/* roulang page: index */
:root {
            --primary: #6C2BD9;
            --primary-dark: #5521B0;
            --primary-light: #8B5CF6;
            --accent: #FF6B35;
            --accent-hover: #E85A2A;
            --teal: #00C9A7;
            --teal-dark: #00A88C;
            --bg: #F8F7FC;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1333;
            --bg-dark-secondary: #241D42;
            --text: #2D2640;
            --text-secondary: #5E5580;
            --text-light: #8B83A0;
            --text-white: #F5F3FA;
            --border: #E8E4F0;
            --border-light: #F2EFF8;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-2xl: 32px;
            --shadow-sm: 0 1px 3px rgba(26, 19, 51, 0.06);
            --shadow: 0 4px 16px rgba(26, 19, 51, 0.08);
            --shadow-md: 0 8px 32px rgba(26, 19, 51, 0.12);
            --shadow-lg: 0 16px 48px rgba(26, 19, 51, 0.16);
            --shadow-glow: 0 0 40px rgba(108, 43, 217, 0.25);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-xs: 0.78rem;
            --font-sm: 0.875rem;
            --font-base: 1rem;
            --font-md: 1.1rem;
            --font-lg: 1.25rem;
            --font-xl: 1.5rem;
            --font-2xl: 2rem;
            --font-3xl: 2.75rem;
            --font-4xl: 3.5rem;
            --max-width: 1240px;
            --nav-height: 68px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            letter-spacing: 0.01em;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: all var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: var(--font-xl);
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 24px;
            font-size: var(--font-sm);
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-list a:hover {
            color: var(--primary);
            background: rgba(108, 43, 217, 0.06);
        }

        .nav-list a.active {
            color: var(--primary);
            background: rgba(108, 43, 217, 0.1);
            font-weight: 600;
        }

        .nav-cta {
            background: var(--primary) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 600 !important;
            transition: all var(--transition) !important;
        }

        .nav-cta:hover {
            background: var(--primary-dark) !important;
            box-shadow: 0 4px 16px rgba(108, 43, 217, 0.35) !important;
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 8px;
            border-radius: var(--radius-sm);
        }

        .mobile-toggle:hover {
            background: var(--border-light);
        }

        /* Mobile Nav */
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            z-index: 999;
            flex-direction: column;
            padding: 20px 24px;
            gap: 6px;
            overflow-y: auto;
        }

        .mobile-nav.active {
            display: flex;
        }

        .mobile-nav a {
            display: block;
            padding: 14px 18px;
            border-radius: var(--radius);
            font-size: var(--font-md);
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition-fast);
        }

        .mobile-nav a:hover,
        .mobile-nav a.active {
            background: rgba(108, 43, 217, 0.08);
            color: var(--primary);
        }

        .mobile-nav .nav-cta {
            text-align: center;
            margin-top: 8px;
            background: var(--primary) !important;
            color: #fff !important;
        }

        /* Hero Section - 产品截图舞台居中 */
        .hero-section {
            position: relative;
            background: linear-gradient(180deg, #F8F7FC 0%, #EDE8F8 40%, #F8F7FC 100%);
            padding: 60px 0 80px;
            overflow: hidden;
            min-height: 600px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -200px;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(108, 43, 217, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            position: relative;
            display: grid;
            grid-template-columns: 1fr 1.6fr 1fr;
            gap: 40px;
            align-items: center;
            z-index: 1;
        }

        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-value-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 16px;
            background: rgba(255, 255, 255, 0.75);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: default;
        }

        .hero-value-item:hover {
            background: #fff;
            box-shadow: var(--shadow);
            border-color: transparent;
            transform: translateX(4px);
        }

        .hero-value-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .hero-value-text strong {
            display: block;
            font-size: var(--font-sm);
            color: var(--text);
            margin-bottom: 2px;
        }

        .hero-value-text span {
            font-size: var(--font-xs);
            color: var(--text-light);
        }

        .hero-center {
            position: relative;
            text-align: center;
        }

        .hero-stage {
            position: relative;
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
            overflow: hidden;
            border: 2px solid rgba(108, 43, 217, 0.12);
            aspect-ratio: 16/12;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-stage img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-xl);
        }

        .hero-stage-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent);
            color: #fff;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: var(--font-xs);
            font-weight: 700;
            letter-spacing: 0.04em;
            animation: pulse-badge 2.5s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.5);
            }
            50% {
                box-shadow: 0 0 0 16px rgba(255, 107, 53, 0);
            }
        }

        .hero-title-group {
            margin-top: 24px;
        }

        .hero-title-group h1 {
            font-size: var(--font-3xl);
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.03em;
            line-height: 1.25;
            margin-bottom: 8px;
        }

        .hero-title-group h1 span {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: var(--font-md);
            color: var(--text-secondary);
            max-width: 500px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 20px;
            align-items: flex-start;
        }

        .hero-download-group {
            display: flex;
            flex-direction: column;
            gap: 10px;
            width: 100%;
        }

        .btn-hero-download {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 22px;
            border-radius: 28px;
            font-weight: 600;
            font-size: var(--font-sm);
            transition: all var(--transition);
            width: 100%;
            justify-content: center;
            cursor: pointer;
        }

        .btn-hero-download.primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 24px rgba(108, 43, 217, 0.3);
        }

        .btn-hero-download.primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(108, 43, 217, 0.4);
        }

        .btn-hero-download.secondary {
            background: #fff;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-hero-download.secondary:hover {
            background: rgba(108, 43, 217, 0.04);
            border-color: var(--primary-dark);
        }

        .hero-stats-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .hero-stat {
            text-align: center;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.7);
            border-radius: var(--radius);
            min-width: 80px;
        }

        .hero-stat-num {
            font-size: var(--font-xl);
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
        }

        .hero-stat-label {
            font-size: var(--font-xs);
            color: var(--text-light);
            margin-top: 2px;
        }

        /* Section Common */
        .section {
            padding: 70px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(108, 43, 217, 0.08);
            color: var(--primary);
            border-radius: 20px;
            font-size: var(--font-xs);
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: var(--font-2xl);
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.02em;
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: var(--font-md);
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* 竖屏种草区 */
        .feed-section {
            background: #fff;
            padding: 70px 0;
        }

        .feed-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .feed-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
            aspect-ratio: 9/16;
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .feed-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .feed-card-img {
            flex: 1;
            overflow: hidden;
            position: relative;
        }

        .feed-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .feed-card:hover .feed-card-img img {
            transform: scale(1.06);
        }

        .feed-card-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px 14px;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
            color: #fff;
        }

        .feed-card-overlay .feed-title {
            font-weight: 600;
            font-size: var(--font-sm);
            margin-bottom: 4px;
            line-height: 1.3;
        }

        .feed-card-overlay .feed-meta {
            font-size: var(--font-xs);
            opacity: 0.85;
        }

        .feed-card-info {
            padding: 10px 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-xs);
            color: var(--text-secondary);
        }

        .feed-card-info .feed-avatar {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            object-fit: cover;
        }

        /* 爆款清单 */
        .hotlist-section {
            background: var(--bg);
            padding: 70px 0;
        }

        .hotlist-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .hotlist-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 20px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
            position: relative;
        }

        .hotlist-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-3px);
        }

        .hotlist-rank {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: var(--font-lg);
            flex-shrink: 0;
            color: #fff;
        }

        .hotlist-rank.r1 {
            background: linear-gradient(135deg, #FF6B35, #FF8F5E);
        }
        .hotlist-rank.r2 {
            background: linear-gradient(135deg, #8B5CF6, #A78BFA);
        }
        .hotlist-rank.r3 {
            background: linear-gradient(135deg, #00C9A7, #34D399);
        }
        .hotlist-rank.rn {
            background: #D1C9E0;
            color: #fff;
        }

        .hotlist-info h4 {
            font-size: var(--font-base);
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.3;
        }

        .hotlist-info p {
            font-size: var(--font-xs);
            color: var(--text-light);
            line-height: 1.5;
            margin-bottom: 6px;
        }

        .hotlist-meta {
            display: flex;
            gap: 12px;
            font-size: var(--font-xs);
            color: var(--text-secondary);
            align-items: center;
        }

        .hotlist-badge {
            background: var(--accent);
            color: #fff;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 700;
        }

        /* 评价墙 */
        .reviews-section {
            background: #fff;
            padding: 70px 0;
        }

        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            grid-auto-rows: auto;
        }

        .review-card {
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 20px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .review-card:hover {
            box-shadow: var(--shadow);
            border-color: transparent;
            transform: translateY(-2px);
        }

        .review-card.span-2 {
            grid-column: span 2;
        }

        .review-stars {
            color: #F59E0B;
            font-size: 0.85rem;
            margin-bottom: 8px;
            letter-spacing: 1px;
        }

        .review-text {
            font-size: var(--font-sm);
            color: var(--text);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .review-author img {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            object-fit: cover;
        }

        .review-author-name {
            font-weight: 600;
            font-size: var(--font-xs);
            color: var(--text);
        }

        .review-author-date {
            font-size: 0.7rem;
            color: var(--text-light);
        }

        /* 资讯区 */
        .news-section {
            background: var(--bg);
            padding: 70px 0;
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 32px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            background: #fff;
            border-radius: var(--radius);
            padding: 18px 20px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
        }

        .news-item:hover {
            box-shadow: var(--shadow);
            border-color: transparent;
            transform: translateX(3px);
        }

        .news-date {
            font-size: var(--font-xs);
            color: var(--text-light);
            margin-bottom: 4px;
        }

        .news-item h4 {
            font-size: var(--font-base);
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-item p {
            font-size: var(--font-xs);
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 8px;
        }

        .news-readmore {
            font-size: var(--font-xs);
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }

        .news-readmore:hover {
            gap: 8px;
            color: var(--primary-dark);
        }

        .news-sidebar {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-light);
            height: fit-content;
            position: sticky;
            top: 90px;
        }

        .news-sidebar h4 {
            font-size: var(--font-lg);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
        }

        .news-sidebar-item {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .news-sidebar-item:last-child {
            border-bottom: none;
        }

        .news-sidebar-item:hover {
            color: var(--primary);
        }

        .news-sidebar-item .ns-num {
            font-weight: 800;
            font-size: var(--font-lg);
            color: var(--primary-light);
            flex-shrink: 0;
            width: 32px;
        }

        .news-sidebar-item span {
            font-size: var(--font-sm);
            font-weight: 500;
            line-height: 1.4;
        }

        /* 加购引导 */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #2D1F5E 50%, var(--bg-dark) 100%);
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(108, 43, 217, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            color: #fff;
        }

        .cta-content h2 {
            font-size: var(--font-2xl);
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .cta-content p {
            font-size: var(--font-md);
            opacity: 0.85;
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-cta {
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: var(--font-base);
            transition: all var(--transition);
            cursor: pointer;
        }

        .btn-cta.primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 24px rgba(255, 107, 53, 0.4);
        }

        .btn-cta.primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(255, 107, 53, 0.55);
        }

        .btn-cta.outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
        }

        .btn-cta.outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        /* 品牌故事 */
        .brand-story-section {
            background: #fff;
            padding: 70px 0;
        }

        .brand-story-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .brand-story-img {
            border-radius: var(--radius-xl);
            overflow: hidden;
            aspect-ratio: 4/3;
        }

        .brand-story-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .brand-story-text h3 {
            font-size: var(--font-2xl);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .brand-story-text p {
            font-size: var(--font-base);
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .brand-story-text .highlight {
            color: var(--primary);
            font-weight: 600;
        }

        /* 社会认同 */
        .social-proof-section {
            background: var(--bg);
            padding: 70px 0;
        }

        .social-proof-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .social-proof-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .social-proof-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .social-proof-num {
            font-size: var(--font-3xl);
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .social-proof-label {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            font-weight: 500;
        }

        .social-proof-stars {
            color: #F59E0B;
            font-size: 1.1rem;
            margin-bottom: 6px;
            letter-spacing: 2px;
        }

        /* 直播预告 */
        .live-preview-section {
            background: #fff;
            padding: 70px 0;
        }

        .live-preview-card {
            background: linear-gradient(135deg, #1A1333 0%, #2D1F5E 100%);
            border-radius: var(--radius-xl);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            color: #fff;
            position: relative;
        }

        .live-preview-img {
            aspect-ratio: 16/10;
            overflow: hidden;
        }

        .live-preview-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .live-preview-info {
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .live-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #EF4444;
            color: #fff;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: var(--font-xs);
            font-weight: 700;
            width: fit-content;
            margin-bottom: 16px;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        .live-preview-info h3 {
            font-size: var(--font-xl);
            font-weight: 700;
            margin-bottom: 8px;
        }

        .live-preview-info p {
            opacity: 0.85;
            font-size: var(--font-sm);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .live-countdown {
            display: flex;
            gap: 12px;
            margin-bottom: 20px;
        }

        .countdown-block {
            background: rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            text-align: center;
            min-width: 56px;
        }

        .countdown-block .cd-num {
            font-size: var(--font-xl);
            font-weight: 800;
            line-height: 1;
        }

        .countdown-block .cd-label {
            font-size: 0.65rem;
            opacity: 0.7;
            margin-top: 2px;
        }

        .btn-subscribe-live {
            padding: 12px 28px;
            background: var(--accent);
            color: #fff;
            border-radius: 24px;
            font-weight: 700;
            font-size: var(--font-sm);
            cursor: pointer;
            transition: all var(--transition);
            width: fit-content;
        }

        .btn-subscribe-live:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.5);
            transform: translateY(-2px);
        }

        /* 限时入口 */
        .limited-offer-section {
            background: linear-gradient(135deg, #FFF7F0 0%, #FFEDE0 100%);
            padding: 50px 0;
            border-top: 3px solid var(--accent);
            border-bottom: 3px solid var(--accent);
        }

        .limited-offer-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .limited-offer-text h3 {
            font-size: var(--font-xl);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }

        .limited-offer-text p {
            color: var(--text-secondary);
            font-size: var(--font-sm);
        }

        .limited-timer {
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .timer-block {
            background: #fff;
            border-radius: var(--radius-sm);
            padding: 8px 14px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            min-width: 48px;
        }

        .timer-block .t-num {
            font-size: var(--font-lg);
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }

        .timer-block .t-label {
            font-size: 0.6rem;
            color: var(--text-light);
            margin-top: 1px;
        }

        .btn-limited {
            padding: 14px 30px;
            background: var(--accent);
            color: #fff;
            border-radius: 28px;
            font-weight: 700;
            font-size: var(--font-base);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-limited:hover {
            background: var(--accent-hover);
            box-shadow: 0 8px 28px rgba(255, 107, 53, 0.45);
            transform: translateY(-2px);
        }

        /* 功能亮点 */
        .features-section {
            background: #fff;
            padding: 70px 0;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            padding: 28px 24px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-align: center;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-4px);
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            background: linear-gradient(135deg, rgba(108, 43, 217, 0.1), rgba(139, 92, 246, 0.15));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.4rem;
            color: var(--primary);
        }

        .feature-card h4 {
            font-size: var(--font-md);
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-section {
            background: var(--bg);
            padding: 70px 0;
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 18px 20px;
            font-weight: 600;
            font-size: var(--font-base);
            color: var(--text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }

        .faq-arrow {
            transition: transform var(--transition);
            flex-shrink: 0;
            color: var(--primary);
            font-size: 0.8rem;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition);
            padding: 0 20px;
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* 安全体系 */
        .security-section {
            background: #fff;
            padding: 70px 0;
        }

        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .security-card {
            padding: 24px 16px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .security-card:hover {
            box-shadow: var(--shadow);
            border-color: transparent;
        }

        .security-icon {
            font-size: 2rem;
            color: var(--teal);
            margin-bottom: 12px;
        }

        .security-card h4 {
            font-weight: 600;
            font-size: var(--font-sm);
            color: var(--text);
            margin-bottom: 6px;
        }

        .security-card p {
            font-size: var(--font-xs);
            color: var(--text-light);
            line-height: 1.5;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: 50px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand .logo-link {
            color: #fff;
            font-size: var(--font-lg);
            margin-bottom: 10px;
            display: inline-block;
        }

        .footer-brand p {
            font-size: var(--font-xs);
            opacity: 0.7;
            line-height: 1.6;
            margin-top: 8px;
        }

        .footer-col h4 {
            font-size: var(--font-sm);
            font-weight: 700;
            margin-bottom: 14px;
            color: #fff;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: var(--font-xs);
            opacity: 0.7;
            padding: 5px 0;
            transition: all var(--transition-fast);
        }

        .footer-col a:hover {
            opacity: 1;
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: var(--font-xs);
            opacity: 0.7;
        }

        .footer-bottom a {
            color: var(--text-white);
            opacity: 0.8;
            transition: opacity var(--transition-fast);
        }

        .footer-bottom a:hover {
            opacity: 1;
        }

        .footer-links-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .hero-left {
                order: 2;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 8px;
            }
            .hero-center {
                order: 1;
                grid-column: 1 / -1;
            }
            .hero-right {
                order: 3;
                grid-column: 1 / -1;
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
                gap: 16px;
            }
            .hero-download-group {
                flex-direction: row;
                width: auto;
            }
            .btn-hero-download {
                width: auto;
            }
            .feed-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hotlist-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .review-card.span-2 {
                grid-column: span 1;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .brand-story-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .social-proof-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .live-preview-card {
                grid-template-columns: 1fr;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            :root {
                --font-3xl: 2.2rem;
                --font-2xl: 1.7rem;
            }
        }

        @media (max-width: 768px) {
            .nav-list {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hero-left {
                flex-direction: column;
                gap: 10px;
            }
            .hero-right {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-download-group {
                flex-direction: column;
            }
            .btn-hero-download {
                width: 100%;
            }
            .hero-stats-row {
                justify-content: center;
            }
            .feed-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .hotlist-grid {
                grid-template-columns: 1fr;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .review-card.span-2 {
                grid-column: span 1;
            }
            .brand-story-inner {
                grid-template-columns: 1fr;
            }
            .social-proof-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .limited-offer-inner {
                flex-direction: column;
                text-align: center;
            }
            .section {
                padding: 44px 0;
            }
            :root {
                --font-3xl: 1.8rem;
                --font-2xl: 1.5rem;
                --font-xl: 1.2rem;
                --nav-height: 56px;
            }
            .hero-section {
                padding: 36px 0 50px;
                min-height: auto;
            }
            .hero-title-group h1 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .feed-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .social-proof-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .hotlist-grid {
                grid-template-columns: 1fr;
            }
            .container {
                padding: 0 14px;
            }
            .header-inner {
                padding: 0 14px;
            }
            .logo-link {
                font-size: 1rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .hero-title-group h1 {
                font-size: 1.4rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #6C2BD9;
            --primary-dark: #5521B0;
            --primary-light: #8B5CF6;
            --accent: #FF6B35;
            --accent-hover: #E85A2A;
            --teal: #00C9A7;
            --teal-dark: #00A88C;
            --bg: #F8F7FC;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1333;
            --bg-dark-secondary: #241D42;
            --text: #2D2640;
            --text-secondary: #5E5580;
            --text-light: #8B83A0;
            --text-white: #F5F3FA;
            --border: #E8E4F0;
            --border-light: #F2EFF8;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-2xl: 32px;
            --shadow-sm: 0 1px 3px rgba(26, 19, 51, 0.06);
            --shadow: 0 4px 16px rgba(26, 19, 51, 0.08);
            --shadow-md: 0 8px 32px rgba(26, 19, 51, 0.12);
            --shadow-lg: 0 16px 48px rgba(26, 19, 51, 0.16);
            --shadow-glow: 0 0 40px rgba(108, 43, 217, 0.25);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-xs: 0.78rem;
            --font-sm: 0.875rem;
            --font-base: 1rem;
            --font-md: 1.1rem;
            --font-lg: 1.25rem;
            --font-xl: 1.5rem;
            --font-2xl: 2rem;
            --font-3xl: 2.75rem;
            --font-4xl: 3.5rem;
            --max-width: 1240px;
            --nav-height: 68px;
        }

        @media (max-width: 1024px) {
            :root {
                --font-3xl: 2.2rem;
                --font-2xl: 1.7rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --font-3xl: 1.8rem;
                --font-2xl: 1.5rem;
                --font-xl: 1.2rem;
                --nav-height: 56px;
            }
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            letter-spacing: 0.01em;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: all var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: var(--font-xl);
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 24px;
            font-size: var(--font-sm);
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-list a:hover {
            color: var(--primary);
            background: rgba(108, 43, 217, 0.06);
        }

        .nav-list a.active {
            color: var(--primary);
            background: rgba(108, 43, 217, 0.1);
            font-weight: 600;
        }

        .nav-cta {
            background: var(--primary) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 600 !important;
            transition: all var(--transition) !important;
        }

        .nav-cta:hover {
            background: var(--primary-dark) !important;
            color: #fff !important;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: rgba(108, 43, 217, 0.06);
            color: var(--primary);
        }

        @media (max-width: 1024px) {
            .nav-list {
                gap: 2px;
            }
            .nav-list a {
                padding: 7px 12px;
                font-size: var(--font-xs);
            }
            .nav-cta {
                padding: 7px 16px !important;
                font-size: var(--font-xs);
            }
        }

        @media (max-width: 820px) {
            .mobile-menu-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                z-index: 999;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius);
                font-size: var(--font-base);
                justify-content: flex-start;
            }
            .nav-cta {
                justify-content: center !important;
                margin-top: 8px;
            }
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-sm);
            color: var(--text-light);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb .separator {
            color: var(--border);
            font-size: var(--font-xs);
        }

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* Hero - Icon Matrix + Status Bar */
        .hero-live {
            background: linear-gradient(170deg, #1A1333 0%, #241D42 30%, #1A1333 60%, #0D0A1A 100%);
            padding: 60px 0 80px;
            position: relative;
            overflow: hidden;
        }

        .hero-live::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(108, 43, 217, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-live::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -60px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-live-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .hero-live-text h1 {
            font-size: var(--font-4xl);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }

        .hero-live-text h1 .highlight {
            background: linear-gradient(135deg, var(--accent), #FF9A6C);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-live-text .hero-subtitle {
            font-size: var(--font-lg);
            color: rgba(245, 243, 250, 0.8);
            margin-bottom: 28px;
            line-height: 1.6;
            max-width: 480px;
        }

        .hero-live-text .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: var(--font-base);
            letter-spacing: 0.01em;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 20px rgba(108, 43, 217, 0.35);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 8px 32px rgba(108, 43, 217, 0.5);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.35);
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .hero-icon-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-xl);
            padding: 20px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
        }

        .icon-matrix-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 16px 10px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.03);
            transition: all var(--transition);
            text-align: center;
            border: 1px solid transparent;
        }

        .icon-matrix-item:hover {
            background: rgba(108, 43, 217, 0.15);
            border-color: rgba(108, 43, 217, 0.4);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(108, 43, 217, 0.2);
        }

        .icon-matrix-item .matrix-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
        }

        .matrix-icon.music {
            background: linear-gradient(135deg, #FF6B6B, #FF3D3D);
        }
        .matrix-icon.dance {
            background: linear-gradient(135deg, #FF6B35, #FF8F5E);
        }
        .matrix-icon.chat {
            background: linear-gradient(135deg, #6C2BD9, #8B5CF6);
        }
        .matrix-icon.game {
            background: linear-gradient(135deg, #00C9A7, #00E0BA);
        }
        .matrix-icon.outdoor {
            background: linear-gradient(135deg, #3B82F6, #60A5FA);
        }
        .matrix-icon.more {
            background: linear-gradient(135deg, #8B5CF6, #A78BFA);
        }

        .icon-matrix-item span {
            font-size: var(--font-xs);
            color: rgba(245, 243, 250, 0.85);
            font-weight: 500;
            white-space: nowrap;
        }

        .hero-status-bar {
            display: flex;
            gap: 20px;
            margin-top: 18px;
            padding: 14px 18px;
            background: rgba(0, 201, 167, 0.1);
            border-radius: var(--radius);
            border: 1px solid rgba(0, 201, 167, 0.25);
            flex-wrap: wrap;
            justify-content: space-around;
        }

        .status-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-size: var(--font-sm);
        }

        .status-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--teal);
            animation: pulse-dot 2s infinite;
            flex-shrink: 0;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(0, 201, 167, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(0, 201, 167, 0);
            }
        }

        .status-item strong {
            color: var(--teal);
            font-weight: 700;
            font-size: var(--font-md);
        }

        @media (max-width: 768px) {
            .hero-live-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-live-text h1 {
                font-size: var(--font-3xl);
            }
            .hero-icon-matrix {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
                padding: 12px;
            }
            .icon-matrix-item {
                padding: 12px 6px;
            }
            .icon-matrix-item .matrix-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }
            .hero-status-bar {
                gap: 10px;
                padding: 10px 14px;
            }
            .hero-live {
                padding: 40px 0 50px;
            }
        }

        /* Section Common */
        .section {
            padding: 64px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-header .section-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(108, 43, 217, 0.08);
            color: var(--primary);
            border-radius: 20px;
            font-size: var(--font-xs);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: var(--font-3xl);
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.02em;
            margin-bottom: 8px;
        }

        .section-header .section-desc {
            font-size: var(--font-md);
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: var(--font-2xl);
            }
        }

        /* Value Proposition */
        .value-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .value-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .value-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(108, 43, 217, 0.2);
        }

        .value-card .value-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: #fff;
            flex-shrink: 0;
        }

        .value-icon.v1 {
            background: linear-gradient(135deg, #6C2BD9, #8B5CF6);
        }
        .value-icon.v2 {
            background: linear-gradient(135deg, #FF6B35, #FF8F5E);
        }
        .value-icon.v3 {
            background: linear-gradient(135deg, #00C9A7, #00E0BA);
        }
        .value-icon.v4 {
            background: linear-gradient(135deg, #3B82F6, #60A5FA);
        }

        .value-card h3 {
            font-size: var(--font-lg);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .value-card p {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .value-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .value-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Feature Group */
        .feature-blocks {
            display: flex;
            flex-direction: column;
            gap: 48px;
        }

        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .feature-row.reverse {
            direction: rtl;
        }

        .feature-row.reverse .feature-content {
            direction: ltr;
        }

        .feature-image-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 16/10;
            position: relative;
        }

        .feature-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .feature-image-wrap:hover img {
            transform: scale(1.04);
        }

        .feature-content h3 {
            font-size: var(--font-2xl);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .feature-content p {
            font-size: var(--font-md);
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .feature-tag {
            display: inline-block;
            padding: 6px 14px;
            background: rgba(108, 43, 217, 0.06);
            color: var(--primary);
            border-radius: 20px;
            font-size: var(--font-xs);
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .feature-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .feature-row.reverse {
                direction: ltr;
            }
            .feature-content h3 {
                font-size: var(--font-xl);
            }
        }

        /* Scenario Cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .scenario-card .scenario-img {
            height: 180px;
            overflow: hidden;
        }

        .scenario-card .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .scenario-card:hover .scenario-img img {
            transform: scale(1.05);
        }

        .scenario-card .scenario-body {
            padding: 20px;
        }

        .scenario-card .scenario-body h4 {
            font-size: var(--font-lg);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .scenario-card .scenario-body p {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .scenario-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Stats */
        .stats-section {
            background: var(--bg-dark);
            padding: 56px 0;
            color: #fff;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stat-item .stat-number {
            font-size: var(--font-3xl);
            font-weight: 800;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #fff, rgba(255, 255, 255, 0.8));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-item .stat-label {
            font-size: var(--font-sm);
            color: rgba(245, 243, 250, 0.7);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .stat-item .stat-number {
                font-size: var(--font-2xl);
            }
        }

        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            align-items: stretch;
        }

        .pricing-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .pricing-card.featured {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            position: relative;
            background: linear-gradient(180deg, #fff 0%, #F8F7FC 100%);
        }

        .pricing-card.featured .pricing-badge {
            display: inline-block;
            padding: 5px 14px;
            background: var(--primary);
            color: #fff;
            border-radius: 20px;
            font-size: var(--font-xs);
            font-weight: 600;
            margin-bottom: 12px;
        }

        .pricing-card h4 {
            font-size: var(--font-xl);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .pricing-card .price {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin: 12px 0;
        }

        .pricing-card .price span {
            font-size: var(--font-base);
            font-weight: 400;
            color: var(--text-light);
        }

        .pricing-card ul {
            list-style: none;
            text-align: left;
            margin: 16px 0 24px;
            flex: 1;
        }

        .pricing-card ul li {
            padding: 7px 0;
            font-size: var(--font-sm);
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .pricing-card ul li i {
            color: var(--teal);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .pricing-card .btn {
            width: 100%;
            justify-content: center;
            margin-top: auto;
        }

        @media (max-width: 768px) {
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(108, 43, 217, 0.2);
        }

        .faq-question {
            width: 100%;
            background: none;
            padding: 18px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: var(--font-md);
            font-weight: 600;
            color: var(--text);
            text-align: left;
            gap: 12px;
        }

        .faq-question i {
            color: var(--primary);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            padding: 60px 0;
            text-align: center;
            color: #fff;
        }

        .cta-section h2 {
            font-size: var(--font-3xl);
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .cta-section p {
            font-size: var(--font-md);
            opacity: 0.9;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn {
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            font-size: var(--font-md);
            padding: 14px 36px;
            border-radius: 30px;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
        }

        .cta-section .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .logo-link {
            font-size: var(--font-xl);
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: inline-flex;
        }

        .footer-brand p {
            font-size: var(--font-sm);
            color: rgba(245, 243, 250, 0.7);
            line-height: 1.6;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: var(--font-sm);
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        .footer-col a {
            display: block;
            font-size: var(--font-sm);
            color: rgba(245, 243, 250, 0.7);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--primary-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: var(--font-xs);
            color: rgba(245, 243, 250, 0.5);
            align-items: center;
            justify-content: center;
            text-align: center;
        }

        .footer-links-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .footer-links-row a {
            color: rgba(245, 243, 250, 0.5);
            font-size: var(--font-xs);
            transition: color var(--transition-fast);
        }

        .footer-links-row a:hover {
            color: var(--primary-light);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
        }

        /* Utility */
        .text-center {
            text-align: center;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }

/* roulang page: category3 */
:root {
            --primary: #6C2BD9;
            --primary-dark: #5521B0;
            --primary-light: #8B5CF6;
            --accent: #FF6B35;
            --accent-hover: #E85A2A;
            --teal: #00C9A7;
            --teal-dark: #00A88C;
            --bg: #F8F7FC;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1333;
            --bg-dark-secondary: #241D42;
            --text: #2D2640;
            --text-secondary: #5E5580;
            --text-light: #8B83A0;
            --text-white: #F5F3FA;
            --border: #E8E4F0;
            --border-light: #F2EFF8;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-2xl: 32px;
            --shadow-sm: 0 1px 3px rgba(26, 19, 51, 0.06);
            --shadow: 0 4px 16px rgba(26, 19, 51, 0.08);
            --shadow-md: 0 8px 32px rgba(26, 19, 51, 0.12);
            --shadow-lg: 0 16px 48px rgba(26, 19, 51, 0.16);
            --shadow-glow: 0 0 40px rgba(108, 43, 217, 0.25);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-xs: 0.78rem;
            --font-sm: 0.875rem;
            --font-base: 1rem;
            --font-md: 1.1rem;
            --font-lg: 1.25rem;
            --font-xl: 1.5rem;
            --font-2xl: 2rem;
            --font-3xl: 2.75rem;
            --font-4xl: 3.5rem;
            --max-width: 1240px;
            --nav-height: 68px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            letter-spacing: 0.01em;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: all var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: var(--font-xl);
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 24px;
            font-size: var(--font-sm);
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-list a:hover {
            color: var(--primary);
            background: rgba(108, 43, 217, 0.06);
        }
        .nav-list a.active {
            color: var(--primary);
            background: rgba(108, 43, 217, 0.1);
            font-weight: 600;
        }
        .nav-cta {
            background: var(--primary) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 600 !important;
            transition: all var(--transition) !important;
        }
        .nav-cta:hover {
            background: var(--primary-dark) !important;
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        .nav-toggle:hover {
            background: rgba(108, 43, 217, 0.06);
            color: var(--primary);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-sm);
            color: var(--text-light);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .separator {
            color: var(--border);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* Hero - Crowdfunding */
        .hero-crowdfund {
            position: relative;
            background: linear-gradient(160deg, #1A1333 0%, #241D42 30%, #1A1333 60%, #0D0A1A 100%);
            padding: 80px 0 100px;
            overflow: hidden;
            min-height: 620px;
            display: flex;
            align-items: center;
        }
        .hero-crowdfund::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -150px;
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(108, 43, 217, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-crowdfund::after {
            content: '';
            position: absolute;
            bottom: -180px;
            left: -120px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.10) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-crowdfund .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 107, 53, 0.15);
            color: var(--accent);
            font-size: var(--font-sm);
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 24px;
            width: fit-content;
            border: 1px solid rgba(255, 107, 53, 0.25);
        }
        .hero-badge .pulse-dot {
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse 1.8s ease-in-out infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.6);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(255, 107, 53, 0);
            }
        }
        .hero-crowdfund h1 {
            font-size: var(--font-4xl);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin: 0;
        }
        .hero-crowdfund h1 .highlight {
            background: linear-gradient(135deg, var(--primary-light), var(--teal));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-subtitle {
            font-size: var(--font-lg);
            color: rgba(245, 243, 250, 0.8);
            line-height: 1.6;
            max-width: 480px;
        }
        .progress-ring-wrapper {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .progress-ring {
            position: relative;
            width: 140px;
            height: 140px;
            flex-shrink: 0;
        }
        .progress-ring svg {
            transform: rotate(-90deg);
            width: 140px;
            height: 140px;
        }
        .progress-ring .bg-circle {
            fill: none;
            stroke: rgba(255, 255, 255, 0.1);
            stroke-width: 10;
        }
        .progress-ring .fg-circle {
            fill: none;
            stroke: url(#progressGradient);
            stroke-width: 10;
            stroke-linecap: round;
            stroke-dasharray: 408.41;
            stroke-dashoffset: 89.85;
            transition: stroke-dashoffset 1.2s ease-out;
        }
        .progress-ring .ring-center {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
        }
        .ring-center .ring-percent {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
        }
        .ring-center .ring-label {
            font-size: var(--font-xs);
            color: rgba(245, 243, 250, 0.7);
            margin-top: 4px;
        }
        .progress-info {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .progress-info .info-row {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(245, 243, 250, 0.75);
            font-size: var(--font-sm);
        }
        .progress-info .info-row strong {
            color: #fff;
            font-size: var(--font-md);
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: var(--font-md);
            padding: 14px 32px;
            border-radius: 28px;
            transition: all var(--transition);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .btn-primary-lg:hover {
            background: var(--accent-hover);
            box-shadow: 0 8px 28px rgba(255, 107, 53, 0.35);
            transform: translateY(-2px);
        }
        .btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: var(--font-md);
            padding: 14px 32px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-outline-lg:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }
        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .tier-preview-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition);
            cursor: pointer;
            backdrop-filter: blur(4px);
        }
        .tier-preview-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateX(4px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }
        .tier-preview-card.featured {
            background: rgba(108, 43, 217, 0.2);
            border-color: rgba(139, 92, 246, 0.5);
            position: relative;
        }
        .tier-preview-card.featured::before {
            content: '最受欢迎';
            position: absolute;
            top: -10px;
            right: 20px;
            background: var(--accent);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 12px;
            letter-spacing: 0.04em;
        }
        .tier-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
        }
        .tier-icon.bronze {
            background: rgba(205, 127, 50, 0.25);
            color: #CD7F32;
        }
        .tier-icon.silver {
            background: rgba(192, 192, 192, 0.25);
            color: #C0C0C0;
        }
        .tier-icon.gold {
            background: rgba(255, 215, 0, 0.25);
            color: #FFD700;
        }
        .tier-icon.diamond {
            background: rgba(139, 92, 246, 0.3);
            color: #B794F4;
        }
        .tier-info {
            flex: 1;
            min-width: 0;
        }
        .tier-info .tier-name {
            font-weight: 700;
            color: #fff;
            font-size: var(--font-base);
        }
        .tier-info .tier-desc {
            font-size: var(--font-xs);
            color: rgba(245, 243, 250, 0.6);
            margin-top: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .tier-price {
            font-weight: 800;
            color: #fff;
            font-size: var(--font-lg);
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* Section Common */
        .section {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-header .section-tag {
            display: inline-block;
            background: rgba(108, 43, 217, 0.08);
            color: var(--primary);
            font-size: var(--font-sm);
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .section-header h2 {
            font-size: var(--font-3xl);
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
            margin: 0 0 12px;
        }
        .section-header .section-subtitle {
            font-size: var(--font-md);
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-dark .section-header h2 {
            color: #fff;
        }
        .section-dark .section-header .section-subtitle {
            color: rgba(245, 243, 250, 0.7);
        }
        .section-dark .section-header .section-tag {
            background: rgba(255, 255, 255, 0.08);
            color: var(--primary-light);
        }

        /* Value Proposition */
        .value-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .value-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .value-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .value-card .value-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.5rem;
            background: rgba(108, 43, 217, 0.08);
            color: var(--primary);
        }
        .value-card h3 {
            font-size: var(--font-lg);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .value-card p {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Service Types */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .service-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .service-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .service-card .card-img-wrap {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .service-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .service-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .service-card .card-body {
            padding: 24px 20px;
        }
        .service-card .card-body h3 {
            font-size: var(--font-lg);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .service-card .card-body p {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .service-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 14px;
        }
        .service-card .card-tags span {
            font-size: var(--font-xs);
            background: rgba(108, 43, 217, 0.06);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 14px;
            font-weight: 500;
        }

        /* Scenarios */
        .scenario-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .scenario-item {
            display: flex;
            gap: 18px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition);
        }
        .scenario-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.18);
            transform: translateY(-2px);
        }
        .scenario-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: var(--font-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .scenario-content h3 {
            font-size: var(--font-md);
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .scenario-content p {
            font-size: var(--font-sm);
            color: rgba(245, 243, 250, 0.7);
            line-height: 1.6;
        }

        /* Talent Showcase */
        .talent-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .talent-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            text-align: center;
        }
        .talent-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .talent-card .talent-avatar {
            width: 90px;
            height: 90px;
            border-radius: 50%;
            object-fit: cover;
            margin: 28px auto 14px;
            border: 3px solid var(--border-light);
        }
        .talent-card .talent-name {
            font-weight: 700;
            font-size: var(--font-md);
            color: var(--text);
        }
        .talent-card .talent-role {
            font-size: var(--font-xs);
            color: var(--primary);
            font-weight: 600;
            margin: 4px 0 8px;
        }
        .talent-card .talent-stats {
            display: flex;
            justify-content: center;
            gap: 20px;
            padding: 12px 0 20px;
            font-size: var(--font-xs);
            color: var(--text-secondary);
        }
        .talent-card .talent-stats i {
            color: #FFD700;
            margin-right: 3px;
            font-size: 0.7rem;
        }
        .talent-card .talent-rating {
            font-weight: 700;
            color: var(--text);
        }

        /* Pricing Detail */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .pricing-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 36px 24px;
            border: 2px solid var(--border-light);
            transition: all var(--transition);
            text-align: center;
            box-shadow: var(--shadow-sm);
            position: relative;
        }
        .pricing-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }
        .pricing-card.featured {
            border-color: var(--primary);
            box-shadow: var(--shadow-glow);
            background: linear-gradient(180deg, #fff 0%, #F8F7FC 100%);
        }
        .pricing-card.featured .pricing-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 5px 16px;
            border-radius: 14px;
            white-space: nowrap;
            letter-spacing: 0.03em;
        }
        .pricing-card .pricing-tier {
            font-size: var(--font-lg);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .pricing-card .pricing-amount {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin: 14px 0;
            letter-spacing: -0.02em;
        }
        .pricing-card .pricing-amount span {
            font-size: var(--font-base);
            font-weight: 500;
            color: var(--text-light);
        }
        .pricing-card .pricing-features {
            list-style: none;
            text-align: left;
            margin: 20px 0 28px;
            padding: 0;
        }
        .pricing-card .pricing-features li {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            padding: 7px 0;
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .pricing-card .pricing-features li i {
            color: var(--teal);
            font-size: 0.8rem;
            flex-shrink: 0;
        }
        .pricing-card .btn-select {
            width: 100%;
            padding: 12px;
            border-radius: 24px;
            font-weight: 700;
            font-size: var(--font-base);
            background: var(--primary);
            color: #fff;
            transition: all var(--transition);
            letter-spacing: 0.02em;
        }
        .pricing-card .btn-select:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-glow);
        }
        .pricing-card.featured .btn-select {
            background: var(--accent);
        }
        .pricing-card.featured .btn-select:hover {
            background: var(--accent-hover);
        }

        /* Safety */
        .safety-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .safety-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .safety-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .safety-card .safety-icon {
            font-size: 2.2rem;
            color: var(--teal);
            margin-bottom: 16px;
        }
        .safety-card h3 {
            font-size: var(--font-lg);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .safety-card p {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Reviews */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .review-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .review-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .review-card .review-stars {
            color: #FFB800;
            font-size: 0.9rem;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }
        .review-card .review-text {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }
        .review-card .review-author {
            font-weight: 700;
            font-size: var(--font-sm);
            color: var(--text);
        }
        .review-card .review-date {
            font-size: var(--font-xs);
            color: var(--text-light);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            font-size: var(--font-md);
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-arrow {
            font-size: 0.8rem;
            color: var(--text-light);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 24px;
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(160deg, var(--bg-dark) 0%, #241D42 50%, #1A1333 100%);
            padding: 90px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -150px;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(108, 43, 217, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: var(--font-3xl);
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: var(--font-md);
            color: rgba(245, 243, 250, 0.75);
            max-width: 550px;
            margin: 0 auto 32px;
            line-height: 1.6;
        }
        .cta-section .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: var(--font-lg);
            padding: 16px 40px;
            border-radius: 30px;
            transition: all var(--transition);
            letter-spacing: 0.02em;
            box-shadow: 0 8px 32px rgba(255, 107, 53, 0.3);
        }
        .cta-section .btn-cta-large:hover {
            background: var(--accent-hover);
            transform: translateY(-3px);
            box-shadow: 0 14px 40px rgba(255, 107, 53, 0.45);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: 60px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .logo-link {
            font-size: var(--font-xl);
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: var(--font-sm);
            color: rgba(245, 243, 250, 0.6);
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: var(--font-base);
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-col a {
            display: block;
            font-size: var(--font-sm);
            color: rgba(245, 243, 250, 0.6);
            padding: 6px 0;
            transition: all var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            padding: 24px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: var(--font-xs);
            color: rgba(245, 243, 250, 0.45);
        }
        .footer-bottom span {
            white-space: nowrap;
        }
        .footer-links-row {
            display: flex;
            gap: 16px;
            margin-left: auto;
        }
        .footer-links-row a {
            color: rgba(245, 243, 250, 0.5);
            font-size: var(--font-xs);
            transition: color var(--transition-fast);
        }
        .footer-links-row a:hover {
            color: var(--primary-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --font-4xl: 2.5rem;
                --font-3xl: 2rem;
                --font-2xl: 1.6rem;
            }
            .hero-crowdfund .container {
                grid-template-columns: 1fr;
                gap: 40px;
                text-align: center;
            }
            .hero-left {
                align-items: center;
            }
            .hero-subtitle {
                max-width: 100%;
            }
            .progress-ring-wrapper {
                justify-content: center;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-right {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
            }
            .tier-preview-card {
                flex: 1 1 200px;
                min-width: 180px;
            }
            .value-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .talent-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .safety-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-list {
                gap: 2px;
            }
            .nav-list a {
                padding: 6px 10px;
                font-size: var(--font-xs);
            }
        }
        @media (max-width: 768px) {
            :root {
                --font-4xl: 2rem;
                --font-3xl: 1.7rem;
                --font-2xl: 1.4rem;
                --font-xl: 1.2rem;
                --nav-height: 56px;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                z-index: 999;
                gap: 4px;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius);
                font-size: var(--font-base);
            }
            .nav-toggle {
                display: block;
            }
            .hero-crowdfund {
                padding: 50px 0 60px;
                min-height: auto;
            }
            .hero-right {
                flex-direction: column;
            }
            .tier-preview-card {
                flex: 1 1 auto;
            }
            .value-grid {
                grid-template-columns: 1fr;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .talent-grid {
                grid-template-columns: 1fr 1fr;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
            }
            .safety-grid {
                grid-template-columns: 1fr;
            }
            .review-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-links-row {
                margin-left: 0;
                justify-content: center;
            }
            .section {
                padding: 50px 0;
            }
            .progress-ring-wrapper {
                flex-direction: column;
                gap: 16px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary-lg,
            .btn-outline-lg {
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            :root {
                --font-4xl: 1.7rem;
                --font-3xl: 1.4rem;
                --font-2xl: 1.25rem;
            }
            .talent-grid {
                grid-template-columns: 1fr;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
            }
            .container {
                padding: 0 16px;
            }
            .hero-crowdfund {
                padding: 40px 0 48px;
            }
            .tier-preview-card {
                padding: 14px 16px;
            }
            .tier-preview-card.featured::before {
                right: 8px;
                font-size: 0.65rem;
                padding: 3px 10px;
                top: -8px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #6C2BD9;
            --primary-dark: #5521B0;
            --primary-light: #8B5CF6;
            --accent: #FF6B35;
            --accent-hover: #E85A2A;
            --teal: #00C9A7;
            --teal-dark: #00A88C;
            --bg: #F8F7FC;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1333;
            --bg-dark-secondary: #241D42;
            --text: #2D2640;
            --text-secondary: #5E5580;
            --text-light: #8B83A0;
            --text-white: #F5F3FA;
            --border: #E8E4F0;
            --border-light: #F2EFF8;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-2xl: 32px;
            --shadow-sm: 0 1px 3px rgba(26, 19, 51, 0.06);
            --shadow: 0 4px 16px rgba(26, 19, 51, 0.08);
            --shadow-md: 0 8px 32px rgba(26, 19, 51, 0.12);
            --shadow-lg: 0 16px 48px rgba(26, 19, 51, 0.16);
            --shadow-glow: 0 0 40px rgba(108, 43, 217, 0.25);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-xs: 0.78rem;
            --font-sm: 0.875rem;
            --font-base: 1rem;
            --font-md: 1.1rem;
            --font-lg: 1.25rem;
            --font-xl: 1.5rem;
            --font-2xl: 2rem;
            --font-3xl: 2.75rem;
            --font-4xl: 3.5rem;
            --max-width: 1240px;
            --nav-height: 68px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            letter-spacing: 0.01em;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: all var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: var(--font-xl);
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 24px;
            font-size: var(--font-sm);
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-list a:hover {
            color: var(--primary);
            background: rgba(108, 43, 217, 0.06);
        }

        .nav-list a.active {
            color: var(--primary);
            background: rgba(108, 43, 217, 0.1);
            font-weight: 600;
        }

        .nav-cta {
            background: var(--primary) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 600 !important;
            transition: all var(--transition) !important;
            margin-left: 6px;
        }

        .nav-cta:hover {
            background: var(--primary-dark) !important;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 8px;
            cursor: pointer;
            z-index: 1001;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }

        .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: var(--font-sm);
            color: var(--text-light);
        }

        .breadcrumb-inner a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb-inner a:hover {
            color: var(--primary);
        }

        .breadcrumb-sep {
            color: var(--border);
            font-size: 0.7rem;
        }

        .breadcrumb-current {
            color: var(--primary);
            font-weight: 600;
        }

        /* Hero - Dark Panel */
        .hero-dark {
            position: relative;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 560px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-dark::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 19, 51, 0.92) 0%, rgba(26, 19, 51, 0.78) 40%, rgba(36, 29, 66, 0.7) 100%);
            z-index: 1;
        }

        .hero-dark .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            width: 100%;
        }

        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(108, 43, 217, 0.3);
            border: 1px solid rgba(139, 92, 246, 0.4);
            color: #C4B5FD;
            padding: 6px 16px;
            border-radius: 24px;
            font-size: var(--font-xs);
            font-weight: 600;
            letter-spacing: 0.04em;
            width: fit-content;
            backdrop-filter: blur(4px);
        }

        .hero-badge i {
            color: var(--primary-light);
            font-size: 0.7rem;
        }

        .hero-left h1 {
            font-size: var(--font-4xl);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin: 0;
        }

        .hero-left h1 span {
            background: linear-gradient(135deg, var(--primary-light), #C4B5FD);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-left .hero-desc {
            font-size: var(--font-lg);
            color: #B8B0D0;
            line-height: 1.7;
            max-width: 480px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-size: var(--font-base);
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 0 56px rgba(108, 43, 217, 0.35);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.35);
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(255, 107, 53, 0.4);
        }

        .btn-lg {
            padding: 15px 36px;
            font-size: var(--font-md);
            border-radius: 32px;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: var(--font-sm);
            border-radius: 20px;
        }

        /* Hero Right - Faux Data Panel */
        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .data-panel {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .data-card-mini {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius);
            padding: 18px 16px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition);
        }

        .data-card-mini:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        .data-card-mini .data-num {
            font-size: var(--font-2xl);
            font-weight: 800;
            color: #fff;
            line-height: 1.1;
            letter-spacing: -0.02em;
        }

        .data-card-mini .data-num.accent-num {
            color: var(--accent);
        }

        .data-card-mini .data-num.teal-num {
            color: var(--teal);
        }

        .data-card-mini .data-label {
            font-size: var(--font-xs);
            color: #A89CC0;
            margin-top: 4px;
            font-weight: 500;
        }

        .data-badge-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .data-badge-pill {
            background: rgba(0, 201, 167, 0.15);
            border: 1px solid rgba(0, 201, 167, 0.3);
            color: var(--teal);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: var(--font-xs);
            font-weight: 600;
            white-space: nowrap;
        }

        .data-badge-pill.purple {
            background: rgba(108, 43, 217, 0.2);
            border-color: rgba(139, 92, 246, 0.3);
            color: #C4B5FD;
        }

        /* Section Common */
        .section {
            padding: 72px 0;
        }

        .section-sm {
            padding: 48px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-sm);
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: var(--font-3xl);
            font-weight: 800;
            color: var(--text);
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: var(--font-lg);
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.6;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header.centered {
            text-align: center;
        }

        .section-header.centered .section-subtitle {
            margin: 0 auto;
        }

        /* Value Proposition */
        .value-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .value-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .value-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
            opacity: 0;
            transition: opacity var(--transition);
        }

        .value-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .value-card:hover::before {
            opacity: 1;
        }

        .value-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            background: rgba(108, 43, 217, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 16px;
            transition: all var(--transition);
        }

        .value-card:hover .value-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }

        .value-card h3 {
            font-size: var(--font-lg);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .value-card p {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* Feature Group - Alternating */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
            margin-bottom: 56px;
        }

        .feature-row:last-child {
            margin-bottom: 0;
        }

        .feature-row.reverse {
            direction: rtl;
        }

        .feature-row.reverse .feature-text {
            direction: ltr;
        }

        .feature-image-wrap {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            direction: ltr;
        }

        .feature-image-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius-xl);
            transition: transform var(--transition-slow);
        }

        .feature-image-wrap:hover img {
            transform: scale(1.04);
        }

        .feature-image-wrap .feature-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--primary);
            color: #fff;
            padding: 5px 14px;
            border-radius: 16px;
            font-size: var(--font-xs);
            font-weight: 600;
            z-index: 2;
        }

        .feature-text h3 {
            font-size: var(--font-2xl);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .feature-text p {
            font-size: var(--font-base);
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .feature-list li i {
            color: var(--teal);
            font-size: 1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* Use Scenarios */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
        }

        .scenario-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .scenario-card .scenario-img {
            height: 160px;
            overflow: hidden;
            position: relative;
        }

        .scenario-card .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .scenario-card:hover .scenario-img img {
            transform: scale(1.08);
        }

        .scenario-card .scenario-body {
            padding: 18px 16px;
        }

        .scenario-card .scenario-body h4 {
            font-size: var(--font-base);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .scenario-card .scenario-body p {
            font-size: var(--font-xs);
            color: var(--text-light);
            line-height: 1.5;
        }

        .scenario-card .scenario-icon-badge {
            position: absolute;
            bottom: 10px;
            right: 10px;
            width: 36px;
            height: 36px;
            background: rgba(255, 255, 255, 0.9);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 0.9rem;
            z-index: 2;
            box-shadow: var(--shadow-sm);
        }

        /* Success Cases */
        .cases-slider {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .case-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
        }

        .case-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-3px);
        }

        .case-card .case-quote-icon {
            font-size: 2rem;
            color: rgba(108, 43, 217, 0.2);
            margin-bottom: 12px;
            line-height: 1;
        }

        .case-card .case-text {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }

        .case-card .case-author {
            display: flex;
            align-items: center;
            gap: 10px;
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
        }

        .case-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: var(--font-sm);
            flex-shrink: 0;
        }

        .case-author-info strong {
            display: block;
            font-size: var(--font-sm);
            color: var(--text);
            font-weight: 600;
        }

        .case-author-info span {
            font-size: var(--font-xs);
            color: var(--text-light);
        }

        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }

        .pricing-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 36px 28px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .pricing-card.featured {
            border-color: var(--primary);
            box-shadow: var(--shadow-glow);
            transform: scale(1.03);
            z-index: 2;
            background: linear-gradient(180deg, #FFFFFF 0%, #FAF8FF 100%);
        }

        .pricing-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .pricing-card.featured:hover {
            transform: scale(1.03) translateY(-4px);
            box-shadow: 0 0 60px rgba(108, 43, 217, 0.3);
        }

        .pricing-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            padding: 5px 18px;
            border-radius: 16px;
            font-size: var(--font-xs);
            font-weight: 700;
            white-space: nowrap;
            letter-spacing: 0.03em;
        }

        .pricing-card h3 {
            font-size: var(--font-xl);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            text-align: center;
        }

        .pricing-price {
            text-align: center;
            margin-bottom: 20px;
        }

        .pricing-price .price-num {
            font-size: var(--font-3xl);
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.03em;
        }

        .pricing-price .price-unit {
            font-size: var(--font-sm);
            color: var(--text-light);
        }

        .pricing-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
            margin-bottom: 20px;
        }

        .pricing-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: var(--font-sm);
            color: var(--text-secondary);
        }

        .pricing-features li i {
            color: var(--teal);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .pricing-card .btn {
            width: 100%;
            justify-content: center;
        }

        /* Security */
        .security-block {
            background: var(--bg-dark);
            border-radius: var(--radius-2xl);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            color: #fff;
        }

        .security-block h3 {
            font-size: var(--font-2xl);
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

        .security-block p {
            color: #B8B0D0;
            line-height: 1.7;
            margin-bottom: 16px;
            font-size: var(--font-base);
        }

        .security-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .security-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: #D0C8E8;
            font-size: var(--font-sm);
            line-height: 1.5;
        }

        .security-list li i {
            color: var(--teal);
            font-size: 1.1rem;
            margin-top: 2px;
            flex-shrink: 0;
        }

        .security-icons {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .security-icon-card {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius);
            padding: 20px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition);
        }

        .security-icon-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .security-icon-card i {
            font-size: 1.6rem;
            color: var(--teal);
            margin-bottom: 8px;
            display: block;
        }

        .security-icon-card span {
            font-size: var(--font-xs);
            color: #C4B5FD;
            font-weight: 500;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 24px;
            background: none;
            font-size: var(--font-base);
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--primary);
            background: rgba(108, 43, 217, 0.03);
        }

        .faq-question i {
            font-size: 0.8rem;
            color: var(--text-light);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 24px 20px 24px;
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark), var(--bg-dark-secondary));
            border-radius: var(--radius-2xl);
            padding: 56px 40px;
            text-align: center;
            color: #fff;
            margin: 0 24px;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section h2 {
            font-size: var(--font-3xl);
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .cta-section p {
            color: #B8B0D0;
            font-size: var(--font-lg);
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: #B8B0D0;
            padding: 56px 0 28px;
            margin-top: 72px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand .logo-link {
            color: #fff;
            margin-bottom: 12px;
            display: inline-flex;
        }

        .footer-brand p {
            font-size: var(--font-sm);
            line-height: 1.6;
            margin-top: 8px;
            color: #9B90B8;
            max-width: 280px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: var(--font-sm);
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: var(--font-sm);
            color: #9B90B8;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: var(--font-xs);
            color: #7B7298;
            align-items: center;
            justify-content: space-between;
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        .footer-links-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-links-row a {
            color: #7B7298;
            font-size: var(--font-xs);
            transition: color var(--transition-fast);
        }

        .footer-links-row a:hover {
            color: #fff;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --font-4xl: 2.6rem;
                --font-3xl: 2rem;
                --font-2xl: 1.6rem;
            }

            .hero-dark .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-right {
                order: -1;
            }

            .hero-dark {
                min-height: auto;
                padding: 48px 0;
            }

            .value-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .feature-row {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .feature-row.reverse {
                direction: ltr;
            }

            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .cases-slider {
                grid-template-columns: repeat(2, 1fr);
            }

            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .pricing-card.featured {
                transform: none;
            }

            .pricing-card.featured:hover {
                transform: translateY(-4px);
            }

            .security-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --font-4xl: 2rem;
                --font-3xl: 1.7rem;
                --font-2xl: 1.4rem;
                --font-xl: 1.2rem;
                --nav-height: 56px;
            }

            .nav-list {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition);
                z-index: 999;
                pointer-events: none;
            }

            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .nav-list a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius);
                font-size: var(--font-base);
            }

            .nav-cta {
                margin-left: 0;
                text-align: center;
                justify-content: center;
                margin-top: 4px;
            }

            .mobile-menu-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .value-grid {
                grid-template-columns: 1fr;
            }

            .scenario-grid {
                grid-template-columns: 1fr 1fr;
            }

            .cases-slider {
                grid-template-columns: 1fr;
            }

            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto;
            }

            .pricing-card.featured {
                transform: none;
            }

            .pricing-card.featured:hover {
                transform: translateY(-4px);
            }

            .security-icons {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .section {
                padding: 48px 0;
            }

            .cta-section {
                padding: 40px 24px;
                margin: 0 12px;
                border-radius: var(--radius-xl);
            }
        }

        @media (max-width: 520px) {
            :root {
                --font-4xl: 1.7rem;
                --font-3xl: 1.4rem;
                --font-2xl: 1.25rem;
                --font-xl: 1.1rem;
            }

            .container {
                padding: 0 16px;
            }

            .hero-left h1 {
                font-size: var(--font-3xl);
            }

            .hero-dark {
                padding: 36px 0;
            }

            .data-panel {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
                padding: 18px 14px;
            }

            .scenario-grid {
                grid-template-columns: 1fr;
            }

            .security-icons {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .btn-lg {
                padding: 12px 24px;
                font-size: var(--font-sm);
            }

            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }

            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }

            .section-header {
                margin-bottom: 32px;
            }

            .breadcrumb-inner {
                font-size: var(--font-xs);
            }
        }

/* roulang page: category4 */
:root {
            --primary: #6C2BD9;
            --primary-dark: #5521B0;
            --primary-light: #8B5CF6;
            --accent: #FF6B35;
            --accent-hover: #E85A2A;
            --teal: #00C9A7;
            --teal-dark: #00A88C;
            --bg: #F8F7FC;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1333;
            --bg-dark-secondary: #241D42;
            --text: #2D2640;
            --text-secondary: #5E5580;
            --text-light: #8B83A0;
            --text-white: #F5F3FA;
            --border: #E8E4F0;
            --border-light: #F2EFF8;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-2xl: 32px;
            --shadow-sm: 0 1px 3px rgba(26, 19, 51, 0.06);
            --shadow: 0 4px 16px rgba(26, 19, 51, 0.08);
            --shadow-md: 0 8px 32px rgba(26, 19, 51, 0.12);
            --shadow-lg: 0 16px 48px rgba(26, 19, 51, 0.16);
            --shadow-glow: 0 0 40px rgba(108, 43, 217, 0.25);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-xs: 0.78rem;
            --font-sm: 0.875rem;
            --font-base: 1rem;
            --font-md: 1.1rem;
            --font-lg: 1.25rem;
            --font-xl: 1.5rem;
            --font-2xl: 2rem;
            --font-3xl: 2.75rem;
            --font-4xl: 3.5rem;
            --max-width: 1240px;
            --nav-height: 68px;
        }

        @media (max-width: 1024px) {
            :root {
                --font-3xl: 2.2rem;
                --font-2xl: 1.7rem;
            }
        }
        @media (max-width: 768px) {
            :root {
                --font-3xl: 1.8rem;
                --font-2xl: 1.5rem;
                --font-xl: 1.2rem;
                --nav-height: 56px;
            }
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            letter-spacing: 0.01em;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: all var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: var(--font-xl);
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 24px;
            font-size: var(--font-sm);
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-list a:hover {
            color: var(--primary);
            background: rgba(108, 43, 217, 0.06);
        }
        .nav-list a.active {
            color: var(--primary);
            background: rgba(108, 43, 217, 0.1);
            font-weight: 600;
        }
        .nav-cta {
            background: var(--primary) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 600 !important;
            transition: all var(--transition) !important;
        }
        .nav-cta:hover {
            background: var(--primary-dark) !important;
            transform: translateY(-1px);
            box-shadow: var(--shadow);
        }

        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .nav-toggle:hover {
            background: rgba(108, 43, 217, 0.06);
        }
        @media (max-width: 1024px) {
            .nav-list {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--border);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition);
                z-index: 999;
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-list a {
                width: 100%;
                padding: 12px 16px;
                font-size: var(--font-base);
                border-radius: var(--radius);
                justify-content: center;
            }
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .logo-link {
                font-size: var(--font-md);
                gap: 6px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .header-inner {
                padding: 0 16px;
            }
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
            position: sticky;
            top: var(--nav-height);
            z-index: 99;
        }
        .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: var(--font-sm);
            color: var(--text-light);
        }
        .breadcrumb-inner a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb-inner a:hover {
            color: var(--primary);
        }
        .breadcrumb-inner .sep {
            color: var(--border);
            font-size: 0.7rem;
        }
        .breadcrumb-inner .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* Section spacing */
        .section {
            padding: 64px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-lg {
            padding: 80px 0;
        }
        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-lg {
                padding: 52px 0;
            }
        }

        /* Hero Flash Sale */
        .hero-flash {
            background: linear-gradient(160deg, #1A0D3B 0%, #1A1333 30%, #241D42 70%, #1A0D3B 100%);
            color: var(--text-white);
            padding: 40px 0 56px;
            position: relative;
            overflow: hidden;
        }
        .hero-flash::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(108, 43, 217, 0.28) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-flash::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-flash .container {
            position: relative;
            z-index: 2;
        }
        .flash-alert-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: rgba(255, 107, 53, 0.15);
            border: 1px solid rgba(255, 107, 53, 0.35);
            border-radius: 50px;
            padding: 10px 24px;
            margin-bottom: 28px;
            font-size: var(--font-sm);
            font-weight: 600;
            color: #FFB088;
            animation: pulse-bar 2s ease-in-out infinite;
            flex-wrap: wrap;
            text-align: center;
        }
        @keyframes pulse-bar {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.3);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(255, 107, 53, 0);
            }
        }
        .flash-alert-bar .icon-fire {
            font-size: 1.1rem;
        }
        .flash-countdown {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(0, 0, 0, 0.4);
            border-radius: 8px;
            padding: 4px 10px;
            margin-left: 4px;
        }
        .flash-countdown span {
            font-weight: 800;
            font-size: 1rem;
            color: #FFB088;
            min-width: 22px;
            text-align: center;
        }
        .flash-countdown .cd-sep {
            color: rgba(255, 255, 255, 0.5);
            min-width: auto;
        }
        .hero-flash-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }
        .hero-flash-left h1 {
            font-size: var(--font-3xl);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .hero-flash-left h1 .highlight {
            background: linear-gradient(135deg, #FFB088, #FF6B35);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-flash-left .hero-desc {
            font-size: var(--font-md);
            color: rgba(245, 243, 250, 0.8);
            line-height: 1.6;
            margin-bottom: 24px;
        }
        .hero-flash-left .hero-stats-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .hero-stat-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius);
            padding: 14px 20px;
            min-width: 90px;
        }
        .hero-stat-item .stat-num {
            font-size: var(--font-2xl);
            font-weight: 800;
            color: #FFB088;
            line-height: 1.1;
        }
        .hero-stat-item .stat-label {
            font-size: var(--font-xs);
            color: rgba(245, 243, 250, 0.6);
            margin-top: 4px;
        }
        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: var(--font-md);
            border-radius: 50px;
            transition: all var(--transition);
            box-shadow: 0 4px 20px rgba(255, 107, 53, 0.35);
            white-space: nowrap;
        }
        .btn-primary-lg:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 107, 53, 0.45);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: var(--font-md);
            border-radius: 50px;
            border: 2px solid rgba(255, 255, 255, 0.35);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .hero-flash-right {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .flash-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-xl);
            padding: 28px;
            text-align: center;
            backdrop-filter: blur(4px);
            max-width: 380px;
            width: 100%;
            position: relative;
            overflow: hidden;
        }
        .flash-card .badge-hot {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent);
            color: #fff;
            font-size: var(--font-xs);
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }
        .flash-card .card-img-wrap {
            width: 100%;
            height: 180px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 18px;
        }
        .flash-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .flash-card h3 {
            font-size: var(--font-xl);
            font-weight: 700;
            margin-bottom: 6px;
            color: #fff;
        }
        .flash-card .card-price-row {
            display: flex;
            align-items: baseline;
            justify-content: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .flash-card .price-current {
            font-size: var(--font-2xl);
            font-weight: 800;
            color: #FFB088;
        }
        .flash-card .price-original {
            font-size: var(--font-sm);
            color: rgba(255, 255, 255, 0.5);
            text-decoration: line-through;
        }
        .flash-card .btn-grab {
            display: block;
            width: 100%;
            padding: 13px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: var(--font-md);
            border-radius: 50px;
            transition: all var(--transition);
            cursor: pointer;
        }
        .flash-card .btn-grab:hover {
            background: #FF8A5C;
            box-shadow: 0 8px 24px rgba(255, 107, 53, 0.4);
            transform: translateY(-2px);
        }
        .flash-card .card-limited {
            font-size: var(--font-xs);
            color: rgba(255, 255, 255, 0.5);
            margin-top: 10px;
        }
        @media (max-width: 768px) {
            .hero-flash-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-flash-left h1 {
                font-size: var(--font-2xl);
            }
            .flash-card {
                max-width: 100%;
            }
            .flash-alert-bar {
                font-size: var(--font-xs);
                padding: 8px 16px;
                gap: 6px;
            }
        }

        /* Section titles */
        .section-title {
            font-size: var(--font-2xl);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: var(--font-md);
            color: var(--text-secondary);
            margin-bottom: 36px;
            line-height: 1.6;
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header .badge-tag {
            display: inline-block;
            background: rgba(108, 43, 217, 0.08);
            color: var(--primary);
            font-size: var(--font-xs);
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        /* Cards grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }
        .card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border);
            transition: all var(--transition);
            position: relative;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--primary-light);
        }
        .card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            background: rgba(108, 43, 217, 0.08);
            color: var(--primary);
        }
        .card .card-icon.accent {
            background: rgba(255, 107, 53, 0.08);
            color: var(--accent);
        }
        .card .card-icon.teal {
            background: rgba(0, 201, 167, 0.08);
            color: var(--teal);
        }
        .card h3 {
            font-size: var(--font-lg);
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .card p {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Process steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            counter-reset: step;
        }
        .process-step {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            border: 1px solid var(--border);
            position: relative;
            transition: all var(--transition);
            counter-increment: step;
        }
        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .process-step::before {
            content: counter(step);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-weight: 800;
            font-size: var(--font-lg);
            margin: 0 auto 14px;
        }
        .process-step h4 {
            font-size: var(--font-md);
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .process-step p {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* Scenario cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }
        .scenario-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .scenario-card .sc-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .scenario-card .sc-body {
            padding: 20px;
        }
        .scenario-card h4 {
            font-size: var(--font-md);
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .scenario-card p {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* Dark CTA block */
        .dark-cta-block {
            background: var(--bg-dark);
            color: var(--text-white);
            border-radius: var(--radius-2xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .dark-cta-block::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(108, 43, 217, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .dark-cta-block h2 {
            font-size: var(--font-2xl);
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .dark-cta-block p {
            color: rgba(245, 243, 250, 0.75);
            font-size: var(--font-md);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .dark-cta-block .btn-primary-lg {
            position: relative;
            z-index: 1;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            background: none;
            font-size: var(--font-md);
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: rgba(108, 43, 217, 0.03);
        }
        .faq-question .faq-icon {
            font-size: 0.9rem;
            color: var(--text-light);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition), padding var(--transition);
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Security / trust section */
        .trust-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            align-items: center;
        }
        .trust-badge {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 10px 20px;
            font-size: var(--font-sm);
            font-weight: 600;
            color: var(--text);
            transition: all var(--transition-fast);
        }
        .trust-badge:hover {
            box-shadow: var(--shadow);
            border-color: var(--primary-light);
        }
        .trust-badge .tb-icon {
            color: var(--teal);
            font-size: 1.1rem;
        }

        /* Feature highlight alternate */
        .feature-alt-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .feature-alt-row.reverse {
            direction: rtl;
        }
        .feature-alt-row.reverse>* {
            direction: ltr;
        }
        .feature-alt-img {
            border-radius: var(--radius-xl);
            overflow: hidden;
            height: 320px;
        }
        .feature-alt-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .feature-alt-text h3 {
            font-size: var(--font-2xl);
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
        }
        .feature-alt-text p {
            font-size: var(--font-md);
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .feature-alt-text .check-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .feature-alt-text .check-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-sm);
            color: var(--text);
        }
        .feature-alt-text .check-list li i {
            color: var(--teal);
            font-size: 1rem;
        }
        @media (max-width: 768px) {
            .feature-alt-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .feature-alt-img {
                height: 220px;
            }
        }

        /* Pricing / plan cards */
        .plan-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
        }
        .plan-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            border: 2px solid var(--border);
            text-align: center;
            transition: all var(--transition);
            position: relative;
        }
        .plan-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .plan-card.featured {
            border-color: var(--primary);
            box-shadow: var(--shadow-glow);
            background: linear-gradient(180deg, #fff 0%, rgba(108, 43, 217, 0.03) 100%);
        }
        .plan-card.featured::before {
            content: '最受欢迎';
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #fff;
            font-size: var(--font-xs);
            font-weight: 700;
            padding: 5px 16px;
            border-radius: 20px;
            white-space: nowrap;
        }
        .plan-card h4 {
            font-size: var(--font-lg);
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text);
        }
        .plan-card .plan-price {
            font-size: var(--font-3xl);
            font-weight: 800;
            color: var(--primary);
            margin: 12px 0;
        }
        .plan-card .plan-price small {
            font-size: var(--font-base);
            font-weight: 500;
            color: var(--text-light);
        }
        .plan-card .plan-features {
            list-style: none;
            text-align: left;
            margin-bottom: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .plan-card .plan-features li {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .plan-card .plan-features li i {
            color: var(--teal);
            font-size: 0.85rem;
        }
        .plan-card .btn-plan {
            display: block;
            width: 100%;
            padding: 12px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: var(--font-md);
            border-radius: 50px;
            transition: all var(--transition);
            cursor: pointer;
        }
        .plan-card .btn-plan:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow);
            transform: translateY(-1px);
        }
        .plan-card.featured .btn-plan {
            background: var(--accent);
        }
        .plan-card.featured .btn-plan:hover {
            background: var(--accent-hover);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: 56px 0 32px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand .logo-link {
            color: #fff;
            margin-bottom: 12px;
            display: inline-flex;
        }
        .footer-brand p {
            font-size: var(--font-sm);
            color: rgba(245, 243, 250, 0.6);
            line-height: 1.6;
            margin-top: 8px;
        }
        .footer-col h4 {
            font-size: var(--font-sm);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 14px;
            color: rgba(245, 243, 250, 0.8);
        }
        .footer-col a {
            display: block;
            font-size: var(--font-sm);
            color: rgba(245, 243, 250, 0.55);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            text-align: center;
            font-size: var(--font-xs);
            color: rgba(245, 243, 250, 0.45);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
            align-items: center;
        }
        .footer-links-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-links-row a {
            color: rgba(245, 243, 250, 0.45);
            font-size: var(--font-xs);
            transition: color var(--transition-fast);
        }
        .footer-links-row a:hover {
            color: #fff;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
        }

        /* Utility */
        .text-center {
            text-align: center;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-0 {
            margin-top: 0;
        }
        .badge-inline {
            display: inline-block;
            background: rgba(0, 201, 167, 0.1);
            color: var(--teal-dark);
            font-size: var(--font-xs);
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 12px;
        }

/* roulang page: category6 */
:root {
            --primary: #6C2BD9;
            --primary-dark: #5521B0;
            --primary-light: #8B5CF6;
            --accent: #FF6B35;
            --accent-hover: #E85A2A;
            --teal: #00C9A7;
            --teal-dark: #00A88C;
            --bg: #F8F7FC;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1333;
            --bg-dark-secondary: #241D42;
            --text: #2D2640;
            --text-secondary: #5E5580;
            --text-light: #8B83A0;
            --text-white: #F5F3FA;
            --border: #E8E4F0;
            --border-light: #F2EFF8;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-2xl: 32px;
            --shadow-sm: 0 1px 3px rgba(26, 19, 51, 0.06);
            --shadow: 0 4px 16px rgba(26, 19, 51, 0.08);
            --shadow-md: 0 8px 32px rgba(26, 19, 51, 0.12);
            --shadow-lg: 0 16px 48px rgba(26, 19, 51, 0.16);
            --shadow-glow: 0 0 40px rgba(108, 43, 217, 0.25);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-xs: 0.78rem;
            --font-sm: 0.875rem;
            --font-base: 1rem;
            --font-md: 1.1rem;
            --font-lg: 1.25rem;
            --font-xl: 1.5rem;
            --font-2xl: 2rem;
            --font-3xl: 2.75rem;
            --font-4xl: 3.5rem;
            --max-width: 1240px;
            --nav-height: 68px;
        }

        @media (max-width: 1024px) {
            :root {
                --font-3xl: 2.2rem;
                --font-2xl: 1.7rem;
            }
        }
        @media (max-width: 768px) {
            :root {
                --font-3xl: 1.8rem;
                --font-2xl: 1.5rem;
                --font-xl: 1.2rem;
                --nav-height: 56px;
            }
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            letter-spacing: 0.01em;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: all var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: var(--font-xl);
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 24px;
            font-size: var(--font-sm);
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-list a:hover {
            color: var(--primary);
            background: rgba(108, 43, 217, 0.06);
        }
        .nav-list a.active {
            color: var(--primary);
            background: rgba(108, 43, 217, 0.1);
            font-weight: 600;
        }
        .nav-cta {
            background: var(--primary) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 600 !important;
            transition: all var(--transition) !important;
        }
        .nav-cta:hover {
            background: var(--primary-dark) !important;
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        .nav-toggle:hover {
            background: rgba(108, 43, 217, 0.06);
            color: var(--primary);
        }

        @media (max-width: 1024px) {
            .nav-list a {
                padding: 6px 10px;
                font-size: var(--font-xs);
            }
            .nav-cta {
                padding: 7px 14px !important;
                font-size: var(--font-xs);
            }
            .logo-link {
                font-size: var(--font-md);
                gap: 6px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
        }
        @media (max-width: 768px) {
            .nav-list {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                transition: transform var(--transition-slow);
                z-index: 999;
            }
            .nav-list.open {
                transform: translateY(0);
            }
            .nav-list a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius);
                font-size: var(--font-base);
                justify-content: center;
            }
            .nav-cta {
                padding: 12px 20px !important;
                font-size: var(--font-base);
                margin-top: 4px;
            }
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .header-inner {
                padding: 0 16px;
            }
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
            font-size: var(--font-sm);
            color: var(--text-light);
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb-bar a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        .breadcrumb-sep {
            color: var(--text-light);
            font-size: 0.7rem;
        }
        .breadcrumb-current {
            color: var(--primary);
            font-weight: 600;
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 19, 51, 0.82) 0%, rgba(26, 19, 51, 0.55) 40%, rgba(108, 43, 217, 0.35) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 60px 0;
        }
        .hero-content .container {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 28px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 8px 18px;
            border-radius: 24px;
            font-size: var(--font-sm);
            font-weight: 500;
            letter-spacing: 0.03em;
        }
        .hero-badge i {
            color: var(--teal);
            font-size: 0.8rem;
        }
        .hero-title {
            font-size: var(--font-4xl);
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.03em;
            line-height: 1.15;
            max-width: 800px;
        }
        .hero-title span {
            background: linear-gradient(135deg, var(--teal), #7DF9D4);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-subtitle {
            font-size: var(--font-lg);
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            line-height: 1.6;
        }
        .hero-nav-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 40px;
            padding: 8px 12px;
        }
        .hero-nav-strip a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: 28px;
            font-size: var(--font-sm);
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            background: transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .hero-nav-strip a:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            transform: translateY(-2px);
        }
        .hero-nav-strip a.hero-nav-active {
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            box-shadow: var(--shadow-md);
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 14px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: var(--font-base);
            transition: all var(--transition);
            box-shadow: 0 4px 20px rgba(108, 43, 217, 0.35);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 14px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: var(--font-base);
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            transform: translateY(-3px);
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 420px;
            }
            .hero-title {
                font-size: var(--font-3xl);
            }
            .hero-subtitle {
                font-size: var(--font-base);
            }
            .hero-nav-strip {
                gap: 6px;
                padding: 6px 8px;
                border-radius: 32px;
            }
            .hero-nav-strip a {
                padding: 8px 12px;
                font-size: var(--font-xs);
            }
            .btn-primary,
            .btn-outline-light {
                padding: 12px 22px;
                font-size: var(--font-sm);
            }
        }

        /* Section Common */
        .section {
            padding: 70px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-label {
            display: inline-block;
            font-size: var(--font-xs);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--primary);
            background: rgba(108, 43, 217, 0.08);
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 14px;
        }
        .section-title {
            font-size: var(--font-3xl);
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .section-desc {
            font-size: var(--font-md);
            color: var(--text-secondary);
            max-width: 640px;
            margin: 14px auto 0;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .section {
                padding: 44px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .section-title {
                font-size: var(--font-2xl);
            }
            .section-desc {
                font-size: var(--font-sm);
            }
        }

        /* Value Proposition */
        .value-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .value-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-align: center;
        }
        .value-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .value-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.5rem;
            background: linear-gradient(135deg, rgba(108, 43, 217, 0.1), rgba(139, 92, 246, 0.1));
            color: var(--primary);
        }
        .value-card h3 {
            font-size: var(--font-lg);
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .value-card p {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .value-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .value-card {
                padding: 24px 20px;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .value-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* Feature Group */
        .feature-group-section {
            background: var(--bg-white);
        }
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 60px;
        }
        .feature-block:last-child {
            margin-bottom: 0;
        }
        .feature-block.reverse {
            direction: rtl;
        }
        .feature-block.reverse .feature-text {
            direction: ltr;
        }
        .feature-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 16 / 10;
            background: var(--border-light);
        }
        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .feature-text h3 {
            font-size: var(--font-2xl);
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text);
            letter-spacing: -0.02em;
        }
        .feature-text p {
            font-size: var(--font-md);
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .feature-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: var(--font-xs);
            font-weight: 500;
            background: rgba(108, 43, 217, 0.06);
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .feature-block {
                grid-template-columns: 1fr;
                gap: 24px;
                margin-bottom: 40px;
            }
            .feature-block.reverse {
                direction: ltr;
            }
            .feature-image {
                aspect-ratio: 16 / 9;
            }
            .feature-text h3 {
                font-size: var(--font-xl);
            }
        }

        /* Scenario Cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .scenario-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .scenario-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--teal));
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .scenario-card:hover::before {
            opacity: 1;
        }
        .scenario-icon {
            font-size: 2rem;
            margin-bottom: 14px;
            color: var(--primary);
        }
        .scenario-card h4 {
            font-size: var(--font-md);
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .scenario-card p {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.5;
        }
        @media (max-width: 1024px) {
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .scenario-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Stats Section */
        .stats-section {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: 60px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stat-item .stat-number {
            font-size: var(--font-4xl);
            font-weight: 800;
            background: linear-gradient(135deg, var(--teal), #7DF9D4);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
        }
        .stat-item .stat-label {
            font-size: var(--font-sm);
            color: var(--text-light);
            margin-top: 8px;
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .stat-item .stat-number {
                font-size: var(--font-3xl);
            }
        }

        /* Creator Section */
        .creator-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .creator-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .creator-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .creator-card-img {
            aspect-ratio: 3 / 2;
            background: var(--border-light);
            overflow: hidden;
        }
        .creator-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .creator-card:hover .creator-card-img img {
            transform: scale(1.05);
        }
        .creator-card-body {
            padding: 20px 22px;
        }
        .creator-card-body h4 {
            font-size: var(--font-md);
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .creator-card-body .creator-meta {
            font-size: var(--font-xs);
            color: var(--text-light);
            margin-bottom: 10px;
        }
        .creator-card-body p {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .creator-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .creator-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* Quality Section */
        .quality-section {
            background: var(--bg-white);
        }
        .quality-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            max-width: 900px;
            margin: 0 auto;
        }
        .quality-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 20px;
            border-radius: var(--radius);
            background: var(--bg);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .quality-item:hover {
            box-shadow: var(--shadow);
            border-color: transparent;
        }
        .quality-check {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--teal);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 0.9rem;
        }
        .quality-item h4 {
            font-size: var(--font-md);
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text);
        }
        .quality-item p {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .quality-list {
                grid-template-columns: 1fr;
            }
        }

        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }
        .pricing-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-align: center;
            display: flex;
            flex-direction: column;
        }
        .pricing-card.featured {
            border-color: var(--primary);
            box-shadow: var(--shadow-glow);
            position: relative;
            transform: scale(1.03);
        }
        .pricing-card.featured .pricing-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #fff;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: var(--font-xs);
            font-weight: 700;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }
        .pricing-card h4 {
            font-size: var(--font-lg);
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .pricing-price {
            font-size: var(--font-3xl);
            font-weight: 800;
            color: var(--primary);
            margin: 12px 0;
        }
        .pricing-price span {
            font-size: var(--font-sm);
            font-weight: 400;
            color: var(--text-light);
        }
        .pricing-features {
            list-style: none;
            text-align: left;
            margin: 20px 0;
            flex: 1;
        }
        .pricing-features li {
            padding: 7px 0;
            font-size: var(--font-sm);
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .pricing-features li i {
            color: var(--teal);
            font-size: 0.8rem;
            flex-shrink: 0;
        }
        .btn-pricing {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 28px;
            font-weight: 600;
            font-size: var(--font-sm);
            background: var(--primary);
            color: #fff;
            transition: all var(--transition);
            margin-top: 8px;
            width: 100%;
        }
        .btn-pricing:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }
        .btn-pricing-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-pricing-outline:hover {
            background: rgba(108, 43, 217, 0.06);
            box-shadow: none;
        }
        @media (max-width: 1024px) {
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .pricing-card.featured {
                transform: scale(1);
            }
        }
        @media (max-width: 600px) {
            .pricing-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-white);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            background: var(--bg);
        }
        .faq-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            background: none;
            font-size: var(--font-md);
            font-weight: 600;
            color: var(--text);
            text-align: left;
            gap: 12px;
        }
        .faq-question i {
            font-size: 0.8rem;
            color: var(--text-light);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-secondary) 100%);
            padding: 70px 0;
            text-align: center;
            color: var(--text-white);
        }
        .cta-section .section-title {
            color: #fff;
        }
        .cta-section .section-desc {
            color: rgba(255, 255, 255, 0.8);
        }
        .cta-btn-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 28px;
        }
        .btn-cta-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            padding: 15px 32px;
            border-radius: 30px;
            font-weight: 700;
            font-size: var(--font-md);
            transition: all var(--transition);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
        }
        .btn-cta-white:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
        }
        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 15px 32px;
            border-radius: 30px;
            font-weight: 700;
            font-size: var(--font-md);
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition);
        }
        .btn-cta-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-3px);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: 50px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand .logo-link {
            font-size: var(--font-xl);
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand .logo-link .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .footer-brand p {
            font-size: var(--font-sm);
            color: var(--text-light);
            line-height: 1.6;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: var(--font-sm);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 14px;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-col a {
            display: block;
            font-size: var(--font-sm);
            color: var(--text-light);
            padding: 6px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: var(--font-xs);
            color: var(--text-light);
            align-items: center;
            justify-content: center;
            text-align: center;
        }
        .footer-links-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-links-row a {
            color: var(--text-light);
            transition: color var(--transition-fast);
        }
        .footer-links-row a:hover {
            color: #fff;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #6C2BD9;
            --primary-dark: #5521B0;
            --primary-light: #8B5CF6;
            --accent: #FF6B35;
            --accent-hover: #E85A2A;
            --teal: #00C9A7;
            --teal-dark: #00A88C;
            --bg: #F8F7FC;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1333;
            --bg-dark-secondary: #241D42;
            --text: #2D2640;
            --text-secondary: #5E5580;
            --text-light: #8B83A0;
            --text-white: #F5F3FA;
            --border: #E8E4F0;
            --border-light: #F2EFF8;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-2xl: 32px;
            --shadow-sm: 0 1px 3px rgba(26, 19, 51, 0.06);
            --shadow: 0 4px 16px rgba(26, 19, 51, 0.08);
            --shadow-md: 0 8px 32px rgba(26, 19, 51, 0.12);
            --shadow-lg: 0 16px 48px rgba(26, 19, 51, 0.16);
            --shadow-glow: 0 0 40px rgba(108, 43, 217, 0.25);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-xs: 0.78rem;
            --font-sm: 0.875rem;
            --font-base: 1rem;
            --font-md: 1.1rem;
            --font-lg: 1.25rem;
            --font-xl: 1.5rem;
            --font-2xl: 2rem;
            --font-3xl: 2.75rem;
            --font-4xl: 3.5rem;
            --max-width: 1240px;
            --nav-height: 68px;
        }

        @media (max-width: 1024px) {
            :root {
                --font-3xl: 2.2rem;
                --font-2xl: 1.7rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --font-3xl: 1.8rem;
                --font-2xl: 1.5rem;
                --font-xl: 1.2rem;
                --nav-height: 56px;
            }
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            letter-spacing: 0.01em;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: all var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: var(--font-xl);
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 24px;
            font-size: var(--font-sm);
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-list a:hover {
            color: var(--primary);
            background: rgba(108, 43, 217, 0.06);
        }

        .nav-list a.active {
            color: var(--primary);
            background: rgba(108, 43, 217, 0.1);
            font-weight: 600;
        }

        .nav-cta {
            background: var(--primary) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 600 !important;
            transition: all var(--transition) !important;
        }

        .nav-cta:hover {
            background: var(--primary-dark) !important;
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 8px;
            cursor: pointer;
            z-index: 1001;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }

        .breadcrumb-list {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            font-size: var(--font-sm);
            color: var(--text-light);
            flex-wrap: wrap;
        }

        .breadcrumb-list li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-list a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb-list a:hover {
            color: var(--primary);
        }

        .breadcrumb-list .separator {
            color: var(--text-light);
            font-size: 0.7rem;
        }

        .breadcrumb-list .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* Hero - 全宽沉浸KV */
        .hero-kv {
            position: relative;
            width: 100%;
            min-height: 620px;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .hero-kv::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(26, 19, 51, 0.82) 0%, rgba(108, 43, 217, 0.7) 40%, rgba(26, 19, 51, 0.88) 100%);
            z-index: 1;
        }

        .hero-kv::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg) 0%, transparent 100%);
            z-index: 2;
        }

        .hero-kv-inner {
            position: relative;
            z-index: 3;
            text-align: center;
            max-width: 800px;
            padding: 0 24px;
        }

        .hero-kv-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 8px 20px;
            border-radius: 24px;
            font-size: var(--font-sm);
            font-weight: 500;
            margin-bottom: 24px;
            letter-spacing: 0.04em;
        }

        .hero-kv-badge i {
            color: var(--accent);
            margin-right: 6px;
            animation: pulse-dot 1.6s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.4);
            }
        }

        .hero-kv h1 {
            font-size: var(--font-4xl);
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: -0.03em;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }

        .hero-kv h1 span {
            color: #FFD700;
            position: relative;
        }

        .hero-kv-desc {
            font-size: var(--font-lg);
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 36px;
            line-height: 1.6;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 倒计时条 */
        .countdown-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-xl);
            padding: 18px 28px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .countdown-label {
            color: #fff;
            font-size: var(--font-sm);
            font-weight: 500;
            white-space: nowrap;
            letter-spacing: 0.03em;
        }

        .countdown-digits {
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .countdown-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 52px;
        }

        .countdown-num {
            font-size: var(--font-2xl);
            font-weight: 800;
            color: #FFD700;
            background: rgba(0, 0, 0, 0.35);
            border-radius: var(--radius-sm);
            padding: 6px 12px;
            line-height: 1.2;
            min-width: 48px;
            text-align: center;
            font-variant-numeric: tabular-nums;
            font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
        }

        .countdown-unit {
            font-size: var(--font-xs);
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        .countdown-sep {
            color: #FFD700;
            font-size: var(--font-2xl);
            font-weight: 700;
            animation: blink-sep 1s step-end infinite;
        }

        @keyframes blink-sep {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        /* 双按钮 */
        .hero-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            padding: 16px 36px;
            border-radius: 28px;
            font-size: var(--font-md);
            font-weight: 700;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            box-shadow: 0 8px 28px rgba(255, 107, 53, 0.4);
            white-space: nowrap;
        }

        .btn-hero-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(255, 107, 53, 0.55);
        }

        .btn-hero-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(6px);
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            padding: 16px 36px;
            border-radius: 28px;
            font-size: var(--font-md);
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.28);
            border-color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(255, 255, 255, 0.2);
        }

        /* Section 通用 */
        .section {
            padding: 72px 0;
        }

        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }

        .section-accent-bg {
            background: linear-gradient(180deg, #F8F7FC 0%, #F0EBFA 100%);
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-label {
            display: inline-block;
            background: rgba(108, 43, 217, 0.08);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: var(--font-xs);
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: var(--font-3xl);
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-subtitle {
            font-size: var(--font-lg);
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-dark .section-subtitle {
            color: var(--text-light);
        }

        /* 价值主张 */
        .value-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .value-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .value-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }

        .value-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(108, 43, 217, 0.1), rgba(139, 92, 246, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.5rem;
            color: var(--primary);
        }

        .value-card h3 {
            font-size: var(--font-lg);
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

        .value-card p {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 功能分组 */
        .feature-block {
            display: flex;
            align-items: center;
            gap: 48px;
            margin-bottom: 56px;
        }

        .feature-block:last-child {
            margin-bottom: 0;
        }

        .feature-block.reverse {
            flex-direction: row-reverse;
        }

        .feature-img-wrap {
            flex: 0 0 420px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .feature-img-wrap img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .feature-img-wrap:hover img {
            transform: scale(1.04);
        }

        .feature-info {
            flex: 1;
        }

        .feature-info .feature-tag {
            display: inline-block;
            background: rgba(0, 201, 167, 0.12);
            color: var(--teal-dark);
            padding: 5px 14px;
            border-radius: 16px;
            font-size: var(--font-xs);
            font-weight: 600;
            margin-bottom: 12px;
        }

        .feature-info h3 {
            font-size: var(--font-2xl);
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text);
            line-height: 1.3;
        }

        .feature-info p {
            font-size: var(--font-md);
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .feature-list li i {
            color: var(--teal);
            font-size: 1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* 使用场景 */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scene-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .scene-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .scene-card-img {
            height: 200px;
            overflow: hidden;
        }

        .scene-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .scene-card:hover .scene-card-img img {
            transform: scale(1.06);
        }

        .scene-card-body {
            padding: 22px 20px;
        }

        .scene-card-body h4 {
            font-size: var(--font-lg);
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .scene-card-body p {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 成功案例/数据 */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-bottom: 48px;
        }

        .stat-card {
            background: var(--bg-dark-secondary);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition);
        }

        .stat-card:hover {
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }

        .stat-number {
            font-size: var(--font-3xl);
            font-weight: 800;
            color: #FFD700;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: var(--font-sm);
            color: var(--text-light);
            font-weight: 500;
        }

        .case-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .case-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .case-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .case-card .case-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }

        .case-card h4 {
            font-size: var(--font-md);
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .case-card .case-meta {
            font-size: var(--font-xs);
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 10px;
        }

        .case-card p {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 价格 */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }

        .pricing-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 36px 28px;
            border: 2px solid var(--border);
            text-align: center;
            transition: all var(--transition);
            position: relative;
            box-shadow: var(--shadow-sm);
        }

        .pricing-card.featured {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: scale(1.03);
            z-index: 2;
            background: #fff;
        }

        .pricing-card.featured::before {
            content: '最受欢迎';
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #fff;
            padding: 5px 20px;
            border-radius: 16px;
            font-size: var(--font-xs);
            font-weight: 700;
            letter-spacing: 0.03em;
        }

        .pricing-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }

        .pricing-card.featured:hover {
            transform: scale(1.03) translateY(-4px);
        }

        .pricing-name {
            font-size: var(--font-xl);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .pricing-price {
            font-size: var(--font-3xl);
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .pricing-price span {
            font-size: var(--font-base);
            font-weight: 500;
            color: var(--text-light);
        }

        .pricing-desc {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            margin-bottom: 22px;
            line-height: 1.5;
        }

        .pricing-features {
            list-style: none;
            text-align: left;
            margin-bottom: 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .pricing-features li {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .pricing-features li i {
            color: var(--teal);
            flex-shrink: 0;
        }

        .btn-pricing {
            display: inline-block;
            width: 100%;
            padding: 14px 24px;
            border-radius: 28px;
            font-weight: 700;
            font-size: var(--font-md);
            letter-spacing: 0.02em;
            transition: all var(--transition);
            background: var(--bg);
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-pricing:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }

        .pricing-card.featured .btn-pricing {
            background: var(--primary);
            color: #fff;
        }

        .pricing-card.featured .btn-pricing:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-glow);
        }

        /* 信任背书 */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .trust-item {
            text-align: center;
            padding: 28px 16px;
            border-radius: var(--radius-lg);
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .trust-item:hover {
            box-shadow: var(--shadow);
            transform: translateY(-3px);
        }

        .trust-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .trust-item h4 {
            font-size: var(--font-md);
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }

        .trust-item p {
            font-size: var(--font-xs);
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow);
        }

        .faq-question {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: var(--font-md);
            color: var(--text);
            user-select: none;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question i {
            transition: transform var(--transition);
            color: var(--text-light);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition);
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            padding: 64px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            top: -120px;
            right: -80px;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            bottom: -100px;
            left: -60px;
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: var(--font-3xl);
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .cta-section p {
            font-size: var(--font-lg);
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            color: var(--primary);
            padding: 18px 44px;
            border-radius: 30px;
            font-size: var(--font-lg);
            font-weight: 700;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.2);
        }

        .btn-cta-large:hover {
            transform: translateY(-4px);
            box-shadow: 0 18px 44px rgba(0, 0, 0, 0.3);
            background: #FFD700;
            color: #1A1333;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: 56px 0 28px;
            border-top: 4px solid var(--primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand .logo-link {
            color: #fff;
            margin-bottom: 14px;
            display: inline-flex;
        }

        .footer-brand p {
            font-size: var(--font-sm);
            color: var(--text-light);
            line-height: 1.7;
            margin-top: 8px;
        }

        .footer-col h4 {
            font-size: var(--font-md);
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: var(--font-sm);
            color: var(--text-light);
            padding: 4px 0;
            transition: all var(--transition-fast);
        }

        .footer-col a:hover {
            color: #FFD700;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            font-size: var(--font-xs);
            color: var(--text-light);
            align-items: center;
            justify-content: center;
            text-align: center;
        }

        .footer-links-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-links-row a {
            color: var(--text-light);
            transition: color var(--transition-fast);
        }

        .footer-links-row a:hover {
            color: #FFD700;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .value-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-block {
                flex-direction: column !important;
                gap: 28px;
            }
            .feature-img-wrap {
                flex: 0 0 auto;
                width: 100%;
            }
            .feature-img-wrap img {
                height: 240px;
            }
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .pricing-card.featured {
                transform: scale(1);
            }
            .pricing-card.featured:hover {
                transform: scale(1) translateY(-4px);
            }
            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .hero-kv {
                min-height: 520px;
            }
            .hero-kv h1 {
                font-size: var(--font-3xl);
            }
        }

        @media (max-width: 768px) {
            .nav-list {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: var(--bg-white);
                flex-direction: column;
                padding: 80px 24px 30px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                transition: right var(--transition);
                z-index: 999;
                overflow-y: auto;
            }
            .nav-list.open {
                right: 0;
            }
            .nav-list a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius);
                font-size: var(--font-base);
            }
            .nav-toggle {
                display: block;
            }
            .value-grid {
                grid-template-columns: 1fr;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .case-cards {
                grid-template-columns: 1fr;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
            }
            .pricing-card.featured {
                transform: scale(1);
            }
            .pricing-card.featured:hover {
                transform: scale(1) translateY(-4px);
            }
            .trust-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: var(--font-2xl);
            }
            .hero-kv {
                min-height: 440px;
            }
            .hero-kv h1 {
                font-size: var(--font-2xl);
            }
            .hero-kv-desc {
                font-size: var(--font-base);
            }
            .countdown-bar {
                padding: 14px 16px;
                gap: 10px;
            }
            .countdown-num {
                font-size: var(--font-xl);
                min-width: 36px;
                padding: 4px 8px;
            }
            .hero-btns {
                flex-direction: column;
                align-items: center;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                max-width: 280px;
                justify-content: center;
                padding: 14px 28px;
                font-size: var(--font-base);
            }
            .breadcrumb-list {
                font-size: var(--font-xs);
            }
        }

        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: 1fr;
            }
            .trust-grid {
                grid-template-columns: 1fr;
            }
            .hero-kv {
                min-height: 380px;
            }
            .countdown-digits {
                gap: 4px;
            }
            .countdown-item {
                min-width: 38px;
            }
            .countdown-num {
                font-size: var(--font-lg);
                min-width: 30px;
                padding: 3px 6px;
            }
            .countdown-sep {
                font-size: var(--font-lg);
            }
            .container {
                padding: 0 16px;
            }
        }