/* roulang page: index */
:root {
            --bg-deep: #070b14;
            --bg-body: #0a0f1c;
            --bg-card: #121a2b;
            --bg-card-hover: #182236;
            --bg-section-alt: #0d1424;
            --border-color: rgba(108, 92, 231, 0.18);
            --border-hover: rgba(108, 92, 231, 0.5);
            --text-primary: #eef2fb;
            --text-secondary: #a6b0c3;
            --text-muted: #6b788e;
            --accent-primary: #6c5ce7;
            --accent-secondary: #00d2a0;
            --accent-glow: rgba(108, 92, 231, 0.35);
            --accent-glow-alt: rgba(0, 210, 160, 0.3);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-full: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-accent: 0 4px 24px rgba(108, 92, 231, 0.3);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.35s ease;
            --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            display: block;
            border-radius: var(--radius-md);
        }

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

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

        ul,
        ol {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 100px 0;
            position: relative;
        }

        .section-alt {
            background: var(--bg-section-alt);
            border-top: 1px solid rgba(255, 255, 255, 0.03);
            border-bottom: 1px solid rgba(255, 255, 255, 0.03);
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(108, 92, 231, 0.12);
            border: 1px solid rgba(108, 92, 231, 0.3);
            border-radius: var(--radius-full);
            color: var(--accent-secondary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: clamp(30px, 4.2vw, 44px);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #ffffff 20%, #aab4ff 90%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 18px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(7, 11, 20, 0.88);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(108, 92, 231, 0.15);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 21px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.3px;
            line-height: 1.2;
            flex-shrink: 0;
        }

        .brand-logo i {
            color: var(--accent-secondary);
            font-size: 24px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .brand-logo span {
            background: linear-gradient(135deg, #ffffff 30%, #b8c0ff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .main-nav a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: var(--radius-full);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .main-nav a i {
            font-size: 13px;
        }

        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(108, 92, 231, 0.08);
            border-color: rgba(108, 92, 231, 0.2);
            transform: translateY(-1px);
        }

        .main-nav a.active {
            color: var(--text-primary);
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.2), rgba(0, 210, 160, 0.12));
            border-color: rgba(108, 92, 231, 0.5);
            box-shadow: 0 0 20px rgba(108, 92, 231, 0.2);
            position: relative;
        }

        .main-nav a.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--accent-secondary);
            border-radius: 2px;
            box-shadow: 0 0 12px var(--accent-secondary);
        }

        .nav-cta {
            margin-left: 12px;
            padding: 8px 22px !important;
            background: linear-gradient(135deg, var(--accent-primary), #8b5cf6) !important;
            color: #fff !important;
            border-radius: var(--radius-full) !important;
            font-weight: 600 !important;
            border: none !important;
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.35) !important;
        }

        .nav-cta:hover {
            transform: translateY(-2px) !important;
            box-shadow: 0 8px 30px rgba(108, 92, 231, 0.5) !important;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .nav-toggle span {
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 680px;
            display: flex;
            align-items: center;
            padding: 120px 0 100px;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            z-index: 0;
        }

        .hero-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 11, 20, 0.96) 20%, rgba(7, 11, 20, 0.7) 60%, rgba(7, 11, 20, 0.9) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 760px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 8px 20px;
            background: rgba(0, 210, 160, 0.1);
            border: 1px solid rgba(0, 210, 160, 0.3);
            border-radius: var(--radius-full);
            font-size: 14px;
            color: var(--accent-secondary);
            margin-bottom: 28px;
            font-weight: 500;
        }

        .hero-badge i {
            font-size: 12px;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        .hero-title {
            font-size: clamp(38px, 6vw, 64px);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -1.2px;
            margin-bottom: 24px;
            background: linear-gradient(120deg, #ffffff 0%, #d0d6ff 40%, #7ee8c2 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-text {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 36px;
            max-width: 580px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 48px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-size: 16px;
            font-weight: 600;
            line-height: 1.4;
            cursor: pointer;
            transition: all var(--transition-normal);
            border: 1px solid transparent;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-primary), #8b5cf6);
            color: #fff;
            box-shadow: 0 8px 32px rgba(108, 92, 231, 0.35);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(108, 92, 231, 0.5);
            color: #fff;
        }

        .btn-outline {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--text-primary);
            backdrop-filter: blur(10px);
        }

        .btn-outline:hover {
            border-color: var(--accent-secondary);
            color: var(--accent-secondary);
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(0, 210, 160, 0.15);
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }

        .hero-stat {
            text-align: left;
        }

        .hero-stat strong {
            font-size: 30px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-secondary), #7ee8c2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: block;
            line-height: 1.2;
        }

        .hero-stat span {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 4px;
            display: block;
        }

        /* Feature Cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
            opacity: 0;
            transition: opacity var(--transition-normal);
        }

        .feature-card:hover {
            transform: translateY(-8px);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-lg);
            background: var(--bg-card-hover);
        }

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

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.2), rgba(0, 210, 160, 0.15));
            color: var(--accent-secondary);
            border: 1px solid rgba(108, 92, 231, 0.25);
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Category Cards */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            transition: all var(--transition-normal);
            background: var(--bg-card);
        }

        .category-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
            border-radius: 0;
            opacity: 0.4;
        }

        .category-card:hover img {
            transform: scale(1.05);
            opacity: 0.6;
        }

        .category-card::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 20%, rgba(7, 11, 20, 0.95) 100%);
        }

        .category-card-body {
            position: relative;
            z-index: 2;
            padding: 32px;
            width: 100%;
        }

        .category-card-body .tag {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(0, 210, 160, 0.15);
            border: 1px solid rgba(0, 210, 160, 0.3);
            border-radius: var(--radius-full);
            color: var(--accent-secondary);
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .category-card-body h3 {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 8px;
            color: #fff;
        }

        .category-card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 18px;
            max-width: 360px;
        }

        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--accent-secondary);
            transition: gap var(--transition-fast);
        }

        .category-link:hover {
            gap: 14px;
            color: var(--accent-secondary);
        }

        /* Latest News */
        .news-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-normal);
        }

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

        .news-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.5s ease;
        }

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

        .news-thumb .news-cat {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 4px 14px;
            background: rgba(7, 11, 20, 0.75);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(108, 92, 231, 0.4);
            border-radius: var(--radius-full);
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-secondary);
            z-index: 2;
        }

        .news-body {
            padding: 22px;
        }

        .news-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .news-body h3 a {
            color: var(--text-primary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-body h3 a:hover {
            color: var(--accent-secondary);
        }

        .news-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 14px;
        }

        .news-meta i {
            margin-right: 6px;
            font-size: 12px;
            color: var(--accent-secondary);
        }

        .empty-tip {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            background: var(--bg-card);
            border: 1px dashed var(--border-color);
            border-radius: var(--radius-lg);
            color: var(--text-muted);
            font-size: 16px;
        }

        .news-more {
            text-align: center;
            margin-top: 44px;
        }

        /* Data Section */
        .data-section {
            background: var(--bg-section-alt);
            border-top: 1px solid rgba(255, 255, 255, 0.03);
            border-bottom: 1px solid rgba(255, 255, 255, 0.03);
            position: relative;
            overflow: hidden;
        }

        .data-section::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.15), transparent 70%);
            border-radius: 50%;
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .data-item {
            padding: 30px 20px;
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-lg);
            transition: all var(--transition-normal);
        }

        .data-item:hover {
            background: rgba(108, 92, 231, 0.08);
            border-color: rgba(108, 92, 231, 0.3);
            transform: translateY(-4px);
        }

        .data-item strong {
            font-size: 40px;
            font-weight: 900;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: block;
            margin-bottom: 8px;
        }

        .data-item span {
            font-size: 15px;
            color: var(--text-secondary);
        }

        /* Steps */
        .steps-section {
            position: relative;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            position: relative;
        }

        .step-item {
            text-align: center;
            padding: 36px 24px;
            position: relative;
        }

        .step-num {
            width: 56px;
            height: 56px;
            margin: 0 auto 20px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 30px rgba(108, 92, 231, 0.3);
        }

        .step-item h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 260px;
            margin: 0 auto;
        }

        .step-item::after {
            content: "→";
            position: absolute;
            top: 50%;
            right: -16px;
            transform: translateY(-50%);
            color: var(--accent-primary);
            font-size: 28px;
            opacity: 0.6;
            font-weight: 300;
        }

        .step-item:last-child::after {
            display: none;
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            transition: all var(--transition-normal);
        }

        .faq-item:hover,
        .faq-item.active {
            border-color: rgba(108, 92, 231, 0.4);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 22px 28px;
            cursor: pointer;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            user-select: none;
        }

        .faq-question i {
            color: var(--accent-secondary);
            transition: transform var(--transition-fast);
            font-size: 16px;
        }

        .faq-item.active .faq-question i {
            transform: rotate(45deg);
        }

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

        .faq-answer-inner {
            padding: 0 28px 22px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            position: relative;
            text-align: center;
            padding: 100px 0;
            overflow: hidden;
        }

        .cta-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            z-index: 0;
        }

        .cta-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(7, 11, 20, 0.88);
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: clamp(30px, 4vw, 42px);
            font-weight: 800;
            margin-bottom: 16px;
            color: #fff;
        }

        .cta-content p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 32px;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 60px 0 30px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.5fr 0.8fr 1.2fr;
            gap: 48px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 14px;
            background: linear-gradient(135deg, #ffffff 30%, #b8c0ff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 300px;
        }

        .footer-links h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-links a {
            display: block;
            padding: 6px 0;
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--accent-secondary);
            padding-left: 6px;
        }

        .footer-contact h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-contact p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--accent-secondary);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
        }

        .footer-bottom a:hover {
            color: var(--accent-secondary);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .section {
                padding: 80px 0;
            }

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

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

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

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .step-item:nth-child(2)::after {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }

            .section {
                padding: 60px 0;
            }

            .section-head {
                margin-bottom: 40px;
            }

            .nav-toggle {
                display: flex;
            }

            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(7, 11, 20, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: 20px;
                gap: 8px;
                border-bottom: 1px solid rgba(108, 92, 231, 0.2);
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition-normal);
                z-index: 999;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
            }

            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
            }

            .main-nav a {
                padding: 14px 20px;
                justify-content: center;
            }

            .nav-cta {
                margin: 8px 0 0;
            }

            .nav-toggle.open span:nth-child(1) {
                transform: translateY(7px) rotate(45deg);
            }

            .nav-toggle.open span:nth-child(2) {
                opacity: 0;
            }

            .nav-toggle.open span:nth-child(3) {
                transform: translateY(-7px) rotate(-45deg);
            }

            .hero {
                min-height: auto;
                padding: 100px 0 80px;
            }

            .hero-title {
                font-size: 34px;
            }

            .hero-text {
                font-size: 16px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .btn {
                width: 100%;
            }

            .hero-stats {
                gap: 24px;
            }

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

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

            .news-list {
                grid-template-columns: 1fr;
            }

            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .data-item strong {
                font-size: 30px;
            }

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

            .step-item::after {
                display: none;
            }

            .faq-question {
                padding: 18px 20px;
                font-size: 15px;
            }

            .faq-answer-inner {
                padding: 0 20px 18px;
                font-size: 14px;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .cta-section {
                padding: 70px 0;
            }

            .cta-buttons {
                flex-direction: column;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .header-inner {
                height: 64px;
            }

            .brand-logo {
                font-size: 17px;
            }

            .brand-logo i {
                font-size: 19px;
            }

            .hero {
                padding: 80px 0 60px;
            }

            .hero-title {
                font-size: 28px;
                letter-spacing: -0.5px;
            }

            .hero-text {
                font-size: 15px;
                line-height: 1.7;
            }

            .hero-badge {
                font-size: 12px;
            }

            .hero-stat strong {
                font-size: 24px;
            }

            .feature-card {
                padding: 24px 20px;
            }

            .feature-card h3 {
                font-size: 16px;
            }

            .section-title {
                font-size: 26px;
            }

            .section-subtitle {
                font-size: 14px;
            }

            .category-card {
                min-height: 240px;
            }

            .category-card-body {
                padding: 24px;
            }

            .category-card-body h3 {
                font-size: 20px;
            }

            .news-body h3 {
                font-size: 16px;
            }

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

            .data-item {
                padding: 24px 16px;
            }

            .data-item strong {
                font-size: 34px;
            }

            .footer-bottom {
                font-size: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #070b14;
            --bg-secondary: #0d1424;
            --bg-card: rgba(255, 255, 255, 0.045);
            --bg-card-hover: rgba(255, 255, 255, 0.08);
            --bg-gradient: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(123, 97, 255, 0.12));
            --accent: #00e5ff;
            --accent-2: #7b61ff;
            --accent-glow: 0 0 20px rgba(0, 229, 255, 0.35);
            --text-primary: #f0f4ff;
            --text-secondary: #9aa8b9;
            --text-muted: #5f6f82;
            --border: rgba(255, 255, 255, 0.08);
            --border-accent: rgba(0, 229, 255, 0.35);
            --radius: 18px;
            --radius-sm: 12px;
            --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.55);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --container: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background:
                radial-gradient(ellipse at 15% 0%, rgba(123, 97, 255, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 10%, rgba(0, 229, 255, 0.08) 0%, transparent 50%);
            pointer-events: none;
            z-index: -1;
        }

        img {
            max-width: 100%;
            display: block;
            border-radius: var(--radius-sm);
        }

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

        button, input, select {
            font: inherit;
            color: inherit;
            border: none;
            background: none;
        }

        ul, ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(7, 11, 20, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 24px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.5px;
            background: linear-gradient(120deg, var(--accent), var(--accent-2));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .brand-logo i {
            font-size: 26px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-accent);
            border-radius: 12px;
            padding: 8px;
            -webkit-text-fill-color: var(--accent);
            box-shadow: 0 0 18px rgba(0, 229, 255, 0.15);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 10px 4px;
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .main-nav a i {
            font-size: 15px;
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--accent), var(--accent-2));
            transition: var(--transition);
            box-shadow: var(--accent-glow);
        }

        .main-nav a:hover {
            color: var(--text-primary);
        }

        .main-nav a:hover::after {
            width: 100%;
        }

        .main-nav a.active {
            color: var(--accent);
        }

        .main-nav a.active::after {
            width: 100%;
        }

        .main-nav a.nav-cta {
            background: linear-gradient(135deg, var(--accent), var(--accent-2));
            color: #fff;
            padding: 10px 22px;
            border-radius: 100px;
            font-weight: 700;
            border: 1px solid var(--border-accent);
            box-shadow: 0 4px 20px rgba(0, 229, 255, 0.25);
        }

        .main-nav a.nav-cta::after {
            display: none;
        }

        .main-nav a.nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 229, 255, 0.4);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
        }

        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            padding: 56px 0 64px;
            background: linear-gradient(rgba(7, 11, 20, 0.72), rgba(7, 11, 20, 0.88)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 229, 255, 0.15), transparent 65%);
            pointer-events: none;
        }

        .banner-inner {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

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

        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 12px;
        }

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

        .banner-title {
            font-size: clamp(32px, 5vw, 52px);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .banner-title span {
            background: linear-gradient(120deg, var(--accent), var(--accent-2));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .banner-desc {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .banner-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 229, 255, 0.08);
            border: 1px solid var(--border-accent);
            border-radius: 100px;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 500;
            color: var(--accent);
        }

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: var(--bg-secondary);
        }

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

        .section-overline {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 3px;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 12px;
            border: 1px solid var(--border-accent);
            padding: 6px 18px;
            border-radius: 100px;
            background: rgba(0, 229, 255, 0.06);
        }

        .section-title {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .section-desc {
            color: var(--text-secondary);
            font-size: 17px;
            max-width: 640px;
            margin: 0 auto;
        }

        /* ===== Entry Cards ===== */
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 16px;
        }

        .entry-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px 28px;
            position: relative;
            overflow: hidden;
            transition: var(--transition);
        }

        .entry-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--accent-2));
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition);
        }

        .entry-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-accent);
            transform: translateY(-8px);
            box-shadow: var(--shadow);
        }

        .entry-card:hover::before {
            transform: scaleX(1);
        }

        .entry-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--bg-gradient);
            border: 1px solid var(--border-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent);
            margin-bottom: 22px;
        }

        .entry-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .entry-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== Article List ===== */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .article-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .article-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-accent);
            box-shadow: var(--shadow);
        }

        .article-cover {
            position: relative;
            padding-top: 62%;
            overflow: hidden;
        }

        .article-cover img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .article-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(7, 11, 20, 0.55), transparent 40%);
        }

        .article-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: rgba(0, 229, 255, 0.9);
            color: #071118;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 100px;
            letter-spacing: 0.5px;
        }

        .article-body {
            padding: 26px 24px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .article-body h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 12px;
            transition: var(--transition);
        }

        .article-body h3 a:hover {
            color: var(--accent);
        }

        .article-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
            flex: 1;
        }

        .article-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            padding-top: 16px;
            margin-top: auto;
        }

        .article-meta i {
            font-size: 12px;
            color: var(--accent);
        }

        /* ===== Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step;
        }

        .step-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px 28px;
            position: relative;
            transition: var(--transition);
        }

        .step-item:hover {
            border-color: var(--border-accent);
            box-shadow: var(--shadow);
            transform: translateY(-4px);
        }

        .step-number {
            font-size: 40px;
            font-weight: 800;
            line-height: 1;
            background: linear-gradient(135deg, var(--accent), var(--accent-2));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            opacity: 0.25;
            margin-bottom: 16px;
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ===== Safety ===== */
        .safety-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .safety-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px;
            display: flex;
            gap: 20px;
            transition: var(--transition);
            align-items: flex-start;
        }

        .safety-card:hover {
            border-color: rgba(123, 97, 255, 0.4);
            box-shadow: var(--shadow);
        }

        .safety-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(123, 97, 255, 0.12);
            border: 1px solid rgba(123, 97, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent-2);
        }

        .safety-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .safety-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-item summary {
            cursor: pointer;
            padding: 26px 32px;
            font-size: 17px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 16px;
            list-style: none;
            position: relative;
            transition: var(--transition);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::before {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--accent);
            transition: var(--transition);
            margin-left: auto;
        }

        .faq-item[open] summary::before {
            transform: rotate(180deg);
        }

        .faq-item[open] {
            border-color: var(--border-accent);
            box-shadow: var(--shadow);
        }

        .faq-answer {
            padding: 0 32px 26px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            border-top: 1px solid var(--border);
            margin-top: 0;
        }

        .faq-answer p {
            padding-top: 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            position: relative;
            background: linear-gradient(rgba(7, 11, 20, 0.8), rgba(7, 11, 20, 0.9)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .cta-inner {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-inner p {
            font-size: 17px;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 100px;
            font-size: 16px;
            font-weight: 700;
            transition: var(--transition);
            cursor: pointer;
            border: 1px solid var(--border-accent);
            background: linear-gradient(135deg, var(--accent), var(--accent-2));
            color: #fff;
            box-shadow: 0 6px 24px rgba(0, 229, 255, 0.3);
        }

        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 36px rgba(0, 229, 255, 0.45);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border-color: var(--border);
            box-shadow: none;
        }

        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: none;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding-top: 64px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border);
        }

        .footer-brand h3 {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(120deg, var(--accent), var(--accent-2));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-links h4,
        .footer-contact h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-primary);
        }

        .footer-links a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 6px 0;
            transition: var(--transition);
        }

        .footer-links a::before {
            content: '\f105';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 12px;
            color: var(--accent);
        }

        .footer-links a:hover {
            color: var(--accent);
            transform: translateX(4px);
        }

        .footer-contact p {
            font-size: 14px;
            color: var(--text-secondary);
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact p i {
            color: var(--accent);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            text-align: center;
            padding: 24px 0;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== Focus ===== */
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 4px;
            border-radius: 4px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

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

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

            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 68px;
            }

            .site-header {
                position: sticky;
            }

            .main-nav {
                position: fixed;
                top: 0;
                right: 0;
                width: 300px;
                height: 100vh;
                background: rgba(7, 11, 20, 0.98);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                flex-direction: column;
                align-items: flex-start;
                padding: 100px 32px 40px;
                gap: 8px;
                transform: translateX(100%);
                transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
                box-shadow: var(--shadow-lg);
                border-left: 1px solid var(--border);
            }

            .main-nav.open {
                transform: translateX(0);
            }

            .main-nav a {
                font-size: 16px;
                padding: 12px 8px;
                width: 100%;
                border-bottom: 1px solid var(--border);
                border-radius: 0;
            }

            .main-nav a::after {
                display: none;
            }

            .main-nav a.nav-cta {
                margin-top: 24px;
                justify-content: center;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-toggle.active span:nth-child(1) {
                transform: rotate(45deg) translate(5px, 5px);
            }

            .nav-toggle.active span:nth-child(2) {
                opacity: 0;
            }

            .nav-toggle.active span:nth-child(3) {
                transform: rotate(-45deg) translate(5px, -5px);
            }

            .page-banner {
                padding: 44px 0 52px;
            }

            .banner-desc {
                font-size: 16px;
            }

            .section {
                padding: 60px 0;
            }

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

            .entry-grid,
            .steps-grid,
            .article-grid,
            .safety-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .faq-item summary {
                padding: 20px 22px;
                font-size: 15px;
            }

            .faq-answer {
                padding: 0 22px 20px;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-bottom: 32px;
            }

            .cta-section {
                padding: 60px 0;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

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

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .brand-logo {
                font-size: 17px;
                gap: 8px;
            }

            .brand-logo i {
                font-size: 20px;
                padding: 6px;
            }

            .banner-title {
                font-size: 28px;
            }

            .banner-tags .tag {
                font-size: 13px;
                padding: 6px 14px;
            }

            .faq-item summary {
                padding: 18px;
            }

            .faq-answer {
                padding: 0 18px 18px;
            }

            .entry-card,
            .step-item,
            .safety-card {
                padding: 24px 20px;
            }

            .article-body {
                padding: 20px 18px 22px;
            }
        }

/* roulang page: article */
:root {
    --bg-body: #0a0e17;
    --bg-header: rgba(10, 14, 23, .9);
    --bg-panel: #111927;
    --bg-card: #151e2f;
    --bg-soft: #0d1420;
    --neon-cyan: #00e5ff;
    --neon-purple: #8b5cf6;
    --neon-pink: #f43f5e;
    --text-main: #f1f5f9;
    --text-body: #cbd5e1;
    --text-weak: #64748b;
    --border: rgba(148, 163, 184, .12);
    --border-neon: rgba(0, 229, 255, .25);
    --radius: 14px;
    --radius-sm: 10px;
    --radius-lg: 22px;
    --shadow-card: 0 8px 30px rgba(0, 0, 0, .35);
    --shadow-neon: 0 0 30px rgba(0, 229, 255, .08);
    --container: 1240px;
    --header-height: 76px;
    --transition: all .3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-body);
    color: var(--text-body);
    line-height: 1.75;
    font-size: 16px;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button, input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
h1, h2, h3, h4, h5, h6 { color: var(--text-main); font-weight: 700; line-height: 1.3; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
    padding: .8rem 1.6rem; border-radius: var(--radius-sm); font-weight: 600;
    font-size: .95rem; line-height: 1.2; border: 1px solid transparent;
    cursor: pointer; transition: var(--transition); text-align: center;
}
.btn-primary {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    color: #fff; box-shadow: 0 4px 20px rgba(0, 229, 255, .25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0, 229, 255, .4); }
.btn-outline {
    background: transparent; border-color: var(--border-neon); color: var(--neon-cyan);
}
.btn-outline:hover { background: rgba(0, 229, 255, .1); border-color: var(--neon-cyan); transform: translateY(-2px); }
.btn-ghost { background: rgba(255, 255, 255, .05); border-color: var(--border); color: var(--text-main); }
.btn-ghost:hover { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .2); }
.btn-lg { padding: 1rem 2.2rem; font-size: 1.1rem; border-radius: var(--radius); }

.site-header {
    position: sticky; top: 0; z-index: 100; height: var(--header-height);
    background: var(--bg-header);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, .3);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; gap: 1rem; }
.brand-logo { display: flex; align-items: center; gap: .7rem; font-size: 1.15rem; font-weight: 800; color: var(--text-main); white-space: nowrap; }
.brand-logo i { font-size: 1.4rem; color: var(--neon-cyan); filter: drop-shadow(0 0 8px rgba(0, 229, 255, .5)); }
.brand-logo:hover { color: var(--neon-cyan); }
.main-nav { display: flex; align-items: center; gap: .4rem; }
.main-nav a {
    display: inline-flex; align-items: center; gap: .45rem; padding: .55rem 1rem;
    border-radius: 10px; font-size: .92rem; font-weight: 500; color: var(--text-body);
    position: relative; white-space: nowrap;
}
.main-nav a i { font-size: .9rem; }
.main-nav a:hover { color: var(--neon-cyan); background: rgba(0, 229, 255, .06); }
.main-nav a.active {
    color: var(--neon-cyan); background: rgba(0, 229, 255, .08);
    box-shadow: inset 0 0 20px rgba(0, 229, 255, .05);
}
.main-nav a.active::after {
    content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
    width: 28px; height: 2px; border-radius: 2px;
    background: var(--neon-cyan); box-shadow: 0 0 10px rgba(0, 229, 255, .8);
}
.main-nav a.nav-cta {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    color: #fff; font-weight: 700; padding: .6rem 1.2rem; border-radius: 10px;
    box-shadow: 0 4px 16px rgba(0, 229, 255, .3); margin-left: .4rem;
}
.main-nav a.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 229, 255, .45); color: #fff; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; cursor: pointer; background: transparent; border: none; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text-main); border-radius: 2px; transition: var(--transition); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.article-hero {
    position: relative; padding: 96px 0 72px;
    background: linear-gradient(135deg, rgba(10, 14, 23, .92), rgba(17, 25, 39, .85)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}
.article-hero::before {
    content: ''; position: absolute; top: -60px; right: -60px; width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(0, 229, 255, .15), transparent 70%); pointer-events: none;
}
.article-hero::after {
    content: ''; position: absolute; bottom: -40px; left: 30%; width: 250px; height: 250px;
    background: radial-gradient(circle, rgba(139, 92, 246, .12), transparent 70%); pointer-events: none;
}
.article-hero .container { position: relative; z-index: 1; }
.article-breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem; font-size: .85rem; color: var(--text-weak); margin-bottom: 1.2rem; }
.article-breadcrumb a:hover { color: var(--neon-cyan); }
.article-breadcrumb i { font-size: .7rem; color: var(--text-weak); }
.article-badge {
    display: inline-block; padding: .3rem .9rem; border-radius: 20px;
    background: rgba(0, 229, 255, .1); border: 1px solid var(--border-neon);
    color: var(--neon-cyan); font-size: .8rem; font-weight: 600; letter-spacing: .5px;
    margin-bottom: 1rem;
}
.article-hero h1 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800; color: var(--text-main); line-height: 1.35;
    max-width: 900px; margin-bottom: 1.1rem;
    text-shadow: 0 4px 30px rgba(0, 0, 0, .5);
}
.article-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 1.4rem; font-size: .9rem; color: var(--text-weak); }
.article-meta span { display: inline-flex; align-items: center; gap: .45rem; }
.article-meta i { color: var(--neon-cyan); font-size: .85rem; }

.article-main-section { padding: 64px 0; border-bottom: 1px solid var(--border); }
.article-layout { display: flex; gap: 40px; align-items: flex-start; }
.article-main { flex: 1; min-width: 0; }
.article-card {
    background: var(--bg-panel); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: clamp(1.5rem, 3vw, 2.5rem);
    box-shadow: var(--shadow-card);
}
.article-eyebrow { display: flex; align-items: center; gap: .4rem; font-size: .8rem; color: var(--text-weak); margin-bottom: 1.5rem; letter-spacing: 1px; text-transform: uppercase; }
.article-eyebrow i { color: var(--neon-cyan); }
.article-content { font-size: 1.02rem; line-height: 1.85; color: var(--text-body); }
.article-content h2 {
    font-size: 1.45rem; color: var(--text-main); margin: 2.2rem 0 1rem;
    padding-left: 1rem; border-left: 3px solid var(--neon-cyan);
    border-radius: 0 4px 4px 0;
}
.article-content h3 { font-size: 1.2rem; color: var(--text-main); margin: 1.8rem 0 .8rem; }
.article-content p { margin-bottom: 1.2rem; }
.article-content img { border-radius: var(--radius); margin: 1.8rem 0; box-shadow: var(--shadow-card); }
.article-content a { color: var(--neon-cyan); text-decoration: underline; text-underline-offset: 4px; }
.article-content a:hover { text-decoration: none; color: #fff; }
.article-content ul, .article-content ol { margin: 1rem 0 1.5rem 1.4rem; }
.article-content ul li, .article-content ol li { margin-bottom: .55rem; position: relative; padding-left: .6rem; }
.article-content ul li::before {
    content: ''; position: absolute; left: -1rem; top: .72em;
    width: 6px; height: 6px; border-radius: 50%; background: var(--neon-cyan);
    box-shadow: 0 0 8px rgba(0, 229, 255, .5);
}
.article-content blockquote {
    border-left: 3px solid var(--neon-purple); background: rgba(139, 92, 246, .08);
    padding: 1rem 1.4rem; border-radius: 0 var(--radius) var(--radius) 0;
    margin: 1.6rem 0; font-style: italic; color: var(--text-body);
}
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content table { width: 100%; border-collapse: collapse; margin: 1.6rem 0; font-size: .93rem; }
.article-content th { background: rgba(0, 229, 255, .08); color: var(--text-main); font-weight: 600; padding: .8rem 1rem; text-align: left; border-bottom: 2px solid var(--border-neon); }
.article-content td { padding: .75rem 1rem; border-bottom: 1px solid var(--border); }
.article-content pre { background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.2rem; overflow-x: auto; margin: 1.6rem 0; font-size: .9rem; line-height: 1.6; }
.article-content code { font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace; background: rgba(0, 229, 255, .1); padding: .15rem .4rem; border-radius: 4px; font-size: .88em; color: var(--neon-cyan); }
.article-content pre code { background: transparent; padding: 0; color: inherit; }

.not-found-card {
    text-align: center; padding: 4rem 2rem;
}
.not-found-card i { font-size: 3.5rem; color: var(--neon-cyan); margin-bottom: 1.2rem; display: block; }
.not-found-card h2 { font-size: 1.8rem; margin-bottom: .8rem; }
.not-found-card p { color: var(--text-weak); margin-bottom: 1.8rem; }

.article-sidebar { width: 330px; flex-shrink: 0; display: flex; flex-direction: column; gap: 1.5rem; }
.sidebar-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1.8rem; box-shadow: var(--shadow-card);
    position: sticky; top: calc(var(--header-height) + 24px);
}
.sidebar-card h3 {
    font-size: 1.05rem; font-weight: 700; margin-bottom: 1rem;
    display: flex; align-items: center; gap: .5rem;
}
.sidebar-card h3 i { color: var(--neon-cyan); font-size: .95rem; }
.sidebar-card p { font-size: .92rem; color: var(--text-body); line-height: 1.8; }
.sidebar-info { display: flex; flex-direction: column; gap: .7rem; }
.sidebar-info li { display: flex; align-items: center; gap: .6rem; font-size: .9rem; color: var(--text-body); }
.sidebar-info li i { width: 18px; text-align: center; color: var(--neon-cyan); font-size: .85rem; }
.sidebar-tags { display: flex; flex-wrap: wrap; gap: .5rem; }
.sidebar-tags a {
    display: inline-block; padding: .3rem .8rem; border-radius: 20px;
    background: rgba(255, 255, 255, .04); border: 1px solid var(--border);
    font-size: .8rem; color: var(--text-body);
}
.sidebar-tags a:hover { border-color: var(--border-neon); color: var(--neon-cyan); background: rgba(0, 229, 255, .05); }
.sidebar-cta {
    position: sticky; top: calc(var(--header-height) + 24px);
    background: linear-gradient(135deg, rgba(0, 229, 255, .08), rgba(139, 92, 246, .08));
    border: 1px solid var(--border-neon); border-radius: var(--radius);
    padding: 2rem 1.8rem; text-align: center;
}
.sidebar-cta i { font-size: 2rem; color: var(--neon-cyan); margin-bottom: .8rem; display: block; }
.sidebar-cta h4 { font-size: 1.1rem; margin-bottom: .6rem; }
.sidebar-cta p { font-size: .85rem; color: var(--text-weak); margin-bottom: 1.2rem; line-height: 1.6; }
.sidebar-card:not(:first-child) { position: static; }

.related-section { padding: 64px 0; border-bottom: 1px solid var(--border); }
.section-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; margin-bottom: 2.5rem; }
.section-header .section-tag { font-size: .8rem; color: var(--neon-cyan); letter-spacing: 2px; text-transform: uppercase; margin-bottom: .4rem; display: block; }
.section-header h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; }
.section-header p { color: var(--text-weak); font-size: .95rem; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); overflow: hidden; display: block;
    transition: var(--transition); min-height: 320px;
}
.related-card:hover { transform: translateY(-6px); border-color: var(--border-neon); box-shadow: var(--shadow-card), var(--shadow-neon); }
.related-img { position: relative; height: 180px; overflow: hidden; }
.related-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.related-card:hover .related-img img { transform: scale(1.06); }
.related-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, var(--bg-card), transparent 70%); }
.related-tag {
    position: absolute; left: 1rem; top: 1rem; z-index: 2;
    padding: .25rem .75rem; border-radius: 20px; font-size: .75rem; font-weight: 600;
    background: rgba(0, 229, 255, .2); border: 1px solid var(--border-neon);
    color: var(--neon-cyan); backdrop-filter: blur(8px);
}
.related-body { padding: 1.4rem 1.6rem 1.6rem; }
.related-body h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: .5rem; transition: var(--transition); }
.related-card:hover .related-body h3 { color: var(--neon-cyan); }
.related-body p { font-size: .88rem; color: var(--text-weak); line-height: 1.7; margin-bottom: .8rem; }
.related-link { display: inline-flex; align-items: center; gap: .4rem; font-size: .85rem; color: var(--neon-cyan); font-weight: 600; }
.related-link i { transition: transform .3s; font-size: .8rem; }
.related-card:hover .related-link i { transform: translateX(4px); }

.faq-section { padding: 64px 0; border-bottom: 1px solid var(--border); }
.faq-grid { max-width: 860px; margin: 0 auto; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 1rem; overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: var(--border-neon); }
.faq-item summary {
    padding: 1.2rem 1.5rem; cursor: pointer; font-weight: 600;
    color: var(--text-main); list-style: none;
    display: flex; justify-content: space-between; align-items: center;
    transition: var(--transition); user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: '+'; font-size: 1.4rem; font-weight: 400; color: var(--neon-cyan);
    transition: transform .3s ease; line-height: 1;
}
.faq-item details[open] summary { color: var(--neon-cyan); }
.faq-item details[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-answer { padding: 0 1.5rem 1.4rem; color: var(--text-body); font-size: .95rem; line-height: 1.8; }
.faq-item .faq-answer p:last-child { margin-bottom: 0; }

.cta-section {
    position: relative; padding: 80px 0;
    background: linear-gradient(135deg, rgba(10, 14, 23, .92), rgba(17, 25, 39, .88)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    text-align: center; overflow: hidden;
}
.cta-section::before {
    content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    width: 600px; height: 300px; pointer-events: none;
    background: radial-gradient(ellipse, rgba(0, 229, 255, .12), transparent 70%);
}
.cta-inner { position: relative; z-index: 1; max-width: 700px; margin: 0 auto; }
.cta-inner .section-tag { font-size: .8rem; color: var(--neon-cyan); letter-spacing: 2px; text-transform: uppercase; margin-bottom: .5rem; display: block; }
.cta-inner h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); font-weight: 800; margin-bottom: 1rem; }
.cta-inner p { color: var(--text-body); font-size: 1rem; line-height: 1.8; margin-bottom: 2rem; }
.cta-buttons { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }

.site-footer { background: var(--bg-soft); border-top: 1px solid var(--border); padding: 60px 0 24px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 40px; }
.footer-brand h3 { font-size: 1.2rem; font-weight: 800; margin-bottom: .8rem; display: flex; align-items: center; gap: .6rem; }
.footer-brand h3 i { color: var(--neon-cyan); }
.footer-brand p { font-size: .9rem; color: var(--text-weak); line-height: 1.8; max-width: 360px; }
.footer-links h4, .footer-contact h4 { font-size: .95rem; font-weight: 700; margin-bottom: 1rem; color: var(--text-main); letter-spacing: .5px; }
.footer-links { display: flex; flex-direction: column; }
.footer-links a { font-size: .9rem; color: var(--text-body); padding: .3rem 0; }
.footer-links a:hover { color: var(--neon-cyan); padding-left: 4px; }
.footer-contact p { font-size: .88rem; color: var(--text-body); margin-bottom: .5rem; display: flex; align-items: center; gap: .5rem; }
.footer-contact i { color: var(--neon-cyan); width: 16px; font-size: .85rem; text-align: center; }
.footer-bottom {
    border-top: 1px solid var(--border); padding-top: 24px;
    display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: .5rem;
    font-size: .85rem; color: var(--text-weak); text-align: center;
}
.footer-bottom a { color: var(--text-body); }

@media (max-width: 1024px) {
    .article-layout { flex-direction: column; }
    .article-sidebar { width: 100%; flex-direction: row; flex-wrap: wrap; gap: 1rem; }
    .sidebar-card { flex: 1; min-width: 240px; position: static !important; }
    .sidebar-cta { flex: 1; min-width: 240px; position: static !important; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
    :root { --header-height: 64px; }
    .container { padding: 0 16px; }
    .main-nav {
        position: fixed; top: var(--header-height); left: 0; right: 0;
        background: var(--bg-header); backdrop-filter: blur(20px);
        flex-direction: column; align-items: stretch; padding: 1rem 1.5rem;
        border-bottom: 1px solid var(--border); box-shadow: 0 20px 40px rgba(0, 0, 0, .4);
        display: none; max-height: calc(100vh - var(--header-height)); overflow-y: auto;
    }
    .main-nav.open { display: flex; }
    .main-nav a { padding: .8rem 1rem; font-size: .95rem; }
    .main-nav a.nav-cta { margin: .5rem 0 0; justify-content: center; }
    .main-nav a.active::after { display: none; }
    .nav-toggle { display: flex; }
    .article-hero { padding: 64px 0 48px; }
    .article-hero h1 { font-size: 1.6rem; }
    .article-meta { gap: .8rem; font-size: .8rem; }
    .article-main-section { padding: 40px 0; }
    .related-grid { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; gap: 28px; }
    .section-header { flex-direction: column; align-items: flex-start; gap: .4rem; }
    .cta-section { padding: 56px 0; }
    .cta-buttons { flex-direction: column; align-items: center; }
    .cta-buttons .btn { width: 100%; max-width: 320px; }
}

@media (max-width: 520px) {
    .article-card { padding: 1.2rem; }
    .article-content { font-size: .95rem; }
    .article-hero h1 { font-size: 1.35rem; }
    .article-meta { flex-direction: column; align-items: flex-start; gap: .35rem; }
    .related-card { min-height: 0; }
    .related-img { height: 160px; }
    .footer-bottom { flex-direction: column; gap: .3rem; }
}

/* roulang page: category2 */
:root {
            --bg-primary: #090d16;
            --bg-secondary: #0e1522;
            --bg-card: #111c2d;
            --bg-card-hover: #16263b;
            --neon-cyan: #00e5ff;
            --neon-pink: #ff3d68;
            --gradient-accent: linear-gradient(135deg, #00e5ff, #0072ff);
            --text-light: #eef5ff;
            --text-body: #a8b9d0;
            --text-muted: #667a96;
            --border-glow: rgba(0, 229, 255, 0.14);
            --border-soft: rgba(255, 255, 255, 0.06);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 26px;
            --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 30px rgba(0, 229, 255, 0.15);
            --transition: all 0.3s ease;
            --container: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: var(--bg-primary);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

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

        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(9, 13, 22, 0.86);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--border-glow);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.45);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.22rem;
            font-weight: 900;
            letter-spacing: 0.04em;
            color: var(--text-light);
            transition: var(--transition);
            white-space: nowrap;
        }

        .brand-logo i {
            color: var(--neon-cyan);
            font-size: 1.45rem;
            filter: drop-shadow(0 0 10px rgba(0, 229, 255, 0.6));
            transition: var(--transition);
        }

        .brand-logo:hover i {
            transform: rotate(-10deg) scale(1.1);
        }

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

        .main-nav a {
            color: var(--text-body);
            font-weight: 500;
            font-size: 0.92rem;
            padding: 9px 16px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 7px;
            border: 1px solid transparent;
        }

        .main-nav a:hover {
            color: var(--text-light);
            background: rgba(0, 229, 255, 0.08);
            border-color: var(--border-glow);
        }

        .main-nav a.active {
            color: var(--neon-cyan);
            background: rgba(0, 229, 255, 0.1);
            box-shadow: inset 0 -2px 0 var(--neon-cyan), 0 0 20px rgba(0, 229, 255, 0.15);
        }

        .main-nav a.nav-cta {
            background: var(--gradient-accent);
            color: #050b10;
            font-weight: 700;
            padding: 9px 22px;
            border-radius: 999px;
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.3);
            border: 1px solid rgba(0, 229, 255, 0.3);
        }

        .main-nav a.nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 26px rgba(0, 229, 255, 0.45);
            background: linear-gradient(135deg, #00e5ff, #0091ff);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            border-radius: 8px;
            transition: var(--transition);
        }

        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--text-light);
            border-radius: 4px;
            transition: var(--transition);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.95rem;
            text-decoration: none;
            border: 1px solid transparent;
            transition: var(--transition);
            cursor: pointer;
            line-height: 1.2;
        }

        .btn-primary {
            background: var(--gradient-accent);
            color: #050b10;
            box-shadow: 0 4px 20px rgba(0, 229, 255, 0.25);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(0, 229, 255, 0.45);
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-light);
            border-color: rgba(0, 229, 255, 0.35);
        }

        .btn-ghost:hover {
            background: rgba(0, 229, 255, 0.08);
            border-color: var(--neon-cyan);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: var(--neon-cyan);
            border-color: var(--border-glow);
            font-weight: 600;
        }

        .btn-outline:hover {
            background: rgba(0, 229, 255, 0.08);
            box-shadow: var(--shadow-glow);
        }

        .btn-lg {
            padding: 16px 38px;
            font-size: 1.05rem;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 999px;
            background: rgba(0, 229, 255, 0.12);
            color: var(--neon-cyan);
            border: 1px solid var(--border-glow);
            white-space: nowrap;
        }

        .section {
            padding: 88px 0;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 44px;
            flex-wrap: wrap;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--neon-cyan);
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-tag::before {
            content: '';
            width: 22px;
            height: 2px;
            background: var(--neon-cyan);
            display: inline-block;
            box-shadow: 0 0 8px var(--neon-cyan);
            border-radius: 2px;
        }

        .section-head h2 {
            font-size: 2rem;
            font-weight: 900;
            letter-spacing: 0.02em;
            color: var(--text-light);
            line-height: 1.3;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-top: 6px;
        }

        .page-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 120px 0 90px;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(9, 13, 22, 0.65) 0%, rgba(9, 13, 22, 0.88) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 22px;
        }

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

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

        .breadcrumb i {
            font-size: 0.65rem;
            opacity: 0.6;
        }

        .page-hero h1 {
            font-size: 3rem;
            font-weight: 900;
            letter-spacing: 0.04em;
            line-height: 1.2;
            margin-bottom: 18px;
            text-shadow: 0 0 40px rgba(0, 229, 255, 0.3);
        }

        .page-hero p {
            font-size: 1.08rem;
            color: var(--text-body);
            max-width: 560px;
            margin-bottom: 28px;
            line-height: 1.8;
        }

        .hero-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            max-width: 640px;
            background: rgba(17, 28, 45, 0.6);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            backdrop-filter: blur(12px);
        }

        .stat-item {
            text-align: left;
            border-right: 1px solid var(--border-soft);
            padding-right: 16px;
        }

        .stat-item:last-child {
            border-right: none;
        }

        .stat-num {
            display: block;
            font-size: 1.55rem;
            font-weight: 900;
            color: var(--neon-cyan);
            text-shadow: 0 0 18px rgba(0, 229, 255, 0.4);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 4px;
            display: block;
        }

        .news-section {
            background: var(--bg-secondary);
        }

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

        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-6px);
            background: var(--bg-card-hover);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-card), var(--shadow-glow);
        }

        .news-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-secondary);
        }

        .news-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .news-category {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(9, 13, 22, 0.78);
            border: 1px solid var(--border-glow);
            color: var(--neon-cyan);
            font-size: 0.75rem;
            font-weight: 700;
            backdrop-filter: blur(8px);
        }

        .news-body {
            padding: 20px 20px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-body h3 {
            font-size: 1rem;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-body h3 a {
            transition: var(--transition);
        }

        .news-body h3 a:hover {
            color: var(--neon-cyan);
        }

        .news-body p {
            font-size: 0.84rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .news-meta {
            display: flex;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-soft);
            padding-top: 12px;
            margin-top: auto;
        }

        .news-meta i {
            margin-right: 4px;
            color: var(--neon-cyan);
            opacity: 0.7;
        }

        .rank-section {
            background: var(--bg-primary);
        }

        .rank-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            border: 1px solid var(--border-soft);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .rank-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--gradient-accent);
            opacity: 0;
            transition: var(--transition);
        }

        .rank-item:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-glow);
            transform: translateX(6px);
            box-shadow: var(--shadow-card);
        }

        .rank-item:hover::before {
            opacity: 1;
        }

        .rank-num {
            font-size: 1.7rem;
            font-weight: 900;
            color: var(--text-muted);
            width: 44px;
            text-align: center;
            font-style: italic;
            line-height: 1;
            transition: var(--transition);
        }

        .rank-item:nth-child(-n+3) .rank-num {
            color: var(--neon-cyan);
            text-shadow: 0 0 16px rgba(0, 229, 255, 0.4);
        }

        .rank-info {
            flex: 1;
            min-width: 0;
        }

        .rank-info h4 {
            font-size: 1.02rem;
            font-weight: 700;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-tag {
            display: inline-block;
            font-size: 0.74rem;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.04);
            padding: 2px 10px;
            border-radius: 999px;
            margin-top: 4px;
            border: 1px solid var(--border-soft);
        }

        .rank-score {
            text-align: right;
            margin-right: 6px;
        }

        .score-num {
            font-size: 1.45rem;
            font-weight: 900;
            color: var(--text-light);
            line-height: 1.1;
        }

        .score-label {
            font-size: 0.7rem;
            color: var(--text-muted);
            display: block;
        }

        .rank-link {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 229, 255, 0.1);
            color: var(--neon-cyan);
            transition: var(--transition);
            border: 1px solid var(--border-glow);
            flex-shrink: 0;
        }

        .rank-link:hover {
            background: var(--gradient-accent);
            color: #050b10;
            transform: rotate(45deg) scale(1.05);
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.4);
        }

        .channel-section {
            background: var(--bg-secondary);
        }

        .channel-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 18px;
        }

        .channel-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 32px 18px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            transition: var(--transition);
        }

        .channel-card i {
            font-size: 1.9rem;
            color: var(--neon-cyan);
            margin-bottom: 16px;
            transition: var(--transition);
            filter: drop-shadow(0 0 8px rgba(0, 229, 255, 0.3));
        }

        .channel-card h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .channel-card p {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .channel-card:hover {
            transform: translateY(-5px);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-card), var(--shadow-glow);
        }

        .channel-card:hover i {
            transform: scale(1.15) rotate(-5deg);
            color: var(--neon-cyan);
        }

        .picks-section {
            background: var(--bg-primary);
        }

        .picks-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 22px;
        }

        .pick-main {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 16 / 10;
            min-height: 340px;
            display: flex;
            align-items: flex-end;
        }

        .pick-main img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .pick-main::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(9, 13, 22, 0.92) 100%);
        }

        .pick-content {
            position: relative;
            z-index: 2;
            padding: 30px;
            width: 100%;
        }

        .pick-content .badge {
            margin-bottom: 12px;
        }

        .pick-content h3 {
            font-size: 1.4rem;
            font-weight: 900;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .pick-content p {
            color: var(--text-body);
            font-size: 0.88rem;
            margin-bottom: 18px;
            max-width: 80%;
            line-height: 1.7;
        }

        .pick-side {
            display: flex;
            flex-direction: column;
            gap: 22px;
        }

        .pick-card {
            flex: 1;
            display: flex;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            transition: var(--transition);
            min-height: 0;
        }

        .pick-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }

        .pick-card img {
            width: 45%;
            object-fit: cover;
            aspect-ratio: 1;
        }

        .pick-card-content {
            padding: 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            flex: 1;
        }

        .pick-card-content .badge {
            margin-bottom: 8px;
        }

        .pick-card-content h4 {
            font-size: 0.98rem;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .pick-card-content a {
            font-size: 0.82rem;
            color: var(--neon-cyan);
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .pick-card-content a:hover {
            gap: 10px;
            text-shadow: 0 0 10px rgba(0, 229, 255, 0.4);
        }

        .timeline-section {
            background: var(--bg-secondary);
        }

        .timeline {
            position: relative;
            max-width: 760px;
            margin: 0 auto;
            padding-left: 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 10px;
            bottom: 10px;
            width: 1px;
            background: linear-gradient(180deg, var(--neon-cyan), transparent);
            opacity: 0.4;
        }

        .timeline-item {
            position: relative;
            padding-left: 48px;
            padding-bottom: 34px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: 5px;
            top: 6px;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background: var(--neon-cyan);
            box-shadow: 0 0 12px rgba(0, 229, 255, 0.5);
            border: 3px solid var(--bg-secondary);
        }

        .timeline-time {
            font-size: 0.78rem;
            color: var(--neon-cyan);
            font-weight: 700;
            letter-spacing: 0.05em;
        }

        .timeline-content {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            border: 1px solid var(--border-soft);
            transition: var(--transition);
        }

        .timeline-content:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-card);
            transform: translateX(4px);
        }

        .timeline-content h4 {
            font-size: 1.02rem;
            font-weight: 700;
            margin: 6px 0 8px;
        }

        .timeline-content p {
            font-size: 0.85rem;
            color: var(--text-body);
            line-height: 1.7;
        }

        .faq-section {
            background: var(--bg-primary);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            margin-bottom: 14px;
            border: 1px solid var(--border-soft);
            transition: var(--transition);
        }

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

        .faq-item h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-item h4::before {
            content: 'Q';
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            background: rgba(0, 229, 255, 0.1);
            color: var(--neon-cyan);
            font-size: 0.8rem;
            font-weight: 900;
            border-radius: 6px;
            border: 1px solid var(--border-glow);
            flex-shrink: 0;
        }

        .faq-item p {
            color: var(--text-body);
            font-size: 0.9rem;
            line-height: 1.8;
            padding-left: 34px;
        }

        .cta-section {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 100px 0;
            text-align: center;
            overflow: hidden;
        }

        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(9, 13, 22, 0.85), rgba(9, 13, 22, 0.6), rgba(9, 13, 22, 0.85));
            z-index: 1;
        }

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

        .cta-content h2 {
            font-size: 2.4rem;
            font-weight: 900;
            margin-bottom: 14px;
            text-shadow: 0 0 30px rgba(0, 229, 255, 0.25);
        }

        .cta-content p {
            font-size: 1.05rem;
            color: var(--text-body);
            margin-bottom: 32px;
        }

        .site-footer {
            background: #070b12;
            border-top: 1px solid var(--border-glow);
            padding: 66px 0 0;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 46px;
            border-bottom: 1px solid var(--border-soft);
        }

        .footer-brand h3 {
            font-size: 1.35rem;
            font-weight: 900;
            margin-bottom: 14px;
            color: var(--text-light);
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-links h4,
        .footer-contact h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 16px;
        }

        .footer-links a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 10px;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--neon-cyan);
            padding-left: 6px;
        }

        .footer-contact p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact i {
            color: var(--neon-cyan);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            padding: 22px 0;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.82rem;
        }

        .footer-bottom p {
            opacity: 0.8;
        }

        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .channel-grid {
                grid-template-columns: repeat(3, 1fr);
            }

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

            .pick-main {
                min-height: 300px;
            }
        }

        @media (max-width: 860px) {
            .main-nav {
                position: fixed;
                top: 74px;
                left: 0;
                right: 0;
                background: rgba(9, 13, 22, 0.97);
                flex-direction: column;
                align-items: stretch;
                padding: 18px 24px 26px;
                border-bottom: 1px solid var(--border-glow);
                transform: translateY(-120%);
                transition: transform 0.4s ease;
                gap: 4px;
                backdrop-filter: blur(20px);
                box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
            }

            .main-nav.open {
                transform: translateY(0);
            }

            .main-nav a {
                padding: 13px 18px;
                text-align: left;
                border-radius: var(--radius-sm);
                font-size: 1rem;
                border: 1px solid transparent;
            }

            .main-nav a.nav-cta {
                margin-top: 8px;
                justify-content: center;
            }

            .nav-toggle {
                display: flex;
            }

            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
                max-width: 100%;
            }

            .stat-item {
                border-right: none;
                border-bottom: 1px solid var(--border-soft);
                padding-bottom: 12px;
            }

            .stat-item:nth-last-child(-n+2) {
                border-bottom: none;
                padding-bottom: 0;
            }

            .rank-list {
                grid-template-columns: 1fr;
            }

            .timeline::before {
                left: 8px;
            }

            .timeline-dot {
                left: 2px;
            }

            .timeline-item {
                padding-left: 38px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }

            .page-hero {
                padding: 90px 0 70px;
            }

            .page-hero h1 {
                font-size: 2.2rem;
            }

            .page-hero p {
                font-size: 1rem;
            }

            .section-head h2 {
                font-size: 1.6rem;
            }

            .hero-stats {
                padding: 16px;
            }

            .stat-num {
                font-size: 1.3rem;
            }

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

            .channel-grid {
                gap: 12px;
            }

            .channel-card {
                padding: 22px 12px;
            }

            .pick-content h3 {
                font-size: 1.2rem;
            }

            .pick-content p {
                max-width: 100%;
            }

            .pick-card {
                flex-direction: column;
            }

            .pick-card img {
                width: 100%;
                aspect-ratio: 16 / 9;
            }

            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }

            .user of page-hero {
                text-align: center;
            } /*
            修正：不需要这个，保留居左即可
            */
            .brand-logo {
                font-size: 1.05rem;
            }

            .brand-logo i {
                font-size: 1.2rem;
            }

            .page-hero h1 {
                font-size: 1.75rem;
                line-height: 1.3;
            }

            .page-hero p {
                font-size: 0.9rem;
            }

            .hero-badges {
                gap: 8px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
            }

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

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

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

            .channel-card p {
                font-size: 0.72rem;
            }

            .rank-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 16px 14px;
            }

            .rank-score {
                margin-left: auto;
            }

            .rank-link {
                display: none;
            }

            .score-num {
                font-size: 1.2rem;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
            }

            .section-actions {
                width: 100%;
            }

            .section-actions .btn {
                width: 100%;
            }

            .cta-content h2 {
                font-size: 1.7rem;
            }

            .cta-content p {
                font-size: 0.92rem;
            }

            .cta-content .btn {
                width: 100%;
                padding: 15px 24px;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 26px;
            }

            .footer-brand {
                grid-column: 1;
            }

            .timeline-content {
                padding: 18px;
            }

            .faq-item {
                padding: 20px;
            }

            .faq-item p {
                padding-left: 0;
                margin-top: 8px;
            }

            .stat-num {
                font-size: 1.15rem;
            }

            .stat-label {
                font-size: 0.72rem;
            }
        }

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--neon-cyan);
            outline-offset: 2px;
        }