/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a1a2e;
            --primary-dark: #0f0e17;
            --secondary: #e94560;
            --accent: #0f3460;
            --gold: #f5a623;
            --bg: #ffffff;
            --bg-alt: #f4f6f9;
            --bg-dark: #1a1a2e;
            --text: #1a1a2e;
            --text-light: #6c757d;
            --text-white: #ffffff;
            --border: #e9ecef;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.07);
            --shadow-hover: 0 12px 48px rgba(0, 0, 0, 0.13);
            --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.12);
            --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font);
            color: var(--text);
            background: var(--bg);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        ul {
            list-style: none;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Glass Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            height: var(--nav-height);
            transition: var(--transition);
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(18px) saturate(180%);
            -webkit-backdrop-filter: blur(18px) saturate(180%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.25);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
        }
        .site-header.scrolled {
            background: rgba(26, 26, 46, 0.92);
            backdrop-filter: blur(24px) saturate(200%);
            -webkit-backdrop-filter: blur(24px) saturate(200%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
        }
        .site-header.scrolled .nav-logo {
            color: #fff;
        }
        .site-header.scrolled .nav-link {
            color: rgba(255, 255, 255, 0.85);
        }
        .site-header.scrolled .nav-link:hover,
        .site-header.scrolled .nav-link.active {
            color: var(--gold);
        }
        .site-header.scrolled .nav-cta {
            background: var(--secondary);
            color: #fff;
        }
        .site-header.scrolled .nav-cta:hover {
            background: #d63850;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.20);
        }
        .nav-logo i {
            color: var(--gold);
            font-size: 1.6rem;
        }
        .nav-logo span {
            background: linear-gradient(135deg, #fff 60%, var(--gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-link {
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.3px;
        }
        .nav-link:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            transform: translateY(-1px);
        }
        .nav-link.active {
            background: rgba(255, 255, 255, 0.20);
            color: var(--gold);
            font-weight: 600;
        }
        .nav-cta {
            padding: 10px 28px;
            border-radius: 30px;
            background: var(--gold);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-left: 8px;
            box-shadow: 0 4px 16px rgba(245, 166, 35, 0.35);
        }
        .nav-cta:hover {
            background: #e8990f;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(245, 166, 35, 0.45);
        }
        .nav-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            font-size: 1.3rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.25);
        }

        /* ===== Hero Section ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            background-attachment: fixed;
            padding: 120px 24px 80px;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.82) 0%, rgba(15, 52, 96, 0.70) 60%, rgba(233, 69, 96, 0.30) 100%);
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 80%, rgba(245, 166, 35, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 20%, rgba(233, 69, 96, 0.10) 0%, transparent 50%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            animation: heroFadeIn 1s ease forwards;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            padding: 8px 20px;
            border-radius: 50px;
            color: #fff;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 28px;
            letter-spacing: 0.5px;
        }
        .hero-badge i {
            color: var(--gold);
        }
        .hero-title {
            font-size: clamp(2.6rem, 7vw, 4.8rem);
            font-weight: 900;
            color: #fff;
            line-height: 1.12;
            margin-bottom: 24px;
            letter-spacing: -0.5px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.30);
        }
        .hero-title span {
            background: linear-gradient(135deg, var(--gold) 0%, #ffc96e 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: clamp(1.05rem, 2vw, 1.35rem);
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto 40px;
            line-height: 1.7;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.20);
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .btn-primary {
            padding: 16px 40px;
            border-radius: 50px;
            background: var(--gold);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 1.05rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 8px 32px rgba(245, 166, 35, 0.40);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 44px rgba(245, 166, 35, 0.55);
            background: #ffb82e;
        }
        .btn-outline {
            padding: 16px 40px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.08);
            border: 2px solid rgba(255, 255, 255, 0.30);
            color: #fff;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            backdrop-filter: blur(4px);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: var(--gold);
            color: var(--gold);
            transform: translateY(-3px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: center;
            margin-top: 56px;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            display: block;
            letter-spacing: -0.5px;
        }
        .hero-stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }

        @keyframes heroFadeIn {
            0% {
                opacity: 0;
                transform: translateY(40px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== Section Common ===== */
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 56px;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-alt);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 16px;
            border: 1px solid var(--border);
        }
        .section-dark .section-label {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.10);
            color: var(--gold);
        }
        .section-title {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-light);
            line-height: 1.7;
        }
        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.60);
        }

        /* ===== Features Grid ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .feature-card {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 40px 32px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border);
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
        }
        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .feature-card p {
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* ===== Game Categories ===== */
        .categories-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .category-card {
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--bg);
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border);
            position: relative;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .category-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: var(--transition);
        }
        .category-card:hover .card-img {
            transform: scale(1.05);
        }
        .category-card .card-body {
            padding: 20px 22px 26px;
        }
        .category-card .card-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--bg-alt);
            color: var(--secondary);
            margin-bottom: 10px;
        }
        .category-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .category-card p {
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.5;
        }

        /* ===== Stats Section ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            text-align: center;
            padding: 40px 20px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(245, 166, 35, 0.30);
        }
        .stat-card .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--gold);
            display: block;
            line-height: 1.2;
        }
        .stat-card .stat-label {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 6px;
        }

        /* ===== CMS News List ===== */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .news-card {
            display: flex;
            gap: 20px;
            background: var(--bg);
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            align-items: flex-start;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .news-card .news-img {
            width: 120px;
            height: 90px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-card .news-body {
            flex: 1;
            min-width: 0;
        }
        .news-card .news-cat {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 600;
            background: var(--bg-alt);
            color: var(--secondary);
            margin-bottom: 6px;
        }
        .news-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-meta {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .news-card .news-excerpt {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-top: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ===== Guide Section ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .guide-card {
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--bg);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .guide-card .guide-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .guide-card .guide-body {
            padding: 20px 22px 26px;
        }
        .guide-card .guide-badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            margin-bottom: 10px;
        }
        .guide-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .guide-card p {
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.5;
        }
        .guide-card .guide-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--secondary);
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 12px;
        }
        .guide-card .guide-link:hover {
            gap: 12px;
            color: var(--gold);
        }

        /* ===== Advantage Section ===== */
        .advantage-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .advantage-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }
        .advantage-image img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }
        .advantage-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .advantage-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .advantage-item .adv-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            background: linear-gradient(135deg, var(--gold), #ffb82e);
            color: var(--primary-dark);
            flex-shrink: 0;
        }
        .advantage-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .advantage-item p {
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--gold);
        }
        .faq-question {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            user-select: none;
            transition: var(--transition);
        }
        .faq-question:hover {
            background: var(--bg-alt);
        }
        .faq-question i {
            transition: var(--transition);
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--secondary);
        }
        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            background-attachment: fixed;
            position: relative;
            padding: 100px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(15, 52, 96, 0.80) 100%);
        }
        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-content p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 32px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            margin-bottom: 30px;
        }
        .footer-brand .footer-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-brand .footer-logo i {
            color: var(--gold);
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.60);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--gold);
            transform: translateX(4px);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.40);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.50);
        }
        .footer-bottom a:hover {
            color: var(--gold);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.50);
            font-size: 1rem;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-social a:hover {
            background: var(--gold);
            color: var(--primary-dark);
            border-color: var(--gold);
            transform: translateY(-3px);
        }

        /* ===== Back to Top ===== */
        .back-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--gold);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 4px 20px rgba(245, 166, 35, 0.40);
            cursor: pointer;
            transition: var(--transition);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            border: none;
        }
        .back-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .back-top:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 32px rgba(245, 166, 35, 0.55);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .categories-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .advantage-wrap {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                width: 100%;
                background: rgba(26, 26, 46, 0.96);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                flex-direction: column;
                padding: 16px 24px 24px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.40);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-link {
                padding: 12px 16px;
                width: 100%;
                border-radius: 12px;
            }
            .nav-cta {
                width: 100%;
                justify-content: center;
                margin-left: 0;
                margin-top: 8px;
            }
            .nav-toggle {
                display: flex;
            }
            .hero {
                background-attachment: scroll;
                min-height: 90vh;
                padding: 100px 20px 60px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stat-number {
                font-size: 1.8rem;
            }
            .section {
                padding: 60px 0;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .categories-grid {
                grid-template-columns: 1fr;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .news-card {
                flex-direction: column;
            }
            .news-card .news-img {
                width: 100%;
                height: 160px;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .advantage-image img {
                height: 240px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section {
                padding: 60px 0;
                background-attachment: scroll;
            }
            .back-top {
                bottom: 20px;
                right: 20px;
                width: 42px;
                height: 42px;
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .stat-card .stat-number {
                font-size: 2.2rem;
            }
            .news-card .news-img {
                height: 120px;
            }
            .feature-card {
                padding: 28px 20px;
            }
            .category-card .card-img {
                height: 160px;
            }
            .guide-card .guide-img {
                height: 140px;
            }
            .nav-logo {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 360px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-stat-number {
                font-size: 1.4rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 14px 24px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #ff6b35;
            --primary-dark: #e55a2b;
            --primary-light: #ff8a5c;
            --secondary: #2ec4b6;
            --secondary-dark: #25a99d;
            --accent: #ffd166;
            --dark: #1a1a2e;
            --dark-alt: #16213e;
            --bg: #0f0f1a;
            --bg-card: #1e1e36;
            --bg-section: #14142b;
            --text: #f0f0f5;
            --text-muted: #9a9abf;
            --text-light: #c8c8e0;
            --border: #2a2a4a;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-glow: 0 0 30px rgba(255, 107, 53, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Segoe UI', 'PingFang SC', Roboto, 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea, select { font-family: inherit; font-size: 1rem; border: none; outline: none; }
        ul, ol { list-style: none; }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-pad { padding: 80px 0; }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 12px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-sub {
            text-align: center;
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 640px;
            margin: 0 auto 48px;
        }
        .section-sub a { color: var(--primary); }
        .section-sub a:hover { color: var(--primary-light); }

        /* ===== 玻璃导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            height: var(--header-h);
            transition: var(--transition);
            background: rgba(15, 15, 26, 0.6);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-header.scrolled {
            background: rgba(15, 15, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
            border-bottom-color: rgba(255, 107, 53, 0.15);
        }
        .nav-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text);
        }
        .nav-logo i {
            color: var(--primary);
            font-size: 1.6rem;
            filter: drop-shadow(0 0 8px rgba(255, 107, 53, 0.3));
        }
        .nav-logo span {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            position: relative;
            padding: 4px 0;
            transition: var(--transition);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-link:hover { color: var(--text); }
        .nav-link:hover::after { width: 100%; }
        .nav-link.active { color: var(--primary); }
        .nav-link.active::after { width: 100%; background: var(--primary); }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
            transition: var(--transition);
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(255, 107, 53, 0.4);
            color: #fff;
        }
        .nav-toggle { display: none; background: none; color: var(--text); font-size: 1.5rem; cursor: pointer; padding: 4px; }

        /* ===== Hero / Banner ===== */
        .category-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 120px 24px 80px;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 26, 0.85) 0%, rgba(15, 15, 26, 0.6) 50%, rgba(26, 26, 46, 0.8) 100%);
            z-index: 1;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg), transparent);
            z-index: 2;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            max-width: 800px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 107, 53, 0.2);
            border: 1px solid rgba(255, 107, 53, 0.3);
            color: var(--primary-light);
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff 30%, var(--primary-light) 70%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .hero-search {
            display: flex;
            max-width: 520px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 50px;
            overflow: hidden;
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }
        .hero-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 20px rgba(255, 107, 53, 0.15);
        }
        .hero-search input {
            flex: 1;
            background: transparent;
            padding: 14px 20px;
            color: var(--text);
            font-size: 0.95rem;
        }
        .hero-search input::placeholder { color: var(--text-muted); }
        .hero-search button {
            background: var(--primary);
            color: #fff;
            padding: 14px 28px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border-radius: 0 50px 50px 0;
        }
        .hero-search button:hover { background: var(--primary-dark); }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ===== 攻略分类卡片 ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
        }
        .guide-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
            cursor: pointer;
            position: relative;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            border-color: rgba(255, 107, 53, 0.3);
            box-shadow: var(--shadow-glow);
        }
        .guide-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: var(--transition);
        }
        .guide-card:hover .guide-card-img { transform: scale(1.05); }
        .guide-card-body {
            padding: 20px;
        }
        .guide-card-tag {
            display: inline-block;
            background: rgba(255, 107, 53, 0.15);
            color: var(--primary-light);
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .guide-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .guide-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .guide-card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .guide-card-footer i { margin-right: 4px; }
        .guide-card-footer .hot { color: var(--primary); }

        /* ===== 最新攻略列表 ===== */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .article-item {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 16px;
            border: 1px solid var(--border);
            transition: var(--transition);
            align-items: flex-start;
        }
        .article-item:hover {
            border-color: rgba(255, 107, 53, 0.2);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .article-thumb {
            width: 180px;
            min-height: 120px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .article-info {
            flex: 1;
            min-width: 0;
        }
        .article-info h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
            transition: var(--transition);
        }
        .article-item:hover .article-info h3 { color: var(--primary-light); }
        .article-info p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 10px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .article-meta span { display: inline-flex; align-items: center; gap: 4px; }
        .article-meta .label {
            background: rgba(46, 196, 182, 0.15);
            color: var(--secondary);
            padding: 0 10px;
            border-radius: 20px;
            font-size: 0.75rem;
        }
        .article-meta .label.hot {
            background: rgba(255, 107, 53, 0.15);
            color: var(--primary-light);
        }

        /* ===== 热门排行 ===== */
        .rank-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 16px 18px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .rank-item:hover {
            border-color: rgba(255, 107, 53, 0.2);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .rank-num {
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--text-muted);
            width: 40px;
            text-align: center;
            flex-shrink: 0;
        }
        .rank-num.top1 { color: #ffd700; }
        .rank-num.top2 { color: #c0c0c0; }
        .rank-num.top3 { color: #cd7f32; }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 2px;
        }
        .rank-info p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .rank-score {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent);
            flex-shrink: 0;
        }

        /* ===== 数据统计区 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 24px;
            text-align: center;
        }
        .stat-box {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 16px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .stat-box:hover {
            border-color: rgba(255, 107, 53, 0.2);
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }
        .stat-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 900;
            color: var(--text);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 740px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(255, 107, 53, 0.15); }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text);
            transition: var(--transition);
            user-select: none;
        }
        .faq-question:hover { color: var(--primary-light); }
        .faq-question i {
            transition: var(--transition);
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-question i { transform: rotate(180deg); color: var(--primary); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--dark-alt), var(--bg-card));
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            border: 1px solid rgba(255, 107, 53, 0.1);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text);
        }
        .cta-section p {
            color: var(--text-muted);
            max-width: 540px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
        }
        .cta-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.95rem;
            box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
            transition: var(--transition);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(255, 107, 53, 0.4);
            color: #fff;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text-light);
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary-light);
            background: rgba(255, 107, 53, 0.05);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark-alt);
            border-top: 1px solid var(--border);
            padding: 60px 0 30px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 40px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 14px;
        }
        .footer-logo i { color: var(--primary); }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
        }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .footer-col ul li a:hover { color: var(--primary-light); padding-left: 4px; }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 移动端响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .section-pad { padding: 56px 0; }
            .section-title { font-size: 1.8rem; }
            .section-sub { font-size: 1rem; margin-bottom: 32px; }

            .category-hero { min-height: 360px; padding: 100px 20px 60px; }
            .hero-title { font-size: 2.2rem; }
            .hero-desc { font-size: 1rem; }
            .hero-stats { gap: 24px; }
            .hero-stat-num { font-size: 1.4rem; }

            .guide-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }

            .article-item { flex-direction: column; }
            .article-thumb { width: 100%; height: 160px; }
            .article-info h3 { font-size: 1rem; }

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

            .nav-links {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(15, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 24px 28px;
                gap: 16px;
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                align-items: stretch;
            }
            .nav-links.open { transform: translateY(0); opacity: 1; }
            .nav-toggle { display: block; }
            .nav-cta { justify-content: center; }

            .cta-section { padding: 40px 24px; }
            .cta-section h2 { font-size: 1.5rem; }

            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }

            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .stat-number { font-size: 1.6rem; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .section-title { font-size: 1.5rem; }
            .hero-title { font-size: 1.8rem; }
            .guide-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .hero-search { flex-direction: column; border-radius: var(--radius-sm); }
            .hero-search input { border-radius: var(--radius-sm) var(--radius-sm) 0 0; }
            .hero-search button { border-radius: 0 0 var(--radius-sm) var(--radius-sm); padding: 12px; }
            .rank-item { flex-wrap: wrap; }
            .rank-score { margin-left: auto; }
        }

        /* ===== 滚动渐入动画 ===== */
        .fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
        .fade-up.visible { opacity: 1; transform: translateY(0); }

        /* ===== 辅助 ===== */
        .text-gradient { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .mt-32 { margin-top: 32px; }
        .mb-16 { margin-bottom: 16px; }

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
    --primary: #FF6B35;
    --primary-dark: #E55A2B;
    --primary-light: #FF8A5C;
    --secondary: #FFD700;
    --secondary-dark: #E6C200;
    --accent: #FF4757;
    --dark: #1A1A2E;
    --dark-light: #2D2D44;
    --text: #1F2937;
    --text-light: #4B5563;
    --text-weak: #9CA3AF;
    --bg: #FFFFFF;
    --bg-light: #F9FAFB;
    --bg-card: #FFFFFF;
    --border: #E5E7EB;
    --border-light: #F3F4F6;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
    --shadow-hover: 0 12px 32px rgba(255,107,53,0.18);
    --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
    --font-sans: 'Segoe UI','PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
    --container: 1200px;
    --nav-height: 72px;
}
/* ===== Reset / Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);font-size:16px;line-height:1.7;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--primary-dark)}
a:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
button{cursor:pointer;border:none;background:none;font-family:inherit;font-size:inherit}
input,textarea{font-family:inherit;font-size:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{line-height:1.3;color:var(--dark);font-weight:700}
h1{font-size:2.5rem}
h2{font-size:2rem}
h3{font-size:1.4rem}
h4{font-size:1.15rem}
p{margin-bottom:1rem}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-title{text-align:center;margin-bottom:48px}
.section-title h2{font-size:2rem;margin-bottom:12px;position:relative;display:inline-block}
.section-title h2::after{content:'';display:block;width:60px;height:4px;background:var(--primary);border-radius:4px;margin:12px auto 0}
.section-title p{color:var(--text-light);font-size:1.05rem;max-width:600px;margin:0 auto}
/* ===== 导航 ===== */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;height:var(--nav-height);background:rgba(26,26,46,0.25);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,0.10);transition:background var(--transition),box-shadow var(--transition)}
.site-header.scrolled{background:rgba(26,26,46,0.92);box-shadow:0 4px 24px rgba(0,0,0,0.30)}
.nav-inner{max-width:var(--container);margin:0 auto;padding:0 24px;height:var(--nav-height);display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:1.35rem;font-weight:800;color:#fff;text-decoration:none;letter-spacing:0.5px}
.nav-logo i{color:var(--secondary);font-size:1.5rem}
.nav-logo span{background:linear-gradient(135deg,#fff 60%,var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-link{padding:8px 18px;border-radius:var(--radius-sm);color:rgba(255,255,255,0.80);font-weight:500;font-size:0.95rem;transition:all var(--transition);position:relative;text-decoration:none}
.nav-link:hover{color:#fff;background:rgba(255,255,255,0.10)}
.nav-link.active{color:#fff;background:rgba(255,107,53,0.25)}
.nav-link.active::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:20px;height:3px;background:var(--primary);border-radius:4px}
.nav-cta{display:inline-flex;align-items:center;gap:8px;padding:10px 24px;background:var(--primary);color:#fff;border-radius:var(--radius-sm);font-weight:600;font-size:0.92rem;transition:all var(--transition);text-decoration:none;margin-left:8px}
.nav-cta:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 6px 20px rgba(255,107,53,0.35);color:#fff}
.nav-toggle{display:none;color:#fff;font-size:1.5rem;padding:8px;border-radius:var(--radius-sm);background:rgba(255,255,255,0.08)}
/* ===== 文章 Hero ===== */
.article-hero{position:relative;padding:140px 0 80px;background:var(--dark);overflow:hidden;min-height:360px;display:flex;align-items:center}
.article-hero-bg{position:absolute;top:0;left:0;width:100%;height:100%;background:url('/assets/images/backpic/back-2.png') center center/cover no-repeat;opacity:0.35;z-index:0}
.article-hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(26,26,46,0.88) 0%,rgba(26,26,46,0.60) 60%,rgba(255,107,53,0.25) 100%);z-index:1}
.article-hero .container{position:relative;z-index:2;color:#fff}
.article-breadcrumb{display:flex;align-items:center;gap:8px;font-size:0.85rem;color:rgba(255,255,255,0.65);margin-bottom:20px;flex-wrap:wrap}
.article-breadcrumb a{color:rgba(255,255,255,0.75);text-decoration:none}
.article-breadcrumb a:hover{color:var(--secondary)}
.article-breadcrumb .sep{color:rgba(255,255,255,0.35)}
.article-hero .article-category{display:inline-block;padding:4px 16px;background:var(--primary);color:#fff;border-radius:20px;font-size:0.8rem;font-weight:600;margin-bottom:16px;letter-spacing:0.5px}
.article-hero h1{font-size:2.4rem;font-weight:800;color:#fff;max-width:800px;margin-bottom:16px;line-height:1.35;text-shadow:0 2px 12px rgba(0,0,0,0.20)}
.article-hero .article-meta{display:flex;flex-wrap:wrap;gap:20px;font-size:0.9rem;color:rgba(255,255,255,0.70)}
.article-hero .article-meta i{margin-right:6px;color:var(--secondary)}
/* ===== 文章主体 ===== */
.article-main{padding:48px 0 64px;background:var(--bg)}
.article-layout{display:grid;grid-template-columns:1fr;gap:40px;max-width:860px;margin:0 auto}
.article-body{background:var(--bg-card);border-radius:var(--radius);padding:40px 48px;box-shadow:var(--shadow);border:1px solid var(--border-light)}
.article-body .content{font-size:1.05rem;line-height:1.9;color:var(--text)}
.article-body .content h2{font-size:1.55rem;margin:36px 0 16px;padding-bottom:8px;border-bottom:2px solid var(--border-light)}
.article-body .content h3{font-size:1.25rem;margin:28px 0 12px}
.article-body .content p{margin-bottom:1.2rem}
.article-body .content img{border-radius:var(--radius-sm);margin:24px 0;box-shadow:var(--shadow)}
.article-body .content ul,.article-body .content ol{padding-left:24px;margin-bottom:1.2rem}
.article-body .content li{margin-bottom:6px}
.article-body .content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body .content a:hover{color:var(--primary-dark)}
.article-body .content blockquote{border-left:4px solid var(--primary);padding:12px 20px;margin:20px 0;background:var(--bg-light);border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-style:italic;color:var(--text-light)}
.article-body .content code{background:var(--bg-light);padding:2px 8px;border-radius:4px;font-size:0.9em}
.article-body .content pre{background:var(--dark);color:#f5f5f5;padding:20px 24px;border-radius:var(--radius-sm);overflow-x:auto;margin:20px 0}
.not-found{text-align:center;padding:60px 24px}
.not-found i{font-size:3rem;color:var(--text-weak);margin-bottom:16px}
.not-found h2{font-size:1.6rem;color:var(--text);margin-bottom:12px}
.not-found p{color:var(--text-light);margin-bottom:24px}
.not-found .btn-home{display:inline-flex;align-items:center;gap:8px;padding:12px 32px;background:var(--primary);color:#fff;border-radius:var(--radius-sm);font-weight:600;transition:all var(--transition);text-decoration:none}
.not-found .btn-home:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-hover);color:#fff}
/* ===== 标签 & 分享 ===== */
.article-tags-share{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;margin-top:36px;padding-top:24px;border-top:1px solid var(--border)}
.article-tags{display:flex;flex-wrap:wrap;gap:8px}
.article-tags .tag{padding:4px 14px;background:var(--bg-light);border-radius:20px;font-size:0.8rem;color:var(--text-light);border:1px solid var(--border);transition:all var(--transition);text-decoration:none}
.article-tags .tag:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.share-buttons{display:flex;gap:10px}
.share-buttons a{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--bg-light);color:var(--text-light);border:1px solid var(--border);transition:all var(--transition);text-decoration:none;font-size:0.95rem}
.share-buttons a:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-2px)}
/* ===== 上下篇导航 ===== */
.article-prev-next{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px;padding-top:24px;border-top:1px solid var(--border)}
.article-prev-next a{display:flex;flex-direction:column;padding:16px 20px;border-radius:var(--radius-sm);background:var(--bg-light);border:1px solid var(--border);transition:all var(--transition);text-decoration:none}
.article-prev-next a:hover{background:var(--bg-card);box-shadow:var(--shadow);border-color:var(--primary-light);transform:translateY(-2px)}
.article-prev-next .pn-label{font-size:0.8rem;color:var(--text-weak);margin-bottom:4px;display:flex;align-items:center;gap:6px}
.article-prev-next .pn-title{font-size:0.95rem;font-weight:600;color:var(--text);line-height:1.4}
.article-prev-next a:only-child{grid-column:1/-1}
.article-prev-next .next{text-align:right}
.article-prev-next .next .pn-label{justify-content:flex-end}
/* ===== 相关推荐 ===== */
.related-section{background:var(--bg-light);padding:64px 0}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{background:var(--bg-card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border-light);transition:all var(--transition);text-decoration:none;display:flex;flex-direction:column}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--primary-light)}
.related-card .card-img{height:180px;background:var(--bg-light);overflow:hidden;position:relative}
.related-card .card-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease}
.related-card:hover .card-img img{transform:scale(1.06)}
.related-card .card-body{padding:20px 20px 24px;flex:1;display:flex;flex-direction:column}
.related-card .card-category{font-size:0.75rem;color:var(--primary);font-weight:600;margin-bottom:8px;display:flex;align-items:center;gap:6px}
.related-card .card-title{font-size:1rem;font-weight:700;color:var(--dark);line-height:1.4;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card .card-excerpt{font-size:0.88rem;color:var(--text-light);line-height:1.6;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px}
.related-card .card-meta{font-size:0.8rem;color:var(--text-weak);display:flex;align-items:center;gap:16px;margin-top:auto}
.related-card .card-meta i{margin-right:4px}
/* ===== CTA ===== */
.cta-section{background:linear-gradient(135deg,var(--dark) 0%,var(--dark-light) 100%);padding:64px 0;text-align:center;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:url('/assets/images/backpic/back-3.png') center center/cover no-repeat;opacity:0.08;z-index:0}
.cta-section .container{position:relative;z-index:1}
.cta-section h2{color:#fff;font-size:2rem;margin-bottom:16px}
.cta-section p{color:rgba(255,255,255,0.75);max-width:540px;margin:0 auto 28px;font-size:1.05rem}
.cta-buttons{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.cta-btn{display:inline-flex;align-items:center;gap:10px;padding:14px 36px;border-radius:var(--radius-sm);font-weight:700;font-size:1rem;transition:all var(--transition);text-decoration:none}
.cta-btn.primary{background:var(--primary);color:#fff}
.cta-btn.primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 28px rgba(255,107,53,0.40);color:#fff}
.cta-btn.outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,0.30)}
.cta-btn.outline:hover{background:rgba(255,255,255,0.10);border-color:rgba(255,255,255,0.60);color:#fff;transform:translateY(-2px)}
/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,0.75);padding:56px 0 0;border-top:3px solid var(--primary)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,0.08)}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:1.3rem;font-weight:800;color:#fff;margin-bottom:16px}
.footer-logo i{color:var(--secondary)}
.footer-brand p{font-size:0.9rem;line-height:1.7;color:rgba(255,255,255,0.55);max-width:320px}
.footer-col h4{color:#fff;font-size:1rem;font-weight:700;margin-bottom:16px;position:relative;padding-bottom:8px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:28px;height:2px;background:var(--primary);border-radius:2px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:rgba(255,255,255,0.55);font-size:0.9rem;transition:all var(--transition);text-decoration:none;display:flex;align-items:center;gap:8px}
.footer-col ul li a:hover{color:var(--secondary);transform:translateX(4px)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:24px 0;flex-wrap:wrap;gap:16px}
.footer-bottom span{font-size:0.85rem;color:rgba(255,255,255,0.40)}
.footer-social{display:flex;gap:12px}
.footer-social a{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,0.06);color:rgba(255,255,255,0.50);font-size:1rem;transition:all var(--transition);text-decoration:none}
.footer-social a:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
/* ===== 响应式 ===== */
@media(max-width:1024px){
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
    .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
    :root{--nav-height:64px}
    h1{font-size:1.8rem}
    h2{font-size:1.5rem}
    .section{padding:48px 0}
    .article-hero{padding:100px 0 48px;min-height:280px}
    .article-hero h1{font-size:1.5rem}
    .article-body{padding:24px 20px}
    .article-layout{max-width:100%}
    .article-prev-next{grid-template-columns:1fr}
    .related-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr;gap:28px}
    .footer-bottom{flex-direction:column;text-align:center}
    .nav-links{position:fixed;top:var(--nav-height);left:0;width:100%;background:rgba(26,26,46,0.98);backdrop-filter:blur(16px);flex-direction:column;padding:20px 24px;gap:12px;transform:translateY(-120%);opacity:0;pointer-events:none;transition:all 0.4s cubic-bezier(0.4,0,0.2,1);border-bottom:1px solid rgba(255,255,255,0.06)}
    .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}
    .nav-link{width:100%;text-align:center;padding:12px 16px}
    .nav-cta{width:100%;justify-content:center;margin-left:0;margin-top:8px}
    .nav-toggle{display:flex;align-items:center;justify-content:center}
    .article-tags-share{flex-direction:column;align-items:flex-start;gap:16px}
    .cta-section h2{font-size:1.5rem}
}
@media(max-width:520px){
    .container{padding:0 16px}
    .article-hero h1{font-size:1.25rem}
    .article-body{padding:16px 14px}
    .article-hero .article-meta{gap:12px;font-size:0.82rem}
    .related-card .card-img{height:140px}
    .cta-btn{padding:12px 24px;font-size:0.92rem;width:100%;justify-content:center}
}