/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --clr-primary: #4f46e5;
            --clr-primary-light: #6366f1;
            --clr-primary-dark: #3730a3;
            --clr-secondary: #f59e0b;
            --clr-secondary-light: #fbbf24;
            --clr-accent: #ec4899;
            --clr-dark: #0f172a;
            --clr-dark-2: #1e293b;
            --clr-gray: #64748b;
            --clr-gray-light: #94a3b8;
            --clr-gray-bg: #f1f5f9;
            --clr-light: #f8fafc;
            --clr-white: #ffffff;
            --clr-border: #e2e8f0;
            --clr-success: #10b981;
            --clr-warning: #f59e0b;
            --clr-danger: #ef4444;
            --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --shadow-xl: 0 24px 60px rgba(0,0,0,0.16);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --spacing-xs: 0.25rem;
            --spacing-sm: 0.5rem;
            --spacing-md: 1rem;
            --spacing-lg: 2rem;
            --spacing-xl: 4rem;
            --spacing-2xl: 6rem;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-base);
            font-size: 1rem;
            line-height: 1.65;
            color: var(--clr-dark);
            background: var(--clr-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--clr-primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--clr-primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        ul, ol {
            list-style: none;
            padding: 0;
        }
        h1, h2, h3, h4, h5, h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--clr-dark);
        }
        p {
            margin-bottom: 0.5rem;
            color: var(--clr-gray);
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }

        /* ===== 导航 (悬浮胶囊风格) ===== */
        .site-header {
            position: fixed;
            top: 1.25rem;
            left: 0;
            right: 0;
            z-index: 1050;
            pointer-events: none;
            padding: 0 1.25rem;
        }
        .site-header .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            background: rgba(255,255,255,0.85);
            backdrop-filter: blur(18px) saturate(180%);
            -webkit-backdrop-filter: blur(18px) saturate(180%);
            border-radius: var(--radius-full);
            padding: 0.6rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 4px 30px rgba(0,0,0,0.08);
            border: 1px solid rgba(255,255,255,0.5);
            pointer-events: auto;
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .site-header .header-inner:hover {
            box-shadow: 0 8px 40px rgba(0,0,0,0.12);
        }
        .site-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--clr-primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: opacity var(--transition);
        }
        .site-logo i {
            font-size: 1.5rem;
            color: var(--clr-primary-light);
        }
        .site-logo:hover {
            opacity: 0.85;
            color: var(--clr-primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .nav-links a {
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--clr-dark-2);
            transition: background var(--transition), color var(--transition), transform var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            background: var(--clr-gray-bg);
            color: var(--clr-primary);
            transform: translateY(-1px);
        }
        .nav-links a.active {
            background: var(--clr-primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(79,70,229,0.35);
        }
        .nav-links a.active:hover {
            background: var(--clr-primary-dark);
            color: #fff;
        }
        .nav-cta {
            background: var(--clr-secondary) !important;
            color: #1e293b !important;
            box-shadow: 0 4px 14px rgba(245,158,11,0.35);
        }
        .nav-cta:hover {
            background: var(--clr-secondary-light) !important;
            transform: translateY(-2px) !important;
            box-shadow: 0 6px 20px rgba(245,158,11,0.45);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--clr-dark);
            cursor: pointer;
            padding: 0.25rem 0.5rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .mobile-toggle:hover {
            background: var(--clr-gray-bg);
        }

        /* ===== 按钮 ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            justify-content: center;
            line-height: 1.4;
        }
        .btn-primary-custom {
            background: var(--clr-primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(79,70,229,0.3);
        }
        .btn-primary-custom:hover {
            background: var(--clr-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(79,70,229,0.4);
        }
        .btn-secondary-custom {
            background: var(--clr-secondary);
            color: #1e293b;
            box-shadow: 0 4px 16px rgba(245,158,11,0.3);
        }
        .btn-secondary-custom:hover {
            background: var(--clr-secondary-light);
            color: #1e293b;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(245,158,11,0.4);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--clr-primary);
            border: 2px solid var(--clr-primary);
        }
        .btn-outline-custom:hover {
            background: var(--clr-primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-lg-custom {
            padding: 1rem 2.8rem;
            font-size: 1.1rem;
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: var(--spacing-2xl) 0;
        }
        .section-dark {
            background: var(--clr-dark);
            color: #fff;
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark .section-subtitle {
            color: #fff;
        }
        .section-dark p {
            color: rgba(255,255,255,0.75);
        }
        .section-gray {
            background: var(--clr-gray-bg);
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--clr-gray);
            max-width: 600px;
            margin: 0 auto 2.5rem;
            text-align: center;
        }
        .section-header {
            text-align: center;
            margin-bottom: 3.5rem;
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(145deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
            position: relative;
            overflow: hidden;
            padding: 8rem 1.25rem 4rem;
            text-align: center;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -20%;
            width: 70%;
            height: 100%;
            background: radial-gradient(ellipse at center, rgba(79,70,229,0.2) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 60%;
            height: 80%;
            background: radial-gradient(ellipse at center, rgba(236,72,153,0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 860px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(79,70,229,0.2);
            border: 1px solid rgba(79,70,229,0.3);
            padding: 0.4rem 1.4rem;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            color: rgba(255,255,255,0.9);
            margin-bottom: 1.5rem;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            color: var(--clr-secondary);
        }
        .hero h1 {
            font-size: 3.5rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.03em;
            line-height: 1.1;
            margin-bottom: 1.25rem;
        }
        .hero h1 span {
            background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.7);
            max-width: 620px;
            margin: 0 auto 2rem;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 2.5rem;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 2.5rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.08);
        }
        .hero-stat-item {
            text-align: center;
        }
        .hero-stat-item .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            display: block;
        }
        .hero-stat-item .label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.55);
            font-weight: 500;
        }
        .hero-live {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(16,185,129,0.15);
            border: 1px solid rgba(16,185,129,0.25);
            padding: 0.3rem 1rem;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            color: var(--clr-success);
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .hero-live .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--clr-success);
            animation: pulse-dot 1.6s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.85); }
        }
        .hero-countdown {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(245,158,11,0.12);
            border: 1px solid rgba(245,158,11,0.2);
            padding: 0.3rem 1.2rem;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            color: var(--clr-secondary-light);
            font-weight: 600;
            margin-top: 0.5rem;
        }
        .hero-countdown i {
            color: var(--clr-secondary);
        }

        /* ===== 特色卡片 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1.5rem;
        }
        .feature-card {
            background: var(--clr-white);
            border-radius: var(--radius-md);
            padding: 2rem 1.6rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border);
            transition: all var(--transition);
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--clr-primary-light);
        }
        .feature-card .icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin: 0 auto 1.25rem;
            background: var(--clr-gray-bg);
            color: var(--clr-primary);
        }
        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .feature-card p {
            font-size: 0.92rem;
            color: var(--clr-gray);
            margin-bottom: 0;
        }

        /* ===== 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
        }
        .category-card {
            border-radius: var(--radius-md);
            padding: 2.5rem 2rem;
            text-align: center;
            background: var(--clr-white);
            border: 1px solid var(--clr-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--clr-primary), var(--clr-secondary));
            opacity: 0;
            transition: opacity var(--transition);
        }
        .category-card:hover::before {
            opacity: 1;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .category-card .icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin: 0 auto 1.25rem;
            background: var(--clr-gray-bg);
            color: var(--clr-primary);
            transition: all var(--transition);
        }
        .category-card:hover .icon {
            background: var(--clr-primary);
            color: #fff;
            transform: scale(1.05);
        }
        .category-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .category-card p {
            font-size: 0.92rem;
            color: var(--clr-gray);
            margin-bottom: 1.25rem;
        }
        .category-card .tag {
            display: inline-block;
            padding: 0.25rem 1rem;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--clr-gray-bg);
            color: var(--clr-gray);
            transition: all var(--transition);
        }
        .category-card:hover .tag {
            background: var(--clr-primary);
            color: #fff;
        }

        /* ===== 资讯列表 ===== */
        .post-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
        }
        .post-card {
            background: var(--clr-white);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.8rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .post-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--clr-primary-light);
        }
        .post-card .post-meta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.8rem;
            color: var(--clr-gray-light);
            margin-bottom: 0.75rem;
        }
        .post-card .post-meta .badge-custom {
            background: var(--clr-gray-bg);
            padding: 0.2rem 0.8rem;
            border-radius: var(--radius-full);
            font-weight: 600;
            color: var(--clr-primary);
            font-size: 0.7rem;
        }
        .post-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            line-height: 1.35;
        }
        .post-card h3 a {
            color: var(--clr-dark);
            transition: color var(--transition);
        }
        .post-card h3 a:hover {
            color: var(--clr-primary);
        }
        .post-card p {
            font-size: 0.88rem;
            color: var(--clr-gray);
            margin-bottom: 0;
            flex: 1;
        }
        .post-card .post-footer {
            margin-top: 1rem;
            padding-top: 0.75rem;
            border-top: 1px solid var(--clr-border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: var(--clr-gray-light);
        }
        .post-card .post-footer a {
            font-weight: 600;
            color: var(--clr-primary);
            font-size: 0.8rem;
        }
        .post-card .post-footer a:hover {
            color: var(--clr-primary-dark);
        }
        .empty-posts {
            grid-column: 1 / -1;
            text-align: center;
            padding: 3rem 1rem;
            color: var(--clr-gray);
            background: var(--clr-white);
            border-radius: var(--radius-md);
            border: 1px dashed var(--clr-border);
        }
        .empty-posts i {
            font-size: 2.5rem;
            color: var(--clr-gray-light);
            margin-bottom: 1rem;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.5rem;
        }
        .stat-card {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-md);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all var(--transition);
        }
        .stat-card:hover {
            background: rgba(255,255,255,0.08);
            transform: translateY(-4px);
        }
        .stat-card .num {
            font-size: 2.5rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.1;
            margin-bottom: 0.25rem;
        }
        .stat-card .num span {
            color: var(--clr-secondary);
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.6);
            font-weight: 500;
        }
        .stat-card .icon {
            font-size: 1.8rem;
            color: var(--clr-primary-light);
            margin-bottom: 0.75rem;
        }

        /* ===== FAQ ===== */
        .faq-grid {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .faq-item {
            background: var(--clr-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--clr-border);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 1.5rem;
            background: none;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--clr-dark);
            cursor: pointer;
            text-align: left;
            transition: background var(--transition);
            gap: 1rem;
        }
        .faq-question:hover {
            background: var(--clr-gray-bg);
        }
        .faq-question i {
            font-size: 1.1rem;
            color: var(--clr-primary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 1.5rem 1.2rem;
            font-size: 0.95rem;
            color: var(--clr-gray);
            line-height: 1.7;
        }
        .faq-answer p {
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(145deg, var(--clr-primary-dark), var(--clr-primary));
            padding: var(--spacing-xl) 0;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.8);
            max-width: 580px;
            margin: 0 auto 2rem;
        }
        .cta-section .btn-custom {
            background: var(--clr-secondary);
            color: #1e293b;
            box-shadow: 0 6px 24px rgba(245,158,11,0.4);
        }
        .cta-section .btn-custom:hover {
            background: var(--clr-secondary-light);
            transform: translateY(-3px);
            box-shadow: 0 10px 36px rgba(245,158,11,0.5);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--clr-dark);
            color: rgba(255,255,255,0.7);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }
        .site-footer .footer-brand .logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.75rem;
            display: inline-block;
        }
        .site-footer .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.55);
            max-width: 320px;
        }
        .site-footer h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }
        .site-footer ul li {
            margin-bottom: 0.5rem;
        }
        .site-footer ul li a {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.6);
            transition: color var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--clr-secondary);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
            gap: 1rem;
        }
        .site-footer .footer-bottom a {
            color: rgba(255,255,255,0.5);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--clr-secondary);
        }
        .footer-social {
            display: flex;
            gap: 0.75rem;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.5);
            transition: all var(--transition);
            font-size: 1rem;
        }
        .footer-social a:hover {
            background: var(--clr-primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 分割线 ===== */
        .divider {
            width: 60px;
            height: 4px;
            border-radius: var(--radius-full);
            background: linear-gradient(90deg, var(--clr-primary), var(--clr-secondary));
            margin: 0.5rem auto 1.5rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.8rem;
            }
            .section-title {
                font-size: 1.9rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                top: 0.75rem;
                padding: 0 0.75rem;
            }
            .site-header .header-inner {
                padding: 0.5rem 1rem;
                border-radius: var(--radius-lg);
            }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: calc(100% + 0.5rem);
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.96);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                border-radius: var(--radius-md);
                padding: 0.75rem;
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--clr-border);
                gap: 0.25rem;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 0.7rem 1rem;
                border-radius: var(--radius-sm);
                width: 100%;
                text-align: center;
            }
            .mobile-toggle {
                display: block;
            }
            .hero {
                padding: 6rem 1rem 3rem;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 1.5rem;
            }
            .hero-stat-item .num {
                font-size: 1.5rem;
            }
            .section {
                padding: var(--spacing-xl) 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .post-list {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .site-footer .footer-brand p {
                max-width: 100%;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section h2 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-actions .btn-custom {
                width: 100%;
                max-width: 280px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }
            .stat-card {
                padding: 1.25rem 0.75rem;
            }
            .stat-card .num {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .faq-question {
                font-size: 0.92rem;
                padding: 1rem 1.2rem;
            }
        }

        /* ===== 辅助 ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-1 {
            margin-top: 0.5rem;
        }
        .gap-1 {
            gap: 0.5rem;
        }
        .gap-2 {
            gap: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* Bootstrap 覆盖 */
        .accordion-button:not(.collapsed) {
            background: var(--clr-gray-bg);
            color: var(--clr-dark);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--clr-border);
        }
        .accordion-item {
            border-color: var(--clr-border);
            border-radius: var(--radius-sm) !important;
            overflow: hidden;
        }

/* roulang page: article */
:root {
            --primary: #e63946;
            --primary-dark: #b71c1c;
            --primary-light: #ff6b6b;
            --secondary: #2d3436;
            --accent: #fdcb6e;
            --bg-dark: #1a1a2e;
            --bg-card: #16213e;
            --bg-body: #0f0f1a;
            --bg-section: #1a1a2e;
            --text-light: #f8f9fa;
            --text-muted: #a0a0b8;
            --text-body: #e0e0e8;
            --border-color: #2d2d4a;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: var(--font-family);
            background: var(--bg-body);
            color: var(--text-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            padding-top: var(--nav-height);
        }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary); }
        img { max-width: 100%; height: auto; border-radius: var(--radius-sm); }
        .container { max-width: var(--container-max); padding: 0 24px; margin: 0 auto; }
        h1, h2, h3, h4, h5, h6 { color: var(--text-light); font-weight: 700; line-height: 1.3; letter-spacing: -0.02em; }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(15, 15, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            transition: var(--transition);
        }
        .site-header.scrolled { background: rgba(15, 15, 26, 0.98); box-shadow: var(--shadow-md); }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.5px;
        }
        .logo i { color: var(--primary); font-size: 1.6rem; }
        .logo:hover { color: var(--text-light); opacity: 0.9; }
        .nav-links { display: flex; align-items: center; gap: 6px; }
        .nav-links a {
            padding: 8px 18px;
            border-radius: 50px;
            color: var(--text-muted);
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        .nav-links a:hover { color: var(--text-light); background: rgba(255,255,255,0.06); }
        .nav-links a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.35);
        }
        .nav-links a.active:hover { background: var(--primary-dark); }
        .nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
            color: #fff !important;
            padding: 10px 24px !important;
            border-radius: 50px !important;
            font-weight: 600 !important;
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.3);
        }
        .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(230, 57, 70, 0.45) !important; }
        .nav-cta i { margin-right: 6px; }
        .menu-toggle { display: none; background: none; border: none; color: var(--text-light); font-size: 1.5rem; cursor: pointer; padding: 8px; }

        /* ===== 文章主体 ===== */
        .article-wrapper {
            padding: 60px 0 80px;
            min-height: 60vh;
        }
        .article-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 40px;
        }
        .article-header .category-badge {
            display: inline-block;
            background: rgba(230, 57, 70, 0.15);
            color: var(--primary-light);
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            border: 1px solid rgba(230, 57, 70, 0.2);
        }
        .article-header h1 {
            font-size: 2.4rem;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff 60%, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 24px;
            color: var(--text-muted);
            font-size: 0.9rem;
            flex-wrap: wrap;
        }
        .article-meta i { margin-right: 6px; color: var(--primary); }
        .article-meta span { display: flex; align-items: center; }

        .article-content {
            max-width: 800px;
            margin: 0 auto;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 48px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
        }
        .article-content p {
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
            line-height: 1.8;
        }
        .article-content h2 {
            font-size: 1.6rem;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            color: var(--text-light);
        }
        .article-content h3 {
            font-size: 1.25rem;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
            color: var(--text-light);
        }
        .article-content ul, .article-content ol {
            margin-bottom: 1.5rem;
            padding-left: 1.5rem;
        }
        .article-content li { margin-bottom: 0.5rem; }
        .article-content img { border-radius: var(--radius-md); margin: 1.5rem 0; box-shadow: var(--shadow-sm); }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 1.5rem 0;
            background: rgba(230, 57, 70, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-muted);
            font-style: italic;
        }
        .article-content a { color: var(--primary-light); text-decoration: underline; }
        .article-content code {
            background: rgba(255,255,255,0.08);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
        }

        /* 未找到文章 */
        .article-not-found {
            text-align: center;
            padding: 80px 24px;
            max-width: 600px;
            margin: 0 auto;
        }
        .article-not-found i { font-size: 4rem; color: var(--text-muted); margin-bottom: 24px; }
        .article-not-found h2 { font-size: 2rem; margin-bottom: 16px; }
        .article-not-found p { color: var(--text-muted); margin-bottom: 24px; }
        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            border: none;
        }
        .btn-back:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(230, 57, 70, 0.35); }

        /* ===== 相关文章 ===== */
        .related-section { margin-top: 60px; }
        .related-section h2 {
            text-align: center;
            font-size: 1.8rem;
            margin-bottom: 32px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
            max-width: 900px;
            margin: 0 auto;
        }
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary); }
        .related-card .cat-tag {
            font-size: 0.75rem;
            color: var(--primary-light);
            background: rgba(230, 57, 70, 0.12);
            padding: 2px 12px;
            border-radius: 50px;
            display: inline-block;
            margin-bottom: 10px;
        }
        .related-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
        .related-card h3 a { color: var(--text-light); }
        .related-card h3 a:hover { color: var(--primary-light); }
        .related-card p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 12px; }
        .related-card .meta { font-size: 0.8rem; color: var(--text-muted); display: flex; gap: 16px; }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo { font-size: 1.4rem; margin-bottom: 16px; }
        .footer-brand p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; max-width: 320px; }
        .site-footer h4 { font-size: 1rem; margin-bottom: 16px; color: var(--text-light); position: relative; padding-bottom: 8px; }
        .site-footer h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 32px; height: 2px; background: var(--primary); border-radius: 2px; }
        .site-footer ul { list-style: none; padding: 0; }
        .site-footer ul li { margin-bottom: 10px; }
        .site-footer ul a { color: var(--text-muted); font-size: 0.9rem; transition: var(--transition); }
        .site-footer ul a:hover { color: var(--primary-light); padding-left: 4px; }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            color: var(--text-muted);
            font-size: 1.1rem;
            margin-right: 8px;
            transition: var(--transition);
        }
        .footer-social a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-bottom a { color: var(--text-muted); }
        .footer-bottom a:hover { color: var(--primary-light); }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .article-content { padding: 32px; }
            .article-header h1 { font-size: 2rem; }
        }
        @media (max-width: 768px) {
            .menu-toggle { display: block; }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(15, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 8px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                pointer-events: none;
            }
            .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
            .nav-links a { width: 100%; text-align: center; padding: 12px !important; }
            .nav-cta { margin-top: 8px; }
            .article-header h1 { font-size: 1.6rem; }
            .article-content { padding: 24px; border-radius: var(--radius-md); }
            .article-content p { font-size: 1rem; }
            .article-meta { gap: 12px; font-size: 0.8rem; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 520px) {
            .article-wrapper { padding: 40px 0 60px; }
            .article-header h1 { font-size: 1.3rem; }
            .article-content { padding: 16px; }
            .article-meta { flex-wrap: wrap; justify-content: center; }
            .container { padding: 0 16px; }
            .logo { font-size: 1.2rem; }
            .logo i { font-size: 1.2rem; }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #f5a623;
            --primary-dark: #d4891a;
            --primary-light: #ffd166;
            --secondary: #6c5ce7;
            --secondary-dark: #5a4bd1;
            --accent: #fd79a8;
            --bg-dark: #0d0d1a;
            --bg-card: #1a1a2e;
            --bg-card-hover: #22223a;
            --bg-section: #111128;
            --bg-light: #f8f9fa;
            --text-light: #f1f1f1;
            --text-muted: #a0a0b8;
            --text-body: #c8c8d8;
            --border-color: #2a2a4a;
            --border-radius: 16px;
            --border-radius-sm: 10px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 40px rgba(245, 166, 35, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-dark);
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover,
        a:focus {
            color: var(--primary-light);
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 4px;
            border-radius: 4px;
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            padding-left: 1.25rem;
            padding-right: 1.25rem;
            margin-left: auto;
            margin-right: auto;
            width: 100%;
        }

        /* ===== Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            background: rgba(13, 13, 26, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            background: rgba(13, 13, 26, 0.96);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            padding: 0 1.25rem;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.5px;
            transition: opacity var(--transition);
        }
        .logo i {
            color: var(--primary);
            font-size: 1.6rem;
        }
        .logo:hover {
            opacity: 0.85;
            color: var(--text-light);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            list-style: none;
        }
        .nav-links a {
            padding: 0.5rem 1rem;
            border-radius: 100px;
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.92rem;
            transition: all var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-links a.active {
            color: var(--text-light);
            background: rgba(245, 166, 35, 0.18);
            box-shadow: inset 0 0 0 1px rgba(245, 166, 35, 0.2);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .nav-links a.nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #1a1a2e;
            font-weight: 700;
            padding: 0.5rem 1.4rem;
            box-shadow: 0 4px 20px rgba(245, 166, 35, 0.3);
        }
        .nav-links a.nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(245, 166, 35, 0.45);
            color: #1a1a2e;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }
        .nav-links a.nav-cta i {
            margin-right: 0.4rem;
        }

        /* Mobile toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.25rem;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-toggle:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 4px;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            padding: 4rem 0 5rem;
            background: linear-gradient(160deg, #0d0d1a 0%, #1a0a2e 40%, #0d0d1a 100%);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(245, 166, 35, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section .container {
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(245, 166, 35, 0.12);
            border: 1px solid rgba(245, 166, 35, 0.2);
            padding: 0.35rem 1rem;
            border-radius: 100px;
            color: var(--primary-light);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 1.2rem;
        }
        .hero-badge i {
            font-size: 0.75rem;
        }
        .hero-title {
            font-size: clamp(2.2rem, 5.5vw, 4rem);
            font-weight: 800;
            color: var(--text-light);
            line-height: 1.15;
            margin-bottom: 1.2rem;
            letter-spacing: -1px;
        }
        .hero-title span {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 620px;
            margin-bottom: 2rem;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.8rem 2.2rem;
            border-radius: 100px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #1a1a2e;
            box-shadow: 0 4px 24px rgba(245, 166, 35, 0.35);
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 40px rgba(245, 166, 35, 0.45);
            color: #1a1a2e;
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.8rem 2.2rem;
            border-radius: 100px;
            font-weight: 600;
            font-size: 1rem;
            border: 1.5px solid rgba(255, 255, 255, 0.15);
            background: transparent;
            color: var(--text-light);
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-outline-custom:hover {
            border-color: var(--primary);
            background: rgba(245, 166, 35, 0.08);
            color: var(--primary-light);
            transform: translateY(-2px);
        }

        /* ===== Section Shared ===== */
        .section-padding {
            padding: 5rem 0;
        }
        .section-padding-sm {
            padding: 3rem 0;
        }
        .section-title {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 0.75rem;
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 2.5rem;
        }
        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Steps / Timeline ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1.5rem;
        }
        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .step-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: opacity var(--transition);
        }
        .step-card:hover::before {
            opacity: 1;
        }
        .step-card:hover {
            border-color: rgba(245, 166, 35, 0.2);
            transform: translateY(-6px);
            box-shadow: var(--shadow-card);
            background: var(--bg-card-hover);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 54px;
            height: 54px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(245, 166, 35, 0.15), rgba(108, 92, 231, 0.15));
            border: 1px solid rgba(245, 166, 35, 0.15);
            color: var(--primary);
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 1.2rem;
        }
        .step-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 0.6rem;
        }
        .step-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== Content Cards ===== */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
        }
        .content-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .content-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card);
            border-color: rgba(245, 166, 35, 0.15);
            background: var(--bg-card-hover);
        }
        .content-card-img {
            height: 180px;
            background: linear-gradient(135deg, #2a1a3e, #1a2a3e);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: rgba(245, 166, 35, 0.3);
            position: relative;
            overflow: hidden;
        }
        .content-card-img .overlay-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(245, 166, 35, 0.9);
            color: #1a1a2e;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.2rem 0.8rem;
            border-radius: 100px;
            letter-spacing: 0.3px;
        }
        .content-card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .content-card-body .badge {
            align-self: flex-start;
            background: rgba(108, 92, 231, 0.2);
            color: #a29bfe;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 0.25rem 0.9rem;
            border-radius: 100px;
            margin-bottom: 0.7rem;
            border: 1px solid rgba(108, 92, 231, 0.15);
        }
        .content-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }
        .content-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            flex: 1;
            margin-bottom: 1rem;
        }
        .content-card-body .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            transition: gap var(--transition);
        }
        .content-card-body .card-link:hover {
            gap: 0.7rem;
            color: var(--primary-light);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-sm);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(245, 166, 35, 0.12);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 1.2rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            color: var(--text-light);
            font-weight: 600;
            font-size: 1rem;
            text-align: left;
            cursor: pointer;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-question i {
            color: var(--primary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 1.5rem 1.2rem;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.8;
            display: none;
        }
        .faq-answer.show {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(160deg, #1a0a2e, #0d0d1a 60%);
            border-top: 1px solid rgba(245, 166, 35, 0.06);
            border-bottom: 1px solid rgba(245, 166, 35, 0.06);
            text-align: center;
        }
        .cta-section h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 0.8rem;
        }
        .cta-section p {
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 2rem;
            font-size: 1.05rem;
        }
        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0a0a18;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 4rem 0 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand .logo {
            margin-bottom: 0.8rem;
            display: inline-flex;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 320px;
        }
        .site-footer h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 1.2rem;
            letter-spacing: 0.3px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 0.5rem;
        }
        .site-footer ul li a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: all var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--primary-light);
            padding-left: 3px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-muted);
            font-size: 1rem;
            margin-right: 0.4rem;
            transition: all var(--transition);
        }
        .footer-social a:hover {
            background: rgba(245, 166, 35, 0.15);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 0.8rem;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 64px;
            }

            .nav-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(13, 13, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 1rem 1.25rem 1.5rem;
                gap: 0.3rem;
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                pointer-events: none;
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-links a {
                padding: 0.7rem 1.2rem;
                width: 100%;
                border-radius: 12px;
                font-size: 1rem;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.nav-cta {
                margin-top: 0.4rem;
                text-align: center;
                justify-content: center;
            }

            .hero-section {
                padding: 2.5rem 0 3.5rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn-primary-custom,
            .hero-actions .btn-outline-custom {
                justify-content: center;
            }

            .section-padding {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.6rem;
            }

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-buttons .btn-primary-custom,
            .cta-buttons .btn-outline-custom {
                justify-content: center;
            }
        }

        /* ===== Utility ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .bg-glass {
            background: rgba(255, 255, 255, 0.02);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.04);
        }
        .gap-1 {
            gap: 0.5rem;
        }
        .gap-2 {
            gap: 1rem;
        }
        .mt-1 {
            margin-top: 0.5rem;
        }
        .mt-2 {
            margin-top: 1rem;
        }
        .mt-3 {
            margin-top: 1.5rem;
        }
        .mb-2 {
            margin-bottom: 1rem;
        }
        .mb-3 {
            margin-bottom: 1.5rem;
        }
        .text-center {
            text-align: center;
        }
        .text-muted {
            color: var(--text-muted);
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e74c3c;
            --primary-dark: #c0392b;
            --primary-light: #fadbd8;
            --secondary: #f39c12;
            --secondary-light: #fef3e2;
            --accent: #8e44ad;
            --accent-light: #e8daef;
            --bg-dark: #1a1a2e;
            --bg-darker: #0f0f1a;
            --bg-card: #ffffff;
            --bg-section: #f8f9fa;
            --bg-section-alt: #16213e;
            --text-primary: #2c3e50;
            --text-secondary: #6c757d;
            --text-light: #f8f9fa;
            --text-muted: #95a5a6;
            --border-color: #e9ecef;
            --border-light: #f1f3f5;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
            --shadow-glow: 0 0 40px rgba(231, 76, 60, 0.15);
            --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 70px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-base);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-section);
            overflow-x: hidden;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }

        .container {
            max-width: 1200px;
            padding: 0 20px;
            margin: 0 auto;
        }

        /* ===== 胶囊导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(26, 26, 46, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: var(--nav-height);
            transition: var(--transition);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            transition: var(--transition);
        }
        .logo i {
            color: var(--primary);
            font-size: 1.6rem;
        }
        .logo:hover {
            color: var(--primary);
            transform: scale(1.02);
        }
        .logo span {
            background: linear-gradient(135deg, #fff 60%, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        .nav-links a {
            padding: 8px 20px;
            border-radius: 100px;
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-links a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 20px rgba(231, 76, 60, 0.3);
        }
        .nav-links a.nav-cta {
            background: var(--primary);
            color: #fff;
            padding: 8px 24px;
            box-shadow: 0 4px 20px rgba(231, 76, 60, 0.25);
        }
        .nav-links a.nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(231, 76, 60, 0.35);
        }
        .nav-links a.nav-cta i {
            margin-right: 6px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* ===== Hero 分类首屏 ===== */
        .category-hero {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(231, 76, 60, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(142, 68, 173, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .category-hero .breadcrumb {
            display: flex;
            justify-content: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .category-hero .breadcrumb a {
            color: var(--text-muted);
        }
        .category-hero .breadcrumb a:hover {
            color: var(--primary);
        }
        .category-hero .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.2);
        }
        .category-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -1px;
            line-height: 1.2;
        }
        .category-hero h1 i {
            color: var(--primary);
            margin-right: 12px;
        }
        .category-hero .lead {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.65);
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .category-hero .hero-tags {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .category-hero .hero-tags .tag {
            padding: 6px 18px;
            border-radius: 100px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .category-hero .hero-tags .tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .category-hero .hero-tags .tag i {
            margin-right: 6px;
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 80px 0;
        }
        .section-block .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-block .section-title h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-block .section-title h2 i {
            color: var(--primary);
            margin-right: 10px;
        }
        .section-block .section-title p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .section-block .section-title .title-bar {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 4px;
            margin: 16px auto 0;
        }

        .section-block.bg-alt {
            background: var(--bg-section-alt);
        }
        .section-block.bg-alt .section-title h2 {
            color: #fff;
        }
        .section-block.bg-alt .section-title p {
            color: rgba(255, 255, 255, 0.6);
        }
        .section-block.bg-white {
            background: #fff;
        }
        .section-block.bg-light {
            background: var(--bg-section);
        }

        /* ===== 攻略分类子导航 ===== */
        .strategy-categories {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            margin-bottom: 40px;
        }
        .strategy-categories .cat-btn {
            padding: 10px 28px;
            border-radius: 100px;
            border: 2px solid var(--border-color);
            background: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
        }
        .strategy-categories .cat-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .strategy-categories .cat-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 20px rgba(231, 76, 60, 0.25);
        }
        .strategy-categories .cat-btn i {
            margin-right: 8px;
        }

        /* ===== 攻略卡片网格 ===== */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .strategy-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
        }
        .strategy-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .strategy-card .card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
            background: var(--bg-dark);
        }
        .strategy-card .card-img .img-placeholder {
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: rgba(255, 255, 255, 0.15);
            background: linear-gradient(135deg, var(--bg-dark), var(--bg-darker));
        }
        .strategy-card .card-img .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 4px 14px;
            border-radius: 100px;
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .strategy-card .card-img .card-badge.hot {
            background: var(--secondary);
        }
        .strategy-card .card-img .card-badge.new {
            background: var(--accent);
        }
        .strategy-card .card-body {
            padding: 24px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .strategy-card .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .strategy-card .card-body .card-meta span i {
            margin-right: 4px;
        }
        .strategy-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .strategy-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 16px;
            flex: 1;
            line-height: 1.6;
        }
        .strategy-card .card-body .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 16px;
        }
        .strategy-card .card-body .card-tags .mini-tag {
            padding: 2px 12px;
            border-radius: 100px;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 0.75rem;
            font-weight: 500;
        }
        .strategy-card .card-body .card-tags .mini-tag.purple {
            background: var(--accent-light);
            color: var(--accent);
        }
        .strategy-card .card-body .card-tags .mini-tag.gold {
            background: var(--secondary-light);
            color: #b7950b;
        }
        .strategy-card .card-body .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
            margin-top: auto;
        }
        .strategy-card .card-body .read-more:hover {
            gap: 12px;
            color: var(--primary-dark);
        }

        /* ===== 热门攻略排行 ===== */
        .rank-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            transition: var(--transition);
        }
        .rank-item:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateX(4px);
        }
        .rank-item .rank-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 800;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.4);
            flex-shrink: 0;
        }
        .rank-item:nth-child(1) .rank-num {
            background: var(--primary);
            color: #fff;
        }
        .rank-item:nth-child(2) .rank-num {
            background: var(--secondary);
            color: #fff;
        }
        .rank-item:nth-child(3) .rank-num {
            background: var(--accent);
            color: #fff;
        }
        .rank-item .rank-info {
            flex: 1;
        }
        .rank-item .rank-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }
        .rank-item .rank-info p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            margin: 0;
        }
        .rank-item .rank-stat {
            text-align: right;
            flex-shrink: 0;
        }
        .rank-item .rank-stat .num {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--secondary);
        }
        .rank-item .rank-stat .label {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
        }

        /* ===== 攻略专题 ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 32px 26px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .feature-card .icon-box {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.8rem;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        }
        .feature-card:nth-child(2) .icon-box {
            background: linear-gradient(135deg, var(--secondary), #e67e22);
        }
        .feature-card:nth-child(3) .icon-box {
            background: linear-gradient(135deg, var(--accent), #6c3483);
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== 视频攻略区 ===== */
        .video-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .video-card {
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .video-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .video-card .video-thumb {
            position: relative;
            height: 180px;
            background: var(--bg-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        .video-card .video-thumb .play-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(231, 76, 60, 0.9);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.4rem;
            transition: var(--transition);
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(231, 76, 60, 0.3);
        }
        .video-card .video-thumb .play-btn:hover {
            transform: scale(1.1);
            background: var(--primary);
        }
        .video-card .video-thumb .vid-duration {
            position: absolute;
            bottom: 12px;
            right: 12px;
            padding: 2px 12px;
            border-radius: 6px;
            background: rgba(0, 0, 0, 0.7);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .video-card .video-info {
            padding: 18px 20px 20px;
        }
        .video-card .video-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .video-card .video-info p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
        }
        .video-card .video-info .vid-meta {
            display: flex;
            gap: 16px;
            margin-top: 10px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .video-card .video-info .vid-meta i {
            margin-right: 4px;
        }

        /* ===== 攻略数据统计 ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 32px 16px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }
        .stat-item .stat-num {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .stat-item .stat-num .suffix {
            font-size: 1.6rem;
            color: var(--primary);
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 8px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-item .faq-question:hover {
            color: var(--primary);
        }
        .faq-item .faq-question i {
            transition: var(--transition);
            color: var(--text-muted);
        }
        .faq-item .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }
        .faq-item .faq-answer.show {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--bg-dark), var(--bg-darker));
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 50%, rgba(231, 76, 60, 0.06) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.6);
            max-width: 600px;
            margin: 0 auto 32px;
        }
        .cta-section .btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-section .btn-cta {
            padding: 14px 40px;
            border-radius: 100px;
            font-size: 1rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-section .btn-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(231, 76, 60, 0.35);
        }
        .cta-section .btn-cta-outline {
            padding: 14px 40px;
            border-radius: 100px;
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.2);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-section .btn-cta-outline:hover {
            border-color: var(--primary);
            background: rgba(231, 76, 60, 0.1);
            transform: translateY(-3px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-darker);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .site-footer .footer-brand .logo {
            font-size: 1.3rem;
            margin-bottom: 14px;
        }
        .site-footer .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.5);
            max-width: 320px;
        }
        .site-footer h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.88rem;
            transition: var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .site-footer ul li a i {
            margin-right: 6px;
            width: 16px;
            text-align: center;
        }
        .site-footer .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 16px;
        }
        .site-footer .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .site-footer .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.35);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.35);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--primary);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .strategy-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .video-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .rank-list {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 64px;
            }

            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(15, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 20px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                transform: translateY(-110%);
                opacity: 0;
                transition: var(--transition);
                pointer-events: none;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 12px 20px;
                font-size: 1rem;
            }
            .nav-links a.nav-cta {
                margin-top: 8px;
            }
            .nav-toggle {
                display: block;
            }

            .category-hero {
                padding: 110px 0 60px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .category-hero .lead {
                font-size: 1rem;
            }

            .section-block {
                padding: 56px 0;
            }
            .section-block .section-title h2 {
                font-size: 1.6rem;
            }

            .strategy-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .video-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item .stat-num {
                font-size: 2rem;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section .btn-group {
                flex-direction: column;
                align-items: center;
            }
            .rank-item {
                flex-wrap: wrap;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-tags .tag {
                font-size: 0.78rem;
                padding: 4px 14px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .stat-item .stat-num {
                font-size: 1.6rem;
            }
            .strategy-card .card-body {
                padding: 18px 16px;
            }
            .strategy-card .card-img {
                height: 160px;
            }
            .faq-item .faq-question {
                font-size: 0.9rem;
                padding: 14px 18px;
            }
            .faq-item .faq-answer {
                padding: 0 18px 14px;
                font-size: 0.85rem;
            }
            .cta-section .btn-cta,
            .cta-section .btn-cta-outline {
                width: 100%;
                justify-content: center;
            }
        }