/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6C3CE1;
            --primary-dark: #5228B5;
            --primary-light: #8B6CE6;
            --primary-soft: #F0EBFF;
            --secondary: #FF6B35;
            --secondary-light: #FF8F66;
            --accent: #00C9A7;
            --accent-dark: #00A88B;
            --bg-dark: #0F0B1A;
            --bg-section: #F8F6FE;
            --bg-card: #FFFFFF;
            --text-dark: #1A142D;
            --text-body: #3D3652;
            --text-light: #7A7394;
            --text-white: #FFFFFF;
            --border-light: #E8E3F4;
            --border-medium: #D0C8E8;
            --shadow-sm: 0 2px 8px rgba(108, 60, 225, 0.08);
            --shadow-md: 0 8px 32px rgba(108, 60, 225, 0.12);
            --shadow-lg: 0 20px 60px rgba(108, 60, 225, 0.18);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1280px;
            --nav-height: 80px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::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-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-dark);
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }
        ul,
        ol {
            list-style: none;
        }

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

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            background: rgba(15, 11, 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, 11, 26, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
        }
        .site-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            font-weight: 700;
        }
        .site-logo:hover {
            color: var(--text-white);
            opacity: 0.9;
        }
        .site-logo .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            margin-left: 2px;
            vertical-align: super;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-main a {
            padding: 8px 20px;
            border-radius: 100px;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
            position: relative;
        }
        .nav-main a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-main a.active {
            color: var(--text-white);
            background: rgba(108, 60, 225, 0.25);
            box-shadow: inset 0 0 0 1px rgba(108, 60, 225, 0.3);
        }
        .nav-main a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary-light);
            border-radius: 2px;
        }

        .nav-cta {
            padding: 10px 28px !important;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
            color: var(--text-white) !important;
            border-radius: 100px !important;
            font-weight: 600 !important;
            box-shadow: 0 4px 20px rgba(108, 60, 225, 0.35);
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(108, 60, 225, 0.5) !important;
            background: linear-gradient(135deg, var(--primary-light), var(--primary)) !important;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .nav-toggle span {
            display: block;
            width: 28px;
            height: 2px;
            background: var(--text-white);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ===== Hero 首屏 ===== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 120px 0 80px;
            background: var(--bg-dark);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse 80% 60% at 20% 20%, rgba(108, 60, 225, 0.15) 0%, transparent 70%),
                radial-gradient(ellipse 60% 50% at 80% 80%, rgba(255, 107, 53, 0.1) 0%, transparent 70%),
                radial-gradient(ellipse 40% 40% at 50% 50%, rgba(0, 201, 167, 0.06) 0%, transparent 60%);
            pointer-events: none;
            z-index: 0;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.08;
            z-index: 0;
            mix-blend-mode: screen;
        }
        .hero-grid-deco {
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 60px 60px;
            z-index: 1;
            pointer-events: none;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 24px;
            background: rgba(108, 60, 225, 0.15);
            border: 1px solid rgba(108, 60, 225, 0.25);
            border-radius: 100px;
            color: var(--primary-light);
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 32px;
            backdrop-filter: blur(10px);
        }
        .hero-badge i {
            font-size: 0.75rem;
            color: var(--accent);
        }
        .hero-title {
            font-size: clamp(2.8rem, 7vw, 5.2rem);
            font-weight: 800;
            line-height: 1.1;
            color: var(--text-white);
            letter-spacing: -2px;
            margin-bottom: 24px;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--primary-light), var(--secondary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-sub {
            font-size: clamp(1.05rem, 1.5vw, 1.3rem);
            color: rgba(255, 255, 255, 0.6);
            max-width: 680px;
            margin: 0 auto 40px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            align-items: center;
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--text-white);
            border-radius: 100px;
            font-weight: 600;
            font-size: 1.05rem;
            border: none;
            box-shadow: 0 8px 32px rgba(108, 60, 225, 0.35);
            transition: var(--transition);
        }
        .btn-primary-custom:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 48px rgba(108, 60, 225, 0.5);
            color: var(--text-white);
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            background: transparent;
            color: var(--text-white);
            border-radius: 100px;
            font-weight: 600;
            font-size: 1.05rem;
            border: 1.5px solid rgba(255, 255, 255, 0.2);
            transition: var(--transition);
        }
        .btn-outline-custom:hover {
            border-color: var(--primary-light);
            background: rgba(108, 60, 225, 0.1);
            color: var(--text-white);
            transform: translateY(-4px);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: center;
            margin-top: 60px;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -1px;
        }
        .hero-stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.45);
            margin-top: 4px;
        }
        .hero-stat-number .accent {
            color: var(--accent);
        }
        .hero-stat-number .secondary {
            color: var(--secondary);
        }
        .hero-stat-number .primary-light {
            color: var(--primary-light);
        }

        /* ===== 通用板块 ===== */
        .section-pad {
            padding: 100px 0;
        }
        .section-pad-sm {
            padding: 60px 0;
        }
        .section-bg-light {
            background: var(--bg-section);
        }
        .section-bg-dark {
            background: var(--bg-dark);
        }
        .section-bg-white {
            background: #FFFFFF;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            background: var(--primary-soft);
            border-radius: 100px;
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .section-label i {
            font-size: 0.7rem;
        }
        .section-title {
            font-size: clamp(2rem, 3.5vw, 2.8rem);
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .section-title .highlight {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-desc {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 600px;
            line-height: 1.8;
        }
        .section-desc.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-title.center,
        .section-label.center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        .section-label.center {
            display: inline-flex;
        }

        .dark-bg .section-title {
            color: var(--text-white);
        }
        .dark-bg .section-desc {
            color: rgba(255, 255, 255, 0.6);
        }
        .dark-bg .section-label {
            background: rgba(108, 60, 225, 0.2);
            color: var(--primary-light);
        }

        /* ===== 特色/服务卡片 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
            margin-top: 48px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 40px 32px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-medium);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: #fff;
        }
        .feature-icon.purple {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        }
        .feature-icon.orange {
            background: linear-gradient(135deg, var(--secondary), #E85D2C);
        }
        .feature-icon.teal {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
        }
        .feature-icon.blue {
            background: linear-gradient(135deg, #4F8CF6, #2D6BDF);
        }
        .feature-icon.pink {
            background: linear-gradient(135deg, #E84C8A, #C02D6A);
        }
        .feature-icon.gold {
            background: linear-gradient(135deg, #F9A825, #E08600);
        }

        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }
        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .feature-card .feature-tag {
            display: inline-block;
            padding: 4px 14px;
            background: var(--primary-soft);
            color: var(--primary);
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 500;
            margin-top: 16px;
        }

        /* ===== 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-top: 48px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: block;
            text-decoration: none;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-medium);
            text-decoration: none;
        }
        .category-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: var(--transition);
        }
        .category-card:hover .card-img {
            transform: scale(1.05);
        }
        .category-card .card-body {
            padding: 20px 24px 24px;
        }
        .category-card .cat-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 12px;
        }
        .category-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .category-card p {
            font-size: 0.88rem;
            color: var(--text-light);
            margin-bottom: 0;
            line-height: 1.6;
        }
        .category-card .cat-count {
            display: inline-block;
            padding: 2px 12px;
            background: var(--primary-soft);
            color: var(--primary);
            border-radius: 100px;
            font-size: 0.78rem;
            font-weight: 500;
            margin-top: 12px;
        }

        /* ===== 最新资讯/列表 ===== */
        .post-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 28px;
            margin-top: 48px;
        }
        .post-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .post-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-medium);
        }
        .post-card .post-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: var(--transition);
        }
        .post-card:hover .post-img {
            transform: scale(1.03);
        }
        .post-card .post-body {
            padding: 24px;
        }
        .post-card .post-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-light);
            margin-bottom: 12px;
        }
        .post-card .post-meta .cat-badge {
            padding: 2px 14px;
            background: var(--primary-soft);
            color: var(--primary);
            border-radius: 100px;
            font-weight: 500;
        }
        .post-card .post-meta .date {
            color: var(--text-light);
        }
        .post-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 10px;
        }
        .post-card h3 a {
            color: var(--text-dark);
        }
        .post-card h3 a:hover {
            color: var(--primary);
        }
        .post-card p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .post-card .post-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 24px;
            border-top: 1px solid var(--border-light);
            background: #FAF9FE;
        }
        .post-card .post-footer .read-more {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary);
        }
        .post-card .post-footer .read-more i {
            transition: var(--transition);
            font-size: 0.7rem;
        }
        .post-card .post-footer .read-more:hover i {
            transform: translateX(4px);
        }

        .empty-state {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 24px;
            background: rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-medium);
        }
        .empty-state i {
            font-size: 3rem;
            color: var(--text-light);
            margin-bottom: 16px;
            opacity: 0.4;
        }
        .empty-state p {
            font-size: 1.05rem;
            color: var(--text-light);
        }

        /* ===== 数据/流程 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
            margin-top: 48px;
        }
        .stat-block {
            text-align: center;
            padding: 40px 24px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }
        .stat-block:hover {
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-4px);
        }
        .stat-block .stat-num {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -1px;
            line-height: 1.2;
        }
        .stat-block .stat-num .highlight {
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-block .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 8px;
        }
        .stat-block .stat-icon {
            font-size: 2rem;
            color: var(--primary-light);
            margin-bottom: 16px;
            opacity: 0.6;
        }

        /* ===== 流程步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            margin-top: 48px;
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            position: relative;
            transition: var(--transition);
        }
        .step-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .step-item .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 auto 16px;
            box-shadow: 0 4px 20px rgba(108, 60, 225, 0.25);
        }
        .step-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 48px auto 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-medium);
        }
        .faq-question {
            width: 100%;
            padding: 20px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: none;
            border: none;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 0.8rem;
            transition: var(--transition);
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 28px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 28px 20px;
        }
        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 0;
        }

        .dark-bg .faq-item {
            background: rgba(255, 255, 255, 0.04);
            border-color: rgba(255, 255, 255, 0.08);
        }
        .dark-bg .faq-question {
            color: var(--text-white);
        }
        .dark-bg .faq-question:hover {
            color: var(--primary-light);
        }
        .dark-bg .faq-item .faq-icon {
            background: rgba(108, 60, 225, 0.2);
            color: var(--primary-light);
        }
        .dark-bg .faq-item.open .faq-icon {
            background: var(--primary-light);
            color: #fff;
        }
        .dark-bg .faq-answer p {
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 100px 0;
            background: var(--bg-dark);
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse 60% 50% at 30% 50%, rgba(108, 60, 225, 0.12) 0%, transparent 70%),
                radial-gradient(ellipse 40% 40% at 70% 50%, rgba(255, 107, 53, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.06;
            mix-blend-mode: screen;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-title {
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -1px;
            margin-bottom: 20px;
        }
        .cta-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.55);
            max-width: 560px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0D0A16;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 60px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.45);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            padding: 6px 0;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.45);
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .footer-bottom p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.3);
            margin-bottom: 0;
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 24px;
        }
        .footer-bottom .footer-links a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.3);
        }
        .footer-bottom .footer-links a:hover {
            color: var(--primary-light);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 1rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .features-grid {
                grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 68px;
            }
            .container {
                padding: 0 16px;
            }
            .section-pad {
                padding: 60px 0;
            }
            .section-pad-sm {
                padding: 40px 0;
            }

            .nav-main {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(15, 11, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 6px;
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                pointer-events: none;
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-main a {
                padding: 14px 20px;
                font-size: 1.05rem;
                width: 100%;
                border-radius: 12px;
            }
            .nav-main a.active::after {
                display: none;
            }
            .nav-main .nav-cta {
                margin-top: 8px;
                text-align: center;
            }
            .nav-toggle {
                display: flex;
            }

            .hero-section {
                min-height: auto;
                padding: 100px 0 60px;
            }
            .hero-title {
                font-size: clamp(2.2rem, 8vw, 3rem);
            }
            .hero-stats {
                gap: 24px;
                padding-top: 28px;
                margin-top: 40px;
            }
            .hero-stat-number {
                font-size: 1.6rem;
            }

            .features-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .category-grid {
                grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
                gap: 16px;
            }
            .post-list {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-grid {
                grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
                gap: 16px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

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

            .faq-question {
                padding: 16px 20px;
                font-size: 0.98rem;
            }
            .faq-answer {
                padding: 0 20px;
            }
            .faq-item.open .faq-answer {
                padding: 0 20px 16px;
            }

            .cta-section {
                padding: 60px 0;
            }
            .btn-primary-custom,
            .btn-outline-custom {
                padding: 14px 32px;
                font-size: 0.98rem;
            }
        }

        @media (max-width: 520px) {
            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .category-card .card-img {
                height: 120px;
            }
            .category-card .card-body {
                padding: 14px 16px 18px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-block {
                padding: 24px 16px;
            }
            .stat-block .stat-num {
                font-size: 2rem;
            }
            .footer-social a {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
            }
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-dark);
        }

        /* ===== 选中高亮 ===== */
        ::selection {
            background: var(--primary);
            color: #fff;
        }

        /* Bootstrap 覆盖 */
        .btn {
            border-radius: 100px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border: none;
            box-shadow: 0 4px 20px rgba(108, 60, 225, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(108, 60, 225, 0.45);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }
        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.2);
            color: var(--text-white);
        }
        .btn-outline-light:hover {
            background: rgba(108, 60, 225, 0.15);
            border-color: var(--primary-light);
            color: var(--text-white);
            transform: translateY(-3px);
        }
        .card {
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-medium);
        }
        .badge {
            border-radius: 100px;
            font-weight: 500;
            padding: 4px 14px;
        }

/* roulang page: article */
:root {
            --primary: #6c3ef5;
            --primary-dark: #5429cc;
            --primary-light: #8b5cf6;
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #ec4899;
            --bg-dark: #0f0b1a;
            --bg-section: #f8f7fe;
            --bg-white: #ffffff;
            --text-dark: #1a1a2e;
            --text-body: #4a4a6a;
            --text-light: #8a8aaa;
            --text-white: #ffffff;
            --border-color: #e8e6f0;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(108, 62, 245, 0.08);
            --shadow-md: 0 8px 30px rgba(108, 62, 245, 0.12);
            --shadow-lg: 0 20px 60px rgba(108, 62, 245, 0.18);
            --shadow-purple: 0 8px 32px rgba(108, 62, 245, 0.25);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            color: var(--text-body);
            background: var(--bg-white);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        /* ===== Header / Nav ===== */
        .site-header {
            background: var(--bg-dark);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

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

        .site-logo {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 24px;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
        }
        .site-logo:hover {
            color: var(--secondary);
        }
        .site-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 10px;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
        }
        .site-logo .logo-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            background: var(--secondary);
            border-radius: 50%;
            margin: 0 2px;
            vertical-align: middle;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-main a {
            padding: 8px 18px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }
        .nav-main a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-main a.active {
            color: var(--text-white);
            background: rgba(108, 62, 245, 0.25);
        }
        .nav-main a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--secondary);
            border-radius: 2px;
        }
        .nav-main a.nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff !important;
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: var(--shadow-purple);
            margin-left: 8px;
        }
        .nav-main a.nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(108, 62, 245, 0.35);
            background: linear-gradient(135deg, var(--primary-dark), var(--accent));
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 6px;
            cursor: pointer;
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-white);
            border-radius: 4px;
            transition: var(--transition);
        }

        /* ===== Article Hero ===== */
        .article-hero {
            background: var(--bg-dark);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.12;
            z-index: 1;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .article-hero .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .article-hero .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .article-hero .breadcrumb-custom a:hover {
            color: var(--secondary);
        }
        .article-hero .breadcrumb-custom .sep {
            color: rgba(255, 255, 255, 0.3);
        }
        .article-hero .breadcrumb-custom .current {
            color: var(--secondary);
        }
        .article-hero h1 {
            font-size: 40px;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.25;
            max-width: 800px;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .article-hero .meta-bar {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
        }
        .article-hero .meta-bar .badge-cat {
            display: inline-block;
            padding: 4px 16px;
            background: rgba(108, 62, 245, 0.3);
            border: 1px solid rgba(108, 62, 245, 0.4);
            border-radius: 50px;
            color: var(--secondary-light);
            font-size: 13px;
            font-weight: 500;
        }
        .article-hero .meta-bar i {
            margin-right: 5px;
            opacity: 0.6;
        }

        /* ===== Article Content ===== */
        .article-section {
            padding: 60px 0 80px;
            background: var(--bg-white);
        }
        .article-content-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .article-body {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-body);
        }
        .article-body h2,
        .article-body h3,
        .article-body h4 {
            color: var(--text-dark);
            font-weight: 700;
            margin-top: 40px;
            margin-bottom: 16px;
        }
        .article-body h2 {
            font-size: 28px;
        }
        .article-body h3 {
            font-size: 22px;
        }
        .article-body p {
            margin-bottom: 20px;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 20px;
            padding-left: 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body img {
            border-radius: var(--radius);
            margin: 28px 0;
            box-shadow: var(--shadow-md);
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--bg-section);
            padding: 20px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 28px 0;
            font-style: italic;
            color: var(--text-body);
        }
        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: var(--accent);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid var(--border-color);
        }
        .article-tags .tag {
            display: inline-block;
            padding: 6px 18px;
            background: var(--bg-section);
            border-radius: 50px;
            font-size: 13px;
            color: var(--text-body);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .article-tags .tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .article-nav {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            margin-top: 50px;
            padding-top: 30px;
            border-top: 1px solid var(--border-color);
        }
        .article-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 22px;
            background: var(--bg-section);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            color: var(--text-body);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            flex: 1;
            max-width: 48%;
        }
        .article-nav a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .article-nav a.nav-next {
            text-align: right;
            justify-content: flex-end;
        }
        .article-nav a i {
            font-size: 16px;
        }

        /* ===== Related Posts ===== */
        .related-section {
            padding: 60px 0;
            background: var(--bg-section);
        }
        .related-section .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 36px;
            text-align: center;
        }

        .related-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            height: 100%;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .related-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card .card-body {
            padding: 22px 24px 24px;
        }
        .related-card .card-body h5 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body p {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body .meta-sm {
            font-size: 12px;
            color: var(--text-light);
        }
        .related-card .card-body .meta-sm .badge {
            background: var(--bg-section);
            color: var(--primary);
            font-weight: 500;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 11px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 70px 0;
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 14px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 18px;
            max-width: 600px;
            margin: 0 auto 32px;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            padding: 16px 42px;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: var(--text-dark);
            font-weight: 700;
            font-size: 18px;
            border-radius: 50px;
            border: none;
            transition: var(--transition);
            box-shadow: 0 8px 32px rgba(245, 158, 11, 0.3);
        }
        .cta-section .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 48px rgba(245, 158, 11, 0.45);
            color: var(--text-dark);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            padding: 60px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-social {
            display: flex;
            gap: 14px;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.6);
            font-size: 18px;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }
        .footer-col h5 {
            color: var(--text-white);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 22px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
            margin: 0;
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 20px;
        }
        .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
        }
        .footer-bottom .footer-links a:hover {
            color: var(--secondary);
        }

        /* ===== Responsive ===== */
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .article-hero h1 {
                font-size: 32px;
            }
            .related-card .card-img {
                height: 170px;
            }
        }

        @media (max-width: 768px) {
            .site-header .container {
                height: 64px;
            }
            .nav-main {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--bg-dark);
                flex-direction: column;
                padding: 20px 24px 30px;
                gap: 4px;
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                z-index: 1040;
                box-shadow: var(--shadow-lg);
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-main a {
                padding: 12px 18px;
                width: 100%;
                font-size: 16px;
            }
            .nav-main a.active::after {
                bottom: 6px;
            }
            .nav-main a.nav-cta {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
            }
            .nav-toggle {
                display: flex;
            }

            .article-hero {
                padding: 50px 0 40px;
            }
            .article-hero h1 {
                font-size: 26px;
            }
            .article-hero .meta-bar {
                gap: 12px;
                font-size: 13px;
            }

            .article-section {
                padding: 40px 0 50px;
            }
            .article-body {
                font-size: 16px;
            }
            .article-body h2 {
                font-size: 24px;
            }
            .article-body h3 {
                font-size: 19px;
            }

            .article-nav {
                flex-direction: column;
            }
            .article-nav a {
                max-width: 100%;
            }

            .related-section .section-title {
                font-size: 24px;
            }
            .related-card .card-img {
                height: 180px;
            }

            .cta-section h2 {
                font-size: 26px;
            }
            .cta-section p {
                font-size: 16px;
            }
            .cta-section .btn-cta {
                padding: 14px 32px;
                font-size: 16px;
            }

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

        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 22px;
            }
            .article-body {
                font-size: 15px;
            }
            .related-card .card-img {
                height: 150px;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .site-logo {
                font-size: 20px;
            }
            .site-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #a29bfe;
            --secondary: #fd79a8;
            --accent: #00cec9;
            --bg-dark: #0f0e1a;
            --bg-section: #1a1833;
            --bg-card: #221f3a;
            --bg-card-hover: #2d2952;
            --text-light: #f0eff5;
            --text-muted: #b0aec8;
            --text-dim: #7a78a0;
            --border-color: rgba(108, 92, 231, 0.2);
            --border-hover: rgba(108, 92, 231, 0.4);
            --shadow-sm: 0 2px 12px rgba(108, 92, 231, 0.08);
            --shadow-md: 0 8px 30px rgba(108, 92, 231, 0.15);
            --shadow-lg: 0 16px 48px rgba(108, 92, 231, 0.25);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 14, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
            padding: 0;
        }

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

        .site-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.5px;
            transition: var(--transition);
            text-decoration: none;
        }
        .site-logo:hover {
            color: var(--primary-light);
            transform: scale(1.02);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 12px;
            color: #fff;
            font-weight: 900;
            font-size: 1.3rem;
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.3);
        }
        .logo-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            background: var(--secondary);
            border-radius: 50%;
            margin: 0 2px;
            vertical-align: middle;
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.8);
            }
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-main a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
            position: relative;
            padding: 4px 0;
            transition: var(--transition);
            text-decoration: none;
        }
        .nav-main a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-main a:hover {
            color: var(--text-light);
        }
        .nav-main a:hover::after {
            width: 100%;
        }
        .nav-main a.active {
            color: var(--text-light);
        }
        .nav-main a.active::after {
            width: 100%;
        }
        .nav-main a.nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff !important;
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
            transition: var(--transition);
        }
        .nav-main a.nav-cta::after {
            display: none;
        }
        .nav-main a.nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(108, 92, 231, 0.4);
            color: #fff !important;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--text-light);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(108, 92, 231, 0.1);
        }

        /* ===== Page Banner ===== */
        .page-banner {
            padding-top: 120px;
            padding-bottom: 80px;
            background: linear-gradient(135deg, rgba(15, 14, 26, 0.95), rgba(26, 24, 51, 0.9)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.12), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(253, 121, 168, 0.08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-banner .container {
            position: relative;
            z-index: 1;
        }
        .page-banner h1 {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -1px;
        }
        .page-banner p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 640px;
            margin-bottom: 0;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-dim);
            margin-bottom: 20px;
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
        }
        .breadcrumb-custom a:hover {
            color: var(--primary-light);
        }
        .breadcrumb-custom span {
            color: var(--text-light);
        }
        .breadcrumb-custom i {
            font-size: 0.7rem;
            color: var(--text-dim);
        }

        /* ===== Category Tabs ===== */
        .category-tabs {
            padding: 40px 0;
            border-bottom: 1px solid var(--border-color);
            background: var(--bg-section);
        }
        .category-tabs .tabs-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .category-tabs .tab-item {
            padding: 10px 28px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .category-tabs .tab-item:hover {
            border-color: var(--primary);
            color: var(--text-light);
            background: rgba(108, 92, 231, 0.1);
        }
        .category-tabs .tab-item.active {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
        }

        /* ===== Game Grid ===== */
        .game-grid-section {
            padding: 60px 0 80px;
            background: var(--bg-dark);
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 600px;
        }
        .section-header .header-line {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 4px;
            margin-top: 12px;
        }

        .game-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .game-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-md);
            background: var(--bg-card-hover);
        }
        .game-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
        }
        .game-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .game-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .game-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 14px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #fff;
            box-shadow: 0 2px 12px rgba(108, 92, 231, 0.3);
        }
        .game-card .card-rating {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(8px);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.8rem;
            color: #ffd700;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .game-card .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .game-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-light);
        }
        .game-card .card-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex: 1;
            line-height: 1.6;
        }
        .game-card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-dim);
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
            margin-top: auto;
        }
        .game-card .card-meta i {
            margin-right: 4px;
        }
        .game-card .card-meta .tag {
            padding: 2px 12px;
            background: rgba(108, 92, 231, 0.12);
            border-radius: 50px;
            color: var(--primary-light);
            font-size: 0.75rem;
        }

        /* ===== Featured Section ===== */
        .featured-section {
            padding: 60px 0;
            background: var(--bg-section);
        }
        .featured-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            align-items: center;
        }
        .featured-content h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.3;
        }
        .featured-content .feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
        }
        .featured-content .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .featured-content .feature-list li i {
            color: var(--accent);
            font-size: 1.1rem;
            margin-top: 4px;
            flex-shrink: 0;
        }
        .featured-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: var(--transition);
        }
        .featured-image:hover img {
            transform: scale(1.03);
        }

        /* ===== Stats ===== */
        .stats-section {
            padding: 50px 0;
            background: linear-gradient(135deg, var(--bg-section), rgba(108, 92, 231, 0.05));
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }
        .stat-item h3 {
            font-size: 2.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 4px;
        }
        .stat-item p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 60px 0 80px;
            background: var(--bg-dark);
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-hover);
        }
        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-light);
            transition: var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question i {
            color: var(--primary-light);
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.12), rgba(253, 121, 168, 0.08)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            border-top: 1px solid var(--border-color);
            text-align: center;
            position: relative;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            padding: 16px 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            box-shadow: 0 8px 30px rgba(108, 92, 231, 0.3);
            transition: var(--transition);
            text-decoration: none;
        }
        .cta-section .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(108, 92, 231, 0.4);
            color: #fff;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-section);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-color);
        }
        .footer-brand .site-logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            color: var(--text-dim);
            font-size: 0.9rem;
            max-width: 320px;
            line-height: 1.7;
        }
        .footer-social {
            display: flex;
            gap: 14px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--bg-card);
            border-radius: 50%;
            color: var(--text-muted);
            font-size: 1.1rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-3px);
        }
        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 20px;
        }
        .footer-col a {
            display: block;
            color: var(--text-dim);
            font-size: 0.9rem;
            padding: 6px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 24px;
            font-size: 0.85rem;
            color: var(--text-dim);
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 20px;
        }
        .footer-bottom .footer-links a {
            color: var(--text-dim);
            transition: var(--transition);
        }
        .footer-bottom .footer-links a:hover {
            color: var(--primary-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .featured-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .featured-image {
                order: -1;
            }
        }

        @media (max-width: 768px) {
            .site-header .container {
                height: 64px;
            }
            .nav-main {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(15, 14, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 24px 32px;
                gap: 16px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                pointer-events: none;
                align-items: stretch;
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-main a {
                font-size: 1.05rem;
                padding: 10px 0;
            }
            .nav-main a.nav-cta {
                text-align: center;
                padding: 12px 24px;
                margin-top: 8px;
            }
            .nav-toggle {
                display: flex;
            }
            .page-banner {
                padding-top: 100px;
                padding-bottom: 50px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner p {
                font-size: 1rem;
            }
            .game-grid-section {
                padding: 40px 0 60px;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item h3 {
                font-size: 2rem;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
            .footer-bottom .footer-links {
                flex-wrap: wrap;
                justify-content: center;
            }
            .category-tabs .tabs-wrap {
                flex-wrap: nowrap;
                overflow-x: auto;
                padding-bottom: 8px;
                -webkit-overflow-scrolling: touch;
            }
            .category-tabs .tab-item {
                flex-shrink: 0;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .game-card .card-body h3 {
                font-size: 1rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item h3 {
                font-size: 1.6rem;
            }
            .cta-section .btn-cta {
                padding: 14px 28px;
                font-size: 0.95rem;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .featured-content h2 {
                font-size: 1.4rem;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 16px 18px;
            }
            .faq-answer {
                padding: 0 18px 16px;
                font-size: 0.85rem;
            }
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }
        .animate-in-d1 {
            animation-delay: 0.1s;
        }
        .animate-in-d2 {
            animation-delay: 0.2s;
        }
        .animate-in-d3 {
            animation-delay: 0.3s;
        }
        .animate-in-d4 {
            animation-delay: 0.4s;
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-dark);
        }

        /* ===== Focus ===== */
        :focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Extra Utilities ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .mt-3 {
            margin-top: 16px;
        }
        .me-2 {
            margin-right: 8px;
        }
        .mb-0 {
            margin-bottom: 0;
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c3ff0;
            --primary-dark: #5429c9;
            --primary-light: #8b6cf7;
            --primary-gradient: linear-gradient(135deg, #6c3ff0 0%, #a855f7 100%);
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #ec4899;
            --bg-dark: #0f0f1a;
            --bg-card: #1a1a2e;
            --bg-card-hover: #222240;
            --bg-section: #12121f;
            --bg-light: #f8f7ff;
            --text-primary: #f1f0ff;
            --text-secondary: #b8b5d4;
            --text-muted: #7a78a0;
            --border-color: rgba(108, 63, 240, 0.2);
            --border-light: rgba(255, 255, 255, 0.06);
            --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);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --container-max: 1280px;
        }

        /* ===== 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);
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            outline: none;
        }
        ::selection {
            background: var(--primary);
            color: #fff;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
            margin: 0 auto;
            width: 100%;
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(15, 15, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
            height: 72px;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            text-decoration: none;
            transition: var(--transition);
        }
        .site-logo:hover {
            color: var(--primary-light);
            transform: scale(1.02);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary-gradient);
            border-radius: var(--radius-sm);
            font-size: 1.4rem;
            font-weight: 900;
            color: #fff;
            box-shadow: 0 4px 16px rgba(108, 63, 240, 0.35);
        }
        .logo-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            background: var(--secondary);
            border-radius: 50%;
            margin: 0 2px;
            vertical-align: middle;
        }

        /* Navigation */
        .nav-main {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-main a {
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.3px;
        }
        .nav-main a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--primary-gradient);
            border-radius: 2px;
            transition: transform 0.3s ease;
        }
        .nav-main a:hover {
            color: var(--text-primary);
            background: rgba(108, 63, 240, 0.1);
        }
        .nav-main a:hover::after {
            transform: translateX(-50%) scaleX(1);
        }
        .nav-main a.active {
            color: var(--text-primary);
            background: rgba(108, 63, 240, 0.15);
        }
        .nav-main a.active::after {
            transform: translateX(-50%) scaleX(1);
        }
        .nav-main .nav-cta {
            background: var(--primary-gradient);
            color: #fff !important;
            padding: 10px 28px;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: 0 4px 20px rgba(108, 63, 240, 0.3);
            margin-left: 12px;
        }
        .nav-main .nav-cta::after {
            display: none;
        }
        .nav-main .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(108, 63, 240, 0.45);
            background: linear-gradient(135deg, #7c4ff0 0%, #b865f7 100%);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle span {
            display: block;
            width: 28px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-toggle:hover span {
            background: var(--primary-light);
        }

        @media (max-width: 992px) {
            .nav-main {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(15, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 24px 32px;
                gap: 12px;
                border-bottom: 1px solid var(--border-light);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                box-shadow: var(--shadow-lg);
                align-items: stretch;
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-main a {
                padding: 14px 20px;
                font-size: 1.05rem;
                text-align: center;
                border-radius: var(--radius-sm);
                border: 1px solid transparent;
            }
            .nav-main a::after {
                display: none;
            }
            .nav-main a.active {
                border-color: var(--primary);
                background: rgba(108, 63, 240, 0.12);
            }
            .nav-main .nav-cta {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-toggle.open span:nth-child(1) {
                transform: rotate(45deg) translate(5px, 5px);
            }
            .nav-toggle.open span:nth-child(2) {
                opacity: 0;
                transform: scaleX(0);
            }
            .nav-toggle.open span:nth-child(3) {
                transform: rotate(-45deg) translate(5px, -5px);
            }
        }

        @media (max-width: 576px) {
            .site-logo {
                font-size: 1.3rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1.1rem;
            }
        }

        /* ===== Page Banner ===== */
        .page-banner {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, rgba(15, 15, 26, 0.95) 0%, rgba(26, 26, 46, 0.9) 100%),
                url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-light);
        }
        .page-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(108, 63, 240, 0.12), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(165, 85, 247, 0.08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .page-banner h1 {
            font-size: 3rem;
            font-weight: 900;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
            letter-spacing: -1px;
            line-height: 1.2;
        }
        .page-banner .breadcrumb {
            background: none;
            padding: 0;
            margin: 0 0 20px;
        }
        .page-banner .breadcrumb-item {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .page-banner .breadcrumb-item a {
            color: var(--primary-light);
        }
        .page-banner .breadcrumb-item+.breadcrumb-item::before {
            color: var(--text-muted);
        }
        .page-banner .breadcrumb-item.active {
            color: var(--secondary);
        }
        .page-banner p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.8;
        }
        .page-banner .banner-stats {
            display: flex;
            gap: 40px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .page-banner .banner-stats .stat-item {
            display: flex;
            flex-direction: column;
        }
        .page-banner .banner-stats .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
        }
        .page-banner .banner-stats .stat-number span {
            color: var(--secondary);
        }
        .page-banner .banner-stats .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 120px 0 60px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner p {
                font-size: 1rem;
            }
            .page-banner .banner-stats {
                gap: 24px;
            }
            .page-banner .banner-stats .stat-number {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 576px) {
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-stats {
                gap: 16px;
            }
            .page-banner .banner-stats .stat-number {
                font-size: 1.3rem;
            }
        }

        /* ===== Section通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-sm {
            padding: 50px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }
        .section-header h2 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .section-header .divider {
            width: 60px;
            height: 3px;
            background: var(--primary-gradient);
            border-radius: 3px;
            margin: 16px auto 0;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .section-header p {
                font-size: 0.95rem;
            }
        }

        /* ===== 攻略卡片 ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .guide-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            border-color: rgba(108, 63, 240, 0.3);
            box-shadow: var(--shadow-md);
            background: var(--bg-card-hover);
        }
        .guide-card .card-image {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .guide-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .guide-card:hover .card-image img {
            transform: scale(1.05);
        }
        .guide-card .card-image .badge-top {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary-gradient);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(108, 63, 240, 0.3);
        }
        .guide-card .card-image .badge-hot {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--accent);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(236, 72, 153, 0.3);
        }
        .guide-card .card-body {
            padding: 24px;
        }
        .guide-card .card-body .game-tag {
            display: inline-block;
            background: rgba(108, 63, 240, 0.12);
            color: var(--primary-light);
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 500;
            margin-bottom: 10px;
        }
        .guide-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .guide-card .card-body h3 a {
            color: inherit;
        }
        .guide-card .card-body h3 a:hover {
            color: var(--primary-light);
        }
        .guide-card .card-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .guide-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 24px 20px;
            border-top: 1px solid var(--border-light);
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .guide-card .card-footer .author {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .guide-card .card-footer .author img {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--primary);
        }
        .guide-card .card-footer .meta {
            display: flex;
            gap: 16px;
        }
        .guide-card .card-footer .meta i {
            margin-right: 4px;
        }
        .guide-card .card-footer .meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        @media (max-width: 992px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 576px) {
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .guide-card .card-image {
                height: 180px;
            }
            .guide-card .card-body {
                padding: 18px;
            }
            .guide-card .card-footer {
                padding: 14px 18px 18px;
                flex-wrap: wrap;
                gap: 8px;
            }
        }

        /* ===== 分类Tabs ===== */
        .category-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 40px;
        }
        .category-tabs .tab-btn {
            padding: 10px 24px;
            border-radius: 50px;
            border: 1px solid var(--border-light);
            background: transparent;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }
        .category-tabs .tab-btn:hover {
            border-color: var(--primary);
            color: var(--text-primary);
            background: rgba(108, 63, 240, 0.08);
        }
        .category-tabs .tab-btn.active {
            background: var(--primary-gradient);
            border-color: transparent;
            color: #fff;
            box-shadow: 0 4px 20px rgba(108, 63, 240, 0.3);
        }

        /* ===== 精选攻略 ===== */
        .featured-guide {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin-bottom: 60px;
        }
        .featured-guide .featured-main {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
        }
        .featured-guide .featured-main:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(108, 63, 240, 0.3);
        }
        .featured-guide .featured-main .featured-image {
            height: 320px;
            position: relative;
            overflow: hidden;
        }
        .featured-guide .featured-main .featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .featured-guide .featured-main:hover .featured-image img {
            transform: scale(1.05);
        }
        .featured-guide .featured-main .featured-image .overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 60px 28px 28px;
            background: linear-gradient(transparent, rgba(15, 15, 26, 0.95));
        }
        .featured-guide .featured-main .featured-image .overlay .badge-lg {
            display: inline-block;
            background: var(--primary-gradient);
            color: #fff;
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .featured-guide .featured-main .featured-image .overlay h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
        }
        .featured-guide .featured-main .featured-image .overlay h3 a {
            color: #fff;
        }
        .featured-guide .featured-main .featured-image .overlay h3 a:hover {
            color: var(--secondary-light);
        }
        .featured-guide .featured-main .featured-image .overlay .meta-light {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            margin-top: 8px;
            display: flex;
            gap: 20px;
        }
        .featured-guide .featured-side {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .featured-guide .featured-side .side-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 16px;
            flex: 1;
        }
        .featured-guide .featured-side .side-item:hover {
            border-color: rgba(108, 63, 240, 0.3);
            transform: translateX(4px);
            background: var(--bg-card-hover);
        }
        .featured-guide .featured-side .side-item .rank {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--primary);
            opacity: 0.4;
            min-width: 40px;
            text-align: center;
        }
        .featured-guide .featured-side .side-item .rank.gold {
            color: var(--secondary);
            opacity: 1;
        }
        .featured-guide .featured-side .side-item .rank.silver {
            color: #a8b5d0;
            opacity: 0.8;
        }
        .featured-guide .featured-side .side-item .rank.bronze {
            color: #cd7f32;
            opacity: 0.8;
        }
        .featured-guide .featured-side .side-item .item-content {
            flex: 1;
        }
        .featured-guide .featured-side .side-item .item-content h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .featured-guide .featured-side .side-item .item-content h4 a {
            color: inherit;
        }
        .featured-guide .featured-side .side-item .item-content h4 a:hover {
            color: var(--primary-light);
        }
        .featured-guide .featured-side .side-item .item-content .meta-sm {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
        }
        .featured-guide .featured-side .side-item .item-thumb {
            width: 80px;
            height: 60px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }
        .featured-guide .featured-side .side-item .item-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        @media (max-width: 992px) {
            .featured-guide {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .featured-guide .featured-main .featured-image {
                height: 260px;
            }
            .featured-guide .featured-main .featured-image .overlay h3 {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 576px) {
            .featured-guide .featured-main .featured-image {
                height: 200px;
            }
            .featured-guide .featured-main .featured-image .overlay {
                padding: 40px 18px 18px;
            }
            .featured-guide .featured-main .featured-image .overlay h3 {
                font-size: 1rem;
            }
            .featured-guide .featured-side .side-item {
                padding: 14px 16px;
                flex-wrap: wrap;
            }
            .featured-guide .featured-side .side-item .rank {
                font-size: 1.4rem;
                min-width: 30px;
            }
            .featured-guide .featured-side .side-item .item-thumb {
                width: 64px;
                height: 48px;
            }
        }

        /* ===== 攻略技巧列表 ===== */
        .tips-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .tips-list .tip-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .tips-list .tip-item:hover {
            border-color: rgba(108, 63, 240, 0.25);
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
        }
        .tips-list .tip-item .tip-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(108, 63, 240, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary-light);
            flex-shrink: 0;
        }
        .tips-list .tip-item .tip-content h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .tips-list .tip-item .tip-content p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 768px) {
            .tips-list {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .tips-list .tip-item {
                padding: 18px 20px;
            }
        }

        /* ===== 攻略作者 ===== */
        .author-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .author-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 20px 24px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .author-card:hover {
            transform: translateY(-4px);
            border-color: rgba(108, 63, 240, 0.25);
            box-shadow: var(--shadow-sm);
        }
        .author-card .avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 12px;
            border: 3px solid var(--primary);
            padding: 2px;
        }
        .author-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .author-card .role {
            font-size: 0.8rem;
            color: var(--primary-light);
            margin-bottom: 8px;
        }
        .author-card .count {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .author-card .count span {
            color: var(--secondary);
            font-weight: 700;
        }

        @media (max-width: 992px) {
            .author-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 576px) {
            .author-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .author-card {
                padding: 24px 16px 20px;
            }
            .author-card .avatar {
                width: 56px;
                height: 56px;
            }
        }

        /* ===== FAQ ===== */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(108, 63, 240, 0.2);
        }
        .faq-item .faq-question {
            padding: 20px 28px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 1rem;
            transition: var(--transition);
            user-select: none;
            gap: 16px;
        }
        .faq-item .faq-question:hover {
            color: var(--primary-light);
        }
        .faq-item .faq-question .faq-icon {
            font-size: 1.2rem;
            color: var(--primary-light);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 28px;
            color: var(--text-secondary);
            font-size: 0.93rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 28px 24px;
        }

        @media (max-width: 576px) {
            .faq-item .faq-question {
                padding: 16px 18px;
                font-size: 0.93rem;
            }
            .faq-item .faq-answer {
                padding: 0 18px;
                font-size: 0.88rem;
            }
            .faq-item.active .faq-answer {
                padding: 0 18px 18px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(108, 63, 240, 0.08) 0%, rgba(168, 85, 247, 0.05) 100%),
                url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(108, 63, 240, 0.12), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
        }
        .cta-section p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 2;
        }
        .cta-section .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }
        .cta-section .btn-primary-lg {
            padding: 14px 40px;
            border-radius: 50px;
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 6px 24px rgba(108, 63, 240, 0.35);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-section .btn-primary-lg:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 40px rgba(108, 63, 240, 0.45);
        }
        .cta-section .btn-outline-lg {
            padding: 14px 40px;
            border-radius: 50px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1.05rem;
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-section .btn-outline-lg:hover {
            border-color: var(--primary);
            background: rgba(108, 63, 240, 0.08);
            color: var(--primary-light);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-section .btn-primary-lg,
            .cta-section .btn-outline-lg {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
        }

        /* ===== 分页 ===== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 48px;
            flex-wrap: wrap;
        }
        .pagination-wrap .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            color: var(--text-secondary);
            font-weight: 500;
            transition: var(--transition);
            text-decoration: none;
            font-size: 0.9rem;
        }
        .pagination-wrap .page-link:hover {
            border-color: var(--primary);
            color: var(--text-primary);
            background: rgba(108, 63, 240, 0.08);
        }
        .pagination-wrap .page-link.active {
            background: var(--primary-gradient);
            border-color: transparent;
            color: #fff;
            box-shadow: 0 4px 16px rgba(108, 63, 240, 0.3);
        }
        .pagination-wrap .page-link.disabled {
            opacity: 0.3;
            pointer-events: none;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: rgba(10, 10, 18, 0.95);
            border-top: 1px solid var(--border-light);
            padding: 60px 0 0;
            margin-top: 80px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-light);
        }
        .footer-brand .site-logo {
            font-size: 1.5rem;
            margin-bottom: 16px;
            display: inline-flex;
        }
        .footer-brand .site-logo .logo-icon {
            width: 36px;
            height: 36px;
            font-size: 1.2rem;
        }
        .footer-brand p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-top: 12px;
            max-width: 360px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(108, 63, 240, 0.1);
            color: var(--text-secondary);
            font-size: 1.1rem;
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }
        .footer-social a:hover {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(108, 63, 240, 0.3);
        }
        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            color: var(--text-secondary);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .footer-bottom .footer-links a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-bottom .footer-links a:hover {
            color: var(--primary-light);
        }

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: span 2;
            }
        }
        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: span 1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer {
                padding: 40px 0 0;
                margin-top: 60px;
            }
        }

        /* ===== 辅助类 ===== */
        .text-gradient {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .bg-glass {
            background: rgba(26, 26, 46, 0.8);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .gap-2 {
            gap: 8px;
        }
        .gap-3 {
            gap: 16px;
        }
        .gap-4 {
            gap: 24px;
        }
        .mt-3 {
            margin-top: 16px;
        }
        .mt-4 {
            margin-top: 24px;
        }
        .mb-3 {
            margin-bottom: 16px;
        }
        .mb-4 {
            margin-bottom: 24px;
        }
        .me-2 {
            margin-right: 8px;
        }
        .text-center {
            text-align: center;
        }
        .d-flex {
            display: flex;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .align-items-center {
            align-items: center;
        }
        .justify-content-center {
            justify-content: center;
        }

        /* ===== 主体偏移 ===== */
        main {
            padding-top: 72px;
        }

        /* ===== Bootstrap 覆盖 ===== */
        .breadcrumb {
            background: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb-item+.breadcrumb-item::before {
            color: var(--text-muted);
        }
        .breadcrumb-item a {
            color: var(--primary-light);
        }
        .breadcrumb-item.active {
            color: var(--secondary);
        }