/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f0f1a;
            --primary-light: #1a1a2e;
            --primary-mid: #252540;
            --secondary: #d4a853;
            --secondary-light: #e8c06a;
            --accent: #c0392b;
            --accent-light: #e74c3c;
            --bg-light: #f5f5f0;
            --bg-card: #ffffff;
            --bg-dark-alt: #0a0a12;
            --text-dark: #1a1a1a;
            --text-body: #2d2d2d;
            --text-muted: #7a7a7a;
            --text-light: #b0b0b0;
            --text-white: #fafafa;
            --border-color: #eaeaea;
            --border-light: rgba(212, 168, 83, 0.25);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.07);
            --shadow-lg: 0 20px 50px rgba(0,0,0,0.10);
            --shadow-glow: 0 0 30px rgba(212, 168, 83, 0.15);
            --transition: all 0.35s cubic-bezier(0.25,0.46,0.45,0.94);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        }

        /* ===== 基础重置 ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            color: var(--text-body);
            background: var(--bg-light);
            line-height: 1.7;
            font-size: 1rem;
        }
        a { color: var(--secondary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--secondary-light); text-decoration: none; }
        a:focus-visible { outline: 2px solid var(--secondary); outline-offset: 2px; border-radius: 2px; }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; }
        .container { max-width: 1200px; padding: 0 24px; }
        @media (max-width: 576px) { .container { padding: 0 16px; } }

        /* ===== 顶部信息条 ===== */
        .top-bar {
            background: var(--primary);
            color: var(--text-light);
            font-size: 0.82rem;
            padding: 6px 0;
            border-bottom: 1px solid rgba(255,255,255,0.04);
        }
        .top-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 6px 16px; }
        .top-bar a { color: var(--text-light); }
        .top-bar a:hover { color: var(--secondary); }
        .top-bar .top-left span { margin-right: 20px; }
        .top-bar .top-left i { margin-right: 6px; color: var(--secondary); }
        .top-bar .top-right a { margin-left: 18px; }
        .top-bar .top-right i { margin-right: 4px; }

        /* ===== 导航 ===== */
        .navbar-main {
            background: var(--primary-light);
            padding: 0;
            box-shadow: 0 2px 20px rgba(0,0,0,0.3);
            position: sticky;
            top: 0;
            z-index: 1050;
            border-bottom: 1px solid rgba(212,168,83,0.08);
        }
        .navbar-main .navbar-brand {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.5px;
            padding: 14px 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-main .navbar-brand i { color: var(--secondary); font-size: 1.6rem; }
        .navbar-main .navbar-brand:hover { color: var(--secondary); }
        .navbar-main .navbar-nav { gap: 4px; }
        .navbar-main .nav-link {
            color: rgba(255,255,255,0.7);
            font-weight: 500;
            padding: 18px 18px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            font-size: 0.95rem;
            position: relative;
        }
        .navbar-main .nav-link:hover,
        .navbar-main .nav-link:focus { color: var(--text-white); background: rgba(212,168,83,0.10); }
        .navbar-main .nav-link.active {
            color: var(--text-white);
            background: rgba(212,168,83,0.18);
        }
        .navbar-main .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            background: var(--secondary);
            border-radius: 3px 3px 0 0;
        }
        .navbar-main .nav-cta {
            background: var(--secondary);
            color: var(--primary) !important;
            border-radius: 50px;
            padding: 10px 24px !important;
            margin: 10px 0 10px 16px;
            font-weight: 600;
            transition: var(--transition);
        }
        .navbar-main .nav-cta:hover { background: var(--secondary-light); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(212,168,83,0.3); }
        .navbar-toggler { border: none; color: var(--text-white); padding: 8px; }
        .navbar-toggler:focus { box-shadow: 0 0 0 2px var(--secondary); }
        .navbar-toggler .navbar-toggler-icon { filter: brightness(0) invert(1); }
        @media (max-width: 991.98px) {
            .navbar-main .navbar-nav { padding: 12px 0; }
            .navbar-main .nav-link { padding: 12px 16px; border-radius: var(--radius-sm); }
            .navbar-main .nav-link.active::after { display: none; }
            .navbar-main .nav-cta { margin: 8px 16px; text-align: center; }
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            min-height: 88vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,15,26,0.88) 0%, rgba(26,26,46,0.72) 60%, rgba(15,15,26,0.60) 100%);
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0; left: 0; right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-light) 0%, transparent 100%);
            z-index: 2;
        }
        .hero .container { position: relative; z-index: 3; padding-top: 40px; padding-bottom: 60px; }
        .hero-content { max-width: 720px; }
        .hero-badge {
            display: inline-block;
            background: rgba(212,168,83,0.18);
            color: var(--secondary);
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.3px;
            border: 1px solid rgba(212,168,83,0.25);
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i { margin-right: 6px; }
        .hero h1 {
            font-size: 3.6rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.18;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero h1 span { color: var(--secondary); }
        .hero p {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.75);
            line-height: 1.7;
            margin-bottom: 36px;
            max-width: 600px;
        }
        .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
        .hero-actions .btn-hero-primary {
            background: var(--secondary);
            color: var(--primary);
            border: none;
            padding: 16px 38px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            box-shadow: 0 8px 30px rgba(212,168,83,0.25);
        }
        .hero-actions .btn-hero-primary:hover { background: var(--secondary-light); transform: translateY(-3px); box-shadow: 0 12px 40px rgba(212,168,83,0.35); }
        .hero-actions .btn-hero-secondary {
            background: transparent;
            color: var(--text-white);
            border: 2px solid rgba(255,255,255,0.25);
            padding: 14px 34px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 1.05rem;
            transition: var(--transition);
        }
        .hero-actions .btn-hero-secondary:hover { border-color: var(--secondary); color: var(--secondary); background: rgba(212,168,83,0.08); transform: translateY(-3px); }
        @media (max-width: 768px) {
            .hero { min-height: 70vh; background-attachment: scroll; }
            .hero h1 { font-size: 2.4rem; }
            .hero p { font-size: 1rem; }
            .hero-actions .btn-hero-primary,
            .hero-actions .btn-hero-secondary { padding: 14px 28px; font-size: 0.95rem; }
        }
        @media (max-width: 520px) {
            .hero h1 { font-size: 1.9rem; }
            .hero-actions { flex-direction: column; }
            .hero-actions a { text-align: center; }
        }

        /* ===== 通用板块标题 ===== */
        .section-title { margin-bottom: 48px; }
        .section-title h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }
        .section-title h2 i { color: var(--secondary); margin-right: 10px; }
        .section-title p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 560px;
        }
        .section-title.text-center p { margin-left: auto; margin-right: auto; }
        .section-divider {
            width: 60px;
            height: 4px;
            background: var(--secondary);
            border-radius: 4px;
            margin-top: 8px;
        }
        .section-title.text-center .section-divider { margin-left: auto; margin-right: auto; }

        /* ===== 平台介绍 ===== */
        .section-intro {
            padding: 100px 0;
            background: var(--bg-card);
        }
        .intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
        .intro-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
        .intro-image img { width: 100%; height: 100%; object-fit: cover; min-height: 360px; transition: var(--transition); }
        .intro-image:hover img { transform: scale(1.03); }
        .intro-text h3 { font-size: 1.8rem; font-weight: 700; color: var(--text-dark); margin-bottom: 20px; }
        .intro-text p { color: var(--text-body); margin-bottom: 16px; font-size: 1rem; line-height: 1.8; }
        .intro-text .intro-stats { display: flex; gap: 40px; margin-top: 28px; flex-wrap: wrap; }
        .intro-text .intro-stats .stat-item { text-align: center; }
        .intro-text .intro-stats .stat-number { font-size: 2.2rem; font-weight: 800; color: var(--secondary); line-height: 1.2; }
        .intro-text .intro-stats .stat-label { font-size: 0.85rem; color: var(--text-muted); }
        @media (max-width: 991.98px) {
            .intro-grid { grid-template-columns: 1fr; gap: 40px; }
            .intro-image img { min-height: 260px; }
            .section-intro { padding: 60px 0; }
        }
        @media (max-width: 520px) {
            .intro-text .intro-stats { gap: 24px; }
            .intro-text .intro-stats .stat-number { font-size: 1.8rem; }
        }

        /* ===== 分类入口 ===== */
        .section-categories {
            padding: 100px 0;
            background: var(--bg-light);
        }
        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            border: 1px solid var(--border-color);
        }
        .category-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--secondary); }
        .category-card .card-img { height: 220px; overflow: hidden; }
        .category-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
        .category-card:hover .card-img img { transform: scale(1.06); }
        .category-card .card-body { padding: 28px 24px 32px; }
        .category-card .card-body h3 { font-size: 1.3rem; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; }
        .category-card .card-body h3 i { color: var(--secondary); margin-right: 8px; font-size: 1.1rem; }
        .category-card .card-body p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 18px; line-height: 1.7; }
        .category-card .card-body .btn-outline-category {
            border: 2px solid var(--secondary);
            color: var(--secondary);
            background: transparent;
            border-radius: 50px;
            padding: 8px 24px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .category-card .card-body .btn-outline-category:hover { background: var(--secondary); color: var(--primary); }
        @media (max-width: 768px) {
            .section-categories { padding: 60px 0; }
            .category-card .card-img { height: 180px; }
        }

        /* ===== 特色服务 ===== */
        .section-features {
            padding: 100px 0;
            background: var(--primary-light);
            color: var(--text-white);
        }
        .section-features .section-title h2 { color: var(--text-white); }
        .section-features .section-title p { color: rgba(255,255,255,0.6); }
        .section-features .section-divider { background: var(--secondary); }
        .feature-card {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.06);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            text-align: center;
            transition: var(--transition);
            height: 100%;
            backdrop-filter: blur(4px);
        }
        .feature-card:hover { background: rgba(255,255,255,0.08); border-color: rgba(212,168,83,0.2); transform: translateY(-6px); box-shadow: var(--shadow-glow); }
        .feature-card .feature-icon {
            width: 70px; height: 70px;
            background: rgba(212,168,83,0.12);
            border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.8rem;
            color: var(--secondary);
            transition: var(--transition);
        }
        .feature-card:hover .feature-icon { background: rgba(212,168,83,0.22); transform: scale(1.05); }
        .feature-card h4 { font-size: 1.15rem; font-weight: 600; margin-bottom: 10px; color: var(--text-white); }
        .feature-card p { color: rgba(255,255,255,0.55); font-size: 0.92rem; line-height: 1.7; margin-bottom: 0; }
        @media (max-width: 768px) {
            .section-features { padding: 60px 0; }
        }

        /* ===== CMS 最新资讯 ===== */
        .section-latest {
            padding: 100px 0;
            background: var(--bg-card);
        }
        .post-card {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            border: 1px solid var(--border-color);
        }
        .post-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--secondary); }
        .post-card .post-img { height: 200px; overflow: hidden; }
        .post-card .post-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
        .post-card:hover .post-img img { transform: scale(1.05); }
        .post-card .post-body { padding: 22px 20px 26px; }
        .post-card .post-body .post-meta { display: flex; align-items: center; gap: 16px; font-size: 0.82rem; color: var(--text-muted); margin-bottom: 10px; flex-wrap: wrap; }
        .post-card .post-body .post-meta .badge-cat { background: rgba(212,168,83,0.15); color: var(--secondary); padding: 3px 14px; border-radius: 50px; font-weight: 500; font-size: 0.75rem; }
        .post-card .post-body .post-meta time { color: var(--text-light); }
        .post-card .post-body h3 { font-size: 1.1rem; font-weight: 600; color: var(--text-dark); margin-bottom: 8px; line-height: 1.4; }
        .post-card .post-body h3 a { color: var(--text-dark); }
        .post-card .post-body h3 a:hover { color: var(--secondary); }
        .post-card .post-body p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; margin-bottom: 0; }
        .post-empty { text-align: center; padding: 48px 20px; color: var(--text-muted); background: var(--bg-light); border-radius: var(--radius-md); border: 1px dashed var(--border-color); }
        .post-empty i { font-size: 2.4rem; color: var(--text-light); margin-bottom: 12px; display: block; }
        @media (max-width: 768px) {
            .section-latest { padding: 60px 0; }
            .post-card .post-img { height: 170px; }
        }

        /* ===== 数据统计 ===== */
        .section-stats {
            padding: 80px 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            background-attachment: fixed;
            position: relative;
        }
        .section-stats::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,15,26,0.92) 0%, rgba(26,26,46,0.85) 100%);
        }
        .section-stats .container { position: relative; z-index: 1; }
        .stat-box { text-align: center; padding: 28px 16px; }
        .stat-box .stat-icon { font-size: 2.2rem; color: var(--secondary); margin-bottom: 12px; }
        .stat-box .stat-number { font-size: 2.8rem; font-weight: 800; color: var(--text-white); line-height: 1.2; }
        .stat-box .stat-label { font-size: 0.95rem; color: rgba(255,255,255,0.6); margin-top: 4px; }
        @media (max-width: 768px) {
            .section-stats { padding: 50px 0; background-attachment: scroll; }
            .stat-box .stat-number { font-size: 2.2rem; }
        }

        /* ===== FAQ ===== */
        .section-faq {
            padding: 100px 0;
            background: var(--bg-light);
        }
        .faq-accordion .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-accordion .accordion-item:hover { border-color: var(--secondary); box-shadow: var(--shadow-sm); }
        .faq-accordion .accordion-button {
            font-weight: 600;
            color: var(--text-dark);
            background: var(--bg-card);
            padding: 20px 24px;
            font-size: 1.02rem;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
        }
        .faq-accordion .accordion-button:not(.collapsed) { background: var(--bg-card); color: var(--secondary); box-shadow: none; }
        .faq-accordion .accordion-button::after { background-size: 1.2rem; transition: var(--transition); }
        .faq-accordion .accordion-button:focus { box-shadow: 0 0 0 2px rgba(212,168,83,0.2); }
        .faq-accordion .accordion-body { padding: 0 24px 24px; color: var(--text-body); line-height: 1.8; }
        @media (max-width: 768px) {
            .section-faq { padding: 60px 0; }
        }

        /* ===== CTA ===== */
        .section-cta {
            padding: 90px 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            background-attachment: fixed;
            position: relative;
        }
        .section-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,15,26,0.88) 0%, rgba(26,26,46,0.78) 100%);
        }
        .section-cta .container { position: relative; z-index: 1; text-align: center; }
        .section-cta h2 { font-size: 2.4rem; font-weight: 700; color: var(--text-white); margin-bottom: 16px; }
        .section-cta p { color: rgba(255,255,255,0.65); font-size: 1.1rem; max-width: 600px; margin: 0 auto 32px; }
        .section-cta .btn-cta {
            background: var(--secondary);
            color: var(--primary);
            border: none;
            padding: 16px 44px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            box-shadow: 0 8px 30px rgba(212,168,83,0.25);
            display: inline-block;
        }
        .section-cta .btn-cta:hover { background: var(--secondary-light); transform: translateY(-3px); box-shadow: 0 12px 40px rgba(212,168,83,0.35); }
        .section-cta .btn-cta i { margin-right: 8px; }
        @media (max-width: 768px) {
            .section-cta { padding: 60px 0; background-attachment: scroll; }
            .section-cta h2 { font-size: 1.8rem; }
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--primary);
            color: rgba(255,255,255,0.6);
            padding: 60px 0 0;
            border-top: 1px solid rgba(212,168,83,0.08);
        }
        .footer h5 {
            color: var(--text-white);
            font-weight: 600;
            font-size: 1.05rem;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .footer h5 i { color: var(--secondary); margin-right: 8px; }
        .footer a { color: rgba(255,255,255,0.5); }
        .footer a:hover { color: var(--secondary); }
        .footer .footer-links { list-style: none; padding: 0; margin: 0; }
        .footer .footer-links li { margin-bottom: 10px; }
        .footer .footer-links li a { font-size: 0.92rem; display: inline-flex; align-items: center; gap: 6px; }
        .footer .footer-links li a i { font-size: 0.7rem; color: var(--secondary); }
        .footer .footer-brand { font-size: 1.4rem; font-weight: 700; color: var(--text-white); margin-bottom: 12px; display: block; }
        .footer .footer-brand i { color: var(--secondary); margin-right: 8px; }
        .footer .footer-desc { color: rgba(255,255,255,0.45); font-size: 0.92rem; line-height: 1.8; margin-bottom: 20px; max-width: 300px; }
        .footer .footer-social { display: flex; gap: 14px; }
        .footer .footer-social a {
            width: 40px; height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.05);
            display: flex; align-items: center; justify-content: center;
            color: rgba(255,255,255,0.5);
            font-size: 1.1rem;
            transition: var(--transition);
            border: 1px solid rgba(255,255,255,0.06);
        }
        .footer .footer-social a:hover { background: var(--secondary); color: var(--primary); border-color: var(--secondary); transform: translateY(-3px); }
        .footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.05);
            padding: 20px 0;
            margin-top: 40px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.35);
        }
        .footer .footer-bottom a { color: rgba(255,255,255,0.35); }
        .footer .footer-bottom a:hover { color: var(--secondary); }
        @media (max-width: 768px) {
            .footer { padding: 40px 0 0; }
            .footer .footer-brand { font-size: 1.2rem; }
        }

        /* ===== 辅助 ===== */
        .bg-soft-secondary { background: rgba(212,168,83,0.06); }
        .text-secondary { color: var(--secondary) !important; }
        .btn-see-all {
            border: 2px solid var(--secondary);
            color: var(--secondary);
            background: transparent;
            border-radius: 50px;
            padding: 10px 30px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-see-all:hover { background: var(--secondary); color: var(--primary); }

        /* ===== 响应式微调 ===== */
        @media (max-width: 576px) {
            .section-title h2 { font-size: 1.7rem; }
            .hero h1 { font-size: 1.7rem; }
            .top-bar .top-left span { display: block; margin-bottom: 2px; }
            .top-bar .top-right a { margin-left: 12px; font-size: 0.78rem; }
        }
        @media (min-width: 1400px) {
            .container { max-width: 1260px; }
        }

/* roulang page: article */
:root {
            --primary: #e50914;
            --primary-dark: #b20710;
            --primary-light: #ff3b4a;
            --secondary: #1a1a2e;
            --accent: #f5c518;
            --bg-dark: #0f0f1a;
            --bg-card: #1a1a2e;
            --bg-card-hover: #222240;
            --bg-section: #141420;
            --text-light: #f0f0f0;
            --text-muted: #aaaac0;
            --text-dim: #6c6c8a;
            --border-color: #2a2a4a;
            --border-radius: 16px;
            --border-radius-sm: 10px;
            --shadow-sm: 0 4px 20px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 40px rgba(0,0,0,0.4);
            --shadow-lg: 0 16px 60px rgba(0,0,0,0.5);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

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

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

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

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

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

        /* ===== Navigation ===== */
        .navbar-main {
            background: rgba(15,15,26,0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(42,42,74,0.5);
            padding: 12px 0;
            transition: var(--transition);
        }
        .navbar-main .navbar-brand {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-main .navbar-brand i {
            color: var(--primary);
            font-size: 1.8rem;
        }
        .navbar-main .navbar-brand:hover {
            color: var(--primary-light);
        }
        .navbar-main .nav-link {
            color: var(--text-muted);
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: 50px;
            transition: var(--transition);
            font-size: 0.95rem;
        }
        .navbar-main .nav-link i {
            font-size: 0.85rem;
        }
        .navbar-main .nav-link:hover,
        .navbar-main .nav-link.active {
            color: var(--text-light);
            background: rgba(229,9,20,0.15);
        }
        .navbar-main .nav-link.active {
            color: var(--primary-light);
            font-weight: 600;
        }
        .navbar-main .nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 8px 24px !important;
            border-radius: 50px;
            font-weight: 600;
        }
        .navbar-main .nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(229,9,20,0.35);
        }
        .navbar-toggler {
            border: 1px solid rgba(255,255,255,0.15);
            padding: 8px 12px;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 60px 0 40px;
            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;
            border-bottom: 1px solid var(--border-color);
        }
        .article-hero .article-badge {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(229,9,20,0.2);
            color: var(--primary-light);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            border: 1px solid rgba(229,9,20,0.3);
        }
        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            color: var(--text-light);
        }
        .article-hero .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .article-hero .article-meta i {
            color: var(--primary-light);
            margin-right: 6px;
        }
        .article-hero .article-meta span {
            display: flex;
            align-items: center;
        }

        /* ===== Article Content ===== */
        .article-section {
            padding: 50px 0 70px;
        }
        .article-body {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 40px 45px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .article-body h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 32px 0 16px;
            color: var(--text-light);
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 10px;
        }
        .article-body h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 28px 0 12px;
            color: var(--text-light);
        }
        .article-body h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 24px 0 10px;
            color: var(--primary-light);
        }
        .article-body p {
            margin-bottom: 18px;
            color: #d0d0e0;
            font-size: 1.05rem;
            line-height: 1.8;
        }
        .article-body ul,
        .article-body ol {
            margin: 16px 0 20px 24px;
            color: #d0d0e0;
        }
        .article-body li {
            margin-bottom: 8px;
            line-height: 1.7;
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 24px 0;
            background: rgba(229,9,20,0.06);
            border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
            color: #c0c0d8;
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--border-radius-sm);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
        }
        .article-body .article-tags .tag {
            padding: 6px 16px;
            background: rgba(255,255,255,0.05);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .article-body .article-tags .tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .article-sidebar .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            padding: 28px;
            margin-bottom: 28px;
            box-shadow: var(--shadow-sm);
        }
        .article-sidebar .sidebar-card h5 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .article-sidebar .sidebar-card h5 i {
            color: var(--primary);
        }
        .article-sidebar .sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .article-sidebar .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(42,42,74,0.5);
        }
        .article-sidebar .sidebar-list li:last-child {
            border-bottom: none;
        }
        .article-sidebar .sidebar-list a {
            color: var(--text-muted);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .article-sidebar .sidebar-list a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .article-sidebar .sidebar-list a i {
            color: var(--primary-light);
            font-size: 0.75rem;
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
        }
        .not-found-box i {
            font-size: 4rem;
            color: var(--text-dim);
            margin-bottom: 24px;
        }
        .not-found-box h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-muted);
            font-size: 1.1rem;
            margin-bottom: 28px;
        }
        .not-found-box .btn-back {
            display: inline-block;
            padding: 12px 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-box .btn-back:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(229,9,20,0.35);
            color: #fff;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(135deg, rgba(229,9,20,0.12) 0%, rgba(26,26,46,0.95) 100%), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-cta {
            display: inline-block;
            padding: 14px 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            transition: var(--transition);
            border: none;
        }
        .cta-section .btn-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(229,9,20,0.4);
            color: #fff;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer .footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer .footer-brand i {
            color: var(--primary);
        }
        .footer .footer-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 360px;
        }
        .footer .footer-social {
            display: flex;
            gap: 14px;
        }
        .footer .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: rgba(255,255,255,0.05);
            border: 1px solid var(--border-color);
            border-radius: 50%;
            color: var(--text-muted);
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .footer .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-3px);
        }
        .footer h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer h5 i {
            color: var(--primary);
        }
        .footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer .footer-links li {
            margin-bottom: 10px;
        }
        .footer .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .footer .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer .footer-links a i {
            font-size: 0.65rem;
            color: var(--text-dim);
        }
        .footer .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            margin-top: 36px;
            text-align: center;
            color: var(--text-dim);
            font-size: 0.85rem;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-hero h1 { font-size: 2.2rem; }
            .article-body { padding: 32px 30px; }
        }
        @media (max-width: 768px) {
            .navbar-main .navbar-brand { font-size: 1.3rem; }
            .navbar-main .navbar-brand i { font-size: 1.4rem; }
            .navbar-main .nav-link { padding: 10px 16px !important; }
            .article-hero { padding: 40px 0 30px; }
            .article-hero h1 { font-size: 1.7rem; }
            .article-hero .article-meta { gap: 12px; font-size: 0.85rem; }
            .article-body { padding: 24px 20px; }
            .article-body h2 { font-size: 1.4rem; }
            .article-body h3 { font-size: 1.2rem; }
            .article-body p { font-size: 0.98rem; }
            .cta-section h2 { font-size: 1.6rem; }
            .footer .footer-brand { font-size: 1.3rem; }
        }
        @media (max-width: 520px) {
            .navbar-main .navbar-brand { font-size: 1.1rem; gap: 6px; }
            .navbar-main .navbar-brand i { font-size: 1.2rem; }
            .article-hero h1 { font-size: 1.4rem; }
            .article-body { padding: 18px 14px; }
            .article-body h2 { font-size: 1.2rem; }
            .article-body p { font-size: 0.92rem; }
            .cta-section h2 { font-size: 1.3rem; }
            .cta-section .btn-cta { padding: 12px 28px; font-size: 1rem; }
            .footer { padding: 40px 0 20px; }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #a29bfe;
            --secondary: #fd79a8;
            --accent: #fdcb6e;
            --bg-dark: #0f0e17;
            --bg-card: #1a1932;
            --bg-section: #12102a;
            --bg-footer: #0a0918;
            --text-main: #eae8f0;
            --text-light: #b8b5d0;
            --text-muted: #7a78a0;
            --border-color: #2d2b55;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-main);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
            margin-top: 0;
        }
        p {
            margin-top: 0;
            color: var(--text-light);
        }
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 导航 ===== */
        .navbar-main {
            background: rgba(15, 14, 23, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            padding: 0;
            min-height: var(--nav-height);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }
        .navbar-main .navbar-brand {
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.5px;
            padding: 10px 0;
        }
        .navbar-main .navbar-brand i {
            color: var(--primary-light);
            font-size: 1.6rem;
        }
        .navbar-main .navbar-brand:hover {
            color: var(--primary-light);
        }
        .navbar-main .nav-link {
            color: var(--text-light);
            font-weight: 500;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            font-size: 0.95rem;
            position: relative;
        }
        .navbar-main .nav-link i {
            margin-right: 6px;
            font-size: 0.85rem;
            opacity: 0.7;
        }
        .navbar-main .nav-link:hover,
        .navbar-main .nav-link:focus {
            color: #fff;
            background: rgba(108, 92, 231, 0.15);
        }
        .navbar-main .nav-link.active {
            color: #fff;
            background: rgba(108, 92, 231, 0.25);
        }
        .navbar-main .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary-light);
            border-radius: 4px;
        }
        .navbar-main .nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff !important;
            border-radius: 50px;
            padding: 8px 24px !important;
            font-weight: 600;
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
        }
        .navbar-main .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(108, 92, 231, 0.5);
            background: linear-gradient(135deg, var(--primary-dark), var(--secondary));
        }
        .navbar-toggler {
            border: 1px solid var(--border-color);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            background: transparent;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23b8b5d0' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
        }

        /* ===== 页面横幅 ===== */
        .page-banner {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, #0f0e17 0%, #1a1932 50%, #0f0e17 100%);
            position: relative;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center/cover no-repeat;
            opacity: 0.15;
            filter: blur(4px);
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(108, 92, 231, 0.15) 0%, transparent 70%);
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff 40%, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-banner p {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 640px;
            margin-bottom: 0;
        }
        .page-banner .breadcrumb-custom {
            display: flex;
            gap: 8px;
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .page-banner .breadcrumb-custom li+li::before {
            content: '/';
            margin: 0 8px;
            color: var(--text-muted);
        }
        .page-banner .breadcrumb-custom a {
            color: var(--text-light);
        }
        .page-banner .breadcrumb-custom a:hover {
            color: var(--primary-light);
        }
        .page-banner .breadcrumb-custom .current {
            color: var(--primary-light);
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-title h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .section-title p {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-title .title-tag {
            display: inline-block;
            background: rgba(108, 92, 231, 0.2);
            color: var(--primary-light);
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        /* ===== 卡片通用 ===== */
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .card-custom:hover {
            transform: translateY(-6px);
            border-color: rgba(108, 92, 231, 0.3);
            box-shadow: var(--shadow-md);
        }
        .card-custom .card-body {
            padding: 24px;
        }
        .card-custom .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: rgba(108, 92, 231, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary-light);
            margin-bottom: 16px;
        }
        .card-custom .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }
        .card-custom .card-text {
            font-size: 0.92rem;
            color: var(--text-light);
            margin-bottom: 0;
        }
        .card-custom .card-img-top {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }
        .card-custom .card-tag {
            display: inline-block;
            background: rgba(253, 121, 168, 0.2);
            color: var(--secondary);
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        /* ===== 步骤流程 ===== */
        .step-item {
            display: flex;
            gap: 20px;
            padding: 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 20px;
            transition: var(--transition);
        }
        .step-item:hover {
            border-color: rgba(108, 92, 231, 0.3);
            box-shadow: var(--shadow-sm);
        }
        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
        }
        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: #fff;
        }
        .step-content p {
            font-size: 0.92rem;
            color: var(--text-light);
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 12px;
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: rgba(108, 92, 231, 0.3);
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            color: #fff;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .faq-question i {
            color: var(--primary-light);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            margin-top: 14px;
            color: var(--text-light);
            font-size: 0.95rem;
            display: none;
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #1a1932 0%, #0f0e17 100%);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            text-align: center;
            padding: 60px 0;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: var(--text-light);
            max-width: 540px;
            margin: 0 auto 30px;
            font-size: 1.05rem;
        }
        .btn-primary-custom {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border: none;
            color: #fff;
            padding: 14px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 6px 30px rgba(108, 92, 231, 0.3);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 40px rgba(108, 92, 231, 0.5);
            color: #fff;
            background: linear-gradient(135deg, var(--primary-dark), var(--secondary));
        }
        .btn-outline-custom {
            background: transparent;
            border: 2px solid var(--primary-light);
            color: var(--primary-light);
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-custom:hover {
            background: var(--primary-light);
            color: var(--bg-dark);
            transform: translateY(-2px);
        }

        /* ===== 标签 ===== */
        .tag-badge {
            display: inline-block;
            background: rgba(108, 92, 231, 0.15);
            color: var(--primary-light);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            margin: 0 4px 8px 0;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .tag-badge:hover {
            background: rgba(108, 92, 231, 0.25);
            border-color: rgba(108, 92, 231, 0.3);
        }

        /* ===== 统计数字 ===== */
        .stat-item {
            text-align: center;
            padding: 20px;
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-top: 6px;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-footer);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand i {
            color: var(--primary-light);
        }
        .footer-brand:hover {
            color: var(--primary-light);
        }
        .footer-desc {
            font-size: 0.92rem;
            color: var(--text-muted);
            max-width: 340px;
            margin-bottom: 20px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            font-size: 1.1rem;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .footer-social a:hover {
            background: rgba(108, 92, 231, 0.2);
            color: var(--primary-light);
            border-color: rgba(108, 92, 231, 0.3);
            transform: translateY(-3px);
        }
        .footer h5 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer h5 i {
            color: var(--primary-light);
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .footer-links a i {
            font-size: 0.7rem;
            opacity: 0.6;
        }
        .footer-links a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            margin-top: 40px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .navbar-main .navbar-collapse {
                background: rgba(15, 14, 23, 0.98);
                padding: 16px 20px;
                border-radius: var(--radius-md);
                border: 1px solid var(--border-color);
                margin-top: 8px;
            }
            .navbar-main .nav-link {
                padding: 10px 16px !important;
            }
            .navbar-main .nav-link.active::after {
                display: none;
            }
            .page-banner {
                padding: 120px 0 60px;
                min-height: 260px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .section-padding {
                padding: 60px 0;
            }
            .section-title h2 {
                font-size: 1.8rem;
            }
            .step-item {
                flex-direction: column;
                gap: 12px;
            }
        }
        @media (max-width: 767.98px) {
            :root {
                --nav-height: 64px;
            }
            .navbar-main .navbar-brand {
                font-size: 1.1rem;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner p {
                font-size: 0.95rem;
            }
            .section-padding {
                padding: 40px 0;
            }
            .section-title h2 {
                font-size: 1.5rem;
            }
            .section-title p {
                font-size: 0.92rem;
            }
            .card-custom .card-body {
                padding: 18px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .btn-primary-custom {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
            .footer {
                padding: 40px 0 20px;
            }
            .footer-brand {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 520px) {
            .page-banner {
                padding: 100px 0 40px;
                min-height: 200px;
            }
            .page-banner h1 {
                font-size: 1.4rem;
            }
            .section-title h2 {
                font-size: 1.3rem;
            }
            .card-custom .card-img-top {
                height: 160px;
            }
            .step-item {
                padding: 16px;
            }
            .step-number {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
            .faq-question {
                font-size: 0.95rem;
            }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #b71c1c;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --accent-light: #f8c291;
            --bg-dark: #0a0e17;
            --bg-darker: #060a12;
            --bg-card: #111827;
            --bg-card-hover: #1a2332;
            --bg-section: #0f1623;
            --bg-light: #f8f9fa;
            --text-white: #f1f3f5;
            --text-light: #c8cdd5;
            --text-muted: #8892a4;
            --text-body: #e0e4ea;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(255, 255, 255, 0.18);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);
            --shadow-hover: 0 16px 48px rgba(230, 57, 70, 0.25);
            --shadow-glow: 0 0 30px rgba(230, 57, 70, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1280px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-body);
            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(--primary);
            text-decoration: none;
        }

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

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

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 顶部信息条 ===== */
        .top-bar {
            background: var(--bg-darker);
            border-bottom: 1px solid var(--border-color);
            padding: 6px 0;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 6px 16px;
        }

        .top-bar .top-bar-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .top-bar .top-bar-left i {
            margin-right: 4px;
            color: var(--primary-light);
        }

        .top-bar .top-bar-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .top-bar .top-bar-right a {
            color: var(--text-muted);
            font-size: 0.85rem;
            transition: var(--transition);
        }

        .top-bar .top-bar-right a:hover {
            color: var(--primary-light);
        }

        .top-bar .domain-badge {
            background: rgba(230, 57, 70, 0.15);
            color: var(--primary-light);
            padding: 2px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.8rem;
            letter-spacing: 0.3px;
            border: 1px solid rgba(230, 57, 70, 0.2);
        }

        /* ===== 主导航 ===== */
        .navbar-main {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
            padding: 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .navbar-main .navbar-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: 0.5px;
            padding: 14px 0;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }

        .navbar-main .navbar-brand i {
            color: var(--primary);
            font-size: 1.8rem;
            filter: drop-shadow(0 0 8px rgba(230, 57, 70, 0.4));
        }

        .navbar-main .navbar-brand:hover {
            color: var(--primary-light);
            transform: scale(1.02);
        }

        .navbar-main .nav-link {
            color: var(--text-light);
            font-weight: 500;
            padding: 18px 16px !important;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
            border-bottom: 3px solid transparent;
            transition: var(--transition);
            position: relative;
        }

        .navbar-main .nav-link i {
            margin-right: 4px;
            font-size: 0.9rem;
        }

        .navbar-main .nav-link:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.04);
            border-bottom-color: var(--primary-light);
        }

        .navbar-main .nav-link.active {
            color: var(--text-white);
            border-bottom-color: var(--primary);
            background: rgba(230, 57, 70, 0.08);
        }

        .navbar-main .nav-link.active i {
            color: var(--primary-light);
        }

        .navbar-main .nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff !important;
            border-radius: var(--radius-sm);
            padding: 8px 20px !important;
            margin: 10px 0 10px 12px;
            border-bottom: none !important;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
            transition: var(--transition);
        }

        .navbar-main .nav-cta:hover {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.45);
            color: #fff !important;
        }

        .navbar-main .navbar-toggler {
            border: 1px solid var(--border-color);
            color: var(--text-light);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            background: transparent;
        }

        .navbar-main .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.25);
        }

        .navbar-main .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(241,243,245,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== 页面横幅 ===== */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 40%, rgba(230, 57, 70, 0.08) 100%);
            padding: 80px 0 70px;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.12;
            z-index: 0;
            filter: saturate(0.4) brightness(0.5);
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 80% 20%, rgba(230, 57, 70, 0.12), transparent 60%);
            z-index: 1;
            pointer-events: none;
        }

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

        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(230, 57, 70, 0.15);
            border: 1px solid rgba(230, 57, 70, 0.25);
            color: var(--primary-light);
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
        }

        .page-hero .hero-badge i {
            font-size: 0.8rem;
        }

        .page-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

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

        .page-hero p {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .page-hero .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 28px 40px;
            margin-top: 12px;
        }

        .page-hero .hero-stats .stat-item {
            display: flex;
            flex-direction: column;
        }

        .page-hero .hero-stats .stat-item .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
        }

        .page-hero .hero-stats .stat-item .stat-number i {
            color: var(--primary-light);
            font-size: 1.4rem;
            margin-right: 4px;
        }

        .page-hero .hero-stats .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 80px 0;
        }

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

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

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 40px;
            line-height: 1.7;
        }

        .section-title i {
            color: var(--primary-light);
            margin-right: 8px;
        }

        .section-divider {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 4px;
            margin: 8px 0 24px;
        }

        /* ===== 卡片通用 ===== */
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }

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

        .card-custom .card-img-top {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .card-custom:hover .card-img-top {
            transform: scale(1.03);
        }

        .card-custom .card-body {
            padding: 22px 24px 26px;
        }

        .card-custom .card-body .card-tag {
            display: inline-block;
            background: rgba(230, 57, 70, 0.12);
            color: var(--primary-light);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 50px;
            margin-bottom: 10px;
            border: 1px solid rgba(230, 57, 70, 0.15);
        }

        .card-custom .card-body .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-custom .card-body .card-title a {
            color: var(--text-white);
        }

        .card-custom .card-body .card-title a:hover {
            color: var(--primary-light);
        }

        .card-custom .card-body .card-text {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .card-custom .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
            margin-top: 4px;
        }

        .card-custom .card-body .card-meta i {
            color: var(--primary-light);
            margin-right: 4px;
        }

        /* ===== 活动特色卡片（大图） ===== */
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

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

        .feature-card .feature-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: var(--transition);
        }

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

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

        .feature-card .feature-body .feature-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(244, 162, 97, 0.15);
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 3px 14px;
            border-radius: 50px;
            margin-bottom: 12px;
            border: 1px solid rgba(244, 162, 97, 0.2);
            align-self: flex-start;
        }

        .feature-card .feature-body .feature-badge.hot {
            background: rgba(230, 57, 70, 0.15);
            color: var(--primary-light);
            border-color: rgba(230, 57, 70, 0.2);
        }

        .feature-card .feature-body .feature-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .feature-card .feature-body .feature-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

        .feature-card .feature-body .feature-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
        }

        .feature-card .feature-body .feature-footer .feature-date {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .feature-card .feature-body .feature-footer .feature-date i {
            margin-right: 4px;
            color: var(--primary-light);
        }

        .btn-outline-primary-custom {
            border: 1px solid var(--primary);
            color: var(--primary-light);
            background: transparent;
            padding: 6px 18px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .btn-outline-primary-custom:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
        }

        /* ===== 分类筛选标签 ===== */
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 36px;
        }

        .filter-tabs .filter-btn {
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }

        .filter-tabs .filter-btn:hover {
            border-color: var(--primary);
            color: var(--primary-light);
            background: rgba(230, 57, 70, 0.06);
        }

        .filter-tabs .filter-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
        }

        .filter-tabs .filter-btn i {
            margin-right: 4px;
        }

        /* ===== 活动流程时间线 ===== */
        .timeline-section {
            position: relative;
        }

        .timeline-section::before {
            content: '';
            position: absolute;
            left: 24px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), var(--accent), transparent);
            opacity: 0.4;
        }

        .timeline-item {
            position: relative;
            padding-left: 60px;
            padding-bottom: 40px;
        }

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

        .timeline-item .timeline-dot {
            position: absolute;
            left: 14px;
            top: 4px;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 3px solid var(--primary);
            box-shadow: 0 0 20px rgba(230, 57, 70, 0.25);
            z-index: 2;
        }

        .timeline-item .timeline-dot.completed {
            background: var(--primary);
        }

        .timeline-item .timeline-dot.completed::after {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: #fff;
            font-size: 0.65rem;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .timeline-item .timeline-content {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            transition: var(--transition);
        }

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

        .timeline-item .timeline-content .timeline-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 4px;
        }

        .timeline-item .timeline-content .timeline-title i {
            color: var(--primary-light);
            margin-right: 6px;
        }

        .timeline-item .timeline-content .timeline-desc {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .timeline-item .timeline-content .timeline-meta {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        .timeline-item .timeline-content .timeline-meta i {
            margin-right: 4px;
            color: var(--accent);
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-item .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            color: var(--text-white);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 1rem;
            transition: var(--transition);
        }

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

        .faq-item .faq-question i {
            color: var(--primary-light);
            transition: var(--transition);
        }

        .faq-item .faq-question .faq-toggle {
            font-size: 1.1rem;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .faq-item .faq-answer {
            padding: 0 22px 18px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-darker) 0%, rgba(230, 57, 70, 0.06) 50%, var(--bg-darker) 100%);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .cta-box {
            background: linear-gradient(145deg, var(--bg-card), rgba(230, 57, 70, 0.08));
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .cta-box h3 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }

        .cta-box h3 i {
            color: var(--primary-light);
            margin-right: 8px;
        }

        .cta-box p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .btn-primary-custom {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border: none;
            padding: 14px 40px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.5px;
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.35);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary-custom:hover {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(230, 57, 70, 0.45);
            color: #fff;
        }

        .btn-primary-custom i {
            font-size: 1.1rem;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 30px;
            color: var(--text-muted);
        }

        .footer .footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
            transition: var(--transition);
        }

        .footer .footer-brand i {
            color: var(--primary);
            font-size: 1.8rem;
        }

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

        .footer .footer-desc {
            font-size: 0.95rem;
            line-height: 1.7;
            color: var(--text-muted);
            margin-bottom: 18px;
            max-width: 360px;
        }

        .footer .footer-social {
            display: flex;
            gap: 14px;
        }

        .footer .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-muted);
            font-size: 1.1rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .footer .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.3);
        }

        .footer h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }

        .footer h5 i {
            color: var(--primary-light);
            margin-right: 6px;
        }

        .footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer .footer-links li {
            margin-bottom: 8px;
        }

        .footer .footer-links li a {
            color: var(--text-muted);
            font-size: 0.92rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .footer .footer-links li a i {
            font-size: 0.7rem;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .footer .footer-links li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

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

        .footer .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            margin-top: 36px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

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

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

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .page-hero h1 {
                font-size: 2.6rem;
            }

            .section-title {
                font-size: 1.9rem;
            }

            .feature-card .feature-img {
                height: 180px;
            }
        }

        @media (max-width: 768px) {
            .top-bar .container {
                flex-direction: column;
                align-items: flex-start;
            }

            .top-bar .top-bar-right {
                width: 100%;
                justify-content: flex-start;
                flex-wrap: wrap;
            }

            .navbar-main .navbar-brand {
                font-size: 1.2rem;
                padding: 12px 0;
            }

            .navbar-main .navbar-brand i {
                font-size: 1.4rem;
            }

            .navbar-main .nav-link {
                padding: 12px 16px !important;
                border-bottom: none;
                border-left: 3px solid transparent;
            }

            .navbar-main .nav-link.active {
                border-bottom: none;
                border-left-color: var(--primary);
            }

            .navbar-main .nav-cta {
                margin: 8px 16px !important;
                text-align: center;
            }

            .page-hero {
                padding: 50px 0 44px;
            }

            .page-hero h1 {
                font-size: 2rem;
            }

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

            .page-hero .hero-stats {
                gap: 16px 24px;
            }

            .page-hero .hero-stats .stat-item .stat-number {
                font-size: 1.4rem;
            }

            .section-padding {
                padding: 50px 0;
            }

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

            .filter-tabs {
                gap: 8px;
            }

            .filter-tabs .filter-btn {
                padding: 6px 16px;
                font-size: 0.85rem;
            }

            .feature-card .feature-img {
                height: 160px;
            }

            .feature-card .feature-body {
                padding: 16px 18px 20px;
            }

            .feature-card .feature-body .feature-title {
                font-size: 1.1rem;
            }

            .card-custom .card-img-top {
                height: 160px;
            }

            .card-custom .card-body {
                padding: 16px 18px 20px;
            }

            .timeline-section::before {
                left: 16px;
            }

            .timeline-item {
                padding-left: 44px;
                padding-bottom: 28px;
            }

            .timeline-item .timeline-dot {
                left: 8px;
                width: 18px;
                height: 18px;
            }

            .cta-box {
                padding: 36px 24px;
            }

            .cta-box h3 {
                font-size: 1.5rem;
            }

            .btn-primary-custom {
                padding: 12px 28px;
                font-size: 0.95rem;
            }

            .footer {
                padding: 40px 0 20px;
            }

            .footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }

            .page-hero .hero-stats .stat-item .stat-number {
                font-size: 1.2rem;
            }

            .section-title {
                font-size: 1.3rem;
            }

            .filter-tabs .filter-btn {
                font-size: 0.8rem;
                padding: 4px 12px;
            }

            .feature-card .feature-img {
                height: 130px;
            }

            .card-custom .card-img-top {
                height: 130px;
            }

            .cta-box h3 {
                font-size: 1.2rem;
            }

            .footer .footer-brand {
                font-size: 1.2rem;
            }
        }

        /* ===== 辅助 ===== */
        .text-primary-light {
            color: var(--primary-light);
        }

        .text-accent {
            color: var(--accent);
        }

        .bg-glass {
            background: rgba(17, 24, 39, 0.6);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .gap-2 {
            gap: 8px;
        }

        .gap-3 {
            gap: 16px;
        }

        .mb-0 {
            margin-bottom: 0;
        }

        .mt-2 {
            margin-top: 8px;
        }