/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary-dark: #0b0e1a;
            --primary-mid: #111827;
            --primary-light: #1a2332;
            --accent-gold: #f0b90b;
            --accent-blue: #00e5ff;
            --accent-purple: #7c3aed;
            --bg-body: #0d1117;
            --bg-card: #161b22;
            --bg-card-hover: #1c2333;
            --text-white: #ffffff;
            --text-light: #e8edf5;
            --text-muted: #8b95a5;
            --text-dim: #6b7280;
            --border-color: #2d3748;
            --border-light: #3d4a5c;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
            --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: var(--font-base);
            background: var(--bg-body);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: var(--accent-blue); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent-gold); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        ul, ol { list-style: none; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
        ::selection { background: var(--accent-gold); color: var(--primary-dark); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        @media (max-width: 768px) { .container { padding: 0 16px; } }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(11, 14, 26, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(45, 55, 72, 0.5);
            transition: var(--transition);
        }
        .site-header.scrolled { background: rgba(11, 14, 26, 0.98); box-shadow: var(--shadow-md); }
        .top-bar {
            background: rgba(240, 185, 11, 0.08);
            padding: 6px 0;
            font-size: 0.8rem;
            color: var(--text-muted);
            border-bottom: 1px solid rgba(45, 55, 72, 0.3);
        }
        .top-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
        .top-bar .domain-tip { color: var(--accent-gold); font-weight: 500; letter-spacing: 0.3px; }
        .top-bar .top-actions { display: flex; gap: 16px; align-items: center; }
        .top-bar .top-actions a { color: var(--text-muted); font-size: 0.78rem; transition: var(--transition); }
        .top-bar .top-actions a:hover { color: var(--accent-blue); }
        .navbar-main {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            gap: 20px;
        }
        .navbar-brand {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .navbar-brand:hover { color: var(--accent-gold); transform: scale(1.02); }
        .navbar-brand .brand-icon { color: var(--accent-gold); font-size: 1.8rem; }
        .navbar-nav { display: flex; align-items: center; gap: 6px; }
        .navbar-nav .nav-item { position: relative; }
        .navbar-nav .nav-link {
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.3px;
        }
        .navbar-nav .nav-link:hover { color: var(--text-white); background: rgba(240, 185, 11, 0.08); }
        .navbar-nav .nav-link.active { color: var(--accent-gold); background: rgba(240, 185, 11, 0.12); }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 4px;
        }
        .nav-cta {
            background: linear-gradient(135deg, var(--accent-gold), #e6a800);
            color: var(--primary-dark) !important;
            font-weight: 700 !important;
            padding: 8px 24px !important;
            border-radius: var(--radius-md) !important;
            box-shadow: 0 4px 16px rgba(240, 185, 11, 0.3);
            transition: var(--transition);
        }
        .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(240, 185, 11, 0.45); color: var(--primary-dark) !important; }
        .navbar-toggler {
            background: transparent;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            color: var(--text-light);
            font-size: 1.3rem;
            cursor: pointer;
            transition: var(--transition);
            display: none;
        }
        .navbar-toggler:hover { border-color: var(--accent-gold); color: var(--accent-gold); }
        @media (max-width: 768px) {
            .top-bar .domain-tip { font-size: 0.7rem; }
            .top-bar .top-actions { display: none; }
            .navbar-toggler { display: block; }
            .navbar-nav { display: none; flex-direction: column; width: 100%; padding: 16px 0; gap: 4px; }
            .navbar-nav.show { display: flex; }
            .navbar-nav .nav-link { padding: 12px 16px; width: 100%; }
            .navbar-nav .nav-link.active::after { display: none; }
            .navbar-main { flex-wrap: wrap; }
            .nav-cta { text-align: center; }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            background: var(--primary-dark);
            background-image: linear-gradient(135deg, rgba(11,14,26,0.85) 0%, rgba(17,24,39,0.7) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center center;
            background-attachment: fixed;
            margin-top: 0;
            padding-top: 120px;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(240,185,11,0.06) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 80%, rgba(0,229,255,0.05) 0%, transparent 50%);
            pointer-events: none;
        }
        .hero .container { position: relative; z-index: 2; }
        .hero-content { max-width: 700px; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(240, 185, 11, 0.12);
            color: var(--accent-gold);
            font-size: 0.82rem;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 40px;
            border: 1px solid rgba(240, 185, 11, 0.2);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.15;
            color: var(--text-white);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero-title .highlight { color: var(--accent-gold); }
        .hero-sub {
            font-size: 1.15rem;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 600px;
        }
        .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
        .btn-primary-custom {
            background: linear-gradient(135deg, var(--accent-gold), #e6a800);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 36px;
            border-radius: var(--radius-md);
            border: none;
            box-shadow: 0 4px 20px rgba(240, 185, 11, 0.3);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            cursor: pointer;
        }
        .btn-primary-custom:hover { transform: translateY(-3px); box-shadow: 0 10px 32px rgba(240, 185, 11, 0.45); color: var(--primary-dark); }
        .btn-outline-custom {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 36px;
            border-radius: var(--radius-md);
            border: 2px solid var(--border-light);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            cursor: pointer;
        }
        .btn-outline-custom:hover { border-color: var(--accent-gold); color: var(--accent-gold); transform: translateY(-3px); }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(45, 55, 72, 0.4);
        }
        .hero-stat-item span { display: block; }
        .hero-stat-num { font-size: 2rem; font-weight: 800; color: var(--accent-gold); line-height: 1.2; }
        .hero-stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }
        @media (max-width: 768px) {
            .hero { min-height: 70vh; padding-top: 100px; background-attachment: scroll; }
            .hero-title { font-size: 2rem; }
            .hero-sub { font-size: 0.95rem; }
            .hero-stats { gap: 24px; flex-wrap: wrap; }
            .hero-stat-num { font-size: 1.5rem; }
        }
        @media (max-width: 520px) {
            .hero-title { font-size: 1.6rem; }
            .hero-actions { flex-direction: column; }
            .btn-primary-custom, .btn-outline-custom { width: 100%; justify-content: center; }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
            position: relative;
        }
        .section-dark { background: var(--primary-mid); }
        .section-darker { background: var(--primary-dark); }
        .section-divider { background: linear-gradient(180deg, var(--primary-dark), var(--primary-mid)); }
        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-tag {
            display: inline-block;
            background: rgba(240, 185, 11, 0.1);
            color: var(--accent-gold);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 30px;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            border: 1px solid rgba(240, 185, 11, 0.15);
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }
        .section-title .highlight { color: var(--accent-gold); }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.8;
        }
        @media (max-width: 768px) {
            .section { padding: 60px 0; }
            .section-title { font-size: 1.6rem; }
            .section-desc { font-size: 0.95rem; }
        }

        /* ===== 卡片 ===== */
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
            height: 100%;
        }
        .card-custom:hover { background: var(--bg-card-hover); border-color: var(--border-light); transform: translateY(-6px); box-shadow: var(--shadow-md); }
        .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 16px;
            background: rgba(240, 185, 11, 0.1);
            color: var(--accent-gold);
        }
        .card-custom h3 { font-size: 1.2rem; font-weight: 700; color: var(--text-white); margin-bottom: 10px; }
        .card-custom p { color: var(--text-muted); font-size: 0.92rem; line-height: 1.7; margin-bottom: 0; }
        .card-custom .card-link { color: var(--accent-blue); font-weight: 600; font-size: 0.88rem; margin-top: 12px; display: inline-flex; align-items: center; gap: 6px; transition: var(--transition); }
        .card-custom .card-link:hover { color: var(--accent-gold); gap: 10px; }
        .card-cover {
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            height: 100%;
        }
        .card-cover:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--border-light); }
        .card-cover .cover-img { width: 100%; height: 200px; object-fit: cover; border-radius: 0; }
        .card-cover .cover-body { padding: 20px 22px; }
        .card-cover .cover-body h4 { font-size: 1.1rem; font-weight: 700; color: var(--text-white); margin-bottom: 8px; }
        .card-cover .cover-body p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.6; margin-bottom: 12px; }
        .card-cover .cover-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 20px;
            background: rgba(0, 229, 255, 0.1);
            color: var(--accent-blue);
            border: 1px solid rgba(0, 229, 255, 0.15);
        }

        /* ===== 列表 ===== */
        .list-cms-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid rgba(45, 55, 72, 0.3);
            transition: var(--transition);
        }
        .list-cms-item:last-child { border-bottom: none; }
        .list-cms-item:hover { padding-left: 8px; }
        .list-cms-item .item-index {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: rgba(240, 185, 11, 0.08);
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .list-cms-item .item-content { flex: 1; min-width: 0; }
        .list-cms-item .item-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 4px;
            transition: var(--transition);
            display: block;
        }
        .list-cms-item .item-title:hover { color: var(--accent-gold); }
        .list-cms-item .item-meta {
            font-size: 0.78rem;
            color: var(--text-dim);
            display: flex;
            gap: 12px;
            align-items: center;
        }
        .list-cms-item .item-meta .cat { color: var(--accent-blue); }
        .list-cms-empty {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--border-light); }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            color: var(--text-white);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 1rem;
        }
        .faq-question:hover { color: var(--accent-gold); }
        .faq-question .faq-toggle { color: var(--accent-gold); transition: var(--transition); font-size: 1.1rem; }
        .faq-question[aria-expanded="true"] .faq-toggle { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(240, 185, 11, 0.1);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(240,185,11,0.04) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 { font-size: 2rem; font-weight: 800; color: var(--text-white); margin-bottom: 14px; }
        .cta-section p { color: var(--text-muted); font-size: 1.05rem; max-width: 560px; margin: 0 auto 28px; line-height: 1.8; }
        .cta-section .btn-primary-custom { font-size: 1.08rem; padding: 16px 44px; }
        @media (max-width: 768px) {
            .cta-section { padding: 40px 24px; }
            .cta-section h2 { font-size: 1.5rem; }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            border-top: 1px solid rgba(45, 55, 72, 0.4);
            padding: 48px 0 20px;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
        .footer-brand .navbar-brand { font-size: 1.3rem; margin-bottom: 12px; display: inline-flex; }
        .footer-brand p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.8; max-width: 340px; }
        .footer-col h5 { color: var(--text-white); font-size: 0.95rem; font-weight: 700; margin-bottom: 16px; letter-spacing: 0.5px; }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.85rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--accent-gold); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(45, 55, 72, 0.3);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-dim);
        }
        .footer-bottom a { color: var(--text-dim); }
        .footer-bottom a:hover { color: var(--accent-gold); }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(45, 55, 72, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-social a:hover { background: var(--accent-gold); color: var(--primary-dark); }
        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ===== 工具类 ===== */
        .text-gold { color: var(--accent-gold); }
        .text-blue { color: var(--accent-blue); }
        .bg-card { background: var(--bg-card); }
        .gap-2 { gap: 8px; }
        .gap-3 { gap: 16px; }
        .gap-4 { gap: 24px; }

        /* ===== 统计块 ===== */
        .stat-block {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            transition: var(--transition);
        }
        .stat-block:hover { border-color: var(--accent-gold); transform: translateY(-4px); box-shadow: var(--shadow-sm); }
        .stat-block .stat-num { font-size: 2.4rem; font-weight: 900; color: var(--accent-gold); line-height: 1.2; }
        .stat-block .stat-label { color: var(--text-muted); font-size: 0.9rem; margin-top: 6px; }

        /* ===== 流程步骤 ===== */
        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            margin-bottom: 28px;
        }
        .step-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), #e6a800);
            color: var(--primary-dark);
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .step-content h4 { font-size: 1.05rem; font-weight: 700; color: var(--text-white); margin-bottom: 4px; }
        .step-content p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.6; margin-bottom: 0; }

        /* ===== 移动端微调 ===== */
        @media (max-width: 520px) {
            .hero-title { font-size: 1.4rem; }
            .hero-stat-num { font-size: 1.2rem; }
            .section-title { font-size: 1.3rem; }
            .card-custom { padding: 20px 16px; }
            .cta-section h2 { font-size: 1.2rem; }
            .stat-block .stat-num { font-size: 1.6rem; }
        }

        /* ===== 滚动动画 ===== */
        .fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
        .fade-in.visible { opacity: 1; transform: translateY(0); }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #2d4a7a;
            --accent: #f4a261;
            --accent-light: #ffd166;
            --bg-dark: #0b132b;
            --bg-mid: #1a1a2e;
            --bg-light: #f8f9fa;
            --bg-card: #ffffff;
            --text-white: #ffffff;
            --text-light: #f0f0f0;
            --text-body: #2b2d42;
            --text-muted: #6c757d;
            --border-color: #e0e0e0;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.12);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-light);
            color: var(--text-body);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        a:hover { color: var(--primary); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--secondary); }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; margin-bottom: 1rem; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.2rem; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        section { padding: 80px 0; }

        /* ===== Buttons ===== */
        .btn-custom {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 12px 32px; border-radius: 50px; font-weight: 600;
            font-size: 1rem; border: none; cursor: pointer;
            transition: var(--transition); text-align: center;
        }
        .btn-primary-custom {
            background: var(--primary); color: var(--text-white);
            box-shadow: 0 4px 15px rgba(230, 57, 70, 0.35);
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark); color: var(--text-white);
            transform: translateY(-2px); box-shadow: 0 8px 25px rgba(230, 57, 70, 0.45);
        }
        .btn-secondary-custom {
            background: var(--secondary); color: var(--text-white);
            box-shadow: 0 4px 15px rgba(29, 53, 87, 0.3);
        }
        .btn-secondary-custom:hover {
            background: var(--secondary-light); color: var(--text-white);
            transform: translateY(-2px); box-shadow: 0 8px 25px rgba(29, 53, 87, 0.4);
        }
        .btn-outline-custom {
            background: transparent; color: var(--text-white);
            border: 2px solid rgba(255,255,255,0.6);
        }
        .btn-outline-custom:hover {
            background: rgba(255,255,255,0.15); color: var(--text-white);
            border-color: var(--text-white); transform: translateY(-2px);
        }
        .btn-accent-custom {
            background: var(--accent); color: var(--secondary);
            box-shadow: 0 4px 15px rgba(244, 162, 97, 0.35);
        }
        .btn-accent-custom:hover {
            background: #e08f50; color: var(--secondary);
            transform: translateY(-2px); box-shadow: 0 8px 25px rgba(244, 162, 97, 0.45);
        }
        .btn-ghost {
            background: transparent; color: var(--primary); border: 2px solid var(--primary);
        }
        .btn-ghost:hover {
            background: var(--primary); color: var(--text-white);
            transform: translateY(-2px);
        }

        /* ===== 导航 ===== */
        .site-header {
            background: var(--bg-dark); position: sticky; top: 0; z-index: 1050;
            box-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        .top-bar {
            background: rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.08);
            padding: 6px 0; font-size: 0.85rem; color: rgba(255,255,255,0.7);
        }
        .top-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }
        .top-bar a { color: rgba(255,255,255,0.7); margin-left: 18px; transition: var(--transition); }
        .top-bar a:hover { color: var(--accent); }
        .domain-tip i { color: var(--accent); }

        .navbar-main {
            display: flex; align-items: center; justify-content: space-between;
            padding: 10px 0; position: relative;
        }
        .navbar-brand {
            display: flex; align-items: center; gap: 10px;
            font-size: 1.5rem; font-weight: 800; color: var(--text-white);
            letter-spacing: 0.5px;
        }
        .navbar-brand:hover { color: var(--accent); }
        .brand-icon {
            width: 42px; height: 42px; display: flex; align-items: center; justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 12px; font-size: 1.2rem; color: #fff;
        }
        .navbar-toggler {
            display: none; background: none; border: 2px solid rgba(255,255,255,0.3);
            color: var(--text-white); font-size: 1.5rem; padding: 6px 14px;
            border-radius: 8px; cursor: pointer; transition: var(--transition);
        }
        .navbar-toggler:hover { border-color: var(--accent); color: var(--accent); }

        .navbar-nav { display: flex; align-items: center; gap: 6px; }
        .nav-item {
            padding: 8px 18px; border-radius: 30px; font-weight: 600; font-size: 0.95rem;
            color: rgba(255,255,255,0.8); transition: var(--transition);
        }
        .nav-item:hover { background: rgba(255,255,255,0.1); color: var(--text-white); }
        .nav-item.active { background: var(--primary); color: var(--text-white); }
        .nav-cta {
            background: var(--accent); color: var(--secondary);
            padding: 8px 24px; margin-left: 8px;
        }
        .nav-cta:hover { background: #e08f50; color: var(--secondary); }

        /* ===== Hero 区域 ===== */
        .hero-section {
            position: relative; min-height: 70vh; display: flex; align-items: center;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-mid) 60%, #16213e 100%);
            overflow: hidden; padding: 100px 0 80px;
        }
        .hero-section::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.15; mix-blend-mode: overlay;
        }
        .hero-overlay {
            position: absolute; inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(230,57,70,0.15) 0%, transparent 60%);
        }
        .hero-content { position: relative; z-index: 2; color: var(--text-white); max-width: 700px; }
        .hero-badge {
            display: inline-block; padding: 6px 20px; border-radius: 50px;
            background: rgba(255,255,255,0.12); backdrop-filter: blur(8px);
            font-size: 0.9rem; font-weight: 500; margin-bottom: 20px;
            border: 1px solid rgba(255,255,255,0.15);
        }
        .hero-content h1 { font-size: 3.2rem; font-weight: 800; color: var(--text-white); margin-bottom: 20px; }
        .hero-content h1 .highlight { color: var(--accent); }
        .hero-content p { font-size: 1.15rem; color: rgba(255,255,255,0.8); margin-bottom: 32px; max-width: 580px; }
        .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
        .hero-stats {
            display: flex; gap: 40px; margin-top: 48px; padding-top: 32px;
            border-top: 1px solid rgba(255,255,255,0.12);
        }
        .hero-stat-item h3 { font-size: 2rem; color: var(--accent); margin-bottom: 2px; }
        .hero-stat-item span { font-size: 0.9rem; color: rgba(255,255,255,0.6); }

        /* ===== 区块通用 ===== */
        .section-header {
            text-align: center; max-width: 750px; margin: 0 auto 48px;
        }
        .section-header h2 { margin-bottom: 12px; }
        .section-header p { color: var(--text-muted); font-size: 1.05rem; }
        .section-subtitle {
            display: inline-block; padding: 4px 16px; border-radius: 50px;
            background: rgba(230,57,70,0.1); color: var(--primary);
            font-size: 0.85rem; font-weight: 600; margin-bottom: 12px;
        }

        /* ===== 核心卖点卡片 ===== */
        .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
        .feature-card {
            background: var(--bg-card); border-radius: var(--radius-md);
            padding: 36px 28px; box-shadow: var(--shadow-sm);
            transition: var(--transition); border: 1px solid rgba(0,0,0,0.04);
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-6px); box-shadow: var(--shadow-md);
            border-color: rgba(230,57,70,0.15);
        }
        .feature-icon {
            width: 64px; height: 64px; margin: 0 auto 20px;
            display: flex; align-items: center; justify-content: center;
            border-radius: 16px; font-size: 1.6rem; color: #fff;
        }
        .feature-icon.red { background: linear-gradient(135deg, var(--primary), var(--primary-light)); }
        .feature-icon.blue { background: linear-gradient(135deg, var(--secondary), #4a6fa5); }
        .feature-icon.gold { background: linear-gradient(135deg, var(--accent), #e08f50); }
        .feature-icon.green { background: linear-gradient(135deg, #2a9d8f, #52b788); }
        .feature-icon.purple { background: linear-gradient(135deg, #7b2cbf, #9d4edd); }
        .feature-icon.teal { background: linear-gradient(135deg, #006d77, #2a9d8f); }
        .feature-card h3 { margin-bottom: 10px; font-size: 1.2rem; }
        .feature-card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; }

        /* ===== 热门赛事 ===== */
        .hot-events-section { background: var(--bg-mid); color: var(--text-white); }
        .hot-events-section .section-header h2 { color: var(--text-white); }
        .hot-events-section .section-header p { color: rgba(255,255,255,0.6); }
        .events-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
        .event-card {
            display: flex; gap: 20px; background: rgba(255,255,255,0.06);
            backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-md); padding: 24px; transition: var(--transition);
            align-items: center;
        }
        .event-card:hover {
            background: rgba(255,255,255,0.1); transform: translateY(-4px);
            border-color: rgba(230,57,70,0.3);
        }
        .event-cover {
            width: 100px; height: 100px; border-radius: var(--radius-sm);
            object-fit: cover; flex-shrink: 0; background: var(--bg-dark);
        }
        .event-info { flex: 1; }
        .event-tag {
            display: inline-block; padding: 2px 12px; border-radius: 20px;
            background: var(--primary); font-size: 0.75rem; font-weight: 600;
            margin-bottom: 8px; color: #fff;
        }
        .event-info h4 { font-size: 1.1rem; color: var(--text-white); margin-bottom: 6px; }
        .event-info p { font-size: 0.9rem; color: rgba(255,255,255,0.6); margin-bottom: 10px; }
        .event-meta { display: flex; gap: 16px; font-size: 0.85rem; color: rgba(255,255,255,0.5); }
        .event-meta i { margin-right: 4px; }
        .event-odds { display: flex; gap: 8px; margin-top: 10px; }
        .odd-badge {
            padding: 4px 14px; border-radius: 20px; background: rgba(255,255,255,0.1);
            font-weight: 700; font-size: 0.85rem; color: var(--accent);
        }

        /* ===== 竞猜流程 ===== */
        .process-section { background: var(--bg-light); }
        .process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
        .process-step {
            text-align: center; position: relative; padding: 0 10px;
        }
        .step-number {
            width: 56px; height: 56px; margin: 0 auto 16px;
            display: flex; align-items: center; justify-content: center;
            border-radius: 50%; background: var(--primary);
            color: #fff; font-size: 1.4rem; font-weight: 800;
            box-shadow: 0 8px 25px rgba(230,57,70,0.3);
        }
        .process-step h4 { margin-bottom: 8px; font-size: 1.1rem; }
        .process-step p { color: var(--text-muted); font-size: 0.9rem; max-width: 220px; margin: 0 auto; }
        .step-connector {
            position: absolute; top: 28px; left: 60%; width: 80%;
            height: 2px; background: linear-gradient(90deg, var(--primary), var(--accent), transparent);
            pointer-events: none;
        }
        .process-step:last-child .step-connector { display: none; }

        /* ===== 适用场景 ===== */
        .scenarios-section { background: var(--bg-dark); color: var(--text-white); }
        .scenarios-section .section-header h2 { color: var(--text-white); }
        .scenarios-section .section-header p { color: rgba(255,255,255,0.6); }
        .scenarios-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .scenario-card {
            background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-md); padding: 28px 24px; transition: var(--transition);
            text-align: center;
        }
        .scenario-card:hover {
            background: rgba(255,255,255,0.1); transform: translateY(-4px);
            border-color: rgba(244,162,97,0.3);
        }
        .scenario-icon { font-size: 2.4rem; margin-bottom: 16px; color: var(--accent); }
        .scenario-card h4 { color: var(--text-white); margin-bottom: 8px; font-size: 1.1rem; }
        .scenario-card p { color: rgba(255,255,255,0.6); font-size: 0.9rem; }

        /* ===== 数据优势 ===== */
        .data-section {
            background: linear-gradient(135deg, var(--bg-mid), var(--bg-dark));
            color: var(--text-white);
        }
        .data-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
        .data-item h3 { font-size: 2.6rem; color: var(--accent); font-weight: 800; margin-bottom: 4px; }
        .data-item p { color: rgba(255,255,255,0.6); font-size: 0.95rem; }

        /* ===== FAQ ===== */
        .faq-section { background: var(--bg-light); }
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--bg-card); border-radius: var(--radius-sm);
            border: 1px solid var(--border-color); overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(230,57,70,0.2); }
        .faq-question {
            padding: 18px 24px; display: flex; justify-content: space-between; align-items: center;
            cursor: pointer; font-weight: 600; font-size: 1.02rem;
            background: none; border: none; width: 100%; text-align: left;
            transition: var(--transition); color: var(--secondary);
        }
        .faq-question:hover { color: var(--primary); }
        .faq-question i { transition: var(--transition); color: var(--primary); }
        .faq-question[aria-expanded="true"] i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 18px; color: var(--text-muted); font-size: 0.95rem;
            line-height: 1.8; display: none;
        }
        .faq-answer.open { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--text-white); text-align: center; padding: 80px 0;
            position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.08; mix-blend-mode: overlay;
        }
        .cta-content { position: relative; z-index: 2; max-width: 650px; margin: 0 auto; }
        .cta-section h2 { color: var(--text-white); font-size: 2.4rem; margin-bottom: 16px; }
        .cta-section p { color: rgba(255,255,255,0.85); font-size: 1.1rem; margin-bottom: 32px; }
        .cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark); color: rgba(255,255,255,0.7);
            padding: 60px 0 30px;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand .navbar-brand { font-size: 1.3rem; margin-bottom: 12px; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.8; margin-top: 12px; max-width: 360px; }
        .footer-col h5 { color: var(--text-white); font-size: 1.05rem; margin-bottom: 16px; }
        .footer-col a { display: block; color: rgba(255,255,255,0.6); margin-bottom: 10px; font-size: 0.9rem; }
        .footer-col a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px;
            display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px;
            font-size: 0.85rem;
        }
        .footer-bottom a { color: rgba(255,255,255,0.6); }
        .footer-bottom a:hover { color: var(--accent); }
        .footer-social a {
            display: inline-block; width: 36px; height: 36px; line-height: 36px;
            text-align: center; border-radius: 50%; background: rgba(255,255,255,0.08);
            color: rgba(255,255,255,0.6); margin-left: 8px; font-size: 1rem;
        }
        .footer-social a:hover { background: var(--accent); color: var(--secondary); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .events-grid { grid-template-columns: 1fr; }
            .process-steps { grid-template-columns: repeat(2, 1fr); }
            .step-connector { display: none; }
            .scenarios-grid { grid-template-columns: repeat(2, 1fr); }
            .data-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .navbar-toggler { display: block; }
            .navbar-nav {
                display: none; flex-direction: column; width: 100%;
                padding: 16px 0; gap: 4px;
            }
            .navbar-nav.open { display: flex; }
            .nav-item { width: 100%; text-align: center; padding: 10px 0; }
            .nav-cta { margin-left: 0; margin-top: 8px; }
            .top-bar .container { flex-direction: column; gap: 4px; }
            .top-bar a { margin: 0 8px; }

            .hero-content h1 { font-size: 2rem; }
            .hero-stats { flex-wrap: wrap; gap: 20px; }
            .hero-stat-item { flex: 1 1 40%; }

            .features-grid { grid-template-columns: 1fr; }
            .process-steps { grid-template-columns: 1fr; }
            .scenarios-grid { grid-template-columns: 1fr; }
            .data-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            section { padding: 50px 0; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .event-card { flex-direction: column; align-items: flex-start; }
            .event-cover { width: 80px; height: 80px; }
            .hero-section { min-height: auto; padding: 60px 0; }
        }
        @media (max-width: 520px) {
            .hero-content h1 { font-size: 1.6rem; }
            .hero-actions { flex-direction: column; }
            .btn-custom { width: 100%; justify-content: center; }
            .data-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .data-item h3 { font-size: 1.8rem; }
            .hero-stats { gap: 12px; }
            .hero-stat-item { flex: 1 1 45%; }
            .hero-stat-item h3 { font-size: 1.5rem; }
        }

        /* ===== 工具类 ===== */
        .text-accent { color: var(--accent); }
        .text-primary { color: var(--primary); }
        .bg-dark-section { background: var(--bg-dark); }
        .bg-mid-section { background: var(--bg-mid); }
        .rounded-shadow { border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
        .mt-2 { margin-top: 20px; }
        .mb-2 { margin-bottom: 20px; }
        .gap-1 { gap: 10px; }
        .gap-2 { gap: 20px; }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --secondary: #e8a838;
            --secondary-dark: #c88a1e;
            --accent: #f5c842;
            --accent-glow: rgba(232, 168, 56, 0.25);
            --dark: #0f0f1a;
            --darker: #08080f;
            --light: #f8f6f0;
            --light-alt: #efece3;
            --text: #1e1e2a;
            --text-light: #6b6b7a;
            --text-white: #f5f3ee;
            --border: #d4cfc6;
            --border-light: #e8e3da;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 28px rgba(0,0,0,0.10);
            --shadow-lg: 0 20px 50px rgba(0,0,0,0.14);
            --shadow-glow: 0 0 30px rgba(232,168,56,0.15);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }

        /* ===== Reset / Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            background: var(--light);
            color: var(--text);
            line-height: 1.7;
            font-size: 1rem;
            overflow-x: hidden;
        }
        a { color: var(--secondary-dark); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--secondary); text-decoration: none; }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .container-narrow { max-width: 860px; margin: 0 auto; padding: 0 20px; }

        /* ===== 导航 ===== */
        .site-header {
            background: var(--darker);
            border-bottom: 2px solid rgba(232,168,56,0.15);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 4px 20px rgba(0,0,0,0.5);
        }
        .site-header .top-bar {
            background: rgba(0,0,0,0.45);
            padding: 6px 0;
            font-size: 0.8rem;
            border-bottom: 1px solid rgba(232,168,56,0.08);
        }
        .site-header .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .site-header .top-bar .domain-tip {
            color: var(--text-white);
            opacity: 0.75;
            letter-spacing: 0.3px;
        }
        .site-header .top-bar .domain-tip i { color: var(--secondary); }
        .site-header .top-bar .top-actions a {
            color: var(--text-white);
            opacity: 0.7;
            margin-left: 18px;
            font-size: 0.78rem;
            transition: var(--transition);
        }
        .site-header .top-bar .top-actions a:hover { opacity: 1; color: var(--secondary); }
        .navbar-main {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            flex-wrap: wrap;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.5px;
        }
        .navbar-brand:hover { color: var(--secondary); }
        .navbar-brand .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            border-radius: var(--radius-sm);
            color: var(--darker);
            font-size: 1.2rem;
            box-shadow: var(--shadow-glow);
        }
        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .navbar-nav .nav-item {
            color: rgba(245,243,238,0.75);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        .navbar-nav .nav-item:hover { color: var(--text-white); background: rgba(232,168,56,0.10); }
        .navbar-nav .nav-item.active {
            color: var(--secondary);
            background: rgba(232,168,56,0.12);
        }
        .navbar-nav .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
        }
        .navbar-nav .nav-cta {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: var(--darker) !important;
            font-weight: 600;
            padding: 8px 22px;
            border-radius: var(--radius-sm);
            box-shadow: 0 0 18px rgba(232,168,56,0.25);
        }
        .navbar-nav .nav-cta:hover {
            background: linear-gradient(135deg, var(--accent), var(--secondary));
            color: var(--darker) !important;
            transform: translateY(-1px);
            box-shadow: 0 0 28px rgba(232,168,56,0.35);
        }
        .navbar-toggler {
            display: none;
            background: none;
            border: 1px solid rgba(232,168,56,0.25);
            color: var(--text-white);
            font-size: 1.3rem;
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
        }
        .navbar-toggler:hover { background: rgba(232,168,56,0.10); border-color: var(--secondary); }

        /* ===== 文章 Hero ===== */
        .article-hero {
            position: relative;
            background: var(--darker);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 80px 0 60px;
            min-height: 360px;
            display: flex;
            align-items: center;
            isolation: isolate;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8,8,15,0.88) 0%, rgba(26,26,46,0.78) 100%);
            z-index: 0;
        }
        .article-hero .container-narrow { position: relative; z-index: 1; }
        .article-hero .article-category {
            display: inline-block;
            background: var(--secondary);
            color: var(--darker);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .article-hero h1 {
            color: var(--text-white);
            font-size: 2.4rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            text-shadow: 0 2px 12px rgba(0,0,0,0.3);
        }
        .article-hero .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            color: rgba(245,243,238,0.65);
            font-size: 0.88rem;
        }
        .article-hero .article-meta i { color: var(--secondary); margin-right: 6px; }
        .article-hero .article-meta span { display: inline-flex; align-items: center; }

        /* ===== 文章正文 ===== */
        .article-body {
            padding: 50px 0 60px;
            background: var(--light);
        }
        .article-body .content-wrap {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 50px 48px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text);
        }
        .article-body .content-wrap p { margin-bottom: 1.2rem; }
        .article-body .content-wrap h2, 
        .article-body .content-wrap h3 { margin-top: 2rem; margin-bottom: 1rem; font-weight: 600; color: var(--primary); }
        .article-body .content-wrap h2 { font-size: 1.6rem; }
        .article-body .content-wrap h3 { font-size: 1.3rem; }
        .article-body .content-wrap ul, 
        .article-body .content-wrap ol { padding-left: 1.5rem; margin-bottom: 1.2rem; }
        .article-body .content-wrap li { margin-bottom: 0.5rem; }
        .article-body .content-wrap img { border-radius: var(--radius-md); margin: 1.5rem 0; }
        .article-body .content-wrap blockquote {
            border-left: 4px solid var(--secondary);
            padding: 16px 24px;
            margin: 1.5rem 0;
            background: rgba(232,168,56,0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-body .content-not-found {
            text-align: center;
            padding: 80px 20px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }
        .article-body .content-not-found i { font-size: 3rem; color: var(--border); margin-bottom: 20px; }
        .article-body .content-not-found h3 { color: var(--text-light); font-weight: 500; }
        .article-body .content-not-found a { margin-top: 16px; display: inline-block; }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 60px 0;
            background: var(--light-alt);
        }
        .related-section .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .related-section .section-title h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--primary);
        }
        .related-section .section-title p {
            color: var(--text-light);
            max-width: 600px;
            margin: 8px auto 0;
        }
        .related-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-light);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--secondary);
        }
        .related-card .card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            background-color: var(--darker);
        }
        .related-card .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card .card-body .card-tag {
            display: inline-block;
            background: rgba(232,168,56,0.12);
            color: var(--secondary-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 12px;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .related-card .card-body h5 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-card .card-body p {
            color: var(--text-light);
            font-size: 0.9rem;
            flex: 1;
            margin-bottom: 12px;
        }
        .related-card .card-body .card-link {
            font-weight: 500;
            color: var(--secondary-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .related-card .card-body .card-link:hover { color: var(--secondary); gap: 10px; }
        .related-card .card-body .card-link i { font-size: 0.8rem; }

        /* ===== CTA ===== */
        .cta-section {
            padding: 70px 0;
            background: var(--darker);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
            isolation: isolate;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8,8,15,0.92) 0%, rgba(26,26,46,0.85) 100%);
            z-index: 0;
        }
        .cta-section .container { position: relative; z-index: 1; text-align: center; }
        .cta-section h2 {
            color: var(--text-white);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: rgba(245,243,238,0.7);
            max-width: 600px;
            margin: 0 auto 30px;
            font-size: 1.05rem;
        }
        .cta-section .btn-cta {
            display: inline-block;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: var(--darker);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 14px 44px;
            border-radius: var(--radius-sm);
            box-shadow: 0 0 30px rgba(232,168,56,0.25);
            transition: var(--transition);
            border: none;
        }
        .cta-section .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 45px rgba(232,168,56,0.40);
            background: linear-gradient(135deg, var(--accent), var(--secondary));
            color: var(--darker);
        }
        .cta-section .btn-cta i { margin-right: 8px; }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 60px 0;
            background: var(--light);
        }
        .faq-section .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .faq-section .section-title h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--primary);
        }
        .faq-section .section-title p {
            color: var(--text-light);
            max-width: 600px;
            margin: 8px auto 0;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px 28px;
            margin-bottom: 14px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--secondary); box-shadow: var(--shadow-glow); }
        .faq-item .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            gap: 12px;
        }
        .faq-item .faq-question i { color: var(--secondary); transition: var(--transition); font-size: 0.85rem; }
        .faq-item .faq-answer {
            margin-top: 12px;
            color: var(--text-light);
            line-height: 1.7;
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
            display: none;
        }
        .faq-item.active .faq-answer { display: block; }
        .faq-item.active .faq-question i { transform: rotate(180deg); }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--darker);
            color: var(--text-white);
            padding: 50px 0 30px;
            border-top: 2px solid rgba(232,168,56,0.10);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }
        .site-footer .footer-brand .navbar-brand { font-size: 1.3rem; margin-bottom: 12px; display: inline-flex; }
        .site-footer .footer-brand p { color: rgba(245,243,238,0.55); font-size: 0.9rem; line-height: 1.7; margin-top: 10px; }
        .site-footer .footer-col h5 {
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-col a {
            display: block;
            color: rgba(245,243,238,0.55);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .site-footer .footer-col a:hover { color: var(--secondary); padding-left: 4px; }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(245,243,238,0.08);
            padding-top: 22px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(245,243,238,0.4);
        }
        .site-footer .footer-bottom a { color: rgba(245,243,238,0.5); }
        .site-footer .footer-bottom a:hover { color: var(--secondary); }
        .site-footer .footer-social { display: flex; gap: 14px; }
        .site-footer .footer-social a {
            color: rgba(245,243,238,0.35);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .site-footer .footer-social a:hover { color: var(--secondary); transform: translateY(-2px); }

        /* ===== 通用按钮 ===== */
        .btn-outline-secondary {
            border: 2px solid var(--secondary);
            color: var(--secondary-dark);
            background: transparent;
            padding: 10px 28px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            transition: var(--transition);
        }
        .btn-outline-secondary:hover {
            background: var(--secondary);
            color: var(--darker);
            border-color: var(--secondary);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .article-hero h1 { font-size: 2rem; }
            .article-body .content-wrap { padding: 36px 28px; }
            .site-footer .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .navbar-toggler { display: block; }
            .navbar-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 16px 0 8px;
                gap: 4px;
            }
            .navbar-nav.open { display: flex; }
            .navbar-nav .nav-item { width: 100%; padding: 10px 16px; }
            .navbar-nav .nav-item.active::after { display: none; }
            .navbar-nav .nav-cta { text-align: center; }
            .article-hero { padding: 60px 0 40px; min-height: 280px; }
            .article-hero h1 { font-size: 1.6rem; }
            .article-body .content-wrap { padding: 24px 16px; font-size: 0.98rem; }
            .related-section .section-title h2 { font-size: 1.5rem; }
            .cta-section h2 { font-size: 1.5rem; }
            .cta-section .btn-cta { padding: 12px 32px; font-size: 0.95rem; }
            .faq-section .section-title h2 { font-size: 1.5rem; }
            .faq-item { padding: 16px 18px; }
            .site-footer .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .site-footer .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 520px) {
            .article-hero h1 { font-size: 1.3rem; }
            .article-hero .article-meta { font-size: 0.8rem; gap: 12px; }
            .article-body .content-wrap { padding: 16px 12px; }
            .related-card .card-img { height: 140px; }
            .navbar-brand { font-size: 1.2rem; }
            .navbar-brand .brand-icon { width: 34px; height: 34px; font-size: 1rem; }
            .site-header .top-bar .top-actions a { font-size: 0.7rem; margin-left: 10px; }
            .cta-section { padding: 50px 0; }
        }