/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1e1b4b;
            --primary-light: #312e81;
            --primary-dark: #0f0c3a;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --accent-dark: #d97706;
            --bg-white: #ffffff;
            --bg-light: #f8fafc;
            --bg-dark: #0f172a;
            --text-dark: #0f172a;
            --text-body: #334155;
            --text-light: #64748b;
            --text-white: #f1f5f9;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.5rem;
            --radius-full: 9999px;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.18);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--accent); }
        button, input, textarea { font-family: inherit; }
        button { cursor: pointer; border: none; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; color: var(--text-dark); font-weight: 700; }

        /* ===== 容器 ===== */
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

        /* ===== 导航 (悬浮胶囊) ===== */
        .site-header {
            position: fixed;
            top: 1.25rem;
            left: 0;
            right: 0;
            z-index: 1000;
            pointer-events: none;
        }
        .site-header .container { pointer-events: auto; }
        .capsule-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255,255,255,0.85);
            backdrop-filter: blur(18px) saturate(180%);
            -webkit-backdrop-filter: blur(18px) saturate(180%);
            border-radius: var(--radius-full);
            padding: 0.625rem 1.25rem 0.625rem 1.75rem;
            box-shadow: 0 4px 24px rgba(0,0,0,0.08), 0 0 0 1px rgba(255,255,255,0.5);
            transition: box-shadow var(--transition);
            max-width: 100%;
            margin: 0 auto;
        }
        .capsule-nav:hover { box-shadow: 0 6px 32px rgba(0,0,0,0.12), 0 0 0 1px rgba(255,255,255,0.6); }
        .nav-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            white-space: nowrap;
        }
        .nav-logo i { color: var(--accent); font-size: 1.15rem; }
        .nav-links { display: flex; align-items: center; gap: 0.25rem; }
        .nav-links a {
            padding: 0.5rem 1.1rem;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-body);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover { color: var(--primary); background: rgba(30,27,75,0.06); }
        .nav-links a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 2px 8px rgba(30,27,75,0.25);
        }
        .nav-links a.active:hover { color: #fff; background: var(--primary-light); }
        .mobile-menu-btn {
            display: none;
            width: 2.5rem;
            height: 2.5rem;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-full);
            color: var(--text-dark);
            font-size: 1.3rem;
            transition: background var(--transition);
        }
        .mobile-menu-btn:hover { background: rgba(0,0,0,0.05); }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(15,12,58,0.82) 0%, rgba(30,27,75,0.7) 50%, rgba(49,46,129,0.6) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 7rem 1.5rem 4rem;
            text-align: center;
            isolation: isolate;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 6rem;
            background: linear-gradient(to top, var(--bg-light), transparent);
            z-index: 1;
            pointer-events: none;
        }
        .hero-content { position: relative; z-index: 2; max-width: 820px; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255,255,255,0.15);
            padding: 0.4rem 1.2rem;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            color: rgba(255,255,255,0.9);
            margin-bottom: 1.5rem;
        }
        .hero-badge i { color: var(--accent-light); }
        .hero h1 {
            font-size: clamp(2.5rem, 6.5vw, 4.2rem);
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.03em;
            line-height: 1.1;
            margin-bottom: 1rem;
            text-shadow: 0 2px 20px rgba(0,0,0,0.2);
        }
        .hero h1 span { color: var(--accent); }
        .hero p {
            font-size: clamp(1rem, 2vw, 1.25rem);
            color: rgba(255,255,255,0.8);
            max-width: 640px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }
        .hero-buttons { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 2rem;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(245,158,11,0.35);
        }
        .btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 6px 24px rgba(245,158,11,0.45); color: var(--primary-dark); }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.3);
        }
        .btn-outline-light:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.6); transform: translateY(-2px); color: #fff; }

        /* ===== 通用板块 ===== */
        .section { padding: 5rem 0; }
        .section-alt { background: var(--bg-white); }
        .section-dark { background: var(--primary); color: rgba(255,255,255,0.85); }
        .section-dark h2, .section-dark h3 { color: #fff; }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.3rem 1rem;
            border-radius: var(--radius-full);
            background: rgba(245,158,11,0.12);
            color: var(--accent-dark);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: 0.75rem;
        }
        .section-dark .section-label { background: rgba(255,255,255,0.1); color: var(--accent-light); }
        .section-title {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
        }
        .section-dark .section-title { color: #fff; }
        .section-sub {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 600px;
            margin-bottom: 2.5rem;
        }
        .section-dark .section-sub { color: rgba(255,255,255,0.65); }
        .text-center { text-align: center; }
        .mx-auto { margin-left: auto; margin-right: auto; }

        /* ===== 卡片 ===== */
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            overflow: hidden;
        }
        .card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
        .card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
        .card-body { padding: 1.5rem; }
        .card-title { font-size: 1.15rem; font-weight: 700; color: var(--text-dark); margin-bottom: 0.5rem; }
        .card-text { font-size: 0.92rem; color: var(--text-light); line-height: 1.6; }
        .card-tag {
            display: inline-block;
            padding: 0.2rem 0.7rem;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(245,158,11,0.1);
            color: var(--accent-dark);
            margin-bottom: 0.75rem;
        }
        .card-link { color: var(--primary); font-weight: 600; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 0.3rem; margin-top: 0.75rem; }
        .card-link:hover { color: var(--accent); gap: 0.6rem; }

        /* ===== 网格 ===== */
        .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

        /* ===== 统计数字 ===== */
        .stat-card {
            text-align: center;
            padding: 2rem 1.5rem;
            background: rgba(255,255,255,0.06);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255,255,255,0.08);
            transition: all var(--transition);
        }
        .stat-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-3px); }
        .stat-number { font-size: 2.5rem; font-weight: 800; color: var(--accent); line-height: 1.2; }
        .stat-label { font-size: 0.9rem; color: rgba(255,255,255,0.7); margin-top: 0.3rem; }

        /* ===== 流程步骤 ===== */
        .step-card { display: flex; gap: 1.25rem; align-items: flex-start; padding: 1.5rem; border-radius: var(--radius-md); transition: all var(--transition); }
        .step-card:hover { background: rgba(255,255,255,0.05); }
        .step-num {
            flex-shrink: 0;
            width: 3rem;
            height: 3rem;
            border-radius: var(--radius-full);
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .step-content h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.3rem; color: #fff; }
        .step-content p { font-size: 0.9rem; color: rgba(255,255,255,0.65); line-height: 1.6; }

        /* ===== 文章列表 ===== */
        .post-item {
            display: flex;
            gap: 1.25rem;
            padding: 1.25rem 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }
        .post-item:last-child { border-bottom: none; }
        .post-item:hover { padding-left: 0.5rem; }
        .post-thumb {
            flex-shrink: 0;
            width: 100px;
            height: 70px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            background: var(--border);
        }
        .post-info { flex: 1; min-width: 0; }
        .post-info h4 { font-size: 1rem; font-weight: 600; color: var(--text-dark); margin-bottom: 0.25rem; }
        .post-info h4 a { color: var(--text-dark); }
        .post-info h4 a:hover { color: var(--accent); }
        .post-meta { font-size: 0.8rem; color: var(--text-light); display: flex; flex-wrap: wrap; gap: 0.75rem; }
        .post-meta span { display: inline-flex; align-items: center; gap: 0.25rem; }
        .post-meta i { font-size: 0.7rem; }

        /* ===== FAQ ===== */
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 1.25rem 0;
        }
        .faq-item:last-child { border-bottom: none; }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            gap: 1rem;
            user-select: none;
        }
        .faq-question i { color: var(--accent); font-size: 0.9rem; transition: transform var(--transition); flex-shrink: 0; }
        .faq-question.open i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            color: var(--text-light);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-answer.open { max-height: 300px; padding-top: 0.75rem; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 3.5rem 3rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }
        .cta-section h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); color: #fff; margin-bottom: 0.75rem; position: relative; }
        .cta-section p { color: rgba(255,255,255,0.7); max-width: 520px; margin: 0 auto 1.5rem; font-size: 1rem; position: relative; }
        .cta-section .btn { position: relative; }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 3.5rem 0 0;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2.5rem; padding-bottom: 2.5rem; border-bottom: 1px solid rgba(255,255,255,0.08); }
        .footer-brand h3 { font-size: 1.3rem; font-weight: 800; color: #fff; margin-bottom: 0.5rem; }
        .footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.5); max-width: 280px; line-height: 1.7; }
        .footer-col h4 { font-size: 0.95rem; font-weight: 700; color: #fff; margin-bottom: 1rem; }
        .footer-col a { display: block; font-size: 0.88rem; color: rgba(255,255,255,0.55); padding: 0.25rem 0; transition: all var(--transition); }
        .footer-col a:hover { color: var(--accent); padding-left: 0.3rem; }
        .footer-bottom { padding: 1.5rem 0; text-align: center; font-size: 0.82rem; color: rgba(255,255,255,0.35); }
        .footer-bottom a { color: rgba(255,255,255,0.4); }
        .footer-bottom a:hover { color: var(--accent); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .site-header { top: 0.75rem; }
            .capsule-nav { padding: 0.5rem 1rem 0.5rem 1.25rem; }
            .nav-links { display: none; flex-direction: column; position: absolute; top: calc(100% + 0.5rem); left: 0; right: 0; background: rgba(255,255,255,0.95); backdrop-filter: blur(18px); border-radius: var(--radius-lg); padding: 0.75rem; box-shadow: var(--shadow-lg); border: 1px solid var(--border); }
            .nav-links.open { display: flex; }
            .nav-links a { padding: 0.6rem 1rem; border-radius: var(--radius-md); width: 100%; }
            .mobile-menu-btn { display: flex; }
            .hero { min-height: 80vh; padding: 6rem 1.25rem 3rem; }
            .section { padding: 3.5rem 0; }
            .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 1.25rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
            .cta-section { padding: 2.5rem 1.5rem; border-radius: var(--radius-lg); }
            .post-item { flex-direction: column; }
            .post-thumb { width: 100%; height: 140px; }
            .stat-number { font-size: 2rem; }
        }
        @media (max-width: 520px) {
            .capsule-nav { border-radius: 1.25rem; }
            .hero h1 { font-size: 2rem; }
            .hero-buttons .btn { width: 100%; justify-content: center; }
            .section-title { font-size: 1.5rem; }
            .nav-logo { font-size: 1.1rem; }
        }

        /* ===== 辅助 ===== */
        .gap-1 { gap: 0.25rem; }
        .gap-2 { gap: 0.5rem; }
        .gap-3 { gap: 0.75rem; }
        .gap-4 { gap: 1rem; }
        .gap-6 { gap: 1.5rem; }
        .gap-8 { gap: 2rem; }
        .mt-2 { margin-top: 0.5rem; }
        .mt-4 { margin-top: 1rem; }
        .mt-6 { margin-top: 1.5rem; }
        .mt-8 { margin-top: 2rem; }
        .mb-2 { margin-bottom: 0.5rem; }
        .mb-4 { margin-bottom: 1rem; }
        .mb-6 { margin-bottom: 1.5rem; }
        .mb-8 { margin-bottom: 2rem; }
        .flex { display: flex; }
        .flex-wrap { flex-wrap: wrap; }
        .items-center { align-items: center; }
        .justify-center { justify-content: center; }
        .justify-between { justify-content: space-between; }
        .w-full { width: 100%; }
        .text-accent { color: var(--accent); }
        .bg-accent { background: var(--accent); }

        /* 空列表占位 */
        .empty-state { padding: 2rem; text-align: center; color: var(--text-light); font-size: 0.95rem; background: var(--bg-light); border-radius: var(--radius-md); border: 1px dashed var(--border); }

/* roulang page: category1 */
:root {
            --primary: #6C3CE1;
            --primary-dark: #5228B5;
            --primary-light: #8B6CE6;
            --accent: #FF6B35;
            --accent-light: #FF8F5E;
            --bg-dark: #0F0B1A;
            --bg-card: #1A1430;
            --bg-section: #120E20;
            --text-light: #F5F0FF;
            --text-muted: #B8AED8;
            --text-dim: #7A6FA0;
            --border-color: rgba(108, 60, 225, 0.25);
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 8px 32px rgba(108, 60, 225, 0.18);
            --shadow-hover: 0 16px 48px rgba(108, 60, 225, 0.30);
            --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 16px 0;
            background: transparent;
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(15, 11, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 10px 0;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }

        .capsule-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 60px;
            padding: 8px 20px 8px 24px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
            transition: var(--transition);
        }

        .capsule-nav:hover {
            border-color: rgba(108, 60, 225, 0.30);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            background: linear-gradient(135deg, #F5F0FF 0%, #C8B8FF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-logo i {
            color: var(--accent);
            -webkit-text-fill-color: var(--accent);
            font-size: 1.2rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links a {
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            letter-spacing: 0.3px;
        }

        .nav-links a:hover {
            color: #fff;
            background: rgba(108, 60, 225, 0.20);
        }

        .nav-links a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            box-shadow: 0 4px 16px rgba(108, 60, 225, 0.35);
        }

        .nav-links a.active:hover {
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
            transform: translateY(-1px);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 6px 12px;
            border-radius: 30px;
            transition: var(--transition);
        }

        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* ===== 分类 Banner ===== */
        .category-banner {
            position: relative;
            padding: 140px 0 80px 0;
            background: linear-gradient(165deg, #0F0B1A 0%, #1A1430 40%, #120E20 100%);
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: center;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }

        .category-banner::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(108, 60, 225, 0.20) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-banner .container {
            position: relative;
            z-index: 2;
        }

        .category-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(108, 60, 225, 0.20);
            border: 1px solid rgba(108, 60, 225, 0.30);
            border-radius: 40px;
            padding: 6px 18px;
            font-size: 0.8rem;
            color: var(--primary-light);
            font-weight: 500;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .category-banner h1 {
            font-size: clamp(2.2rem, 5.5vw, 3.6rem);
            font-weight: 800;
            line-height: 1.2;
            background: linear-gradient(135deg, #FFFFFF 0%, #C8B8FF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
            max-width: 720px;
        }

        .category-banner p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .banner-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 28px 40px;
        }

        .banner-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .banner-stat-item .num {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent) 0%, #FFB347 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .banner-stat-item .label {
            font-size: 0.85rem;
            color: var(--text-dim);
            font-weight: 400;
        }

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

        .section-title {
            font-size: clamp(1.6rem, 3.2vw, 2.4rem);
            font-weight: 700;
            text-align: center;
            margin-bottom: 12px;
            background: linear-gradient(135deg, #FFFFFF 0%, #D0C0F0 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-subtitle {
            text-align: center;
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 640px;
            margin: 0 auto 48px auto;
            line-height: 1.7;
        }

        .section-subtitle.left {
            text-align: left;
            margin: 0 0 40px 0;
        }

        /* ===== 步骤卡片 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
        }

        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 32px 28px;
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .step-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }

        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(108, 60, 225, 0.40);
        }

        .step-card:hover::before {
            opacity: 1;
        }

        .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px auto;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 4px 20px rgba(108, 60, 225, 0.35);
        }

        .step-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .step-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== 图文内容 ===== */
        .content-dual {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .content-dual.reverse {
            direction: rtl;
        }
        .content-dual.reverse>* {
            direction: ltr;
        }

        .content-text h2 {
            font-size: clamp(1.4rem, 2.8vw, 2rem);
            font-weight: 700;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #FFFFFF 0%, #D0C0F0 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .content-text p {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .content-text ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .content-text ul li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .content-text ul li i {
            color: var(--accent);
            margin-top: 4px;
            flex-shrink: 0;
        }

        .content-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
        }

        .content-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: var(--transition);
        }

        .content-image:hover img {
            transform: scale(1.02);
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .card-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
        }

        .card-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(108, 60, 225, 0.35);
        }

        .card-item .card-img {
            height: 200px;
            overflow: hidden;
        }

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

        .card-item:hover .card-img img {
            transform: scale(1.05);
        }

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

        .card-item .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .card-item .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--primary-light);
            background: rgba(108, 60, 225, 0.15);
            padding: 4px 14px;
            border-radius: 30px;
            letter-spacing: 0.3px;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-dim);
            margin-top: 12px;
        }

        .card-meta i {
            margin-right: 4px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            transition: var(--transition);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: rgba(108, 60, 225, 0.35);
        }

        .faq-item .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1rem;
            color: #fff;
            gap: 16px;
        }

        .faq-item .faq-q i {
            color: var(--primary-light);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.active .faq-q i {
            transform: rotate(180deg);
        }

        .faq-item .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        .faq-item.active .faq-a {
            max-height: 300px;
            padding-top: 14px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(108, 60, 225, 0.12) 0%, rgba(255, 107, 53, 0.08) 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(108, 60, 225, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 28px auto;
            position: relative;
            z-index: 1;
        }

        .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            position: relative;
            z-index: 1;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent) 0%, #E85A2C 100%);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 36px;
            border-radius: 40px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 6px 24px rgba(255, 107, 53, 0.30);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(255, 107, 53, 0.40);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-light);
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 36px;
            border-radius: 40px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-3px);
            border-color: rgba(255, 255, 255, 0.25);
        }

        /* ===== 标签云 ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .tag-item {
            padding: 8px 20px;
            border-radius: 40px;
            background: rgba(108, 60, 225, 0.10);
            border: 1px solid rgba(108, 60, 225, 0.18);
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
            transition: var(--transition);
            cursor: default;
        }

        .tag-item:hover {
            background: rgba(108, 60, 225, 0.20);
            border-color: rgba(108, 60, 225, 0.35);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 实时状态条 ===== */
        .live-status-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px 28px;
            background: rgba(108, 60, 225, 0.08);
            border: 1px solid rgba(108, 60, 225, 0.18);
            border-radius: var(--radius-sm);
            padding: 16px 28px;
            margin-bottom: 40px;
        }

        .live-status-bar .status-dot {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #4ADE80;
        }

        .live-status-bar .status-dot i {
            font-size: 0.7rem;
            animation: pulse-dot 1.8s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.8);
            }
        }

        .live-status-bar .status-item {
            font-size: 0.88rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .live-status-bar .status-item i {
            color: var(--primary-light);
        }

        .live-status-bar .status-item strong {
            color: #fff;
            font-weight: 600;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0A0812;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 60px 0 30px 0;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-dim);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-dim);
            padding: 5px 0;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 24px;
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-dim);
        }

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

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

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .content-dual {
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
            .section-pad {
                padding: 56px 0;
            }
            .capsule-nav {
                padding: 6px 14px 6px 18px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 12px);
                left: 0;
                right: 0;
                background: rgba(15, 11, 26, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border: 1px solid rgba(255, 255, 255, 0.08);
                border-radius: 20px;
                padding: 16px;
                flex-direction: column;
                gap: 4px;
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 12px 20px;
                font-size: 1rem;
            }
            .mobile-menu-btn {
                display: block;
            }
            .category-banner {
                padding: 110px 0 56px 0;
                min-height: auto;
            }
            .category-banner h1 {
                font-size: 1.8rem;
            }
            .banner-stats {
                gap: 16px 24px;
            }
            .banner-stat-item .num {
                font-size: 1.4rem;
            }
            .content-dual {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .content-dual.reverse {
                direction: ltr;
            }
            .content-image img {
                height: 220px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 36px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .live-status-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 14px 20px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .faq-item {
                padding: 16px 18px;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .section-pad {
                padding: 40px 0;
            }
            .category-banner h1 {
                font-size: 1.5rem;
            }
            .category-banner p {
                font-size: 0.95rem;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .capsule-nav {
                padding: 4px 10px 4px 14px;
            }
            .footer-grid {
                gap: 20px;
            }
        }

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

        /* ===== 选中 ===== */
        ::selection {
            background: rgba(108, 60, 225, 0.40);
            color: #fff;
        }

/* roulang page: article */
:root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --secondary: #0f3460;
            --accent: #e8b830;
            --accent-light: #f0d060;
            --accent-dark: #c9a020;
            --bg-dark: #0d0d1a;
            --bg-card: #1a1a2e;
            --bg-card-hover: #232345;
            --text-light: #f5f5f5;
            --text-muted: #a0a0b8;
            --border-color: #2a2a4a;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *{margin:0;padding:0;box-sizing:border-box;}
        html{scroll-behavior:smooth;}
        body{font-family:'Inter','PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;background:var(--bg-dark);color:var(--text-light);line-height:1.7;min-height:100vh;}
        a{color:var(--accent);text-decoration:none;transition:var(--transition);}
        a:hover{color:var(--accent-light);}
        img{max-width:100%;height:auto;display:block;}
        .container{max-width:1200px;margin:0 auto;padding:0 20px;}
        .container-narrow{max-width:860px;margin:0 auto;padding:0 20px;}

        /* === 导航胶囊 === */
        .site-header{position:fixed;top:0;left:0;right:0;z-index:1000;padding:16px 0;background:transparent;transition:var(--transition);}
        .site-header.scrolled{background:rgba(13,13,26,0.92);backdrop-filter:blur(20px);padding:10px 0;box-shadow:0 4px 30px rgba(0,0,0,0.5);}
        .capsule-nav{display:flex;align-items:center;justify-content:space-between;background:rgba(26,26,46,0.85);backdrop-filter:blur(16px);border:1px solid rgba(232,184,48,0.15);border-radius:60px;padding:8px 24px 8px 16px;box-shadow:0 8px 32px rgba(0,0,0,0.4);}
        .nav-logo{display:flex;align-items:center;gap:10px;font-size:1.4rem;font-weight:800;color:var(--text-light);letter-spacing:-0.5px;padding:6px 12px;border-radius:40px;transition:var(--transition);}
        .nav-logo i{color:var(--accent);font-size:1.3rem;}
        .nav-logo:hover{background:rgba(232,184,48,0.1);color:var(--accent-light);}
        .nav-links{display:flex;align-items:center;gap:4px;}
        .nav-links a{padding:8px 20px;border-radius:40px;font-size:0.95rem;font-weight:500;color:var(--text-muted);transition:var(--transition);position:relative;}
        .nav-links a:hover{color:var(--text-light);background:rgba(232,184,48,0.08);}
        .nav-links a.active{color:var(--primary);background:var(--accent);font-weight:600;box-shadow:0 4px 16px rgba(232,184,48,0.35);}
        .nav-links a.active:hover{color:var(--primary);background:var(--accent-light);}
        .mobile-menu-btn{display:none;background:transparent;border:none;color:var(--text-light);font-size:1.6rem;cursor:pointer;padding:6px 12px;border-radius:40px;transition:var(--transition);}
        .mobile-menu-btn:hover{background:rgba(232,184,48,0.1);color:var(--accent);}

        /* === 文章 Banner === */
        .article-banner{position:relative;padding:140px 0 60px;background:var(--bg-dark);overflow:hidden;}
        .article-banner-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center center / cover no-repeat;opacity:0.25;transform:scale(1.05);}
        .article-banner-overlay{position:absolute;inset:0;background:linear-gradient(180deg, rgba(13,13,26,0.7) 0%, rgba(13,13,26,0.85) 50%, var(--bg-dark) 100%);}
        .article-banner .container-narrow{position:relative;z-index:2;}
        .article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;margin-bottom:20px;}
        .article-category{display:inline-block;background:var(--accent);color:var(--primary);font-size:0.8rem;font-weight:700;padding:4px 16px;border-radius:40px;letter-spacing:0.5px;text-transform:uppercase;}
        .article-date{color:var(--text-muted);font-size:0.9rem;display:flex;align-items:center;gap:6px;}
        .article-date i{color:var(--accent);}
        .article-banner h1{font-size:2.6rem;font-weight:800;line-height:1.25;color:var(--text-light);margin-bottom:16px;letter-spacing:-0.5px;}
        .article-excerpt{font-size:1.1rem;color:var(--text-muted);line-height:1.7;max-width:700px;}

        /* === 文章正文 === */
        .article-main{padding:60px 0 40px;}
        .article-body{font-size:1.05rem;line-height:1.9;color:rgba(245,245,245,0.92);}
        .article-body p{margin-bottom:1.4rem;}
        .article-body h2{font-size:1.6rem;font-weight:700;margin:2.2rem 0 1rem;color:var(--text-light);}
        .article-body h3{font-size:1.25rem;font-weight:600;margin:1.8rem 0 0.8rem;color:var(--accent-light);}
        .article-body ul,.article-body ol{padding-left:1.5rem;margin-bottom:1.4rem;}
        .article-body li{margin-bottom:0.5rem;}
        .article-body a{color:var(--accent);border-bottom:1px solid rgba(232,184,48,0.3);}
        .article-body a:hover{border-bottom-color:var(--accent);color:var(--accent-light);}
        .article-body blockquote{border-left:4px solid var(--accent);background:rgba(232,184,48,0.06);padding:16px 24px;margin:1.6rem 0;border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text-muted);}
        .article-body img{border-radius:var(--radius-md);margin:1.8rem 0;box-shadow:var(--shadow-md);width:100%;}
        .article-body .article-featured-img{margin:0 0 2rem 0;border-radius:var(--radius-lg);overflow:hidden;}
        .article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:2.4rem;padding-top:1.6rem;border-top:1px solid var(--border-color);}
        .article-tags .tag{display:inline-block;background:rgba(232,184,48,0.1);color:var(--accent);font-size:0.85rem;padding:4px 16px;border-radius:40px;border:1px solid rgba(232,184,48,0.15);transition:var(--transition);}
        .article-tags .tag:hover{background:rgba(232,184,48,0.2);border-color:var(--accent);}

        /* === 相关阅读 === */
        .related-section{padding:60px 0;background:rgba(26,26,46,0.3);}
        .section-title{text-align:center;font-size:2rem;font-weight:700;margin-bottom:40px;position:relative;}
        .section-title span{background:linear-gradient(135deg, var(--accent), var(--accent-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
        .section-title::after{content:'';display:block;width:60px;height:3px;background:var(--accent);margin:12px auto 0;border-radius:4px;}
        .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
        .related-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden;transition:var(--transition);}
        .related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(232,184,48,0.3);}
        .related-card img{width:100%;height:180px;object-fit:cover;}
        .related-card-body{padding:20px;}
        .related-card-body h4{font-size:1.05rem;font-weight:600;color:var(--text-light);margin-bottom:8px;line-height:1.4;}
        .related-card-body p{font-size:0.9rem;color:var(--text-muted);line-height:1.6;}
        .related-card-body .related-meta{display:flex;align-items:center;gap:12px;margin-top:12px;font-size:0.8rem;color:var(--text-muted);}

        /* === FAQ === */
        .faq-section{padding:60px 0;background:var(--bg-dark);}
        .faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
        .faq-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden;transition:var(--transition);}
        .faq-item:hover{border-color:rgba(232,184,48,0.2);}
        .faq-question{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;cursor:pointer;font-size:1rem;font-weight:500;color:var(--text-light);transition:var(--transition);gap:16px;}
        .faq-question i{color:var(--accent);transition:var(--transition);font-size:0.9rem;flex-shrink:0;}
        .faq-item.active .faq-question i{transform:rotate(180deg);}
        .faq-answer{padding:0 24px 18px;color:var(--text-muted);font-size:0.95rem;line-height:1.7;display:none;}
        .faq-item.active .faq-answer{display:block;}

        /* === CTA === */
        .cta-section{padding:80px 0;background:linear-gradient(135deg, var(--primary), var(--secondary));position:relative;overflow:hidden;}
        .cta-section::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center center / cover no-repeat;opacity:0.08;}
        .cta-content{position:relative;z-index:2;text-align:center;max-width:650px;margin:0 auto;}
        .cta-content h2{font-size:2.2rem;font-weight:800;color:var(--text-light);margin-bottom:16px;}
        .cta-content p{font-size:1.1rem;color:rgba(245,245,245,0.8);margin-bottom:32px;line-height:1.7;}
        .cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
        .btn-primary{display:inline-flex;align-items:center;gap:10px;background:var(--accent);color:var(--primary);font-weight:700;font-size:1.05rem;padding:14px 36px;border-radius:60px;transition:var(--transition);border:none;cursor:pointer;box-shadow:0 8px 24px rgba(232,184,48,0.3);}
        .btn-primary:hover{background:var(--accent-light);color:var(--primary);transform:translateY(-2px);box-shadow:0 12px 40px rgba(232,184,48,0.45);}
        .btn-secondary{display:inline-flex;align-items:center;gap:10px;background:transparent;color:var(--text-light);font-weight:600;font-size:1.05rem;padding:14px 36px;border-radius:60px;border:2px solid rgba(232,184,48,0.4);transition:var(--transition);cursor:pointer;}
        .btn-secondary:hover{background:rgba(232,184,48,0.1);border-color:var(--accent);color:var(--accent-light);transform:translateY(-2px);}

        /* === 页脚 === */
        .site-footer{background:var(--primary);padding:60px 0 30px;border-top:1px solid var(--border-color);}
        .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px;}
        .footer-brand h3{font-size:1.4rem;font-weight:700;color:var(--text-light);margin-bottom:12px;display:flex;align-items:center;gap:8px;}
        .footer-brand p{color:var(--text-muted);font-size:0.95rem;line-height:1.7;max-width:320px;}
        .footer-col h4{font-size:1rem;font-weight:600;color:var(--text-light);margin-bottom:16px;position:relative;padding-bottom:8px;}
        .footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:var(--accent);border-radius:2px;}
        .footer-col a{display:block;color:var(--text-muted);font-size:0.9rem;padding:5px 0;transition:var(--transition);}
        .footer-col a:hover{color:var(--accent-light);padding-left:4px;}
        .footer-bottom{border-top:1px solid var(--border-color);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;}
        .footer-bottom p{color:var(--text-muted);font-size:0.85rem;}
        .footer-bottom a{color:var(--accent);}
        .footer-bottom a:hover{color:var(--accent-light);}

        /* === 错误状态 === */
        .not-found-wrap{text-align:center;padding:60px 20px;}
        .not-found-wrap i{font-size:3.6rem;color:var(--accent);margin-bottom:20px;display:block;}
        .not-found-wrap h2{font-size:1.8rem;color:var(--text-light);margin-bottom:12px;}
        .not-found-wrap p{color:var(--text-muted);margin-bottom:24px;}
        .not-found-wrap .back-home{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--primary);font-weight:600;padding:12px 28px;border-radius:60px;transition:var(--transition);}
        .not-found-wrap .back-home:hover{background:var(--accent-light);transform:translateY(-2px);}

        /* === 响应式 === */
        @media(max-width:1024px){
            .related-grid{grid-template-columns:repeat(2,1fr);}
            .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
            .article-banner h1{font-size:2.2rem;}
        }
        @media(max-width:768px){
            .nav-links{display:none;position:absolute;top:calc(100% + 12px);left:0;right:0;background:rgba(26,26,46,0.96);backdrop-filter:blur(20px);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:12px;flex-direction:column;gap:4px;box-shadow:var(--shadow-lg);}
            .nav-links.open{display:flex;}
            .nav-links a{width:100%;text-align:center;padding:12px 16px;}
            .mobile-menu-btn{display:block;}
            .capsule-nav{padding:6px 16px 6px 12px;}
            .article-banner{padding:120px 0 40px;}
            .article-banner h1{font-size:1.8rem;}
            .article-excerpt{font-size:1rem;}
            .related-grid{grid-template-columns:1fr;}
            .footer-grid{grid-template-columns:1fr;gap:24px;}
            .cta-content h2{font-size:1.7rem;}
            .cta-buttons{flex-direction:column;align-items:center;}
            .btn-primary,.btn-secondary{width:100%;justify-content:center;}
            .footer-bottom{flex-direction:column;text-align:center;}
            .section-title{font-size:1.6rem;}
            .article-main{padding:40px 0 20px;}
            .faq-question{padding:14px 18px;font-size:0.95rem;}
            .faq-answer{padding:0 18px 14px;}
        }
        @media(max-width:520px){
            .container{padding:0 14px;}
            .container-narrow{padding:0 14px;}
            .article-banner h1{font-size:1.5rem;}
            .article-meta{font-size:0.8rem;gap:8px 14px;}
            .article-body{font-size:0.98rem;}
            .article-body h2{font-size:1.3rem;}
            .nav-logo{font-size:1.15rem;}
            .nav-logo i{font-size:1.1rem;}
            .related-card-body{padding:14px;}
            .cta-section{padding:50px 0;}
            .cta-content h2{font-size:1.4rem;}
        }