/* roulang page: index */
:root {
            --primary: #C41230;
            --primary-dark: #9E0E26;
            --primary-light: #E8304A;
            --accent: #C9A84C;
            --accent-light: #DDBF6E;
            --bg-dark: #0B0B14;
            --bg-dark2: #12121E;
            --bg-card: #181828;
            --bg-section: #F5F3F0;
            --text-light: #EDEDF0;
            --text-muted: #9A9AAC;
            --text-dark: #1A1A24;
            --text-body: #3D3D4A;
            --border-subtle: rgba(255,255,255,0.08);
            --border-card: rgba(255,255,255,0.12);
            --border-light: #E0DED8;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-pill: 50px;
            --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 18px 48px rgba(0,0,0,0.15);
            --shadow-glow: 0 0 36px rgba(196,18,48,0.25);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
        }

        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: var(--font-body);
            background: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a { text-decoration: none; transition: var(--transition-fast); }
        img { max-width: 100%; height: auto; display: block; }
        button, .btn { cursor: pointer; transition: var(--transition-smooth); }
        h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; }
        ul, ol { list-style: none; padding: 0; margin: 0; }
        .section-padding { padding: 80px 0; }
        @media (max-width: 768px) { .section-padding { padding: 50px 0; } }

        /* ---- Navigation ---- */
        .main-nav-wrap {
            position: fixed;
            top: 18px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1050;
            width: auto;
            max-width: 92vw;
        }
        .nav-capsule {
            background: rgba(18,18,30,0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-pill);
            padding: 8px 10px 8px 22px;
            display: flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 8px 32px rgba(0,0,0,0.35);
            white-space: nowrap;
        }
        .nav-brand {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.18rem;
            color: #fff;
            letter-spacing: 0.5px;
            margin-right: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .nav-brand .brand-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: #fff;
            flex-shrink: 0;
        }
        .nav-capsule .nav-link-item {
            color: #c0c0cc;
            font-weight: 600;
            font-size: 0.92rem;
            padding: 9px 18px;
            border-radius: var(--radius-pill);
            transition: var(--transition-smooth);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .nav-capsule .nav-link-item:hover,
        .nav-capsule .nav-link-item:focus-visible {
            color: #fff;
            background: rgba(255,255,255,0.08);
            outline: none;
        }
        .nav-capsule .nav-link-item.active {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }
        .nav-cta-btn {
            background: var(--accent);
            color: #1A1A14;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            border: none;
            letter-spacing: 0.4px;
            margin-left: 6px;
            white-space: nowrap;
            transition: var(--transition-smooth);
        }
        .nav-cta-btn:hover {
            background: var(--accent-light);
            color: #1A1A14;
            box-shadow: 0 6px 22px rgba(201,168,76,0.35);
            transform: translateY(-1px);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            padding: 6px 12px;
            border-radius: 50%;
        }
        @media (max-width: 860px) {
            .main-nav-wrap { top: 10px; max-width: 96vw; }
            .nav-capsule { padding: 6px 8px 6px 16px; border-radius: var(--radius-lg); flex-wrap: wrap; gap: 2px; }
            .nav-brand { font-size: 1rem; margin-right: 4px; }
            .nav-brand .brand-icon { width: 28px; height: 28px; font-size: 0.7rem; }
            .nav-capsule .nav-link-item { font-size: 0.82rem; padding: 7px 12px; }
            .nav-cta-btn { font-size: 0.8rem; padding: 8px 16px; margin-left: 2px; }
        }
        @media (max-width: 520px) {
            .nav-capsule { padding: 6px 10px; border-radius: var(--radius-md); justify-content: space-between; }
            .nav-brand { font-size: 0.9rem; }
            .nav-capsule .nav-link-item { padding: 6px 10px; font-size: 0.78rem; }
            .nav-cta-btn { padding: 7px 13px; font-size: 0.76rem; }
        }

        /* ---- Hero ---- */
        .hero-section {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(160deg, rgba(11,11,20,0.82) 0%, rgba(18,18,30,0.75) 50%, rgba(11,11,20,0.88) 100%),
                        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            padding: 140px 20px 90px;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: radial-gradient(ellipse at 30% 25%, rgba(196,18,48,0.18) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 60%, rgba(201,168,76,0.10) 0%, transparent 55%);
            pointer-events: none;
        }
        .hero-content { position: relative; z-index: 2; max-width: 780px; }
        .hero-badge {
            display: inline-block;
            background: rgba(196,18,48,0.2);
            border: 1px solid rgba(196,18,48,0.4);
            color: #ff8a9e;
            font-weight: 700;
            font-size: 0.88rem;
            padding: 7px 20px;
            border-radius: var(--radius-pill);
            margin-bottom: 24px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.22;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .hero-title .highlight {
            color: var(--primary-light);
            position: relative;
        }
        .hero-subtitle {
            font-size: 1.15rem;
            color: #c8c8d8;
            max-width: 560px;
            margin: 0 auto 36px;
            line-height: 1.7;
            font-weight: 400;
        }
        .hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
        .btn-hero-primary {
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 14px 34px;
            border-radius: var(--radius-pill);
            border: none;
            letter-spacing: 0.5px;
            box-shadow: 0 8px 28px rgba(196,18,48,0.35);
            transition: var(--transition-smooth);
        }
        .btn-hero-primary:hover {
            background: var(--primary-light);
            box-shadow: 0 12px 36px rgba(196,18,48,0.5);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-hero-outline {
            background: transparent;
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 13px 32px;
            border-radius: var(--radius-pill);
            border: 2px solid rgba(255,255,255,0.35);
            letter-spacing: 0.5px;
            transition: var(--transition-smooth);
        }
        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.06);
            color: #fff;
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .hero-section { min-height: 78vh; padding: 120px 16px 60px; background-attachment: scroll; }
            .hero-title { font-size: 2.1rem; }
            .hero-subtitle { font-size: 1rem; }
            .btn-hero-primary, .btn-hero-outline { font-size: 0.95rem; padding: 12px 26px; }
        }
        @media (max-width: 480px) {
            .hero-title { font-size: 1.65rem; }
            .hero-subtitle { font-size: 0.9rem; }
            .hero-badge { font-size: 0.76rem; padding: 5px 14px; }
        }

        /* ---- Stats HUD Panel ---- */
        .stats-hud-section {
            background: var(--bg-dark2);
            padding: 50px 0;
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .stats-hud-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-hud-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 28px 18px;
            transition: var(--transition-smooth);
        }
        .stat-hud-item:hover {
            border-color: rgba(196,18,48,0.4);
            box-shadow: 0 0 30px rgba(196,18,48,0.12);
            transform: translateY(-3px);
        }
        .stat-hud-value {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--primary-light);
            letter-spacing: 0.5px;
            line-height: 1;
        }
        .stat-hud-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 8px;
            font-weight: 500;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        @media (max-width: 768px) {
            .stats-hud-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
            .stat-hud-value { font-size: 2rem; }
            .stat-hud-item { padding: 20px 12px; }
        }
        @media (max-width: 480px) {
            .stats-hud-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
            .stat-hud-value { font-size: 1.6rem; }
        }

        /* ---- Section Titles ---- */
        .section-header { text-align: center; margin-bottom: 50px; }
        .section-label {
            display: inline-block;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 1.5px;
            color: var(--primary-light);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .section-desc {
            color: var(--text-muted);
            max-width: 560px;
            margin: 12px auto 0;
            font-size: 1rem;
        }
        .section-light .section-title { color: var(--text-dark); }
        .section-light .section-desc { color: #6a6a78; }
        @media (max-width: 768px) {
            .section-title { font-size: 1.6rem; }
            .section-header { margin-bottom: 32px; }
        }

        /* ---- Services Cards ---- */
        .services-section {
            background: var(--bg-dark);
        }
        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 32px 24px 24px;
            height: 100%;
            transition: var(--transition-smooth);
            text-align: center;
        }
        .service-card:hover {
            border-color: rgba(196,18,48,0.45);
            box-shadow: 0 14px 40px rgba(0,0,0,0.4);
            transform: translateY(-5px);
        }
        .service-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-bottom: 20px;
        }
        .service-card h3 {
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 8px;
            font-weight: 700;
        }
        .service-card p {
            color: var(--text-muted);
            font-size: 0.93rem;
            margin-bottom: 18px;
            line-height: 1.6;
        }
        .service-card .card-link {
            color: var(--primary-light);
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.4px;
        }
        .service-card .card-link:hover { color: #ff6b80; }
        .service-card .card-link i { margin-left: 6px; font-size: 0.75rem; }

        /* ---- Compare Panel ---- */
        .compare-section {
            background: var(--bg-dark2);
        }
        .compare-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-xl);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
        }
        .compare-col {
            padding: 40px 32px;
        }
        .compare-col.featured {
            background: linear-gradient(180deg, rgba(196,18,48,0.12) 0%, rgba(196,18,48,0.02) 100%);
            border-left: 1px solid var(--border-card);
        }
        .compare-col h3 {
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 16px;
            font-weight: 700;
        }
        .compare-col ul li {
            padding: 9px 0;
            color: #c8c8d8;
            font-size: 0.95rem;
            border-bottom: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .compare-col ul li i.fa-check { color: #2ecc71; }
        .compare-col ul li i.fa-star { color: var(--accent); }
        @media (max-width: 768px) {
            .compare-panel { grid-template-columns: 1fr; }
            .compare-col.featured { border-left: none; border-top: 1px solid var(--border-card); }
            .compare-col { padding: 28px 20px; }
        }

        /* ---- News List ---- */
        .news-section {
            background: var(--bg-section);
        }
        .news-section.section-light .section-title { color: var(--text-dark); }
        .news-list-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px 22px;
            border: 1px solid var(--border-light);
            transition: var(--transition-smooth);
            margin-bottom: 14px;
        }
        .news-list-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #d0ccc6;
        }
        .news-list-img {
            width: 130px;
            height: 90px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .news-list-body { flex: 1; min-width: 0; }
        .news-list-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
            line-height: 1.4;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .news-list-body h4 a { color: var(--text-dark); }
        .news-list-body h4 a:hover { color: var(--primary); }
        .news-list-meta {
            font-size: 0.82rem;
            color: #8a8a96;
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 5px;
        }
        .news-list-meta .news-cat {
            background: rgba(196,18,48,0.08);
            color: var(--primary);
            font-weight: 600;
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            font-size: 0.76rem;
        }
        .news-list-desc {
            font-size: 0.88rem;
            color: #6a6a78;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .news-empty {
            text-align: center;
            color: #8a8a96;
            padding: 40px;
            font-size: 1rem;
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px dashed #d8d6d0;
        }
        @media (max-width: 600px) {
            .news-list-item { flex-direction: column; }
            .news-list-img { width: 100%; height: 160px; }
        }

        /* ---- FAQ ---- */
        .faq-section {
            background: var(--bg-dark);
        }
        .faq-accordion .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            background: var(--bg-card);
            color: #e0e0ea;
            font-weight: 700;
            font-size: 1rem;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(196,18,48,0.08);
            color: #fff;
            box-shadow: none;
        }
        .faq-accordion .accordion-button::after {
            filter: invert(0.7);
        }
        .faq-accordion .accordion-body {
            background: var(--bg-card);
            color: var(--text-muted);
            padding: 8px 22px 20px;
            font-size: 0.95rem;
            line-height: 1.7;
            border-top: 1px solid var(--border-subtle);
        }

        /* ---- CTA ---- */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark2) 0%, #1a0a0f 100%);
            text-align: center;
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px; right: -80px;
            width: 300px; height: 300px;
            background: radial-gradient(circle, rgba(196,18,48,0.2) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 2rem;
            color: #fff;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-section p {
            color: #c8c8d8;
            max-width: 500px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
        }
        .btn-cta-main {
            background: var(--accent);
            color: #1A1A14;
            font-weight: 800;
            font-size: 1.1rem;
            padding: 15px 40px;
            border-radius: var(--radius-pill);
            border: none;
            letter-spacing: 0.6px;
            box-shadow: 0 10px 30px rgba(201,168,76,0.3);
            transition: var(--transition-smooth);
        }
        .btn-cta-main:hover {
            background: var(--accent-light);
            box-shadow: 0 14px 38px rgba(201,168,76,0.45);
            transform: translateY(-3px);
            color: #1A1A14;
        }
        @media (max-width: 768px) {
            .cta-section h2 { font-size: 1.5rem; }
            .cta-section p { font-size: 0.95rem; }
            .btn-cta-main { font-size: 1rem; padding: 13px 30px; }
        }

        /* ---- Footer ---- */
        .site-footer {
            background: #080812;
            border-top: 1px solid var(--border-subtle);
            padding: 40px 0 24px;
            text-align: center;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }
        .footer-links {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 14px;
        }
        .footer-links a {
            color: #8a8a9c;
            font-size: 0.9rem;
            transition: var(--transition-fast);
        }
        .footer-links a:hover { color: #fff; }
        .footer-copy {
            color: #5a5a6e;
            font-size: 0.82rem;
        }

        /* ---- Misc ---- */
        .container-custom { max-width: 1140px; margin: 0 auto; padding: 0 18px; }
        @media (min-width: 1400px) { .container-custom { max-width: 1240px; } }
        .text-accent { color: var(--accent); }
        .bg-dark-section { background: var(--bg-dark); }
        .bg-dark2-section { background: var(--bg-dark2); }

        /* focus visible */
        a:focus-visible, button:focus-visible, .btn:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 3px;
            border-radius: 4px;
        }

/* roulang page: category1 */
:root {
            --bg-deep: #060a10;
            --bg-primary: #0b1019;
            --bg-secondary: #111827;
            --bg-card: #141c2b;
            --bg-card-hover: #1a2335;
            --bg-capsule: rgba(14, 20, 33, 0.82);
            --text-primary: #e8ecf1;
            --text-secondary: #b0b8c5;
            --text-muted: #6e7685;
            --accent: #f0883a;
            --accent-glow: #f0a050;
            --accent-deep: #d46820;
            --accent-rgb: 240, 136, 58;
            --danger: #e8454a;
            --success: #2ecc71;
            --blue-accent: #4da8da;
            --purple-accent: #8b5cf6;
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-card: rgba(255, 255, 255, 0.08);
            --border-active: rgba(240, 136, 58, 0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-capsule: 50px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.55);
            --shadow-glow: 0 0 40px rgba(240, 136, 58, 0.18);
            --shadow-glow-lg: 0 0 70px rgba(240, 136, 58, 0.22);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-heading: 'PingFang SC', 'Noto Sans SC', 'Helvetica Neue', 'Microsoft YaHei', sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-heading);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
            position: relative;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(ellipse at 30% 15%, rgba(240, 136, 58, 0.04) 0%, transparent 55%),
                radial-gradient(ellipse at 70% 80%, rgba(77, 168, 218, 0.04) 0%, transparent 55%),
                radial-gradient(ellipse at 50% 50%, rgba(139, 92, 246, 0.03) 0%, transparent 60%);
            pointer-events: none;
            z-index: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
            position: relative;
            z-index: 1;
        }

        @media (min-width: 1400px) {
            .container-custom {
                max-width: 1280px;
            }
        }

        /* 导航 - 悬浮胶囊 */
        .main-nav-wrap {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1050;
            width: auto;
            max-width: calc(100vw - 32px);
        }

        .nav-capsule {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            background: var(--bg-capsule);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-capsule);
            box-shadow: var(--shadow-lg);
            white-space: nowrap;
            transition: all var(--transition-smooth);
        }

        .nav-capsule:hover {
            border-color: var(--border-active);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
            padding: 6px 14px 6px 10px;
            border-radius: var(--radius-capsule);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-brand:hover {
            color: var(--accent-glow);
        }

        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-deep));
            color: #fff;
            font-size: 0.9rem;
            flex-shrink: 0;
            box-shadow: 0 0 16px rgba(240, 136, 58, 0.35);
        }

        .nav-link-item {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-capsule);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            flex-shrink: 0;
            position: relative;
        }

        .nav-link-item:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
            transform: translateY(-1px);
        }

        .nav-link-item.active {
            color: #fff;
            background: var(--accent);
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(240, 136, 58, 0.35);
        }

        .nav-link-item.active:hover {
            background: var(--accent-glow);
            transform: translateY(-1px);
            box-shadow: 0 6px 22px rgba(240, 136, 58, 0.45);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            border-radius: var(--radius-capsule);
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: var(--danger);
            flex-shrink: 0;
            transition: all var(--transition-bounce);
            box-shadow: 0 4px 14px rgba(232, 69, 74, 0.35);
            animation: pulse-cta 2.6s ease-in-out infinite;
        }

        .nav-cta-btn:hover {
            background: #f04a50;
            transform: scale(1.05);
            box-shadow: 0 8px 24px rgba(232, 69, 74, 0.5);
            color: #fff;
        }

        @keyframes pulse-cta {
            0%,
            100% {
                box-shadow: 0 4px 14px rgba(232, 69, 74, 0.35);
            }
            50% {
                box-shadow: 0 6px 26px rgba(232, 69, 74, 0.6);
            }
        }

        /* 移动端导航 */
        @media (max-width: 768px) {
            .main-nav-wrap {
                top: 8px;
                max-width: calc(100vw - 16px);
            }
            .nav-capsule {
                gap: 3px;
                padding: 8px 10px;
                border-radius: var(--radius-lg);
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }
            .nav-capsule::-webkit-scrollbar {
                display: none;
            }
            .nav-brand {
                font-size: 0.95rem;
                padding: 5px 8px 5px 6px;
                gap: 4px;
            }
            .brand-icon {
                width: 28px;
                height: 28px;
                font-size: 0.75rem;
            }
            .nav-link-item {
                padding: 6px 11px;
                font-size: 0.8rem;
            }
            .nav-cta-btn {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 480px) {
            .nav-brand span:last-child {
                display: none;
            }
            .nav-brand {
                padding: 5px 6px;
            }
            .nav-link-item {
                padding: 5px 9px;
                font-size: 0.75rem;
            }
            .nav-cta-btn {
                padding: 6px 10px;
                font-size: 0.72rem;
            }
        }

        /* Hero */
        .hero-category {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            overflow: hidden;
            background: var(--bg-primary);
            padding-top: 100px;
            padding-bottom: 60px;
        }

        .hero-category .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.28;
            z-index: 0;
            filter: brightness(0.55) saturate(1.3);
        }

        .hero-category .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 10, 16, 0.55) 0%, rgba(11, 16, 25, 0.9) 70%, var(--bg-deep) 100%);
            z-index: 1;
        }

        .hero-category .hero-content {
            position: relative;
            z-index: 2;
            max-width: 750px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .hero-category .hero-badge {
            display: inline-block;
            padding: 7px 18px;
            border-radius: var(--radius-capsule);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: #fff;
            background: rgba(240, 136, 58, 0.2);
            border: 1px solid rgba(240, 136, 58, 0.35);
            margin-bottom: 18px;
            text-transform: uppercase;
        }

        .hero-category h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
            line-height: 1.2;
        }

        .hero-category h1 .accent-text {
            color: var(--accent-glow);
            text-shadow: 0 0 48px rgba(240, 160, 80, 0.5);
        }

        .hero-category .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
            line-height: 1.6;
            max-width: 580px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-category .hero-stats-row {
            display: flex;
            gap: 30px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 10px;
        }

        .hero-category .hero-stat {
            text-align: center;
            min-width: 90px;
        }

        .hero-category .hero-stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-glow);
            line-height: 1;
            text-shadow: 0 0 24px rgba(240, 160, 80, 0.4);
        }

        .hero-category .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
            letter-spacing: 0.04em;
        }

        .btn-hero-cta {
            display: inline-block;
            padding: 14px 38px;
            border-radius: var(--radius-capsule);
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent), var(--accent-deep));
            border: none;
            cursor: pointer;
            transition: all var(--transition-bounce);
            box-shadow: 0 8px 26px rgba(240, 136, 58, 0.4);
            letter-spacing: 0.03em;
            margin-top: 8px;
        }

        .btn-hero-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(240, 136, 58, 0.55);
            color: #fff;
        }

        @media (max-width: 768px) {
            .hero-category {
                min-height: 500px;
                padding-top: 110px;
                padding-bottom: 40px;
            }
            .hero-category h1 {
                font-size: 2rem;
            }
            .hero-category .hero-subtitle {
                font-size: 1rem;
            }
            .hero-category .hero-stat-value {
                font-size: 1.6rem;
            }
            .hero-category .hero-stats-row {
                gap: 16px;
            }
            .btn-hero-cta {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 480px) {
            .hero-category h1 {
                font-size: 1.6rem;
            }
            .hero-category .hero-badge {
                font-size: 0.72rem;
                padding: 5px 12px;
            }
        }

        /* 板块通用 */
        .section-block {
            padding: 60px 0;
            position: relative;
            z-index: 1;
        }

        .section-block.section-dark {
            background: var(--bg-primary);
        }

        .section-block.section-deeper {
            background: var(--bg-deep);
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.07em;
            color: var(--accent-glow);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 32px;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
        }

        /* 卡片 */
        .card-esport {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-smooth);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .card-esport:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-active);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
        }

        .card-esport .card-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .card-esport .card-icon-wrap.icon-orange {
            background: rgba(240, 136, 58, 0.15);
            color: var(--accent-glow);
        }
        .card-esport .card-icon-wrap.icon-blue {
            background: rgba(77, 168, 218, 0.15);
            color: var(--blue-accent);
        }
        .card-esport .card-icon-wrap.icon-purple {
            background: rgba(139, 92, 246, 0.15);
            color: var(--purple-accent);
        }
        .card-esport .card-icon-wrap.icon-green {
            background: rgba(46, 204, 113, 0.15);
            color: var(--success);
        }

        .card-esport h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .card-esport p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        .card-esport .card-img-top-wrap {
            margin: -28px -24px 20px -24px;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            overflow: hidden;
            height: 180px;
        }

        .card-esport .card-img-top-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .card-esport:hover .card-img-top-wrap img {
            transform: scale(1.06);
        }

        /* 数据面板 HUD */
        .hud-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            position: relative;
            overflow: hidden;
        }

        .hud-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--accent);
            border-radius: 4px 0 0 4px;
        }

        .hud-panel .hud-value {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent-glow);
            line-height: 1;
            text-shadow: 0 0 30px rgba(240, 160, 80, 0.35);
        }

        .hud-panel .hud-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            letter-spacing: 0.05em;
            margin-top: 4px;
        }

        /* 流程步骤 */
        .step-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .step-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-card);
            transition: all var(--transition-fast);
        }

        .step-item:hover {
            border-color: var(--border-active);
            background: var(--bg-card-hover);
        }

        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-deep));
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 0 20px rgba(240, 136, 58, 0.3);
        }

        .step-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .step-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }

        /* FAQ */
        .faq-wrap .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
        }

        .faq-wrap .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1rem;
            padding: 16px 20px;
            border: none;
            box-shadow: none;
            transition: all var(--transition-fast);
        }

        .faq-wrap .accordion-button:not(.collapsed) {
            background: rgba(240, 136, 58, 0.08);
            color: var(--accent-glow);
            box-shadow: none;
        }

        .faq-wrap .accordion-button::after {
            filter: brightness(0.7);
        }

        .faq-wrap .accordion-button:focus {
            box-shadow: 0 0 0 2px rgba(240, 136, 58, 0.35);
        }

        .faq-wrap .accordion-body {
            color: var(--text-secondary);
            font-size: 0.93rem;
            line-height: 1.7;
            padding: 8px 20px 18px 20px;
            background: transparent;
        }

        /* CTA */
        .cta-section {
            padding: 70px 0;
            background: var(--bg-primary);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -30%;
            width: 80%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(240, 136, 58, 0.08) 0%, transparent 65%);
            pointer-events: none;
            z-index: 0;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 40px;
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-lg);
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-inner p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-lg {
            display: inline-block;
            padding: 15px 42px;
            border-radius: var(--radius-capsule);
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            background: var(--danger);
            border: none;
            cursor: pointer;
            transition: all var(--transition-bounce);
            box-shadow: 0 8px 28px rgba(232, 69, 74, 0.4);
            letter-spacing: 0.03em;
        }

        .btn-cta-lg:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 38px rgba(232, 69, 74, 0.55);
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-subtle);
            padding: 40px 0;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .footer-links {
            display: flex;
            gap: 22px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--accent-glow);
        }

        .footer-copy {
            font-size: 0.82rem;
            color: var(--text-muted);
            opacity: 0.7;
        }

        @media (max-width: 768px) {
            .site-footer {
                padding: 30px 0;
            }
            .footer-links {
                gap: 14px;
            }
        }

        /* 实用类 */
        .text-accent {
            color: var(--accent-glow) !important;
        }
        .mt-section {
            margin-top: 60px;
        }
        @media (max-width: 768px) {
            .mt-section {
                margin-top: 40px;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #252542;
            --color-accent: #c9a84c;
            --color-accent-bright: #e0b845;
            --color-energetic: #e8590c;
            --color-energetic-hover: #c94a0a;
            --color-bg: #f5f3ef;
            --color-surface: #ffffff;
            --color-surface-dark: #1e1e35;
            --color-text: #1a1a2e;
            --color-text-soft: #5a5a72;
            --color-text-light: #8a8a9a;
            --color-border: #e0dcd5;
            --color-border-light: #eeece6;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 导航 - 悬浮胶囊 ========== */
        .main-nav-wrap {
            position: sticky;
            top: 16px;
            z-index: 1050;
            padding: 0 16px;
            pointer-events: none;
        }

        .nav-capsule {
            pointer-events: auto;
            display: flex;
            align-items: center;
            gap: 8px;
            max-width: 720px;
            margin: 0 auto;
            background: rgba(26, 26, 46, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 50px;
            padding: 8px 10px 8px 18px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
            transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
        }

        .nav-capsule:hover {
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
            transform: translateY(-1px);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.05rem;
            color: #ffffff;
            white-space: nowrap;
            margin-right: 8px;
            transition: color var(--transition-fast);
        }

        .nav-brand:hover {
            color: var(--color-accent-bright);
        }

        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--color-energetic);
            border-radius: 50%;
            font-size: 0.9rem;
            color: #fff;
            flex-shrink: 0;
        }

        .nav-link-item {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.92rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.78);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .nav-link-item:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-link-item.active {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.16);
            font-weight: 600;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            padding: 9px 22px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #ffffff;
            background: var(--color-energetic);
            white-space: nowrap;
            margin-left: 4px;
            transition: all var(--transition-smooth);
            box-shadow: 0 2px 10px rgba(232, 89, 12, 0.35);
        }

        .nav-cta-btn:hover {
            background: var(--color-energetic-hover);
            color: #ffffff;
            box-shadow: 0 4px 18px rgba(232, 89, 12, 0.5);
            transform: translateY(-1px);
        }

        /* ========== 文章主布局 ========== */
        .article-main {
            flex: 1;
            padding-top: 28px;
            padding-bottom: 60px;
        }

        .article-container {
            max-width: 820px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-row {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.88rem;
            color: var(--color-text-soft);
            margin-bottom: 20px;
            padding: 0;
        }

        .breadcrumb-row a {
            color: var(--color-text-soft);
            transition: color var(--transition-fast);
        }

        .breadcrumb-row a:hover {
            color: var(--color-energetic);
        }

        .breadcrumb-sep {
            color: var(--color-text-light);
            font-size: 0.7rem;
        }

        .breadcrumb-current {
            color: var(--color-text);
            font-weight: 500;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 300px;
        }

        /* ========== 文章头部 ========== */
        .article-header {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 36px 40px 28px;
            margin-bottom: 28px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }

        .article-category-badge {
            display: inline-block;
            padding: 5px 14px;
            background: rgba(232, 89, 12, 0.08);
            color: var(--color-energetic);
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .article-h1 {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .article-meta-row {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--color-text-soft);
        }

        .article-meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta-item i {
            font-size: 0.85rem;
            color: var(--color-text-light);
        }

        /* ========== 文章头图 ========== */
        .article-featured-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 28px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }

        .article-featured-image img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            aspect-ratio: 16 / 9;
        }

        /* ========== 文章正文 ========== */
        .article-body-wrap {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            margin-bottom: 32px;
        }

        .content-article {
            font-size: 1.06rem;
            line-height: 1.85;
            color: var(--color-text);
            word-break: break-word;
        }

        .content-article h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-top: 2rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--color-border);
        }

        .content-article h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-top: 1.6rem;
            margin-bottom: 0.75rem;
        }

        .content-article h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-primary-light);
            margin-top: 1.3rem;
            margin-bottom: 0.6rem;
        }

        .content-article p {
            margin-bottom: 1.1rem;
        }

        .content-article ul,
        .content-article ol {
            margin-bottom: 1.1rem;
            padding-left: 1.6rem;
        }

        .content-article li {
            margin-bottom: 0.4rem;
        }

        .content-article blockquote {
            border-left: 4px solid var(--color-accent);
            background: #fdfaf3;
            padding: 16px 22px;
            margin: 1.4rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-soft);
            font-style: italic;
            font-size: 1rem;
        }

        .content-article img {
            border-radius: var(--radius-md);
            margin: 1.4rem 0;
            max-width: 100%;
            height: auto;
            box-shadow: var(--shadow-sm);
        }

        .content-article table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.4rem 0;
            font-size: 0.95rem;
        }

        .content-article table th,
        .content-article table td {
            border: 1px solid var(--color-border);
            padding: 10px 14px;
            text-align: left;
        }

        .content-article table th {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }

        .content-article table tr:nth-child(even) td {
            background: #fafaf8;
        }

        .content-article strong {
            font-weight: 600;
            color: var(--color-primary);
        }

        .content-article a {
            color: var(--color-energetic);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .content-article a:hover {
            color: var(--color-energetic-hover);
        }

        .content-article code {
            background: #f4f4f8;
            padding: 2px 7px;
            border-radius: 4px;
            font-size: 0.9em;
            font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
        }

        .content-article pre {
            background: #1a1a2e;
            color: #e0dcd0;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 1.4rem 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .content-article pre code {
            background: none;
            padding: 0;
            color: inherit;
        }

        /* ========== 内容未找到 ========== */
        .not-found-block {
            text-align: center;
            padding: 60px 30px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }

        .not-found-icon {
            font-size: 3.5rem;
            color: var(--color-text-light);
            margin-bottom: 16px;
        }

        .not-found-block h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .not-found-block p {
            color: var(--color-text-soft);
            margin-bottom: 20px;
        }

        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 26px;
            background: var(--color-energetic);
            color: #fff;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(232, 89, 12, 0.3);
        }

        .btn-back-home:hover {
            background: var(--color-energetic-hover);
            color: #fff;
            box-shadow: 0 6px 22px rgba(232, 89, 12, 0.45);
            transform: translateY(-2px);
        }

        /* ========== 相关推荐 ========== */
        .related-section {
            margin-bottom: 32px;
        }

        .related-section-title {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .related-section-title::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 24px;
            background: var(--color-energetic);
            border-radius: 2px;
        }

        .related-card {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }

        .related-card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .related-card:hover .related-card-img img {
            transform: scale(1.04);
        }

        .related-card-body {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-card-tag {
            font-size: 0.78rem;
            color: var(--color-energetic);
            font-weight: 600;
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .related-card-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card-meta {
            font-size: 0.82rem;
            color: var(--color-text-light);
            margin-top: auto;
        }

        /* ========== FAQ ========== */
        .faq-section {
            margin-bottom: 32px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }

        .faq-section-title {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 22px;
            text-align: center;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 16px 0;
        }

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-question {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
            user-select: none;
        }

        .faq-question:hover {
            color: var(--color-energetic);
        }

        .faq-question i {
            font-size: 0.8rem;
            color: var(--color-text-light);
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
        }

        .faq-answer {
            margin-top: 10px;
            color: var(--color-text-soft);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-energetic);
        }

        /* ========== CTA 区块 ========== */
        .cta-block {
            background: var(--color-surface-dark);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            margin-bottom: 32px;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(201, 168, 76, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-block::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(232, 89, 12, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-block>* {
            position: relative;
            z-index: 1;
        }

        .cta-block h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }

        .cta-block p {
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
            font-size: 1rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-btn-lg {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            background: var(--color-accent);
            color: var(--color-primary);
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 20px rgba(201, 168, 76, 0.35);
        }

        .cta-btn-lg:hover {
            background: var(--color-accent-bright);
            color: var(--color-primary);
            box-shadow: 0 10px 30px rgba(201, 168, 76, 0.5);
            transform: translateY(-2px);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 36px 0;
            text-align: center;
            margin-top: auto;
        }

        .footer-brand {
            font-size: 1.15rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
        }

        .footer-links {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 14px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--color-accent-bright);
        }

        .footer-copy {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .article-container {
                max-width: 100%;
                padding: 0 20px;
            }
            .article-h1 {
                font-size: 1.7rem;
            }
            .article-header {
                padding: 28px 24px 22px;
            }
            .article-body-wrap {
                padding: 28px 24px;
            }
            .content-article {
                font-size: 1rem;
            }
            .faq-section {
                padding: 28px 24px;
            }
            .cta-block {
                padding: 36px 28px;
            }
            .cta-block h3 {
                font-size: 1.4rem;
            }
            .nav-capsule {
                max-width: 100%;
                gap: 4px;
                padding: 7px 8px 7px 14px;
            }
            .nav-link-item {
                padding: 7px 13px;
                font-size: 0.84rem;
            }
            .nav-cta-btn {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
            .nav-brand {
                font-size: 0.95rem;
                gap: 5px;
            }
            .brand-icon {
                width: 28px;
                height: 28px;
                font-size: 0.75rem;
            }
        }

        @media (max-width: 768px) {
            .main-nav-wrap {
                top: 8px;
                padding: 0 8px;
            }
            .nav-capsule {
                border-radius: 40px;
                padding: 6px 7px 6px 12px;
                gap: 2px;
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }
            .nav-capsule::-webkit-scrollbar {
                display: none;
            }
            .nav-brand {
                font-size: 0.88rem;
                gap: 4px;
                flex-shrink: 0;
            }
            .brand-icon {
                width: 26px;
                height: 26px;
                font-size: 0.7rem;
            }
            .nav-link-item {
                padding: 6px 11px;
                font-size: 0.78rem;
                flex-shrink: 0;
            }
            .nav-cta-btn {
                padding: 7px 14px;
                font-size: 0.78rem;
                flex-shrink: 0;
                margin-left: 2px;
            }
            .article-h1 {
                font-size: 1.45rem;
            }
            .article-header {
                padding: 22px 18px 18px;
                border-radius: var(--radius-md);
            }
            .article-body-wrap {
                padding: 22px 18px;
                border-radius: var(--radius-md);
            }
            .content-article {
                font-size: 0.96rem;
                line-height: 1.75;
            }
            .content-article h2 {
                font-size: 1.25rem;
            }
            .content-article h3 {
                font-size: 1.1rem;
            }
            .article-featured-image {
                border-radius: var(--radius-md);
            }
            .faq-section {
                padding: 22px 18px;
                border-radius: var(--radius-md);
            }
            .faq-section-title {
                font-size: 1.2rem;
            }
            .cta-block {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }
            .cta-block h3 {
                font-size: 1.25rem;
            }
            .cta-block p {
                font-size: 0.9rem;
            }
            .cta-btn-lg {
                padding: 12px 26px;
                font-size: 0.9rem;
            }
            .article-meta-row {
                gap: 10px;
                font-size: 0.82rem;
            }
            .breadcrumb-row {
                font-size: 0.8rem;
                gap: 5px;
            }
            .breadcrumb-current {
                max-width: 180px;
            }
            .related-section-title {
                font-size: 1.15rem;
            }
            .footer-links {
                gap: 14px;
            }
            .footer-links a {
                font-size: 0.82rem;
            }
        }

        @media (max-width: 520px) {
            .main-nav-wrap {
                top: 4px;
                padding: 0 4px;
            }
            .nav-capsule {
                border-radius: 32px;
                padding: 5px 5px 5px 10px;
                gap: 1px;
            }
            .nav-brand {
                font-size: 0.8rem;
                gap: 3px;
            }
            .brand-icon {
                width: 22px;
                height: 22px;
                font-size: 0.6rem;
            }
            .nav-link-item {
                padding: 5px 9px;
                font-size: 0.72rem;
            }
            .nav-cta-btn {
                padding: 6px 11px;
                font-size: 0.72rem;
            }
            .article-h1 {
                font-size: 1.25rem;
            }
            .article-header {
                padding: 16px 14px 14px;
                border-radius: var(--radius-sm);
            }
            .article-body-wrap {
                padding: 16px 14px;
                border-radius: var(--radius-sm);
            }
            .content-article {
                font-size: 0.9rem;
                line-height: 1.7;
            }
            .article-meta-row {
                gap: 6px;
                font-size: 0.76rem;
                flex-direction: column;
                align-items: flex-start;
            }
            .faq-section {
                padding: 16px 14px;
                border-radius: var(--radius-sm);
            }
            .faq-question {
                font-size: 0.9rem;
            }
            .faq-answer {
                font-size: 0.85rem;
            }
            .cta-block {
                padding: 22px 16px;
                border-radius: var(--radius-sm);
            }
            .cta-block h3 {
                font-size: 1.1rem;
            }
            .cta-btn-lg {
                padding: 10px 22px;
                font-size: 0.85rem;
            }
            .article-container {
                padding: 0 10px;
            }
            .not-found-block {
                padding: 40px 16px;
            }
            .not-found-icon {
                font-size: 2.5rem;
            }
            .breadcrumb-current {
                max-width: 120px;
            }
        }

        @media (max-width: 380px) {
            .nav-capsule {
                border-radius: 28px;
                padding: 4px 4px 4px 8px;
            }
            .nav-brand {
                font-size: 0.74rem;
            }
            .brand-icon {
                width: 20px;
                height: 20px;
                font-size: 0.55rem;
            }
            .nav-link-item {
                padding: 4px 7px;
                font-size: 0.68rem;
            }
            .nav-cta-btn {
                padding: 5px 9px;
                font-size: 0.68rem;
            }
        }
