/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --clr-bg: #1a0f0a;
            --clr-bg-alt: #2c1810;
            --clr-bg-card: #2f1a12;
            --clr-bg-nav: #1f120c;
            --clr-bg-input: #3d241b;
            --clr-text: #f5e6d3;
            --clr-text-muted: #c4b5a5;
            --clr-text-dim: #9a8a7a;
            --clr-accent: #c9a96e;
            --clr-accent-hover: #dbb982;
            --clr-accent-dim: #8a7a5a;
            --clr-border: #4a3528;
            --clr-border-light: #6a5548;
            --clr-glow: rgba(201, 169, 110, 0.15);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-card: 0 4px 24px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 40px rgba(201,169,110,0.08);
            --font-serif: 'Georgia', 'Times New Roman', serif;
            --font-sans: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --transition: 0.25s ease;
        }

        /* ===== Reset / Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-serif);
            background-color: var(--clr-bg);
            color: var(--clr-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a { color: var(--clr-accent); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--clr-accent-hover); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; }
        ul { list-style: none; }

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

        /* ===== Typography ===== */
        .heading-serif { font-family: var(--font-serif); font-weight: 700; letter-spacing: 0.02em; }
        .text-accent { color: var(--clr-accent); }
        .text-muted { color: var(--clr-text-muted); }
        .text-dim { color: var(--clr-text-dim); }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 0.5rem;
            color: var(--clr-text);
        }
        .section-subtitle {
            font-size: 1.05rem;
            text-align: center;
            color: var(--clr-text-muted);
            margin-bottom: 3rem;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-divider {
            width: 60px;
            height: 3px;
            background: var(--clr-accent);
            margin: 1rem auto 2.5rem;
            border-radius: 2px;
        }

        /* ===== Header / Nav (双层) ===== */
        .site-header {
            background: var(--clr-bg-nav);
            border-bottom: 1px solid var(--clr-border);
            position: sticky;
            top: 0;
            z-index: 1040;
            box-shadow: 0 2px 20px rgba(0,0,0,0.5);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--clr-border);
        }
        .logo {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--clr-accent);
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i { font-size: 1.3rem; color: var(--clr-accent-dim); }
        .logo:hover { color: var(--clr-accent-hover); }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: var(--clr-bg-input);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-sm);
            padding: 4px 12px;
            transition: border var(--transition);
        }
        .header-search:focus-within { border-color: var(--clr-accent-dim); }
        .header-search input {
            background: none;
            border: none;
            outline: none;
            color: var(--clr-text);
            padding: 6px 8px;
            font-size: 0.9rem;
            min-width: 160px;
            font-family: var(--font-sans);
        }
        .header-search input::placeholder { color: var(--clr-text-dim); }
        .header-search button {
            background: none;
            border: none;
            color: var(--clr-text-dim);
            cursor: pointer;
            padding: 4px 6px;
            transition: color var(--transition);
        }
        .header-search button:hover { color: var(--clr-accent); }
        .header-cta {
            background: var(--clr-accent);
            color: #1a0f0a;
            border: none;
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.85rem;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition);
            font-family: var(--font-sans);
            letter-spacing: 0.04em;
        }
        .header-cta:hover { background: var(--clr-accent-hover); color: #1a0f0a; transform: translateY(-1px); }

        /* 第二层：频道 Tabs */
        .nav-tabs-wrapper {
            display: flex;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none;
            padding: 6px 0;
            gap: 4px;
        }
        .nav-tabs-wrapper::-webkit-scrollbar { display: none; }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            font-size: 0.9rem;
            font-family: var(--font-sans);
            color: var(--clr-text-muted);
            border: 1px solid transparent;
            border-radius: 100px;
            background: transparent;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        .nav-tab i { font-size: 0.85rem; }
        .nav-tab:hover { color: var(--clr-text); background: rgba(201,169,110,0.08); border-color: var(--clr-border); }
        .nav-tab.active, .nav-tab.active:hover {
            color: #1a0f0a;
            background: var(--clr-accent);
            border-color: var(--clr-accent);
            font-weight: 600;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, #0d0806 0%, #1a0f0a 40%, #2c1810 70%, #1a0f0a 100%);
            overflow: hidden;
            padding: 80px 0;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25;
            mix-blend-mode: overlay;
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 30%, rgba(201,169,110,0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-content { position: relative; z-index: 2; max-width: 860px; padding: 0 24px; }
        .hero-badge {
            display: inline-block;
            padding: 6px 20px;
            border: 1px solid var(--clr-accent-dim);
            border-radius: 100px;
            font-size: 0.8rem;
            font-family: var(--font-sans);
            color: var(--clr-accent);
            letter-spacing: 0.08em;
            margin-bottom: 1.5rem;
            text-transform: uppercase;
        }
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1.2rem;
            color: var(--clr-text);
        }
        .hero h1 .highlight { color: var(--clr-accent); }
        .hero p {
            font-size: 1.15rem;
            color: var(--clr-text-muted);
            max-width: 600px;
            margin: 0 auto 2rem;
            line-height: 1.8;
        }
        .hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .btn-primary {
            background: var(--clr-accent);
            color: #1a0f0a;
            border: none;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 600;
            font-family: var(--font-sans);
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            letter-spacing: 0.03em;
        }
        .btn-primary:hover { background: var(--clr-accent-hover); color: #1a0f0a; transform: translateY(-2px); box-shadow: 0 6px 24px rgba(201,169,110,0.25); }
        .btn-outline {
            background: transparent;
            color: var(--clr-text);
            border: 1px solid var(--clr-border-light);
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            font-family: var(--font-sans);
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.03em;
        }
        .btn-outline:hover { border-color: var(--clr-accent); color: var(--clr-accent); background: rgba(201,169,110,0.06); transform: translateY(-2px); }

        /* ===== Section spacing ===== */
        .section { padding: 80px 0; }
        .section-alt { background: var(--clr-bg-alt); }

        /* ===== Features ===== */
        .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
        .feature-card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            text-align: center;
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: var(--shadow-card);
        }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-glow), var(--shadow-card); }
        .feature-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 1.2rem;
            border-radius: 50%;
            border: 2px solid var(--clr-accent-dim);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--clr-accent);
            background: rgba(201,169,110,0.06);
        }
        .feature-card h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.8rem; color: var(--clr-text); }
        .feature-card p { font-size: 0.95rem; color: var(--clr-text-muted); line-height: 1.7; font-family: var(--font-sans); }

        /* ===== Category Cards ===== */
        .category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
        .category-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--clr-border);
            background: var(--clr-bg-card);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition);
            min-height: 340px;
            display: flex;
            flex-direction: column;
        }
        .category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-glow), var(--shadow-card); }
        .category-card .card-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            transition: opacity var(--transition);
        }
        .category-card:hover .card-bg { opacity: 0.3; }
        .category-card .card-body {
            position: relative;
            z-index: 2;
            padding: 36px 32px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            background: linear-gradient(0deg, rgba(26,15,10,0.85) 40%, transparent 100%);
        }
        .category-card .card-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 100px;
            background: var(--clr-accent);
            color: #1a0f0a;
            font-size: 0.75rem;
            font-weight: 600;
            font-family: var(--font-sans);
            margin-bottom: 1rem;
            align-self: flex-start;
            letter-spacing: 0.04em;
        }
        .category-card h3 { font-size: 1.6rem; font-weight: 700; margin-bottom: 0.6rem; color: var(--clr-text); }
        .category-card p { font-size: 0.95rem; color: var(--clr-text-muted); margin-bottom: 1.2rem; font-family: var(--font-sans); max-width: 90%; }
        .category-card .btn-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--clr-accent);
            font-weight: 600;
            font-family: var(--font-sans);
            font-size: 0.9rem;
            transition: gap var(--transition);
        }
        .category-card .btn-link:hover { gap: 14px; color: var(--clr-accent-hover); }

        /* ===== CMS Latest List ===== */
        .latest-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
        .post-card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        .post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-glow), var(--shadow-card); }
        .post-card .post-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            font-family: var(--font-sans);
            color: var(--clr-text-dim);
            margin-bottom: 0.8rem;
        }
        .post-card .post-meta .badge {
            background: rgba(201,169,110,0.15);
            color: var(--clr-accent);
            padding: 2px 12px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 500;
        }
        .post-card h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
        .post-card h4 a { color: var(--clr-text); transition: color var(--transition); }
        .post-card h4 a:hover { color: var(--clr-accent); }
        .post-card p { font-size: 0.9rem; color: var(--clr-text-muted); font-family: var(--font-sans); flex: 1; }
        .post-card .post-footer {
            margin-top: 1rem;
            font-size: 0.8rem;
            color: var(--clr-text-dim);
            font-family: var(--font-sans);
            border-top: 1px solid var(--clr-border);
            padding-top: 0.8rem;
            display: flex;
            justify-content: space-between;
        }
        .empty-list { text-align: center; padding: 60px 20px; color: var(--clr-text-dim); font-family: var(--font-sans); grid-column: 1 / -1; }
        .empty-list i { font-size: 2rem; margin-bottom: 1rem; display: block; color: var(--clr-border-light); }

        /* ===== Stats ===== */
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .stat-item {
            text-align: center;
            padding: 32px 16px;
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
        }
        .stat-item .number {
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--clr-accent);
            font-family: var(--font-serif);
            line-height: 1.2;
        }
        .stat-item .label {
            font-size: 0.9rem;
            color: var(--clr-text-muted);
            font-family: var(--font-sans);
            margin-top: 0.4rem;
        }

        /* ===== Process ===== */
        .process-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; position: relative; }
        .process-step {
            text-align: center;
            padding: 32px 20px;
            position: relative;
        }
        .process-step .step-num {
            width: 56px;
            height: 56px;
            margin: 0 auto 1.2rem;
            border-radius: 50%;
            border: 2px solid var(--clr-accent-dim);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--clr-accent);
            background: rgba(201,169,110,0.06);
        }
        .process-step h4 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.6rem; color: var(--clr-text); }
        .process-step p { font-size: 0.9rem; color: var(--clr-text-muted); font-family: var(--font-sans); max-width: 280px; margin: 0 auto; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-glow); }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--clr-text);
            transition: color var(--transition);
            font-family: var(--font-sans);
            letter-spacing: 0.01em;
        }
        .faq-question:hover { color: var(--clr-accent); }
        .faq-question i { color: var(--clr-accent-dim); transition: transform var(--transition); font-size: 0.9rem; }
        .faq-question.open i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.95rem;
            color: var(--clr-text-muted);
            font-family: var(--font-sans);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #2c1810 0%, #1a0f0a 100%);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            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-content { position: relative; z-index: 2; }
        .cta-section h2 { font-size: 2rem; font-weight: 700; margin-bottom: 0.8rem; color: var(--clr-text); }
        .cta-section p { font-size: 1.05rem; color: var(--clr-text-muted); margin-bottom: 2rem; max-width: 540px; margin-left: auto; margin-right: auto; font-family: var(--font-sans); }
        .cta-section .btn-primary { padding: 16px 48px; font-size: 1.05rem; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--clr-bg-nav);
            border-top: 1px solid var(--clr-border);
            padding: 48px 0 24px;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
        .footer-brand .logo { font-size: 1.3rem; margin-bottom: 0.8rem; }
        .footer-brand p { font-size: 0.9rem; color: var(--clr-text-muted); font-family: var(--font-sans); max-width: 300px; line-height: 1.7; }
        .footer-col h5 { font-size: 0.95rem; font-weight: 600; color: var(--clr-text); margin-bottom: 1rem; font-family: var(--font-sans); letter-spacing: 0.04em; }
        .footer-col ul { display: flex; flex-direction: column; gap: 8px; }
        .footer-col ul a {
            font-size: 0.88rem;
            color: var(--clr-text-muted);
            font-family: var(--font-sans);
            transition: color var(--transition);
        }
        .footer-col ul a:hover { color: var(--clr-accent); }
        .footer-bottom {
            border-top: 1px solid var(--clr-border);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--clr-text-dim);
            font-family: var(--font-sans);
        }
        .footer-bottom a { color: var(--clr-text-dim); }
        .footer-bottom a:hover { color: var(--clr-accent); }

        /* ===== Mobile Toggle ===== */
        .mobile-toggle { display: none; background: none; border: none; color: var(--clr-text); font-size: 1.4rem; cursor: pointer; padding: 4px; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .header-top { flex-wrap: wrap; gap: 12px; }
            .header-search input { min-width: 120px; }
            .mobile-toggle { display: block; }
            .nav-tabs-wrapper { display: none; flex-direction: column; align-items: stretch; padding: 12px 0; gap: 6px; }
            .nav-tabs-wrapper.open { display: flex; }
            .nav-tab { border-radius: var(--radius-sm); padding: 10px 16px; justify-content: center; }
            .hero h1 { font-size: 2.2rem; }
            .hero p { font-size: 1rem; }
            .hero { min-height: 50vh; padding: 60px 0; }
            .section { padding: 48px 0; }
            .section-title { font-size: 1.7rem; }
            .features-grid { grid-template-columns: 1fr; }
            .category-grid { grid-template-columns: 1fr; }
            .latest-grid { grid-template-columns: 1fr; }
            .process-grid { grid-template-columns: 1fr; gap: 24px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-section { padding: 40px 24px; }
            .cta-section h2 { font-size: 1.5rem; }
            .hero-actions { flex-direction: column; align-items: center; }
            .btn-primary, .btn-outline { width: 100%; max-width: 280px; text-align: center; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero h1 { font-size: 1.7rem; }
            .header-search input { min-width: 80px; }
            .header-cta { padding: 6px 14px; font-size: 0.78rem; }
            .logo { font-size: 1.2rem; }
            .stat-item .number { font-size: 2rem; }
            .category-card .card-body { padding: 24px 20px; }
            .post-card { padding: 18px 20px; }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: var(--clr-bg); }
        ::-webkit-scrollbar-thumb { background: var(--clr-border); border-radius: 3px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--clr-border-light); }

        /* ===== Focus ===== */
        :focus-visible { outline: 2px solid var(--clr-accent); outline-offset: 2px; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --clr-primary: #0b1a2e;
            --clr-primary-light: #132a44;
            --clr-accent: #d4a055;
            --clr-accent-hover: #e2b86b;
            --clr-accent-dim: rgba(212, 160, 85, 0.15);
            --clr-orange: #e87a2a;
            --clr-bg: #0f1f35;
            --clr-bg-card: rgba(255, 255, 255, 0.04);
            --clr-bg-card-hover: rgba(255, 255, 255, 0.08);
            --clr-text: #f0eee6;
            --clr-text-muted: #b0aaa0;
            --clr-text-dim: #7a756d;
            --clr-border: rgba(212, 160, 85, 0.2);
            --clr-border-strong: rgba(212, 160, 85, 0.4);
            --clr-shadow: rgba(0, 0, 0, 0.5);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 12px 48px rgba(0, 0, 0, 0.6);
            --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --spacer: 24px;
            --container-max: 1200px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-sans);
            background: var(--clr-bg);
            color: var(--clr-text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        a {
            color: var(--clr-accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--clr-accent-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacer);
        }

        /* ===== Typography ===== */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--clr-text);
            letter-spacing: -0.01em;
        }
        h1 {
            font-size: 3rem;
        }
        h2 {
            font-size: 2.25rem;
            margin-bottom: 1rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
        }
        p {
            margin-bottom: 1rem;
            color: var(--clr-text-muted);
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--clr-text-dim);
            max-width: 640px;
            margin: 0 auto 2.5rem;
            text-align: center;
        }
        .section-title {
            text-align: center;
            margin-bottom: 0.5rem;
        }
        .section-title .gold {
            color: var(--clr-accent);
        }
        .section-headline {
            position: relative;
            display: inline-block;
        }
        .section-headline::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--clr-accent);
            border-radius: 2px;
        }

        /* ===== Header & Nav (双层Tabs) ===== */
        .site-header {
            background: rgba(11, 26, 40, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--clr-border);
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: background var(--transition);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            flex-wrap: wrap;
            gap: 12px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--clr-text);
            letter-spacing: -0.02em;
        }
        .logo i {
            color: var(--clr-accent);
            font-size: 1.5rem;
        }
        .logo:hover {
            color: var(--clr-accent);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .header-search {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--clr-border);
            border-radius: 30px;
            padding: 6px 16px 6px 20px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: border var(--transition), background var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--clr-accent);
            background: rgba(255, 255, 255, 0.1);
        }
        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--clr-text);
            padding: 4px 0;
            width: 140px;
            font-size: 0.9rem;
        }
        .header-search input::placeholder {
            color: var(--clr-text-dim);
        }
        .header-search button {
            background: transparent;
            border: none;
            color: var(--clr-text-dim);
            cursor: pointer;
            padding: 2px 4px;
            transition: color var(--transition);
        }
        .header-search button:hover {
            color: var(--clr-accent);
        }
        .header-cta {
            background: var(--clr-accent);
            color: var(--clr-primary);
            border: none;
            border-radius: 30px;
            padding: 8px 22px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: background var(--transition), transform var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .header-cta:hover {
            background: var(--clr-accent-hover);
            color: var(--clr-primary);
            transform: translateY(-1px);
        }

        /* 导航Tabs */
        .nav-tabs-wrapper {
            display: flex;
            gap: 4px;
            padding: 6px 0 8px;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--clr-border) transparent;
            -webkit-overflow-scrolling: touch;
            flex-wrap: nowrap;
        }
        .nav-tabs-wrapper::-webkit-scrollbar {
            height: 3px;
        }
        .nav-tabs-wrapper::-webkit-scrollbar-thumb {
            background: var(--clr-border);
            border-radius: 6px;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            border-radius: 30px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--clr-text-muted);
            background: transparent;
            border: 1px solid transparent;
            white-space: nowrap;
            transition: all var(--transition);
            cursor: pointer;
        }
        .nav-tab i {
            font-size: 0.85rem;
            color: var(--clr-text-dim);
            transition: color var(--transition);
        }
        .nav-tab:hover {
            color: var(--clr-text);
            background: var(--clr-bg-card);
            border-color: var(--clr-border);
        }
        .nav-tab:hover i {
            color: var(--clr-accent);
        }
        .nav-tab.active {
            color: var(--clr-primary);
            background: var(--clr-accent);
            border-color: var(--clr-accent);
        }
        .nav-tab.active i {
            color: var(--clr-primary);
        }

        /* ===== Hero Banner ===== */
        .hero-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(11, 26, 40, 0.85) 0%, rgba(15, 31, 53, 0.7) 100%), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            border-bottom: 1px solid var(--clr-border);
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(212, 160, 85, 0.08) 0%, transparent 65%);
            pointer-events: none;
        }
        .hero-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px var(--spacer);
        }
        .hero-banner h1 {
            font-size: 3.4rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 0.75rem;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }
        .hero-banner h1 .gold {
            color: var(--clr-accent);
        }
        .hero-banner p {
            font-size: 1.2rem;
            color: var(--clr-text-muted);
            max-width: 680px;
            margin: 0 auto 2rem;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--clr-accent-dim);
            border: 1px solid var(--clr-border-strong);
            border-radius: 30px;
            padding: 6px 18px;
            font-size: 0.85rem;
            color: var(--clr-accent);
            margin-bottom: 1.2rem;
            letter-spacing: 0.3px;
        }
        .hero-badge i {
            font-size: 0.75rem;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-live {
            background: var(--clr-accent);
            color: var(--clr-primary);
            border: none;
            border-radius: 30px;
            padding: 14px 36px;
            font-weight: 700;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition);
            box-shadow: 0 4px 20px rgba(212, 160, 85, 0.3);
        }
        .btn-live:hover {
            background: var(--clr-accent-hover);
            color: var(--clr-primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(212, 160, 85, 0.4);
        }
        .btn-outline-live {
            background: transparent;
            color: var(--clr-text);
            border: 1.5px solid var(--clr-border-strong);
            border-radius: 30px;
            padding: 14px 36px;
            font-weight: 600;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition);
        }
        .btn-outline-live:hover {
            background: var(--clr-accent-dim);
            border-color: var(--clr-accent);
            color: var(--clr-accent);
            transform: translateY(-2px);
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 80px 0;
        }
        .section-block.dark {
            background: var(--clr-primary);
        }
        .section-block.darker {
            background: rgba(0, 0, 0, 0.2);
        }

        /* ===== 直播分类卡片 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .category-card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 32px 20px 28px;
            text-align: center;
            transition: all var(--transition);
            cursor: default;
            position: relative;
            overflow: hidden;
        }
        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--clr-accent);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .category-card:hover {
            background: var(--clr-bg-card-hover);
            border-color: var(--clr-border-strong);
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .category-card:hover::before {
            opacity: 1;
        }
        .category-card .icon-wrap {
            width: 64px;
            height: 64px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: var(--clr-accent-dim);
            border: 1px solid var(--clr-border-strong);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--clr-accent);
            transition: all var(--transition);
        }
        .category-card:hover .icon-wrap {
            background: var(--clr-accent);
            color: var(--clr-primary);
            transform: scale(1.05);
        }
        .category-card h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
        }
        .category-card p {
            font-size: 0.9rem;
            color: var(--clr-text-dim);
            margin-bottom: 14px;
        }
        .category-card .tag {
            display: inline-block;
            background: var(--clr-accent-dim);
            color: var(--clr-accent);
            border-radius: 20px;
            padding: 2px 14px;
            font-size: 0.75rem;
            font-weight: 600;
            border: 1px solid var(--clr-border);
        }

        /* ===== 热门赛事推荐 ===== */
        .match-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .match-card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .match-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--clr-border-strong);
        }
        .match-card .thumb {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .match-card .thumb .live-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(232, 122, 42, 0.92);
            color: #fff;
            border-radius: 20px;
            padding: 4px 14px;
            font-size: 0.75rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 5px;
            letter-spacing: 0.3px;
        }
        .match-card .thumb .live-tag i {
            font-size: 0.6rem;
            animation: pulse-dot 1.4s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }
        .match-card .body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .match-card .body .meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.8rem;
            color: var(--clr-text-dim);
            margin-bottom: 8px;
        }
        .match-card .body .meta i {
            color: var(--clr-accent);
        }
        .match-card .body h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .match-card .body p {
            font-size: 0.9rem;
            color: var(--clr-text-dim);
            margin-bottom: 16px;
            flex: 1;
        }
        .match-card .body .btn-sm-live {
            align-self: flex-start;
            background: transparent;
            border: 1.5px solid var(--clr-border-strong);
            border-radius: 30px;
            padding: 6px 20px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--clr-accent);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .match-card .body .btn-sm-live:hover {
            background: var(--clr-accent);
            color: var(--clr-primary);
            border-color: var(--clr-accent);
        }

        /* ===== 直播流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-card {
            text-align: center;
            padding: 32px 16px;
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            transition: all var(--transition);
            position: relative;
        }
        .step-card:hover {
            background: var(--clr-bg-card-hover);
            border-color: var(--clr-border-strong);
            transform: translateY(-4px);
        }
        .step-card .step-num {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: var(--clr-accent);
            color: var(--clr-primary);
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .step-card h4 {
            font-size: 1.05rem;
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 0.88rem;
            color: var(--clr-text-dim);
            margin-bottom: 0;
        }
        .step-card .step-arrow {
            position: absolute;
            right: -18px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--clr-accent);
            font-size: 1.2rem;
            opacity: 0.5;
        }
        .steps-grid .step-card:last-child .step-arrow {
            display: none;
        }

        /* ===== 特色数据 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            padding: 32px 16px;
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }
        .stat-item:hover {
            background: var(--clr-bg-card-hover);
            border-color: var(--clr-border-strong);
            transform: translateY(-3px);
        }
        .stat-item .num {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--clr-accent);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-item .label {
            font-size: 0.95rem;
            color: var(--clr-text-muted);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border var(--transition);
        }
        .faq-item:hover {
            border-color: var(--clr-border-strong);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--clr-text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: background var(--transition);
            user-select: none;
        }
        .faq-question:hover {
            background: var(--clr-bg-card-hover);
        }
        .faq-question i {
            color: var(--clr-accent);
            transition: transform var(--transition);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.95rem;
            color: var(--clr-text-muted);
            display: none;
            line-height: 1.7;
        }
        .faq-answer.show {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, rgba(11, 26, 40, 0.9) 0%, rgba(15, 31, 53, 0.8) 100%), url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            border-top: 1px solid var(--clr-border);
            border-bottom: 1px solid var(--clr-border);
            text-align: center;
            padding: 80px 0;
        }
        .cta-block h2 {
            font-size: 2.2rem;
            margin-bottom: 1rem;
        }
        .cta-block p {
            max-width: 560px;
            margin: 0 auto 2rem;
            color: var(--clr-text-muted);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--clr-primary);
            border-top: 1px solid var(--clr-border);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
        }
        .footer-brand .logo {
            font-size: 1.25rem;
            margin-bottom: 12px;
            display: inline-flex;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--clr-text-dim);
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--clr-text);
            letter-spacing: 0.3px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--clr-text-dim);
            transition: color var(--transition), padding-left var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--clr-accent);
            padding-left: 4px;
        }
        .footer-col ul li a i {
            font-size: 0.8rem;
            color: var(--clr-accent);
            width: 16px;
        }
        .footer-bottom {
            border-top: 1px solid var(--clr-border);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--clr-text-dim);
        }
        .footer-bottom span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .match-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid .step-card .step-arrow {
                display: none;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-banner h1 {
                font-size: 2.6rem;
            }
        }

        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }
            .header-actions {
                justify-content: space-between;
            }
            .header-search input {
                width: 100px;
            }
            .nav-tabs-wrapper {
                gap: 2px;
                padding: 4px 0 8px;
            }
            .nav-tab {
                padding: 6px 14px;
                font-size: 0.82rem;
            }
            .nav-tab i {
                font-size: 0.75rem;
            }
            .hero-banner {
                min-height: 320px;
            }
            .hero-banner h1 {
                font-size: 2rem;
            }
            .hero-banner p {
                font-size: 1rem;
            }
            .btn-live,
            .btn-outline-live {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .section-block {
                padding: 52px 0;
            }
            h2 {
                font-size: 1.7rem;
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .match-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-block h2 {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-search input {
                width: 80px;
            }
            .nav-tab {
                padding: 4px 12px;
                font-size: 0.75rem;
                gap: 4px;
            }
            .nav-tab i {
                font-size: 0.65rem;
            }
            .hero-banner h1 {
                font-size: 1.6rem;
            }
            .hero-banner p {
                font-size: 0.9rem;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-item .num {
                font-size: 2.2rem;
            }
            .match-card .thumb {
                height: 160px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 16px 14px;
            }
        }

        /* ===== 滚动条美化 ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--clr-primary);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--clr-border);
            border-radius: 6px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--clr-border-strong);
        }

        /* ===== 辅助 ===== */
        .mt-1 {
            margin-top: 0.5rem;
        }
        .mb-1 {
            margin-bottom: 0.5rem;
        }
        .mt-2 {
            margin-top: 1rem;
        }
        .mb-2 {
            margin-bottom: 1rem;
        }
        .mt-3 {
            margin-top: 1.5rem;
        }
        .mb-3 {
            margin-bottom: 1.5rem;
        }
        .text-accent {
            color: var(--clr-accent);
        }
        .gap-2 {
            gap: 0.5rem;
        }
        .gap-3 {
            gap: 1rem;
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --clr-primary: #1a1a2e;
            --clr-primary-light: #2d2d4a;
            --clr-accent: #c9a84c;
            --clr-accent-hover: #dbb95a;
            --clr-accent-soft: #f0e4c8;
            --clr-bg: #f8f4ec;
            --clr-bg-alt: #efe9dd;
            --clr-bg-card: #fefcf7;
            --clr-text: #2d1f14;
            --clr-text-light: #6b5a4a;
            --clr-text-muted: #9a8a7a;
            --clr-border: #d4c8b4;
            --clr-border-light: #e8e0d4;
            --clr-white: #ffffff;
            --clr-dark: #1a1a2e;
            --clr-success: #7a9a5a;
            --clr-info: #5a8a9a;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(42, 35, 25, 0.08);
            --shadow-md: 0 6px 24px rgba(42, 35, 25, 0.1);
            --shadow-lg: 0 12px 40px rgba(42, 35, 25, 0.14);
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --space-section: 5rem;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--clr-text);
            background-color: var(--clr-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--clr-accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--clr-accent-hover);
        }
        a:focus-visible {
            outline: 2px solid var(--clr-accent);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--clr-accent);
            outline-offset: 2px;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            color: var(--clr-primary);
            line-height: 1.3;
            font-weight: 700;
        }

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

        /* ===== Header 第一行 ===== */
        .header-top {
            background-color: var(--clr-primary);
            padding: 0.6rem 0;
            border-bottom: 2px solid var(--clr-accent);
        }
        .header-top .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--clr-accent);
            text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
            transition: color var(--transition);
            letter-spacing: 1px;
        }
        .logo i {
            font-size: 1.4rem;
            color: var(--clr-accent);
        }
        .logo:hover {
            color: var(--clr-accent-hover);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .search-form {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid var(--clr-border);
            border-radius: 30px;
            overflow: hidden;
            transition: border-color var(--transition), background var(--transition);
        }
        .search-form:focus-within {
            border-color: var(--clr-accent);
            background: rgba(255, 255, 255, 0.18);
        }
        .search-form input {
            background: transparent;
            border: none;
            padding: 0.45rem 1rem;
            color: var(--clr-white);
            font-size: 0.9rem;
            min-width: 160px;
            outline: none;
        }
        .search-form input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .search-form button {
            background: transparent;
            border: none;
            color: var(--clr-accent);
            padding: 0.45rem 1rem 0.45rem 0.5rem;
            cursor: pointer;
            transition: color var(--transition);
        }
        .search-form button:hover {
            color: var(--clr-accent-hover);
        }
        .btn-enter {
            background: var(--clr-accent);
            color: var(--clr-primary);
            border: none;
            padding: 0.45rem 1.3rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: background var(--transition), transform var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            white-space: nowrap;
        }
        .btn-enter:hover {
            background: var(--clr-accent-hover);
            color: var(--clr-primary);
            transform: translateY(-1px);
        }
        .menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--clr-border);
            color: var(--clr-accent);
            font-size: 1.3rem;
            padding: 0.3rem 0.7rem;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: background var(--transition);
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* ===== 导航 Tabs 第二行 ===== */
        .nav-tabs-wrapper {
            background: var(--clr-primary-light);
            border-bottom: 1px solid rgba(201, 168, 76, 0.2);
            display: flex;
            align-items: center;
            gap: 0.15rem;
            padding: 0.3rem 1.5rem;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
            justify-content: center;
            flex-wrap: nowrap;
        }
        .nav-tabs-wrapper::-webkit-scrollbar {
            display: none;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            padding: 0.55rem 1.2rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            border-radius: 30px;
            transition: background var(--transition), color var(--transition);
            white-space: nowrap;
            text-decoration: none;
            background: transparent;
            border: none;
        }
        .nav-tab i {
            font-size: 0.9rem;
        }
        .nav-tab:hover {
            color: var(--clr-white);
            background: rgba(201, 168, 76, 0.15);
        }
        .nav-tab.active {
            color: var(--clr-primary);
            background: var(--clr-accent);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(201, 168, 76, 0.3);
        }
        .nav-tab.active:hover {
            background: var(--clr-accent-hover);
            color: var(--clr-primary);
        }
        .nav-tab:focus-visible {
            outline: 2px solid var(--clr-accent);
            outline-offset: 2px;
        }

        /* ===== Hero 文章标题区 ===== */
        .article-hero {
            position: relative;
            padding: 4rem 0 3rem;
            background: var(--clr-primary);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            background-color: rgba(26, 26, 46, 0.82);
            border-bottom: 3px solid var(--clr-accent);
            overflow: hidden;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--clr-bg), transparent);
            pointer-events: none;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 1.8rem;
            flex-wrap: wrap;
        }
        .article-breadcrumb a {
            color: var(--clr-accent);
            transition: color var(--transition);
        }
        .article-breadcrumb a:hover {
            color: var(--clr-accent-hover);
        }
        .article-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.3);
        }
        .article-hero h1 {
            font-size: 2.6rem;
            color: var(--clr-white);
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
            max-width: 900px;
            margin: 0 auto 1.2rem;
            line-height: 1.25;
            letter-spacing: 0.5px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.8rem;
            flex-wrap: wrap;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.75);
        }
        .article-meta .category-tag {
            background: var(--clr-accent);
            color: var(--clr-primary);
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 0.3px;
        }
        .article-meta i {
            margin-right: 0.35rem;
            color: var(--clr-accent);
        }

        /* ===== 文章正文区 ===== */
        .article-body-section {
            padding: 3.5rem 0 4rem;
            background: var(--clr-bg);
        }
        .article-body-inner {
            max-width: 800px;
            margin: 0 auto;
            background: var(--clr-bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 2.5rem 3rem;
            border: 1px solid var(--clr-border-light);
        }
        .article-featured-image {
            margin-bottom: 2rem;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .article-featured-image img {
            width: 100%;
            height: auto;
            max-height: 460px;
            object-fit: cover;
        }
        .article-content {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--clr-text);
        }
        .article-content p {
            margin-bottom: 1.4rem;
        }
        .article-content h2,
        .article-content h3,
        .article-content h4 {
            margin-top: 2rem;
            margin-bottom: 0.8rem;
            color: var(--clr-primary);
        }
        .article-content img {
            margin: 1.5rem 0;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 1.4rem;
            padding-left: 1.8rem;
        }
        .article-content ul li {
            list-style: disc;
            margin-bottom: 0.4rem;
        }
        .article-content ol li {
            list-style: decimal;
            margin-bottom: 0.4rem;
        }
        .article-content blockquote {
            border-left: 4px solid var(--clr-accent);
            padding: 0.8rem 1.5rem;
            margin: 1.5rem 0;
            background: var(--clr-accent-soft);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--clr-text-light);
            font-style: italic;
        }
        .article-content a {
            color: var(--clr-accent);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-content a:hover {
            color: var(--clr-accent-hover);
        }
        .article-not-found {
            text-align: center;
            padding: 3rem 1rem;
        }
        .article-not-found .icon-big {
            font-size: 4rem;
            color: var(--clr-text-muted);
            margin-bottom: 1rem;
        }
        .article-not-found h2 {
            font-size: 1.8rem;
            margin-bottom: 0.8rem;
        }
        .article-not-found p {
            color: var(--clr-text-light);
            margin-bottom: 1.5rem;
        }
        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--clr-accent);
            color: var(--clr-primary);
            padding: 0.6rem 1.8rem;
            border-radius: 30px;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition);
            border: none;
            text-decoration: none;
        }
        .btn-back-home:hover {
            background: var(--clr-accent-hover);
            color: var(--clr-primary);
            transform: translateY(-2px);
        }

        /* ===== 文章底部导航 ===== */
        .article-footer-nav {
            padding: 1.5rem 0 0;
            margin-top: 2.5rem;
            border-top: 1px solid var(--clr-border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .article-footer-nav .share-links {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .article-footer-nav .share-links span {
            font-size: 0.9rem;
            color: var(--clr-text-muted);
        }
        .article-footer-nav .share-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--clr-bg-alt);
            color: var(--clr-text-light);
            transition: background var(--transition), color var(--transition);
            font-size: 0.95rem;
        }
        .article-footer-nav .share-links a:hover {
            background: var(--clr-accent);
            color: var(--clr-primary);
        }
        .article-footer-nav .back-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--clr-text-light);
            font-size: 0.95rem;
            transition: color var(--transition);
        }
        .article-footer-nav .back-link:hover {
            color: var(--clr-accent);
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 3.5rem 0 4rem;
            background: var(--clr-bg-alt);
        }
        .related-section .section-title {
            text-align: center;
            font-size: 2rem;
            margin-bottom: 0.5rem;
            color: var(--clr-primary);
        }
        .related-section .section-subtitle {
            text-align: center;
            color: var(--clr-text-light);
            margin-bottom: 2.5rem;
            font-size: 1rem;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 1.5rem;
        }
        .related-card {
            background: var(--clr-bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border-light);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .related-card img {
            width: 100%;
            height: 170px;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card-body {
            padding: 1.2rem 1.2rem 1.4rem;
        }
        .related-card-body .cat-label {
            display: inline-block;
            background: var(--clr-accent-soft);
            color: var(--clr-primary);
            padding: 0.15rem 0.8rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        .related-card-body h4 {
            font-size: 1.1rem;
            margin-bottom: 0.4rem;
            font-weight: 700;
        }
        .related-card-body h4 a {
            color: var(--clr-primary);
            transition: color var(--transition);
        }
        .related-card-body h4 a:hover {
            color: var(--clr-accent);
        }
        .related-card-body .meta {
            font-size: 0.82rem;
            color: var(--clr-text-muted);
        }

        /* ===== CTA 区域 ===== */
        .cta-section {
            padding: 4rem 0;
            background: var(--clr-primary);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            background-color: rgba(26, 26, 46, 0.85);
            text-align: center;
            border-top: 2px solid var(--clr-accent);
            border-bottom: 2px solid var(--clr-accent);
        }
        .cta-section h2 {
            font-size: 2.2rem;
            color: var(--clr-white);
            margin-bottom: 0.8rem;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin: 0 auto 2rem;
            font-size: 1.05rem;
        }
        .cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--clr-accent);
            color: var(--clr-primary);
            padding: 0.7rem 2rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1.05rem;
            border: none;
            transition: background var(--transition), transform var(--transition);
        }
        .btn-cta-primary:hover {
            background: var(--clr-accent-hover);
            color: var(--clr-primary);
            transform: translateY(-2px);
        }
        .btn-cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--clr-white);
            padding: 0.7rem 2rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 1.05rem;
            border: 1px solid var(--clr-border);
            transition: background var(--transition), border-color var(--transition);
        }
        .btn-cta-secondary:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--clr-accent);
            color: var(--clr-white);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--clr-primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 3.5rem 0 0;
            border-top: 3px solid var(--clr-accent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .logo {
            font-size: 1.4rem;
            margin-bottom: 0.8rem;
            display: inline-flex;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-col h5 {
            font-size: 1rem;
            color: var(--clr-accent);
            margin-bottom: 1.1rem;
            font-family: var(--font-body);
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .footer-col ul li a:hover {
            color: var(--clr-accent);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
            padding: 1.5rem 0;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom span {
            white-space: nowrap;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .article-hero h1 {
                font-size: 2.2rem;
            }
            .article-body-inner {
                padding: 2rem 2rem;
            }
        }
        @media (max-width: 768px) {
            :root {
                --space-section: 3rem;
            }
            .header-top .container {
                flex-wrap: nowrap;
            }
            .search-form {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .nav-tabs-wrapper {
                justify-content: flex-start;
                padding: 0.3rem 1rem;
                gap: 0.1rem;
            }
            .nav-tab {
                font-size: 0.82rem;
                padding: 0.4rem 0.9rem;
            }
            .nav-tab i {
                font-size: 0.75rem;
            }
            .header-actions .btn-enter {
                font-size: 0.8rem;
                padding: 0.35rem 1rem;
            }
            .article-hero h1 {
                font-size: 1.8rem;
            }
            .article-meta {
                gap: 1rem;
                font-size: 0.85rem;
            }
            .article-body-inner {
                padding: 1.5rem 1.2rem;
            }
            .article-content {
                font-size: 1rem;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
        }
        @media (max-width: 520px) {
            .logo {
                font-size: 1.2rem;
            }
            .logo i {
                font-size: 1.1rem;
            }
            .header-actions .btn-enter {
                font-size: 0.7rem;
                padding: 0.25rem 0.8rem;
            }
            .menu-toggle {
                font-size: 1.1rem;
                padding: 0.2rem 0.5rem;
            }
            .nav-tab {
                font-size: 0.75rem;
                padding: 0.35rem 0.7rem;
            }
            .article-hero {
                padding: 2.5rem 0 2rem;
            }
            .article-hero h1 {
                font-size: 1.4rem;
            }
            .article-meta {
                font-size: 0.78rem;
                gap: 0.6rem;
            }
            .article-body-inner {
                padding: 1.2rem 0.8rem;
                border-radius: var(--radius-md);
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.5rem !important;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .cta-section p {
                font-size: 0.92rem;
            }
            .btn-cta-primary,
            .btn-cta-secondary {
                font-size: 0.9rem;
                padding: 0.5rem 1.4rem;
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 移动端菜单交互 ===== */
        .nav-tabs-wrapper.collapsed {
            display: none;
        }
        .nav-tabs-wrapper.expanded {
            display: flex;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .nav-tabs-wrapper {
                display: none;
                flex-direction: column;
                align-items: stretch;
                padding: 0.5rem 1rem;
                gap: 0.3rem;
            }
            .nav-tabs-wrapper.expanded {
                display: flex;
            }
            .nav-tab {
                justify-content: center;
                padding: 0.6rem 1rem;
                border-radius: var(--radius-sm);
            }
        }
        @media (min-width: 769px) {
            .nav-tabs-wrapper {
                display: flex !important;
            }
        }

        /* ===== 额外辅助 ===== */
        .text-accent {
            color: var(--clr-accent);
        }
        .bg-accent-soft {
            background: var(--clr-accent-soft);
        }
        .mt-section {
            margin-top: var(--space-section);
        }
        .mb-section {
            margin-bottom: var(--space-section);
        }

        /* 加载字体 */
        @import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700&family=Inter:wght@400;500;600;700&display=swap');

/* roulang page: category2 */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a2a4a;
            --primary-light: #2c4068;
            --primary-dark: #0f1a30;
            --accent: #d4a843;
            --accent-light: #e8c56a;
            --accent-dark: #b8912e;
            --bg-body: #f5f2ed;
            --bg-card: #ffffff;
            --bg-alt: #ebe6de;
            --bg-dark: #1a2a4a;
            --text-primary: #1e1e1e;
            --text-body: #3d3d3d;
            --text-muted: #7a7a7a;
            --text-light: #f5f2ed;
            --text-accent: #d4a843;
            --border-color: #d9d2c8;
            --border-light: #e8e2d8;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.08);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.10);
            --shadow-accent: 0 4px 16px rgba(212,168,67,0.30);
            --transition: all 0.25s ease;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-body);
            color: var(--text-body);
            line-height: 1.7;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--accent-dark); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); text-decoration: none; }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; padding: 0; margin: 0; }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }
        .container { max-width: 1200px; padding: 0 20px; margin: 0 auto; }
        .container-fluid { padding: 0 20px; }

        /* ===== Header & Navigation (Tabs Style) ===== */
        .site-header {
            background: var(--primary);
            border-bottom: 3px solid var(--accent);
            position: sticky;
            top: 0;
            z-index: 1040;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0 6px;
            flex-wrap: wrap;
            gap: 10px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: 0.5px;
            transition: var(--transition);
        }
        .logo i { color: var(--accent); font-size: 1.5rem; }
        .logo:hover { color: var(--accent-light); }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: rgba(255,255,255,0.10);
            border-radius: 50px;
            padding: 4px 16px 4px 18px;
            border: 1px solid rgba(255,255,255,0.12);
            transition: var(--transition);
        }
        .header-search:focus-within {
            background: rgba(255,255,255,0.18);
            border-color: var(--accent);
        }
        .header-search input {
            background: transparent;
            border: none;
            color: var(--text-light);
            padding: 6px 0;
            font-size: 0.9rem;
            min-width: 140px;
            outline: none;
        }
        .header-search input::placeholder { color: rgba(255,255,255,0.5); }
        .header-search button {
            background: transparent;
            border: none;
            color: var(--accent);
            padding: 4px 0 4px 10px;
            cursor: pointer;
            transition: var(--transition);
        }
        .header-search button:hover { color: var(--accent-light); }
        .nav-tabs-wrapper {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 6px 0 10px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-wrap: nowrap;
        }
        .nav-tabs-wrapper::-webkit-scrollbar { display: none; }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            color: rgba(255,255,255,0.75);
            background: transparent;
            border: 1px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }
        .nav-tab i { font-size: 0.9rem; }
        .nav-tab:hover {
            color: var(--text-light);
            background: rgba(255,255,255,0.08);
            border-color: rgba(255,255,255,0.12);
            text-decoration: none;
        }
        .nav-tab.active {
            color: var(--primary);
            background: var(--accent);
            border-color: var(--accent);
            box-shadow: var(--shadow-accent);
        }
        .nav-tab.active:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            color: var(--primary);
        }

        /* ===== Hero / Banner ===== */
        .category-hero {
            position: relative;
            padding: 80px 0 72px;
            background: var(--primary-dark) url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            background-blend-mode: overlay;
            min-height: 320px;
            display: flex;
            align-items: center;
            isolation: isolate;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,26,48,0.82) 0%, rgba(26,42,74,0.70) 60%, rgba(0,0,0,0.40) 100%);
            z-index: 1;
        }
        .category-hero .container { position: relative; z-index: 2; }
        .category-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
            line-height: 1.15;
        }
        .category-hero h1 i { color: var(--accent); margin-right: 12px; }
        .category-hero p {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.85);
            max-width: 680px;
            line-height: 1.7;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }

        /* ===== Section Spacing ===== */
        .section-block { padding: 72px 0; }
        .section-block.alt-bg { background: var(--bg-alt); }
        .section-block.dark-bg { background: var(--bg-dark); color: var(--text-light); }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 620px;
            margin-bottom: 40px;
            line-height: 1.7;
        }
        .dark-bg .section-subtitle { color: rgba(255,255,255,0.65); }
        .dark-bg .section-title { color: var(--text-light); }

        /* ===== Cards ===== */
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--accent);
        }
        .card-custom .card-img-top {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }
        .card-custom .card-body { padding: 24px; }
        .card-custom .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.35;
        }
        .card-custom .card-title a { color: var(--text-primary); }
        .card-custom .card-title a:hover { color: var(--accent); }
        .card-custom .card-text {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .card-tag {
            display: inline-block;
            padding: 3px 14px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            background: var(--bg-alt);
            color: var(--text-muted);
            margin-right: 6px;
            margin-bottom: 6px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .card-tag:hover { background: var(--accent); color: var(--primary); border-color: var(--accent); }
        .card-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 14px;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .card-meta i { margin-right: 4px; }

        /* ===== Buttons ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid transparent;
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
            line-height: 1.2;
        }
        .btn-custom:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); text-decoration: none; }
        .btn-accent {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }
        .btn-accent:hover { background: var(--accent-light); border-color: var(--accent-light); color: var(--primary); }
        .btn-outline-accent {
            background: transparent;
            color: var(--accent);
            border-color: var(--accent);
        }
        .btn-outline-accent:hover { background: var(--accent); color: var(--primary); }
        .btn-outline-light {
            background: transparent;
            color: var(--text-light);
            border-color: rgba(255,255,255,0.35);
        }
        .btn-outline-light:hover { background: rgba(255,255,255,0.10); border-color: var(--text-light); color: var(--text-light); }
        .btn-sm-custom {
            padding: 8px 20px;
            font-size: 0.88rem;
        }

        /* ===== Tags Cloud ===== */
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 20px 0 0;
        }
        .tags-cloud .tag-item {
            padding: 8px 22px;
            border-radius: 50px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-body);
            transition: var(--transition);
            cursor: pointer;
        }
        .tags-cloud .tag-item:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .tags-cloud .tag-item.active {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }

        /* ===== News List ===== */
        .news-list-item {
            display: flex;
            gap: 24px;
            padding: 24px 0;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .news-list-item:last-child { border-bottom: none; }
        .news-list-item:hover { padding-left: 8px; }
        .news-list-img {
            flex-shrink: 0;
            width: 220px;
            height: 148px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            background: var(--bg-alt);
        }
        .news-list-content { flex: 1; }
        .news-list-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .news-list-content h3 a { color: var(--text-primary); }
        .news-list-content h3 a:hover { color: var(--accent); }
        .news-list-content p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 10px;
        }
        .news-list-meta {
            display: flex;
            align-items: center;
            gap: 18px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .news-list-meta .badge-custom {
            background: var(--accent);
            color: var(--primary);
            padding: 2px 14px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
        }

        /* ===== Features Grid ===== */
        .feature-icon-box {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-md);
            background: var(--accent);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 18px;
            transition: var(--transition);
        }
        .card-custom:hover .feature-icon-box {
            background: var(--primary);
            color: var(--accent);
        }
        .feature-item h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .feature-item p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== Stats ===== */
        .stat-item {
            text-align: center;
            padding: 20px;
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.1;
            margin-bottom: 4px;
        }
        .stat-label {
            font-size: 1rem;
            color: rgba(255,255,255,0.75);
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
        .faq-question {
            padding: 20px 28px;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: var(--transition);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question i { color: var(--accent); transition: var(--transition); font-size: 1.1rem; }
        .faq-question[aria-expanded="true"] i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 28px 20px;
            color: var(--text-muted);
            line-height: 1.7;
            font-size: 0.95rem;
        }
        .faq-answer.collapse:not(.show) { display: none; }
        .faq-answer.collapsing { transition: height 0.3s ease; }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary-dark) url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            background-blend-mode: overlay;
            padding: 80px 0;
            text-align: center;
            isolation: isolate;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15,26,48,0.75);
            z-index: 1;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 14px;
        }
        .cta-section p {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.8);
            max-width: 580px;
            margin: 0 auto 32px;
        }

        /* ===== Pagination ===== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-top: 48px;
        }
        .page-link-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 44px;
            height: 44px;
            padding: 0 16px;
            border-radius: var(--radius-sm);
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            color: var(--text-body);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .page-link-custom:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            text-decoration: none;
        }
        .page-link-custom.active {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            font-weight: 700;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.7);
            padding: 56px 0 0;
            border-top: 4px solid var(--accent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .logo {
            font-size: 1.4rem;
            margin-bottom: 12px;
            display: inline-flex;
        }
        .footer-brand p { font-size: 0.92rem; line-height: 1.7; color: rgba(255,255,255,0.55); max-width: 320px; }
        .footer-col h5 {
            color: var(--text-light);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a {
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover { color: var(--accent); padding-left: 4px; text-decoration: none; }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom span { display: inline-flex; align-items: center; gap: 6px; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .category-hero h1 { font-size: 2.4rem; }
        }
        @media (max-width: 768px) {
            .header-top { flex-direction: column; align-items: stretch; gap: 8px; }
            .header-actions { justify-content: flex-end; }
            .header-search input { min-width: 100px; }
            .nav-tabs-wrapper { gap: 2px; padding-bottom: 8px; }
            .nav-tab { padding: 6px 16px; font-size: 0.85rem; }
            .nav-tab i { font-size: 0.8rem; }
            .category-hero { padding: 52px 0 48px; min-height: 240px; }
            .category-hero h1 { font-size: 1.8rem; }
            .category-hero p { font-size: 1rem; }
            .section-block { padding: 48px 0; }
            .section-title { font-size: 1.7rem; }
            .news-list-item { flex-direction: column; gap: 14px; }
            .news-list-img { width: 100%; height: 180px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .stat-number { font-size: 2.2rem; }
            .cta-section { padding: 56px 0; }
            .cta-section h2 { font-size: 1.7rem; }
            .tags-cloud .tag-item { padding: 6px 16px; font-size: 0.82rem; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 14px; }
            .nav-tab { padding: 5px 12px; font-size: 0.78rem; gap: 4px; }
            .nav-tab i { display: none; }
            .header-search input { min-width: 80px; font-size: 0.82rem; }
            .category-hero h1 { font-size: 1.5rem; }
            .category-hero p { font-size: 0.9rem; }
            .section-title { font-size: 1.4rem; }
            .card-custom .card-img-top { height: 160px; }
            .news-list-img { height: 140px; }
            .btn-custom { padding: 10px 24px; font-size: 0.9rem; }
            .pagination-wrap { gap: 4px; }
            .page-link-custom { min-width: 38px; height: 38px; font-size: 0.85rem; padding: 0 12px; }
        }

        /* ===== Bootstrap Overrides ===== */
        .btn { border-radius: 50px; font-weight: 600; }
        .btn-primary { background: var(--accent); border-color: var(--accent); color: var(--primary); }
        .btn-primary:hover { background: var(--accent-light); border-color: var(--accent-light); color: var(--primary); }
        .card { border: 1px solid var(--border-light); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); transition: var(--transition); }
        .card:hover { box-shadow: var(--shadow-md); }
        .badge { font-weight: 600; border-radius: 50px; padding: 4px 14px; }
        .badge.bg-warning { background: var(--accent) !important; color: var(--primary); }
        .form-control { border-radius: var(--radius-sm); border: 1px solid var(--border-color); padding: 10px 16px; }
        .form-control:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(212,168,67,0.20); }
        .accordion-button:not(.collapsed) { background: var(--accent); color: var(--primary); }
        .accordion-button:focus { box-shadow: 0 0 0 3px rgba(212,168,67,0.20); }