/* roulang page: index */
:root {
            --clr-bg: #1A1410;
            --clr-bg-card: #29211C;
            --clr-bg-elevated: #332922;
            --clr-primary: #D4A574;
            --clr-primary-hover: #E0B88A;
            --clr-secondary: #C4875A;
            --clr-accent: #E8C8A0;
            --clr-text: #F0E8E0;
            --clr-text-soft: #C8B8A8;
            --clr-text-muted: #A09080;
            --clr-border: #3D3028;
            --clr-border-light: #4D3D33;
            --clr-shadow: rgba(0,0,0,0.5);
            --radius: 10px;
            --radius-sm: 6px;
            --radius-lg: 16px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
            --shadow-elevated: 0 12px 48px rgba(0,0,0,0.6);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --font-serif: 'Georgia', 'Times New Roman', serif;
            --space-section: 5rem;
            --space-block: 2.5rem;
        }

        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: var(--font-sans);
            background-color: var(--clr-bg);
            color: var(--clr-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: var(--clr-primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--clr-primary-hover); }
        a:focus-visible { outline: 2px solid var(--clr-primary); outline-offset: 4px; border-radius: 2px; }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-weight: 600; line-height: 1.3; color: var(--clr-text); }
        h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); letter-spacing: -0.02em; }
        h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); letter-spacing: -0.01em; }
        h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
        p { margin-bottom: 1rem; color: var(--clr-text-soft); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
        .section { padding: var(--space-section) 0; }
        .section-title { text-align: center; margin-bottom: 0.75rem; }
        .section-subtitle { text-align: center; max-width: 640px; margin: 0 auto var(--space-block); color: var(--clr-text-muted); font-size: 1.05rem; }

        /* === Header / Nav (SaaS 命令栏风格) === */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(26, 20, 16, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--clr-border);
            padding: 0 1.5rem;
            height: 68px;
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            gap: 1rem;
        }
        .site-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--clr-accent);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        .site-logo i { color: var(--clr-primary); font-size: 1.2rem; }
        .site-logo:hover { color: var(--clr-primary-hover); }
        .nav-main { display: flex; align-items: center; gap: 0.25rem; flex: 1; justify-content: center; }
        .nav-main a {
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--clr-text-soft);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-main a:hover { color: var(--clr-text); background: rgba(212, 165, 116, 0.08); }
        .nav-main a.active {
            color: var(--clr-primary);
            background: rgba(212, 165, 116, 0.12);
        }
        .nav-main a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--clr-primary);
            border-radius: 2px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }
        .search-toggle {
            background: none;
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-sm);
            color: var(--clr-text-muted);
            padding: 0.4rem 0.8rem;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.85rem;
        }
        .search-toggle:hover {
            border-color: var(--clr-primary);
            color: var(--clr-primary);
            background: rgba(212, 165, 116, 0.06);
        }
        .search-toggle i { font-size: 0.9rem; }
        .search-toggle .shortcut {
            font-size: 0.7rem;
            padding: 0.1rem 0.35rem;
            background: rgba(255,255,255,0.06);
            border-radius: 4px;
            color: var(--clr-text-muted);
            margin-left: 0.2rem;
        }
        .btn-cta {
            background: var(--clr-primary);
            color: #1A1410;
            border: none;
            padding: 0.5rem 1.4rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            white-space: nowrap;
        }
        .btn-cta:hover { background: var(--clr-primary-hover); color: #1A1410; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(212, 165, 116, 0.3); }
        .btn-cta:active { transform: translateY(0); }
        .btn-outline {
            background: transparent;
            border: 1px solid var(--clr-border-light);
            color: var(--clr-text-soft);
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .btn-outline:hover { border-color: var(--clr-primary); color: var(--clr-primary); background: rgba(212, 165, 116, 0.06); }
        .hamburger { display: none; background: none; border: none; color: var(--clr-text); font-size: 1.4rem; cursor: pointer; padding: 0.25rem; }

        /* === Hero === */
        .hero {
            position: relative;
            min-height: 86vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            isolation: isolate;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26,20,16,0.7) 0%, rgba(26,20,16,0.85) 60%, var(--clr-bg) 100%);
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(212,165,116,0.08) 0%, transparent 70%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
            padding: 0 1.5rem;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(212, 165, 116, 0.15);
            border: 1px solid rgba(212, 165, 116, 0.25);
            color: var(--clr-primary);
            padding: 0.3rem 1rem;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 1.5rem;
            backdrop-filter: blur(4px);
        }
        .hero h1 { margin-bottom: 1rem; color: var(--clr-text); }
        .hero h1 span { color: var(--clr-primary); }
        .hero p {
            font-size: 1.15rem;
            color: var(--clr-text-soft);
            max-width: 560px;
            margin: 0 auto 2rem;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .hero-actions .btn-cta { padding: 0.75rem 2rem; font-size: 1.05rem; border-radius: var(--radius); }
        .hero-actions .btn-outline { padding: 0.75rem 2rem; font-size: 1.05rem; border-radius: var(--radius); }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 2.5rem;
            margin-top: 3rem;
            flex-wrap: wrap;
        }
        .stat-item { text-align: center; }
        .stat-number { font-size: 1.8rem; font-weight: 700; color: var(--clr-primary); line-height: 1.2; }
        .stat-label { font-size: 0.8rem; color: var(--clr-text-muted); margin-top: 0.2rem; }

        /* === Cards === */
        .card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius);
            padding: 1.8rem;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            border-color: var(--clr-border-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }
        .card-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(212, 165, 116, 0.12);
            border-radius: var(--radius-sm);
            color: var(--clr-primary);
            font-size: 1.3rem;
            margin-bottom: 1rem;
        }
        .card h3 { margin-bottom: 0.5rem; font-size: 1.15rem; }
        .card p { font-size: 0.9rem; color: var(--clr-text-muted); margin-bottom: 0; flex: 1; }
        .card-link { margin-top: 1rem; font-weight: 500; font-size: 0.9rem; color: var(--clr-primary); display: inline-flex; align-items: center; gap: 0.3rem; }
        .card-link i { font-size: 0.75rem; transition: var(--transition); }
        .card-link:hover i { transform: translateX(4px); }

        /* === Category Cards (large) === */
        .cat-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .cat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
            border-color: var(--clr-border-light);
        }
        .cat-card-image {
            height: 200px;
            background: center center / cover no-repeat;
            position: relative;
        }
        .cat-card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(26,20,16,0.8) 100%);
        }
        .cat-card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .cat-card-body h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }
        .cat-card-body p { font-size: 0.9rem; color: var(--clr-text-muted); flex: 1; margin-bottom: 1rem; }
        .cat-card-body .btn-outline { align-self: flex-start; }

        /* === News / CMS List === */
        .news-item {
            display: flex;
            gap: 1.2rem;
            padding: 1.2rem 0;
            border-bottom: 1px solid var(--clr-border);
            transition: var(--transition);
            align-items: flex-start;
        }
        .news-item:last-child { border-bottom: none; }
        .news-item:hover { padding-left: 0.5rem; }
        .news-thumb {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-sm);
            background: var(--clr-bg-card) center center / cover no-repeat;
            flex-shrink: 0;
            border: 1px solid var(--clr-border);
        }
        .news-info { flex: 1; min-width: 0; }
        .news-info h4 { font-size: 1rem; margin-bottom: 0.3rem; font-weight: 500; }
        .news-info h4 a { color: var(--clr-text); }
        .news-info h4 a:hover { color: var(--clr-primary); }
        .news-meta { display: flex; align-items: center; gap: 0.8rem; font-size: 0.8rem; color: var(--clr-text-muted); }
        .news-meta .tag {
            display: inline-block;
            background: rgba(212, 165, 116, 0.1);
            color: var(--clr-primary);
            padding: 0.1rem 0.5rem;
            border-radius: 4px;
            font-size: 0.7rem;
            font-weight: 500;
        }
        .news-meta i { margin-right: 0.2rem; }
        .news-excerpt { font-size: 0.85rem; color: var(--clr-text-muted); margin-top: 0.3rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

        /* === Steps / Process === */
        .steps-grid { counter-reset: step; }
        .step-card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: var(--transition);
            position: relative;
            height: 100%;
        }
        .step-card:hover { border-color: var(--clr-primary); transform: translateY(-3px); box-shadow: var(--shadow-card); }
        .step-number {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(212, 165, 116, 0.12);
            border-radius: 50%;
            color: var(--clr-primary);
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 auto 1rem;
        }
        .step-card h4 { font-size: 1rem; margin-bottom: 0.4rem; }
        .step-card p { font-size: 0.85rem; color: var(--clr-text-muted); margin-bottom: 0; }

        /* === Features (图文) === */
        .feature-block {
            display: flex;
            align-items: center;
            gap: 3rem;
            padding: 2rem 0;
        }
        .feature-block.reverse { flex-direction: row-reverse; }
        .feature-image {
            flex: 1;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--clr-border);
            box-shadow: var(--shadow-card);
            min-height: 280px;
            background: var(--clr-bg-card) center center / cover no-repeat;
        }
        .feature-text { flex: 1; }
        .feature-text h3 { font-size: 1.5rem; margin-bottom: 0.75rem; }
        .feature-text p { font-size: 0.95rem; color: var(--clr-text-muted); line-height: 1.8; }
        .feature-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
        .feature-tags span {
            background: rgba(212, 165, 116, 0.08);
            border: 1px solid rgba(212, 165, 116, 0.15);
            color: var(--clr-primary);
            padding: 0.2rem 0.8rem;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 500;
        }

        /* === FAQ === */
        .faq-item {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius);
            margin-bottom: 0.75rem;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--clr-border-light); }
        .faq-question {
            padding: 1.2rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 500;
            color: var(--clr-text);
            transition: var(--transition);
            user-select: none;
            gap: 1rem;
        }
        .faq-question i { color: var(--clr-primary); transition: var(--transition); font-size: 0.9rem; flex-shrink: 0; }
        .faq-question.open i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 1.5rem;
            color: var(--clr-text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 500px;
            padding: 0 1.5rem 1.2rem;
        }

        /* === CTA === */
        .cta-section {
            background: linear-gradient(135deg, rgba(41,33,28,0.95) 0%, rgba(26,20,16,0.98) 100%), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            border-radius: var(--radius-lg);
            padding: 4rem 2rem;
            text-align: center;
            border: 1px solid var(--clr-border);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(212,165,116,0.06) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section h2 { position: relative; z-index: 1; }
        .cta-section p { position: relative; z-index: 1; max-width: 520px; margin: 0.75rem auto 1.5rem; }
        .cta-section .btn-cta { position: relative; z-index: 1; padding: 0.75rem 2.5rem; font-size: 1.05rem; border-radius: var(--radius); }

        /* === Footer === */
        .site-footer {
            border-top: 1px solid var(--clr-border);
            padding: 3rem 0 2rem;
            margin-top: 2rem;
        }
        .footer-grid { display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; }
        .footer-brand { max-width: 280px; }
        .footer-brand h4 { font-size: 1.1rem; color: var(--clr-accent); margin-bottom: 0.5rem; }
        .footer-brand p { font-size: 0.85rem; color: var(--clr-text-muted); }
        .footer-links h5 { font-size: 0.85rem; color: var(--clr-text-soft); margin-bottom: 0.75rem; font-weight: 600; letter-spacing: 0.04em; }
        .footer-links a { display: block; font-size: 0.85rem; color: var(--clr-text-muted); padding: 0.25rem 0; }
        .footer-links a:hover { color: var(--clr-primary); }
        .footer-bottom {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--clr-border);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.8rem;
            color: var(--clr-text-muted);
        }
        .footer-bottom a { color: var(--clr-text-muted); }
        .footer-bottom a:hover { color: var(--clr-primary); }
        .footer-social { display: flex; gap: 0.75rem; }
        .footer-social a {
            width: 32px; height: 32px;
            display: flex; align-items: center; justify-content: center;
            border: 1px solid var(--clr-border);
            border-radius: 50%;
            color: var(--clr-text-muted);
            font-size: 0.85rem;
            transition: var(--transition);
        }
        .footer-social a:hover { border-color: var(--clr-primary); color: var(--clr-primary); background: rgba(212,165,116,0.08); }

        /* === Responsive === */
        @media (max-width: 1024px) {
            .feature-block { flex-direction: column; gap: 1.5rem; }
            .feature-block.reverse { flex-direction: column; }
            .feature-image { width: 100%; min-height: 220px; }
        }

        @media (max-width: 768px) {
            :root { --space-section: 3rem; --space-block: 1.5rem; }
            .nav-main { display: none; }
            .nav-main.mobile-open { display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: rgba(26,20,16,0.98); backdrop-filter: blur(16px); border-bottom: 1px solid var(--clr-border); padding: 1rem; gap: 0.25rem; }
            .hamburger { display: block; }
            .search-toggle .shortcut { display: none; }
            .search-toggle span { display: none; }
            .header-actions .btn-cta span { display: none; }
            .hero { min-height: 70vh; }
            .hero-stats { gap: 1.5rem; }
            .stat-number { font-size: 1.4rem; }
            .news-item { flex-direction: column; }
            .news-thumb { width: 100%; height: 140px; }
            .footer-grid { flex-direction: column; gap: 1.5rem; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-section { padding: 2.5rem 1.5rem; }
            .cat-card-image { height: 160px; }
        }

        @media (max-width: 520px) {
            .site-header { padding: 0 1rem; }
            .container { padding: 0 1rem; }
            .hero h1 { font-size: 1.8rem; }
            .hero p { font-size: 0.95rem; }
            .hero-actions .btn-cta, .hero-actions .btn-outline { padding: 0.6rem 1.2rem; font-size: 0.9rem; width: 100%; justify-content: center; }
            .hero-actions { flex-direction: column; width: 100%; }
            .card { padding: 1.2rem; }
            .steps-grid .cell { margin-bottom: 0.5rem; }
            .stat-number { font-size: 1.2rem; }
        }

        /* === Utils === */
        .text-center { text-align: center; }
        .mt-1 { margin-top: 0.5rem; }
        .mt-2 { margin-top: 1rem; }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .gap-1 { gap: 0.5rem; }
        .gap-2 { gap: 1rem; }

        /* === Smooth fade-in on scroll (simple) === */
        .fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
        .fade-in.visible { opacity: 1; transform: translateY(0); }

/* roulang page: article */
:root {
            --clr-primary: #8B1A1A;
            --clr-primary-dark: #6B1010;
            --clr-primary-light: #B83A3A;
            --clr-secondary: #D4A56A;
            --clr-secondary-light: #E8C99B;
            --clr-accent: #C5944A;
            --clr-dark: #1A1A1A;
            --clr-dark-alt: #2D2A24;
            --clr-body: #F5F0E8;
            --clr-card: #FEFCF7;
            --clr-text: #2C2822;
            --clr-text-light: #6B6560;
            --clr-border: #D9D0C4;
            --clr-border-light: #EBE3D8;
            --clr-badge-bg: #F0E6D8;
            --clr-shadow: rgba(139, 26, 26, 0.08);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px var(--clr-shadow);
            --shadow-md: 0 6px 24px var(--clr-shadow);
            --shadow-lg: 0 12px 48px rgba(139, 26, 26, 0.12);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-serif: 'Georgia', 'Noto Serif SC', serif;
            --font-sans: 'Inter', -apple-system, 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }

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

        html { scroll-behavior: smooth; }

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

        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--clr-primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--clr-primary-dark); }
        ul, ol { list-style: none; padding: 0; }
        button, input, textarea { font-family: inherit; }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media screen and (max-width: 639px) {
            .container { padding: 0 16px; }
        }

        /* ===== Header & Nav ===== */
        .site-header {
            background: var(--clr-card);
            border-bottom: 1px solid var(--clr-border-light);
            position: sticky;
            top: 0;
            z-index: 100;
            height: var(--nav-height);
            box-shadow: 0 1px 4px var(--clr-shadow);
        }

        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--clr-primary);
            letter-spacing: 0.5px;
        }
        .logo i { font-size: 1.4rem; color: var(--clr-secondary); }
        .logo:hover { color: var(--clr-primary); opacity: 0.9; }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-main a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--clr-text-light);
            transition: var(--transition);
            position: relative;
        }
        .nav-main a:hover { color: var(--clr-primary); background: rgba(139,26,26,0.06); }
        .nav-main a.active {
            color: var(--clr-primary);
            background: rgba(139,26,26,0.08);
            font-weight: 600;
        }
        .nav-main a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--clr-secondary);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--clr-body);
            border: 1px solid var(--clr-border-light);
            border-radius: 40px;
            padding: 0 12px;
            transition: var(--transition);
        }
        .search-box:focus-within { border-color: var(--clr-secondary); box-shadow: 0 0 0 3px rgba(212,165,106,0.2); }
        .search-box input {
            border: none;
            background: transparent;
            padding: 8px 6px;
            font-size: 0.9rem;
            color: var(--clr-text);
            outline: none;
            width: 140px;
        }
        .search-box input::placeholder { color: var(--clr-text-light); }
        .search-box button {
            background: none;
            border: none;
            color: var(--clr-text-light);
            cursor: pointer;
            padding: 6px;
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .search-box button:hover { color: var(--clr-primary); }

        .btn-cta-nav {
            background: var(--clr-primary);
            color: #fff !important;
            padding: 8px 22px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .btn-cta-nav:hover { background: var(--clr-primary-dark); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(139,26,26,0.25); }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--clr-primary);
            cursor: pointer;
            padding: 4px;
        }

        @media screen and (max-width: 768px) {
            .nav-main { display: none; }
            .nav-actions .search-box { display: none; }
            .nav-actions .btn-cta-nav { display: none; }
            .mobile-toggle { display: block; }
            .nav-main.is-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--clr-card);
                border-bottom: 2px solid var(--clr-border);
                padding: 16px 24px;
                gap: 6px;
                box-shadow: var(--shadow-md);
            }
            .nav-main.is-open a { padding: 12px 16px; width: 100%; border-radius: var(--radius-sm); }
            .nav-main.is-open a.active::after { display: none; }
            .nav-main.is-open a.active { background: rgba(139,26,26,0.08); }
        }

        @media screen and (max-width: 480px) {
            .logo { font-size: 1.05rem; }
            .header-inner { padding: 0 12px; }
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 60px 0 50px;
            background: linear-gradient(135deg, var(--clr-dark-alt) 0%, #3A322A 100%);
            min-height: 280px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .article-hero .container { position: relative; z-index: 1; width: 100%; }

        .article-hero-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            margin-bottom: 18px;
        }
        .article-hero-meta .badge-cat {
            background: var(--clr-secondary);
            color: var(--clr-dark);
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .article-hero-meta .date {
            color: rgba(255,255,255,0.7);
            font-size: 0.85rem;
        }
        .article-hero-meta .date i { margin-right: 4px; }

        .article-hero h1 {
            font-family: var(--font-serif);
            font-size: 2.6rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            max-width: 900px;
            text-shadow: 0 2px 12px rgba(0,0,0,0.3);
        }
        .article-hero p.desc {
            color: rgba(255,255,255,0.85);
            font-size: 1.1rem;
            margin-top: 16px;
            max-width: 720px;
            line-height: 1.7;
        }

        @media screen and (max-width: 768px) {
            .article-hero { padding: 40px 0 36px; min-height: 200px; }
            .article-hero h1 { font-size: 1.8rem; }
            .article-hero p.desc { font-size: 0.95rem; }
        }
        @media screen and (max-width: 480px) {
            .article-hero h1 { font-size: 1.5rem; }
        }

        /* ===== Article Content ===== */
        .article-section {
            padding: 50px 0 60px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }

        .article-body {
            background: var(--clr-card);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border-light);
        }

        .article-body .content {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--clr-text);
        }
        .article-body .content p { margin-bottom: 1.4em; }
        .article-body .content h2, .article-body .content h3 {
            font-family: var(--font-serif);
            margin-top: 1.8em;
            margin-bottom: 0.8em;
            color: var(--clr-dark);
        }
        .article-body .content h2 { font-size: 1.6rem; }
        .article-body .content h3 { font-size: 1.25rem; }
        .article-body .content ul, .article-body .content ol {
            padding-left: 1.6em;
            margin-bottom: 1.4em;
        }
        .article-body .content ul { list-style: disc; }
        .article-body .content ol { list-style: decimal; }
        .article-body .content li { margin-bottom: 0.4em; }
        .article-body .content blockquote {
            border-left: 4px solid var(--clr-secondary);
            padding: 16px 20px;
            margin: 1.6em 0;
            background: rgba(212,165,106,0.08);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--clr-text-light);
            font-style: italic;
        }
        .article-body .content img {
            border-radius: var(--radius-md);
            margin: 1.6em 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body .content a { color: var(--clr-primary); text-decoration: underline; text-underline-offset: 3px; }
        .article-body .content a:hover { color: var(--clr-primary-dark); }

        .article-body .content .not-found {
            text-align: center;
            padding: 60px 20px;
            color: var(--clr-text-light);
        }
        .article-body .content .not-found i { font-size: 3rem; color: var(--clr-border); margin-bottom: 16px; }
        .article-body .content .not-found p { font-size: 1.1rem; }
        .article-body .content .not-found a { display: inline-block; margin-top: 16px; padding: 10px 28px; background: var(--clr-primary); color: #fff; border-radius: 40px; text-decoration: none; }
        .article-body .content .not-found a:hover { background: var(--clr-primary-dark); }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--clr-border-light);
        }
        .article-tags .tag {
            background: var(--clr-badge-bg);
            color: var(--clr-text-light);
            padding: 5px 16px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .article-tags .tag:hover { background: var(--clr-secondary-light); color: var(--clr-dark); }

        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 20px;
        }
        .article-share span { font-size: 0.9rem; color: var(--clr-text-light); font-weight: 500; }
        .article-share a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--clr-badge-bg);
            color: var(--clr-text-light);
            transition: var(--transition);
            font-size: 1rem;
        }
        .article-share a:hover { background: var(--clr-primary); color: #fff; transform: translateY(-2px); }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .sidebar-card {
            background: var(--clr-card);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border-light);
        }
        .sidebar-card h4 {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            margin-bottom: 18px;
            color: var(--clr-dark);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--clr-secondary-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h4 i { color: var(--clr-secondary); }

        .sidebar-list { display: flex; flex-direction: column; gap: 10px; }
        .sidebar-list a {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            color: var(--clr-text);
        }
        .sidebar-list a:hover { background: var(--clr-badge-bg); color: var(--clr-primary); }
        .sidebar-list a .num {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--clr-badge-bg);
            border-radius: 50%;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--clr-primary);
        }
        .sidebar-list a .text { font-size: 0.9rem; line-height: 1.4; }
        .sidebar-list a .text small { display: block; font-size: 0.75rem; color: var(--clr-text-light); margin-top: 2px; }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-primary-dark) 100%);
            color: #fff;
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
        }
        .sidebar-cta h4 { font-family: var(--font-serif); font-size: 1.15rem; margin-bottom: 10px; border: none; color: #fff; }
        .sidebar-cta p { font-size: 0.88rem; opacity: 0.9; margin-bottom: 18px; }
        .sidebar-cta a {
            display: inline-block;
            background: var(--clr-secondary);
            color: var(--clr-dark);
            padding: 10px 28px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .sidebar-cta a:hover { background: #fff; color: var(--clr-primary); transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,0.2); }

        @media screen and (max-width: 968px) {
            .article-layout { grid-template-columns: 1fr; gap: 32px; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
        }
        @media screen and (max-width: 640px) {
            .article-body { padding: 24px 18px; }
            .article-sidebar { grid-template-columns: 1fr; }
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 50px 0 60px;
            background: var(--clr-card);
            border-top: 1px solid var(--clr-border-light);
        }
        .related-section h3 {
            font-family: var(--font-serif);
            font-size: 1.6rem;
            text-align: center;
            margin-bottom: 36px;
            color: var(--clr-dark);
        }
        .related-section h3 i { color: var(--clr-secondary); margin-right: 8px; }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--clr-body);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--clr-border-light);
            transition: var(--transition);
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .related-card img { width: 100%; height: 180px; object-fit: cover; }
        .related-card .info { padding: 20px 18px; }
        .related-card .info h4 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; color: var(--clr-dark); }
        .related-card .info h4 a { color: inherit; }
        .related-card .info h4 a:hover { color: var(--clr-primary); }
        .related-card .info p { font-size: 0.85rem; color: var(--clr-text-light); line-height: 1.6; }
        .related-card .info .meta { display: flex; align-items: center; gap: 12px; margin-top: 12px; font-size: 0.75rem; color: var(--clr-text-light); }

        @media screen and (max-width: 868px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media screen and (max-width: 520px) {
            .related-grid { grid-template-columns: 1fr; }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--clr-dark-alt);
            color: rgba(255,255,255,0.85);
            padding: 50px 0 30px;
            border-top: 3px solid var(--clr-secondary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand h4 { font-family: var(--font-serif); font-size: 1.2rem; color: #fff; margin-bottom: 10px; }
        .footer-brand p { font-size: 0.88rem; line-height: 1.7; opacity: 0.8; max-width: 300px; }
        .footer-links h5 { color: var(--clr-secondary); font-size: 0.95rem; margin-bottom: 14px; font-weight: 600; }
        .footer-links a { display: block; color: rgba(255,255,255,0.7); font-size: 0.88rem; padding: 4px 0; transition: var(--transition); }
        .footer-links a:hover { color: var(--clr-secondary); padding-left: 4px; }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.82rem;
            color: rgba(255,255,255,0.6);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a { color: rgba(255,255,255,0.6); font-size: 1.1rem; transition: var(--transition); }
        .footer-social a:hover { color: var(--clr-secondary); transform: translateY(-2px); }

        @media screen and (max-width: 868px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
            .footer-brand { grid-column: 1 / -1; }
        }
        @media screen and (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 16px;
        }
        .breadcrumb a { color: rgba(255,255,255,0.8); }
        .breadcrumb a:hover { color: #fff; }
        .breadcrumb span { color: var(--clr-secondary); }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mt-1 { margin-top: 10px; }
        .mt-2 { margin-top: 20px; }
        .mt-3 { margin-top: 30px; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --clr-primary: #1a3a5c;
            --clr-primary-light: #2a5a8c;
            --clr-primary-dark: #0f2440;
            --clr-accent: #c8a96e;
            --clr-accent-light: #e0c89a;
            --clr-accent-dark: #a8884e;
            --clr-bg: #f8f6f2;
            --clr-bg-alt: #ede9e1;
            --clr-bg-card: #ffffff;
            --clr-text: #2c2a28;
            --clr-text-light: #6b6560;
            --clr-text-inverse: #f5f0ea;
            --clr-border: #d9d2c8;
            --clr-success: #4a7c59;
            --clr-warning: #b88a44;
            --clr-error: #b84a4a;
            --radius: 12px;
            --radius-sm: 6px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(26, 58, 92, 0.08);
            --shadow-hover: 0 12px 40px rgba(26, 58, 92, 0.15);
            --shadow-btn: 0 4px 12px rgba(26, 58, 92, 0.2);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --spacer: 4rem;
            --spacer-sm: 2rem;
            --spacer-lg: 6rem;
        }

        /* ===== Reset / Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: var(--font-sans);
            background: var(--clr-bg);
            color: var(--clr-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--clr-primary-light); text-decoration: none; transition: var(--transition); }
        a:hover, a:focus { color: var(--clr-accent-dark); }
        a:focus-visible { outline: 3px solid var(--clr-accent); outline-offset: 4px; border-radius: 4px; }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; color: var(--clr-primary); font-weight: 700; }
        h1 { font-size: 2.6rem; letter-spacing: -0.02em; }
        h2 { font-size: 2.0rem; letter-spacing: -0.01em; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.2rem; }
        p { margin-bottom: 1rem; color: var(--clr-text-light); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; width: 100%; }

        /* ===== Foundation 覆盖 ===== */
        .grid-container { max-width: 1200px; padding-left: 1.5rem; padding-right: 1.5rem; }
        .cell { margin-bottom: 1.5rem; }

        /* ===== 导航 ===== */
        .site-header {
            background: var(--clr-primary-dark);
            border-bottom: 2px solid var(--clr-accent);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 24px rgba(0,0,0,0.25);
            backdrop-filter: blur(4px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 1.5rem;
        }
        .logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--clr-text-inverse);
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            white-space: nowrap;
        }
        .logo i { color: var(--clr-accent); font-size: 1.2rem; }
        .logo:hover { color: var(--clr-accent-light); }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex: 1;
            justify-content: center;
        }
        .nav-main a {
            color: rgba(245, 240, 234, 0.75);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.5rem 1.1rem;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.3px;
        }
        .nav-main a:hover {
            color: var(--clr-text-inverse);
            background: rgba(200, 169, 110, 0.15);
        }
        .nav-main a.active {
            color: var(--clr-text-inverse);
            background: rgba(200, 169, 110, 0.2);
        }
        .nav-main a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 1.1rem;
            right: 1.1rem;
            height: 3px;
            background: var(--clr-accent);
            border-radius: 3px 3px 0 0;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }
        .search-toggle {
            background: rgba(245, 240, 234, 0.1);
            border: 1px solid rgba(200, 169, 110, 0.25);
            color: var(--clr-text-inverse);
            padding: 0.45rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-toggle:hover { background: rgba(200, 169, 110, 0.2); border-color: var(--clr-accent); }
        .search-toggle i { color: var(--clr-accent); font-size: 0.8rem; }
        .search-toggle span { opacity: 0.7; }
        .btn-header-cta {
            background: var(--clr-accent);
            color: var(--clr-primary-dark) !important;
            padding: 0.5rem 1.4rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.85rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: var(--shadow-btn);
        }
        .btn-header-cta:hover { background: var(--clr-accent-light); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(200, 169, 110, 0.3); }
        .mobile-toggle { display: none; background: none; border: none; color: var(--clr-text-inverse); font-size: 1.5rem; cursor: pointer; padding: 0.25rem; }

        /* ===== 分类 Banner ===== */
        .category-banner {
            background: linear-gradient(135deg, var(--clr-primary-dark) 0%, var(--clr-primary) 60%, var(--clr-primary-light) 100%);
            padding: 4rem 0 3.5rem;
            position: relative;
            overflow: hidden;
            border-bottom: 3px solid var(--clr-accent);
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }
        .category-banner .container { position: relative; z-index: 2; }
        .category-banner h1 {
            color: var(--clr-text-inverse);
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            text-shadow: 0 2px 12px rgba(0,0,0,0.3);
        }
        .category-banner h1 i { color: var(--clr-accent); margin-right: 0.5rem; }
        .category-banner p {
            color: rgba(245, 240, 234, 0.85);
            font-size: 1.15rem;
            max-width: 680px;
            line-height: 1.7;
        }
        .breadcrumb {
            display: flex;
            gap: 0.5rem;
            align-items: center;
            margin-bottom: 1.2rem;
            font-size: 0.9rem;
            color: rgba(245, 240, 234, 0.6);
        }
        .breadcrumb a { color: rgba(245, 240, 234, 0.7); }
        .breadcrumb a:hover { color: var(--clr-accent-light); }
        .breadcrumb span { color: var(--clr-accent); }

        /* ===== 板块通用 ===== */
        .section { padding: var(--spacer) 0; }
        .section-alt { background: var(--clr-bg-alt); }
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-title h2 { position: relative; display: inline-block; }
        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--clr-accent);
            margin: 0.8rem auto 0;
            border-radius: 4px;
        }
        .section-title p { max-width: 600px; margin: 0.8rem auto 0; font-size: 1.05rem; }

        /* ===== 卡片 ===== */
        .card {
            background: var(--clr-bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--clr-border);
            height: 100%;
        }
        .card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
        .card-img { width: 100%; height: 200px; object-fit: cover; background: var(--clr-bg-alt); }
        .card-body { padding: 1.5rem; }
        .card-body h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
        .card-body h3 a { color: var(--clr-primary); }
        .card-body h3 a:hover { color: var(--clr-accent-dark); }
        .card-body p { font-size: 0.95rem; margin-bottom: 0.8rem; color: var(--clr-text-light); }
        .card-meta { font-size: 0.8rem; color: var(--clr-text-light); display: flex; gap: 1rem; align-items: center; }
        .card-meta i { margin-right: 0.3rem; color: var(--clr-accent); }
        .card-tag {
            display: inline-block;
            background: rgba(200, 169, 110, 0.15);
            color: var(--clr-accent-dark);
            padding: 0.15rem 0.7rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        /* ===== 步骤流程 ===== */
        .steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 2rem; counter-reset: step; }
        .step-card {
            background: var(--clr-bg-card);
            border-radius: var(--radius);
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--clr-border);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .step-card::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            width: 32px;
            height: 32px;
            background: var(--clr-accent);
            color: var(--clr-primary-dark);
            font-weight: 800;
            font-size: 0.9rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(200, 169, 110, 0.3);
        }
        .step-card i { font-size: 2.2rem; color: var(--clr-primary); margin-bottom: 1rem; }
        .step-card h4 { font-size: 1.1rem; margin-bottom: 0.4rem; }
        .step-card p { font-size: 0.9rem; margin-bottom: 0; color: var(--clr-text-light); }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item {
            background: var(--clr-bg-card);
            border-radius: var(--radius);
            margin-bottom: 0.75rem;
            border: 1px solid var(--clr-border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--clr-accent); }
        .faq-question {
            padding: 1.2rem 1.5rem;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--clr-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question i { color: var(--clr-accent); transition: var(--transition); font-size: 0.9rem; }
        .faq-question[aria-expanded="true"] i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 1.5rem 1.2rem;
            color: var(--clr-text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open { display: block; }
        .faq-answer p:last-child { margin-bottom: 0; }

        /* ===== 统计数字 ===== */
        .stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 2rem; text-align: center; }
        .stat-item { padding: 1.5rem; }
        .stat-number { font-size: 2.8rem; font-weight: 800; color: var(--clr-primary); line-height: 1.2; }
        .stat-number span { color: var(--clr-accent); }
        .stat-label { font-size: 0.95rem; color: var(--clr-text-light); margin-top: 0.3rem; }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--clr-primary-dark) 0%, var(--clr-primary) 100%);
            border-radius: var(--radius-lg);
            padding: 3.5rem 3rem;
            text-align: center;
            position: relative;
            overflow: hidden;
            border: 1px solid var(--clr-accent);
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-block h2 { color: var(--clr-text-inverse); font-size: 2rem; position: relative; z-index: 2; }
        .cta-block p { color: rgba(245, 240, 234, 0.8); max-width: 560px; margin: 0.8rem auto 1.8rem; position: relative; z-index: 2; }
        .cta-block .btn { position: relative; z-index: 2; }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.8rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-primary { background: var(--clr-accent); color: var(--clr-primary-dark) !important; box-shadow: var(--shadow-btn); }
        .btn-primary:hover { background: var(--clr-accent-light); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(200, 169, 110, 0.35); }
        .btn-outline { background: transparent; border: 2px solid var(--clr-accent); color: var(--clr-accent) !important; }
        .btn-outline:hover { background: var(--clr-accent); color: var(--clr-primary-dark) !important; transform: translateY(-2px); }
        .btn-secondary { background: var(--clr-primary); color: var(--clr-text-inverse) !important; }
        .btn-secondary:hover { background: var(--clr-primary-light); transform: translateY(-2px); }
        .btn-sm { padding: 0.45rem 1.2rem; font-size: 0.85rem; }

        /* ===== 标签列表 ===== */
        .tag-list { display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: center; }
        .tag {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            padding: 0.4rem 1.2rem;
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--clr-text-light);
            transition: var(--transition);
            cursor: default;
        }
        .tag:hover { border-color: var(--clr-accent); color: var(--clr-accent-dark); background: rgba(200, 169, 110, 0.05); }
        .tag i { margin-right: 0.3rem; color: var(--clr-accent); font-size: 0.75rem; }

        /* ===== 分隔线 ===== */
        .divider { width: 80px; height: 4px; background: var(--clr-accent); border-radius: 4px; margin: 0 auto 1.5rem; }

        /* ===== 图文区块 ===== */
        .feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
        .feature-grid.reverse { direction: rtl; }
        .feature-grid.reverse > * { direction: ltr; }
        .feature-img { border-radius: var(--radius); box-shadow: var(--shadow-hover); overflow: hidden; }
        .feature-img img { width: 100%; height: 320px; object-fit: cover; }
        .feature-content h3 { font-size: 1.6rem; margin-bottom: 0.8rem; }
        .feature-content p { font-size: 1rem; }
        .feature-content ul { margin-top: 1rem; }
        .feature-content ul li { padding: 0.4rem 0; display: flex; align-items: center; gap: 0.6rem; color: var(--clr-text-light); font-size: 0.95rem; }
        .feature-content ul li i { color: var(--clr-accent); width: 1.2rem; }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--clr-primary-dark);
            color: rgba(245, 240, 234, 0.7);
            padding: 3.5rem 0 0;
            border-top: 3px solid var(--clr-accent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(200, 169, 110, 0.2);
        }
        .footer-brand h4 { color: var(--clr-text-inverse); font-size: 1.2rem; margin-bottom: 0.8rem; display: flex; align-items: center; }
        .footer-brand p { font-size: 0.9rem; color: rgba(245, 240, 234, 0.6); max-width: 320px; }
        .footer-links h5 { color: var(--clr-text-inverse); font-size: 0.95rem; margin-bottom: 1rem; font-weight: 600; }
        .footer-links a { display: block; color: rgba(245, 240, 234, 0.6); font-size: 0.88rem; padding: 0.3rem 0; transition: var(--transition); }
        .footer-links a:hover { color: var(--clr-accent-light); padding-left: 4px; }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 0;
            font-size: 0.85rem;
            color: rgba(245, 240, 234, 0.5);
            flex-wrap: wrap;
            gap: 1rem;
        }
        .footer-social { display: flex; gap: 0.8rem; }
        .footer-social a { color: rgba(245, 240, 234, 0.5); font-size: 1.1rem; transition: var(--transition); }
        .footer-social a:hover { color: var(--clr-accent); transform: translateY(-2px); }

        /* ===== Foundation 网格覆盖 ===== */
        .grid-x { margin: 0 -0.75rem; }
        .cell { padding: 0 0.75rem; }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .feature-grid { grid-template-columns: 1fr; gap: 2rem; }
            .feature-grid.reverse { direction: ltr; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
            .category-banner h1 { font-size: 2.2rem; }
        }
        @media (max-width: 768px) {
            .mobile-toggle { display: block; }
            .nav-main {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: var(--clr-primary-dark);
                flex-direction: column;
                padding: 1rem 1.5rem 1.5rem;
                gap: 0.25rem;
                border-bottom: 2px solid var(--clr-accent);
                box-shadow: 0 12px 40px rgba(0,0,0,0.3);
            }
            .nav-main.open { display: flex; }
            .nav-main a { width: 100%; padding: 0.7rem 1rem; border-radius: var(--radius-sm); }
            .nav-main a.active::after { display: none; }
            .nav-main a.active { background: rgba(200, 169, 110, 0.2); }
            .header-actions .search-toggle span { display: none; }
            .header-actions .btn-header-cta { padding: 0.45rem 1rem; font-size: 0.8rem; }
            .category-banner { padding: 2.5rem 0 2rem; }
            .category-banner h1 { font-size: 1.8rem; }
            .category-banner p { font-size: 1rem; }
            h2 { font-size: 1.6rem; }
            .section { padding: var(--spacer-sm) 0; }
            .steps-grid { grid-template-columns: 1fr 1fr; gap: 1.2rem; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
            .stat-number { font-size: 2rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 1.8rem; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-block { padding: 2.5rem 1.5rem; }
            .cta-block h2 { font-size: 1.5rem; }
            .faq-question { font-size: 0.95rem; padding: 1rem 1.2rem; }
            .faq-answer { padding: 0 1.2rem 1rem; }
        }
        @media (max-width: 520px) {
            .header-inner { height: 60px; gap: 0.75rem; }
            .logo { font-size: 1.1rem; }
            .steps-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr; }
            .category-banner h1 { font-size: 1.5rem; }
            .card-img { height: 160px; }
            .section-title { margin-bottom: 2rem; }
            .search-toggle { padding: 0.35rem 0.7rem; }
        }

        /* ===== 辅助类 ===== */
        .text-center { text-align: center; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .gap-1 { gap: 1rem; }
        .flex-center { display: flex; align-items: center; justify-content: center; }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --clr-primary: #9b6b43;
            --clr-primary-dark: #7a5234;
            --clr-primary-light: #c49a7a;
            --clr-secondary: #5c3d2e;
            --clr-accent: #d4a574;
            --clr-bg: #f5efe8;
            --clr-bg-alt: #ede3d6;
            --clr-bg-dark: #2c1f16;
            --clr-text: #2c1f16;
            --clr-text-light: #6b5a4a;
            --clr-text-inverse: #f5efe8;
            --clr-border: #d6c9ba;
            --clr-border-light: #e8ddd0;
            --clr-card-bg: #fcf9f5;
            --clr-shadow: rgba(44, 31, 22, 0.12);
            --radius: 12px;
            --radius-sm: 6px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(44, 31, 22, 0.08);
            --shadow-hover: 0 12px 36px rgba(44, 31, 22, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-serif: 'Georgia', 'Noto Serif SC', serif;
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
            --nav-h: 72px;
            --max-w: 1200px;
            --gap: 2rem;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            background: var(--clr-bg);
            color: var(--clr-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--clr-primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--clr-primary-dark); }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-family: var(--font-serif); font-weight: 700; line-height: 1.3; color: var(--clr-text); }
        .container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; width: 100%; }

        /* ===== 导航栏 ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            height: var(--nav-h);
            background: rgba(252, 249, 245, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--clr-border-light);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled { box-shadow: 0 2px 24px var(--clr-shadow); }
        .header-inner {
            max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem;
            display: flex; align-items: center; justify-content: space-between;
            height: 100%;
        }
        .logo a {
            display: flex; align-items: center; gap: 0.5rem;
            font-family: var(--font-serif); font-size: 1.35rem; font-weight: 700;
            color: var(--clr-text); letter-spacing: 0.02em;
        }
        .logo a i { color: var(--clr-primary); font-size: 1.4rem; }
        .logo a:hover { color: var(--clr-primary); }
        .nav-main { display: flex; align-items: center; gap: 0.25rem; }
        .nav-main a {
            padding: 0.5rem 1rem; border-radius: var(--radius-sm);
            font-size: 0.95rem; font-weight: 500; color: var(--clr-text-light);
            transition: all var(--transition); position: relative;
        }
        .nav-main a:hover { color: var(--clr-primary); background: rgba(155, 107, 67, 0.08); }
        .nav-main a.active {
            color: var(--clr-primary); background: rgba(155, 107, 67, 0.12);
            font-weight: 600;
        }
        .nav-main a.active::after {
            content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
            width: 20px; height: 2px; background: var(--clr-primary); border-radius: 1px;
        }
        .nav-actions { display: flex; align-items: center; gap: 0.75rem; }
        .search-toggle {
            width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
            border-radius: 50%; border: 1px solid var(--clr-border-light);
            background: transparent; color: var(--clr-text-light); cursor: pointer;
            transition: all var(--transition); font-size: 1rem;
        }
        .search-toggle:hover { border-color: var(--clr-primary); color: var(--clr-primary); background: rgba(155, 107, 67, 0.05); }
        .btn-cta-nav {
            padding: 0.5rem 1.25rem; border-radius: var(--radius-sm);
            background: var(--clr-primary); color: #fff !important;
            font-weight: 600; font-size: 0.9rem; border: none; cursor: pointer;
            transition: all var(--transition);
        }
        .btn-cta-nav:hover { background: var(--clr-primary-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(155, 107, 67, 0.3); }
        .mobile-toggle { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; background: none; border: 1px solid var(--clr-border-light); border-radius: var(--radius-sm); cursor: pointer; font-size: 1.2rem; color: var(--clr-text); }

        /* ===== Hero ===== */
        .hero-inner {
            padding: calc(var(--nav-h) + 4rem) 0 4rem;
            background: var(--clr-bg-alt);
            border-bottom: 1px solid var(--clr-border-light);
            position: relative;
            overflow: hidden;
        }
        .hero-inner::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.12; pointer-events: none;
        }
        .hero-inner .container { position: relative; z-index: 1; }
        .hero-bread { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; color: var(--clr-text-light); margin-bottom: 1.5rem; flex-wrap: wrap; }
        .hero-bread a { color: var(--clr-primary); }
        .hero-bread span { color: var(--clr-text-light); }
        .hero-inner h1 {
            font-size: clamp(2rem, 5vw, 3.2rem);
            color: var(--clr-text);
            max-width: 720px;
            line-height: 1.25;
        }
        .hero-inner h1 i { color: var(--clr-primary); margin-right: 0.3rem; }
        .hero-inner .lead {
            font-size: 1.15rem; color: var(--clr-text-light);
            max-width: 600px; margin-top: 1rem;
        }
        .hero-stats { display: flex; gap: 2.5rem; margin-top: 2.5rem; flex-wrap: wrap; }
        .hero-stat { text-align: left; }
        .hero-stat .num { font-family: var(--font-serif); font-size: 2rem; font-weight: 700; color: var(--clr-primary); }
        .hero-stat .label { font-size: 0.9rem; color: var(--clr-text-light); }

        /* ===== 板块通用 ===== */
        .section { padding: 4.5rem 0; }
        .section-alt { background: var(--clr-bg-alt); }
        .section-dark { background: var(--clr-bg-dark); color: var(--clr-text-inverse); }
        .section-dark h2, .section-dark h3, .section-dark .section-sub { color: var(--clr-text-inverse); }
        .section-title {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            text-align: center; margin-bottom: 0.75rem;
        }
        .section-sub {
            text-align: center; color: var(--clr-text-light);
            max-width: 600px; margin: 0 auto 3rem; font-size: 1.05rem;
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: var(--gap);
        }
        .card {
            background: var(--clr-card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--clr-border-light);
            padding: 2rem 1.5rem;
            transition: all var(--transition);
            box-shadow: var(--shadow);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--clr-primary-light);
        }
        .card-icon { font-size: 2.2rem; color: var(--clr-primary); margin-bottom: 1rem; }
        .card h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }
        .card p { font-size: 0.95rem; color: var(--clr-text-light); line-height: 1.6; }
        .card-tag {
            display: inline-block; padding: 0.2rem 0.7rem; border-radius: 100px;
            background: rgba(155, 107, 67, 0.1); color: var(--clr-primary);
            font-size: 0.8rem; font-weight: 500; margin-top: 0.75rem;
        }

        /* ===== 流程步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 2rem;
            counter-reset: step;
        }
        .step-item {
            text-align: center; padding: 2rem 1.25rem;
            background: var(--clr-card-bg); border-radius: var(--radius);
            border: 1px solid var(--clr-border-light);
            position: relative;
            transition: all var(--transition);
        }
        .step-item:hover { border-color: var(--clr-primary-light); box-shadow: var(--shadow-hover); transform: translateY(-3px); }
        .step-item::before {
            counter-increment: step; content: counter(step);
            display: flex; align-items: center; justify-content: center;
            width: 48px; height: 48px; border-radius: 50%;
            background: var(--clr-primary); color: #fff;
            font-family: var(--font-serif); font-size: 1.3rem; font-weight: 700;
            margin: 0 auto 1rem;
        }
        .step-item h4 { font-size: 1.1rem; margin-bottom: 0.4rem; }
        .step-item p { font-size: 0.9rem; color: var(--clr-text-light); }

        /* ===== 图文区块 ===== */
        .media-row {
            display: grid; grid-template-columns: 1fr 1fr; gap: 3rem;
            align-items: center;
        }
        .media-row.reverse { direction: rtl; }
        .media-row.reverse > * { direction: ltr; }
        .media-image img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow-hover); border: 1px solid var(--clr-border-light); }
        .media-content h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin-bottom: 1rem; }
        .media-content p { color: var(--clr-text-light); margin-bottom: 1rem; font-size: 0.98rem; }
        .media-content ul { margin-top: 0.5rem; }
        .media-content ul li { padding: 0.35rem 0; display: flex; align-items: center; gap: 0.6rem; font-size: 0.95rem; color: var(--clr-text-light); }
        .media-content ul li i { color: var(--clr-primary); width: 1.2rem; text-align: center; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 0.75rem; }
        .faq-item {
            background: var(--clr-card-bg); border: 1px solid var(--clr-border-light);
            border-radius: var(--radius); overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:hover { border-color: var(--clr-primary-light); }
        .faq-q {
            padding: 1.25rem 1.5rem; display: flex; justify-content: space-between;
            align-items: center; cursor: pointer; font-weight: 600;
            font-size: 1rem; color: var(--clr-text);
            background: none; border: none; width: 100%; text-align: left;
            font-family: var(--font-sans); transition: background var(--transition);
        }
        .faq-q:hover { background: rgba(155, 107, 67, 0.04); }
        .faq-q i { color: var(--clr-primary); transition: transform var(--transition); font-size: 0.9rem; }
        .faq-item.open .faq-q i { transform: rotate(180deg); }
        .faq-a {
            padding: 0 1.5rem 1.25rem; color: var(--clr-text-light);
            font-size: 0.95rem; line-height: 1.7; display: none;
        }
        .faq-item.open .faq-a { display: block; }

        /* ===== CTA ===== */
        .cta-box {
            background: var(--clr-card-bg); border: 1px solid var(--clr-border-light);
            border-radius: var(--radius-lg); padding: 3rem 2.5rem;
            text-align: center; box-shadow: var(--shadow);
        }
        .cta-box h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin-bottom: 0.75rem; }
        .cta-box p { color: var(--clr-text-light); max-width: 560px; margin: 0 auto 1.5rem; }
        .btn-group { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
        .btn {
            display: inline-flex; align-items: center; gap: 0.5rem;
            padding: 0.75rem 2rem; border-radius: var(--radius-sm);
            font-weight: 600; font-size: 0.95rem; border: none; cursor: pointer;
            transition: all var(--transition); font-family: var(--font-sans);
        }
        .btn-primary { background: var(--clr-primary); color: #fff; }
        .btn-primary:hover { background: var(--clr-primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(155, 107, 67, 0.3); color: #fff; }
        .btn-outline { background: transparent; color: var(--clr-primary); border: 1.5px solid var(--clr-primary); }
        .btn-outline:hover { background: var(--clr-primary); color: #fff; transform: translateY(-2px); }

        /* ===== 数据/统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 2rem; text-align: center;
        }
        .stat-item { padding: 1.5rem; }
        .stat-item .num { font-family: var(--font-serif); font-size: 2.4rem; font-weight: 700; color: var(--clr-primary); }
        .stat-item .desc { font-size: 0.9rem; color: var(--clr-text-light); margin-top: 0.25rem; }

        /* ===== 标签列表 ===== */
        .tag-list { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; }
        .tag {
            padding: 0.4rem 1rem; border-radius: 100px;
            background: var(--clr-card-bg); border: 1px solid var(--clr-border-light);
            color: var(--clr-text-light); font-size: 0.85rem; font-weight: 500;
            transition: all var(--transition); cursor: default;
        }
        .tag:hover { border-color: var(--clr-primary); color: var(--clr-primary); background: rgba(155, 107, 67, 0.05); }

        /* ===== 文章卡片列表 ===== */
        .article-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: var(--gap); }
        .article-card {
            background: var(--clr-card-bg); border: 1px solid var(--clr-border-light);
            border-radius: var(--radius); overflow: hidden;
            transition: all var(--transition);
        }
        .article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--clr-primary-light); }
        .article-card img { width: 100%; height: 200px; object-fit: cover; }
        .article-card-body { padding: 1.25rem 1.5rem 1.5rem; }
        .article-card-body .meta { font-size: 0.8rem; color: var(--clr-text-light); margin-bottom: 0.4rem; }
        .article-card-body h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }
        .article-card-body h3 a { color: var(--clr-text); }
        .article-card-body h3 a:hover { color: var(--clr-primary); }
        .article-card-body p { font-size: 0.9rem; color: var(--clr-text-light); line-height: 1.6; }
        .article-card-body .read-more { display: inline-flex; align-items: center; gap: 0.3rem; margin-top: 0.75rem; font-weight: 500; font-size: 0.9rem; color: var(--clr-primary); }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--clr-bg-dark); color: var(--clr-text-inverse);
            padding: 3.5rem 0 0;
            border-top: 3px solid var(--clr-primary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand h4 { font-family: var(--font-serif); font-size: 1.3rem; margin-bottom: 0.75rem; color: var(--clr-text-inverse); display: flex; align-items: center; }
        .footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.6); line-height: 1.6; max-width: 320px; }
        .footer-links h5 { font-size: 0.95rem; color: var(--clr-text-inverse); margin-bottom: 1rem; font-family: var(--font-sans); font-weight: 600; }
        .footer-links a {
            display: block; padding: 0.3rem 0; font-size: 0.88rem;
            color: rgba(255,255,255,0.55); transition: all var(--transition);
        }
        .footer-links a:hover { color: var(--clr-accent); padding-left: 4px; }
        .footer-bottom {
            display: flex; justify-content: space-between; align-items: center;
            padding: 1.5rem 0; flex-wrap: wrap; gap: 1rem;
        }
        .footer-bottom span { font-size: 0.85rem; color: rgba(255,255,255,0.4); }
        .footer-social { display: flex; gap: 0.75rem; }
        .footer-social a {
            width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
            border-radius: 50%; background: rgba(255,255,255,0.06);
            color: rgba(255,255,255,0.5); transition: all var(--transition);
            font-size: 1rem;
        }
        .footer-social a:hover { background: var(--clr-primary); color: #fff; }

        /* ===== 移动端导航 ===== */
        @media (max-width: 768px) {
            .mobile-toggle { display: flex; }
            .nav-main {
                position: fixed; top: var(--nav-h); left: 0; right: 0;
                background: rgba(252, 249, 245, 0.98); backdrop-filter: blur(12px);
                flex-direction: column; padding: 1rem 1.5rem;
                border-bottom: 1px solid var(--clr-border-light);
                transform: translateY(-120%); opacity: 0;
                transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
                pointer-events: none;
                box-shadow: 0 12px 32px rgba(0,0,0,0.08);
            }
            .nav-main.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
            .nav-main a { padding: 0.75rem 1rem; width: 100%; border-radius: var(--radius-sm); }
            .nav-main a.active::after { display: none; }
            .nav-actions .btn-cta-nav { display: none; }
            .header-inner { padding: 0 1rem; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .media-row { grid-template-columns: 1fr; gap: 2rem; }
            .media-row.reverse { direction: ltr; }
            .hero-stats { gap: 1.5rem; }
            .hero-inner { padding: calc(var(--nav-h) + 2.5rem) 0 2.5rem; }
            .section { padding: 3rem 0; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; }
            .card-grid { grid-template-columns: 1fr; }
            .article-list { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .hero-stats { flex-direction: column; gap: 1rem; }
            .btn-group { flex-direction: column; align-items: center; }
            .cta-box { padding: 2rem 1.25rem; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ===== 工具类 ===== */
        .text-center { text-align: center; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }