/* roulang page: index */
:root {
            --primary: #0B5D46;
            --primary-dark: #083F32;
            --accent: #C77B2D;
            --accent-dark: #A9601C;
            --bg-dark: #10231D;
            --bg-light: #F6F4EF;
            --card-bg: #FFFFFF;
            --text-primary: #1C2B25;
            --text-secondary: #5B6D65;
            --border: #E3DFD6;
            --success: #2E8B6D;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 2px 8px rgba(16, 35, 29, 0.05);
            --shadow-hover: 0 10px 24px rgba(16, 35, 29, 0.12);
            --transition: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
        }

        img,
        svg {
            display: block;
            max-width: 100%;
        }

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        p {
            margin-top: 0;
        }

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

        .section {
            padding: 96px 0;
        }

        .section-head {
            max-width: 780px;
            margin-bottom: 48px;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .section-head p {
            color: var(--text-secondary);
            font-size: 16px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            background: rgba(11, 93, 70, 0.1);
            color: var(--primary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 46px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            border: 2px solid transparent;
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            cursor: pointer;
            text-decoration: none;
            transition: all var(--transition);
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 12px rgba(199, 123, 45, 0.25);
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            box-shadow: 0 4px 14px rgba(199, 123, 45, 0.35);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .btn-outline-dark {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-outline-dark:hover {
            background: rgba(11, 93, 70, 0.08);
            border-color: var(--primary);
            color: var(--primary);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            text-decoration: none;
        }

        .text-link .arrow {
            transition: transform var(--transition);
        }

        .text-link:hover .arrow {
            transform: translateX(4px);
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(246, 244, 239, 0.92);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            height: 76px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-primary);
            font-weight: 700;
            font-size: 20px;
            line-height: 1.1;
            white-space: nowrap;
        }

        .brand-bar {
            width: 8px;
            height: 36px;
            background: var(--primary);
            border-radius: 4px;
        }

        .brand small {
            display: block;
            font-size: 11px;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0.06em;
            margin-top: 2px;
        }

        .search-form {
            position: relative;
            flex: 1;
            max-width: 480px;
            min-width: 180px;
            margin: 0 auto;
            display: flex;
            align-items: center;
        }

        .search-form svg {
            position: absolute;
            left: 16px;
            stroke: var(--text-secondary);
            pointer-events: none;
        }

        .search-form input {
            width: 100%;
            height: 46px;
            border: none;
            background: #F0EFEA;
            border-radius: var(--radius-pill);
            padding: 0 100px 0 46px;
            font-size: 15px;
            outline: none;
            transition: box-shadow var(--transition), background var(--transition);
        }

        .search-form input:focus {
            background: #fff;
            box-shadow: 0 0 0 2px var(--primary);
        }

        .search-form button {
            position: absolute;
            right: 6px;
            height: 34px;
            padding: 0 16px;
            border: none;
            border-radius: var(--radius-pill);
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            cursor: pointer;
            transition: background var(--transition);
        }

        .search-form button:hover {
            background: var(--primary-dark);
        }

        .main-nav {
            display: flex;
            gap: 4px;
        }

        .main-nav .nav-link {
            position: relative;
            padding: 8px 14px;
            border-radius: 10px;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 500;
            text-decoration: none;
            transition: background var(--transition), color var(--transition);
        }

        .main-nav .nav-link:hover {
            background: rgba(11, 93, 70, 0.08);
        }

        .main-nav .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .main-nav .nav-link.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 0;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }

        .nav-cta {
            margin-left: 2px;
            min-height: 42px;
            padding: 0 18px;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: 10px;
            background: var(--card-bg);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            color: var(--text-primary);
            transition: border-color var(--transition), background var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--primary);
            background: rgba(11, 93, 70, 0.04);
        }

        .mobile-search {
            display: none;
            padding: 0 16px 12px;
            background: var(--bg-light);
            border-bottom: 1px solid var(--border);
        }

        .mobile-search .search-form {
            max-width: 100%;
            margin: 0;
        }

        .mobile-search .search-form input {
            padding-right: 18px;
        }

        .mobile-search .search-form button {
            display: none;
        }

        .mobile-nav-panel {
            display: none;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: var(--bg-dark);
            color: #fff;
            padding: 80px 0 0;
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
        }

        .hero-grid {
            position: relative;
            display: grid;
            grid-template-columns: 55% 45%;
            gap: 48px;
            align-items: center;
            z-index: 1;
        }

        .hero h1 {
            font-size: 44px;
            line-height: 1.15;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }

        .hero-sub {
            max-width: 560px;
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-visual {
            position: relative;
        }

        .hero-visual::before {
            content: "";
            position: absolute;
            inset: 12px 12px -12px -12px;
            border: 1px solid var(--accent);
            border-radius: 18px;
        }

        .hero-visual img {
            position: relative;
            z-index: 1;
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            border-radius: 18px;
            box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3);
        }

        .hero-stats {
            margin-top: 64px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            background: rgba(0, 0, 0, 0.16);
            position: relative;
            z-index: 1;
        }

        .stats-inner {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            padding: 28px 0;
        }

        .stat-value {
            font-size: 32px;
            font-weight: 700;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
        }

        .stat-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.65);
        }

        /* ===== Pain ===== */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .pain-card {
            background: rgba(11, 93, 70, 0.06);
            border-radius: var(--radius-card);
            padding: 28px;
            transition: transform var(--transition);
        }

        .pain-card:hover {
            transform: translateY(-4px);
        }

        .pain-icon {
            width: 44px;
            height: 44px;
            border: 2px solid rgba(199, 123, 45, 0.6);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            margin-bottom: 18px;
        }

        .pain-card h3 {
            font-size: 19px;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .pain-card p {
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .pain-note {
            font-size: 13px;
            color: var(--text-secondary);
            border-top: 1px solid rgba(11, 93, 70, 0.12);
            padding-top: 12px;
        }

        /* ===== Solution ===== */
        .solution-grid {
            display: grid;
            grid-template-columns: 55% 45%;
            gap: 64px;
            align-items: center;
        }

        .solution-copy h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 20px;
        }

        .solution-copy p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .solution-features li {
            display: flex;
            align-items: center;
            gap: 12px;
            line-height: 40px;
            font-size: 16px;
            color: var(--text-primary);
        }

        .solution-features li svg {
            flex: 0 0 20px;
            color: var(--primary);
        }

        .solution-visual {
            position: relative;
        }

        .solution-visual img {
            width: 100%;
            border-radius: 18px;
            box-shadow: var(--shadow-hover);
        }

        /* ===== Results ===== */
        .results-section {
            background: var(--bg-dark);
            color: #fff;
            padding: 96px 0;
        }

        .results-section .section-head h2 {
            color: #fff;
        }

        .results-section .section-head p {
            color: rgba(255, 255, 255, 0.7);
        }

        .results-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
        }

        .result-item {
            text-align: center;
            padding: 0 24px;
            position: relative;
        }

        .result-item + .result-item::before {
            content: "";
            position: absolute;
            left: 0;
            top: 20%;
            bottom: 20%;
            width: 1px;
            background: rgba(255, 255, 255, 0.15);
        }

        .result-value {
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
        }

        .result-divider {
            width: 40px;
            height: 8px;
            background: rgba(255, 255, 255, 0.2);
            margin: 12px auto;
            border-radius: 4px;
        }

        .result-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.65);
        }

        /* ===== Testimonials ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px;
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
        }

        .quote-mark {
            font-size: 44px;
            line-height: 1;
            color: var(--accent);
            font-family: Georgia, "Times New Roman", serif;
        }

        .testimonial-text {
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            margin: 16px 0 24px;
        }

        .testimonial-person {
            border-left: 4px solid var(--primary);
            padding-left: 12px;
        }

        .testimonial-person strong {
            display: block;
            font-size: 15px;
            color: var(--text-primary);
        }

        .testimonial-person span {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding-bottom: 96px;
        }

        .cta-banner {
            position: relative;
            overflow: hidden;
            background: var(--primary-dark);
            border-radius: 18px;
            padding: 64px 48px;
            text-align: center;
            box-shadow: 0 12px 30px rgba(16, 35, 29, 0.16);
            z-index: 0;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/coverpic/cover-5.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: -1;
        }

        .cta-banner::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 8px;
            background: var(--accent);
        }

        .cta-banner h2 {
            font-size: 32px;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-banner p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
        }

        /* ===== Latest News ===== */
        .latest-section {
            background: var(--card-bg);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .latest-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 36px;
        }

        .latest-head h2 {
            font-size: 28px;
            margin-bottom: 0;
        }

        .latest-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .latest-card {
            display: flex;
            flex-direction: column;
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            text-decoration: none;
            color: inherit;
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .latest-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .latest-card:first-child {
            grid-column: span 2;
        }

        .latest-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            background: rgba(11, 93, 70, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .latest-thumb .badge {
            position: absolute;
            left: 14px;
            top: 14px;
            background: rgba(11, 93, 70, 0.9);
            color: #fff;
        }

        .latest-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
            gap: 8px;
        }

        .latest-body h3 {
            font-size: 18px;
            line-height: 1.4;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .latest-card:first-child .latest-body h3 {
            font-size: 22px;
        }

        .latest-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .latest-meta {
            margin-top: auto;
            font-size: 12px;
            color: var(--text-secondary);
        }

        .empty-state {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 32px;
            border: 1px dashed var(--border);
            border-radius: var(--radius-card);
            color: var(--text-secondary);
            font-size: 14px;
            background: var(--card-bg);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
        }

        .footer-brand .brand {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .brand small {
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-brand p {
            max-width: 360px;
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
        }

        .footer-col h4 {
            font-size: 16px;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            padding: 6px 0;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            margin-top: 48px;
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== Animations ===== */
        @media (prefers-reduced-motion: no-preference) {
            .hero-copy {
                animation: fadeInUp 0.6s ease both;
            }

            .hero-visual {
                animation: fadeInUp 0.6s 0.15s ease both;
            }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation: none !important;
                transition: none !important;
            }
        }

        /* ===== Responsive ===== */
        @media (max-width: 1200px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-visual {
                max-width: 720px;
            }

            .solution-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .solution-visual {
                order: -1;
            }

            .latest-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .latest-card:first-child {
                grid-column: span 2;
            }
        }

        @media (max-width: 1024px) {
            .section {
                padding: 72px 0;
            }

            .main-nav .nav-link {
                padding: 8px 10px;
                font-size: 14px;
            }

            .nav-cta {
                padding: 0 14px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .results-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 0;
            }

            .result-item:nth-child(3)::before {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 60px;
                gap: 12px;
            }

            .search-form {
                display: none;
            }

            .main-nav {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
                margin-left: 8px;
            }

            .nav-cta {
                margin-left: auto;
            }

            .mobile-search {
                display: block;
            }

            .mobile-nav-panel {
                padding: 12px 16px 20px;
                background: var(--bg-light);
                border-bottom: 1px solid var(--border);
            }

            .mobile-nav-panel.open {
                display: block;
            }

            .mobile-nav-panel .nav-link {
                display: block;
                padding: 12px 16px;
                border-radius: 10px;
                color: var(--text-primary);
                font-size: 16px;
                text-decoration: none;
            }

            .mobile-nav-panel .nav-link:hover {
                background: rgba(11, 93, 70, 0.08);
            }

            .mobile-nav-panel .nav-link.active {
                color: var(--primary);
                font-weight: 700;
                background: rgba(11, 93, 70, 0.06);
            }

            .hero {
                padding: 56px 0 0;
            }

            .hero h1 {
                font-size: 32px;
            }

            .hero-sub {
                font-size: 16px;
            }

            .hero-stats {
                margin-top: 48px;
            }

            .stats-inner {
                grid-template-columns: repeat(2, 1fr);
                row-gap: 24px;
            }

            .section,
            .results-section {
                padding: 56px 0;
            }

            .section-head h2,
            .solution-copy h2,
            .cta-banner h2 {
                font-size: 26px;
            }

            .pain-grid,
            .testimonial-grid {
                grid-template-columns: 1fr;
            }

            .cta-banner {
                padding: 48px 24px;
            }

            .latest-grid {
                grid-template-columns: 1fr;
            }

            .latest-card:first-child {
                grid-column: span 1;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .cta-section {
                padding-bottom: 56px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero h1 {
                font-size: 26px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .hero-visual::before {
                display: none;
            }

            .results-grid {
                grid-template-columns: 1fr 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            .nav-cta {
                display: none;
            }

            .brand small {
                display: none;
            }

            .latest-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0B5D46;
            --primary-dark: #083F32;
            --accent: #C77B2D;
            --accent-dark: #A9601C;
            --bg-dark: #10231D;
            --bg-light: #F6F4EF;
            --card-bg: #FFFFFF;
            --text-primary: #1C2B25;
            --text-secondary: #5B6D65;
            --border: #E3DFD6;
            --success: #2E8B6D;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 2px 8px rgba(16, 35, 29, 0.05);
            --shadow-hover: 0 10px 24px rgba(16, 35, 29, 0.12);
            --transition: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-light);
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition), border-color var(--transition), box-shadow var(--transition);
        }

        a:hover {
            color: var(--accent-dark);
        }

        ul,
        ol {
            list-style: none;
        }

        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }

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

        /* ===== 按钮体系 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            border: 2px solid transparent;
        }

        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-accent {
            background-color: var(--accent);
            color: #fff;
            box-shadow: 0 4px 12px rgba(199, 123, 45, 0.25);
        }

        .btn-accent:hover {
            background-color: var(--accent-dark);
            color: #fff;
            box-shadow: 0 6px 18px rgba(199, 123, 45, 0.35);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
        }

        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(199, 123, 45, 0.08);
        }

        .btn-lg {
            padding: 0 36px;
            min-height: 52px;
            font-size: 17px;
        }

        .btn-sm {
            min-height: 40px;
            padding: 0 18px;
            font-size: 14px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(246, 244, 239, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
        }

        .header-row {
            display: flex;
            align-items: center;
            gap: 24px;
            height: 76px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-bar {
            width: 8px;
            height: 36px;
            background: var(--primary);
            border-radius: 4px;
        }

        .brand-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: -0.01em;
            line-height: 1.2;
            white-space: nowrap;
        }

        .brand-text small {
            display: block;
            font-size: 11px;
            font-weight: 600;
            color: var(--text-secondary);
            letter-spacing: 0.12em;
            margin-top: 2px;
        }

        .search-box {
            flex: 1;
            max-width: 480px;
            margin: 0 auto;
            position: relative;
            display: flex;
            align-items: center;
        }

        .search-box svg {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            stroke: var(--text-secondary);
            pointer-events: none;
        }

        .search-box input {
            width: 100%;
            height: 44px;
            border-radius: var(--radius-pill);
            border: 2px solid transparent;
            background: #F0EFEA;
            padding: 0 18px 0 44px;
            font-size: 14px;
            color: var(--text-primary);
            transition: all var(--transition);
        }

        .search-box input::placeholder {
            color: var(--text-secondary);
        }

        .search-box input:focus {
            outline: none;
            border-color: var(--primary);
            background: var(--card-bg);
            box-shadow: 0 0 0 2px rgba(11, 93, 70, 0.15);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .nav-link {
            position: relative;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            border-radius: 8px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(11, 93, 70, 0.06);
        }

        .nav-link.active {
            color: var(--primary);
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .header-cta {
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: var(--card-bg);
        }

        .nav-toggle svg {
            stroke: var(--text-primary);
        }

        .mobile-search {
            display: none;
            padding: 0 24px 16px;
        }

        .mobile-search .search-box {
            max-width: 100%;
            margin: 0;
        }

        /* ===== 页面 Hero ===== */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(8, 63, 50, 0.92), rgba(16, 35, 29, 0.85)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 48px 0 52px;
            min-height: 220px;
            display: flex;
            align-items: center;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.06em;
            margin-bottom: 14px;
        }

        .page-hero h1 {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 10px;
        }

        .page-hero p {
            color: rgba(255, 255, 255, 0.78);
            font-size: 16px;
            max-width: 520px;
        }

        /* ===== 主体两栏 ===== */
        .category-main {
            padding: 56px 0 80px;
        }

        .category-layout {
            display: flex;
            gap: 40px;
            align-items: flex-start;
        }

        .category-content {
            flex: 0 0 70%;
            max-width: 70%;
        }

        .category-sidebar {
            flex: 0 0 30%;
            max-width: 30%;
            position: sticky;
            top: 92px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        /* ===== 分类介绍 ===== */
        .intro-section {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 28px;
            margin-bottom: 32px;
        }

        .intro-grid {
            display: flex;
            gap: 28px;
            align-items: center;
        }

        .intro-text {
            flex: 1;
        }

        .intro-text h2 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
            color: var(--primary-dark);
        }

        .intro-text p {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 12px;
            line-height: 1.75;
        }

        .intro-text p:last-child {
            margin-bottom: 0;
        }

        .intro-image {
            flex: 0 0 38%;
        }

        .intro-image img {
            border-radius: 12px;
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        /* ===== 子项列表 ===== */
        .items-section {
            margin-bottom: 40px;
        }

        .items-section>h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--primary-dark);
        }

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

        .item-row {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px 28px;
            border-bottom: 1px solid var(--border);
            transition: background-color var(--transition);
        }

        .item-row:last-child {
            border-bottom: none;
        }

        .item-row:hover {
            background: rgba(11, 93, 70, 0.04);
        }

        .item-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            flex-shrink: 0;
            width: 52px;
            text-align: center;
        }

        .item-body {
            flex: 1;
        }

        .item-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-primary);
        }

        .item-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        .item-arrow {
            font-size: 22px;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform var(--transition);
        }

        .item-row:hover .item-arrow {
            transform: translateX(4px);
        }

        /* ===== FAQ ===== */
        .faq-section {
            margin-bottom: 20px;
        }

        .faq-section>h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--primary-dark);
        }

        .faq-list {
            max-width: 100%;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }

        .faq-item.active {
            box-shadow: var(--shadow-card);
        }

        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            text-align: left;
            padding: 18px 24px;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            background: rgba(11, 93, 70, 0.04);
            border-left: 3px solid transparent;
            transition: all var(--transition);
            min-height: 56px;
        }

        .faq-q:hover {
            background: rgba(11, 93, 70, 0.08);
        }

        .faq-item.active .faq-q {
            border-left-color: var(--accent);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 400;
            transition: all var(--transition);
        }

        .faq-item.active .faq-icon {
            background: var(--accent);
            transform: rotate(45deg);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            padding: 0 24px;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-secondary);
            transition: max-height 0.3s ease, padding 0.3s ease;
        }

        .faq-item.active .faq-a {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== 侧边栏 ===== */
        .side-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 24px;
        }

        .side-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--primary-dark);
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-list a,
        .tag-list span {
            display: inline-block;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border);
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            background: var(--bg-light);
            transition: all var(--transition);
        }

        .tag-list a:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(11, 93, 70, 0.06);
        }

        .side-links li {
            border-bottom: 1px dashed var(--border);
            padding: 12px 0;
        }

        .side-links li:last-child {
            border-bottom: none;
        }

        .side-links a {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--text-primary);
            line-height: 1.5;
            transition: color var(--transition);
        }

        .side-links a::before {
            content: "•";
            color: var(--accent);
            font-weight: 700;
            flex-shrink: 0;
        }

        .side-links a:hover {
            color: var(--primary);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 24px 0 80px;
        }

        .cta-banner {
            background: linear-gradient(160deg, var(--primary-dark) 0 82%, var(--accent) 82% 100%);
            border-radius: var(--radius-card);
            padding: 56px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-banner h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-banner p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            margin-bottom: 24px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .brand-text {
            color: #fff;
        }

        .footer-brand .brand-text small {
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            margin-top: 14px;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col a,
        .footer-col span {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            padding: 4px 0;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .header-row {
                gap: 16px;
            }

            .main-nav {
                gap: 2px;
            }

            .nav-link {
                padding: 8px 10px;
                font-size: 13px;
            }

            .header-cta .btn-sm {
                padding: 0 14px;
                font-size: 13px;
            }

            .category-layout {
                flex-direction: column;
                gap: 32px;
            }

            .category-content,
            .category-sidebar {
                flex: 0 0 100%;
                max-width: 100%;
            }

            .category-sidebar {
                position: static;
                flex-direction: row;
                align-items: stretch;
            }

            .side-card {
                flex: 1;
            }
        }

        @media (max-width: 768px) {
            .header-row {
                height: 60px;
                flex-wrap: wrap;
            }

            .search-box {
                display: none;
            }

            .desktop-search {
                display: none;
            }

            .mobile-search {
                display: block;
            }

            .mobile-search .search-box {
                display: flex;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--card-bg);
                border-bottom: 1px solid var(--border);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px;
                gap: 4px;
                box-shadow: var(--shadow-hover);
            }

            .main-nav.open {
                display: flex;
            }

            .nav-link {
                padding: 14px 16px;
                font-size: 15px;
                border-radius: 10px;
            }

            .nav-link.active::after {
                left: 16px;
                right: auto;
                width: 24px;
                bottom: auto;
                top: 50%;
                transform: translateY(-50%);
            }

            .nav-toggle {
                display: flex;
            }

            .header-cta {
                margin-left: auto;
            }

            .page-hero h1 {
                font-size: 32px;
            }

            .page-hero p {
                font-size: 15px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .intro-grid {
                flex-direction: column;
            }

            .intro-image {
                flex: 0 0 100%;
            }

            .cta-banner {
                padding: 40px 24px;
            }

            .cta-banner h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }

            .brand-text {
                font-size: 18px;
            }

            .brand-text small {
                font-size: 10px;
            }

            .brand-bar {
                height: 30px;
            }

            .page-hero {
                padding: 36px 0;
            }

            .page-hero h1 {
                font-size: 26px;
            }

            .category-main {
                padding: 32px 0 48px;
            }

            .intro-section {
                padding: 20px;
            }

            .item-row {
                padding: 16px 18px;
                gap: 14px;
            }

            .item-num {
                font-size: 22px;
                width: 40px;
            }

            .item-body h3 {
                font-size: 16px;
            }

            .faq-q {
                padding: 14px 18px;
                font-size: 15px;
            }

            .faq-a {
                padding: 0 18px;
            }

            .faq-item.active .faq-a {
                padding: 0 18px 16px;
            }

            .category-sidebar {
                flex-direction: column;
            }

            .cta-banner h2 {
                font-size: 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-bottom p {
                font-size: 12px;
            }
        }

/* roulang page: article */
:root {
    --primary: #0B5D46;
    --primary-dark: #083F32;
    --primary-light: rgba(11, 93, 70, .06);
    --accent: #C77B2D;
    --accent-dark: #A9601C;
    --bg-dark: #10231D;
    --bg-light: #F6F4EF;
    --card-bg: #FFFFFF;
    --text-primary: #1C2B25;
    --text-secondary: #5B6D65;
    --border: #E3DFD6;
    --success: #2E8B6D;
    --danger: #D04848;
    --radius: 14px;
    --radius-sm: 10px;
    --shadow: 0 2px 8px rgba(16, 35, 29, .05);
    --shadow-hover: 0 10px 24px rgba(16, 35, 29, .12);
    --transition: .25s ease;
    --container: 1200px;
}
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-primary);
    background: var(--bg-light);
    -webkit-font-smoothing: antialiased;
}
a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover {
    color: var(--accent);
}
img {
    max-width: 100%;
    display: block;
}
button {
    font-family: inherit;
    cursor: pointer;
}
input {
    font-family: inherit;
}
.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}
@media (max-width: 768px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 15px;
    line-height: 1;
    padding: 14px 26px;
    border: 2px solid transparent;
    transition: all var(--transition);
    min-height: 44px;
}
.btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}
.btn-accent {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 12px rgba(199, 123, 45, .25);
}
.btn-accent:hover {
    background: var(--accent-dark);
    color: #fff;
    box-shadow: 0 4px 18px rgba(199, 123, 45, .35);
    transform: translateY(-2px);
}
.btn-outline {
    background: transparent;
    border-color: rgba(255, 255, 255, .6);
    color: #fff;
}
.btn-outline:hover {
    background: rgba(11, 93, 70, .08);
    border-color: #fff;
    color: #fff;
}
.btn-lg {
    padding: 17px 36px;
    font-size: 16px;
}
.badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 999px;
    background: var(--primary-light);
    border: 1px solid rgba(11, 93, 70, .2);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .02em;
}
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(246, 244, 239, .92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
}
.header-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    min-height: 76px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.brand-bar {
    width: 8px;
    height: 36px;
    background: var(--primary);
    border-radius: 4px;
    flex-shrink: 0;
}
.brand-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -.01em;
    white-space: nowrap;
}
.brand-text small {
    display: block;
    font-size: 11px;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: .1em;
    margin-top: -2px;
}
.search-wrap {
    flex: 1;
    max-width: 480px;
    margin: 0 auto;
}
.search-form {
    display: flex;
    align-items: center;
    background: #F0EFEA;
    border-radius: 999px;
    height: 48px;
    padding: 0 8px 0 18px;
    border: 2px solid transparent;
    transition: border-color var(--transition), background var(--transition);
}
.search-form:focus-within {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(11, 93, 70, .1);
}
.search-icon {
    flex-shrink: 0;
    color: var(--text-secondary);
}
.search-form input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    padding: 0 12px;
    font-size: 15px;
    color: var(--text-primary);
    height: 44px;
}
.search-form input::placeholder {
    color: #8A958F;
}
.search-form button {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 999px;
    height: 42px;
    padding: 0 22px;
    font-size: 14px;
    font-weight: 600;
    transition: background var(--transition);
    flex-shrink: 0;
}
.search-form button:hover {
    background: var(--primary-dark);
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}
.nav-link {
    display: inline-block;
    padding: 10px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
    border-radius: 999px;
    position: relative;
    transition: all var(--transition);
    white-space: nowrap;
}
.nav-link::after {
    content: "";
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 2px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    opacity: 0;
    transform: scaleX(.4);
    transition: all var(--transition);
}
.nav-link:hover {
    background: var(--primary-light);
    color: var(--primary);
}
.nav-link.active {
    color: var(--primary);
    font-weight: 600;
}
.nav-link.active::after {
    opacity: 1;
    transform: scaleX(1);
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.nav-cta {
    padding: 12px 22px;
    font-size: 14px;
}
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    padding: 0 10px;
}
.nav-toggle span {
    display: block;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition);
}
.nav-toggle:hover span {
    background: var(--primary);
}
.mobile-search {
    display: none;
    padding: 0 16px 14px;
}
.mobile-search .search-form {
    height: 44px;
}
@media (max-width: 1200px) {
    .header-inner {
        gap: 12px;
    }
    .search-wrap {
        max-width: 360px;
    }
    .nav-link {
        padding: 10px 10px;
        font-size: 14px;
    }
}
@media (max-width: 1024px) {
    .header-inner {
        flex-wrap: wrap;
        min-height: 60px;
        padding-top: 8px;
        padding-bottom: 8px;
    }
    .search-wrap {
        order: 3;
        width: 100%;
        max-width: none;
        margin: 4px 0 0;
        flex-basis: 100%;
    }
    .main-nav {
        order: 2;
        margin-left: auto;
    }
    .header-actions {
        order: 1;
        margin-left: auto;
    }
}
@media (max-width: 768px) {
    .site-header {
        position: sticky;
    }
    .main-nav {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(246, 244, 239, .97);
        backdrop-filter: blur(12px);
        flex-direction: column;
        align-items: stretch;
        padding: 12px 16px 20px;
        border-bottom: 1px solid var(--border);
        gap: 2px;
        transform: translateY(-110%);
        transition: transform .3s ease;
        box-shadow: 0 20px 30px rgba(16, 35, 29, .08);
        z-index: 99;
        display: flex;
    }
    .site-header.nav-open .main-nav {
        transform: translateY(0);
    }
    .nav-link {
        padding: 14px 16px;
        font-size: 16px;
        border-radius: var(--radius-sm);
        white-space: normal;
    }
    .nav-link::after {
        display: none;
    }
    .nav-link.active {
        background: var(--primary-light);
    }
    .search-wrap {
        display: none;
    }
    .mobile-search {
        display: block;
    }
    .nav-toggle {
        display: flex;
    }
    .nav-cta {
        display: none;
    }
    .header-actions {
        margin-left: auto;
    }
    .brand-text {
        font-size: 19px;
    }
}
@media (min-width: 769px) {
    .mobile-search {
        display: none !important;
    }
}
.breadcrumb-wrap {
    padding: 22px 0 0;
}
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    flex-wrap: wrap;
}
.breadcrumb a {
    color: var(--text-secondary);
}
.breadcrumb a:hover {
    color: var(--primary);
}
.breadcrumb .sep {
    color: #B7BEB8;
    font-size: 12px;
}
.breadcrumb .current {
    color: var(--text-secondary);
    max-width: 420px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.article-main {
    padding: 32px 0 24px;
}
.article-layout {
    max-width: 860px;
}
.article-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}
.article-header {
    padding: 40px 48px 24px;
}
.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}
.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--text-secondary);
}
.article-header h1 {
    font-size: 32px;
    line-height: 1.3;
    font-weight: 800;
    letter-spacing: -.02em;
    color: var(--text-primary);
}
.article-cover {
    margin: 0 48px 32px;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}
.article-cover img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 8;
    object-fit: cover;
    transition: transform .5s ease;
}
.article-card:hover .article-cover img {
    transform: scale(1.02);
}
.article-body {
    padding: 0 48px 40px;
    color: var(--text-primary);
    font-size: 16px;
    line-height: 1.8;
    max-width: 80ch;
}
.article-body p {
    margin-bottom: 24px;
}
.article-body h2 {
    font-size: 24px;
    font-weight: 700;
    line-height: 1.35;
    margin: 40px 0 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
    letter-spacing: -.01em;
}
.article-body h3 {
    font-size: 19px;
    font-weight: 700;
    margin: 32px 0 12px;
    line-height: 1.4;
}
.article-body ul,
.article-body ol {
    margin: 0 0 24px;
    padding-left: 24px;
}
.article-body li {
    margin-bottom: 8px;
}
.article-body li::marker {
    color: var(--primary);
}
.article-body a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(11, 93, 70, .3);
    transition: text-decoration-color var(--transition);
}
.article-body a:hover {
    text-decoration-color: var(--accent);
    color: var(--accent);
}
.article-body blockquote {
    margin: 24px 0;
    padding: 18px 24px;
    background: var(--primary-light);
    border-left: 4px solid var(--primary);
    border-radius: 0 12px 12px 0;
    font-style: normal;
    color: var(--text-primary);
}
.article-body blockquote p:last-child {
    margin-bottom: 0;
}
.article-body img {
    border-radius: 12px;
    margin: 24px 0;
}
.article-body pre {
    background: var(--bg-dark);
    color: #E8EFEA;
    padding: 20px 24px;
    border-radius: 12px;
    overflow-x: auto;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 14px;
    line-height: 1.7;
    margin: 24px 0;
}
.article-body code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: .92em;
    background: rgba(11, 93, 70, .08);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--primary-dark);
}
.article-body pre code {
    background: transparent;
    padding: 0;
    color: inherit;
}
.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}
.article-body th,
.article-body td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 15px;
}
.article-body th {
    background: var(--primary-light);
    font-weight: 600;
    color: var(--primary-dark);
}
.article-body tr:last-child td {
    border-bottom: none;
}
.article-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding: 20px 48px 36px;
    border-top: 1px solid var(--border);
}
.tag-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 13px;
    color: var(--text-secondary);
    transition: all var(--transition);
}
.tag:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}
.share-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}
.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 999px;
    background: var(--bg-light);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    transition: all var(--transition);
}
.share-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}
.related-section {
    padding: 64px 0 24px;
}
.related-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 28px;
}
.related-head h3 {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -.01em;
    color: var(--text-primary);
}
.more-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 15px;
    font-weight: 600;
    color: var(--primary);
}
.more-link .arrow {
    transition: transform var(--transition);
}
.more-link:hover .arrow {
    transform: translateX(4px);
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.related-card {
    display: block;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all var(--transition);
    box-shadow: var(--shadow);
}
.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(11, 93, 70, .25);
}
.related-thumb {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--primary-light);
}
.related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.related-card:hover .related-thumb img {
    transform: scale(1.05);
}
.related-card h4 {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
    color: var(--text-primary);
    padding: 18px 20px 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 54px;
}
.related-card .date {
    display: block;
    padding: 0 20px 18px;
    font-size: 13px;
    color: var(--text-secondary);
}
.article-cta {
    padding: 56px 0 80px;
}
.cta-banner {
    position: relative;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-dark) 60%, var(--accent) 160%);
    border-radius: var(--radius);
    padding: 48px 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(16, 35, 29, .18);
}
.cta-banner::before {
    content: "";
    position: absolute;
    top: -40px;
    right: -20px;
    width: 180px;
    height: 180px;
    border: 1px solid rgba(199, 123, 45, .4);
    border-radius: 50%;
}
.cta-banner::after {
    content: "";
    position: absolute;
    bottom: -60px;
    right: 60px;
    width: 120px;
    height: 120px;
    background: rgba(199, 123, 45, .08);
    border-radius: 50%;
}
.cta-content {
    position: relative;
    z-index: 1;
}
.cta-content h2 {
    font-size: 26px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
    letter-spacing: -.01em;
}
.cta-content p {
    font-size: 15px;
    color: rgba(255, 255, 255, .75);
}
.cta-banner .btn {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}
.empty-state {
    padding: 80px 24px;
    text-align: center;
}
.empty-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 56px 32px;
    max-width: 520px;
    margin: 0 auto;
    box-shadow: var(--shadow);
}
.empty-icon {
    width: 68px;
    height: 68px;
    border-radius: 999px;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--primary);
}
.empty-card h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}
.empty-card p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}
.site-footer {
    background: var(--bg-dark);
    padding: 64px 0 0;
    color: rgba(255, 255, 255, .75);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
}
.footer-brand .brand-text {
    color: #fff;
}
.footer-brand .brand-text small {
    color: rgba(255, 255, 255, .5);
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    margin-top: 16px;
    color: rgba(255, 255, 255, .6);
}
.footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}
.footer-col a {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, .6);
    margin-bottom: 10px;
    transition: all var(--transition);
}
.footer-col a:hover {
    color: var(--accent);
    padding-left: 4px;
}
.footer-col span {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, .5);
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, .45);
}
.footer-bottom a {
    color: rgba(255, 255, 255, .55);
}
.footer-bottom a:hover {
    color: var(--accent);
}
@media (max-width: 1024px) {
    .article-header {
        padding: 32px 32px 20px;
    }
    .article-cover {
        margin: 0 32px 28px;
    }
    .article-body {
        padding: 0 32px 32px;
    }
    .article-footer {
        padding: 18px 32px 28px;
    }
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}
@media (max-width: 768px) {
    .breadcrumb-wrap {
        padding-top: 14px;
    }
    .article-main {
        padding-top: 20px;
    }
    .article-header {
        padding: 24px 20px 16px;
    }
    .article-header h1 {
        font-size: 26px;
    }
    .article-meta {
        gap: 10px;
    }
    .article-cover {
        margin: 0 20px 20px;
    }
    .article-body {
        padding: 0 20px 24px;
        font-size: 15px;
    }
    .article-body h2 {
        font-size: 21px;
        margin-top: 32px;
    }
    .article-body h3 {
        font-size: 18px;
    }
    .article-footer {
        padding: 16px 20px 24px;
        flex-direction: column;
        align-items: flex-start;
    }
    .related-section {
        padding-top: 40px;
    }
    .related-head h3 {
        font-size: 22px;
    }
    .related-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .related-card h4 {
        font-size: 15px;
    }
    .cta-banner {
        flex-direction: column;
        padding: 36px 24px;
        text-align: center;
    }
    .cta-content h2 {
        font-size: 22px;
    }
    .cta-banner .btn {
        width: 100%;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
    .footer-bottom {
        font-size: 12px;
        padding: 16px 0;
    }
    .empty-state {
        padding: 48px 16px;
    }
}
@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .footer-brand p {
        font-size: 13px;
    }
    .footer-col a {
        font-size: 13px;
    }
    .footer-col span {
        font-size: 13px;
    }
    .article-cover img {
        aspect-ratio: 16 / 10;
    }
    .breadcrumb .current {
        max-width: 200px;
    }
    .cta-banner {
        padding: 32px 20px;
    }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
}

/* roulang page: category2 */
:root {
            --primary: #0B5D46;
            --primary-dark: #083F32;
            --accent: #C77B2D;
            --accent-dark: #A9601C;
            --bg-dark: #10231D;
            --bg-light: #F6F4EF;
            --card-bg: #FFFFFF;
            --text-primary: #1C2B25;
            --text-secondary: #5B6D65;
            --border: #E3DFD6;
            --success: #2E8B6D;
            --radius: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 2px 8px rgba(16, 35, 29, 0.05);
            --shadow-hover: 0 10px 24px rgba(16, 35, 29, 0.12);
            --transition: 0.25s ease;
            --container: 1200px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg-light);
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
        }
        a:hover {
            color: var(--accent-dark);
        }
        button,
        input {
            font-family: inherit;
            font-size: 100%;
            line-height: 1.15;
            margin: 0;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.02em;
            line-height: 1.4;
        }
        .tag-gold {
            color: var(--accent-dark);
            background: rgba(199, 123, 45, 0.12);
            border: 1px solid rgba(199, 123, 45, 0.3);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 48px;
            padding: 14px 26px;
            border: 1px solid transparent;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
            box-shadow: 0 4px 12px rgba(199, 123, 45, 0.25);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            box-shadow: 0 6px 18px rgba(199, 123, 45, 0.35);
            transform: translateY(-1px);
        }
        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.65);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }
        .btn:focus-visible,
        .nav-toggle:focus-visible,
        .faq-question:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(246, 244, 239, 0.92);
            -webkit-backdrop-filter: blur(8px);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            height: 76px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-bar {
            display: block;
            width: 8px;
            height: 36px;
            border-radius: 4px;
            background: var(--primary);
        }
        .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            line-height: 1.2;
        }
        .brand-text small {
            display: block;
            font-size: 11px;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0.08em;
            margin-top: 2px;
        }
        .search-box {
            flex: 1;
            max-width: 480px;
            height: 46px;
            display: flex;
            align-items: center;
            gap: 10px;
            background: #F0EFEA;
            border: 1px solid transparent;
            border-radius: 999px;
            padding: 0 18px;
            transition: all var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 2px rgba(11, 93, 70, 0.18);
        }
        .search-icon {
            width: 18px;
            height: 18px;
            color: var(--text-secondary);
            flex-shrink: 0;
        }
        .search-box input {
            border: 0;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--text-primary);
            width: 100%;
        }
        .search-box input::-webkit-search-cancel-button {
            -webkit-appearance: none;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: auto;
        }
        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-primary);
            padding: 10px 14px;
            border-radius: 8px;
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(11, 93, 70, 0.06);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: 2px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .header-cta {
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 0;
            flex-shrink: 0;
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: transform 0.25s ease, opacity 0.25s ease;
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-search {
            display: none;
        }

        /* ===== Category Hero ===== */
        .category-hero {
            position: relative;
            min-height: 220px;
            display: flex;
            align-items: center;
            padding: 48px 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat var(--bg-dark);
            overflow: hidden;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(16, 35, 29, 0.94) 0%, rgba(11, 93, 70, 0.82) 70%, rgba(16, 35, 29, 0.6) 100%);
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 14px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            background: rgba(199, 123, 45, 0.15);
            border: 1px solid rgba(199, 123, 45, 0.5);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            padding: 6px 14px;
            border-radius: 999px;
        }
        .category-hero h1 {
            margin: 0;
            font-size: 42px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            line-height: 1.2;
        }
        .category-hero p {
            margin: 0;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 640px;
        }

        /* ===== Category Main ===== */
        .category-main {
            padding: 64px 0;
        }
        .category-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 340px;
            gap: 40px;
            align-items: start;
        }
        .content-panel {
            display: flex;
            flex-direction: column;
            gap: 32px;
            min-width: 0;
        }
        .category-sidebar {
            position: sticky;
            top: 100px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        /* ===== Intro Card ===== */
        .intro-card,
        .practice-card,
        .faq-card,
        .sidebar-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            padding: 32px;
        }
        .intro-card .tag,
        .card-head .tag {
            margin-bottom: 10px;
        }
        .intro-card h2 {
            margin: 4px 0 12px;
            font-size: 28px;
            font-weight: 700;
            letter-spacing: -0.015em;
            line-height: 1.3;
        }
        .intro-card .lead {
            color: var(--text-secondary);
            font-size: 15px;
            margin: 0 0 20px;
        }
        .intro-card p {
            margin: 0 0 16px;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
        }
        .intro-card p:last-child {
            margin-bottom: 0;
        }
        .intro-media {
            margin-top: 24px;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border);
        }
        .intro-media img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        /* ===== Practice List ===== */
        .card-head {
            margin-bottom: 8px;
        }
        .card-head h2 {
            margin: 4px 0 6px;
            font-size: 26px;
            font-weight: 700;
            letter-spacing: -0.015em;
        }
        .card-desc {
            margin: 0 0 20px;
            color: var(--text-secondary);
            font-size: 14px;
        }
        .practice-list {
            display: flex;
            flex-direction: column;
        }
        .practice-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 24px 10px;
            border-bottom: 1px solid var(--border);
            border-radius: 10px;
            transition: background var(--transition);
        }
        .practice-item:last-child {
            border-bottom: 0;
        }
        .practice-item:hover {
            background: rgba(11, 93, 70, 0.04);
        }
        .practice-num {
            width: 56px;
            flex-shrink: 0;
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .practice-text {
            flex: 1;
            min-width: 0;
        }
        .practice-text h3 {
            margin: 0 0 6px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .practice-text p {
            margin: 0;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-secondary);
        }
        .practice-arrow {
            flex-shrink: 0;
            font-size: 20px;
            color: var(--text-secondary);
            transition: transform var(--transition), color var(--transition);
        }
        .practice-item:hover .practice-arrow {
            transform: translateX(4px);
            color: var(--accent);
        }

        /* ===== FAQ ===== */
        .faq-list {
            margin-top: 4px;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            border-radius: 8px;
            position: relative;
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:last-child {
            border-bottom: 0;
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            text-align: left;
            background: rgba(11, 93, 70, 0.04);
            border: 0;
            padding: 18px 20px;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: rgba(11, 93, 70, 0.08);
        }
        .faq-icon {
            position: relative;
            width: 18px;
            height: 18px;
            flex-shrink: 0;
        }
        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            inset: 0;
            margin: auto;
            background: var(--primary);
            border-radius: 2px;
            transition: transform var(--transition);
        }
        .faq-icon::before {
            width: 16px;
            height: 2px;
        }
        .faq-icon::after {
            width: 2px;
            height: 16px;
        }
        .faq-item.active {
            border-left: 3px solid var(--accent);
        }
        .faq-item.active .faq-icon::after {
            transform: scaleY(0);
        }
        .faq-answer {
            display: none;
            padding: 0 20px 20px;
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
            background: var(--card-bg);
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        /* ===== Sidebar ===== */
        .sidebar-card h3 {
            margin: 0 0 18px;
            padding-left: 12px;
            border-left: 4px solid var(--accent);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .sidebar-card + .sidebar-card {
            margin-top: 0;
        }
        .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(11, 93, 70, 0.05);
            border: 1px solid var(--border);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-primary);
            transition: all var(--transition);
            line-height: 1.4;
        }
        .tag-link:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(11, 93, 70, 0.08);
        }
        .tag-link.active {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(11, 93, 70, 0.1);
            font-weight: 600;
        }
        .reading-list {
            display: flex;
            flex-direction: column;
        }
        .reading-item {
            display: flex;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
        }
        .reading-item:last-child {
            border-bottom: 0;
            padding-bottom: 0;
        }
        .reading-index {
            flex-shrink: 0;
            font-size: 20px;
            font-weight: 800;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.3;
            width: 28px;
        }
        .reading-item h4 {
            margin: 0 0 4px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-primary);
        }
        .reading-item p {
            margin: 0;
            font-size: 13px;
            line-height: 1.5;
            color: var(--text-secondary);
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            position: relative;
            padding: 72px 24px;
            background: linear-gradient(120deg, var(--primary-dark) 0%, var(--primary) 86%, var(--accent) 140%);
            overflow: hidden;
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
        }
        .cta-banner .container {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 800px;
        }
        .cta-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            background: rgba(199, 123, 45, 0.18);
            border: 1px solid rgba(199, 123, 45, 0.5);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.05em;
            padding: 6px 14px;
            border-radius: 999px;
        }
        .cta-banner h2 {
            margin: 18px 0 10px;
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            line-height: 1.3;
        }
        .cta-banner p {
            margin: 0 0 32px;
            font-size: 16px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.78);
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
        }
        .footer-brand .brand {
            color: #fff;
        }
        .footer-brand .brand-text {
            color: #fff;
        }
        .footer-brand .brand-text small {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-brand p {
            margin: 18px 0 0;
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 340px;
        }
        .footer-col {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col h4 {
            margin: 0 0 6px;
            font-size: 16px;
            font-weight: 700;
            color: #fff;
        }
        .footer-col a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-col span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            line-height: 1.6;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 22px 0;
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== Reveal ===== */
        .reveal {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: none;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1200px) {
            .category-layout {
                grid-template-columns: minmax(0, 1fr) 300px;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1.2fr 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 1024px) {
            .header-inner {
                height: 60px;
                gap: 12px;
            }
            .header-inner .search-box {
                display: none;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--bg-light);
                border-bottom: 1px solid var(--border);
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 12px 16px;
                box-shadow: 0 14px 24px rgba(16, 35, 29, 0.08);
            }
            .main-nav.open {
                display: flex;
            }
            .nav-link {
                padding: 14px;
                border-radius: 10px;
                white-space: normal;
            }
            .nav-link.active::after {
                left: 14px;
                right: auto;
                width: 24px;
                bottom: 8px;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-search {
                display: block;
                padding: 0 16px 14px;
            }
            .mobile-search .search-box {
                max-width: 100%;
            }
            .category-layout {
                grid-template-columns: 1fr;
            }
            .category-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .category-hero {
                min-height: 200px;
            }
            .category-hero h1 {
                font-size: 36px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-main {
                padding: 40px 0;
            }
            .category-hero {
                padding: 40px 0;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero p {
                font-size: 14px;
            }
            .intro-card,
            .practice-card,
            .faq-card,
            .sidebar-card {
                padding: 24px;
            }
            .practice-item {
                gap: 14px;
                padding: 20px 6px;
                align-items: flex-start;
            }
            .practice-num {
                width: 40px;
                font-size: 22px;
            }
            .practice-arrow {
                display: none;
            }
            .cta-banner {
                padding: 56px 16px;
            }
            .cta-banner h2 {
                font-size: 26px;
            }
            .category-sidebar {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
                padding-bottom: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .header-cta {
                font-size: 14px;
                padding: 12px 18px;
            }
            .brand-text {
                font-size: 18px;
            }
            .brand-bar {
                height: 30px;
            }
            .category-hero h1 {
                font-size: 27px;
            }
            .intro-card h2 {
                font-size: 24px;
            }
            .card-head h2 {
                font-size: 23px;
            }
            .faq-question {
                font-size: 15px;
                padding: 16px;
            }
            .faq-answer {
                padding: 0 16px 16px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                font-size: 12px;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
            .reveal {
                opacity: 1;
                transform: none;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0B5D46;
            --primary-dark: #083F32;
            --accent: #C77B2D;
            --accent-dark: #A9601C;
            --bg-dark: #10231D;
            --bg-light: #F6F4EF;
            --card-bg: #FFFFFF;
            --text-primary: #1C2B25;
            --text-secondary: #5B6D65;
            --border: #E3DFD6;
            --success: #2E8B6D;
            --radius: 14px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow: 0 2px 8px rgba(16, 35, 29, 0.05);
            --shadow-hover: 0 10px 24px rgba(16, 35, 29, 0.12);
            --transition: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg-light);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        img,
        svg {
            display: block;
            max-width: 100%;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        button {
            font: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }

        input {
            font: inherit;
            border: none;
            outline: none;
            background: none;
        }

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

        /* 顶部导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(246, 244, 239, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            min-height: 76px;
            gap: 20px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-bar {
            width: 8px;
            height: 36px;
            background: var(--primary);
            border-radius: 4px;
            display: inline-block;
        }

        .brand-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            line-height: 1.1;
            display: flex;
            align-items: baseline;
            gap: 4px;
        }

        .brand-text small {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-secondary);
            letter-spacing: 0.02em;
        }

        .header-search {
            flex: 1;
            max-width: 480px;
            height: 44px;
            background: #F0EFEA;
            border-radius: var(--radius-pill);
            display: flex;
            align-items: center;
            padding: 0 18px;
            gap: 8px;
            border: 2px solid transparent;
            transition: border-color var(--transition), background var(--transition);
        }

        .header-search:focus-within {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 2px rgba(11, 93, 70, 0.15);
        }

        .search-icon {
            width: 18px;
            height: 18px;
            color: var(--text-secondary);
            flex-shrink: 0;
        }

        .header-search input {
            width: 100%;
            font-size: 14px;
            color: var(--text-primary);
            background: transparent;
        }

        .header-search input::placeholder {
            color: #8A9790;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .nav-link {
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-pill);
            transition: color var(--transition), background var(--transition);
            position: relative;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(11, 93, 70, 0.06);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition), color var(--transition), border-color var(--transition);
            white-space: nowrap;
            min-height: 44px;
            line-height: 1;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 12px rgba(199, 123, 45, 0.25);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            box-shadow: 0 4px 14px rgba(199, 123, 45, 0.35);
            transform: translateY(-1px);
        }

        .btn-accent:active {
            transform: translateY(0);
        }

        .btn-nav {
            padding: 9px 20px;
            min-height: 40px;
            font-size: 14px;
            flex-shrink: 0;
        }

        .btn-lg {
            padding: 16px 44px;
            font-size: 17px;
            min-height: 52px;
        }

        .btn:focus-visible,
        .nav-link:focus-visible,
        .brand:focus-visible,
        .tag:focus-visible,
        .module-item:focus-visible,
        .faq-summary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 44px;
            height: 44px;
            flex-shrink: 0;
            border-radius: 8px;
            border: 1px solid var(--border);
            background: var(--card-bg);
            gap: 5px;
        }

        .nav-toggle span {
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-search-wrap {
            display: none;
            padding-bottom: 12px;
        }

        .mobile-menu {
            display: none;
            border-top: 1px solid var(--border);
            background: var(--card-bg);
            padding: 12px 24px 20px;
        }

        .mobile-menu nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-menu .nav-link {
            padding: 12px 16px;
            font-size: 16px;
            border-radius: 10px;
        }

        .mobile-menu .nav-link.active {
            background: rgba(11, 93, 70, 0.08);
        }

        /* 分类 Hero */
        .cat-hero {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
            padding: 80px 0 64px;
            min-height: 260px;
            display: flex;
            align-items: center;
        }

        .cat-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
        }

        .cat-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(16, 35, 29, 0.92) 0%, rgba(16, 35, 29, 0.6) 60%, rgba(16, 35, 29, 0.4) 100%);
        }

        .cat-hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.08em;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
        }

        .cat-hero h1 {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 12px;
        }

        .cat-hero .hero-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.78);
            max-width: 600px;
            line-height: 1.6;
        }

        /* 主体两栏 */
        .cat-main {
            padding: 72px 0 80px;
        }

        .cat-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 48px;
            align-items: start;
        }

        .cat-content {
            min-width: 0;
        }

        /* 分类介绍 */
        .cat-intro {
            display: grid;
            grid-template-columns: 3fr 2fr;
            gap: 32px;
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 28px;
            margin-bottom: 48px;
            align-items: center;
        }

        .cat-intro h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .cat-intro p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 12px;
        }

        .cat-intro p:last-child {
            margin-bottom: 0;
        }

        .cat-intro-media {
            border-radius: 12px;
            overflow: hidden;
        }

        .cat-intro-media img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-radius: 12px;
        }

        /* 子项列表 */
        .cat-modules {
            margin-bottom: 48px;
        }

        .cat-modules>h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }

        .cat-modules .section-sub {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 24px;
        }

        .module-list {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .module-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 24px 28px;
            background: transparent;
            transition: background var(--transition);
            border-bottom: 1px solid var(--border);
            width: 100%;
            text-align: left;
        }

        .module-item:last-child {
            border-bottom: none;
        }

        .module-item:hover {
            background: rgba(11, 93, 70, 0.04);
        }

        .module-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            flex-shrink: 0;
            width: 48px;
        }

        .module-body {
            flex: 1;
            min-width: 0;
        }

        .module-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .module-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        .module-arrow {
            width: 20px;
            height: 20px;
            color: var(--text-secondary);
            flex-shrink: 0;
            transition: transform var(--transition), color var(--transition);
        }

        .module-item:hover .module-arrow {
            transform: translateX(4px);
            color: var(--primary);
        }

        /* 学习路径 */
        .cat-path {
            margin-bottom: 48px;
        }

        .cat-path>h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 24px;
            letter-spacing: -0.01em;
        }

        .path-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .path-step {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 24px;
            transition: transform var(--transition), box-shadow var(--transition);
            position: relative;
        }

        .path-step:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(11, 93, 70, 0.1);
            color: var(--primary);
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 14px;
            font-variant-numeric: tabular-nums;
        }

        .path-step h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .path-step p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* FAQ */
        .cat-faq {
            margin-bottom: 0;
        }

        .cat-faq>h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 24px;
            letter-spacing: -0.01em;
        }

        .faq-list {
            max-width: 840px;
        }

        .faq-item {
            background: rgba(11, 93, 70, 0.04);
            border-bottom: 1px solid var(--border);
            border-radius: 10px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: background var(--transition);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }

        .faq-summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            list-style: none;
            background: rgba(11, 93, 70, 0.04);
            transition: background var(--transition);
        }

        .faq-summary::-webkit-details-marker {
            display: none;
        }

        .faq-summary:hover {
            background: rgba(11, 93, 70, 0.08);
        }

        .faq-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            position: relative;
            border-radius: 50%;
            border: 1.5px solid var(--primary);
            transition: background var(--transition), border-color var(--transition);
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            left: 50%;
            top: 50%;
            width: 10px;
            height: 1.5px;
            background: var(--primary);
            transform: translate(-50%, -50%);
            border-radius: 1px;
        }

        .faq-icon::after {
            transform: translate(-50%, -50%) rotate(90deg);
        }

        .faq-item[open] .faq-summary {
            background: rgba(11, 93, 70, 0.08);
            border-top: 3px solid var(--accent);
        }

        .faq-item[open] .faq-icon::after {
            transform: translate(-50%, -50%) rotate(0deg);
        }

        .faq-panel {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            background: rgba(11, 93, 70, 0.02);
        }

        .faq-panel p {
            margin-bottom: 10px;
        }

        .faq-panel p:last-child {
            margin-bottom: 0;
        }

        /* 右侧 */
        .cat-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 100px;
        }

        .side-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 24px;
        }

        .side-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .side-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border);
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag {
            display: inline-block;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            transition: background var(--transition), border-color var(--transition), color var(--transition);
        }

        .tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(11, 93, 70, 0.04);
        }

        .tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .reading-list {
            list-style: none;
        }

        .reading-list li {
            border-bottom: 1px solid var(--border);
            padding: 10px 0;
        }

        .reading-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .reading-list a {
            font-size: 14px;
            color: var(--text-primary);
            line-height: 1.5;
            transition: color var(--transition);
            display: inline-block;
        }

        .reading-list a:hover {
            color: var(--primary);
        }

        .side-cta-card {
            background: var(--bg-dark);
            border-color: transparent;
            text-align: center;
        }

        .side-cta-card h3 {
            color: #fff;
            border-bottom-color: rgba(255, 255, 255, 0.2);
        }

        .side-cta-card p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            margin-bottom: 16px;
        }

        .side-cta-card .btn {
            width: 100%;
        }

        /* CTA 区 */
        .cat-cta {
            padding-bottom: 80px;
        }

        .cta-banner {
            background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary-dark) 82%, var(--accent) 82%, var(--accent) 100%);
            border-radius: 20px;
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
        }

        .cta-banner>* {
            position: relative;
            z-index: 2;
        }

        .cta-banner h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }

        .cta-banner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 页脚 */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand .brand {
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand .brand .brand-text {
            color: #fff;
        }

        .footer-brand .brand-text small {
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.65;
            color: rgba(255, 255, 255, 0.55);
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            padding: 5px 0;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent);
        }

        .footer-col span {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            padding-top: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.14);
            padding-top: 20px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
            text-decoration: underline;
        }

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

        /* 响应式 */
        @media (max-width: 1200px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .header-inner {
                gap: 14px;
            }

            .header-search {
                max-width: 380px;
            }

            .nav-link {
                padding: 8px 10px;
                font-size: 14px;
            }
        }

        @media (max-width: 1024px) {
            .header-inner {
                flex-wrap: wrap;
                min-height: 60px;
                padding-top: 10px;
                padding-bottom: 10px;
                gap: 10px;
            }

            .brand {
                margin-right: auto;
            }

            .nav-toggle {
                display: flex;
            }

            .desktop-search {
                display: none !important;
            }

            .main-nav {
                display: none;
            }

            .btn-nav {
                display: none !important;
            }

            .mobile-search-wrap {
                display: block;
            }

            .mobile-search-wrap .header-search {
                max-width: 100%;
                height: 42px;
                background: #F0EFEA;
            }

            .mobile-menu.show {
                display: block;
            }

            .cat-hero {
                padding: 60px 0 48px;
                min-height: 220px;
            }

            .cat-hero h1 {
                font-size: 36px;
            }

            .cat-layout {
                grid-template-columns: minmax(0, 1fr) 280px;
                gap: 32px;
            }

            .cat-intro {
                grid-template-columns: 1fr;
                padding: 24px;
            }

            .cat-intro-media img {
                height: 200px;
            }

            .path-steps {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .brand-text {
                font-size: 19px;
            }

            .brand-bar {
                width: 7px;
                height: 32px;
            }

            .cat-hero {
                padding: 48px 0 40px;
            }

            .cat-hero h1 {
                font-size: 30px;
            }

            .cat-hero .hero-desc {
                font-size: 15px;
            }

            .cat-main {
                padding: 48px 0 56px;
            }

            .cat-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .cat-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .module-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 20px 18px;
            }

            .module-num {
                font-size: 24px;
                width: auto;
            }

            .module-arrow {
                position: absolute;
                right: 18px;
                top: 24px;
            }

            .module-item {
                position: relative;
            }

            .module-body p {
                padding-right: 30px;
            }

            .cat-intro {
                padding: 20px;
            }

            .cat-intro h2 {
                font-size: 22px;
            }

            .cta-banner {
                padding: 48px 24px;
            }

            .cta-banner h2 {
                font-size: 26px;
            }

            .cta-banner p {
                font-size: 15px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-brand p {
                max-width: none;
            }
        }

        @media (max-width: 520px) {
            .brand-text {
                font-size: 17px;
            }

            .brand-text small {
                font-size: 11px;
            }

            .cat-hero h1 {
                font-size: 28px;
            }

            .cat-hero .hero-desc {
                font-size: 14px;
            }

            .cat-modules>h2,
            .cat-path>h2,
            .cat-faq>h2 {
                font-size: 22px;
            }

            .module-body h3 {
                font-size: 16px;
            }

            .faq-summary {
                font-size: 16px;
                padding: 16px 18px;
            }

            .faq-panel {
                padding: 0 18px 16px;
                font-size: 14px;
            }

            .cta-banner h2 {
                font-size: 22px;
            }

            .cta-banner .btn-lg {
                width: 100%;
            }

            .footer-bottom p {
                font-size: 12px;
                line-height: 1.5;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }

            html {
                scroll-behavior: auto;
            }
        }