/* roulang page: index */
:root {
            --brand: #1E7A45;
            --brand-dark: #156035;
            --brand-light: #EAF3EE;
            --accent: #FF6A2B;
            --accent-dark: #E4551E;
            --ink: #1A1D21;
            --bg-warm: #F7F8F5;
            --card-bg: #FFFFFF;
            --text-main: #25302B;
            --text-muted: #64736C;
            --border: #E3EAE5;
            --shadow: rgba(26, 60, 45, 0.10);
            --radius: 14px;
            --radius-sm: 10px;
            --radius-lg: 16px;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            margin: 0;
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background: var(--bg-warm);
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 800;
            color: var(--ink);
            margin: 0 0 0.5em;
            line-height: 1.35;
        }
        p {
            margin: 0 0 1em;
        }
        a {
            color: var(--brand);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--brand-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.2em;
        }
        .container {
            max-width: 1200px;
            padding-left: 16px;
            padding-right: 16px;
            margin: 0 auto;
        }
        .btn {
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border: 0;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
        }
        .btn-primary-custom,
        .btn-accent-custom {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 12px rgba(255, 106, 43, 0.25);
        }
        .btn-primary-custom:hover,
        .btn-accent-custom:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 106, 43, 0.35);
        }
        .btn-outline-custom {
            background: #fff;
            border: 2px solid var(--brand);
            color: var(--brand);
        }
        .btn-outline-custom:hover {
            background: var(--brand-light);
            color: var(--brand-dark);
            border-color: var(--brand-dark);
            transform: translateY(-2px);
        }
        .btn-lg-custom {
            padding: 14px 36px;
            font-size: 16px;
        }
        .text-link {
            color: var(--brand);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.2s ease;
        }
        .text-link:hover {
            gap: 8px;
            color: var(--brand-dark);
        }
        .badge-cat {
            display: inline-block;
            background: var(--brand-light);
            color: var(--brand);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 14px;
            border-radius: 999px;
            margin-right: 12px;
        }
        .section-head {
            margin-bottom: 40px;
        }
        .section-head h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .section-head p {
            font-size: 16px;
            color: var(--text-muted);
            margin: 0;
        }
        .section-head h2::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 24px;
            background: var(--accent);
            border-radius: 4px;
            margin-right: 12px;
            vertical-align: -3px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .header-top {
            height: 62px;
            border-bottom: 1px solid rgba(227, 234, 229, 0.6);
        }
        .header-top .container {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            background: var(--brand-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand);
            font-size: 20px;
            border: 1px solid var(--brand);
        }
        .brand-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }
        .brand-text em {
            font-style: normal;
            color: var(--brand);
            font-weight: 700;
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .search-form {
            display: flex;
            align-items: center;
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 0 6px 0 16px;
            height: 40px;
            transition: border 0.2s, box-shadow 0.2s;
        }
        .search-form:focus-within {
            border-color: var(--brand);
            box-shadow: 0 0 0 3px rgba(30, 122, 69, 0.15);
        }
        .search-form i {
            color: var(--text-muted);
            font-size: 14px;
            margin-right: 8px;
        }
        .search-form input {
            border: 0;
            background: transparent;
            outline: 0;
            font-size: 14px;
            width: 180px;
            color: var(--text-main);
            font-family: var(--font-family);
        }
        .search-form input::placeholder {
            color: #9aa5a0;
        }
        .search-btn {
            background: var(--brand);
            color: #fff;
            border: 0;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            cursor: pointer;
            transition: background 0.2s;
            font-family: var(--font-family);
        }
        .search-btn:hover {
            background: var(--brand-dark);
        }
        .header-hot {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hot-badge {
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-muted);
            padding: 4px 14px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
        }
        .hot-badge i {
            color: var(--accent);
        }
        .navbar-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border: 1px solid var(--border);
            background: var(--bg-warm);
            border-radius: 10px;
            font-size: 18px;
            color: var(--ink);
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }
        .category-bar {
            background: var(--brand-light);
            border-bottom: 1px solid var(--border);
        }
        .category-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 44px;
        }
        .nav-links {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
        }
        .nav-links li a {
            display: inline-flex;
            align-items: center;
            height: 34px;
            padding: 0 18px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            border-radius: 8px;
            transition: all 0.2s;
            position: relative;
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: var(--brand);
            background: rgba(255, 255, 255, 0.6);
        }
        .nav-links li a.active {
            color: var(--brand);
            background: #fff;
            box-shadow: 0 2px 8px rgba(30, 122, 69, 0.12);
        }
        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: -9px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 34px;
            padding: 0 18px;
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border-radius: 8px;
            transition: all 0.2s;
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--accent-dark);
            color: #fff;
        }

        /* ===== Hero ===== */
        .hero-section {
            background: var(--bg-warm);
            position: relative;
            overflow: hidden;
            padding: 72px 0 72px;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: radial-gradient(var(--border) 1px, transparent 1px);
            background-size: 28px 28px;
            opacity: 0.5;
            z-index: 0;
        }
        .hero-section .container {
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--brand-light);
            border: 1px solid var(--border);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand);
            padding: 5px 18px;
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--ink);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .hero-subtitle {
            font-size: 18px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 40px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
        }
        .hero-stats .stat-item {
            display: flex;
            flex-direction: column;
        }
        .hero-stats .stat-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }
        .hero-stats .stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }
        .hero-visual {
            background: linear-gradient(135deg, var(--brand-light), #fff);
            border-radius: var(--radius-lg);
            border: 8px solid #fff;
            box-shadow: 0 20px 40px var(--shadow);
            padding: 20px;
            position: relative;
        }
        .hero-visual img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            border-radius: var(--radius);
            border: 1px solid var(--border);
        }
        .hero-visual::after {
            content: '';
            position: absolute;
            bottom: -14px;
            left: 24px;
            right: 24px;
            height: 30px;
            background: radial-gradient(ellipse at center, rgba(26, 60, 45, 0.18), transparent 70%);
            border-radius: 50%;
            z-index: -1;
        }

        /* ===== 三步 ===== */
        .steps-section {
            padding: 80px 0;
            background: #fff;
        }
        .step-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 28px;
            position: relative;
            transition: all 0.3s ease;
            height: 100%;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 24px var(--shadow);
            border-color: transparent;
        }
        .step-num {
            width: 52px;
            height: 52px;
            background: var(--brand-light);
            border-radius: 50%;
            font-size: 22px;
            font-weight: 800;
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-family: 'Helvetica Neue', Arial, sans-serif;
        }
        .step-icon {
            font-size: 36px;
            color: var(--brand);
            margin-bottom: 14px;
            display: block;
        }
        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }
        .step-connector {
            position: absolute;
            top: 40px;
            left: calc(100% - 10px);
            width: 24px;
            color: var(--border);
            font-size: 18px;
            z-index: 2;
        }

        /* ===== 案例 ===== */
        .cases-section {
            padding: 80px 0;
            background: var(--brand-light);
        }
        .case-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(26, 60, 45, 0.12);
        }
        .case-img {
            overflow: hidden;
            aspect-ratio: 16 / 9;
            border-radius: 0;
        }
        .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .case-card:hover .case-img img {
            transform: scale(1.03);
        }
        .case-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .case-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .case-body p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 14px;
            flex: 1;
        }
        .badge-performance {
            display: inline-block;
            background: rgba(255, 106, 43, 0.12);
            color: var(--accent-dark);
            font-size: 13px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 8px;
            margin-bottom: 16px;
            align-self: flex-start;
        }
        .case-body .text-link {
            align-self: flex-start;
        }

        /* ===== 资讯列表 ===== */
        .news-section {
            padding: 80px 0;
            background: var(--bg-warm);
        }
        .news-list {
            border-top: 1px solid var(--border);
        }
        .news-list-item {
            display: flex;
            gap: 20px;
            padding: 22px 0;
            border-bottom: 1px solid var(--border);
            align-items: flex-start;
            transition: background 0.2s;
            text-decoration: none;
        }
        .news-list-item:hover {
            background: rgba(234, 243, 238, 0.4);
        }
        .news-thumb {
            flex-shrink: 0;
            width: 140px;
        }
        .news-thumb img {
            width: 140px;
            height: 88px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
        }
        .news-body {
            flex: 1;
            min-width: 0;
        }
        .news-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 8px;
            line-height: 1.4;
            transition: color 0.2s;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-list-item:hover .news-title {
            color: var(--brand);
        }
        .news-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            font-size: 12px;
            color: #9aa5a0;
            margin-bottom: 8px;
        }
        .news-meta .news-date,
        .news-meta .news-views {
            margin-right: 16px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.6;
        }
        .news-empty {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            font-size: 15px;
        }
        .view-all {
            color: var(--brand);
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .view-all:hover {
            gap: 8px;
            color: var(--brand-dark);
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
            background: #fff;
        }
        .accordion {
            max-width: 860px;
            margin: 0 auto;
        }
        .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius) !important;
            margin-bottom: 16px;
            overflow: hidden;
            background: var(--card-bg);
        }
        .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            background: var(--card-bg);
            padding: 18px 24px;
            border: 0;
            box-shadow: none !important;
            font-family: var(--font-family);
        }
        .accordion-button:not(.collapsed) {
            background: var(--brand-light);
            color: var(--brand);
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(30, 122, 69, 0.15) !important;
        }
        .accordion-button::after {
            background-image: none;
            content: '\f067';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s;
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            color: var(--brand);
        }
        .accordion-body {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            background: var(--brand-light);
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 96px 0;
            background: var(--ink);
            background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
            background-size: 28px 28px;
            position: relative;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 32px;
            text-align: center;
            margin-bottom: 8px;
        }
        .cta-section .cta-desc {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            text-align: center;
            margin-bottom: 40px;
        }
        .cta-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 40px;
            max-width: 920px;
            margin: 0 auto;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }
        .cta-card label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
            display: block;
        }
        .cta-card .form-control {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 14px;
            font-family: var(--font-family);
            background: var(--bg-warm);
            color: var(--text-main);
            transition: border 0.2s, box-shadow 0.2s;
            height: 48px;
        }
        .cta-card .form-control:focus {
            border-color: var(--brand);
            box-shadow: 0 0 0 3px rgba(30, 122, 69, 0.15);
            background: #fff;
            color: var(--text-main);
        }
        .cta-card .form-control::placeholder {
            color: #9aa5a0;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            margin-top: 24px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--ink);
            color: #c8d0ca;
            padding: 64px 0 0;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-logo .brand-icon {
            background: rgba(30, 122, 69, 0.3);
            border-color: rgba(30, 122, 69, 0.6);
            color: #8bd6a8;
        }
        .footer-logo em {
            font-style: normal;
            color: #8bd6a8;
        }
        .footer-desc {
            font-size: 14px;
            color: #a9b8b0;
            line-height: 1.7;
            max-width: 300px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 10px;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer ul li a {
            color: #c8d0ca;
            transition: color 0.2s;
        }
        .site-footer ul li a:hover {
            color: #8bd6a8;
        }
        .site-footer ul li i {
            color: #8bd6a8;
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            margin-top: 48px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: #8a9a92;
        }
        .footer-domain {
            font-size: 13px;
            color: #6f8a7c;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .hero-title {
                font-size: 38px;
            }
            .hero-visual img {
                height: 260px;
            }
        }
        @media (max-width: 991.98px) {
            .navbar-toggle {
                display: flex;
            }
            .category-bar {
                display: none;
                position: absolute;
                top: 62px;
                left: 0;
                right: 0;
                background: var(--bg-warm);
                border-bottom: 1px solid var(--border);
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
                z-index: 999;
            }
            .category-bar.open {
                display: block;
            }
            .category-bar .container {
                height: auto;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px 16px;
            }
            .nav-links {
                flex-direction: column;
                gap: 0;
            }
            .nav-links li a {
                display: flex;
                width: 100%;
                height: 46px;
                border-radius: 8px;
                padding: 0 14px;
                border-bottom: 1px solid rgba(227, 234, 229, 0.7);
            }
            .nav-links li a.active {
                background: var(--brand-light);
            }
            .nav-links li a.active::after {
                display: none;
            }
            .nav-cta {
                display: flex;
                justify-content: center;
                height: 44px;
                margin-top: 10px;
            }
            .hero-section {
                padding: 48px 0 56px;
            }
            .hero-title {
                font-size: 34px;
            }
            .hero-visual img {
                height: 240px;
            }
            .hero-stats {
                gap: 24px;
            }
            .steps-section,
            .cases-section,
            .news-section,
            .faq-section {
                padding: 56px 0;
            }
            .cta-section {
                padding: 72px 0;
            }
            .cta-card {
                padding: 28px 24px;
            }
            .step-connector {
                display: none;
            }
        }
        @media (max-width: 767.98px) {
            .hero-title {
                font-size: 30px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-btns .btn {
                width: 100%;
            }
            .hero-stats {
                gap: 16px 32px;
            }
            .hero-visual img {
                height: 200px;
                border-radius: 10px;
            }
            .news-thumb {
                width: 88px;
            }
            .news-thumb img {
                width: 88px;
                height: 66px;
            }
            .news-title {
                font-size: 16px;
            }
            .news-excerpt {
                font-size: 13px;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .section-head h2::before {
                height: 20px;
            }
            .cta-card .form-control {
                height: 44px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .brand-text {
                font-size: 18px;
            }
            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }
        }
        @media (max-width: 575.98px) {
            .header-top {
                height: 56px;
            }
            .hot-badge {
                display: none !important;
            }
            .search-form input {
                width: 120px;
            }
            .container {
                padding-left: 12px;
                padding-right: 12px;
            }
            .hero-section {
                padding: 40px 0 48px;
            }
            .hero-stats {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .step-card {
                padding: 24px 20px;
            }
            .case-body {
                padding: 18px;
            }
            .news-list-item {
                flex-direction: row;
                gap: 14px;
                padding: 16px 0;
            }
            .news-thumb {
                width: 80px;
            }
            .news-thumb img {
                width: 80px;
                height: 60px;
            }
            .cta-actions .btn {
                width: 100%;
            }
        }

/* roulang page: article */
:root {
    --brand: #1E7A45;
    --brand-dark: #166A3C;
    --brand-light: #EAF3EE;
    --brand-extra-light: #F0F7F2;
    --accent: #FF6A2B;
    --accent-dark: #E85D1F;
    --ink: #1A1D21;
    --bg-warm: #F7F8F5;
    --card-bg: #FFFFFF;
    --text-main: #25302B;
    --text-muted: #64736C;
    --border: #E3EAE5;
    --shadow: rgba(26, 60, 45, 0.10);
    --shadow-lg: rgba(26, 60, 45, 0.16);
    --radius: 14px;
    --radius-sm: 10px;
    --radius-lg: 16px;
    --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
    --transition: all 0.25s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: var(--bg-warm);
    color: var(--text-main);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

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

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

button:focus,
a:focus,
input:focus {
    outline: 2px solid rgba(30, 122, 69, 0.45);
    outline-offset: 2px;
}

.container {
    max-width: 1200px;
}

/* 按钮体系 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    border: 2px solid transparent;
    transition: var(--transition);
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff !important;
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    color: #fff !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 106, 43, 0.25);
}

.btn-outline {
    background: transparent;
    border-color: var(--brand);
    color: var(--brand) !important;
}

.btn-outline:hover,
.btn-outline:focus {
    background: var(--brand-light);
    border-color: var(--brand);
    color: var(--brand) !important;
    transform: translateY(-2px);
}

.btn-light-outline {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.65);
    color: #fff !important;
}

.btn-light-outline:hover,
.btn-light-outline:focus {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
    color: #fff !important;
    transform: translateY(-2px);
}

/* ============ Header ============ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 12px rgba(26, 60, 45, 0.05);
}

.header-top {
    height: 56px;
    display: flex;
    align-items: center;
}

.header-top .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    height: 100%;
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    text-decoration: none;
}

.brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--brand);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.brand-text {
    font-size: 22px;
    font-weight: 800;
    color: var(--ink);
    font-family: var(--font-main);
    letter-spacing: 0.01em;
    line-height: 1.2;
}

.brand-text em {
    font-style: normal;
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--brand);
    letter-spacing: 0.12em;
    margin-top: -2px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-search .search-form {
    display: flex;
    align-items: center;
    background: var(--bg-warm);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 4px 6px 4px 16px;
    width: 300px;
    transition: var(--transition);
}

.header-search .search-form:focus-within {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(30, 122, 69, 0.12);
    background: #fff;
}

.header-search .search-form i {
    color: var(--text-muted);
    font-size: 14px;
    margin-right: 8px;
}

.header-search .search-form input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 13px;
    color: var(--text-main);
    padding: 6px 0;
    outline: none;
    min-width: 0;
}

.header-search .search-form input::placeholder {
    color: #A0ADA5;
}

.search-btn {
    background: var(--brand);
    color: #fff;
    border: none;
    border-radius: 999px;
    padding: 6px 18px;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
    white-space: nowrap;
}

.search-btn:hover {
    background: var(--brand-dark);
}

.header-hot {
    display: flex;
    align-items: center;
    gap: 8px;
}

.hot-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    background: rgba(255, 106, 43, 0.08);
    padding: 4px 12px;
    border-radius: 999px;
}

.hot-badge i {
    font-size: 10px;
}

.navbar-toggle {
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    background: #fff;
    border-radius: 10px;
    color: var(--text-main);
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.navbar-toggle:hover {
    background: var(--brand-light);
    border-color: var(--brand);
}

/* 分类频道条 */
.category-bar {
    border-top: 1px solid var(--border);
    background: var(--brand-light);
    min-height: 40px;
    position: relative;
}

.category-bar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 4px 0;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.nav-links::-webkit-scrollbar {
    display: none;
}

.nav-links li {
    flex-shrink: 0;
}

.nav-links a {
    display: inline-block;
    padding: 6px 18px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-main);
    text-decoration: none;
    border-radius: 999px;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-links a:hover {
    color: var(--brand);
    background: rgba(30, 122, 69, 0.08);
}

.nav-links a.active {
    color: var(--brand);
    background: #fff;
    font-weight: 700;
    box-shadow: 0 2px 8px var(--shadow);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 700;
    color: #fff;
    background: var(--accent);
    padding: 6px 18px;
    border-radius: 999px;
    text-decoration: none;
    transition: var(--transition);
    flex-shrink: 0;
    white-space: nowrap;
}

.nav-cta:hover {
    background: var(--accent-dark);
    color: #fff;
    transform: translateY(-1px);
}

/* 移动端导航 */
@media (max-width: 991.98px) {
    .category-bar {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-warm);
        border-top: 1px solid var(--border);
        box-shadow: 0 12px 24px rgba(26, 60, 45, 0.12);
        max-height: 80vh;
        overflow-y: auto;
    }

    .category-bar.open {
        display: block;
    }

    .category-bar .container {
        flex-direction: column;
        align-items: stretch;
        padding: 12px 16px;
    }

    .nav-links {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0;
        overflow: visible;
    }

    .nav-links a {
        display: block;
        padding: 14px 16px;
        border-radius: 10px;
        font-size: 15px;
        border-bottom: 1px solid var(--border);
    }

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

    .nav-links a.active {
        background: var(--brand-light);
    }

    .nav-cta {
        margin-top: 12px;
        justify-content: center;
        padding: 12px;
        border-radius: 10px;
    }
}

/* ============ 面包屑 ============ */
.breadcrumb-nav {
    background: var(--bg-warm);
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
}

.breadcrumb {
    margin: 0;
    padding: 0;
    font-size: 13px;
    color: var(--text-muted);
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "/";
    color: #B9C6BE;
    padding: 0 8px;
}

.breadcrumb-item a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb-item a:hover {
    color: var(--brand);
}

.breadcrumb-item.active {
    color: var(--text-muted);
    max-width: 260px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ============ 文章头部 ============ */
.article-header {
    background: var(--brand-extra-light);
    padding: 56px 0 48px;
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.article-header::before {
    content: "";
    position: absolute;
    right: -80px;
    top: -80px;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: rgba(30, 122, 69, 0.06);
}

.article-header::after {
    content: "";
    position: absolute;
    left: -60px;
    bottom: -80px;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(255, 106, 43, 0.04);
}

.article-header-inner {
    max-width: 860px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.category-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--brand);
    color: #fff;
    padding: 5px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.03em;
    margin-bottom: 18px;
}

.category-pill i {
    font-size: 11px;
}

.article-title {
    font-size: 38px;
    font-weight: 800;
    line-height: 1.3;
    color: var(--ink);
    margin: 0 0 20px;
    letter-spacing: 0.01em;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 28px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.article-meta i {
    color: var(--brand);
    font-size: 14px;
}

.article-summary {
    background: rgba(255, 255, 255, 0.8);
    border-left: 4px solid var(--brand);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 16px 20px;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-muted);
    box-shadow: 0 2px 10px var(--shadow);
}

/* ============ 文章正文 ============ */
.article-body {
    background: #fff;
    padding: 48px 0 64px;
}

.article-content {
    max-width: 780px;
    margin: 0 auto;
    padding: 0 16px;
}

.article-content p {
    font-size: 16px;
    line-height: 1.85;
    margin-bottom: 24px;
    color: var(--text-main);
}

.article-content h2 {
    font-size: 24px;
    font-weight: 750;
    color: var(--ink);
    margin: 44px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--brand-light);
    position: relative;
}

.article-content h2::before {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 56px;
    height: 2px;
    background: var(--brand);
}

.article-content h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--ink);
    margin: 36px 0 16px;
}

.article-content h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-main);
    margin: 28px 0 12px;
}

.article-content a {
    color: var(--brand);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(30, 122, 69, 0.35);
}

.article-content a:hover {
    color: var(--accent);
    text-decoration-color: var(--accent);
}

.article-content img {
    display: block;
    width: 100%;
    border-radius: 12px;
    margin: 28px 0;
    box-shadow: 0 4px 20px var(--shadow);
}

.article-content figure {
    margin: 28px 0;
}

.article-content figure img {
    margin: 0 0 10px;
}

.article-content figcaption {
    font-size: 13px;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.6;
}

.article-content blockquote {
    background: var(--brand-light);
    border-left: 4px solid var(--brand);
    border-radius: 0 10px 10px 0;
    padding: 20px 24px;
    margin: 32px 0;
    color: var(--text-main);
    font-size: 15px;
    line-height: 1.75;
}

.article-content blockquote p:last-child {
    margin-bottom: 0;
}

.article-content ul,
.article-content ol {
    margin: 20px 0 24px;
    padding-left: 24px;
}

.article-content ul li {
    margin-bottom: 8px;
    padding-left: 4px;
}

.article-content ul li::marker {
    color: var(--brand);
}

.article-content ol li {
    margin-bottom: 8px;
    padding-left: 4px;
}

.article-content ol li::marker {
    color: var(--brand);
    font-weight: 700;
}

.article-content table {
    width: 100%;
    margin: 28px 0;
    border-collapse: collapse;
    font-size: 14px;
    line-height: 1.6;
}

.article-content table th {
    background: var(--brand-light);
    font-weight: 700;
    color: var(--ink);
    padding: 12px 16px;
    border: 1px solid var(--border);
    text-align: left;
}

.article-content table td {
    padding: 10px 16px;
    border: 1px solid var(--border);
    color: var(--text-main);
}

.article-content table tr:nth-child(even) td {
    background: #FAFBF9;
}

.article-content pre {
    background: var(--ink);
    color: #D5E8DC;
    padding: 20px 24px;
    border-radius: var(--radius);
    overflow-x: auto;
    font-size: 14px;
    line-height: 1.6;
    margin: 28px 0;
}

.article-content code {
    background: var(--brand-light);
    color: var(--brand-dark);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

.article-content pre code {
    background: transparent;
    color: inherit;
    padding: 0;
}

.article-content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 40px 0;
}

.article-content strong {
    font-weight: 700;
    color: var(--ink);
}

.article-content em {
    font-style: italic;
}

/* ============ 标签与翻页 ============ */
.article-footer-bar {
    max-width: 780px;
    margin: 0 auto;
    padding: 24px 16px 0;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    padding: 20px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}

.tag-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    margin-right: 4px;
}

.tag-label i {
    color: var(--brand);
    margin-right: 4px;
}

.tag-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--brand-light);
    color: var(--brand-dark);
    font-size: 13px;
    font-weight: 500;
    padding: 5px 14px;
    border-radius: 999px;
    text-decoration: none;
    transition: var(--transition);
}

.tag-pill:hover {
    background: var(--brand);
    color: #fff;
}

.article-pager {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 32px;
}

.pager-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-main);
    background: #fff;
    text-decoration: none;
    transition: var(--transition);
    flex: 0 1 auto;
    max-width: 48%;
}

.pager-btn i {
    color: var(--brand);
    transition: transform 0.2s ease;
}

.pager-btn:hover {
    border-color: var(--brand);
    color: var(--brand);
    background: var(--brand-extra-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.pager-btn.pager-next {
    margin-left: auto;
}

.pager-btn.pager-next:hover i {
    transform: translateX(3px);
}

.pager-btn.pager-prev:hover i {
    transform: translateX(-3px);
}

/* ============ 相关推荐 ============ */
.related-section {
    background: var(--bg-warm);
    padding: 64px 0;
    border-top: 1px solid var(--border);
}

.section-head {
    margin-bottom: 32px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
}

.section-head h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--ink);
    margin: 0;
    position: relative;
    padding-left: 16px;
}

.section-head h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 26px;
    border-radius: 3px;
    background: var(--accent);
}

.section-head .section-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--brand);
    text-decoration: none;
    transition: var(--transition);
}

.section-head .section-link:hover {
    color: var(--accent);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.related-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px var(--shadow);
    border-color: rgba(30, 122, 69, 0.25);
}

.related-card-img {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--brand-light);
}

.related-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.related-card:hover .related-card-img img {
    transform: scale(1.03);
}

.related-card-img .cat-flag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(30, 122, 69, 0.9);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 999px;
    backdrop-filter: blur(4px);
}

.related-card-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.related-card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.5;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: var(--transition);
}

.related-card:hover .related-card-title {
    color: var(--brand);
}

.related-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: auto;
}

.related-card-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.related-card-meta i {
    color: var(--brand);
    font-size: 12px;
}

/* ============ CTA 区块 ============ */
.cta-section {
    background: var(--ink);
    padding: 72px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    opacity: 0.08;
}

.cta-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
    padding: 0 16px;
}

.cta-inner h2 {
    font-size: 30px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
}

.cta-inner h2 span {
    color: var(--accent);
}

.cta-inner p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 28px;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ============ 内容未找到 ============ */
.not-found-section {
    background: var(--bg-warm);
    padding: 80px 0;
    min-height: 50vh;
    display: flex;
    align-items: center;
}

.not-found-box {
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 48px 32px;
    box-shadow: 0 4px 20px var(--shadow);
}

.not-found-icon {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    background: var(--brand-light);
    color: var(--brand);
    font-size: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.not-found-box h1 {
    font-size: 28px;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 10px;
}

.not-found-box p {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* ============ Footer ============ */
.site-footer {
    background: var(--ink);
    padding: 64px 0 0;
    color: #B9C6BE;
}

.site-footer .row {
    padding-bottom: 40px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    margin-bottom: 16px;
}

.footer-logo .brand-icon {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
}

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

.footer-logo .brand-text em {
    color: var(--accent);
}

.footer-desc {
    font-size: 14px;
    line-height: 1.7;
    color: #A7B3AB;
    margin-bottom: 0;
    max-width: 320px;
}

.site-footer h4 {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.site-footer h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 32px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

.site-footer ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-footer ul li {
    margin-bottom: 10px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #B9C6BE;
}

.site-footer ul li i {
    color: var(--brand);
    width: 16px;
    flex-shrink: 0;
}

.site-footer ul a {
    color: #B9C6BE;
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    padding: 2px 0;
}

.site-footer ul a:hover {
    color: #68D69B;
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    font-size: 13px;
    color: #8A9A90;
    flex-wrap: wrap;
}

.footer-domain {
    font-family: "SF Mono", "Consolas", monospace;
    font-size: 13px;
    letter-spacing: 0.03em;
    color: #8A9A90;
}

/* ============ 响应式 ============ */
@media (max-width: 1199.98px) {
    .header-search .search-form {
        width: 240px;
    }
}

@media (max-width: 991.98px) {
    .article-title {
        font-size: 32px;
    }

    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cta-section {
        padding: 56px 0;
    }
}

@media (max-width: 767.98px) {
    body {
        font-size: 15px;
    }

    .article-header {
        padding: 40px 0 36px;
    }

    .article-title {
        font-size: 26px;
        line-height: 1.35;
    }

    .article-meta {
        gap: 10px 20px;
        font-size: 12px;
    }

    .article-summary {
        font-size: 13px;
        padding: 14px 16px;
    }

    .article-body {
        padding: 36px 0 48px;
    }

    .article-content p {
        font-size: 15px;
        line-height: 1.8;
    }

    .article-content h2 {
        font-size: 21px;
    }

    .article-content h3 {
        font-size: 18px;
    }

    .related-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .article-pager {
        flex-direction: column;
        gap: 12px;
    }

    .pager-btn {
        max-width: 100%;
        justify-content: center;
    }

    .pager-btn.pager-next {
        margin-left: 0;
    }

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

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 575.98px) {
    .brand-text {
        font-size: 19px;
    }

    .article-header {
        padding: 32px 0;
    }

    .article-title {
        font-size: 23px;
    }

    .breadcrumb-item.active {
        max-width: 160px;
    }

    .related-card-body {
        padding: 16px;
    }

    .related-card-title {
        font-size: 15px;
    }

    .cta-section {
        padding: 48px 0;
    }

    .cta-actions {
        flex-direction: column;
    }
}

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

/* roulang page: category1 */
:root {
            --brand: #1E7A45;
            --brand-dark: #145C39;
            --brand-light: #EAF3EE;
            --accent: #FF6A2B;
            --accent-dark: #F05A1F;
            --ink: #1A1D21;
            --bg-warm: #F7F8F5;
            --card-bg: #FFFFFF;
            --text-main: #25302B;
            --text-muted: #64736C;
            --border: #E3EAE5;
            --shadow: 0 10px 24px rgba(26, 60, 45, 0.10);
            --shadow-sm: 0 4px 12px rgba(26, 60, 45, 0.08);
            --radius-lg: 14px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --transition: all .25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        button {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 16px;
            padding-right: 16px;
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.95);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 4px 16px rgba(26, 60, 45, 0.06);
        }

        .header-top {
            height: 56px;
            display: flex;
            align-items: center;
        }

        .header-top .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--brand-light);
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--ink);
            line-height: 1.2;
            letter-spacing: 0.5px;
        }

        .brand-text em {
            font-style: normal;
            color: var(--brand);
            font-weight: 700;
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .search-form {
            display: flex;
            align-items: center;
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 4px 4px 4px 14px;
            width: 300px;
            transition: var(--transition);
        }

        .search-form:focus-within {
            border-color: var(--brand);
            box-shadow: 0 0 0 3px rgba(30, 122, 69, 0.15);
        }

        .search-form i {
            color: var(--text-muted);
            font-size: 14px;
            margin-right: 8px;
        }

        .search-form input {
            flex: 1;
            min-width: 0;
            border: 0;
            background: transparent;
            outline: none;
            font-size: 14px;
            padding: 7px 0;
            color: var(--text-main);
        }

        .search-btn {
            background: var(--brand);
            color: #fff;
            border: 0;
            border-radius: var(--radius-sm);
            padding: 7px 16px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .search-btn:hover {
            background: var(--brand-dark);
        }

        .header-hot {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hot-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: #FFF1E9;
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            border-radius: 999px;
            padding: 5px 12px;
            border: 1px solid rgba(255, 106, 43, 0.25);
            white-space: nowrap;
        }

        .hot-badge i {
            font-size: 12px;
        }

        .navbar-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: #fff;
            color: var(--ink);
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition);
        }

        .navbar-toggle:hover {
            border-color: var(--brand);
            color: var(--brand);
        }

        .navbar-toggle:focus-visible {
            outline: 3px solid rgba(30, 122, 69, 0.3);
            outline-offset: 2px;
        }

        /* Category Bar */
        .category-bar {
            background: var(--brand-light);
            border-top: 1px solid rgba(30, 122, 69, 0.08);
            transition: var(--transition);
        }

        .category-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 44px;
            gap: 12px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 2px;
            flex-wrap: wrap;
        }

        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 9px 16px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            text-decoration: none;
            border-radius: var(--radius-sm);
            position: relative;
            transition: var(--transition);
            line-height: 1.4;
        }

        .nav-links li a:hover {
            color: var(--brand);
            background: rgba(30, 122, 69, 0.06);
        }

        .nav-links li a.active {
            color: var(--brand);
            background: #fff;
            box-shadow: 0 2px 8px rgba(26, 60, 45, 0.08);
        }

        .nav-links li a.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 3px;
            height: 2px;
            border-radius: 2px;
            background: var(--accent);
        }

        .nav-links li a:focus-visible {
            outline: 3px solid rgba(30, 122, 69, 0.3);
            outline-offset: -1px;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            padding: 8px 18px;
            border-radius: var(--radius-md);
            white-space: nowrap;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(255, 106, 43, 0.25);
        }

        .nav-cta:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(255, 106, 43, 0.35);
        }

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 15px;
            line-height: 1.5;
            padding: 12px 28px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 16px rgba(255, 106, 43, 0.28);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 22px rgba(255, 106, 43, 0.35);
        }

        .btn-outline-brand {
            border-color: var(--brand);
            background: #fff;
            color: var(--brand);
        }

        .btn-outline-brand:hover {
            background: var(--brand-light);
            color: var(--brand-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .btn:focus-visible {
            outline: 3px solid rgba(30, 122, 69, 0.3);
            outline-offset: 2px;
        }

        /* ========== Category Hero ========== */
        .category-hero {
            padding: 64px 0 72px;
            background: var(--bg-warm);
            border-bottom: 1px solid var(--border);
            background-image: radial-gradient(rgba(30, 122, 69, 0.07) 1px, transparent 1px);
            background-size: 26px 26px;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--text-muted);
            text-decoration: none;
        }

        .breadcrumb-nav a:hover {
            color: var(--brand);
        }

        .breadcrumb-nav i {
            font-size: 11px;
            color: #B5C0BA;
        }

        .breadcrumb-nav span {
            color: var(--brand);
            font-weight: 600;
        }

        .category-hero h1 {
            font-size: 40px;
            font-weight: 800;
            color: var(--ink);
            line-height: 1.25;
            margin: 0 0 16px;
            letter-spacing: 0.5px;
        }

        .hero-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 0 0 28px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .hero-trust {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .hero-trust span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
        }

        .hero-trust span::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }

        .hero-img-wrap {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid rgba(30, 122, 69, 0.18);
            box-shadow: 0 16px 40px rgba(26, 60, 45, 0.12);
            background: var(--brand-light);
        }

        .hero-img {
            width: 100%;
            height: 360px;
            object-fit: cover;
        }

        .hero-img-badge {
            position: absolute;
            left: 16px;
            bottom: 16px;
            background: rgba(26, 29, 33, 0.85);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 10px 16px;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            backdrop-filter: blur(6px);
        }

        .hero-img-badge i {
            color: #3DD68C;
        }

        /* ========== Section Head ========== */
        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 700;
            color: var(--brand);
            background: var(--brand-light);
            border-radius: 999px;
            padding: 6px 16px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .section-tag::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--ink);
            margin: 0 0 10px;
            line-height: 1.35;
        }

        .section-sub {
            font-size: 16px;
            color: var(--text-muted);
            margin: 0;
        }

        /* ========== Alternate Service Blocks ========== */
        .alt-section {
            padding: 80px 0;
            background: #fff;
        }

        .alt-block {
            margin-bottom: 64px;
        }

        .alt-block:last-child {
            margin-bottom: 0;
        }

        .alt-img-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            height: 100%;
            min-height: 280px;
            background: var(--brand-light);
        }

        .alt-img {
            width: 100%;
            height: 100%;
            min-height: 280px;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .alt-img-wrap:hover .alt-img {
            transform: scale(1.03);
        }

        .alt-content {
            padding: 12px 0;
        }

        .alt-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: var(--brand-light);
            color: var(--brand);
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .alt-content h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--ink);
            margin: 0 0 12px;
            line-height: 1.35;
        }

        .alt-content p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 0 0 18px;
        }

        .alt-list {
            list-style: none;
            padding: 0;
            margin: 0 0 22px;
        }

        .alt-list li {
            position: relative;
            padding-left: 24px;
            font-size: 14px;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.6;
        }

        .alt-list li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--brand);
            font-size: 13px;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 700;
            color: var(--brand);
            text-decoration: none;
        }

        .text-link i {
            transition: transform .25s ease;
        }

        .text-link:hover {
            color: var(--accent);
        }

        .text-link:hover i {
            transform: translateX(3px);
        }

        /* ========== Stats Band ========== */
        .stats-band {
            padding: 72px 0;
            background: var(--ink) url('/assets/images/backpic/back-3.png') no-repeat center center / cover;
            position: relative;
        }

        .stats-band::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(26, 29, 33, 0.88);
        }

        .stats-band .container {
            position: relative;
            z-index: 1;
        }

        .stat-item {
            text-align: center;
            padding: 28px 16px;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(6px);
            transition: var(--transition);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }

        .stat-num {
            display: block;
            font-size: 34px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 8px;
            letter-spacing: 1px;
        }

        .stat-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            letter-spacing: 1px;
        }

        /* ========== Scenario Section ========== */
        .scenario-section {
            padding: 80px 0;
            background: var(--brand-light);
        }

        .card-scenario {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            transition: var(--transition);
        }

        .card-scenario:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
            border-color: rgba(30, 122, 69, 0.25);
        }

        .scenario-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--brand-light);
            color: var(--brand);
            font-size: 20px;
            margin-bottom: 18px;
            transition: var(--transition);
        }

        .card-scenario:hover .scenario-icon {
            background: var(--brand);
            color: #fff;
            transform: scale(1.05);
        }

        .card-scenario h3 {
            font-size: 19px;
            font-weight: 800;
            color: var(--ink);
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .card-scenario p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0;
        }

        /* ========== Process Section ========== */
        .process-section {
            padding: 80px 0;
            background: var(--bg-warm);
        }

        .step-card {
            position: relative;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            height: 100%;
            transition: var(--transition);
        }

        .step-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--brand);
            color: #fff;
            font-size: 17px;
            font-weight: 800;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .step-icon {
            position: absolute;
            top: 28px;
            right: 26px;
            font-size: 22px;
            color: var(--brand-light);
            opacity: 0.7;
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 800;
            color: var(--ink);
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0;
        }

        /* ========== FAQ Section ========== */
        .faq-section {
            padding: 80px 0;
            background: #fff;
        }

        .custom-accordion .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 14px;
            background: var(--card-bg);
            box-shadow: none;
            transition: var(--transition);
        }

        .custom-accordion .accordion-item:hover {
            border-color: rgba(30, 122, 69, 0.3);
            box-shadow: var(--shadow-sm);
        }

        .custom-accordion .accordion-button {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            background: var(--card-bg);
            padding: 18px 22px;
            box-shadow: none;
            border: 0;
            transition: var(--transition);
            line-height: 1.5;
        }

        .custom-accordion .accordion-button:not(.collapsed) {
            color: var(--brand);
            background: var(--brand-light);
        }

        .custom-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(30, 122, 69, 0.15);
            border-radius: var(--radius-lg);
        }

        .custom-accordion .accordion-button::after {
            content: "+";
            background-image: none;
            font-size: 24px;
            font-weight: 300;
            color: var(--brand);
            width: 28px;
            height: 28px;
            line-height: 1;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: transform .3s ease;
            flex-shrink: 0;
            margin-left: auto;
        }

        .custom-accordion .accordion-button:not(.collapsed)::after {
            content: "×";
            transform: rotate(90deg);
        }

        .custom-accordion .accordion-body {
            padding: 0 22px 20px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            border-top: 1px dashed var(--border);
        }

        .custom-accordion .accordion-body p {
            margin: 14px 0 0;
        }

        /* ========== CTA Light ========== */
        .cta-light {
            padding: 24px 0 96px;
            background: var(--brand-light);
        }

        .cta-box {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 52px 40px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: var(--brand-light);
            opacity: 0.6;
        }

        .cta-box::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: #FFF1E9;
            opacity: 0.5;
        }

        .cta-box h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--ink);
            margin: 0 0 14px;
            line-height: 1.3;
            position: relative;
            z-index: 1;
        }

        .cta-box p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 0 auto 28px;
            max-width: 560px;
            position: relative;
            z-index: 1;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--ink);
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 0;
            font-size: 14px;
        }

        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            margin-bottom: 18px;
        }

        .footer-logo .brand-icon {
            background: rgba(255, 255, 255, 0.1);
            color: #5AD196;
        }

        .footer-logo .brand-text {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
        }

        .footer-logo .brand-text em {
            color: #5AD196;
        }

        .footer-desc {
            font-size: 14px;
            color: #A7B2AD;
            line-height: 1.8;
            margin: 0 0 24px;
            max-width: 320px;
        }

        .site-footer h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 18px;
            letter-spacing: 0.5px;
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer ul li {
            margin-bottom: 10px;
            font-size: 14px;
            color: #C8D0CA;
            line-height: 1.6;
        }

        .site-footer ul li i {
            color: #5AD196;
            font-size: 13px;
            margin-right: 8px;
            width: 16px;
            text-align: center;
        }

        .site-footer ul li a {
            color: #C8D0CA;
            text-decoration: none;
            transition: var(--transition);
        }

        .site-footer ul li a:hover {
            color: #5AD196;
            padding-left: 3px;
        }

        .footer-bottom {
            margin-top: 48px;
            padding: 22px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: #8A9A92;
        }

        .footer-domain {
            font-family: "SFMono-Regular", Consolas, monospace;
            font-size: 13px;
            color: #6C7A73;
            letter-spacing: 0.5px;
        }

        /* ========== Responsive ========== */
        @media (max-width: 991.98px) {
            .category-bar {
                display: none;
                background: var(--bg-warm);
                border-top: 1px solid var(--border);
                box-shadow: 0 12px 24px rgba(26, 60, 45, 0.08);
            }

            .category-bar.open {
                display: block;
                position: fixed;
                top: 56px;
                left: 0;
                right: 0;
                z-index: 1040;
                max-height: calc(100vh - 56px);
                overflow-y: auto;
            }

            .category-bar .container {
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px 20px;
                gap: 8px;
            }

            .nav-links {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                gap: 2px;
            }

            .nav-links li a {
                padding: 12px 14px;
                border-radius: var(--radius-md);
                font-size: 15px;
            }

            .nav-links li a.active {
                background: var(--brand-light);
            }

            .nav-links li a.active::after {
                display: none;
            }

            .nav-cta {
                justify-content: center;
                margin-top: 8px;
            }

            .category-hero {
                padding: 48px 0 56px;
            }

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

            .hero-img {
                height: 280px;
            }

            .alt-section,
            .scenario-section,
            .process-section,
            .faq-section {
                padding: 56px 0;
            }

            .section-head {
                margin-bottom: 36px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .alt-block {
                margin-bottom: 48px;
            }

            .alt-img-wrap,
            .alt-img {
                min-height: 230px;
            }
        }

        @media (max-width: 767.98px) {
            .container {
                padding-left: 12px;
                padding-right: 12px;
            }

            .brand-text {
                font-size: 17px;
            }

            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }

            .category-hero {
                padding: 36px 0 44px;
            }

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

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

            .hero-actions .btn {
                padding: 11px 20px;
                font-size: 14px;
            }

            .hero-img {
                height: 220px;
            }

            .hero-img-badge {
                font-size: 12px;
                padding: 8px 12px;
            }

            .section-head h2 {
                font-size: 22px;
            }

            .section-sub {
                font-size: 14px;
            }

            .alt-content h3 {
                font-size: 20px;
            }

            .stat-num {
                font-size: 28px;
            }

            .stat-item {
                padding: 20px 12px;
            }

            .cta-box {
                padding: 40px 22px;
                border-radius: 16px;
            }

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

            .cta-light {
                padding: 0 0 48px;
            }

            .footer-bottom {
                flex-direction: column;
                justify-content: center;
                text-align: center;
            }
        }

        @media (max-width: 575.98px) {
            .header-hot {
                display: none !important;
            }

            .search-form {
                max-width: 220px;
            }

            .search-btn {
                padding: 7px 12px;
                font-size: 13px;
            }

            .alt-img-wrap,
            .alt-img {
                min-height: 200px;
            }

            .step-card {
                padding: 24px 20px;
            }

            .card-scenario {
                padding: 22px 18px;
            }
        }

        /* Focus visible global */
        a:focus-visible {
            outline: 3px solid rgba(30, 122, 69, 0.3);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: category2 */
:root {
  --brand: #1E7A45;
  --brand-dark: #155C35;
  --brand-light: #EAF3EE;
  --accent: #FF6A2B;
  --accent-dark: #E85518;
  --ink: #1A1D21;
  --bg-warm: #F7F8F5;
  --card: #FFFFFF;
  --text-main: #25302B;
  --text-muted: #64736C;
  --border: #E3EAE5;
  --shadow: rgba(26, 60, 45, 0.10);
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --transition: 0.25s ease;
}
*, *::before, *::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-family);
  background: var(--bg-warm);
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6, p, ul, ol {
  margin: 0;
  padding: 0;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: var(--brand);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--brand-dark);
}
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid rgba(30, 122, 69, 0.35);
  outline-offset: 2px;
  border-radius: 4px;
}
button, input {
  font-family: inherit;
}
.container {
  max-width: 1200px;
  padding-left: 16px;
  padding-right: 16px;
}
section[id] {
  scroll-margin-top: 120px;
}

/* ========== 吸顶导航 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 18px var(--shadow);
}
.header-top {
  padding: 10px 0;
}
.header-top .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--ink);
  white-space: nowrap;
}
.brand-logo:hover {
  color: var(--ink);
}
.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--brand);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.brand-text em {
  font-style: normal;
  color: var(--brand);
  font-weight: 800;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 14px;
}
.search-form {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 5px 6px 5px 14px;
  transition: all var(--transition);
}
.search-form:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(30, 122, 69, 0.15);
}
.search-form i {
  color: var(--text-muted);
  font-size: 14px;
}
.search-form input {
  border: none;
  background: transparent;
  outline: none;
  width: 210px;
  font-size: 14px;
  color: var(--text-main);
}
.search-btn {
  border: none;
  background: var(--brand);
  color: #fff;
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 13px;
  transition: background var(--transition);
}
.search-btn:hover {
  background: var(--brand-dark);
}
.header-hot {
  display: flex;
  align-items: center;
  gap: 8px;
}
.hot-badge {
  font-size: 12px;
  color: var(--accent);
  background: #FFF4ED;
  border: 1px solid #FFD9C4;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 600;
  white-space: nowrap;
}
.navbar-toggle {
  background: var(--brand);
  border: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  color: #fff;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}
.navbar-toggle:hover {
  background: var(--brand-dark);
}
.category-bar {
  background: var(--brand-light);
}
.category-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 46px;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.nav-links a {
  display: block;
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  border-radius: 10px 10px 0 0;
  position: relative;
  transition: all var(--transition);
}
.nav-links a:hover {
  color: var(--brand);
  background: rgba(255, 255, 255, 0.6);
}
.nav-links a.active {
  color: var(--brand);
  background: rgba(255, 255, 255, 0.7);
}
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.nav-cta {
  background: var(--accent);
  color: #fff;
  padding: 8px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  transition: all var(--transition);
}
.nav-cta:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-1px);
}

/* ========== 按钮 ========== */
.btn-brand-main,
.btn-brand-outline,
.btn-ghost-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-brand-main {
  background: var(--accent);
  color: #fff;
}
.btn-brand-main:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(255, 106, 43, 0.35);
}
.btn-brand-outline {
  background: #fff;
  color: var(--brand);
  border: 2px solid var(--brand);
  padding: 10px 26px;
}
.btn-brand-outline:hover {
  background: var(--brand-light);
  color: var(--brand-dark);
}
.btn-ghost-white {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.6);
  padding: 10px 26px;
}
.btn-ghost-white:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}
.btn-link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand);
  font-weight: 700;
  font-size: 14px;
}
.btn-link-arrow i {
  transition: transform var(--transition);
}
.btn-link-arrow:hover i {
  transform: translateX(4px);
}

/* ========== 公共区块 ========== */
.section {
  padding: 80px 0;
}
.section-brand-light {
  background: var(--brand-light);
}
.section-dark {
  background: var(--ink);
  color: #fff;
}
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 44px;
}
.section-head .tag {
  display: inline-block;
  background: #FFF4ED;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.35;
  margin-bottom: 10px;
}
.section-head p {
  color: var(--text-muted);
  font-size: 16px;
}

/* ========== 分类页 Hero ========== */
.page-hero {
  padding: 72px 0;
  background: var(--bg-warm);
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  display: flex;
  align-items: center;
  gap: 48px;
}
.hero-copy {
  flex: 1 1 50%;
}
.hero-tag {
  display: inline-block;
  background: var(--brand-light);
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.hero-copy h1 {
  font-size: 36px;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.25;
  margin-bottom: 16px;
}
.hero-copy h1 span {
  color: var(--brand);
}
.hero-sub {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 24px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.hero-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.hero-stat .num {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}
.hero-stat .label {
  font-size: 13px;
  color: var(--text-muted);
}
.hero-visual {
  flex: 1 1 50%;
  min-width: 0;
}
.hero-visual img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 12px 32px var(--shadow);
}

/* ========== 指南卡片 ========== */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.guide-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.guide-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px var(--shadow);
}
.guide-card .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--brand-light);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 16px;
}
.guide-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
}
.guide-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}

/* ========== 深色说明区 ========== */
.guide-feature .feature-wrap {
  display: flex;
  align-items: center;
  gap: 48px;
}
.guide-feature .feature-media {
  flex: 1 1 48%;
  min-width: 0;
}
.guide-feature .feature-media img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.guide-feature .feature-copy {
  flex: 1 1 48%;
}
.guide-feature h2 {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  line-height: 1.35;
  margin-bottom: 14px;
}
.guide-feature .feature-copy > p {
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 20px;
}
.feature-list {
  list-style: none;
  padding: 0;
}
.feature-list li {
  display: flex;
  gap: 12px;
  padding: 8px 0;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.88);
  align-items: flex-start;
}
.feature-list i {
  color: #7FD6A8;
  margin-top: 6px;
  font-size: 14px;
}

/* ========== FAQ ========== */
.faq-wrap {
  max-width: 760px;
  margin: 0 auto;
}
.accordion-item {
  background: #fff;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-lg) !important;
  margin-bottom: 14px;
  overflow: hidden;
}
.accordion-button {
  padding: 18px 20px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  background: #fff;
  box-shadow: none !important;
  border-radius: var(--radius-lg) !important;
  transition: all var(--transition);
}
.accordion-button:not(.collapsed) {
  color: var(--brand);
  background: var(--brand-light);
  box-shadow: none;
}
.accordion-button:focus {
  box-shadow: 0 0 0 3px rgba(30, 122, 69, 0.15) !important;
}
.accordion-button::after {
  background-image: none;
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  content: "\f067";
  width: auto;
  height: auto;
  font-size: 16px;
  color: var(--brand);
  transform: none;
}
.accordion-button:not(.collapsed)::after {
  content: "\f068";
  transform: none;
}
.accordion-body {
  font-size: 14px;
  color: var(--text-muted);
  padding: 16px 20px 20px;
  line-height: 1.75;
}

/* ========== CTA ========== */
.cta-section {
  position: relative;
  padding: 90px 0;
  background-color: #142018;
  background-image: url("/assets/images/backpic/back-3.png");
  background-size: cover;
  background-position: center;
  background-blend-mode: multiply;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(20, 32, 26, 0.72);
}
.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.35;
}
.cta-inner p {
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 28px;
}
.cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--ink);
  color: #C8D0CA;
  padding: 60px 0 0;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
}
.footer-logo:hover {
  color: #fff;
}
.footer-logo .brand-text em {
  color: #7FD6A8;
}
.footer-desc {
  color: #9FB0A6;
  font-size: 14px;
  line-height: 1.75;
  margin-top: 14px;
  max-width: 320px;
}
.site-footer h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 14px;
}
.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.site-footer li {
  margin-bottom: 10px;
  font-size: 14px;
  color: #C8D0CA;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.site-footer li i {
  color: #7FD6A8;
  margin-top: 5px;
  width: 16px;
  text-align: center;
}
.site-footer a {
  color: #C8D0CA;
  font-size: 14px;
  transition: color var(--transition);
}
.site-footer a:hover {
  color: #7FD6A8;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 40px;
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: #8FA398;
}
.footer-domain {
  color: #6F8076;
}

/* ========== 响应式 ========== */
@media (max-width: 991.98px) {
  .hero-inner {
    flex-direction: column;
  }
  .hero-visual {
    order: 2;
  }
  .guide-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .guide-feature .feature-wrap {
    flex-direction: column;
  }
  .category-bar {
    display: none;
  }
  .category-bar.open {
    display: block;
    background: var(--bg-warm);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid var(--border);
  }
  .category-bar.open .nav-links {
    flex-direction: column;
    align-items: stretch;
    padding: 8px 0;
  }
  .category-bar.open .nav-links a {
    border-radius: var(--radius-md);
    padding: 12px 14px;
  }
  .category-bar.open .nav-links a.active::after {
    display: none;
  }
  .category-bar.open .nav-cta {
    margin: 4px 14px 14px;
    display: inline-flex;
    justify-content: center;
  }
}
@media (max-width: 767.98px) {
  .section {
    padding: 56px 0;
  }
  .page-hero {
    padding: 48px 0;
  }
  .hero-copy h1 {
    font-size: 32px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .guide-feature h2 {
    font-size: 24px;
  }
  .guide-grid {
    grid-template-columns: 1fr;
  }
  .cta-section {
    padding: 64px 0;
  }
  .cta-inner h2 {
    font-size: 26px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 575.98px) {
  body {
    font-size: 15px;
  }
  .header-top .container {
    gap: 10px;
  }
  .brand-logo {
    font-size: 18px;
  }
  .search-btn {
    padding: 6px 12px;
  }
  .hero-actions .btn-brand-main,
  .hero-actions .btn-brand-outline {
    width: 100%;
  }
  .hero-stats {
    gap: 20px;
  }
  .hero-stat .num {
    font-size: 24px;
  }
  .guide-card {
    padding: 20px;
  }
  .cta-actions .btn-brand-main,
  .cta-actions .btn-ghost-white {
    width: 100%;
  }
}