/* roulang page: index */
:root {
            --color-primary: #1D4A3A;
            --color-primary-dark: #143329;
            --color-accent: #C89B3C;
            --color-accent-light: #E3C77C;
            --color-bg: #FAF7F2;
            --color-surface: #FFFFFF;
            --color-text: #1A1D1B;
            --color-text-secondary: #5C655F;
            --color-border: #E7E1D5;
            --color-alert: #A94438;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            font-size: 16px;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease;
        }
        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
        }
        input {
            font-family: inherit;
            outline: none;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 40px;
            padding-right: 40px;
        }
        .section-pad {
            padding-top: 96px;
            padding-bottom: 96px;
        }
        .h2-title {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: 0;
            color: var(--color-text);
            margin-bottom: 16px;
        }
        .h3-title {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.4;
        }
        .body-text {
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text-secondary);
        }
        .small-text {
            font-size: 14px;
            line-height: 1.6;
        }
        .badge-text {
            font-size: 12px;
            line-height: 1.4;
        }

        /* ===== 导航 ===== */
        .site-header {
            height: 72px;
            background: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .site-header-inner {
            height: 72px;
            display: flex;
            align-items: center;
            gap: 24px;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 40px;
            padding-right: 40px;
        }
        .logo-brand {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: 0;
        }
        .logo-brand span {
            color: var(--color-accent);
        }
        .nav-cats {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-cats a {
            padding: 6px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 999px;
            position: relative;
            transition: color .2s;
        }
        .nav-cats a:hover {
            color: var(--color-primary);
        }
        .nav-cats a.active {
            color: var(--color-primary);
            font-weight: 700;
        }
        .nav-cats a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .nav-search {
            flex: 1;
            display: flex;
            justify-content: center;
        }
        .search-box {
            width: 100%;
            max-width: 480px;
            height: 44px;
            background: #F1EEE8;
            border-radius: 999px;
            border: 1px solid transparent;
            display: flex;
            align-items: center;
            padding: 0 20px;
            gap: 8px;
            transition: border-color .2s, box-shadow .2s;
        }
        .search-box:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(200, 155, 60, 0.25);
        }
        .search-box svg {
            flex-shrink: 0;
        }
        .search-box input {
            flex: 1;
            background: transparent;
            border: none;
            font-size: 14px;
            color: var(--color-text);
        }
        .search-box input::placeholder {
            color: #9AA29C;
        }
        .nav-login-btn {
            height: 44px;
            padding: 0 28px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: background .2s, transform .2s;
            white-space: nowrap;
            border: 1px solid var(--color-primary);
        }
        .nav-login-btn:hover {
            background: var(--color-primary-dark);
        }
        .nav-login-btn:active {
            transform: scale(.97);
        }
        .nav-login-btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .mobile-menu-btn {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            background: transparent;
            border-radius: 50%;
            border: 1px solid var(--color-border);
        }
        .mobile-menu-btn:hover {
            background: #F1EEE8;
        }
        .mobile-nav-wrap {
            display: none;
            background: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
            padding: 12px 20px;
        }
        .mobile-nav-wrap a {
            display: block;
            padding: 10px 12px;
            font-size: 15px;
            color: var(--color-text);
            border-radius: 8px;
        }
        .mobile-nav-wrap a:hover {
            background: #F1EEE8;
            color: var(--color-primary);
        }
        .mobile-nav-wrap .search-box {
            margin-bottom: 12px;
            max-width: 100%;
        }

        /* ===== Hero ===== */
        .hero-section {
            min-height: 560px;
            background: var(--color-bg);
            position: relative;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
            width: 100%;
        }
        .hero-text .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(29, 74, 58, 0.06);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 20px;
            border: 1px solid rgba(29, 74, 58, 0.1);
        }
        .hero-text h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.18;
            color: var(--color-text);
            margin-bottom: 20px;
            letter-spacing: 0;
        }
        .hero-divider {
            width: 40px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
            margin-bottom: 20px;
        }
        .hero-sub {
            font-size: 18px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 50px;
            padding: 0 32px;
            background: var(--color-accent);
            color: #1D4A3A;
            border-radius: 999px;
            font-size: 16px;
            font-weight: 700;
            border: 1px solid var(--color-accent);
            transition: background .2s, transform .2s, box-shadow .2s;
        }
        .btn-primary:hover {
            background: var(--color-accent-light);
            box-shadow: 0 4px 16px rgba(200, 155, 60, 0.3);
        }
        .btn-primary:active {
            transform: scale(.97);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 50px;
            padding: 0 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            background: transparent;
            border-radius: 999px;
            transition: color .2s, background .2s;
        }
        .btn-outline:hover {
            color: var(--color-accent);
        }
        .btn-outline .arrow-ico {
            transition: transform .2s;
        }
        .btn-outline:hover .arrow-ico {
            transform: translateX(4px);
        }
        .hero-visual {
            position: relative;
        }
        .hero-visual img {
            width: 100%;
            border-radius: 16px;
            box-shadow: 0 20px 60px rgba(0, 20, 10, 0.12);
            object-fit: cover;
        }
        .hero-visual::before {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(29, 74, 58, 0.06) 0%, rgba(29, 74, 58, 0) 60%);
            z-index: 1;
        }
        .hero-tag-float {
            position: absolute;
            bottom: 24px;
            left: 24px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            border-radius: 12px;
            padding: 12px 18px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .hero-tag-float .dot {
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            animation: pulse-dot 1.6s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: .6;
                transform: scale(1.3);
            }
        }

        /* ===== 信任入口条 ===== */
        .trust-strip {
            border-top: 1px solid var(--color-border);
            background: #fff;
            border-bottom: 1px solid var(--color-border);
        }
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            min-height: 72px;
        }
        .trust-item {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            padding: 12px 20px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            transition: background .2s, color .2s;
        }
        .trust-item:hover {
            background: rgba(29, 74, 58, 0.04);
            color: var(--color-primary);
        }
        .trust-item .icon-wrap {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(29, 74, 58, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--color-primary);
        }

        /* ===== 方案卡片 ===== */
        .card-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .promo-card {
            background: var(--color-surface);
            border-radius: 16px;
            padding: 40px 32px;
            box-shadow: 0 1px 3px rgba(0, 20, 10, 0.05), 0 12px 32px rgba(0, 20, 10, 0.06);
            transition: box-shadow .3s, transform .3s;
            border: 1px solid transparent;
            display: flex;
            flex-direction: column;
        }
        .promo-card:hover {
            box-shadow: 0 16px 40px rgba(0, 20, 10, 0.10);
            transform: translateY(-4px);
        }
        .promo-card-featured {
            background: var(--color-primary);
            border-top: 2px solid var(--color-accent);
            color: #fff;
        }
        .promo-card-featured:hover {
            box-shadow: 0 16px 40px rgba(29, 74, 58, 0.25);
        }
        .promo-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(29, 74, 58, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--color-primary);
        }
        .promo-card-featured .promo-icon {
            background: rgba(200, 155, 60, 0.15);
            color: var(--color-accent);
            border: 1px solid rgba(200, 155, 60, 0.3);
        }
        .promo-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .promo-card p {
            font-size: 14px;
            line-height: 1.6;
            color: var(--color-text-secondary);
            margin-bottom: 20px;
            flex: 1;
        }
        .promo-card-featured p {
            color: rgba(255, 255, 255, 0.75);
        }
        .promo-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
        }
        .promo-card-featured .promo-link {
            color: var(--color-accent);
        }
        .promo-link .arrow-ico {
            transition: transform .2s;
        }
        .promo-link:hover .arrow-ico {
            transform: translateX(4px);
        }

        /* ===== 数据带 ===== */
        .stats-band {
            background: var(--color-primary-dark);
            padding: 64px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
        }
        .stat-item {
            text-align: center;
            padding: 16px;
            position: relative;
        }
        .stat-item + .stat-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 56px;
            background: rgba(200, 155, 60, 0.3);
        }
        .stat-number {
            font-size: 48px;
            font-weight: 800;
            color: var(--color-accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }
        .stat-unit {
            font-size: 24px;
            font-weight: 700;
        }

        /* ===== 内容列表 ===== */
        .news-card {
            display: flex;
            background: var(--color-surface);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 1px 3px rgba(0, 20, 10, 0.05), 0 12px 32px rgba(0, 20, 10, 0.06);
            transition: box-shadow .3s, transform .3s;
            margin-bottom: 24px;
            border: 1px solid rgba(231, 225, 213, 0.6);
        }
        .news-card:hover {
            box-shadow: 0 16px 40px rgba(0, 20, 10, 0.10);
            transform: translateY(-2px);
        }
        .news-thumb {
            width: 160px;
            min-height: 150px;
            flex-shrink: 0;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s;
        }
        .news-card:hover .news-thumb img {
            transform: scale(1.03);
        }
        .news-body {
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            flex: 1;
        }
        .news-cat {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(200, 155, 60, 0.18);
            border-radius: 999px;
            padding: 3px 12px;
            margin-bottom: 8px;
            align-self: flex-start;
        }
        .news-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
            transition: color .2s;
        }
        .news-body h3:hover {
            color: var(--color-primary);
        }
        .news-meta {
            font-size: 13px;
            color: #8A938C;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .news-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-link {
            align-self: flex-end;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 8px;
        }
        .news-link .arrow-ico {
            transition: transform .2s;
        }
        .news-link:hover .arrow-ico {
            transform: translateX(4px);
        }
        .empty-state {
            height: 120px;
            border: 2px dashed var(--color-border);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            font-size: 15px;
            color: var(--color-text-secondary);
            background: rgba(255, 255, 255, 0.5);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 24px 0;
        }
        .faq-item:first-child {
            border-top: 1px solid var(--color-border);
        }
        .faq-item summary {
            font-size: 18px;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color .2s;
            gap: 20px;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            color: var(--color-primary);
        }
        .faq-item[open] summary {
            color: var(--color-primary);
        }
        .faq-plus {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform .3s, background .2s, border-color .2s;
            font-size: 18px;
            color: var(--color-primary);
            line-height: 1;
            padding-bottom: 2px;
        }
        .faq-item[open] .faq-plus {
            transform: rotate(45deg);
            background: rgba(200, 155, 60, 0.1);
            border-color: var(--color-accent);
        }
        .faq-answer {
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-secondary);
            padding-top: 14px;
            padding-right: 40px;
        }

        /* ===== CTA 表单 ===== */
        .cta-section {
            background: var(--color-bg);
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .cta-left {
            padding-right: 24px;
        }
        .cta-form-card {
            background: var(--color-surface);
            border-radius: 16px;
            padding: 32px;
            box-shadow: 0 1px 3px rgba(0, 20, 10, 0.05), 0 12px 32px rgba(0, 20, 10, 0.08);
            border: 1px solid var(--color-border);
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group select {
            width: 100%;
            height: 44px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 10px;
            padding: 0 16px;
            font-size: 14px;
            color: var(--color-text);
            transition: border-color .2s, box-shadow .2s;
        }
        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(200, 155, 60, 0.25);
        }
        .btn-submit {
            width: 100%;
            height: 48px;
            background: var(--color-accent);
            color: var(--color-primary);
            border-radius: 999px;
            font-size: 16px;
            font-weight: 700;
            transition: background .2s, transform .2s, box-shadow .2s;
            border: 1px solid var(--color-accent);
        }
        .btn-submit:hover {
            background: var(--color-accent-light);
            box-shadow: 0 4px 16px rgba(200, 155, 60, 0.35);
        }
        .btn-submit:active {
            transform: scale(.98);
        }
        .privacy-note {
            font-size: 13px;
            color: #8A938C;
            margin-top: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding-top: 64px;
            padding-bottom: 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand span {
            color: var(--color-accent);
        }
        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 14px;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 16px;
            text-transform: none;
        }
        .footer-col a {
            display: block;
            padding: 4px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            transition: color .2s;
        }
        .footer-col a:hover {
            color: var(--color-accent-light);
        }
        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            padding: 6px 0;
        }
        .footer-copy {
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            padding-top: 24px;
            line-height: 1.6;
        }

        /* ===== 返回顶部 ===== */
        .back-top {
            position: fixed;
            right: 30px;
            bottom: 30px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
            opacity: 0;
            pointer-events: none;
            transition: opacity .3s, background .2s, transform .2s;
            z-index: 99;
        }
        .back-top.show {
            opacity: 1;
            pointer-events: all;
        }
        .back-top:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
        }

        /* ===== 入场动画 ===== */
        @keyframes fade-up {
            from {
                opacity: 0;
                transform: translateY(8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-up {
            animation: fade-up .45s ease-out both;
        }

        /* ===== 响应式 ===== */
        @media (max-width:1199px) {
            .search-box {
                max-width: 360px;
            }
            .card-grid-3 {
                gap: 16px;
            }
            .promo-card {
                padding: 28px 20px;
            }
        }
        @media (max-width:991px) {
            .card-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-login-btn {
                width: 44px;
                padding: 0;
                justify-content: center;
            }
            .nav-login-btn .btn-text {
                display: none;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 0;
            }
            .stat-item:nth-child(3)::before {
                display: none;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual {
                order: 2;
            }
            .cta-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width:767px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .section-pad {
                padding-top: 56px;
                padding-bottom: 56px;
            }
            .h2-title {
                font-size: 24px;
            }
            .site-header-inner {
                padding-left: 20px;
                padding-right: 20px;
                gap: 12px;
            }
            .nav-cats {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .mobile-nav-wrap.show {
                display: block;
            }
            .search-box {
                max-width: 100%;
            }
            .hero-section {
                min-height: auto;
                padding: 48px 0 40px;
            }
            .hero-text h1 {
                font-size: 32px;
                line-height: 1.25;
            }
            .hero-sub {
                font-size: 16px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-3 {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 2fr;
            }
            .stat-item::before {
                display: none !important;
            }
            .news-card {
                flex-direction: column;
            }
            .news-thumb {
                width: 100%;
                height: 160px;
            }
            .cta-form-card {
                padding: 24px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .back-top {
                right: 16px;
                bottom: 16px;
            }
        }
        @media (max-width:480px) {
            .logo-brand {
                font-size: 17px;
            }
            .trust-item {
                padding: 10px 8px;
                font-size: 13px;
                flex-direction: column;
                gap: 6px;
            }
            .stats-grid {
                grid-template-columns: 2fr;
            }
            .stat-number {
                font-size: 36px;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: .01ms !important;
                transition-duration: .01ms !important;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1D4A3A;
            --color-primary-dark: #143329;
            --color-accent: #C89B3C;
            --color-accent-light: #E3C77C;
            --color-bg: #FAF7F2;
            --color-surface: #FFFFFF;
            --color-text: #1A1D1B;
            --color-text-secondary: #5C655F;
            --color-border: #E7E1D5;
            --color-alert: #A94438;
            --radius-card: 16px;
            --radius-img: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 1px 3px rgba(0, 20, 10, 0.05), 0 12px 32px rgba(0, 20, 10, 0.06);
            --shadow-card-hover: 0 16px 40px rgba(0, 20, 10, 0.10);
            --transition: 0.2s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
            outline: none;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 40px;
        }

        /* ===== Header ===== */
        .site-header {
            background: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 28px;
            height: 72px;
        }
        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
            line-height: 1.2;
        }
        .logo span {
            color: var(--color-accent);
            font-weight: 700;
        }
        .nav-cats {
            display: flex;
            gap: 4px;
            align-items: center;
            flex-shrink: 0;
        }
        .nav-cats a {
            font-size: 14px;
            color: var(--color-text-secondary);
            padding: 10px 14px;
            border-radius: var(--radius-pill);
            transition: color var(--transition), background var(--transition);
            font-weight: 500;
            position: relative;
        }
        .nav-cats a:hover {
            color: var(--color-primary);
            background: rgba(29, 74, 58, 0.06);
        }
        .nav-cats a.active {
            color: var(--color-primary);
            font-weight: 700;
        }
        .nav-cats a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .search-box {
            flex: 1;
            max-width: 480px;
            margin: 0 auto;
            height: 44px;
            background: #F1EEE8;
            border-radius: var(--radius-pill);
            border: 1px solid transparent;
            display: flex;
            align-items: center;
            padding: 0 18px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(200, 155, 60, 0.25);
        }
        .search-box svg {
            width: 16px;
            height: 16px;
            stroke: var(--color-text-secondary);
            flex-shrink: 0;
        }
        .search-box input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0 10px;
            font-size: 14px;
            color: var(--color-text);
        }
        .search-box input::placeholder {
            color: #9A9F9B;
        }
        .btn-login {
            background: var(--color-primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            flex-shrink: 0;
        }
        .btn-login:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 8px 24px rgba(29, 74, 58, 0.25);
        }
        .btn-login:active {
            transform: scale(0.97);
        }
        .btn-login:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-primary);
            background: #F1EEE8;
            cursor: pointer;
            transition: background var(--transition);
        }
        .menu-toggle:hover {
            background: #EAE5DD;
        }

        /* ===== Category Hero ===== */
        .cat-hero {
            position: relative;
            min-height: 260px;
            display: flex;
            align-items: center;
            background: var(--color-primary-dark);
            background-image: linear-gradient(115deg, rgba(20, 51, 41, 0.92) 35%, rgba(20, 51, 41, 0.65) 70%, rgba(29, 74, 58, 0.55) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 64px 0;
            color: #fff;
            overflow: hidden;
        }
        .cat-hero .container {
            position: relative;
            z-index: 2;
        }
        .cat-hero h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.5px;
            max-width: 700px;
        }
        .cat-hero h1 .divider {
            color: var(--color-accent-light);
            margin: 0 8px;
        }
        .cat-hero .hero-desc {
            margin-top: 18px;
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            line-height: 1.8;
        }
        .hero-line {
            width: 40px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-top: 20px;
            margin-bottom: 0;
        }

        /* ===== Tags ===== */
        .tags-section {
            padding: 40px 0 8px;
        }
        .tags-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-primary);
            background: #F0EDE4;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            transition: all var(--transition);
            cursor: default;
        }
        .tag-pill i {
            font-size: 12px;
            color: var(--color-accent);
        }
        .tag-pill:hover {
            border-color: var(--color-accent);
            background: #FFF9EB;
        }

        /* ===== Section通用 ===== */
        .section {
            padding: 72px 0;
        }
        .section-label {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--color-text);
            margin-bottom: 44px;
            position: relative;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 40px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-top: 12px;
        }

        /* ===== Features ===== */
        .features-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .feature-card.feature-dark {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
            border-top: 2px solid var(--color-accent);
        }
        .feature-card.feature-dark .feature-title {
            color: #fff;
        }
        .feature-card.feature-dark .feature-desc {
            color: rgba(255, 255, 255, 0.8);
        }
        .feature-card.feature-dark .feature-link {
            color: var(--color-accent-light);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(29, 74, 58, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            margin-bottom: 22px;
        }
        .feature-dark .feature-icon {
            background: rgba(255, 255, 255, 0.12);
            color: var(--color-accent-light);
        }
        .feature-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--color-text);
            line-height: 1.4;
        }
        .feature-desc {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-text-secondary);
            flex: 1;
        }
        .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            margin-top: 18px;
            transition: gap 0.2s ease;
        }
        .feature-link:hover {
            gap: 10px;
        }

        /* ===== Scenarios ===== */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .scenario-card {
            display: flex;
            gap: 20px;
            padding: 28px 24px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .scenario-icon {
            width: 48px;
            height: 48px;
            flex-shrink: 0;
            border-radius: 12px;
            background: rgba(200, 155, 60, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-accent);
        }
        .scenario-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }
        .scenario-body p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-text-secondary);
        }

        /* ===== Process ===== */
        .process-section {
            background: var(--color-primary-dark);
            color: #fff;
        }
        .process-section .section-title {
            color: #fff;
        }
        .process-section .section-title::after {
            background: var(--color-accent);
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .process-step {
            position: relative;
            padding: 28px 24px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-card);
            transition: background var(--transition), border-color var(--transition);
        }
        .process-step:hover {
            background: rgba(255, 255, 255, 0.09);
            border-color: rgba(200, 155, 60, 0.4);
        }
        .step-num {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 1px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .step-num::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
            display: inline-block;
        }
        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }
        .process-step p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 22px 4px;
        }
        .faq-item:first-child {
            border-top: 1px solid var(--color-border);
        }
        .faq-item summary {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color var(--transition);
            line-height: 1.5;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            color: var(--color-primary);
        }
        .faq-item[open] summary {
            color: var(--color-primary);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            border-radius: 50%;
            background: rgba(29, 74, 58, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--color-primary);
            transition: transform 0.3s ease, background 0.3s ease;
            margin-left: 16px;
        }
        .faq-item[open] .faq-icon {
            transform: rotate(45deg);
            background: rgba(200, 155, 60, 0.15);
            color: var(--color-accent);
        }
        .faq-answer {
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-secondary);
            padding: 14px 46px 6px 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-primary);
            padding: 72px 0;
            color: #fff;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--color-accent);
            color: var(--color-primary-dark);
            font-size: 16px;
            font-weight: 700;
            padding: 14px 36px;
            border-radius: var(--radius-pill);
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }
        .btn-cta:hover {
            background: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
        }
        .btn-cta:active {
            transform: scale(0.97);
        }
        .btn-cta:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 3px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .footer-brand span {
            color: var(--color-accent);
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            padding: 6px 0;
            transition: color var(--transition), padding-left 0.2s ease;
        }
        .footer-col a:hover {
            color: var(--color-accent-light);
            padding-left: 4px;
        }
        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            padding: 8px 0;
            line-height: 1.6;
        }
        .footer-copy {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            text-align: center;
        }

        /* ===== Animations ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .cat-hero .container {
            animation: fadeUp 0.45s ease-out;
        }
        .feature-card,
        .scenario-card,
        .process-step {
            animation: fadeUp 0.4s ease-out both;
        }
        .feature-card:nth-child(1),
        .scenario-card:nth-child(1),
        .process-step:nth-child(1) {
            animation-delay: 0.05s;
        }
        .feature-card:nth-child(2),
        .scenario-card:nth-child(2),
        .process-step:nth-child(2) {
            animation-delay: 0.1s;
        }
        .feature-card:nth-child(3),
        .scenario-card:nth-child(3),
        .process-step:nth-child(3) {
            animation-delay: 0.15s;
        }
        .scenario-card:nth-child(4),
        .process-step:nth-child(4) {
            animation-delay: 0.2s;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199px) {
            .search-box {
                max-width: 360px;
            }
            .nav-cats a {
                padding: 10px 10px;
                font-size: 13px;
            }
        }
        @media (max-width: 991px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-cats {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .nav-cats.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--color-bg);
                border-bottom: 1px solid var(--color-border);
                padding: 12px 20px;
                gap: 4px;
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
            }
            .nav-cats.mobile-open a {
                padding: 12px 14px;
                font-size: 15px;
                width: 100%;
                border-radius: 10px;
            }
            .nav-cats.mobile-open a.active::after {
                display: none;
            }
            .nav-cats.mobile-open a.active {
                background: rgba(29, 74, 58, 0.08);
            }
        }
        @media (max-width: 767px) {
            .container {
                padding: 0 20px;
            }
            .header-inner {
                flex-wrap: wrap;
                height: auto;
                padding: 12px 0;
                gap: 12px;
            }
            .logo {
                font-size: 19px;
            }
            .search-box {
                order: 3;
                width: 100%;
                max-width: none;
                margin: 0;
            }
            .btn-login {
                margin-left: auto;
                padding: 8px 18px;
                font-size: 13px;
            }
            .menu-toggle {
                margin-left: 0;
            }
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 24px;
                margin-bottom: 32px;
            }
            .cat-hero {
                min-height: 220px;
                padding: 48px 0;
            }
            .cat-hero h1 {
                font-size: 28px;
            }
            .hero-desc {
                font-size: 14px;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .scenarios-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .tags-wrap {
                flex-wrap: nowrap;
                overflow-x: auto;
                padding-bottom: 12px;
                -webkit-overflow-scrolling: touch;
            }
            .tag-pill {
                flex-shrink: 0;
                font-size: 13px;
            }
            .faq-item summary {
                font-size: 16px;
            }
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .btn-cta {
                width: 100%;
                justify-content: center;
                font-size: 15px;
                padding: 14px 24px;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                align-items: center;
            }
            .logo {
                font-size: 17px;
            }
            .btn-login {
                font-size: 12px;
                padding: 8px 14px;
            }
            .cat-hero h1 {
                font-size: 24px;
                line-height: 1.35;
            }
            .cat-hero .hero-desc {
                font-size: 13px;
            }
            .tag-pill {
                font-size: 12px;
                padding: 6px 14px;
            }
            .footer-contact-item {
                font-size: 13px;
                word-break: break-all;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1D4A3A;
            --color-primary-dark: #143329;
            --color-accent: #C89B3C;
            --color-accent-light: #E3C77C;
            --color-bg: #FAF7F2;
            --color-surface: #FFFFFF;
            --color-text: #1A1D1B;
            --color-text-secondary: #5C655F;
            --color-border: #E7E1D5;
            --color-alert: #A94438;
            --radius-lg: 16px;
            --radius-md: 12px;
            --shadow-card: 0 1px 3px rgba(0,20,10,0.05), 0 12px 32px rgba(0,20,10,0.06);
            --shadow-hover: 0 16px 40px rgba(0,20,10,0.10);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            font-size: 16px;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 40px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: 72px;
        }

        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .logo span {
            color: var(--color-accent);
        }

        .nav-cats {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-cats a {
            font-size: 14px;
            color: var(--color-text-secondary);
            padding: 8px 14px;
            border-radius: 999px;
            transition: all 0.2s ease;
            position: relative;
            font-weight: 500;
            white-space: nowrap;
        }

        .nav-cats a:hover {
            color: var(--color-primary);
            background: rgba(29, 74, 58, 0.06);
        }

        .nav-cats a.active {
            color: var(--color-primary);
            font-weight: 700;
            background: rgba(29, 74, 58, 0.08);
        }

        .nav-cats a.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--color-accent);
        }

        .header-search {
            display: flex;
            align-items: center;
            gap: 10px;
            background: #F1EEE8;
            border: 1px solid transparent;
            border-radius: 999px;
            height: 44px;
            padding: 0 18px;
            max-width: 480px;
            width: 100%;
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        .header-search:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(200, 155, 60, 0.25);
        }

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

        .header-search input {
            border: none;
            outline: none;
            background: transparent;
            width: 100%;
            font-size: 14px;
            color: var(--color-text);
        }

        .header-search input::placeholder {
            color: #9CA39E;
        }

        .header-login-btn {
            background: var(--color-primary);
            color: #fff;
            border-radius: 999px;
            padding: 10px 24px;
            font-size: 14px;
            font-weight: 600;
            transition: background 0.2s, transform 0.1s;
            white-space: nowrap;
        }

        .header-login-btn:hover {
            background: var(--color-primary-dark);
        }

        .header-login-btn:active {
            transform: scale(0.97);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            padding: 8px;
        }

        .mobile-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-text);
            margin: 5px 0;
            border-radius: 2px;
            transition: transform 0.3s;
        }

        /* ===== Category Hero ===== */
        .cat-hero {
            position: relative;
            background: var(--color-primary-dark);
            background-image: linear-gradient(to right, rgba(20, 51, 41, 0.94), rgba(29, 74, 58, 0.82)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 64px 0 56px;
            overflow: hidden;
        }

        .cat-hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--color-accent) 0%, rgba(200, 155, 60, 0) 100%);
        }

        .cat-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(200, 155, 60, 0.16);
            border: 1px solid rgba(200, 155, 60, 0.4);
            color: var(--color-accent-light);
            border-radius: 999px;
            font-size: 13px;
            padding: 6px 16px;
            font-weight: 600;
        }

        .cat-hero h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.2;
            margin: 18px 0 12px;
            letter-spacing: 0.5px;
        }

        .cat-hero h1 span {
            color: var(--color-accent-light);
        }

        .cat-hero .hero-underline {
            width: 40px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
        }

        .cat-hero p {
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin-top: 18px;
            font-size: 16px;
            line-height: 1.8;
        }

        /* ===== Capsule Tabs ===== */
        .cat-tabs {
            padding: 32px 0 8px;
        }

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

        .tabs-wrap a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 8px 18px;
            border-radius: 999px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            transition: all 0.2s;
        }

        .tabs-wrap a:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
        }

        /* ===== Cards Grid ===== */
        .cat-cards {
            padding: 56px 0 48px;
        }

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

        .cat-cards .section-head h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--color-text);
            line-height: 1.25;
        }

        .cat-cards .section-head p {
            color: var(--color-text-secondary);
            margin-top: 8px;
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid rgba(231, 225, 213, 0.5);
        }

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

        .service-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .service-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .service-card .card-body {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card .card-body h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 10px;
        }

        .service-card .card-body p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex: 1;
        }

        .service-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            transition: gap 0.2s;
        }

        .service-card .card-link:hover {
            gap: 10px;
            color: var(--color-accent);
        }

        .service-card.featured {
            background: var(--color-primary);
            border-top: 3px solid var(--color-accent);
        }

        .service-card.featured .card-body h3,
        .service-card.featured .card-body p {
            color: #fff;
        }

        .service-card.featured .card-body p {
            color: rgba(255, 255, 255, 0.85);
        }

        .service-card.featured .card-link {
            color: var(--color-accent-light);
        }

        /* ===== Process ===== */
        .cat-process {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            padding: 64px 0;
        }

        .cat-process h2 {
            font-size: 30px;
            font-weight: 800;
            text-align: center;
            margin-bottom: 8px;
        }

        .process-sub {
            text-align: center;
            color: var(--color-text-secondary);
            margin-bottom: 48px;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }

        .step-item {
            text-align: center;
            padding: 24px 16px;
            border-radius: var(--radius-lg);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            position: relative;
            transition: transform 0.2s;
        }

        .step-item:hover {
            transform: translateY(-4px);
        }

        .step-item::before {
            counter-increment: step;
            content: "0" counter(step);
            display: block;
            font-size: 32px;
            font-weight: 800;
            color: var(--color-accent);
            font-variant-numeric: tabular-nums;
            margin-bottom: 12px;
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--color-text);
        }

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

        .step-arrow {
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 22px;
        }

        /* ===== Data Band ===== */
        .data-band {
            background: var(--color-primary-dark);
            padding: 56px 0;
        }

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

        .data-item {
            text-align: center;
            padding: 16px;
            border-right: 1px solid rgba(200, 155, 60, 0.3);
        }

        .data-item:last-child {
            border-right: none;
        }

        .data-item .num {
            font-size: 44px;
            font-weight: 800;
            color: var(--color-accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.1;
        }

        .data-item .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 8px;
        }

        /* ===== FAQ ===== */
        .cat-faq {
            padding: 64px 0;
        }

        .cat-faq h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .faq-sub {
            color: var(--color-text-secondary);
            margin-bottom: 40px;
        }

        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
        }

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

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            list-style: none;
            padding: 22px 8px;
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            transition: color 0.2s;
            position: relative;
        }

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

        .faq-item summary::after {
            content: "+";
            font-size: 24px;
            color: var(--color-accent);
            transition: transform 0.3s;
            font-weight: 400;
            margin-left: 16px;
            flex-shrink: 0;
        }

        .faq-item[open] summary {
            color: var(--color-primary);
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }

        .faq-item .answer {
            padding: 0 8px 24px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cat-cta {
            background: var(--color-primary);
            padding: 64px 0;
            color: #fff;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .cat-cta h2 {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.3;
        }

        .cat-cta .cta-text {
            color: rgba(255, 255, 255, 0.85);
            margin-top: 14px;
            line-height: 1.8;
        }

        .cta-contact {
            margin-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .cta-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.9);
        }

        .cta-form-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
        }

        .cta-form-card label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .cta-form-card input,
        .cta-form-card textarea {
            width: 100%;
            border: 1px solid var(--color-border);
            border-radius: 10px;
            padding: 12px 14px;
            font-size: 14px;
            font-family: inherit;
            background: var(--color-bg);
            color: var(--color-text);
            outline: none;
            transition: border-color 0.2s, box-shadow 0.2s;
            margin-bottom: 16px;
        }

        .cta-form-card input:focus,
        .cta-form-card textarea:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(200, 155, 60, 0.25);
            background: #fff;
        }

        .cta-form-card textarea {
            min-height: 110px;
            resize: vertical;
        }

        .btn-submit {
            background: var(--color-accent);
            color: var(--color-primary-dark);
            border: none;
            border-radius: 999px;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 700;
            width: 100%;
            transition: background 0.2s, transform 0.1s;
        }

        .btn-submit:hover {
            background: var(--color-accent-light);
        }

        .btn-submit:active {
            transform: scale(0.97);
        }

        .privacy-note {
            display: flex;
            align-items: flex-start;
            gap: 6px;
            font-size: 12px;
            color: #8A918C;
            margin-top: 14px;
            line-height: 1.6;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 24px;
        }

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

        .footer-brand {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand span {
            color: var(--color-accent);
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 16px;
            text-transform: none;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 10px;
            transition: color 0.2s;
        }

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

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 12px;
        }

        .footer-copy {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199px) {
            .header-search {
                max-width: 360px;
            }
        }

        @media (max-width: 991px) {
            .header-search {
                max-width: 240px;
            }

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

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

            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .data-grid {
                grid-template-columns: repeat(4, 1fr);
            }

            .data-item .num {
                font-size: 36px;
            }

            .cta-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding: 0 20px;
            }

            .header-inner {
                height: auto;
                flex-wrap: wrap;
                padding: 14px 0;
                gap: 12px;
            }

            .logo {
                font-size: 20px;
            }

            .nav-cats {
                order: 3;
                width: 100%;
                overflow-x: auto;
                display: flex;
                padding: 4px 0 2px;
                gap: 4px;
                -webkit-overflow-scrolling: touch;
            }

            .nav-cats a {
                font-size: 13px;
                white-space: nowrap;
            }

            .header-search {
                order: 2;
                max-width: 100%;
                width: 100%;
            }

            .header-login-btn {
                display: none;
            }

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

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

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

            .process-steps {
                grid-template-columns: 1fr;
            }

            .data-grid {
                grid-template-columns: 2fr 2fr;
                gap: 16px;
            }

            .data-item {
                border-right: none;
            }

            .data-item .num {
                font-size: 32px;
            }

            .cat-cards .section-head h2,
            .cat-process h2,
            .cat-faq h2,
            .cat-cta h2 {
                font-size: 24px;
            }

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

            .footer-desc {
                max-width: 100%;
            }

            .cta-form-card {
                padding: 24px;
            }
        }

        @media (max-width: 520px) {
            .cat-hero h1 {
                font-size: 26px;
            }

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

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

        /* ===== Animations ===== */
        .animate-fade {
            animation: fadeUp 0.45s ease-out both;
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

/* roulang page: article */
:root {
  --color-primary: #1D4A3A;
  --color-primary-dark: #143329;
  --color-accent: #C89B3C;
  --color-accent-light: #E3C77C;
  --color-bg: #FAF7F2;
  --color-surface: #FFFFFF;
  --color-text: #1A1D1B;
  --color-text-secondary: #5C655F;
  --color-border: #E7E1D5;
  --color-alert: #A94438;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-card: 0 1px 3px rgba(0, 20, 10, 0.05), 0 12px 32px rgba(0, 20, 10, 0.06);
  --shadow-hover: 0 16px 40px rgba(0, 20, 10, 0.10);
  --max-width: 1280px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.75;
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

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

input {
  font-family: inherit;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: 40px;
  padding-right: 40px;
}

@media (max-width: 767px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.logo {
  font-size: 23px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.4px;
  white-space: nowrap;
  line-height: 1.2;
  transition: opacity 0.2s;
}

.logo:hover {
  opacity: 0.82;
}

.logo span {
  color: var(--color-accent);
  font-weight: 800;
}

.nav-cats {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-cats a {
  padding: 7px 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: 999px;
  position: relative;
  white-space: nowrap;
  transition: color 0.2s, background 0.2s;
}

.nav-cats a::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 2px;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
  transition: width 0.25s;
}

.nav-cats a:hover {
  color: var(--color-primary);
  background: rgba(29, 74, 58, 0.06);
}

.nav-cats a:hover::after,
.nav-cats a.active::after {
  width: 70%;
}

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

.header-search {
  flex: 1;
  max-width: 480px;
  height: 44px;
  background: #F1EEE8;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 18px;
  border: 1px solid transparent;
  transition: border-color 0.2s, box-shadow 0.2s;
  margin-left: auto;
  margin-right: auto;
}

.header-search:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(200, 155, 60, 0.25);
}

.header-search .search-icon {
  flex-shrink: 0;
  width: 17px;
  height: 17px;
  color: #8A928C;
}

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

.header-search input::placeholder {
  color: #9AA29C;
}

.btn-login {
  height: 40px;
  padding: 0 22px;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
  white-space: nowrap;
  border: none;
  flex-shrink: 0;
}

.btn-login:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.btn-login:active {
  transform: scale(0.98);
}

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

.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  transition: background 0.2s;
  flex-shrink: 0;
}

.mobile-menu-btn:hover {
  background: rgba(29, 74, 58, 0.06);
}

.mobile-menu-btn svg {
  width: 20px;
  height: 20px;
}

/* ===== Button ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  transition: all 0.25s;
  border: none;
  cursor: pointer;
  line-height: 1.3;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: #1A1D1B;
}

.btn-primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(200, 155, 60, 0.3);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-dark {
  background: var(--color-primary);
  color: #fff;
}

.btn-dark:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(29, 74, 58, 0.3);
}

.btn-dark:active {
  transform: scale(0.98);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-outline:hover {
  background: rgba(29, 74, 58, 0.06);
  transform: translateY(-2px);
}

.btn-outline:active {
  transform: scale(0.98);
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(200, 155, 60, 0.25);
}

/* ===== Article Page ===== */
.article-page {
  padding: 40px 0 72px;
  min-height: 60vh;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: var(--color-text-secondary);
  transition: color 0.2s;
}

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

.breadcrumb .sep {
  color: #B9B4AA;
  font-size: 12px;
}

.breadcrumb .current {
  color: var(--color-text);
  font-weight: 500;
  max-width: 340px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-wrap {
  max-width: 960px;
  margin: 0 auto 56px;
  background: var(--color-surface);
  border-radius: 24px;
  box-shadow: var(--shadow-card);
  padding: 48px;
  position: relative;
}

.article-head {
  max-width: 720px;
  margin: 0 auto;
}

.post-title {
  font-size: 38px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
  font-size: 14px;
  color: var(--color-text-secondary);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

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

.meta-item svg {
  width: 16px;
  height: 16px;
  stroke: var(--color-accent);
  flex-shrink: 0;
}

.post-cover {
  width: 100%;
  max-width: 880px;
  margin: 28px auto 0;
  border-radius: 16px;
  aspect-ratio: 16 / 8;
  object-fit: cover;
  box-shadow: var(--shadow-card);
}

.post-body {
  max-width: 720px;
  margin: 48px auto 0;
}

.post-body p {
  margin-bottom: 24px;
  line-height: 1.85;
  font-size: 16px;
  color: #2A2E2B;
}

.post-body h2 {
  font-size: 26px;
  font-weight: 750;
  margin: 44px 0 16px;
  color: var(--color-text);
  line-height: 1.4;
}

.post-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 32px 0 12px;
  color: var(--color-text);
  line-height: 1.4;
}

.post-body img {
  border-radius: 12px;
  margin: 24px auto;
  max-width: 100%;
  height: auto;
}

.post-body a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: rgba(29, 74, 58, 0.3);
  text-underline-offset: 4px;
  transition: text-decoration-color 0.2s;
}

.post-body a:hover {
  text-decoration-color: var(--color-accent);
}

.post-body blockquote {
  border-left: 3px solid var(--color-accent);
  background: #F8F4EA;
  padding: 20px 24px;
  margin: 28px 0;
  border-radius: 0 12px 12px 0;
  color: var(--color-text-secondary);
}

.post-body blockquote p {
  margin-bottom: 0;
  color: var(--color-text-secondary);
}

.post-body ul,
.post-body ol {
  padding-left: 24px;
  margin: 24px 0;
}

.post-body li {
  margin-bottom: 8px;
  line-height: 1.75;
}

.post-body pre {
  background: var(--color-primary-dark);
  color: #ECF2EE;
  padding: 24px;
  border-radius: 12px;
  overflow-x: auto;
  margin: 28px 0;
  font-size: 14px;
  line-height: 1.7;
}

.post-body pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.post-body code {
  background: #F1EEE8;
  color: #B4694E;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 14px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.post-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 14px;
}

.post-body th,
.post-body td {
  border: 1px solid var(--color-border);
  padding: 12px 16px;
  text-align: left;
}

.post-body th {
  background: #F8F4EA;
  font-weight: 600;
}

.post-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

/* ===== Related ===== */
.related-section {
  padding: 0 0 72px;
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 32px;
}

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

.related-card {
  background: var(--color-surface);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s, box-shadow 0.3s;
  display: block;
}

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

.related-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.6s;
}

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

.related-card-body {
  padding: 16px 20px 20px;
}

.related-card h4 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
  transition: color 0.2s;
}

.related-card:hover h4 {
  color: var(--color-primary);
}

.related-card time {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* ===== CTA ===== */
.cta-section {
  padding: 0 0 72px;
}

.cta-card {
  background: var(--color-primary);
  border-radius: 24px;
  padding: 48px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  right: -60px;
  top: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(200, 155, 60, 0.15);
}

.cta-card::after {
  content: '';
  position: absolute;
  right: 40px;
  bottom: -80px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(200, 155, 60, 0.1);
}

.cta-card > * {
  position: relative;
  z-index: 1;
}

.cta-card h2 {
  color: #fff;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 8px;
}

.cta-card p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 15px;
  max-width: 480px;
}

.cta-btn {
  background: var(--color-accent);
  color: #1A1D1B;
  flex-shrink: 0;
}

.cta-btn:hover {
  background: var(--color-accent-light);
}

/* ===== Not found ===== */
.not-found {
  max-width: 640px;
  margin: 32px auto 72px;
  text-align: center;
  background: var(--color-surface);
  border-radius: 24px;
  box-shadow: var(--shadow-card);
  padding: 72px 32px;
}

.nf-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: #F8F4EA;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.nf-icon svg {
  width: 34px;
  height: 34px;
}

.not-found h1 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 8px;
}

.not-found a {
  margin-top: 20px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 72px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.3px;
}

.footer-brand span {
  color: var(--color-accent);
}

.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  margin-top: 14px;
  max-width: 320px;
  opacity: 0.7;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 12px;
  transition: color 0.2s;
}

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

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 14px;
  line-height: 1.5;
}

.footer-contact-item svg {
  flex-shrink: 0;
}

.footer-copy {
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  padding-top: 28px;
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .header-search {
    max-width: 360px;
  }
}

@media (max-width: 991px) {
  .nav-cats {
    display: none;
    position: absolute;
    top: 72px;
    left: 20px;
    right: 20px;
    background: var(--color-surface);
    border-radius: 16px;
    box-shadow: var(--shadow-hover);
    padding: 12px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    border: 1px solid var(--color-border);
  }

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

  .nav-cats a {
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 15px;
  }

  .nav-cats a::after {
    display: none;
  }

  .nav-cats a.active {
    background: rgba(29, 74, 58, 0.06);
  }

  .mobile-menu-btn {
    display: flex;
  }

  .btn-login {
    width: 40px;
    padding: 0;
    justify-content: center;
  }

  .login-text {
    display: none;
  }

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

  .cta-card {
    padding: 40px 32px;
  }
}

@media (max-width: 767px) {
  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding-top: 14px;
    padding-bottom: 14px;
    row-gap: 12px;
  }

  .logo {
    order: 1;
    font-size: 20px;
  }

  .mobile-menu-btn {
    order: 2;
    margin-left: auto;
  }

  .btn-login {
    order: 3;
  }

  .header-search {
    order: 4;
    flex-basis: 100%;
    max-width: 100%;
    height: 40px;
    margin: 0;
  }

  .nav-cats {
    top: auto;
  }

  .article-page {
    padding: 24px 0 48px;
  }

  .article-wrap {
    padding: 24px 16px;
    border-radius: 16px;
    margin-bottom: 40px;
  }

  .post-title {
    font-size: 27px;
    margin-bottom: 16px;
  }

  .post-meta {
    gap: 12px;
    padding-bottom: 20px;
  }

  .post-cover {
    aspect-ratio: 16 / 9;
    margin-top: 20px;
  }

  .post-body {
    margin-top: 32px;
  }

  .post-body h2 {
    font-size: 22px;
  }

  .post-body h3 {
    font-size: 18px;
  }

  .post-nav {
    flex-direction: column;
    align-items: stretch;
    margin-top: 40px;
  }

  .post-nav .btn {
    width: 100%;
  }

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

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

  .cta-card {
    flex-direction: column;
    align-items: stretch;
    padding: 32px 24px;
    text-align: center;
    border-radius: 20px;
  }

  .cta-card p {
    margin-bottom: 8px;
  }

  .cta-btn {
    width: 100%;
  }

  .not-found {
    padding: 56px 24px;
    margin-bottom: 48px;
  }

  .not-found h1 {
    font-size: 26px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-bottom: 36px;
  }

  .footer-copy {
    padding-top: 20px;
  }

  .breadcrumb .current {
    max-width: 180px;
  }
}

@media (min-width: 768px) and (max-width: 991px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}