/* roulang page: index */
:root {
            --mk-green: #1E3A2F;
            --mk-green-dark: #173428;
            --mk-green-light: #2D4A3F;
            --mk-amber: #D49A3A;
            --mk-amber-light: #E0A94A;
            --mk-bg: #F6F4EF;
            --mk-card: #FFFFFF;
            --mk-dark: #14251C;
            --mk-border: #E5DFD6;
            --mk-text: #222222;
            --mk-text-secondary: #5A5A5C;
            --mk-text-muted: #A9A49E;
            --mk-light-bg: #EDEAE4;
            --radius-card: 12px;
            --radius-img: 8px;
            --radius-btn: 8px;
            --shadow-card: 0 1px 3px rgba(20, 37, 28, 0.06), 0 4px 12px rgba(20, 37, 28, 0.05);
            --shadow-hover: 0 8px 24px rgba(20, 37, 28, 0.10);
            --font-family: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-number: "DIN Alternate", "Source Han Sans SC", "PingFang SC", sans-serif;
            --bs-primary: #1E3A2F;
            --bs-link-color: #1E3A2F;
            --bs-link-hover-color: #D49A3A;
            --bs-btn-bg: #1E3A2F;
            --bs-btn-border-color: #1E3A2F;
        }

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

        body {
            margin: 0;
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            background-color: var(--mk-bg);
            color: var(--mk-text);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: var(--mk-green);
            transition: color 0.25s ease;
        }

        a:hover {
            color: var(--mk-amber);
        }

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: var(--mk-amber);
            margin-bottom: 8px;
            position: relative;
            padding-left: 16px;
        }

        .section-label::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--mk-amber);
        }

        .section-label.centered-label {
            padding-left: 0;
            padding-right: 16px;
        }

        .section-label.centered-label::before {
            right: 0;
            left: auto;
        }

        h1,
        h2,
        h3,
        h4,
        h5 {
            font-family: var(--font-family);
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 16px;
            color: var(--mk-text);
        }

        h1 {
            font-size: 45px;
            line-height: 1.25;
        }

        h2 {
            font-size: 32px;
            line-height: 1.3;
        }

        h3 {
            font-size: 20px;
            font-weight: 600;
        }

        p {
            margin: 0 0 16px;
            line-height: 1.8;
        }

        .text-secondary {
            color: var(--mk-text-secondary);
        }

        /* ===== App Shell 布局 ===== */
        .app-shell {
            min-height: 100vh;
            display: flex;
        }

        .app-sidebar {
            width: 240px;
            position: fixed;
            top: 0;
            left: 0;
            height: 100vh;
            background: var(--mk-card);
            border-right: 1px solid var(--mk-border);
            display: flex;
            flex-direction: column;
            z-index: 1040;
            padding: 0;
            transition: transform 0.3s ease;
        }

        .main-wrapper {
            flex: 1;
            margin-left: 240px;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        /* Logo */
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 24px 20px;
            border-bottom: 1px solid var(--mk-border);
            text-decoration: none;
            min-height: 80px;
        }

        .brand-logo:hover {
            color: inherit;
        }

        .brand-mark {
            width: 40px;
            height: 40px;
            background: var(--mk-green);
            color: #fff;
            font-weight: 800;
            font-size: 15px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--mk-green);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        /* 侧边导航 */
        .app-nav {
            flex: 1;
            padding: 24px 16px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 16px;
            margin-bottom: 2px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 500;
            color: var(--mk-text-secondary);
            text-decoration: none;
            position: relative;
            transition: all 0.2s ease;
            line-height: 1.4;
        }

        .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            color: var(--mk-text-muted);
            transition: color 0.2s;
        }

        .nav-item:hover {
            background: rgba(0, 0, 0, 0.03);
            color: var(--mk-green);
        }

        .nav-item:hover i {
            color: var(--mk-green);
        }

        .nav-item.active {
            background: rgba(30, 58, 47, 0.08);
            color: var(--mk-green);
            font-weight: 700;
        }

        .nav-item.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 20px;
            border-radius: 0 4px 4px 0;
            background: var(--mk-amber);
        }

        .nav-item.active i {
            color: var(--mk-green);
        }

        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--mk-border);
            font-size: 12px;
            color: var(--mk-text-muted);
            line-height: 1.5;
        }

        /* 移动端顶部栏 */
        .mobile-topbar {
            display: none;
            height: 56px;
            background: var(--mk-card);
            border-bottom: 1px solid var(--mk-border);
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            position: sticky;
            top: 0;
            z-index: 1030;
        }

        .mobile-brand {
            font-size: 18px;
            font-weight: 700;
            color: var(--mk-green);
            text-decoration: none;
        }

        .menu-toggle {
            background: none;
            border: none;
            font-size: 22px;
            color: var(--mk-text);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }

        .menu-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        .sidebar-mask {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(20, 37, 28, 0.5);
            z-index: 1035;
            transition: opacity 0.3s;
        }

        .sidebar-mask.show {
            display: block;
        }

        /* ===== Hero ===== */
        .hero-section {
            min-height: 60vh;
            background-image: linear-gradient(105deg, rgba(246, 244, 239, 0.97) 0%, rgba(246, 244, 239, 0.65) 45%, rgba(30, 58, 47, 0.18) 100%), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            padding: 80px 0 64px;
            position: relative;
        }

        .hero-content {
            max-width: 640px;
            padding: 32px 0;
        }

        .hero-content .section-label {
            margin-bottom: 16px;
        }

        .hero-content h1 {
            font-size: 48px;
            font-weight: 700;
            line-height: 1.22;
            margin-bottom: 20px;
            color: var(--mk-text);
        }

        .hero-subtitle {
            font-size: 16px;
            line-height: 1.8;
            color: var(--mk-text-secondary);
            margin-bottom: 32px;
            max-width: 480px;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--mk-amber);
            color: #222222;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
            box-shadow: 0 2px 8px rgba(212, 154, 58, 0.2);
            text-decoration: none;
        }

        .btn-accent:hover {
            background: var(--mk-amber-light);
            color: #222222;
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(212, 154, 58, 0.3);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 2px solid var(--mk-green);
            color: var(--mk-green);
            font-weight: 600;
            font-size: 15px;
            padding: 10px 26px;
            border-radius: 48px;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
        }

        .btn-outline:hover {
            background: var(--mk-green);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 14px rgba(30, 58, 47, 0.2);
        }

        /* Hero特性 */
        .hero-features {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            padding-top: 8px;
        }

        .hero-feature {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 500;
            color: var(--mk-text-secondary);
        }

        .hero-feature i {
            font-size: 18px;
            color: var(--mk-amber);
        }

        /* ===== 通用区块 ===== */
        .section-block {
            padding: 80px 0;
        }

        .section-header {
            margin-bottom: 40px;
            max-width: 640px;
        }

        .section-header.centered {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-header .section-label {
            margin-bottom: 8px;
        }

        .section-header p {
            color: var(--mk-text-secondary);
            font-size: 15px;
            margin-top: 8px;
        }

        /* ===== 品牌故事 ===== */
        .story-section {
            padding: 96px 0;
            background: var(--mk-bg);
        }

        .story-content h2 {
            margin-bottom: 24px;
        }

        .story-content p {
            margin-bottom: 16px;
            line-height: 1.8;
            color: var(--mk-text-secondary);
            font-size: 15px;
        }

        .story-image {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .story-image::before {
            content: '';
            position: absolute;
            top: 20px;
            right: 20px;
            width: 100%;
            height: 100%;
            background: rgba(212, 154, 58, 0.25);
            border-radius: var(--radius-card);
            z-index: 0;
        }

        .story-image img {
            position: relative;
            z-index: 1;
            width: 100%;
            border-radius: var(--radius-card);
            object-fit: cover;
        }

        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-top: 32px;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .stat-number {
            font-family: var(--font-number);
            font-size: 32px;
            font-weight: 700;
            color: var(--mk-green);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 13px;
            color: var(--mk-text-muted);
        }

        /* ===== 最新动态 ===== */
        .news-section {
            padding: 96px 0;
            background: var(--mk-card);
            border-top: 1px solid var(--mk-border);
            border-bottom: 1px solid var(--mk-border);
        }

        .content-card {
            display: block;
            background: var(--mk-card);
            border: 1px solid var(--mk-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
            text-decoration: none;
            color: inherit;
        }

        .content-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            text-decoration: none;
            color: inherit;
        }

        .card-media {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            border-radius: 0;
        }

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

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

        .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--mk-green);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 999px;
            line-height: 1.4;
            z-index: 2;
        }

        .card-body {
            padding: 20px;
        }

        .card-meta {
            font-size: 12px;
            color: var(--mk-text-muted);
            margin-bottom: 8px;
        }

        .card-body h3 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--mk-text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-body p {
            font-size: 14px;
            color: var(--mk-text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--mk-green);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color 0.2s;
        }

        .card-link i {
            font-size: 12px;
            transition: transform 0.2s;
        }

        .content-card:hover .card-link {
            color: var(--mk-amber);
        }

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

        .empty-state {
            border: 1px dashed #ccc;
            border-radius: var(--radius-card);
            background: var(--mk-bg);
            padding: 60px 20px;
            text-align: center;
            color: var(--mk-text-muted);
            width: 100%;
        }

        .empty-state i {
            font-size: 40px;
            margin-bottom: 16px;
            display: block;
        }

        .empty-state p {
            margin-bottom: 0;
            font-size: 15px;
        }

        /* ===== 信任背书 ===== */
        .trust-section {
            padding: 72px 0;
            background: var(--mk-light-bg);
        }

        .trust-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .trust-item {
            padding: 32px 16px;
        }

        .trust-number {
            font-family: var(--font-number);
            font-size: 48px;
            font-weight: 700;
            color: var(--mk-green);
            display: block;
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .trust-label {
            font-size: 14px;
            color: var(--mk-text-secondary);
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 96px 0;
            background: var(--mk-bg);
        }

        .accordion-item {
            background: var(--mk-card);
            border: 1px solid var(--mk-border);
            border-radius: var(--radius-card) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: 0 1px 2px rgba(20, 37, 28, 0.03);
        }

        .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--mk-green);
            background: var(--mk-card);
            padding: 18px 24px;
            line-height: 1.5;
            border: none;
            box-shadow: none !important;
            transition: color 0.2s;
        }

        .accordion-button:not(.collapsed) {
            background: var(--mk-card);
            color: var(--mk-amber);
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231E3A2F'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            transition: transform 0.3s ease;
        }

        .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23D49A3A'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }

        .accordion-body {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--mk-text-secondary);
            line-height: 1.8;
            border-top: 1px solid var(--mk-border);
            padding-top: 16px;
        }

        /* ===== CTA订阅 ===== */
        .cta-section {
            padding: 96px 0;
            background: linear-gradient(rgba(20, 37, 28, 0.9), rgba(20, 37, 28, 0.9)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            text-align: center;
        }

        .cta-inner {
            max-width: 560px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: 32px;
            margin-bottom: 16px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-form input {
            flex: 1;
            min-width: 260px;
            height: 44px;
            padding: 0 16px;
            background: #fff;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 14px;
            color: var(--mk-text);
            outline: none;
            transition: box-shadow 0.2s;
        }

        .cta-form input:focus {
            box-shadow: 0 0 0 2px var(--mk-amber);
        }

        .cta-form .btn-accent {
            height: 44px;
            padding: 0 28px;
            background: var(--mk-amber);
            color: #222;
            font-weight: 600;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            font-size: 15px;
            transition: background 0.2s, transform 0.2s;
        }

        .cta-form .btn-accent:hover {
            background: var(--mk-amber-light);
            transform: translateY(-1px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--mk-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 24px;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .site-footer p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.8;
            margin-bottom: 0;
        }

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

        .site-footer ul li {
            margin-bottom: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
        }

        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
            transition: color 0.2s;
        }

        .site-footer ul li a:hover {
            color: var(--mk-amber);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand .brand-mark {
            width: 36px;
            height: 36px;
            font-size: 13px;
        }

        .footer-brand .brand-text {
            font-size: 18px;
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            margin-top: 48px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .app-sidebar {
                transform: translateX(-100%);
                width: 300px;
                box-shadow: 4px 0 24px rgba(20, 37, 28, 0.12);
            }

            .app-sidebar.open {
                transform: translateX(0);
            }

            .main-wrapper {
                margin-left: 0;
            }

            .mobile-topbar {
                display: flex;
            }

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

            .story-section,
            .news-section,
            .faq-section,
            .cta-section {
                padding: 64px 0;
            }

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

        @media (max-width: 767.98px) {
            .hero-section {
                padding: 56px 0 48px;
                min-height: auto;
            }

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

            .hero-content .section-label {
                font-size: 13px;
            }

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

            .stats-row {
                gap: 24px;
            }

            .trust-number {
                font-size: 36px;
            }

            .section-block,
            .story-section,
            .news-section,
            .faq-section,
            .cta-section {
                padding: 48px 0;
            }

            .cta-form {
                flex-direction: column;
                align-items: center;
            }

            .cta-form input {
                width: 100%;
                min-width: 0;
            }

            .cta-form .btn-accent {
                width: 100%;
            }

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

        @media (max-width: 575.98px) {
            .container {
                padding: 0 16px;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-buttons .btn-accent,
            .hero-buttons .btn-outline {
                justify-content: center;
            }

            .hero-features {
                gap: 16px;
                flex-direction: column;
                align-items: flex-start;
            }

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

            .trust-number {
                font-size: 32px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1E3A2F;
            --accent: #D49A3A;
            --bg: #F6F4EF;
            --dark: #14251C;
            --card-bg: #FFFFFF;
            --border: #E5DFD6;
            --text: #222222;
            --text-secondary: #5A5A5C;
            --text-muted: #A9A49E;
            --radius: 12px;
            --shadow-sm: 0 1px 3px rgba(20, 37, 28, 0.06);
            --shadow-md: 0 4px 12px rgba(20, 37, 28, 0.05);
            --shadow-hover: 0 8px 24px rgba(20, 37, 28, 0.10);
            --font-main: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-num: "DIN Alternate", "Source Han Sans SC", sans-serif;
        }

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

        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.8;
            background: var(--bg);
            color: var(--text);
            margin: 0;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        /* ========== App Shell ========== */
        .app-shell {
            display: flex;
            min-height: 100vh;
        }

        .app-nav {
            width: 240px;
            position: fixed;
            top: 0;
            bottom: 0;
            left: 0;
            background: var(--card-bg);
            border-right: 1px solid var(--border);
            padding: 20px 16px;
            z-index: 1045;
            display: flex;
            flex-direction: column;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            height: 80px;
            padding: 0 8px;
            margin-bottom: 20px;
        }

        .brand-mark {
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            letter-spacing: .02em;
        }

        .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: .02em;
        }

        .nav-links {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            height: 38px;
            padding: 0 16px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: background .2s, color .2s;
            position: relative;
        }

        .nav-item i {
            width: 18px;
            text-align: center;
            font-size: 15px;
        }

        .nav-item:hover {
            background: rgba(0, 0, 0, 0.03);
            color: var(--primary);
        }

        .nav-item.active {
            background: rgba(30, 58, 47, 0.08);
            color: var(--primary);
            font-weight: 600;
        }

        .nav-item.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 20px;
            background: var(--accent);
            border-radius: 0 4px 4px 0;
        }

        .nav-copyright {
            padding: 12px 8px 0;
            border-top: 1px solid var(--border);
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ========== Main Wrapper ========== */
        .main-wrapper {
            margin-left: 240px;
            flex: 1;
            min-width: 0;
        }

        .container-custom {
            max-width: 1160px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== Mobile Topbar ========== */
        .topbar {
            display: none;
            height: 56px;
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            position: sticky;
            top: 0;
            z-index: 1035;
        }

        .topbar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .topbar-logo .brand-mark {
            width: 36px;
            height: 36px;
            font-size: 15px;
            border-radius: 10px;
        }

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

        .nav-toggle {
            width: 40px;
            height: 40px;
            border: none;
            background: transparent;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
        }

        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(20, 37, 28, 0.5);
            z-index: 1040;
        }

        /* ========== Hero ========== */
        .category-hero {
            position: relative;
            min-height: 420px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(246, 244, 239, 0.95) 0%, rgba(246, 244, 239, 0.7) 50%, rgba(30, 58, 47, 0.25) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 1;
            padding: 80px 0;
            max-width: 720px;
        }

        .hero-content .section-label {
            margin-bottom: 16px;
        }

        .hero-content h1 {
            font-size: 45px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text);
            margin-bottom: 16px;
        }

        .hero-content h1 span {
            color: var(--primary);
        }

        .hero-content .hero-subtitle {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 580px;
        }

        .btn-group-hero {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .btn-accent {
            background: var(--accent);
            border: 1px solid var(--accent);
            color: #222;
            padding: 12px 32px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            transition: all .25s ease;
        }

        .btn-accent:hover {
            background: #E0A94A;
            border-color: #E0A94A;
            color: #222;
            box-shadow: 0 4px 16px rgba(212, 154, 58, 0.25);
            transform: translateY(-2px);
        }

        .btn-outline-dark {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            padding: 12px 32px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            transition: all .25s ease;
        }

        .btn-outline-dark:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(30, 58, 47, 0.2);
            transform: translateY(-2px);
        }

        /* ========== Section Common ========== */
        .section-block {
            padding: 72px 0;
        }

        .section-block.bg-white {
            background: var(--card-bg);
        }

        .section-label {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.15em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 8px;
            display: block;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 640px;
        }

        /* ========== Cards ========== */
        .card-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: var(--shadow-sm), var(--shadow-md);
            transition: transform .3s ease, box-shadow .3s ease;
            height: 100%;
        }

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

        .card-img {
            border-radius: 8px;
            overflow: hidden;
            margin-bottom: 16px;
            max-height: 180px;
        }

        .card-img img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 8px;
            transition: transform .4s ease;
        }

        .card-item:hover .card-img img {
            transform: scale(1.05);
        }

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: rgba(30, 58, 47, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
        }

        .card-item h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--text);
        }

        .card-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .card-tag {
            display: inline-block;
            background: rgba(30, 58, 47, 0.1);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            margin-bottom: 12px;
            letter-spacing: .02em;
        }

        /* ========== Flow Steps ========== */
        .step-item {
            position: relative;
            padding: 28px 20px 20px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            transition: all .3s ease;
            height: 100%;
        }

        .step-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
        }

        .step-num {
            font-family: var(--font-num);
            font-size: 42px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 14px;
            opacity: 0.8;
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text);
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== Scenarios ========== */
        .scenario-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            height: 100%;
            transition: all .3s ease;
        }

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

        .scenario-card .scenario-body {
            padding: 24px 20px;
        }

        .scenario-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--primary);
        }

        .scenario-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .scenario-card .scenario-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(212, 154, 58, 0.15);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px 24px;
            margin-bottom: 12px;
            transition: border-color .3s ease;
        }

        .faq-item:hover {
            border-color: var(--accent);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            user-select: none;
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1.5px solid var(--accent);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all .3s ease;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding-top: 14px;
        }

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

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-content h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .cta-content p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-form input {
            width: 300px;
            max-width: 100%;
            height: 44px;
            border: none;
            border-radius: 8px;
            padding: 0 16px;
            font-size: 14px;
            background: #fff;
            color: var(--text);
            outline: none;
            transition: box-shadow .2s;
        }

        .cta-form input:focus {
            box-shadow: 0 0 0 3px rgba(212, 154, 58, 0.4);
        }

        .cta-form button {
            height: 44px;
            border: none;
            border-radius: 8px;
            padding: 0 28px;
            background: var(--accent);
            color: #222;
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            transition: background .2s ease, box-shadow .2s ease;
        }

        .cta-form button:hover {
            background: #E0A94A;
            box-shadow: 0 4px 16px rgba(212, 154, 58, 0.25);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 56px 0 0;
            font-size: 14px;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .site-footer .brand-mark {
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: #222;
            border-radius: 10px;
            font-size: 15px;
        }

        .site-footer .brand-text {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
        }

        .site-footer p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: .02em;
        }

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

        .site-footer ul li {
            margin-bottom: 10px;
            color: rgba(255, 255, 255, 0.7);
        }

        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.7);
            transition: color .2s;
        }

        .site-footer ul li a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            margin-top: 40px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: #8FA398;
        }

        /* ========== Responsive ========== */
        @media (max-width: 991.98px) {
            .app-nav {
                transform: translateX(-100%);
                transition: transform .3s ease;
                width: 300px;
            }

            .app-nav.open {
                transform: translateX(0);
                box-shadow: 0 0 40px rgba(20, 37, 28, 0.2);
            }

            .nav-overlay.show {
                display: block;
            }

            .main-wrapper {
                margin-left: 0;
            }

            .topbar {
                display: flex;
            }

            .category-hero {
                min-height: 360px;
            }

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

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

            .section-title {
                font-size: 24px;
            }
        }

        @media (max-width: 767.98px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }

            .category-hero {
                min-height: 300px;
            }

            .hero-content {
                padding: 48px 0;
            }

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

            .btn-group-hero {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-group-hero .btn {
                text-align: center;
            }

            .cta-form {
                flex-direction: column;
                align-items: center;
            }

            .cta-form input,
            .cta-form button {
                width: 100%;
            }

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

        @media (max-width: 575.98px) {
            .hero-content h1 {
                font-size: 26px;
            }

            .section-title {
                font-size: 22px;
            }

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

/* roulang page: article */
:root {
    --brand-green: #1E3A2F;
    --brand-green-dark: #173428;
    --brand-amber: #D49A3A;
    --brand-amber-light: #E0A94A;
    --brand-cream: #F6F4EF;
    --brand-dark: #14251C;
    --brand-light: #EDEAE4;
    --card-bg: #FFFFFF;
    --border-color: #E5DFD6;
    --text-main: #222222;
    --text-sub: #5A5A5C;
    --text-muted: #A9A49E;
    --radius-card: 12px;
    --radius-img: 8px;
    --radius-btn: 8px;
    --shadow-card: 0 1px 3px rgba(20,37,28,0.06), 0 4px 12px rgba(20,37,28,0.05);
    --shadow-hover: 0 8px 24px rgba(20,37,28,0.10);
    --transition-base: all 0.25s ease;
    --font-family: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-family-num: "DIN Alternate", "Source Han Sans SC", sans-serif;
    --bs-primary: #1E3A2F;
    --bs-link-color: #1E3A2F;
    --bs-link-hover-color: #D49A3A;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    background: var(--brand-cream);
    color: var(--text-main);
    font-size: 16px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--brand-green); text-decoration: none; transition: var(--transition-base); }
a:hover { color: var(--brand-amber); }
img { max-width: 100%; height: auto; }
button, input, select, textarea { font-family: inherit; }
h1, h2, h3, h4, h5, h6 { margin-top: 0; font-weight: 700; line-height: 1.3; }
p { margin-top: 0; }
.container { max-width: 1160px; }
.btn { border-radius: var(--radius-btn); font-size: 15px; font-weight: 500; padding: 10px 24px; transition: var(--transition-base); }
.btn-primary { background-color: var(--brand-green); border-color: var(--brand-green); color: #fff; }
.btn-primary:hover, .btn-primary:focus {
    background-color: var(--brand-green-dark);
    border-color: var(--brand-green-dark);
    color: #fff;
    box-shadow: 0 4px 16px rgba(30,58,47,0.2);
}
.btn-outline-amber { border: 1px solid var(--brand-amber); color: var(--brand-amber); background: transparent; }
.btn-outline-amber:hover {
    background: var(--brand-amber);
    color: #fff;
    box-shadow: 0 4px 16px rgba(212,154,58,0.25);
}
.btn-amber {
    background: var(--brand-amber);
    border-color: var(--brand-amber);
    color: var(--brand-dark);
    font-weight: 600;
}
.btn-amber:hover, .btn-amber:focus {
    background: var(--brand-amber-light);
    border-color: var(--brand-amber-light);
    color: var(--brand-dark);
    box-shadow: 0 4px 16px rgba(212,154,58,0.25);
}
.form-control { border-radius: 8px; border-color: var(--border-color); }
.form-control:focus {
    border-color: var(--brand-amber);
    box-shadow: 0 0 0 3px rgba(212,154,58,0.15);
}

.app-shell { display: flex; min-height: 100vh; }
.app-sidebar {
    width: 240px;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    background: #fff;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 1040;
    transition: transform 0.3s ease;
}
.app-logo {
    height: 80px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 24px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}
.brand-mark {
    width: 36px;
    height: 36px;
    background: var(--brand-green);
    color: #fff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.02em;
}
.brand-text { font-size: 18px; font-weight: 700; color: var(--brand-green); white-space: nowrap; }
.app-nav { flex: 1; padding: 20px 12px; display: flex; flex-direction: column; gap: 4px; }
.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    height: 38px;
    padding: 0 16px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-main);
    text-decoration: none;
    transition: var(--transition-base);
    position: relative;
}
.nav-item i { width: 18px; text-align: center; font-size: 14px; flex-shrink: 0; }
.nav-item:hover { background: rgba(0,0,0,0.03); color: var(--brand-green); }
.nav-item.active { background: rgba(30,58,47,0.08); color: var(--brand-green); font-weight: 700; }
.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: var(--brand-amber);
    border-radius: 0 4px 4px 0;
}
.sidebar-tip {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.6;
}
.sidebar-tip p { margin-bottom: 0; }

.main-area {
    margin-left: 240px;
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
.mobile-header {
    display: none;
    height: 56px;
    background: #fff;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1030;
    padding: 0 20px;
    align-items: center;
    justify-content: space-between;
}
.mobile-logo { display: flex; align-items: center; gap: 10px; }
.mobile-logo .brand-mark { width: 30px; height: 30px; font-size: 11px; }
.mobile-logo .brand-text { font-size: 16px; }
.mobile-toggle {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--brand-green);
    font-size: 20px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}
.mobile-toggle:hover { background: rgba(30,58,47,0.06); }
.mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(20,37,28,0.5);
    z-index: 1035;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}
.mobile-overlay.show { opacity: 1; pointer-events: auto; }

.article-page { flex: 1; padding: 48px 0 64px; }
.breadcrumb-bar {
    font-size: 13px;
    color: var(--text-sub);
    margin-bottom: 28px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}
.breadcrumb-bar a { color: var(--text-sub); }
.breadcrumb-bar a:hover { color: var(--brand-green); }
.breadcrumb-bar .separator { color: var(--text-muted); margin: 0 2px; }
.breadcrumb-bar .current { color: var(--brand-green); font-weight: 600; max-width: 400px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.article-header { margin-bottom: 36px; }
.article-header h1 {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-main);
    margin-bottom: 16px;
    letter-spacing: 0.01em;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 13px;
    color: var(--text-muted);
    align-items: center;
}
.article-meta .meta-cat {
    display: inline-block;
    background: rgba(30,58,47,0.08);
    color: var(--brand-green);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}
.article-meta .meta-item { display: inline-flex; align-items: center; gap: 6px; }
.article-meta .meta-item i { font-size: 13px; }

.article-body { max-width: 760px; margin: 0 auto; }
.article-body p { line-height: 1.9; margin-bottom: 0.9em; color: var(--text-main); }
.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--brand-green);
    margin-top: 2em;
    margin-bottom: 0.8em;
}
.article-body h4 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-main);
    margin-top: 1.6em;
    margin-bottom: 0.6em;
}
.article-body blockquote {
    border-left: 4px solid var(--brand-green);
    background: rgba(246,244,239,0.85);
    padding: 18px 24px;
    border-radius: 0 8px 8px 0;
    margin: 1.5em 0;
    color: var(--text-sub);
}
.article-body blockquote p { margin-bottom: 0; }
.article-body a { color: var(--brand-green); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: var(--brand-amber); }
.article-body ul,
.article-body ol { line-height: 1.9; margin: 1em 0; padding-left: 1.5em; }
.article-body li { margin-bottom: 0.4em; }
.article-body img { border-radius: var(--radius-img); margin: 1.5em 0; max-width: 100%; }
.article-body figure { margin: 2em 0; }
.article-body figcaption { font-size: 13px; color: var(--text-muted); text-align: center; margin-top: 8px; }
.article-body code {
    background: rgba(30,58,47,0.06);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
    font-family: "SFMono-Regular", Consolas, monospace;
}
.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    font-size: 14px;
}
.article-body table th,
.article-body table td {
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    text-align: left;
}
.article-body table th { background: rgba(30,58,47,0.04); font-weight: 600; color: var(--brand-green); }

.not-found {
    text-align: center;
    padding: 80px 20px;
    max-width: 600px;
    margin: 0 auto;
}
.not-found .icon {
    font-size: 52px;
    color: var(--text-muted);
    margin-bottom: 24px;
}
.not-found h1 { font-size: 28px; color: var(--text-main); margin-bottom: 12px; }
.not-found p { font-size: 15px; color: var(--text-sub); margin-bottom: 24px; }

.article-nav {
    max-width: 760px;
    margin: 48px auto 0;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}
.prev-next {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}
.prev-next a {
    font-size: 14px;
    color: var(--brand-green);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.prev-next a:hover { color: var(--brand-amber); }
.prev-next .next-link { text-align: right; }
.back-btn-wrap { display: flex; justify-content: center; margin-top: 28px; }
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border: 1px solid var(--brand-green);
    color: var(--brand-green);
    border-radius: var(--radius-btn);
    font-size: 14px;
    font-weight: 500;
    background: transparent;
    transition: var(--transition-base);
}
.back-btn:hover {
    background: var(--brand-green);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30,58,47,0.18);
}

.related-posts { margin-top: 64px; }
.related-posts .section-label {
    font-size: 13px;
    color: var(--brand-amber);
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 8px;
}
.related-posts h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 32px;
}
.related-card {
    background: var(--card-bg);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition-base);
    height: 100%;
    display: flex;
    flex-direction: column;
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.related-card .card-img {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    display: block;
}
.related-card .card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.related-card:hover .card-img img { transform: scale(1.03); }
.related-card .card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.related-card .card-title {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 8px;
    color: var(--text-main);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-card .card-title a { color: inherit; }
.related-card .card-title a:hover { color: var(--brand-green); }
.related-card .card-desc {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.6;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.related-card .card-meta {
    font-size: 12px;
    color: var(--text-muted);
    border-top: 1px solid rgba(229,223,214,0.6);
    padding-top: 12px;
    margin-top: auto;
}

.site-footer {
    background: var(--brand-dark);
    color: #E8EBE7;
    padding: 64px 0 0;
    flex-shrink: 0;
}
.site-footer p { color: #A9B5AE; font-size: 14px; line-height: 1.8; margin-top: 16px; max-width: 320px; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand .brand-mark { background: var(--brand-amber); color: var(--brand-dark); }
.footer-brand .brand-text { color: #fff; font-size: 20px; }
.site-footer h4 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { font-size: 14px; color: #A9B5AE; margin-bottom: 10px; }
.site-footer ul a { color: #A9B5AE; }
.site-footer ul a:hover { color: var(--brand-amber); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 48px;
    padding: 16px 0;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: #8FA398;
}

@media (max-width: 991.98px) {
    .app-sidebar {
        transform: translateX(-100%);
        box-shadow: 0 0 40px rgba(20,37,28,0.2);
        width: 300px;
    }
    .app-sidebar.open { transform: translateX(0); }
    .main-area { margin-left: 0; }
    .mobile-header { display: flex; }
    .mobile-overlay.show { display: block; }
    .article-page { padding: 32px 0 48px; }
    .article-header h1 { font-size: 28px; }
    .related-posts h2 { font-size: 24px; }
    .related-posts { margin-top: 48px; }
    .site-footer { padding-top: 48px; }
    .site-footer .container { padding-left: 24px; padding-right: 24px; }
    .site-footer p { max-width: none; }
}

@media (max-width: 767.98px) {
    .article-page { padding: 24px 0 40px; }
    .article-page .container { padding-left: 20px; padding-right: 20px; }
    .article-header h1 { font-size: 24px; line-height: 1.35; }
    .article-meta { gap: 12px; font-size: 12px; }
    .article-meta .meta-item { gap: 4px; }
    .prev-next { flex-direction: column; gap: 10px; }
    .prev-next .next-link { text-align: left; }
    .related-posts h2 { font-size: 22px; margin-bottom: 24px; }
    .related-card .card-body { padding: 16px; }
    .footer-bottom { flex-direction: column; gap: 4px; justify-content: center; text-align: center; }
}

@media (max-width: 575.98px) {
    .container { padding-left: 16px; padding-right: 16px; }
    .article-page .container { padding-left: 16px; padding-right: 16px; }
    .article-header h1 { font-size: 21px; }
    .article-body p { line-height: 1.85; }
    .breadcrumb-bar { font-size: 12px; margin-bottom: 20px; }
    .breadcrumb-bar .current { max-width: 200px; }
}

/* roulang page: category2 */
:root {
            --brand-green: #1E3A2F;
            --brand-green-dark: #173428;
            --brand-amber: #D49A3A;
            --brand-amber-light: #E0A94A;
            --bg-warm: #F6F4EF;
            --bg-light: #EDEAE4;
            --bg-dark: #14251C;
            --card-bg: #FFFFFF;
            --border-color: #E5DFD6;
            --text-main: #222222;
            --text-secondary: #5A5A5C;
            --text-muted: #A9A49E;
            --radius-card: 12px;
            --radius-img: 8px;
            --radius-btn: 8px;
            --radius-full: 48px;
            --shadow-card: 0 1px 3px rgba(20, 37, 28, 0.06), 0 4px 12px rgba(20, 37, 28, 0.05);
            --shadow-hover: 0 8px 24px rgba(20, 37, 28, 0.10);
            --shadow-amber: 0 4px 16px rgba(212, 154, 58, 0.25);
            --shadow-green: 0 4px 16px rgba(30, 58, 47, 0.2);
            --tr: all .25s ease;
            --bs-primary: #1E3A2F;
            --bs-primary-rgb: 30, 58, 47;
            --bs-link-color: #1E3A2F;
            --bs-link-hover-color: #D49A3A;
            --bs-body-bg: #F6F4EF;
            --bs-body-color: #222222;
            --bs-border-color: #E5DFD6;
            --bs-font-sans-serif: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html,
        body {
            margin: 0;
            padding: 0;
        }
        body {
            font-family: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--brand-green);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--brand-amber);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1160px;
            margin-left: auto;
            margin-right: auto;
            padding-left: calc(var(--bs-gutter-x) * .5);
            padding-right: calc(var(--bs-gutter-x) * .5);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 500;
            border-radius: var(--radius-btn);
            padding: 10px 24px;
            font-size: 15px;
            transition: var(--tr);
            border: none;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(212, 154, 58, .4);
            outline-offset: 2px;
        }
        .btn-amber {
            background: var(--brand-amber);
            color: var(--bg-dark);
            font-weight: 600;
        }
        .btn-amber:hover,
        .btn-amber:focus {
            background: var(--brand-amber-light);
            color: var(--bg-dark);
            box-shadow: var(--shadow-amber);
            transform: translateY(-2px);
        }
        .btn-outline-green {
            background: transparent;
            border: 2px solid var(--brand-green);
            color: var(--brand-green);
            border-radius: var(--radius-full);
            padding: 8px 28px;
        }
        .btn-outline-green:hover {
            background: var(--brand-green);
            color: #fff;
            box-shadow: var(--shadow-green);
            transform: translateY(-2px);
        }
        .btn-outline-light {
            background: transparent;
            border: 2px solid rgba(246, 244, 239, .6);
            color: #F6F4EF;
            border-radius: var(--radius-full);
            padding: 8px 28px;
        }
        .btn-outline-light:hover {
            background: rgba(246, 244, 239, .12);
            border-color: #F6F4EF;
            color: #fff;
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
        }

        /* ===== App Shell ===== */
        .app-wrapper {
            display: flex;
            min-height: 100vh;
        }
        .app-sidebar {
            width: 240px;
            position: fixed;
            top: 0;
            left: 0;
            height: 100vh;
            background: #fff;
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 1040;
        }
        .sidebar-logo {
            height: 80px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0 24px;
            border-bottom: 1px solid var(--border-color);
        }
        .brand-mark {
            width: 36px;
            height: 36px;
            background: var(--brand-green);
            color: #fff;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            letter-spacing: .5px;
            flex-shrink: 0;
        }
        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--brand-green);
            letter-spacing: .3px;
        }
        .app-nav {
            padding: 24px 16px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }
        .app-nav .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 16px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            transition: var(--tr);
        }
        .app-nav .nav-item i {
            width: 18px;
            text-align: center;
            font-size: 15px;
        }
        .app-nav .nav-item:hover {
            background: rgba(0, 0, 0, .03);
            color: var(--brand-green);
        }
        .app-nav .nav-item.active {
            background: rgba(30, 58, 47, .08);
            color: var(--brand-green);
            font-weight: 600;
            box-shadow: inset 3px 0 0 0 var(--brand-amber);
        }
        .sidebar-footer {
            padding: 20px 24px;
            border-top: 1px solid var(--border-color);
        }
        .sidebar-footer p {
            margin: 0;
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.6;
            text-align: center;
        }
        .app-main {
            flex: 1;
            margin-left: 240px;
            min-width: 0;
        }

        /* ===== Mobile Header & Drawer ===== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            z-index: 1050;
        }
        .mobile-logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .mobile-menu-btn {
            background: none;
            border: none;
            font-size: 22px;
            color: var(--brand-green);
            padding: 8px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: background .2s;
        }
        .mobile-menu-btn:hover {
            background: rgba(30, 58, 47, .06);
        }
        .drawer {
            position: fixed;
            top: 0;
            left: 0;
            width: 300px;
            height: 100vh;
            background: #fff;
            z-index: 1061;
            transform: translateX(-100%);
            transition: transform .3s ease;
            display: block;
            visibility: hidden;
        }
        .drawer.open {
            transform: translateX(0);
            visibility: visible;
        }
        .drawer-header {
            height: 80px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0 24px;
            border-bottom: 1px solid var(--border-color);
            position: relative;
        }
        .drawer-close {
            margin-left: auto;
            background: none;
            border: none;
            font-size: 20px;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 8px;
            transition: var(--tr);
        }
        .drawer-close:hover {
            background: rgba(0, 0, 0, .03);
            color: var(--brand-green);
        }
        .drawer .app-nav {
            padding: 24px 16px;
        }
        .drawer .app-nav .nav-item {
            padding: 13px 16px;
        }
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(20, 37, 28, .5);
            z-index: 1060;
            opacity: 0;
            visibility: hidden;
            transition: opacity .3s, visibility .3s;
        }
        .drawer-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            padding: 88px 0 72px;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        }
        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(246, 244, 239, .95) 0%, rgba(246, 244, 239, .72) 48%, rgba(30, 58, 47, .25) 100%);
        }
        .banner-content {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-nav {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-nav a {
            color: var(--text-secondary);
            transition: color .2s;
        }
        .breadcrumb-nav a:hover {
            color: var(--brand-amber);
        }
        .breadcrumb-nav .current {
            color: var(--brand-green);
            font-weight: 600;
        }
        .banner-content .section-label {
            margin-bottom: 12px;
        }
        .banner-content h1 {
            font-size: 45px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--brand-green);
            margin: 8px 0 16px;
        }
        .banner-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 560px;
            margin-bottom: 28px;
        }
        .banner-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Section Base ===== */
        .section-block {
            padding: 72px 0;
        }
        .section-block.alt {
            background: var(--bg-light);
        }
        .section-label {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: .15em;
            color: var(--brand-amber);
            display: inline-block;
            text-transform: none;
            margin-bottom: 10px;
        }
        .section-head {
            margin-bottom: 48px;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--brand-green);
            margin: 6px 0 12px;
        }
        .section-head p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.8;
        }
        .section-head.text-center .section-label {
            margin-bottom: 8px;
        }

        /* ===== Feature Cards ===== */
        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            height: 100%;
            transition: var(--tr);
            box-shadow: var(--shadow-card);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(212, 154, 58, .35);
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: rgba(30, 58, 47, .08);
            color: var(--brand-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            transition: var(--tr);
        }
        .feature-card:hover .feature-icon {
            background: var(--brand-green);
            color: var(--brand-amber-light);
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin: 0;
        }

        /* ===== Plan Cards (Image Left / Text Right) ===== */
        .plan-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: row;
            margin-bottom: 32px;
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .plan-card:last-child {
            margin-bottom: 0;
        }
        .plan-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .plan-card .plan-img {
            width: 44%;
            min-height: 300px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .plan-card .plan-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .plan-card:hover .plan-img img {
            transform: scale(1.03);
        }
        .plan-card .plan-body {
            flex: 1;
            padding: 36px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .plan-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: .06em;
            color: var(--brand-green);
            background: rgba(30, 58, 47, .08);
            padding: 4px 12px;
            border-radius: 4px;
            margin-bottom: 14px;
            align-self: flex-start;
        }
        .plan-body h3 {
            font-size: 22px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .plan-body .plan-desc {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 18px;
        }
        .plan-features {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .plan-features li {
            font-size: 13px;
            color: var(--text-secondary);
            background: var(--bg-warm);
            padding: 5px 14px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .plan-features li i {
            font-size: 11px;
            color: var(--brand-amber);
        }
        .plan-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--brand-green);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--tr);
        }
        .plan-link i {
            font-size: 12px;
            transition: transform .2s ease;
        }
        .plan-link:hover {
            color: var(--brand-amber);
        }
        .plan-link:hover i {
            transform: translateX(4px);
        }

        /* ===== Scenario Cards ===== */
        .scenario-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            height: 100%;
            position: relative;
            transition: var(--tr);
        }
        .scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .scenario-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: rgba(212, 154, 58, .12);
            color: var(--brand-amber);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 18px;
        }
        .scenario-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .scenario-tag {
            display: inline-block;
            font-size: 13px;
            color: var(--brand-green);
            background: rgba(30, 58, 47, .06);
            padding: 6px 14px;
            border-radius: 6px;
            font-weight: 500;
        }

        /* ===== Process ===== */
        .process-list {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .process-item {
            text-align: center;
            position: relative;
            padding: 32px 16px;
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            transition: var(--tr);
        }
        .process-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .process-num {
            font-family: "DIN Alternate", "Bahnschrift", sans-serif;
            font-size: 42px;
            font-weight: 700;
            color: var(--brand-amber);
            line-height: 1;
            margin-bottom: 14px;
            display: block;
            letter-spacing: 1px;
        }
        .process-item h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .process-item p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin: 0;
        }
        .process-arrow {
            position: absolute;
            right: -18px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--brand-amber);
            font-size: 14px;
            z-index: 2;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }
        .accordion-item {
            border: 1px solid var(--border-color) !important;
            border-radius: 12px !important;
            margin-bottom: 10px;
            background: #fff;
            overflow: hidden;
            transition: border-color .3s ease;
        }
        .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(212, 154, 58, .45) !important;
        }
        .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--brand-green);
            background: #fff;
            padding: 20px 22px;
            box-shadow: none !important;
            transition: var(--tr);
        }
        .accordion-button:hover {
            background: rgba(30, 58, 47, .02);
        }
        .accordion-button:not(.collapsed) {
            background: #fff;
            color: var(--brand-green);
            box-shadow: none !important;
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(212, 154, 58, .15) !important;
            border-radius: 10px;
        }
        .accordion-button::after {
            content: "\f067";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            background-image: none !important;
            width: 20px;
            height: 20px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-amber);
            font-size: 14px;
            transition: transform .3s ease;
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            color: var(--brand-amber);
        }
        .accordion-body {
            padding: 4px 22px 22px;
            font-size: 14px;
            line-height: 1.9;
            color: var(--text-secondary);
            border-top: 1px solid var(--border-color);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(rgba(20, 37, 28, .92), rgba(20, 37, 28, .92)), url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            padding: 80px 0;
            text-align: center;
        }
        .cta-section .section-label {
            color: var(--brand-amber);
        }
        .cta-section h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-section .cta-desc {
            font-size: 15px;
            color: rgba(246, 244, 239, .85);
            max-width: 520px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            padding: 64px 0 0;
            color: rgba(246, 244, 239, .85);
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .brand-mark {
            background: var(--brand-amber);
            color: var(--bg-dark);
        }
        .site-footer .footer-brand .brand-text {
            color: #F6F4EF;
            font-size: 20px;
        }
        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(246, 244, 239, .72);
            margin-bottom: 0;
            max-width: 320px;
        }
        .site-footer h4 {
            color: #F6F4EF;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 10px;
            font-size: 14px;
            color: rgba(246, 244, 239, .68);
            line-height: 1.6;
        }
        .site-footer ul li a {
            color: rgba(246, 244, 239, .68);
            text-decoration: none;
            transition: color .2s ease;
        }
        .site-footer ul li a:hover {
            color: var(--brand-amber);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            margin-top: 48px;
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: #8FA398;
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199.98px) {
            .container {
                max-width: 960px;
            }
            .plan-card .plan-body {
                padding: 28px 24px;
            }
        }
        @media (max-width: 991.98px) {
            .app-sidebar {
                display: none;
            }
            .app-main {
                margin-left: 0;
                margin-top: 56px;
            }
            .mobile-header {
                display: flex;
            }
            .drawer {
                display: block;
            }
            .container {
                max-width: 720px;
            }
            .page-banner {
                padding: 60px 0 48px;
            }
            .banner-content h1 {
                font-size: 38px;
            }
            .section-block {
                padding: 56px 0;
            }
            .plan-card {
                flex-direction: column;
            }
            .plan-card .plan-img {
                width: 100%;
                min-height: 220px;
            }
            .process-list {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .process-arrow {
                display: none;
            }
            .site-footer {
                padding-top: 48px;
            }
        }
        @media (max-width: 767.98px) {
            .container {
                max-width: 540px;
            }
            .banner-content h1 {
                font-size: 32px;
            }
            .banner-desc {
                font-size: 15px;
            }
            .banner-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .banner-actions .btn {
                width: 100%;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .process-list {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .cta-actions .btn {
                width: 100%;
                max-width: 320px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .mobile-header {
                padding: 0 14px;
            }
            .drawer {
                width: 280px;
            }
            .banner-content h1 {
                font-size: 28px;
            }
            .section-label {
                font-size: 12px;
            }
            .plan-card .plan-img {
                min-height: 180px;
            }
            .plan-card .plan-body {
                padding: 24px 20px;
            }
            .plan-features li {
                font-size: 12px;
                padding: 4px 10px;
            }
            .scenario-card {
                padding: 24px 20px;
            }
        }