/* roulang page: index */
:root {
            --primary: #0B3C2E;
            --primary-hover: #115A43;
            --accent: #C9A56A;
            --accent-hover: #d4b47a;
            --bg: #F6F4EF;
            --surface: #FFFFFF;
            --dark: #0A2B21;
            --text: #1F2937;
            --text-muted: #6B7280;
            --border: #E5E1D8;
            --success: #2F7D4F;
            --warning: #B77820;
            --error: #B42318;
            --info: #355E8A;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow: 0 8px 24px rgba(10, 43, 33, 0.08);
            --shadow-hover: 0 16px 40px rgba(10, 43, 33, 0.12);
            --transition: 0.2s ease;
            --font-good: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

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

        .section {
            padding: 96px 0;
        }

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

        .section-head .kicker {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

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

        .section-head p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 640px;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            gap: 8px;
            white-space: nowrap;
        }

        .btn:focus-visible,
        .form-input:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 4px;
        }

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

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: var(--shadow);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.6);
        }

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

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

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

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            -webkit-backdrop-filter: blur(8px);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 4px 16px rgba(10, 43, 33, 0.04);
            height: 76px;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 32px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-hover));
            border-radius: 10px;
            flex-shrink: 0;
        }

        .logo .logo-icon svg {
            width: 20px;
            height: 20px;
            fill: var(--accent);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-left: 8px;
        }

        .main-nav a {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 2px;
            text-decoration: none;
            transition: color var(--transition);
        }

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

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .header-search {
            position: relative;
            width: 220px;
        }

        .header-search input {
            width: 100%;
            height: 42px;
            border-radius: 20px;
            border: 1px solid transparent;
            background: #F0EEE8;
            padding: 0 16px 0 40px;
            font-size: 14px;
            color: var(--text);
            transition: all var(--transition);
        }

        .header-search input::placeholder {
            color: #9ca3af;
        }

        .header-search input:focus {
            outline: none;
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(11, 60, 46, 0.08);
        }

        .header-search .search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            width: 18px;
            height: 18px;
            fill: none;
            stroke: var(--text-muted);
            stroke-width: 2;
            stroke-linecap: round;
            pointer-events: none;
        }

        .header-cta {
            font-size: 14px;
            padding: 10px 24px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            transition: all var(--transition);
        }

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

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

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

        .mobile-menu {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 20px 24px;
            box-shadow: var(--shadow);
        }

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

        .mobile-menu a {
            display: block;
            padding: 14px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            border-bottom: 1px solid var(--border);
            text-decoration: none;
        }

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

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        .mobile-menu .header-search {
            width: 100%;
            margin: 12px 0;
        }

        .mobile-menu .header-cta {
            width: 100%;
            margin-top: 4px;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 640px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            margin-top: 76px;
            isolation: isolate;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(10, 43, 33, 0.92) 0%, rgba(10, 43, 33, 0.75) 50%, rgba(10, 43, 33, 0.45) 100%);
            z-index: -1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            padding: 80px 24px;
        }

        .hero-content {
            max-width: 760px;
        }

        .hero h1 {
            font-size: 52px;
            font-weight: 700;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.01em;
            animation: fadeInUp 0.4s ease-out;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero-sub {
            font-size: 18px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 36px;
            max-width: 600px;
        }

        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }

        .hero-metrics {
            display: flex;
            gap: 48px;
            flex-wrap: wrap;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-metric {
            display: flex;
            flex-direction: column;
        }

        .hero-metric strong {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }

        .hero-metric span {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* ===== 三步上手 ===== */
        .steps-section {
            padding: 96px 0;
            background: var(--bg);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            position: relative;
        }

        .steps-grid::before {
            content: '';
            position: absolute;
            top: 24px;
            left: calc(16.666% + 20px);
            right: calc(16.666% + 20px);
            height: 1px;
            border-top: 2px dashed rgba(201, 165, 106, 0.4);
            z-index: 0;
        }

        .step-item {
            position: relative;
            text-align: center;
            padding: 0 16px;
            z-index: 1;
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            border: 2px solid var(--accent);
            background: var(--surface);
            color: var(--primary);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 24px;
            box-shadow: var(--shadow);
        }

        .step-item h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .step-item p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.65;
            max-width: 300px;
            margin: 0 auto;
        }

        /* ===== 案例证明 ===== */
        .cases-section {
            padding: 96px 0;
            background: var(--surface);
        }

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

        .case-card {
            border-radius: var(--radius-lg);
            border: 1px solid rgba(10, 43, 33, 0.08);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }

        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(11, 60, 46, 0.2);
        }

        .case-card .case-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }

        .case-card .case-body {
            padding: 28px 32px;
        }

        .case-card blockquote {
            font-size: 17px;
            line-height: 1.7;
            color: var(--text);
            margin-bottom: 20px;
            border-left: 3px solid var(--accent);
            padding-left: 16px;
            font-style: normal;
        }

        .case-card .case-metric {
            display: flex;
            align-items: baseline;
            gap: 8px;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        .case-card .case-metric strong {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
        }

        .case-card .case-metric span {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* ===== 资讯列表 ===== */
        .news-section {
            padding: 96px 0;
            background: var(--bg);
        }

        .news-list {
            display: flex;
            flex-direction: column;
        }

        .news-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 24px 8px;
            border-bottom: 1px solid var(--border);
            transition: background var(--transition);
        }

        .news-item:hover {
            background: var(--surface);
            border-radius: 8px;
            padding-left: 16px;
            padding-right: 16px;
        }

        .news-info {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .news-badge {
            display: inline-flex;
            align-items: center;
            padding: 2px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.04em;
            background: rgba(11, 60, 46, 0.1);
            color: var(--primary);
        }

        .news-date {
            font-size: 13px;
            color: var(--text-muted);
        }

        .news-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            margin: 0;
        }

        .news-title a {
            color: var(--text);
            text-decoration: none;
            transition: color var(--transition);
        }

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

        .news-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin: 0;
        }

        .news-more {
            flex-shrink: 0;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
            transition: all var(--transition);
            text-decoration: none;
        }

        .news-more:hover {
            color: var(--primary-hover);
            transform: translateX(4px);
        }

        .news-empty {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 48px 24px;
            border: 2px dashed var(--border);
            border-radius: var(--radius-md);
            text-align: center;
        }

        .news-empty-icon {
            font-size: 40px;
            margin-bottom: 12px;
        }

        .news-empty p {
            font-size: 15px;
            color: var(--text-muted);
            margin: 0;
        }

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

        .faq-layout {
            display: grid;
            grid-template-columns: 40% 60%;
            gap: 64px;
            align-items: start;
        }

        .faq-side {
            position: sticky;
            top: 120px;
        }

        .faq-side h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .faq-side p {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .accordion {
            list-style: none;
        }

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

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

        .accordion-title {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 4px;
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            text-decoration: none;
            transition: color var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }

        .accordion-title:hover {
            color: var(--primary);
        }

        .accordion-title .acc-icon {
            position: relative;
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }

        .accordion-title .acc-icon::before,
        .accordion-title .acc-icon::after {
            content: '';
            position: absolute;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .accordion-title .acc-icon::before {
            top: 50%;
            left: 0;
            width: 20px;
            height: 2px;
            transform: translateY(-50%);
        }

        .accordion-title .acc-icon::after {
            top: 0;
            left: 50%;
            width: 2px;
            height: 20px;
            transform: translateX(-50%);
        }

        .accordion-item.is-active .accordion-title .acc-icon::after {
            transform: translateX(-50%) scaleY(0);
        }

        .accordion-content {
            display: none;
            padding: 4px 4px 24px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        .accordion-item.is-active .accordion-content {
            display: block;
        }

        .accordion-content p {
            margin-bottom: 8px;
        }

        .accordion-content p:last-child {
            margin: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--dark);
            padding: 96px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
        }

        .cta-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .cta-copy h2 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-copy p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .cta-form {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 32px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 8px;
        }

        .form-input {
            width: 100%;
            height: 44px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            padding: 0 16px;
            font-size: 15px;
            transition: all var(--transition);
        }

        .form-input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .form-input:focus {
            outline: none;
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 3px rgba(201, 165, 106, 0.15);
        }

        textarea.form-input {
            height: auto;
            min-height: 80px;
            padding: 12px 16px;
            resize: vertical;
        }

        .cta-form .btn {
            width: 100%;
            margin-top: 8px;
        }

        .form-note {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            text-align: center;
            margin-top: 12px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.6);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }

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

        .footer-brand .logo .logo-icon {
            background: var(--accent);
        }

        .footer-brand .logo .logo-icon svg {
            fill: var(--primary);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
        }

        .footer-col h3 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col li {
            margin-bottom: 10px;
        }

        .footer-col a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color var(--transition);
        }

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

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 6px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

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

            .header-search {
                width: 180px;
            }

            .hero h1 {
                font-size: 42px;
            }

            .steps-grid {
                gap: 24px;
            }

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

            .faq-side {
                position: static;
            }

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

        @media (max-width: 840px) {
            .main-nav {
                display: none;
            }

            .header-search {
                display: none;
            }

            .header-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .mobile-menu {
                display: none;
            }

            .mobile-menu.open {
                display: block;
                margin-top: 76px;
            }

            .hero {
                margin-top: 76px;
                min-height: 560px;
            }

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

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

            .hero-metrics {
                gap: 24px;
            }

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

            .steps-grid::before {
                display: none;
            }

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

            .section {
                padding: 64px 0;
            }

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

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

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

            .hero .container {
                padding: 60px 16px;
            }

            .hero h1 {
                font-size: 28px;
                line-height: 1.25;
            }

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

            .hero-btns {
                flex-direction: column;
                gap: 12px;
            }

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

            .hero-metrics {
                flex-direction: column;
                gap: 16px;
            }

            .case-card .case-body {
                padding: 20px;
            }

            .news-item {
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 4px;
            }

            .news-more {
                align-self: flex-end;
            }

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

        @media (prefers-reduced-motion: reduce) {
            * {
                animation: none !important;
                transition: none !important;
                scroll-behavior: auto;
            }
        }

/* roulang page: article */
:root {
            --primary: #0B3C2E;
            --primary-hover: #115A43;
            --accent: #C9A56A;
            --accent-hover: #DABE85;
            --bg: #F6F4EF;
            --surface: #FFFFFF;
            --dark: #0A2B21;
            --text: #1F2937;
            --text-muted: #6B7280;
            --border: #E5E1D8;
            --success: #2F7D4F;
            --warning: #B77820;
            --error: #B42318;
            --info: #355E8A;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --shadow: 0 8px 24px rgba(10, 43, 33, 0.08);
            --shadow-hover: 0 16px 40px rgba(10, 43, 33, 0.12);
            --transition: 0.2s ease;
            --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

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

        body.no-scroll {
            overflow: hidden;
        }

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

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }

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

        .text-muted {
            color: var(--text-muted);
        }

        .text-center {
            text-align: center;
        }

        .section {
            padding: 96px 0;
        }

        .section-header {
            margin-bottom: 48px;
            max-width: 720px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

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

        .section-eyebrow {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 12px;
            background: rgba(201, 165, 106, 0.1);
            padding: 4px 16px;
            border-radius: 20px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            cursor: pointer;
            transition: all var(--transition);
            border: 1px solid transparent;
            text-decoration: none;
            gap: 8px;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #0A2B21;
            border-color: var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #0A2B21;
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

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

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

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

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

        .btn-lg {
            padding: 16px 40px;
            font-size: 16px;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }

        .btn:focus-visible,
        .nav-toggle:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 4px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(11, 60, 46, 0.08);
            color: var(--primary);
            letter-spacing: 0.02em;
        }

        .badge-accent {
            background: rgba(201, 165, 106, 0.15);
            color: #8A6D3B;
        }

        .badge-dark {
            background: rgba(10, 43, 33, 0.08);
            color: var(--dark);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 8px rgba(10, 43, 33, 0.04);
            height: 76px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            white-space: nowrap;
        }

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

        .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .logo-icon svg {
            width: 20px;
            height: 20px;
            fill: #fff;
        }

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

        .main-nav a {
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            text-decoration: none;
            border-radius: 6px;
            position: relative;
            transition: all var(--transition);
        }

        .main-nav a:hover {
            color: var(--primary);
            background: rgba(11, 60, 46, 0.04);
        }

        .main-nav a.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(11, 60, 46, 0.06);
        }

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

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

        .header-search {
            display: flex;
            align-items: center;
            background: #F0EEE8;
            border-radius: 20px;
            padding: 0 16px;
            height: 40px;
            width: 220px;
            gap: 8px;
        }

        .header-search .search-icon {
            width: 16px;
            height: 16px;
            stroke: var(--text-muted);
            stroke-width: 2;
            fill: none;
            flex-shrink: 0;
        }

        .header-search input {
            flex: 1;
            background: transparent;
            border: none;
            font-size: 14px;
            color: var(--text);
            width: 100%;
        }

        .header-search input::placeholder {
            color: #9CA3AF;
        }

        .header-search input:focus {
            outline: none;
        }

        .header-search:focus-within {
            box-shadow: 0 0 0 2px rgba(11, 60, 46, 0.2);
        }

        .header-cta {
            padding: 10px 22px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            background: transparent;
            border: none;
            border-radius: 8px;
        }

        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

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

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

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

        .mobile-nav {
            display: none;
            position: fixed;
            top: 76px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 12px 24px rgba(10, 43, 33, 0.08);
            z-index: 999;
            padding: 20px 24px 28px;
            flex-direction: column;
            gap: 6px;
        }

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

        .mobile-nav a {
            padding: 12px 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            text-decoration: none;
            border-radius: 8px;
            border-bottom: 1px solid var(--border);
        }

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

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

        .mobile-nav .mobile-actions {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 20px;
        }

        .mobile-nav .mobile-search {
            display: flex;
            align-items: center;
            background: #F0EEE8;
            border-radius: 20px;
            padding: 0 16px;
            height: 44px;
            gap: 8px;
        }

        .mobile-nav .mobile-search .search-icon {
            width: 16px;
            height: 16px;
            stroke: var(--text-muted);
            stroke-width: 2;
            fill: none;
        }

        .mobile-nav .mobile-search input {
            flex: 1;
            background: transparent;
            border: none;
            font-size: 14px;
        }

        .mobile-search input:focus {
            outline: none;
        }

        .page-banner {
            position: relative;
            background: linear-gradient(120deg, rgba(10, 43, 33, 0.95), rgba(11, 60, 46, 0.82)), url('/assets/images/backpic/back-2.png') no-repeat center center / cover;
            padding: 64px 0;
            color: #fff;
        }

        .page-banner .banner-content {
            max-width: 780px;
        }

        .page-banner h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .page-banner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 0;
        }

        .breadcrumb {
            background: transparent;
            padding: 16px 0;
            font-size: 14px;
            color: var(--text-muted);
            border-bottom: 1px solid var(--border);
        }

        .breadcrumb .container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

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

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

        .breadcrumb .sep {
            color: #D1CCC3;
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 300px;
        }

        .article-wrapper {
            padding: 64px 0 96px;
        }

        .article-layout {
            max-width: 760px;
            margin: 0 auto;
        }

        .article-header {
            margin-bottom: 48px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border);
        }

        .article-header .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .article-header .article-meta .badge {
            font-size: 13px;
        }

        .article-header .article-meta .meta-text {
            font-size: 14px;
            color: var(--text-muted);
        }

        .article-header h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.015em;
            color: var(--text);
            margin-bottom: 20px;
        }

        .article-header .article-summary {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-muted);
        }

        .article-content {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            overflow-wrap: break-word;
        }

        .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--primary);
            margin-top: 48px;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
        }

        .article-content h3 {
            font-size: 20px;
            font-weight: 600;
            line-height: 1.45;
            color: var(--primary);
            margin-top: 32px;
            margin-bottom: 12px;
        }

        .article-content h4 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text);
            margin-top: 24px;
            margin-bottom: 8px;
        }

        .article-content p {
            margin-bottom: 24px;
        }

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

        .article-content li {
            margin-bottom: 8px;
        }

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

        .article-content blockquote {
            margin: 32px 0;
            padding: 24px 32px;
            border-left: 4px solid var(--accent);
            background: rgba(201, 165, 106, 0.08);
            border-radius: 0 12px 12px 0;
            font-size: 16px;
            font-style: normal;
            color: var(--text);
        }

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

        .article-content img {
            border-radius: var(--radius-lg);
            margin: 32px 0;
            box-shadow: var(--shadow);
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-decoration-color: rgba(11, 60, 46, 0.3);
            text-underline-offset: 3px;
        }

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

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 32px 0;
            font-size: 15px;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--border);
            padding: 12px 16px;
            text-align: left;
        }

        .article-content table th {
            background: rgba(11, 60, 46, 0.04);
            font-weight: 600;
            color: var(--primary);
        }

        .article-content table tr:hover {
            background: rgba(11, 60, 46, 0.02);
        }

        .article-not-found {
            text-align: center;
            padding: 80px 40px;
            background: var(--surface);
            border: 1px dashed var(--border);
            border-radius: var(--radius-lg);
        }

        .article-not-found .nf-icon {
            width: 72px;
            height: 72px;
            background: rgba(11, 60, 46, 0.06);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
            font-size: 32px;
            color: var(--primary);
        }

        .article-not-found h2 {
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .related-section {
            background: var(--surface);
            border-top: 1px solid var(--border);
            padding: 64px 0;
        }

        .related-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
        }

        .related-header h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
        }

        .related-header a {
            font-size: 14px;
            color: var(--text-muted);
        }

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

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

        .related-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all var(--transition);
        }

        .related-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .related-card .rc-thumb {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: 4px;
        }

        .related-card .rc-badge {
            align-self: flex-start;
        }

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

        .related-card p {
            font-size: 14px;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }

        .related-card .rc-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-top: auto;
        }

        .back-home {
            padding: 48px 0;
            text-align: center;
        }

        .back-home a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
        }

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

        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 72px 0 0;
            position: relative;
            border-top: 1px solid rgba(201, 165, 106, 0.2);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 56px;
        }

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

        .footer-brand .logo-icon {
            background: var(--accent);
        }

        .footer-brand .logo-icon svg {
            fill: #0A2B21;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
            margin-bottom: 0;
        }

        .footer-col h3 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.05em;
        }

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

        .footer-col ul li {
            margin-bottom: 12px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            text-decoration: none;
            transition: all var(--transition);
        }

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

        .footer-col p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

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

        .footer-bottom p {
            margin-bottom: 0;
        }

        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .header-search {
                width: 180px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }

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

            .site-header .container {
                padding: 0 16px;
            }

            .main-nav {
                display: none;
            }

            .header-actions {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .page-banner {
                padding: 48px 0;
            }

            .page-banner h1 {
                font-size: 28px;
            }

            .article-wrapper {
                padding: 40px 0 64px;
            }

            .article-header h1 {
                font-size: 28px;
            }

            .article-header .article-summary {
                font-size: 16px;
            }

            .article-content {
                font-size: 15px;
            }

            .article-content h2 {
                font-size: 22px;
            }

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

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

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

            .breadcrumb .current {
                max-width: 220px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

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

            .article-header h1 {
                font-size: 24px;
                line-height: 1.35;
            }

            .article-header .article-meta {
                gap: 10px;
            }

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

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

            html {
                scroll-behavior: auto;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0B3C2E;
            --primary-hover: #115A43;
            --accent: #C9A56A;
            --bg: #F6F4EF;
            --surface: #FFFFFF;
            --dark: #0A2B21;
            --text: #1F2937;
            --text-secondary: #6B7280;
            --border: #E5E1D8;
            --success: #2F7D4F;
            --warning: #B77820;
            --error: #B42318;
            --info: #355E8A;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 8px 24px rgba(10, 43, 33, 0.08);
            --shadow-lg: 0 16px 40px rgba(10, 43, 33, 0.12);
            --transition: 0.2s ease;
            --header-h: 76px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            text-align: left;
        }

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

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

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

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

        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 4px;
        }

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

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

        .section {
            padding: 96px 0;
        }

        .section-head {
            max-width: 680px;
            margin-bottom: 56px;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--dark);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            text-decoration: none;
            cursor: pointer;
            border: 1px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn:hover {
            text-decoration: none;
        }

        .btn:active {
            transform: translateY(1px);
        }

        .btn-lg {
            height: 50px;
            padding: 0 36px;
            font-size: 16px;
            border-radius: 10px;
        }

        .btn-accent {
            background: var(--accent);
            color: var(--dark);
        }

        .btn-accent:hover {
            background: #D9B87E;
            color: var(--dark);
        }

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

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

        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }

        /* ===== Header ===== */
        .site-header {
            background: #fff;
            height: var(--header-h);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(10, 43, 33, 0.04);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            white-space: nowrap;
        }

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

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .logo-icon svg {
            width: 22px;
            height: 22px;
            fill: #fff;
        }

        .main-nav {
            display: flex;
            gap: 28px;
            align-items: center;
        }

        .main-nav a {
            color: var(--text);
            font-size: 15px;
            font-weight: 500;
            text-decoration: none;
            padding: 8px 0;
            position: relative;
            transition: color var(--transition);
        }

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

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

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

        .header-search {
            display: flex;
            align-items: center;
            background: #F0EEE8;
            border-radius: 20px;
            padding: 0 14px;
            height: 40px;
            width: 220px;
            transition: box-shadow var(--transition);
        }

        .header-search:focus-within {
            box-shadow: 0 0 0 2px rgba(11, 60, 46, 0.2);
        }

        .header-search svg {
            width: 16px;
            height: 16px;
            fill: none;
            stroke: var(--text-secondary);
            stroke-width: 2;
            margin-right: 8px;
            flex-shrink: 0;
        }

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

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

        .header-cta {
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            border-radius: 6px;
        }

        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition);
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 80px 0 88px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(10, 43, 33, 0.92) 0%, rgba(10, 43, 33, 0.72) 55%, rgba(10, 43, 33, 0.45) 100%);
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(201, 165, 106, 0.18);
            border: 1px solid rgba(201, 165, 106, 0.45);
            color: #E6CDA0;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            padding: 5px 16px;
            border-radius: 100px;
            margin-bottom: 24px;
            text-transform: none;
        }

        .page-hero h1 {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 20px;
            max-width: 760px;
            letter-spacing: -0.015em;
            color: #fff;
        }

        .page-hero .hero-lead {
            font-size: 17px;
            line-height: 1.75;
            max-width: 600px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
        }

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

        /* ===== Steps Section ===== */
        .steps-section {
            background: var(--bg);
        }

        .step-item {
            margin-bottom: 72px;
        }

        .step-item:last-child {
            margin-bottom: 0;
        }

        .step-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(10, 43, 33, 0.08);
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .step-img img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

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

        .step-body {
            padding: 24px 8px 24px 40px;
        }

        .step-reverse .step-body {
            padding: 24px 40px 24px 8px;
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            border: 2px solid var(--accent);
            background: rgba(201, 165, 106, 0.12);
            color: var(--primary);
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .step-body h3 {
            font-size: 20px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .step-body p {
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }

        .step-tag {
            display: inline-block;
            font-size: 13px;
            color: var(--primary);
            background: rgba(11, 60, 46, 0.08);
            padding: 4px 12px;
            border-radius: 100px;
            font-weight: 500;
            margin-bottom: 14px;
        }

        /* ===== Prep Section ===== */
        .prep-section {
            background: var(--dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .prep-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
        }

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

        .prep-section .section-head p {
            color: rgba(255, 255, 255, 0.65);
        }

        .prep-grid {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 720px;
        }

        .prep-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: background var(--transition), border-color var(--transition);
        }

        .prep-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(201, 165, 106, 0.4);
        }

        .prep-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(201, 165, 106, 0.15);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 16px;
        }

        .prep-item h3 {
            font-size: 17px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }

        .prep-item p {
            font-size: 15px;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.65);
        }

        /* ===== Scenarios Section ===== */
        .scenarios-section {
            background: var(--bg);
        }

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

        .scenario-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid rgba(10, 43, 33, 0.08);
            padding: 32px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: rgba(11, 60, 46, 0.25);
            transform: translateY(-2px);
        }

        .scenario-card .icon-badge {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(11, 60, 46, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
            transition: background var(--transition), color var(--transition);
        }

        .scenario-card:hover .icon-badge {
            background: var(--primary);
            color: #fff;
        }

        .scenario-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .scenario-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .faq-layout {
            display: flex;
            gap: 72px;
        }

        .faq-side {
            flex: 0 0 38%;
        }

        .faq-side h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--dark);
            margin-bottom: 16px;
        }

        .faq-side p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .faq-list {
            flex: 1;
        }

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

        .faq-item summary {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            cursor: pointer;
            font-size: 18px;
            font-weight: 600;
            color: var(--dark);
            list-style: none;
            transition: color var(--transition);
        }

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

        .faq-item summary:hover {
            color: var(--primary);
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1px solid var(--border);
            position: relative;
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .faq-item[open] .faq-icon {
            background: var(--primary);
            border-color: var(--primary);
            transform: rotate(45deg);
        }

        .faq-icon::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 10px;
            height: 1.5px;
            background: var(--text-secondary);
            transform: translate(-50%, -50%);
        }

        .faq-item[open] .faq-icon::before {
            background: #fff;
        }

        .faq-icon::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 1.5px;
            height: 10px;
            background: var(--text-secondary);
            transform: translate(-50%, -50%);
        }

        .faq-item[open] .faq-icon::after {
            display: none;
        }

        .faq-answer {
            padding: 0 24px 24px 0;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--dark);
            position: relative;
            overflow: hidden;
            padding: 96px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
        }

        .cta-layout {
            display: flex;
            gap: 64px;
            align-items: flex-start;
        }

        .cta-info {
            flex: 1;
        }

        .cta-info h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .cta-info p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.75;
            max-width: 440px;
        }

        .cta-form {
            flex: 1;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 36px;
        }

        .cta-form h3 {
            font-size: 20px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }

        .cta-form .form-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 24px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 8px;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            height: 44px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 0 16px;
            font-size: 15px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .form-group textarea {
            height: 88px;
            padding: 12px 16px;
            resize: vertical;
            line-height: 1.6;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(201, 165, 106, 0.15);
        }

        .cta-form .btn-submit {
            width: 100%;
            height: 48px;
            background: var(--accent);
            color: var(--dark);
            border: none;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            margin-top: 8px;
        }

        .cta-form .btn-submit:hover {
            background: #D9B87E;
        }

        .cta-form .btn-submit:active {
            transform: translateY(1px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0A2B21;
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 0;
        }

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

        .site-footer .logo-icon {
            background: rgba(255, 255, 255, 0.12);
        }

        .footer-grid {
            display: flex;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand {
            flex: 0 0 38%;
        }

        .footer-brand p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.75;
            max-width: 380px;
            margin-top: 12px;
        }

        .footer-col {
            flex: 1;
        }

        .footer-col h3 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
        }

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

        .footer-col ul li {
            margin-bottom: 12px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 15px;
            transition: color var(--transition);
        }

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

        .footer-col p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
            line-height: 1.7;
        }

        .footer-bottom {
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-bottom p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 18px;
            }
            .header-search {
                width: 180px;
            }
            .header-inner {
                gap: 16px;
            }
            .faq-layout {
                flex-direction: column;
                gap: 32px;
            }
            .faq-side {
                flex: none;
            }
            .cta-layout {
                flex-direction: column;
                gap: 48px;
            }
            .footer-brand {
                flex: 0 0 45%;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .page-hero {
                padding: 56px 0 64px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .page-hero .hero-lead {
                font-size: 15px;
            }
            .header-search {
                display: none;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-sm);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                font-size: 16px;
                padding: 12px 0;
                width: 100%;
                border-bottom: 1px solid var(--border);
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .main-nav a.active::after {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .header-actions .header-cta {
                display: none;
            }
            .step-item,
            .step-item .step-body,
            .step-item .step-reverse .step-body {
                padding: 0;
            }
            .step-body {
                padding-top: 24px !important;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .prep-item {
                flex-direction: column;
            }
            .faq-item summary {
                font-size: 16px;
            }
            .cta-form {
                padding: 24px;
            }
            .footer-grid {
                flex-direction: column;
                gap: 32px;
            }
            .footer-brand {
                flex: none;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .logo {
                font-size: 15px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .hero-actions .btn {
                width: 100%;
                margin-bottom: 4px;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .btn-lg {
                height: 46px;
                font-size: 15px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0B3C2E;
            --primary-hover: #115A43;
            --accent: #C9A56A;
            --accent-hover: #D8BC8A;
            --bg: #F6F4EF;
            --surface: #FFFFFF;
            --dark: #0A2B21;
            --text: #1F2937;
            --text-secondary: #6B7280;
            --border: #E5E1D8;
            --success: #2F7D4F;
            --warning: #B77820;
            --error: #B42318;
            --info: #355E8A;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 8px 24px rgba(10, 43, 33, 0.08);
            --shadow-hover: 0 16px 40px rgba(10, 43, 33, 0.12);
            --transition: 0.2s ease;
        }

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

        html {
            -webkit-text-size-adjust: 100%;
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            text-align: left;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 4px;
            border-radius: 4px;
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

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

        .section {
            padding: 96px 0;
        }

        .section-white {
            background: var(--surface);
            padding: 96px 0;
        }

        .section-dark {
            background: var(--dark);
            padding: 96px 0;
            color: #fff;
        }

        .section-tag {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent);
            background: rgba(201, 165, 106, 0.12);
            border-radius: 20px;
            padding: 6px 18px;
            margin-bottom: 18px;
        }

        .section-dark .section-tag {
            background: rgba(201, 165, 106, 0.20);
        }

        .section-header {
            margin-bottom: 48px;
            max-width: 720px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 14px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .section-header.light h2 {
            color: #fff;
        }

        .section-header.light p {
            color: rgba(255, 255, 255, 0.72);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn-accent {
            background: var(--accent);
            color: #10221b;
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            color: #10221b;
            box-shadow: var(--shadow-sm);
        }

        .btn-accent:active {
            transform: translateY(1px);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

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

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.6);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
        }

        .btn-full {
            width: 100%;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(10, 43, 33, 0.04);
            height: 76px;
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--primary);
            font-size: 20px;
            font-weight: 700;
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .logo-icon svg {
            width: 20px;
            height: 20px;
            fill: var(--accent);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 30px;
        }

        .main-nav a {
            font-size: 15px;
            color: var(--text-secondary);
            font-weight: 500;
            padding: 6px 2px;
            position: relative;
            text-decoration: none;
            white-space: nowrap;
            transition: color var(--transition);
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
        }

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

        .main-nav a:hover::after {
            transform: scaleX(1);
        }

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

        .main-nav a.active::after {
            transform: scaleX(1);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .header-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .header-search .search-icon {
            position: absolute;
            left: 14px;
            width: 18px;
            height: 18px;
            fill: none;
            stroke: var(--text-secondary);
            stroke-width: 2;
            pointer-events: none;
        }

        .header-search input {
            width: 210px;
            height: 40px;
            border-radius: 20px;
            border: none;
            background: #F0EEE8;
            padding: 0 16px 0 42px;
            font-size: 14px;
            color: var(--text);
            outline: none;
            transition: box-shadow var(--transition), background var(--transition);
        }

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

        .header-search input:focus {
            box-shadow: 0 0 0 2px rgba(11, 60, 46, 0.15);
            background: #fff;
        }

        .header-cta {
            height: 40px;
            padding: 0 22px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: background var(--transition);
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(11, 60, 46, 0.06);
        }

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

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

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

        /* ===== Category Hero ===== */
        .category-hero {
            position: relative;
            background: linear-gradient(100deg, rgba(10, 43, 33, 0.94) 0%, rgba(10, 43, 33, 0.78) 60%, rgba(11, 60, 46, 0.62) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 84px 0 72px;
            color: #fff;
        }

        .category-hero-content {
            max-width: 760px;
        }

        .category-badge {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent);
            border: 1px solid rgba(201, 165, 106, 0.5);
            border-radius: 20px;
            padding: 6px 18px;
            margin-bottom: 22px;
            background: rgba(201, 165, 106, 0.08);
        }

        .category-hero h1 {
            font-size: 46px;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }

        .category-hero p {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            max-width: 640px;
        }

        /* ===== Warning Cards ===== */
        .warning-grid {
            row-gap: 28px;
        }

        .warning-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid rgba(10, 43, 33, 0.08);
            padding: 32px;
            height: 100%;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
        }

        .warning-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(11, 60, 46, 0.25);
        }

        .warning-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            background: rgba(180, 35, 24, 0.08);
            color: var(--error);
        }

        .warning-icon svg {
            width: 26px;
            height: 26px;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .warning-card:nth-child(2) .warning-icon {
            background: rgba(183, 120, 32, 0.10);
            color: var(--warning);
        }

        .warning-card:nth-child(3) .warning-icon {
            background: rgba(53, 94, 138, 0.10);
            color: var(--info);
        }

        .warning-card:nth-child(4) .warning-icon {
            background: rgba(11, 60, 46, 0.08);
            color: var(--primary);
        }

        .warning-card h3 {
            font-size: 20px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 12px;
            color: var(--text);
        }

        .warning-card p {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        /* ===== Checklist ===== */
        .checklist-section .grid-x {
            align-items: center;
        }

        .checklist-section h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
            color: var(--text);
        }

        .checklist-intro {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 28px;
        }

        .checklist {
            display: flex;
            flex-direction: column;
        }

        .checklist-item {
            display: flex;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            transition: background var(--transition);
        }

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

        .check-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(47, 125, 79, 0.1);
            color: var(--success);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            margin-top: 2px;
        }

        .check-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }

        .check-content p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
        }

        .checklist-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }

        .checklist-image img {
            width: 100%;
            height: 100%;
            min-height: 340px;
            object-fit: cover;
        }

        .checklist-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(10, 43, 33, 0.35));
            pointer-events: none;
        }

        /* ===== Identity Section ===== */
        .identity-section {
            position: relative;
        }

        .identity-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
        }

        .identity-grid {
            row-gap: 28px;
        }

        .identity-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 30px 26px;
            height: 100%;
            transition: background var(--transition), border-color var(--transition), transform var(--transition);
        }

        .identity-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(201, 165, 106, 0.4);
            transform: translateY(-4px);
        }

        .identity-num {
            display: inline-block;
            font-size: 14px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.1em;
            margin-bottom: 16px;
            opacity: 0.85;
        }

        .identity-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 10px;
        }

        .identity-card p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.66);
        }

        /* ===== Response Steps ===== */
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .step-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            position: relative;
        }

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

        .step-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 2px solid var(--accent);
            color: var(--primary);
            background: rgba(201, 165, 106, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            font-weight: 700;
        }

        .step-item h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }

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

        /* ===== FAQ ===== */
        .faq-section .grid-x {
            align-items: flex-start;
        }

        .faq-section h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
            color: var(--text);
        }

        .faq-section .faq-intro {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .accordion {
            background: transparent;
            margin: 0;
        }

        .accordion-item {
            border: none;
            margin: 0;
            background: transparent;
            border-bottom: 1px solid var(--border);
        }

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

        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            background: transparent;
            border: none;
            padding: 22px 48px 22px 0;
            line-height: 1.5;
            transition: color var(--transition);
            position: relative;
        }

        .accordion-title:hover,
        .accordion-title:focus {
            background: transparent;
            color: var(--primary);
        }

        .accordion-title::after {
            content: '+';
            position: absolute;
            right: 4px;
            top: 50%;
            transform: translateY(-50%);
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 300;
            color: var(--primary);
            border-radius: 50%;
            background: rgba(11, 60, 46, 0.06);
            transition: background var(--transition), color var(--transition);
        }

        .accordion-item.is-active > .accordion-title::after {
            content: '×';
            font-size: 20px;
            background: var(--primary);
            color: #fff;
        }

        .accordion-content {
            background: transparent;
            border: none;
            padding: 0 40px 22px 0;
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        .accordion-content p {
            margin: 0;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--dark);
            padding: 96px 0;
            position: relative;
            color: #fff;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
        }

        .cta-inner {
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-header h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: #fff;
        }

        .cta-header p {
            font-size: 16px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 40px;
        }

        .cta-form {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 36px;
            text-align: left;
        }

        .cta-form .grid-x {
            row-gap: 20px;
        }

        .cta-form input[type="text"],
        .cta-form input[type="tel"] {
            width: 100%;
            height: 46px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.14);
            background: rgba(255, 255, 255, 0.06);
            padding: 0 16px;
            font-size: 15px;
            color: #fff;
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(201, 165, 106, 0.18);
            background: rgba(255, 255, 255, 0.08);
        }

        .cta-form input:invalid:not(:placeholder-shown) {
            border-color: rgba(180, 35, 24, 0.6);
        }

        .cta-form .btn {
            margin-top: 8px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.72);
            padding: 64px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }

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

        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.58);
            max-width: 360px;
        }

        .footer-col h3 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

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

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

        .footer-col p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.42);
        }

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

            .main-nav {
                gap: 20px;
            }

            .header-search input {
                width: 170px;
            }

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

        @media (max-width: 860px) {
            .section,
            .section-white,
            .section-dark {
                padding: 64px 0;
            }

            .cta-section {
                padding: 64px 0;
            }

            .site-header {
                height: auto;
                min-height: 68px;
            }

            .header-inner {
                flex-wrap: wrap;
                padding: 12px 20px;
                position: relative;
            }

            .nav-toggle {
                display: flex;
                order: 3;
                margin-left: auto;
            }

            .header-actions {
                display: none;
                width: 100%;
                order: 4;
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
                padding: 14px 0 6px;
                border-top: 1px solid var(--border);
                margin-top: 12px;
            }

            .header-actions.open {
                display: flex;
            }

            .header-search input {
                width: 100%;
            }

            .header-cta {
                width: 100%;
                height: 44px;
            }

            .main-nav {
                display: none;
                width: 100%;
                order: 4;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 14px 0 8px;
                border-top: 1px solid var(--border);
                margin-top: 12px;
            }

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

            .main-nav a {
                display: block;
                width: 100%;
                padding: 12px 0;
                font-size: 16px;
                border-bottom: 1px solid rgba(10, 43, 33, 0.04);
            }

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

            .main-nav a.active {
                color: var(--primary);
                font-weight: 600;
                border-left: 3px solid var(--primary);
                padding-left: 12px;
            }

            .category-hero {
                padding: 60px 0 50px;
            }

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

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

            .section-header h2,
            .checklist-section h2,
            .faq-section h2 {
                font-size: 24px;
            }

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

            .cta-form {
                padding: 24px 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .logo {
                font-size: 17px;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
            }

            .category-hero h1 {
                font-size: 27px;
            }

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

            .checklist-image img {
                min-height: 220px;
            }

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

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

        @media (min-width: 861px) {
            .main-nav {
                display: flex !important;
            }

            .header-actions {
                display: flex !important;
            }

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

/* roulang page: category3 */
:root {
  --primary: #0B3C2E;
  --primary-hover: #115A43;
  --accent: #C9A56A;
  --accent-hover: #D6B87E;
  --bg: #F6F4EF;
  --surface: #FFFFFF;
  --dark: #0A2B21;
  --text: #1F2937;
  --text-muted: #6B7280;
  --border: #E5E1D8;
  --success: #2F7D4F;
  --warning: #B77820;
  --error: #B42318;
  --info: #355E8A;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 8px 24px rgba(10, 43, 33, 0.08);
  --shadow-hover: 0 16px 40px rgba(10, 43, 33, 0.12);
  --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: var(--primary); transition: color var(--transition); }
a:hover { color: var(--primary-hover); }
button, input, textarea { font-family: inherit; }
ul, ol { list-style: none; }

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #0A2B21; }
.btn-primary:hover { background: var(--accent-hover); color: #0A2B21; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(201, 165, 106, 0.35); }
.btn-primary:active { transform: translateY(0); }
.btn-outline { background: transparent; border-color: rgba(255, 255, 255, 0.65); color: #fff; }
.btn-outline:hover { background: rgba(255, 255, 255, 0.12); color: #fff; border-color: #fff; }
.btn-outline:active { transform: translateY(0); }
.btn-dark { background: var(--primary); color: #fff; }
.btn-dark:hover { background: var(--primary-hover); color: #fff; transform: translateY(-1px); }

:focus-visible { outline: 2px solid var(--primary); outline-offset: 4px; }

/* === Header === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(10, 43, 33, 0.04);
  height: 80px;
  display: flex;
  align-items: center;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  white-space: nowrap;
}
.logo:hover { color: var(--primary); }
.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.logo-icon svg { width: 20px; height: 20px; fill: var(--accent); }
.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  position: relative;
  padding: 8px 0;
  line-height: 1.4;
}
.main-nav a:hover { color: var(--primary); }
.main-nav a.active { color: var(--primary); }
.main-nav a.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.header-actions { display: flex; align-items: center; gap: 16px; }
.header-search {
  display: flex;
  align-items: center;
  background: #F0EEE8;
  border-radius: 20px;
  padding: 0 14px;
  height: 40px;
  width: 220px;
  transition: box-shadow var(--transition);
}
.header-search:focus-within { box-shadow: 0 0 0 2px rgba(11, 60, 46, 0.18); background: #fff; }
.header-search svg { width: 16px; height: 16px; fill: none; stroke: #9CA3AF; stroke-width: 2; margin-right: 8px; flex-shrink: 0; }
.header-search input { border: none; background: transparent; outline: none; font-size: 13px; width: 100%; color: var(--text); }
.header-search input::placeholder { color: #9CA3AF; }
.header-cta { padding: 10px 22px; font-size: 14px; }
.nav-toggle { display: none; background: none; border: none; width: 34px; height: 34px; flex-direction: column; justify-content: center; gap: 5px; cursor: pointer; padding: 0; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: all 0.25s ease; }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* === Page Hero === */
.page-hero {
  position: relative;
  padding: 84px 0 72px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 43, 33, 0.92), rgba(10, 43, 33, 0.76));
}
.page-hero .container { position: relative; z-index: 2; }
.hero-breadcrumb {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.hero-breadcrumb a { color: rgba(255, 255, 255, 0.72); text-decoration: underline; transition: color var(--transition); }
.hero-breadcrumb a:hover { color: var(--accent); }
.hero-breadcrumb .sep { opacity: 0.5; }
.page-hero h1 {
  font-size: 46px;
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}
.page-hero .hero-subtitle {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.88);
  max-width: 660px;
  line-height: 1.7;
}

/* === FAQ Section === */
.faq-section { padding: 96px 0; }
.faq-grid { display: flex; gap: 64px; align-items: flex-start; }
.faq-left { flex: 0 0 38%; }
.faq-left .section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: rgba(201, 165, 106, 0.12);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 18px;
}
.faq-left h2 { font-size: 32px; font-weight: 700; line-height: 1.3; color: var(--text); margin-bottom: 16px; }
.faq-left p { color: var(--text-muted); font-size: 15px; line-height: 1.8; }
.faq-left .faq-help-link { margin-top: 24px; display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--primary); }
.faq-left .faq-help-link:hover { color: var(--primary-hover); }
.faq-right { flex: 1; }
.accordion-item { border-bottom: 1px solid var(--border); }
.accordion-item:first-child { border-top: 1px solid var(--border); }
.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
  cursor: pointer;
  transition: background var(--transition);
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
}
.accordion-header:hover h3 { color: var(--primary); }
.accordion-header h3 { font-size: 18px; font-weight: 600; color: var(--text); transition: color var(--transition); margin: 0; line-height: 1.4; }
.accordion-icon {
  font-size: 28px;
  font-weight: 300;
  color: var(--accent);
  flex-shrink: 0;
  line-height: 1;
  transition: transform 0.25s ease, color var(--transition);
}
.accordion-item.active .accordion-icon { color: var(--primary); transform: rotate(45deg); }
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.accordion-content p {
  padding: 0 0 24px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
}

/* === Help Section === */
.help-section { padding: 0 0 96px; background: transparent; }
.help-section .section-header { text-align: center; margin-bottom: 48px; }
.help-section .section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--primary);
  background: rgba(11, 60, 46, 0.08);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
}
.help-section h2 { font-size: 32px; font-weight: 700; color: var(--text); line-height: 1.3; }
.help-section .section-desc { color: var(--text-muted); font-size: 15px; max-width: 600px; margin: 12px auto 0; }
.help-card {
  background: var(--surface);
  border: 1px solid rgba(10, 43, 33, 0.08);
  border-radius: var(--radius-md);
  padding: 24px;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}
.help-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: var(--primary);
}
.help-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
}
.help-card h3 { font-size: 20px; font-weight: 600; color: var(--text); margin-bottom: 10px; line-height: 1.4; }
.help-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; flex-grow: 1; margin-bottom: 18px; }
.help-card .btn { align-self: flex-start; padding: 10px 24px; font-size: 14px; }

/* === CTA Section === */
.cta-section {
  background: var(--dark);
  padding: 72px 0;
  position: relative;
  border-top: 1px solid rgba(201, 165, 106, 0.35);
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
}
.cta-section::before { content: ''; position: absolute; inset: 0; background: rgba(10, 43, 33, 0.9); }
.cta-section .container { position: relative; z-index: 2; }
.cta-content { text-align: center; max-width: 680px; margin: 0 auto; }
.cta-content h2 { font-size: 30px; font-weight: 700; color: #fff; line-height: 1.3; margin-bottom: 14px; }
.cta-content p { color: rgba(255, 255, 255, 0.75); font-size: 16px; line-height: 1.7; margin-bottom: 30px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* === Footer === */
.site-footer { background: var(--dark); color: rgba(255, 255, 255, 0.6); padding: 64px 0 0; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; padding-bottom: 40px; }
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand .logo:hover { color: #fff; }
.footer-brand .logo-icon { background: rgba(201, 165, 106, 0.15); }
.footer-brand p { color: rgba(255, 255, 255, 0.55); line-height: 1.7; max-width: 360px; }
.footer-col h3 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 18px; letter-spacing: 0.04em; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: rgba(255, 255, 255, 0.55); transition: color var(--transition); }
.footer-col a:hover { color: var(--accent); }
.footer-col p { color: rgba(255, 255, 255, 0.55); line-height: 1.7; margin-bottom: 6px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 20px 0; text-align: center; color: rgba(255, 255, 255, 0.4); font-size: 13px; }

/* === Responsive === */
@media (max-width: 1024px) {
  .main-nav { gap: 20px; }
  .header-search { width: 170px; }
  .faq-grid { gap: 40px; }
  .faq-left { flex-basis: 36%; }
}

@media (max-width: 768px) {
  .site-header { height: 68px; }
  .main-nav {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 20px;
    box-shadow: 0 12px 24px rgba(10, 43, 33, 0.08);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    z-index: 99;
  }
  .main-nav.open { transform: translateY(0); }
  .main-nav a { width: 100%; padding: 12px 0; border-bottom: 1px solid rgba(10, 43, 33, 0.06); font-size: 15px; }
  .main-nav a.active::after { display: none; }
  .main-nav a.active { color: var(--primary); font-weight: 600; }
  .header-actions { gap: 10px; }
  .header-search { display: none; }
  .header-cta { padding: 9px 18px; font-size: 13px; }
  .nav-toggle { display: flex; }

  .page-hero { padding: 56px 0 48px; }
  .page-hero h1 { font-size: 32px; }
  .page-hero .hero-subtitle { font-size: 15px; }

  .faq-section { padding: 64px 0; }
  .faq-grid { flex-direction: column; gap: 40px; }
  .faq-left { flex-basis: auto; }
  .faq-left h2 { font-size: 24px; }
  .faq-right { width: 100%; }
  .accordion-header h3 { font-size: 16px; }
  .accordion-icon { font-size: 24px; }

  .help-section { padding: 0 0 64px; }
  .help-section h2 { font-size: 24px; }
  .help-card img { height: 160px; }

  .cta-section { padding: 56px 0; }
  .cta-content h2 { font-size: 24px; }
  .cta-content p { font-size: 15px; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-brand p { max-width: 100%; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .logo { font-size: 15px; gap: 7px; }
  .logo-icon { width: 30px; height: 30px; }
  .logo-icon svg { width: 16px; height: 16px; }
  .header-cta { display: none; }
  .page-hero h1 { font-size: 27px; }
  .hero-subtitle { font-size: 14px; }
  .faq-left p { font-size: 14px; }
  .accordion-content p { font-size: 14px; }
  .help-card { padding: 18px; }
  .help-card img { height: 140px; }
  .help-card h3 { font-size: 18px; }
  .cta-actions { flex-direction: column; align-items: center; }
  .cta-actions .btn { width: 100%; justify-content: center; }
}

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