/* roulang page: index */
/* ========== 设计变量 ========== */
        :root {
            --primary: #0B4D3B;
            --primary-dark: #073528;
            --primary-light: #14634B;
            --accent: #C4A45D;
            --accent-light: #D4BC7D;
            --bg: #F7F4EE;
            --surface: #FFFFFF;
            --bg-alt: #F1ECE1;
            --text: #1E2A28;
            --text-muted: #6A7873;
            --border: #E3DFD3;
            --success: #2F7E5B;
            --warning: #B5452C;
            --radius: 16px;
            --radius-btn: 999px;
            --radius-input: 12px;
            --shadow: 0 2px 8px rgba(11,77,59,.06), 0 8px 24px rgba(11,77,59,.10);
            --shadow-lg: 0 8px 20px rgba(11,77,59,.12), 0 16px 48px rgba(11,77,59,.16);
            --container-w: 1200px;
            --space: 6rem;
            --font-serif: 'Noto Serif SC','Songti SC','SimSun',Georgia,serif;
            --font-sans: -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
        }

        /* ========== Reset / Base ========== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img, svg {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .25s ease;
        }
        a:hover {
            color: var(--primary-light);
        }
        button, input, textarea {
            font-family: inherit;
            font-size: 1rem;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
        }
        ul, ol {
            list-style: none;
        }
        h1, h2, h3, h4 {
            font-family: var(--font-serif);
            line-height: 1.3;
            font-weight: 700;
        }
        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 24px;
        }
        ::selection {
            background: rgba(196,164,93,.25);
        }
        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ========== 通用按钮 ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            transition: background .25s ease, transform .2s ease, box-shadow .25s ease;
            box-shadow: 0 4px 16px rgba(11,77,59,.18);
        }
        .btn-primary:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(11,77,59,.24);
        }
        .btn-primary:active {
            transform: scale(.98);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255,255,255,.65);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            background: rgba(255,255,255,.08);
            transition: background .25s ease, transform .2s ease, border-color .25s ease;
        }
        .btn-outline:hover {
            background: rgba(255,255,255,.18);
            border-color: #fff;
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-outline:active {
            transform: scale(.98);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            transition: background .25s ease, transform .2s ease, box-shadow .25s ease;
        }
        .btn-accent:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(196,164,93,.3);
        }
        .btn-accent:active {
            transform: scale(.98);
        }

        /* ========== 导航 ========== */
        .site-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            background: rgba(255,255,255,.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(11,77,59,.12);
            border-radius: var(--radius-btn);
            box-shadow: 0 8px 32px rgba(11,77,59,.08);
            max-width: calc(100% - 24px);
            width: auto;
        }
        .site-logo {
            font-family: var(--font-serif);
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--primary);
            letter-spacing: .5px;
            padding: 6px 14px;
            border-radius: var(--radius-btn);
            white-space: nowrap;
        }
        .site-logo:hover {
            color: var(--primary);
            background: rgba(11,77,59,.06);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-menu a:not(.btn-nav) {
            display: inline-block;
            padding: 8px 14px;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            position: relative;
            transition: color .25s, background .25s;
        }
        .nav-menu a:not(.btn-nav):hover {
            color: var(--primary);
            background: rgba(11,77,59,.06);
        }
        .nav-menu a:not(.btn-nav).active {
            color: var(--primary);
            font-weight: 700;
            background: rgba(11,77,59,.08);
        }
        .nav-menu a:not(.btn-nav).active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--accent);
        }
        .btn-nav {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 40px;
            padding: 0 22px;
            border-radius: var(--radius-btn);
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: .95rem;
            margin-left: 6px;
            transition: background .25s, transform .2s, box-shadow .25s;
            box-shadow: 0 4px 12px rgba(11,77,59,.18);
        }
        .btn-nav:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border);
            background: #fff;
            position: relative;
            z-index: 2;
        }
        .nav-toggle span,
        .nav-toggle span::before,
        .nav-toggle span::after {
            content: '';
            position: absolute;
            left: 50%;
            width: 18px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transform: translateX(-50%);
            transition: transform .3s ease, top .3s ease;
        }
        .nav-toggle span {
            top: 50%;
            transform: translate(-50%, -50%);
        }
        .nav-toggle span::before {
            top: -6px;
        }
        .nav-toggle span::after {
            top: 6px;
        }
        .nav-toggle.active span {
            background: transparent;
        }
        .nav-toggle.active span::before {
            top: 0;
            transform: translate(-50%, 0) rotate(45deg);
        }
        .nav-toggle.active span::after {
            top: 0;
            transform: translate(-50%, 0) rotate(-45deg);
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            background: linear-gradient(120deg, rgba(7,53,40,.92), rgba(7,53,40,.55) 70%, rgba(196,164,93,.15)),
                        url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 170px 0 90px;
            color: #fff;
            border-bottom: 4px solid var(--accent);
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,.12);
            border: 1px solid rgba(255,255,255,.2);
            border-radius: var(--radius-btn);
            padding: 6px 16px;
            font-size: .85rem;
            font-weight: 500;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-light);
            display: inline-block;
        }
        .hero h1 {
            font-size: clamp(2.25rem, 5vw, 3.5rem);
            font-weight: 800;
            max-width: 860px;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .hero-sub {
            font-size: 1.1rem;
            line-height: 1.8;
            max-width: 640px;
            color: rgba(255,255,255,.9);
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 60px;
        }
        .hero-metrics {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            max-width: 660px;
            border-top: 1px solid rgba(255,255,255,.2);
            padding-top: 28px;
        }
        .metric-item {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .metric-num {
            font-family: var(--font-serif);
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--accent-light);
            line-height: 1;
        }
        .metric-label {
            font-size: .85rem;
            color: rgba(255,255,255,.82);
            line-height: 1.4;
        }

        /* ========== 通用区块样式 ========== */
        .section {
            padding: var(--space) 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-top {
            max-width: 720px;
            margin-bottom: 48px;
        }
        .section-top.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-eyebrow {
            display: inline-block;
            font-size: .8rem;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 10px;
        }
        .section-top h2 {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            color: var(--primary-dark);
            margin-bottom: 12px;
        }
        .section-top p {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.8;
        }

        /* ========== 三步上手 ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            position: relative;
        }
        .step-card {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 36px 28px 32px;
            box-shadow: var(--shadow);
            position: relative;
            border-top: 2px solid transparent;
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }
        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-top-color: var(--primary);
        }
        .step-num {
            font-family: var(--font-serif);
            font-size: 3rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 8px;
            display: block;
        }
        .step-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(11,77,59,.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 20px;
            color: var(--primary);
        }
        .step-card h3 {
            font-size: 1.15rem;
            color: var(--primary-dark);
            margin-bottom: 10px;
        }
        .step-card p {
            font-size: .95rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .steps-grid .step-card:not(:last-child)::after {
            content: '→';
            position: absolute;
            right: -26px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.4rem;
            color: var(--accent);
            z-index: 2;
            background: var(--bg);
            border-radius: 50%;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 2px 8px rgba(196,164,93,.2);
        }
        .steps-cta {
            text-align: center;
            margin-top: 44px;
        }

        /* ========== 案例证明 ========== */
        .cases-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            grid-template-rows: auto auto;
            gap: 24px;
        }
        .case-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--surface);
            box-shadow: var(--shadow);
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .case-card img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .case-card:hover img {
            transform: scale(1.03);
        }
        .case-card .case-body {
            padding: 24px;
        }
        .case-large {
            grid-row: span 2;
        }
        .case-large img {
            aspect-ratio: 4/3;
        }
        .case-tag {
            display: inline-block;
            background: rgba(11,77,59,.08);
            color: var(--primary);
            font-size: .75rem;
            font-weight: 700;
            border-radius: var(--radius-btn);
            padding: 4px 12px;
            margin-bottom: 14px;
            letter-spacing: .5px;
        }
        .case-card h3 {
            font-size: 1.25rem;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }
        .case-card p {
            font-size: .9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .case-result {
            display: flex;
            align-items: baseline;
            gap: 8px;
            margin-top: 14px;
        }
        .case-result b {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            color: var(--accent);
            font-weight: 800;
        }
        .case-result span {
            font-size: .85rem;
            color: var(--text-muted);
        }

        /* ========== 最新资讯 (CMS) ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            align-items: stretch;
            gap: 20px;
            background: var(--surface);
            border-radius: var(--radius);
            padding: 20px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: box-shadow .3s ease, transform .3s ease;
        }
        .news-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .news-time {
            flex-shrink: 0;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-width: 72px;
            padding: 10px 4px;
            color: var(--primary);
        }
        .news-time .news-day {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 800;
            line-height: 1.2;
        }
        .news-time .news-month {
            font-size: .75rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 6px;
            flex-wrap: wrap;
        }
        .tag {
            display: inline-block;
            background: rgba(196,164,93,.14);
            color: #8a6d2f;
            font-size: .75rem;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 3px 10px;
            letter-spacing: .4px;
        }
        .news-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .news-title a {
            color: var(--text);
        }
        .news-title a:hover {
            color: var(--primary);
        }
        .news-excerpt {
            font-size: .9rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }
        .read-more {
            font-size: .85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .read-more:hover {
            color: var(--primary-light);
        }
        .read-more::after {
            content: '→';
            transition: transform .2s ease;
        }
        .read-more:hover::after {
            transform: translateX(3px);
        }
        .news-empty {
            border: 2px dashed var(--accent);
            background: rgba(255,255,255,.6);
            border-radius: var(--radius);
            padding: 60px 20px;
            text-align: center;
            color: var(--text-muted);
            font-size: .95rem;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 4px 24px;
            transition: border-color .3s ease, background .3s ease;
        }
        .faq-item[open] {
            border-color: var(--primary);
            background: var(--bg-alt);
        }
        .faq-item summary {
            cursor: pointer;
            font-weight: 600;
            font-size: 1.05rem;
            list-style: none;
            padding: 16px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            color: var(--text);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-family: var(--font-serif);
            font-size: 1.6rem;
            color: var(--accent);
            line-height: 1;
            transition: transform .3s ease;
        }
        .faq-item[open] summary::after {
            content: '−';
        }
        .faq-item p {
            padding-bottom: 20px;
            color: var(--text-muted);
            font-size: .95rem;
            line-height: 1.8;
        }

        /* ========== CTA + 表单 ========== */
        .cta-section {
            background: var(--primary);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light), var(--accent));
        }
        .cta-card {
            border: 1px solid rgba(196,164,93,.4);
            border-radius: 20px;
            padding: 48px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            background: rgba(255,255,255,.03);
        }
        .cta-text h2 {
            color: #fff;
            font-size: clamp(1.6rem, 3vw, 2.1rem);
            margin-bottom: 14px;
        }
        .cta-text p {
            color: rgba(255,255,255,.75);
            font-size: .95rem;
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .cta-points {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .cta-points li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255,255,255,.85);
            font-size: .92rem;
        }
        .cta-points li::before {
            content: '✓';
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(196,164,93,.25);
            color: var(--accent-light);
            font-size: .75rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .cta-form {
            background: #fff;
            border-radius: 16px;
            padding: 32px;
            box-shadow: 0 12px 40px rgba(0,0,0,.15);
        }
        .cta-form h3 {
            color: var(--primary-dark);
            font-size: 1.25rem;
            margin-bottom: 4px;
        }
        .cta-form .form-tip {
            font-size: .85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: .85rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-input);
            background: var(--bg);
            font-size: .95rem;
            transition: border-color .25s, box-shadow .25s, background .25s;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--accent);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(196,164,93,.2);
        }
        .form-group textarea {
            min-height: 90px;
            resize: vertical;
        }
        .form-submit {
            width: 100%;
        }
        .form-submit.loading {
            opacity: .7;
            pointer-events: none;
        }
        .form-note {
            font-size: .78rem;
            color: var(--text-muted);
            text-align: center;
            margin-top: 12px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #06291F;
            color: rgba(255,255,255,.7);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .site-logo {
            color: #fff;
            font-size: 1.2rem;
            padding: 0;
            margin-bottom: 12px;
            display: inline-block;
        }
        .footer-brand p {
            font-size: .88rem;
            line-height: 1.8;
            color: rgba(255,255,255,.55);
            max-width: 260px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 16px;
            font-weight: 700;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,.6);
            font-size: .88rem;
            transition: color .25s, padding-left .25s;
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .88rem;
            color: rgba(255,255,255,.6);
            margin-bottom: 10px;
        }
        .footer-contact li::before {
            content: '';
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.08);
            padding: 20px 0;
            text-align: center;
            font-size: .8rem;
            color: rgba(255,255,255,.4);
        }
        .footer-bottom a {
            color: rgba(255,255,255,.5);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            :root {
                --space: 4.5rem;
            }
            .site-nav {
                width: calc(100% - 24px);
                justify-content: space-between;
            }
            .nav-menu {
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                background: rgba(255,255,255,.98);
                border-radius: 20px;
                padding: 16px;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--border);
                opacity: 0;
                visibility: hidden;
                transform: translateY(-10px);
                transition: opacity .3s ease, transform .3s ease, visibility .3s;
            }
            .nav-menu.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }
            .nav-menu a:not(.btn-nav) {
                padding: 12px 16px;
                border-radius: 12px;
            }
            .btn-nav {
                margin: 6px 0 0;
                height: 44px;
            }
            .nav-toggle {
                display: block;
            }
            .hero {
                padding: 150px 0 70px;
            }
            .cases-grid {
                grid-template-columns: 1fr 1fr;
            }
            .case-large {
                grid-row: span 1;
                grid-column: span 2;
            }
            .cta-card {
                grid-template-columns: 1fr;
                padding: 40px 32px;
                gap: 36px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .hero-metrics {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid .step-card:not(:last-child)::after {
                display: none;
            }
            .cases-grid {
                grid-template-columns: 1fr;
            }
            .case-large {
                grid-column: span 1;
            }
            .news-item {
                flex-direction: column;
                gap: 12px;
            }
            .news-time {
                flex-direction: row;
                justify-content: flex-start;
                gap: 8px;
                min-width: 0;
                padding: 6px 12px;
            }
            .news-time .news-day {
                font-size: 1.1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 640px) {
            :root {
                --space: 3.5rem;
            }
            .container {
                padding: 0 16px;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero-sub {
                font-size: 1rem;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                width: 100%;
            }
            .cta-card {
                padding: 28px 20px;
            }
            .cta-form {
                padding: 24px 20px;
            }
            .section-top h2 {
                font-size: 1.5rem;
            }
            body {
                font-size: 0.95rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #0B4D3B;
            --color-primary-dark: #073528;
            --color-primary-light: #14634B;
            --color-gold: #C4A45D;
            --color-gold-light: rgba(196, 164, 93, .18);
            --color-bg: #F7F4EE;
            --color-card: #FFFFFF;
            --color-faq-bg: #F1ECE1;
            --color-text: #1E2A28;
            --color-text-secondary: #6A7873;
            --color-border: #E3DFD3;
            --color-success: #2F7E5B;
            --color-warning: #B5452C;
            --radius-card: 16px;
            --radius-btn: 999px;
            --radius-input: 12px;
            --radius-panel: 12px;
            --radius-img: 12px;
            --shadow-card: 0 2px 8px rgba(11, 77, 59, .06), 0 8px 24px rgba(11, 77, 59, .10);
            --shadow-card-hover: 0 8px 20px rgba(11, 77, 59, .12), 0 16px 48px rgba(11, 77, 59, .16);
            --container: 1200px;
            --space-section: 6rem;
            --font-serif: "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;
            --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

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

        /* ===== 悬浮胶囊导航 ===== */
        .site-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 999;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            width: auto;
            max-width: calc(100% - 32px);
            padding: 10px 18px;
            background: rgba(255, 255, 255, .82);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(11, 77, 59, .12);
            border-radius: 999px;
            box-shadow: 0 8px 32px rgba(11, 77, 59, .08);
        }

        .site-logo {
            font-family: var(--font-serif);
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--color-primary-dark);
            letter-spacing: .02em;
            white-space: nowrap;
        }

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

        .nav-menu {
            display: flex;
            align-items: center;
            gap: .25rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu li {
            margin: 0;
        }

        .nav-menu a {
            display: block;
            padding: .5rem .9rem;
            font-size: .92rem;
            font-weight: 500;
            color: var(--color-text);
            border-radius: 999px;
            transition: background .2s ease, color .2s ease;
            position: relative;
        }

        .nav-menu a:hover {
            color: var(--color-primary);
            background: var(--color-gold-light);
        }

        .nav-menu a.active {
            color: var(--color-primary-dark);
            font-weight: 700;
            background: var(--color-gold-light);
        }

        .nav-menu a.active::after {
            content: "";
            display: block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-gold);
            margin: 4px auto 0;
        }

        .nav-menu .btn-nav {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            padding: .55rem 1.3rem;
            border-radius: 999px;
            box-shadow: 0 4px 14px rgba(11, 77, 59, .18);
            transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
        }

        .nav-menu .btn-nav:hover {
            background: var(--color-primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(11, 77, 59, .22);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--color-primary);
            position: relative;
            cursor: pointer;
            z-index: 1002;
        }

        .nav-toggle span,
        .nav-toggle span::before,
        .nav-toggle span::after {
            content: "";
            position: absolute;
            left: 50%;
            width: 18px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transform: translateX(-50%);
            transition: all .3s ease;
        }

        .nav-toggle span {
            top: 50%;
            transform: translate(-50%, -50%);
        }

        .nav-toggle span::before {
            top: -6px;
            transform: translateX(-50%);
        }

        .nav-toggle span::after {
            top: 6px;
            transform: translateX(-50%);
        }

        /* ===== 通用按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            padding: .8rem 1.8rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: .95rem;
            cursor: pointer;
            transition: all .25s ease;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(11, 77, 59, .18);
        }

        .btn-primary:hover {
            background: var(--color-primary-light);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(11, 77, 59, .24);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border-color: rgba(11, 77, 59, .35);
        }

        .btn-outline:hover {
            background: rgba(11, 77, 59, .08);
            border-color: var(--color-primary);
        }

        .btn:active {
            transform: scale(.98);
        }

        .btn:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 3px;
        }

        /* ===== 页首页 ===== */
        .page-hero {
            background: linear-gradient(120deg, rgba(7, 53, 40, .92), rgba(7, 53, 40, .55) 70%, rgba(196, 164, 93, .18)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 9.5rem 0 4.5rem;
            color: #fff;
            border-bottom: 4px solid var(--color-gold);
        }

        .breadcrumb {
            font-size: .85rem;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 1.4rem;
            display: flex;
            flex-wrap: wrap;
            gap: .35rem;
            align-items: center;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .85);
        }

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

        .breadcrumb .sep {
            opacity: .6;
            margin: 0 .15rem;
        }

        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: clamp(2.25rem, 5vw, 3.4rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1.2rem;
            max-width: 720px;
        }

        .page-hero .lead {
            font-size: 1.05rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .9);
            max-width: 620px;
            margin-bottom: 0;
        }

        /* ===== 图文介绍 ===== */
        .intro-section {
            padding: var(--space-section) 0;
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3.5rem;
            align-items: center;
        }

        .intro-media {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            aspect-ratio: 4 / 3;
            position: relative;
        }

        .intro-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

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

        .intro-content h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.5rem, 3vw, 2.1rem);
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 1.2rem;
            color: var(--color-primary-dark);
        }

        .intro-content p {
            color: var(--color-text-secondary);
            font-size: .98rem;
            margin-bottom: 1.4rem;
        }

        .intro-list {
            list-style: none;
            padding: 0;
            margin: 0 0 1.6rem;
        }

        .intro-list li {
            position: relative;
            padding-left: 1.8rem;
            margin-bottom: .8rem;
            font-size: .95rem;
            color: var(--color-text);
        }

        .intro-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: .62em;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-gold);
            border: 2px solid rgba(196, 164, 93, .3);
        }

        .intro-link {
            font-weight: 600;
            font-size: .92rem;
            display: inline-flex;
            align-items: center;
            gap: .35rem;
            border-bottom: 2px solid var(--color-gold);
            padding-bottom: .2rem;
        }

        /* ===== 内容主线（交替条目） ===== */
        .topics-section {
            padding: 0 0 var(--space-section);
        }

        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 3.5rem;
        }

        .section-head h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.5rem, 3vw, 2.1rem);
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: .8rem;
            position: relative;
        }

        .section-head .section-sub {
            color: var(--color-text-secondary);
            font-size: .96rem;
            line-height: 1.75;
        }

        .topic-list {
            display: flex;
            flex-direction: column;
            gap: 2.5rem;
        }

        .topic-item {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 1.8rem;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(227, 223, 211, .6);
            transition: box-shadow .3s ease, transform .3s ease;
        }

        .topic-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .topic-item:nth-child(even) .topic-media {
            order: 2;
        }

        .topic-item:nth-child(even) .topic-body {
            order: 1;
        }

        .topic-media {
            border-radius: var(--radius-img);
            overflow: hidden;
            aspect-ratio: 16 / 10;
            position: relative;
        }

        .topic-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .topic-item:hover .topic-media img {
            transform: scale(1.04);
        }

        .topic-body {
            padding: .5rem 0;
        }

        .topic-num {
            font-family: var(--font-serif);
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1;
            color: transparent;
            -webkit-text-stroke: 1.5px var(--color-gold);
            margin-bottom: .9rem;
            display: block;
        }

        .topic-body h3 {
            font-family: var(--font-serif);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: .7rem;
        }

        .topic-body p {
            font-size: .94rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 1.1rem;
        }

        .topic-link {
            font-size: .88rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: .3rem;
            border-bottom: 2px solid transparent;
            transition: border-color .2s ease;
        }

        .topic-link:hover {
            border-bottom-color: var(--color-gold);
        }

        /* ===== 数据指标 ===== */
        .value-section {
            padding: 0 0 var(--space-section);
        }

        .value-band {
            background: var(--color-primary-dark);
            border-radius: var(--radius-card);
            padding: 3rem 2.5rem;
            display: flex;
            align-items: center;
            justify-content: space-around;
            gap: 2rem;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .value-band::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--color-gold), transparent 70%);
        }

        .value-item {
            text-align: center;
            color: #fff;
            min-width: 160px;
        }

        .value-item .value-num {
            font-family: var(--font-serif);
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            color: var(--color-gold);
            line-height: 1.1;
            display: block;
        }

        .value-item .value-label {
            font-size: .88rem;
            color: rgba(255, 255, 255, .8);
            margin-top: .5rem;
            letter-spacing: .04em;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 0 0 var(--space-section);
            background: transparent;
        }

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: .9rem;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-panel);
            padding: 1.25rem 1.5rem;
            transition: border-color .25s ease, background .25s ease;
        }

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

        .faq-item[open] {
            background: var(--color-faq-bg);
            border-color: rgba(196, 164, 93, .5);
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary-dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            user-select: none;
        }

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

        .faq-item summary::after {
            content: "+";
            font-size: 1.5rem;
            font-weight: 400;
            color: var(--color-gold);
            transition: transform .3s ease;
            line-height: 1;
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            content: "−";
            transform: rotate(180deg);
        }

        .faq-body {
            padding-top: .9rem;
            margin-top: .7rem;
            border-top: 1px solid rgba(196, 164, 93, .18);
            font-size: .94rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        /* ===== CTA 与表单 ===== */
        .cta-section {
            padding: 0 0 var(--space-section);
        }

        .cta-card {
            background: var(--color-primary);
            border: 1px solid rgba(196, 164, 93, .4);
            border-radius: 24px;
            padding: 3.5rem 3rem;
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 3rem;
            align-items: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 16px 48px rgba(7, 53, 40, .25);
        }

        .cta-card::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(196, 164, 93, .12) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-content h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            line-height: 1.3;
        }

        .cta-content p {
            color: rgba(255, 255, 255, .85);
            font-size: .95rem;
            line-height: 1.75;
            margin-bottom: 1.4rem;
            max-width: 460px;
        }

        .cta-content .cta-hint {
            font-size: .82rem;
            color: rgba(255, 255, 255, .6);
            display: flex;
            align-items: center;
            gap: .5rem;
        }

        .cta-content .cta-hint i {
            font-style: normal;
            color: var(--color-gold);
        }

        .cta-form {
            background: #fff;
            border-radius: 16px;
            padding: 2rem;
            box-shadow: 0 12px 32px rgba(0, 0, 0, .12);
        }

        .cta-form .form-group {
            margin-bottom: 1.1rem;
        }

        .cta-form label {
            display: block;
            font-size: .82rem;
            font-weight: 600;
            color: var(--color-primary-dark);
            margin-bottom: .4rem;
        }

        .cta-form input,
        .cta-form textarea {
            width: 100%;
            padding: .9rem 1rem;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-input);
            background: var(--color-bg);
            font-size: .92rem;
            color: var(--color-text);
            transition: border-color .2s ease, box-shadow .2s ease;
        }

        .cta-form input:focus,
        .cta-form textarea:focus {
            border-color: var(--color-gold);
            box-shadow: 0 0 0 4px rgba(196, 164, 93, .18);
        }

        .cta-form textarea {
            resize: vertical;
            min-height: 84px;
        }

        .cta-form .btn-submit {
            width: 100%;
            height: 48px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: .95rem;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: background .25s ease, transform .2s ease, box-shadow .25s ease;
        }

        .cta-form .btn-submit:hover {
            background: var(--color-primary-light);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(11, 77, 59, .25);
        }

        .cta-form .btn-submit:active {
            transform: scale(.98);
        }

        .cta-form .btn-submit:disabled {
            background: #9AA7A2;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #06291F;
            color: rgba(255, 255, 255, .8);
            padding-top: 4.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            padding-bottom: 3.5rem;
        }

        .footer-brand .site-logo {
            color: #fff;
            font-size: 1.25rem;
            display: inline-block;
            margin-bottom: 1rem;
        }

        .footer-brand p {
            font-size: .88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, .65);
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: .95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1.1rem;
            font-family: var(--font-serif);
        }

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

        .footer-col ul li {
            margin-bottom: .65rem;
            font-size: .88rem;
        }

        .footer-col ul a {
            color: rgba(255, 255, 255, .65);
            display: inline-block;
            transition: color .2s ease;
        }

        .footer-col ul a:hover {
            color: var(--color-gold);
            text-decoration: underline;
        }

        .footer-contact li {
            color: rgba(255, 255, 255, .65);
            font-size: .88rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 1.4rem 0;
            text-align: center;
            font-size: .82rem;
            color: rgba(255, 255, 255, .45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .5);
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .site-nav {
                width: 96%;
                padding: 8px 14px;
            }

            .site-logo {
                font-size: 1rem;
            }

            .nav-toggle {
                display: block;
            }

            .nav-menu {
                position: fixed;
                top: 72px;
                left: 50%;
                transform: translateX(-50%) scale(.96);
                flex-direction: column;
                align-items: stretch;
                gap: .3rem;
                width: 96%;
                max-width: 560px;
                background: rgba(255, 255, 255, .96);
                border-radius: 20px;
                padding: 1rem;
                box-shadow: 0 16px 48px rgba(11, 77, 59, .16);
                border: 1px solid var(--color-border);
                opacity: 0;
                visibility: hidden;
                pointer-events: none;
                transition: all .3s ease;
            }

            .nav-menu.open {
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                transform: translateX(-50%) scale(1);
            }

            .nav-menu a {
                padding: .75rem 1rem;
                font-size: .95rem;
                text-align: center;
            }

            .nav-menu .btn-nav {
                text-align: center;
            }

            .nav-menu a.active::after {
                margin: 4px auto 0;
            }

            .intro-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .topic-item {
                grid-template-columns: 1fr;
                gap: 1.4rem;
                padding: 1.4rem;
            }

            .topic-item:nth-child(even) .topic-media {
                order: 0;
            }

            .topic-item:nth-child(even) .topic-body {
                order: 0;
            }

            .cta-card {
                grid-template-columns: 1fr;
                padding: 2.5rem 1.8rem;
                gap: 2rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }

        @media (max-width: 640px) {
            :root {
                --space-section: 3.5rem;
            }

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

            .page-hero {
                padding: 8.5rem 0 3.5rem;
            }

            .page-hero h1 {
                font-size: clamp(1.9rem, 7vw, 2.4rem);
            }

            .page-hero .lead {
                font-size: .96rem;
            }

            .topic-item {
                padding: 1.2rem;
                gap: 1.1rem;
            }

            .topic-num {
                font-size: 2rem;
            }

            .value-band {
                padding: 2.2rem 1.2rem;
                flex-direction: column;
                gap: 1.4rem;
            }

            .faq-item {
                padding: 1rem 1.1rem;
            }

            .cta-card {
                padding: 2rem 1.2rem;
                border-radius: 18px;
            }

            .cta-form {
                padding: 1.4rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }

            .footer-brand p {
                max-width: 100%;
            }
        }

        @media (min-width: 641px) and (max-width: 1024px) {
            .topic-item {
                gap: 1.8rem;
            }
        }

/* roulang page: article */
:root {
    --primary: #0B4D3B;
    --primary-dark: #073528;
    --primary-light: #14634B;
    --accent: #C4A45D;
    --accent-soft: rgba(196, 164, 93, .15);
    --bg: #F7F4EE;
    --surface: #FFFFFF;
    --surface-muted: #F1ECE1;
    --text: #1E2A28;
    --text-muted: #6A7873;
    --border: #E3DFD3;
    --success: #2F7E5B;
    --warning: #B5452C;
    --radius-card: 16px;
    --radius-btn: 999px;
    --radius-input: 12px;
    --radius-panel: 12px;
    --shadow-card: 0 2px 8px rgba(11, 77, 59, .06), 0 8px 24px rgba(11, 77, 59, .10);
    --shadow-hover: 0 8px 20px rgba(11, 77, 59, .12), 0 16px 48px rgba(11, 77, 59, .16);
    --container: 1200px;
    --font-serif: 'Noto Serif SC', 'Songti SC', 'SimSun', Georgia, serif;
    --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    --header-h: 72px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    line-height: 1.3;
    color: var(--text);
    font-weight: 700;
}
a {
    color: var(--primary);
    text-decoration: none;
    transition: color .25s ease;
}
a:hover { color: var(--primary-light); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style-position: inside; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .75rem 1.75rem;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: .95rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all .25s ease;
    text-align: center;
    white-space: nowrap;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.btn-primary:hover {
    background: var(--primary-light);
    border-color: var(--primary-light);
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(11, 77, 59, .22);
}
.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline:hover {
    background: rgba(11, 77, 59, .08);
    border-color: var(--primary-light);
    transform: translateY(-1px);
}
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}
.btn:active, .tag:active, .related-card:active {
    transform: scale(.98);
}

/* 导航 */
.site-nav {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: calc(100% - 32px);
    max-width: 1100px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, .82);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(11, 77, 59, .12);
    border-radius: var(--radius-btn);
    box-shadow: 0 8px 32px rgba(11, 77, 59, .08);
}
.site-logo {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: .02em;
    white-space: nowrap;
}
.site-logo:hover { color: var(--primary-light); }
.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 0;
}
.nav-menu li { margin: 0; }
.nav-menu a {
    display: inline-block;
    padding: .6rem 1rem;
    border-radius: 999px;
    font-size: .92rem;
    font-weight: 500;
    color: var(--text);
    transition: all .25s ease;
    position: relative;
}
.nav-menu a:hover {
    color: var(--primary);
    background: rgba(11, 77, 59, .06);
}
.nav-menu a.active {
    color: var(--primary);
    font-weight: 600;
}
.nav-menu a.active::after {
    content: '';
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    margin: 4px auto 0;
}
.btn-nav {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    padding: 0 20px;
    border-radius: var(--radius-btn);
    background: var(--primary);
    color: #fff !important;
    font-weight: 600;
    font-size: .9rem;
    transition: all .25s;
    border: none;
}
.btn-nav:hover {
    background: var(--primary-light);
    box-shadow: 0 4px 16px rgba(11, 77, 59, .25);
    transform: translateY(-1px);
}
.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: none;
    background: transparent;
    border-radius: 50%;
    position: relative;
    z-index: 1001;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 22px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: all .3s ease;
}
.nav-toggle span { transform: translate(-50%, -50%); }
.nav-toggle span::before { transform: translateY(-7px); }
.nav-toggle span::after { transform: translateY(7px); }
.nav-toggle.active span { background: transparent; }
.nav-toggle.active span::before { transform: rotate(45deg); }
.nav-toggle.active span::after { transform: rotate(-45deg); }

/* 面包屑 */
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .4rem;
    font-size: .85rem;
    color: rgba(255, 255, 255, .8);
    margin-bottom: 1rem;
}
.breadcrumb a {
    color: rgba(255, 255, 255, .8);
    transition: color .25s;
}
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep {
    color: var(--accent);
    opacity: .7;
}

/* 文章 Hero */
.article-hero {
    position: relative;
    padding: 150px 0 70px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
.article-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(7, 53, 40, .92), rgba(7, 53, 40, .70) 70%, rgba(196, 164, 93, .20));
}
.article-hero-inner {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}
.hero-badge {
    display: inline-block;
    padding: .3rem 1rem;
    border-radius: 999px;
    background: rgba(196, 164, 93, .22);
    border: 1px solid rgba(196, 164, 93, .45);
    color: #D8C8A0;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    margin-bottom: .75rem;
}
.article-hero h1 {
    color: #fff;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    line-height: 1.3;
    margin: 0 0 1rem;
    text-shadow: 0 2px 12px rgba(0, 0, 0, .25);
}
.hero-sub {
    color: rgba(255, 255, 255, .88);
    font-size: 1.05rem;
    max-width: 640px;
    margin-top: .5rem;
}
.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.25rem;
    font-size: .85rem;
    color: rgba(255, 255, 255, .72);
}
.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
}
.article-meta .meta-icon {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 1.5px solid var(--accent);
    border-radius: 50%;
    position: relative;
}
.article-meta .meta-icon::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
}

/* 文章主体 */
.article-main {
    padding: 4rem 0 5rem;
}
.article-container {
    max-width: 820px;
}
.article-content {
    background: var(--surface);
    border-radius: var(--radius-card);
    padding: 3rem 3.5rem;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border);
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text);
    word-wrap: break-word;
}
.article-content h2 {
    font-size: 1.55rem;
    margin: 2.5rem 0 1rem;
    padding-bottom: .5rem;
    border-bottom: 1px solid var(--border);
    color: var(--primary-dark);
}
.article-content h3 {
    font-size: 1.25rem;
    margin: 2rem 0 .75rem;
    color: var(--primary-dark);
}
.article-content p {
    margin: 0 0 1.25rem;
}
.article-content ul,
.article-content ol {
    margin: 0 0 1.25rem 1.4rem;
    padding-left: .5rem;
}
.article-content li {
    margin-bottom: .4rem;
}
.article-content blockquote {
    border-left: 4px solid var(--accent);
    background: var(--surface-muted);
    padding: 1rem 1.5rem;
    border-radius: 0 var(--radius-panel) var(--radius-panel) 0;
    margin: 1.5rem 0;
    color: var(--text-muted);
    font-style: normal;
}
.article-content img {
    border-radius: 12px;
    margin: 1.5rem 0;
    box-shadow: var(--shadow-card);
}
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: .92rem;
}
.article-content th,
.article-content td {
    border: 1px solid var(--border);
    padding: .7rem 1rem;
    text-align: left;
}
.article-content th {
    background: var(--surface-muted);
    font-weight: 600;
    color: var(--primary-dark);
}
.article-content code {
    background: var(--surface-muted);
    border-radius: 4px;
    padding: .2em .4em;
    font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
    font-size: .9em;
}
.article-content pre {
    background: var(--primary-dark);
    color: #E8E4D8;
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    overflow-x: auto;
    margin: 1.5rem 0;
    line-height: 1.6;
}
.article-content pre code {
    background: transparent;
    padding: 0;
    color: inherit;
}

/* 标签区 */
.article-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .6rem;
    margin-top: 2.5rem;
    padding-top: 1.75rem;
    border-top: 1px solid var(--border);
}
.article-tags .tag-label {
    font-size: .85rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-right: .2rem;
}
.tag {
    display: inline-block;
    padding: .3rem .9rem;
    border-radius: 999px;
    background: var(--surface);
    border: 1px solid var(--border);
    font-size: .8rem;
    font-weight: 500;
    color: var(--primary);
    transition: all .25s ease;
}
.tag:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* 上下篇导航 */
.article-pager {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2.5rem;
}
.pager-prev,
.pager-next {
    display: flex;
    flex-direction: column;
    gap: .25rem;
    padding: 1.1rem 1.5rem;
    border-radius: var(--radius-panel);
    background: var(--surface);
    border: 1px solid var(--border);
    transition: all .3s ease;
}
.pager-prev:hover,
.pager-next:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
}
.pager-prev span,
.pager-next span {
    font-size: .78rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: .04em;
}
.pager-prev em,
.pager-next em {
    font-style: normal;
    font-weight: 600;
    font-size: .95rem;
    color: var(--text);
}
.pager-next { text-align: right; }

/* 相关推荐 */
.related-section {
    margin-top: 4rem;
}
.related-section h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    padding-left: .75rem;
    border-left: 4px solid var(--accent);
    color: var(--primary-dark);
}
.related-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 1.25rem;
}
.related-card {
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: all .3s ease;
    box-shadow: var(--shadow-card);
}
.related-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: rgba(11, 77, 59, .2);
}
.related-card img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    transition: transform .45s ease;
}
.related-card:hover img {
    transform: scale(1.03);
}
.related-info {
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: .35rem;
    flex: 1;
}
.related-cat {
    font-size: .75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: .08em;
}
.related-info h3 {
    font-size: 1.05rem;
    color: var(--text);
    margin: 0;
    transition: color .25s;
}
.related-card:hover .related-info h3 { color: var(--primary); }
.related-info p {
    font-size: .85rem;
    color: var(--text-muted);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-stack {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.related-card.mini {
    flex-direction: row;
    align-items: center;
}
.related-card.mini img {
    width: 130px;
    height: 100%;
    aspect-ratio: 16 / 10;
    flex-shrink: 0;
    align-self: stretch;
}
.related-card.mini .related-info {
    padding: .9rem 1rem;
}

/* 内容未找到 */
.not-found-box {
    background: var(--surface);
    border: 1px dashed var(--border);
    border-radius: var(--radius-card);
    padding: 4rem 2rem;
    text-align: center;
    box-shadow: var(--shadow-card);
}
.not-found-box h2 {
    font-size: 1.5rem;
    color: var(--primary-dark);
    margin-bottom: .75rem;
}
.not-found-box p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
}
.not-found-box .btn {
    margin: 0 .4rem .6rem;
}

/* 文章页 CTA */
.article-cta {
    padding: 3.5rem 0 5rem;
}
.cta-box {
    background: var(--primary);
    border: 1px solid rgba(196, 164, 93, .4);
    border-radius: 20px;
    padding: 2.5rem 3rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
    box-shadow: 0 16px 48px rgba(7, 53, 40, .25);
}
.cta-text h3 {
    color: #fff;
    font-size: 1.4rem;
    margin-bottom: .35rem;
}
.cta-text p {
    color: rgba(255, 255, 255, .78);
    font-size: .95rem;
}
.cta-actions {
    display: flex;
    gap: .8rem;
    flex-wrap: wrap;
}
.cta-actions .btn-outline {
    border-color: rgba(255, 255, 255, .6);
    color: #fff;
}
.cta-actions .btn-outline:hover {
    background: rgba(255, 255, 255, .1);
}
.cta-actions .btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--primary-dark);
}
.cta-actions .btn-primary:hover {
    background: #D8C494;
    border-color: #D8C494;
}

/* 页脚 */
.site-footer {
    background: #06291F;
    color: rgba(255, 255, 255, .7);
    padding: 4rem 0 0;
    margin-top: 2rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 3rem;
    padding-bottom: 3rem;
}
.footer-brand .site-logo {
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    display: inline-block;
}
.footer-brand p {
    font-size: .9rem;
    line-height: 1.7;
    max-width: 280px;
    margin-top: .75rem;
    color: rgba(255, 255, 255, .6);
}
.footer-col h4 {
    color: #fff;
    font-size: .95rem;
    font-weight: 600;
    margin-bottom: 1.1rem;
    letter-spacing: .03em;
}
.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-col li {
    margin-bottom: .6rem;
    font-size: .88rem;
}
.footer-col a {
    color: rgba(255, 255, 255, .65);
    transition: all .25s ease;
}
.footer-col a:hover {
    color: var(--accent);
    text-decoration: underline;
}
.footer-contact li {
    color: rgba(255, 255, 255, .65);
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .85rem;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding: 1.5rem 0;
    text-align: center;
    font-size: .82rem;
    color: rgba(255, 255, 255, .45);
}
.footer-bottom a {
    color: rgba(255, 255, 255, .55);
}
.footer-bottom a:hover {
    color: var(--accent);
}

/* 响应式 */
@media (max-width: 1024px) {
    .site-nav {
        max-width: 96%;
        padding: 8px 14px;
    }
    .nav-menu {
        position: fixed;
        top: 16px;
        right: 16px;
        left: 16px;
        background: rgba(255, 255, 255, .96);
        backdrop-filter: blur(20px);
        border-radius: 20px;
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
        gap: 4px;
        box-shadow: 0 8px 40px rgba(11, 77, 59, .12);
        border: 1px solid var(--border);
        transform: translateY(-140%);
        transition: transform .35s ease;
        opacity: 0;
        pointer-events: none;
        margin: 0;
    }
    .nav-menu.open {
        transform: translateY(0);
        background: rgba(255, 255, 255, .96);
        opacity: 1;
        pointer-events: auto;
        overflow-y: auto;
        max-height: calc(100vh - 80px);
    }
    .nav-menu a {
        padding: .8rem 1rem;
        border-radius: 12px;
        text-align: left;
        font-size: 1rem;
    }
    .nav-menu a.active::after { display: none; }
    .nav-menu a.active {
        background: rgba(11, 77, 59, .08);
    }
    .btn-nav {
        margin-top: 6px;
        height: 44px;
        width: 100%;
    }
    .nav-toggle { display: block; }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    .article-content {
        padding: 2rem 2rem;
    }
    .cta-box {
        padding: 2rem;
    }
}
@media (max-width: 768px) {
    .article-hero {
        padding: 130px 0 56px;
    }
    .article-hero-inner {
        padding: 0 16px;
    }
    .article-content {
        padding: 1.5rem 1.25rem;
        border-radius: 12px;
    }
    .related-grid {
        grid-template-columns: 1fr;
    }
    .related-card.mini {
        flex-direction: column;
    }
    .related-card.mini img {
        width: 100%;
    }
    .article-pager {
        grid-template-columns: 1fr;
    }
    .pager-next { text-align: left; }
    .cta-box {
        flex-direction: column;
        text-align: center;
    }
    .cta-actions {
        justify-content: center;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.75rem;
    }
    :root {
        --space-section: 3rem;
    }
}
@media (max-width: 520px) {
    .container {
        padding: 0 16px;
    }
    .site-nav {
        top: 10px;
        width: calc(100% - 20px);
        padding: 6px 12px;
    }
    .site-logo {
        font-size: 1rem;
    }
    .article-hero h1 {
        font-size: 1.5rem;
    }
    .article-content {
        padding: 1.25rem 1rem;
        font-size: .95rem;
    }
    .article-meta {
        flex-direction: column;
        gap: .5rem;
        align-items: flex-start;
    }
    .cta-box {
        padding: 1.5rem 1.25rem;
    }
    .related-info {
        padding: 1rem;
    }
    .footer-bottom {
        font-size: .75rem;
    }
}

/* roulang page: category2 */
:root {
            --primary: #0B4D3B;
            --primary-dark: #073528;
            --primary-light: #14634B;
            --gold: #C4A45D;
            --gold-soft: rgba(196, 164, 93, .12);
            --bg: #F7F4EE;
            --card-bg: #FFFFFF;
            --faq-bg: #F1ECE1;
            --text: #1E2A28;
            --text-secondary: #6A7873;
            --border: #E3DFD3;
            --success: #2F7E5B;
            --warning: #B5452C;
            --font-serif: "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif;
            --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --radius-card: 16px;
            --radius-btn: 999px;
            --radius-input: 12px;
            --radius-faq: 12px;
            --shadow-card: 0 2px 8px rgba(11, 77, 59, .06), 0 8px 24px rgba(11, 77, 59, .10);
            --shadow-hover: 0 8px 20px rgba(11, 77, 59, .12), 0 16px 48px rgba(11, 77, 59, .16);
            --nav-shadow: 0 8px 32px rgba(11, 77, 59, .08);
            --container: 1200px;
            --spacer-lg: 6rem;
            --spacer-md: 4rem;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

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

        .section {
            padding: var(--spacer-lg) 0;
        }

        .section-head {
            max-width: 680px;
            margin-bottom: 3rem;
        }

        .section-head h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 800;
            color: var(--text);
            margin-bottom: .5rem;
            line-height: 1.3;
        }

        .section-head p {
            color: var(--text-secondary);
            font-size: .95rem;
        }

        .section-tag {
            display: inline-block;
            font-size: .75rem;
            font-weight: 600;
            letter-spacing: .08em;
            color: var(--gold);
            background: var(--gold-soft);
            padding: .35rem .85rem;
            border-radius: 999px;
            margin-bottom: 1rem;
            border: 1px solid rgba(196, 164, 93, .25);
        }

        /* ===== Header / Nav ===== */
        .site-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 100;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            width: auto;
            max-width: calc(100% - 32px);
            background: rgba(255, 255, 255, .82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(11, 77, 59, .12);
            border-radius: 999px;
            box-shadow: var(--nav-shadow);
            padding: .55rem .8rem .55rem 1.4rem;
        }

        .site-logo {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: .01em;
        }

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

        .nav-menu {
            display: flex;
            align-items: center;
            gap: .2rem;
        }

        .nav-menu li a {
            display: block;
            padding: .5rem .8rem;
            font-size: .9rem;
            font-weight: 500;
            color: var(--text);
            border-radius: 999px;
            line-height: 1.4;
            transition: background .2s, color .2s;
        }

        .nav-menu li a:hover {
            color: var(--primary);
            background: rgba(11, 77, 59, .06);
        }

        .nav-menu li a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
        }

        .nav-menu li a.active:hover {
            color: #fff;
            background: var(--primary-light);
        }

        .btn-nav {
            display: inline-flex;
            align-items: center;
            height: 40px;
            padding: 0 1.4rem !important;
            background: var(--primary) !important;
            color: #fff !important;
            font-weight: 600;
            border-radius: 999px;
            margin-left: .25rem;
            transition: background .2s, transform .2s;
        }

        .btn-nav:hover {
            background: var(--primary-light) !important;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(11, 77, 59, .2);
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border: none;
            background: transparent;
            cursor: pointer;
            position: relative;
            border-radius: 50%;
        }

        .nav-toggle span,
        .nav-toggle span::before,
        .nav-toggle span::after {
            content: "";
            position: absolute;
            left: 10px;
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all .25s ease;
        }

        .nav-toggle span {
            top: 19px;
        }

        .nav-toggle span::before {
            top: -7px;
        }

        .nav-toggle span::after {
            top: 7px;
        }

        .nav-toggle[aria-expanded="true"] span {
            background: transparent;
        }

        .nav-toggle[aria-expanded="true"] span::before {
            top: 0;
            transform: rotate(45deg);
        }

        .nav-toggle[aria-expanded="true"] span::after {
            top: 0;
            transform: rotate(-45deg);
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            background: linear-gradient(120deg, rgba(7, 53, 40, .92), rgba(7, 53, 40, .62) 70%, rgba(196, 164, 93, .18)), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            padding: 11rem 0 5.5rem;
            color: #fff;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 4px;
            background: var(--gold);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: .4rem;
            font-size: .85rem;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 2.5rem;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .75);
            transition: color .2s;
        }

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

        .breadcrumb .sep {
            color: rgba(255, 255, 255, .4);
        }

        .breadcrumb .current {
            color: #fff;
            font-weight: 500;
        }

        .category-hero-content {
            max-width: 720px;
        }

        .category-hero-content h1 {
            font-family: var(--font-serif);
            font-size: clamp(2.25rem, 5vw, 3.25rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1.25rem;
            color: #fff;
        }

        .category-hero-content p {
            font-size: 1.05rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, .88);
            margin-bottom: 2rem;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .hero-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            margin-top: 3.5rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, .18);
        }

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

        .hero-metrics .metric-num {
            font-family: var(--font-serif);
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.2;
        }

        .hero-metrics .metric-label {
            font-size: .82rem;
            color: rgba(255, 255, 255, .72);
            margin-top: .2rem;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            padding: .8rem 1.7rem;
            border-radius: var(--radius-btn);
            font-size: .95rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            line-height: 1.4;
            transition: all .25s ease;
        }

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

        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(11, 77, 59, .22);
            color: #fff;
        }

        .btn-ghost {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .55);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, .12);
            border-color: rgba(255, 255, 255, .8);
            color: #fff;
        }

        .btn:active {
            transform: scale(.98);
        }

        /* ===== Intro split ===== */
        .intro-section {
            background: var(--bg);
        }

        .split-layout {
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 4rem;
            align-items: center;
        }

        .split-text h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.5rem, 3vw, 2.1rem);
            font-weight: 800;
            margin-bottom: 1rem;
            line-height: 1.35;
        }

        .split-text p {
            color: var(--text-secondary);
            margin-bottom: 1.25rem;
            line-height: 1.75;
        }

        .check-list {
            margin-top: 1.25rem;
            display: grid;
            gap: .7rem;
        }

        .check-list li {
            display: flex;
            align-items: center;
            gap: .6rem;
            font-size: .95rem;
            color: var(--text);
        }

        .check-list li::before {
            content: "";
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--gold-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%23C4A45D' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 10l3 3 5-6'/%3E%3C/svg%3E") center / 12px no-repeat;
            flex-shrink: 0;
        }

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

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

        .split-image::after {
            content: "";
            position: absolute;
            inset: 0;
            border: 1px solid rgba(196, 164, 93, .25);
            border-radius: var(--radius-card);
            pointer-events: none;
        }

        /* ===== Services ===== */
        .services-section {
            background: #fff;
        }

        .service-item {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            margin-bottom: 5rem;
        }

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

        .service-item.reverse .service-media {
            order: 2;
        }

        .service-item.reverse .service-content {
            order: 1;
        }

        .service-media {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .service-media img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            transition: transform .45s ease;
        }

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

        .service-content {
            padding: 0 .5rem;
        }

        .service-no {
            font-family: var(--font-serif);
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1;
            display: block;
            margin-bottom: .6rem;
        }

        .service-content h3 {
            font-family: var(--font-serif);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: .85rem;
            line-height: 1.35;
        }

        .service-content>p {
            color: var(--text-secondary);
            font-size: .95rem;
            line-height: 1.75;
            margin-bottom: 1.25rem;
        }

        .service-content ul {
            display: grid;
            gap: .5rem;
        }

        .service-content ul li {
            display: flex;
            align-items: center;
            gap: .5rem;
            font-size: .9rem;
            color: var(--text);
        }

        .service-content ul li::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gold);
            flex-shrink: 0;
        }

        /* ===== Process ===== */
        .process-section {
            background: var(--bg);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }

        .process-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 2rem 1.6rem;
            box-shadow: var(--shadow-card);
            border-top: 2px solid var(--primary);
            transition: transform .3s ease, box-shadow .3s ease;
            position: relative;
        }

        .process-card::after {
            content: "";
            position: absolute;
            top: 2.2rem;
            right: -1.4rem;
            width: 1rem;
            height: 1rem;
            border-top: 2px solid var(--gold);
            border-right: 2px solid var(--gold);
            transform: rotate(45deg);
            background: var(--bg);
            z-index: 2;
        }

        .process-card:last-child::after {
            display: none;
        }

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

        .process-num {
            font-family: var(--font-serif);
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1;
            display: block;
            margin-bottom: .8rem;
        }

        .process-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: .6rem;
        }

        .process-card p {
            font-size: .88rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        .process-cta {
            text-align: center;
            margin-top: 3rem;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--faq-bg);
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: grid;
            gap: 1rem;
        }

        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-faq);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: border-color .25s, box-shadow .25s;
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.25rem 1.5rem;
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            font-size: .98rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            transition: background .2s;
        }

        .faq-question:hover {
            background: rgba(11, 77, 59, .03);
        }

        .faq-icon {
            position: relative;
            width: 22px;
            height: 22px;
            flex-shrink: 0;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: var(--primary);
            border-radius: 2px;
            transition: all .25s ease;
        }

        .faq-icon::before {
            width: 14px;
            height: 2px;
        }

        .faq-icon::after {
            width: 2px;
            height: 14px;
        }

        .faq-item.active .faq-icon::after {
            transform: translate(-50%, -50%) rotate(90deg);
            opacity: 0;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .3s ease;
            padding: 0 1.5rem;
            font-size: .92rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .faq-item.active {
            background: var(--faq-bg);
            border-color: var(--primary);
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 1.5rem 1.4rem;
        }

        .faq-item.active .faq-question {
            color: var(--primary);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            padding: var(--spacer-lg) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            border: 1px solid rgba(196, 164, 93, .25);
        }

        .cta-section::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: 10%;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            border: 1px solid rgba(196, 164, 93, .18);
        }

        .cta-card {
            position: relative;
            z-index: 2;
            border: 1px solid rgba(196, 164, 93, .4);
            border-radius: 24px;
            padding: 3rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            background: rgba(255, 255, 255, .04);
        }

        .cta-content h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.35;
            margin-bottom: .8rem;
        }

        .cta-content p {
            color: rgba(255, 255, 255, .8);
            font-size: .95rem;
            line-height: 1.7;
        }

        .cta-form {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 2rem;
            display: grid;
            gap: 1rem;
            box-shadow: 0 12px 40px rgba(0, 0, 0, .18);
        }

        .cta-form .form-title {
            font-size: .9rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: .25rem;
        }

        .cta-form input,
        .cta-form select {
            width: 100%;
            padding: .85rem 1rem;
            border: 1px solid var(--border);
            border-radius: var(--radius-input);
            font-size: .92rem;
            color: var(--text);
            background: #fff;
            transition: border-color .2s, box-shadow .2s;
        }

        .cta-form input:focus,
        .cta-form select:focus {
            outline: none;
            border-color: var(--gold);
            box-shadow: 0 0 0 4px rgba(196, 164, 93, .18);
        }

        .cta-form select {
            cursor: pointer;
        }

        .cta-form .btn-submit {
            height: 48px;
            background: var(--primary);
            color: #fff;
            font-size: .98rem;
            font-weight: 600;
            border: none;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: background .2s, transform .2s, box-shadow .2s;
        }

        .cta-form .btn-submit:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(11, 77, 59, .2);
        }

        .cta-form .btn-submit:active {
            transform: scale(.98);
        }

        .form-note {
            font-size: .78rem;
            color: var(--text-secondary);
            text-align: center;
            line-height: 1.5;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #06291F;
            color: rgba(255, 255, 255, .78);
            padding: 4rem 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
        }

        .footer-brand .site-logo {
            color: #fff;
            font-size: 1.25rem;
            display: inline-block;
            margin-bottom: .8rem;
        }

        .footer-brand p {
            font-size: .88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, .65);
            max-width: 280px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: .95rem;
            font-weight: 700;
            margin-bottom: 1rem;
            letter-spacing: .02em;
        }

        .footer-col ul {
            display: grid;
            gap: .55rem;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, .65);
            font-size: .88rem;
            transition: color .2s;
        }

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

        .footer-contact li {
            font-size: .85rem;
            color: rgba(255, 255, 255, .6);
            line-height: 1.6;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 1.2rem 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: .5rem;
        }

        .footer-bottom p {
            font-size: .8rem;
            color: rgba(255, 255, 255, .5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .55);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .site-nav {
                width: 96%;
                top: 12px;
                padding-left: 1.1rem;
            }

            .nav-toggle {
                display: block;
            }

            .nav-menu {
                position: fixed;
                top: 68px;
                left: 50%;
                transform: translateX(-50%) scale(.96);
                width: 96%;
                background: rgba(255, 255, 255, .97);
                backdrop-filter: blur(14px);
                -webkit-backdrop-filter: blur(14px);
                border-radius: 24px;
                box-shadow: 0 16px 48px rgba(11, 77, 59, .16);
                flex-direction: column;
                align-items: stretch;
                padding: .8rem;
                gap: .2rem;
                opacity: 0;
                pointer-events: none;
                transition: all .25s ease;
            }

            .nav-menu.open {
                opacity: 1;
                pointer-events: auto;
                transform: translateX(-50%) scale(1);
            }

            .nav-menu li a {
                padding: .7rem 1rem;
                border-radius: 14px;
            }

            .nav-menu li a.active {
                color: #fff;
            }

            .btn-nav {
                margin-left: 0;
                margin-top: .4rem;
                justify-content: center;
                height: 44px;
            }

            .split-layout {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }

            .service-item {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .service-item.reverse .service-media,
            .service-item.reverse .service-content {
                order: 0;
            }

            .service-media img {
                max-height: 320px;
                width: 100%;
                object-fit: cover;
            }

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

            .process-card::after {
                display: none;
            }

            .cta-card {
                grid-template-columns: 1fr;
                gap: 2rem;
                padding: 2rem 1.8rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacer-lg: 3.5rem;
                --spacer-md: 2.5rem;
            }

            .category-hero {
                padding-top: 8.5rem;
                padding-bottom: 3.5rem;
            }

            .hero-metrics {
                gap: 1.5rem;
                margin-top: 2.5rem;
            }
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }

            .category-hero-content h1 {
                font-size: clamp(1.8rem, 2rem + 1vw, 2.4rem);
            }

            .category-hero-content p {
                font-size: .95rem;
            }

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

            .hero-actions .btn {
                justify-content: center;
            }

            .hero-metrics {
                flex-direction: column;
                gap: 1rem;
            }

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

            .service-item {
                gap: 1.5rem;
                margin-bottom: 3.5rem;
            }

            .service-content {
                padding: 0;
            }

            .service-no {
                font-size: 2.6rem;
            }

            .cta-card {
                padding: 1.6rem 1.2rem;
                border-radius: 20px;
            }

            .cta-form {
                padding: 1.4rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }

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

            .faq-question {
                font-size: .9rem;
                padding: 1.1rem 1.2rem;
            }

            .faq-answer {
                padding: 0 1.2rem;
                font-size: .88rem;
            }

            .faq-item.active .faq-answer {
                padding: 0 1.2rem 1.2rem;
            }
        }