/* roulang page: index */
/* ============ 设计变量 ============ */
        :root {
            --primary: #6C4A34;
            --primary-dark: #563A28;
            --primary-light: #8A6248;
            --secondary: #C9A87C;
            --secondary-light: #E8D9C5;
            --bg: #FAF8F4;
            --bg-deep: #2B241E;
            --bg-dark: #1E1B18;
            --text: #26211D;
            --text-secondary: #6E6258;
            --text-light: #EDE6DC;
            --border: rgba(38, 33, 29, 0.10);
            --border-light: rgba(255, 255, 255, 0.12);
            --radius: 18px;
            --radius-sm: 12px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 0 rgba(38, 33, 29, 0.08);
            --shadow-md: 0 12px 40px rgba(38, 33, 29, 0.06);
            --shadow-hover: 0 16px 50px rgba(38, 33, 29, 0.10);
            --transition: 0.25s ease;
            --container: 1200px;
            --article-container: 860px;
            --gap-section: 110px;
            --gap-section-mobile: 60px;
        }

        /* ============ Reset & Base ============ */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        ul, ol {
            list-style: none;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 32px;
        }
        .container-sm {
            max-width: var(--article-container);
            margin: 0 auto;
            padding: 0 24px;
        }
        section {
            position: relative;
        }

        /* ============ 焦点可见 ============ */
        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ============ 导航 ============ */
        .pre-header {
            background: var(--bg-deep);
            color: rgba(237, 230, 220, 0.8);
            font-size: 13px;
            line-height: 36px;
            letter-spacing: 0.04em;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .pre-header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .pre-header-text {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .pre-header-text i {
            color: var(--secondary);
            font-size: 12px;
        }
        .pre-header-links {
            display: flex;
            gap: 24px;
        }
        .pre-header-links a {
            color: rgba(237, 230, 220, 0.7);
            transition: var(--transition);
        }
        .pre-header-links a:hover {
            color: var(--secondary);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(250, 248, 244, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            background: rgba(250, 248, 244, 0.98);
            box-shadow: 0 4px 24px rgba(38, 33, 29, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }
        .logo {
            display: flex;
            align-items: baseline;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 26px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.02em;
        }
        .logo-sub {
            font-size: 13px;
            color: var(--text-secondary);
            letter-spacing: 0.06em;
            border-left: 1px solid var(--secondary);
            padding-left: 10px;
            line-height: 1.4;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 40px;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0.02em;
            padding: 8px 0;
            position: relative;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            transform: scaleX(0);
            transform-origin: right;
            transition: transform 0.3s ease;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link:hover::after {
            transform: scaleX(1);
            transform-origin: left;
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            transform: scaleX(1);
        }
        .header-cta {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-cta .btn {
            padding: 10px 24px;
        }
        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            border: 1px solid var(--border);
            background: transparent;
            color: var(--text);
            font-size: 20px;
            transition: var(--transition);
        }
        .hamburger:hover {
            background: rgba(108, 74, 52, 0.05);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: var(--bg);
            z-index: 999;
            padding: 96px 40px 40px;
            flex-direction: column;
            overflow-y: auto;
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav-link {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .mobile-nav-link.active {
            color: var(--primary);
        }
        .mobile-nav-link i {
            font-size: 18px;
            color: var(--text-secondary);
        }
        .mobile-nav-cta {
            margin-top: 32px;
            width: 100%;
            text-align: center;
        }
        .mobile-nav-close {
            position: absolute;
            top: 24px;
            right: 24px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text);
            background: var(--bg);
        }

        /* ============ 按钮 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: all 0.25s ease;
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(108, 74, 52, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(108, 74, 52, 0.30);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            background: transparent;
            border-color: rgba(108, 74, 52, 0.4);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: rgba(108, 74, 52, 0.06);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-outline-light {
            background: transparent;
            border-color: rgba(237, 230, 220, 0.4);
            color: var(--text-light);
        }
        .btn-outline-light:hover {
            background: rgba(237, 230, 220, 0.10);
            border-color: rgba(237, 230, 220, 0.8);
        }
        .btn-light {
            background: var(--text-light);
            color: var(--text);
        }
        .btn-light:hover {
            background: #F5EFE6;
            transform: translateY(-2px);
        }

        /* ============ Hero 首屏 ============ */
        .hero {
            padding: 80px 0 90px;
            background: linear-gradient(135deg, #FAF8F4 0%, #EFE7DB 100%);
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }
        .hero-content {
            padding: 20px 0;
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            background: rgba(108, 74, 52, 0.06);
            border: 1px solid rgba(108, 74, 52, 0.15);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 24px;
        }
        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.8rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--text);
            margin-bottom: 20px;
            letter-spacing: 0.01em;
        }
        .hero-title span {
            color: var(--primary);
        }
        .hero-desc {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-bottom: 36px;
            max-width: 540px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        .hero-actions .btn {
            min-width: 140px;
        }
        .hero-meta {
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
        }
        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .hero-meta-item i {
            color: var(--secondary);
            font-size: 16px;
        }
        .hero-meta-divider {
            width: 1px;
            height: 20px;
            background: var(--border);
        }
        .hero-media {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4/5;
        }
        .hero-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-media-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 24px;
            background: linear-gradient(to top, rgba(30, 27, 24, 0.85) 0%, transparent 100%);
            color: var(--text-light);
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
        }
        .hero-media-overlay .label {
            font-size: 14px;
            opacity: 0.8;
        }
        .hero-media-overlay .value {
            font-size: 16px;
            font-weight: 600;
        }

        /* ============ 板块通用 ============ */
        .section {
            padding: var(--gap-section) 0;
        }
        .section-header {
            margin-bottom: 48px;
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
        }
        .section-tag {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .section-tag::before {
            content: '';
            width: 24px;
            height: 1px;
            background: var(--primary);
            opacity: 0.6;
        }
        .section-title {
            font-size: clamp(1.6rem, 3.6vw, 2.5rem);
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-top: 12px;
            max-width: 640px;
        }
        .section-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .section-link:hover {
            gap: 12px;
            color: var(--primary-dark);
        }

        /* ============ 服务板块 ============ */
        .services {
            background: var(--bg);
        }
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .service-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px 32px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--secondary);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .service-card:hover::before {
            opacity: 1;
        }
        .service-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(108, 74, 52, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            font-size: 24px;
            color: var(--primary);
        }
        .service-card h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 12px;
        }
        .service-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .service-link {
            font-size: 14px;
            color: var(--primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .service-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* ============ 数据板块 ============ */
        .stats {
            background: var(--bg-deep);
            padding: 72px 0;
        }
        .stats-inner {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
        }
        .stats-item {
            text-align: center;
            padding: 24px 16px;
            border-left: 1px solid rgba(255, 255, 255, 0.08);
        }
        .stats-item:first-child {
            border-left: none;
        }
        .stats-number {
            font-size: clamp(2.4rem, 5vw, 3.6rem);
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.2;
            font-family: Georgia, "Times New Roman", serif;
        }
        .stats-label {
            font-size: 14px;
            color: rgba(237, 230, 220, 0.7);
            margin-top: 8px;
            letter-spacing: 0.04em;
        }
        .stats-note {
            margin-top: 4px;
            font-size: 12px;
            color: rgba(237, 230, 220, 0.4);
        }

        /* ============ 图集案例 ============ */
        .gallery-section {
            background: var(--bg);
        }
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            grid-template-rows: auto auto;
            gap: 24px;
        }
        .gallery-item {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            aspect-ratio: 4/3;
            cursor: pointer;
        }
        .gallery-item:first-child {
            grid-column: span 2;
            grid-row: span 2;
            aspect-ratio: auto;
        }
        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .gallery-item:hover img {
            transform: scale(1.05);
        }
        .gallery-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(to top, rgba(30, 27, 24, 0.7) 0%, transparent 100%);
            color: var(--text-light);
            opacity: 0;
            transform: translateY(10px);
            transition: all 0.3s ease;
        }
        .gallery-item:hover .gallery-overlay {
            opacity: 1;
            transform: translateY(0);
        }
        .gallery-overlay h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .gallery-overlay p {
            font-size: 13px;
            opacity: 0.8;
        }

        /* ============ 方案流程板块 ============ */
        .approach {
            background: #F0E9DF;
            background-image: url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
        }
        .approach::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: rgba(43, 36, 30, 0.85);
        }
        .approach .container {
            position: relative;
            z-index: 1;
        }
        .approach .section-title {
            color: var(--text-light);
        }
        .approach .section-subtitle {
            color: rgba(237, 230, 220, 0.75);
        }
        .approach .section-tag {
            color: var(--secondary);
        }
        .approach .section-tag::before {
            background: var(--secondary);
        }
        .approach-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            margin-top: 48px;
        }
        .approach-step {
            padding: 40px 32px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(4px);
            transition: var(--transition);
        }
        .approach-step:hover {
            background: rgba(255, 255, 255, 0.10);
            transform: translateY(-4px);
            border-color: rgba(201, 168, 124, 0.4);
        }
        .step-number {
            font-size: 48px;
            font-weight: 800;
            color: rgba(201, 168, 124, 0.35);
            font-family: Georgia, serif;
            line-height: 1;
            margin-bottom: 20px;
            display: block;
        }
        .approach-step h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 12px;
        }
        .approach-step p {
            font-size: 14px;
            color: rgba(237, 230, 220, 0.7);
            line-height: 1.8;
        }

        /* ============ 资讯列表 ============ */
        .news-section {
            background: var(--bg);
        }
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: flex;
            align-items: center;
            padding: 28px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
            gap: 24px;
        }
        .news-item:first-child {
            padding-top: 0;
        }
        .news-item:hover {
            padding-left: 8px;
        }
        .news-category {
            flex-shrink: 0;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            background: rgba(108, 74, 52, 0.10);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-content h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            transition: var(--transition);
        }
        .news-item:hover .news-content h3 {
            color: var(--primary);
        }
        .news-content p {
            font-size: 14px;
            color: var(--text-secondary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .news-date {
            font-size: 13px;
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .news-arrow {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--primary);
            flex-shrink: 0;
            transition: var(--transition);
        }
        .news-item:hover .news-arrow {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .news-empty {
            padding: 60px 0;
            text-align: center;
            color: var(--text-secondary);
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius);
        }
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
        }
        .sidebar-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
            position: relative;
        }
        .sidebar-card h3::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--primary);
        }
        .sidebar-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .sidebar-list a {
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .sidebar-list a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .sidebar-list a::before {
            content: '·';
            color: var(--secondary);
            font-size: 20px;
            font-weight: 700;
            line-height: 1;
        }
        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            background: rgba(108, 74, 52, 0.06);
            border: 1px solid rgba(108, 74, 52, 0.12);
            color: var(--primary);
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition);
        }
        .tag:hover {
            background: var(--primary);
            color: #fff;
        }
        .sidebar-cta {
            background: var(--bg-deep);
            border: none;
            color: var(--text-light);
            text-align: left;
            position: relative;
            overflow: hidden;
        }
        .sidebar-cta::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            background: rgba(201, 168, 124, 0.1);
            border-radius: 50%;
        }
        .sidebar-cta h3 {
            color: var(--text-light);
            border-color: rgba(255, 255, 255, 0.15);
        }
        .sidebar-cta h3::after {
            background: var(--secondary);
        }
        .sidebar-cta p {
            font-size: 14px;
            color: rgba(237, 230, 220, 0.7);
            margin-bottom: 20px;
            line-height: 1.8;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: #FFFFFF;
        }
        .faq-layout {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 60px;
            align-items: start;
        }
        .faq-left .section-subtitle {
            margin-bottom: 24px;
        }
        .faq-left .btn {
            margin-top: 8px;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg);
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(108, 74, 52, 0.3);
        }
        .faq-item.active {
            border-color: rgba(108, 74, 52, 0.4);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            background: transparent;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid rgba(108, 74, 52, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--primary);
            transition: all 0.3s ease;
            font-size: 12px;
        }
        .faq-item.active .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
        }

        /* ============ CTA 行动号召 ============ */
        .cta-section {
            background: var(--bg);
            padding: 80px 0;
        }
        .cta-box {
            background: linear-gradient(135deg, var(--bg-deep) 0%, #3A2E25 50%, var(--bg-deep) 100%);
            border-radius: 24px;
            padding: 80px 60px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            opacity: 0.12;
        }
        .cta-box > * {
            position: relative;
            z-index: 1;
        }
        .cta-title {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .cta-desc {
            font-size: 16px;
            color: rgba(237, 230, 220, 0.75);
            margin-bottom: 36px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-contact {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 40px;
            flex-wrap: wrap;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }
        .cta-contact span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: rgba(237, 230, 220, 0.7);
            font-size: 14px;
        }
        .cta-contact i {
            color: var(--secondary);
        }

        /* ============ 用户评价 / 口碑 ============ */
        .testimonials {
            background: var(--bg-deep);
            padding: 80px 0;
            color: var(--text-light);
        }
        .testimonials .section-tag {
            color: var(--secondary);
        }
        .testimonials .section-tag::before {
            background: var(--secondary);
        }
        .testimonials .section-title {
            color: var(--text-light);
        }
        .testimonials .section-subtitle {
            color: rgba(237, 230, 220, 0.7);
        }
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 48px;
        }
        .testimonial-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: var(--radius);
            padding: 32px;
            transition: var(--transition);
        }
        .testimonial-card:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-4px);
        }
        .testimonial-stars {
            color: var(--secondary);
            font-size: 14px;
            margin-bottom: 16px;
            letter-spacing: 4px;
        }
        .testimonial-text {
            font-size: 15px;
            line-height: 1.9;
            color: rgba(237, 230, 220, 0.85);
            margin-bottom: 24px;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            color: var(--text);
            font-size: 14px;
        }
        .testimonial-name {
            font-size: 14px;
            font-weight: 600;
        }
        .testimonial-role {
            font-size: 12px;
            color: rgba(237, 230, 220, 0.5);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(237, 230, 220, 0.65);
            padding: 72px 0 32px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr;
            gap: 60px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .logo-text {
            color: var(--text-light);
            font-size: 28px;
            margin-bottom: 16px;
            display: block;
        }
        .footer-brand .logo-sub {
            color: rgba(237, 230, 220, 0.6);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.9;
            margin-top: 16px;
            max-width: 320px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 1px;
            background: var(--secondary);
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(237, 230, 220, 0.6);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
        }
        .footer-contact-item i {
            color: var(--secondary);
            width: 16px;
        }
        .footer-bottom {
            padding-top: 32px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-copy {
            font-size: 13px;
            color: rgba(237, 230, 220, 0.4);
        }
        .footer-bottom-links {
            display: flex;
            gap: 24px;
        }
        .footer-bottom-links a {
            font-size: 13px;
            color: rgba(237, 230, 220, 0.4);
        }
        .footer-bottom-links a:hover {
            color: var(--secondary);
        }

        /* ============ 移动端浮动入口条 ============ */
        .mobile-bottom-nav {
            display: none;
        }

        /* ============ 滚动动画 ============ */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .gallery-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .gallery-item:first-child {
                grid-column: span 1;
                grid-row: span 1;
                aspect-ratio: 4/3;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                display: grid;
                grid-template-columns: repeat(3, 1fr);
            }
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .header-cta .btn {
                display: none;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 48px;
            }
            .hero-media {
                max-width: 560px;
            }
            .stats-inner {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-item {
                border-left: none;
            }
        }

        @media (max-width: 768px) {
            :root {
                --gap-section: 70px;
            }
            .container {
                padding: 0 20px;
            }
            .pre-header-links {
                display: none;
            }
            .pre-header .container {
                justify-content: center;
                text-align: center;
            }
            .header-inner {
                height: 64px;
            }
            .logo-text {
                font-size: 22px;
            }
            .logo-sub {
                font-size: 12px;
            }
            .hero {
                padding: 60px 0;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .stats-inner {
                grid-template-columns: repeat(4, 1fr);
                gap: 12px;
            }
            .stats-item {
                padding: 16px 8px;
            }
            .stats-number {
                font-size: 1.8rem;
            }
            .stats-label {
                font-size: 12px;
            }
            .gallery-grid {
                grid-template-columns: 1fr;
            }
            .gallery-item:first-child {
                aspect-ratio: 16/10;
            }
            .approach-grid {
                grid-template-columns: 1fr;
            }
            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .news-content h3 {
                white-space: normal;
            }
            .news-content p {
                white-space: normal;
                display: none;
            }
            .news-meta {
                width: 100%;
                justify-content: space-between;
            }
            .news-sidebar {
                grid-template-columns: 1fr;
            }
            .cta-box {
                padding: 48px 24px;
            }
            .cta-contact {
                flex-direction: column;
                gap: 16px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .stats-inner {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-item:nth-child(2) {
                border-left: 1px solid rgba(255, 255, 255, 0.08);
            }
            .faq-question {
                font-size: 15px;
                padding: 16px;
            }
            .faq-answer-inner {
                padding: 0 16px 16px;
            }
            .gallery-overlay {
                opacity: 1;
                transform: none;
            }
        }

/* roulang page: article */
:root {
    --color-primary: #6C4A34;
    --color-primary-dark: #543829;
    --color-primary-light: #8B6248;
    --color-secondary: #C9A87C;
    --color-accent: #B98A5A;
    --color-bg: #FAF8F4;
    --color-surface: #FFFFFF;
    --color-dark: #1E1B18;
    --color-dark-soft: #2B241E;
    --color-text: #26211D;
    --color-text-weak: #6E6258;
    --color-text-light: #EDE6DC;
    --color-border: rgba(38, 33, 29, 0.10);
    --color-border-light: rgba(255, 255, 255, 0.12);
    --radius-sm: 8px;
    --radius-card: 16px;
    --radius-lg: 20px;
    --radius-btn: 999px;
    --shadow-card: 0 2px 0 rgba(38, 33, 29, 0.06);
    --shadow-hover: 0 12px 40px rgba(38, 33, 29, 0.10);
    --container-max: 1200px;
    --container-narrow: 860px;
    --transition: 0.25s ease;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body.no-scroll {
    overflow: hidden;
}

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

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

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

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

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

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

/* ===== Pre-header ===== */
.pre-header {
    background: var(--color-dark);
    color: rgba(237, 230, 220, 0.75);
    font-size: 13px;
    letter-spacing: 0.02em;
    height: 36px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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

.pre-header i {
    margin-right: 6px;
    color: var(--color-secondary);
}

@media (max-width: 768px) {
    .pre-header .container span:last-child {
        display: none;
    }
}

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(250, 248, 244, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
    transition: box-shadow var(--transition);
}

.site-header.scrolled {
    box-shadow: 0 4px 24px rgba(38, 33, 29, 0.06);
}

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

.logo {
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-shrink: 0;
}

.logo-text {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: 0.01em;
    line-height: 1.2;
}

.logo-sub {
    font-size: 13px;
    color: var(--color-text-weak);
    letter-spacing: 0.04em;
    padding-left: 10px;
    border-left: 1px solid var(--color-border);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
    padding: 6px 2px;
    letter-spacing: 0.02em;
    transition: color var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

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

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

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

.header-cta {
    flex-shrink: 0;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    border-radius: 8px;
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: fixed;
        top: calc(var(--header-height) + 36px);
        left: 0;
        right: 0;
        background: var(--color-surface);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 16px 24px 24px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 20px 40px rgba(38, 33, 29, 0.12);
        z-index: 99;
    }

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

    .nav-link {
        padding: 16px 0;
        font-size: 17px;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-link::after {
        display: none;
    }

    .header-cta {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: var(--radius-btn);
    transition: all var(--transition);
    line-height: 1.4;
    letter-spacing: 0.02em;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-primary);
    color: #FDF9F4;
    box-shadow: 0 2px 8px rgba(108, 74, 52, 0.25);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(108, 74, 52, 0.30);
}

.btn-primary:active {
    transform: translateY(0px);
    box-shadow: 0 2px 8px rgba(108, 74, 52, 0.20);
}

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

.btn-secondary:hover {
    background: rgba(108, 74, 52, 0.08);
    transform: translateY(-2px);
}

.btn-secondary:active {
    transform: translateY(0px);
}

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

.btn-light:hover {
    background: #FFFFFF;
    transform: translateY(-2px);
}

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

.btn-block {
    width: 100%;
}

/* ===== Badge ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(108, 74, 52, 0.10);
    color: var(--color-primary);
    font-size: 13px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: var(--radius-btn);
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.badge-light {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-text-light);
}

/* ===== Article Hero ===== */
.article-hero {
    background: linear-gradient(135deg, rgba(30, 27, 24, 0.78) 0%, rgba(38, 33, 29, 0.55) 100%), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
    padding: 110px 0 84px;
    position: relative;
    color: var(--color-text-light);
    border-bottom: 4px solid var(--color-secondary);
}

.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    letter-spacing: 0.03em;
    color: rgba(237, 230, 220, 0.65);
    margin-bottom: 32px;
}

.breadcrumb a {
    color: rgba(237, 230, 220, 0.65);
    transition: color var(--transition);
}

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

.breadcrumb .sep {
    opacity: 0.4;
}

.breadcrumb .current {
    color: var(--color-secondary);
    max-width: 220px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.article-hero-title {
    font-size: clamp(1.8rem, 3.4vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.01em;
    margin-bottom: 20px;
    max-width: 780px;
    text-wrap: balance;
}

.article-hero-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 24px;
}

.meta-date {
    font-size: 14px;
    color: rgba(237, 230, 220, 0.7);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.meta-date i {
    font-size: 13px;
}

/* ===== Article Body ===== */
.article-body {
    padding: 72px 0 64px;
    background: var(--color-bg);
}

.article-content {
    font-size: 16px;
    line-height: 1.9;
    color: var(--color-text);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 48px 48px 32px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border);
}

.article-content > * + * {
    margin-top: 1.3em;
}

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

.article-content h2:first-child {
    margin-top: 0;
}

.article-content h3 {
    font-size: 21px;
    font-weight: 600;
    line-height: 1.45;
    color: var(--color-primary);
    margin-top: 36px;
}

.article-content h4 {
    font-size: 18px;
    font-weight: 600;
    margin-top: 28px;
}

.article-content p {
    margin: 20px 0;
    color: #33302C;
}

.article-content img {
    max-width: 100%;
    border-radius: 12px;
    margin: 32px auto;
    box-shadow: 0 8px 30px rgba(38, 33, 29, 0.08);
}

.article-content figure {
    margin: 32px 0;
}

.article-content figcaption {
    text-align: center;
    font-size: 13px;
    color: var(--color-text-weak);
    margin-top: 12px;
}

.article-content blockquote {
    border-left: 3px solid var(--color-primary);
    background: rgba(108, 74, 52, 0.05);
    padding: 20px 24px;
    border-radius: 0 12px 12px 0;
    color: var(--color-text-weak);
    font-style: italic;
    margin: 28px 0;
}

.article-content ul,
.article-content ol {
    padding-left: 28px;
    margin: 20px 0;
}

.article-content li {
    margin: 10px 0;
    padding-left: 4px;
}

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

.article-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(108, 74, 52, 0.3);
}

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

.article-content code {
    background: rgba(38, 33, 29, 0.06);
    border: 1px solid var(--color-border);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.9em;
    font-family: "SFMono-Regular", Consolas, monospace;
}

/* ===== Article Not Found ===== */
.article-not-found {
    text-align: center;
    padding: 80px 24px;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
}

.article-not-found i {
    font-size: 48px;
    color: var(--color-primary);
    opacity: 0.5;
    margin-bottom: 24px;
}

.article-not-found h2 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 12px;
}

.article-not-found p {
    color: var(--color-text-weak);
    margin-bottom: 32px;
    line-height: 1.8;
}

/* ===== Article Footer ===== */
.article-footer {
    padding: 48px 0 0;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 24px 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 32px;
}

.tags-label {
    font-size: 13px;
    color: var(--color-text-weak);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-right: 4px;
}

.article-back {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-weak);
    transition: color var(--transition), gap var(--transition);
}

.article-back:hover {
    color: var(--color-primary);
    gap: 14px;
}

/* ===== Related Section ===== */
.related-section {
    padding: 72px 0;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
}

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 40px;
}

.section-title {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.3;
}

.section-sub {
    font-size: 15px;
    color: var(--color-text-weak);
    margin-top: 8px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.related-card {
    background: var(--color-bg);
    border-radius: var(--radius-card);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: transform var(--transition), box-shadow var(--transition);
    display: flex;
    flex-direction: column;
}

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

.related-card-img {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

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

.related-card:hover .related-card-img img {
    transform: scale(1.04);
}

.related-card-body {
    padding: 20px 20px 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.related-card-body h3 {
    font-size: 17px;
    font-weight: 600;
    line-height: 1.5;
    color: var(--color-text);
    transition: color var(--transition);
    flex: 1;
}

.related-card:hover .related-card-body h3 {
    color: var(--color-primary);
}

.related-link {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap var(--transition);
}

.related-link i {
    font-size: 12px;
    transition: transform var(--transition);
}

.related-card:hover .related-link {
    gap: 10px;
}

.related-empty {
    text-align: center;
    color: var(--color-text-weak);
    padding: 60px 24px;
    font-size: 15px;
    background: var(--color-bg);
    border-radius: var(--radius-card);
    border: 1px dashed var(--color-border);
}

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

.cta-section::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 60%;
    height: 140%;
    background: radial-gradient(circle, rgba(201, 168, 124, 0.12) 0%, transparent 60%);
    pointer-events: none;
}

.cta-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 24px;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    line-height: 1.25;
    max-width: 680px;
}

.cta-text {
    font-size: 16px;
    color: rgba(237, 230, 220, 0.7);
    max-width: 540px;
    line-height: 1.8;
}

.cta-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 12px;
}

.cta-info {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    justify-content: center;
    margin-top: 12px;
    font-size: 14px;
    color: rgba(237, 230, 220, 0.6);
}

.cta-info i {
    color: var(--color-secondary);
    margin-right: 6px;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--color-dark-soft);
    color: rgba(237, 230, 220, 0.7);
    padding: 64px 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand p {
    margin-top: 16px;
    font-size: 14px;
    line-height: 1.8;
    max-width: 320px;
    color: rgba(237, 230, 220, 0.55);
}

.footer-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-light);
    margin-bottom: 20px;
    letter-spacing: 0.04em;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 14px;
    color: rgba(237, 230, 220, 0.55);
    transition: color var(--transition), padding-left var(--transition);
}

.footer-links a:hover {
    color: var(--color-secondary);
    padding-left: 6px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: rgba(237, 230, 220, 0.55);
}

.footer-contact-item i {
    width: 18px;
    text-align: center;
    color: var(--color-secondary);
    flex-shrink: 0;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    padding: 24px 0 32px;
}

.footer-copy {
    font-size: 13px;
    color: rgba(237, 230, 220, 0.4);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    font-size: 13px;
    color: rgba(237, 230, 220, 0.4);
    transition: color var(--transition);
}

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

/* ===== Back to top ===== */
.back-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #FFF;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(108, 74, 52, 0.35);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all 0.3s ease;
    z-index: 99;
    font-size: 16px;
}

.back-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-3px);
}

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

@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }

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

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

    .logo-text {
        font-size: 20px;
    }

    .logo-sub {
        font-size: 11px;
        padding-left: 8px;
    }

    .article-hero {
        padding: 64px 0 56px;
    }

    .article-hero-title {
        font-size: 1.6rem;
        line-height: 1.3;
    }

    .article-body {
        padding: 40px 0;
    }

    .article-content {
        padding: 28px 20px 20px;
        font-size: 15px;
        line-height: 1.8;
        border-radius: var(--radius-card);
    }

    .article-content h2 {
        font-size: 20px;
        margin-top: 36px;
    }

    .article-content h3 {
        font-size: 17px;
        margin-top: 28px;
    }

    .related-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .section-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        margin-bottom: 28px;
    }

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

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

    .cta-info {
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }

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

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

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

    .back-top {
        bottom: 16px;
        right: 16px;
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 520px) {
    .pre-header .container span:first-child {
        display: none;
    }

    .breadcrumb {
        font-size: 12px;
        gap: 6px;
    }

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

    .badge {
        font-size: 12px;
        padding: 3px 10px;
    }

    .meta-date {
        font-size: 13px;
    }
}