/* roulang page: index */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #4A7C6F;
            --color-primary-light: #5D8F82;
            --color-primary-dark: #2D4A3E;
            --color-secondary: #C9A96A;
            --color-secondary-light: #D9BC89;
            --color-bg: #FAF8F4;
            --color-surface: #FFFFFF;
            --color-surface-warm: #F7F3EC;
            --color-text: #2A2E2B;
            --color-text-secondary: #5A615C;
            --color-text-muted: #8A918A;
            --color-border: #E5DED4;
            --color-border-strong: #D5CCC0;
            --color-success: #4A7C6F;
            --color-error: #B5544A;
            --color-warning: #C9A96A;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(42, 46, 43, 0.06);
            --shadow-md: 0 8px 24px rgba(42, 46, 43, 0.1);
            --shadow-lg: 0 16px 48px rgba(42, 46, 43, 0.14);
            --shadow-hover: 0 12px 32px rgba(74, 124, 111, 0.18);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-2xl: 80px;
            --font-serif: 'Noto Serif SC', 'Songti SC', 'STSong', serif;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --header-height: 68px;
            --drawer-width: 340px;
        }

        /* ========== 基础 Reset ========== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

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

        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        ul, ol {
            list-style: none;
        }

        button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            background: none;
            transition: all var(--transition-fast);
        }

        input, select, textarea {
            font-family: var(--font-sans);
            font-size: 15px;
        }

        /* ========== 容器 ========== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* ========== 头部导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background-color: rgba(250, 248, 244, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 var(--spacing-md);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1360px;
            margin: 0 auto;
            gap: var(--spacing-sm);
        }

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

        .header-logo a {
            font-family: var(--font-serif);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }

        .header-logo a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .header-logo .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            flex-shrink: 0;
        }

        .header-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--color-primary);
            color: #fff;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: background-color var(--transition-fast), transform var(--transition-fast);
            text-decoration: none;
        }

        .header-cta-btn:hover {
            background-color: var(--color-primary-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }

        .hamburger-btn {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            background: transparent;
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
        }

        .hamburger-btn:hover {
            border-color: var(--color-primary);
            background-color: var(--color-surface-warm);
        }

        .hamburger-btn .bar {
            display: block;
            width: 20px;
            height: 2px;
            background-color: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .hamburger-btn.active .bar:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger-btn.active .bar:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }

        .hamburger-btn.active .bar:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* 侧滑抽屉 */
        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(42, 46, 43, 0.55);
            z-index: 1001;
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--transition-base), visibility var(--transition-base);
        }

        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        .drawer {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: var(--drawer-width);
            max-width: 85vw;
            background-color: var(--color-surface);
            z-index: 1002;
            transform: translateX(100%);
            transition: transform var(--transition-slow) cubic-bezier(0.22, 1, 0.36, 1);
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            box-shadow: -8px 0 32px rgba(42, 46, 43, 0.15);
        }

        .drawer.open {
            transform: translateX(0);
        }

        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md) var(--spacing-lg);
            border-bottom: 1px solid var(--color-border);
            flex-shrink: 0;
        }

        .drawer-header h2 {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin: 0;
        }

        .drawer-close {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-surface-warm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-text);
            border: none;
            transition: all var(--transition-fast);
        }

        .drawer-close:hover {
            background: var(--color-border);
            color: var(--color-primary-dark);
        }

        .drawer-nav {
            padding: var(--spacing-md) var(--spacing-lg);
            flex: 1;
        }

        .drawer-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .drawer-nav ul li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text);
            text-decoration: none;
            transition: all var(--transition-fast);
            position: relative;
        }

        .drawer-nav ul li a i {
            font-size: 18px;
            color: var(--color-primary);
            width: 24px;
            text-align: center;
        }

        .drawer-nav ul li a:hover {
            background-color: var(--color-surface-warm);
            color: var(--color-primary-dark);
            text-decoration: none;
            padding-left: 20px;
        }

        .drawer-nav ul li a.active {
            background-color: var(--color-primary);
            color: #fff;
        }

        .drawer-nav ul li a.active i {
            color: #fff;
        }

        .drawer-nav ul li a.active:hover {
            background-color: var(--color-primary-dark);
            color: #fff;
        }

        .drawer-footer {
            padding: var(--spacing-md) var(--spacing-lg);
            border-top: 1px solid var(--color-border);
            flex-shrink: 0;
        }

        .drawer-footer p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-xs);
        }

        .drawer-footer .drawer-phone {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            letter-spacing: 0.05em;
        }

        /* ========== 通用板块样式 ========== */
        .section-block {
            padding: var(--spacing-xl) 0;
            position: relative;
        }

        .section-block + .section-block {
            border-top: 1px solid var(--color-border);
        }

        .section-header {
            margin-bottom: var(--spacing-lg);
            max-width: 760px;
        }

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

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-primary);
            background-color: rgba(74, 124, 111, 0.1);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: var(--spacing-xs);
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            line-height: 1.4;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.01em;
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        /* ========== Hero 首屏 ========== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: calc(var(--header-height) + var(--spacing-xl)) 0 var(--spacing-xl);
            overflow: hidden;
            background-color: var(--color-primary-dark);
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            z-index: 1;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(45, 74, 62, 0.88) 0%, rgba(42, 46, 43, 0.65) 50%, rgba(74, 124, 111, 0.55) 100%);
            z-index: 2;
        }

        .hero-content {
            position: relative;
            z-index: 3;
            max-width: 720px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--color-secondary-light);
            background-color: rgba(201, 169, 106, 0.15);
            border: 1px solid rgba(201, 169, 106, 0.3);
            padding: 8px 18px;
            border-radius: 24px;
            margin-bottom: var(--spacing-md);
        }

        .hero-tag i {
            font-size: 14px;
        }

        .hero-title {
            font-family: var(--font-serif);
            font-size: 2.4rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.02em;
            text-shadow: 0 2px 12px rgba(42, 46, 43, 0.3);
        }

        .hero-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.9;
            margin-bottom: var(--spacing-lg);
            max-width: 600px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-lg);
        }

        .hero-primary-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--color-secondary);
            color: var(--color-primary-dark);
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .hero-primary-btn:hover {
            background-color: var(--color-secondary-light);
            color: var(--color-primary-dark);
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 169, 106, 0.4);
        }

        .hero-secondary-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.5);
            padding: 14px 24px;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .hero-secondary-btn:hover {
            background-color: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 255, 255, 0.8);
            color: #fff;
            text-decoration: none;
        }

        /* 倒计时 */
        .hero-countdown {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .countdown-item {
            background-color: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-md);
            padding: 12px 20px;
            min-width: 72px;
            text-align: center;
            transition: all var(--transition-fast);
        }

        .countdown-item:hover {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        .countdown-number {
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-secondary-light);
            line-height: 1.2;
        }

        .countdown-label {
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.8);
            letter-spacing: 0.06em;
            margin-top: 2px;
        }

        /* Hero 底部数据条 */
        .hero-data-row {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            margin-top: var(--spacing-md);
        }

        .hero-data-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.85rem;
        }

        .hero-data-item i {
            color: var(--color-secondary-light);
            font-size: 16px;
        }

        /* ========== 指标看板 ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .stat-card {
            background-color: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md) var(--spacing-md);
            text-align: center;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
            opacity: 0;
            transition: opacity var(--transition-fast);
        }

        .stat-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .stat-card:hover::before {
            opacity: 1;
        }

        .stat-number {
            font-family: var(--font-serif);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-unit {
            font-size: 0.85rem;
            color: var(--color-primary);
            font-weight: 600;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            letter-spacing: 0.04em;
            margin-top: 4px;
        }

        /* ========== 服务矩阵 ========== */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .service-card {
            background-color: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

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

        .service-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .service-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }

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

        .service-card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card-title {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: var(--spacing-xs);
            line-height: 1.4;
        }

        .service-card-desc {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: var(--spacing-sm);
            flex: 1;
        }

        .service-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .service-tag {
            font-size: 0.72rem;
            font-weight: 500;
            color: var(--color-primary);
            background-color: rgba(74, 124, 111, 0.08);
            padding: 4px 10px;
            border-radius: 14px;
            letter-spacing: 0.03em;
        }

        /* ========== 活动亮点 ========== */
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

        .highlight-card {
            background-color: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            display: flex;
            gap: var(--spacing-md);
            transition: all var(--transition-base);
            position: relative;
        }

        .highlight-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-secondary);
            transform: translateY(-2px);
        }

        .highlight-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            flex-shrink: 0;
        }

        .highlight-info h3 {
            font-family: var(--font-serif);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .highlight-info p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== 场景专题 ========== */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .topic-card {
            background-color: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

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

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

        .topic-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }

        .topic-card:hover .topic-card-img img {
            transform: scale(1.06);
        }

        .topic-card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .topic-card-title {
            font-family: var(--font-serif);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .topic-card-excerpt {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: var(--spacing-sm);
            flex: 1;
        }

        .topic-card-link {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            text-decoration: none;
        }

        .topic-card-link:hover {
            color: var(--color-primary-dark);
            text-decoration: none;
        }

        /* ========== 结果对比 ========== */
        .comparison-container {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: var(--spacing-md);
            align-items: stretch;
            max-width: 900px;
            margin: 0 auto;
        }

        .comparison-card {
            background-color: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }

        .comparison-card:hover {
            box-shadow: var(--shadow-md);
        }

        .comparison-card.before {
            background-color: var(--color-surface-warm);
        }

        .comparison-card.after {
            background-color: rgba(74, 124, 111, 0.06);
            border-color: var(--color-primary);
        }

        .comparison-label {
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .comparison-card.before .comparison-label {
            color: var(--color-text-muted);
        }

        .comparison-card.after .comparison-label {
            color: var(--color-primary);
        }

        .comparison-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .comparison-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        .comparison-list li i {
            font-size: 14px;
            flex-shrink: 0;
        }

        .comparison-card.before .comparison-list li i {
            color: var(--color-text-muted);
        }

        .comparison-card.after .comparison-list li i {
            color: var(--color-success);
        }

        .comparison-arrow {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--color-secondary);
            font-weight: 700;
        }

        /* ========== 里程碑 ========== */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding-left: 32px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 12px;
            width: 2px;
            background: linear-gradient(180deg, var(--color-primary), var(--color-secondary), var(--color-primary-light));
            border-radius: 1px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: var(--spacing-lg);
            padding-left: var(--spacing-md);
        }

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

        .timeline-dot {
            position: absolute;
            left: -26px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background-color: var(--color-primary);
            border: 3px solid var(--color-surface);
            box-shadow: 0 0 0 2px var(--color-primary);
        }

        .timeline-date {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-secondary);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 4px;
        }

        .timeline-title {
            font-family: var(--font-serif);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 4px;
        }

        .timeline-desc {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== 资讯列表 ========== */
        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-md);
        }

        .news-card {
            display: flex;
            gap: var(--spacing-md);
            background-color: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-sm);
            transition: all var(--transition-base);
            align-items: stretch;
        }

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

        .news-card-img {
            width: 160px;
            min-height: 120px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }

        .news-card-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .news-card-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 4px;
            transition: color var(--transition-fast);
        }

        .news-card a {
            text-decoration: none;
        }

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

        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-bottom: 4px;
        }

        .news-card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .news-card-excerpt {
            font-size: 0.83rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        .news-empty {
            background-color: var(--color-surface-warm);
            border: 1px dashed var(--color-border-strong);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            text-align: center;
            color: var(--color-text-muted);
        }

        .news-empty i {
            font-size: 3rem;
            color: var(--color-border-strong);
            margin-bottom: var(--spacing-sm);
        }

        .news-empty p {
            font-size: 0.9rem;
        }

        /* ========== 平台保障 ========== */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .guarantee-card {
            background-color: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            text-align: center;
            transition: all var(--transition-base);
        }

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

        .guarantee-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background-color: rgba(74, 124, 111, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            margin: 0 auto var(--spacing-sm);
            transition: all var(--transition-fast);
        }

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

        .guarantee-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 4px;
        }

        .guarantee-desc {
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ========== 快速解答 ========== */
        .quick-faq-list {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-xs);
            justify-content: center;
        }

        .quick-faq-tag {
            background-color: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 24px;
            padding: 10px 18px;
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
            cursor: default;
        }

        .quick-faq-tag:hover {
            border-color: var(--color-primary);
            background-color: rgba(74, 124, 111, 0.06);
            color: var(--color-primary-dark);
            transform: translateY(-1px);
        }

        .quick-faq-tag i {
            color: var(--color-secondary);
            font-size: 12px;
        }

        /* ========== FAQ 手风琴 ========== */
        .accordion-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .accordion-item {
            background-color: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .accordion-item:hover {
            border-color: var(--color-border-strong);
        }

        .accordion-item.active {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }

        .accordion-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            transition: background-color var(--transition-fast);
            gap: var(--spacing-sm);
            user-select: none;
            -webkit-user-select: none;
        }

        .accordion-header:hover {
            background-color: var(--color-surface-warm);
        }

        .accordion-question {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
            flex: 1;
        }

        .accordion-icon {
            font-size: 14px;
            color: var(--color-primary);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .accordion-item.active .accordion-icon {
            transform: rotate(180deg);
        }

        .accordion-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base) ease, padding var(--transition-base) ease;
            padding: 0 20px;
        }

        .accordion-item.active .accordion-body {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        .accordion-answer {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            padding-top: 4px;
            border-top: 1px solid var(--color-border);
        }

        /* ========== 用户评价 ========== */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .review-card {
            background-color: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            transition: all var(--transition-base);
        }

        .review-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-secondary);
            transform: translateY(-2px);
        }

        .review-stars {
            color: var(--color-secondary);
            font-size: 14px;
            margin-bottom: var(--spacing-xs);
            letter-spacing: 2px;
        }

        .review-text {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: var(--spacing-sm);
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .review-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 600;
            flex-shrink: 0;
        }

        .review-name {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-text);
        }

        .review-date {
            font-size: 0.75rem;
            color: var(--color-text-muted);
        }

        /* ========== 关于简介 ========== */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

        .about-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            height: 380px;
        }

        .about-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        .about-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(74, 124, 111, 0.2), rgba(45, 74, 62, 0.3));
            border-radius: var(--radius-lg);
        }

        .about-text h2 {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: var(--spacing-sm);
            line-height: 1.4;
        }

        .about-text p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.9;
            margin-bottom: var(--spacing-sm);
        }

        /* ========== 转化表单 ========== */
        .form-section {
            background-color: var(--color-primary-dark);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
        }

        .form-wrapper {
            max-width: 560px;
            margin: 0 auto;
        }

        .form-wrapper .section-title {
            color: #fff;
            text-align: center;
        }

        .form-wrapper .section-subtitle {
            color: rgba(255, 255, 255, 0.8);
            text-align: center;
            margin-bottom: var(--spacing-md);
        }

        .form-group {
            margin-bottom: var(--spacing-sm);
        }

        .form-label {
            display: block;
            font-size: 0.82rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 6px;
            letter-spacing: 0.03em;
        }

        .form-input,
        .form-select,
        .form-textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.25);
            background-color: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            -webkit-appearance: none;
            appearance: none;
        }

        .form-input::placeholder,
        .form-textarea::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .form-input:focus,
        .form-select:focus,
        .form-textarea:focus {
            border-color: var(--color-secondary);
            background-color: rgba(255, 255, 255, 0.15);
            outline: none;
            box-shadow: 0 0 0 3px rgba(201, 169, 106, 0.2);
        }

        .form-select {
            color: rgba(255, 255, 255, 0.8);
        }

        .form-select option {
            color: var(--color-text);
            background-color: var(--color-surface);
        }

        .form-textarea {
            min-height: 100px;
            resize: vertical;
        }

        .form-submit-btn {
            width: 100%;
            padding: 14px 28px;
            background-color: var(--color-secondary);
            color: var(--color-primary-dark);
            font-size: 0.95rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            border-radius: var(--radius-md);
            border: none;
            transition: all var(--transition-fast);
            margin-top: var(--spacing-xs);
        }

        .form-submit-btn:hover {
            background-color: var(--color-secondary-light);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(201, 169, 106, 0.35);
        }

        .form-submit-btn:active {
            transform: translateY(0);
        }

        .form-error {
            color: #f5c6c2;
            font-size: 0.78rem;
            margin-top: 4px;
            display: none;
        }

        .form-error.visible {
            display: block;
        }

        .form-success {
            background-color: rgba(74, 124, 111, 0.3);
            border: 1px solid var(--color-secondary);
            border-radius: var(--radius-md);
            padding: 14px 20px;
            color: #fff;
            text-align: center;
            font-size: 0.9rem;
            margin-top: var(--spacing-sm);
            display: none;
        }

        .form-success.visible {
            display: block;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background-color: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand .footer-logo {
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-xs);
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.7);
            max-width: 280px;
        }

        .footer-col h3 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.06em;
            margin-bottom: var(--spacing-sm);
            text-transform: uppercase;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            text-decoration: none;
            transition: all var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-secondary-light);
            text-decoration: none;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
        }

        .footer-bottom a:hover {
            color: var(--color-secondary-light);
            text-decoration: none;
        }

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

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

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

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

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

            .news-list {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }

            .about-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .about-image {
                height: 280px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
                --spacing-xl: 40px;
                --spacing-2xl: 56px;
            }

            .hero-section {
                min-height: auto;
                padding: calc(var(--header-height) + var(--spacing-lg)) 0 var(--spacing-lg);
            }

            .hero-title {
                font-size: 1.6rem;
            }

            .hero-desc {
                font-size: 0.9rem;
            }

            .hero-actions {
                flex-direction: column;
            }

            .hero-primary-btn,
            .hero-secondary-btn {
                width: 100%;
                justify-content: center;
            }

            .countdown-item {
                min-width: 60px;
                padding: 10px 14px;
            }

            .countdown-number {
                font-size: 1.3rem;
            }

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

            .section-title {
                font-size: 1.4rem;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }

            .stat-number {
                font-size: 1.6rem;
            }

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

            .service-card-img {
                height: 160px;
            }

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

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

            .topic-card-img {
                height: 180px;
            }

            .comparison-container {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }

            .comparison-arrow {
                transform: rotate(90deg);
                font-size: 1.5rem;
            }

            .guarantee-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }

            .review-card {
                padding: var(--spacing-sm);
            }

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

            .news-card {
                flex-direction: column;
            }

            .news-card-img {
                width: 100%;
                height: 160px;
                min-height: auto;
            }

            .form-section {
                padding: var(--spacing-md);
                border-radius: var(--radius-md);
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

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

            .drawer {
                width: 85vw;
            }

            .header-cta-btn {
                padding: 8px 14px;
                font-size: 0.8rem;
            }

            .header-logo a {
                font-size: 0.95rem;
            }

            .header-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 13px;
            }
        }

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

            .hero-title {
                font-size: 1.35rem;
            }

            .hero-desc {
                font-size: 0.85rem;
                line-height: 1.7;
            }

            .section-title {
                font-size: 1.2rem;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .stat-card {
                padding: var(--spacing-sm);
            }

            .stat-number {
                font-size: 1.3rem;
            }

            .stat-label {
                font-size: 0.72rem;
            }

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

            .guarantee-card {
                padding: var(--spacing-sm);
            }

            .guarantee-icon {
                width: 40px;
                height: 40px;
                font-size: 16px;
                margin-bottom: 8px;
            }

            .quick-faq-tag {
                font-size: 0.75rem;
                padding: 8px 14px;
            }

            .accordion-header {
                padding: 12px 16px;
            }

            .accordion-question {
                font-size: 0.85rem;
            }

            .form-label {
                font-size: 0.78rem;
            }

            .form-input,
            .form-select,
            .form-textarea {
                padding: 10px 14px;
                font-size: 0.85rem;
            }

            .review-card {
                padding: var(--spacing-sm);
            }

            .topic-card-body {
                padding: var(--spacing-sm);
            }

            .about-image {
                height: 200px;
            }

            .highlight-card {
                padding: var(--spacing-sm);
                gap: var(--spacing-xs);
            }

            .highlight-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }

            .news-card-title {
                font-size: 0.85rem;
            }

            .news-card-excerpt {
                font-size: 0.78rem;
            }

            .hero-data-row {
                flex-wrap: wrap;
                gap: var(--spacing-xs);
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #4A7C6F;
            --color-primary-light: #5D8F82;
            --color-primary-dark: #2D4A3E;
            --color-secondary: #C9A96A;
            --color-secondary-light: #D9BC89;
            --color-bg: #FAF8F4;
            --color-surface: #FFFFFF;
            --color-surface-warm: #F7F3EC;
            --color-text: #2A2E2B;
            --color-text-secondary: #5A615C;
            --color-text-muted: #8A918A;
            --color-border: #E5DED4;
            --color-border-strong: #D5CCC0;
            --color-success: #4A7C6F;
            --color-error: #B5544A;
            --color-warning: #C9A96A;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(42, 46, 43, 0.06);
            --shadow-md: 0 8px 24px rgba(42, 46, 43, 0.1);
            --shadow-lg: 0 16px 48px rgba(42, 46, 43, 0.14);
            --shadow-hover: 0 12px 32px rgba(74, 124, 111, 0.18);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-2xl: 80px;
            --font-serif: 'Noto Serif SC', 'Songti SC', 'STSong', serif;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --header-height: 68px;
            --drawer-width: 340px;
        }

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

        html {
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            padding-top: var(--header-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

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

        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            background: none;
            transition: all var(--transition-fast);
        }

        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 15px;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-serif);
            color: var(--color-text);
            line-height: 1.4;
            margin: 0 0 var(--spacing-sm);
            font-weight: 700;
        }

        h1 {
            font-size: 2rem;
            font-weight: 900;
        }

        h2 {
            font-size: 1.6rem;
            font-weight: 700;
        }

        h3 {
            font-size: 1.25rem;
            font-weight: 700;
        }

        p {
            margin: 0 0 var(--spacing-sm);
            color: var(--color-text-secondary);
        }

        ul, ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* ========== 头部导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background-color: rgba(250, 248, 244, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            padding: 0 var(--spacing-md);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1360px;
            margin: 0 auto;
            gap: var(--spacing-sm);
        }

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

        .header-logo a {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }

        .header-logo a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .header-logo .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-shrink: 0;
        }

        .header-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--color-primary);
            color: #fff;
            padding: 10px 18px;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 500;
            text-decoration: none;
            white-space: nowrap;
            transition: background-color var(--transition-fast), transform var(--transition-fast);
        }

        .header-cta-btn:hover {
            background-color: var(--color-primary-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }

        .menu-toggle {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-md);
            background: none;
            border: 1px solid var(--color-border);
            transition: background-color var(--transition-fast), border-color var(--transition-fast);
        }

        .menu-toggle:hover {
            background-color: var(--color-surface-warm);
            border-color: var(--color-primary);
        }

        .menu-toggle .bar {
            display: block;
            width: 20px;
            height: 2px;
            background-color: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

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

        .menu-toggle.active .bar:nth-child(2) {
            opacity: 0;
        }

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

        /* ========== 侧滑抽屉导航 ========== */
        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(42, 46, 43, 0.5);
            z-index: 1100;
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--transition-base), visibility var(--transition-base);
        }

        .drawer-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .drawer-panel {
            position: fixed;
            top: 0;
            right: 0;
            width: var(--drawer-width);
            max-width: 85%;
            height: 100vh;
            background-color: var(--color-surface);
            z-index: 1200;
            transform: translateX(100%);
            transition: transform var(--transition-base);
            overflow-y: auto;
            box-shadow: var(--shadow-lg);
            padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
        }

        .drawer-panel.active {
            transform: translateX(0);
        }

        .drawer-close {
            position: absolute;
            top: var(--spacing-sm);
            right: var(--spacing-sm);
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            background: none;
            font-size: 18px;
            color: var(--color-text);
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .drawer-close:hover {
            background-color: var(--color-surface-warm);
            color: var(--color-primary);
        }

        .drawer-brand {
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: var(--spacing-lg);
            padding-right: 50px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .drawer-brand .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            flex-shrink: 0;
        }

        .drawer-nav ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }

        .drawer-nav ul li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            text-decoration: none;
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .drawer-nav ul li a i {
            width: 22px;
            text-align: center;
            color: var(--color-primary);
            font-size: 16px;
            flex-shrink: 0;
        }

        .drawer-nav ul li a:hover {
            background-color: var(--color-surface-warm);
            color: var(--color-primary-dark);
            text-decoration: none;
        }

        .drawer-nav ul li a.active {
            background-color: var(--color-primary);
            color: #fff;
        }

        .drawer-nav ul li a.active i {
            color: #fff;
        }

        .drawer-nav ul li a.active:hover {
            background-color: var(--color-primary-dark);
            color: #fff;
        }

        .drawer-footer {
            margin-top: var(--spacing-lg);
            padding-top: var(--spacing-md);
            border-top: 1px solid var(--color-border);
        }

        .drawer-footer p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 4px;
        }

        /* ========== 分类页头 Banner ========== */
        .category-banner {
            position: relative;
            background-image: linear-gradient(120deg, rgba(45, 74, 62, 0.88) 0%, rgba(74, 124, 111, 0.78) 60%, rgba(201, 169, 106, 0.55) 100%), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: var(--spacing-xl) 0;
            min-height: 320px;
            display: flex;
            align-items: center;
            color: #fff;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        }

        .category-banner-inner {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            max-width: 760px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            margin-bottom: var(--spacing-xs);
            color: rgba(255, 255, 255, 0.8);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-secondary-light);
            text-decoration: underline;
        }

        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--color-secondary-light);
            font-weight: 500;
        }

        .category-banner h1 {
            color: #fff;
            font-size: 2.2rem;
            font-weight: 900;
            margin-bottom: var(--spacing-xs);
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
        }

        .category-banner .banner-sub {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 0;
            max-width: 600px;
        }

        .banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: var(--spacing-xs);
        }

        .banner-tag {
            display: inline-block;
            padding: 5px 14px;
            background-color: rgba(255, 255, 255, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 20px;
            font-size: 0.8rem;
            color: #fff;
            letter-spacing: 0.03em;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }

        /* ========== 分类介绍 ========== */
        .category-intro {
            padding: var(--spacing-lg) 0;
            background-color: var(--color-surface-warm);
            border-radius: var(--radius-lg);
            margin: var(--spacing-lg) auto 0;
        }

        .category-intro .container {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .category-intro .intro-title {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .category-intro .intro-title i {
            color: var(--color-primary);
            font-size: 1.3rem;
        }

        .category-intro .intro-title h2 {
            margin-bottom: 0;
            font-size: 1.35rem;
        }

        .category-intro p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 0;
            max-width: 800px;
        }

        /* ========== 服务卡片主体 ========== */
        .service-matrix {
            padding: var(--spacing-xl) 0;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: var(--spacing-lg);
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .section-header .section-title-block h2 {
            margin-bottom: 4px;
        }

        .section-header .section-title-block p {
            margin-bottom: 0;
            font-size: 0.9rem;
            color: var(--color-text-muted);
        }

        .section-header .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background-color: var(--color-surface-warm);
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--color-primary);
            font-weight: 500;
            white-space: nowrap;
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

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

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

        .service-card .card-image {
            position: relative;
            overflow: hidden;
            height: 200px;
            flex-shrink: 0;
        }

        .service-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }

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

        .service-card .card-body {
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
            flex: 1;
        }

        .service-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 2px;
        }

        .service-card .card-tag {
            display: inline-block;
            padding: 3px 10px;
            background-color: var(--color-surface-warm);
            color: var(--color-primary);
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 500;
        }

        .service-card .card-body h3 {
            font-size: 1.1rem;
            margin-bottom: 4px;
            line-height: 1.45;
        }

        .service-card .card-body h3 a {
            color: var(--color-text);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .service-card .card-body h3 a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .service-card .card-body p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            margin-bottom: var(--spacing-xs);
            flex: 1;
            line-height: 1.65;
        }

        .service-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--color-primary);
            font-weight: 500;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .service-card .card-link:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }

        /* ========== 相关场景横向卡 ========== */
        .scene-scroll {
            padding: var(--spacing-xl) 0;
            background-color: var(--color-primary-dark);
            border-radius: var(--radius-lg);
        }

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

        .scene-scroll .section-header p {
            color: rgba(255, 255, 255, 0.7);
        }

        .scene-scroll .section-badge {
            background-color: rgba(255, 255, 255, 0.12);
            color: var(--color-secondary-light);
        }

        .scene-scroll-track {
            display: flex;
            gap: var(--spacing-md);
            overflow-x: auto;
            padding: var(--spacing-xs) var(--spacing-xs) var(--spacing-sm);
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.25) transparent;
        }

        .scene-scroll-track::-webkit-scrollbar {
            height: 5px;
        }

        .scene-scroll-track::-webkit-scrollbar-track {
            background: transparent;
        }

        .scene-scroll-track::-webkit-scrollbar-thumb {
            background-color: rgba(255, 255, 255, 0.25);
            border-radius: 10px;
        }

        .scene-card {
            min-width: 280px;
            max-width: 300px;
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            overflow: hidden;
            scroll-snap-align: start;
            transition: background-color var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
            flex-shrink: 0;
        }

        .scene-card:hover {
            background-color: rgba(255, 255, 255, 0.14);
            border-color: var(--color-secondary);
            transform: translateY(-3px);
        }

        .scene-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: 0;
        }

        .scene-card .scene-body {
            padding: var(--spacing-sm) var(--spacing-md);
        }

        .scene-card .scene-body h3 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 4px;
            line-height: 1.45;
        }

        .scene-card .scene-body p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.78rem;
            margin-bottom: 0;
        }

        .scene-card a {
            color: inherit;
            text-decoration: none;
        }

        .scene-card a:hover {
            text-decoration: none;
        }

        /* ========== 数据指标条 ========== */
        .metrics-bar {
            padding: var(--spacing-lg) 0;
            margin: var(--spacing-lg) auto 0;
        }

        .metrics-inner {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            background-color: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-md);
            box-shadow: var(--shadow-sm);
        }

        .metric-item {
            text-align: center;
            padding: var(--spacing-xs);
            border-right: 1px solid var(--color-border);
        }

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

        .metric-item .metric-icon {
            font-size: 1.5rem;
            color: var(--color-primary);
            margin-bottom: var(--spacing-xs);
        }

        .metric-item .metric-value {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--color-primary-dark);
            margin-bottom: 2px;
            line-height: 1.3;
        }

        .metric-item .metric-label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--spacing-xl) 0;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }

        .faq-item {
            background-color: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

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

        .faq-item.active {
            border-color: var(--color-primary-light);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            padding: var(--spacing-sm) var(--spacing-md);
            cursor: pointer;
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            font-family: var(--font-sans);
            transition: color var(--transition-fast);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: var(--color-surface-warm);
            color: var(--color-primary);
            font-size: 14px;
            transition: transform var(--transition-fast), background-color var(--transition-fast);
        }

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

        .faq-answer {
            padding: 0 var(--spacing-md) var(--spacing-sm);
            display: none;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        .faq-answer p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ========== 最新信息 CMS 列表 ========== */
        .latest-section {
            padding: var(--spacing-xl) 0;
            background-color: var(--color-surface-warm);
            border-radius: var(--radius-lg);
        }

        .latest-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

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

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

        .latest-card .latest-image {
            height: 170px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .latest-card .latest-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }

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

        .latest-card .latest-body {
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
            flex: 1;
        }

        .latest-card .latest-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        .latest-card .latest-meta .latest-tag {
            display: inline-block;
            padding: 3px 10px;
            background-color: var(--color-surface-warm);
            color: var(--color-primary);
            border-radius: 4px;
            font-size: 0.72rem;
            font-weight: 500;
        }

        .latest-card .latest-body h3 {
            font-size: 1rem;
            margin-bottom: 2px;
            line-height: 1.5;
        }

        .latest-card .latest-body h3 a {
            color: var(--color-text);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .latest-card .latest-body h3 a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .latest-card .latest-body p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin-bottom: 0;
            line-height: 1.65;
            flex: 1;
        }

        .latest-empty {
            text-align: center;
            padding: var(--spacing-xl) var(--spacing-md);
            background-color: var(--color-surface);
            border: 1px dashed var(--color-border-strong);
            border-radius: var(--radius-lg);
            color: var(--color-text-muted);
            font-size: 0.9rem;
        }

        .latest-empty i {
            display: block;
            font-size: 2rem;
            margin-bottom: var(--spacing-xs);
            color: var(--color-border-strong);
        }

        /* ========== 转化 CTA ========== */
        .conversion-cta {
            padding: var(--spacing-xl) 0;
        }

        .cta-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
            background: linear-gradient(120deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, var(--color-primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl) var(--spacing-lg);
            flex-wrap: wrap;
        }

        .cta-panel .cta-text {
            flex: 1;
            min-width: 260px;
        }

        .cta-panel .cta-text h2 {
            color: #fff;
            font-size: 1.5rem;
            margin-bottom: var(--spacing-xs);
        }

        .cta-panel .cta-text p {
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 0;
            font-size: 0.95rem;
        }

        .cta-panel .cta-action {
            flex-shrink: 0;
        }

        .cta-btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--color-secondary);
            color: var(--color-primary-dark);
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 700;
            text-decoration: none;
            transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }

        .cta-btn-primary:hover {
            background-color: var(--color-secondary-light);
            color: var(--color-primary-dark);
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }

        /* ========== 查看更多 ========== */
        .view-more-section {
            text-align: center;
            padding: var(--spacing-md) 0 var(--spacing-xl);
        }

        .view-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border: 1px solid var(--color-primary);
            color: var(--color-primary);
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 500;
            text-decoration: none;
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .view-more-btn:hover {
            background-color: var(--color-primary);
            color: #fff;
            text-decoration: none;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background-color: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: var(--spacing-xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-xl);
        }

        .footer-brand .footer-logo {
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-xs);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .footer-logo .logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 12px;
            flex-shrink: 0;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            margin-bottom: 0;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h3 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: var(--spacing-sm);
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-secondary-light);
            text-decoration: none;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-xs);
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.55);
        }

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

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

            .metrics-inner {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }

            .metric-item {
                border-right: none;
                border-bottom: 1px solid var(--color-border);
                padding: var(--spacing-sm);
            }

            .metric-item:nth-child(3),
            .metric-item:nth-child(4) {
                border-bottom: none;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 1.6rem;
            }

            h2 {
                font-size: 1.35rem;
            }

            .category-banner {
                min-height: 260px;
                padding: var(--spacing-lg) 0;
            }

            .category-banner h1 {
                font-size: 1.6rem;
            }

            .category-banner .banner-sub {
                font-size: 0.92rem;
            }

            .service-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }

            .service-card .card-image {
                height: 180px;
            }

            .latest-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }

            .scene-card {
                min-width: 240px;
                max-width: 260px;
            }

            .cta-panel {
                flex-direction: column;
                align-items: flex-start;
                padding: var(--spacing-lg) var(--spacing-md);
                gap: var(--spacing-md);
            }

            .cta-panel .cta-action {
                width: 100%;
            }

            .cta-btn-primary {
                width: 100%;
                justify-content: center;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
            }

            .header-cta-btn span {
                display: none;
            }

            .header-cta-btn {
                padding: 9px 12px;
                font-size: 0;
            }

            .header-cta-btn i {
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            :root {
                --header-height: 56px;
                --spacing-lg: 32px;
                --spacing-xl: 40px;
                --spacing-2xl: 56px;
                --drawer-width: 300px;
            }

            body {
                font-size: 15px;
                line-height: 1.65;
            }

            .container {
                padding: 0 var(--spacing-sm);
            }

            .container-wide {
                padding: 0 var(--spacing-sm);
            }

            .header-logo a {
                font-size: 0.95rem;
            }

            .header-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 13px;
            }

            .category-banner {
                min-height: 220px;
                padding: var(--spacing-lg) 0;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }

            .category-banner h1 {
                font-size: 1.4rem;
            }

            .category-banner .banner-sub {
                font-size: 0.85rem;
            }

            .breadcrumb {
                font-size: 0.78rem;
            }

            .banner-tag {
                font-size: 0.7rem;
                padding: 4px 10px;
            }

            .service-card .card-image {
                height: 160px;
            }

            .service-card .card-body {
                padding: var(--spacing-sm);
            }

            .service-card .card-body h3 {
                font-size: 1rem;
            }

            .metrics-inner {
                grid-template-columns: 1fr 1fr;
                padding: var(--spacing-md) var(--spacing-sm);
                gap: 0;
            }

            .metric-item .metric-value {
                font-size: 1.4rem;
            }

            .metric-item .metric-label {
                font-size: 0.75rem;
            }

            .faq-question {
                font-size: 0.88rem;
                padding: var(--spacing-sm) var(--spacing-sm);
            }

            .faq-answer {
                padding: 0 var(--spacing-sm) var(--spacing-sm);
            }

            .faq-answer p {
                font-size: 0.82rem;
            }

            .cta-panel .cta-text h2 {
                font-size: 1.25rem;
            }

            .cta-panel .cta-text p {
                font-size: 0.85rem;
            }

            .cta-btn-primary {
                padding: 12px 20px;
                font-size: 0.9rem;
            }

            .view-more-btn {
                padding: 10px 22px;
                font-size: 0.85rem;
            }

            .site-footer {
                padding: var(--spacing-lg) 0 var(--spacing-sm);
            }

            .footer-brand .footer-logo {
                font-size: 1rem;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #4A7C6F;
            --color-primary-light: #5D8F82;
            --color-primary-dark: #2D4A3E;
            --color-secondary: #C9A96A;
            --color-secondary-light: #D9BC89;
            --color-bg: #FAF8F4;
            --color-surface: #FFFFFF;
            --color-surface-warm: #F7F3EC;
            --color-text: #2A2E2B;
            --color-text-secondary: #5A615C;
            --color-text-muted: #8A918A;
            --color-border: #E5DED4;
            --color-border-strong: #D5CCC0;
            --color-success: #4A7C6F;
            --color-error: #B5544A;
            --color-warning: #C9A96A;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(42, 46, 43, 0.06);
            --shadow-md: 0 8px 24px rgba(42, 46, 43, 0.1);
            --shadow-lg: 0 16px 48px rgba(42, 46, 43, 0.14);
            --shadow-hover: 0 12px 32px rgba(74, 124, 111, 0.18);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-2xl: 80px;
            --font-serif: 'Noto Serif SC', 'Songti SC', 'STSong', serif;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --header-height: 68px;
            --drawer-width: 340px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            background: none;
            transition: all var(--transition-fast);
        }
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 15px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        .container-narrow {
            max-width: 860px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        /* ========== 头部导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background-color: rgba(250, 248, 244, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 var(--spacing-md);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1360px;
            margin: 0 auto;
            gap: var(--spacing-sm);
        }
        .header-logo {
            flex-shrink: 0;
        }
        .header-logo a {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .header-logo a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }
        .header-logo .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 15px;
            flex-shrink: 0;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 9px 20px;
            border-radius: var(--radius-md);
            text-decoration: none;
            white-space: nowrap;
            transition: background-color var(--transition-fast), transform var(--transition-fast);
        }
        .header-cta:hover {
            background-color: var(--color-primary-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }
        .hamburger {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1px solid var(--color-border);
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
        }
        .hamburger:hover {
            border-color: var(--color-primary);
            background-color: var(--color-surface-warm);
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            border-radius: 2px;
            background-color: var(--color-primary-dark);
            transition: transform var(--transition-base), opacity var(--transition-base), background-color var(--transition-fast);
        }
        .hamburger:hover span {
            background-color: var(--color-primary);
        }
        /* ========== 侧滑抽屉 ========== */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            z-index: 1500;
            background-color: rgba(42, 46, 43, 0.45);
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--transition-base), visibility var(--transition-base);
        }
        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }
        .drawer-panel {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            z-index: 1600;
            width: var(--drawer-width);
            max-width: 85%;
            background-color: var(--color-surface-warm);
            border-left: 1px solid var(--color-border);
            box-shadow: var(--shadow-lg);
            transform: translateX(100%);
            transition: transform var(--transition-slow);
            display: flex;
            flex-direction: column;
            padding: var(--spacing-md) var(--spacing-md) var(--spacing-lg);
        }
        .drawer-panel.open {
            transform: translateX(0);
        }
        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: var(--spacing-md);
            padding-bottom: var(--spacing-sm);
            border-bottom: 1px solid var(--color-border);
        }
        .drawer-header .drawer-logo {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-primary-dark);
        }
        .drawer-close {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            font-size: 1.1rem;
            transition: all var(--transition-fast);
        }
        .drawer-close:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background-color: var(--color-surface-warm);
        }
        .drawer-nav {
            flex: 1;
            overflow-y: auto;
        }
        .drawer-nav ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .drawer-nav li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            text-decoration: none;
            transition: all var(--transition-fast);
        }
        .drawer-nav li a i {
            width: 22px;
            text-align: center;
            font-size: 1.05rem;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .drawer-nav li a:hover {
            background-color: var(--color-surface);
            color: var(--color-primary-dark);
            text-decoration: none;
        }
        .drawer-nav li a:hover i {
            color: var(--color-primary);
        }
        .drawer-nav li a.active {
            background-color: var(--color-primary);
            color: #fff;
        }
        .drawer-nav li a.active i {
            color: #fff;
        }
        .drawer-footer {
            margin-top: var(--spacing-md);
            padding-top: var(--spacing-sm);
            border-top: 1px solid var(--color-border);
            font-size: 0.85rem;
            color: var(--color-text-muted);
            text-align: center;
        }
        /* ========== 主内容 ========== */
        .site-main {
            padding-top: var(--header-height);
            min-height: 70vh;
        }
        /* ========== 面包屑 ========== */
        .breadcrumb-section {
            background-color: var(--color-surface-warm);
            border-bottom: 1px solid var(--color-border);
            padding: var(--spacing-sm) 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.88rem;
            color: var(--color-text-muted);
        }
        .breadcrumb a {
            color: var(--color-text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
            text-decoration: underline;
        }
        .breadcrumb .separator {
            color: var(--color-border-strong);
            font-size: 0.75rem;
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 500;
        }
        /* ========== 文章标题区 ========== */
        .article-header-section {
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            background-color: var(--color-bg);
        }
        .article-header-inner {
            max-width: 860px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--color-surface-warm);
            color: var(--color-primary);
            font-size: 0.82rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 30px;
            border: 1px solid var(--color-border);
            margin-bottom: var(--spacing-sm);
            text-decoration: none;
            transition: all var(--transition-fast);
        }
        .article-category-tag:hover {
            background-color: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            text-decoration: none;
        }
        .article-title {
            font-family: var(--font-serif);
            font-size: 2.1rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-text);
            margin: 0 0 var(--spacing-sm);
            letter-spacing: 0.01em;
        }
        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: 0.88rem;
            color: var(--color-text-muted);
            padding-bottom: var(--spacing-md);
            border-bottom: 1px solid var(--color-border);
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .article-meta i {
            color: var(--color-secondary);
            font-size: 0.82rem;
        }
        /* ========== 封面配图区 ========== */
        .article-cover-section {
            padding: 0 0 var(--spacing-lg);
            background-color: var(--color-bg);
        }
        .article-cover-inner {
            max-width: 860px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        .article-cover-figure {
            margin: 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
        }
        .article-cover-figure img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }
        .article-cover-figure figcaption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 40px var(--spacing-md) var(--spacing-sm);
            background: linear-gradient(to top, rgba(42, 74, 62, 0.85), transparent);
            color: #f5f1e8;
            font-size: 0.85rem;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        }
        /* ========== 正文阅读区 ========== */
        .article-body-section {
            padding: var(--spacing-sm) 0 var(--spacing-xl);
            background-color: var(--color-bg);
        }
        .article-body-inner {
            max-width: 860px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--color-text);
        }
        .article-body h2 {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin: var(--spacing-lg) 0 var(--spacing-sm);
            padding-bottom: var(--spacing-xs);
            border-bottom: 2px solid var(--color-border);
            letter-spacing: 0.01em;
        }
        .article-body h3 {
            font-family: var(--font-serif);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-text);
            margin: var(--spacing-md) 0 var(--spacing-sm);
        }
        .article-body h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text);
            margin: var(--spacing-md) 0 var(--spacing-xs);
        }
        .article-body p {
            margin: 0 0 var(--spacing-sm);
            color: var(--color-text-secondary);
        }
        .article-body blockquote {
            margin: var(--spacing-md) 0;
            padding: var(--spacing-sm) var(--spacing-md);
            background-color: var(--color-surface-warm);
            border-left: 4px solid var(--color-secondary);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: var(--color-text-secondary);
        }
        .article-body blockquote p {
            margin: 0;
        }
        .article-body ul,
        .article-body ol {
            margin: var(--spacing-sm) 0 var(--spacing-md);
            padding-left: 1.8em;
            color: var(--color-text-secondary);
        }
        .article-body li {
            margin-bottom: var(--spacing-xs);
        }
        .article-body img {
            margin: var(--spacing-md) 0;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }
        .article-body a {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            color: var(--color-primary-dark);
        }
        .article-body code {
            font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
            font-size: 0.88em;
            background-color: var(--color-surface-warm);
            padding: 2px 6px;
            border-radius: 4px;
            color: var(--color-primary-dark);
        }
        .article-body pre {
            background-color: var(--color-primary-dark);
            color: #e8ece9;
            padding: var(--spacing-md);
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: var(--spacing-md) 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .article-body pre code {
            background: none;
            color: inherit;
            padding: 0;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: var(--spacing-md) 0;
            font-size: 0.95rem;
        }
        .article-body table th,
        .article-body table td {
            padding: 12px 16px;
            border: 1px solid var(--color-border);
            text-align: left;
        }
        .article-body table th {
            background-color: var(--color-surface-warm);
            font-weight: 600;
            color: var(--color-primary-dark);
        }
        .article-body hr {
            border: none;
            border-top: 1px solid var(--color-border);
            margin: var(--spacing-lg) 0;
        }
        /* ========== 相关推荐 ========== */
        .related-section {
            padding: var(--spacing-xl) 0;
            background-color: var(--color-surface-warm);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .related-section .section-heading {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 var(--spacing-lg);
            letter-spacing: 0.01em;
            text-align: left;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .related-card {
            display: block;
            background-color: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            text-decoration: none;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }
        .related-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            text-decoration: none;
        }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }
        .related-card-body {
            padding: var(--spacing-sm);
        }
        .related-card-body h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 8px;
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-body p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin: 0 0 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.5;
        }
        .related-card-body time {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .related-empty {
            background-color: var(--color-surface);
            border: 1px dashed var(--color-border-strong);
            border-radius: var(--radius-md);
            padding: var(--spacing-xl) var(--spacing-md);
            text-align: center;
            color: var(--color-text-muted);
            font-size: 0.95rem;
        }
        /* ========== 平台保障条 ========== */
        .trust-strip-section {
            padding: var(--spacing-lg) 0;
            background-color: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
        }
        .trust-strip {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: var(--spacing-md);
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
        }
        .trust-item i {
            color: var(--color-primary);
            font-size: 1.1rem;
        }
        /* ========== 返回入口 + CTA ========== */
        .article-cta-section {
            padding: var(--spacing-xl) 0;
            background-color: var(--color-bg);
            position: relative;
            overflow: hidden;
        }
        .article-cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-4.webp') center center / cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }
        .article-cta-inner {
            position: relative;
            z-index: 1;
            max-width: 860px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            text-align: center;
            background-color: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-md);
            box-shadow: var(--shadow-md);
        }
        .article-cta-inner h2 {
            font-family: var(--font-serif);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin: 0 0 var(--spacing-xs);
        }
        .article-cta-inner p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            margin: 0 0 var(--spacing-md);
        }
        .article-cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: var(--spacing-sm);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            text-decoration: none;
            transition: all var(--transition-fast);
            border: 2px solid var(--color-primary);
        }
        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: transparent;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            text-decoration: none;
            border: 2px solid var(--color-border-strong);
            transition: all var(--transition-fast);
        }
        .btn-secondary:hover {
            border-color: var(--color-primary);
            background-color: var(--color-surface-warm);
            color: var(--color-primary-dark);
            text-decoration: none;
        }
        /* ========== 文章空态 ========== */
        .article-empty-section {
            padding: var(--spacing-xl) 0;
            background-color: var(--color-bg);
            min-height: 50vh;
            display: flex;
            align-items: center;
        }
        .article-empty {
            max-width: 520px;
            margin: 0 auto;
            text-align: center;
            padding: var(--spacing-lg);
            background-color: var(--color-surface);
            border: 1px dashed var(--color-border-strong);
            border-radius: var(--radius-lg);
        }
        .article-empty .empty-icon {
            font-size: 3rem;
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-sm);
        }
        .article-empty h2 {
            font-family: var(--font-serif);
            font-size: 1.4rem;
            color: var(--color-text);
            margin: 0 0 var(--spacing-xs);
        }
        .article-empty p {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            margin: 0 0 var(--spacing-md);
        }
        /* ========== 页脚 ========== */
        .site-footer {
            background-color: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.82);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: 0;
        }
        .site-footer .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        }
        .footer-logo {
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-xs);
            letter-spacing: 0.02em;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            margin: 0;
            max-width: 320px;
        }
        .footer-col h3 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-secondary-light);
            margin: 0 0 var(--spacing-sm);
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.72);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-secondary-light);
            text-decoration: none;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing-xs);
            padding-top: var(--spacing-md);
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
        }
        /* ========== 响应式断点 ========== */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
            .article-title {
                font-size: 1.7rem;
            }
            .article-cover-figure img {
                height: 320px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
                --spacing-xl: 40px;
                --spacing-lg: 28px;
            }
            .header-logo a {
                font-size: 0.98rem;
            }
            .header-cta {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .header-cta .cta-text-short {
                display: inline;
            }
            .header-cta .cta-text-full {
                display: none;
            }
            .article-title {
                font-size: 1.4rem;
                line-height: 1.4;
            }
            .article-cover-figure img {
                height: 240px;
            }
            .article-meta {
                font-size: 0.8rem;
                gap: 10px;
            }
            .article-body {
                font-size: 1rem;
                line-height: 1.85;
            }
            .article-body h2 {
                font-size: 1.25rem;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
            .trust-strip {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .article-cta-inner {
                padding: var(--spacing-md) var(--spacing-sm);
            }
            .article-cta-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary,
            .btn-secondary {
                justify-content: center;
                width: 100%;
            }
            .drawer-panel {
                width: 85%;
                max-width: 320px;
            }
        }
        @media (max-width: 520px) {
            .header-logo a {
                font-size: 0.88rem;
                gap: 5px;
            }
            .header-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 12px;
            }
            .header-cta {
                padding: 6px 10px;
                font-size: 0.75rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .article-title {
                font-size: 1.25rem;
            }
            .article-cover-figure img {
                height: 200px;
            }
            .article-cover-figure figcaption {
                font-size: 0.75rem;
                padding: 24px var(--spacing-sm) var(--spacing-xs);
            }
            .related-card img {
                height: 160px;
            }
        }