/* roulang page: index */
:root {
            --primary: #A26842;
            --primary-dark: #8E532B;
            --accent: #3C6E57;
            --accent-hover: #315846;
            --bg-light: #FBF9F6;
            --bg-muted: #F3EFEA;
            --bg-dark: #1F1A17;
            --text-main: #282421;
            --text-muted: #6C6661;
            --border-light: #E7E1D8;
            --border-dark: #362E2A;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-subtle: 0 4px 20px -2px rgba(60, 48, 40, 0.06);
            --shadow-card: 0 8px 24px -4px rgba(60, 48, 40, 0.08);
            --shadow-hover: 0 16px 32px -6px rgba(60, 48, 40, 0.12);
            --transition: all 0.28s ease-in-out;
            --container-max: 1240px;
        }

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

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-light);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button, input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部导航行 */
        .top-bar {
            background-color: #26201D;
            color: #C8BFB7;
            font-size: 13px;
            padding: 8px 0;
            border-bottom: 1px solid var(--border-dark);
        }
        .top-bar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .top-bar-left span {
            margin-right: 20px;
        }
        .top-bar-right a {
            color: #DFD7CF;
            margin-left: 18px;
        }
        .top-bar-right a:hover {
            color: #FFFFFF;
        }

        /* 主导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(251, 249, 246, 0.96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-light);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
        }
        .logo-box {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .logo-mark {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFF;
            font-weight: 700;
            font-size: 20px;
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: -0.02em;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 4px;
            position: relative;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 15px;
            padding: 10px 22px;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
            text-align: center;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #FFFFFF;
        }
        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(162, 104, 66, 0.25);
        }
        .btn-accent {
            background-color: var(--accent);
            color: #FFFFFF;
        }
        .btn-accent:hover {
            background-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(60, 110, 87, 0.25);
        }
        .btn-outline {
            background-color: transparent;
            color: var(--text-main);
            border-color: var(--border-light);
        }
        .btn-outline:hover {
            background-color: var(--bg-muted);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* 移动端菜单切换按钮 */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--text-main);
        }

        /* 通用 Section 结构 */
        .section-block {
            padding: 80px 0;
            position: relative;
        }
        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 52px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(60, 110, 87, 0.08);
            padding: 4px 14px;
            border-radius: 9999px;
            margin-bottom: 12px;
            letter-spacing: 0.05em;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 1. HERO: 文档帮助中心式居中搜索与热门引导 */
        .hero-doc {
            background: linear-gradient(180deg, #F5EFEB 0%, #FBF9F6 100%), url('/assets/images/8ca2402317c3acd1.webp') center/cover no-repeat;
            background-blend-mode: overlay;
            padding: 90px 0 70px;
            border-bottom: 1px solid var(--border-light);
            text-align: center;
        }
        .hero-content {
            max-width: 860px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(162, 104, 66, 0.1);
            color: var(--primary-dark);
            padding: 6px 16px;
            border-radius: 9999px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
        }
        .hero-title {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-main);
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }
        .hero-lead {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 36px;
        }
        .hero-search-box {
            position: relative;
            max-width: 680px;
            margin: 0 auto 24px;
            display: flex;
            box-shadow: var(--shadow-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #FFF;
            border: 1px solid var(--border-light);
        }
        .hero-search-input {
            flex: 1;
            padding: 18px 24px;
            font-size: 16px;
            border: none;
            outline: none;
            color: var(--text-main);
        }
        .hero-search-btn {
            background: var(--accent);
            color: #FFF;
            border: none;
            padding: 0 32px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .hero-search-btn:hover {
            background: var(--accent-hover);
        }
        .hero-chips-wrap {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 10px;
        }
        .hero-chips-label {
            font-size: 14px;
            color: var(--text-muted);
        }
        .hero-chip {
            background: #FFF;
            border: 1px solid var(--border-light);
            padding: 6px 14px;
            border-radius: 9999px;
            font-size: 13px;
            color: var(--text-main);
            cursor: pointer;
            transition: var(--transition);
        }
        .hero-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: #FFF9F5;
        }

        /* 2. 全球与全域协同覆盖 (覆盖能力) */
        .grid-coverage {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .cov-card {
            background: #FFF;
            padding: 28px 24px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-subtle);
            transition: var(--transition);
        }
        .cov-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }
        .cov-metric {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            display: block;
        }
        .cov-name {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .cov-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 3. 场景卡 (Bento 风格展示) */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .scene-card {
            background: #FFF;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-subtle);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        .scene-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }
        .scene-img-holder {
            height: 220px;
            overflow: hidden;
            position: relative;
        }
        .scene-img-holder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .scene-card:hover .scene-img-holder img {
            transform: scale(1.05);
        }
        .scene-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .scene-badge {
            align-self: flex-start;
            font-size: 12px;
            font-weight: 600;
            background: var(--bg-muted);
            color: var(--primary-dark);
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 12px;
        }
        .scene-title {
            font-size: 19px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .scene-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 18px;
            flex: 1;
        }
        .scene-footer-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* 4. 本地化能力与制造履约 */
        .loc-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .loc-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
        }
        .loc-badge-float {
            position: absolute;
            bottom: 24px;
            left: 24px;
            background: rgba(31, 26, 23, 0.9);
            color: #FFF;
            padding: 14px 20px;
            border-radius: var(--radius-md);
            max-width: 280px;
            font-size: 13px;
            backdrop-filter: blur(8px);
        }
        .loc-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 24px;
        }
        .loc-item {
            display: flex;
            gap: 16px;
        }
        .loc-icon-bubble {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: var(--bg-muted);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            flex-shrink: 0;
            font-size: 18px;
            border: 1px solid var(--border-light);
        }
        .loc-item-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .loc-item-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 5. 核心优势对比 (6 卡片网格) */
        .adv-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .adv-card {
            background: #FFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 30px 24px;
            transition: var(--transition);
        }
        .adv-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }
        .adv-num {
            font-size: 14px;
            font-weight: 700;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 12px;
            display: block;
        }
        .adv-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .adv-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 6. 深胡桃木色案例与设计理念区 */
        .dark-philosophy {
            background-color: var(--bg-dark);
            color: #EDE8E3;
            padding: 88px 0;
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }
        .dark-philosophy .section-title {
            color: #FFF;
        }
        .dark-philosophy .section-desc {
            color: #AFA8A2;
        }
        .philo-grid {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 48px;
            align-items: center;
        }
        .philo-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 12px 30px rgba(0,0,0,0.5);
        }
        .philo-content h3 {
            font-size: 24px;
            font-weight: 600;
            color: #FFF;
            margin-bottom: 18px;
        }
        .philo-content p {
            font-size: 15px;
            color: #C0B8B1;
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .philo-specs {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .philo-spec-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 16px;
            border-radius: var(--radius-sm);
        }
        .philo-spec-label {
            font-size: 13px;
            color: #8C847E;
            margin-bottom: 4px;
        }
        .philo-spec-val {
            font-size: 16px;
            font-weight: 600;
            color: #F0E8DF;
        }

        /* 7. 客户实战案例 (故事叙述) */
        .story-box {
            background: #FFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
            display: grid;
            grid-template-columns: 1fr 1fr;
            align-items: center;
            margin-bottom: 32px;
        }
        .story-img {
            height: 100%;
            min-height: 340px;
            position: relative;
        }
        .story-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .story-info {
            padding: 40px;
        }
        .story-tag {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 8px;
        }
        .story-heading {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-main);
        }
        .story-p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .story-stats {
            display: flex;
            gap: 28px;
            padding-top: 18px;
            border-top: 1px solid var(--border-light);
        }
        .stat-num {
            font-size: 20px;
            font-weight: 700;
            color: var(--accent);
        }
        .stat-lbl {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 8. 关键业务数据统计条 */
        .metric-bar-section {
            background: #2D2521;
            color: #FFF;
            padding: 44px 0;
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }
        .metric-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .metric-item {
            position: relative;
        }
        .metric-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 20%;
            height: 60%;
            width: 1px;
            background: rgba(255, 255, 255, 0.12);
        }
        .metric-value {
            font-size: 40px;
            font-weight: 700;
            color: #E29665;
            letter-spacing: -0.02em;
            margin-bottom: 6px;
        }
        .metric-label {
            font-size: 14px;
            color: #C0B7AF;
        }

        /* 9. 口碑评价墙与行业认可 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .rev-card {
            background: #FFF;
            border: 1px solid var(--border-light);
            padding: 28px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-subtle);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .rev-stars {
            color: #D9822B;
            font-size: 15px;
            margin-bottom: 14px;
        }
        .rev-text {
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.7;
            margin-bottom: 20px;
            flex: 1;
        }
        .rev-author {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
        }
        .rev-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--bg-muted);
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            color: var(--primary);
        }
        .rev-info-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
        }
        .rev-info-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 10. 家居电商运营资讯列表 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .news-card {
            background: #FFF;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-subtle);
            transition: var(--transition);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .news-thumb {
            height: 180px;
            overflow: hidden;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-content {
            padding: 22px;
        }
        .news-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: block;
        }
        .news-heading {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 10px;
            line-height: 1.4;
            color: var(--text-main);
        }
        .news-excerpt {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 11. 方案套餐与开通价格阶梯 */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            align-items: stretch;
        }
        .price-card {
            background: #FFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            display: flex;
            flex-direction: column;
            position: relative;
            transition: var(--transition);
        }
        .price-card.featured {
            border-color: var(--primary);
            box-shadow: 0 12px 36px rgba(162, 104, 66, 0.16);
            transform: scale(1.02);
            background: #FFFCFA;
        }
        .price-badge-top {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #FFF;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 9999px;
            letter-spacing: 0.04em;
        }
        .price-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .price-desc {
            font-size: 13px;
            color: var(--text-muted);
            min-height: 42px;
            line-height: 1.5;
            margin-bottom: 20px;
        }
        .price-val-box {
            display: flex;
            align-items: baseline;
            gap: 4px;
            margin-bottom: 24px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border-light);
        }
        .price-currency {
            font-size: 22px;
            font-weight: 600;
            color: var(--primary);
        }
        .price-num {
            font-size: 38px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1;
        }
        .price-cycle {
            font-size: 13px;
            color: var(--text-muted);
        }
        .price-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 32px;
            flex: 1;
        }
        .price-feat-item {
            font-size: 14px;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .price-feat-item::before {
            content: '✓';
            color: var(--accent);
            font-weight: 700;
            font-size: 14px;
        }

        /* 12. 常见问题 FAQ 手风琴 */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: #FFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-input {
            display: none;
        }
        .faq-label {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            user-select: none;
        }
        .faq-label::after {
            content: '+';
            font-size: 20px;
            color: var(--primary);
            transition: transform 0.25s ease;
        }
        .faq-input:checked + .faq-label::after {
            content: '−';
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            background: #FDFCFB;
            padding: 0 24px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
        }
        .faq-input:checked ~ .faq-answer {
            max-height: 200px;
            padding: 0 24px 20px;
            border-top: 1px solid #F3EFEA;
        }

        /* 13. 底部强转化 CTA 区域 */
        .cta-box {
            background: linear-gradient(135deg, #A26842 0%, #764121 100%);
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            color: #FFF;
            text-align: center;
            box-shadow: 0 20px 40px -10px rgba(142, 83, 43, 0.35);
        }
        .cta-heading {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .cta-subtext {
            font-size: 16px;
            color: #F7EAE1;
            max-width: 680px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            max-width: 560px;
            margin: 0 auto 24px;
            gap: 12px;
        }
        .cta-input {
            flex: 1;
            padding: 16px 20px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.4);
            font-size: 15px;
            outline: none;
            background: #FFF;
        }
        .cta-submit {
            background: #1F1A17;
            color: #FFF;
            border: none;
            padding: 0 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: var(--transition);
        }
        .cta-submit:hover {
            background: #000;
        }
        .cta-notes {
            display: flex;
            justify-content: center;
            gap: 24px;
            font-size: 13px;
            color: #EDD5C7;
        }

        /* 浮动吸底转化条 (预留响应式转化) */
        .sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: rgba(31, 26, 23, 0.94);
            backdrop-filter: blur(8px);
            color: #FFF;
            padding: 12px 24px;
            z-index: 99;
            box-shadow: 0 -4px 16px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 14px;
            border-top: 1px solid var(--border-dark);
        }
        .sticky-bar-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .sticky-tag {
            background: var(--accent);
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
        }

        /* 页脚 Footer */
        .site-footer {
            background: #171311;
            color: #9E958E;
            font-size: 14px;
            padding: 72px 0 36px;
            margin-bottom: 54px; /* 为吸底条留出空间 */
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #FFF;
            margin-bottom: 14px;
        }
        .footer-intro {
            font-size: 13px;
            line-height: 1.75;
            color: #9E958E;
            max-width: 320px;
        }
        .footer-col-title {
            font-size: 15px;
            font-weight: 600;
            color: #FFF;
            margin-bottom: 18px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a:hover {
            color: #FFF;
        }
        .footer-contact-item {
            margin-bottom: 10px;
            font-size: 13px;
            line-height: 1.6;
        }
        .footer-bottom {
            padding-top: 28px;
            border-top: 1px solid #2B2320;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: #7A726C;
        }

        /* 响应式断点适配 */
        @media (max-width: 1024px) {
            .grid-coverage { grid-template-columns: repeat(2, 1fr); }
            .scene-grid { grid-template-columns: repeat(2, 1fr); }
            .adv-grid { grid-template-columns: repeat(2, 1fr); }
            .pricing-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
            .philo-grid { grid-template-columns: 1fr; }
            .story-box { grid-template-columns: 1fr; }
        }

        @media (max-width: 768px) {
            .top-bar { display: none; }
            .nav-menu { display: none; }
            .mobile-toggle { display: block; }
            .hero-title { font-size: 32px; }
            .hero-search-box { flex-direction: column; }
            .hero-search-btn { padding: 14px; }
            .loc-wrapper { grid-template-columns: 1fr; }
            .metric-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
            .metric-item:not(:last-child)::after { display: none; }
            .scene-grid, .adv-grid, .reviews-grid, .news-grid { grid-template-columns: 1fr; }
            .cta-form { flex-direction: column; }
            .cta-submit { padding: 14px; }
            .cta-notes { flex-direction: column; gap: 8px; }
            .sticky-bar { flex-direction: column; gap: 10px; text-align: center; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
        }