/* roulang page: index */
:root {
            --bg-body: #0a0c10;
            --bg-card: #12161f;
            --bg-card-hover: #171d28;
            --bg-alt: #0d1117;
            --primary-green: #00E5A3;
            --primary-green-glow: rgba(0, 229, 163, 0.25);
            --text-main: #FFFFFF;
            --text-sub: #9BA3AF;
            --text-muted: #626A7A;
            --border-line: rgba(255, 255, 255, 0.08);
            --border-highlight: rgba(0, 229, 163, 0.4);
            --font-family: system-ui, -apple-system, 'SF Pro Display', 'PingFang SC', 'Helvetica Neue', sans-serif;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
            padding-bottom: 70px;
        }

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

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* 顶部通栏状态条与主导航 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 12, 16, 0.85);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-line);
        }

        .top-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.4rem 1.5rem;
            font-size: 0.75rem;
            color: var(--text-muted);
            border-bottom: 1px solid rgba(255, 255, 255, 0.03);
            max-width: 1280px;
            margin: 0 auto;
        }

        .top-bar-links a {
            margin-left: 1.5rem;
        }

        .top-bar-links a:hover {
            color: var(--primary-green);
        }

        .main-nav-wrapper {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.85rem 1.5rem;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
        }

        .brand-logo i {
            color: var(--primary-green);
            font-size: 1.35rem;
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .nav-links a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-sub);
        }

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

        .header-action .btn-primary {
            padding: 0.5rem 1.25rem;
            font-size: 0.85rem;
        }

        /* 统一通用按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition-smooth);
            text-align: center;
            border: 1px solid transparent;
        }

        .btn-primary {
            background-color: var(--primary-green);
            color: #050608;
            box-shadow: 0 0 16px var(--primary-green-glow);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 24px rgba(0, 229, 163, 0.45);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
            border-color: var(--border-line);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        /* 板块通规 */
        .section-py {
            padding: 6rem 0;
        }

        .section-header {
            margin-bottom: 3.5rem;
        }

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

        .section-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--primary-green);
            background: rgba(0, 229, 163, 0.08);
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            margin-bottom: 1rem;
            border: 1px solid rgba(0, 229, 163, 0.2);
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-sub);
            max-width: 680px;
            line-height: 1.7;
        }

        .section-header.text-center .section-desc {
            margin: 0 auto;
        }

        /* 1. Hero 区域 */
        #hero {
            position: relative;
            padding-top: 10rem;
            padding-bottom: 6rem;
            min-height: 90vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: radial-gradient(circle at 70% 30%, rgba(0, 229, 163, 0.08) 0%, transparent 60%);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 3.25rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.03em;
            margin-bottom: 1.5rem;
        }

        .hero-content h1 span {
            color: var(--primary-green);
        }

        .hero-lead {
            font-size: 1.125rem;
            color: var(--text-sub);
            line-height: 1.75;
            margin-bottom: 2rem;
        }

        .hero-specs {
            display: flex;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-line);
        }

        .hero-spec-item strong {
            display: block;
            font-size: 1.75rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .hero-spec-item span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

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

        .hero-actions .btn {
            padding: 0.9rem 2rem;
            font-size: 1rem;
        }

        .hero-visual {
            position: relative;
        }

        .hero-img-box {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-line);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
        }

        .hero-img-box img {
            width: 100%;
            height: 480px;
            object-fit: cover;
            transition: var(--transition-smooth);
        }

        .hero-img-box:hover img {
            transform: scale(1.02);
        }

        /* 2. 核心卖点三连 */
        #tech-matrix {
            background-color: var(--bg-alt);
            border-top: 1px solid var(--border-line);
            border-bottom: 1px solid var(--border-line);
        }

        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .matrix-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            padding: 2.5rem 2rem;
            transition: var(--transition-smooth);
            position: relative;
        }

        .matrix-card:hover {
            border-color: var(--border-highlight);
            transform: translateY(-4px);
        }

        .matrix-icon {
            font-size: 2rem;
            color: var(--primary-green);
            margin-bottom: 1.5rem;
        }

        .matrix-card h3 {
            font-size: 1.35rem;
            margin-bottom: 0.75rem;
            font-weight: 700;
        }

        .matrix-card p {
            color: var(--text-sub);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* 3. 品牌与产品工程介绍 */
        #craftsmanship {
            position: relative;
        }

        .craft-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 4rem;
            align-items: center;
        }

        .craft-img-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-line);
        }

        .craft-img-wrap img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }

        .craft-features {
            margin-top: 2rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        .cf-item {
            border-left: 2px solid var(--primary-green);
            padding-left: 1rem;
        }

        .cf-item h4 {
            font-size: 1.05rem;
            margin-bottom: 0.35rem;
        }

        .cf-item p {
            font-size: 0.85rem;
            color: var(--text-sub);
        }

        /* 4. 技术优势六卡片网格 */
        #advantages {
            background: var(--bg-alt);
        }

        .grid-6 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .adv-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            padding: 2rem;
            transition: var(--transition-smooth);
        }

        .adv-card:hover {
            border-color: rgba(0, 229, 163, 0.3);
            background: var(--bg-card-hover);
        }

        .adv-card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.25rem;
        }

        .adv-icon {
            font-size: 1.5rem;
            color: var(--primary-green);
        }

        .adv-num {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-muted);
            font-family: monospace;
        }

        .adv-card h3 {
            font-size: 1.15rem;
            margin-bottom: 0.6rem;
            font-weight: 700;
        }

        .adv-card p {
            font-size: 0.9rem;
            color: var(--text-sub);
            line-height: 1.6;
        }

        /* 5. 热门车型矩阵 */
        #models {
            position: relative;
        }

        .models-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .model-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .model-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-highlight);
        }

        .model-thumb {
            height: 240px;
            overflow: hidden;
            position: relative;
        }

        .model-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-smooth);
        }

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

        .model-body {
            padding: 2rem;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .model-body h3 {
            font-size: 1.35rem;
            margin-bottom: 0.35rem;
        }

        .model-type {
            font-size: 0.8rem;
            color: var(--primary-green);
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 1.25rem;
        }

        .model-specs-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0.5rem;
            text-align: center;
            background: rgba(0, 0, 0, 0.2);
            padding: 0.85rem 0.5rem;
            border-radius: var(--radius-sm);
            margin-bottom: 1.5rem;
        }

        .model-specs-row div strong {
            display: block;
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
        }

        .model-specs-row div span {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .model-body p {
            font-size: 0.9rem;
            color: var(--text-sub);
            margin-bottom: 1.5rem;
            line-height: 1.6;
            flex-grow: 1;
        }

        /* 6. 沉浸式理念区 */
        #philosophy {
            background: #050608;
            border-top: 1px solid var(--border-line);
            border-bottom: 1px solid var(--border-line);
            position: relative;
        }

        .philo-wrapper {
            max-width: 960px;
            margin: 0 auto;
            text-align: center;
        }

        .philo-lead {
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: -0.02em;
            margin-bottom: 2rem;
        }

        .philo-lead span {
            color: var(--primary-green);
        }

        .philo-text {
            font-size: 1.05rem;
            color: var(--text-sub);
            line-height: 1.8;
            margin-bottom: 3rem;
        }

        .philo-pills {
            display: flex;
            justify-content: center;
            gap: 2rem;
        }

        .philo-pill-item strong {
            display: block;
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
        }

        .philo-pill-item span {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 7. 多场景出行演示 */
        #scenarios {
            background-color: var(--bg-body);
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .sc-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .sc-img-wrap {
            height: 180px;
            overflow: hidden;
        }

        .sc-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-smooth);
        }

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

        .sc-content {
            padding: 1.5rem;
            flex-grow: 1;
        }

        .sc-content h3 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }

        .sc-content p {
            font-size: 0.85rem;
            color: var(--text-sub);
            line-height: 1.6;
        }

        /* 8. 真实车主故事 */
        #stories {
            background: var(--bg-alt);
            border-top: 1px solid var(--border-line);
        }

        .stories-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
        }

        .story-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .story-img {
            height: 260px;
        }

        .story-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .story-body {
            padding: 2.25rem;
        }

        .story-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1rem;
        }

        .story-author {
            font-weight: 700;
            color: #fff;
        }

        .story-tag {
            font-size: 0.75rem;
            background: rgba(255, 255, 255, 0.05);
            padding: 0.2rem 0.6rem;
            border-radius: 4px;
            color: var(--text-sub);
        }

        .story-body h3 {
            font-size: 1.25rem;
            margin-bottom: 0.85rem;
        }

        .story-body p {
            font-size: 0.95rem;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* 9. 工业硬核数据统计条 */
        #metrics {
            background: #000;
            padding: 4.5rem 0;
            border-top: 1px solid var(--border-line);
            border-bottom: 1px solid var(--border-line);
        }

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

        .metric-value {
            font-size: 2.75rem;
            font-weight: 800;
            color: var(--primary-green);
            line-height: 1;
            margin-bottom: 0.65rem;
            font-family: monospace;
        }

        .metric-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            letter-spacing: 0.05em;
        }

        /* 10. 车主权威口碑与测评 */
        #reviews {
            background: var(--bg-body);
        }

        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            padding: 2.25rem 2rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .review-rating {
            color: #FFB800;
            font-size: 0.9rem;
            margin-bottom: 1rem;
            display: flex;
            gap: 0.25rem;
        }

        .review-text {
            font-size: 0.95rem;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 1.5rem;
            font-style: italic;
        }

        .review-source {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 1.25rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.85rem;
        }

        .review-source strong {
            color: #fff;
        }

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

        /* 11. 行业资讯与版本快报 */
        #insights {
            background: var(--bg-alt);
        }

        .insights-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .insight-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .insight-date {
            font-size: 0.75rem;
            color: var(--primary-green);
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .insight-card h3 {
            font-size: 1.05rem;
            margin-bottom: 0.85rem;
            line-height: 1.4;
        }

        .insight-card p {
            font-size: 0.85rem;
            color: var(--text-sub);
            line-height: 1.6;
            margin-bottom: 1.25rem;
        }

        .insight-link {
            font-size: 0.8rem;
            color: var(--primary-green);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }

        /* 12. 购车与用车 FAQ 手风琴 */
        #faq {
            background: var(--bg-body);
        }

        .faq-accordion {
            max-width: 840px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        details.faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-smooth);
        }

        details.faq-item[open] {
            border-color: var(--border-highlight);
        }

        summary.faq-header {
            padding: 1.25rem 1.75rem;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            font-size: 1.05rem;
            user-select: none;
        }

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

        summary.faq-header i {
            color: var(--primary-green);
            transition: transform 0.3s ease;
        }

        details.faq-item[open] summary.faq-header i {
            transform: rotate(45deg);
        }

        .faq-body {
            padding: 0 1.75rem 1.5rem 1.75rem;
            font-size: 0.95rem;
            color: var(--text-sub);
            line-height: 1.7;
            border-top: 1px solid rgba(255, 255, 255, 0.02);
            padding-top: 1rem;
        }

        /* 无忧购车保障条 */
        #warranty {
            background: #0d121b;
            border-top: 1px solid var(--border-line);
            border-bottom: 1px solid var(--border-line);
            padding: 3.5rem 0;
        }

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

        .warranty-item {
            display: flex;
            align-items: center;
            gap: 1.25rem;
        }

        .w-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: rgba(0, 229, 163, 0.08);
            border: 1px solid rgba(0, 229, 163, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-green);
            font-size: 1.4rem;
            flex-shrink: 0;
        }

        .w-info h4 {
            font-size: 1.05rem;
            margin-bottom: 0.25rem;
            color: #fff;
        }

        .w-info p {
            font-size: 0.85rem;
            color: var(--text-sub);
            line-height: 1.4;
        }

        /* 预约试驾表单区 */
        #booking {
            background: radial-gradient(circle at bottom right, rgba(0, 229, 163, 0.06), transparent 50%), var(--bg-card);
            border-top: 1px solid var(--border-line);
            padding: 5rem 0;
        }

        .booking-box {
            max-width: 820px;
            margin: 0 auto;
            background: #0d1117;
            border: 1px solid var(--border-line);
            border-radius: var(--radius-lg);
            padding: 3rem;
        }

        .booking-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .form-group.full-width {
            grid-column: span 2;
        }

        .form-group label {
            font-size: 0.85rem;
            color: var(--text-sub);
            font-weight: 600;
        }

        .form-input, .form-select {
            width: 100%;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-sm);
            padding: 0.85rem 1rem;
            font-size: 0.95rem;
            color: #fff;
            outline: none;
            transition: var(--transition-smooth);
        }

        .form-input:focus, .form-select:focus {
            border-color: var(--primary-green);
            box-shadow: 0 0 10px rgba(0, 229, 163, 0.2);
            background: rgba(255, 255, 255, 0.06);
        }

        .form-select option {
            background: #12161f;
            color: #fff;
        }

        .privacy-box {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 统一页脚 */
        .site-footer {
            background: #050608;
            border-top: 1px solid var(--border-line);
            padding: 4.5rem 0 2rem 0;
            font-size: 0.85rem;
            color: var(--text-sub);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 3.5rem;
        }

        .footer-brand p {
            margin-top: 1rem;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 1rem;
            color: #fff;
            margin-bottom: 1.25rem;
            font-weight: 700;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

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

        .footer-bottom {
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 页面底部固定吸底转化条 */
        .sticky-dock {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: rgba(13, 17, 23, 0.92);
            backdrop-filter: blur(12px);
            border-top: 1px solid rgba(0, 229, 163, 0.25);
            padding: 0.75rem 1.5rem;
            z-index: 999;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
        }

        .dock-container {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .dock-info {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .dock-tag {
            font-size: 0.75rem;
            background: rgba(0, 229, 163, 0.1);
            color: var(--primary-green);
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-weight: 600;
            border: 1px solid rgba(0, 229, 163, 0.3);
        }

        .dock-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
        }

        .dock-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .dock-action {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .dock-tel {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--primary-green);
        }

        .dock-action .btn {
            padding: 0.55rem 1.4rem;
            font-size: 0.9rem;
        }

        /* 移动端菜单开关 */
        .mobile-menu-btn {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* 响应式断点控制 */
        @media (max-width: 1024px) {
            .hero-grid, .craft-grid, .stories-grid, .footer-grid {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
            .matrix-grid, .grid-6, .models-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid, .insights-grid, .warranty-grid, .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metric-item:nth-child(2)::after {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .top-bar {
                display: none;
            }
            .nav-links, .header-action {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .hero-content h1 {
                font-size: 2.25rem;
            }
            .hero-specs {
                flex-wrap: wrap;
                gap: 1.25rem;
            }
            .matrix-grid, .grid-6, .models-grid, .reviews-grid, .scenario-grid, .insights-grid, .warranty-grid, .metrics-grid {
                grid-template-columns: 1fr;
            }
            .metric-item::after {
                display: none !important;
            }
            .booking-form {
                grid-template-columns: 1fr;
            }
            .form-group.full-width {
                grid-column: span 1;
            }
            .booking-box {
                padding: 1.5rem;
            }
            .dock-desc, .dock-tel {
                display: none;
            }
            .dock-title {
                font-size: 0.85rem;
            }
        }