/* roulang page: index */
:root {
      --primary: #111827;
      --primary-light: #1f2937;
      --accent: #10b981;
      --accent-hover: #059669;
      --warning: #ea580c;
      --text-main: #1f2937;
      --text-muted: #4b5563;
      --text-light: #9ca3af;
      --bg-main: #ffffff;
      --bg-alt: #f9fafb;
      --bg-dark: #0b0f17;
      --border-color: #e5e7eb;
      --border-dark: #2d3748;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
      --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
      --font-stack: "PingFang SC", "Microsoft YaHei", "Source Han Sans CN", -apple-system, BlinkMacSystemFont, sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-stack);
      font-size: 16px;
      line-height: 1.75;
      color: var(--text-main);
      background-color: var(--bg-main);
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.2s ease;
    }

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

    button, input, select, textarea {
      font-family: inherit;
      font-size: 1rem;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部通栏导航 */
    .top-bar {
      background-color: #0f172a;
      color: #94a3b8;
      font-size: 13px;
      padding: 8px 0;
      border-bottom: 1px solid #1e293b;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .top-bar-left, .top-bar-right {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .top-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #e2e8f0;
    }
    .top-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--accent);
    }

    .site-header {
      background-color: rgba(255, 255, 255, 0.98);
      position: sticky;
      top: 0;
      z-index: 1000;
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .site-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
    }
    .logo-symbol {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, #111827 0%, #10b981 100%);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      font-weight: 900;
      font-size: 20px;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 600;
      color: #374151;
      padding: 8px 0;
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--accent);
    }
    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background-color: var(--accent);
    }
    .header-cta-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      background-color: var(--accent);
      color: #ffffff;
      font-size: 14px;
      font-weight: 700;
      border-radius: var(--radius-sm);
      box-shadow: 0 2px 4px rgba(16, 185, 129, 0.25);
    }
    .header-cta-btn:hover {
      background-color: var(--accent-hover);
    }

    /* 移动端菜单按钮 */
    .menu-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 8px 12px;
      font-size: 14px;
      cursor: pointer;
      color: var(--text-main);
    }

    /* 通用Section布局 */
    section {
      padding: 88px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-alt);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-dark {
      background-color: var(--bg-dark);
      color: #f3f4f6;
      border-top: 1px solid #1f2937;
      border-bottom: 1px solid #1f2937;
    }
    .section-dark .section-desc {
      color: #9ca3af;
    }
    .section-dark .section-title {
      color: #ffffff;
    }

    .section-header {
      margin-bottom: 56px;
      max-width: 820px;
    }
    .section-header.center {
      margin-left: auto;
      margin-right: auto;
      text-align: center;
    }
    .section-badge {
      display: inline-block;
      padding: 4px 12px;
      font-size: 13px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--accent);
      background-color: rgba(16, 185, 129, 0.1);
      border-radius: 999px;
      margin-bottom: 14px;
      border: 1px solid rgba(16, 185, 129, 0.2);
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      line-height: 1.3;
      color: var(--primary);
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 16px;
      line-height: 1.8;
      color: var(--text-muted);
    }

    /* SECTION 1: HERO - 线索获客提问式首屏 */
    .hero-section {
      position: relative;
      background: radial-gradient(circle at 10% 20%, rgba(17, 24, 39, 0.95) 0%, rgba(11, 15, 23, 0.98) 100%),
                  url('/assets/images/f62ac7566f460222.png') center/cover no-repeat;
      color: #ffffff;
      padding: 96px 0 110px;
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 56px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 40px;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      color: #ffffff;
      letter-spacing: -0.5px;
    }
    .hero-content h1 span {
      color: var(--accent);
    }
    .hero-lead {
      font-size: 17px;
      line-height: 1.8;
      color: #d1d5db;
      margin-bottom: 32px;
    }
    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 36px;
    }
    .hero-tag-item {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      padding: 8px 16px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: #e5e7eb;
      font-weight: 600;
    }
    .hero-tag-bullet {
      color: var(--accent);
      font-size: 18px;
      line-height: 1;
    }

    /* 首屏转化线索表单卡片 */
    .hero-form-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
      color: var(--text-main);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .form-title {
      font-size: 22px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 8px;
    }
    .form-subtitle {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 24px;
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      color: #374151;
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      height: 44px;
      padding: 8px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      background-color: #f9fafb;
      color: var(--text-main);
      outline: none;
      transition: border-color 0.2s;
    }
    .form-control:focus {
      border-color: var(--accent);
      background-color: #ffffff;
    }
    .form-select {
      appearance: none;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%234b5563'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 12px center;
      background-size: 16px;
    }
    .form-submit-btn {
      width: 100%;
      height: 48px;
      background-color: var(--accent);
      color: #ffffff;
      border: none;
      border-radius: var(--radius-sm);
      font-size: 16px;
      font-weight: 700;
      cursor: pointer;
      box-shadow: 0 4px 6px -1px rgba(16, 185, 129, 0.3);
      transition: background-color 0.2s, transform 0.1s;
    }
    .form-submit-btn:hover {
      background-color: var(--accent-hover);
    }
    .form-security {
      font-size: 12px;
      color: #6b7280;
      text-align: center;
      margin-top: 12px;
    }

    /* SECTION 2: 品牌与全链智造硬核介绍区 */
    .about-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 50px;
      align-items: center;
    }
    .about-spec-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-left: 4px solid var(--accent);
      padding: 20px;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      margin-top: 24px;
      box-shadow: var(--shadow-sm);
    }
    .spec-item-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 6px;
    }
    .spec-item-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .about-image-wrapper {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
    }
    .about-image-badge {
      position: absolute;
      bottom: 16px;
      left: 16px;
      background: rgba(17, 24, 39, 0.9);
      color: #ffffff;
      padding: 10px 16px;
      border-radius: var(--radius-sm);
      font-size: 13px;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    /* SECTION 3: 核心供应链优势矩阵区（6卡片） */
    .grid-6 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .advantage-card {
      background-color: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
    }
    .advantage-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(16, 185, 129, 0.4);
    }
    .adv-icon {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      background-color: #ecfdf5;
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 20px;
      margin-bottom: 18px;
      border: 1px solid rgba(16, 185, 129, 0.2);
    }
    .adv-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 10px;
    }
    .adv-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* SECTION 4: 热门体育器材与装备品类区（3大卡片） */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .product-category-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
      transition: transform 0.2s, box-shadow 0.2s;
    }
    .product-category-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }
    .category-media {
      height: 220px;
      overflow: hidden;
      position: relative;
    }
    .category-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .product-category-card:hover .category-media img {
      transform: scale(1.05);
    }
    .category-badge {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(17, 24, 39, 0.85);
      color: #ffffff;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      backdrop-filter: blur(4px);
    }
    .category-body {
      padding: 26px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .category-title {
      font-size: 20px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 12px;
    }
    .category-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      flex: 1;
    }
    .category-footer {
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .moq-tag {
      font-size: 13px;
      color: #4b5563;
      font-weight: 600;
    }
    .category-btn {
      font-size: 14px;
      font-weight: 700;
      color: var(--accent);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .category-btn:hover {
      color: var(--accent-hover);
    }

    /* SECTION 5: 深色案例与智造理念对比区 */
    .philosophy-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .pipeline-step {
      display: flex;
      gap: 18px;
      margin-bottom: 20px;
      background: #111827;
      border: 1px solid #1f2937;
      padding: 18px 22px;
      border-radius: var(--radius-sm);
    }
    .pipeline-step:last-child {
      margin-bottom: 0;
    }
    .step-idx {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: rgba(16, 185, 129, 0.15);
      border: 1px solid var(--accent);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 14px;
      flex-shrink: 0;
    }
    .step-name {
      font-size: 16px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 4px;
    }
    .step-info {
      font-size: 13px;
      color: #9ca3af;
      line-height: 1.6;
    }

    /* SECTION 6: 行业应用场景全景演示区 */
    .scenes-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .scene-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    .scene-icon {
      font-size: 28px;
      margin-bottom: 14px;
    }
    .scene-name {
      font-size: 17px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 8px;
    }
    .scene-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 14px;
    }
    .scene-feature-list {
      list-style: none;
      border-top: 1px solid var(--border-color);
      padding-top: 12px;
      font-size: 12px;
      color: #4b5563;
    }
    .scene-feature-list li {
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .scene-feature-list li::before {
      content: "•";
      color: var(--accent);
      font-weight: bold;
    }

    /* SECTION 7: 合作客户与标杆案例故事区 */
    .cases-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .case-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .case-media {
      height: 240px;
    }
    .case-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .case-body {
      padding: 28px;
    }
    .case-meta {
      display: flex;
      gap: 12px;
      font-size: 12px;
      color: var(--accent);
      font-weight: 700;
      margin-bottom: 10px;
    }
    .case-heading {
      font-size: 20px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 12px;
    }
    .case-narrative {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .case-quote {
      background: var(--bg-alt);
      border-left: 3px solid var(--accent);
      padding: 12px 16px;
      font-size: 13px;
      color: #374151;
      font-style: italic;
    }

    /* SECTION 8: 关键产能与交付数据统计条 */
    .metrics-section {
      background: linear-gradient(135deg, #111827 0%, #1f2937 100%);
      color: #ffffff;
      padding: 60px 0;
      border-top: 1px solid #374151;
      border-bottom: 1px solid #374151;
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }
    .metric-item {
      padding: 10px;
    }
    .metric-value {
      font-size: 42px;
      font-weight: 900;
      color: var(--accent);
      line-height: 1.1;
      margin-bottom: 8px;
      font-family: monospace, var(--font-stack);
    }
    .metric-label {
      font-size: 16px;
      font-weight: 700;
      color: #f3f4f6;
      margin-bottom: 4px;
    }
    .metric-sub {
      font-size: 12px;
      color: #9ca3af;
    }

    /* SECTION 9: 采购端与品牌商用户评价区 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-stars {
      color: #f59e0b;
      margin-bottom: 14px;
      font-size: 16px;
    }
    .review-body {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
    }
    .reviewer-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #111827;
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 15px;
    }
    .reviewer-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--primary);
    }
    .reviewer-title {
      font-size: 12px;
      color: #6b7280;
    }

    /* SECTION 10: 供应链对比差异看板区 */
    .table-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .compare-table th, .compare-table td {
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-color);
      font-size: 14px;
    }
    .compare-table th {
      background: #f8fafc;
      font-weight: 800;
      color: var(--primary);
      font-size: 15px;
    }
    .compare-table th.highlight-col {
      background: #ecfdf5;
      color: #065f46;
      border-left: 2px solid var(--accent);
      border-right: 2px solid var(--accent);
    }
    .compare-table td.highlight-col {
      background: #f0fdf4;
      font-weight: 600;
      color: #065f46;
      border-left: 2px solid var(--accent);
      border-right: 2px solid var(--accent);
    }

    /* SECTION 11: 行业资讯与技术标准证据区 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .news-media {
      height: 180px;
    }
    .news-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .news-date {
      font-size: 12px;
      color: #6b7280;
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--primary);
      line-height: 1.4;
      margin-bottom: 10px;
    }
    .news-excerpt {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      flex: 1;
    }
    .news-action {
      margin-top: 16px;
      font-size: 13px;
      font-weight: 700;
      color: var(--accent);
    }

    /* SECTION 12: 采购与验厂异议拆解 FAQ 手风琴区 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 16px;
      overflow: hidden;
    }
    .faq-question {
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 700;
      color: var(--primary);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #ffffff;
      user-select: none;
    }
    .faq-toggle-icon {
      font-size: 18px;
      color: var(--accent);
      font-weight: bold;
      transition: transform 0.2s;
    }
    .faq-answer {
      padding: 0 24px 20px 24px;
      font-size: 14px;
      line-height: 1.7;
      color: var(--text-muted);
      border-top: 1px solid #f3f4f6;
    }

    /* SECTION 13: 终极保障与底部集采意向工单区 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: flex-start;
    }
    .guarantee-box {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 24px;
    }
    .guarantee-card {
      background: var(--bg-alt);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 20px;
    }
    .guarantee-num {
      font-size: 24px;
      font-weight: 900;
      color: var(--accent);
      margin-bottom: 6px;
    }
    .guarantee-head {
      font-size: 15px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 6px;
    }
    .guarantee-detail {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .form-wrapper {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    /* 页脚 */
    .site-footer {
      background-color: #0b0f17;
      color: #94a3b8;
      font-size: 14px;
      padding: 72px 0 32px;
      border-top: 1px solid #1e293b;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 56px;
    }
    .footer-brand-title {
      font-size: 20px;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 16px;
    }
    .footer-desc {
      font-size: 13px;
      line-height: 1.8;
      color: #64748b;
      margin-bottom: 20px;
    }
    .footer-contact-list {
      list-style: none;
      font-size: 13px;
      color: #94a3b8;
    }
    .footer-contact-list li {
      margin-bottom: 8px;
    }
    .footer-col-title {
      font-size: 15px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: #64748b;
      font-size: 13px;
    }
    .footer-links a:hover {
      color: var(--accent);
    }
    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 32px;
      text-align: center;
      font-size: 12px;
      color: #475569;
      line-height: 1.8;
    }
    .footer-bottom a {
      color: #475569;
    }

    /* 移动端固定CTA浮动条 */
    .mobile-sticky-bar {
      display: none;
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background: rgba(17, 24, 39, 0.98);
      padding: 10px 16px;
      box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.15);
      z-index: 999;
      padding-bottom: calc(10px + env(safe-area-inset-bottom));
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    .mobile-sticky-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    .mobile-bar-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      height: 44px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 700;
      text-align: center;
    }
    .btn-solid-accent {
      background-color: var(--accent);
      color: #ffffff;
    }
    .btn-outline-light {
      background: rgba(255, 255, 255, 0.1);
      color: #ffffff;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .grid-6 {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .scenes-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .about-grid, .philosophy-grid, .contact-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
        gap: 16px;
      }
      .nav-menu.show {
        display: flex;
      }
      .header-cta-btn {
        display: none;
      }
      .top-bar-inner {
        justify-content: center;
        text-align: center;
      }
      .top-bar-right {
        display: none;
      }
      .grid-6, .grid-3, .scenes-grid, .cases-grid, .reviews-grid, .news-grid {
        grid-template-columns: 1fr;
      }
      .metrics-grid {
        grid-template-columns: 1fr;
      }
      .guarantee-box {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .section-title {
        font-size: 26px;
      }
      .hero-content h1 {
        font-size: 28px;
      }
      section {
        padding: 60px 0;
      }
      .mobile-sticky-bar {
        display: block;
      }
      body {
        padding-bottom: 64px;
      }
    }