:root {
      --primary-color: #ff4d00;
      --primary-hover: #e04400;
      --accent-cyan: #00d2ff;
      --accent-yellow: #ffc700;
      --accent-indigo: #4338ca;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --bg-light-blue: #f0f7ff;
      --bg-warm-light: #fffaf0;
      --text-main: #1e293b;
      --text-secondary: #475569;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
      --max-width: 1200px;
      --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 16px 36px rgba(255, 77, 0, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      position: relative;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 10% 20%, rgba(255, 77, 0, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(0, 210, 255, 0.04) 0%, transparent 40%);
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }

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

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

    /* 头部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .nav-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }

    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .ai-page-logo {
      height: 44px;
      width: auto;
      object-fit: contain;
    }

    .brand-title {
      font-size: 1.35rem;
      font-weight: 800;
      color: #0f172a;
      letter-spacing: -0.5px;
    }

    .nav-menu {
      display: flex;
      align-items: center;
    }

    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
    }

    .nav-links li a {
      font-size: 0.94rem;
      font-weight: 600;
      color: var(--text-secondary);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      display: inline-block;
    }

    .nav-links li a:hover {
      color: var(--primary-color);
      background-color: rgba(255, 77, 0, 0.06);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
      font-weight: 700;
      padding: 10px 22px;
      border-radius: var(--radius-md);
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
      text-align: center;
    }

    .btn-primary {
      background-color: var(--primary-color);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(255, 77, 0, 0.3);
    }

    .btn-primary:hover {
      background-color: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: var(--shadow-lg);
    }

    .btn-contrast {
      background-color: #0f172a;
      color: #ffffff;
      border: 1px solid #1e293b;
    }

    .btn-contrast:hover {
      background-color: var(--primary-color);
      color: #ffffff;
      transform: translateY(-2px);
    }

    .btn-outline {
      background-color: transparent;
      border-color: var(--border-color);
      color: var(--text-main);
    }

    .btn-outline:hover {
      border-color: var(--primary-color);
      color: var(--primary-color);
      background: rgba(255, 77, 0, 0.04);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .menu-toggle span {
      display: block;
      width: 24px;
      height: 3px;
      background: var(--text-main);
      margin: 5px 0;
      border-radius: 2px;
      transition: 0.3s;
    }

    /* 章节通用样式 */
    .section {
      padding: 72px 0;
      position: relative;
    }

    .section-alt {
      background-color: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 52px;
    }

    .section-badge {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary-color);
      background-color: rgba(255, 77, 0, 0.08);
      border: 1px solid rgba(255, 77, 0, 0.2);
      padding: 4px 14px;
      border-radius: 999px;
      margin-bottom: 14px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: #0f172a;
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-secondary);
      line-height: 1.7;
    }

    /* 首屏 HERO 区域 (无图片) */
    .hero-section {
      padding: 90px 0 70px;
      background: linear-gradient(135deg, #ffffff 0%, #fff6f0 50%, #f0f7ff 100%);
      border-bottom: 1px solid var(--border-color);
      position: relative;
      overflow: hidden;
    }

    .hero-container {
      position: relative;
      z-index: 2;
      text-align: center;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid rgba(255, 77, 0, 0.25);
      box-shadow: 0 4px 12px rgba(255, 77, 0, 0.08);
      padding: 6px 18px;
      border-radius: 999px;
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--primary-color);
      margin-bottom: 24px;
    }

    .hero-tag-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--primary-color);
      animation: pulse 1.8s infinite;
    }

    @keyframes pulse {
      0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 77, 0, 0.7); }
      70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(255, 77, 0, 0); }
      100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 77, 0, 0); }
    }

    .hero-title {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1.25;
      color: #0f172a;
      max-width: 960px;
      margin: 0 auto 24px;
      letter-spacing: -1px;
    }

    .hero-highlight {
      color: var(--primary-color);
      background: linear-gradient(120deg, var(--primary-color) 0%, #ff8400 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-secondary);
      max-width: 820px;
      margin: 0 auto 36px;
      line-height: 1.8;
    }

    .hero-cta-group {
      display: flex;
      justify-content: center;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 50px;
    }

    .hero-main-btn {
      font-size: 1.1rem;
      padding: 14px 34px;
      background: linear-gradient(135deg, #ff4d00 0%, #ff6b00 100%);
      color: #ffffff;
      font-weight: 800;
      border-radius: var(--radius-md);
      box-shadow: 0 10px 24px rgba(255, 77, 0, 0.35);
      border: 1px solid rgba(255, 255, 255, 0.3);
    }

    .hero-main-btn:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 14px 30px rgba(255, 77, 0, 0.45);
    }

    .hero-secondary-btn {
      font-size: 1.1rem;
      padding: 14px 28px;
      background: #ffffff;
      color: #0f172a;
      font-weight: 700;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .hero-secondary-btn:hover {
      border-color: var(--primary-color);
      color: var(--primary-color);
      transform: translateY(-2px);
    }

    /* 核心数据面板 */
    .hero-stats {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      max-width: 1040px;
      margin: 0 auto;
    }

    .stat-card {
      background: rgba(255, 255, 255, 0.88);
      border: 1px solid var(--border-color);
      border-top: 4px solid var(--primary-color);
      border-radius: var(--radius-md);
      padding: 22px 18px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s, box-shadow 0.25s;
    }

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

    .stat-number {
      font-size: 2.2rem;
      font-weight: 900;
      color: #0f172a;
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .stat-number span {
      color: var(--primary-color);
      font-size: 1.3rem;
      margin-left: 2px;
    }

    .stat-label {
      font-size: 0.9rem;
      color: var(--text-secondary);
      font-weight: 600;
    }

    /* 网格卡片与布局 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
      align-items: center;
    }

    .card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(255, 77, 0, 0.3);
    }

    .card-icon-badge {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-sm);
      background: rgba(255, 77, 0, 0.08);
      color: var(--primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 20px;
      border: 1px solid rgba(255, 77, 0, 0.15);
    }

    .card-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 12px;
    }

    .card-text {
      font-size: 0.95rem;
      color: var(--text-secondary);
      line-height: 1.7;
      flex-grow: 1;
    }

    .card-tag-list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 18px;
      padding-top: 16px;
      border-top: 1px dashed var(--border-color);
    }

    .card-tag {
      font-size: 0.8rem;
      font-weight: 600;
      padding: 3px 10px;
      border-radius: 4px;
      background: #f1f5f9;
      color: var(--text-secondary);
    }

    /* 平台模型矩阵栏 */
    .model-badge-wrapper {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .model-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 20px;
    }

    .model-chip {
      background: #f8fafc;
      border: 1px solid var(--border-color);
      padding: 8px 16px;
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      font-weight: 700;
      color: #1e293b;
      transition: all 0.2s;
    }

    .model-chip:hover {
      background: var(--primary-color);
      color: #ffffff;
      border-color: var(--primary-color);
      transform: translateY(-2px);
    }

    /* 流程步骤 */
    .steps-wrapper {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px 20px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-index {
      font-size: 2.4rem;
      font-weight: 900;
      color: rgba(255, 77, 0, 0.2);
      line-height: 1;
      margin-bottom: 12px;
    }

    .step-title {
      font-size: 1.15rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 10px;
    }

    .step-desc {
      font-size: 0.9rem;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    /* 评分评测专区 */
    .eval-container {
      background: linear-gradient(135deg, #ffffff 0%, #fffbf7 100%);
      border: 2px solid rgba(255, 77, 0, 0.25);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .eval-header-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      padding-bottom: 30px;
      border-bottom: 1px solid var(--border-color);
      margin-bottom: 32px;
    }

    .eval-score-card {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .eval-stars {
      color: #ff9800;
      font-size: 1.4rem;
      letter-spacing: 2px;
    }

    .eval-big-num {
      font-size: 3.4rem;
      font-weight: 900;
      color: var(--primary-color);
      line-height: 1;
    }

    .eval-big-num small {
      font-size: 1.2rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    .eval-badge-box {
      background: rgba(255, 77, 0, 0.08);
      border: 1px solid var(--primary-color);
      padding: 10px 20px;
      border-radius: var(--radius-md);
      font-weight: 800;
      color: var(--primary-color);
      font-size: 1.05rem;
    }

    .compare-table-wrapper {
      width: 100%;
      overflow-x: auto;
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }

    .compare-table th, 
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.95rem;
    }

    .compare-table th {
      background-color: #f1f5f9;
      color: #0f172a;
      font-weight: 800;
    }

    .compare-table td.highlight-col {
      background-color: rgba(255, 77, 0, 0.03);
      color: #0f172a;
      font-weight: 700;
      border-left: 2px solid rgba(255, 77, 0, 0.2);
      border-right: 2px solid rgba(255, 77, 0, 0.2);
    }

    .compare-tag-win {
      display: inline-block;
      background: #10b981;
      color: #ffffff;
      padding: 2px 8px;
      font-size: 0.75rem;
      border-radius: 4px;
      margin-left: 6px;
    }

    /* 案例图片展示区 (非首屏) */
    .media-gallery-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      margin-bottom: 24px;
    }

    .media-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .media-thumb-box {
      width: 100%;
      overflow: hidden;
      background-color: #e2e8f0;
      aspect-ratio: 16/9;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .media-thumb-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .media-thumb-box:hover img {
      transform: scale(1.04);
    }

    .media-content {
      padding: 20px;
    }

    .media-content h4 {
      font-size: 1.15rem;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .media-content p {
      font-size: 0.9rem;
      color: var(--text-secondary);
    }

    /* 宣传图展示条 */
    .banner-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .banner-item {
      border-radius: var(--radius-sm);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .banner-item img {
      width: 100%;
      height: 180px;
      object-fit: cover;
    }

    /* 客户真实评价 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .review-header {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
    }

    .review-avatar-text {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary-color), var(--accent-yellow));
      color: #ffffff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
    }

    .review-user-name {
      font-size: 1.05rem;
      font-weight: 800;
      color: #0f172a;
    }

    .review-user-role {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    .review-stars {
      color: #ff9800;
      font-size: 0.9rem;
      margin-bottom: 12px;
    }

    .review-text {
      font-size: 0.94rem;
      color: var(--text-secondary);
      line-height: 1.7;
      flex-grow: 1;
    }

    /* FAQ 折叠面板 */
    .faq-wrapper {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      text-align: left;
      background: none;
      border: none;
      padding: 20px 24px;
      font-size: 1.08rem;
      font-weight: 800;
      color: #0f172a;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: background-color 0.2s;
    }

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

    .faq-icon {
      font-size: 1.3rem;
      font-weight: 400;
      color: var(--text-muted);
      transition: transform 0.25s ease;
    }

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

    .faq-answer {
      display: none;
      padding: 0 24px 22px;
      font-size: 0.96rem;
      color: var(--text-secondary);
      line-height: 1.75;
      border-top: 1px dashed var(--border-color);
      padding-top: 16px;
    }

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

    /* 需求匹配与表单 */
    .form-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-top: 4px solid var(--primary-color);
      border-radius: var(--radius-md);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      font-size: 0.92rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      background-color: #f8fafc;
      transition: border-color 0.2s, box-shadow 0.2s;
      outline: none;
    }

    .form-control:focus {
      border-color: var(--primary-color);
      background-color: #ffffff;
      box-shadow: 0 0 0 3px rgba(255, 77, 0, 0.15);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 110px;
    }

    /* 代理加盟政策卡 */
    .agency-card {
      background: linear-gradient(135deg, #fff7ed 0%, #ffffff 100%);
      border: 1px solid #fed7aa;
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }

    .agency-perks {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin: 30px 0;
    }

    .agency-perk-item {
      background: #ffffff;
      padding: 20px;
      border-radius: var(--radius-md);
      border: 1px solid #ffedd5;
    }

    .agency-perk-item h4 {
      font-size: 1.1rem;
      color: #9a3412;
      margin-bottom: 8px;
    }

    .agency-perk-item p {
      font-size: 0.9rem;
      color: var(--text-secondary);
    }

    /* 资讯与百科 */
    .articles-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }

    .article-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 16px;
    }

    .article-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: #f1f5f9;
      color: var(--text-main);
      padding: 8px 16px;
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      font-weight: 600;
      border: 1px solid var(--border-color);
    }

    .article-pill:hover {
      background: rgba(255, 77, 0, 0.08);
      color: var(--primary-color);
      border-color: var(--primary-color);
    }

    /* 友情链接区 */
    .friend-links-box {
      margin-top: 36px;
      padding: 24px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
    }

    .friend-links-title {
      font-size: 1rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .friend-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .friend-links-list a {
      font-size: 0.9rem;
      color: var(--text-secondary);
      background: #f8fafc;
      padding: 6px 14px;
      border-radius: 6px;
      border: 1px solid var(--border-color);
    }

    .friend-links-list a:hover {
      color: var(--primary-color);
      border-color: var(--primary-color);
    }

    /* 页脚设计 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 64px 0 32px;
      border-top: 1px solid #1e293b;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 36px;
      margin-bottom: 48px;
    }

    .footer-brand-title {
      font-size: 1.3rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 14px;
    }

    .footer-desc {
      font-size: 0.9rem;
      line-height: 1.7;
      color: #94a3b8;
      max-width: 320px;
    }

    .footer-col-title {
      font-size: 1rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 18px;
    }

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

    .footer-links a {
      color: #94a3b8;
      font-size: 0.9rem;
    }

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

    .footer-contact-item {
      font-size: 0.9rem;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .footer-qr-block {
      margin-top: 12px;
      text-align: left;
    }

    .footer-qr-img {
      width: 100px;
      height: 100px;
      background: #ffffff;
      padding: 4px;
      border-radius: 6px;
      margin-bottom: 6px;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: #64748b;
    }

    /* 浮动客服入口 */
    .float-service-widget {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 990;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: #0f172a;
      transition: all 0.25s ease;
      position: relative;
    }

    .float-btn:hover {
      background: var(--primary-color);
      color: #ffffff;
      transform: scale(1.08);
    }

    .float-qr-pop {
      display: none;
      position: absolute;
      right: 64px;
      bottom: 0;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 14px;
      box-shadow: var(--shadow-lg);
      text-align: center;
      width: 140px;
      color: #0f172a;
      font-size: 0.85rem;
    }

    .float-qr-pop img {
      width: 110px;
      height: 110px;
      margin-bottom: 6px;
    }

    .float-btn:hover .float-qr-pop {
      display: block;
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-wrapper {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .hero-title {
        font-size: 2.1rem;
      }
      .hero-stats {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3 {
        grid-template-columns: 1fr;
      }
      .grid-2 {
        grid-template-columns: 1fr;
      }
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .banner-strip {
        grid-template-columns: repeat(2, 1fr);
      }
      .media-gallery-grid {
        grid-template-columns: 1fr;
      }
      .agency-perks {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .nav-menu {
        display: none;
        position: absolute;
        top: 74px;
        left: 0;
        width: 100%;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        box-shadow: var(--shadow-md);
      }
      .nav-menu.active {
        display: block;
      }
      .nav-links {
        flex-direction: column;
        align-items: flex-start;
      }
      .nav-links li a {
        width: 100%;
        padding: 12px 0;
        border-bottom: 1px solid #f1f5f9;
      }
      .menu-toggle {
        display: block;
      }
      .float-service-widget {
        right: 14px;
        bottom: 20px;
      }
    }