:root {
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-sub: #475569;
      --text-muted: #64748b;
      --primary: #0284c7;
      --primary-dark: #0369a1;
      --neon-cyan: #06b6d4;
      --neon-purple: #8b5cf6;
      --neon-pink: #ec4899;
      --neon-amber: #f59e0b;
      --border-color: #e2e8f0;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
      --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
      --shadow-neon: 0 12px 30px rgba(6, 182, 212, 0.15);
      --radius-lg: 18px;
      --radius-md: 12px;
      --radius-sm: 8px;
      --container-width: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
    }

    body {
      background: radial-gradient(circle at 10% 0%, rgba(6, 182, 212, 0.06), transparent 35%),
                  radial-gradient(circle at 90% 15%, rgba(139, 92, 246, 0.06), transparent 35%),
                  radial-gradient(circle at 50% 50%, rgba(236, 72, 153, 0.04), transparent 45%),
                  var(--bg-main);
      line-height: 1.6;
      overflow-x: hidden;
    }

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

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      transition: all 0.3s ease;
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 800;
      color: var(--text-main);
    }

    .brand-logo-wrap {
      width: 42px;
      height: 42px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      background: #f1f5f9;
      overflow: hidden;
    }

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

    .nav-links li a {
      display: block;
      padding: 10px 14px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-sub);
      border-radius: 6px;
      white-space: nowrap;
    }

    .nav-links li a:hover {
      color: var(--primary);
      background: rgba(2, 132, 199, 0.06);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 14px;
      font-weight: 600;
      border-radius: 30px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      white-space: nowrap;
    }

    .btn-neon {
      background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(6, 182, 212, 0.35);
    }

    .btn-neon:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 22px rgba(139, 92, 246, 0.45);
      color: #ffffff;
    }

    .btn-outline {
      border-color: #cbd5e1;
      background: #ffffff;
      color: var(--text-main);
    }

    .btn-outline:hover {
      border-color: var(--neon-cyan);
      color: var(--primary-dark);
      background: rgba(6, 182, 212, 0.04);
    }

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

    .mobile-menu-btn span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--text-main);
      margin: 5px 0;
      transition: 0.3s;
    }

    /* 首屏 Hero - 无图片，纯CSS与科技质感 */
    .hero-section {
      padding: 80px 0 60px;
      text-align: center;
      position: relative;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 30px;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary-dark);
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
      position: relative;
    }

    .hero-badge::before {
      content: "";
      width: 8px;
      height: 8px;
      background: var(--neon-cyan);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--neon-cyan);
    }

    .hero-title {
      font-size: 46px;
      line-height: 1.25;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      margin-bottom: 20px;
    }

    .hero-title-highlight {
      background: linear-gradient(120deg, #0284c7, #8b5cf6, #ec4899);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 18px;
      color: var(--text-sub);
      max-width: 780px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

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

    .hero-btn-official {
      padding: 14px 34px;
      font-size: 16px;
      font-weight: 700;
      background: linear-gradient(135deg, #06b6d4, #3b82f6, #8b5cf6);
      color: #ffffff;
      border-radius: 30px;
      box-shadow: 0 6px 20px rgba(6, 182, 212, 0.4);
      border: none;
      transition: all 0.3s ease;
    }

    .hero-btn-official:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 10px 28px rgba(139, 92, 246, 0.5);
      color: #ffffff;
    }

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

    .stat-card {
      background: #ffffff;
      border: 1px solid rgba(226, 232, 240, 0.9);
      border-radius: var(--radius-md);
      padding: 24px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .stat-card::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 10%;
      width: 80%;
      height: 3px;
      background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(6, 182, 212, 0.4);
    }

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

    .stat-value {
      font-size: 28px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .stat-label {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 通用Section */
    .section {
      padding: 70px 0;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px;
    }

    .section-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--primary);
      background: rgba(2, 132, 199, 0.08);
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.3px;
    }

    .section-subtitle {
      font-size: 15px;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* 平台介绍 / 关于我们 */
    .about-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .about-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .about-highlights {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .highlight-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

    .highlight-box:hover {
      border-color: var(--neon-purple);
      transform: translateY(-2px);
    }

    .highlight-icon {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(139, 92, 246, 0.1));
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .highlight-title {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .highlight-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 服务能力卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-item:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-neon);
      border-color: rgba(6, 182, 212, 0.4);
    }

    .service-badge {
      display: inline-block;
      font-size: 11px;
      font-weight: 600;
      padding: 3px 10px;
      border-radius: 4px;
      background: #f1f5f9;
      color: var(--text-sub);
      margin-bottom: 14px;
      width: fit-content;
    }

    .service-item-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .service-item-desc {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .service-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .service-link:hover {
      color: var(--neon-purple);
      gap: 8px;
    }

    /* 一站式创作全场景矩阵 */
    .scenes-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .scene-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

    .scene-card:hover {
      border-color: var(--neon-cyan);
      box-shadow: 0 6px 18px rgba(6, 182, 212, 0.12);
      transform: translateY(-3px);
    }

    .scene-title {
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .scene-tag {
      font-size: 10px;
      padding: 2px 6px;
      border-radius: 4px;
      background: rgba(139, 92, 246, 0.08);
      color: var(--neon-purple);
      font-weight: 600;
    }

    .scene-desc {
      font-size: 12.5px;
      color: var(--text-sub);
      line-height: 1.55;
    }

    /* AI支持模型 百科标签云 */
    .models-cloud-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
      text-align: center;
    }

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

    .model-tag {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      padding: 8px 16px;
      border-radius: 30px;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      transition: all 0.2s ease;
    }

    .model-tag:hover {
      background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(139, 92, 246, 0.1));
      border-color: var(--neon-cyan);
      color: var(--primary-dark);
      transform: scale(1.05);
    }

    /* 标准流程时间线 */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .flow-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .flow-num {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
      color: #ffffff;
      font-size: 15px;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
      box-shadow: 0 4px 10px rgba(6, 182, 212, 0.3);
    }

    .flow-title {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .flow-desc {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.55;
    }

    /* 案例展示区 */
    .cases-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      margin-bottom: 24px;
    }

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

    .case-banner-img-wrap {
      display: flex;
      flex-direction: column;
      gap: 16px;
      padding: 16px;
      background: #f1f5f9;
    }

    .case-banner-img-wrap img {
      width: 100%;
      height: auto;
      border-radius: 8px;
      display: block;
      object-fit: cover;
    }

    .case-square-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .case-square-box img {
      width: 100%;
      height: auto;
      border-radius: 8px;
      display: block;
      margin-bottom: 16px;
    }

    /* 对比评测 板块 */
    .eval-card {
      background: #ffffff;
      border: 2px solid rgba(6, 182, 212, 0.3);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-neon);
      margin-bottom: 30px;
    }

    .eval-header-flex {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      margin-bottom: 28px;
      padding-bottom: 20px;
      border-bottom: 1px solid var(--border-color);
    }

    .eval-score-box {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .score-badge {
      font-size: 38px;
      font-weight: 900;
      color: var(--neon-purple);
      line-height: 1;
    }

    .score-badge span {
      font-size: 16px;
      color: var(--text-muted);
      font-weight: 600;
    }

    .stars-box {
      color: #f59e0b;
      font-size: 18px;
      font-weight: 700;
    }

    .eval-table-wrap {
      overflow-x: auto;
    }

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

    .eval-table th, .eval-table td {
      padding: 14px 18px;
      border-bottom: 1px solid var(--border-color);
      font-size: 14px;
    }

    .eval-table th {
      background: #f8fafc;
      color: var(--text-main);
      font-weight: 700;
    }

    .eval-table tr:last-child td {
      border-bottom: none;
    }

    .table-highlight {
      color: var(--primary-dark);
      font-weight: 700;
      background: rgba(6, 182, 212, 0.04);
    }

    /* Token 比价卡片 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      position: relative;
    }

    .token-card.featured {
      border: 2px solid var(--neon-cyan);
      box-shadow: var(--shadow-neon);
      transform: scale(1.02);
    }

    .token-badge {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
      color: #ffffff;
      font-size: 11px;
      font-weight: 700;
      padding: 3px 14px;
      border-radius: 20px;
    }

    .token-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .token-price {
      font-size: 34px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .token-price small {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: normal;
    }

    .token-features {
      list-style: none;
      text-align: left;
      margin: 20px 0 24px;
      font-size: 13.5px;
      color: var(--text-sub);
    }

    .token-features li {
      padding: 6px 0;
      border-bottom: 1px dashed #f1f5f9;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 6条 用户评论卡片 */
    .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: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-content {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 18px;
      font-style: italic;
    }

    .review-author-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(139, 92, 246, 0.2));
      color: var(--primary);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
    }

    .author-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

    .author-role {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* FAQ 折叠面板 (>=10条) */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: all 0.25s ease;
    }

    .faq-item.active {
      border-color: rgba(6, 182, 212, 0.5);
      box-shadow: var(--shadow-md);
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

    .faq-icon {
      font-size: 18px;
      color: var(--text-muted);
      transition: transform 0.25s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      background: #fafcff;
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.65;
    }

    /* 加盟代理模块 */
    .agent-box {
      background: linear-gradient(135deg, rgba(6, 182, 212, 0.08), rgba(139, 92, 246, 0.08));
      border: 1px solid rgba(6, 182, 212, 0.2);
      border-radius: var(--radius-lg);
      padding: 40px;
      display: grid;
      grid-template-columns: 3fr 2fr;
      gap: 32px;
      align-items: center;
    }

    .agent-title {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .agent-points {
      list-style: none;
      margin: 16px 0 24px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      font-size: 13.5px;
      color: var(--text-sub);
    }

    .agent-points li {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 行业资讯 & 最新文章 */
    .news-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .news-links-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-top: 20px;
    }

    .news-card-link {
      display: block;
      padding: 16px;
      border-radius: var(--radius-sm);
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      transition: all 0.25s ease;
    }

    .news-card-link:hover {
      background: #ffffff;
      border-color: var(--neon-cyan);
      color: var(--primary);
      box-shadow: var(--shadow-sm);
      transform: translateX(3px);
    }

    /* 需求匹配与联系我们表单 */
    .contact-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: start;
    }

    .contact-info-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .contact-info-item {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 18px;
      font-size: 14px;
      color: var(--text-sub);
    }

    .contact-qr-flex {
      display: flex;
      align-items: center;
      gap: 20px;
      margin-top: 24px;
      padding-top: 24px;
      border-top: 1px solid var(--border-color);
    }

    .qr-img-box {
      width: 120px;
      height: 120px;
      border-radius: 8px;
      border: 1px solid var(--border-color);
      overflow: hidden;
      background: #fff;
    }

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

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

    .form-group {
      margin-bottom: 18px;
    }

    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-main);
      background: #f8fafc;
      transition: all 0.2s ease;
      font-family: inherit;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      outline: none;
      border-color: var(--neon-cyan);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
    }

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

    /* 页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 50px 0 30px;
      margin-top: 60px;
    }

    .footer-inner {
      display: flex;
      flex-direction: column;
      gap: 30px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 2fr;
      gap: 30px;
    }

    .footer-col-title {
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 14px;
      color: var(--text-main);
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
      font-size: 13.5px;
      color: var(--text-sub);
    }

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

    .friend-links-box {
      padding-top: 20px;
      border-top: 1px solid var(--border-color);
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
      font-size: 13px;
      color: var(--text-muted);
    }

    .friend-links-box a {
      color: var(--text-sub);
    }

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

    .footer-bottom {
      text-align: center;
      font-size: 13px;
      color: var(--text-muted);
      padding-top: 20px;
      border-top: 1px solid #f1f5f9;
    }

    /* 浮动客服 */
    .float-kefu {
      position: fixed;
      right: 20px;
      bottom: 40px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      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: var(--text-main);
      transition: all 0.25s ease;
      font-size: 18px;
    }

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

    /* 响应式媒体查询 */
    @media (max-width: 1024px) {
      .services-grid, .token-grid, .reviews-grid, .news-links-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .scenes-grid, .flow-steps, .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 24px;
        box-shadow: var(--shadow-md);
        border-bottom: 1px solid var(--border-color);
        gap: 0;
      }
      .nav-links.active {
        display: flex;
      }
      .hero-title {
        font-size: 32px;
      }
      .about-wrap, .agent-box, .contact-wrap, .cases-grid {
        grid-template-columns: 1fr;
      }
      .services-grid, .token-grid, .reviews-grid, .scenes-grid, .flow-steps, .hero-stats-grid, .news-links-grid {
        grid-template-columns: 1fr;
      }
      .about-highlights {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
    }