:root {
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-sub: #475569;
      --text-light: #64748b;
      --border-color: #e2e8f0;
      --holo-1: #6366f1;
      --holo-2: #06b6d4;
      --holo-3: #ec4899;
      --holo-4: #8b5cf6;
      --holo-gradient: linear-gradient(135deg, #6366f1 0%, #06b6d4 50%, #ec4899 100%);
      --holo-soft: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(6, 182, 212, 0.08) 50%, rgba(236, 72, 153, 0.08) 100%);
      --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 10px 25px -5px rgba(99, 102, 241, 0.08), 0 8px 10px -6px rgba(6, 182, 212, 0.08);
      --shadow-lg: 0 20px 35px -10px rgba(99, 102, 241, 0.12), 0 1px 3px rgba(0, 0, 0, 0.05);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --transition: all 0.28s ease;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      background-image: 
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.06) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(6, 182, 212, 0.07) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(236, 72, 153, 0.04) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.06) 0px, transparent 50%);
      background-attachment: fixed;
      color: var(--text-main);
      line-height: 1.65;
      font-size: 15px;
      overflow-x: hidden;
    }

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

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

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
      width: 100%;
    }

    .section-wrap {
      padding: 70px 0;
      position: relative;
    }

    .section-title-wrap {
      text-align: center;
      margin-bottom: 45px;
      position: relative;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background: var(--holo-soft);
      border: 1px solid rgba(99, 102, 241, 0.2);
      border-radius: 50px;
      font-size: 13px;
      font-weight: 600;
      color: var(--holo-1);
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 28px;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: -0.5px;
      margin-bottom: 12px;
    }

    .section-desc {
      font-size: 15px;
      color: var(--text-sub);
      max-width: 680px;
      margin: 0 auto;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      transition: var(--transition);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 70px;
    }

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

    .brand-logo-wrap .ai-page-logo {
      height: 38px;
      width: auto;
      object-fit: contain;
    }

    .brand-name-text {
      font-size: 19px;
      font-weight: 800;
      background: var(--holo-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }

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

    .nav-item a {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-sub);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      position: relative;
    }

    .nav-item a:hover {
      color: var(--holo-1);
      background: rgba(99, 102, 241, 0.05);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-holo {
      background: var(--holo-gradient);
      color: #ffffff;
      box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
    }

    .btn-holo:hover {
      opacity: 0.92;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
      color: #ffffff;
    }

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

    .btn-outline:hover {
      border-color: var(--holo-1);
      color: var(--holo-1);
      background: var(--holo-soft);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 22px;
      cursor: pointer;
      color: var(--text-main);
      padding: 6px;
    }

    /* 首屏 Hero */
    .hero-section {
      padding: 80px 0 65px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid rgba(99, 102, 241, 0.3);
      border-radius: 50px;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

    .hero-badge span.pulse-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #10b981;
      display: inline-block;
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
    }

    .hero-title {
      font-size: 40px;
      font-weight: 800;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-title .holo-span {
      background: var(--holo-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-subtitle {
      font-size: 17px;
      color: var(--text-sub);
      max-width: 760px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

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

    .btn-hero-primary {
      padding: 13px 34px;
      font-size: 16px;
      border-radius: 30px;
      background: var(--holo-gradient);
      color: #ffffff;
      font-weight: 700;
      box-shadow: 0 8px 25px rgba(99, 102, 241, 0.35);
    }

    .btn-hero-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 30px rgba(99, 102, 241, 0.45);
      color: #ffffff;
    }

    .btn-hero-secondary {
      padding: 13px 30px;
      font-size: 16px;
      border-radius: 30px;
      background: #ffffff;
      color: var(--text-main);
      border: 1px solid var(--border-color);
      font-weight: 600;
      box-shadow: var(--shadow-sm);
    }

    .btn-hero-secondary:hover {
      border-color: var(--holo-1);
      color: var(--holo-1);
      background: var(--holo-soft);
    }

    /* 首屏数据指标卡片 (纯CSS无图片) */
    .hero-metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      text-align: left;
    }

    .metric-card {
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(226, 232, 240, 0.9);
      border-radius: var(--radius-md);
      padding: 22px;
      position: relative;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      overflow: hidden;
    }

    .metric-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: var(--holo-gradient);
      opacity: 0;
      transition: var(--transition);
    }

    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(99, 102, 241, 0.3);
    }

    .metric-card:hover::before {
      opacity: 1;
    }

    .metric-num {
      font-size: 30px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.1;
      margin-bottom: 6px;
      display: flex;
      align-items: baseline;
      gap: 4px;
    }

    .metric-num small {
      font-size: 16px;
      color: var(--holo-1);
      font-weight: 700;
    }

    .metric-label {
      font-size: 13px;
      color: var(--text-light);
      line-height: 1.4;
    }

    /* 支持模型标签流动区 */
    .models-marquee-wrap {
      padding: 24px 0 10px;
    }

    .models-title {
      text-align: center;
      font-size: 13px;
      color: var(--text-light);
      margin-bottom: 16px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

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

    .model-chip {
      padding: 6px 14px;
      background: rgba(255, 255, 255, 0.7);
      border: 1px solid var(--border-color);
      border-radius: 20px;
      font-size: 12px;
      font-weight: 600;
      color: var(--text-sub);
      transition: var(--transition);
    }

    .model-chip:hover {
      border-color: var(--holo-2);
      color: var(--holo-1);
      background: #ffffff;
      transform: translateY(-1px);
    }

    /* 通用卡片网格 */
    .card-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

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

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

    .holo-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(99, 102, 241, 0.3);
    }

    .card-icon-box {
      width: 46px;
      height: 46px;
      border-radius: 12px;
      background: var(--holo-soft);
      border: 1px solid rgba(99, 102, 241, 0.15);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      margin-bottom: 16px;
      color: var(--holo-1);
    }

    .holo-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .holo-card p {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* 平台介绍大板块 */
    .intro-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
      margin-bottom: 30px;
    }

    .intro-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
      align-items: center;
    }

    .intro-list {
      list-style: none;
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-top: 20px;
    }

    .intro-item {
      padding: 12px 14px;
      background: var(--bg-main);
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      font-size: 13px;
      color: var(--text-sub);
      font-weight: 500;
    }

    .intro-item strong {
      color: var(--holo-1);
      display: block;
      margin-bottom: 3px;
    }

    .banner-gallery {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .banner-gallery-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

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

    /* 流程步骤 */
    .process-steps-wrap {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 14px;
      position: relative;
    }

    .step-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 18px;
      text-align: center;
      position: relative;
      transition: var(--transition);
    }

    .step-box:hover {
      border-color: var(--holo-1);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .step-badge {
      width: 32px;
      height: 32px;
      line-height: 32px;
      margin: 0 auto 12px;
      border-radius: 50%;
      background: var(--holo-gradient);
      color: #fff;
      font-weight: 800;
      font-size: 13px;
    }

    .step-box h4 {
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .step-box p {
      font-size: 12px;
      color: var(--text-sub);
    }

    /* 案例展示 */
    .case-gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .case-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(99, 102, 241, 0.3);
    }

    .case-img-wrap {
      aspect-ratio: 16 / 10;
      overflow: hidden;
      background: #e2e8f0;
      position: relative;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

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

    .case-body {
      padding: 20px;
    }

    .case-tag {
      font-size: 11px;
      color: var(--holo-1);
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 6px;
      display: inline-block;
    }

    .case-title {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

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

    /* 对比评测表格与卡片 */
    .review-score-banner {
      background: var(--holo-soft);
      border: 1px solid rgba(99, 102, 241, 0.25);
      border-radius: var(--radius-md);
      padding: 24px 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 24px;
      flex-wrap: wrap;
      gap: 16px;
    }

    .score-badge-group {
      display: flex;
      align-items: center;
      gap: 18px;
    }

    .star-display {
      font-size: 22px;
      color: #f59e0b;
      letter-spacing: 2px;
    }

    .score-big-num {
      font-size: 34px;
      font-weight: 900;
      color: var(--holo-1);
    }

    .score-text-label {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      background: #ffffff;
      box-shadow: var(--shadow-sm);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }

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

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

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

    .compare-table tr:hover td {
      background: rgba(99, 102, 241, 0.02);
    }

    .text-highlight {
      color: var(--holo-1);
      font-weight: 700;
    }

    .badge-check {
      display: inline-block;
      padding: 3px 8px;
      background: rgba(16, 185, 129, 0.1);
      color: #059669;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 600;
    }

    /* 客户评论卡片 (6条) */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .testimonial-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;
      transition: var(--transition);
    }

    .testimonial-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(99, 102, 241, 0.3);
    }

    .quote-content {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 18px;
      position: relative;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    .reviewer-avatar-placeholder {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--holo-soft);
      border: 1px solid rgba(99, 102, 241, 0.2);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--holo-1);
      font-size: 14px;
    }

    .reviewer-info h5 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

    .reviewer-info span {
      font-size: 12px;
      color: var(--text-light);
    }

    /* 常见问题 FAQ 折叠面板 */
    .faq-accordion-wrap {
      max-width: 900px;
      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);
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: rgba(99, 102, 241, 0.4);
      box-shadow: var(--shadow-sm);
    }

    .faq-header {
      padding: 18px 22px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-main);
      user-select: none;
    }

    .faq-header:hover {
      color: var(--holo-1);
    }

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

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      color: var(--holo-1);
    }

    .faq-body {
      padding: 0 22px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.65;
      background: #fbfcfe;
    }

    .faq-item.active .faq-body {
      padding: 0 22px 18px;
      max-height: 250px;
    }

    /* 需求匹配与联系我们表单 */
    .form-section-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 30px;
      align-items: stretch;
    }

    .form-panel {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 34px;
      box-shadow: var(--shadow-md);
    }

    .form-group-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-bottom: 16px;
    }

    .form-control-item {
      margin-bottom: 16px;
    }

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

    .form-input,
    .form-select,
    .form-textarea {
      width: 100%;
      padding: 10px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-main);
      background: #f8fafc;
      transition: var(--transition);
      outline: none;
    }

    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
      border-color: var(--holo-1);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    }

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

    .contact-info-panel {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 34px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-card-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      margin-bottom: 18px;
    }

    .contact-icon-box {
      width: 38px;
      height: 38px;
      border-radius: 8px;
      background: var(--holo-soft);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--holo-1);
      font-size: 16px;
      flex-shrink: 0;
    }

    .qr-contact-box {
      background: #f8fafc;
      border: 1px dashed var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px;
      text-align: center;
      margin-top: 10px;
    }

    .qr-contact-box img {
      width: 120px;
      height: 120px;
      object-fit: contain;
      margin: 0 auto 10px;
      border-radius: var(--radius-sm);
      background: #fff;
    }

    /* 行业资讯与短代码文章列表 */
    .news-cards-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 22px;
    }

    .news-card-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .news-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      margin-top: 14px;
    }

    .news-links-list a {
      font-size: 14px;
      color: var(--text-sub);
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px 10px;
      border-radius: 6px;
      background: #f8fafc;
      transition: var(--transition);
    }

    .news-links-list a:hover {
      color: var(--holo-1);
      background: var(--holo-soft);
      padding-left: 14px;
    }

    /* 友情链接 */
    .links-chip-group {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      padding: 20px;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .links-chip-group a {
      padding: 7px 16px;
      background: #f8fafc;
      border: 1px solid var(--border-color);
      border-radius: 30px;
      font-size: 13px;
      color: var(--text-sub);
      font-weight: 500;
    }

    .links-chip-group a:hover {
      border-color: var(--holo-2);
      color: var(--holo-1);
      background: #ffffff;
      box-shadow: var(--shadow-sm);
    }

    /* 页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 45px 0 25px;
      margin-top: 50px;
    }

    .footer-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
      padding-bottom: 25px;
      border-bottom: 1px solid #f1f5f9;
    }

    .footer-brand p {
      font-size: 13px;
      color: var(--text-light);
      margin-top: 6px;
      max-width: 480px;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      padding-top: 20px;
      font-size: 13px;
      color: var(--text-light);
    }

    .footer-bottom a {
      color: var(--text-sub);
    }

    .footer-bottom a:hover {
      color: var(--holo-1);
    }

    /* 悬浮客服面板 */
    .floating-assistant {
      position: fixed;
      right: 20px;
      bottom: 25px;
      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(--holo-1);
      font-size: 18px;
      transition: var(--transition);
      position: relative;
    }

    .float-btn:hover {
      transform: scale(1.08);
      border-color: var(--holo-1);
      background: var(--holo-soft);
    }

    .float-qr-modal {
      position: absolute;
      right: 58px;
      bottom: 0;
      width: 160px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      padding: 12px;
      text-align: center;
      display: none;
    }

    .float-qr-modal img {
      width: 100%;
      height: auto;
      border-radius: 6px;
    }

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

    /* 响应式样式 */
    @media (max-width: 1024px) {
      .hero-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .card-grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .card-grid-3,
      .case-gallery-grid,
      .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps-wrap {
        grid-template-columns: repeat(3, 1fr);
      }
      .intro-grid {
        grid-template-columns: 1fr;
      }
      .form-section-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        align-items: stretch;
        padding: 15px 20px;
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-item a {
        display: block;
        padding: 10px 14px;
      }
      .hero-title {
        font-size: 28px;
      }
      .hero-metrics-grid,
      .card-grid-3,
      .card-grid-4,
      .case-gallery-grid,
      .testimonials-grid,
      .news-cards-grid {
        grid-template-columns: 1fr;
      }
      .process-steps-wrap {
        grid-template-columns: 1fr;
      }
      .intro-list {
        grid-template-columns: 1fr;
      }
      .form-group-row {
        grid-template-columns: 1fr;
      }
      .review-score-banner {
        flex-direction: column;
        align-items: flex-start;
      }
    }