:root {
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --bg-alt: #f1f5f9;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --primary-color: #4f46e5;
      --neon-cyan: #06b6d4;
      --neon-magenta: #d946ef;
      --neon-violet: #8b5cf6;
      --neon-amber: #f59e0b;
      --neon-border: rgba(99, 102, 241, 0.25);
      --neon-glow: 0 10px 25px -5px rgba(79, 70, 229, 0.15), 0 8px 10px -6px rgba(6, 182, 212, 0.1);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
      scroll-behavior: smooth;
    }

    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-main);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
      position: relative;
    }

    body::before {
      content: "";
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: 
        radial-gradient(circle at 10% 20%, rgba(6, 182, 212, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 90% 10%, rgba(217, 70, 239, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 50% 80%, rgba(139, 92, 246, 0.04) 0%, transparent 50%);
      pointer-events: none;
      z-index: -1;
    }

    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 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);
      box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.03);
    }

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

    .brand-area {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

    .brand-area .ai-page-logo {
      height: 40px;
      width: auto;
      display: block;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      background: linear-gradient(135deg, #0f172a 0%, #4338ca 100%);
      -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-links li a {
      display: inline-block;
      padding: 8px 14px;
      color: var(--text-muted);
      text-decoration: none;
      font-size: 0.95rem;
      font-weight: 500;
      border-radius: var(--radius-sm);
      transition: var(--transition);
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary-color);
      background: rgba(79, 70, 229, 0.06);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      text-decoration: none;
      border-radius: 9999px;
      transition: var(--transition);
      cursor: pointer;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .btn-neon-primary {
      background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .btn-neon-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(79, 70, 229, 0.5);
      background: linear-gradient(135deg, #4338ca 0%, #6d28d9 100%);
    }

    .btn-neon-secondary {
      background: #ffffff;
      color: #0f172a;
      border-color: #cbd5e1;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    }

    .btn-neon-secondary:hover {
      border-color: var(--neon-cyan);
      color: var(--primary-color);
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(6, 182, 212, 0.2);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

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

    /* 区域统一间距与标题 */
    section {
      padding-top: 72px;
      padding-bottom: 72px;
      position: relative;
    }

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

    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      font-size: 0.82rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: #4338ca;
      background: linear-gradient(90deg, rgba(6, 182, 212, 0.12), rgba(217, 70, 239, 0.12));
      border: 1px solid rgba(99, 102, 241, 0.3);
      border-radius: 9999px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

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

    /* 首屏 Hero (无图片) */
    .hero-section {
      padding-top: 70px;
      padding-bottom: 70px;
      background: linear-gradient(180deg, #ffffff 0%, rgba(248, 250, 252, 0.7) 100%);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      position: relative;
      overflow: hidden;
    }

    .hero-section::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 70%;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--neon-magenta), transparent);
    }

    .hero-wrap {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: #ffffff;
      border: 1px solid rgba(99, 102, 241, 0.25);
      box-shadow: 0 4px 16px rgba(79, 70, 229, 0.08);
      border-radius: 9999px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary-color);
      margin-bottom: 24px;
    }

    .hero-tag-dot {
      width: 8px;
      height: 8px;
      background: #10b981;
      border-radius: 50%;
      box-shadow: 0 0 8px #10b981;
    }

    .hero-title {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1.25;
      color: #0f172a;
      letter-spacing: -1px;
      margin-bottom: 20px;
    }

    .hero-title span {
      background: linear-gradient(135deg, #2563eb 0%, #7c3aed 50%, #db2777 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-lead {
      font-size: 1.18rem;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-action-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 18px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }

    .hero-official-btn {
      font-size: 1.05rem;
      padding: 13px 32px;
      background: linear-gradient(135deg, #06b6d4 0%, #4f46e5 50%, #d946ef 100%);
      color: #ffffff;
      font-weight: 700;
      border: none;
      box-shadow: 0 8px 24px rgba(79, 70, 229, 0.35);
      border-radius: 9999px;
      text-decoration: none;
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .hero-official-btn:hover {
      transform: translateY(-2px) scale(1.02);
      box-shadow: 0 12px 30px rgba(217, 70, 239, 0.4);
    }

    .hero-metrics-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 20px;
    }

    .hero-metric-box {
      background: #ffffff;
      padding: 20px 16px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(226, 232, 240, 0.9);
      box-shadow: 0 4px 12px rgba(15, 23, 42, 0.04);
      position: relative;
      overflow: hidden;
    }

    .hero-metric-box::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: linear-gradient(90deg, var(--neon-cyan), var(--neon-violet));
    }

    .hero-metric-value {
      font-size: 1.85rem;
      font-weight: 800;
      color: #0f172a;
      line-height: 1.2;
      margin-bottom: 4px;
    }

    .hero-metric-label {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 通用卡片与网格 */
    .card-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .card-grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .neon-card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid rgba(226, 232, 240, 0.9);
      padding: 28px;
      box-shadow: 0 4px 16px rgba(15, 23, 42, 0.03);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .neon-card:hover {
      transform: translateY(-4px);
      border-color: rgba(99, 102, 241, 0.4);
      box-shadow: var(--neon-glow);
    }

    .card-badge {
      display: inline-block;
      align-self: flex-start;
      font-size: 0.75rem;
      font-weight: 700;
      color: #4338ca;
      background: rgba(79, 70, 229, 0.08);
      padding: 3px 10px;
      border-radius: 9999px;
      margin-bottom: 14px;
    }

    .card-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .card-text {
      font-size: 0.93rem;
      color: var(--text-muted);
      line-height: 1.65;
      flex-grow: 1;
    }

    /* 模型滚动标签云 */
    .model-pills-wrap {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(226, 232, 240, 0.9);
      padding: 24px;
      margin-top: 36px;
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.02);
    }

    .model-pills-label {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-muted);
      margin-bottom: 14px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .model-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .model-tag {
      display: inline-block;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      padding: 6px 14px;
      border-radius: 9999px;
      font-size: 0.85rem;
      font-weight: 600;
      color: #334155;
      transition: var(--transition);
    }

    .model-tag:hover {
      background: #eef2ff;
      border-color: #6366f1;
      color: #4338ca;
      transform: translateY(-1px);
    }

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

    .step-card {
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid #e2e8f0;
      position: relative;
      transition: var(--transition);
    }

    .step-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 20px rgba(79, 70, 229, 0.08);
      border-color: var(--neon-cyan);
    }

    .step-num {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, #4f46e5, #06b6d4);
      color: #ffffff;
      font-size: 1rem;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      margin-bottom: 16px;
    }

    .step-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 评测板块 */
    .review-score-board {
      background: linear-gradient(135deg, #ffffff 0%, #f5f3ff 100%);
      border: 1px solid rgba(139, 92, 246, 0.3);
      border-radius: var(--radius-lg);
      padding: 36px;
      margin-bottom: 32px;
      box-shadow: 0 10px 30px rgba(139, 92, 246, 0.08);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
    }

    .score-main-info {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .score-circle {
      width: 96px;
      height: 96px;
      border-radius: 50%;
      background: linear-gradient(135deg, #4f46e5, #d946ef);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      box-shadow: 0 6px 20px rgba(217, 70, 239, 0.3);
      flex-shrink: 0;
    }

    .score-num {
      font-size: 2.1rem;
      font-weight: 900;
      line-height: 1;
    }

    .score-max {
      font-size: 0.75rem;
      opacity: 0.85;
      font-weight: 600;
    }

    .score-meta h3 {
      font-size: 1.45rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 6px;
    }

    .star-rating {
      color: #f59e0b;
      font-size: 1.25rem;
      letter-spacing: 2px;
      margin-bottom: 6px;
    }

    .score-sub {
      color: var(--text-muted);
      font-size: 0.95rem;
    }

    /* 对比表格 */
    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid #e2e8f0;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }

    .compare-table th,
    .compare-table td {
      padding: 16px 20px;
      font-size: 0.92rem;
      border-bottom: 1px solid #e2e8f0;
    }

    .compare-table th {
      background: #f8fafc;
      color: #0f172a;
      font-weight: 700;
    }

    .compare-table td.highlight {
      background: rgba(79, 70, 229, 0.03);
      font-weight: 600;
      color: #4338ca;
    }

    .tag-check {
      color: #059669;
      font-weight: 700;
    }

    /* 案例展示区带真实图片 */
    .case-media-box {
      border-radius: var(--radius-md);
      overflow: hidden;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.03);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }

    .case-media-box:hover {
      transform: translateY(-4px);
      box-shadow: var(--neon-glow);
    }

    .case-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background: #f1f5f9;
    }

    .case-img-wrap.square-ratio {
      aspect-ratio: 1 / 1;
    }

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

    .case-media-box:hover .case-img-wrap img {
      transform: scale(1.03);
    }

    .case-content {
      padding: 20px;
    }

    .case-content h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 6px;
    }

    .case-content p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 用户评论 */
    .testimonial-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid #e2e8f0;
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.02);
      transition: var(--transition);
    }

    .testimonial-card:hover {
      border-color: rgba(6, 182, 212, 0.5);
      box-shadow: 0 8px 24px rgba(6, 182, 212, 0.1);
      transform: translateY(-3px);
    }

    .testimonial-quote {
      font-size: 0.93rem;
      color: #334155;
      line-height: 1.7;
      margin-bottom: 18px;
    }

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

    .user-avatar-circle {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, #e0e7ff, #fce7f3);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: #4338ca;
      font-size: 1rem;
    }

    .user-meta h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: #0f172a;
    }

    .user-meta span {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* 表单组件 */
    .form-section-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(99, 102, 241, 0.25);
      padding: 40px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
      max-width: 840px;
      margin: 0 auto;
    }

    .booking-form {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

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

    .form-label {
      display: block;
      font-size: 0.88rem;
      font-weight: 600;
      color: #1e293b;
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.95rem;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      background-color: #f8fafc;
      color: var(--text-main);
      transition: var(--transition);
      outline: none;
    }

    .form-control:focus {
      background-color: #ffffff;
      border-color: var(--primary-color);
      box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
    }

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

    /* FAQ 折叠项 */
    .faq-list {
      max-width: 880px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: rgba(99, 102, 241, 0.4);
      box-shadow: 0 4px 16px rgba(79, 70, 229, 0.06);
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: #0f172a;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

    .faq-icon {
      font-size: 1.2rem;
      color: var(--primary-color);
      transition: transform 0.3s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #f8fafc;
      padding: 0 24px;
      font-size: 0.93rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      max-height: 240px;
      padding: 16px 24px 22px 24px;
      border-top: 1px solid #f1f5f9;
    }

    /* 资讯与友情链接 */
    .article-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 16px;
    }

    .article-pill {
      display: inline-block;
      padding: 8px 16px;
      background: #ffffff;
      border: 1px solid #cbd5e1;
      border-radius: 9999px;
      color: var(--text-muted);
      font-size: 0.88rem;
      text-decoration: none;
      transition: var(--transition);
    }

    .article-pill:hover {
      border-color: var(--primary-color);
      color: var(--primary-color);
      box-shadow: 0 2px 8px rgba(79, 70, 229, 0.15);
    }

    .friend-links-box {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
      margin-top: 12px;
    }

    .friend-links-box a {
      color: #475569;
      text-decoration: none;
      font-size: 0.88rem;
      padding: 4px 10px;
      border-radius: 4px;
      background: #f1f5f9;
      transition: var(--transition);
    }

    .friend-links-box a:hover {
      background: #e0e7ff;
      color: #3730a3;
    }

    /* 联系与客服区 */
    .contact-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .contact-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid #e2e8f0;
      padding: 28px;
      text-align: center;
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.02);
    }

    .contact-qr-wrap {
      width: 140px;
      height: 140px;
      margin: 0 auto 16px auto;
      padding: 8px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .contact-qr-wrap img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* 宣传图展示条 */
    .banner-highlight-strip {
      margin-top: 48px;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid rgba(226, 232, 240, 0.9);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
      background: #ffffff;
    }

    .banner-highlight-strip .ai-page-image {
      display: block;
      width: 100%;
      height: auto;
    }

    /* 页脚规范：显式深色文字与浅色底 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid #e2e8f0;
      padding: 50px 0 30px 0;
      color: #475569;
      font-size: 0.9rem;
    }

    .footer-inner {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 36px;
    }

    .footer-col h5 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 16px;
    }

    .footer-col p {
      line-height: 1.7;
      margin-bottom: 12px;
      color: #64748b;
    }

    .footer-nav {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-nav a {
      color: #475569;
      text-decoration: none;
      transition: var(--transition);
    }

    .footer-nav a:hover {
      color: var(--primary-color);
      padding-left: 4px;
    }

    .footer-bottom {
      border-top: 1px solid #f1f5f9;
      padding-top: 24px;
      text-align: center;
      color: #64748b;
      font-size: 0.85rem;
    }

    /* 浮动组件 */
    .floating-tools {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid #cbd5e1;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #0f172a;
      text-decoration: none;
      font-weight: 700;
      font-size: 0.85rem;
      cursor: pointer;
      transition: var(--transition);
    }

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

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .card-grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .card-grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-metrics-bar {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-grid {
        grid-template-columns: 1fr;
      }
      .footer-inner {
        grid-template-columns: 1fr;
        gap: 30px;
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        border-bottom: 1px solid #e2e8f0;
        flex-direction: column;
        padding: 16px 24px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        width: 100%;
        padding: 10px 0;
      }
      .hero-title {
        font-size: 2.1rem;
      }
      .card-grid-3,
      .card-grid-2 {
        grid-template-columns: 1fr;
      }
      .hero-metrics-bar {
        grid-template-columns: 1fr;
      }
      .process-steps {
        grid-template-columns: 1fr;
      }
      .booking-form {
        grid-template-columns: 1fr;
      }
      .form-group-full {
        grid-column: span 1;
      }
      .form-section-card {
        padding: 24px;
      }
      .score-main-info {
        flex-direction: column;
        text-align: center;
      }
    }