/* 基础重置与明艳潮流风格变量 */
    :root {
      --primary: #5b21b6;
      --primary-gradient: linear-gradient(135deg, #ff007a 0%, #7928ca 50%, #4338ca 100%);
      --accent-hot: #ff007a;
      --accent-cyan: #00f2fe;
      --accent-yellow: #ffb800;
      --bg-light: #faf7ff;
      --bg-card: #ffffff;
      --text-main: #18181b;
      --text-muted: #52525b;
      --text-light: #71717a;
      --border-color: #f1e8fd;
      --border-bright: #e9d5ff;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --shadow-sm: 0 4px 12px rgba(121, 40, 202, 0.06);
      --shadow-md: 0 10px 30px rgba(121, 40, 202, 0.1);
      --shadow-lg: 0 20px 45px rgba(255, 0, 122, 0.12);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: var(--bg-light);
      background-image: 
        radial-gradient(at 0% 0%, rgba(255, 0, 122, 0.04) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(0, 242, 254, 0.04) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(121, 40, 202, 0.03) 0px, transparent 50%);
      background-attachment: fixed;
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    .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: 100;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    }

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

    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .brand-logo-wrap {
      max-height: 42px;
      display: flex;
      align-items: center;
    }

    .brand-logo-wrap img {
      max-height: 40px;
      width: auto;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      background: var(--primary-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-links a {
      padding: 8px 14px;
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
    }

    .nav-links a:hover {
      color: var(--accent-hot);
      background: rgba(255, 0, 122, 0.05);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .btn-brand-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.92rem;
      font-weight: 700;
      color: #ffffff !important;
      background: var(--primary-gradient);
      border-radius: 99px;
      box-shadow: 0 6px 18px rgba(255, 0, 122, 0.28);
      transition: var(--transition);
      border: none;
      cursor: pointer;
    }

    .btn-brand-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 26px rgba(255, 0, 122, 0.4);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-bright);
      padding: 8px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      color: var(--text-main);
    }

    /* 首屏 Hero（严禁出现任何图片） */
    .hero-section {
      padding: 80px 0 60px;
      position: relative;
      overflow: hidden;
      text-align: center;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: #ffffff;
      border: 1px solid var(--border-bright);
      border-radius: 99px;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--accent-hot);
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

    .hero-title {
      font-size: 3rem;
      line-height: 1.25;
      font-weight: 900;
      color: #111827;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

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

    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 820px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

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

    .btn-hero-primary {
      padding: 15px 36px;
      font-size: 1.08rem;
      font-weight: 700;
      color: #ffffff !important;
      background: var(--primary-gradient);
      border-radius: 99px;
      box-shadow: 0 10px 30px rgba(121, 40, 202, 0.35);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-hero-primary:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 16px 36px rgba(255, 0, 122, 0.45);
    }

    .btn-hero-secondary {
      padding: 15px 32px;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-main);
      background: #ffffff;
      border: 1px solid var(--border-bright);
      border-radius: 99px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .btn-hero-secondary:hover {
      background: #faf5ff;
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-2px);
    }

    /* 纯 CSS 视觉数据看板卡片（代替首屏图片） */
    .hero-stats-panel {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background: #ffffff;
      border: 1px solid var(--border-bright);
      padding: 28px;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-md);
      position: relative;
    }

    .stat-card-item {
      text-align: left;
      padding: 12px 16px;
      border-left: 3px solid transparent;
      border-image: var(--primary-gradient) 1;
    }

    .stat-number {
      font-size: 2.1rem;
      font-weight: 900;
      color: var(--text-main);
      display: flex;
      align-items: baseline;
      gap: 4px;
    }

    .stat-number span {
      font-size: 1.1rem;
      color: var(--accent-hot);
      font-weight: 700;
    }

    .stat-label {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-top: 4px;
      font-weight: 500;
    }

    /* 模块通用样式 */
    .section-block {
      padding: 80px 0;
      position: relative;
    }

    .section-head {
      text-align: center;
      margin-bottom: 50px;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background: rgba(121, 40, 202, 0.08);
      color: var(--primary);
      border-radius: 99px;
      font-size: 0.82rem;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
    }

    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto;
    }

    /* 平台矩阵标签云 */
    .model-tags-wrapper {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      max-width: 1080px;
      margin: 0 auto 40px;
    }

    .model-tag {
      padding: 8px 18px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 99px;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
      box-shadow: 0 2px 6px rgba(0,0,0,0.02);
      transition: var(--transition);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .model-tag::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--accent-hot);
    }

    .model-tag:hover {
      border-color: var(--accent-hot);
      transform: translateY(-2px);
      box-shadow: var(--shadow-sm);
      color: var(--accent-hot);
    }

    /* 场景卡片网格 */
    .grid-3-col {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .feature-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
      position: relative;
      overflow: hidden;
    }

    .feature-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--primary-gradient);
      opacity: 0;
      transition: var(--transition);
    }

    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-bright);
    }

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

    .feature-icon-box {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      background: rgba(255, 0, 122, 0.08);
      color: var(--accent-hot);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      font-weight: 800;
      margin-bottom: 18px;
    }

    .feature-card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .feature-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    /* 案例展示区（图文并茂） */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

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

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

    .case-img-container {
      width: 100%;
      aspect-ratio: 16/9;
      background: #f4effc;
      overflow: hidden;
    }

    .case-img-container img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .case-item-card:hover .case-img-container img {
      transform: scale(1.03);
    }

    .case-content {
      padding: 24px;
    }

    .case-tag {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--accent-hot);
      background: rgba(255, 0, 122, 0.08);
      padding: 3px 10px;
      border-radius: 99px;
      display: inline-block;
      margin-bottom: 10px;
    }

    .case-title {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .case-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 对比评测卡片与表格 */
    .review-score-hero {
      background: linear-gradient(135deg, #2e0854 0%, #1e1035 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 36px;
      box-shadow: var(--shadow-lg);
    }

    .score-badge-area {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .big-score {
      font-size: 4rem;
      font-weight: 900;
      line-height: 1;
      color: #00f2fe;
      text-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
    }

    .score-info h3 {
      font-size: 1.5rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 6px;
    }

    .star-rating {
      color: #ffb800;
      font-size: 1.3rem;
      letter-spacing: 2px;
    }

    .table-container {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.95rem;
    }

    .custom-table th, .custom-table td {
      padding: 18px 22px;
      border-bottom: 1px solid var(--border-color);
    }

    .custom-table th {
      background: #faf7ff;
      font-weight: 700;
      color: var(--text-main);
    }

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

    .custom-table td.highlight {
      color: var(--accent-hot);
      font-weight: 700;
      background: rgba(255, 0, 122, 0.02);
    }

    /* 流程步骤 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .process-step-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 18px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .step-number {
      width: 36px;
      height: 36px;
      background: var(--primary-gradient);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      margin: 0 auto 14px;
      font-size: 0.95rem;
    }

    .process-step-box h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .process-step-box p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

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

    .testimonial-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testimonial-text {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: italic;
    }

    .user-profile {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .user-avatar-badge {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
    }

    .user-meta h4 {
      font-size: 0.98rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .user-meta span {
      font-size: 0.82rem;
      color: var(--text-light);
    }

    /* FAQ 手风琴面板 */
    .faq-accordion-list {
      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;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .faq-question-btn {
      width: 100%;
      padding: 20px 24px;
      text-align: left;
      background: none;
      border: none;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      gap: 16px;
    }

    .faq-question-btn:hover {
      color: var(--accent-hot);
    }

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

    .faq-item.active .faq-arrow-icon {
      transform: rotate(180deg);
    }

    .faq-answer-box {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
      background: #fdfbfe;
    }

    .faq-item.active .faq-answer-box {
      max-height: 300px;
    }

    .faq-answer-content {
      padding: 0 24px 20px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 需求表单与联系我们 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      overflow: hidden;
    }

    .contact-sidebar {
      background: linear-gradient(145deg, #180d2b 0%, #2f104d 100%);
      color: #ffffff;
      padding: 40px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-sidebar h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 14px;
    }

    .contact-sidebar p {
      font-size: 0.95rem;
      color: #d1c4e9;
      margin-bottom: 30px;
    }

    .contact-channel-list {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .contact-channel-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
    }

    .channel-icon {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      color: var(--accent-cyan);
      font-size: 1.1rem;
    }

    .channel-info h5 {
      font-size: 0.85rem;
      color: #a78bfa;
      margin-bottom: 2px;
    }

    .channel-info span {
      font-size: 0.95rem;
      color: #ffffff;
      font-weight: 600;
    }

    .qr-container {
      margin-top: 30px;
      padding: 16px;
      background: #ffffff;
      border-radius: var(--radius-md);
      display: inline-block;
      max-width: 140px;
      text-align: center;
    }

    .qr-container img {
      width: 100%;
      height: auto;
      border-radius: 4px;
    }

    .qr-container span {
      display: block;
      font-size: 0.75rem;
      color: var(--text-main);
      margin-top: 6px;
      font-weight: 700;
    }

    .contact-form-area {
      padding: 40px;
    }

    .contact-form-area h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 20px;
      color: var(--text-main);
    }

    .form-group-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-bottom: 18px;
    }

    .form-control-item {
      display: flex;
      flex-direction: column;
      gap: 6px;
      margin-bottom: 18px;
    }

    .form-control-item label {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-control-item input,
    .form-control-item select,
    .form-control-item textarea {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-bright);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      font-family: inherit;
      background: #faf7ff;
      color: var(--text-main);
      transition: var(--transition);
    }

    .form-control-item input:focus,
    .form-control-item select:focus,
    .form-control-item textarea:focus {
      outline: none;
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(121, 40, 202, 0.1);
    }

    .form-btn-submit {
      width: 100%;
      padding: 14px;
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
      background: var(--primary-gradient);
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 8px 20px rgba(255, 0, 122, 0.25);
      transition: var(--transition);
    }

    .form-btn-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(255, 0, 122, 0.35);
    }

    /* 行业资讯与文章模块 */
    .article-section {
      background: rgba(255, 255, 255, 0.7);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .articles-list-box {
      display: flex;
      flex-direction: column;
      gap: 12px;
      max-width: 900px;
      margin: 0 auto;
    }

    .article-link-card {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px 20px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      transition: var(--transition);
    }

    .article-link-card:hover {
      border-color: var(--accent-hot);
      transform: translateX(4px);
      box-shadow: var(--shadow-sm);
    }

    .article-title-text {
      font-size: 0.98rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .article-tag-label {
      font-size: 0.8rem;
      color: var(--accent-hot);
      background: rgba(255, 0, 122, 0.06);
      padding: 3px 8px;
      border-radius: 4px;
      margin-left: 12px;
    }

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

    .footer-main-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
    }

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

    .footer-col ul a {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .footer-col ul a:hover {
      color: var(--accent-hot);
    }

    .friend-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .friend-links-wrap a {
      font-size: 0.88rem;
      padding: 4px 12px;
      background: #faf7ff;
      border: 1px solid var(--border-color);
      border-radius: 4px;
      color: var(--text-muted);
    }

    .friend-links-wrap a:hover {
      color: var(--accent-hot);
      border-color: var(--accent-hot);
    }

    .footer-bottom-bar {
      border-top: 1px solid var(--border-color);
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.85rem;
      color: var(--text-light);
    }

    /* 悬浮客服面板 */
    .floating-tools {
      position: fixed;
      right: 24px;
      bottom: 40px;
      z-index: 99;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-bright);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      cursor: pointer;
      transition: var(--transition);
      font-size: 1.2rem;
      position: relative;
    }

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

    .float-tooltip {
      position: absolute;
      right: 60px;
      background: #18181b;
      color: #ffffff;
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      font-size: 0.85rem;
      white-space: nowrap;
      pointer-events: none;
      opacity: 0;
      transition: var(--transition);
    }

    .float-btn:hover .float-tooltip {
      opacity: 1;
      right: 56px;
    }

    /* 响应式媒体查询 */
    @media (max-width: 1024px) {
      .hero-title {
        font-size: 2.3rem;
      }
      .grid-3-col {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-4-col {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(3, 1fr);
      }
      .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-main-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .header-inner {
        height: 64px;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links a {
        width: 100%;
        padding: 10px 0;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .hero-title {
        font-size: 1.85rem;
      }
      .hero-stats-panel {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        padding: 20px;
      }
      .grid-3-col, .grid-4-col, .cases-grid, .testimonial-grid {
        grid-template-columns: 1fr;
      }
      .process-timeline {
        grid-template-columns: 1fr;
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .form-group-row {
        grid-template-columns: 1fr;
      }
      .review-score-hero {
        flex-direction: column;
        text-align: center;
        gap: 20px;
      }
      .score-badge-area {
        flex-direction: column;
      }
      .footer-main-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .footer-bottom-bar {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
    }