:root {
      --primary: #00c853;
      --primary-dark: #009624;
      --primary-light: #69f0ae;
      --primary-subtle: #e8f5e9;
      --accent: #10b981;
      --accent-glow: rgba(0, 200, 83, 0.25);
      --dark: #0f172a;
      --dark-muted: #334155;
      --text: #1e293b;
      --text-light: #64748b;
      --bg: #f8fafc;
      --bg-white: #ffffff;
      --border: #e2e8f0;
      --border-emerald: #a7f3d0;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
      --shadow-md: 0 4px 12px -2px rgba(0,0,0,0.08), 0 2px 6px -1px rgba(0,0,0,0.04);
      --shadow-lg: 0 12px 24px -4px rgba(0, 200, 83, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.05);
      --radius: 12px;
      --radius-lg: 18px;
      --transition: all 0.28s ease;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg);
      color: var(--text);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

    ul, ol {
      list-style: none;
    }

    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    .section {
      padding: 80px 0;
      position: relative;
    }

    .section-alt {
      background-color: #ffffff;
      border-top: 1px solid #edf2f7;
      border-bottom: 1px solid #edf2f7;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      background: var(--primary-subtle);
      color: var(--primary-dark);
      border: 1px solid var(--border-emerald);
      border-radius: 9999px;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 16px;
    }

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

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--dark);
      line-height: 1.3;
      margin-bottom: 14px;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-light);
      max-width: 720px;
      margin-bottom: 48px;
    }

    .text-center {
      text-align: center;
    }
    .text-center .section-desc {
      margin-left: auto;
      margin-right: auto;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(0, 200, 83, 0.15);
      box-shadow: var(--shadow-sm);
    }

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

    .brand-logo-area {
      display: flex;
      align-items: center;
      gap: 12px;
      min-width: 180px;
    }

    .brand-logo-area img {
      max-height: 38px;
      width: auto;
      object-fit: contain;
    }

    .brand-name {
      font-size: 20px;
      font-weight: 800;
      color: var(--dark);
      letter-spacing: -0.5px;
    }

    .brand-name span {
      color: var(--primary);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }

    .nav-links li a {
      display: inline-block;
      padding: 10px 14px;
      font-size: 14px;
      font-weight: 500;
      color: var(--dark-muted);
      border-radius: 6px;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary-dark);
      background: var(--primary-subtle);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 20px;
      font-size: 14px;
      font-weight: 600;
      border-radius: 8px;
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, #00b0ff 100%);
      background: var(--primary);
      color: #ffffff;
      box-shadow: 0 4px 14px var(--accent-glow);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
      box-shadow: 0 6px 18px rgba(0, 200, 83, 0.35);
    }

    .btn-outline {
      border-color: var(--primary);
      color: var(--primary-dark);
      background: transparent;
    }

    .btn-outline:hover {
      background: var(--primary-subtle);
    }

    .btn-lg {
      padding: 14px 30px;
      font-size: 16px;
      border-radius: 10px;
    }

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

    .nav-toggle svg {
      width: 24px;
      height: 24px;
      fill: var(--dark);
    }

    /* 首屏 Hero 区域 - 零图片纯高能科技视觉 */
    .hero-section {
      background: radial-gradient(circle at 80% 20%, rgba(105, 240, 174, 0.18) 0%, transparent 45%),
                  radial-gradient(circle at 10% 80%, rgba(0, 200, 83, 0.12) 0%, transparent 40%),
                  linear-gradient(180deg, #f0fdf4 0%, #f8fafc 100%);
      padding: 90px 0 80px 0;
      position: relative;
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }

    .hero-h1 {
      font-size: 42px;
      font-weight: 900;
      line-height: 1.25;
      color: var(--dark);
      letter-spacing: -0.8px;
      margin-bottom: 20px;
    }

    .hero-h1 span {
      background: linear-gradient(135deg, #009624 0%, #00c853 50%, #059669 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 17px;
      color: var(--dark-muted);
      line-height: 1.7;
      margin-bottom: 32px;
      font-weight: 400;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      margin-bottom: 36px;
    }

    .hero-features-row {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      border-top: 1px solid var(--border-emerald);
      padding-top: 24px;
    }

    .feature-tag {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--dark-muted);
      font-weight: 500;
    }

    .feature-tag-icon {
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: var(--primary-subtle);
      color: var(--primary-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 11px;
      font-weight: bold;
    }

    .hero-display-card {
      background: #ffffff;
      border: 1px solid rgba(0, 200, 83, 0.3);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: 0 20px 40px -15px rgba(0, 200, 83, 0.18);
      position: relative;
    }

    .hero-stat-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 20px;
      border-bottom: 1px solid var(--border);
      margin-bottom: 20px;
    }

    .hero-stat-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--dark);
    }

    .hero-stat-badge {
      font-size: 12px;
      background: #dcfce7;
      color: #15803d;
      padding: 4px 10px;
      border-radius: 20px;
      font-weight: 600;
    }

    .hero-stat-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .hero-stat-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: #f8fafc;
      padding: 12px 16px;
      border-radius: 8px;
      border: 1px solid #f1f5f9;
    }

    .hero-stat-label {
      font-size: 14px;
      color: var(--dark-muted);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .hero-stat-val {
      font-size: 15px;
      font-weight: 700;
      color: var(--primary-dark);
    }

    .models-marquee-title {
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--text-light);
      margin-top: 20px;
      margin-bottom: 10px;
      font-weight: 600;
    }

    .model-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .model-pill {
      font-size: 11px;
      padding: 4px 8px;
      background: #f1f5f9;
      color: #334155;
      border-radius: 4px;
      font-weight: 600;
      border: 1px solid #e2e8f0;
    }

    /* 数据指标板块 */
    .metrics-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background: #ffffff;
      border-radius: var(--radius);
      padding: 30px;
      margin-top: -30px;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-emerald);
      position: relative;
      z-index: 10;
    }

    .metric-col {
      text-align: center;
      border-right: 1px solid #f1f5f9;
      padding: 0 10px;
    }
    .metric-col:last-child {
      border-right: none;
    }

    .metric-num {
      font-size: 32px;
      font-weight: 900;
      color: var(--dark);
      line-height: 1;
      margin-bottom: 6px;
    }
    .metric-num em {
      color: var(--primary);
      font-style: normal;
      font-size: 20px;
      margin-left: 2px;
    }

    .metric-title {
      font-size: 13px;
      color: var(--text-light);
      font-weight: 500;
    }

    /* 场景与能力卡片网格 */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 28px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }

    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: var(--primary-subtle);
      color: var(--primary-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 20px;
      font-weight: 700;
    }

    .card-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 10px;
    }

    .card-desc {
      font-size: 14px;
      color: var(--text-light);
      line-height: 1.6;
      flex-grow: 1;
      margin-bottom: 16px;
    }

    .card-footer-tag {
      font-size: 12px;
      color: var(--primary-dark);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 平台优势与一站式制作 */
    .workflow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

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

    .step-no {
      font-size: 28px;
      font-weight: 900;
      color: var(--primary-light);
      line-height: 1;
      margin-bottom: 12px;
    }

    .step-item h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 8px;
    }

    .step-item p {
      font-size: 13px;
      color: var(--text-light);
      line-height: 1.5;
    }

    /* 对比评测卡片与表格 */
    .eval-highlight {
      background: linear-gradient(135deg, #ecfdf5 0%, #ffffff 100%);
      border: 2px solid var(--primary);
      border-radius: var(--radius-lg);
      padding: 36px;
      margin-bottom: 36px;
      display: grid;
      grid-template-columns: 280px 1fr;
      gap: 36px;
      align-items: center;
    }

    .eval-score-box {
      background: #ffffff;
      padding: 28px;
      border-radius: var(--radius);
      text-align: center;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-emerald);
    }

    .eval-score-num {
      font-size: 56px;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 6px;
    }

    .eval-score-num sub {
      font-size: 16px;
      color: var(--text-light);
      font-weight: 500;
    }

    .eval-stars {
      color: #f59e0b;
      font-size: 20px;
      letter-spacing: 2px;
      margin-bottom: 8px;
    }

    .eval-score-label {
      font-size: 14px;
      font-weight: 700;
      color: var(--dark);
    }

    .eval-desc-title {
      font-size: 20px;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 10px;
    }

    .eval-desc-text {
      font-size: 14px;
      color: var(--dark-muted);
      line-height: 1.7;
      margin-bottom: 16px;
    }

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

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

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

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

    .eval-table th.brand-col,
    .eval-table td.brand-col {
      background: #f0fdf4;
      color: var(--primary-dark);
      font-weight: 700;
    }

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

    .status-ok {
      color: var(--primary);
      font-weight: bold;
    }
    .status-no {
      color: #94a3b8;
    }

    /* 案例图片展示区 (首屏以外) */
    .case-gallery {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      align-items: stretch;
    }

    .case-item {
      background: #ffffff;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .case-item:hover {
      box-shadow: var(--shadow-lg);
      border-color: var(--primary);
    }

    .case-image-box {
      width: 100%;
      overflow: hidden;
      background: #f1f5f9;
    }

    .case-image-box img {
      width: 100%;
      height: 240px;
      object-fit: cover;
      display: block;
      transition: var(--transition);
    }

    .case-item:hover .case-image-box img {
      transform: scale(1.03);
    }

    .case-body {
      padding: 20px;
      flex-grow: 1;
    }

    .case-tag {
      font-size: 12px;
      color: var(--primary-dark);
      background: var(--primary-subtle);
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
    }

    .case-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--dark);
      margin-top: 10px;
      margin-bottom: 6px;
    }

    .case-desc {
      font-size: 13px;
      color: var(--text-light);
    }

    /* 客户评价板块 (6条评论) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-text {
      font-size: 14px;
      color: var(--dark-muted);
      line-height: 1.7;
      margin-bottom: 18px;
      font-style: normal;
    }

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

    .review-avatar-char {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary) 0%, #059669 100%);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 16px;
    }

    .review-meta h5 {
      font-size: 14px;
      font-weight: 700;
      color: var(--dark);
    }

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

    /* FAQ 折叠手风琴 */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

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

    .faq-item.active {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 700;
      color: var(--dark);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

    .faq-question:hover {
      color: var(--primary-dark);
    }

    .faq-icon {
      font-size: 18px;
      font-weight: 400;
      color: var(--text-light);
      transition: var(--transition);
    }

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

    .faq-answer {
      display: none;
      padding: 0 24px 20px 24px;
      font-size: 14px;
      color: var(--dark-muted);
      line-height: 1.7;
      border-top: 1px solid #f8fafc;
    }

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

    /* 需求匹配与提交表单 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      border: 1px solid var(--border-emerald);
      box-shadow: var(--shadow-lg);
    }

    .contact-info-col h3 {
      font-size: 24px;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 12px;
    }

    .contact-info-col p {
      font-size: 14px;
      color: var(--text-light);
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .contact-methods {
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 28px;
    }

    .c-method-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 14px;
      color: var(--dark);
    }

    .c-badge {
      background: var(--primary-subtle);
      color: var(--primary-dark);
      padding: 4px 8px;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 600;
    }

    .qr-box {
      display: flex;
      align-items: center;
      gap: 20px;
      background: #f8fafc;
      padding: 16px;
      border-radius: var(--radius);
      border: 1px solid #e2e8f0;
    }

    .qr-img-wrapper {
      width: 90px;
      height: 90px;
      border-radius: 6px;
      overflow: hidden;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      display: flex;
      align-items: center;
      justify-content: center;
    }

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

    .qr-text-meta h5 {
      font-size: 14px;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 4px;
    }

    .qr-text-meta p {
      font-size: 12px;
      color: var(--text-light);
      margin-bottom: 0;
    }

    /* 表单组件 */
    .form-group {
      margin-bottom: 18px;
    }

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

    .form-control {
      width: 100%;
      padding: 11px 14px;
      font-size: 14px;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: #f8fafc;
      transition: var(--transition);
      outline: none;
      color: var(--text);
    }

    .form-control:focus {
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px var(--accent-glow);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 90px;
    }

    /* 行业资讯与文章 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .article-card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .article-title-link {
      font-size: 16px;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 8px;
      display: block;
    }

    .article-title-link:hover {
      color: var(--primary);
    }

    .article-snippet {
      font-size: 13px;
      color: var(--text-light);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .article-links-box {
      border-top: 1px solid #f1f5f9;
      padding-top: 12px;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .article-item-link {
      font-size: 12px;
      color: var(--primary-dark);
      background: var(--primary-subtle);
      padding: 3px 8px;
      border-radius: 4px;
    }

    .article-item-link:hover {
      background: var(--primary);
      color: #ffffff;
    }

    /* 底部专属统一容器 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding-top: 60px;
      padding-bottom: 30px;
      border-top: 3px solid var(--primary);
    }

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

    .footer-brand h4 {
      font-size: 20px;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 14px;
    }

    .footer-brand h4 span {
      color: var(--primary);
    }

    .footer-brand p {
      font-size: 13px;
      line-height: 1.7;
      color: #94a3b8;
      max-width: 320px;
    }

    .footer-col h5 {
      font-size: 14px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 18px;
      letter-spacing: 0.5px;
    }

    .footer-links-list {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links-list a {
      font-size: 13px;
      color: #94a3b8;
    }

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

    .friend-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 8px 14px;
    }

    .friend-links-wrap a {
      font-size: 12px;
      color: #64748b;
    }

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

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      color: #64748b;
    }

    .footer-bottom a {
      color: #94a3b8;
    }

    /* 浮动客服入口 */
    .float-service-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      box-shadow: 0 4px 16px rgba(0,0,0,0.15);
      border: 1px solid var(--border-emerald);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-dark);
      cursor: pointer;
      position: relative;
      transition: var(--transition);
    }

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

    .float-popover {
      display: none;
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 16px;
      box-shadow: var(--shadow-lg);
      width: 180px;
      text-align: center;
    }

    .float-btn:hover .float-popover {
      display: block;
    }

    .float-popover img {
      width: 140px;
      height: 140px;
      display: block;
      margin: 0 auto 8px auto;
      border-radius: 4px;
    }

    .float-popover p {
      font-size: 12px;
      color: var(--dark);
      font-weight: 600;
    }

    /* 移动端与响应式适配 */
    @media (max-width: 992px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .metrics-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
      }
      .service-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .workflow-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .eval-highlight {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .section {
        padding: 50px 0;
      }
      .section-title {
        font-size: 24px;
      }
      .hero-h1 {
        font-size: 28px;
      }
      .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        padding: 16px;
      }
      .nav-links.show {
        display: flex;
      }
      .nav-toggle {
        display: block;
      }
      .service-grid,
      .reviews-grid,
      .articles-grid,
      .case-gallery {
        grid-template-columns: 1fr;
      }
      .metrics-bar {
        grid-template-columns: 1fr;
        margin-top: 20px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
      }
    }