:root {
      --primary-yellow: #FFCC00;
      --primary-hover: #E6B800;
      --accent-black: #111111;
      --text-main: #222222;
      --text-muted: #555555;
      --bg-page: #FFFDF5;
      --bg-section-alt: #FBF8EE;
      --bg-card: #FFFFFF;
      --border-color: #EFE8D3;
      --border-accent: #FFCC00;
      --shadow-sm: 0 4px 12px rgba(17, 17, 17, 0.05);
      --shadow-hover: 0 12px 28px rgba(255, 204, 0, 0.22);
      --container-max: 1200px;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 18px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
    }

    body {
      line-height: 1.6;
      background-color: var(--bg-page);
      overflow-x: hidden;
    }

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

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 253, 245, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 2px solid var(--primary-yellow);
      box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    }

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

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

    .brand-logo-container {
      height: 40px;
      display: flex;
      align-items: center;
    }

    .brand-title {
      font-size: 1.3rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--accent-black);
    }

    .brand-tag {
      background: var(--primary-yellow);
      color: var(--accent-black);
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
    }

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

    .nav-links a {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      display: inline-block;
    }

    .nav-links a:hover {
      background: rgba(255, 204, 0, 0.2);
      color: var(--accent-black);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
      font-weight: 700;
      padding: 10px 22px;
      border-radius: 30px;
      cursor: pointer;
      border: 2px solid transparent;
      transition: all 0.25s ease;
      text-align: center;
    }

    .btn-primary {
      background-color: var(--primary-yellow);
      color: var(--accent-black);
      border-color: var(--primary-yellow);
      box-shadow: 0 4px 14px rgba(255, 204, 0, 0.4);
    }

    .btn-primary:hover {
      background-color: var(--primary-hover);
      border-color: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 204, 0, 0.55);
    }

    .btn-outline {
      background-color: transparent;
      color: var(--accent-black);
      border-color: var(--accent-black);
    }

    .btn-outline:hover {
      background-color: var(--accent-black);
      color: #FFFFFF;
      transform: translateY(-2px);
    }

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

    .mobile-menu-btn span {
      display: block;
      width: 24px;
      height: 3px;
      background-color: var(--accent-black);
      margin: 5px 0;
      transition: 0.3s;
      border-radius: 2px;
    }

    /* 区域通用样式 */
    section {
      padding: 80px 0;
      position: relative;
    }

    .section-alt {
      background-color: var(--bg-section-alt);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .section-head {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 52px auto;
    }

    .badge-sub {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      padding: 4px 14px;
      background-color: #FFF2B2;
      color: #664d00;
      border-radius: 20px;
      margin-bottom: 12px;
      border: 1px solid rgba(255, 204, 0, 0.6);
    }

    .section-head h2 {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--accent-black);
      line-height: 1.3;
      margin-bottom: 14px;
    }

    .section-head p {
      font-size: 1.05rem;
      color: var(--text-muted);
    }

    /* 首屏 Hero (无图片) */
    .hero-section {
      padding: 100px 0 90px 0;
      background: radial-gradient(circle at 80% 20%, rgba(255, 238, 153, 0.5) 0%, transparent 60%),
                  radial-gradient(circle at 10% 80%, rgba(255, 204, 0, 0.25) 0%, transparent 50%),
                  var(--bg-page);
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }

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

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #FFFFFF;
      padding: 6px 18px;
      border-radius: 30px;
      font-size: 0.9rem;
      font-weight: 700;
      border: 2px solid var(--primary-yellow);
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-badge .dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background-color: #27ae60;
      display: inline-block;
      animation: pulseDot 2s infinite;
    }

    @keyframes pulseDot {
      0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(39, 174, 96, 0.7); }
      70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(39, 174, 96, 0); }
      100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(39, 174, 96, 0); }
    }

    .hero-title {
      font-size: 3rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--accent-black);
      margin-bottom: 24px;
      letter-spacing: -1px;
    }

    .hero-desc {
      font-size: 1.2rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .btn-hero-main {
      font-size: 1.15rem;
      padding: 16px 36px;
      border-radius: 40px;
      box-shadow: 0 6px 20px rgba(255, 204, 0, 0.55);
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 50px;
      padding-top: 40px;
      border-top: 1px dashed #D6CDAC;
    }

    .metric-card {
      background: rgba(255, 255, 255, 0.85);
      border: 1px solid var(--border-color);
      border-bottom: 4px solid var(--primary-yellow);
      border-radius: var(--radius-md);
      padding: 20px;
      transition: transform 0.25s ease;
    }

    .metric-card:hover {
      transform: translateY(-4px);
    }

    .metric-val {
      font-size: 2.1rem;
      font-weight: 900;
      color: var(--accent-black);
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .metric-name {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 平台矩阵网格 */
    .models-bar {
      padding: 30px 0;
      background: #FFF9DB;
      border-bottom: 1px solid var(--border-color);
    }

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

    .model-chip {
      background: #FFFFFF;
      border: 1px solid #E8DEB5;
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 700;
      color: #333333;
      transition: all 0.2s ease;
    }

    .model-chip:hover {
      background: var(--primary-yellow);
      color: var(--accent-black);
      border-color: var(--primary-yellow);
    }

    /* 平台介绍 */
    .about-box {
      background: #FFFFFF;
      border: 2px solid var(--primary-yellow);
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-sm);
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .about-text h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 18px;
      color: var(--accent-black);
    }

    .about-text p {
      font-size: 1rem;
      color: var(--text-muted);
      margin-bottom: 16px;
      line-height: 1.8;
    }

    .about-list {
      list-style: none;
      margin-top: 20px;
    }

    .about-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      margin-bottom: 12px;
      font-weight: 600;
      color: #333;
    }

    .about-list li svg {
      width: 20px;
      height: 20px;
      color: #997A00;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .about-stats-panel {
      background: var(--bg-section-alt);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .stat-point {
      border-left: 4px solid var(--primary-yellow);
      padding-left: 14px;
    }

    .stat-point h4 {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--accent-black);
    }

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

    /* 服务场景网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary-yellow);
    }

    .service-icon-box {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: #FFF3BD;
      color: #8A6D00;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
    }

    .service-card h3 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--accent-black);
      margin-bottom: 12px;
    }

    .service-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .service-tag {
      align-self: flex-start;
      font-size: 0.78rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 4px;
      background: #F4EED8;
      color: #61501A;
    }

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

    .step-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 22px;
      text-align: center;
      position: relative;
    }

    .step-num {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-yellow);
      color: var(--accent-black);
      font-weight: 900;
      font-size: 1.15rem;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px auto;
      box-shadow: 0 3px 8px rgba(255, 204, 0, 0.4);
    }

    .step-box h4 {
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .step-box p {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    /* 案例中心图文 */
    .case-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      align-items: stretch;
    }

    .case-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .case-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #EEE7D3;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

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

    .case-img-wrap img {
      max-width: 100%;
      height: auto;
      object-fit: cover;
      display: block;
      width: 100%;
    }

    .case-info {
      padding: 24px;
    }

    .case-info h4 {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .case-info p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 对比评测板块 */
    .eval-container {
      background: #FFFFFF;
      border: 2px solid var(--primary-yellow);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .eval-score-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #FFF8D4;
      border-radius: var(--radius-md);
      padding: 24px 30px;
      margin-bottom: 30px;
      border: 1px solid #F3E090;
    }

    .eval-score-left h3 {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--accent-black);
      margin-bottom: 6px;
    }

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

    .score-badge {
      display: flex;
      align-items: baseline;
      gap: 6px;
    }

    .score-badge .score-big {
      font-size: 3.2rem;
      font-weight: 900;
      color: #946C00;
      line-height: 1;
    }

    .score-badge .score-max {
      font-size: 1.2rem;
      font-weight: 700;
      color: #66521A;
    }

    .eval-stars {
      color: #D48800;
      font-size: 1.4rem;
      margin-top: 4px;
    }

    .compare-table-responsive {
      width: 100%;
      overflow-x: auto;
    }

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

    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.95rem;
    }

    .compare-table th {
      background: #FDF9EA;
      font-weight: 800;
      color: var(--accent-black);
    }

    .compare-table td.highlight-col {
      background: rgba(255, 204, 0, 0.08);
      font-weight: 700;
      color: #111111;
      border-left: 2px solid var(--primary-yellow);
      border-right: 2px solid var(--primary-yellow);
    }

    /* 需求匹配与表单 */
    .demand-form-box {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 40px;
      max-width: 780px;
      margin: 0 auto;
      box-shadow: var(--shadow-sm);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-group label {
      display: block;
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--accent-black);
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #D8D1B8;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      background: #FDFCFA;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
      color: var(--text-main);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary-yellow);
      box-shadow: 0 0 0 3px rgba(255, 204, 0, 0.3);
      background: #FFFFFF;
    }

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

    /* 用户评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
    }

    .review-card::before {
      content: "“";
      font-size: 3.5rem;
      line-height: 1;
      color: rgba(255, 204, 0, 0.4);
      position: absolute;
      top: 10px;
      right: 20px;
      font-family: Georgia, serif;
    }

    .review-content {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      position: relative;
      z-index: 1;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #F0EAD6;
      padding-top: 14px;
    }

    .reviewer-avatar-placeholder {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-yellow);
      color: var(--accent-black);
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
    }

    .reviewer-info h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--accent-black);
    }

    .reviewer-info span {
      font-size: 0.8rem;
      color: #888888;
    }

    /* FAQ 折叠面板 */
    .faq-container {
      max-width: 820px;
      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: border-color 0.2s ease;
    }

    .faq-item.active {
      border-color: var(--primary-yellow);
    }

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

    .faq-question:hover {
      background: #FFFAE6;
    }

    .faq-toggle-icon {
      font-size: 1.2rem;
      font-weight: 400;
      transition: transform 0.3s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
      background: #FFFDF9;
      border-top: 1px solid #FAF4E0;
    }

    .faq-item.active .faq-answer {
      max-height: 500px;
      transition: max-height 0.3s ease-in-out;
    }

    .faq-answer-inner {
      padding: 18px 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 资讯与百科文章 */
    .article-links-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
    }

    .articles-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 20px;
    }

    .article-item-link {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 14px 18px;
      border-radius: var(--radius-sm);
      background: #FAF6EA;
      border-left: 4px solid var(--primary-yellow);
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--accent-black);
    }

    .article-item-link:hover {
      background: #FFF3BD;
      transform: translateX(4px);
    }

    /* 宣传条 */
    .promo-banner {
      background: linear-gradient(135deg, #111111 0%, #2A2A2A 100%);
      color: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 48px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .promo-banner h3 {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary-yellow);
      margin-bottom: 14px;
    }

    .promo-banner p {
      color: #CCCCCC;
      font-size: 1.05rem;
      margin-bottom: 24px;
      line-height: 1.7;
    }

    .promo-media-container {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 2px solid rgba(255, 204, 0, 0.4);
    }

    .promo-media-container img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* 页脚 */
    .site-footer {
      background: #1A1A1A;
      color: #CCCCCC;
      padding: 60px 0 30px 0;
      border-top: 4px solid var(--primary-yellow);
    }

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

    .footer-brand h4 {
      color: #FFFFFF;
      font-size: 1.4rem;
      font-weight: 800;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .footer-brand p {
      font-size: 0.9rem;
      line-height: 1.7;
      color: #999999;
      margin-bottom: 16px;
    }

    .footer-col h5 {
      color: #FFFFFF;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 16px;
      position: relative;
      padding-bottom: 8px;
    }

    .footer-col h5::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 24px;
      height: 2px;
      background: var(--primary-yellow);
    }

    .footer-col ul {
      list-style: none;
    }

    .footer-col ul li {
      margin-bottom: 10px;
    }

    .footer-col ul li a {
      color: #AAAAAA;
      font-size: 0.9rem;
    }

    .footer-col ul li a:hover {
      color: var(--primary-yellow);
      padding-left: 4px;
    }

    .footer-qrcode-wrap {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 8px;
    }

    .footer-qrcode-img {
      width: 110px;
      height: 110px;
      background: #FFFFFF;
      padding: 6px;
      border-radius: var(--radius-sm);
    }

    .footer-qrcode-img img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      display: block;
    }

    .footer-bottom {
      border-top: 1px solid #2B2B2B;
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: #777777;
    }

    .friend-links-bar {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 16px;
      margin-bottom: 16px;
      padding-bottom: 16px;
      border-bottom: 1px solid #262626;
    }

    .friend-links-bar a {
      color: #888888;
      font-size: 0.85rem;
    }

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

    /* 浮动客服 */
    .float-kefu {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 99;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--primary-yellow);
      color: var(--accent-black);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 14px rgba(0,0,0,0.2);
      cursor: pointer;
      border: none;
      transition: transform 0.2s ease, background 0.2s ease;
      font-size: 1.2rem;
      font-weight: bold;
    }

    .float-btn:hover {
      transform: scale(1.1);
      background: var(--primary-hover);
    }

    .float-card-pop {
      display: none;
      position: absolute;
      right: 58px;
      bottom: 0;
      width: 200px;
      background: #FFFFFF;
      border: 2px solid var(--primary-yellow);
      border-radius: var(--radius-md);
      padding: 16px;
      box-shadow: var(--shadow-hover);
      text-align: center;
    }

    .float-kefu:hover .float-card-pop {
      display: block;
    }

    .float-card-pop img {
      width: 140px;
      height: 140px;
      margin: 0 auto 8px auto;
      display: block;
    }

    .float-card-pop p {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--accent-black);
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-title {
        font-size: 2.2rem;
      }
      .hero-metrics {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-flow {
        grid-template-columns: repeat(2, 1fr);
      }
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .about-grid, .promo-banner, .case-grid {
        grid-template-columns: 1fr;
      }
      .articles-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        padding: 20px;
        border-bottom: 2px solid var(--primary-yellow);
        box-shadow: 0 10px 20px rgba(0,0,0,0.08);
      }
      .nav-links.active {
        display: flex;
      }
      .mobile-menu-btn {
        display: block;
      }
      .hero-title {
        font-size: 1.8rem;
      }
      .hero-desc {
        font-size: 1rem;
      }
      .services-grid {
        grid-template-columns: 1fr;
      }
      .steps-flow {
        grid-template-columns: 1fr;
      }
      .hero-metrics {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .eval-score-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
      }
    }