:root {
      --primary-cyan: #0d9488;
      --primary-cyan-dark: #0f766e;
      --primary-cyan-light: #14b8a6;
      --accent-teal: #06b6d4;
      --bg-light: #f8fafc;
      --bg-white: #ffffff;
      --bg-card: #f0fdfa;
      --border-color: #ccfbf1;
      --border-subtle: #e2e8f0;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --shadow-sm: 0 2px 8px rgba(13, 148, 136, 0.08);
      --shadow-md: 0 10px 25px -5px rgba(13, 148, 136, 0.12), 0 8px 10px -6px rgba(13, 148, 136, 0.06);
      --container-max: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

    body {
      background-color: var(--bg-light);
      color: var(--text-main);
      line-height: 1.65;
      font-size: 15px;
      overflow-x: hidden;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    }

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

    .brand-group {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
      color: var(--text-main);
    }

    .brand-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--primary-cyan-dark);
      letter-spacing: -0.5px;
    }

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

    .nav-links a {
      display: inline-block;
      padding: 8px 12px;
      color: var(--text-muted);
      text-decoration: none;
      font-size: 14px;
      font-weight: 500;
      transition: color 0.2s ease, background-color 0.2s ease;
      border-radius: 6px;
    }

    .nav-links a:hover {
      color: var(--primary-cyan);
      background: var(--bg-card);
    }

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

    .btn-nav-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--primary-cyan), var(--primary-cyan-dark));
      color: #ffffff;
      padding: 8px 18px;
      font-size: 14px;
      font-weight: 600;
      border-radius: 8px;
      text-decoration: none;
      box-shadow: 0 4px 12px rgba(13, 148, 136, 0.25);
      transition: all 0.25s ease;
    }

    .btn-nav-primary:hover {
      transform: translateY(-1px);
      box-shadow: 0 6px 16px rgba(13, 148, 136, 0.35);
    }

    .mobile-menu-toggle {
      display: none;
      background: transparent;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      padding: 6px 10px;
      font-size: 18px;
      color: var(--primary-cyan-dark);
      cursor: pointer;
    }

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

    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 50px auto;
    }

    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 20px;
      color: var(--primary-cyan-dark);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.5px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 首屏 HERO (严禁图片) */
    .hero-section {
      background: radial-gradient(circle at 50% 20%, #f0fdfa 0%, #ffffff 70%, #f8fafc 100%);
      padding: 100px 0 85px 0;
      border-bottom: 1px solid var(--border-color);
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .hero-section::before {
      content: "";
      position: absolute;
      top: -100px;
      left: 50%;
      transform: translateX(-50%);
      width: 700px;
      height: 400px;
      background: radial-gradient(rgba(20, 184, 166, 0.15), transparent 70%);
      pointer-events: none;
      border-radius: 50%;
    }

    .hero-badge-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid #99f6e4;
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 13px;
      color: var(--primary-cyan-dark);
      font-weight: 600;
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

    .hero-title {
      font-size: 42px;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 22px;
      letter-spacing: -1px;
    }

    .hero-title span {
      background: linear-gradient(135deg, var(--primary-cyan-dark), var(--accent-teal));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 18px;
      color: var(--text-muted);
      max-width: 820px;
      margin: 0 auto 36px auto;
      line-height: 1.8;
    }

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

    .hero-btn-official {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: linear-gradient(135deg, #0d9488, #0f766e);
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
      padding: 14px 34px;
      border-radius: 10px;
      text-decoration: none;
      box-shadow: 0 10px 25px rgba(13, 148, 136, 0.3);
      transition: all 0.25s ease;
    }

    .hero-btn-official:hover {
      background: linear-gradient(135deg, #0f766e, #115e59);
      transform: translateY(-2px);
      box-shadow: 0 14px 28px rgba(13, 148, 136, 0.38);
    }

    .hero-btn-secondary {
      display: inline-flex;
      align-items: center;
      background: #ffffff;
      color: var(--primary-cyan-dark);
      border: 1px solid #99f6e4;
      font-size: 16px;
      font-weight: 600;
      padding: 13px 30px;
      border-radius: 10px;
      text-decoration: none;
      transition: all 0.25s ease;
    }

    .hero-btn-secondary:hover {
      background: var(--bg-card);
      border-color: var(--primary-cyan);
    }

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

    .metric-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 24px 16px;
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }

    .metric-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-cyan);
    }

    .metric-val {
      font-size: 28px;
      font-weight: 800;
      color: var(--primary-cyan-dark);
      margin-bottom: 4px;
      font-family: Arial, sans-serif;
    }

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

    /* 平台介绍与概览 */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .intro-content h3 {
      font-size: 24px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .intro-content p {
      color: var(--text-muted);
      margin-bottom: 16px;
      line-height: 1.8;
    }

    .intro-feature-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 20px;
    }

    .intro-feature-list li {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--text-main);
      background: #ffffff;
      padding: 10px 14px;
      border-radius: 8px;
      border: 1px solid var(--border-subtle);
    }

    .intro-feature-list li::before {
      content: "✓";
      color: var(--primary-cyan);
      font-weight: bold;
    }

    .intro-media-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 16px;
      box-shadow: var(--shadow-sm);
    }

    .intro-media-card img {
      width: 100%;
      border-radius: 10px;
      display: block;
    }

    /* 模型矩阵与胶囊墙 */
    .model-pills-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 14px;
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .model-pills-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      text-align: center;
    }

    .pill-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }

    .model-tag {
      background: var(--bg-card);
      border: 1px solid #ccfbf1;
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 13px;
      color: var(--primary-cyan-dark);
      font-weight: 600;
      transition: all 0.2s ease;
    }

    .model-tag:hover {
      background: var(--primary-cyan);
      color: #ffffff;
      transform: scale(1.04);
    }

    /* AIGC 服务与场景网格 (涵盖30个核心场景) */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-box {
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      border-radius: 14px;
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-box:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-cyan-light);
    }

    .service-box h4 {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary-cyan-dark);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .service-box p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .service-badge {
      display: inline-block;
      align-self: flex-start;
      font-size: 12px;
      background: #f0fdfa;
      color: var(--primary-cyan);
      border: 1px solid #ccfbf1;
      padding: 4px 10px;
      border-radius: 6px;
      font-weight: 500;
    }

    /* 一站式制作工作流 */
    .flow-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .flow-step-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 24px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-number {
      width: 44px;
      height: 44px;
      background: linear-gradient(135deg, var(--primary-cyan), var(--primary-cyan-dark));
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 800;
      margin: 0 auto 16px auto;
    }

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

    .flow-step-item p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 对比评测板块 */
    .review-score-banner {
      background: linear-gradient(135deg, #042f2e, #0f766e);
      border-radius: 16px;
      padding: 32px 40px;
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 30px;
      box-shadow: var(--shadow-md);
    }

    .score-left h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 8px;
      color: #ffffff;
    }

    .score-left p {
      color: #ccfbf1;
      font-size: 14px;
    }

    .score-val-wrap {
      text-align: right;
    }

    .score-num {
      font-size: 48px;
      font-weight: 900;
      color: #5eead4;
      line-height: 1;
      font-family: Arial, sans-serif;
    }

    .score-num span {
      font-size: 20px;
      color: #ffffff;
      font-weight: 400;
    }

    .score-stars {
      color: #facc15;
      font-size: 18px;
      margin-top: 4px;
    }

    .comparison-table-wrapper {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 14px;
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

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

    .comparison-table th,
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f1f5f9;
    }

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

    .comparison-table td.highlight {
      background: #f0fdfa;
      color: var(--primary-cyan-dark);
      font-weight: 700;
    }

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

    .case-card {
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      border-radius: 14px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease;
    }

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

    .case-media {
      width: 100%;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background: #e2e8f0;
    }

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

    .case-body {
      padding: 20px;
    }

    .case-cat {
      font-size: 12px;
      color: var(--primary-cyan);
      font-weight: 600;
      margin-bottom: 6px;
      display: inline-block;
    }

    .case-body h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .case-body p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Token 比价与需求匹配 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 14px;
      padding: 28px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .token-card.featured {
      border: 2px solid var(--primary-cyan);
      box-shadow: var(--shadow-md);
    }

    .token-card.featured::before {
      content: "最受欢迎";
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary-cyan);
      color: #ffffff;
      font-size: 11px;
      font-weight: 700;
      padding: 2px 12px;
      border-radius: 12px;
    }

    .token-card h4 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .token-price {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary-cyan-dark);
      margin: 16px 0;
      font-family: Arial, sans-serif;
    }

    .token-price span {
      font-size: 14px;
      color: var(--text-light);
      font-weight: 400;
    }

    .token-features {
      list-style: none;
      text-align: left;
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    .token-features li {
      padding: 8px 0;
      border-bottom: 1px dashed #e2e8f0;
    }

    /* 用户评论 (6条) */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .testi-card {
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      border-radius: 14px;
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .testi-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .avatar-mock {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--bg-card);
      border: 2px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary-cyan-dark);
      font-size: 16px;
    }

    .testi-meta h5 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }

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

    .testi-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* FAQ 折叠面板 (不少于10条) */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      text-align: left;
      background: #ffffff;
      border: none;
      padding: 18px 24px;
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      transition: background 0.2s ease;
    }

    .faq-question:hover {
      background: var(--bg-card);
    }

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

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: #fafafa;
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.7;
      padding: 0 24px;
    }

    .faq-item.active .faq-answer {
      max-height: 240px;
      padding: 14px 24px 20px 24px;
      border-top: 1px solid #f1f5f9;
    }

    /* 最新文章与行业资讯 */
    .news-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 30px;
    }

    .news-main-list {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 14px;
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .news-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 0;
      border-bottom: 1px solid #f1f5f9;
      font-size: 14px;
    }

    .news-item:last-child {
      border-bottom: none;
    }

    .news-item a {
      color: var(--text-main);
      text-decoration: none;
      font-weight: 500;
      transition: color 0.2s ease;
    }

    .news-item a:hover {
      color: var(--primary-cyan);
    }

    .news-date {
      color: var(--text-light);
      font-size: 12px;
      white-space: nowrap;
      margin-left: 16px;
    }

    .news-sidebar {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 14px;
      padding: 24px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .news-sidebar h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--primary-cyan-dark);
    }

    .news-link-btn {
      display: inline-block;
      background: #ffffff;
      border: 1px solid var(--border-color);
      color: var(--primary-cyan-dark);
      text-decoration: none;
      padding: 8px 12px;
      border-radius: 8px;
      font-size: 13px;
      font-weight: 600;
      transition: all 0.2s ease;
    }

    .news-link-btn:hover {
      background: var(--primary-cyan);
      color: #ffffff;
    }

    /* 表单与联系我们 */
    .contact-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 16px;
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
    }

    .form-wrapper {
      padding: 40px;
    }

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

    .form-group label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-subtle);
      border-radius: 8px;
      font-size: 14px;
      color: var(--text-main);
      background: #fafafa;
      outline: none;
      transition: border-color 0.2s ease, background 0.2s ease;
    }

    .form-control:focus {
      border-color: var(--primary-cyan);
      background: #ffffff;
    }

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

    .btn-submit {
      display: inline-block;
      width: 100%;
      background: linear-gradient(135deg, var(--primary-cyan), var(--primary-cyan-dark));
      color: #ffffff;
      border: none;
      padding: 14px;
      font-size: 16px;
      font-weight: 700;
      border-radius: 8px;
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(13, 148, 136, 0.3);
      transition: all 0.25s ease;
    }

    .btn-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(13, 148, 136, 0.4);
    }

    .contact-info-panel {
      background: #f0fdfa;
      border-left: 1px solid var(--border-color);
      padding: 40px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .info-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
      font-size: 14px;
      color: var(--text-muted);
    }

    .info-list strong {
      color: var(--text-main);
    }

    .qrcode-box {
      text-align: center;
      margin-top: 24px;
      padding: 16px;
      background: #ffffff;
      border-radius: 12px;
      border: 1px solid var(--border-color);
    }

    .qrcode-box img {
      max-width: 130px;
      height: auto;
      display: block;
      margin: 0 auto 8px auto;
    }

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

    /* 页脚与友情链接规范 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-subtle);
      padding: 40px 0 28px 0;
      color: var(--text-muted);
    }

    .footer-inner {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

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

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
      color: var(--text-main);
      font-weight: 700;
      font-size: 18px;
    }

    .friend-links-bar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
      font-size: 13px;
    }

    .friend-links-bar span {
      color: var(--text-main);
      font-weight: 600;
    }

    .friend-links-bar a {
      color: var(--text-light);
      text-decoration: none;
      transition: color 0.2s ease;
    }

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

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

    /* 浮动组件与返回顶部 */
    .float-widget {
      position: fixed;
      right: 20px;
      bottom: 24px;
      z-index: 990;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 44px;
      height: 44px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 50%;
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-cyan-dark);
      cursor: pointer;
      text-decoration: none;
      font-size: 18px;
      transition: all 0.2s ease;
    }

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

    /* 响应式调整 */
    @media (max-width: 992px) {
      .services-grid,
      .case-grid,
      .token-grid,
      .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .intro-grid,
      .contact-container,
      .news-grid {
        grid-template-columns: 1fr;
      }
      .contact-info-panel {
        border-left: none;
        border-top: 1px solid var(--border-color);
      }
      .flow-steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-title {
        font-size: 32px;
      }
      .hero-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav-links,
      .nav-actions {
        display: none;
      }
      .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .mobile-menu-toggle {
        display: block;
      }
      .services-grid,
      .case-grid,
      .token-grid,
      .testimonial-grid,
      .flow-steps-grid {
        grid-template-columns: 1fr;
      }
      .hero-section {
        padding: 60px 0 50px 0;
      }
      .hero-title {
        font-size: 26px;
      }
      .hero-metrics-grid {
        grid-template-columns: 1fr;
      }
      .review-score-banner {
        flex-direction: column;
        text-align: center;
        gap: 16px;
      }
      .score-val-wrap {
        text-align: center;
      }
    }