:root {
      --primary: #1a56db;
      --primary-hover: #1442a6;
      --primary-light: #eff6ff;
      --accent: #2563eb;
      --accent-cyan: #0284c7;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --border-color: #e2e8f0;
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
      --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
      --shadow-blue: 0 10px 25px -5px rgba(26, 86, 219, 0.2);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --radius-xl: 24px;
      --container-max: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.6;
    }

    body {
      background: linear-gradient(180deg, #f0f5ff 0%, #f8fafc 400px, #f8fafc 100%);
      min-height: 100vh;
      overflow-x: hidden;
    }

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

    /* 顶部导航 */
    header.site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

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

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

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

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

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

    .nav-menu {
      display: flex;
      align-items: center;
    }

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

    .nav-links li a {
      display: block;
      padding: 8px 14px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      text-decoration: none;
      transition: color 0.2s, background-color 0.2s;
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover {
      color: var(--primary);
      background-color: var(--primary-light);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 15px;
      font-weight: 600;
      padding: 10px 22px;
      border-radius: var(--radius-md);
      text-decoration: none;
      cursor: pointer;
      transition: all 0.25s ease;
      border: 1px solid transparent;
      line-height: 1.4;
    }

    .btn-primary {
      background-color: var(--primary);
      color: #ffffff;
      box-shadow: var(--shadow-sm);
    }

    .btn-primary:hover {
      background-color: var(--primary-hover);
      box-shadow: var(--shadow-blue);
      transform: translateY(-1px);
    }

    .btn-outline {
      background-color: #ffffff;
      border-color: var(--primary);
      color: var(--primary);
    }

    .btn-outline:hover {
      background-color: var(--primary-light);
      transform: translateY(-1px);
    }

    .btn-accent {
      background: linear-gradient(135deg, #1a56db 0%, #0284c7 100%);
      color: #ffffff;
      box-shadow: var(--shadow-blue);
    }

    .btn-accent:hover {
      background: linear-gradient(135deg, #1442a6 0%, #0369a1 100%);
      transform: translateY(-2px);
    }

    .btn-sm {
      padding: 6px 14px;
      font-size: 13px;
      border-radius: var(--radius-sm);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--text-main);
      cursor: pointer;
      padding: 6px;
    }

    /* 首屏 Hero */
    .hero-section {
      padding: 70px 0 60px;
      text-align: center;
      position: relative;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background-color: #e0eaff;
      color: var(--primary);
      border-radius: 999px;
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 24px;
      border: 1px solid #bfdbfe;
    }

    .hero-title {
      font-size: 40px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-subtitle {
      font-size: 18px;
      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: 48px;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      max-width: 960px;
      margin: 0 auto;
    }

    .stat-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 16px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .stat-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .stat-num {
      font-size: 28px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
    }

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

    /* 通用章节样式 */
    section {
      padding: 70px 0;
    }

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

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px;
    }

    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      text-transform: uppercase;
      color: var(--accent-cyan);
      background-color: #e0f2fe;
      padding: 4px 12px;
      border-radius: 999px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 16px;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 平台介绍与关于我们 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

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

    .about-content p {
      font-size: 15px;
      color: var(--text-muted);
      margin-bottom: 16px;
      line-height: 1.7;
    }

    .feature-check-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 24px;
    }

    .feature-check-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
    }

    .check-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--primary);
    }

    .about-matrix-box {
      background: linear-gradient(135deg, #f0f7ff 0%, #e0effe 100%);
      border: 1px solid #bfdbfe;
      border-radius: var(--radius-lg);
      padding: 30px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    .matrix-item {
      background: #ffffff;
      padding: 20px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }

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

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

    /* 模型矩阵徽章云 */
    .model-cloud-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
      margin-top: 40px;
    }

    .model-cloud-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
      text-align: center;
    }

    .model-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }

    .model-badge {
      font-size: 13px;
      font-weight: 500;
      color: var(--primary);
      background-color: var(--primary-light);
      border: 1px solid #bfdbfe;
      padding: 6px 14px;
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
    }

    .model-badge:hover {
      background-color: var(--primary);
      color: #ffffff;
      transform: translateY(-2px);
    }

    /* 服务能力卡片网格 */
    .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-lg);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      border-color: #93c5fd;
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }

    .service-card-top {
      margin-bottom: 16px;
    }

    .service-icon-pill {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      background-color: var(--primary-light);
      color: var(--primary);
      border-radius: var(--radius-md);
      font-weight: 800;
      font-size: 18px;
      margin-bottom: 16px;
    }

    .service-title {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .service-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    .service-tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 16px;
    }

    .service-subtag {
      font-size: 12px;
      color: var(--text-light);
      background-color: #f1f5f9;
      padding: 2px 8px;
      border-radius: 4px;
    }

    /* 行业方案与场景 */
    .solution-tabs-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .solution-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      transition: all 0.25s ease;
    }

    .solution-box:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
    }

    .solution-head {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
    }

    .solution-icon-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: linear-gradient(135deg, #1a56db, #0284c7);
    }

    .solution-name {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
    }

    .solution-text {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 标准流程时间线 */
    .timeline-wrapper {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .timeline-step {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 16px;
      text-align: center;
      position: relative;
    }

    .step-badge {
      width: 36px;
      height: 36px;
      margin: 0 auto 12px;
      background: var(--primary);
      color: #ffffff;
      font-weight: 700;
      font-size: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
    }

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

    .step-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

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

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

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

    .case-img-wrap {
      width: 100%;
      height: 200px;
      overflow: hidden;
      background-color: #f1f5f9;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

    .case-item-card:hover .case-img-wrap img {
      transform: scale(1.04);
    }

    .case-body {
      padding: 20px;
    }

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

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

    .case-desc {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 对比评测板块 */
    .eval-highlight-box {
      background: linear-gradient(135deg, #1e40af 0%, #1d4ed8 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px 40px;
      margin-bottom: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }

    .eval-score-wrap {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .eval-star-group {
      font-size: 24px;
      color: #fbbf24;
    }

    .eval-big-score {
      font-size: 48px;
      font-weight: 900;
      line-height: 1;
    }

    .eval-big-score span {
      font-size: 20px;
      font-weight: 500;
      opacity: 0.8;
    }

    .eval-info-wrap h3 {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .eval-info-wrap p {
      font-size: 15px;
      opacity: 0.9;
    }

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

    .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: 14px;
    }

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

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

    .compare-table td.col-brand {
      font-weight: 700;
      color: var(--primary);
      background-color: var(--primary-light);
    }

    .status-tag {
      display: inline-block;
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 600;
    }

    .status-best {
      background-color: #dbeafe;
      color: var(--primary);
    }

    .status-normal {
      background-color: #f1f5f9;
      color: var(--text-light);
    }

    /* Token 比价板块 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: all 0.25s ease;
    }

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

    .token-model-name {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .token-price-tag {
      font-size: 26px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
    }

    .token-price-sub {
      font-size: 12px;
      color: var(--text-light);
      margin-bottom: 16px;
    }

    .token-feats {
      list-style: none;
      font-size: 13px;
      color: var(--text-muted);
      line-height: 2;
      border-top: 1px dashed var(--border-color);
      padding-top: 14px;
    }

    /* 客户评价板块 */
    .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-lg);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: transform 0.25s, box-shadow 0.25s;
    }

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

    .review-stars {
      color: #f59e0b;
      font-size: 16px;
      margin-bottom: 12px;
    }

    .review-text {
      font-size: 14.5px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
    }

    .review-user-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 16px;
    }

    .user-avatar-circle {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 15px;
    }

    .user-name {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }

    .user-role {
      font-size: 12.5px;
      color: var(--text-light);
    }

    /* FAQ 折叠面板 */
    .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: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      text-align: left;
      padding: 18px 24px;
      background: none;
      border: none;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: background-color 0.2s;
    }

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

    .faq-icon {
      font-size: 20px;
      color: var(--primary);
      transition: transform 0.25s ease;
    }

    .faq-answer {
      display: none;
      padding: 0 24px 20px;
      font-size: 14.5px;
      color: var(--text-muted);
      line-height: 1.7;
    }

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

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

    /* 资讯与文章 */
    .articles-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

    .article-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }

    .article-box h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      padding-bottom: 10px;
      border-bottom: 2px solid var(--primary-light);
    }

    .article-link-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .article-link-list li a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 14.5px;
      color: var(--text-muted);
      text-decoration: none;
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      background-color: #f8fafc;
      transition: all 0.2s ease;
    }

    .article-link-list li a:hover {
      color: var(--primary);
      background-color: var(--primary-light);
      transform: translateX(4px);
    }

    /* 需求匹配与联系我们表单 */
    .form-section-wrapper {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-xl);
      padding: 48px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 48px;
    }

    .contact-info-panel h3 {
      font-size: 26px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
    }

    .contact-info-panel p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 28px;
    }

    .contact-methods {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-bottom: 28px;
    }

    .contact-method-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 14.5px;
      color: var(--text-main);
    }

    .contact-icon-box {
      width: 38px;
      height: 38px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      font-weight: 700;
    }

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

    .qr-img-box {
      width: 100px;
      height: 100px;
      background: #ffffff;
      padding: 6px;
      border-radius: 6px;
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .qr-img-box img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }

    .qr-meta h5 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .qr-meta p {
      font-size: 13px;
      color: var(--text-light);
      margin-bottom: 0;
    }

    .form-wrapper form {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-label {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 14.5px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      background-color: #f8fafc;
      color: var(--text-main);
      outline: none;
      transition: border-color 0.2s, background-color 0.2s;
    }

    .form-control:focus {
      border-color: var(--primary);
      background-color: #ffffff;
      box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
    }

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

    /* 加盟代理板块 */
    .agent-banner {
      background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
      color: #ffffff;
      border-radius: var(--radius-xl);
      padding: 50px 40px;
      text-align: center;
    }

    .agent-banner h3 {
      font-size: 30px;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .agent-banner p {
      font-size: 16px;
      opacity: 0.9;
      max-width: 720px;
      margin: 0 auto 32px;
      line-height: 1.6;
    }

    .agent-grid-feats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 36px;
      text-align: left;
    }

    .agent-feat-box {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-md);
      padding: 20px;
    }

    .agent-feat-box h4 {
      font-size: 16px;
      font-weight: 700;
      color: #93c5fd;
      margin-bottom: 8px;
    }

    .agent-feat-box p {
      font-size: 13.5px;
      opacity: 0.8;
      margin-bottom: 0;
      line-height: 1.5;
    }

    /* 友情链接与页脚 */
    footer.site-footer {
      background-color: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 50px 0 30px;
      margin-top: 50px;
    }

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

    .footer-brand h4 {
      font-size: 18px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      max-width: 320px;
    }

    .footer-col h5 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }

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

    .footer-links li a {
      font-size: 14px;
      color: var(--text-muted);
      text-decoration: none;
      transition: color 0.2s;
    }

    .footer-links li a:hover {
      color: var(--primary);
    }

    .friend-links-area {
      border-top: 1px solid var(--border-color);
      padding-top: 24px;
      margin-bottom: 24px;
    }

    .friend-links-title {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-light);
      margin-bottom: 12px;
    }

    .friend-links-flex {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .friend-links-flex a {
      font-size: 13px;
      color: var(--text-muted);
      text-decoration: none;
      transition: color 0.2s;
    }

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

    .footer-bottom-bar {
      border-top: 1px solid var(--border-color);
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 13px;
      color: var(--text-light);
    }

    /* 浮动操作栏 */
    .floating-actions {
      position: fixed;
      right: 20px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 990;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-main);
      cursor: pointer;
      text-decoration: none;
      font-size: 18px;
      transition: all 0.2s ease;
    }

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

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .services-grid,
      .case-gallery-grid,
      .reviews-grid,
      .agent-grid-feats {
        grid-template-columns: repeat(2, 1fr);
      }
      .token-grid,
      .solution-tabs-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .timeline-wrapper {
        grid-template-columns: repeat(3, 1fr);
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-toggle {
        display: block;
      }
      .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
        padding: 16px 20px;
      }
      .nav-menu.active {
        display: block;
      }
      .nav-links {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        padding: 10px 0;
        width: 100%;
      }
      .nav-actions {
        display: none;
      }
      .hero-title {
        font-size: 28px;
      }
      .hero-subtitle {
        font-size: 15px;
      }
      .about-grid,
      .form-section-wrapper,
      .articles-grid {
        grid-template-columns: 1fr;
      }
      .services-grid,
      .solution-tabs-grid,
      .case-gallery-grid,
      .token-grid,
      .reviews-grid,
      .agent-grid-feats,
      .timeline-wrapper {
        grid-template-columns: 1fr;
      }
      .eval-highlight-box {
        flex-direction: column;
        align-items: flex-start;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .form-section-wrapper {
        padding: 24px 16px;
      }
    }