:root {
      --primary: #c51d24;
      --primary-hover: #a61218;
      --primary-light: #fff2f2;
      --primary-soft: #fde8e9;
      --accent: #d32f2f;
      --text-main: #1f2429;
      --text-muted: #5a626a;
      --text-light: #8b949e;
      --bg-page: #fbfbfb;
      --bg-card: #ffffff;
      --bg-alt: #f6f7f9;
      --border-color: #edeef0;
      --border-focus: #f3a6a9;
      --shadow-sm: 0 2px 8px rgba(197, 29, 36, 0.04);
      --shadow-md: 0 8px 24px rgba(197, 29, 36, 0.08);
      --shadow-hover: 0 12px 32px rgba(197, 29, 36, 0.14);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --container-width: 1200px;
    }

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

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

    body {
      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;
      overflow-x: hidden;
    }

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

    ul, ol {
      list-style: none;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(8px);
      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-logo {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand-logo img {
      max-height: 42px;
      width: auto;
      display: block;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: 0.5px;
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      font-size: 0.93rem;
      font-weight: 500;
      color: var(--text-main);
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      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;
      font-weight: 600;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      transition: all 0.25s ease;
      cursor: pointer;
      border: 1px solid transparent;
      text-align: center;
      font-size: 0.95rem;
    }

    .btn-primary {
      background-color: var(--primary);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(197, 29, 36, 0.28);
    }

    .btn-primary:hover {
      background-color: var(--primary-hover);
      transform: translateY(-1px);
      box-shadow: 0 6px 18px rgba(197, 29, 36, 0.38);
      color: #ffffff;
    }

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

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

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

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

    /* 区域通用规范 */
    .section {
      padding: 80px 0;
      position: relative;
    }

    .section-alt {
      background-color: var(--bg-alt);
    }

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

    .section-subtitle {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 1.5px;
      background: var(--primary-light);
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 首屏纯CSS科技热烈氛围 (首屏不含任何图片) */
    .hero-section {
      position: relative;
      padding: 100px 0 80px 0;
      background: radial-gradient(circle at 85% 15%, #ffe6e7 0%, transparent 45%),
                  radial-gradient(circle at 10% 80%, #fff0f0 0%, transparent 40%),
                  linear-gradient(180deg, #ffffff 0%, #fff7f7 100%);
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }

    .hero-content {
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background-color: #ffffff;
      border: 1px solid #ffccd0;
      color: var(--primary);
      padding: 6px 18px;
      border-radius: 30px;
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-badge .dot {
      width: 8px;
      height: 8px;
      background-color: var(--primary);
      border-radius: 50%;
      display: inline-block;
      animation: pulse 1.8s infinite;
    }

    @keyframes pulse {
      0% { transform: scale(0.95); opacity: 0.8; }
      50% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 10px rgba(197, 29, 36, 0.6); }
      100% { transform: scale(0.95); opacity: 0.8; }
    }

    .hero-title {
      font-size: 2.85rem;
      font-weight: 900;
      line-height: 1.25;
      color: #1a1e22;
      margin-bottom: 22px;
      letter-spacing: -0.5px;
    }

    .hero-title span {
      color: var(--primary);
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-muted);
      margin-bottom: 36px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.8;
    }

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

    .hero-cta .btn-official {
      padding: 14px 34px;
      font-size: 1.05rem;
      background: linear-gradient(135deg, #c51d24 0%, #e63946 100%);
      color: #ffffff;
      border: none;
      box-shadow: 0 8px 24px rgba(197, 29, 36, 0.35);
    }

    .hero-cta .btn-official:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(197, 29, 36, 0.45);
    }

    /* 纯CSS首屏指标看板 */
    .hero-stats {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 20px;
    }

    .stat-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease, box-shadow 0.25s ease;
      position: relative;
    }

    .stat-card::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 15%;
      width: 70%;
      height: 3px;
      background: linear-gradient(90deg, transparent, var(--primary), transparent);
      opacity: 0;
      transition: opacity 0.25s ease;
    }

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

    .stat-card:hover::after {
      opacity: 1;
    }

    .stat-num {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
      font-family: Arial, sans-serif;
    }

    .stat-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 500;
    }

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

    .intro-text h3 {
      font-size: 1.65rem;
      margin-bottom: 18px;
      color: var(--text-main);
    }

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

    .intro-feature-list {
      margin-top: 24px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .intro-feature-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.95rem;
      color: var(--text-main);
      font-weight: 600;
    }

    .intro-feature-item .check-icon {
      width: 20px;
      height: 20px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
    }

    .intro-box-panel {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
      position: relative;
    }

    .intro-box-panel h4 {
      font-size: 1.25rem;
      color: var(--primary);
      margin-bottom: 16px;
      border-left: 4px solid var(--primary);
      padding-left: 12px;
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 18px;
    }

    .tag-item {
      background: var(--bg-alt);
      color: var(--text-main);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 500;
      border: 1px solid var(--border-color);
      transition: all 0.2s;
    }

    .tag-item:hover {
      background: var(--primary-light);
      color: var(--primary);
      border-color: var(--primary);
    }

    /* 服务与能力卡片 */
    .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: 30px 24px;
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: #ffd2d5;
    }

    .service-icon-box {
      width: 52px;
      height: 52px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      font-weight: bold;
      margin-bottom: 20px;
    }

    .service-card h3 {
      font-size: 1.2rem;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .service-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      flex-grow: 1;
    }

    .service-meta {
      margin-top: 18px;
      padding-top: 14px;
      border-top: 1px dashed var(--border-color);
      font-size: 0.85rem;
      color: var(--primary);
      font-weight: 600;
    }

    /* 行业方案图文与素材图区 */
    .materials-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      margin-top: 40px;
    }

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

    .material-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      background-color: #f0f0f0;
      overflow: hidden;
    }

    .material-img-wrap.square {
      aspect-ratio: 4 / 3;
    }

    .material-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.35s ease;
    }

    .material-card:hover .material-img-wrap img {
      transform: scale(1.03);
    }

    .material-info {
      padding: 22px;
    }

    .material-info h4 {
      font-size: 1.15rem;
      color: var(--text-main);
      margin-bottom: 8px;
    }

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

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

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

    .step-badge {
      width: 36px;
      height: 36px;
      background: var(--primary);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      margin: 0 auto 16px auto;
      font-size: 0.95rem;
    }

    .step-card h4 {
      font-size: 1.05rem;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .step-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 对比评测高亮板块 */
    .review-score-banner {
      background: linear-gradient(135deg, #fff7f7 0%, #ffecee 100%);
      border: 2px solid #ffccd0;
      border-radius: var(--radius-lg);
      padding: 36px;
      margin-bottom: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
    }

    .review-left {
      max-width: 650px;
    }

    .review-rating {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: #ffffff;
      padding: 6px 16px;
      border-radius: 30px;
      margin-bottom: 14px;
      border: 1px solid #ffd8db;
    }

    .star-icon {
      color: #ffb800;
      font-size: 1.1rem;
    }

    .review-score-title {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .review-score-title span {
      color: var(--primary);
    }

    .review-score-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .score-badge-circle {
      background: #ffffff;
      border: 4px solid var(--primary);
      border-radius: 50%;
      width: 120px;
      height: 120px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-md);
    }

    .score-value {
      font-size: 2.1rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
    }

    .score-max {
      font-size: 0.75rem;
      color: var(--text-light);
      margin-top: 4px;
    }

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

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

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

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

    .comparison-table th.highlight,
    .comparison-table td.highlight {
      background-color: #fffafa;
      color: var(--primary);
      font-weight: 700;
      border-left: 1px solid #ffdcd0;
      border-right: 1px solid #ffdcd0;
    }

    /* Token 比价展示 */
    .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;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s;
    }

    .token-card.popular {
      border: 2px solid var(--primary);
      position: relative;
    }

    .token-card.popular::before {
      content: '超低折扣';
      position: absolute;
      top: -12px;
      right: 20px;
      background: var(--primary);
      color: #ffffff;
      font-size: 0.75rem;
      padding: 2px 10px;
      border-radius: 12px;
      font-weight: 600;
    }

    .token-model {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .token-price {
      font-size: 1.7rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
    }

    .token-price small {
      font-size: 0.85rem;
      color: var(--text-light);
      font-weight: normal;
    }

    .token-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-top: 8px;
    }

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

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

    .testi-card:hover {
      box-shadow: var(--shadow-md);
      border-color: #ffd2d5;
    }

    .testi-quote {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 20px;
      position: relative;
    }

    .testi-author {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
    }

    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.1rem;
    }

    .author-info h5 {
      font-size: 0.95rem;
      color: var(--text-main);
      margin-bottom: 2px;
    }

    .author-info span {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* FAQ 手风琴 */
    .faq-accordion {
      max-width: 880px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      overflow: hidden;
      transition: border-color 0.25s ease;
    }

    .faq-item.active {
      border-color: #ffa4a8;
    }

    .faq-question {
      width: 100%;
      padding: 18px 24px;
      text-align: left;
      background: none;
      border: none;
      outline: none;
      font-size: 1.02rem;
      font-weight: 600;
      color: var(--text-main);
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
    }

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

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

    .faq-item.active .faq-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: 0.93rem;
      line-height: 1.75;
      padding: 0 24px;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 16px 24px 22px 24px;
      border-top: 1px solid var(--border-color);
    }

    /* 行业资讯与短代码区 */
    .articles-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }

    .article-links-wrap {
      margin-top: 20px;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 12px;
    }

    .article-url-item {
      display: flex;
      align-items: center;
      padding: 12px 16px;
      background: var(--bg-alt);
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      font-size: 0.88rem;
      color: var(--text-main);
      word-break: break-all;
    }

    .article-url-item:hover {
      border-color: var(--primary);
      color: var(--primary);
    }

    /* 需求匹配与联系我们表单 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .contact-info-panel h3 {
      font-size: 1.6rem;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .contact-info-panel p {
      font-size: 0.95rem;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.7;
    }

    .contact-detail-list li {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      margin-bottom: 18px;
      font-size: 0.95rem;
    }

    .contact-detail-list .icon {
      color: var(--primary);
      font-weight: bold;
    }

    .contact-qr {
      margin-top: 24px;
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 16px;
      background: var(--bg-alt);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .contact-qr img {
      width: 100px;
      height: 100px;
      object-fit: contain;
      border-radius: 8px;
      background: #fff;
    }

    .contact-qr-text h5 {
      font-size: 1rem;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .contact-qr-text p {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 0;
    }

    .contact-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

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

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

    .form-group input,
    .form-group select,
    .form-group textarea {
      width: 100%;
      padding: 12px 14px;
      font-size: 0.95rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      outline: none;
      background: #ffffff;
      color: var(--text-main);
      font-family: inherit;
      transition: border-color 0.2s ease;
    }

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(197, 29, 36, 0.1);
    }

    /* 宣传图画廊 */
    .banner-gallery {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      margin-bottom: 40px;
    }

    .banner-gallery-item {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
    }

    .banner-gallery-item img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    /* 加盟代理模块 */
    .agency-banner {
      background: linear-gradient(135deg, #c51d24 0%, #b2141a 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-md);
    }

    .agency-banner h3 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .agency-banner p {
      font-size: 1.05rem;
      max-width: 760px;
      margin: 0 auto 30px auto;
      opacity: 0.95;
      line-height: 1.8;
    }

    .agency-banner .btn {
      background: #ffffff;
      color: var(--primary);
      font-size: 1.05rem;
      padding: 14px 36px;
    }

    .agency-banner .btn:hover {
      background: #fff0f1;
      transform: translateY(-2px);
    }

    /* 页脚 */
    .site-footer {
      background-color: #1a1e23;
      color: #d1d5db;
      padding: 60px 0 30px 0;
      font-size: 0.92rem;
      border-top: 1px solid #2b3036;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: #ffffff;
      font-size: 1.08rem;
      margin-bottom: 18px;
      position: relative;
      padding-bottom: 8px;
    }

    .footer-col h4::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 30px;
      height: 2px;
      background: var(--primary);
    }

    .footer-col p {
      line-height: 1.8;
      color: #9ca3af;
      margin-bottom: 16px;
    }

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

    .footer-col ul li a {
      color: #9ca3af;
    }

    .footer-col ul li a:hover {
      color: #ffffff;
      padding-left: 4px;
    }

    .footer-bottom {
      border-top: 1px solid #282e35;
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: #6b7280;
    }

    .friend-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 16px;
      margin-bottom: 14px;
    }

    .friend-links a {
      color: #9ca3af;
      font-size: 0.85rem;
    }

    .friend-links a:hover {
      color: #ffffff;
    }

    /* 浮动客服入口与回到顶部 */
    .floating-tools {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 990;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      color: var(--primary);
      border: 1px solid var(--border-color);
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: all 0.25s ease;
      font-size: 1.2rem;
    }

    .float-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: translateY(-3px);
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .services-grid,
      .token-grid,
      .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: stretch;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
        display: none;
        padding: 16px 0;
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li a {
        padding: 12px 24px;
      }
      .nav-actions {
        display: none;
      }
      .hero-title {
        font-size: 2.1rem;
      }
      .hero-stats {
        grid-template-columns: repeat(2, 1fr);
      }
      .intro-grid,
      .materials-grid,
      .services-grid,
      .token-grid,
      .testimonials-grid,
      .contact-grid,
      .banner-gallery {
        grid-template-columns: 1fr;
      }
      .process-steps {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .review-score-banner {
        flex-direction: column;
        text-align: center;
      }
      .score-badge-circle {
        margin: 0 auto;
      }
    }