:root {
      --primary: #e6005c;
      --primary-dark: #b80049;
      --primary-light: #fff0f5;
      --primary-soft: #ffe4ee;
      --accent: #ff4081;
      --text-main: #1f2937;
      --text-muted: #4b5563;
      --text-light: #6b7280;
      --bg-page: #fff8fa;
      --bg-card: #ffffff;
      --border-color: #fbcfe8;
      --shadow-sm: 0 2px 8px rgba(230, 0, 92, 0.06);
      --shadow-md: 0 8px 24px rgba(230, 0, 92, 0.1);
      --shadow-lg: 0 16px 36px rgba(230, 0, 92, 0.14);
      --radius: 12px;
      --radius-sm: 6px;
      --max-width: 1200px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      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);
      line-height: 1.6;
      font-size: 15px;
      overflow-x: hidden;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

    .container {
      width: 100%;
      max-width: var(--max-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, 0.95);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 70px;
    }

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

    .brand-wrap .ai-page-logo {
      height: 40px;
      width: auto;
      display: block;
    }

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

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

    .nav-links a {
      padding: 8px 14px;
      font-weight: 500;
      color: var(--text-main);
      transition: color 0.25s ease;
      font-size: 14px;
    }

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

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

    .btn-nav-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--primary);
      color: #ffffff !important;
      padding: 9px 20px;
      border-radius: 30px;
      font-weight: 600;
      font-size: 14px;
      transition: all 0.3s ease;
      box-shadow: 0 4px 12px rgba(230, 0, 92, 0.25);
    }

    .btn-nav-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
    }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      padding: 8px;
      cursor: pointer;
      color: var(--primary);
    }

    .nav-toggle svg {
      width: 26px;
      height: 26px;
      display: block;
    }

    /* Hero 首屏 (无图片纯CSS构型) */
    .hero-section {
      padding: 70px 0 50px;
      background: radial-gradient(circle at 80% 20%, #ffe4ee 0%, #fff8fa 65%);
      position: relative;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 36px;
      align-items: center;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--primary-light);
      border: 1px solid var(--border-color);
      color: var(--primary);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 20px;
    }

    .hero-title {
      font-size: 34px;
      font-weight: 800;
      color: #111827;
      line-height: 1.25;
      margin-bottom: 18px;
    }

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

    .hero-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 30px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 32px;
    }

    .btn-hero-main {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, #e6005c, #ff4081);
      color: #ffffff;
      padding: 13px 32px;
      border-radius: 30px;
      font-size: 16px;
      font-weight: 700;
      transition: all 0.3s ease;
      box-shadow: 0 6px 20px rgba(230, 0, 92, 0.3);
    }

    .btn-hero-main:hover {
      background: linear-gradient(135deg, #c7004f, #e6005c);
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(230, 0, 92, 0.35);
    }

    .btn-hero-sub {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #ffffff;
      color: var(--primary);
      border: 1px solid var(--border-color);
      padding: 13px 26px;
      border-radius: 30px;
      font-size: 15px;
      font-weight: 600;
      transition: all 0.3s ease;
    }

    .btn-hero-sub:hover {
      background: var(--primary-light);
      border-color: var(--primary);
    }

    .hero-specs-list {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .spec-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      color: var(--text-muted);
      background: rgba(255, 255, 255, 0.7);
      padding: 6px 12px;
      border-radius: 6px;
      border: 1px solid #fce7f3;
    }

    .hero-terminal-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 16px;
      box-shadow: var(--shadow-md);
      padding: 24px;
      position: relative;
    }

    .terminal-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid #fce7f3;
      padding-bottom: 12px;
      margin-bottom: 16px;
    }

    .terminal-dots {
      display: flex;
      gap: 6px;
    }

    .dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }

    .dot-red { background: #ff5f56; }
    .dot-yellow { background: #ffbd2e; }
    .dot-green { background: #27c93f; }

    .terminal-status {
      font-size: 12px;
      font-weight: 600;
      color: var(--primary);
      background: var(--primary-light);
      padding: 2px 8px;
      border-radius: 4px;
    }

    .terminal-grid-stats {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-bottom: 16px;
    }

    .t-stat-box {
      background: #fff5f8;
      border: 1px solid #fed7e2;
      border-radius: 10px;
      padding: 12px;
    }

    .t-stat-title {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 4px;
    }

    .t-stat-num {
      font-size: 20px;
      font-weight: 700;
      color: var(--primary);
    }

    .t-models-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 12px;
    }

    .model-tag {
      background: #ffffff;
      border: 1px solid var(--border-color);
      color: var(--text-main);
      font-size: 11px;
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 500;
    }

    .model-tag.active {
      background: var(--primary);
      color: #ffffff;
      border-color: var(--primary);
    }

    /* 通用分节规范 */
    .section-block {
      padding: 70px 0;
    }

    .section-block-alt {
      background: #ffffff;
      border-top: 1px solid #fce7f3;
      border-bottom: 1px solid #fce7f3;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 46px;
    }

    .section-tag {
      display: inline-block;
      color: var(--primary);
      background: var(--primary-light);
      border: 1px solid var(--border-color);
      padding: 4px 14px;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 28px;
      font-weight: 800;
      color: #111827;
      line-height: 1.35;
      margin-bottom: 12px;
    }

    .section-desc {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 平台介绍板块 */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

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

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

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

    .intro-checklist svg {
      width: 18px;
      height: 18px;
      color: var(--primary);
      flex-shrink: 0;
    }

    .intro-media-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 16px;
      overflow: hidden;
      box-shadow: var(--shadow-md);
      padding: 12px;
    }

    .media-container {
      position: relative;
      border-radius: 12px;
      overflow: hidden;
      background: #fff0f5;
    }

    .media-container img {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .media-container:hover img {
      transform: scale(1.02);
    }

    /* 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 #fce7f3;
      border-radius: 14px;
      padding: 24px;
      transition: all 0.3s ease;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

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

    .service-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: var(--primary-light);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      margin-bottom: 16px;
      font-weight: 800;
      font-size: 18px;
    }

    .service-card h3 {
      font-size: 17px;
      font-weight: 700;
      color: #111827;
      margin-bottom: 10px;
    }

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

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

    .badge-pill {
      font-size: 11px;
      background: #fff1f2;
      color: var(--primary-dark);
      padding: 3px 8px;
      border-radius: 4px;
      border: 1px solid #fecdd3;
    }

    /* 一站式制作场景 */
    .scene-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .scene-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 20px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

    .scene-box:hover {
      border-color: var(--primary);
      transform: translateY(-3px);
    }

    .scene-box h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .scene-box p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 行业方案与图片展示 */
    .solution-showcase-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
      margin-bottom: 30px;
    }

    .showcase-banner-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 14px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .showcase-banner-card .banner-img-wrap {
      width: 100%;
      background: #ffe4ee;
    }

    .showcase-banner-card img {
      width: 100%;
      height: auto;
      display: block;
    }

    .showcase-banner-card .banner-body {
      padding: 20px;
    }

    .showcase-banner-card h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .showcase-banner-card p {
      font-size: 14px;
      color: var(--text-muted);
    }

    /* 标准制作流程 */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
    }

    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 20px 16px;
      text-align: center;
      position: relative;
    }

    .step-badge {
      width: 34px;
      height: 34px;
      background: var(--primary);
      color: #ffffff;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      margin-bottom: 12px;
      box-shadow: 0 4px 10px rgba(230, 0, 92, 0.25);
    }

    .step-card h4 {
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .step-card p {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.5;
    }

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

    .case-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 14px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .case-img-box {
      width: 100%;
      background: #ffe4ee;
    }

    .case-img-box img {
      width: 100%;
      height: auto;
      display: block;
    }

    .case-body {
      padding: 18px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .case-body h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .case-body p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
      flex-grow: 1;
    }

    .case-footer {
      margin-top: 14px;
      padding-top: 12px;
      border-top: 1px solid #fce7f3;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: var(--primary);
      font-weight: 600;
    }

    /* 对比评测规范板块 (核心要求) */
    .eval-highlight-panel {
      background: linear-gradient(135deg, #fff0f5 0%, #ffffff 100%);
      border: 2px solid var(--primary);
      border-radius: 16px;
      padding: 28px;
      margin-bottom: 30px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 280px 1fr;
      gap: 28px;
      align-items: center;
    }

    .eval-score-card {
      text-align: center;
      background: #ffffff;
      padding: 24px;
      border-radius: 12px;
      border: 1px solid var(--border-color);
    }

    .eval-score-card .score-title {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-muted);
      margin-bottom: 6px;
    }

    .eval-score-num {
      font-size: 48px;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 6px;
    }

    .eval-stars {
      color: #ff9800;
      font-size: 18px;
      letter-spacing: 2px;
      margin-bottom: 6px;
    }

    .eval-recommend {
      display: inline-block;
      background: #e6005c;
      color: #ffffff;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 20px;
    }

    .eval-summary-text h3 {
      font-size: 20px;
      font-weight: 700;
      color: #111827;
      margin-bottom: 10px;
    }

    .eval-summary-text p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .compare-table-wrap {
      overflow-x: auto;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 14px;
      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 #fce7f3;
      font-size: 14px;
    }

    .compare-table th {
      background: #fff5f8;
      font-weight: 700;
      color: #111827;
    }

    .compare-table th.highlight, .compare-table td.highlight {
      background: #fff0f5;
      color: var(--primary-dark);
      font-weight: 600;
    }

    /* Token 比价与方案参考 */
    .token-pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .pricing-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 14px;
      padding: 28px 24px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .pricing-card.featured {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-md);
      background: radial-gradient(circle at top, #fff5f8 0%, #ffffff 70%);
    }

    .pricing-badge {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #ffffff;
      font-size: 11px;
      font-weight: 700;
      padding: 3px 14px;
      border-radius: 12px;
    }

    .pricing-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .price-value {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 16px;
    }

    .price-value small {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 400;
    }

    .pricing-features {
      list-style: none;
      text-align: left;
      margin: 20px 0;
      font-size: 13px;
      color: var(--text-muted);
    }

    .pricing-features li {
      padding: 8px 0;
      border-bottom: 1px dashed #fce7f3;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .pricing-btn {
      display: block;
      width: 100%;
      background: var(--primary);
      color: #ffffff;
      padding: 10px;
      border-radius: 8px;
      font-weight: 600;
      transition: background 0.3s;
    }

    .pricing-btn:hover {
      background: var(--primary-dark);
    }

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

    .testi-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 14px;
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testi-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      font-style: normal;
    }

    .testi-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #fce7f3;
      padding-top: 14px;
    }

    .author-avatar {
      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: 14px;
      border: 1px solid var(--border-color);
    }

    .author-info h4 {
      font-size: 14px;
      font-weight: 700;
      color: #111827;
    }

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

    /* 常见问题 FAQ 折叠 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 10px;
      margin-bottom: 12px;
      overflow: hidden;
      transition: border-color 0.3s ease;
    }

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

    .faq-question {
      padding: 16px 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 700;
      font-size: 15px;
      color: #111827;
      user-select: none;
    }

    .faq-toggle-icon {
      font-size: 18px;
      font-weight: 400;
      color: var(--primary);
      transition: transform 0.3s ease;
    }

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

    .faq-answer {
      display: none;
      padding: 0 20px 16px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      border-top: 1px dashed #fce7f3;
      padding-top: 12px;
    }

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

    /* 行业资讯与短代码文章 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .news-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .news-box h3 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--primary-dark);
      border-bottom: 2px solid #fff0f5;
      padding-bottom: 8px;
    }

    .news-list {
      list-style: none;
    }

    .news-list li {
      margin-bottom: 12px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
    }

    .news-list li a {
      color: var(--text-main);
      transition: color 0.2s;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 80%;
    }

    .news-list li a:hover {
      color: var(--primary);
    }

    .news-date {
      color: var(--text-light);
      font-size: 12px;
    }

    /* 需求表单与联系我们 */
    .contact-form-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-group label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: #374151;
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 11px 14px;
      border: 1px solid #e5e7eb;
      border-radius: 8px;
      font-size: 14px;
      background: #fafafa;
      color: #111827;
      transition: all 0.2s;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(230, 0, 92, 0.1);
    }

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

    .btn-submit {
      width: 100%;
      background: linear-gradient(135deg, #e6005c, #ff4081);
      color: #ffffff;
      border: none;
      padding: 13px;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 700;
      cursor: pointer;
      transition: all 0.3s ease;
      box-shadow: 0 4px 14px rgba(230, 0, 92, 0.25);
    }

    .btn-submit:hover {
      opacity: 0.95;
      transform: translateY(-1px);
    }

    .contact-channels {
      padding-left: 20px;
      border-left: 1px solid #fce7f3;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .channel-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      margin-bottom: 18px;
    }

    .channel-icon {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      font-weight: 700;
    }

    .channel-info h4 {
      font-size: 14px;
      font-weight: 700;
      color: #111827;
      margin-bottom: 2px;
    }

    .channel-info p, .channel-info a {
      font-size: 13px;
      color: var(--text-muted);
    }

    .qr-container {
      margin-top: 14px;
      text-align: center;
      background: #fff5f8;
      padding: 16px;
      border-radius: 12px;
      border: 1px solid var(--border-color);
    }

    .qr-container img {
      max-width: 130px;
      height: auto;
      display: inline-block;
      border-radius: 6px;
    }

    .qr-container p {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 6px;
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #111827;
      color: #9ca3af;
      padding: 50px 0 24px;
      font-size: 13px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 40px;
      border-bottom: 1px solid #1f2937;
      padding-bottom: 40px;
    }

    .footer-logo-title {
      color: #ffffff;
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .footer-col h4 {
      color: #ffffff;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .footer-links {
      list-style: none;
    }

    .footer-links li {
      margin-bottom: 8px;
    }

    .footer-links a {
      color: #9ca3af;
      transition: color 0.2s;
    }

    .footer-links a:hover {
      color: #ff4081;
    }

    .friend-links-wrap {
      border-top: 1px solid #1f2937;
      padding: 20px 0;
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
      font-size: 12px;
    }

    .friend-links-wrap a {
      color: #9ca3af;
      transition: color 0.2s;
    }

    .friend-links-wrap a:hover {
      color: #ff4081;
    }

    .footer-bottom {
      border-top: 1px solid #1f2937;
      padding-top: 20px;
      text-align: center;
      font-size: 12px;
      color: #6b7280;
    }

    /* 悬浮交互入口 */
    .float-tools {
      position: fixed;
      right: 20px;
      bottom: 40px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .tool-btn {
      width: 44px;
      height: 44px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-md);
      color: var(--primary);
      cursor: pointer;
      transition: all 0.25s;
    }

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

    .tool-btn svg {
      width: 20px;
      height: 20px;
    }

    /* 响应式适配 */
    @media (max-width: 992px) {
      .hero-grid, .intro-grid, .contact-form-grid, .solution-showcase-grid {
        grid-template-columns: 1fr;
      }
      .services-grid, .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .scene-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps {
        grid-template-columns: repeat(3, 1fr);
      }
      .token-pricing-grid, .cases-gallery {
        grid-template-columns: 1fr;
      }
      .eval-highlight-panel {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
      .contact-channels {
        padding-left: 0;
        border-left: none;
        border-top: 1px solid #fce7f3;
        padding-top: 24px;
      }
    }

    @media (max-width: 768px) {
      .nav-links, .nav-cta .btn-nav-primary {
        display: none;
      }
      .nav-links.mobile-show {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        padding: 16px;
        gap: 8px;
        box-shadow: var(--shadow-md);
      }
      .nav-toggle {
        display: block;
      }
      .hero-title {
        font-size: 26px;
      }
      .services-grid, .testimonials-grid, .news-grid {
        grid-template-columns: 1fr;
      }
      .scene-grid, .process-steps {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
    }