:root {
      --primary: #e11d48;
      --primary-hover: #be123c;
      --primary-light: #fff1f2;
      --primary-soft: #ffe4e6;
      --accent-pink: #f43f5e;
      --text-main: #1f2937;
      --text-muted: #4b5563;
      --bg-base: #fffafd;
      --bg-card: #ffffff;
      --border-color: #fecdd3;
      --border-light: #ffe4e6;
      --shadow-sm: 0 4px 6px -1px rgba(225, 29, 72, 0.05), 0 2px 4px -2px rgba(225, 29, 72, 0.05);
      --shadow-md: 0 10px 15px -3px rgba(225, 29, 72, 0.08), 0 4px 6px -4px rgba(225, 29, 72, 0.04);
      --shadow-lg: 0 20px 25px -5px rgba(225, 29, 72, 0.1), 0 8px 10px -6px rgba(225, 29, 72, 0.05);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      min-height: 100vh;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
    }

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

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

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

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

    .brand-slogan {
      font-size: 0.75rem;
      color: var(--text-muted);
      border-left: 1px solid var(--border-color);
      padding-left: 8px;
      margin-left: 4px;
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-main);
      border-radius: var(--radius-sm);
    }

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

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

    .btn-header-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent-pink) 100%);
      color: #ffffff !important;
      padding: 9px 18px;
      border-radius: 999px;
      font-size: 0.9rem;
      font-weight: 600;
      box-shadow: 0 4px 12px rgba(225, 29, 72, 0.25);
    }

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

    .menu-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      color: var(--text-main);
      font-size: 1.1rem;
    }

    /* 页面分区通用 */
    .section-block {
      padding: 80px 0;
      position: relative;
    }

    .section-block.alt-bg {
      background: linear-gradient(180deg, #fffafd 0%, #fff1f4 100%);
    }

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

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background: var(--primary-light);
      border: 1px solid var(--border-color);
      color: var(--primary);
      font-size: 0.85rem;
      font-weight: 700;
      border-radius: 999px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 14px;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 首屏纯CSS构建 */
    .hero-section {
      padding: 90px 0 80px 0;
      background: radial-gradient(circle at 80% 20%, #ffe4e6 0%, #fffafd 60%);
      border-bottom: 1px solid var(--border-light);
      position: relative;
    }

    .hero-wrapper {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }

    .hero-content h1 {
      font-size: 2.6rem;
      font-weight: 900;
      line-height: 1.25;
      color: #881337;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-content h1 span {
      background: linear-gradient(135deg, #be123c, #f43f5e);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-text {
      font-size: 1.12rem;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 30px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
      margin-bottom: 40px;
    }

    .btn-main-highlight {
      background: linear-gradient(135deg, #e11d48 0%, #f43f5e 100%);
      color: #ffffff !important;
      font-size: 1.1rem;
      font-weight: 700;
      padding: 15px 34px;
      border-radius: 999px;
      box-shadow: 0 10px 25px rgba(225, 29, 72, 0.35);
      border: 1px solid rgba(255, 255, 255, 0.2);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-main-highlight:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 28px rgba(225, 29, 72, 0.45);
    }

    .btn-secondary-link {
      background: #ffffff;
      color: var(--primary) !important;
      border: 1.5px solid var(--border-color);
      font-size: 1.05rem;
      font-weight: 600;
      padding: 14px 28px;
      border-radius: 999px;
    }

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

    .hero-highlights {
      display: flex;
      gap: 24px;
      flex-wrap: wrap;
      border-top: 1px dashed var(--border-color);
      padding-top: 24px;
    }

    .hero-badge-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      font-weight: 600;
      color: #9f1239;
    }

    .hero-badge-item::before {
      content: "✓";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: #ffe4e6;
      color: var(--primary);
      font-size: 0.8rem;
    }

    /* 首屏右侧纯CSS科技仪表卡片 */
    .hero-tech-board {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-lg);
      position: relative;
    }

    .board-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid var(--border-light);
      padding-bottom: 16px;
      margin-bottom: 20px;
    }

    .board-status {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.85rem;
      font-weight: 700;
      color: #059669;
    }

    .status-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #10b981;
      box-shadow: 0 0 8px #10b981;
    }

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

    .board-card {
      background: #fff5f7;
      border: 1px solid #fed7aa;
      border-color: var(--border-light);
      border-radius: var(--radius-md);
      padding: 16px;
    }

    .board-card-title {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 6px;
    }

    .board-card-value {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--primary);
    }

    .board-card-note {
      font-size: 0.75rem;
      color: #881337;
      margin-top: 4px;
    }

    .board-model-stream {
      background: #fff1f2;
      border-radius: var(--radius-sm);
      padding: 14px;
      border-left: 4px solid var(--primary);
      font-size: 0.85rem;
      color: var(--text-main);
      line-height: 1.6;
    }

    /* 数据指标条 */
    .metric-strip {
      background: #ffffff;
      border-bottom: 1px solid var(--border-light);
      padding: 30px 0;
    }

    .metric-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      text-align: center;
    }

    .metric-item {
      padding: 10px;
      border-right: 1px solid var(--border-light);
    }

    .metric-item:last-child {
      border-right: none;
    }

    .metric-num {
      font-size: 2rem;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 4px;
    }

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

    .metric-sub {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    /* 平台介绍 */
    .platform-intro-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .feature-box {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

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

    .feature-icon-bubble {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.2rem;
      margin-bottom: 18px;
    }

    .feature-box h3 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .feature-box p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 场景矩阵与一站式制作 */
    .scenes-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .scene-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      position: relative;
      overflow: hidden;
      transition: all 0.25s ease;
    }

    .scene-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: var(--primary);
      opacity: 0;
      transition: opacity 0.25s ease;
    }

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

    .scene-card:hover::before {
      opacity: 1;
    }

    .scene-title-tag {
      font-size: 0.75rem;
      background: var(--primary-light);
      color: var(--primary);
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 700;
      margin-bottom: 8px;
      display: inline-block;
    }

    .scene-card h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .scene-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 模型矩阵胶囊标签 */
    .models-cloud {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 32px;
      margin-top: 40px;
      box-shadow: var(--shadow-sm);
    }

    .models-cloud-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      text-align: center;
    }

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

    .model-pill {
      background: #fff1f2;
      border: 1px solid var(--border-color);
      color: #9f1239;
      font-size: 0.85rem;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: 999px;
      transition: all 0.2s ease;
    }

    .model-pill:hover {
      background: var(--primary);
      color: #ffffff;
      transform: scale(1.05);
    }

    /* 行业方案展示 */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .industry-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }

    .industry-card h3 {
      font-size: 1.25rem;
      color: var(--primary);
      margin-bottom: 10px;
    }

    .industry-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      margin-bottom: 14px;
    }

    .industry-list {
      list-style: none;
      font-size: 0.88rem;
      color: var(--text-main);
    }

    .industry-list li {
      padding: 4px 0;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .industry-list li::before {
      content: "•";
      color: var(--primary);
      font-size: 1.2rem;
    }

    /* 流程与步骤 */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

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

    .step-number {
      width: 42px;
      height: 42px;
      background: linear-gradient(135deg, var(--primary), var(--accent-pink));
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      margin: 0 auto 16px auto;
    }

    .step-item h4 {
      font-size: 1.05rem;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .step-item p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 案例中心配图卡片 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

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

    .case-media-box {
      width: 100%;
      max-height: 260px;
      overflow: hidden;
      background: #f8fafc;
    }

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

    .case-body {
      padding: 22px;
    }

    .case-badge {
      display: inline-block;
      font-size: 0.75rem;
      color: var(--primary);
      background: var(--primary-light);
      padding: 2px 8px;
      border-radius: 4px;
      margin-bottom: 8px;
      font-weight: 600;
    }

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

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

    /* 对比评测表格与评级 */
    .evaluation-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-md);
      margin-bottom: 30px;
    }

    .eval-score-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
      background: #fff1f2;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      margin-bottom: 24px;
    }

    .eval-rating-left h3 {
      font-size: 1.3rem;
      color: #881337;
      margin-bottom: 4px;
    }

    .eval-stars {
      color: #e11d48;
      font-size: 1.2rem;
      letter-spacing: 2px;
    }

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

    .score-big {
      font-size: 3rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
    }

    .score-total {
      font-size: 1.2rem;
      color: var(--text-muted);
      font-weight: 600;
    }

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

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
    }

    .compare-table th, .compare-table td {
      padding: 14px 16px;
      border-bottom: 1px solid var(--border-light);
    }

    .compare-table th {
      background: #fff5f7;
      color: #881337;
      font-weight: 700;
    }

    .compare-table td.highlight {
      background: #fff1f2;
      color: var(--primary);
      font-weight: 700;
    }

    /* Token 比价板块 */
    .token-pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .pricing-card.featured {
      border: 2px solid var(--primary);
      transform: scale(1.03);
      box-shadow: var(--shadow-lg);
    }

    .pricing-badge {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(135deg, var(--primary), var(--accent-pink));
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 999px;
    }

    .pricing-card h3 {
      font-size: 1.25rem;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .pricing-val {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 8px;
    }

    .pricing-val span {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: normal;
    }

    .pricing-card ul {
      list-style: none;
      margin: 20px 0;
      text-align: left;
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    .pricing-card ul li {
      padding: 6px 0;
      border-bottom: 1px dashed var(--border-light);
    }

    /* 客户评价 6 条 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
    }

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

    .avatar-placeholder {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1rem;
    }

    .review-author {
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--text-main);
    }

    .review-role {
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    .review-text {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 常见问题 FAQ 展开收起 */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

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

    .faq-question {
      padding: 18px 22px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 700;
      font-size: 1rem;
      color: var(--text-main);
      background: #ffffff;
      user-select: none;
    }

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

    .faq-arrow {
      font-size: 0.8rem;
      transition: transform 0.25s ease;
      color: var(--primary);
    }

    .faq-answer {
      display: none;
      padding: 0 22px 18px 22px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px dashed var(--border-light);
      margin-top: -6px;
      padding-top: 14px;
    }

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

    .faq-item.active .faq-arrow {
      transform: rotate(180deg);
    }

    /* 需求匹配与联系我们表单 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
      align-items: start;
    }

    .form-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-md);
    }

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

    .form-group label {
      display: block;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 14px;
      border: 1.5px solid var(--border-light);
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      color: var(--text-main);
      background: #ffffff;
      transition: border-color 0.2s ease;
      font-family: inherit;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.1);
    }

    .form-submit-btn {
      width: 100%;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent-pink) 100%);
      color: #ffffff;
      border: none;
      padding: 14px;
      border-radius: var(--radius-sm);
      font-size: 1rem;
      font-weight: 700;
      cursor: pointer;
      transition: all 0.25s ease;
    }

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

    .contact-info-panel {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .qr-contact-box {
      text-align: center;
      background: var(--primary-light);
      border: 1px dashed var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      margin-top: 20px;
    }

    .qr-contact-box img {
      width: 130px;
      height: 130px;
      display: block;
      margin: 0 auto 10px auto;
      border-radius: 8px;
      background: #ffffff;
      padding: 4px;
    }

    /* 行业资讯与百科 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

    .article-link-item {
      display: block;
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 18px 20px;
      transition: all 0.2s ease;
    }

    .article-link-item:hover {
      border-color: var(--primary);
      transform: translateX(4px);
    }

    .article-tag {
      font-size: 0.75rem;
      color: var(--primary);
      font-weight: 700;
      margin-bottom: 4px;
    }

    .article-title {
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-main);
    }

    /* 加盟代理模块 */
    .agent-banner {
      background: linear-gradient(135deg, #be123c 0%, #e11d48 50%, #f43f5e 100%);
      border-radius: var(--radius-lg);
      padding: 40px;
      color: #ffffff;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 24px;
      box-shadow: var(--shadow-lg);
    }

    .agent-banner h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .agent-banner p {
      font-size: 0.95rem;
      opacity: 0.9;
      max-width: 600px;
    }

    .btn-agent-white {
      background: #ffffff;
      color: var(--primary) !important;
      font-weight: 700;
      padding: 14px 28px;
      border-radius: 999px;
      font-size: 1rem;
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    }

    .btn-agent-white:hover {
      background: var(--primary-light);
      transform: scale(1.02);
    }

    /* 页面页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 50px 0 20px 0;
      color: var(--text-main);
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 30px;
      margin-bottom: 40px;
    }

    .footer-col h5 {
      font-size: 1rem;
      font-weight: 700;
      color: #881337;
      margin-bottom: 14px;
    }

    .footer-col p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 8px;
    }

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

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

    .footer-links li a {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

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

    .friendly-links-wrap {
      border-top: 1px solid var(--border-light);
      padding: 20px 0;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
      font-size: 0.85rem;
    }

    .friendly-links-wrap span {
      font-weight: 700;
      color: var(--text-main);
    }

    .friendly-links-wrap a {
      color: var(--text-muted);
    }

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

    .footer-bottom {
      border-top: 1px solid var(--border-light);
      padding-top: 20px;
      text-align: center;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 浮动客服挂件 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 99;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--primary);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 12px rgba(225, 29, 72, 0.4);
      cursor: pointer;
      font-size: 1.2rem;
      border: none;
      transition: all 0.25s ease;
    }

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

    .float-qr-modal {
      display: none;
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px;
      box-shadow: var(--shadow-lg);
      text-align: center;
      width: 170px;
    }

    .float-qr-modal img {
      width: 130px;
      height: 130px;
      display: block;
      margin: 0 auto 8px auto;
    }

    .float-qr-modal span {
      font-size: 0.8rem;
      color: var(--text-muted);
      display: block;
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-wrapper {
        grid-template-columns: 1fr;
      }
      .platform-intro-grid, .scenes-grid, .token-pricing-grid, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-light);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li a {
        display: block;
        padding: 10px 0;
      }
      .metric-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metric-item:nth-child(2) {
        border-right: none;
      }
      .platform-intro-grid, .scenes-grid, .token-pricing-grid, .reviews-grid, .industry-grid, .cases-grid, .steps-grid, .articles-grid {
        grid-template-columns: 1fr;
      }
      .hero-content h1 {
        font-size: 2rem;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .pricing-card.featured {
        transform: none;
      }
    }