:root {
      --primary: #e11d48;
      --primary-hover: #be123c;
      --primary-light: #fff1f2;
      --primary-glow: rgba(225, 29, 72, 0.15);
      --accent: #ff2d55;
      --accent-soft: #ffe4e6;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --bg-page: #fdfafb;
      --bg-card: #ffffff;
      --border-color: #fecdd3;
      --border-subtle: #f1f5f9;
      --shadow-sm: 0 2px 8px rgba(225, 29, 72, 0.04);
      --shadow-md: 0 8px 24px rgba(225, 29, 72, 0.08);
      --shadow-lg: 0 16px 36px rgba(225, 29, 72, 0.12);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --container-width: 1200px;
      --transition: all 0.28s ease;
    }

    * {
      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, "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    ul, ol {
      list-style: none;
    }

    .container {
      width: 100%;
      max-width: var(--container-width);
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      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-area {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .ai-page-logo {
      height: 42px;
      width: auto;
      object-fit: contain;
    }

    .brand-title {
      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 a {
      padding: 10px 14px;
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
      position: relative;
    }

    .nav-links a:hover,
    .nav-links 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;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-md);
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      text-align: center;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(225, 29, 72, 0.35);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, #e11d48 0%, #be123c 100%);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(225, 29, 72, 0.45);
      color: #ffffff;
    }

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

    .btn-outline:hover {
      background: var(--primary-light);
      transform: translateY(-2px);
    }

    .btn-sm {
      padding: 6px 14px;
      font-size: 0.85rem;
    }

    .menu-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

    .menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background-color: var(--text-main);
      transition: var(--transition);
    }

    /* 通用Section */
    .section {
      padding: 80px 0;
      position: relative;
    }

    .section-alt {
      background: linear-gradient(180deg, #fff5f7 0%, #ffffff 100%);
      border-top: 1px solid #ffe4e6;
      border-bottom: 1px solid #ffe4e6;
    }

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

    .section-badge {
      display: inline-block;
      padding: 6px 16px;
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--primary);
      background-color: var(--primary-light);
      border: 1px solid var(--border-color);
      border-radius: 999px;
      margin-bottom: 14px;
      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: 16px;
    }

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

    /* 首屏 Hero (严禁出现图片) */
    .hero-section {
      padding: 90px 0 70px 0;
      background: radial-gradient(circle at 50% 10%, #ffe4e6 0%, #fff1f2 40%, var(--bg-page) 100%);
      text-align: center;
      position: relative;
    }

    .hero-content {
      max-width: 880px;
      margin: 0 auto;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 6px 18px;
      border-radius: 999px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary);
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

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

    @keyframes pulse {
      0% { transform: scale(0.9); opacity: 0.8; }
      50% { transform: scale(1.3); opacity: 1; }
      100% { transform: scale(0.9); opacity: 0.8; }
    }

    .hero-title {
      font-size: 2.7rem;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title .highlight {
      color: var(--primary);
      background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.18rem;
      color: var(--text-muted);
      margin-bottom: 36px;
      max-width: 740px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-cta-group {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 18px;
      margin-bottom: 48px;
      flex-wrap: wrap;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 20px;
    }

    .stat-card {
      background: #ffffff;
      padding: 22px 16px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

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

    .stat-label {
      font-size: 0.88rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 关于平台 / 核心能力 */
    .about-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .about-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-lg);
      padding: 32px 26px;
      transition: var(--transition);
      position: relative;
    }

    .about-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-color);
    }

    .about-icon-box {
      width: 54px;
      height: 54px;
      border-radius: var(--radius-md);
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      font-weight: bold;
      margin-bottom: 20px;
      border: 1px solid var(--border-color);
    }

    .about-card h3 {
      font-size: 1.22rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .about-card p {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 服务场景网格 (全部28+场景全面呈现) */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .service-card-top {
      margin-bottom: 14px;
    }

    .service-badge {
      display: inline-block;
      font-size: 0.72rem;
      font-weight: 700;
      padding: 3px 8px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 4px;
      margin-bottom: 10px;
    }

    .service-card h3 {
      font-size: 1.08rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .service-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 一站式模型生态 */
    .model-tags-wrapper {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .model-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
      justify-content: center;
    }

    .model-chip {
      background: var(--bg-page);
      border: 1px solid var(--border-subtle);
      padding: 8px 18px;
      border-radius: 999px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
      transition: var(--transition);
    }

    .model-chip:hover {
      border-color: var(--primary);
      background: var(--primary-light);
      color: var(--primary);
      transform: scale(1.04);
    }

    /* 行业方案 */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .industry-card {
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .industry-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
    }

    .industry-card ul {
      margin-top: 14px;
    }

    .industry-card li {
      position: relative;
      padding-left: 18px;
      margin-bottom: 8px;
      font-size: 0.92rem;
      color: var(--text-muted);
    }

    .industry-card li::before {
      content: "•";
      position: absolute;
      left: 4px;
      color: var(--primary);
      font-weight: bold;
    }

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

    .process-step {
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 24px 16px;
      text-align: center;
      transition: var(--transition);
    }

    .process-step:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
      transform: translateY(-4px);
    }

    .step-number {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px auto;
      font-weight: 700;
      font-size: 1.1rem;
    }

    .process-step h3 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

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

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

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

    .case-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }

    .case-img-wrap {
      width: 100%;
      height: 220px;
      overflow: hidden;
      background: #f1f5f9;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .case-card:hover .case-img-wrap img {
      transform: scale(1.05);
    }

    .case-info {
      padding: 22px;
    }

    .case-tag {
      font-size: 0.78rem;
      color: var(--primary);
      font-weight: 700;
      text-transform: uppercase;
      margin-bottom: 6px;
    }

    .case-info h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .case-info p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* 宣传条图展示 */
    .banner-showcase {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 36px;
    }

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

    .banner-item img {
      width: 100%;
      height: 140px;
      object-fit: cover;
      transition: var(--transition);
    }

    .banner-item:hover img {
      transform: scale(1.06);
    }

    /* 对比评测 (五星 9.9分) */
    .review-box {
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .review-score-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: linear-gradient(135deg, #fff1f2 0%, #ffe4e6 100%);
      padding: 24px 32px;
      border-radius: var(--radius-md);
      margin-bottom: 30px;
      border: 1px solid var(--border-color);
    }

    .score-badge {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .score-stars {
      color: #f59e0b;
      font-size: 1.4rem;
      letter-spacing: 2px;
    }

    .score-val {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary);
    }

    .score-total {
      font-size: 1.1rem;
      color: var(--text-muted);
      font-weight: 600;
    }

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

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

    .review-table th,
    .review-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-subtle);
    }

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

    .review-table td.brand-col {
      color: var(--primary);
      font-weight: 700;
      background: #fffafa;
    }

    /* 需求匹配 & 表单 */
    .match-form-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }

    .match-info h3 {
      font-size: 1.4rem;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .match-features {
      margin: 20px 0;
    }

    .match-feat-item {
      display: flex;
      gap: 12px;
      margin-bottom: 16px;
    }

    .match-feat-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.85rem;
      font-weight: bold;
      flex-shrink: 0;
    }

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

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.95rem;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      outline: none;
      transition: var(--transition);
      background-color: #ffffff;
      font-family: inherit;
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px var(--primary-glow);
    }

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

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

    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 26px 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .token-card.featured {
      border: 2px solid var(--primary);
      position: relative;
      background: #fffbfc;
    }

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

    .token-price {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--primary);
      margin: 12px 0;
    }

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

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

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

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

    .testi-stars {
      color: #f59e0b;
      font-size: 0.95rem;
      margin-bottom: 12px;
    }

    .testi-content {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
    }

    .testi-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, #fb7185 0%, #e11d48 100%);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 1.1rem;
    }

    .author-info h4 {
      font-size: 0.95rem;
      font-weight: 700;
    }

    .author-info p {
      font-size: 0.82rem;
      color: var(--text-light);
    }

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

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      padding: 18px 24px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: 700;
      font-size: 1.02rem;
      color: var(--text-main);
      background: #ffffff;
      user-select: none;
    }

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

    .faq-icon {
      font-size: 1.2rem;
      color: var(--primary);
      transition: transform 0.25s 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: #fffbfc;
      color: var(--text-muted);
      font-size: 0.94rem;
      line-height: 1.65;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 16px 24px 22px 24px;
      border-top: 1px solid #ffe4e6;
    }

    /* 行业资讯 & 最新文章 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

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

    .article-date {
      font-size: 0.8rem;
      color: var(--text-light);
      margin-bottom: 8px;
    }

    .article-card h3 {
      font-size: 1.1rem;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .article-card a.read-more {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .article-card a.read-more:hover {
      text-decoration: underline;
    }

    /* 加盟代理板块 */
    .agent-box {
      background: linear-gradient(135deg, #fff1f2 0%, #ffffff 100%);
      border: 2px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 44px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .agent-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 32px;
      text-align: left;
    }

    .agent-card {
      background: #ffffff;
      padding: 26px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .agent-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 10px;
    }

    .agent-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* 联系我们与二维码 */
    .contact-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .contact-card-info {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .contact-item {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 20px;
    }

    .contact-icon {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-sm);
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      font-weight: bold;
    }

    .contact-text h4 {
      font-size: 0.88rem;
      color: var(--text-light);
    }

    .contact-text p {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .qr-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .qr-img-box {
      max-width: 190px;
      margin: 0 auto 16px auto;
      padding: 12px;
      border: 1px dashed var(--primary);
      border-radius: var(--radius-md);
      background: #fff;
    }

    /* 底部 Footer */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 60px 0 30px 0;
      color: var(--text-muted);
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-brand h3 {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 12px;
    }

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

    .footer-col h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      position: relative;
    }

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

    .footer-col ul li a {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

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

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

    .friend-links-title {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

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

    .friend-links-list a {
      font-size: 0.85rem;
      color: var(--text-light);
      background: var(--bg-page);
      padding: 4px 12px;
      border-radius: 4px;
      border: 1px solid var(--border-subtle);
    }

    .friend-links-list a:hover {
      color: var(--primary);
      border-color: var(--primary);
      background: var(--primary-light);
    }

    .footer-bottom {
      border-top: 1px solid var(--border-subtle);
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: var(--text-light);
    }

    /* 浮动客服栏 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 40px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-md);
      cursor: pointer;
      font-size: 1.2rem;
      border: none;
      transition: var(--transition);
    }

    .float-btn:hover {
      transform: scale(1.1);
      box-shadow: var(--shadow-lg);
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-title { font-size: 2.2rem; }
      .service-grid { grid-template-columns: repeat(3, 1fr); }
      .about-grid, .industry-grid, .testimonial-grid, .articles-grid, .case-grid { grid-template-columns: repeat(2, 1fr); }
      .token-grid { grid-template-columns: repeat(2, 1fr); }
      .process-timeline { grid-template-columns: repeat(3, 1fr); }
      .footer-top { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
      .menu-toggle { display: flex; }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.show { display: flex; }
      .nav-links a { width: 100%; padding: 12px 0; }
      .hero-title { font-size: 1.85rem; }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .service-grid { grid-template-columns: repeat(1, 1fr); }
      .about-grid, .industry-grid, .testimonial-grid, .articles-grid, .case-grid, .agent-grid { grid-template-columns: 1fr; }
      .process-timeline { grid-template-columns: 1fr; }
      .match-form-wrapper, .contact-layout { grid-template-columns: 1fr; }
      .token-grid { grid-template-columns: 1fr; }
      .banner-showcase { grid-template-columns: repeat(2, 1fr); }
      .footer-top { grid-template-columns: 1fr; }
    }