:root {
      --primary: #d91b5c;
      --primary-hover: #b8144b;
      --primary-light: #fff0f5;
      --primary-glow: rgba(217, 27, 92, 0.18);
      --secondary: #ff3366;
      --accent: #9b1d64;
      --text-main: #1f2429;
      --text-sub: #555e68;
      --text-muted: #88929c;
      --bg-page: #fdfbfb;
      --bg-card: #ffffff;
      --border-color: #f3d4df;
      --border-card: #fae6ed;
      --shadow-sm: 0 4px 12px rgba(217, 27, 92, 0.05);
      --shadow-md: 0 8px 24px rgba(217, 27, 92, 0.08);
      --shadow-hover: 0 14px 32px rgba(217, 27, 92, 0.16);
      --radius: 12px;
      --radius-sm: 8px;
      --transition: all 0.28s ease;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

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

    body {
      background-color: var(--bg-page);
      background-image: 
        radial-gradient(at 0% 0%, rgba(255, 240, 245, 0.9) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(254, 237, 243, 0.7) 0px, transparent 60%);
      background-attachment: fixed;
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
    }

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

    img {
      max-width: 100%;
      height: auto;
      vertical-align: middle;
    }

    .container {
      width: 100%;
      max-width: 1240px;
      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-card);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    }

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

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

    .brand img {
      height: 40px;
      width: auto;
    }

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

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

    .nav-links li a {
      display: block;
      padding: 10px 14px;
      font-size: 0.95rem;
      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: var(--primary-light);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      padding: 9px 20px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: 50px;
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
      color: #ffffff !important;
      box-shadow: 0 4px 14px var(--primary-glow);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(217, 27, 92, 0.28);
    }

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

    .btn-outline:hover {
      background: var(--primary-light);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      padding: 6px;
      cursor: pointer;
    }

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

    /* 区域公共样式 */
    .section {
      padding: 80px 0;
      position: relative;
    }

    .section-title-wrap {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 50px;
    }

    .section-tag {
      display: inline-block;
      padding: 5px 14px;
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--primary);
      background: var(--primary-light);
      border: 1px solid var(--border-card);
      border-radius: 20px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }

    .section-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* 首屏 Hero */
    .hero-section {
      padding: 90px 0 80px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary);
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid var(--border-color);
      border-radius: 30px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

    .hero-badge .dot {
      width: 8px;
      height: 8px;
      background: var(--secondary);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--secondary);
    }

    .hero-title {
      font-size: 3.2rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 22px;
      letter-spacing: -1px;
    }

    .hero-title span {
      background: linear-gradient(135deg, #d91b5c 20%, #ff527b 80%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.2rem;
      color: var(--text-sub);
      max-width: 820px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

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

    .btn-hero-primary {
      padding: 14px 34px;
      font-size: 1.1rem;
      border-radius: 50px;
    }

    .hero-stat-deck {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      max-width: 1040px;
      margin: 0 auto;
    }

    .stat-pill {
      background: var(--bg-card);
      border: 1px solid var(--border-card);
      padding: 24px 20px;
      border-radius: var(--radius);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      text-align: left;
    }

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

    .stat-pill-label {
      font-size: 0.88rem;
      color: var(--text-sub);
      font-weight: 500;
      margin-bottom: 6px;
    }

    .stat-pill-value {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--primary);
    }

    .stat-pill-detail {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-top: 4px;
    }

    /* 平台核心能力介绍 */
    .grid-intro {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .intro-feature-card {
      background: var(--bg-card);
      border: 1px solid var(--border-card);
      border-radius: var(--radius);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
    }

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

    .feature-icon-bubble {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background: var(--primary-light);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      font-size: 1.4rem;
      color: var(--primary);
    }

    .intro-feature-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .intro-feature-card p {
      font-size: 0.95rem;
      color: var(--text-sub);
      line-height: 1.65;
    }

    /* AIGC 服务场景矩阵 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

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

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

    .matrix-badge {
      display: inline-block;
      font-size: 0.75rem;
      padding: 3px 8px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 4px;
      font-weight: 600;
      margin-bottom: 10px;
      width: fit-content;
    }

    .matrix-card h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .matrix-card p {
      font-size: 0.9rem;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .matrix-action-link {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 4px;
    }

    /* 模型集群标签云 */
    .models-deck {
      background: #ffffff;
      border: 1px solid var(--border-card);
      border-radius: var(--radius);
      padding: 36px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      margin-top: 40px;
    }

    .models-deck h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
    }

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

    .model-chip {
      padding: 6px 14px;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-sub);
      background: #fafafa;
      border: 1px solid #ebebeb;
      border-radius: 30px;
      transition: var(--transition);
    }

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

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

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

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

    .case-img-container {
      width: 100%;
      height: 220px;
      overflow: hidden;
      background: #f0f0f0;
      position: relative;
    }

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

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

    .case-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .case-category {
      font-size: 0.8rem;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 8px;
    }

    .case-body h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .case-body p {
      font-size: 0.9rem;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    /* 流程步骤 */
    .step-chain {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-node {
      background: var(--bg-card);
      border: 1px solid var(--border-card);
      border-radius: var(--radius);
      padding: 30px 20px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .step-node:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-hover);
    }

    .step-idx {
      width: 44px;
      height: 44px;
      background: var(--primary);
      color: #fff;
      font-size: 1.1rem;
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 18px;
      box-shadow: 0 4px 10px var(--primary-glow);
    }

    .step-node h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .step-node p {
      font-size: 0.88rem;
      color: var(--text-sub);
      line-height: 1.5;
    }

    /* 对比评测面板 */
    .compare-container {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .rating-banner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      background: linear-gradient(135deg, #fff5f8 0%, #ffe9f1 100%);
      border: 1px solid var(--border-color);
      padding: 24px 30px;
      border-radius: var(--radius-sm);
      margin-bottom: 30px;
      gap: 20px;
    }

    .score-box {
      display: flex;
      align-items: baseline;
      gap: 8px;
    }

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

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

    .star-tag {
      font-size: 1rem;
      color: #e67e22;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .compare-table-wrap {
      overflow-x: auto;
    }

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

    .compare-table th,
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f0f0f0;
      font-size: 0.95rem;
    }

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

    .col-highlight {
      background: var(--primary-light);
      font-weight: 700;
      color: var(--primary);
    }

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

    .token-tier-card {
      background: var(--bg-card);
      border: 1px solid var(--border-card);
      border-radius: var(--radius);
      padding: 32px 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
    }

    .token-tier-card.featured {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-hover);
    }

    .tier-badge {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 20px;
    }

    .token-tier-card h4 {
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .token-price {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary);
      margin: 16px 0;
    }

    .token-price small {
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--text-muted);
    }

    .token-features {
      list-style: none;
      margin: 24px 0;
      text-align: left;
    }

    .token-features li {
      font-size: 0.9rem;
      color: var(--text-sub);
      padding: 8px 0;
      border-bottom: 1px dashed #f0f0f0;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .token-features li::before {
      content: "✓";
      color: var(--primary);
      font-weight: bold;
    }

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

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

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

    .t-stars {
      color: #f39c12;
      font-size: 0.95rem;
      margin-bottom: 12px;
      letter-spacing: 2px;
    }

    .t-quote {
      font-size: 0.95rem;
      color: var(--text-main);
      line-height: 1.65;
      margin-bottom: 20px;
      font-style: normal;
    }

    .t-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f6f6f6;
      padding-top: 16px;
    }

    .t-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
    }

    .t-info h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

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

    /* 常见问题 FAQ 折叠面板 */
    .faq-wrap {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-card);
      border-radius: var(--radius-sm);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .faq-header {
      padding: 18px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

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

    .faq-icon {
      font-size: 1.2rem;
      transition: transform 0.25s ease;
      color: var(--primary);
    }

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

    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: #fdfdfd;
      padding: 0 24px;
    }

    .faq-item.active .faq-content {
      padding: 0 24px 20px;
    }

    .faq-content p {
      font-size: 0.95rem;
      color: var(--text-sub);
      line-height: 1.7;
    }

    /* 资讯与百科文章 */
    .news-section {
      background: #ffffff;
      border: 1px solid var(--border-card);
      border-radius: var(--radius);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }

    .news-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

    .news-col h4 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 20px;
      padding-bottom: 10px;
      border-bottom: 2px solid var(--primary-light);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .article-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .article-links-list li a {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.95rem;
      color: var(--text-main);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      background: #fbfbfc;
      border: 1px solid #f0f0f0;
    }

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

    /* 需求匹配与联系我们表单 */
    .form-wrapper {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      box-shadow: var(--shadow-md);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr 1.2fr;
    }

    .form-info-side {
      background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
      color: #ffffff;
      padding: 40px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .form-info-side h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 14px;
    }

    .form-info-side p {
      font-size: 0.95rem;
      opacity: 0.92;
      line-height: 1.6;
      margin-bottom: 30px;
    }

    .contact-item-box {
      margin-bottom: 18px;
    }

    .contact-item-box small {
      font-size: 0.8rem;
      opacity: 0.8;
      display: block;
    }

    .contact-item-box strong {
      font-size: 1.1rem;
      font-weight: 700;
    }

    .qr-container {
      margin-top: 20px;
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-sm);
      display: inline-block;
      width: fit-content;
    }

    .qr-container img {
      width: 110px;
      height: 110px;
      display: block;
    }

    .form-fields-side {
      padding: 40px;
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.95rem;
      border: 1px solid #dcdfe6;
      border-radius: var(--radius-sm);
      background: #fff;
      transition: var(--transition);
      color: var(--text-main);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px var(--primary-glow);
    }

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

    /* 加盟代理模块 */
    .agent-box {
      background: linear-gradient(135deg, #fff5f8 0%, #ffffff 100%);
      border: 2px dashed var(--primary);
      border-radius: var(--radius);
      padding: 40px;
      text-align: center;
    }

    .agent-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin: 30px 0;
      text-align: left;
    }

    .agent-item {
      background: #ffffff;
      padding: 20px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-card);
      box-shadow: var(--shadow-sm);
    }

    .agent-item h4 {
      font-size: 1.1rem;
      color: var(--primary);
      margin-bottom: 8px;
      font-weight: 700;
    }

    .agent-item p {
      font-size: 0.88rem;
      color: var(--text-sub);
    }

    /* 页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-card);
      padding: 60px 0 30px;
      margin-top: 60px;
      color: var(--text-main);
    }

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

    .footer-brand p {
      font-size: 0.9rem;
      color: var(--text-sub);
      margin-top: 14px;
      max-width: 320px;
      line-height: 1.6;
    }

    .footer-col h5 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
    }

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

    .footer-links li a {
      font-size: 0.9rem;
      color: var(--text-sub);
    }

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

    .friend-links-area {
      border-top: 1px solid #f0f0f0;
      padding-top: 24px;
      margin-bottom: 24px;
    }

    .friend-links-area h6 {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 12px;
      font-weight: 600;
    }

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

    .friend-links-list a {
      font-size: 0.85rem;
      color: var(--text-sub);
    }

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

    .footer-bottom {
      border-top: 1px solid #f0f0f0;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 浮动客服挂件 */
    .float-service {
      position: fixed;
      right: 20px;
      bottom: 40px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 16px rgba(217, 27, 92, 0.35);
      cursor: pointer;
      position: relative;
      transition: var(--transition);
    }

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

    .float-tooltip {
      position: absolute;
      right: 60px;
      background: #ffffff;
      color: var(--text-main);
      padding: 12px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-card);
      box-shadow: var(--shadow-md);
      width: 150px;
      text-align: center;
      opacity: 0;
      pointer-events: none;
      transition: var(--transition);
      transform: translateX(10px);
    }

    .float-tooltip img {
      width: 100%;
      height: auto;
      border-radius: 4px;
      margin-bottom: 6px;
    }

    .float-tooltip span {
      font-size: 0.8rem;
      color: var(--text-sub);
      display: block;
    }

    .float-btn:hover .float-tooltip {
      opacity: 1;
      pointer-events: auto;
      transform: translateX(0);
    }

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .hero-title {
        font-size: 2.6rem;
      }
      .hero-stat-deck {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-intro,
      .matrix-grid,
      .case-grid,
      .token-grid,
      .testimonial-grid,
      .agent-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .step-chain {
        grid-template-columns: repeat(2, 1fr);
      }
      .form-wrapper {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-card);
        box-shadow: 0 8px 20px rgba(0,0,0,0.06);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        padding: 12px 16px;
      }
      .hero-title {
        font-size: 2rem;
      }
      .hero-subtitle {
        font-size: 1rem;
      }
      .grid-intro,
      .matrix-grid,
      .case-grid,
      .token-grid,
      .testimonial-grid,
      .agent-grid,
      .step-chain,
      .news-grid {
        grid-template-columns: 1fr;
      }
      .hero-stat-deck {
        grid-template-columns: 1fr;
      }
      .section {
        padding: 50px 0;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
      .rating-banner {
        flex-direction: column;
        align-items: flex-start;
      }
    }