:root {
      --primary: #4361ee;
      --primary-light: #4895ef;
      --candy-pink: #f72585;
      --candy-purple: #7209b7;
      --candy-yellow: #f8961e;
      --candy-cyan: #4cc9f0;
      --candy-green: #06d6a0;
      --bg-light: #fafbff;
      --surface: #ffffff;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
      --shadow-sm: 0 4px 12px rgba(67, 97, 238, 0.06);
      --shadow-md: 0 10px 25px rgba(114, 9, 183, 0.08);
      --shadow-lg: 0 16px 36px rgba(247, 37, 133, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 9999px;
    }

    * {
      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-light);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      position: relative;
    }

    /* 页面全局容器 */
    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 装饰背景元素 */
    .bg-candy-decor {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      z-index: -1;
      overflow: hidden;
    }
    .candy-blur {
      position: absolute;
      border-radius: 50%;
      filter: blur(80px);
      opacity: 0.25;
    }
    .blur-1 { top: 5%; left: -5%; width: 450px; height: 450px; background: var(--candy-pink); }
    .blur-2 { top: 25%; right: -5%; width: 500px; height: 500px; background: var(--candy-cyan); }
    .blur-3 { top: 60%; left: 5%; width: 400px; height: 400px; background: var(--candy-yellow); }
    .blur-4 { bottom: 5%; right: 10%; width: 450px; height: 450px; background: var(--candy-purple); }

    /* 顶部导航 */
    header.site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: var(--shadow-sm);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }
    .brand-box .ai-page-logo {
      height: 38px;
      width: auto;
      display: block;
    }
    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple), var(--primary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
    }
    .nav-links li a {
      text-decoration: none;
      color: var(--text-main);
      font-weight: 500;
      font-size: 0.95rem;
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      transition: all 0.25s ease;
      display: inline-block;
    }
    .nav-links li a:hover {
      color: var(--candy-pink);
      background: rgba(247, 37, 133, 0.06);
    }
    .nav-cta-group {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 20px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-pill);
      text-decoration: none;
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      cursor: pointer;
      border: none;
    }
    .btn-candy {
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple));
      color: #ffffff;
      box-shadow: 0 4px 15px rgba(247, 37, 133, 0.3);
    }
    .btn-candy:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(247, 37, 133, 0.45);
      color: #ffffff;
    }
    .btn-outline {
      background: transparent;
      border: 2px solid var(--primary);
      color: var(--primary);
    }
    .btn-outline:hover {
      background: var(--primary);
      color: #ffffff;
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
    }

    /* 模块通用样式 */
    section {
      padding: 70px 0;
      position: relative;
    }
    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 50px auto;
    }
    .badge-pill {
      display: inline-block;
      padding: 6px 16px;
      font-size: 0.85rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      border-radius: var(--radius-pill);
      background: rgba(247, 37, 133, 0.1);
      color: var(--candy-pink);
      margin-bottom: 14px;
      border: 1px solid rgba(247, 37, 133, 0.2);
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 12px;
      line-height: 1.3;
    }
    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 首屏 Hero 区域 (无图片) */
    .hero-section {
      padding: 90px 0 60px 0;
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.8) 0%, rgba(240, 245, 255, 0.6) 100%);
      text-align: center;
    }
    .hero-content {
      max-width: 900px;
      margin: 0 auto;
    }
    .hero-h1 {
      font-size: 2.6rem;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      color: #0f172a;
    }
    .hero-h1 span.gradient-text {
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple), var(--primary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.2rem;
      color: var(--text-muted);
      margin-bottom: 35px;
      line-height: 1.7;
    }
    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 45px;
    }
    .btn-hero-main {
      padding: 14px 34px;
      font-size: 1.1rem;
      background: linear-gradient(135deg, #f72585, #7209b7, #4361ee);
      color: #fff;
      border-radius: var(--radius-pill);
      box-shadow: 0 8px 25px rgba(247, 37, 133, 0.35);
      text-decoration: none;
      font-weight: 700;
      transition: all 0.3s ease;
    }
    .btn-hero-main:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 12px 30px rgba(247, 37, 133, 0.5);
    }
    .btn-hero-sub {
      padding: 14px 30px;
      font-size: 1.1rem;
      background: #ffffff;
      color: var(--text-main);
      border-radius: var(--radius-pill);
      border: 2px solid var(--border-color);
      text-decoration: none;
      font-weight: 600;
      transition: all 0.3s ease;
    }
    .btn-hero-sub:hover {
      border-color: var(--candy-purple);
      color: var(--candy-purple);
      transform: translateY(-2px);
    }
    .hero-tags-box {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      max-width: 800px;
      margin: 0 auto;
    }
    .hero-tag {
      background: rgba(255, 255, 255, 0.85);
      padding: 6px 14px;
      border-radius: var(--radius-pill);
      font-size: 0.85rem;
      font-weight: 600;
      color: #334155;
      border: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
    }

    /* 数据指标卡片 */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: -30px;
      margin-bottom: 30px;
    }
    .metric-card {
      background: var(--surface);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      border: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: var(--shadow-sm);
      transition: transform 0.3s ease;
    }
    .metric-card:hover {
      transform: translateY(-4px);
    }
    .metric-num {
      font-size: 2.2rem;
      font-weight: 800;
      line-height: 1;
      margin-bottom: 6px;
      color: var(--candy-purple);
    }
    .metric-num.pink { color: var(--candy-pink); }
    .metric-num.cyan { color: var(--candy-cyan); }
    .metric-num.orange { color: var(--candy-yellow); }
    .metric-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 平台核心模型矩阵 */
    .model-tags-container {
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
      justify-content: center;
      margin-bottom: 50px;
    }
    .model-chip {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      padding: 6px 14px;
      border-radius: var(--radius-pill);
      font-size: 0.85rem;
      color: #334155;
      font-weight: 600;
      transition: all 0.2s ease;
    }
    .model-chip:hover {
      background: rgba(114, 9, 183, 0.08);
      border-color: var(--candy-purple);
      color: var(--candy-purple);
    }

    /* 卡片通用网格 */
    .card-grid-3 {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
      gap: 24px;
    }
    .candy-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      padding: 30px;
      border: 1px solid rgba(226, 232, 240, 0.9);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      position: relative;
      overflow: hidden;
    }
    .candy-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(114, 9, 183, 0.3);
    }
    .card-icon {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.6rem;
      margin-bottom: 20px;
      background: rgba(67, 97, 238, 0.1);
      color: var(--primary);
    }
    .card-icon.pink { background: rgba(247, 37, 133, 0.1); color: var(--candy-pink); }
    .card-icon.purple { background: rgba(114, 9, 183, 0.1); color: var(--candy-purple); }
    .card-icon.cyan { background: rgba(76, 201, 240, 0.15); color: #0284c7; }
    .card-icon.orange { background: rgba(248, 150, 30, 0.12); color: #ea580c; }
    .card-icon.green { background: rgba(6, 214, 160, 0.15); color: #059669; }
    .candy-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 12px;
    }
    .candy-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .card-badge {
      align-self: flex-start;
      font-size: 0.8rem;
      padding: 4px 10px;
      border-radius: 6px;
      background: #f1f5f9;
      color: #475569;
      font-weight: 600;
    }

    /* 一站式制作场景矩阵 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 20px;
    }
    .scenario-item {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 22px;
      border: 1px solid var(--border-color);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
      transition: all 0.25s ease;
    }
    .scenario-item:hover {
      border-color: var(--candy-pink);
      box-shadow: 0 8px 20px rgba(247, 37, 133, 0.1);
    }
    .scenario-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: #1e293b;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .scenario-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 流程步骤 */
    .steps-container {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .step-card {
      background: #ffffff;
      padding: 26px 20px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      text-align: center;
      position: relative;
    }
    .step-index {
      width: 44px;
      height: 44px;
      line-height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple));
      color: #fff;
      font-weight: 800;
      font-size: 1.1rem;
      margin: 0 auto 16px auto;
    }
    .step-card h3 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .step-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 案例中心图文展示 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .case-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .case-media-box {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #f1f5f9;
      overflow: hidden;
    }
    .case-media-box.square {
      aspect-ratio: 1 / 1;
    }
    .case-media-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.4s ease;
    }
    .case-card:hover .case-media-box img {
      transform: scale(1.05);
    }
    .case-info {
      padding: 20px;
    }
    .case-tag {
      font-size: 0.75rem;
      padding: 3px 8px;
      border-radius: 4px;
      background: rgba(114, 9, 183, 0.1);
      color: var(--candy-purple);
      font-weight: 600;
      display: inline-block;
      margin-bottom: 8px;
    }
    .case-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: #0f172a;
    }
    .case-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 对比评测模块 */
    .rating-banner {
      background: linear-gradient(135deg, rgba(247, 37, 133, 0.08), rgba(114, 9, 183, 0.08));
      border: 1px solid rgba(247, 37, 133, 0.25);
      border-radius: var(--radius-lg);
      padding: 30px;
      display: flex;
      align-items: center;
      justify-content: space-around;
      flex-wrap: wrap;
      gap: 20px;
      margin-bottom: 35px;
      text-align: center;
    }
    .rating-score-box {
      display: flex;
      align-items: baseline;
      gap: 8px;
    }
    .rating-big-num {
      font-size: 3.2rem;
      font-weight: 900;
      color: var(--candy-pink);
      line-height: 1;
    }
    .rating-max {
      font-size: 1.2rem;
      color: var(--text-muted);
      font-weight: 600;
    }
    .stars-icon {
      color: #ffb703;
      font-size: 1.4rem;
      letter-spacing: 2px;
      margin-bottom: 4px;
    }
    .comparison-table-wrapper {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    table.comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    table.comparison-table th,
    table.comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f1f5f9;
      font-size: 0.95rem;
    }
    table.comparison-table th {
      background: #f8fafc;
      font-weight: 700;
      color: #334155;
    }
    table.comparison-table tr:hover {
      background: #fcfdfe;
    }
    .col-highlight {
      background: rgba(247, 37, 133, 0.03);
      font-weight: 600;
      color: var(--candy-purple);
    }

    /* Token比价中心 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .token-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 28px;
      border: 2px solid var(--border-color);
      text-align: center;
      transition: all 0.3s ease;
    }
    .token-card.featured {
      border-color: var(--candy-pink);
      box-shadow: 0 10px 30px rgba(247, 37, 133, 0.15);
      position: relative;
    }
    .token-card.featured::before {
      content: "超低价聚合推荐";
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple));
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 14px;
      border-radius: var(--radius-pill);
    }
    .token-price {
      font-size: 2.4rem;
      font-weight: 800;
      color: #0f172a;
      margin: 16px 0 8px 0;
    }
    .token-price span {
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--text-muted);
    }
    .token-features {
      list-style: none;
      text-align: left;
      margin: 20px 0;
      font-size: 0.9rem;
      color: var(--text-main);
    }
    .token-features li {
      padding: 8px 0;
      border-bottom: 1px dashed #f1f5f9;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 用户评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 26px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-text {
      font-size: 0.95rem;
      color: #334155;
      line-height: 1.6;
      margin-bottom: 20px;
      font-style: normal;
    }
    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .reviewer-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--candy-cyan), var(--primary));
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 700;
      font-size: 1rem;
    }
    .reviewer-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: #0f172a;
    }
    .reviewer-role {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* FAQ 折叠面板 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .faq-item {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      transition: border-color 0.25s ease;
    }
    .faq-item.active {
      border-color: var(--candy-purple);
    }
    .faq-question {
      padding: 18px 24px;
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: none;
      border: none;
      text-align: left;
      font-size: 1.05rem;
      font-weight: 700;
      color: #1e293b;
      cursor: pointer;
    }
    .faq-icon {
      font-size: 1.2rem;
      transition: transform 0.3s ease;
      color: var(--candy-pink);
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
      background: #fafbff;
    }
    .faq-answer-inner {
      padding: 18px 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      border-top: 1px solid #f1f5f9;
    }

    /* 需求匹配与表单 */
    .form-wrapper {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      max-width: 780px;
      margin: 0 auto;
    }
    .form-group {
      margin-bottom: 20px;
    }
    .form-label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      color: #334155;
      margin-bottom: 8px;
    }
    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      background: #f8fafc;
      transition: all 0.2s ease;
    }
    .form-control:focus {
      outline: none;
      border-color: var(--candy-pink);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(247, 37, 133, 0.15);
    }
    .form-grid-2 {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    /* 行业资讯 & 最新文章 */
    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
      gap: 16px;
      margin-top: 20px;
    }
    .article-item-card {
      background: #ffffff;
      padding: 16px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      text-decoration: none;
      color: var(--text-main);
      font-weight: 600;
      font-size: 0.9rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      transition: all 0.2s ease;
    }
    .article-item-card:hover {
      border-color: var(--candy-cyan);
      color: var(--primary);
      transform: translateX(4px);
    }

    /* 加盟代理与横幅 */
    .banner-promo {
      background: linear-gradient(135deg, #7209b7, #4361ee);
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
      flex-wrap: wrap;
    }
    .banner-promo h2 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: #ffffff;
    }
    .banner-promo p {
      font-size: 1.05rem;
      opacity: 0.9;
      max-width: 600px;
      color: #ffffff;
    }

    /* 联系我们与客服二维码 */
    .contact-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }
    .contact-info-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 35px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .qr-card-box {
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }
    .qr-card-box img {
      max-width: 170px;
      height: auto;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 6px;
      background: #ffffff;
      box-shadow: var(--shadow-sm);
      margin-bottom: 14px;
    }

    /* 友情链接与底部 */
    .friendly-links-bar {
      padding: 30px 0;
      border-top: 1px solid var(--border-color);
      background: #ffffff;
    }
    .friendly-links-container {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
    }
    .friendly-links-title {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-muted);
    }
    .friendly-links-container a {
      font-size: 0.85rem;
      color: #475569;
      text-decoration: none;
      padding: 4px 10px;
      background: #f1f5f9;
      border-radius: 4px;
      transition: all 0.2s ease;
    }
    .friendly-links-container a:hover {
      color: var(--candy-pink);
      background: rgba(247, 37, 133, 0.08);
    }

    footer.site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px 0;
      font-size: 0.9rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-brand h3 {
      color: #ffffff;
      font-size: 1.4rem;
      font-weight: 800;
      margin-bottom: 12px;
    }
    .footer-brand p {
      line-height: 1.6;
      max-width: 320px;
      color: #94a3b8;
    }
    .footer-col h4 {
      color: #ffffff;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a {
      color: #94a3b8;
      text-decoration: none;
      transition: color 0.2s ease;
    }
    .footer-links a:hover {
      color: #ffffff;
    }
    .footer-bottom {
      text-align: center;
      padding-top: 25px;
      border-top: 1px solid #1e293b;
      font-size: 0.85rem;
      color: #64748b;
    }

    /* 浮动客服入口 & 返回顶部 */
    .float-dock {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .dock-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      color: var(--text-main);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
      cursor: pointer;
      text-decoration: none;
      transition: all 0.25s ease;
      border: 1px solid var(--border-color);
      position: relative;
    }
    .dock-btn:hover {
      background: var(--candy-pink);
      color: #ffffff;
      transform: translateY(-2px);
    }
    .dock-qr-popup {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
      display: none;
      width: 140px;
      text-align: center;
    }
    .dock-qr-popup img {
      width: 100%;
      height: auto;
      display: block;
      border-radius: 4px;
    }
    .dock-btn:hover .dock-qr-popup {
      display: block;
    }

    /* 响应式媒体查询 */
    @media (max-width: 992px) {
      .hero-h1 { font-size: 2.1rem; }
      .metrics-grid { grid-template-columns: repeat(2, 1fr); }
      .steps-container { grid-template-columns: repeat(2, 1fr); }
      .case-grid { grid-template-columns: 1fr; }
      .token-grid { grid-template-columns: 1fr; }
      .reviews-grid { grid-template-columns: 1fr; }
      .contact-container { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-md);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.active {
        display: flex;
      }
      .menu-toggle {
        display: block;
      }
    }

    @media (max-width: 640px) {
      .hero-h1 { font-size: 1.8rem; }
      .metrics-grid { grid-template-columns: 1fr; }
      .steps-container { grid-template-columns: 1fr; }
      .form-grid-2 { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .banner-promo { text-align: center; justify-content: center; }
    }