/* CSS Reset & Variables - 缤纷糖果亮色风 */
    :root {
      --candy-pink: #ff4081;
      --candy-purple: #7c4dff;
      --candy-cyan: #00e5ff;
      --candy-yellow: #ffd600;
      --candy-peach: #ff6e40;
      --candy-green: #00e676;
      --bg-light: #fafbff;
      --card-bg: #ffffff;
      --card-bg-soft: #f4f6fd;
      --text-main: #1e2432;
      --text-muted: #5e6d82;
      --border-color: #ebedf7;
      --border-candy: #e2e8f0;
      --primary-gradient: linear-gradient(135deg, #ff4081 0%, #7c4dff 50%, #00e5ff 100%);
      --candy-badge-gradient: linear-gradient(135deg, #fff0f5 0%, #ede7f6 100%);
      --container-max-width: 1200px;
      --container-padding: 24px;
      --radius-sm: 10px;
      --radius-md: 18px;
      --radius-lg: 26px;
      --shadow-sm: 0 4px 14px rgba(124, 77, 255, 0.06);
      --shadow-hover: 0 14px 30px rgba(124, 77, 255, 0.14);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

    * {
      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, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      background-image: 
        radial-gradient(circle at 10% 10%, rgba(255, 64, 129, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 30%, rgba(0, 229, 255, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 50% 80%, rgba(124, 77, 255, 0.04) 0%, transparent 50%);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

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

    ul, ol {
      list-style: none;
    }

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

    /* 统一居中容器体系 */
    .app-container {
      width: 100%;
      max-width: var(--container-max-width);
      margin-left: auto;
      margin-right: auto;
      padding-left: var(--container-padding);
      padding-right: var(--container-padding);
    }

    /* 通用组件规范 */
    .section-wrap {
      padding: 80px 0;
      position: relative;
    }

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

    .section-eyebrow {
      display: inline-block;
      padding: 6px 18px;
      background: var(--candy-badge-gradient);
      color: var(--candy-purple);
      font-size: 0.875rem;
      font-weight: 700;
      border-radius: 999px;
      margin-bottom: 16px;
      border: 1px solid rgba(124, 77, 255, 0.15);
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.3;
    }

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

    .btn-candy {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      font-size: 1rem;
      font-weight: 600;
      border-radius: 999px;
      cursor: pointer;
      border: none;
      transition: var(--transition);
      text-align: center;
    }

    .btn-candy-primary {
      background: linear-gradient(135deg, #ff4081 0%, #7c4dff 100%);
      color: #ffffff;
      box-shadow: 0 6px 20px rgba(255, 64, 129, 0.35);
    }

    .btn-candy-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(255, 64, 129, 0.45);
      color: #ffffff;
    }

    .btn-candy-cyan {
      background: linear-gradient(135deg, #00b0ff 0%, #00e5ff 100%);
      color: #0b3251;
      font-weight: 700;
      box-shadow: 0 6px 18px rgba(0, 229, 255, 0.3);
    }

    .btn-candy-cyan:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 22px rgba(0, 229, 255, 0.4);
    }

    .btn-candy-outline {
      background: #ffffff;
      color: var(--candy-purple);
      border: 1.5px solid rgba(124, 77, 255, 0.25);
    }

    .btn-candy-outline:hover {
      background: #f8f6ff;
      border-color: var(--candy-purple);
      transform: translateY(-2px);
    }

    /* 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 var(--border-color);
      box-shadow: 0 2px 10px rgba(0,0,0,0.02);
    }

    .nav-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: 38px;
      width: auto;
    }

    .nav-menu-wrapper {
      display: flex;
      align-items: center;
    }

    /* 要求: 页面CSS .nav-links的gap属性设置为0 */
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }

    .nav-links li a {
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-main);
      padding: 8px 12px;
      border-radius: 8px;
    }

    .nav-links li a:hover {
      color: var(--candy-pink);
      background-color: rgba(255, 64, 129, 0.05);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-left: 20px;
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.6rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 6px;
    }

    /* Hero 首屏 - 无任何图片 */
    .hero-section {
      padding: 90px 0 70px 0;
      position: relative;
      overflow: hidden;
      background: radial-gradient(circle at 50% -20%, rgba(255, 64, 129, 0.12), rgba(124, 77, 255, 0.08) 50%, transparent 70%);
    }

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

    .hero-chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid rgba(255, 64, 129, 0.25);
      box-shadow: 0 4px 15px rgba(255, 64, 129, 0.08);
      padding: 6px 16px;
      border-radius: 999px;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--candy-pink);
      margin-bottom: 24px;
    }

    .hero-chip-badge {
      background: var(--candy-pink);
      color: #ffffff;
      padding: 2px 8px;
      border-radius: 999px;
      font-size: 0.75rem;
    }

    .hero-title {
      font-size: 2.8rem;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 36px;
      max-width: 720px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 40px;
    }

    .hero-cta-group .btn-highlight {
      font-size: 1.125rem;
      padding: 14px 34px;
      box-shadow: 0 8px 24px rgba(124, 77, 255, 0.3);
    }

    /* 首屏纯几何与数据交互卡片区（无图片） */
    .hero-metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 20px;
      text-align: left;
    }

    .metric-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .metric-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: linear-gradient(90deg, var(--candy-pink), var(--candy-cyan));
      opacity: 0.7;
    }

    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(124, 77, 255, 0.3);
    }

    .metric-number {
      font-size: 2rem;
      font-weight: 800;
      color: var(--candy-purple);
      margin-bottom: 6px;
      line-height: 1;
    }

    .metric-label {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .metric-detail {
      font-size: 0.8rem;
      color: var(--text-muted);
      line-height: 1.4;
    }

    /* 平台介绍模块 */
    .about-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 48px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .about-features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 36px;
    }

    .about-feature-item {
      padding: 24px;
      background: var(--card-bg-soft);
      border-radius: var(--radius-md);
      border: 1px solid transparent;
      transition: var(--transition);
    }

    .about-feature-item:hover {
      background: #ffffff;
      border-color: rgba(255, 64, 129, 0.2);
      box-shadow: var(--shadow-sm);
      transform: translateY(-2px);
    }

    .about-feature-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .about-feature-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 模型支持聚合标签云 */
    .models-cloud {
      margin-top: 30px;
      padding: 20px;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .models-cloud-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      text-align: center;
    }

    .tag-container {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      justify-content: center;
    }

    .candy-tag {
      background: #f7f8fe;
      border: 1px solid #e2e8f0;
      padding: 4px 12px;
      border-radius: 999px;
      font-size: 0.8rem;
      color: var(--text-main);
      font-weight: 500;
      transition: var(--transition);
    }

    .candy-tag:hover {
      background: #ffeef4;
      border-color: var(--candy-pink);
      color: var(--candy-pink);
      transform: translateY(-1px);
    }

    /* AIGC 服务与场景网格 */
    .grid-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 30px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(0, 229, 255, 0.4);
    }

    .service-icon-box {
      width: 50px;
      height: 50px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 20px;
      background: linear-gradient(135deg, rgba(255, 64, 129, 0.1), rgba(124, 77, 255, 0.15));
      color: var(--candy-purple);
    }

    .service-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .service-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    .service-badge {
      display: inline-block;
      margin-top: 16px;
      font-size: 0.75rem;
      padding: 4px 10px;
      border-radius: 6px;
      background: #eef2ff;
      color: var(--candy-purple);
      font-weight: 600;
      align-self: flex-start;
    }

    /* 标准制作流程 */
    .flow-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .flow-step-card {
      background: #ffffff;
      padding: 28px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      position: relative;
      transition: var(--transition);
    }

    .flow-step-card:hover {
      transform: translateY(-3px);
      border-color: var(--candy-pink);
    }

    .flow-step-badge {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      margin-bottom: 16px;
    }

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

    .flow-step-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 案例展示区 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

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

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

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

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .case-card:hover .case-img-wrap img {
      transform: scale(1.03);
    }

    .case-info {
      padding: 24px;
    }

    .case-tag {
      font-size: 0.75rem;
      padding: 3px 10px;
      background: #fff0f5;
      color: var(--candy-pink);
      border-radius: 999px;
      font-weight: 600;
      display: inline-block;
      margin-bottom: 8px;
    }

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

    .case-summary {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 对比评测模块 */
    .eval-highlight-box {
      background: linear-gradient(135deg, #fff5f8 0%, #f3f0ff 100%);
      border-radius: var(--radius-lg);
      padding: 36px;
      border: 1px solid rgba(255, 64, 129, 0.2);
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }

    .eval-score-area {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .score-circle {
      width: 84px;
      height: 84px;
      border-radius: 50%;
      background: #ffffff;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 16px rgba(124, 77, 255, 0.15);
      border: 2px solid var(--candy-purple);
    }

    .score-num {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--candy-purple);
      line-height: 1;
    }

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

    .eval-meta h3 {
      font-size: 1.4rem;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .eval-stars {
      color: #ffb300;
      font-size: 1.2rem;
      letter-spacing: 2px;
      margin-bottom: 4px;
    }

    .table-container {
      background: #ffffff;
      border-radius: var(--radius-md);
      overflow-x: auto;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }

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

    .compare-table th {
      background: #f8fafc;
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--text-main);
    }

    .compare-table tr:hover td {
      background: #fcfaff;
    }

    .cell-highlight {
      color: var(--candy-purple);
      font-weight: 700;
    }

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

    .token-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 30px 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: var(--transition);
      position: relative;
    }

    .token-card.popular {
      border: 2px solid var(--candy-pink);
      transform: scale(1.02);
    }

    .token-card.popular::after {
      content: '热卖推荐';
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--candy-pink);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 14px;
      border-radius: 999px;
    }

    .token-tier-title {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .token-price {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--candy-purple);
      margin-bottom: 6px;
    }

    .token-unit {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }

    .token-feature-list {
      text-align: left;
      margin-bottom: 24px;
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .token-feature-list li {
      padding: 6px 0;
      border-bottom: 1px dashed var(--border-color);
    }

    /* 加盟代理板块 */
    .agent-banner {
      background: linear-gradient(135deg, #1f1b3c 0%, #2e285d 100%);
      border-radius: var(--radius-lg);
      padding: 48px;
      color: #ffffff;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 30px;
      align-items: center;
    }

    .agent-title {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: #ffffff;
    }

    .agent-desc {
      font-size: 1rem;
      color: #c9cbdf;
      line-height: 1.6;
      margin-bottom: 24px;
    }

    .agent-perks {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-bottom: 24px;
    }

    .agent-perk-item {
      background: rgba(255, 255, 255, 0.08);
      padding: 12px 16px;
      border-radius: 10px;
      border: 1px solid rgba(255, 255, 255, 0.12);
    }

    .agent-perk-item h4 {
      color: var(--candy-yellow);
      font-size: 0.95rem;
      margin-bottom: 4px;
    }

    .agent-perk-item p {
      color: #d1d5db;
      font-size: 0.8rem;
    }

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

    .review-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }

    .review-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(124, 77, 255, 0.3);
    }

    .review-user-info {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }

    .avatar-placeholder {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple));
      color: #ffffff;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
    }

    .user-name {
      font-weight: 700;
      font-size: 0.95rem;
    }

    .user-role {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    .review-text {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    .review-star {
      color: #ffb300;
      margin-top: 14px;
      font-size: 0.85rem;
    }

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

    .faq-accordion {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      margin-bottom: 12px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-question {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 700;
      font-size: 1.02rem;
      color: var(--text-main);
      user-select: none;
    }

    .faq-question:hover {
      color: var(--candy-purple);
      background-color: #fafbfe;
    }

    .faq-icon {
      transition: transform 0.3s ease;
      font-size: 1.1rem;
      color: var(--text-muted);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
      background-color: #ffffff;
    }

    .faq-answer-inner {
      padding: 0 24px 20px 24px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      border-top: 1px solid #f0f2f8;
      padding-top: 14px;
    }

    .faq-accordion.active .faq-icon {
      transform: rotate(180deg);
      color: var(--candy-pink);
    }

    /* 文章列表 & 行业资讯 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

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

    .article-box h4 {
      font-size: 1.1rem;
      margin-bottom: 16px;
      color: var(--text-main);
      border-left: 4px solid var(--candy-pink);
      padding-left: 10px;
    }

    .article-links-list li {
      margin-bottom: 10px;
    }

    .article-links-list a {
      font-size: 0.9rem;
      color: var(--text-muted);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .article-links-list a:hover {
      color: var(--candy-purple);
      text-decoration: underline;
    }

    /* 需求匹配与联系我们表单 */
    .contact-container {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .contact-info-panel {
      background: var(--card-bg-soft);
      border-radius: var(--radius-md);
      padding: 30px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-meta-item {
      margin-bottom: 20px;
    }

    .contact-meta-item strong {
      display: block;
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 4px;
    }

    .contact-meta-item span, .contact-meta-item a {
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .qr-box {
      text-align: center;
      background: #ffffff;
      padding: 16px;
      border-radius: 12px;
      border: 1px solid var(--border-color);
      margin-top: 20px;
    }

    .qr-box img {
      width: 130px;
      height: 130px;
      margin: 0 auto 8px auto;
      border-radius: 8px;
    }

    .qr-box p {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

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

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

    .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-color: #fbfcff;
      outline: none;
      transition: var(--transition);
    }

    .form-control:focus {
      background-color: #ffffff;
      border-color: var(--candy-purple);
      box-shadow: 0 0 0 3px rgba(124, 77, 255, 0.15);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 110px;
    }

    /* 宣传图画廊区 */
    .banner-gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 40px;
    }

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

    .banner-gallery-item img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    /* 底部 Footer 必须使用深色文字与浅色背景严格对齐 */
    .site-footer {
      background-color: #f4f6fc;
      border-top: 1px solid var(--border-color);
      padding: 60px 0 30px 0;
      color: var(--text-main);
      margin-top: 60px;
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 30px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .footer-col p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 12px;
    }

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

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

    .footer-links-list a:hover {
      color: var(--candy-pink);
    }

    .friend-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

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

    .friend-links-wrap a:hover {
      color: var(--candy-purple);
      text-decoration: underline;
    }

    .footer-bottom {
      border-top: 1px solid #e3e7f0;
      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);
    }

    /* 浮动客服入口 & 返回顶部 */
    .float-widget-bar {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: #ffffff;
      box-shadow: 0 6px 20px rgba(0,0,0,0.12);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--candy-purple);
      font-weight: 700;
      font-size: 0.85rem;
      transition: var(--transition);
      position: relative;
    }

    .float-btn:hover {
      transform: scale(1.08);
      background: var(--candy-pink);
      color: #ffffff;
      border-color: var(--candy-pink);
    }

    .float-qr-popover {
      display: none;
      position: absolute;
      right: 64px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: 12px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.15);
      border: 1px solid var(--border-color);
      width: 140px;
      text-align: center;
    }

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

    .float-qr-popover span {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    .float-btn-kefu:hover .float-qr-popover {
      display: block;
    }

    /* 响应式媒体查询 */
    @media (max-width: 992px) {
      .hero-title {
        font-size: 2.2rem;
      }
      .hero-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-cards, .token-price-grid, .reviews-grid, .banner-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-features-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .agent-banner {
        grid-template-columns: 1fr;
      }
      .contact-container {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }
      .nav-menu-wrapper {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        flex-direction: column;
        align-items: flex-start;
      }
      .nav-menu-wrapper.active {
        display: flex;
      }
      .nav-links {
        flex-direction: column;
        width: 100%;
        align-items: flex-start;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 10px 0;
        width: 100%;
      }
      .nav-actions {
        margin-left: 0;
        margin-top: 16px;
        width: 100%;
        justify-content: center;
      }
      .hero-metrics-grid, .grid-cards, .token-price-grid, .reviews-grid, .flow-steps-grid, .cases-grid, .articles-grid, .banner-gallery-grid, .about-features-grid {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 1.8rem;
      }
      .eval-highlight-box {
        flex-direction: column;
        align-items: flex-start;
      }
    }