/* CSS Reset & Base Variables - 极致鲜亮风 (Vibrant Bright Tech) */
    :root {
      --primary: #0052ff;
      --primary-light: #3b82f6;
      --accent-cyan: #00d2ff;
      --accent-purple: #7928ca;
      --accent-orange: #ff5c00;
      --accent-emerald: #00d084;
      --bg-page: #f8fafc;
      --bg-surface: #ffffff;
      --bg-surface-alt: #f1f5f9;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-light: rgba(226, 232, 240, 0.9);
      --border-focus: rgba(0, 82, 255, 0.4);
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 10px 25px -5px rgba(0, 82, 255, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
      --shadow-lg: 0 20px 40px -15px rgba(0, 82, 255, 0.15);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --container-max: 1200px;
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      background-image: 
        radial-gradient(at 0% 0%, rgba(0, 210, 255, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(121, 40, 202, 0.08) 0px, transparent 50%),
        radial-gradient(at 50% 100%, rgba(0, 82, 255, 0.06) 0px, transparent 50%);
      background-attachment: fixed;
    }

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

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

    /* 容器规范：全站统一步调 */
    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-light);
      box-shadow: 0 4px 20px rgba(0, 82, 255, 0.03);
    }

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

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

    .ai-page-logo {
      height: 40px;
      width: auto;
      object-fit: contain;
    }

    .brand-title {
      font-size: 20px;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .brand-badge {
      font-size: 11px;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 20px;
      background: linear-gradient(135deg, var(--accent-orange), #ff007a);
      color: #ffffff;
      text-transform: uppercase;
    }

    /* 规定：.nav-links 的 gap 属性设置为 0 */
    .nav-links {
      display: flex;
      gap: 0;
      list-style: none;
      align-items: center;
    }

    .nav-links li a {
      font-size: 14.5px;
      font-weight: 600;
      color: var(--text-muted);
      padding: 8px 14px;
      border-radius: 8px;
      position: relative;
    }

    .nav-links li a:hover {
      color: var(--primary);
      background: rgba(0, 82, 255, 0.05);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      border-radius: var(--radius-md);
      font-size: 14.5px;
      font-weight: 700;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(0, 82, 255, 0.28);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(0, 82, 255, 0.4);
    }

    .btn-accent {
      background: linear-gradient(135deg, #ff5c00, #ff007a);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(255, 92, 0, 0.25);
    }

    .btn-accent:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(255, 92, 0, 0.35);
    }

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

    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(0, 82, 255, 0.04);
    }

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

    /* 页面各 Section 统一标头 */
    .section-wrap {
      padding: 72px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 48px;
    }

    .section-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      background: rgba(0, 82, 255, 0.08);
      padding: 4px 12px;
      border-radius: 30px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      line-height: 1.3;
      margin-bottom: 12px;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 规则强调：首屏 HERO 绝对无图片，利用纯色、鲜明渐变、几何块与CSS动画构建 */
    .hero-section {
      padding: 70px 0 60px;
      position: relative;
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }

    .hero-content {
      position: relative;
      z-index: 2;
    }

    .hero-badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      padding: 6px 14px;
      border-radius: 50px;
      font-size: 13px;
      font-weight: 700;
      color: var(--text-main);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent-emerald);
      box-shadow: 0 0 10px var(--accent-emerald);
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(1.3); }
    }

    /* H1 要求控制在20字以内 */
    .hero-title {
      font-size: 44px;
      font-weight: 900;
      line-height: 1.22;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-title .highlight-blue {
      color: var(--primary);
      position: relative;
      display: inline-block;
    }

    .hero-title .highlight-accent {
      background: linear-gradient(135deg, #ff007a, var(--accent-orange));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 17px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 32px;
    }

    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
      margin-bottom: 36px;
    }

    /* 规则要求：首屏要醒目出现访问官网按钮，链接到https://doaigc.com */
    .btn-hero-official {
      padding: 14px 34px;
      font-size: 16px;
      font-weight: 800;
      border-radius: 50px;
      background: linear-gradient(135deg, #0052ff 0%, #00d2ff 100%);
      color: #ffffff;
      box-shadow: 0 8px 24px rgba(0, 82, 255, 0.35);
      border: 2px solid rgba(255, 255, 255, 0.4);
      display: inline-flex;
      align-items: center;
      gap: 10px;
      transform: scale(1.02);
    }

    .btn-hero-official:hover {
      transform: translateY(-2px) scale(1.04);
      box-shadow: 0 12px 30px rgba(0, 82, 255, 0.45);
    }

    .hero-badges-list {
      display: flex;
      gap: 16px;
      font-size: 13.5px;
      color: var(--text-light);
      font-weight: 600;
      align-items: center;
    }

    .hero-badges-list span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* 首屏纯CSS高能科技交互看板（无图！） */
    .hero-visual-card {
      background: #ffffff;
      border: 1px solid rgba(0, 82, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: 0 20px 45px -10px rgba(0, 82, 255, 0.14);
      position: relative;
    }

    .matrix-board-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 18px;
      margin-bottom: 20px;
      border-bottom: 1px solid var(--border-light);
    }

    .matrix-title {
      font-size: 16px;
      font-weight: 800;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .status-online {
      font-size: 12px;
      color: var(--accent-emerald);
      background: rgba(0, 208, 132, 0.1);
      padding: 3px 10px;
      border-radius: 20px;
      font-weight: 700;
    }

    .model-pills-flow {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 24px;
    }

    .model-pill {
      font-size: 12px;
      font-weight: 700;
      padding: 6px 12px;
      border-radius: 8px;
      background: var(--bg-surface-alt);
      color: var(--text-main);
      border: 1px solid rgba(0, 0, 0, 0.04);
      transition: var(--transition);
    }

    .model-pill.active {
      background: linear-gradient(135deg, rgba(0, 82, 255, 0.1), rgba(0, 210, 255, 0.1));
      color: var(--primary);
      border-color: rgba(0, 82, 255, 0.3);
    }

    .model-pill:hover {
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-1px);
    }

    .metric-bars {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .metric-row {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .metric-labels {
      display: flex;
      justify-content: space-between;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-muted);
    }

    .progress-track {
      height: 8px;
      border-radius: 6px;
      background: #e2e8f0;
      overflow: hidden;
      position: relative;
    }

    .progress-fill {
      height: 100%;
      border-radius: 6px;
    }

    .fill-blue {
      width: 98%;
      background: linear-gradient(90deg, var(--primary), var(--accent-cyan));
    }

    .fill-purple {
      width: 94%;
      background: linear-gradient(90deg, var(--accent-purple), #ff007a);
    }

    .fill-emerald {
      width: 99.2%;
      background: linear-gradient(90deg, var(--accent-emerald), #a3e635);
    }

    /* 4大核心数据指标条 */
    .stats-strip {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px 32px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      box-shadow: var(--shadow-sm);
      margin-top: -10px;
      margin-bottom: 30px;
    }

    .stat-box {
      text-align: center;
      position: relative;
    }

    .stat-box:not(:last-child)::after {
      content: "";
      position: absolute;
      right: 0;
      top: 15%;
      height: 70%;
      width: 1px;
      background: var(--border-light);
    }

    .stat-number {
      font-size: 32px;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 6px;
    }

    .stat-label {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-muted);
    }

    /* 平台介绍 Section */
    .about-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .about-info-title {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .about-text {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 20px;
    }

    .about-features-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .about-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

    .about-icon {
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: rgba(0, 82, 255, 0.1);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      flex-shrink: 0;
    }

    .about-matrix-box {
      background: linear-gradient(135deg, #f0f7ff, #faf5ff);
      border: 1px solid rgba(0, 82, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 30px;
    }

    .matrix-badge-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .badge-chip {
      background: #ffffff;
      border: 1px solid rgba(0, 82, 255, 0.15);
      border-radius: 6px;
      padding: 6px 12px;
      font-size: 12.5px;
      font-weight: 700;
      color: var(--text-main);
    }

    /* 一站式制作与服务场景卡片网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(0, 82, 255, 0.3);
    }

    .service-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(0, 82, 255, 0.1), rgba(0, 210, 255, 0.1));
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      margin-bottom: 20px;
      font-weight: 900;
    }

    .service-title {
      font-size: 18px;
      font-weight: 800;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .service-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
    }

    .service-tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .service-tag {
      font-size: 11.5px;
      background: var(--bg-surface-alt);
      color: var(--text-light);
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 600;
    }

    /* 对比评测 板块 (严格按要求展现 9.9分 与 五星推荐) */
    .review-score-banner {
      background: linear-gradient(135deg, #ffffff, #f0f7ff);
      border: 2px solid rgba(0, 82, 255, 0.2);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 300px 1fr;
      gap: 36px;
      align-items: center;
      margin-bottom: 40px;
    }

    .score-badge-card {
      text-align: center;
      background: #ffffff;
      border: 1px solid rgba(0, 82, 255, 0.15);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .score-big {
      font-size: 60px;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
    }

    .score-scale {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-light);
      margin-bottom: 8px;
    }

    .score-stars {
      color: #ffb800;
      font-size: 20px;
      margin-bottom: 8px;
      letter-spacing: 2px;
    }

    .score-verdict {
      font-size: 13.5px;
      font-weight: 800;
      color: var(--accent-orange);
      background: rgba(255, 92, 0, 0.08);
      padding: 4px 12px;
      border-radius: 20px;
      display: inline-block;
    }

    .score-details-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .score-detail-item {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      padding: 12px 16px;
      font-size: 13.5px;
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 600;
      color: var(--text-main);
    }

    .score-detail-item svg {
      color: var(--accent-emerald);
      flex-shrink: 0;
    }

    /* 对比表格 */
    .compare-table-wrap {
      overflow-x: auto;
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }

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

    .compare-table th {
      background: var(--bg-surface-alt);
      font-weight: 800;
      color: var(--text-main);
    }

    .compare-table .highlight-col {
      background: rgba(0, 82, 255, 0.03);
      font-weight: 700;
      color: var(--primary);
    }

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

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

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

    .token-card.featured {
      border: 2px solid var(--primary);
      background: linear-gradient(180deg, #ffffff 0%, #f4f8ff 100%);
    }

    .token-badge {
      position: absolute;
      top: 14px;
      right: 14px;
      font-size: 11px;
      font-weight: 800;
      padding: 3px 8px;
      border-radius: 20px;
      background: var(--accent-emerald);
      color: #ffffff;
    }

    .token-model-name {
      font-size: 18px;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .token-prices {
      margin-bottom: 16px;
    }

    .token-price-now {
      font-size: 24px;
      font-weight: 900;
      color: var(--primary);
    }

    .token-price-old {
      font-size: 13px;
      color: var(--text-light);
      text-decoration: line-through;
      margin-left: 6px;
    }

    .token-desc {
      font-size: 13px;
      color: var(--text-muted);
      border-top: 1px dashed var(--border-light);
      padding-top: 12px;
      margin-bottom: 16px;
    }

    /* 案例展示区（含素材图） */
    .case-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 24px;
    }

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

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

    .case-img-wrap {
      width: 100%;
      overflow: hidden;
      background: #e2e8f0;
      position: relative;
    }

    .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-body {
      padding: 20px 24px;
    }

    .case-title {
      font-size: 17px;
      font-weight: 800;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .case-desc {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.5;
    }

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

    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px 18px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-num {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
      color: #ffffff;
      font-weight: 800;
      font-size: 15px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 14px;
    }

    .step-title {
      font-size: 16px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 12.5px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 客户评论卡片网格 (6位用户真实感评论) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .review-stars {
      color: #ffb800;
      font-size: 14px;
      margin-bottom: 12px;
    }

    .review-content {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-light);
      padding-top: 14px;
    }

    .author-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 14px;
    }

    .author-info h4 {
      font-size: 14px;
      font-weight: 800;
      color: var(--text-main);
    }

    .author-info p {
      font-size: 12px;
      color: var(--text-light);
    }

    /* FAQ 手风琴 */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

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

    .faq-item.active {
      border-color: rgba(0, 82, 255, 0.4);
      box-shadow: var(--shadow-md);
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-icon-arrow {
      width: 18px;
      height: 18px;
      transition: transform 0.3s ease;
      stroke: var(--primary);
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
      background: var(--bg-surface-alt);
    }

    .faq-answer-inner {
      padding: 16px 24px 20px;
      font-size: 14.5px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 需求表单与联系我们区域 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
      align-items: stretch;
    }

    .form-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

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

    .form-label {
      display: block;
      font-size: 13.5px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      font-size: 14.5px;
      color: var(--text-main);
      background: var(--bg-surface-alt);
      outline: none;
      transition: var(--transition);
      font-family: inherit;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(0, 82, 255, 0.1);
    }

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

    .contact-info-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .qr-container {
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 20px;
      background: var(--bg-surface-alt);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      margin-bottom: 24px;
    }

    .qr-img {
      width: 110px;
      height: 110px;
      border-radius: 8px;
      background: #ffffff;
      padding: 4px;
      border: 1px solid #e2e8f0;
      object-fit: cover;
      flex-shrink: 0;
    }

    .contact-meta-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      font-size: 14px;
      color: var(--text-muted);
    }

    .meta-item {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .meta-item strong {
      color: var(--text-main);
    }

    /* 行业资讯与文章 */
    .articles-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px 30px;
      box-shadow: var(--shadow-sm);
      margin-top: 30px;
    }

    .articles-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 14px;
    }

    .article-link-chip {
      font-size: 13px;
      padding: 6px 14px;
      background: var(--bg-surface-alt);
      border-radius: 6px;
      color: var(--primary);
      font-weight: 600;
      border: 1px solid var(--border-light);
    }

    .article-link-chip:hover {
      background: var(--primary);
      color: #ffffff;
    }

    /* 加盟代理模块 */
    .agent-banner {
      background: linear-gradient(135deg, #0f172a, #1e293b);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 48px;
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-lg);
    }

    .agent-banner::before {
      content: "";
      position: absolute;
      top: -50px;
      right: -50px;
      width: 260px;
      height: 260px;
      background: radial-gradient(circle, rgba(0, 210, 255, 0.3) 0%, transparent 70%);
      pointer-events: none;
    }

    .agent-grid {
      display: grid;
      grid-template-columns: 1.3fr 0.7fr;
      gap: 40px;
      align-items: center;
      position: relative;
      z-index: 2;
    }

    .agent-title {
      font-size: 30px;
      font-weight: 900;
      margin-bottom: 14px;
      line-height: 1.3;
      color: #ffffff;
    }

    .agent-desc {
      font-size: 15px;
      color: #94a3b8;
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .agent-perks {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .agent-perk {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 8px;
      padding: 8px 16px;
      font-size: 13px;
      font-weight: 700;
      color: #38bdf8;
    }

    /* 页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-light);
      padding: 50px 0 30px;
      color: var(--text-muted);
      font-size: 14px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 36px;
    }

    .footer-brand h3 {
      font-size: 20px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 13.5px;
      line-height: 1.7;
      color: var(--text-light);
      max-width: 380px;
    }

    .footer-heading {
      font-size: 15px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .friend-links a {
      font-size: 13px;
      color: var(--text-muted);
      background: var(--bg-surface-alt);
      padding: 4px 10px;
      border-radius: 4px;
    }

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

    .footer-bottom {
      border-top: 1px solid var(--border-light);
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: var(--text-light);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 悬浮交互挂件 */
    .float-dock {
      position: fixed;
      right: 20px;
      bottom: 40px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .dock-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-light);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--primary);
      transition: var(--transition);
      position: relative;
    }

    .dock-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: scale(1.1);
    }

    .dock-qr-popup {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      padding: 14px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-light);
      display: none;
      width: 160px;
      text-align: center;
      z-index: 1000;
    }

    .dock-qr-popup img {
      width: 100%;
      height: auto;
      margin-bottom: 6px;
    }

    .dock-qr-popup span {
      font-size: 12px;
      font-weight: 700;
      color: var(--text-main);
    }

    .dock-btn:hover .dock-qr-popup {
      display: block;
    }

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .about-card {
        grid-template-columns: 1fr;
      }
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .timeline-steps {
        grid-template-columns: repeat(3, 1fr);
      }
      .token-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-grid {
        grid-template-columns: 1fr;
      }
      .agent-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .hero-title {
        font-size: 32px;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px;
        box-shadow: var(--shadow-md);
        border-bottom: 1px solid var(--border-light);
      }
      .nav-links.active {
        display: flex;
      }
      .mobile-menu-btn {
        display: block;
      }
      .stats-strip {
        grid-template-columns: repeat(2, 1fr);
        padding: 18px;
      }
      .services-grid {
        grid-template-columns: 1fr;
      }
      .timeline-steps {
        grid-template-columns: 1fr;
      }
      .token-grid {
        grid-template-columns: 1fr;
      }
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .case-grid {
        grid-template-columns: 1fr;
      }
      .review-score-banner {
        grid-template-columns: 1fr;
        padding: 24px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }