:root {
      --bg-page: #f8fbfe;
      --bg-surface: #ffffff;
      --bg-subtle: #f0f6ff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --primary: #0284c7;
      --neon-cyan: #00f5ff;
      --neon-lime: #10b981;
      --neon-violet: #8b5cf6;
      --neon-accent: #06b6d4;
      --border-color: #e2e8f0;
      --border-glow: rgba(6, 182, 212, 0.35);
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 8px 24px rgba(2, 132, 199, 0.08);
      --shadow-lg: 0 16px 36px rgba(6, 182, 212, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --container-w: 1200px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      background-image: 
        radial-gradient(at 0% 0%, rgba(0, 245, 255, 0.08) 0px, transparent 45%),
        radial-gradient(at 100% 10%, rgba(139, 92, 246, 0.07) 0px, transparent 40%),
        radial-gradient(at 50% 100%, rgba(16, 185, 129, 0.06) 0px, transparent 50%);
      background-attachment: fixed;
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }

    .container {
      width: 100%;
      max-width: var(--container-w);
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: 0 4px 18px rgba(15, 23, 42, 0.03);
    }

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

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

    .brand-box .ai-page-logo {
      height: 38px;
      width: auto;
      display: block;
    }

    .brand-title {
      font-size: 19px;
      font-weight: 700;
      letter-spacing: -0.3px;
      color: #0f172a;
    }

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

    .nav-links li a {
      display: block;
      padding: 8px 14px;
      font-size: 14.5px;
      font-weight: 500;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover {
      color: var(--primary);
      background: rgba(2, 132, 199, 0.06);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      border-radius: 999px;
      padding: 10px 22px;
      font-size: 14px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.25s ease;
      white-space: nowrap;
    }

    .btn-neon {
      background: linear-gradient(135deg, #0284c7 0%, #06b6d4 100%);
      color: #ffffff;
      box-shadow: 0 4px 16px rgba(6, 182, 212, 0.35);
    }

    .btn-neon:hover {
      background: linear-gradient(135deg, #0369a1 0%, #0891b2 100%);
      box-shadow: 0 6px 20px rgba(6, 182, 212, 0.5);
      transform: translateY(-2px);
    }

    .btn-outline {
      background: #ffffff;
      color: var(--primary);
      border-color: #bae6fd;
    }

    .btn-outline:hover {
      background: var(--bg-subtle);
      border-color: var(--primary);
    }

    .nav-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      padding: 6px 10px;
      font-size: 18px;
      cursor: pointer;
      color: var(--text-main);
    }

    /* 区域统一通用标题 */
    .section-spacing {
      padding: 80px 0;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 52px;
    }

    .tag-badge {
      display: inline-block;
      padding: 4px 14px;
      background: rgba(6, 182, 212, 0.1);
      border: 1px solid rgba(6, 182, 212, 0.3);
      color: #0284c7;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 750;
      color: #0f172a;
      letter-spacing: -0.5px;
      line-height: 1.3;
      margin-bottom: 14px;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 首屏 Hero (无图片) */
    .hero-section {
      padding: 84px 0 70px;
      position: relative;
    }

    .hero-content {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid rgba(6, 182, 212, 0.4);
      box-shadow: 0 4px 14px rgba(6, 182, 212, 0.15);
      padding: 6px 18px;
      border-radius: 999px;
      font-size: 13.5px;
      font-weight: 600;
      color: #0284c7;
      margin-bottom: 24px;
    }

    .hero-tag-dot {
      width: 8px;
      height: 8px;
      background: #10b981;
      border-radius: 50%;
      box-shadow: 0 0 10px #10b981;
    }

    .hero-title {
      font-size: 44px;
      line-height: 1.25;
      font-weight: 850;
      color: #0b1329;
      letter-spacing: -1px;
      margin-bottom: 20px;
    }

    .hero-title-highlight {
      background: linear-gradient(120deg, #0284c7 0%, #06b6d4 50%, #8b5cf6 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 18px;
      color: var(--text-muted);
      max-width: 760px;
      margin: 0 auto 36px;
      line-height: 1.75;
    }

    .hero-actions {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 16px;
      margin-bottom: 48px;
      flex-wrap: wrap;
    }

    .btn-hero-primary {
      padding: 14px 34px;
      font-size: 16px;
      font-weight: 700;
      box-shadow: 0 8px 26px rgba(6, 182, 212, 0.4);
    }

    /* 首屏数据指标卡片 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 10px;
    }

    .stat-card {
      background: rgba(255, 255, 255, 0.85);
      border: 1px solid #e0f2fe;
      border-radius: var(--radius-md);
      padding: 24px 18px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease, border-color 0.25s ease;
      position: relative;
    }

    .stat-card::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 20%;
      right: 20%;
      height: 3px;
      background: linear-gradient(90deg, #00f5ff, #8b5cf6);
      border-radius: 999px;
      opacity: 0;
      transition: opacity 0.25s ease;
    }

    .stat-card:hover {
      transform: translateY(-4px);
      border-color: #7dd3fc;
    }

    .stat-card:hover::after {
      opacity: 1;
    }

    .stat-value {
      font-size: 32px;
      font-weight: 800;
      color: #0369a1;
      line-height: 1.2;
      margin-bottom: 6px;
    }

    .stat-label {
      font-size: 13.5px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 支持模型滚动/网格展示 */
    .models-bar-wrap {
      margin-top: 48px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 20px 24px;
      box-shadow: var(--shadow-sm);
    }

    .models-title {
      font-size: 13px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--text-light);
      margin-bottom: 14px;
      text-align: center;
    }

    .models-pill-flow {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }

    .model-chip {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      color: #334155;
      padding: 5px 13px;
      font-size: 12.5px;
      font-weight: 600;
      border-radius: 6px;
      transition: all 0.2s ease;
    }

    .model-chip:hover {
      border-color: var(--neon-accent);
      color: var(--primary);
      background: rgba(6, 182, 212, 0.05);
    }

    /* 平台介绍板块 */
    .about-box {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-md);
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .about-lead {
      font-size: 16.5px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 24px;
    }

    .about-points {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr;
      gap: 16px;
    }

    .about-points li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 14.5px;
      color: #1e293b;
    }

    .about-check {
      color: #0284c7;
      font-weight: bold;
      background: rgba(2, 132, 199, 0.1);
      width: 24px;
      height: 24px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .about-side-box {
      background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
      border: 1px solid #bae6fd;
      border-radius: var(--radius-md);
      padding: 32px;
      position: relative;
    }

    .about-side-box h4 {
      font-size: 20px;
      color: #0369a1;
      margin-bottom: 14px;
    }

    .about-side-box p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.7;
    }

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

    .badge-item {
      background: #ffffff;
      border: 1px solid #7dd3fc;
      color: #0369a1;
      font-size: 12px;
      padding: 4px 10px;
      border-radius: 4px;
      font-weight: 500;
    }

    /* 服务与能力卡片网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 30px 24px;
      transition: all 0.3s ease;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      position: relative;
      overflow: hidden;
    }

    .service-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: linear-gradient(180deg, #0284c7, #06b6d4);
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: #bae6fd;
    }

    .service-card:hover::before {
      opacity: 1;
    }

    .service-icon-box {
      width: 46px;
      height: 46px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(2, 132, 199, 0.12), rgba(6, 182, 212, 0.18));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      color: #0284c7;
      margin-bottom: 18px;
    }

    .service-card h3 {
      font-size: 18px;
      color: #0f172a;
      margin-bottom: 10px;
      font-weight: 700;
    }

    .service-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
    }

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

    .service-tag {
      background: #f1f5f9;
      font-size: 11.5px;
      color: #475569;
      padding: 3px 8px;
      border-radius: 4px;
    }

    /* 行业方案 - 选项卡/排版 */
    .sol-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .sol-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 24px;
      transition: all 0.25s ease;
    }

    .sol-card:hover {
      border-color: #38bdf8;
      box-shadow: 0 10px 24px rgba(2, 132, 199, 0.08);
      transform: translateY(-3px);
    }

    .sol-header {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 14px;
    }

    .sol-num {
      width: 28px;
      height: 28px;
      border-radius: 8px;
      background: #0284c7;
      color: #ffffff;
      font-weight: 700;
      font-size: 13px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .sol-card h4 {
      font-size: 16px;
      color: #0f172a;
      font-weight: 700;
    }

    .sol-card p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
    }

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

    .step-item {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 28px 20px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-badge {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, #0284c7, #06b6d4);
      color: #ffffff;
      font-weight: 800;
      font-size: 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
      box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
    }

    .step-item h4 {
      font-size: 16.5px;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .step-item p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 案例展示区 */
    .case-banner-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      margin-bottom: 24px;
    }

    .case-media-box {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .case-media-box img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.3s ease;
    }

    .case-media-box:hover img {
      transform: scale(1.02);
    }

    .case-info {
      padding: 20px;
    }

    .case-info h4 {
      font-size: 16.5px;
      font-weight: 700;
      margin-bottom: 6px;
      color: #0f172a;
    }

    .case-info p {
      font-size: 13.5px;
      color: var(--text-muted);
    }

    .case-tri-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .case-thumb-box {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .case-thumb-box img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* 对比评测要求板块 */
    .rating-highlight-box {
      background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-lg);
      margin-bottom: 30px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 24px;
    }

    .rating-info-left h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 10px;
      color: #38bdf8;
    }

    .rating-info-left p {
      font-size: 15px;
      color: #94a3b8;
      max-width: 580px;
    }

    .rating-badge-group {
      display: flex;
      align-items: center;
      gap: 20px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-md);
      padding: 18px 28px;
    }

    .stars-score {
      font-size: 34px;
      font-weight: 800;
      color: #38bdf8;
      line-height: 1;
    }

    .stars-score small {
      font-size: 16px;
      color: #cbd5e1;
      font-weight: 400;
    }

    .stars-desc {
      font-size: 14px;
      line-height: 1.4;
      color: #e2e8f0;
    }

    .stars-desc span {
      color: #facc15;
      font-size: 17px;
    }

    .table-container {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      overflow-x: auto;
      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 #e2e8f0;
    }

    .compare-table th {
      background: #f8fafc;
      font-weight: 700;
      color: #1e293b;
    }

    .col-highlight {
      background: rgba(6, 182, 212, 0.04);
      color: #0369a1;
      font-weight: 600;
    }

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

    .token-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 30px 24px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: all 0.25s ease;
    }

    .token-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #38bdf8;
    }

    .token-card.featured {
      border: 2px solid #0284c7;
      position: relative;
    }

    .token-featured-tag {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: #0284c7;
      color: #ffffff;
      font-size: 11px;
      padding: 3px 12px;
      border-radius: 999px;
      font-weight: 700;
      letter-spacing: 0.5px;
    }

    .token-tier-name {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 10px;
      color: #0f172a;
    }

    .token-price {
      font-size: 32px;
      font-weight: 800;
      color: #0284c7;
      margin-bottom: 16px;
    }

    .token-price span {
      font-size: 13.5px;
      color: var(--text-light);
      font-weight: normal;
    }

    .token-features {
      list-style: none;
      text-align: left;
      margin: 20px 0 24px;
      border-top: 1px solid #f1f5f9;
      padding-top: 20px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      font-size: 13.5px;
      color: #334155;
    }

    .token-features li {
      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: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 26px 22px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-text {
      font-size: 14px;
      color: #334155;
      line-height: 1.7;
      margin-bottom: 18px;
    }

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

    .review-avatar-char {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, #0284c7, #38bdf8);
      color: #ffffff;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
    }

    .review-author h5 {
      font-size: 14px;
      color: #0f172a;
      font-weight: 700;
    }

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

    /* 需求匹配与表单 */
    .form-section-box {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-md);
    }

    .form-wrap-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      align-items: start;
    }

    .form-intro-left h3 {
      font-size: 24px;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 14px;
    }

    .form-intro-left p {
      font-size: 14.5px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 24px;
    }

    .contact-mini-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      font-size: 14px;
      color: #1e293b;
    }

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

    .form-element-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .form-full-w {
      grid-column: span 2;
    }

    .form-group label {
      display: block;
      font-size: 13.5px;
      font-weight: 600;
      color: #334155;
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 11px 14px;
      font-size: 14px;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      background: #ffffff;
      color: #0f172a;
      outline: none;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .form-control:focus {
      border-color: #0284c7;
      box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 96px;
    }

    /* FAQ 手风琴 */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: border-color 0.2s ease;
    }

    .faq-header {
      width: 100%;
      padding: 18px 22px;
      background: none;
      border: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      text-align: left;
      font-size: 15.5px;
      font-weight: 600;
      color: #0f172a;
      cursor: pointer;
    }

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

    .faq-icon {
      font-size: 18px;
      font-weight: 400;
      color: var(--text-light);
      transition: transform 0.25s ease;
    }

    .faq-body {
      padding: 0 22px 18px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      display: none;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    .faq-item.active {
      border-color: #7dd3fc;
      box-shadow: 0 4px 14px rgba(2, 132, 199, 0.05);
    }

    .faq-item.active .faq-body {
      display: block;
    }

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

    /* 资讯中心与最新文章 */
    .news-section-wrap {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 30px;
    }

    .news-box-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }

    .news-box-card h4 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 16px;
      color: #0f172a;
      border-left: 4px solid #0284c7;
      padding-left: 10px;
    }

    .article-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .article-links-list li a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 14px;
      background: #f8fafc;
      border: 1px solid #f1f5f9;
      border-radius: var(--radius-sm);
      font-size: 13.5px;
      color: #334155;
    }

    .article-links-list li a:hover {
      background: #f0f9ff;
      border-color: #bae6fd;
      color: #0284c7;
    }

    .agency-banner {
      background: linear-gradient(135deg, #0284c7, #06b6d4);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 44px;
      text-align: center;
      margin-top: 50px;
      box-shadow: 0 12px 32px rgba(2, 132, 199, 0.25);
    }

    .agency-banner h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .agency-banner p {
      font-size: 15px;
      max-width: 680px;
      margin: 0 auto 24px;
      opacity: 0.95;
      line-height: 1.7;
    }

    /* 页脚 */
    .site-footer {
      background: #0b1329;
      color: #94a3b8;
      padding: 60px 0 30px;
      border-top: 1px solid #1e293b;
      margin-top: 80px;
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col h5 {
      color: #ffffff;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .footer-col p {
      font-size: 13.5px;
      line-height: 1.7;
      margin-bottom: 14px;
      color: #94a3b8;
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 9px;
      font-size: 13.5px;
    }

    .footer-links-list a:hover {
      color: #38bdf8;
    }

    .qr-box-wrap {
      display: flex;
      align-items: center;
      gap: 16px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 12px;
      border-radius: var(--radius-md);
    }

    .qr-box-wrap img {
      width: 76px;
      height: 76px;
      border-radius: 6px;
      display: block;
      background: #ffffff;
    }

    .qr-text-info {
      font-size: 12.5px;
      line-height: 1.5;
    }

    .qr-text-info strong {
      color: #ffffff;
      display: block;
      margin-bottom: 4px;
    }

    .friendly-links-bar {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      margin-bottom: 24px;
      font-size: 13px;
    }

    .friendly-links-bar strong {
      color: #cbd5e1;
      margin-right: 12px;
    }

    .friendly-links-flex {
      display: inline-flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .friendly-links-flex a {
      color: #94a3b8;
    }

    .friendly-links-flex a:hover {
      color: #38bdf8;
    }

    .footer-bottom-copy {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: #64748b;
    }

    /* 浮动侧边栏 */
    .floating-kefu {
      position: fixed;
      right: 20px;
      bottom: 40px;
      z-index: 990;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      box-shadow: 0 4px 16px rgba(15, 23, 42, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: #0284c7;
      font-size: 19px;
      transition: all 0.25s ease;
      position: relative;
    }

    .float-btn:hover {
      background: #0284c7;
      color: #ffffff;
      transform: translateY(-2px);
    }

    .float-popover {
      position: absolute;
      right: 58px;
      bottom: 0;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      padding: 14px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      display: none;
      width: 170px;
      text-align: center;
      color: #0f172a;
    }

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

    .float-popover p {
      font-size: 12px;
      color: var(--text-muted);
    }

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

    /* 响应式样式适配 */
    @media (max-width: 1024px) {
      .services-grid, .sol-grid, .hero-stats-grid, .reviews-grid, .token-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 24px;
        border-bottom: 1px solid #e2e8f0;
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        padding: 10px 0;
      }
      .nav-toggle {
        display: block;
      }
      .hero-title {
        font-size: 30px;
      }
      .hero-stats-grid, .services-grid, .sol-grid, .reviews-grid, .token-grid, .case-banner-grid, .case-tri-grid, .about-grid, .form-wrap-grid, .news-section-wrap {
        grid-template-columns: 1fr;
      }
      .flow-steps {
        grid-template-columns: 1fr;
      }
      .rating-highlight-box {
        flex-direction: column;
        align-items: flex-start;
      }
      .form-element-grid {
        grid-template-columns: 1fr;
      }
      .form-full-w {
        grid-column: span 1;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
    }