:root {
      --primary: #0284c7;
      --primary-hover: #0369a1;
      --primary-light: #e0f2fe;
      --accent: #f59e0b;
      --accent-hover: #d97706;
      --dark-text: #0f172a;
      --muted-text: #475569;
      --light-text: #64748b;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --bg-alt: #f1f5f9;
      --border-color: #e2e8f0;
      --border-focus: #38bdf8;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
      --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
      --shadow-lg: 0 10px 25px rgba(2,132,199,0.12);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

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

    body {
      font-family: var(--font-family);
      background-color: var(--bg-page);
      color: var(--dark-text);
      line-height: 1.65;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: box-shadow 0.3s ease;
    }
    .site-header.scrolled {
      box-shadow: var(--shadow-sm);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .nav-brand {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .nav-brand img.ai-page-logo {
      height: 38px;
      width: auto;
    }
    .brand-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--dark-text);
      letter-spacing: -0.02em;
    }
    .nav-menu {
      display: flex;
      align-items: center;
    }
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
    }
    .nav-links li a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--muted-text);
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      display: inline-block;
    }
    .nav-links li a:hover {
      color: var(--primary);
      background-color: var(--primary-light);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-left: 16px;
    }
    .btn-nav-primary {
      background: var(--primary);
      color: #ffffff !important;
      padding: 8px 18px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 0.92rem;
      box-shadow: 0 2px 6px rgba(2, 132, 199, 0.3);
    }
    .btn-nav-primary:hover {
      background: var(--primary-hover);
      transform: translateY(-1px);
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--dark-text);
      cursor: pointer;
      padding: 4px;
    }

    /* 通用区块排版 */
    .section-wrap {
      padding: 80px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-alt);
    }
    .section-white {
      background-color: #ffffff;
    }
    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 52px auto;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary);
      background: var(--primary-light);
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }
    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--dark-text);
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.02em;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--muted-text);
      line-height: 1.6;
    }

    /* 首屏 HERO 区 (无图片，极致鲜亮几何与高质感纯CSS构建) */
    .hero-section {
      background: radial-gradient(circle at 80% 20%, #e0f2fe 0%, #f0fdf4 40%, #f8fafc 80%);
      padding: 90px 0 80px 0;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }
    .hero-wrapper {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      background: #ffffff;
      border: 1px solid #bae6fd;
      border-radius: 30px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 20px;
    }
    .badge-dot {
      width: 8px;
      height: 8px;
      background: #10b981;
      border-radius: 50%;
      box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
    }
    .badge-text {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary);
    }
    .hero-h1 {
      font-size: 2.6rem;
      font-weight: 900;
      color: var(--dark-text);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.03em;
    }
    .hero-p {
      font-size: 1.12rem;
      color: var(--muted-text);
      margin-bottom: 32px;
      line-height: 1.7;
    }
    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      margin-bottom: 36px;
    }
    .btn-main-hero {
      background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 700;
      padding: 14px 32px;
      border-radius: var(--radius-md);
      box-shadow: 0 8px 20px rgba(2, 132, 199, 0.35);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }
    .btn-main-hero:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 24px rgba(2, 132, 199, 0.45);
      background: linear-gradient(135deg, #0369a1 0%, #075985 100%);
    }
    .btn-secondary-hero {
      background: #ffffff;
      color: var(--dark-text);
      font-size: 1.05rem;
      font-weight: 600;
      padding: 14px 28px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .btn-secondary-hero:hover {
      background: var(--bg-alt);
      border-color: #cbd5e1;
    }
    .hero-features-list {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--muted-text);
    }
    .feature-point {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .feature-point::before {
      content: "✓";
      color: #0284c7;
      font-weight: 900;
    }

    /* Hero 右侧纯CSS科技交互看板 */
    .hero-dashboard-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(2, 132, 199, 0.2);
      box-shadow: var(--shadow-lg);
      padding: 28px;
      position: relative;
    }
    .dash-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 16px;
      margin-bottom: 20px;
    }
    .dash-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--dark-text);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .dash-status {
      font-size: 0.8rem;
      background: #dcfce7;
      color: #15803d;
      padding: 4px 10px;
      border-radius: 12px;
      font-weight: 600;
    }
    .dash-metrics-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-bottom: 20px;
    }
    .metric-card {
      background: var(--bg-alt);
      border-radius: var(--radius-sm);
      padding: 14px 16px;
      border-left: 4px solid var(--primary);
    }
    .metric-num {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--dark-text);
      line-height: 1.2;
    }
    .metric-lbl {
      font-size: 0.82rem;
      color: var(--light-text);
      margin-top: 4px;
    }
    .dash-model-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 12px;
    }
    .model-pill {
      font-size: 0.78rem;
      background: #f0fdf4;
      color: #166534;
      border: 1px solid #bbf7d0;
      padding: 4px 10px;
      border-radius: 6px;
      font-weight: 600;
    }

    /* 聚合模型展带 */
    .model-strip-section {
      background: #ffffff;
      padding: 30px 0;
      border-bottom: 1px solid var(--border-color);
    }
    .model-strip-label {
      text-align: center;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--light-text);
      margin-bottom: 18px;
      letter-spacing: 0.05em;
    }
    .model-strip-tags {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }
    .tag-chip {
      background: var(--bg-page);
      border: 1px solid var(--border-color);
      color: var(--dark-text);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 600;
      transition: all 0.2s ease;
    }
    .tag-chip:hover {
      background: var(--primary-light);
      border-color: #7dd3fc;
      color: var(--primary);
    }

    /* 平台核心架构介绍 */
    .intro-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .intro-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 32px 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    .intro-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #bae6fd;
    }
    .intro-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      font-weight: 800;
      margin-bottom: 20px;
    }
    .intro-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--dark-text);
      margin-bottom: 12px;
    }
    .intro-text {
      font-size: 0.95rem;
      color: var(--muted-text);
      line-height: 1.6;
    }

    /* 核心场景矩阵卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 24px;
    }
    .service-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;
      justify-content: space-between;
      transition: all 0.25s ease;
    }
    .service-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .service-card-top {
      margin-bottom: 16px;
    }
    .service-badge {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      color: #0369a1;
      background: #f0f9ff;
      padding: 3px 8px;
      border-radius: 4px;
      margin-bottom: 10px;
      border: 1px solid #e0f2fe;
    }
    .service-name {
      font-size: 1.15rem;
      font-weight: 750;
      color: var(--dark-text);
      margin-bottom: 8px;
    }
    .service-desc {
      font-size: 0.92rem;
      color: var(--muted-text);
      line-height: 1.55;
    }
    .service-link {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
      margin-top: 14px;
    }
    .service-link:hover {
      color: var(--primary-hover);
    }

    /* 行业解决方案与图文展示 */
    .solutions-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
      margin-bottom: 48px;
    }
    .solutions-layout.reverse {
      direction: rtl;
    }
    .solutions-layout.reverse > * {
      direction: ltr;
    }
    .solution-content h3 {
      font-size: 1.7rem;
      font-weight: 800;
      color: var(--dark-text);
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .solution-content p {
      font-size: 1rem;
      color: var(--muted-text);
      margin-bottom: 20px;
      line-height: 1.65;
    }
    .solution-points {
      list-style: none;
      margin-bottom: 24px;
    }
    .solution-points li {
      position: relative;
      padding-left: 24px;
      margin-bottom: 10px;
      font-size: 0.95rem;
      color: var(--dark-text);
      font-weight: 500;
    }
    .solution-points li::before {
      content: "■";
      position: absolute;
      left: 0;
      color: var(--primary);
      font-size: 0.75rem;
      top: 2px;
    }
    .img-frame {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      background: #ffffff;
    }
    .img-frame img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .img-frame:hover img {
      transform: scale(1.02);
    }

    /* 案例中心展示网格 */
    .case-gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .case-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .case-img-box {
      aspect-ratio: 16/9;
      overflow: hidden;
      background: #e2e8f0;
    }
    .case-img-box.square {
      aspect-ratio: 1/1;
    }
    .case-body {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .case-tag {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      margin-bottom: 6px;
    }
    .case-title {
      font-size: 1.15rem;
      font-weight: 750;
      color: var(--dark-text);
      margin-bottom: 8px;
    }
    .case-desc {
      font-size: 0.9rem;
      color: var(--muted-text);
      line-height: 1.5;
      margin-bottom: 14px;
    }

    /* 对比评测板块 */
    .eval-highlight-box {
      background: linear-gradient(135deg, #0284c7 0%, #075985 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px 40px;
      margin-bottom: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      box-shadow: var(--shadow-lg);
    }
    .eval-score-wrap {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .score-giant {
      font-size: 3.6rem;
      font-weight: 900;
      line-height: 1;
      color: #fef08a;
    }
    .stars-box {
      font-size: 1.4rem;
      color: #facc15;
      letter-spacing: 2px;
    }
    .eval-score-text h4 {
      font-size: 1.35rem;
      font-weight: 800;
      margin-bottom: 4px;
    }
    .eval-score-text p {
      font-size: 0.95rem;
      opacity: 0.9;
    }
    .table-container {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      overflow-x: auto;
    }
    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }
    .eval-table th, .eval-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.95rem;
    }
    .eval-table th {
      background: var(--bg-alt);
      font-weight: 700;
      color: var(--dark-text);
    }
    .eval-table tr:last-child td {
      border-bottom: none;
    }
    .eval-table .highlight-col {
      background: #f0f9ff;
      font-weight: 700;
      color: var(--primary);
    }

    /* 标准制作流程 */
    .process-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .step-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 28px 20px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      position: relative;
      text-align: center;
    }
    .step-badge {
      width: 44px;
      height: 44px;
      background: var(--primary);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      font-weight: 800;
      margin: 0 auto 16px auto;
      box-shadow: 0 4px 10px rgba(2, 132, 199, 0.3);
    }
    .step-name {
      font-size: 1.15rem;
      font-weight: 750;
      color: var(--dark-text);
      margin-bottom: 8px;
    }
    .step-desc {
      font-size: 0.88rem;
      color: var(--muted-text);
      line-height: 1.5;
    }

    /* Token 比价矩阵 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .token-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: transform 0.2s ease;
    }
    .token-card.popular {
      border: 2px solid var(--primary);
      position: relative;
    }
    .popular-tag {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #ffffff;
      font-size: 0.72rem;
      font-weight: 700;
      padding: 2px 10px;
      border-radius: 10px;
    }
    .token-model {
      font-size: 1.2rem;
      font-weight: 800;
      color: var(--dark-text);
      margin-bottom: 8px;
    }
    .token-price {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--primary);
      margin: 12px 0;
    }
    .token-price span {
      font-size: 0.85rem;
      font-weight: 500;
      color: var(--light-text);
    }
    .token-desc {
      font-size: 0.85rem;
      color: var(--muted-text);
      line-height: 1.5;
    }

    /* 需求匹配与表单板块 */
    .form-layout-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      padding: 48px;
    }
    .form-info-side h3 {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--dark-text);
      margin-bottom: 16px;
    }
    .form-info-side p {
      font-size: 1rem;
      color: var(--muted-text);
      line-height: 1.6;
      margin-bottom: 28px;
    }
    .contact-item-group {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .contact-line {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.95rem;
      color: var(--dark-text);
      font-weight: 500;
    }
    .contact-line strong {
      color: var(--primary);
      min-width: 80px;
    }
    .form-box {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    .form-row {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .form-row label {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--dark-text);
    }
    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      font-family: inherit;
      font-size: 0.95rem;
      color: var(--dark-text);
      background-color: var(--bg-page);
      transition: all 0.2s ease;
    }
    .form-input:focus, .form-select:focus, .form-textarea:focus {
      outline: none;
      border-color: var(--primary);
      background-color: #ffffff;
      box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
    }
    .form-textarea {
      resize: vertical;
      min-height: 100px;
    }
    .btn-submit {
      background: var(--primary);
      color: #ffffff;
      font-weight: 700;
      font-size: 1rem;
      padding: 14px 28px;
      border-radius: var(--radius-sm);
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
      transition: all 0.2s ease;
    }
    .btn-submit:hover {
      background: var(--primary-hover);
      transform: translateY(-1px);
    }

    /* 用户评论卡片 (6条) */
    .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;
      justify-content: space-between;
    }
    .review-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }
    .user-avatar-circle {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      font-weight: 800;
      font-size: 1.1rem;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .user-info h5 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--dark-text);
      line-height: 1.2;
    }
    .user-info span {
      font-size: 0.8rem;
      color: var(--light-text);
    }
    .review-stars {
      color: #f59e0b;
      font-size: 0.85rem;
      margin-bottom: 10px;
    }
    .review-content {
      font-size: 0.92rem;
      color: var(--muted-text);
      line-height: 1.6;
    }

    /* FAQ 折叠面板 (12条) */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: all 0.2s ease;
    }
    .faq-item.active {
      border-color: var(--primary);
    }
    .faq-question {
      padding: 18px 24px;
      width: 100%;
      background: none;
      border: none;
      text-align: left;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--dark-text);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }
    .faq-toggle-icon {
      font-size: 1.3rem;
      font-weight: 400;
      color: var(--primary);
      transition: transform 0.3s ease;
    }
    .faq-item.active .faq-toggle-icon {
      transform: rotate(45deg);
    }
    .faq-answer {
      padding: 0 24px 20px 24px;
      font-size: 0.95rem;
      color: var(--muted-text);
      line-height: 1.65;
      display: none;
    }
    .faq-item.active .faq-answer {
      display: block;
    }

    /* AI 百科卡片 */
    .wiki-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .wiki-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .wiki-term {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--dark-text);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .wiki-term::before {
      content: "•";
      color: var(--primary);
      font-size: 1.5rem;
      line-height: 1;
    }
    .wiki-desc {
      font-size: 0.9rem;
      color: var(--muted-text);
      line-height: 1.55;
    }

    /* 最新文章与资讯 */
    .news-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 32px;
    }
    .news-card-featured {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      padding: 32px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .article-links-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      padding: 24px;
    }
    .article-links-card h4 {
      font-size: 1.1rem;
      font-weight: 750;
      color: var(--dark-text);
      margin-bottom: 16px;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 10px;
    }
    .article-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .article-links-list li a {
      font-size: 0.9rem;
      color: var(--muted-text);
      display: block;
      padding: 6px 10px;
      background: var(--bg-page);
      border-radius: var(--radius-sm);
      word-break: break-all;
    }
    .article-links-list li a:hover {
      background: var(--primary-light);
      color: var(--primary);
    }

    /* 加盟代理模块 */
    .agent-box {
      background: linear-gradient(135deg, #f0fdf4 0%, #e0f2fe 100%);
      border: 2px dashed #0284c7;
      border-radius: var(--radius-lg);
      padding: 48px;
      text-align: center;
    }
    .agent-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--dark-text);
      margin-bottom: 14px;
    }
    .agent-desc {
      font-size: 1.05rem;
      color: var(--muted-text);
      max-width: 800px;
      margin: 0 auto 30px auto;
      line-height: 1.6;
    }
    .agent-perks {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-bottom: 32px;
    }
    .perk-item {
      background: #ffffff;
      padding: 12px 24px;
      border-radius: 30px;
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--dark-text);
      box-shadow: var(--shadow-sm);
    }

    /* 服务网络与支撑 */
    .network-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .network-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px 20px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      text-align: center;
    }
    .network-card h5 {
      font-size: 1.1rem;
      font-weight: 750;
      color: var(--dark-text);
      margin-bottom: 8px;
    }
    .network-card p {
      font-size: 0.88rem;
      color: var(--muted-text);
      line-height: 1.5;
    }

    /* 页脚 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 64px 0 32px 0;
      font-size: 0.92rem;
      border-top: 1px solid #1e293b;
    }
    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h4 {
      color: #ffffff;
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 14px;
    }
    .footer-brand p {
      line-height: 1.6;
      margin-bottom: 20px;
      color: #94a3b8;
    }
    .footer-col h5 {
      color: #ffffff;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 16px;
      letter-spacing: 0.02em;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a {
      color: #94a3b8;
    }
    .footer-links a:hover {
      color: #38bdf8;
    }
    .footer-qr-box {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .footer-qr-box img {
      width: 90px;
      height: 90px;
      border-radius: var(--radius-sm);
      background: #ffffff;
      padding: 4px;
    }
    .footer-qr-text {
      font-size: 0.85rem;
      line-height: 1.5;
      color: #cbd5e1;
    }
    .friend-links-area {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      margin-bottom: 28px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
    }
    .friend-links-title {
      font-size: 0.88rem;
      font-weight: 700;
      color: #cbd5e1;
    }
    .friend-links-area a {
      color: #94a3b8;
      font-size: 0.85rem;
    }
    .friend-links-area a:hover {
      color: #38bdf8;
    }
    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.85rem;
      color: #64748b;
    }

    /* 浮动工具组件 */
    .floating-tools {
      position: fixed;
      right: 24px;
      bottom: 28px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      color: var(--dark-text);
      box-shadow: 0 4px 16px rgba(0,0,0,0.15);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      cursor: pointer;
      transition: all 0.25s ease;
      position: relative;
    }
    .float-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: translateY(-2px);
    }
    .float-btn-qr {
      position: relative;
    }
    .qr-popup {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      display: none;
      width: 140px;
      text-align: center;
    }
    .qr-popup img {
      width: 100%;
      height: auto;
      border-radius: 4px;
      margin-bottom: 6px;
    }
    .qr-popup span {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--dark-text);
    }
    .float-btn-qr:hover .qr-popup {
      display: block;
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .hero-wrapper, .form-layout-wrapper, .solutions-layout, .solutions-layout.reverse {
        grid-template-columns: 1fr;
      }
      .intro-grid, .case-gallery-grid, .reviews-grid, .wiki-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps-grid, .token-grid, .network-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
      .news-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .section-wrap {
        padding: 50px 0;
      }
      .section-title {
        font-size: 1.7rem;
      }
      .hero-h1 {
        font-size: 2rem;
      }
      .menu-toggle {
        display: block;
      }
      .nav-menu {
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        display: none;
        flex-direction: column;
        gap: 16px;
        box-shadow: var(--shadow-md);
      }
      .nav-menu.show {
        display: flex;
      }
      .nav-links {
        flex-direction: column;
        width: 100%;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 10px 14px;
      }
      .nav-actions {
        margin-left: 0;
        width: 100%;
        justify-content: center;
      }
      .intro-grid, .case-gallery-grid, .reviews-grid, .wiki-grid,
      .process-steps-grid, .token-grid, .network-grid {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .eval-highlight-box {
        flex-direction: column;
        align-items: flex-start;
      }
      .form-layout-wrapper {
        padding: 24px;
      }
    }