:root {
      --primary: #4F46E5;
      --primary-dark: #3730A3;
      --accent-warm: #FF5A1F;
      --accent-warm-hover: #E04810;
      --accent-cyan: #0891B2;
      --accent-yellow: #F59E0B;
      --bg-main: #F8FAFC;
      --bg-card: #FFFFFF;
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-light: #64748B;
      --border-color: #E2E8F0;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.05);
      --shadow-md: 0 10px 25px -5px rgba(79, 70, 229, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
      --shadow-hover: 0 20px 30px -10px rgba(79, 70, 229, 0.18);
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

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

    ul, ol {
      list-style: none;
    }

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

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

    .section-padding {
      padding-top: 80px;
      padding-bottom: 80px;
    }

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

    .section-tag {
      display: inline-block;
      padding: 6px 16px;
      font-size: 0.875rem;
      font-weight: 700;
      color: var(--primary);
      background-color: #EEF2FF;
      border: 1px solid #C7D2FE;
      border-radius: 999px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 16px;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }

    .logo-wrapper {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .logo-img-box {
      width: 44px;
      height: 44px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .brand-text {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }

    .nav-links a {
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
    }

    .nav-links a:hover {
      color: var(--primary);
      background-color: #EEF2FF;
    }

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

    .btn-portal {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 20px;
      background: linear-gradient(135deg, var(--accent-warm), #FF3838);
      color: #FFFFFF !important;
      font-weight: 700;
      font-size: 0.95rem;
      border-radius: 999px;
      box-shadow: 0 4px 12px rgba(255, 90, 31, 0.35);
      border: none;
      cursor: pointer;
    }

    .btn-portal:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(255, 90, 31, 0.45);
    }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--text-main);
    }

    /* 首屏 Hero */
    .hero-section {
      padding: 80px 0 90px 0;
      background: linear-gradient(180deg, #EEF2FF 0%, #FAF5FF 50%, var(--bg-main) 100%);
      position: relative;
    }

    .hero-content {
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background-color: #FFFFFF;
      border: 1px solid #E0E7FF;
      padding: 8px 18px;
      border-radius: 999px;
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--primary);
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

    .badge-dot {
      width: 8px;
      height: 8px;
      background-color: var(--accent-warm);
      border-radius: 50%;
    }

    .hero-h1 {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 22px;
      letter-spacing: -0.5px;
    }

    .hero-h1 span {
      color: var(--primary);
      border-bottom: 4px solid var(--accent-yellow);
    }

    .hero-sub {
      font-size: 1.15rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 36px;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 50px;
    }

    .btn-hero-primary {
      padding: 14px 34px;
      font-size: 1.1rem;
      font-weight: 800;
      color: #FFFFFF !important;
      background: linear-gradient(135deg, var(--accent-warm), #F43F5E);
      border-radius: 999px;
      box-shadow: 0 10px 25px rgba(255, 90, 31, 0.4);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-hero-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 30px rgba(255, 90, 31, 0.5);
    }

    .btn-hero-secondary {
      padding: 14px 32px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--primary) !important;
      background-color: #FFFFFF;
      border: 2px solid var(--primary);
      border-radius: 999px;
    }

    .btn-hero-secondary:hover {
      background-color: #EEF2FF;
      transform: translateY(-2px);
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .metric-card {
      background: #FFFFFF;
      border: 1px solid #E2E8F0;
      border-radius: var(--radius-md);
      padding: 24px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #C7D2FE;
    }

    .metric-num {
      font-size: 2rem;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 6px;
    }

    .metric-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 平台介绍 */
    .about-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

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

    .about-p {
      font-size: 1.02rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.8;
    }

    .model-tag-wall {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .model-chip {
      background: #F1F5F9;
      color: #1E293B;
      font-size: 0.85rem;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: 999px;
      border: 1px solid #E2E8F0;
      transition: var(--transition);
    }

    .model-chip:hover {
      background: var(--primary);
      color: #FFFFFF;
      border-color: var(--primary);
    }

    .about-features {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .about-feat-box {
      background: #F8FAFC;
      border: 1px solid #E2E8F0;
      border-radius: var(--radius-md);
      padding: 20px;
      border-left: 4px solid var(--accent-warm);
    }

    .about-feat-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .about-feat-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    /* 卡片网格标准 */
    .cards-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .cards-grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .service-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: #CBD5E1;
    }

    .service-icon-box {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      font-size: 1.4rem;
      font-weight: 800;
    }

    .icon-p1 { background: #EEF2FF; color: var(--primary); }
    .icon-p2 { background: #FFF7ED; color: var(--accent-warm); }
    .icon-p3 { background: #ECFEFF; color: var(--accent-cyan); }
    .icon-p4 { background: #FEF3C7; color: #D97706; }
    .icon-p5 { background: #FCE7F3; color: #DB2777; }
    .icon-p6 { background: #DCFCE7; color: #16A34A; }

    .service-card-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .service-card-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 16px;
      flex-grow: 1;
    }

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

    .tag-sm {
      font-size: 0.75rem;
      padding: 3px 8px;
      border-radius: 4px;
      background: #F1F5F9;
      color: #475569;
      font-weight: 600;
    }

    /* 对比评测板块 */
    .compare-container {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .compare-rating-banner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: linear-gradient(135deg, #1E1B4B, #312E81);
      color: #FFFFFF;
      padding: 24px 32px;
      border-radius: var(--radius-md);
      margin-bottom: 30px;
      flex-wrap: wrap;
      gap: 16px;
    }

    .rating-meta h3 {
      font-size: 1.4rem;
      font-weight: 800;
      margin-bottom: 4px;
    }

    .rating-meta p {
      color: #C7D2FE;
      font-size: 0.92rem;
    }

    .score-badge {
      display: flex;
      align-items: baseline;
      gap: 8px;
      background: rgba(255, 255, 255, 0.15);
      padding: 10px 20px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .score-num {
      font-size: 2.2rem;
      font-weight: 900;
      color: #FCD34D;
    }

    .score-stars {
      color: #FBBF24;
      letter-spacing: 2px;
      font-size: 1.1rem;
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
    }

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

    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.95rem;
    }

    .compare-table th {
      background-color: #F8FAFC;
      color: var(--text-main);
      font-weight: 700;
    }

    .col-highlight {
      background-color: #EEF2FF;
      color: var(--primary);
      font-weight: 700;
    }

    /* 流程步骤 */
    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .process-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      text-align: center;
      transition: var(--transition);
    }

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

    .process-step-num {
      width: 46px;
      height: 46px;
      background: linear-gradient(135deg, var(--primary), var(--accent-warm));
      color: #FFFFFF;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1.2rem;
      margin: 0 auto 18px auto;
    }

    .process-title {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .process-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    /* 案例中心图文展示 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .case-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
    }

    .case-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background-color: #E2E8F0;
    }

    .case-img-wrap.square {
      aspect-ratio: 1 / 1;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .case-card:hover .case-img-wrap img {
      transform: scale(1.04);
    }

    .case-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .case-title {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .case-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

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

    .pricing-card {
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px 28px;
      transition: var(--transition);
      position: relative;
    }

    .pricing-card.popular {
      border-color: var(--accent-warm);
      box-shadow: 0 12px 30px rgba(255, 90, 31, 0.15);
    }

    .pricing-popular-tag {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent-warm);
      color: #FFFFFF;
      font-size: 0.8rem;
      font-weight: 800;
      padding: 4px 16px;
      border-radius: 999px;
    }

    .pricing-name {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .pricing-price {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 16px;
    }

    .pricing-price small {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 400;
    }

    .pricing-list {
      margin-bottom: 28px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .pricing-list li {
      font-size: 0.9rem;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .pricing-list li::before {
      content: "✓";
      color: #10B981;
      font-weight: 900;
    }

    .btn-pricing {
      display: block;
      width: 100%;
      padding: 12px;
      text-align: center;
      font-size: 0.95rem;
      font-weight: 700;
      border-radius: var(--radius-sm);
      border: 1px solid var(--primary);
      color: var(--primary);
      background: #FFFFFF;
      cursor: pointer;
    }

    .popular .btn-pricing {
      background: var(--accent-warm);
      border-color: var(--accent-warm);
      color: #FFFFFF;
    }

    .btn-pricing:hover {
      background: var(--primary);
      border-color: var(--primary);
      color: #FFFFFF;
    }

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

    .review-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .review-rating {
      color: #F59E0B;
      font-size: 1rem;
      margin-bottom: 12px;
    }

    .review-content {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
      font-style: italic;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #F1F5F9;
      padding-top: 14px;
    }

    .author-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #EEF2FF;
      color: var(--primary);
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
    }

    .author-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

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

    /* 常见问题折叠面板 */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

    .faq-icon {
      font-size: 1.2rem;
      font-weight: 400;
      color: var(--primary);
      transition: transform 0.25s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background-color: #F8FAFC;
    }

    .faq-answer-inner {
      padding: 0 24px 20px 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 需求匹配与表单 */
    .form-wrapper {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 44px;
      box-shadow: var(--shadow-md);
      max-width: 840px;
      margin: 0 auto;
    }

    .match-form {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

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

    .form-label {
      display: block;
      font-size: 0.9rem;
      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-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      background-color: #F8FAFC;
      transition: var(--transition);
      font-family: inherit;
    }

    .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(79, 70, 229, 0.15);
    }

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

    .btn-submit {
      width: 100%;
      padding: 14px;
      background: linear-gradient(135deg, var(--accent-warm), #FF3838);
      color: #FFFFFF;
      font-size: 1.05rem;
      font-weight: 800;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(255, 90, 31, 0.35);
      transition: var(--transition);
    }

    .btn-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(255, 90, 31, 0.45);
    }

    /* 加盟代理模块 */
    .agent-box {
      background: linear-gradient(135deg, #312E81 0%, #1E1B4B 100%);
      color: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 48px;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 36px;
      align-items: center;
    }

    .agent-title {
      font-size: 2rem;
      font-weight: 900;
      margin-bottom: 16px;
      color: #FCD34D;
    }

    .agent-desc {
      color: #E0E7FF;
      font-size: 1.05rem;
      line-height: 1.8;
      margin-bottom: 24px;
    }

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

    .agent-item {
      background: rgba(255, 255, 255, 0.1);
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.15);
      font-size: 0.9rem;
      font-weight: 600;
      color: #FFFFFF;
    }

    .agent-action-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 30px;
      text-align: center;
      color: var(--text-main);
    }

    .agent-action-card h4 {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .agent-action-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }

    /* 行业资讯文章与百科 */
    .news-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 30px;
    }

    .news-card-main, .news-card-side {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
    }

    .article-links-wrap {
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-top: 16px;
    }

    .article-item {
      padding: 12px 16px;
      background: #F8FAFC;
      border: 1px solid #E2E8F0;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: space-between;
      transition: var(--transition);
    }

    .article-item:hover {
      border-color: var(--primary);
      background: #EEF2FF;
      transform: translateX(4px);
    }

    .article-link-anchor {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .wiki-block {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .wiki-item {
      border-bottom: 1px solid #F1F5F9;
      padding-bottom: 14px;
    }

    .wiki-item:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }

    .wiki-term {
      font-size: 1rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 4px;
    }

    .wiki-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    /* 宣传条幅展示区 */
    .banner-row {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      margin-top: 30px;
    }

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

    /* 联系我们与客服二维码 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 30px;
      align-items: center;
    }

    .contact-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
    }

    .contact-list {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .contact-row {
      display: flex;
      align-items: center;
      gap: 16px;
      font-size: 0.98rem;
      color: var(--text-main);
    }

    .contact-icon-pill {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: #EEF2FF;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      flex-shrink: 0;
    }

    .qr-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .qr-image-wrap {
      width: 180px;
      height: 180px;
      margin: 0 auto 18px auto;
      padding: 8px;
      background: #FFFFFF;
      border: 1px solid #E2E8F0;
      border-radius: var(--radius-sm);
    }

    .qr-image-wrap img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }

    /* 友情链接与页脚 */
    .friend-links-box {
      margin-top: 40px;
      padding: 24px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
    }

    .friend-title {
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
    }

    .links-flow {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .links-flow a {
      font-size: 0.88rem;
      color: var(--text-muted);
      background: #F8FAFC;
      padding: 6px 14px;
      border-radius: var(--radius-sm);
      border: 1px solid #E2E8F0;
    }

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

    .site-footer {
      background: #0F172A;
      color: #94A3B8;
      padding-top: 48px;
      padding-bottom: 40px;
      margin-top: 60px;
    }

    .footer-inner {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      gap: 20px;
    }

    .footer-brand {
      font-size: 1.4rem;
      font-weight: 900;
      color: #FFFFFF;
    }

    .footer-nav {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 24px;
    }

    .footer-nav a {
      color: #CBD5E1;
      font-size: 0.9rem;
    }

    .footer-nav a:hover {
      color: #FFFFFF;
    }

    .footer-copy {
      font-size: 0.85rem;
      color: #64748B;
      border-top: 1px solid #1E293B;
      width: 100%;
      padding-top: 24px;
      margin-top: 10px;
    }

    /* 悬浮客服挂件 */
    .float-service {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 99;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      background: var(--primary);
      color: #FFFFFF;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.4);
      cursor: pointer;
      border: none;
      transition: var(--transition);
    }

    .float-btn.warm {
      background: var(--accent-warm);
      box-shadow: 0 4px 14px rgba(255, 90, 31, 0.4);
    }

    .float-btn:hover {
      transform: scale(1.08);
    }

    /* 响应式媒体查询 */
    @media (max-width: 1024px) {
      .cards-grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-metrics {
        grid-template-columns: repeat(2, 1fr);
      }
      .agent-box {
        grid-template-columns: 1fr;
      }
      .news-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links, .header-actions {
        display: none;
      }
      .nav-toggle {
        display: block;
      }
      .nav-links.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        border-bottom: 1px solid var(--border-color);
        padding: 16px;
        box-shadow: var(--shadow-md);
      }
      .hero-h1 {
        font-size: 2.1rem;
      }
      .about-grid, .contact-grid {
        grid-template-columns: 1fr;
      }
      .cards-grid-3, .case-grid, .pricing-grid, .reviews-grid, .process-grid, .banner-row {
        grid-template-columns: 1fr;
      }
      .match-form {
        grid-template-columns: 1fr;
      }
      .form-group-full {
        grid-column: span 1;
      }
      .form-wrapper, .about-card, .compare-container {
        padding: 24px;
      }
    }