:root {
      --primary: #5c16ec;
      --primary-rgb: 92, 22, 236;
      --accent: #ff007a;
      --accent-gold: #ffaa00;
      --accent-cyan: #00d2ff;
      --bg-light: #f9f8fe;
      --bg-card: #ffffff;
      --text-main: #181423;
      --text-muted: #5e5a70;
      --border-color: #ebdffc;
      --shadow-sm: 0 4px 12px rgba(92, 22, 236, 0.06);
      --shadow-lg: 0 16px 36px rgba(92, 22, 236, 0.12);
      --radius-sm: 10px;
      --radius-md: 18px;
      --radius-lg: 26px;
      --font-stack: -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;
      background-color: var(--bg-light);
    }

    body {
      font-family: var(--font-stack);
      color: var(--text-main);
      background-color: var(--bg-light);
      line-height: 1.65;
      overflow-x: hidden;
    }

    /* 全局居中容器 */
    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(14px);
      border-bottom: 2px solid var(--border-color);
      box-shadow: 0 4px 20px rgba(92, 22, 236, 0.05);
    }

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

    .brand-area {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

    .ai-page-logo {
      height: 44px;
      width: auto;
      object-fit: contain;
      display: block;
    }

    .brand-text {
      font-size: 22px;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: #1a0f3d;
    }

    .brand-text span {
      color: var(--accent);
    }

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

    .nav-links li a {
      display: block;
      padding: 10px 14px;
      font-size: 15px;
      font-weight: 600;
      color: #2a2444;
      text-decoration: none;
      transition: color 0.25s ease, transform 0.25s ease;
      white-space: nowrap;
    }

    .nav-links li a:hover {
      color: var(--accent);
      transform: translateY(-1px);
    }

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

    .btn-nav-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 14px;
      font-weight: 700;
      color: #ffffff !important;
      background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
      border-radius: 50px;
      text-decoration: none;
      box-shadow: 0 6px 18px rgba(255, 0, 122, 0.35);
      transition: all 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .btn-nav-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(255, 0, 122, 0.45);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      padding: 8px 12px;
      border-radius: 8px;
      font-size: 18px;
      cursor: pointer;
      color: var(--primary);
    }

    /* 区域通用样式 */
    section {
      padding: 70px 0;
      position: relative;
    }

    .section-tag {
      display: inline-block;
      padding: 6px 16px;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      color: #ffffff;
      background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
      border-radius: 30px;
      margin-bottom: 14px;
      box-shadow: 0 4px 12px rgba(255, 0, 122, 0.25);
    }

    .section-title {
      font-size: 34px;
      font-weight: 800;
      color: #12092b;
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .section-title span {
      background: linear-gradient(120deg, var(--primary), var(--accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 780px;
      margin-bottom: 40px;
      line-height: 1.7;
    }

    .text-center {
      text-align: center;
    }

    .text-center .section-desc {
      margin-left: auto;
      margin-right: auto;
    }

    /* Hero 首屏 - 纯 CSS 视觉，严禁图片 */
    .hero-section {
      padding: 80px 0 90px;
      background: radial-gradient(circle at 85% 15%, rgba(255, 0, 122, 0.12) 0%, transparent 45%),
                  radial-gradient(circle at 10% 80%, rgba(92, 22, 236, 0.12) 0%, transparent 45%),
                  linear-gradient(180deg, #ffffff 0%, #f4f0fd 100%);
      border-bottom: 1px solid var(--border-color);
      position: relative;
      overflow: hidden;
    }

    .hero-content {
      max-width: 960px;
      margin: 0 auto;
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: #ffffff;
      border: 2px solid var(--accent);
      border-radius: 50px;
      font-size: 14px;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 22px;
      box-shadow: 0 6px 20px rgba(255, 0, 122, 0.15);
    }

    .hero-badge .pulse-dot {
      width: 10px;
      height: 10px;
      background: var(--accent);
      border-radius: 50%;
      box-shadow: 0 0 10px var(--accent);
      animation: pulse 1.6s infinite;
    }

    @keyframes pulse {
      0%, 100% { transform: scale(1); opacity: 1; }
      50% { transform: scale(1.4); opacity: 0.6; }
    }

    .hero-title {
      font-size: 44px;
      font-weight: 900;
      line-height: 1.25;
      color: #12092b;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title .gradient-highlight {
      background: linear-gradient(135deg, #5c16ec 0%, #ff007a 50%, #ff8c00 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-subtitle {
      font-size: 18px;
      color: #4b4660;
      max-width: 820px;
      margin: 0 auto 34px;
      line-height: 1.8;
      font-weight: 500;
    }

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

    .btn-hero-official {
      padding: 16px 36px;
      font-size: 17px;
      font-weight: 800;
      color: #ffffff !important;
      background: linear-gradient(135deg, #ff007a 0%, #ff4b2b 50%, #ffaa00 100%);
      border-radius: 50px;
      text-decoration: none;
      box-shadow: 0 10px 30px rgba(255, 0, 122, 0.4);
      transition: all 0.3s ease;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      border: 2px solid #ffffff;
    }

    .btn-hero-official:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 16px 36px rgba(255, 0, 122, 0.55);
    }

    .btn-hero-secondary {
      padding: 16px 32px;
      font-size: 16px;
      font-weight: 700;
      color: var(--primary);
      background: #ffffff;
      border: 2px solid var(--primary);
      border-radius: 50px;
      text-decoration: none;
      box-shadow: 0 6px 18px rgba(92, 22, 236, 0.08);
      transition: all 0.3s ease;
    }

    .btn-hero-secondary:hover {
      background: var(--primary);
      color: #ffffff;
      transform: translateY(-3px);
    }

    /* 首屏数据卡片组件 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      max-width: 980px;
      margin: 0 auto;
    }

    .hero-stat-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 22px 16px;
      border: 2px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: transform 0.3s ease, border-color 0.3s ease;
    }

    .hero-stat-card:hover {
      transform: translateY(-4px);
      border-color: var(--accent);
      box-shadow: var(--shadow-lg);
    }

    .stat-number {
      font-size: 32px;
      font-weight: 900;
      color: #5c16ec;
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .stat-label {
      font-size: 13px;
      font-weight: 700;
      color: #645e7a;
    }

    /* 模型矩阵标签墙 */
    .model-pills-bar {
      margin-top: 40px;
      padding: 16px 20px;
      background: rgba(255, 255, 255, 0.85);
      border-radius: 50px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }

    .model-pill-tag {
      font-size: 12px;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 30px;
      background: #f1ebff;
      color: var(--primary);
      border: 1px solid #dfd1fb;
      transition: all 0.2s;
    }

    .model-pill-tag:hover {
      background: var(--primary);
      color: #ffffff;
    }

    /* 平台介绍卡片布局 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .feature-points-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 24px;
    }

    .feature-point-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      background: #ffffff;
      padding: 16px 20px;
      border-radius: var(--radius-sm);
      border-left: 5px solid var(--accent);
      box-shadow: var(--shadow-sm);
    }

    .point-icon-box {
      width: 32px;
      height: 32px;
      background: #fff0f6;
      color: var(--accent);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      flex-shrink: 0;
    }

    .point-text h4 {
      font-size: 16px;
      color: #1c1435;
      margin-bottom: 4px;
    }

    .point-text p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    .about-highlight-box {
      background: linear-gradient(145deg, #ffffff 0%, #f6efff 100%);
      border: 2px solid #e2d1ff;
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-lg);
      position: relative;
    }

    .highlight-card-header {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 24px;
    }

    .highlight-badge {
      background: var(--accent);
      color: #fff;
      font-size: 12px;
      font-weight: 800;
      padding: 4px 12px;
      border-radius: 20px;
    }

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

    .service-card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      border: 2px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: var(--primary);
    }

    .service-card.hot-service {
      border-color: var(--accent);
      background: linear-gradient(180deg, #ffffff 0%, #fff6fa 100%);
      position: relative;
    }

    .hot-corner-badge {
      position: absolute;
      top: -12px;
      right: 20px;
      background: linear-gradient(90deg, #ff007a, #ff5e00);
      color: #ffffff;
      font-size: 12px;
      font-weight: 800;
      padding: 4px 14px;
      border-radius: 30px;
      box-shadow: 0 4px 10px rgba(255, 0, 122, 0.3);
    }

    .service-icon-circle {
      width: 54px;
      height: 54px;
      border-radius: 16px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      font-weight: 900;
      margin-bottom: 18px;
      box-shadow: 0 6px 16px rgba(92, 22, 236, 0.25);
    }

    .service-title {
      font-size: 20px;
      font-weight: 800;
      color: #1a103c;
      margin-bottom: 10px;
    }

    .service-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
    }

    .service-tags-group {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: auto;
      padding-top: 12px;
      border-top: 1px dashed var(--border-color);
    }

    .service-tag {
      font-size: 11px;
      font-weight: 700;
      padding: 3px 8px;
      background: #f3edff;
      color: #5516cb;
      border-radius: 6px;
    }

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

    .process-step-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 28px 20px;
      border: 2px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      text-align: center;
      position: relative;
    }

    .step-number-bubble {
      width: 48px;
      height: 48px;
      line-height: 48px;
      margin: 0 auto 16px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
      color: #ffffff;
      font-weight: 900;
      font-size: 18px;
      box-shadow: 0 6px 16px rgba(255, 0, 122, 0.3);
    }

    .step-title {
      font-size: 17px;
      font-weight: 800;
      color: #170d36;
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 对比评测板块 */
    .evaluation-card {
      background: linear-gradient(180deg, #ffffff 0%, #faf6ff 100%);
      border: 2px solid #e0cdff;
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-lg);
    }

    .eval-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      padding-bottom: 24px;
      border-bottom: 2px dashed var(--border-color);
      margin-bottom: 30px;
    }

    .eval-score-badge {
      display: flex;
      align-items: center;
      gap: 16px;
      background: #ffffff;
      padding: 12px 24px;
      border-radius: 50px;
      border: 2px solid var(--accent);
      box-shadow: 0 6px 20px rgba(255, 0, 122, 0.15);
    }

    .stars-icon {
      color: #ffaa00;
      font-size: 20px;
      letter-spacing: 2px;
    }

    .score-value {
      font-size: 26px;
      font-weight: 900;
      color: var(--accent);
    }

    .score-total {
      font-size: 14px;
      color: var(--text-muted);
    }

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

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

    .comparison-table th, 
    .comparison-table td {
      padding: 16px 18px;
      border-bottom: 1px solid #ebdffc;
    }

    .comparison-table th {
      background: #f2eaff;
      color: #27144d;
      font-weight: 800;
      font-size: 15px;
    }

    .comparison-table tr:hover td {
      background: rgba(255, 255, 255, 0.8);
    }

    .table-feature-col {
      font-weight: 700;
      color: #1a0f3d;
      width: 28%;
    }

    .table-our-col {
      background: rgba(92, 22, 236, 0.05);
      color: #5c16ec;
      font-weight: 800;
      width: 42%;
    }

    .table-other-col {
      color: #7b748e;
      width: 30%;
    }

    /* 案例图片展示 */
    .case-gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 30px;
    }

    .case-banner-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 2px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

    .case-banner-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: var(--accent);
    }

    .case-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background: #eee6fa;
      display: flex;
      align-items: center;
      justify-content: center;
    }

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

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

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

    .case-info {
      padding: 16px 18px;
    }

    .case-info h4 {
      font-size: 16px;
      font-weight: 800;
      color: #160d36;
      margin-bottom: 6px;
    }

    .case-info p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

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

    .price-plan-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 34px 26px;
      border: 2px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      position: relative;
      display: flex;
      flex-direction: column;
      transition: transform 0.3s ease, border-color 0.3s ease;
    }

    .price-plan-card.highlighted-plan {
      border: 2px solid var(--accent);
      background: linear-gradient(180deg, #ffffff 0%, #fff5f9 100%);
      box-shadow: 0 12px 32px rgba(255, 0, 122, 0.18);
    }

    .price-plan-card:hover {
      transform: translateY(-5px);
    }

    .plan-name {
      font-size: 20px;
      font-weight: 800;
      color: #1d123d;
      margin-bottom: 6px;
    }

    .plan-cost {
      font-size: 38px;
      font-weight: 900;
      color: var(--primary);
      margin: 16px 0;
      line-height: 1;
    }

    .plan-cost small {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-muted);
    }

    .plan-feature-list {
      list-style: none;
      margin-bottom: 24px;
      flex-grow: 1;
    }

    .plan-feature-list li {
      font-size: 14px;
      color: #3b354f;
      padding: 8px 0;
      border-bottom: 1px dashed #f0e6ff;
      display: flex;
      align-items: center;
      gap: 8px;
    }

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

    .testimonial-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 26px;
      border: 2px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testimonial-card:hover {
      transform: translateY(-4px);
      border-color: var(--accent);
      box-shadow: var(--shadow-lg);
    }

    .quote-icon {
      font-size: 30px;
      line-height: 1;
      color: #e5d6ff;
      margin-bottom: 10px;
      font-family: serif;
    }

    .testimonial-quote {
      font-size: 14px;
      color: #38314f;
      line-height: 1.7;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .user-profile {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f2e9fc;
      padding-top: 14px;
    }

    .user-avatar-initial {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
      color: #ffffff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
    }

    .user-meta-name {
      font-size: 15px;
      font-weight: 800;
      color: #170d38;
    }

    .user-meta-role {
      font-size: 12px;
      font-weight: 600;
      color: var(--accent);
    }

    /* FAQ 折叠面板 */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-accordion-item {
      background: #ffffff;
      border-radius: var(--radius-sm);
      border: 2px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: border-color 0.25s ease;
    }

    .faq-accordion-item.active {
      border-color: var(--primary);
    }

    .faq-question-btn {
      width: 100%;
      padding: 18px 22px;
      text-align: left;
      background: none;
      border: none;
      font-size: 16px;
      font-weight: 700;
      color: #190f3c;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
    }

    .faq-toggle-icon {
      font-size: 20px;
      font-weight: 900;
      color: var(--primary);
      transition: transform 0.3s ease;
      flex-shrink: 0;
    }

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

    .faq-answer-pane {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      padding: 0 22px;
      font-size: 14px;
      color: #4a4460;
      line-height: 1.7;
    }

    .faq-accordion-item.active .faq-answer-pane {
      padding: 0 22px 20px;
      max-height: 240px;
    }

    /* 需求匹配与表单 */
    .form-section-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 46px;
      border: 2px solid #e0d0fc;
      box-shadow: var(--shadow-lg);
      max-width: 860px;
      margin: 0 auto;
    }

    .lead-form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    .form-group-full {
      grid-column: 1 / -1;
    }

    .form-field-label {
      display: block;
      font-size: 14px;
      font-weight: 700;
      color: #211545;
      margin-bottom: 8px;
    }

    .form-control-input,
    .form-control-select,
    .form-control-textarea {
      width: 100%;
      padding: 13px 16px;
      font-size: 14px;
      font-family: inherit;
      border-radius: 10px;
      border: 1.5px solid #dcd1f3;
      background: #faf8fe;
      color: #181423;
      outline: none;
      transition: border-color 0.25s, box-shadow 0.25s;
    }

    .form-control-input:focus,
    .form-control-select:focus,
    .form-control-textarea:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(255, 0, 122, 0.15);
      background: #ffffff;
    }

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

    .btn-submit-lead {
      width: 100%;
      padding: 16px;
      font-size: 16px;
      font-weight: 800;
      color: #ffffff;
      background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
      border: none;
      border-radius: 50px;
      cursor: pointer;
      box-shadow: 0 8px 24px rgba(255, 0, 122, 0.35);
      transition: all 0.3s ease;
    }

    .btn-submit-lead:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 30px rgba(255, 0, 122, 0.45);
    }

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

    .article-entry-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1.5px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .article-entry-card h4 {
      font-size: 17px;
      font-weight: 800;
      color: #170d38;
      margin-bottom: 10px;
    }

    .article-links-cluster {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 14px;
    }

    .article-btn-link {
      font-size: 12px;
      font-weight: 700;
      padding: 6px 12px;
      border-radius: 20px;
      background: #f1ebff;
      color: #5b15eb;
      text-decoration: none;
      transition: all 0.2s;
    }

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

    /* 联系我们与二维码 */
    .contact-card-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      border: 2px solid var(--border-color);
      box-shadow: var(--shadow-lg);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .contact-details-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .contact-detail-row {
      display: flex;
      align-items: center;
      gap: 14px;
      font-size: 15px;
      color: #271f3f;
    }

    .contact-badge-pill {
      background: #f4ecff;
      color: var(--primary);
      font-weight: 800;
      padding: 5px 12px;
      border-radius: 6px;
      font-size: 13px;
      min-width: 90px;
      text-align: center;
    }

    .qr-container-pane {
      text-align: center;
      background: #faf6ff;
      border-radius: var(--radius-md);
      padding: 26px;
      border: 2px dashed #d7c2fa;
    }

    .qr-container-pane img {
      max-width: 170px;
      height: auto;
      border-radius: 12px;
      box-shadow: 0 6px 18px rgba(0,0,0,0.08);
      margin-bottom: 12px;
    }

    .qr-label-text {
      font-size: 14px;
      font-weight: 700;
      color: var(--primary);
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 2px solid var(--border-color);
      padding: 46px 0 30px;
      color: #49425c;
    }

    .footer-content-layout {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 30px;
    }

    .footer-desc-text {
      font-size: 14px;
      color: #5c5573;
      margin-top: 12px;
      line-height: 1.7;
    }

    .footer-col-title {
      font-size: 16px;
      font-weight: 800;
      color: #160d36;
      margin-bottom: 16px;
    }

    .friendly-links-flow {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .friendly-links-flow a {
      font-size: 13px;
      font-weight: 600;
      color: #5516cb;
      text-decoration: none;
      padding: 5px 12px;
      background: #f5f0ff;
      border-radius: 6px;
      transition: all 0.2s;
    }

    .friendly-links-flow a:hover {
      background: var(--accent);
      color: #ffffff;
    }

    .footer-bottom-bar {
      border-top: 1px solid #ebdffc;
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: #726b87;
    }

    /* 浮动组件与返回顶部 */
    .floating-tools-hub {
      position: fixed;
      right: 24px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      z-index: 1000;
    }

    .float-tool-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 2px solid var(--primary);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 6px 18px rgba(92, 22, 236, 0.25);
      cursor: pointer;
      text-decoration: none;
      font-weight: 800;
      font-size: 13px;
      transition: all 0.3s ease;
    }

    .float-tool-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: scale(1.08);
    }

    .float-tool-btn.highlight-kefu {
      border-color: var(--accent);
      color: #ffffff;
      background: var(--accent);
      box-shadow: 0 6px 18px rgba(255, 0, 122, 0.35);
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .services-grid, 
      .testimonials-grid, 
      .token-price-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .case-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: #ffffff;
        border-bottom: 2px solid var(--border-color);
        padding: 16px 0;
        box-shadow: 0 10px 20px rgba(0,0,0,0.08);
      }
      .nav-links.show {
        display: flex;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .hero-title {
        font-size: 30px;
      }
      .hero-subtitle {
        font-size: 15px;
      }
      .services-grid, 
      .testimonials-grid, 
      .token-price-grid, 
      .case-gallery-grid, 
      .about-grid, 
      .articles-grid, 
      .contact-card-box, 
      .footer-content-layout {
        grid-template-columns: 1fr;
      }
      .process-timeline {
        grid-template-columns: 1fr;
      }
      .lead-form-grid {
        grid-template-columns: 1fr;
      }
      .form-section-card {
        padding: 24px 16px;
      }
      .evaluation-card {
        padding: 24px 16px;
      }
    }