:root {
      --primary: #0d9488;
      --primary-light: #14b8a6;
      --primary-dark: #0f766e;
      --accent: #0284c7;
      --accent-gradient: linear-gradient(135deg, #0d9488 0%, #06b6d4 50%, #0284c7 100%);
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --bg-subtle: #f0fdfa;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-color: #e2e8f0;
      --border-accent: rgba(13, 148, 136, 0.2);
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
      --shadow-md: 0 4px 20px -2px rgba(13, 148, 136, 0.08);
      --shadow-lg: 0 10px 30px -5px rgba(15, 23, 42, 0.08);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --container-width: 1240px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      font-size: 16px;
      overflow-x: hidden;
    }

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

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

    .container {
      width: 100%;
      max-width: var(--container-width);
      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: 780px;
      margin: 0 auto 50px auto;
    }

    .section-tag {
      display: inline-block;
      padding: 6px 16px;
      background: var(--bg-subtle);
      color: var(--primary-dark);
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--radius-full);
      border: 1px solid var(--border-accent);
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.35;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }

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

    .ai-page-logo {
      height: 38px;
      width: auto;
      object-fit: contain;
    }

    .brand-title {
      font-size: 20px;
      font-weight: 800;
      color: var(--primary-dark);
      letter-spacing: -0.5px;
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background: var(--bg-subtle);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 15px;
      font-weight: 600;
      padding: 10px 22px;
      border-radius: var(--radius-full);
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--accent-gradient);
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(13, 148, 136, 0.25);
    }

    .btn-primary:hover {
      box-shadow: 0 6px 20px rgba(13, 148, 136, 0.4);
      transform: translateY(-2px);
    }

    .btn-secondary {
      background: #ffffff;
      color: var(--primary-dark) !important;
      border-color: var(--border-accent);
    }

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

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--text-main);
      cursor: pointer;
      padding: 4px;
    }

    /* Hero 首屏 (无图模式，纯CSS科技感渐变与组件构图) */
    .hero-section {
      position: relative;
      background: radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.12) 0%, rgba(240, 253, 250, 0.6) 40%, #ffffff 100%);
      padding: 70px 0 80px 0;
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }

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

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

    .hero-badge-group {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 20px;
    }

    .badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: #ffffff;
      padding: 6px 14px;
      border-radius: var(--radius-full);
      font-size: 13px;
      font-weight: 600;
      color: var(--primary-dark);
      border: 1px solid var(--border-accent);
      box-shadow: var(--shadow-sm);
    }

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

    .hero-title {
      font-size: 42px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title span {
      background: var(--accent-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

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

    .hero-buttons {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 36px;
    }

    .hero-cta-btn {
      padding: 13px 32px;
      font-size: 16px;
      font-weight: 700;
    }

    .hero-highlights {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      padding-top: 24px;
      border-top: 1px solid var(--border-color);
    }

    .highlight-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 500;
    }

    .highlight-item svg {
      width: 18px;
      height: 18px;
      fill: var(--primary);
    }

    /* Hero 右侧纯代码架构视窗 (非图片) */
    .hero-visual-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(13, 148, 136, 0.25);
      box-shadow: var(--shadow-lg);
      padding: 24px;
      position: relative;
    }

    .visual-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 14px;
      margin-bottom: 18px;
    }

    .traffic-dots {
      display: flex;
      gap: 6px;
    }

    .traffic-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }

    .td-red { background: #f87171; }
    .td-yellow { background: #fbbf24; }
    .td-green { background: #34d399; }

    .visual-status {
      font-size: 12px;
      font-weight: 600;
      color: var(--primary-dark);
      background: var(--bg-subtle);
      padding: 3px 10px;
      border-radius: var(--radius-full);
      border: 1px solid var(--border-accent);
    }

    .model-pills-flow {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 20px;
    }

    .m-pill {
      font-size: 12px;
      font-weight: 600;
      padding: 6px 12px;
      background: #f1f5f9;
      color: #334155;
      border-radius: 6px;
      border: 1px solid #e2e8f0;
      transition: all 0.2s;
    }

    .m-pill.active {
      background: var(--bg-subtle);
      color: var(--primary-dark);
      border-color: var(--primary);
    }

    .feature-matrix-mini {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .fmm-box {
      background: #f8fafc;
      padding: 12px;
      border-radius: var(--radius-sm);
      border: 1px solid #f1f5f9;
    }

    .fmm-title {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .fmm-text {
      font-size: 12px;
      color: var(--text-light);
      line-height: 1.4;
    }

    /* 数据指标区 */
    .metrics-bar {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
      padding: 36px 0;
    }

    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }

    .metric-item {
      padding: 10px;
    }

    .metric-val {
      font-size: 34px;
      font-weight: 800;
      color: var(--primary-dark);
      line-height: 1.2;
      margin-bottom: 6px;
    }

    .metric-label {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 关于我们 / 平台介绍 */
    .about-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .about-lead {
      font-size: 18px;
      font-weight: 600;
      color: var(--primary-dark);
      margin-bottom: 16px;
      line-height: 1.5;
    }

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

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

    .about-micro-card {
      background: var(--bg-subtle);
      border: 1px solid var(--border-accent);
      padding: 16px;
      border-radius: var(--radius-md);
    }

    .micro-card-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .micro-card-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* AIGC 服务矩阵卡片 */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }

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

    .service-icon {
      width: 48px;
      height: 48px;
      background: var(--bg-subtle);
      color: var(--primary);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      font-weight: 800;
      margin-bottom: 18px;
      border: 1px solid var(--border-accent);
    }

    .service-name {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .service-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
      flex-grow: 1;
    }

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

    .service-tag-item {
      font-size: 12px;
      background: #f1f5f9;
      color: var(--text-muted);
      padding: 3px 8px;
      border-radius: 4px;
    }

    /* 一站式制作场景卡片 (多样化网格) */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .scenario-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      transition: all 0.25s ease;
    }

    .scenario-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
    }

    .scenario-badge {
      font-size: 12px;
      color: var(--primary-dark);
      background: var(--bg-subtle);
      display: inline-block;
      padding: 2px 8px;
      border-radius: 4px;
      margin-bottom: 8px;
      font-weight: 600;
    }

    .scenario-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

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

    /* 行业解决方案 */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .industry-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
    }

    .industry-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .industry-card ul {
      list-style: none;
      margin-top: 12px;
    }

    .industry-card li {
      font-size: 13px;
      color: var(--text-muted);
      padding: 6px 0;
      border-bottom: 1px dashed #f1f5f9;
      display: flex;
      align-items: flex-start;
      gap: 6px;
    }

    .industry-card li::before {
      content: "•";
      color: var(--primary);
      font-weight: bold;
    }

    /* 服务网络与标准流程 */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      margin-top: 30px;
    }

    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      text-align: center;
      position: relative;
    }

    .step-num {
      width: 36px;
      height: 36px;
      background: var(--accent-gradient);
      color: #ffffff;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 16px;
      margin-bottom: 12px;
    }

    .step-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .step-desc {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 案例展示区 (含素材图) */
    .case-gallery-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 24px;
      align-items: stretch;
      margin-bottom: 30px;
    }

    .case-main-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 20px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .case-img-wrap {
      border-radius: var(--radius-sm);
      overflow: hidden;
      margin-bottom: 16px;
      background: #f1f5f9;
    }

    .case-img-wrap img {
      width: 100%;
      height: 240px;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

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

    .case-meta h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

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

    .case-side-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 16px;
    }

    .case-banner-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 20px;
    }

    .banner-thumb {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 8px;
    }

    .banner-thumb img {
      border-radius: 4px;
      height: 110px;
      width: 100%;
      object-fit: cover;
    }

    /* 对比评测 板块 (评测卡片 + 表格) */
    .review-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .rating-banner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: var(--bg-subtle);
      border: 1px solid var(--border-accent);
      border-radius: var(--radius-md);
      padding: 20px 28px;
      margin-bottom: 28px;
    }

    .rating-score-box {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .score-num {
      font-size: 44px;
      font-weight: 900;
      color: var(--primary-dark);
      line-height: 1;
    }

    .score-stars {
      color: #f59e0b;
      font-size: 20px;
      letter-spacing: 2px;
    }

    .score-desc {
      font-size: 13px;
      color: var(--text-muted);
    }

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

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

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

    .compare-table th {
      background: #f8fafc;
      color: var(--text-main);
      font-weight: 700;
    }

    .compare-table td.highlight-col {
      background: rgba(240, 253, 250, 0.6);
      font-weight: 600;
      color: var(--primary-dark);
    }

    .badge-check {
      color: #10b981;
      font-weight: bold;
      margin-right: 4px;
    }

    /* 需求匹配与提交表单 */
    .form-wrapper {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

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

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

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

    .form-label {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-control {
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      font-size: 14px;
      color: var(--text-main);
      background: #ffffff;
      outline: none;
      transition: border-color 0.2s ease;
      font-family: inherit;
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.12);
    }

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

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

    .pricing-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      position: relative;
      transition: transform 0.25s ease;
    }

    .pricing-card.featured {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
    }

    .pricing-badge {
      position: absolute;
      top: -12px;
      right: 20px;
      background: var(--accent-gradient);
      color: #ffffff;
      font-size: 12px;
      font-weight: 700;
      padding: 3px 12px;
      border-radius: var(--radius-full);
    }

    .pricing-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .pricing-price {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary-dark);
      margin-bottom: 16px;
    }

    .pricing-price small {
      font-size: 14px;
      color: var(--text-light);
      font-weight: 400;
    }

    .pricing-features {
      list-style: none;
      margin-bottom: 24px;
    }

    .pricing-features li {
      font-size: 13px;
      color: var(--text-muted);
      padding: 8px 0;
      border-bottom: 1px dashed #f1f5f9;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 用户评论 (6条) */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .testimonial-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .testi-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .testi-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--bg-subtle);
      color: var(--primary-dark);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
      border: 1px solid var(--border-accent);
    }

    .testi-name {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }

    .testi-role {
      font-size: 12px;
      color: var(--text-light);
    }

    .testi-text {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* FAQ 手风琴 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      overflow: hidden;
      transition: border-color 0.2s;
    }

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

    .faq-question {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

    .faq-toggle-icon {
      font-size: 18px;
      color: var(--primary);
      transition: transform 0.3s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
      background: #fafcfc;
    }

    .faq-answer-inner {
      padding: 0 24px 20px 24px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      transition: max-height 0.3s ease-in-out;
    }

    /* 文章与百科专区 */
    .article-section-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .info-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
    }

    .info-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--border-color);
    }

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

    .article-links-list li a {
      font-size: 14px;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 6px 0;
    }

    .article-links-list li a:hover {
      color: var(--primary);
      padding-left: 4px;
    }

    /* 加盟代理板块 */
    .agent-card-banner {
      background: linear-gradient(135deg, #0f766e 0%, #0d9488 50%, #0284c7 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .agent-content-wrap {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 30px;
      align-items: center;
    }

    .agent-title {
      font-size: 28px;
      font-weight: 800;
      margin-bottom: 12px;
      color: #ffffff;
    }

    .agent-desc {
      font-size: 15px;
      opacity: 0.95;
      line-height: 1.6;
      margin-bottom: 20px;
      color: #ffffff;
    }

    .agent-perks {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .agent-perk-item {
      background: rgba(255, 255, 255, 0.12);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      font-size: 13px;
      backdrop-filter: blur(4px);
    }

    .agent-action-box {
      text-align: center;
      background: #ffffff;
      color: var(--text-main);
      padding: 24px;
      border-radius: var(--radius-md);
    }

    .agent-action-box p {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 14px;
    }

    /* 联系我们与页脚 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

    .contact-details {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
    }

    .contact-row {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 18px;
      font-size: 15px;
      color: var(--text-muted);
    }

    .contact-qr-wrap {
      display: flex;
      align-items: center;
      gap: 20px;
      margin-top: 20px;
      padding-top: 20px;
      border-top: 1px dashed var(--border-color);
    }

    .contact-qr-wrap img {
      width: 105px;
      height: 105px;
      border-radius: 8px;
      border: 1px solid var(--border-color);
    }

    .qr-desc {
      font-size: 13px;
      color: var(--text-muted);
    }

    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 40px 0 30px 0;
      font-size: 14px;
      color: var(--text-muted);
    }

    .footer-links-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      margin-bottom: 20px;
      padding-bottom: 20px;
      border-bottom: 1px solid #f1f5f9;
    }

    .footer-links-row span {
      font-weight: 600;
      color: var(--text-main);
    }

    .footer-links-row a {
      color: var(--text-muted);
      font-size: 13px;
      margin-right: 8px;
    }

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

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 13px;
    }

    /* 悬浮客服条 */
    .float-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 999;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      cursor: pointer;
      transition: all 0.25s;
    }

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

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .service-grid,
      .industry-grid,
      .pricing-grid,
      .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .scenario-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps {
        grid-template-columns: repeat(3, 1fr);
      }
      .case-gallery-grid {
        grid-template-columns: 1fr;
      }
      .case-banner-row {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 74px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.show {
        display: flex;
      }
      .hero-title {
        font-size: 28px;
      }
      .service-grid,
      .industry-grid,
      .pricing-grid,
      .testimonials-grid,
      .scenario-grid,
      .article-section-grid,
      .contact-grid,
      .about-grid,
      .agent-content-wrap {
        grid-template-columns: 1fr;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .form-group.full-width {
        grid-column: span 1;
      }
      .process-steps {
        grid-template-columns: 1fr;
      }
      .section-padding {
        padding-top: 50px;
        padding-bottom: 50px;
      }
      .header-actions .btn-secondary {
        display: none;
      }
      .rating-banner {
        flex-direction: column;
        gap: 16px;
        text-align: center;
      }
    }