:root {
      --primary: #7c3aed;
      --primary-hover: #6d28d9;
      --primary-light: #f5f3ff;
      --primary-subtle: #ede9fe;
      --secondary: #c026d3;
      --accent: #ec4899;
      --text-main: #1e1b4b;
      --text-muted: #4b5563;
      --text-light: #64748b;
      --bg-page: #faf8ff;
      --bg-card: #ffffff;
      --bg-alt: #f3f0fa;
      --border-color: #e9d5ff;
      --border-card: #d8b4fe;
      --shadow-sm: 0 2px 6px rgba(124, 58, 237, 0.06);
      --shadow-md: 0 10px 25px -5px rgba(124, 58, 237, 0.1), 0 8px 10px -6px rgba(124, 58, 237, 0.05);
      --shadow-lg: 0 20px 35px -5px rgba(124, 58, 237, 0.15);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --transition: all 0.28s ease;
    }

    * {
      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-page);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 10% 15%, rgba(192, 38, 211, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 90% 85%, rgba(124, 58, 237, 0.05) 0%, transparent 45%);
      background-attachment: fixed;
    }

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

    /* 统一定义全页居中容器 */
    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶栏 Header */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(109, 40, 217, 0.04);
    }

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

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

    .brand-logo-box {
      display: flex;
      align-items: center;
      max-height: 48px;
    }

    .ai-page-logo {
      height: 42px;
      width: auto;
      object-fit: contain;
      display: block;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
      line-height: 1.2;
    }

    .brand-tag {
      font-size: 0.72rem;
      color: var(--text-light);
      font-weight: 500;
    }

    /* 导航栏，强制按照规则将 gap 设为 0 */
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
    }

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 600;
      color: #374151;
      border-radius: var(--radius-sm);
      transition: var(--transition);
    }

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

    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-md);
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, #7c3aed 0%, #9333ea 50%, #c026d3 100%);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(124, 58, 237, 0.3);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(124, 58, 237, 0.45);
      color: #ffffff;
    }

    .btn-secondary {
      background-color: var(--primary-light);
      color: var(--primary);
      border-color: var(--border-color);
    }

    .btn-secondary:hover {
      background-color: var(--primary-subtle);
      color: var(--primary-hover);
      border-color: #c4b5fd;
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

    .mobile-menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background-color: var(--text-main);
      margin: 5px 0;
      transition: var(--transition);
    }

    /* 模块通用标题区 */
    .section-spacing {
      padding: 80px 0;
    }

    .section-alt {
      background-color: var(--bg-alt);
      border-top: 1px solid rgba(221, 214, 254, 0.5);
      border-bottom: 1px solid rgba(221, 214, 254, 0.5);
    }

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

    .badge-pill {
      display: inline-block;
      padding: 6px 16px;
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--primary);
      background: #f3e8ff;
      border: 1px solid #d8b4fe;
      border-radius: 9999px;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Hero 首屏 - 纯代码视觉，严禁图片 */
    .hero-section {
      padding: 70px 0 90px 0;
      background: radial-gradient(circle at 50% 0%, #ede9fe 0%, #faf8ff 70%);
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }

    .hero-wrapper {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .hero-tag {
      background: #ffffff;
      border: 1px solid #c084fc;
      padding: 6px 18px;
      border-radius: 9999px;
      font-size: 0.85rem;
      font-weight: 700;
      color: #7e22ce;
      box-shadow: 0 4px 12px rgba(147, 51, 234, 0.08);
      margin-bottom: 24px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .hero-tag-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: #22c55e;
      display: inline-block;
      box-shadow: 0 0 8px #22c55e;
    }

    /* 全页唯一 H1，字数严格控制在 20 字以内 */
    .hero-title {
      font-size: 2.85rem;
      font-weight: 900;
      line-height: 1.25;
      color: #1e1b4b;
      margin-bottom: 20px;
      max-width: 900px;
      letter-spacing: -1px;
    }

    .hero-title-highlight {
      color: #7c3aed;
      border-bottom: 3px solid #c026d3;
      padding-bottom: 2px;
    }

    .hero-desc {
      font-size: 1.18rem;
      color: #4b5563;
      max-width: 760px;
      margin-bottom: 36px;
      line-height: 1.7;
    }

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

    .btn-hero-official {
      background: linear-gradient(135deg, #6d28d9 0%, #9333ea 50%, #c026d3 100%);
      color: #ffffff !important;
      padding: 14px 34px;
      font-size: 1.1rem;
      font-weight: 700;
      border-radius: var(--radius-md);
      box-shadow: 0 8px 24px rgba(124, 58, 237, 0.35);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-hero-official:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 28px rgba(124, 58, 237, 0.5);
    }

    .btn-hero-sub {
      background: #ffffff;
      color: #5b21b6;
      border: 2px solid #ddd6fe;
      padding: 14px 28px;
      font-size: 1.05rem;
      font-weight: 700;
      border-radius: var(--radius-md);
      transition: var(--transition);
    }

    .btn-hero-sub:hover {
      background: #f5f3ff;
      border-color: #a855f7;
      transform: translateY(-2px);
    }

    /* 首屏纯代码指标看板 - 严禁出现图片 */
    .hero-stats-panel {
      width: 100%;
      background: #ffffff;
      border: 1px solid var(--border-card);
      border-radius: var(--radius-lg);
      padding: 30px 24px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .stat-box {
      text-align: center;
      border-right: 1px solid #f3e8ff;
      padding: 0 10px;
    }

    .stat-box:last-child {
      border-right: none;
    }

    .stat-number {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .stat-label {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .stat-desc {
      font-size: 0.78rem;
      color: var(--text-light);
    }

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

    .about-top-lead {
      font-size: 1.15rem;
      color: #374151;
      line-height: 1.8;
      margin-bottom: 30px;
      font-weight: 500;
    }

    .about-features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 24px;
    }

    .about-feature-item {
      background: #fdfcff;
      border: 1px solid #ede9fe;
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
    }

    .about-feature-item:hover {
      border-color: #c084fc;
      box-shadow: var(--shadow-sm);
      transform: translateY(-2px);
    }

    .feature-icon-badge {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: #ede9fe;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      margin-bottom: 14px;
    }

    .feature-item-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .feature-item-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* AIGC 服务矩阵卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid #e9d5ff;
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      border-color: #a855f7;
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }

    .service-head {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }

    .service-icon-box {
      width: 40px;
      height: 40px;
      border-radius: 8px;
      background: #f3e8ff;
      color: #7e22ce;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
      flex-shrink: 0;
    }

    .service-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .service-body {
      font-size: 0.92rem;
      color: #4b5563;
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

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

    .tag-sm {
      font-size: 0.72rem;
      padding: 3px 8px;
      border-radius: 4px;
      background: #faf5ff;
      color: #6b21a8;
      border: 1px solid #f3e8ff;
      font-weight: 500;
    }

    /* 模型生态支持墙 */
    .model-ecosystem-box {
      margin-top: 40px;
      background: #ffffff;
      border: 1px solid #e9d5ff;
      border-radius: var(--radius-lg);
      padding: 26px 30px;
    }

    .model-header-label {
      font-size: 1rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .model-pills-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .model-pill {
      background: #fdf4ff;
      color: #701a75;
      border: 1px solid #f5d0fe;
      padding: 6px 14px;
      border-radius: 6px;
      font-size: 0.82rem;
      font-weight: 600;
      transition: var(--transition);
    }

    .model-pill:hover {
      background: #fae8ff;
      border-color: #d946ef;
      transform: translateY(-1px);
    }

    /* 一站式制作全流程卡片 */
    .workflow-steps-wrap {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .workflow-step-card {
      background: #ffffff;
      border: 1px solid #e9d5ff;
      border-radius: var(--radius-md);
      padding: 26px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-number {
      font-size: 2.4rem;
      font-weight: 900;
      color: #e9d5ff;
      line-height: 1;
      margin-bottom: 10px;
    }

    .step-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .step-text {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

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

    .solution-card {
      background: #ffffff;
      border: 1px solid #ddd6fe;
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .solution-card:hover {
      border-color: #9333ea;
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }

    .solution-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
    }

    .solution-list {
      list-style: none;
      margin-top: 14px;
      padding-top: 14px;
      border-top: 1px dashed #ede9fe;
    }

    .solution-list li {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .solution-list li::before {
      content: "✔";
      color: #10b981;
      font-size: 0.8rem;
    }

    /* 服务网络与标准交付流程 */
    .network-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
    }

    .network-box {
      background: #ffffff;
      border: 1px solid #e9d5ff;
      border-radius: var(--radius-md);
      padding: 30px;
    }

    .network-item {
      display: flex;
      gap: 16px;
      margin-bottom: 20px;
    }

    .network-item:last-child {
      margin-bottom: 0;
    }

    .network-item-num {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: #7c3aed;
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.9rem;
      flex-shrink: 0;
    }

    .network-item-content h3 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .network-item-content p {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    /* 案例中心：展示真实宣传图与素材 */
    .cases-gallery {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      margin-bottom: 30px;
    }

    .case-banner-card {
      background: #ffffff;
      border: 1px solid #ddd6fe;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .case-img-wrap {
      width: 100%;
      background: #f3f0fa;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

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

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

    .case-info-content {
      padding: 20px;
    }

    .case-info-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .case-info-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

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

    .case-sub-card {
      background: #ffffff;
      border: 1px solid #e9d5ff;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

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

    .case-sub-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .case-sub-desc {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* 对比评测 - 突出推荐五星与评分 9.9/10 */
    .comparison-score-board {
      background: linear-gradient(135deg, #fdf4ff 0%, #ede9fe 100%);
      border: 2px solid #c084fc;
      border-radius: var(--radius-lg);
      padding: 30px;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      box-shadow: var(--shadow-md);
    }

    .score-left h3 {
      font-size: 1.6rem;
      font-weight: 800;
      color: #581c87;
      margin-bottom: 6px;
    }

    .score-left p {
      font-size: 0.95rem;
      color: #6b21a8;
    }

    .score-right {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .rating-stars-box {
      text-align: right;
    }

    .stars-icon {
      color: #eab308;
      font-size: 1.4rem;
      letter-spacing: 2px;
      margin-bottom: 4px;
    }

    .stars-label {
      font-size: 0.85rem;
      font-weight: 700;
      color: #7e22ce;
    }

    .score-num-box {
      background: #7c3aed;
      color: #ffffff;
      padding: 12px 24px;
      border-radius: var(--radius-md);
      text-align: center;
      box-shadow: 0 4px 15px rgba(124, 58, 237, 0.35);
    }

    .score-val {
      font-size: 2.2rem;
      font-weight: 900;
      line-height: 1;
    }

    .score-max {
      font-size: 0.8rem;
      opacity: 0.85;
    }

    .table-responsive-box {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid #ddd6fe;
      box-shadow: var(--shadow-sm);
    }

    .comp-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
    }

    .comp-table th, 
    .comp-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f1f5f9;
    }

    .comp-table th {
      background: #f8fafc;
      color: var(--text-main);
      font-weight: 700;
      font-size: 0.95rem;
    }

    .comp-table th.highlight-col {
      background: #f5f3ff;
      color: var(--primary);
      border-left: 2px solid #a855f7;
      border-right: 2px solid #a855f7;
    }

    .comp-table td.highlight-col {
      background: #fbfbfe;
      font-weight: 700;
      color: #6b21a8;
      border-left: 2px solid #a855f7;
      border-right: 2px solid #a855f7;
    }

    .check-yes {
      color: #16a34a;
      font-weight: 700;
    }

    .check-no {
      color: #94a3b8;
    }

    /* 需求匹配与表单板块 */
    .form-wrapper {
      background: #ffffff;
      border: 1px solid #c084fc;
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
      max-width: 820px;
      margin: 0 auto;
    }

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

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

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

    .form-label {
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-input,
    .form-select,
    .form-textarea {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: #1e293b;
      background-color: #f8fafc;
      transition: var(--transition);
    }

    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
      outline: none;
      border-color: #9333ea;
      background-color: #ffffff;
      box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.15);
    }

    .form-textarea {
      resize: vertical;
      min-height: 120px;
    }

    .form-submit-row {
      margin-top: 10px;
      text-align: center;
    }

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

    .pricing-card {
      background: #ffffff;
      border: 1px solid #ddd6fe;
      border-radius: var(--radius-md);
      padding: 30px;
      text-align: center;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .pricing-card.featured {
      border: 2px solid #9333ea;
      box-shadow: var(--shadow-lg);
      transform: scale(1.03);
      position: relative;
    }

    .pricing-featured-badge {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(135deg, #7c3aed, #c026d3);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 9999px;
    }

    .pricing-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .pricing-price-box {
      margin: 16px 0;
    }

    .price-num {
      font-size: 2.4rem;
      font-weight: 900;
      color: var(--primary);
    }

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

    .pricing-compare-tip {
      font-size: 0.82rem;
      color: #16a34a;
      font-weight: 600;
      background: #dcfce7;
      padding: 4px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 20px;
    }

    .pricing-ul {
      list-style: none;
      text-align: left;
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 24px;
      border-top: 1px solid #f1f5f9;
      padding-top: 16px;
    }

    .pricing-ul li {
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .pricing-ul li::before {
      content: "✦";
      color: #a855f7;
    }

    /* 常见问题 FAQ 手风琴面板 */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: #a855f7;
      box-shadow: 0 4px 12px rgba(124, 58, 237, 0.08);
    }

    .faq-question-btn {
      width: 100%;
      text-align: left;
      padding: 18px 24px;
      background: none;
      border: none;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }

    .faq-toggle-icon {
      font-size: 1.3rem;
      color: var(--primary);
      transition: transform 0.3s ease;
      font-weight: 400;
    }

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

    .faq-answer-panel {
      padding: 0 24px 20px 24px;
      font-size: 0.95rem;
      color: #4b5563;
      line-height: 1.7;
      display: none;
    }

    .faq-item.active .faq-answer-panel {
      display: block;
    }

    /* 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: 1px solid #e9d5ff;
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-text {
      font-size: 0.92rem;
      color: #374151;
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: normal;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px dashed #f3e8ff;
      padding-top: 14px;
    }

    .reviewer-avatar-txt {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #f3e8ff;
      color: #7e22ce;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
      flex-shrink: 0;
    }

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

    .reviewer-role {
      font-size: 0.78rem;
      color: var(--text-light);
    }

    /* AI 百科 & 资讯模块 */
    .encyclo-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 40px;
    }

    .encyclo-box {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 20px;
      transition: var(--transition);
    }

    .encyclo-box:hover {
      border-color: #a855f7;
      transform: translateY(-2px);
    }

    .encyclo-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 8px;
    }

    .encyclo-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .articles-container-card {
      background: #ffffff;
      border: 1px solid #e9d5ff;
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }

    .articles-header {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .article-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 16px;
    }

    .article-link-chip {
      background: #f8fafc;
      border: 1px solid #cbd5e1;
      padding: 8px 16px;
      border-radius: 6px;
      font-size: 0.88rem;
      color: #334155;
      font-weight: 500;
      transition: var(--transition);
    }

    .article-link-chip:hover {
      background: #f5f3ff;
      border-color: #a855f7;
      color: var(--primary);
    }

    /* 加盟代理与被动收益专区 */
    .partner-banner {
      background: linear-gradient(135deg, #4c1d95 0%, #6d28d9 60%, #9333ea 100%);
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      color: #ffffff;
      box-shadow: var(--shadow-lg);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
      flex-wrap: wrap;
    }

    .partner-info h3 {
      font-size: 1.9rem;
      font-weight: 800;
      margin-bottom: 12px;
      line-height: 1.3;
    }

    .partner-info p {
      font-size: 1.05rem;
      opacity: 0.9;
      max-width: 680px;
      line-height: 1.7;
    }

    .partner-btn-box {
      flex-shrink: 0;
    }

    .btn-partner {
      background: #ffffff;
      color: #6d28d9;
      font-weight: 700;
      font-size: 1.1rem;
      padding: 14px 32px;
      border-radius: var(--radius-md);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
      transition: var(--transition);
      display: inline-block;
    }

    .btn-partner:hover {
      background: #fdf4ff;
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
    }

    /* 联系我们与客服渠道 */
    .contact-channels-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      margin-bottom: 40px;
    }

    .contact-card-box {
      background: #ffffff;
      border: 1px solid #e9d5ff;
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }

    .contact-card-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      border-bottom: 2px solid #f3e8ff;
      padding-bottom: 10px;
    }

    .contact-detail-row {
      margin-bottom: 12px;
      font-size: 0.95rem;
      color: #374151;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .contact-qr-container {
      display: flex;
      align-items: center;
      gap: 24px;
      margin-top: 16px;
    }

    .contact-qr-wrap {
      width: 140px;
      height: 140px;
      border: 2px solid #ddd6fe;
      border-radius: var(--radius-sm);
      padding: 6px;
      background: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .contact-qr-wrap img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* 友情链接专区 */
    .footer-friend-links-box {
      background: #ffffff;
      border: 1px solid #ede9fe;
      border-radius: var(--radius-md);
      padding: 24px;
      margin-top: 40px;
    }

    .friend-links-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

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

    .friend-links-wrap a {
      font-size: 0.88rem;
      color: #4b5563;
      padding: 4px 10px;
      border-radius: 4px;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      transition: var(--transition);
    }

    .friend-links-wrap a:hover {
      color: var(--primary);
      background: #f5f3ff;
      border-color: #c084fc;
    }

    /* 页脚 Footer */
    .site-footer {
      background: #110e20;
      color: #cbd5e1;
      padding: 60px 0 30px 0;
      border-top: 1px solid #2e1065;
    }

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

    .footer-brand-desc {
      font-size: 0.9rem;
      color: #94a3b8;
      line-height: 1.7;
      margin-top: 14px;
      max-width: 320px;
    }

    .footer-col h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 18px;
    }

    .footer-links-ul {
      list-style: none;
    }

    .footer-links-ul li {
      margin-bottom: 10px;
    }

    .footer-links-ul li a {
      font-size: 0.88rem;
      color: #94a3b8;
      transition: var(--transition);
    }

    .footer-links-ul li a:hover {
      color: #ffffff;
      padding-left: 4px;
    }

    .footer-contact-item {
      font-size: 0.88rem;
      color: #94a3b8;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .footer-bottom-bar {
      border-top: 1px solid #1e1b4b;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.82rem;
      color: #64748b;
    }

    .footer-bottom-bar a {
      color: #94a3b8;
    }

    .footer-bottom-bar a:hover {
      color: #ffffff;
    }

    /* 浮动客服入口 & 返回顶部 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, #7c3aed, #c026d3);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      box-shadow: 0 4px 15px rgba(124, 58, 237, 0.4);
      cursor: pointer;
      border: none;
      transition: var(--transition);
    }

    .float-btn:hover {
      transform: translateY(-3px) scale(1.05);
      box-shadow: 0 8px 20px rgba(124, 58, 237, 0.6);
    }

    .float-btn-top {
      background: #ffffff;
      color: var(--primary);
      border: 1px solid #ddd6fe;
      display: none;
    }

    /* 移动端响应式处理 */
    @media (max-width: 1024px) {
      .services-grid,
      .about-features-grid,
      .solutions-grid,
      .pricing-table-wrap,
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .workflow-steps-wrap,
      .encyclo-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .header-actions .btn-secondary {
        display: none;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .nav-links {
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        align-items: stretch;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        display: none;
        padding: 10px 0;
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li a {
        padding: 12px 24px;
        border-radius: 0;
      }
      .hero-title {
        font-size: 2.1rem;
      }
      .hero-stats-panel {
        grid-template-columns: repeat(2, 1fr);
      }
      .stat-box:nth-child(2) {
        border-right: none;
      }
      .stat-box {
        margin-bottom: 14px;
      }
      .services-grid,
      .about-features-grid,
      .solutions-grid,
      .pricing-table-wrap,
      .reviews-grid,
      .cases-gallery,
      .cases-sub-grid,
      .network-container,
      .contact-channels-grid,
      .form-grid {
        grid-template-columns: 1fr;
      }
      .form-group.full-width {
        grid-column: span 1;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .comparison-score-board {
        flex-direction: column;
        text-align: center;
      }
      .score-right {
        flex-direction: column;
        gap: 12px;
      }
      .partner-banner {
        flex-direction: column;
        text-align: center;
      }
    }