:root {
      --primary: #e11d48;
      --primary-hover: #be123c;
      --primary-dark: #9f1239;
      --primary-light: #ffe4e6;
      --primary-tint: #fff1f2;
      --accent: #fb7185;
      --accent-purple: #8b5cf6;
      --bg-main: #fffdfd;
      --bg-subtle: #fcf6f7;
      --bg-card: #ffffff;
      --text-main: #1e293b;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-color: #fecdd3;
      --border-light: #ffe4e6;
      --shadow-sm: 0 2px 8px rgba(225, 29, 72, 0.06);
      --shadow-md: 0 8px 24px rgba(225, 29, 72, 0.08);
      --shadow-lg: 0 16px 36px rgba(225, 29, 72, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --container-width: 1200px;
    }

    * {
      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", "WenQuanYi Micro Hei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      background-image: radial-gradient(circle at 10% 20%, rgba(254, 205, 211, 0.25) 0%, transparent 40%),
                        radial-gradient(circle at 90% 80%, rgba(254, 226, 226, 0.3) 0%, transparent 45%);
      background-attachment: fixed;
    }

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

    ul, ol {
      list-style: none;
    }

    .container {
      width: 100%;
      max-width: var(--container-width);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 12px rgba(225, 29, 72, 0.05);
    }

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

    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .brand-wrap img.ai-page-logo {
      height: 42px;
      width: auto;
      display: block;
    }

    .brand-name {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
    }

    .brand-name span {
      color: var(--text-main);
      font-size: 0.9rem;
      font-weight: 500;
      margin-left: 6px;
    }

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

    .nav-links a {
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-muted);
      padding: 8px 11px;
      border-radius: var(--radius-sm);
      white-space: nowrap;
    }

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

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .btn-nav-primary {
      background: linear-gradient(135deg, var(--primary) 0%, #f43f5e 100%);
      color: #ffffff !important;
      padding: 9px 18px;
      border-radius: var(--radius-full);
      font-size: 0.92rem;
      font-weight: 700;
      box-shadow: 0 4px 14px rgba(225, 29, 72, 0.28);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .btn-nav-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(225, 29, 72, 0.38);
    }

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

    /* 移动端菜单抽屉 */
    .mobile-menu {
      display: none;
      position: absolute;
      top: 72px;
      left: 0;
      width: 100%;
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
      padding: 16px 20px;
      box-shadow: var(--shadow-lg);
      max-height: 80vh;
      overflow-y: auto;
    }

    .mobile-menu.active {
      display: block;
    }

    .mobile-menu-links {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 8px;
    }

    .mobile-menu-links a {
      padding: 10px;
      font-size: 0.9rem;
      color: var(--text-main);
      border-radius: var(--radius-sm);
      background: var(--bg-subtle);
      text-align: center;
      font-weight: 600;
    }

    /* 通用Section */
    section {
      padding: 72px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 48px auto;
    }

    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      background: var(--primary-light);
      color: var(--primary-dark);
      font-size: 0.82rem;
      font-weight: 700;
      border-radius: var(--radius-full);
      margin-bottom: 12px;
      border: 1px solid var(--border-color);
      text-transform: uppercase;
    }

    .section-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-title span {
      color: var(--primary);
      position: relative;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 首屏 HERO - 禁止出现任何图片 */
    .hero-section {
      padding: 88px 0 80px 0;
      background: linear-gradient(180deg, rgba(255, 241, 242, 0.6) 0%, rgba(255, 253, 253, 0.9) 100%);
      border-bottom: 1px solid var(--border-light);
      text-align: center;
      position: relative;
    }

    .hero-badge-wrap {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 6px 18px;
      border-radius: var(--radius-full);
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

    .hero-badge-tag {
      background: var(--primary);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 2px 8px;
      border-radius: var(--radius-full);
    }

    .hero-badge-text {
      font-size: 0.88rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    .hero-title {
      font-size: 3rem;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-title .highlight {
      color: var(--primary);
      background: linear-gradient(120deg, #e11d48, #f43f5e);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.2rem;
      color: var(--text-muted);
      max-width: 860px;
      margin: 0 auto 36px auto;
      line-height: 1.8;
      font-weight: 400;
    }

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

    .btn-hero-official {
      background: linear-gradient(135deg, #e11d48 0%, #be123c 100%);
      color: #ffffff !important;
      padding: 15px 38px;
      font-size: 1.12rem;
      font-weight: 800;
      border-radius: var(--radius-full);
      box-shadow: 0 8px 24px rgba(225, 29, 72, 0.35);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.3s ease;
    }

    .btn-hero-official:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 12px 30px rgba(225, 29, 72, 0.45);
    }

    .btn-hero-sub {
      background: #ffffff;
      color: var(--primary) !important;
      border: 2px solid var(--primary);
      padding: 13px 32px;
      font-size: 1.05rem;
      font-weight: 700;
      border-radius: var(--radius-full);
      box-shadow: var(--shadow-sm);
    }

    .btn-hero-sub:hover {
      background: var(--primary-tint);
      transform: translateY(-2px);
    }

    /* Hero 数据看板 - 纯CSS设计 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 10px;
    }

    .hero-stat-card {
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 18px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: transform 0.25s ease;
    }

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

    .stat-number {
      font-size: 2rem;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 4px;
      font-family: inherit;
    }

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

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

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

    .about-text h3 {
      font-size: 1.7rem;
      color: var(--text-main);
      margin-bottom: 16px;
      font-weight: 800;
    }

    .about-text p {
      color: var(--text-muted);
      margin-bottom: 16px;
      font-size: 1rem;
      line-height: 1.8;
    }

    .about-pillars {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .pillar-item {
      background: var(--bg-subtle);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 16px;
    }

    .pillar-item h4 {
      color: var(--primary);
      font-size: 1.05rem;
      margin-bottom: 6px;
      font-weight: 700;
    }

    .pillar-item p {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin: 0;
      line-height: 1.5;
    }

    .about-feature-box {
      background: linear-gradient(145deg, #fff5f7 0%, #ffffff 100%);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
    }

    .feature-list-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      margin-bottom: 20px;
    }

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

    .feature-icon-bullet {
      width: 28px;
      height: 28px;
      background: var(--primary);
      color: #ffffff;
      border-radius: var(--radius-full);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 0.85rem;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .feature-list-item strong {
      display: block;
      color: var(--text-main);
      font-size: 1.02rem;
      margin-bottom: 4px;
    }

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

    /* AIGC 服务与一站式制作卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      overflow: hidden;
    }

    .service-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: var(--primary);
      opacity: 0;
      transition: opacity 0.3s ease;
    }

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

    .service-card:hover::before {
      opacity: 1;
    }

    .service-card-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary);
      background: var(--primary-light);
      padding: 3px 10px;
      border-radius: var(--radius-full);
      align-self: flex-start;
      margin-bottom: 14px;
    }

    .service-card h3 {
      font-size: 1.25rem;
      color: var(--text-main);
      margin-bottom: 10px;
      font-weight: 800;
    }

    .service-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .service-card-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid var(--border-light);
      padding-top: 14px;
      font-size: 0.86rem;
      color: var(--primary-dark);
      font-weight: 700;
    }

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

    .solution-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

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

    .solution-icon-title {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .sol-icon {
      width: 44px;
      height: 44px;
      background: var(--primary-tint);
      color: var(--primary);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1.2rem;
      border: 1px solid var(--border-color);
    }

    .solution-card h3 {
      font-size: 1.18rem;
      color: var(--text-main);
      font-weight: 800;
    }

    .solution-card ul {
      margin-top: 12px;
      padding-left: 0;
    }

    .solution-card li {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 8px;
      position: relative;
      padding-left: 16px;
      line-height: 1.5;
    }

    .solution-card li::before {
      content: "•";
      color: var(--primary);
      position: absolute;
      left: 0;
      font-weight: bold;
    }

    /* 标准流程 4 步 */
    .workflow-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .workflow-step {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      position: relative;
      transition: transform 0.25s ease;
    }

    .workflow-step:hover {
      transform: translateY(-4px);
      border-color: var(--primary);
    }

    .step-number {
      width: 48px;
      height: 48px;
      background: linear-gradient(135deg, var(--primary) 0%, #f43f5e 100%);
      color: #ffffff;
      border-radius: var(--radius-full);
      font-size: 1.2rem;
      font-weight: 900;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px auto;
      box-shadow: 0 4px 12px rgba(225, 29, 72, 0.3);
    }

    .workflow-step h3 {
      font-size: 1.15rem;
      color: var(--text-main);
      margin-bottom: 8px;
      font-weight: 800;
    }

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

    /* 案例展示区（含真实图片） */
    .case-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 24px;
      margin-bottom: 24px;
    }

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

    .case-image-holder {
      width: 100%;
      background: var(--bg-subtle);
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .case-image-holder img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.35s ease;
    }

    .case-image-holder:hover img {
      transform: scale(1.03);
    }

    .case-info {
      padding: 20px;
    }

    .case-info h3 {
      font-size: 1.2rem;
      color: var(--text-main);
      margin-bottom: 6px;
      font-weight: 800;
    }

    .case-info p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

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

    /* 对比评测板块 */
    .eval-highlight-box {
      background: linear-gradient(135deg, #fff1f2 0%, #ffffff 100%);
      border: 2px solid var(--primary);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-md);
      margin-bottom: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }

    .eval-score-wrap {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .score-circle {
      width: 90px;
      height: 90px;
      background: linear-gradient(135deg, var(--primary) 0%, #be123c 100%);
      color: #ffffff;
      border-radius: var(--radius-full);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 0 6px 18px rgba(225, 29, 72, 0.3);
    }

    .score-circle .score-val {
      font-size: 1.8rem;
      font-weight: 900;
      line-height: 1;
    }

    .score-circle .score-total {
      font-size: 0.72rem;
      opacity: 0.9;
    }

    .eval-score-text h3 {
      font-size: 1.4rem;
      color: var(--text-main);
      font-weight: 800;
      margin-bottom: 4px;
    }

    .eval-stars {
      color: #f59e0b;
      font-size: 1.2rem;
      letter-spacing: 2px;
    }

    .eval-score-text p {
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-top: 4px;
    }

    .eval-summary-badge {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 12px 24px;
      border-radius: var(--radius-md);
      font-weight: 700;
      color: var(--primary-dark);
      box-shadow: var(--shadow-sm);
    }

    /* 对比表格 */
    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }

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

    .comparison-table th, .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-light);
      font-size: 0.92rem;
    }

    .comparison-table th {
      background: var(--bg-subtle);
      color: var(--text-main);
      font-weight: 800;
    }

    .comparison-table th.highlight-col, .comparison-table td.highlight-col {
      background: #fff5f7;
      color: var(--primary-dark);
      font-weight: 700;
    }

    /* Token 比价与模型库 */
    .model-tags-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-bottom: 28px;
    }

    .model-tags-title {
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .tags-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .model-tag {
      background: var(--bg-subtle);
      border: 1px solid var(--border-color);
      color: var(--text-main);
      font-size: 0.85rem;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: var(--radius-full);
      transition: all 0.2s ease;
    }

    .model-tag:hover {
      background: var(--primary);
      color: #ffffff;
      border-color: var(--primary);
      transform: translateY(-2px);
    }

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

    .price-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

    .price-card.featured {
      border: 2px solid var(--primary);
      position: relative;
      background: linear-gradient(180deg, #fff9fa 0%, #ffffff 100%);
    }

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

    .price-card h3 {
      font-size: 1.2rem;
      color: var(--text-main);
      margin-bottom: 8px;
      font-weight: 800;
    }

    .price-val {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--primary);
      margin: 12px 0 6px 0;
    }

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

    .price-features {
      margin: 18px 0;
      padding: 0;
      text-align: left;
    }

    .price-features li {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 8px;
      padding-left: 14px;
      position: relative;
    }

    .price-features li::before {
      content: "✓";
      color: var(--primary);
      position: absolute;
      left: 0;
      font-weight: bold;
    }

    /* 加盟代理板块 */
    .agent-box {
      background: linear-gradient(135deg, #be123c 0%, #e11d48 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 44px 40px;
      box-shadow: var(--shadow-lg);
    }

    .agent-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .agent-text h3 {
      font-size: 2rem;
      font-weight: 900;
      margin-bottom: 16px;
      color: #ffffff;
    }

    .agent-text p {
      font-size: 1rem;
      opacity: 0.95;
      line-height: 1.8;
      margin-bottom: 24px;
    }

    .agent-benefits {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }

    .agent-benefit-item {
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.25);
      border-radius: var(--radius-md);
      padding: 14px;
    }

    .agent-benefit-item h4 {
      font-size: 1.05rem;
      margin-bottom: 4px;
      font-weight: 800;
    }

    .agent-benefit-item p {
      font-size: 0.82rem;
      margin: 0;
      opacity: 0.9;
    }

    .agent-action-box {
      background: #ffffff;
      color: var(--text-main);
      border-radius: var(--radius-md);
      padding: 28px;
      text-align: center;
      box-shadow: var(--shadow-md);
    }

    .agent-action-box h4 {
      font-size: 1.3rem;
      color: var(--text-main);
      font-weight: 800;
      margin-bottom: 8px;
    }

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

    /* 用户评论 (6条) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.25s ease;
    }

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

    .review-rating {
      color: #f59e0b;
      font-size: 1.05rem;
      margin-bottom: 12px;
    }

    .review-content {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-light);
      padding-top: 14px;
    }

    .user-avatar-char {
      width: 40px;
      height: 40px;
      background: var(--primary-light);
      color: var(--primary-dark);
      border-radius: var(--radius-full);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1rem;
      border: 1px solid var(--border-color);
    }

    .user-meta h4 {
      font-size: 0.95rem;
      color: var(--text-main);
      font-weight: 700;
    }

    .user-meta span {
      font-size: 0.8rem;
      color: var(--text-light);
    }

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

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: border-color 0.2s ease;
    }

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

    .faq-question {
      padding: 18px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      font-weight: 700;
      font-size: 1.02rem;
      color: var(--text-main);
      user-select: none;
    }

    .faq-question:hover {
      color: var(--primary);
      background: var(--primary-tint);
    }

    .faq-icon {
      font-size: 1.2rem;
      color: var(--primary);
      transition: transform 0.3s ease;
    }

    .faq-item.active .faq-icon {
      transform: rotate(180deg);
    }

    .faq-answer {
      display: none;
      padding: 0 24px 20px 24px;
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.7;
      border-top: 1px solid var(--border-light);
      padding-top: 14px;
    }

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

    /* AI 百科词条 */
    .wiki-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .wiki-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
    }

    .wiki-card h3 {
      font-size: 1.1rem;
      color: var(--primary-dark);
      margin-bottom: 8px;
      font-weight: 800;
    }

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

    /* 行业资讯 / 动态文章链接 */
    .articles-card-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .articles-shortcode-wrap {
      background: var(--bg-subtle);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      margin-bottom: 24px;
      font-size: 0.95rem;
      color: var(--text-main);
    }

    .articles-links-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }

    .article-link-item {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px 16px;
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      font-size: 0.88rem;
      color: var(--text-main);
      transition: all 0.2s ease;
    }

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

    /* 表单与联系我们 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 36px;
    }

    .contact-form-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .contact-form-card h3 {
      font-size: 1.45rem;
      color: var(--text-main);
      font-weight: 800;
      margin-bottom: 8px;
    }

    .contact-form-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-group label {
      display: block;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      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(225, 29, 72, 0.12);
    }

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

    .btn-submit {
      width: 100%;
      background: linear-gradient(135deg, var(--primary) 0%, #be123c 100%);
      color: #ffffff;
      border: none;
      padding: 14px;
      border-radius: var(--radius-md);
      font-size: 1.05rem;
      font-weight: 800;
      cursor: pointer;
      box-shadow: 0 6px 18px rgba(225, 29, 72, 0.25);
      transition: all 0.25s ease;
    }

    .btn-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(225, 29, 72, 0.35);
    }

    .contact-info-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-info-list {
      margin-bottom: 24px;
    }

    .contact-info-row {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      margin-bottom: 18px;
    }

    .contact-info-row strong {
      display: block;
      color: var(--text-main);
      font-size: 0.95rem;
    }

    .contact-info-row span {
      color: var(--text-muted);
      font-size: 0.88rem;
    }

    .qr-box-wrap {
      background: var(--bg-subtle);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      text-align: center;
    }

    .qr-image-container {
      width: 140px;
      height: 140px;
      margin: 0 auto 12px auto;
      background: #ffffff;
      padding: 6px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
    }

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

    .qr-box-wrap p {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 48px 0 32px 0;
      color: var(--text-main);
    }

    .footer-links-section {
      border-bottom: 1px solid var(--border-light);
      padding-bottom: 28px;
      margin-bottom: 28px;
    }

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

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

    .friendly-links-wrap a {
      font-size: 0.86rem;
      color: var(--text-muted);
      background: var(--bg-subtle);
      padding: 6px 14px;
      border-radius: var(--radius-full);
      border: 1px solid var(--border-light);
    }

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

    .footer-bottom-grid {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    .footer-nav-simple {
      display: flex;
      gap: 16px;
    }

    .footer-nav-simple a:hover {
      color: var(--primary);
    }

    /* 悬浮客服挂件 */
    .floating-kefu {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      background: var(--primary);
      color: #ffffff;
      border-radius: var(--radius-full);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 16px rgba(225, 29, 72, 0.4);
      cursor: pointer;
      transition: all 0.25s ease;
      font-size: 1.2rem;
      border: none;
    }

    .float-btn:hover {
      transform: scale(1.1);
      background: var(--primary-hover);
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .services-grid, .solutions-grid, .wiki-grid, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .workflow-timeline, .hero-stats-grid, .price-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid, .agent-grid, .contact-grid, .case-grid {
        grid-template-columns: 1fr;
      }
      .nav-links {
        display: none;
      }
      .menu-toggle {
        display: block;
      }
      .case-sub-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 640px) {
      .hero-title {
        font-size: 2rem;
      }
      .section-title {
        font-size: 1.65rem;
      }
      .services-grid, .solutions-grid, .wiki-grid, .reviews-grid, .hero-stats-grid, .price-grid, .workflow-timeline, .articles-links-grid, .case-sub-grid {
        grid-template-columns: 1fr;
      }
      .eval-highlight-box {
        flex-direction: column;
        align-items: flex-start;
      }
      .agent-box {
        padding: 24px 20px;
      }
      .agent-benefits {
        grid-template-columns: 1fr;
      }
      .footer-bottom-grid {
        flex-direction: column;
        text-align: center;
        justify-content: center;
      }
    }