:root {
      --rose-primary: #e11d48;
      --rose-dark: #be123c;
      --rose-deep: #881337;
      --rose-light: #fff1f2;
      --rose-soft: #ffe4e6;
      --rose-accent: #f43f5e;
      --fuchsia-accent: #c026d3;
      --text-main: #18181b;
      --text-muted: #4b5563;
      --text-light: #6b7280;
      --bg-page: #fffdfd;
      --bg-card: #ffffff;
      --border-color: #fecdd3;
      --border-light: #ffe4e6;
      --shadow-sm: 0 4px 6px -1px rgba(225, 29, 72, 0.05), 0 2px 4px -2px rgba(225, 29, 72, 0.05);
      --shadow-md: 0 10px 15px -3px rgba(225, 29, 72, 0.08), 0 4px 6px -4px rgba(225, 29, 72, 0.05);
      --shadow-lg: 0 20px 25px -5px rgba(225, 29, 72, 0.12), 0 8px 10px -6px rgba(225, 29, 72, 0.08);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --radius-full: 9999px;
    }

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

    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: 1.6;
      overflow-x: hidden;
      background-image: 
        radial-gradient(at 0% 0%, rgba(244, 63, 94, 0.04) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(192, 38, 211, 0.03) 0px, transparent 50%);
      background-attachment: fixed;
    }

    /* 容器基准 */
    .ai-container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-light);
      box-shadow: 0 2px 10px rgba(225, 29, 72, 0.04);
      transition: all 0.3s ease;
    }

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

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

    .brand-logo-box {
      height: 42px;
      display: flex;
      align-items: center;
    }

    .ai-page-logo {
      height: 40px;
      width: auto;
      object-fit: contain;
    }

    .brand-text {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--rose-primary);
      letter-spacing: -0.5px;
    }

    .brand-text span {
      color: var(--text-main);
      font-size: 0.95rem;
      font-weight: 600;
      margin-left: 6px;
      padding-left: 8px;
      border-left: 2px solid var(--rose-soft);
    }

    /* 严格要求的 gap: 0 */
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }

    .nav-links a {
      display: inline-block;
      padding: 8px 13px;
      color: #374151;
      text-decoration: none;
      font-size: 0.92rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      transition: all 0.25s ease;
      white-space: nowrap;
    }

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

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

    .btn-nav-primary {
      background: linear-gradient(135deg, var(--rose-primary), var(--rose-accent));
      color: #ffffff !important;
      padding: 9px 18px !important;
      font-size: 0.9rem;
      font-weight: 600;
      border-radius: var(--radius-full);
      text-decoration: none;
      box-shadow: 0 4px 12px rgba(225, 29, 72, 0.25);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .btn-nav-primary:hover {
      transform: translateY(-1px);
      box-shadow: 0 6px 16px rgba(225, 29, 72, 0.35);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
      color: var(--text-main);
    }

    .mobile-menu-toggle svg {
      width: 24px;
      height: 24px;
      display: block;
    }

    /* 移动端菜单层 */
    .mobile-drawer {
      display: none;
      position: absolute;
      top: 72px;
      left: 0;
      width: 100%;
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
      padding: 16px 20px;
    }

    .mobile-drawer.open {
      display: block;
    }

    .mobile-nav-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .mobile-nav-list a {
      display: block;
      padding: 10px 14px;
      color: var(--text-main);
      text-decoration: none;
      font-weight: 600;
      border-radius: var(--radius-sm);
    }

    .mobile-nav-list a:hover {
      background: var(--rose-light);
      color: var(--rose-primary);
    }

    /* 通用 Section 规范 */
    section {
      padding: 80px 0;
      position: relative;
    }

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

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 14px;
      background: var(--rose-light);
      color: var(--rose-primary);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-full);
      font-size: 0.82rem;
      font-weight: 700;
      text-transform: uppercase;
      margin-bottom: 14px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: #111827;
      line-height: 1.3;
      letter-spacing: -0.5px;
      margin-bottom: 14px;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 首屏 Hero 区域：严禁出现图片 */
    .hero-section {
      padding: 90px 0 80px 0;
      background: linear-gradient(180deg, rgba(255, 241, 242, 0.7) 0%, rgba(255, 253, 253, 0.3) 100%);
      position: relative;
      overflow: hidden;
    }

    .hero-glow {
      position: absolute;
      top: -150px;
      left: 50%;
      transform: translateX(-50%);
      width: 700px;
      height: 450px;
      background: radial-gradient(circle, rgba(244, 63, 94, 0.18) 0%, rgba(217, 70, 239, 0.08) 50%, transparent 75%);
      filter: blur(60px);
      pointer-events: none;
      z-index: 1;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-badge-capsule {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      padding: 6px 18px;
      border-radius: var(--radius-full);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--rose-primary);
    }

    .hero-badge-capsule .pulse-dot {
      width: 8px;
      height: 8px;
      background-color: var(--rose-primary);
      border-radius: 50%;
      box-shadow: 0 0 0 4px rgba(225, 29, 72, 0.2);
    }

    /* H1 精炼控制在 20 字以内 */
    .hero-title {
      font-size: 2.85rem;
      font-weight: 900;
      color: #0f172a;
      line-height: 1.25;
      letter-spacing: -1px;
      margin-bottom: 20px;
    }

    .hero-title .highlight-text {
      background: linear-gradient(120deg, var(--rose-primary), var(--fuchsia-accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-subtitle {
      font-size: 1.15rem;
      color: #374151;
      max-width: 750px;
      margin: 0 auto 36px auto;
      line-height: 1.8;
      font-weight: 500;
    }

    .hero-btn-group {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 45px;
    }

    /* 首屏醒目访问官网按钮 */
    .btn-hero-official {
      background: linear-gradient(135deg, #e11d48 0%, #be123c 50%, #9f1239 100%);
      color: #ffffff;
      padding: 16px 36px;
      font-size: 1.1rem;
      font-weight: 800;
      border-radius: var(--radius-full);
      text-decoration: none;
      box-shadow: 0 10px 25px -4px rgba(225, 29, 72, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.3);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }

    .btn-hero-official:hover {
      transform: translateY(-2px) scale(1.02);
      box-shadow: 0 14px 30px -4px rgba(225, 29, 72, 0.55);
      color: #ffffff;
    }

    .btn-hero-secondary {
      background: #ffffff;
      color: #1f2937;
      padding: 15px 30px;
      font-size: 1rem;
      font-weight: 700;
      border-radius: var(--radius-full);
      text-decoration: none;
      border: 1.5px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

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

    /* 首屏纯 CSS 纯数据卡片（不含图片） */
    .hero-metric-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      max-width: 860px;
      margin: 0 auto;
    }

    .hero-metric-card {
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(6px);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 18px 12px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: transform 0.25s ease, border-color 0.25s ease;
    }

    .hero-metric-card:hover {
      transform: translateY(-3px);
      border-color: var(--rose-accent);
      background: #ffffff;
    }

    .metric-num {
      font-size: 1.85rem;
      font-weight: 900;
      color: var(--rose-primary);
      line-height: 1.1;
      margin-bottom: 4px;
    }

    .metric-label {
      font-size: 0.82rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 聚合大模型横向标签云 */
    .model-tape-wrapper {
      margin-top: 40px;
      padding-top: 25px;
      border-top: 1px dashed var(--border-color);
    }

    .tape-title {
      font-size: 0.85rem;
      color: var(--text-light);
      margin-bottom: 12px;
      font-weight: 700;
    }

    .model-tags-container {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
    }

    .model-pill {
      display: inline-block;
      padding: 4px 11px;
      background: #ffffff;
      border: 1px solid #fed7aa;
      border-color: var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.78rem;
      font-weight: 600;
      color: #374151;
      box-shadow: 0 1px 2px rgba(0,0,0,0.03);
    }

    .model-pill.hot {
      background: var(--rose-light);
      border-color: var(--rose-accent);
      color: var(--rose-primary);
    }

    /* 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-sm);
    }

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

    .about-text h3 {
      font-size: 1.6rem;
      color: #111827;
      margin-bottom: 16px;
      font-weight: 800;
    }

    .about-text p {
      color: var(--text-muted);
      margin-bottom: 18px;
      line-height: 1.75;
      font-size: 0.96rem;
    }

    .about-points {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 24px;
    }

    .about-points li {
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 600;
      font-size: 0.9rem;
      color: #1f2937;
    }

    .about-points li svg {
      width: 18px;
      height: 18px;
      color: var(--rose-primary);
      flex-shrink: 0;
    }

    .about-card-stat {
      background: linear-gradient(145deg, #ffffff, var(--rose-light));
      border: 1.5px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
    }

    .stat-row {
      display: flex;
      justify-content: space-between;
      padding: 14px 0;
      border-bottom: 1px solid rgba(225, 29, 72, 0.12);
    }

    .stat-row:last-child {
      border-bottom: none;
    }

    .stat-row-title {
      font-weight: 700;
      color: #1f2937;
    }

    .stat-row-desc {
      color: var(--rose-primary);
      font-weight: 700;
    }

    /* AIGC 服务矩阵卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
      gap: 20px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      position: relative;
    }

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

    .service-icon-box {
      width: 44px;
      height: 44px;
      background: var(--rose-light);
      border: 1px solid var(--rose-soft);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
      color: var(--rose-primary);
    }

    .service-icon-box svg {
      width: 22px;
      height: 22px;
    }

    .service-title {
      font-size: 1.15rem;
      font-weight: 800;
      color: #111827;
      margin-bottom: 8px;
    }

    .service-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .service-badge {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--rose-primary);
      background: var(--rose-light);
      padding: 3px 8px;
      border-radius: 4px;
      align-self: flex-start;
    }

    /* 一站式制作 & 素材融入 */
    .production-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .production-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .pipeline-step {
      display: flex;
      gap: 16px;
      margin-bottom: 24px;
    }

    .pipeline-step:last-child {
      margin-bottom: 0;
    }

    .pipeline-idx {
      width: 36px;
      height: 36px;
      background: var(--rose-primary);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 0.95rem;
      flex-shrink: 0;
    }

    .pipeline-info h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #111827;
      margin-bottom: 4px;
    }

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

    .media-frame {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      background: #fdf2f4;
      box-shadow: var(--shadow-sm);
    }

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

    .media-frame:hover img {
      transform: scale(1.02);
    }

    .media-caption {
      padding: 12px 16px;
      background: #ffffff;
      font-size: 0.85rem;
      font-weight: 700;
      color: #374151;
      border-top: 1px solid var(--border-light);
    }

    /* 行业方案 */
    .solution-tabs-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .solution-item {
      background: #ffffff;
      border: 1.5px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

    .solution-item:hover {
      border-color: var(--rose-primary);
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .solution-item h4 {
      font-size: 1.15rem;
      color: #111827;
      font-weight: 800;
      margin-bottom: 8px;
    }

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

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

    .workflow-node {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      position: relative;
      text-align: center;
    }

    .workflow-node .node-badge {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: var(--rose-light);
      color: var(--rose-primary);
      font-weight: 800;
      font-size: 0.9rem;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 12px auto;
      border: 1px solid var(--rose-soft);
    }

    .workflow-node h4 {
      font-size: 1rem;
      color: #111827;
      margin-bottom: 8px;
      font-weight: 700;
    }

    .workflow-node p {
      font-size: 0.84rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 案例中心 & 宣传图 */
    .banner-gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 30px;
    }

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

    .gallery-card .img-box {
      width: 100%;
      background: #f8fafc;
      overflow: hidden;
      aspect-ratio: 16 / 9;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .gallery-card .img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .gallery-info {
      padding: 16px;
    }

    .gallery-info h4 {
      font-size: 1rem;
      font-weight: 700;
      color: #111827;
      margin-bottom: 6px;
    }

    .gallery-info p {
      font-size: 0.84rem;
      color: var(--text-muted);
    }

    /* 对比评测：五星、9.9/10分 */
    .evaluation-card {
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .eval-highlight-header {
      background: linear-gradient(135deg, var(--rose-light) 0%, #ffffff 100%);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
      margin-bottom: 30px;
    }

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

    .big-score {
      font-size: 3rem;
      font-weight: 900;
      color: var(--rose-primary);
      line-height: 1;
    }

    .score-detail {
      display: flex;
      flex-direction: column;
    }

    .star-rating {
      color: #f59e0b;
      font-size: 1.25rem;
      letter-spacing: 2px;
      line-height: 1;
      margin-bottom: 4px;
    }

    .score-text {
      font-size: 0.88rem;
      font-weight: 700;
      color: #374151;
    }

    .eval-verdict {
      max-width: 450px;
      font-size: 0.95rem;
      color: #4b5563;
      line-height: 1.6;
    }

    .eval-table-container {
      overflow-x: auto;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
    }

    .eval-table {
      width: 100%;
      border-collapse: collapse;
      min-width: 650px;
      font-size: 0.92rem;
    }

    .eval-table th,
    .eval-table td {
      padding: 14px 18px;
      text-align: left;
      border-bottom: 1px solid var(--border-light);
    }

    .eval-table th {
      background: #fff5f6;
      color: #1f2937;
      font-weight: 800;
    }

    .eval-table td.brand-col {
      font-weight: 700;
      color: var(--rose-primary);
      background: rgba(255, 241, 242, 0.4);
    }

    .eval-table td.dim-col {
      color: #6b7280;
    }

    /* Token 比价 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .pricing-card {
      background: #ffffff;
      border: 1.5px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      position: relative;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .pricing-card.featured {
      border-color: var(--rose-primary);
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }

    .pricing-tag {
      position: absolute;
      top: -12px;
      right: 20px;
      background: var(--rose-primary);
      color: #ffffff;
      padding: 3px 12px;
      border-radius: var(--radius-full);
      font-size: 0.75rem;
      font-weight: 700;
    }

    .pricing-name {
      font-size: 1.25rem;
      font-weight: 800;
      color: #111827;
      margin-bottom: 6px;
    }

    .pricing-target {
      font-size: 0.85rem;
      color: var(--text-light);
      margin-bottom: 16px;
    }

    .pricing-rate {
      font-size: 2rem;
      font-weight: 900;
      color: var(--rose-primary);
      margin-bottom: 20px;
    }

    .pricing-rate small {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-muted);
    }

    .pricing-features {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      margin-bottom: 24px;
      flex-grow: 1;
    }

    .pricing-features li {
      font-size: 0.88rem;
      color: #374151;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .pricing-features li svg {
      width: 16px;
      height: 16px;
      color: var(--rose-primary);
      flex-shrink: 0;
    }

    .btn-pricing-action {
      display: block;
      text-align: center;
      background: var(--rose-light);
      color: var(--rose-primary);
      border: 1px solid var(--rose-soft);
      padding: 10px;
      border-radius: var(--radius-sm);
      font-weight: 700;
      text-decoration: none;
      transition: all 0.2s ease;
    }

    .pricing-card.featured .btn-pricing-action {
      background: var(--rose-primary);
      color: #ffffff;
      border-color: var(--rose-primary);
    }

    .btn-pricing-action:hover {
      background: var(--rose-dark);
      color: #ffffff;
    }

    /* 6 条用户真实评价 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .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;
    }

    .review-content {
      font-size: 0.9rem;
      color: #374151;
      line-height: 1.7;
      margin-bottom: 18px;
    }

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

    .user-avatar-initial {
      width: 40px;
      height: 40px;
      background: var(--rose-light);
      border: 1px solid var(--border-color);
      color: var(--rose-primary);
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .user-meta-name {
      font-size: 0.92rem;
      font-weight: 700;
      color: #111827;
    }

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

    /* FAQ 手风琴面板 */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

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

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

    .faq-question {
      width: 100%;
      text-align: left;
      background: none;
      border: none;
      padding: 18px 20px;
      font-size: 1rem;
      font-weight: 700;
      color: #111827;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }

    .faq-question svg {
      width: 20px;
      height: 20px;
      color: var(--rose-primary);
      transition: transform 0.25s ease;
      flex-shrink: 0;
    }

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

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

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

    /* 行业资讯 & 最新文章 */
    .news-wrapper {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .article-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 18px;
      padding-top: 18px;
      border-top: 1px solid var(--border-light);
    }

    .article-item-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 16px;
      background: var(--rose-light);
      border: 1px solid var(--border-color);
      color: var(--rose-primary);
      text-decoration: none;
      font-size: 0.88rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
    }

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

    /* 加盟代理模块 */
    .partner-banner {
      background: linear-gradient(135deg, #fff1f2 0%, #ffe4e6 100%);
      border: 1.5px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 30px;
      align-items: center;
    }

    .partner-desc h3 {
      font-size: 1.75rem;
      font-weight: 800;
      color: #111827;
      margin-bottom: 12px;
    }

    .partner-desc p {
      font-size: 0.96rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .partner-features {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
    }

    .partner-feat-item {
      font-weight: 700;
      font-size: 0.9rem;
      color: var(--rose-primary);
      background: #ffffff;
      padding: 6px 14px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
    }

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

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

    .contact-info-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .contact-info-card h3 {
      font-size: 1.4rem;
      color: #111827;
      margin-bottom: 20px;
      font-weight: 800;
    }

    .contact-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-bottom: 28px;
    }

    .contact-list li {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.92rem;
      color: #374151;
    }

    .contact-list li strong {
      color: #111827;
      min-width: 85px;
    }

    .qr-box-wrap {
      background: var(--rose-light);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px;
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
    }

    .qr-box-wrap img {
      width: 130px;
      height: 130px;
      object-fit: cover;
      border-radius: 6px;
    }

    .qr-box-wrap span {
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--rose-primary);
    }

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

    .form-box h3 {
      font-size: 1.4rem;
      color: #111827;
      margin-bottom: 8px;
      font-weight: 800;
    }

    .form-box p {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

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

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

    .form-group label {
      font-size: 0.88rem;
      font-weight: 700;
      color: #374151;
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1.5px solid var(--border-light);
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      color: #1f2937;
      background: #ffffff;
      outline: none;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .form-control:focus {
      border-color: var(--rose-primary);
      box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.12);
    }

    .btn-submit-form {
      background: linear-gradient(135deg, var(--rose-primary), var(--rose-dark));
      color: #ffffff;
      border: none;
      padding: 14px;
      font-size: 1rem;
      font-weight: 700;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(225, 29, 72, 0.3);
      transition: all 0.25s ease;
    }

    .btn-submit-form:hover {
      background: var(--rose-deep);
      transform: translateY(-1px);
      box-shadow: 0 6px 18px rgba(225, 29, 72, 0.4);
    }

    /* 页脚结构：强制深色文字，清晰明了，无备案号 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 50px 0 30px 0;
      color: #374151;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 30px;
      margin-bottom: 36px;
    }

    .footer-brand h4 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--rose-primary);
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.7;
      max-width: 400px;
    }

    .footer-links-col h5 {
      font-size: 0.95rem;
      font-weight: 800;
      color: #111827;
      margin-bottom: 14px;
    }

    .footer-links-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-links-col a {
      color: #4b5563;
      text-decoration: none;
      font-size: 0.88rem;
      transition: color 0.2s ease;
    }

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

    /* 友情链接统一区 */
    .friend-links-strip {
      padding: 18px 0;
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
      margin-bottom: 24px;
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
    }

    .friend-links-title {
      font-size: 0.85rem;
      font-weight: 800;
      color: #111827;
    }

    .friend-links-strip a {
      font-size: 0.84rem;
      color: #4b5563;
      text-decoration: none;
      padding: 3px 10px;
      background: var(--rose-light);
      border-radius: 4px;
      transition: all 0.2s ease;
    }

    .friend-links-strip a:hover {
      color: var(--rose-primary);
      background: #ffe4e6;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.82rem;
      color: #6b7280;
    }

    .ai-page-home-link {
      color: var(--rose-primary);
      text-decoration: none;
      font-weight: 700;
      margin-left: 6px;
    }

    /* 悬浮客服与返回顶部小挂件 */
    .float-dock {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 99;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .dock-btn {
      width: 46px;
      height: 46px;
      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(--rose-primary);
      cursor: pointer;
      text-decoration: none;
      transition: all 0.25s ease;
    }

    .dock-btn:hover {
      background: var(--rose-primary);
      color: #ffffff;
      transform: translateY(-2px);
    }

    .dock-btn svg {
      width: 20px;
      height: 20px;
    }

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .hero-title {
        font-size: 2.3rem;
      }
      .hero-metric-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .workflow-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .solution-tabs-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav-links, .nav-actions {
        display: none;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .hero-title {
        font-size: 1.85rem;
      }
      .hero-subtitle {
        font-size: 0.95rem;
      }
      .about-grid,
      .production-layout,
      .contact-layout,
      .partner-banner,
      .footer-top {
        grid-template-columns: 1fr;
      }
      .pricing-grid,
      .banner-gallery-grid,
      .reviews-grid,
      .solution-tabs-grid,
      .workflow-timeline {
        grid-template-columns: 1fr;
      }
      .eval-highlight-header {
        flex-direction: column;
        align-items: flex-start;
      }
      section {
        padding: 55px 0;
      }
    }