:root {
      --candy-pink: #ff5e8e;
      --candy-purple: #845ef7;
      --candy-blue: #339af0;
      --candy-cyan: #20c997;
      --candy-yellow: #fcc419;
      --candy-orange: #ff922b;
      --bg-cream: #faf9fd;
      --card-bg: #ffffff;
      --text-main: #2b2c34;
      --text-muted: #646b82;
      --border-candy: #e9ecef;
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-full: 9999px;
      --shadow-soft: 0 10px 30px rgba(132, 94, 247, 0.08);
      --shadow-hover: 0 16px 36px rgba(132, 94, 247, 0.16);
      --gradient-candy: linear-gradient(135deg, #ff758c 0%, #ff7eb3 50%, #7afcff 100%);
      --gradient-btn: linear-gradient(135deg, #ff5e8e 0%, #845ef7 100%);
      --gradient-accent: linear-gradient(135deg, #339af0 0%, #20c997 100%);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-cream);
      color: var(--text-main);
      line-height: 1.6;
    }

    body {
      background: radial-gradient(circle at 10% 10%, rgba(255, 94, 142, 0.04), transparent 40%),
                  radial-gradient(circle at 90% 80%, rgba(51, 154, 240, 0.05), transparent 40%),
                  var(--bg-cream);
      overflow-x: hidden;
    }

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

    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(132, 94, 247, 0.1);
    }

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

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

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

    .brand-title {
      font-size: 20px;
      font-weight: 800;
      background: var(--gradient-btn);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }

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

    .nav-links li a {
      padding: 8px 14px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      border-radius: var(--radius-full);
      display: inline-block;
    }

    .nav-links li a:hover {
      color: var(--candy-purple);
      background-color: rgba(132, 94, 247, 0.08);
    }

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

    .btn-candy {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 14px;
      font-weight: 700;
      color: #fff;
      background: var(--gradient-btn);
      border-radius: var(--radius-full);
      box-shadow: 0 4px 14px rgba(255, 94, 142, 0.35);
      border: none;
      cursor: pointer;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .btn-candy:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 94, 142, 0.45);
      color: #fff;
    }

    .btn-candy-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      font-size: 14px;
      font-weight: 700;
      color: var(--candy-purple);
      background: #ffffff;
      border: 1.5px solid var(--candy-purple);
      border-radius: var(--radius-full);
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .btn-candy-outline:hover {
      background: rgba(132, 94, 247, 0.08);
      transform: translateY(-2px);
    }

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

    /* 首屏 Hero（无图片） */
    .hero-section {
      padding: 70px 0 50px 0;
      text-align: center;
      position: relative;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      padding: 6px 16px;
      background: rgba(255, 94, 142, 0.1);
      color: var(--candy-pink);
      border-radius: var(--radius-full);
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 20px;
      border: 1px solid rgba(255, 94, 142, 0.2);
    }

    .hero-title {
      font-size: 42px;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 18px;
      color: #1f2024;
      letter-spacing: -0.5px;
    }

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

    .hero-desc {
      font-size: 17px;
      color: var(--text-muted);
      max-width: 780px;
      margin: 0 auto 32px auto;
      line-height: 1.7;
    }

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

    .btn-hero-primary {
      padding: 14px 34px;
      font-size: 16px;
      font-weight: 800;
      letter-spacing: 0.5px;
    }

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

    .hero-stat-card {
      background: #ffffff;
      padding: 24px 16px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(132, 94, 247, 0.12);
      box-shadow: var(--shadow-soft);
      transition: transform 0.25s ease;
    }

    .hero-stat-card:hover {
      transform: translateY(-4px);
    }

    .stat-number {
      font-size: 28px;
      font-weight: 900;
      color: var(--candy-purple);
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 通用章节标题 */
    .section-wrap {
      padding: 60px 0;
    }

    .section-header {
      text-align: center;
      margin-bottom: 40px;
    }

    .section-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--candy-blue);
      background: rgba(51, 154, 240, 0.1);
      padding: 4px 12px;
      border-radius: var(--radius-full);
      margin-bottom: 10px;
    }

    .section-title {
      font-size: 30px;
      font-weight: 800;
      color: #1a1b1e;
      margin-bottom: 10px;
    }

    .section-subtitle {
      font-size: 15px;
      color: var(--text-muted);
      max-width: 640px;
      margin: 0 auto;
    }

    /* 平台介绍 */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      align-items: center;
    }

    .intro-content h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 16px;
      color: #2b2c34;
    }

    .intro-content p {
      color: var(--text-muted);
      font-size: 15px;
      margin-bottom: 20px;
      line-height: 1.7;
    }

    .intro-features {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .intro-feat-item {
      background: #ffffff;
      padding: 16px;
      border-radius: var(--radius-sm);
      border-left: 4px solid var(--candy-pink);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    }

    .intro-feat-item h4 {
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .intro-feat-item p {
      font-size: 13px;
      color: var(--text-muted);
      margin: 0;
    }

    .intro-media-card {
      background: linear-gradient(135deg, rgba(255, 94, 142, 0.08), rgba(132, 94, 247, 0.08));
      border: 1px solid rgba(132, 94, 247, 0.15);
      border-radius: var(--radius-lg);
      padding: 24px;
      text-align: center;
    }

    .intro-media-card img {
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-soft);
      width: 100%;
      height: auto;
      display: block;
    }

    /* 支持模型标签墙 */
    .model-tags-wrap {
      background: #ffffff;
      padding: 30px;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--border-candy);
      margin-top: 30px;
    }

    .model-tags-title {
      font-size: 15px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      text-align: center;
    }

    .tags-container {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }

    .candy-tag {
      padding: 6px 14px;
      background: #f8f9fa;
      border: 1px solid #e9ecef;
      border-radius: var(--radius-full);
      font-size: 12px;
      font-weight: 600;
      color: #495057;
      transition: all 0.2s ease;
    }

    .candy-tag:hover {
      background: var(--gradient-btn);
      color: #ffffff;
      border-color: transparent;
      transform: translateY(-2px);
    }

    /* 场景服务卡片 */
    .cards-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid rgba(132, 94, 247, 0.12);
      box-shadow: var(--shadow-soft);
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .card-icon-pill {
      display: inline-block;
      width: 44px;
      height: 44px;
      line-height: 44px;
      text-align: center;
      border-radius: 12px;
      background: rgba(132, 94, 247, 0.1);
      color: var(--candy-purple);
      font-weight: 900;
      font-size: 18px;
      margin-bottom: 16px;
    }

    .service-card h3 {
      font-size: 17px;
      font-weight: 800;
      margin-bottom: 8px;
      color: #2b2c34;
    }

    .service-card p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .card-action-link {
      font-size: 13px;
      font-weight: 700;
      color: var(--candy-pink);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 一站式制作工作流 */
    .workflow-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .wf-step-card {
      background: #ffffff;
      padding: 24px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-candy);
      box-shadow: var(--shadow-soft);
      position: relative;
    }

    .wf-badge {
      position: absolute;
      top: -12px;
      left: 20px;
      background: var(--gradient-btn);
      color: #fff;
      font-size: 12px;
      font-weight: 800;
      padding: 3px 10px;
      border-radius: var(--radius-full);
    }

    .wf-step-card h4 {
      font-size: 16px;
      font-weight: 800;
      margin: 10px 0 8px 0;
    }

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

    /* 对比评测板块 */
    .eval-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-soft);
      border: 1px solid rgba(255, 94, 142, 0.2);
    }

    .eval-score-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      padding-bottom: 24px;
      margin-bottom: 24px;
      border-bottom: 1px solid var(--border-candy);
    }

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

    .score-badge {
      font-size: 36px;
      font-weight: 900;
      color: var(--candy-pink);
      line-height: 1;
    }

    .stars-box {
      color: #fcc419;
      font-size: 20px;
      letter-spacing: 2px;
    }

    .eval-table-wrap {
      overflow-x: auto;
    }

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

    .eval-table th, .eval-table td {
      padding: 14px 18px;
      border-bottom: 1px solid #f1f3f5;
    }

    .eval-table th {
      background: #f8f9fa;
      color: var(--text-main);
      font-weight: 800;
    }

    .eval-table .highlight-col {
      background: rgba(132, 94, 247, 0.04);
      font-weight: 700;
      color: var(--candy-purple);
    }

    /* 案例中心 */
    .case-gallery-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .case-item {
      background: #ffffff;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--border-candy);
    }

    .case-img-container {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #e9ecef;
      overflow: hidden;
    }

    .case-img-container img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }

    .case-item:hover .case-img-container img {
      transform: scale(1.03);
    }

    .case-info {
      padding: 20px;
    }

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

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

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

    .review-card {
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--border-candy);
      position: relative;
    }

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

    .reviewer-avatar {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-full);
      background: var(--gradient-btn);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 15px;
    }

    .reviewer-name {
      font-weight: 800;
      font-size: 14px;
    }

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

    .review-text {
      font-size: 13.5px;
      color: #495057;
      line-height: 1.6;
    }

    /* FAQ 折叠面板 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-candy);
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0,0,0,0.02);
    }

    .faq-question {
      padding: 18px 24px;
      cursor: pointer;
      font-weight: 700;
      font-size: 15px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
      background: #fff;
    }

    .faq-question:hover {
      color: var(--candy-purple);
    }

    .faq-icon {
      font-size: 18px;
      font-weight: 400;
      transition: transform 0.25s ease;
      color: var(--candy-pink);
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      padding: 0 24px;
      background: #fcfcfd;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 16px 24px 20px 24px;
      border-top: 1px dashed #f1f3f5;
    }

    /* 表单与需求匹配 */
    .form-section-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-soft);
      border: 1px solid rgba(132, 94, 247, 0.15);
      max-width: 800px;
      margin: 0 auto;
    }

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

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

    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 16px;
      border: 1.5px solid var(--border-candy);
      border-radius: var(--radius-sm);
      font-size: 14px;
      outline: none;
      transition: border-color 0.2s ease;
      background: #fafafa;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--candy-purple);
      background: #fff;
    }

    .form-textarea {
      resize: vertical;
      min-height: 110px;
    }

    /* 行业资讯与最新文章 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .article-card {
      background: #ffffff;
      padding: 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-candy);
      box-shadow: var(--shadow-soft);
    }

    .article-date {
      font-size: 12px;
      color: var(--candy-pink);
      font-weight: 700;
      margin-bottom: 6px;
    }

    .article-title {
      font-size: 15px;
      font-weight: 800;
      margin-bottom: 8px;
      color: #2b2c34;
    }

    .article-snippet {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 加盟代理与联系我们 */
    .join-cta-card {
      background: linear-gradient(135deg, #ff5e8e 0%, #845ef7 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 45px 30px;
      text-align: center;
      margin-bottom: 40px;
    }

    .join-cta-card h3 {
      font-size: 28px;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .join-cta-card p {
      font-size: 16px;
      max-width: 680px;
      margin: 0 auto 24px auto;
      opacity: 0.95;
    }

    .join-cta-card .btn-candy-white {
      background: #ffffff;
      color: var(--candy-purple);
      font-weight: 800;
      padding: 12px 30px;
      border-radius: var(--radius-full);
      display: inline-block;
      box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    }

    .contact-info-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      text-align: center;
    }

    .contact-item-box {
      background: #ffffff;
      padding: 24px 16px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-candy);
      box-shadow: var(--shadow-soft);
    }

    .contact-item-box h4 {
      font-size: 15px;
      font-weight: 800;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .contact-item-box p {
      font-size: 13.5px;
      color: var(--text-muted);
      word-break: break-all;
    }

    .qr-container {
      margin-top: 10px;
      display: inline-block;
      width: 110px;
      height: 110px;
      padding: 4px;
      background: #fff;
      border: 1px solid var(--border-candy);
      border-radius: var(--radius-sm);
    }

    .qr-container img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    /* 宣传图画廊展示区 */
    .banner-strip-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 30px;
    }

    .banner-strip-item {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
    }

    .banner-strip-item img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* 友情链接与文章链接条 */
    .footer-links-box {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-candy);
      margin-top: 40px;
    }

    .footer-links-box h4 {
      font-size: 14px;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--text-main);
    }

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

    .links-flex a {
      font-size: 13px;
      color: var(--candy-purple);
      background: rgba(132, 94, 247, 0.06);
      padding: 4px 12px;
      border-radius: var(--radius-full);
    }

    .links-flex a:hover {
      background: var(--candy-purple);
      color: #ffffff;
    }

    /* 页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-candy);
      padding: 30px 0;
      margin-top: 50px;
      text-align: center;
      color: var(--text-muted);
      font-size: 13.5px;
    }

    .footer-text-strong {
      color: var(--text-main);
      font-weight: 700;
    }

    /* 浮动客服入口 */
    .float-kefu-btn {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 99;
      background: var(--gradient-btn);
      color: #fff;
      padding: 12px 20px;
      border-radius: var(--radius-full);
      box-shadow: 0 8px 24px rgba(255, 94, 142, 0.4);
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 700;
      cursor: pointer;
    }

    /* 响应式断点 */
    @media (max-width: 992px) {
      .hero-title { font-size: 32px; }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .cards-grid-3 { grid-template-columns: repeat(2, 1fr); }
      .workflow-timeline { grid-template-columns: repeat(2, 1fr); }
      .review-grid { grid-template-columns: repeat(2, 1fr); }
      .contact-info-grid { grid-template-columns: repeat(2, 1fr); }
      .banner-strip-grid { grid-template-columns: repeat(2, 1fr); }
      .intro-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
      .menu-toggle { display: block; }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px 0;
        box-shadow: 0 10px 20px rgba(0,0,0,0.08);
      }
      .nav-links.active { display: flex; }
      .nav-links li { width: 100%; text-align: center; }
      .nav-links li a { display: block; padding: 10px 0; }
      .hero-title { font-size: 26px; }
      .cards-grid-3 { grid-template-columns: 1fr; }
      .workflow-timeline { grid-template-columns: 1fr; }
      .review-grid { grid-template-columns: 1fr; }
      .case-gallery-grid { grid-template-columns: 1fr; }
      .articles-grid { grid-template-columns: 1fr; }
      .contact-form { grid-template-columns: 1fr; }
      .form-group-full { grid-column: span 1; }
      .contact-info-grid { grid-template-columns: 1fr; }
      .banner-strip-grid { grid-template-columns: 1fr; }
    }