/* 全局重置与基础变量 (亮紫绚烂风) */
    :root {
      --primary: #7928ca;
      --primary-dark: #581699;
      --primary-light: #9d4edd;
      --accent: #ff007a;
      --accent-glow: rgba(121, 40, 202, 0.15);
      --bg-main: #f8f6fd;
      --bg-white: #ffffff;
      --bg-card: #ffffff;
      --text-main: #19142b;
      --text-muted: #5c5577;
      --text-light: #8e85aa;
      --border-color: #ebdff7;
      --shadow-sm: 0 4px 12px rgba(121, 40, 202, 0.05);
      --shadow-md: 0 10px 30px rgba(121, 40, 202, 0.08);
      --shadow-lg: 0 20px 45px rgba(121, 40, 202, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

    * {
      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-main);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
    }

    /* 统一页面容器 */
    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 排版通用样式 */
    h1, h2, h3, h4, h5, h6 {
      color: var(--text-main);
      font-weight: 700;
      line-height: 1.35;
    }

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

    a:hover {
      color: var(--accent);
    }

    p {
      margin-bottom: 0.8rem;
    }

    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      font-size: 1rem;
      font-weight: 600;
      border-radius: var(--radius-md);
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--transition);
      text-align: center;
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, #a824e8 100%);
      color: #ffffff;
      box-shadow: 0 6px 20px rgba(121, 40, 202, 0.35);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
      color: #ffffff;
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(121, 40, 202, 0.45);
    }

    .btn-outline {
      background: #ffffff;
      border-color: var(--primary-light);
      color: var(--primary);
    }

    .btn-outline:hover {
      background: #f3e8ff;
      color: var(--primary-dark);
      transform: translateY(-2px);
    }

    .btn-accent {
      background: linear-gradient(135deg, #ff007a 0%, #7928ca 100%);
      color: #ffffff;
      box-shadow: 0 6px 20px rgba(255, 0, 122, 0.3);
    }

    .btn-accent:hover {
      opacity: 0.95;
      color: #ffffff;
      transform: translateY(-2px);
    }

    .btn-lg {
      padding: 16px 36px;
      font-size: 1.125rem;
      border-radius: 30px;
    }

    /* 徽标与装饰 */
    .badge {
      display: inline-block;
      padding: 4px 12px;
      font-size: 0.8rem;
      font-weight: 600;
      border-radius: 20px;
      background: #f1e4ff;
      color: var(--primary);
      margin-bottom: 12px;
      border: 1px solid #dfc7fb;
    }

    /* 板块结构 */
    section {
      padding: 80px 0;
      position: relative;
    }

    .section-title-wrap {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 50px auto;
    }

    .section-title {
      font-size: 2.25rem;
      margin-bottom: 14px;
      background: linear-gradient(135deg, #19142b 20%, var(--primary) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(235, 223, 247, 0.8);
      box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    }

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

    .logo-box {
      display: flex;
      align-items: center;
      gap: 10px;
    }

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

    .logo-text {
      font-size: 1.35rem;
      font-weight: 800;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }

    /* 导航链接严格遵循要求的 gap:0 属性 */
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
    }

    .nav-links li a {
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-main);
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover {
      color: var(--primary);
      background: #f7efff;
    }

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

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

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

    /* 首屏 HERO (无图片要求) */
    .hero-section {
      padding: 100px 0 80px 0;
      background: radial-gradient(circle at 80% 20%, rgba(255, 0, 122, 0.08) 0%, transparent 40%),
                  radial-gradient(circle at 10% 80%, rgba(121, 40, 202, 0.12) 0%, transparent 45%),
                  linear-gradient(180deg, #ffffff 0%, var(--bg-main) 100%);
      text-align: center;
      position: relative;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: #ffffff;
      border: 1px solid #e2d2f7;
      padding: 6px 18px;
      border-radius: 30px;
      font-size: 0.9rem;
      color: var(--primary);
      box-shadow: 0 4px 15px rgba(121, 40, 202, 0.08);
      margin-bottom: 24px;
      font-weight: 600;
    }

    .hero-title {
      font-size: 2.8rem;
      font-weight: 900;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
      color: #1a1033;
    }

    .hero-title span {
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.2rem;
      color: var(--text-muted);
      max-width: 820px;
      margin: 0 auto 36px auto;
      line-height: 1.7;
    }

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

    .hero-stats-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background: #ffffff;
      border: 1px solid #ebdff7;
      border-radius: var(--radius-lg);
      padding: 24px 30px;
      box-shadow: var(--shadow-md);
      max-width: 1000px;
      margin: 0 auto;
    }

    .stat-item {
      text-align: center;
      border-right: 1px solid #f0e6fa;
    }

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

    .stat-val {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
    }

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

    /* 关于我们 / 平台介绍 */
    .about-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }

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

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

    .feature-point-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      background: #fbf9fe;
      padding: 14px;
      border-radius: var(--radius-md);
      border: 1px solid #f1e8fa;
    }

    .point-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--primary);
      margin-top: 6px;
      flex-shrink: 0;
    }

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

    .point-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-top: 2px;
      margin-bottom: 0;
    }

    /* 场景与核心服务网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
      box-shadow: var(--shadow-sm);
    }

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

    .service-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: linear-gradient(135deg, #f5ebff 0%, #ffe9f4 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 1.3rem;
      font-weight: bold;
      margin-bottom: 16px;
    }

    .service-name {
      font-size: 1.15rem;
      margin-bottom: 8px;
      color: #19142b;
    }

    .service-detail {
      font-size: 0.9rem;
      color: var(--text-muted);
      flex-grow: 1;
      margin-bottom: 14px;
    }

    .service-tag {
      font-size: 0.75rem;
      color: var(--primary);
      background: #f7efff;
      padding: 3px 8px;
      border-radius: 4px;
      align-self: flex-start;
      font-weight: 600;
    }

    /* 一站式制作工作流 */
    .workflow-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .workflow-step {
      font-size: 0.85rem;
      font-weight: 800;
      color: var(--accent);
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    /* 行业方案与对比评测 */
    .eval-container {
      background: linear-gradient(135deg, #ffffff 0%, #fbf8ff 100%);
      border: 2px solid #e1cef7;
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .eval-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid #ebdff7;
      padding-bottom: 24px;
      margin-bottom: 30px;
      flex-wrap: wrap;
      gap: 20px;
    }

    .score-badge {
      display: flex;
      align-items: center;
      gap: 14px;
      background: #ffffff;
      padding: 12px 24px;
      border-radius: 30px;
      border: 1px solid #ebdff7;
      box-shadow: var(--shadow-sm);
    }

    .score-val {
      font-size: 2rem;
      font-weight: 900;
      color: var(--primary);
    }

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

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

    .eval-table th, .eval-table td {
      padding: 16px 18px;
      border-bottom: 1px solid #ebdff7;
      font-size: 0.95rem;
    }

    .eval-table th {
      background: #f7f0fe;
      color: var(--text-main);
      font-weight: 700;
    }

    .eval-table tr:hover td {
      background: #faf5ff;
    }

    .text-highlight {
      color: var(--primary);
      font-weight: 700;
    }

    /* 案例展示区 */
    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      margin-bottom: 30px;
    }

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

    .gallery-card img {
      width: 100%;
      height: 240px;
      object-fit: cover;
      display: block;
      transition: var(--transition);
    }

    .gallery-card:hover img {
      transform: scale(1.02);
    }

    .gallery-info {
      padding: 20px;
    }

    .banner-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .banner-strip img.ai-page-image {
      width: 100%;
      height: 120px;
      object-fit: cover;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
    }

    /* 标签云与AI百科支持模型 */
    .model-tags-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 20px;
    }

    .model-tag {
      background: #ffffff;
      border: 1px solid #ebdff7;
      padding: 8px 16px;
      border-radius: 20px;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    /* 用户评论 */
    .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: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-text {
      font-size: 0.95rem;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.6;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f4ecfb;
      padding-top: 14px;
    }

    .author-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 1rem;
    }

    .author-name {
      font-weight: 700;
      font-size: 0.95rem;
    }

    .author-title {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 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;
      transition: var(--transition);
    }

    .faq-question {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-question:hover {
      background: #faf6fe;
      color: var(--primary);
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
      background: #fdfcff;
      border-top: 1px solid transparent;
    }

    .faq-item.active .faq-answer {
      border-top-color: #f1e8fa;
    }

    .faq-answer-inner {
      padding: 18px 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

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

    /* 需求匹配与表单 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #d9caec;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      background: #faf8fd;
      color: var(--text-main);
      transition: var(--transition);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(121, 40, 202, 0.12);
    }

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

    .qrcode-box {
      text-align: center;
      background: #fbf8ff;
      border: 1px solid #ebdff7;
      border-radius: var(--radius-md);
      padding: 24px;
      margin-top: 20px;
    }

    .qrcode-box img {
      max-width: 160px;
      height: auto;
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-sm);
      margin-bottom: 12px;
    }

    /* 资讯与友情链接 */
    .news-list-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-bottom: 40px;
    }

    .news-links-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 14px;
    }

    .news-link-btn {
      display: inline-block;
      padding: 6px 14px;
      background: #f4ecfb;
      border-radius: 4px;
      font-size: 0.88rem;
      color: var(--primary-dark);
    }

    .news-link-btn:hover {
      background: var(--primary);
      color: #ffffff;
    }

    /* 底部通用规范 */
    .site-footer {
      background: #151124;
      color: #d8d3e8;
      padding: 60px 0 30px 0;
      border-top: 3px solid var(--primary);
    }

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

    .footer-brand h4 {
      color: #ffffff;
      font-size: 1.3rem;
      margin-bottom: 12px;
    }

    .footer-col h5 {
      color: #ffffff;
      font-size: 1.05rem;
      margin-bottom: 18px;
    }

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

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

    .footer-col ul li a {
      color: #b7b0cd;
      font-size: 0.9rem;
    }

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

    .friendly-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 10px;
    }

    .friendly-links a {
      color: #a298be;
      font-size: 0.85rem;
      background: rgba(255, 255, 255, 0.06);
      padding: 4px 10px;
      border-radius: 4px;
    }

    .friendly-links a:hover {
      color: #ffffff;
      background: var(--primary);
    }

    .footer-bottom {
      text-align: center;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      font-size: 0.85rem;
      color: #8c83a8;
    }

    /* 浮动客服挂件 */
    .floating-kefu {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      color: #ffffff;
      width: 56px;
      height: 56px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 25px rgba(121, 40, 202, 0.4);
      cursor: pointer;
      transition: var(--transition);
    }

    .floating-kefu:hover {
      transform: scale(1.08);
    }

    .floating-kefu span {
      font-size: 0.8rem;
      font-weight: 700;
      text-align: center;
      line-height: 1.1;
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-title { font-size: 2.2rem; }
      .about-grid, .contact-wrapper { grid-template-columns: 1fr; }
      .workflow-grid, .reviews-grid { grid-template-columns: 1fr; }
      .gallery-grid { grid-template-columns: 1fr; }
      .banner-strip { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .hero-stats-bar { grid-template-columns: repeat(2, 1fr); }
      .stat-item:nth-child(2) { border-right: none; }
    }

    @media (max-width: 768px) {
      .site-header { height: auto; }
      .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background: #ffffff;
        position: absolute;
        top: 72px;
        left: 0;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
        padding: 16px 20px;
      }
      .nav-links.active { display: flex; }
      .mobile-menu-toggle { display: block; }
      .hero-stats-bar { grid-template-columns: 1fr; }
      .stat-item { border-right: none; border-bottom: 1px solid #f0e6fa; padding-bottom: 12px; }
      .stat-item:last-child { border-bottom: none; }
      .footer-grid { grid-template-columns: 1fr; }
      .hero-actions { flex-direction: column; width: 100%; }
      .hero-actions .btn { width: 100%; }
    }