:root {
      --c-bg: #f8fafc;
      --c-surface: #ffffff;
      --c-text-main: #1e293b;
      --c-text-sub: #475569;
      --c-text-muted: #64748b;
      --c-pink: #ff3366;
      --c-yellow: #ffc107;
      --c-cyan: #00d2d3;
      --c-purple: #7952b3;
      --c-blue: #2563eb;
      --c-green: #10b981;
      --c-dark: #0f172a;
      --border-funky: 2px solid #0f172a;
      --shadow-funky: 4px 4px 0px #0f172a;
      --shadow-funky-lg: 6px 6px 0px #0f172a;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
    }

    * {
      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(--c-bg);
      background-image: radial-gradient(#cbd5e1 1.2px, transparent 1.2px);
      background-size: 24px 24px;
      color: var(--c-text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(8px);
      border-bottom: var(--border-funky);
    }

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

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

    .brand-box .ai-page-logo {
      height: 38px;
      width: auto;
      display: block;
    }

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

    .nav-links a {
      font-weight: 700;
      font-size: 0.95rem;
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
    }

    .nav-links a:hover {
      background: var(--c-yellow);
      box-shadow: 2px 2px 0px var(--c-dark);
      transform: translate(-1px, -1px);
    }

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

    .btn-funky {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 20px;
      font-weight: 800;
      font-size: 0.95rem;
      border-radius: var(--radius-sm);
      border: var(--border-funky);
      box-shadow: var(--shadow-funky);
      cursor: pointer;
      transition: all 0.15s ease;
      background: var(--c-cyan);
      color: var(--c-dark);
      text-align: center;
    }

    .btn-funky:hover {
      transform: translate(-2px, -2px);
      box-shadow: var(--shadow-funky-lg);
    }

    .btn-funky:active {
      transform: translate(2px, 2px);
      box-shadow: 0px 0px 0px var(--c-dark);
    }

    .btn-funky.primary {
      background: var(--c-pink);
      color: #fff;
    }

    .btn-funky.yellow {
      background: var(--c-yellow);
      color: var(--c-dark);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: var(--border-funky);
      padding: 6px 10px;
      font-size: 1.2rem;
      border-radius: var(--radius-sm);
      cursor: pointer;
    }

    /* 模块通用样式 */
    section {
      padding: 70px 0;
      position: relative;
    }

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

    .badge-doodle {
      display: inline-block;
      padding: 4px 14px;
      font-weight: 800;
      font-size: 0.85rem;
      text-transform: uppercase;
      background: var(--c-yellow);
      border: var(--border-funky);
      box-shadow: 3px 3px 0px var(--c-dark);
      border-radius: 30px;
      margin-bottom: 16px;
      transform: rotate(-1.5deg);
    }

    .badge-doodle.pink { background: var(--c-pink); color: #fff; transform: rotate(1.5deg); }
    .badge-doodle.cyan { background: var(--c-cyan); }
    .badge-doodle.green { background: var(--c-green); color: #fff; }

    .section-title {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--c-dark);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

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

    /* 首屏 Hero */
    .hero-section {
      padding: 80px 0 60px 0;
      background: #ffffff;
      border-bottom: var(--border-funky);
      position: relative;
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }

    .hero-content h1 {
      font-size: 2.5rem;
      line-height: 1.25;
      font-weight: 900;
      color: var(--c-dark);
      margin-bottom: 20px;
    }

    .hero-content h1 span.highlight {
      background: linear-gradient(120deg, #ffc107 0%, #ffc107 100%);
      background-repeat: no-repeat;
      background-size: 100% 35%;
      background-position: 0 88%;
      padding: 0 4px;
    }

    .hero-p {
      font-size: 1.15rem;
      color: var(--c-text-sub);
      margin-bottom: 30px;
    }

    .hero-btn-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }

    .hero-stats-row {
      display: flex;
      gap: 24px;
      padding-top: 20px;
      border-top: 2px dashed #cbd5e1;
    }

    .stat-item {
      font-weight: 800;
    }

    .stat-num {
      font-size: 1.6rem;
      color: var(--c-pink);
    }

    .stat-label {
      font-size: 0.85rem;
      color: var(--c-text-muted);
    }

    .hero-visual-card {
      background: #fafafa;
      border: var(--border-funky);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-funky-lg);
      position: relative;
    }

    .console-header {
      display: flex;
      gap: 8px;
      margin-bottom: 20px;
      padding-bottom: 12px;
      border-bottom: 2px solid #e2e8f0;
    }

    .dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      border: 1.5px solid var(--c-dark);
    }
    .dot.r { background: var(--c-pink); }
    .dot.y { background: var(--c-yellow); }
    .dot.g { background: var(--c-green); }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 20px;
    }

    .model-tag {
      padding: 6px 12px;
      background: #fff;
      border: 1.5px solid var(--c-dark);
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 700;
      box-shadow: 2px 2px 0px var(--c-dark);
    }

    .model-tag.hot {
      background: var(--c-yellow);
    }

    .doodle-card-mini {
      background: var(--c-cyan);
      border: var(--border-funky);
      padding: 14px;
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      font-weight: 700;
      box-shadow: 3px 3px 0px var(--c-dark);
    }

    /* 关于与平台介绍 */
    .about-cards {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 24px;
    }

    .funky-card {
      background: var(--c-surface);
      border: var(--border-funky);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-funky);
      transition: all 0.2s ease;
      position: relative;
    }

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

    .card-icon-box {
      width: 52px;
      height: 52px;
      border: var(--border-funky);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1.3rem;
      margin-bottom: 20px;
      box-shadow: 3px 3px 0px var(--c-dark);
    }

    .card-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--c-dark);
      margin-bottom: 10px;
    }

    .card-desc {
      font-size: 0.95rem;
      color: var(--c-text-sub);
    }

    /* 服务能力卡片网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
      gap: 20px;
    }

    .service-pill {
      background: #fff;
      border: var(--border-funky);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: 3px 3px 0px var(--c-dark);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-tag {
      font-size: 0.75rem;
      font-weight: 800;
      padding: 2px 8px;
      border-radius: 4px;
      border: 1px solid var(--c-dark);
      display: inline-block;
      margin-bottom: 10px;
      align-self: flex-start;
      background: var(--c-yellow);
    }

    .service-pill h3 {
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 8px;
      color: var(--c-dark);
    }

    .service-pill p {
      font-size: 0.88rem;
      color: var(--c-text-sub);
    }

    /* 流程与步骤 */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
      gap: 20px;
      position: relative;
    }

    .step-item {
      background: #fff;
      border: var(--border-funky);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-funky);
      text-align: center;
    }

    .step-number {
      display: inline-block;
      width: 44px;
      height: 44px;
      line-height: 40px;
      background: var(--c-pink);
      color: #fff;
      font-size: 1.3rem;
      font-weight: 900;
      border: var(--border-funky);
      border-radius: 50%;
      margin-bottom: 14px;
      box-shadow: 2px 2px 0px var(--c-dark);
    }

    /* 案例图片展示区 */
    .media-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 24px;
    }

    .media-box {
      border: var(--border-funky);
      border-radius: var(--radius-md);
      overflow: hidden;
      background: #fff;
      box-shadow: var(--shadow-funky);
    }

    .media-box img {
      width: 100%;
      height: auto;
      display: block;
      border-bottom: var(--border-funky);
    }

    .media-meta {
      padding: 16px;
    }

    .media-meta h4 {
      font-weight: 800;
      font-size: 1.05rem;
      margin-bottom: 6px;
    }

    .media-meta p {
      font-size: 0.85rem;
      color: var(--c-text-muted);
    }

    /* 对比评测表格 */
    .compare-container {
      background: #fff;
      border: var(--border-funky);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-funky-lg);
    }

    .score-banner {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      background: var(--c-yellow);
      border: var(--border-funky);
      border-radius: var(--radius-md);
      padding: 20px 28px;
      margin-bottom: 30px;
      box-shadow: 4px 4px 0px var(--c-dark);
    }

    .score-highlight {
      display: flex;
      align-items: baseline;
      gap: 10px;
    }

    .score-big {
      font-size: 2.8rem;
      font-weight: 900;
      color: var(--c-pink);
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
    }

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

    .compare-table th, .compare-table td {
      padding: 16px;
      border-bottom: 2px solid #e2e8f0;
    }

    .compare-table th {
      background: #f1f5f9;
      font-weight: 800;
      font-size: 1rem;
      color: var(--c-dark);
      border-bottom: var(--border-funky);
    }

    .compare-table td.brand-col {
      background: #fefce8;
      font-weight: 700;
      color: #b45309;
    }

    /* 用户评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
      gap: 24px;
    }

    .review-card {
      background: #fff;
      border: var(--border-funky);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-funky);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 16px;
      padding-top: 14px;
      border-top: 2px dashed #cbd5e1;
    }

    .user-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--c-cyan);
      border: 2px solid var(--c-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
    }

    /* 需求匹配表单与联系 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
    }

    .form-card {
      background: #fff;
      border: var(--border-funky);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-funky-lg);
    }

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

    .form-label {
      display: block;
      font-weight: 800;
      font-size: 0.9rem;
      margin-bottom: 6px;
      color: var(--c-dark);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: var(--border-funky);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      background: #f8fafc;
      outline: none;
      transition: all 0.2s;
    }

    .form-control:focus {
      background: #fff;
      box-shadow: 3px 3px 0px var(--c-dark);
    }

    .contact-info-panel {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .qr-card {
      background: #fff;
      border: var(--border-funky);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-funky);
      text-align: center;
    }

    .qr-card img {
      max-width: 170px;
      height: auto;
      margin: 12px auto;
      display: block;
      border: 2px solid var(--c-dark);
      border-radius: var(--radius-sm);
    }

    /* FAQ 折叠面板 */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .faq-item {
      border: var(--border-funky);
      border-radius: var(--radius-md);
      background: #fff;
      box-shadow: 3px 3px 0px var(--c-dark);
      overflow: hidden;
    }

    .faq-header {
      padding: 18px 24px;
      font-weight: 800;
      font-size: 1.05rem;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #fff;
      transition: background 0.2s;
    }

    .faq-header:hover {
      background: #f8fafc;
    }

    .faq-arrow {
      font-size: 1.2rem;
      transition: transform 0.2s ease;
    }

    .faq-content {
      padding: 0 24px 18px 24px;
      color: var(--c-text-sub);
      font-size: 0.95rem;
      line-height: 1.6;
      display: none;
      border-top: 1px dashed #cbd5e1;
      padding-top: 14px;
    }

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

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

    /* 文章列表与外链区 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
    }

    .article-pill {
      background: #fff;
      border: var(--border-funky);
      border-radius: var(--radius-md);
      padding: 18px;
      box-shadow: 3px 3px 0px var(--c-dark);
      transition: all 0.2s;
    }

    .article-pill:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-funky);
    }

    .article-pill a {
      font-weight: 700;
      color: var(--c-dark);
      display: block;
    }

    /* 页脚 */
    .site-footer {
      background: #fff;
      border-top: var(--border-funky);
      padding: 60px 0 30px 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-links-group h4 {
      font-weight: 800;
      margin-bottom: 16px;
      font-size: 1.1rem;
    }

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

    .footer-links-group a {
      color: var(--c-text-sub);
      font-size: 0.9rem;
      font-weight: 600;
    }

    .footer-links-group a:hover {
      color: var(--c-pink);
    }

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

    .friend-links-wrap a {
      background: #f1f5f9;
      padding: 4px 10px;
      border: 1.5px solid var(--c-dark);
      border-radius: 4px;
      font-size: 0.85rem;
      font-weight: 700;
    }

    .footer-bottom {
      border-top: 2px dashed #cbd5e1;
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: var(--c-text-muted);
      font-weight: 600;
    }

    /* 浮动工具栏 */
    .floating-tools {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      background: var(--c-yellow);
      border: var(--border-funky);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1.1rem;
      box-shadow: 3px 3px 0px var(--c-dark);
      cursor: pointer;
      transition: all 0.2s;
    }

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

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-grid, .contact-wrapper, .media-grid, .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-content h1 {
        font-size: 2rem;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: var(--border-funky);
        flex-direction: column;
        padding: 20px;
      }
      .nav-links.active {
        display: flex;
      }
      .mobile-menu-btn {
        display: block;
      }
    }