:root {
      --bg-base: #faf8f5;
      --bg-card: #ffffff;
      --text-main: #1e1e24;
      --text-muted: #5c5f66;
      --brand-yellow: #ffd23f;
      --brand-blue: #3a86ff;
      --brand-pink: #ff006e;
      --brand-green: #06d6a0;
      --brand-purple: #8338ec;
      --border-ink: #1e1e24;
      --shadow-pop: 4px 4px 0px var(--border-ink);
      --shadow-pop-lg: 6px 6px 0px var(--border-ink);
      --shadow-pop-sm: 2px 2px 0px var(--border-ink);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --max-w: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      background-color: var(--bg-base);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
      background-image: radial-gradient(var(--border-ink) 0.75px, transparent 0.75px);
      background-size: 24px 24px;
    }

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

    .container {
      width: 100%;
      max-width: var(--max-w);
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 涂鸦风格装饰组件 */
    .doodle-badge {
      display: inline-block;
      padding: 6px 14px;
      background-color: var(--brand-yellow);
      border: 2px solid var(--border-ink);
      border-radius: 999px;
      font-weight: 700;
      font-size: 0.85rem;
      box-shadow: var(--shadow-pop-sm);
      transform: rotate(-1.5deg);
      margin-bottom: 12px;
    }

    .doodle-badge.blue {
      background-color: var(--brand-blue);
      color: #fff;
    }

    .doodle-badge.pink {
      background-color: var(--brand-pink);
      color: #fff;
    }

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

    .section-title-wrap h2 {
      font-size: 2rem;
      font-weight: 900;
      letter-spacing: -0.5px;
      position: relative;
      display: inline-block;
    }

    .section-title-wrap h2::after {
      content: "";
      position: absolute;
      bottom: -6px;
      left: 10%;
      width: 80%;
      height: 6px;
      background: var(--brand-yellow);
      border-radius: 4px;
      z-index: -1;
      transform: rotate(-0.5deg);
    }

    .section-title-wrap p {
      color: var(--text-muted);
      margin-top: 10px;
      font-size: 1rem;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      padding: 12px 24px;
      border: 2px solid var(--border-ink);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-pop);
      transition: transform 0.15s ease, box-shadow 0.15s ease;
      cursor: pointer;
      text-align: center;
    }

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

    .btn:active {
      transform: translate(2px, 2px);
      box-shadow: none;
    }

    .btn-primary {
      background-color: var(--brand-yellow);
      color: var(--text-main);
    }

    .btn-pink {
      background-color: var(--brand-pink);
      color: #ffffff;
    }

    .btn-blue {
      background-color: var(--brand-blue);
      color: #ffffff;
    }

    .btn-outline {
      background-color: #ffffff;
      color: var(--text-main);
    }

    /* 导航栏 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(250, 248, 245, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 2px solid var(--border-ink);
      padding: 14px 0;
    }

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

    .logo-link {
      display: flex;
      align-items: center;
      gap: 10px;
      max-width: 140px;
    }

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

    .nav-links a {
      padding: 6px 12px;
      font-size: 0.92rem;
      font-weight: 700;
      border-radius: var(--radius-sm);
      transition: background 0.2s;
    }

    .nav-links a:hover {
      background: var(--brand-yellow);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: 2px solid var(--border-ink);
      padding: 6px 10px;
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-pop-sm);
      cursor: pointer;
      font-weight: bold;
    }

    /* 首屏 Hero (严禁图片) */
    .hero-section {
      padding: 60px 0 50px;
      position: relative;
    }

    .hero-box {
      background: #ffffff;
      border: 3px solid var(--border-ink);
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      box-shadow: var(--shadow-pop-lg);
      position: relative;
    }

    .hero-title {
      font-size: 2.5rem;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      color: var(--text-main);
    }

    .hero-title .highlight {
      background: linear-gradient(120deg, var(--brand-yellow) 0%, var(--brand-pink) 100%);
      padding: 2px 10px;
      border-radius: 6px;
      border: 2px solid var(--border-ink);
      display: inline-block;
      transform: rotate(-1deg);
      color: #fff;
      text-shadow: 1px 1px 0 #000;
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 800px;
      margin-bottom: 30px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
      margin-bottom: 36px;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      border-top: 2px dashed var(--border-ink);
      padding-top: 30px;
    }

    .stat-card {
      background: var(--bg-base);
      border: 2px solid var(--border-ink);
      border-radius: var(--radius-md);
      padding: 16px;
      text-align: center;
      box-shadow: var(--shadow-pop-sm);
    }

    .stat-card .num {
      font-size: 1.6rem;
      font-weight: 900;
      color: var(--brand-purple);
    }

    .stat-card .label {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-muted);
      margin-top: 4px;
    }

    /* 通用Section */
    .section-spacing {
      padding: 60px 0;
    }

    /* 平台介绍 */
    .about-card {
      background: #fff;
      border: 2px solid var(--border-ink);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-pop);
      margin-bottom: 30px;
    }

    .about-features {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 24px;
    }

    .about-item {
      background: var(--bg-base);
      border: 2px solid var(--border-ink);
      border-radius: var(--radius-md);
      padding: 18px;
    }

    .about-item h3 {
      font-size: 1.1rem;
      margin-bottom: 8px;
      color: var(--text-main);
    }

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

    /* 核心服务网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 2px solid var(--border-ink);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-pop);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

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

    .service-badge {
      display: inline-block;
      background: var(--brand-green);
      font-size: 0.75rem;
      font-weight: 800;
      padding: 3px 8px;
      border-radius: 4px;
      border: 1.5px solid var(--border-ink);
      margin-bottom: 12px;
      width: fit-content;
    }

    .service-card h3 {
      font-size: 1.15rem;
      margin-bottom: 10px;
    }

    .service-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 聚合模型展台 */
    .model-tags-box {
      background: #fff;
      border: 2px solid var(--border-ink);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-pop);
      text-align: center;
    }

    .model-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 16px;
    }

    .model-tag {
      background: var(--bg-base);
      border: 1.5px solid var(--border-ink);
      padding: 6px 14px;
      border-radius: 999px;
      font-size: 0.85rem;
      font-weight: 700;
      box-shadow: var(--shadow-pop-sm);
    }

    /* 流程步骤 */
    .workflow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .step-card {
      background: #fff;
      border: 2px solid var(--border-ink);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
      box-shadow: var(--shadow-pop);
    }

    .step-index {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--brand-yellow);
      -webkit-text-stroke: 1px var(--border-ink);
      margin-bottom: 8px;
    }

    .step-card h3 {
      font-size: 1.05rem;
      margin-bottom: 8px;
    }

    .step-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 素材案例展示区 */
    .media-showcase-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .media-item {
      background: #fff;
      border: 2px solid var(--border-ink);
      border-radius: var(--radius-md);
      padding: 16px;
      box-shadow: var(--shadow-pop);
    }

    .media-thumb-box {
      width: 100%;
      border: 2px solid var(--border-ink);
      border-radius: var(--radius-sm);
      overflow: hidden;
      margin-bottom: 12px;
      background: #eee;
    }

    .media-thumb-box img {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
    }

    .media-item h3 {
      font-size: 1rem;
      margin-bottom: 4px;
    }

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

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

    .banner-box {
      border: 2px solid var(--border-ink);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-pop);
      background: #fff;
    }

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

    /* 对比评测专区 */
    .compare-section-box {
      background: #fff;
      border: 2px solid var(--border-ink);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-pop-lg);
    }

    .rating-banner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: var(--brand-yellow);
      border: 2px solid var(--border-ink);
      border-radius: var(--radius-md);
      padding: 18px 24px;
      margin-bottom: 30px;
      box-shadow: var(--shadow-pop);
    }

    .rating-banner .score-num {
      font-size: 2rem;
      font-weight: 900;
    }

    .table-responsive {
      overflow-x: auto;
    }

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

    .compare-table th, .compare-table td {
      border: 2px solid var(--border-ink);
      padding: 14px 18px;
      font-size: 0.95rem;
    }

    .compare-table th {
      background: var(--bg-base);
      font-weight: 800;
    }

    .compare-table .highlight-col {
      background: rgba(255, 210, 63, 0.25);
      font-weight: 700;
    }

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

    .review-card {
      background: #fff;
      border: 2px solid var(--border-ink);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-pop);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-text {
      font-size: 0.92rem;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.6;
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1.5px dashed var(--border-ink);
      padding-top: 12px;
    }

    .user-avatar-tag {
      width: 40px;
      height: 40px;
      background: var(--brand-blue);
      color: #fff;
      font-weight: 900;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 2px solid var(--border-ink);
      border-radius: 50%;
    }

    .user-info h4 {
      font-size: 0.95rem;
    }

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

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

    .faq-item {
      background: #fff;
      border: 2px solid var(--border-ink);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-pop-sm);
      overflow: hidden;
    }

    .faq-question {
      padding: 16px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      font-weight: 800;
      font-size: 1rem;
      user-select: none;
    }

    .faq-question:hover {
      background: var(--bg-base);
    }

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

    .faq-answer {
      display: none;
      padding: 0 20px 16px;
      color: var(--text-muted);
      font-size: 0.92rem;
      border-top: 1px dashed var(--border-ink);
      padding-top: 12px;
    }

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

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

    /* 需求匹配与联系表单 */
    .contact-form-box {
      background: #fff;
      border: 2px solid var(--border-ink);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-pop-lg);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }

    .contact-info-wrap {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .form-group {
      margin-bottom: 16px;
    }

    .form-group label {
      display: block;
      font-size: 0.85rem;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 10px 14px;
      border: 2px solid var(--border-ink);
      border-radius: var(--radius-sm);
      font-family: inherit;
      font-size: 0.95rem;
      background: var(--bg-base);
    }

    .form-control:focus {
      outline: none;
      background: #fff;
      border-color: var(--brand-blue);
    }

    /* 加盟代理模块 */
    .agent-promo-card {
      background: linear-gradient(135deg, #fff 0%, #fff7d6 100%);
      border: 2px solid var(--border-ink);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-pop);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
    }

    /* 文章专区 */
    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 14px;
      margin-top: 20px;
    }

    .article-item-card {
      background: #fff;
      border: 2px solid var(--border-ink);
      border-radius: var(--radius-sm);
      padding: 14px;
      box-shadow: var(--shadow-pop-sm);
      font-size: 0.85rem;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      transition: transform 0.15s;
    }

    .article-item-card:hover {
      transform: translateY(-2px);
      background: var(--brand-yellow);
    }

    /* 页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 3px solid var(--border-ink);
      padding: 40px 0 20px;
      margin-top: 60px;
    }

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

    .footer-brand p {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-top: 10px;
      max-width: 320px;
    }

    .footer-links-title {
      font-size: 0.95rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

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

    .footer-links-list a {
      font-size: 0.85rem;
      color: var(--text-muted);
      transition: color 0.15s;
    }

    .footer-links-list a:hover {
      color: var(--brand-blue);
      text-decoration: underline;
    }

    .footer-bottom-bar {
      border-top: 1.5px dashed var(--border-ink);
      padding-top: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.8rem;
      color: var(--text-muted);
      flex-wrap: wrap;
      gap: 10px;
    }

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

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

    .float-btn {
      width: 48px;
      height: 48px;
      background: var(--brand-yellow);
      border: 2px solid var(--border-ink);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      box-shadow: var(--shadow-pop);
      cursor: pointer;
      position: relative;
    }

    .float-qr-pop {
      display: none;
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #fff;
      border: 2px solid var(--border-ink);
      padding: 12px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-pop);
      text-align: center;
      width: 140px;
    }

    .float-qr-pop img {
      width: 100%;
      height: auto;
      display: block;
    }

    .float-btn:hover .float-qr-pop {
      display: block;
    }

    /* 响应式断点 */
    @media (max-width: 992px) {
      .services-grid, .about-features, .media-showcase-grid, .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .workflow-steps, .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .banner-gallery {
        grid-template-columns: 1fr;
      }
      .article-links-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-form-box {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        border-bottom: 2px solid var(--border-ink);
        box-shadow: var(--shadow-pop);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links a {
        display: block;
        padding: 10px 0;
      }
      .hero-title {
        font-size: 1.8rem;
      }
      .services-grid, .about-features, .media-showcase-grid, .testimonials-grid, .workflow-steps, .hero-stats-grid {
        grid-template-columns: 1fr;
      }
      .agent-promo-card {
        flex-direction: column;
        text-align: center;
      }
      .rating-banner {
        flex-direction: column;
        text-align: center;
        gap: 10px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }