:root {
      --bg-cream: #FFFDF8;
      --bg-subtle: #F6F4EB;
      --card-bg: #FFFFFF;
      --ink-dark: #1F2421;
      --ink-sub: #4A504B;
      --ink-light: #707973;
      --graffiti-yellow: #FFE600;
      --graffiti-pink: #FF3366;
      --graffiti-cyan: #00E5FF;
      --graffiti-purple: #7928CA;
      --graffiti-orange: #FF6B35;
      --graffiti-green: #00F0A8;
      --graffiti-blue: #2563EB;
      --border-dark: #1F2421;
      --shadow-solid: 4px 4px 0px #1F2421;
      --shadow-solid-lg: 7px 7px 0px #1F2421;
      --shadow-hover: 2px 2px 0px #1F2421;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --max-width: 1240px;
    }

    * {
      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-cream);
      color: var(--ink-dark);
      line-height: 1.6;
      background-image: radial-gradient(var(--bg-subtle) 18%, transparent 18%);
      background-size: 24px 24px;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.2s ease;
    }

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

    /* 顶部导航 */
    header.site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 253, 248, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 3px solid var(--border-dark);
      padding: 12px 0;
    }

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

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

    .brand-group .logo-box {
      height: 44px;
      max-width: 150px;
      display: flex;
      align-items: center;
    }

    .brand-tagline {
      font-size: 13px;
      font-weight: 800;
      background: var(--graffiti-yellow);
      padding: 3px 8px;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-sm);
      box-shadow: 2px 2px 0 var(--border-dark);
    }

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

    .nav-links li a {
      font-size: 14px;
      font-weight: 700;
      padding: 6px 12px;
      border-radius: var(--radius-sm);
      display: block;
    }

    .nav-links li a:hover {
      background: var(--graffiti-cyan);
      color: var(--ink-dark);
    }

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

    .btn-main {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      padding: 10px 22px;
      border-radius: var(--radius-md);
      border: 2px solid var(--border-dark);
      background: var(--graffiti-yellow);
      color: var(--ink-dark);
      box-shadow: var(--shadow-solid);
      cursor: pointer;
      text-transform: uppercase;
      font-size: 15px;
      position: relative;
      transition: all 0.15s ease;
    }

    .btn-main:hover {
      transform: translate(2px, 2px);
      box-shadow: var(--shadow-hover);
      background: #FFE81A;
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      padding: 10px 20px;
      border-radius: var(--radius-md);
      border: 2px solid var(--border-dark);
      background: #FFFFFF;
      color: var(--ink-dark);
      box-shadow: var(--shadow-solid);
      cursor: pointer;
      font-size: 15px;
      transition: all 0.15s ease;
    }

    .btn-secondary:hover {
      background: var(--graffiti-pink);
      color: #FFFFFF;
      transform: translate(2px, 2px);
      box-shadow: var(--shadow-hover);
    }

    .mobile-toggle {
      display: none;
      background: none;
      border: 2px solid var(--border-dark);
      padding: 6px 10px;
      border-radius: var(--radius-sm);
      font-weight: 900;
      cursor: pointer;
    }

    /* 首屏纯文字与涂鸦构图（严格无图） */
    .hero-section {
      padding: 60px 0 40px;
      position: relative;
    }

    .hero-wrap {
      border: 3px solid var(--border-dark);
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      box-shadow: var(--shadow-solid-lg);
      position: relative;
      overflow: hidden;
    }

    .hero-badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 24px;
    }

    .doodle-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 800;
      padding: 4px 12px;
      border: 2px solid var(--border-dark);
      border-radius: 999px;
      box-shadow: 2px 2px 0 var(--border-dark);
    }

    .badge-yellow { background: var(--graffiti-yellow); }
    .badge-pink { background: #FFD1DC; }
    .badge-cyan { background: var(--graffiti-cyan); }
    .badge-green { background: var(--graffiti-green); }

    h1.hero-title {
      font-size: clamp(28px, 4.2vw, 44px);
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 18px;
      color: var(--ink-dark);
      letter-spacing: -0.5px;
    }

    .hero-subtitle {
      font-size: clamp(16px, 1.8vw, 19px);
      color: var(--ink-sub);
      max-width: 820px;
      margin-bottom: 32px;
      font-weight: 500;
    }

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

    .hero-btn-official {
      background: var(--graffiti-pink);
      color: #FFFFFF;
      font-size: 17px;
      padding: 13px 28px;
      border: 3px solid var(--border-dark);
      box-shadow: 5px 5px 0 var(--border-dark);
    }

    .hero-btn-official:hover {
      background: #E60045;
      color: #FFF;
      transform: translate(2px, 2px);
      box-shadow: 3px 3px 0 var(--border-dark);
    }

    .model-pills-container {
      border-top: 2px dashed var(--border-dark);
      padding-top: 24px;
    }

    .model-pills-title {
      font-size: 13px;
      font-weight: 800;
      text-transform: uppercase;
      color: var(--ink-light);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .model-tags-flow {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .model-pill {
      font-size: 12px;
      font-weight: 700;
      padding: 4px 10px;
      background: var(--bg-subtle);
      border: 1.5px solid var(--border-dark);
      border-radius: 6px;
    }

    /* 模块通用框架 */
    section.page-section {
      padding: 50px 0;
    }

    .section-header {
      margin-bottom: 36px;
      text-align: center;
    }

    .section-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 800;
      text-transform: uppercase;
      padding: 3px 12px;
      background: var(--graffiti-yellow);
      border: 2px solid var(--border-dark);
      border-radius: 20px;
      box-shadow: 2px 2px 0 var(--border-dark);
      margin-bottom: 8px;
    }

    .section-title {
      font-size: clamp(24px, 3vw, 32px);
      font-weight: 900;
      color: var(--ink-dark);
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 15px;
      color: var(--ink-sub);
      max-width: 680px;
      margin: 8px auto 0;
    }

    /* 数据卡片 */
    .metric-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 20px;
      margin-bottom: 20px;
    }

    .metric-card {
      background: #FFFFFF;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-solid);
      position: relative;
    }

    .metric-num {
      font-size: 36px;
      font-weight: 900;
      line-height: 1;
      margin-bottom: 6px;
      display: block;
    }

    .metric-label {
      font-size: 14px;
      font-weight: 700;
      color: var(--ink-sub);
    }

    /* 卡片网格 */
    .cards-grid-3 {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 24px;
    }

    .cards-grid-4 {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 20px;
    }

    .doodle-card {
      background: #FFFFFF;
      border: 2.5px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-solid);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

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

    .card-icon-badge {
      width: 44px;
      height: 44px;
      border: 2px solid var(--border-dark);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 18px;
      margin-bottom: 16px;
      box-shadow: 2px 2px 0 var(--border-dark);
    }

    .card-title {
      font-size: 19px;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .card-body {
      font-size: 14px;
      color: var(--ink-sub);
      line-height: 1.6;
      flex-grow: 1;
    }

    .card-footer {
      margin-top: 16px;
      padding-top: 12px;
      border-top: 1.5px dashed var(--border-dark);
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 13px;
      font-weight: 700;
    }

    /* 对比评测精工板块 */
    .eval-highlight-box {
      background: #FFFFFF;
      border: 3px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-solid-lg);
      margin-bottom: 30px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .eval-score-ring {
      display: flex;
      align-items: center;
      gap: 18px;
    }

    .score-badge {
      background: var(--graffiti-yellow);
      border: 3px solid var(--border-dark);
      width: 90px;
      height: 90px;
      border-radius: 50%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 3px 3px 0 var(--border-dark);
    }

    .score-badge .score-val {
      font-size: 32px;
      font-weight: 900;
      line-height: 1;
    }

    .score-badge .score-max {
      font-size: 12px;
      font-weight: 800;
    }

    .eval-stars {
      font-size: 24px;
      color: #E68A00;
      letter-spacing: 2px;
    }

    .eval-score-text h3 {
      font-size: 22px;
      font-weight: 900;
      margin-bottom: 4px;
    }

    .eval-score-text p {
      font-size: 14px;
      color: var(--ink-sub);
    }

    .table-wrapper {
      overflow-x: auto;
      border: 3px solid var(--border-dark);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-solid);
      background: #FFFFFF;
    }

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

    .custom-table th, .custom-table td {
      padding: 16px 20px;
      border-bottom: 1.5px solid var(--border-dark);
      vertical-align: middle;
    }

    .custom-table th {
      background: var(--bg-subtle);
      font-weight: 900;
      color: var(--ink-dark);
      border-bottom: 2.5px solid var(--border-dark);
    }

    .custom-table tr:last-child td {
      border-bottom: none;
    }

    .custom-table tr:hover td {
      background: #FFFDF0;
    }

    .table-tag {
      display: inline-block;
      padding: 2px 8px;
      border-radius: 6px;
      font-size: 12px;
      font-weight: 800;
      border: 1px solid var(--border-dark);
    }

    /* 流程步骤 */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 16px;
    }

    .step-card {
      background: #FFFFFF;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-solid);
      position: relative;
    }

    .step-num {
      display: inline-block;
      font-size: 13px;
      font-weight: 900;
      padding: 2px 10px;
      background: var(--graffiti-yellow);
      border: 1.5px solid var(--border-dark);
      border-radius: 20px;
      margin-bottom: 12px;
    }

    .step-title {
      font-size: 17px;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 13px;
      color: var(--ink-sub);
    }

    /* 真实图片展示区 */
    .image-showcase-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 24px;
      margin-top: 24px;
    }

    .image-card {
      background: #FFFFFF;
      border: 2.5px solid var(--border-dark);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-solid);
    }

    .image-box {
      width: 100%;
      background: var(--bg-subtle);
      border-bottom: 2px solid var(--border-dark);
      overflow: hidden;
    }

    .image-box img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.3s ease;
    }

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

    .image-meta {
      padding: 16px;
    }

    .image-title {
      font-size: 16px;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .image-desc {
      font-size: 13px;
      color: var(--ink-sub);
    }

    /* 用户评论 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 20px;
    }

    .review-card {
      background: #FFFFFF;
      border: 2.5px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-solid);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-text {
      font-size: 14px;
      color: var(--ink-dark);
      margin-bottom: 16px;
      font-style: italic;
    }

    .reviewer-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1.5px dashed var(--border-dark);
      padding-top: 12px;
    }

    .reviewer-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      border: 2px solid var(--border-dark);
      background: var(--graffiti-yellow);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 14px;
    }

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

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

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

    .faq-item {
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-md);
      background: #FFFFFF;
      box-shadow: var(--shadow-solid);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      padding: 18px 24px;
      background: none;
      border: none;
      text-align: left;
      font-size: 16px;
      font-weight: 800;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: var(--ink-dark);
    }

    .faq-icon {
      font-size: 20px;
      font-weight: 900;
      transition: transform 0.2s ease;
    }

    .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;
      background: var(--bg-subtle);
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 18px 24px;
      border-top: 1.5px dashed var(--border-dark);
    }

    .faq-answer p {
      font-size: 14px;
      color: var(--ink-sub);
      line-height: 1.7;
    }

    /* 表单与需求匹配 */
    .match-form-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      background: #FFFFFF;
      border: 3px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-solid-lg);
    }

    .form-info h3 {
      font-size: 26px;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .form-info p {
      font-size: 15px;
      color: var(--ink-sub);
      margin-bottom: 24px;
    }

    .contact-fast-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      font-size: 14px;
      font-weight: 700;
    }

    .contact-fast-list li {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .form-inner {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

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

    .form-label {
      font-size: 13px;
      font-weight: 800;
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 14px;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-family: inherit;
      background: #FFFFFF;
      outline: none;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--graffiti-blue);
      box-shadow: 2px 2px 0 var(--border-dark);
    }

    /* 资讯与最新文章 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 18px;
      margin-bottom: 24px;
    }

    .article-item {
      background: #FFFFFF;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 18px;
      box-shadow: var(--shadow-solid);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .article-item h4 {
      font-size: 15px;
      font-weight: 800;
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .article-link {
      font-size: 13px;
      font-weight: 800;
      color: var(--graffiti-blue);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .article-link:hover {
      text-decoration: underline;
    }

    /* 客服与二维码展示 */
    .kefu-showcase-box {
      background: var(--bg-subtle);
      border: 2px dashed var(--border-dark);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      margin-top: 30px;
    }

    .qr-holder {
      width: 120px;
      height: 120px;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-sm);
      background: #FFFFFF;
      padding: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 3px 3px 0 var(--border-dark);
    }

    .qr-holder img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* 页脚标准对齐 */
    footer.site-footer {
      background: #1F2421;
      color: #E2E8F0;
      border-top: 4px solid var(--graffiti-yellow);
      padding: 48px 0 24px;
      margin-top: 40px;
    }

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

    .footer-top-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 32px;
      padding-bottom: 32px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    }

    .footer-brand h4 {
      font-size: 20px;
      font-weight: 900;
      color: #FFFFFF;
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 13px;
      color: #94A3B8;
      line-height: 1.6;
      max-width: 360px;
    }

    .footer-col h5 {
      font-size: 15px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 14px;
      border-left: 3px solid var(--graffiti-yellow);
      padding-left: 8px;
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
      font-size: 13px;
    }

    .footer-col ul a {
      color: #94A3B8;
    }

    .footer-col ul a:hover {
      color: var(--graffiti-cyan);
    }

    .friendly-links-bar {
      padding: 20px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      font-size: 13px;
    }

    .friendly-links-title {
      font-weight: 800;
      color: #FFFFFF;
    }

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

    .friendly-links-list a {
      color: #94A3B8;
      background: rgba(255, 255, 255, 0.05);
      padding: 2px 8px;
      border-radius: 4px;
    }

    .friendly-links-list a:hover {
      color: var(--graffiti-yellow);
      background: rgba(255, 255, 255, 0.1);
    }

    .footer-bottom-bar {
      padding-top: 20px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      font-size: 13px;
      color: #94A3B8;
    }

    /* 悬浮客服挂件 */
    .floating-kefu-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(--graffiti-yellow);
      border: 2px solid var(--border-dark);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      box-shadow: 3px 3px 0 var(--border-dark);
      cursor: pointer;
      font-size: 14px;
      transition: transform 0.2s ease;
    }

    .float-btn:hover {
      transform: scale(1.08);
    }

    .back-to-top {
      background: #FFFFFF;
      display: none;
    }

    /* 响应式适配 */
    @media (max-width: 992px) {
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
      .match-form-wrap {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        border-bottom: 3px solid var(--border-dark);
        flex-direction: column;
        padding: 16px 0;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
      }

      .nav-links.active {
        display: flex;
      }

      .nav-links li {
        width: 100%;
        text-align: center;
      }

      .mobile-toggle {
        display: block;
      }

      .hero-wrap {
        padding: 30px 20px;
      }

      .footer-top-grid {
        grid-template-columns: 1fr;
      }

      .eval-highlight-box {
        flex-direction: column;
        align-items: flex-start;
      }
    }