:root {
      --primary-yellow: #F59E0B;
      --yellow-bright: #FACC15;
      --yellow-light: #FEF9C3;
      --yellow-subtle: #FFFBEB;
      --yellow-dark: #B45309;
      --yellow-glow: rgba(245, 158, 11, 0.25);
      --dark-title: #0F172A;
      --dark-body: #334155;
      --dark-muted: #64748B;
      --bg-light: #FAFAFA;
      --bg-white: #FFFFFF;
      --border-color: #E2E8F0;
      --border-yellow: #FDE68A;
      --card-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
      --card-hover-shadow: 0 20px 35px -5px rgba(245, 158, 11, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --container-max: 1240px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
      background-color: var(--bg-light);
      color: var(--dark-body);
      line-height: 1.65;
    }

    body {
      background-color: var(--bg-light);
      color: var(--dark-body);
      overflow-x: hidden;
      display: flex;
      flex-direction: column;
      min-height: 100vh;
    }

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

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

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-yellow);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    }

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

    .brand-area {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 800;
      color: var(--dark-title);
    }

    .brand-area img {
      max-height: 42px;
      width: auto;
    }

    .brand-text-badge {
      background: var(--yellow-bright);
      color: #78350F;
      font-size: 11px;
      padding: 2px 8px;
      border-radius: var(--radius-full);
      font-weight: 700;
      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: 14.5px;
      font-weight: 600;
      color: var(--dark-title);
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover {
      color: var(--yellow-dark);
      background-color: var(--yellow-subtle);
    }

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

    .btn-main-site {
      background: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
      color: #0F172A;
      font-weight: 700;
      padding: 9px 20px;
      border-radius: var(--radius-full);
      box-shadow: 0 4px 12px var(--yellow-glow);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
    }

    .btn-main-site:hover {
      background: linear-gradient(135deg, #D97706 0%, #F59E0B 100%);
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(245, 158, 11, 0.35);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      padding: 8px;
      border-radius: var(--radius-sm);
      cursor: pointer;
    }

    /* 鲜黄耀眼风格 Hero 区域 (严格无图片) */
    .hero-section {
      background: radial-gradient(circle at 50% 0%, #FEF08A 0%, #FFFBEB 45%, #FAFAFA 100%);
      padding: 80px 0 60px;
      text-align: center;
      position: relative;
      border-bottom: 1px solid var(--border-yellow);
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #FFFFFF;
      border: 1px solid var(--primary-yellow);
      padding: 6px 18px;
      border-radius: var(--radius-full);
      font-size: 13px;
      font-weight: 700;
      color: var(--yellow-dark);
      margin-bottom: 24px;
      box-shadow: 0 2px 8px var(--yellow-glow);
    }

    .hero-badge span {
      display: inline-block;
      width: 8px;
      height: 8px;
      background: #10B981;
      border-radius: 50%;
    }

    .hero-title {
      font-size: 42px;
      font-weight: 900;
      color: var(--dark-title);
      letter-spacing: -0.5px;
      margin-bottom: 20px;
      line-height: 1.25;
    }

    .hero-subtitle {
      font-size: 18px;
      color: var(--dark-body);
      max-width: 820px;
      margin: 0 auto 36px;
      line-height: 1.6;
    }

    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }

    .btn-hero-primary {
      background: linear-gradient(135deg, #F59E0B 0%, #FACC15 100%);
      color: #0F172A;
      font-weight: 800;
      font-size: 16px;
      padding: 14px 36px;
      border-radius: var(--radius-full);
      box-shadow: 0 8px 20px var(--yellow-glow);
      border: none;
      cursor: pointer;
    }

    .btn-hero-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 24px rgba(245, 158, 11, 0.4);
    }

    .btn-hero-secondary {
      background: #FFFFFF;
      color: var(--dark-title);
      font-weight: 700;
      font-size: 16px;
      padding: 14px 32px;
      border-radius: var(--radius-full);
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
    }

    .btn-hero-secondary:hover {
      border-color: var(--primary-yellow);
      background-color: var(--yellow-subtle);
    }

    /* 首屏数据网格 (纯CSS数字徽章) */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      max-width: 1040px;
      margin: 0 auto;
    }

    .hero-stat-card {
      background: #FFFFFF;
      border: 1px solid var(--border-yellow);
      padding: 24px 16px;
      border-radius: var(--radius-md);
      box-shadow: var(--card-shadow);
      text-align: center;
      transition: transform 0.25s ease;
    }

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

    .stat-number {
      font-size: 32px;
      font-weight: 900;
      color: var(--yellow-dark);
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 13.5px;
      font-weight: 600;
      color: var(--dark-muted);
    }

    /* 模块通用样式 */
    .section-padding {
      padding: 80px 0;
      border-bottom: 1px solid #EEF2F6;
    }

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

    .section-tag {
      display: inline-block;
      font-size: 12.5px;
      font-weight: 800;
      color: var(--yellow-dark);
      background: var(--yellow-light);
      padding: 4px 14px;
      border-radius: var(--radius-full);
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--dark-title);
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 15.5px;
      color: var(--dark-muted);
    }

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

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

    .feature-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--card-shadow);
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .feature-card:hover {
      border-color: var(--primary-yellow);
      transform: translateY(-4px);
      box-shadow: var(--card-hover-shadow);
    }

    .card-icon-box {
      width: 48px;
      height: 48px;
      background: var(--yellow-light);
      color: var(--yellow-dark);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      font-weight: 800;
      margin-bottom: 20px;
    }

    .card-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--dark-title);
      margin-bottom: 10px;
    }

    .card-text {
      font-size: 14px;
      color: var(--dark-body);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .card-tag-pill {
      font-size: 12px;
      color: var(--yellow-dark);
      background: var(--yellow-subtle);
      border: 1px solid var(--border-yellow);
      padding: 3px 10px;
      border-radius: var(--radius-full);
      display: inline-block;
      align-self: flex-start;
      font-weight: 600;
    }

    /* 平台介绍大板块 */
    .about-platform-box {
      background: #FFFFFF;
      border: 1px solid var(--border-yellow);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--card-shadow);
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 40px;
      align-items: center;
      margin-bottom: 30px;
    }

    .about-lead {
      font-size: 16.5px;
      color: var(--dark-body);
      line-height: 1.8;
      margin-bottom: 24px;
    }

    .about-checklist {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .about-checklist li {
      font-size: 14px;
      font-weight: 600;
      color: var(--dark-title);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .about-checklist li::before {
      content: "✔";
      color: var(--primary-yellow);
      font-weight: 900;
    }

    .about-media-wrapper {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 2px solid var(--border-yellow);
      box-shadow: var(--card-shadow);
    }

    /* 评测与对比板块 */
    .benchmark-box {
      background: linear-gradient(135deg, #FFFBEB 0%, #FFFFFF 100%);
      border: 2px solid var(--primary-yellow);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--card-hover-shadow);
    }

    .score-banner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px dashed var(--border-yellow);
      padding-bottom: 24px;
      margin-bottom: 28px;
      flex-wrap: wrap;
      gap: 20px;
    }

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

    .score-badge {
      background: var(--primary-yellow);
      color: #0F172A;
      font-size: 28px;
      font-weight: 900;
      padding: 12px 24px;
      border-radius: var(--radius-md);
    }

    .score-desc h4 {
      font-size: 20px;
      color: var(--dark-title);
      font-weight: 800;
    }

    .score-desc p {
      font-size: 14px;
      color: var(--dark-muted);
    }

    .stars-view {
      color: #F59E0B;
      font-size: 22px;
      letter-spacing: 2px;
    }

    .custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14.5px;
    }

    .custom-table th {
      background: #FEF3C7;
      color: #78350F;
      padding: 14px 18px;
      font-weight: 800;
      border: 1px solid var(--border-yellow);
    }

    .custom-table td {
      padding: 14px 18px;
      border: 1px solid #E2E8F0;
      background: #FFFFFF;
      color: var(--dark-body);
    }

    .custom-table tr:hover td {
      background: var(--yellow-subtle);
    }

    .highlight-cell {
      font-weight: 700;
      color: var(--yellow-dark);
    }

    /* 流程与网络 */
    .process-flow {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .process-step-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 16px;
      text-align: center;
      box-shadow: var(--card-shadow);
      position: relative;
    }

    .process-step-num {
      width: 36px;
      height: 36px;
      background: var(--primary-yellow);
      color: #0F172A;
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      font-size: 16px;
    }

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

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

    .gallery-item img {
      width: 100%;
      height: 240px;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

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

    .gallery-caption {
      padding: 14px 18px;
      font-size: 14px;
      font-weight: 700;
      color: var(--dark-title);
      background: #FFFFFF;
      border-top: 1px solid #F1F5F9;
    }

    /* 客户评价卡片 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .testimonial-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testimonial-content {
      font-size: 14px;
      color: var(--dark-body);
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: normal;
    }

    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #F1F5F9;
      padding-top: 14px;
    }

    .user-avatar-circle {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--yellow-light);
      color: var(--yellow-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 15px;
    }

    .user-info h5 {
      font-size: 14px;
      font-weight: 700;
      color: var(--dark-title);
    }

    .user-info p {
      font-size: 12px;
      color: var(--dark-muted);
    }

    /* FAQ 折叠板 */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      box-shadow: 0 2px 4px rgba(0,0,0,0.02);
    }

    .faq-header {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 700;
      color: var(--dark-title);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #FFFFFF;
      user-select: none;
    }

    .faq-header:hover {
      background: var(--yellow-subtle);
    }

    .faq-icon {
      font-size: 18px;
      color: var(--yellow-dark);
      transition: transform 0.25s ease;
    }

    .faq-body {
      padding: 0 24px 18px;
      font-size: 14.5px;
      color: var(--dark-body);
      line-height: 1.7;
      display: none;
      border-top: 1px solid #F8FAFC;
    }

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

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

    /* 需求匹配与表单 */
    .form-wrapper-box {
      background: #FFFFFF;
      border: 1px solid var(--border-yellow);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--card-hover-shadow);
      max-width: 820px;
      margin: 0 auto;
    }

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

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

    .form-group label {
      display: block;
      font-size: 14px;
      font-weight: 700;
      color: var(--dark-title);
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      outline: none;
      transition: border-color 0.2s ease;
      background: #FDFDFD;
      color: var(--dark-title);
    }

    .form-control:focus {
      border-color: var(--primary-yellow);
      background: #FFFFFF;
      box-shadow: 0 0 0 3px var(--yellow-glow);
    }

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

    .btn-submit {
      width: 100%;
      background: linear-gradient(135deg, #F59E0B 0%, #FACC15 100%);
      color: #0F172A;
      font-size: 16px;
      font-weight: 800;
      padding: 14px;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 12px var(--yellow-glow);
      transition: all 0.2s ease;
    }

    .btn-submit:hover {
      background: linear-gradient(135deg, #D97706 0%, #F59E0B 100%);
      transform: translateY(-2px);
    }

    /* 文章与资讯 */
    .article-links-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-top: 24px;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }

    .article-pill {
      background: var(--yellow-subtle);
      border: 1px solid var(--border-yellow);
      padding: 8px 16px;
      border-radius: var(--radius-full);
      font-size: 13.5px;
      font-weight: 600;
      color: var(--dark-title);
    }

    .article-pill:hover {
      background: var(--primary-yellow);
      color: #0F172A;
    }

    /* 代理加盟政策卡片 */
    .agent-perks-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 30px;
    }

    .agent-card {
      background: #FFFFFF;
      border: 1px solid var(--border-yellow);
      border-radius: var(--radius-md);
      padding: 32px 24px;
      text-align: center;
      box-shadow: var(--card-shadow);
      position: relative;
    }

    .agent-card.popular {
      border: 2px solid var(--primary-yellow);
      background: linear-gradient(180deg, #FFFDF5 0%, #FFFFFF 100%);
    }

    .agent-badge-top {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary-yellow);
      color: #0F172A;
      font-size: 11px;
      font-weight: 800;
      padding: 2px 14px;
      border-radius: var(--radius-full);
    }

    /* 底部专属样式 */
    .site-footer {
      background: #0F172A;
      color: #94A3B8;
      padding: 60px 0 30px;
      margin-top: 60px;
      border-top: 4px solid var(--primary-yellow);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-brand h3 {
      color: #FFFFFF;
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .footer-brand p {
      font-size: 13.5px;
      line-height: 1.7;
      margin-bottom: 16px;
    }

    .footer-col h4 {
      color: #FFFFFF;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 16px;
      border-left: 3px solid var(--primary-yellow);
      padding-left: 8px;
    }

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

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

    .footer-col ul li a {
      color: #94A3B8;
      font-size: 13.5px;
    }

    .footer-col ul li a:hover {
      color: var(--primary-yellow);
      padding-left: 4px;
    }

    .footer-qr-card {
      background: #1E293B;
      padding: 12px;
      border-radius: var(--radius-sm);
      display: inline-block;
      text-align: center;
    }

    .footer-qr-card img {
      width: 100px;
      height: 100px;
      border-radius: 4px;
      margin: 0 auto 6px;
    }

    .footer-qr-card span {
      font-size: 11px;
      color: #E2E8F0;
    }

    .footer-bottom {
      border-top: 1px solid #1E293B;
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: #64748B;
    }

    .friend-links-area {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 16px;
      margin-bottom: 16px;
    }

    .friend-links-area a {
      color: #94A3B8;
      font-size: 12.5px;
    }

    .friend-links-area a:hover {
      color: var(--primary-yellow);
    }

    /* 浮动客服挂件 */
    .floating-kefu {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .kefu-btn {
      width: 48px;
      height: 48px;
      background: var(--primary-yellow);
      color: #0F172A;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
      cursor: pointer;
      border: none;
      transition: transform 0.2s ease;
    }

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

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .card-grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .card-grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-flow {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .about-platform-box {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-yellow);
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
      }
      .nav-links.active {
        display: flex;
      }
      .mobile-menu-btn {
        display: block;
      }
      .hero-title {
        font-size: 28px;
      }
      .hero-subtitle {
        font-size: 15px;
      }
      .card-grid-3,
      .card-grid-4,
      .testimonial-grid,
      .banner-gallery-grid,
      .agent-perks-grid {
        grid-template-columns: 1fr;
      }
      .process-flow {
        grid-template-columns: 1fr;
      }
      .form-row {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .score-banner {
        flex-direction: column;
        align-items: flex-start;
      }
    }