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

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
      background: #fff9f5;
      color: #1e1e2f;
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
      scroll-behavior: smooth;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 亮橙炽艳风基调 */
    :root {
      --primary: #ff6b2c;
      --primary-dark: #e85d1f;
      --primary-light: #fff0e8;
      --secondary: #ffb347;
      --dark: #1e1e2f;
      --gray: #5e5e72;
      --light-gray: #f4f4f7;
      --white: #ffffff;
      --border: #f0e4dc;
      --shadow-sm: 0 8px 20px rgba(255, 107, 44, 0.08);
      --shadow-md: 0 12px 30px rgba(255, 107, 44, 0.12);
      --shadow-lg: 0 24px 44px rgba(255, 107, 44, 0.16);
      --radius: 24px;
      --radius-sm: 16px;
    }

    h1, h2, h3, h4 {
      font-weight: 700;
      letter-spacing: -0.02em;
      color: var(--dark);
    }

    h2 {
      font-size: 2rem;
      margin-bottom: 16px;
    }

    @media (min-width: 768px) {
      h2 {
        font-size: 2.5rem;
      }
    }

    .section {
      padding: 72px 0;
    }

    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 48px;
    }

    .section-header p {
      font-size: 1.125rem;
      color: var(--gray);
      margin-top: 12px;
    }

    .badge {
      display: inline-block;
      background: var(--primary-light);
      color: var(--primary);
      font-weight: 600;
      font-size: 0.875rem;
      padding: 6px 14px;
      border-radius: 40px;
      margin-bottom: 16px;
      letter-spacing: 0.3px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 14px 28px;
      font-weight: 600;
      font-size: 1rem;
      border-radius: 60px;
      border: none;
      cursor: pointer;
      transition: all 0.25s ease;
      text-decoration: none;
      line-height: 1;
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 8px 20px rgba(255, 107, 44, 0.3);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 14px 28px rgba(255, 107, 44, 0.4);
    }

    .btn-outline {
      background: transparent;
      color: var(--primary);
      border: 2px solid var(--primary);
    }

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

    /* 导航 */
    .navbar {
      background: var(--white);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
      padding: 12px 0;
      position: sticky;
      top: 0;
      z-index: 1000;
      border-bottom: 1px solid var(--border);
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
    }

    .logo-area {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
    }

    .logo-area img {
      max-height: 40px;
      width: auto;
    }

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

    .nav-links li a {
      display: block;
      padding: 8px 14px;
      color: var(--dark);
      text-decoration: none;
      font-size: 0.95rem;
      font-weight: 500;
      transition: color 0.2s;
      white-space: nowrap;
    }

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

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

    .nav-cta {
      padding: 10px 20px;
      font-size: 0.9rem;
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.8rem;
      cursor: pointer;
      color: var(--dark);
      padding: 4px 8px;
    }

    @media (max-width: 1024px) {
      .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        background: var(--white);
        padding: 16px 0;
        border-top: 1px solid var(--border);
        margin-top: 8px;
        border-radius: 0 0 20px 20px;
        box-shadow: var(--shadow-sm);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li a {
        padding: 12px 20px;
      }
      .mobile-menu-btn {
        display: block;
      }
      .nav-right {
        margin-left: auto;
      }
    }

    @media (max-width: 480px) {
      .nav-right .btn {
        padding: 8px 14px;
        font-size: 0.8rem;
      }
    }

    /* Hero 首屏 - 禁止图片 */
    .hero {
      background: linear-gradient(145deg, #fff5ee 0%, #ffe9df 100%);
      padding: 60px 0 80px;
      position: relative;
      overflow: hidden;
    }

    .hero::before {
      content: '';
      position: absolute;
      top: -30%;
      right: -10%;
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(255,107,44,0.12) 0%, rgba(255,255,255,0) 70%);
      border-radius: 50%;
      pointer-events: none;
    }

    .hero-content {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 48px;
    }

    .hero-text {
      flex: 1 1 500px;
    }

    .hero-text h1 {
      font-size: 2.6rem;
      line-height: 1.2;
      margin-bottom: 24px;
      font-weight: 800;
    }

    .hero-text .hero-desc {
      font-size: 1.1rem;
      color: var(--gray);
      margin-bottom: 32px;
      max-width: 560px;
    }

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

    .hero-stats {
      display: flex;
      flex-wrap: wrap;
      gap: 32px;
      margin-top: 48px;
    }

    .hero-stat-item {
      display: flex;
      flex-direction: column;
    }

    .hero-stat-num {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.2;
    }

    .hero-stat-label {
      font-size: 0.9rem;
      color: var(--gray);
    }

    .hero-visual {
      flex: 1 1 320px;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 280px;
      background: radial-gradient(circle at 30% 30%, rgba(255,107,44,0.06) 0%, transparent 70%);
      border-radius: 40px;
    }

    .abstract-shapes {
      position: relative;
      width: 100%;
      max-width: 360px;
      aspect-ratio: 1/1;
    }

    .shape {
      position: absolute;
      border-radius: 40px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      opacity: 0.15;
      animation: float 8s ease-in-out infinite;
    }

    .shape:nth-child(1) {
      width: 180px;
      height: 180px;
      top: 10%;
      left: 5%;
      border-radius: 50%;
      animation-delay: 0s;
    }

    .shape:nth-child(2) {
      width: 140px;
      height: 140px;
      bottom: 15%;
      right: 5%;
      border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
      animation-delay: 1.5s;
      opacity: 0.2;
    }

    .shape:nth-child(3) {
      width: 100px;
      height: 100px;
      top: 40%;
      left: 40%;
      border-radius: 20px;
      animation-delay: 3s;
      opacity: 0.12;
    }

    @keyframes float {
      0%, 100% { transform: translateY(0) rotate(0deg); }
      50% { transform: translateY(-16px) rotate(4deg); }
    }

    .hero-cta-note {
      font-size: 0.85rem;
      color: var(--gray);
      margin-top: 16px;
    }

    /* 卡片通用 */
    .card-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 28px;
    }

    .card {
      background: var(--white);
      border-radius: var(--radius-sm);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      border: 1px solid var(--border);
    }

    .card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-light);
    }

    .card-icon {
      width: 48px;
      height: 48px;
      background: var(--primary-light);
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.6rem;
      margin-bottom: 20px;
      color: var(--primary);
    }

    .card h3 {
      font-size: 1.25rem;
      margin-bottom: 12px;
    }

    .card p {
      color: var(--gray);
      font-size: 0.95rem;
    }

    /* 数据指标 */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 24px;
      background: var(--white);
      border-radius: var(--radius);
      padding: 40px 28px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border);
    }

    .metric-item {
      text-align: center;
    }

    .metric-num {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.2;
    }

    .metric-label {
      font-size: 0.9rem;
      color: var(--gray);
      margin-top: 4px;
    }

    /* 服务能力卡片 */
    .service-cap-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
      gap: 24px;
    }

    .service-cap-item {
      background: var(--white);
      border-radius: var(--radius-sm);
      padding: 24px 20px;
      border-left: 4px solid var(--primary);
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s;
    }

    .service-cap-item:hover {
      transform: translateX(4px);
    }

    .service-cap-item h4 {
      font-size: 1.1rem;
      margin-bottom: 8px;
    }

    .service-cap-item p {
      font-size: 0.9rem;
      color: var(--gray);
    }

    /* 流程步骤 */
    .steps {
      display: flex;
      flex-wrap: wrap;
      gap: 24px;
      justify-content: center;
    }

    .step {
      flex: 1 1 180px;
      background: var(--white);
      border-radius: var(--radius-sm);
      padding: 28px 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      position: relative;
      border: 1px solid var(--border);
    }

    .step-num {
      width: 40px;
      height: 40px;
      background: var(--primary);
      color: #fff;
      font-weight: 700;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
    }

    .step h4 {
      font-size: 1.1rem;
      margin-bottom: 8px;
    }

    .step p {
      font-size: 0.9rem;
      color: var(--gray);
    }

    /* 对比表格 */
    .compare-table-wrap {
      overflow-x: auto;
      background: var(--white);
      border-radius: var(--radius);
      padding: 8px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border);
    }

    table {
      width: 100%;
      border-collapse: collapse;
      min-width: 640px;
    }

    th, td {
      padding: 16px 20px;
      text-align: left;
      border-bottom: 1px solid var(--border);
    }

    th {
      font-weight: 700;
      background: var(--light-gray);
      color: var(--dark);
    }

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

    .star-rating {
      color: var(--primary);
      font-size: 1.2rem;
      letter-spacing: 2px;
    }

    .score-badge {
      background: var(--primary);
      color: #fff;
      padding: 4px 14px;
      border-radius: 40px;
      font-weight: 700;
      font-size: 0.95rem;
      display: inline-block;
    }

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

    .faq-item {
      background: var(--white);
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border);
      overflow: hidden;
    }

    .faq-question {
      padding: 20px 24px;
      font-weight: 600;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      transition: background 0.2s;
      user-select: none;
    }

    .faq-question:hover {
      background: var(--primary-light);
    }

    .faq-question .icon {
      font-size: 1.4rem;
      color: var(--primary);
      transition: transform 0.3s;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.3s;
      padding: 0 24px;
      color: var(--gray);
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 0 24px 20px;
    }

    /* 用户评论 */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 28px;
    }

    .review-card {
      background: var(--white);
      border-radius: var(--radius-sm);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border);
      display: flex;
      flex-direction: column;
      gap: 16px;
      transition: all 0.3s;
    }

    .review-card:hover {
      box-shadow: var(--shadow-md);
    }

    .review-stars {
      color: var(--primary);
      font-size: 1rem;
      letter-spacing: 2px;
    }

    .review-text {
      font-size: 0.95rem;
      color: var(--dark);
      flex: 1;
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.9rem;
    }

    .review-avatar {
      width: 40px;
      height: 40px;
      background: var(--primary-light);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }

    .review-info {
      display: flex;
      flex-direction: column;
    }

    .review-name {
      font-weight: 600;
      color: var(--dark);
    }

    .review-role {
      font-size: 0.8rem;
      color: var(--gray);
    }

    /* 案例 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 32px;
    }

    .case-img-wrap {
      border-radius: var(--radius-sm);
      overflow: hidden;
      background: var(--light-gray);
      aspect-ratio: 16/9;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.4s ease;
    }

    .case-card:hover .case-img-wrap img {
      transform: scale(1.03);
    }

    .case-card h4 {
      font-size: 1.15rem;
      margin-bottom: 6px;
    }

    .case-card p {
      font-size: 0.9rem;
      color: var(--gray);
    }

    /* 文章列表 */
    .article-list {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
      gap: 24px;
    }

    .article-item {
      background: var(--white);
      border-radius: var(--radius-sm);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s;
      border: 1px solid var(--border);
      display: flex;
      flex-direction: column;
      min-height: 160px;
    }

    .article-item:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .article-tag {
      font-size: 0.75rem;
      color: var(--primary);
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 12px;
    }

    .article-title {
      font-weight: 600;
      margin-bottom: 8px;
      flex: 1;
    }

    .article-link {
      font-size: 0.85rem;
      color: var(--primary);
      text-decoration: none;
      font-weight: 600;
      margin-top: 12px;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 表单 */
    .form-section {
      background: var(--white);
      border-radius: var(--radius);
      padding: 48px 32px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border);
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .form-field {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .form-field.full-width {
      grid-column: 1 / -1;
    }

    .form-field label {
      font-weight: 500;
      font-size: 0.95rem;
    }

    .form-field input,
    .form-field select,
    .form-field textarea {
      padding: 14px 18px;
      border-radius: 12px;
      border: 1px solid var(--border);
      background: var(--light-gray);
      font-family: inherit;
      font-size: 0.95rem;
      transition: border 0.2s, box-shadow 0.2s;
    }

    .form-field input:focus,
    .form-field select:focus,
    .form-field textarea:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(255, 107, 44, 0.1);
      background: var(--white);
    }

    .form-field textarea {
      min-height: 120px;
      resize: vertical;
    }

    @media (max-width: 640px) {
      .form-grid {
        grid-template-columns: 1fr;
      }
    }

    /* 页脚 */
    footer {
      background: #1e1e2f;
      color: #e0e0e0;
      padding: 56px 0 20px;
      margin-top: 40px;
    }

    footer .footer-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: var(--white);
      font-size: 1.1rem;
      margin-bottom: 20px;
      font-weight: 600;
    }

    .footer-col p,
    .footer-col a {
      color: #b0b0c0;
      font-size: 0.9rem;
      text-decoration: none;
      line-height: 1.8;
      transition: color 0.2s;
      display: block;
    }

    .footer-col a:hover {
      color: var(--primary);
    }

    .footer-links {
      list-style: none;
    }

    .footer-links li {
      margin-bottom: 8px;
    }

    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px 24px;
      padding-top: 24px;
      border-top: 1px solid rgba(255,255,255,0.08);
    }

    .friend-links a {
      color: #b0b0c0;
      font-size: 0.85rem;
      text-decoration: none;
    }

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

    .copyright {
      text-align: center;
      padding-top: 28px;
      font-size: 0.85rem;
      color: #7a7a8a;
      border-top: 1px solid rgba(255,255,255,0.06);
      margin-top: 20px;
    }

    /* 浮动客服 */
    .float-service {
      position: fixed;
      bottom: 30px;
      right: 24px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      gap: 12px;
    }

    .service-btn {
      width: 56px;
      height: 56px;
      background: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 24px rgba(255, 107, 44, 0.4);
      cursor: pointer;
      border: none;
      color: #fff;
      font-size: 1.5rem;
      transition: transform 0.25s, background 0.25s;
    }

    .service-btn:hover {
      background: var(--primary-dark);
      transform: scale(1.05);
    }

    .qr-popup {
      background: var(--white);
      border-radius: 20px;
      padding: 16px;
      box-shadow: var(--shadow-lg);
      display: none;
      text-align: center;
      border: 1px solid var(--border);
    }

    .qr-popup.show {
      display: block;
      animation: fadeIn 0.25s;
    }

    .qr-popup img {
      width: 140px;
      height: 140px;
      object-fit: contain;
      border-radius: 12px;
    }

    .qr-popup p {
      font-size: 0.8rem;
      color: var(--gray);
      margin-top: 8px;
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(10px); }
      to { opacity: 1; transform: translateY(0); }
    }

    /* 滚动动画 */
    .reveal {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* 标签云 */
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .tag-item {
      background: var(--white);
      padding: 8px 18px;
      border-radius: 40px;
      font-size: 0.9rem;
      border: 1px solid var(--border);
      color: var(--gray);
      transition: all 0.2s;
      cursor: default;
    }

    .tag-item:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: var(--primary-light);
    }

    /* 价格参考 */
    .price-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 24px;
    }

    .price-card {
      background: var(--white);
      border-radius: var(--radius-sm);
      padding: 32px 24px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      border: 1px solid var(--border);
      transition: all 0.3s;
    }

    .price-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
    }

    .price-card h4 {
      font-size: 1.25rem;
      margin-bottom: 8px;
    }

    .price-value {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.2;
      margin: 16px 0;
    }

    .price-value small {
      font-size: 0.9rem;
      font-weight: 400;
      color: var(--gray);
    }

    .price-features {
      list-style: none;
      text-align: left;
      font-size: 0.9rem;
      color: var(--gray);
      margin-top: 16px;
    }

    .price-features li {
      padding: 6px 0;
    }

    /* 服务网络 */
    .network-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
      gap: 20px;
    }

    .network-item {
      background: var(--white);
      padding: 20px 16px;
      border-radius: var(--radius-sm);
      text-align: center;
      box-shadow: var(--shadow-sm);
      font-weight: 500;
      border: 1px solid var(--border);
    }

    /* 时间线 */
    .timeline {
      display: flex;
      flex-direction: column;
      gap: 24px;
      max-width: 800px;
      margin: 0 auto;
    }

    .timeline-item {
      display: flex;
      gap: 20px;
      padding: 20px;
      background: var(--white);
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-sm);
      border-left: 4px solid var(--primary);
    }

    .timeline-year {
      font-weight: 800;
      color: var(--primary);
      min-width: 70px;
      font-size: 1.1rem;
    }

    .timeline-content h4 {
      margin-bottom: 4px;
    }

    .timeline-content p {
      font-size: 0.9rem;
      color: var(--gray);
    }

    /* 标签云 */
    .topic-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }