:root {
      --primary-red: #d91b24;
      --deep-crimson: #9e0e15;
      --flame-red: #ff333f;
      --accent-gold: #c8963e;
      --bg-cream: #faf7f5;
      --bg-card: #ffffff;
      --text-main: #1f1f24;
      --text-muted: #5e606a;
      --border-soft: #f0e4df;
      --border-accent: #ffd1cf;
      --shadow-sm: 0 4px 12px rgba(217, 27, 36, 0.05);
      --shadow-md: 0 10px 24px rgba(217, 27, 36, 0.08);
      --shadow-lg: 0 18px 40px rgba(158, 14, 21, 0.12);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      background-color: var(--bg-cream);
      color: var(--text-main);
      line-height: 1.65;
      font-size: 16px;
      overflow-x: hidden;
      background-image: radial-gradient(#f7dedb 1px, transparent 1px), radial-gradient(#f7dedb 1px, var(--bg-cream) 1px);
      background-size: 40px 40px;
      background-position: 0 0, 20px 20px;
    }

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

    img {
      max-width: 100%;
      height: auto;
      vertical-align: middle;
    }

    .main-container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 2px solid var(--border-soft);
      box-shadow: var(--shadow-sm);
    }

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

    .logo-area {
      display: flex;
      align-items: center;
      gap: 12px;
      max-width: 180px;
    }

    .logo-area .ai-page-logo {
      height: 42px;
      width: auto;
      object-fit: contain;
    }

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

    .nav-links li a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-main);
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      position: relative;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary-red);
      background: #fff3f2;
    }

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

    .btn-portal {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      background: linear-gradient(135deg, var(--flame-red), var(--primary-red));
      color: #ffffff !important;
      font-size: 14px;
      font-weight: 600;
      border-radius: 30px;
      box-shadow: 0 4px 14px rgba(217, 27, 36, 0.3);
      border: 1px solid transparent;
      transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

    .btn-portal:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(217, 27, 36, 0.45);
      filter: brightness(1.05);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--text-main);
      cursor: pointer;
      padding: 6px;
    }

    /* 首屏 Hero 区：严禁出现任何图片 */
    .hero-section {
      padding: 70px 0 50px;
      position: relative;
      background: linear-gradient(180deg, #fff7f6 0%, #faf7f5 100%);
      border-bottom: 1px solid var(--border-soft);
    }

    .hero-content {
      text-align: center;
      max-width: 960px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      padding: 6px 16px;
      border-radius: 20px;
      background: #ffebe9;
      color: var(--primary-red);
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 22px;
      border: 1px solid var(--border-accent);
      letter-spacing: 0.5px;
    }

    .hero-title {
      font-size: 40px;
      font-weight: 800;
      line-height: 1.25;
      color: #141416;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title .highlight {
      color: var(--primary-red);
      background: linear-gradient(120deg, var(--deep-crimson), var(--flame-red));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 18px;
      color: var(--text-muted);
      margin-bottom: 34px;
      line-height: 1.7;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 46px;
    }

    .btn-hero-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 15px 36px;
      font-size: 17px;
      font-weight: 700;
      color: #ffffff;
      background: linear-gradient(135deg, #e31823, #ad0812);
      border-radius: 36px;
      box-shadow: 0 8px 24px rgba(217, 27, 36, 0.35);
      border: none;
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .btn-hero-primary:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 12px 30px rgba(217, 27, 36, 0.45);
      color: #ffffff;
    }

    .btn-hero-secondary {
      display: inline-flex;
      align-items: center;
      padding: 15px 32px;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-main);
      background: #ffffff;
      border: 1px solid #e5d8d4;
      border-radius: 36px;
      box-shadow: var(--shadow-sm);
    }

    .btn-hero-secondary:hover {
      border-color: var(--primary-red);
      color: var(--primary-red);
      background: #fff8f7;
    }

    .hero-stats-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 20px;
    }

    .hero-stat-card {
      background: #ffffff;
      border: 1px solid var(--border-soft);
      padding: 20px 16px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: transform 0.25s ease;
    }

    .hero-stat-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-accent);
    }

    .stat-number {
      font-size: 28px;
      font-weight: 800;
      color: var(--primary-red);
      line-height: 1.2;
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 模块通用标题 */
    .section-wrap {
      padding: 70px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px;
    }

    .section-tag {
      font-size: 13px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--primary-red);
      background: #ffebe9;
      padding: 4px 14px;
      border-radius: 12px;
      display: inline-block;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: #17181d;
      margin-bottom: 14px;
    }

    .section-subtitle {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 平台介绍与关于我们 */
    .about-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
      align-items: center;
    }

    .about-card {
      background: #ffffff;
      padding: 34px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-soft);
      box-shadow: var(--shadow-sm);
    }

    .about-card h3 {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--deep-crimson);
    }

    .about-features {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 24px;
    }

    .about-feature-item {
      background: #fff8f7;
      padding: 14px;
      border-radius: var(--radius-sm);
      border-left: 3px solid var(--primary-red);
    }

    .about-feature-item strong {
      display: block;
      color: var(--text-main);
      font-size: 14px;
      margin-bottom: 4px;
    }

    .about-feature-item span {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.4;
    }

    .about-visual-box {
      background: #ffffff;
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-lg);
      padding: 20px;
      box-shadow: var(--shadow-sm);
      text-align: center;
    }

    .about-visual-box img {
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }

    /* 支持模型标签云 */
    .model-strip {
      background: #ffffff;
      border-top: 1px solid var(--border-soft);
      border-bottom: 1px solid var(--border-soft);
      padding: 24px 0;
      margin-top: 40px;
    }

    .model-strip-title {
      text-align: center;
      font-size: 13px;
      font-weight: 700;
      color: var(--primary-red);
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }

    .model-badge-cloud {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
    }

    .model-pill {
      background: #fff4f2;
      border: 1px solid #ffdcd8;
      color: #8c1218;
      font-size: 12px;
      font-weight: 600;
      padding: 5px 12px;
      border-radius: 16px;
      transition: background 0.2s ease;
    }

    .model-pill:hover {
      background: var(--primary-red);
      color: #ffffff;
      border-color: var(--primary-red);
    }

    /* AIGC 服务矩阵与一站式制作场景 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .service-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-soft);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-accent);
    }

    .service-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .service-icon-box {
      width: 44px;
      height: 44px;
      background: #ffebe9;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-red);
      font-weight: 800;
      font-size: 18px;
      flex-shrink: 0;
    }

    .service-card h3 {
      font-size: 18px;
      color: #1a1a1f;
      font-weight: 700;
    }

    .service-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .service-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px dashed var(--border-soft);
      padding-top: 14px;
      font-size: 13px;
    }

    .service-tag {
      color: var(--deep-crimson);
      font-weight: 600;
      background: #fff1ef;
      padding: 2px 8px;
      border-radius: 4px;
    }

    .service-link {
      color: var(--primary-red);
      font-weight: 600;
    }

    /* 行业解决方案与一站式多维流程 */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-soft);
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .step-num {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: var(--primary-red);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 14px;
    }

    .step-card h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .step-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 案例展示 */
    .showcase-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .showcase-item {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-soft);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

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

    .showcase-img-box {
      width: 100%;
      height: 240px;
      background: #f0e6e4;
      overflow: hidden;
      position: relative;
    }

    .showcase-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

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

    .showcase-body {
      padding: 22px;
    }

    .showcase-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
      color: #17181d;
    }

    .showcase-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.5;
      margin-bottom: 14px;
    }

    .showcase-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: var(--primary-red);
      font-weight: 600;
    }

    /* 宣传图画廊展示区 */
    .banner-gallery {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 36px;
    }

    .banner-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-soft);
      box-shadow: var(--shadow-sm);
    }

    .banner-card img {
      width: 100%;
      aspect-ratio: 16/9;
      object-fit: cover;
      display: block;
    }

    .banner-label {
      padding: 10px;
      text-align: center;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
    }

    /* 对比评测：推荐五星，9.9分 */
    .review-score-banner {
      background: linear-gradient(135deg, #ad0812, #d91b24);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 32px 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 30px;
      box-shadow: var(--shadow-lg);
    }

    .score-left h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .score-left p {
      font-size: 15px;
      opacity: 0.9;
    }

    .score-right {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .score-val {
      font-size: 54px;
      font-weight: 900;
      line-height: 1;
      color: #ffe685;
      text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .score-rating {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .stars {
      color: #ffd200;
      font-size: 22px;
      letter-spacing: 2px;
    }

    .score-max {
      font-size: 14px;
      opacity: 0.85;
    }

    .table-container {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-soft);
      box-shadow: var(--shadow-sm);
      overflow-x: auto;
    }

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

    .comparison-table th,
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f4ebe8;
    }

    .comparison-table th {
      background: #fff4f2;
      color: var(--deep-crimson);
      font-weight: 700;
      font-size: 15px;
    }

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

    .comparison-table tr:hover td {
      background: #fffcfb;
    }

    .badge-win {
      display: inline-block;
      padding: 2px 8px;
      border-radius: 4px;
      background: #ffebe9;
      color: var(--primary-red);
      font-weight: 700;
      font-size: 12px;
    }

    /* 客户评论板块 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

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

    .testimonial-content {
      font-size: 14px;
      color: #3b3d45;
      line-height: 1.65;
      margin-bottom: 18px;
      position: relative;
    }

    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f4ebe8;
      padding-top: 14px;
    }

    .user-avatar-circle {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: #ffebe9;
      color: var(--primary-red);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
    }

    .user-details h5 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

    .user-details span {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 需求匹配与联系我们表单区 */
    .contact-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-soft);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .contact-info-panel {
      padding: 40px;
      background: linear-gradient(135deg, #fff7f6, #ffedeb);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-info-panel h3 {
      font-size: 24px;
      font-weight: 800;
      color: var(--deep-crimson);
      margin-bottom: 12px;
    }

    .contact-info-panel p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    .contact-channels {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .channel-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 14px;
      color: var(--text-main);
    }

    .channel-item strong {
      color: var(--deep-crimson);
      min-width: 90px;
    }

    .qr-container {
      margin-top: 24px;
      background: #ffffff;
      padding: 16px;
      border-radius: var(--radius-md);
      display: inline-flex;
      align-items: center;
      gap: 16px;
      border: 1px solid var(--border-soft);
    }

    .qr-container img {
      width: 80px;
      height: 80px;
      border-radius: 4px;
    }

    .qr-text {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    .contact-form-panel {
      padding: 40px;
    }

    .contact-form-panel h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 20px;
      color: #17181d;
    }

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

    .form-group label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      font-size: 14px;
      border: 1px solid #dcd1ce;
      border-radius: var(--radius-sm);
      outline: none;
      background: #faf8f7;
      transition: all 0.25s ease;
    }

    .form-control:focus {
      border-color: var(--primary-red);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(217, 27, 36, 0.12);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 90px;
    }

    .btn-submit {
      width: 100%;
      padding: 14px;
      background: linear-gradient(135deg, var(--flame-red), var(--primary-red));
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(217, 27, 36, 0.3);
      transition: all 0.3s ease;
    }

    .btn-submit:hover {
      background: linear-gradient(135deg, #f02530, #b51019);
      box-shadow: 0 6px 18px rgba(217, 27, 36, 0.4);
    }

    /* FAQ 折叠面板 */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-soft);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      text-align: left;
      padding: 18px 24px;
      font-size: 15px;
      font-weight: 700;
      color: #17181d;
      background: none;
      border: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      transition: background 0.2s ease;
    }

    .faq-question:hover {
      background: #fff8f7;
    }

    .faq-icon {
      font-size: 18px;
      color: var(--primary-red);
      transition: transform 0.3s ease;
      font-weight: 600;
    }

    .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;
      padding: 0 24px;
      background: #ffffff;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      max-height: 200px;
      padding: 0 24px 20px 24px;
    }

    /* 行业资讯与文章模块 */
    .articles-card-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-soft);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }

    .articles-links-flex {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 18px;
    }

    .article-pill-link {
      display: inline-block;
      padding: 8px 16px;
      border-radius: 20px;
      background: #fff2f0;
      color: var(--deep-crimson);
      font-size: 13px;
      font-weight: 600;
      border: 1px solid #ffdeda;
    }

    .article-pill-link:hover {
      background: var(--primary-red);
      color: #ffffff;
      border-color: var(--primary-red);
    }

    /* 友情链接与底部 */
    .site-footer {
      background: #ffffff;
      border-top: 2px solid var(--border-soft);
      padding: 40px 0 20px;
      color: var(--text-main);
      box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.02);
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: 30px;
      padding-bottom: 30px;
      border-bottom: 1px solid #f2e6e3;
    }

    .footer-col h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 14px;
      color: var(--deep-crimson);
    }

    .footer-col p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

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

    .footer-friend-links a {
      color: var(--text-muted);
      font-size: 13px;
    }

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

    .footer-bottom {
      padding-top: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 悬浮客服工具 */
    .floating-kefu {
      position: fixed;
      right: 20px;
      bottom: 40px;
      z-index: 990;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .kefu-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--primary-red);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 6px 18px rgba(217, 27, 36, 0.4);
      cursor: pointer;
      font-size: 12px;
      font-weight: 700;
      text-align: center;
      line-height: 1.2;
      border: 2px solid #ffffff;
      position: relative;
    }

    .kefu-popover {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      padding: 14px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-soft);
      display: none;
      width: 160px;
      text-align: center;
    }

    .kefu-popover img {
      width: 120px;
      height: 120px;
      margin-bottom: 6px;
    }

    .kefu-popover span {
      font-size: 12px;
      color: var(--text-main);
      font-weight: 600;
      display: block;
    }

    .kefu-btn:hover .kefu-popover {
      display: block;
    }

    /* 响应式媒体查询 */
    @media (max-width: 992px) {
      .hero-title {
        font-size: 32px;
      }
      .hero-stats-row {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid {
        grid-template-columns: 1fr;
      }
      .flow-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .testimonial-grid {
        grid-template-columns: 1fr;
      }
      .contact-container {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
      .banner-gallery {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        border-bottom: 1px solid var(--border-soft);
        padding: 16px 20px;
        box-shadow: var(--shadow-md);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 12px 0;
        border-bottom: 1px solid #f6eeee;
      }
      .hero-title {
        font-size: 26px;
      }
      .hero-desc {
        font-size: 15px;
      }
      .services-grid,
      .showcase-grid {
        grid-template-columns: 1fr;
      }
      .review-score-banner {
        flex-direction: column;
        text-align: center;
        gap: 20px;
        padding: 24px;
      }
      .score-right {
        flex-direction: column;
        gap: 10px;
      }
      .hero-stats-row {
        grid-template-columns: 1fr;
      }
      .flow-steps {
        grid-template-columns: 1fr;
      }
      .banner-gallery {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
      }
    }