:root {
      --primary-blue: #0b45d6;
      --primary-hover: #0834a8;
      --accent-cyan: #00c2ff;
      --text-main: #111827;
      --text-sub: #4b5563;
      --text-light: #6b7280;
      --bg-page: #f4f7fc;
      --bg-card: #ffffff;
      --border-color: #e5e9f2;
      --border-accent: #c7d7fe;
      --shadow-sm: 0 2px 6px rgba(11, 69, 214, 0.04);
      --shadow-md: 0 8px 24px rgba(11, 69, 214, 0.08);
      --shadow-lg: 0 16px 36px rgba(11, 69, 214, 0.12);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --container-width: 1200px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
    }

    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-page);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      min-width: 320px;
    }

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

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

    .container {
      width: 100%;
      max-width: var(--container-width);
      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, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

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

    .brand-logo-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

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

    .brand-title-group {
      display: flex;
      flex-direction: column;
    }

    .brand-main-name {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary-blue);
      letter-spacing: -0.5px;
    }

    .brand-sub-badge {
      font-size: 0.72rem;
      color: var(--text-sub);
      letter-spacing: 0.5px;
    }

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

    .nav-links li a {
      font-size: 0.94rem;
      font-weight: 500;
      color: var(--text-main);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      display: inline-block;
    }

    .nav-links li a:hover {
      color: var(--primary-blue);
      background-color: rgba(11, 69, 214, 0.05);
    }

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

    .btn-portal {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      background-color: var(--primary-blue);
      color: #ffffff;
      font-size: 0.94rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      border: 1px solid var(--primary-blue);
      box-shadow: 0 4px 12px rgba(11, 69, 214, 0.25);
    }

    .btn-portal:hover {
      background-color: var(--primary-hover);
      transform: translateY(-1px);
      box-shadow: 0 6px 16px rgba(11, 69, 214, 0.35);
      color: #ffffff;
    }

    .nav-toggle-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .nav-toggle-btn span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--text-main);
      margin: 5px 0;
      transition: all 0.3s ease;
    }

    /* 首屏 Hero 区域 (绝无图片) */
    .hero-section {
      background: linear-gradient(135deg, #eef4ff 0%, #e0ebff 40%, #f4f7fc 100%);
      padding: 80px 0 70px;
      position: relative;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-inner {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-meta-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #ffffff;
      border: 1px solid var(--border-accent);
      border-radius: 30px;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary-blue);
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

    .hero-title {
      font-size: 2.75rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title span {
      color: var(--primary-blue);
      display: inline;
      background: linear-gradient(120deg, #0b45d6, #0077ff);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.15rem;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 36px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .hero-cta-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 15px 36px;
      font-size: 1.1rem;
      font-weight: 700;
      background: linear-gradient(135deg, var(--primary-blue) 0%, #0056ff 100%);
      color: #ffffff;
      border-radius: var(--radius-md);
      box-shadow: 0 10px 24px rgba(11, 69, 214, 0.3);
    }

    .hero-cta-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 28px rgba(11, 69, 214, 0.4);
      color: #ffffff;
    }

    .hero-cta-secondary {
      display: inline-flex;
      align-items: center;
      padding: 15px 30px;
      font-size: 1.05rem;
      font-weight: 600;
      background: #ffffff;
      color: var(--primary-blue);
      border: 1px solid var(--border-accent);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }

    .hero-cta-secondary:hover {
      background: #f8faff;
      border-color: var(--primary-blue);
    }

    .hero-metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 20px;
    }

    .metric-card {
      background: #ffffff;
      padding: 20px 16px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      text-align: center;
    }

    .metric-num {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--primary-blue);
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .metric-label {
      font-size: 0.85rem;
      color: var(--text-sub);
      font-weight: 500;
    }

    /* Section 通用规范 */
    .section-wrap {
      padding: 80px 0;
      position: relative;
    }

    .section-wrap.alt-bg {
      background-color: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

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

    .section-tag {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 700;
      text-transform: uppercase;
      color: var(--primary-blue);
      background: rgba(11, 69, 214, 0.08);
      padding: 5px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
      letter-spacing: 1px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-sub);
      line-height: 1.65;
    }

    /* 平台介绍 */
    .about-feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .about-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .about-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-accent);
    }

    .about-icon {
      width: 48px;
      height: 48px;
      background: linear-gradient(135deg, rgba(11, 69, 214, 0.1) 0%, rgba(0, 194, 255, 0.1) 100%);
      color: var(--primary-blue);
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      font-size: 1.4rem;
      margin-bottom: 20px;
      font-weight: bold;
    }

    .about-card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .about-card p {
      font-size: 0.94rem;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* AIGC 服务场景 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-item-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.25s ease;
    }

    .service-item-card:hover {
      border-color: var(--primary-blue);
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }

    .service-head {
      margin-bottom: 12px;
    }

    .service-head h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .service-badge {
      font-size: 0.72rem;
      background: #eff4fe;
      color: var(--primary-blue);
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
    }

    .service-item-card p {
      font-size: 0.92rem;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .service-tag-item {
      font-size: 0.78rem;
      background: #f3f4f6;
      color: var(--text-sub);
      padding: 3px 8px;
      border-radius: 4px;
    }

    /* 一站式制作与素材展示 */
    .showcase-media-row {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      margin-top: 36px;
    }

    .media-card-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .media-card-box .img-wrapper {
      position: relative;
      border-radius: var(--radius-sm);
      overflow: hidden;
      background: #eef2f7;
      margin-bottom: 14px;
    }

    .media-card-box .img-wrapper img {
      width: 100%;
      height: 280px;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

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

    .media-card-box h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .media-card-box p {
      font-size: 0.88rem;
      color: var(--text-sub);
      line-height: 1.5;
    }

    /* 模型矩阵徽章墙 */
    .model-matrix-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 36px;
      box-shadow: var(--shadow-sm);
      margin-top: 30px;
      text-align: center;
    }

    .model-matrix-card h3 {
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .model-matrix-card p {
      font-size: 0.95rem;
      color: var(--text-sub);
      max-width: 800px;
      margin: 0 auto 24px;
    }

    .model-badge-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }

    .model-badge {
      background: #f0f4fc;
      color: var(--primary-blue);
      border: 1px solid #d4e2fc;
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.86rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

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

    /* 行业方案与流程 */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

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

    .step-num {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--primary-blue);
      color: #ffffff;
      font-weight: 800;
      font-size: 1rem;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
    }

    .step-card h3 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .step-card p {
      font-size: 0.88rem;
      color: var(--text-sub);
      line-height: 1.55;
    }

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

    .gallery-img-box {
      border-radius: var(--radius-sm);
      overflow: hidden;
      border: 1px solid var(--border-color);
      background: #ffffff;
      padding: 6px;
      box-shadow: var(--shadow-sm);
    }

    .gallery-img-box img {
      width: 100%;
      height: 180px;
      object-fit: cover;
      border-radius: 4px;
    }

    /* 对比评测表格 */
    .review-score-hero {
      background: linear-gradient(135deg, #0b45d6 0%, #0056ff 100%);
      color: #ffffff;
      padding: 32px;
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 24px;
      flex-wrap: wrap;
      gap: 20px;
    }

    .score-left h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .score-left p {
      font-size: 0.96rem;
      opacity: 0.9;
    }

    .score-right {
      display: flex;
      align-items: baseline;
      gap: 12px;
      background: rgba(255, 255, 255, 0.15);
      padding: 16px 28px;
      border-radius: var(--radius-md);
      backdrop-filter: blur(4px);
    }

    .score-big {
      font-size: 3rem;
      font-weight: 900;
      line-height: 1;
    }

    .score-meta {
      font-size: 0.95rem;
      font-weight: 600;
    }

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

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

    .custom-compare-table th,
    .custom-compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.92rem;
    }

    .custom-compare-table th {
      background-color: #f8faff;
      color: var(--text-main);
      font-weight: 700;
    }

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

    .col-highlight {
      background-color: #f2f7ff;
      font-weight: 600;
      color: var(--primary-blue);
    }

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

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

    .review-text {
      font-size: 0.94rem;
      color: var(--text-main);
      line-height: 1.65;
      margin-bottom: 20px;
      position: relative;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f0f3f8;
      padding-top: 14px;
    }

    .reviewer-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #e0ebff;
      color: var(--primary-blue);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1rem;
    }

    .reviewer-info h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

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

    /* Token 比价与加盟代理 */
    .pricing-agent-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      margin-top: 24px;
    }

    .action-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .action-box h3 {
      font-size: 1.35rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .action-box p {
      font-size: 0.95rem;
      color: var(--text-sub);
      line-height: 1.65;
      margin-bottom: 20px;
    }

    .feature-list {
      list-style: none;
      margin-bottom: 24px;
    }

    .feature-list li {
      font-size: 0.92rem;
      color: var(--text-main);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .feature-list li::before {
      content: "✓";
      color: var(--primary-blue);
      font-weight: bold;
    }

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

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      overflow: hidden;
      transition: border-color 0.25s ease;
    }

    .faq-item.active {
      border-color: var(--primary-blue);
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
      background: #ffffff;
    }

    .faq-question:hover {
      color: var(--primary-blue);
    }

    .faq-icon {
      font-size: 1.2rem;
      font-weight: normal;
      transition: transform 0.3s ease;
    }

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

    .faq-answer {
      display: none;
      padding: 0 24px 20px;
      font-size: 0.94rem;
      color: var(--text-sub);
      line-height: 1.7;
    }

    /* 资讯与百科 */
    .articles-block {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }

    .article-links-container {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 14px;
      margin-top: 16px;
    }

    .article-anchor-card {
      display: block;
      padding: 14px 18px;
      background: var(--bg-page);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      color: var(--text-main);
      font-weight: 500;
    }

    .article-anchor-card:hover {
      background: #ffffff;
      border-color: var(--primary-blue);
      color: var(--primary-blue);
      transform: translateX(4px);
    }

    /* 联系我们与表单 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 32px;
    }

    .contact-info-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .contact-info-card h3 {
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .contact-item-row {
      margin-bottom: 16px;
      font-size: 0.94rem;
      color: var(--text-sub);
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }

    .contact-item-row strong {
      color: var(--text-main);
      min-width: 80px;
    }

    .contact-qr-wrapper {
      margin-top: 24px;
      display: flex;
      align-items: center;
      gap: 20px;
      background: #f8faff;
      padding: 16px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
    }

    .contact-qr-wrapper img {
      width: 100px;
      height: 100px;
      object-fit: cover;
      border-radius: 4px;
      background: #ffffff;
    }

    .contact-qr-desc h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .contact-qr-desc p {
      font-size: 0.85rem;
      color: var(--text-sub);
      line-height: 1.5;
    }

    .form-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .form-box h3 {
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 20px;
    }

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

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      font-size: 0.92rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      outline: none;
      background-color: #fdfdfd;
      font-family: inherit;
      transition: border-color 0.2s;
    }

    .form-control:focus {
      border-color: var(--primary-blue);
      background-color: #ffffff;
    }

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

    .btn-submit {
      width: 100%;
      padding: 14px;
      background-color: var(--primary-blue);
      color: #ffffff;
      border: none;
      border-radius: var(--radius-sm);
      font-size: 1rem;
      font-weight: 700;
      cursor: pointer;
      transition: background 0.25s;
    }

    .btn-submit:hover {
      background-color: var(--primary-hover);
    }

    /* 页脚与友情链接 */
    .site-footer {
      background-color: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 50px 0 30px;
      color: var(--text-sub);
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 36px;
    }

    .footer-col h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links-list li a {
      font-size: 0.88rem;
      color: var(--text-sub);
    }

    .footer-links-list li a:hover {
      color: var(--primary-blue);
    }

    .friend-links-wrap {
      border-top: 1px solid var(--border-color);
      padding-top: 24px;
      margin-bottom: 24px;
    }

    .friend-links-title {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .friend-links-items {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .friend-links-items a {
      font-size: 0.85rem;
      color: var(--text-sub);
    }

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

    .footer-bottom {
      border-top: 1px solid #f0f3f8;
      padding-top: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.85rem;
      color: var(--text-light);
    }

    /* 悬浮客服面板 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 80px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .widget-btn {
      width: 48px;
      height: 48px;
      background: #ffffff;
      color: var(--primary-blue);
      border-radius: 50%;
      border: 1px solid var(--border-accent);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      cursor: pointer;
      position: relative;
    }

    .widget-btn:hover {
      background: var(--primary-blue);
      color: #ffffff;
    }

    .widget-popover {
      display: none;
      position: absolute;
      right: 60px;
      top: -20px;
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      width: 140px;
      text-align: center;
    }

    .widget-popover img {
      width: 100%;
      height: auto;
      margin-bottom: 6px;
    }

    .widget-popover p {
      font-size: 0.78rem;
      color: var(--text-main);
      font-weight: 600;
    }

    .widget-btn.has-popover:hover .widget-popover {
      display: block;
    }

    /* 响应式样式适配 */
    @media (max-width: 992px) {
      .hero-title {
        font-size: 2.2rem;
      }
      .hero-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-feature-grid,
      .services-grid,
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .banner-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-grid {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .showcase-media-row {
        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-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-toggle-btn {
        display: block;
      }
      .hero-title {
        font-size: 1.85rem;
      }
      .hero-subtitle {
        font-size: 1rem;
      }
      .about-feature-grid,
      .services-grid,
      .reviews-grid,
      .steps-grid,
      .banner-gallery-grid,
      .pricing-agent-grid {
        grid-template-columns: 1fr;
      }
      .section-wrap {
        padding: 50px 0;
      }
    }