:root {
      --primary: #c91818;
      --primary-hover: #a51212;
      --primary-light: #fff0f0;
      --primary-border: #f8c8c8;
      --accent: #ff4d4f;
      --text-main: #1f1f24;
      --text-secondary: #575762;
      --text-muted: #888896;
      --bg-main: #faf8f8;
      --bg-surface: #ffffff;
      --bg-tint: #fef4f4;
      --border-color: #ede5e5;
      --border-subtle: #f0e6e6;
      --shadow-sm: 0 2px 6px rgba(180, 20, 20, 0.04);
      --shadow-md: 0 8px 24px rgba(180, 20, 20, 0.08);
      --shadow-lg: 0 16px 36px rgba(180, 20, 20, 0.12);
      --radius: 12px;
      --radius-sm: 6px;
      --radius-lg: 18px;
      --transition: all 0.28s ease;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

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

    .container {
      width: 100%;
      max-width: 1200px;
      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-color);
      box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    }

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

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

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

    .brand-text {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.5px;
    }

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

    .nav-links li a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-secondary);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
    }

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

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(201, 24, 24, 0.32);
    }

    .btn-primary:hover {
      box-shadow: 0 6px 20px rgba(201, 24, 24, 0.45);
      transform: translateY(-1px);
      color: #ffffff;
    }

    .btn-outline {
      border-color: var(--primary);
      color: var(--primary);
      background: #ffffff;
    }

    .btn-outline:hover {
      background: var(--primary-light);
    }

    .btn-sm {
      padding: 6px 14px;
      font-size: 0.85rem;
    }

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

    .mobile-menu-btn span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text-main);
      margin: 5px 0;
      transition: var(--transition);
    }

    /* 模块通用样式 */
    .section {
      padding: 80px 0;
      position: relative;
    }

    .section-tint {
      background-color: var(--bg-tint);
      border-top: 1px solid var(--border-subtle);
      border-bottom: 1px solid var(--border-subtle);
    }

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

    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      background: var(--primary-light);
      border: 1px solid var(--primary-border);
      color: var(--primary);
      font-size: 0.85rem;
      font-weight: 600;
      border-radius: 20px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 16px;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-secondary);
      line-height: 1.7;
    }

    /* 首屏 Hero 无图片纯科技质感 */
    .hero-section {
      padding: 90px 0 80px 0;
      background: radial-gradient(circle at 50% 20%, #fff7f7 0%, var(--bg-main) 100%);
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-content {
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    .hero-tagline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      border-radius: 30px;
      background: #ffffff;
      border: 1px solid var(--primary-border);
      color: var(--primary);
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-title {
      font-size: 3rem;
      font-weight: 900;
      line-height: 1.25;
      color: #111116;
      margin-bottom: 24px;
      letter-spacing: -1px;
    }

    .hero-title span {
      color: var(--primary);
      position: relative;
      display: inline-block;
    }

    .hero-desc {
      font-size: 1.2rem;
      color: var(--text-secondary);
      line-height: 1.8;
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-cta {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 18px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }

    .hero-cta .btn {
      padding: 14px 34px;
      font-size: 1.05rem;
    }

    /* 首屏数据指标卡片 */
    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      max-width: 1000px;
      margin: 0 auto;
    }

    .metric-card {
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius);
      padding: 22px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .metric-num {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 8px;
    }

    .metric-num sub {
      font-size: 1rem;
      font-weight: 600;
    }

    .metric-label {
      font-size: 0.9rem;
      color: var(--text-secondary);
      font-weight: 500;
    }

    /* 平台核心模型支持跑马灯/标签云 */
    .model-strip {
      padding: 24px 0;
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
    }

    .model-strip-inner {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      gap: 10px;
    }

    .model-badge {
      display: inline-flex;
      align-items: center;
      padding: 6px 14px;
      background: var(--bg-main);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--text-secondary);
      transition: var(--transition);
    }

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

    /* 关于我们 / 平台介绍 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .about-info h3 {
      font-size: 1.8rem;
      font-weight: 700;
      margin-bottom: 18px;
      line-height: 1.3;
      color: var(--text-main);
    }

    .about-info p {
      font-size: 1rem;
      color: var(--text-secondary);
      line-height: 1.8;
      margin-bottom: 16px;
    }

    .about-list {
      list-style: none;
      margin-top: 20px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .about-list li {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.95rem;
      color: var(--text-main);
      font-weight: 500;
    }

    .about-list li::before {
      content: "✓";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 20px;
      height: 20px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 50%;
      font-size: 0.75rem;
      font-weight: bold;
    }

    .about-cards-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .about-feature-box {
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .about-feature-box:hover {
      border-color: var(--primary-border);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .about-feature-box h4 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--primary);
    }

    .about-feature-box p {
      font-size: 0.88rem;
      color: var(--text-secondary);
      line-height: 1.6;
    }

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

    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 30px 24px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .service-card-top {
      margin-bottom: 20px;
    }

    .service-icon {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 18px;
      font-weight: 700;
    }

    .service-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .service-card p {
      font-size: 0.92rem;
      color: var(--text-secondary);
      line-height: 1.7;
    }

    .service-tag-list {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 16px;
    }

    .service-tag {
      font-size: 0.75rem;
      background: var(--bg-main);
      color: var(--text-muted);
      padding: 3px 8px;
      border-radius: 4px;
      border: 1px solid var(--border-subtle);
    }

    /* 一站式创作特色能力 - 多列矩阵 */
    .features-matrix {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .feature-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 22px;
      transition: var(--transition);
    }

    .feature-item:hover {
      border-color: var(--primary-border);
      background: #fffafa;
    }

    .feature-item h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .feature-item h4::before {
      content: "";
      width: 4px;
      height: 14px;
      background: var(--primary);
      border-radius: 2px;
      display: inline-block;
    }

    .feature-item p {
      font-size: 0.86rem;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    /* 标准服务流程时间线 */
    .timeline-wrap {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .timeline-step {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px 18px;
      text-align: center;
      position: relative;
      transition: var(--transition);
    }

    .timeline-step:hover {
      border-color: var(--primary);
      transform: translateY(-3px);
    }

    .step-idx {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 1rem;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 14px auto;
      border: 1px solid var(--primary-border);
    }

    .timeline-step h4 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .timeline-step p {
      font-size: 0.82rem;
      color: var(--text-secondary);
      line-height: 1.5;
    }

    /* 案例中心展示 */
    .showcase-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

    .showcase-card {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .showcase-card:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--primary-border);
    }

    .showcase-img-box {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #f0e8e8;
      overflow: hidden;
    }

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

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

    .showcase-body {
      padding: 24px;
    }

    .showcase-body h4 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .showcase-body p {
      font-size: 0.9rem;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 14px;
    }

    .showcase-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.82rem;
      color: var(--text-muted);
      border-top: 1px solid var(--border-subtle);
      padding-top: 12px;
    }

    /* 对比评测卡片与表格 */
    .compare-wrapper {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .eval-summary-card {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: var(--bg-tint);
      border: 1px solid var(--primary-border);
      border-radius: var(--radius);
      padding: 24px 30px;
      margin-bottom: 30px;
    }

    .eval-score-box {
      display: flex;
      align-items: baseline;
      gap: 12px;
    }

    .eval-stars {
      color: #ff9800;
      font-size: 1.4rem;
      letter-spacing: 2px;
    }

    .eval-score {
      font-size: 2.5rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
    }

    .eval-total {
      font-size: 1.1rem;
      color: var(--text-muted);
    }

    .eval-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .eval-desc {
      font-size: 0.9rem;
      color: var(--text-secondary);
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
    }

    .custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
    }

    .custom-table th,
    .custom-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-subtle);
    }

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

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

    .custom-table .highlight-col {
      background: #fff9f9;
      font-weight: 600;
      color: var(--primary);
    }

    /* 需求匹配与提交表单 */
    .form-section-inner {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }

    .form-info h3 {
      font-size: 1.6rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .form-info p {
      font-size: 0.95rem;
      color: var(--text-secondary);
      line-height: 1.8;
      margin-bottom: 24px;
    }

    .info-list-items {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .info-item-block {
      display: flex;
      align-items: flex-start;
      gap: 14px;
    }

    .info-item-block .dot {
      width: 8px;
      height: 8px;
      background: var(--primary);
      border-radius: 50%;
      margin-top: 8px;
      flex-shrink: 0;
    }

    .info-item-block h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .info-item-block p {
      font-size: 0.85rem;
      color: var(--text-secondary);
      margin-bottom: 0;
      line-height: 1.5;
    }

    .app-form {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

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

    .form-group label {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
    }

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

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(201, 24, 24, 0.12);
    }

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

    /* 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);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

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

    .review-body {
      font-size: 0.92rem;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: italic;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-subtle);
      padding-top: 14px;
    }

    .author-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
    }

    .author-meta h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .author-meta span {
      font-size: 0.78rem;
      color: var(--text-muted);
    }

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

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

    .faq-item.active {
      border-color: var(--primary-border);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      padding: 18px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      user-select: none;
      font-weight: 600;
      font-size: 1.02rem;
      color: var(--text-main);
    }

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

    .faq-icon {
      font-size: 1.2rem;
      transition: transform 0.3s ease;
      color: var(--text-muted);
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      padding: 0 24px;
      color: var(--text-secondary);
      font-size: 0.92rem;
      line-height: 1.7;
    }

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

    /* 行业资讯 & 最新文章 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .news-card:hover {
      border-color: var(--primary);
      transform: translateY(-3px);
      box-shadow: var(--shadow-sm);
    }

    .news-card h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.5;
    }

    .news-card p {
      font-size: 0.88rem;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .news-links-box {
      background: var(--bg-tint);
      border: 1px dashed var(--primary-border);
      border-radius: var(--radius);
      padding: 20px;
      margin-top: 30px;
    }

    .news-links-box h5 {
      font-size: 0.95rem;
      color: var(--primary);
      margin-bottom: 10px;
    }

    .article-pill-group {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .article-pill {
      font-size: 0.82rem;
      background: #ffffff;
      padding: 6px 14px;
      border-radius: 20px;
      border: 1px solid var(--border-color);
      color: var(--text-secondary);
    }

    .article-pill:hover {
      border-color: var(--primary);
      color: var(--primary);
    }

    /* 加盟代理与横幅展示 */
    .partner-banner {
      background: linear-gradient(135deg, #b91515 0%, #870d0d 100%);
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      color: #ffffff;
      display: grid;
      grid-template-columns: 1.4fr 1fr;
      gap: 30px;
      align-items: center;
      box-shadow: var(--shadow-lg);
    }

    .partner-content h3 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 14px;
      line-height: 1.3;
      color: #ffffff;
    }

    .partner-content p {
      font-size: 1.05rem;
      opacity: 0.9;
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .partner-perks {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 28px;
    }

    .perk-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.92rem;
      font-weight: 600;
    }

    .perk-item span {
      display: inline-flex;
      width: 18px;
      height: 18px;
      background: rgba(255,255,255,0.25);
      border-radius: 50%;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
    }

    .partner-qr-box {
      background: #ffffff;
      border-radius: var(--radius);
      padding: 24px;
      text-align: center;
      color: var(--text-main);
      box-shadow: var(--shadow-md);
      max-width: 280px;
      margin: 0 auto;
    }

    .partner-qr-box img {
      width: 150px;
      height: 150px;
      margin: 0 auto 12px auto;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
    }

    .partner-qr-box p {
      font-size: 0.85rem;
      color: var(--text-secondary);
      font-weight: 600;
    }

    /* 视觉素材画廊 */
    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 30px;
    }

    .gallery-item {
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--border-color);
      aspect-ratio: 4 / 3;
      background: #eee;
    }

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

    .gallery-item:hover img {
      transform: scale(1.05);
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #18181b;
      color: #a1a1aa;
      padding: 60px 0 30px 0;
      border-top: 1px solid #27272a;
    }

    .footer-main {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 18px;
    }

    .footer-about p {
      font-size: 0.88rem;
      line-height: 1.7;
      margin-bottom: 16px;
      color: #d4d4d8;
    }

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

    .footer-links-list li a {
      font-size: 0.88rem;
      color: #a1a1aa;
    }

    .footer-links-list li a:hover {
      color: #ffffff;
      padding-left: 4px;
    }

    .footer-contact-info {
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.88rem;
    }

    .footer-contact-info span {
      color: #ffffff;
      font-weight: 600;
    }

    .footer-friend-links {
      border-top: 1px solid #27272a;
      padding: 24px 0;
      margin-bottom: 24px;
    }

    .footer-friend-links h5 {
      color: #ffffff;
      font-size: 0.9rem;
      margin-bottom: 12px;
    }

    .friend-links-group {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .friend-links-group a {
      font-size: 0.84rem;
      color: #a1a1aa;
      padding: 4px 10px;
      background: #27272a;
      border-radius: 4px;
    }

    .friend-links-group a:hover {
      color: #ffffff;
      background: var(--primary);
    }

    .footer-bottom {
      border-top: 1px solid #27272a;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.82rem;
    }

    .footer-bottom p {
      color: #71717a;
    }

    /* 浮动客服入口 */
    .float-panel {
      position: fixed;
      right: 20px;
      bottom: 80px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

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

    .float-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: scale(1.08);
    }

    .float-popover {
      position: absolute;
      right: 58px;
      top: 50%;
      transform: translateY(-50%);
      background: #ffffff;
      padding: 14px;
      border-radius: var(--radius);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      display: none;
      flex-direction: column;
      align-items: center;
      width: 170px;
      text-align: center;
    }

    .float-popover img {
      width: 120px;
      height: 120px;
      margin-bottom: 8px;
    }

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

    .float-btn:hover .float-popover {
      display: flex;
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .services-grid,
      .features-matrix,
      .reviews-grid,
      .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .timeline-wrap {
        grid-template-columns: repeat(3, 1fr);
      }
      .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-main {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .hero-title {
        font-size: 2.1rem;
      }
      .hero-metrics {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid,
      .form-section-inner,
      .partner-banner {
        grid-template-columns: 1fr;
      }
      .services-grid,
      .features-matrix,
      .reviews-grid,
      .news-grid,
      .showcase-grid {
        grid-template-columns: 1fr;
      }
      .timeline-wrap {
        grid-template-columns: 1fr;
      }
      .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;
      }
      .mobile-menu-btn {
        display: block;
      }
      .eval-summary-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
      }
      .footer-main {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
    }