:root {
      --candy-pink: #ff5e84;
      --candy-purple: #7952f5;
      --candy-cyan: #00d2d3;
      --candy-amber: #ff9f43;
      --candy-yellow: #feca57;
      --candy-blue: #2e86de;
      --candy-bg-soft: #f9f9ff;
      --candy-card-bg: #ffffff;
      --text-main: #1e272e;
      --text-secondary: #485460;
      --text-muted: #808e9b;
      --border-color: #f1f2f6;
      --shadow-soft: 0 10px 30px rgba(121, 82, 245, 0.08);
      --shadow-hover: 0 16px 36px rgba(121, 82, 245, 0.16);
      --radius-lg: 20px;
      --radius-md: 12px;
      --radius-sm: 8px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background: linear-gradient(180deg, #faf5ff 0%, #f0f7ff 35%, #fff5f8 70%, #f9f9ff 100%);
      color: var(--text-main);
      line-height: 1.65;
      font-size: 16px;
      min-width: 320px;
      overflow-x: hidden;
    }

    .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: 999;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      box-shadow: 0 2px 16px rgba(121, 82, 245, 0.06);
      border-bottom: 1px solid rgba(241, 242, 246, 0.8);
    }

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

    .brand-logo-wrap {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      flex-shrink: 0;
    }

    .brand-logo-wrap .ai-page-logo {
      height: 42px;
      width: auto;
      display: block;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      background: linear-gradient(135deg, var(--candy-purple), var(--candy-pink));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      color: var(--text-secondary);
      text-decoration: none;
      font-size: 0.95rem;
      font-weight: 500;
      border-radius: 20px;
      transition: all 0.25s ease;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--candy-purple);
      background-color: rgba(121, 82, 245, 0.08);
    }

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

    .btn-candy {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      padding: 10px 22px;
      border-radius: 30px;
      text-decoration: none;
      transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
      cursor: pointer;
      border: none;
      font-size: 0.95rem;
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--candy-purple), var(--candy-pink));
      color: #ffffff;
      box-shadow: 0 4px 15px rgba(121, 82, 245, 0.3);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 22px rgba(255, 94, 132, 0.4);
      color: #ffffff;
    }

    .btn-secondary {
      background: #ffffff;
      color: var(--candy-purple);
      border: 1.5px solid rgba(121, 82, 245, 0.3);
    }

    .btn-secondary:hover {
      background: rgba(121, 82, 245, 0.05);
      border-color: var(--candy-purple);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

    .mobile-menu-btn span {
      display: block;
      width: 24px;
      height: 2.5px;
      background-color: var(--text-main);
      margin: 5px 0;
      border-radius: 2px;
      transition: 0.3s;
    }

    /* 通用区块排版 */
    section {
      padding: 70px 0;
      position: relative;
    }

    .section-head {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 46px;
    }

    .badge-tag {
      display: inline-block;
      padding: 6px 14px;
      background: rgba(121, 82, 245, 0.1);
      color: var(--candy-purple);
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 700;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    /* 首屏 Hero 无图片区 */
    .hero-section {
      padding: 75px 0 50px;
      background: radial-gradient(circle at 50% 20%, rgba(254, 202, 87, 0.22) 0%, rgba(255, 94, 132, 0.15) 30%, rgba(121, 82, 245, 0.08) 65%, transparent 90%);
      position: relative;
    }

    .hero-content {
      text-align: center;
      max-width: 880px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      padding: 6px 18px;
      border-radius: 30px;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--candy-pink);
      box-shadow: 0 4px 18px rgba(255, 94, 132, 0.15);
      margin-bottom: 24px;
      border: 1px solid rgba(255, 94, 132, 0.2);
    }

    .hero-title {
      font-size: 2.75rem;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      color: #1a1a2e;
      letter-spacing: -1px;
    }

    .hero-title .gradient-text {
      background: linear-gradient(120deg, #7952f5 0%, #ff5e84 60%, #ff9f43 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.18rem;
      color: var(--text-secondary);
      max-width: 720px;
      margin: 0 auto 34px;
      line-height: 1.7;
    }

    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 45px;
    }

    .hero-cta-group .btn-lg {
      padding: 14px 34px;
      font-size: 1.05rem;
      border-radius: 36px;
    }

    /* 首屏数据指标卡 */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 10px;
    }

    .metric-card {
      background: #ffffff;
      padding: 22px 16px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--border-color);
      text-align: center;
      transition: transform 0.3s ease;
    }

    .metric-card:hover {
      transform: translateY(-4px);
    }

    .metric-value {
      font-size: 1.9rem;
      font-weight: 800;
      color: var(--candy-purple);
      margin-bottom: 4px;
    }

    .metric-label {
      font-size: 0.88rem;
      color: var(--text-secondary);
      font-weight: 500;
    }

    /* 平台介绍与关于我们 */
    .intro-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-soft);
      border: 1px solid rgba(121, 82, 245, 0.12);
      margin-bottom: 30px;
    }

    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .intro-text h3 {
      font-size: 1.65rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .intro-text p {
      color: var(--text-secondary);
      margin-bottom: 16px;
      font-size: 1rem;
      line-height: 1.7;
    }

    .intro-highlights {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-top: 22px;
    }

    .highlight-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      background: var(--candy-bg-soft);
      padding: 12px;
      border-radius: var(--radius-sm);
      border-left: 3px solid var(--candy-pink);
    }

    .highlight-item div strong {
      display: block;
      font-size: 0.95rem;
      color: var(--text-main);
    }

    .highlight-item div span {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    .intro-media-card {
      background: linear-gradient(135deg, rgba(121, 82, 245, 0.05), rgba(255, 94, 132, 0.05));
      border-radius: var(--radius-md);
      padding: 14px;
      border: 1px solid rgba(121, 82, 245, 0.15);
      text-align: center;
    }

    .intro-media-card img {
      width: 100%;
      height: auto;
      border-radius: var(--radius-sm);
      display: block;
      box-shadow: 0 4px 14px rgba(0,0,0,0.06);
    }

    .caption-note {
      font-size: 0.82rem;
      color: var(--text-muted);
      margin-top: 8px;
    }

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

    .service-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 28px 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      position: relative;
      overflow: hidden;
    }

    .service-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--candy-purple), var(--candy-pink));
      opacity: 0;
      transition: opacity 0.3s ease;
    }

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

    .service-card:hover::before {
      opacity: 1;
    }

    .service-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(121, 82, 245, 0.12), rgba(255, 94, 132, 0.12));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 16px;
      color: var(--candy-purple);
    }

    .service-title {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .service-desc {
      font-size: 0.92rem;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }

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

    .service-tags span {
      font-size: 0.78rem;
      padding: 4px 8px;
      background: #f1f2f6;
      color: var(--text-secondary);
      border-radius: 4px;
    }

    /* 模型矩阵胶囊标签 */
    .model-pills-wrap {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 30px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
      margin-top: 40px;
    }

    .model-pills-title {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 16px;
      text-align: center;
      color: var(--text-main);
    }

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

    .model-pill {
      font-size: 0.88rem;
      padding: 6px 14px;
      background: #f8f9fe;
      color: var(--text-secondary);
      border: 1px solid #e8eaf6;
      border-radius: 20px;
      font-weight: 500;
      transition: all 0.2s ease;
    }

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

    /* 流程步骤 */
    .steps-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

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

    .step-number {
      font-size: 2rem;
      font-weight: 900;
      color: rgba(121, 82, 245, 0.18);
      position: absolute;
      top: 14px;
      right: 18px;
      line-height: 1;
    }

    .step-box h4 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

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

    /* 案例中心 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 26px;
    }

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

    .case-img-wrap {
      width: 100%;
      height: 220px;
      background: #f1f2f6;
      overflow: hidden;
    }

    .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-content {
      padding: 22px;
    }

    .case-title {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .case-text {
      font-size: 0.9rem;
      color: var(--text-secondary);
      margin-bottom: 14px;
    }

    .case-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.82rem;
      color: var(--candy-purple);
      font-weight: 600;
    }

    /* 对比评测板块 */
    .review-score-banner {
      background: linear-gradient(135deg, #7952f5, #ff5e84);
      color: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 30px;
      box-shadow: 0 10px 25px rgba(121, 82, 245, 0.25);
    }

    .score-left h3 {
      font-size: 1.45rem;
      font-weight: 800;
      margin-bottom: 4px;
    }

    .score-left p {
      font-size: 0.95rem;
      opacity: 0.92;
    }

    .score-right {
      display: flex;
      align-items: baseline;
      gap: 6px;
    }

    .score-big {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1;
    }

    .score-max {
      font-size: 1.1rem;
      opacity: 0.85;
    }

    .score-stars {
      color: var(--candy-yellow);
      font-size: 1.3rem;
      margin-left: 10px;
    }

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

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

    .comparison-table th,
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f1f2f6;
    }

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

    .comparison-table td.brand-col {
      font-weight: 700;
      color: var(--candy-purple);
      background: rgba(121, 82, 245, 0.02);
    }

    .tag-best {
      display: inline-block;
      padding: 2px 8px;
      background: var(--candy-pink);
      color: #fff;
      font-size: 0.72rem;
      border-radius: 4px;
      margin-left: 6px;
    }

    /* 用户评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

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

    .review-quote {
      font-size: 0.92rem;
      color: var(--text-secondary);
      line-height: 1.65;
      margin-bottom: 18px;
      position: relative;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px dashed #f1f2f6;
      padding-top: 14px;
    }

    .author-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--candy-purple), var(--candy-cyan));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
      flex-shrink: 0;
    }

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

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

    /* FAQ 折叠面板 */
    .faq-list {
      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-color);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
    }

    .faq-question {
      padding: 18px 22px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 700;
      font-size: 1rem;
      color: var(--text-main);
      background: #ffffff;
      transition: background 0.2s;
    }

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

    .faq-toggle-icon {
      font-size: 1.2rem;
      color: var(--candy-purple);
      transition: transform 0.3s;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
      background: #fafaff;
      border-top: 1px solid transparent;
    }

    .faq-item.active .faq-answer {
      border-color: #f1f2f6;
    }

    .faq-answer-inner {
      padding: 18px 22px;
      font-size: 0.92rem;
      color: var(--text-secondary);
      line-height: 1.7;
    }

    /* 最新文章与资讯 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .article-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 22px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
      display: flex;
      flex-direction: column;
    }

    .article-date {
      font-size: 0.8rem;
      color: var(--candy-pink);
      font-weight: 600;
      margin-bottom: 8px;
    }

    .article-title-link {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      text-decoration: none;
      margin-bottom: 10px;
      line-height: 1.45;
      transition: color 0.2s;
    }

    .article-title-link:hover {
      color: var(--candy-purple);
    }

    .article-snippet {
      font-size: 0.88rem;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .article-more {
      font-size: 0.85rem;
      color: var(--candy-purple);
      font-weight: 600;
      text-decoration: none;
    }

    /* 需求匹配与联系我们表单 */
    .contact-container {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-soft);
      border: 1px solid rgba(121, 82, 245, 0.15);
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
    }

    .contact-info-side {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .info-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin: 24px 0;
    }

    .info-row {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.95rem;
      color: var(--text-secondary);
    }

    .info-icon {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: rgba(121, 82, 245, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--candy-purple);
      font-size: 0.95rem;
      flex-shrink: 0;
    }

    .qr-group {
      display: flex;
      align-items: center;
      gap: 16px;
      background: #fafaff;
      padding: 16px;
      border-radius: var(--radius-md);
      border: 1px dashed rgba(121, 82, 245, 0.2);
    }

    .qr-group img {
      width: 90px;
      height: 90px;
      border-radius: var(--radius-sm);
      display: block;
      border: 1px solid #e1e2e6;
    }

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

    .qr-txt p {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.4;
    }

    .contact-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

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

    .form-group label {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-input,
    .form-select,
    .form-textarea {
      width: 100%;
      padding: 12px 14px;
      border: 1.5px solid #e1e2e6;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      outline: none;
      transition: border-color 0.2s;
      background: #ffffff;
    }

    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
      border-color: var(--candy-purple);
    }

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

    /* 加盟代理与横幅 */
    .partner-banner {
      background: linear-gradient(120deg, #1e272e, #2d3436);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
      box-shadow: 0 14px 30px rgba(0,0,0,0.12);
      margin-top: 40px;
    }

    .partner-txt h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 10px;
      color: #feca57;
    }

    .partner-txt p {
      font-size: 0.98rem;
      color: #dfe6e9;
      max-width: 650px;
    }

    /* 友情链接与底部 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 50px 0 30px;
      margin-top: 60px;
      color: var(--text-secondary);
    }

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

    .footer-brand h4 {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 0.9rem;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .footer-links-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
    }

    .footer-links-list {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-links-list a {
      color: var(--text-secondary);
      text-decoration: none;
      font-size: 0.9rem;
      transition: color 0.2s;
    }

    .footer-links-list a:hover {
      color: var(--candy-purple);
    }

    .friend-links-area {
      border-top: 1px solid #f1f2f6;
      padding-top: 24px;
      margin-bottom: 24px;
    }

    .friend-links-area span {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
      margin-right: 12px;
      display: inline-block;
      margin-bottom: 8px;
    }

    .friend-links-area a {
      color: var(--text-secondary);
      text-decoration: none;
      font-size: 0.88rem;
      margin-right: 16px;
      display: inline-block;
      margin-bottom: 8px;
      transition: color 0.2s;
    }

    .friend-links-area a:hover {
      color: var(--candy-purple);
    }

    .footer-bottom {
      border-top: 1px solid #f1f2f6;
      padding-top: 20px;
      text-align: center;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 悬浮客服挂件 */
    .float-widget {
      position: fixed;
      right: 20px;
      bottom: 40px;
      z-index: 998;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--candy-purple), var(--candy-pink));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      box-shadow: 0 6px 18px rgba(121, 82, 245, 0.35);
      cursor: pointer;
      border: none;
      transition: transform 0.2s;
    }

    .float-btn:hover {
      transform: scale(1.08);
    }

    /* 响应式媒体查询 */
    @media (max-width: 992px) {
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-row {
        grid-template-columns: repeat(2, 1fr);
      }
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .cases-grid {
        grid-template-columns: 1fr;
      }
      .intro-grid {
        grid-template-columns: 1fr;
      }
      .contact-container {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .partner-banner {
        flex-direction: column;
        text-align: center;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.08);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
        text-align: center;
      }
      .nav-links li a {
        display: block;
        padding: 10px;
      }
      .hero-title {
        font-size: 2.1rem;
      }
      .services-grid {
        grid-template-columns: 1fr;
      }
      .articles-grid {
        grid-template-columns: 1fr;
      }
      .steps-row {
        grid-template-columns: 1fr;
      }
      .review-score-banner {
        flex-direction: column;
        text-align: center;
        gap: 16px;
      }
      .section-title {
        font-size: 1.7rem;
      }
    }