:root {
      --primary-purple: #7928ca;
      --primary-gradient: linear-gradient(135deg, #7928ca 0%, #ff0080 100%);
      --soft-purple-bg: #f8f6fc;
      --card-bg: #ffffff;
      --text-main: #1f1d2b;
      --text-muted: #5e5873;
      --text-light: #827d97;
      --border-color: #ede8f5;
      --border-hover: #d8cbeb;
      --accent-neon: #9b51e0;
      --accent-pink: #f72585;
      --shadow-sm: 0 4px 12px rgba(121, 40, 202, 0.05);
      --shadow-md: 0 10px 30px rgba(121, 40, 202, 0.08);
      --shadow-lg: 0 16px 40px rgba(121, 40, 202, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --transition: all 0.28s ease;
    }

    * {
      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(--soft-purple-bg);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

    ul, ol {
      list-style: none;
    }

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

    .site-container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    .section-wrap {
      padding: 70px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      margin-bottom: 48px;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background: rgba(121, 40, 202, 0.08);
      color: var(--primary-purple);
      font-size: 0.85rem;
      font-weight: 600;
      border-radius: 30px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 70px;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 1.25rem;
      color: var(--primary-purple);
    }

    .brand-logo .ai-page-logo {
      height: 38px;
      width: auto;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }

    .nav-item {
      padding: 8px 12px;
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
    }

    .nav-item:hover {
      color: var(--primary-purple);
      background: rgba(121, 40, 202, 0.05);
    }

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

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

    .btn-primary {
      background: var(--primary-gradient);
      color: #ffffff;
      box-shadow: 0 4px 15px rgba(247, 37, 133, 0.28);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(121, 40, 202, 0.35);
    }

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

    .btn-outline:hover {
      background: rgba(121, 40, 202, 0.05);
      border-color: var(--primary-purple);
    }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
    }

    /* 首屏 Hero (无图，纯CSS渐变氛围与卡片) */
    .hero-section {
      padding: 90px 0 60px;
      background: radial-gradient(circle at 80% 20%, rgba(247, 37, 133, 0.08), transparent 45%),
                  radial-gradient(circle at 20% 80%, rgba(121, 40, 202, 0.08), transparent 45%),
                  var(--soft-purple-bg);
      position: relative;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.85);
      border: 1px solid var(--border-hover);
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 0.88rem;
      color: var(--accent-neon);
      margin-bottom: 20px;
      font-weight: 600;
    }

    .hero-badge span {
      display: inline-block;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #00d084;
    }

    .hero-title {
      font-size: 2.75rem;
      line-height: 1.25;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-title-gradient {
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.1rem;
      color: var(--text-muted);
      margin-bottom: 32px;
      line-height: 1.7;
    }

    .hero-btns {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }

    .hero-portal-btn {
      padding: 13px 32px;
      font-size: 1.05rem;
    }

    .hero-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      border-top: 1px solid var(--border-color);
      padding-top: 24px;
    }

    .hero-stat-item h3 {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--primary-purple);
    }

    .hero-stat-item p {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* Hero 右侧动态交互卡片（无图片，纯CSS） */
    .hero-panel {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-lg);
      position: relative;
    }

    .hero-panel-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-panel-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .hero-panel-tag {
      font-size: 0.75rem;
      background: rgba(121, 40, 202, 0.1);
      color: var(--primary-purple);
      padding: 3px 10px;
      border-radius: 12px;
    }

    .hero-model-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 20px;
    }

    .chip {
      font-size: 0.78rem;
      padding: 5px 11px;
      border-radius: var(--radius-sm);
      background: var(--soft-purple-bg);
      color: var(--text-muted);
      border: 1px solid var(--border-color);
      font-weight: 500;
    }

    .chip.active {
      background: rgba(121, 40, 202, 0.12);
      color: var(--primary-purple);
      border-color: var(--accent-neon);
      font-weight: 600;
    }

    .hero-process-preview {
      background: var(--soft-purple-bg);
      border-radius: var(--radius-md);
      padding: 16px;
      border: 1px solid var(--border-color);
    }

    .preview-step {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
      font-size: 0.85rem;
    }

    .preview-step:last-child {
      margin-bottom: 0;
    }

    .step-dot {
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: var(--primary-purple);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.7rem;
      font-weight: bold;
    }

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

    .about-card-box {
      background: var(--card-bg);
      border-radius: var(--radius-lg);
      padding: 36px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .about-highlights {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 24px;
    }

    .highlight-item {
      background: var(--soft-purple-bg);
      padding: 18px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .highlight-item h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--primary-purple);
      margin-bottom: 6px;
    }

    .highlight-item p {
      font-size: 0.86rem;
      color: var(--text-muted);
    }

    .media-card-img {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
    }

    /* 服务与一站式制作卡片 */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 24px;
    }

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

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

    .service-card-top {
      margin-bottom: 16px;
    }

    .service-icon-box {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-sm);
      background: rgba(121, 40, 202, 0.08);
      color: var(--primary-purple);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      font-weight: bold;
      margin-bottom: 14px;
    }

    .service-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .service-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .service-tag-list {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 14px;
    }

    .service-sub-tag {
      font-size: 0.74rem;
      padding: 2px 8px;
      background: var(--soft-purple-bg);
      color: var(--text-light);
      border-radius: 4px;
    }

    /* 模型矩阵与生态 */
    .model-matrix-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
      margin-top: 30px;
    }

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

    .model-item-chip {
      background: var(--soft-purple-bg);
      border: 1px solid var(--border-color);
      padding: 8px 16px;
      border-radius: 30px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-muted);
      transition: var(--transition);
    }

    .model-item-chip:hover {
      background: var(--primary-purple);
      color: #fff;
      border-color: var(--primary-purple);
    }

    /* 标准流程时间线 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .timeline-step {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      position: relative;
      transition: var(--transition);
    }

    .timeline-step:hover {
      border-color: var(--primary-purple);
      box-shadow: var(--shadow-sm);
    }

    .step-number {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #fff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
    }

    .timeline-step h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .timeline-step p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 对比评测表格与评分卡片 */
    .rating-banner {
      background: linear-gradient(135deg, rgba(121, 40, 202, 0.06), rgba(247, 37, 133, 0.06));
      border: 1px solid var(--border-hover);
      border-radius: var(--radius-lg);
      padding: 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 30px;
      flex-wrap: wrap;
      gap: 20px;
    }

    .rating-info h3 {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .rating-stars {
      color: #ffb703;
      font-size: 1.2rem;
      margin-right: 8px;
    }

    .rating-score-box {
      text-align: right;
    }

    .rating-number {
      font-size: 2.4rem;
      font-weight: 900;
      color: var(--primary-purple);
      line-height: 1;
    }

    .rating-total {
      font-size: 1rem;
      color: var(--text-muted);
      font-weight: normal;
    }

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

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 600px;
    }

    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.9rem;
    }

    .compare-table th {
      background: var(--soft-purple-bg);
      color: var(--text-main);
      font-weight: 700;
    }

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

    .compare-table .highlight-col {
      background: rgba(121, 40, 202, 0.03);
      font-weight: 600;
      color: var(--primary-purple);
    }

    .check-mark {
      color: #00d084;
      font-weight: bold;
      margin-right: 4px;
    }

    /* 案例中心 & 行业方案 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .case-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .case-media {
      aspect-ratio: 16 / 10;
      background: var(--soft-purple-bg);
      overflow: hidden;
    }

    .case-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .case-content {
      padding: 20px;
    }

    .case-tag {
      font-size: 0.75rem;
      color: var(--accent-neon);
      font-weight: 600;
      margin-bottom: 6px;
    }

    .case-title {
      font-size: 1.08rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .case-desc {
      font-size: 0.86rem;
      color: var(--text-muted);
    }

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

    .review-card {
      background: var(--card-bg);
      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-quote {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
      font-style: italic;
    }

    .reviewer-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
    }

    .reviewer-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 0.9rem;
    }

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

    .reviewer-meta p {
      font-size: 0.78rem;
      color: var(--text-light);
    }

    /* Token 比价与算力优势 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .pricing-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      text-align: center;
      position: relative;
      transition: var(--transition);
    }

    .pricing-card.featured {
      border-color: var(--primary-purple);
      box-shadow: var(--shadow-md);
      background: linear-gradient(180deg, rgba(121, 40, 202, 0.02) 0%, #ffffff 100%);
    }

    .pricing-badge {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary-gradient);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 20px;
    }

    .pricing-title {
      font-size: 1.2rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .pricing-cost {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary-purple);
      margin-bottom: 16px;
    }

    .pricing-cost span {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: normal;
    }

    .pricing-features {
      text-align: left;
      margin: 20px 0 28px;
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    .pricing-features li {
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* FAQ 折叠面板 */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

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

    .faq-question {
      width: 100%;
      text-align: left;
      padding: 18px 24px;
      background: none;
      border: none;
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }

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

    .faq-icon {
      font-size: 1.2rem;
      transition: transform 0.25s ease;
      color: var(--accent-neon);
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      background: var(--soft-purple-bg);
      padding: 0 24px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      padding: 16px 24px 20px;
      max-height: 300px;
    }

    /* 需求匹配与表单 */
    .form-section-wrap {
      background: linear-gradient(135deg, rgba(121, 40, 202, 0.04), rgba(247, 37, 133, 0.04));
      border: 1px solid var(--border-hover);
      border-radius: var(--radius-lg);
      padding: 40px;
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      align-items: center;
    }

    .contact-info-block h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 14px;
    }

    .contact-methods {
      margin-top: 24px;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .method-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.95rem;
      color: var(--text-muted);
    }

    .method-item strong {
      color: var(--text-main);
    }

    .custom-form {
      background: #ffffff;
      padding: 30px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

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

    .form-label {
      display: block;
      font-size: 0.88rem;
      font-weight: 600;
      margin-bottom: 6px;
      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;
      font-family: inherit;
      color: var(--text-main);
      background: var(--soft-purple-bg);
      transition: var(--transition);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary-purple);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(121, 40, 202, 0.1);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    /* 文章与百科资讯 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .news-card:hover {
      border-color: var(--border-hover);
      box-shadow: var(--shadow-sm);
    }

    .news-date {
      font-size: 0.78rem;
      color: var(--text-light);
      margin-bottom: 8px;
    }

    .news-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .news-snippet {
      font-size: 0.86rem;
      color: var(--text-muted);
      margin-bottom: 16px;
    }

    .news-link {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary-purple);
    }

    /* 加盟代理模块 */
    .agency-card {
      background: linear-gradient(135deg, #2b1055 0%, #751a88 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 48px;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 30px;
      align-items: center;
    }

    .agency-text h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: #ffffff;
    }

    .agency-text p {
      font-size: 0.96rem;
      color: rgba(255, 255, 255, 0.82);
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .agency-perks {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .perk-item {
      background: rgba(255, 255, 255, 0.1);
      padding: 14px;
      border-radius: var(--radius-sm);
      font-size: 0.88rem;
      backdrop-filter: blur(8px);
    }

    .agency-action {
      text-align: center;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-md);
      padding: 24px;
    }

    .agency-action .qrcode-box {
      max-width: 140px;
      margin: 0 auto 14px;
      background: #ffffff;
      padding: 6px;
      border-radius: var(--radius-sm);
    }

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

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-brand h4 {
      font-size: 1.2rem;
      font-weight: 800;
      color: var(--primary-purple);
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 0.88rem;
      line-height: 1.6;
    }

    .footer-col h5 {
      font-size: 0.98rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
    }

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

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

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

    .friendly-links-wrap {
      border-top: 1px solid var(--border-color);
      padding-top: 20px;
      margin-bottom: 20px;
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
      font-size: 0.85rem;
    }

    .friendly-links-wrap span {
      font-weight: 700;
      color: var(--text-main);
    }

    .friendly-links-wrap a {
      color: var(--text-muted);
    }

    .friendly-links-wrap a:hover {
      color: var(--primary-purple);
    }

    .footer-bottom {
      border-top: 1px solid var(--border-color);
      padding-top: 20px;
      text-align: center;
      font-size: 0.82rem;
      color: var(--text-light);
    }

    /* 浮动客服 */
    .float-kefu {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      gap: 10px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 6px 18px rgba(121, 40, 202, 0.35);
      cursor: pointer;
      font-size: 1.1rem;
      border: none;
      transition: var(--transition);
    }

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

    .float-card {
      display: none;
      background: #ffffff;
      border: 1px solid var(--border-hover);
      border-radius: var(--radius-md);
      padding: 16px;
      width: 200px;
      text-align: center;
      box-shadow: var(--shadow-lg);
    }

    .float-kefu:hover .float-card {
      display: block;
    }

    .float-card p {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-top: 8px;
    }

    /* 响应式适配 */
    @media (max-width: 992px) {
      .hero-grid, .about-grid, .form-grid, .agency-card {
        grid-template-columns: 1fr;
      }
      .process-timeline, .case-grid, .reviews-grid, .pricing-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .hero-title {
        font-size: 2.2rem;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-toggle {
        display: block;
      }
      .process-timeline, .case-grid, .reviews-grid, .pricing-grid, .news-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .about-highlights {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 1.85rem;
      }
      .section-title {
        font-size: 1.6rem;
      }
      .rating-banner {
        flex-direction: column;
        align-items: flex-start;
      }
      .rating-score-box {
        text-align: left;
      }
    }