:root {
      --primary: #0052d9;
      --primary-bright: #0062ff;
      --primary-light: #e8f3ff;
      --accent: #00c48c;
      --accent-warm: #ff7d00;
      --text-main: #1d2129;
      --text-regular: #4e5969;
      --text-muted: #86909c;
      --bg-base: #f7f9fc;
      --bg-card: #ffffff;
      --border-color: #e5e6eb;
      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 6px 20px rgba(0, 82, 217, 0.08);
      --shadow-lg: 0 12px 32px rgba(0, 82, 217, 0.12);
      --container-max: 1200px;
      --radius: 12px;
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
      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-base);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    header.site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    }

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

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

    .brand-logo-wrap {
      width: 44px;
      height: 44px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--primary-light);
      border-radius: 8px;
    }

    .brand-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: -0.2px;
    }

    .brand-title span {
      color: var(--primary);
    }

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

    .nav-links a {
      color: var(--text-regular);
      text-decoration: none;
      font-size: 14px;
      font-weight: 500;
      padding: 8px 12px;
      border-radius: 6px;
      transition: var(--transition);
      white-space: nowrap;
    }

    .nav-links a:hover,
    .nav-links 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: 14px;
      font-weight: 600;
      border-radius: 8px;
      text-decoration: none;
      transition: var(--transition);
      cursor: pointer;
      border: 1px solid transparent;
      line-height: 1.4;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary-bright) 0%, #0046b8 100%);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(0, 82, 217, 0.28);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 82, 217, 0.38);
      color: #ffffff;
    }

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

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

    .menu-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: transparent;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

    .menu-toggle span {
      width: 22px;
      height: 2px;
      background: var(--text-main);
      transition: var(--transition);
    }

    /* 首屏 Hero */
    .hero-section {
      position: relative;
      background: radial-gradient(120% 120% at 50% 10%, #eaf2ff 0%, #f4f8ff 50%, var(--bg-base) 100%);
      padding: 70px 0 60px;
      border-bottom: 1px solid #e2e8f0;
      overflow: hidden;
    }

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

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #ffffff;
      border: 1px solid #cce1ff;
      border-radius: 30px;
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-badge::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 0 3px rgba(0, 196, 140, 0.2);
    }

    h1.hero-title {
      font-size: 40px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      letter-spacing: -0.5px;
      margin-bottom: 20px;
    }

    .hero-title-gradient {
      background: linear-gradient(135deg, #0052d9 0%, #00a8ff 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: #0052d9;
    }

    .hero-subtitle {
      font-size: 18px;
      color: var(--text-regular);
      max-width: 780px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

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

    .btn-hero-official {
      padding: 14px 34px;
      font-size: 16px;
      font-weight: 700;
      background: linear-gradient(135deg, #0062ff 0%, #0040ba 100%);
      color: #ffffff;
      border-radius: 10px;
      box-shadow: 0 6px 20px rgba(0, 98, 255, 0.35);
      text-decoration: none;
      transition: var(--transition);
    }

    .btn-hero-official:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(0, 98, 255, 0.45);
      color: #ffffff;
    }

    .hero-features-chips {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      max-width: 820px;
      margin: 0 auto;
    }

    .feature-chip {
      background: #ffffff;
      padding: 6px 14px;
      border-radius: 8px;
      border: 1px solid var(--border-color);
      font-size: 13px;
      color: var(--text-regular);
      font-weight: 500;
      box-shadow: var(--shadow-sm);
    }

    /* 指标统计栏 */
    .metrics-bar {
      margin-top: 50px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .metric-card {
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #b3d2ff;
    }

    .metric-number {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
      font-feature-settings: "tnum";
    }

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

    /* 区域排版通用 */
    section.section-block {
      padding: 80px 0;
      border-bottom: 1px solid #eaeef4;
    }

    .section-header {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 50px;
    }

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

    .section-title {
      font-size: 30px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 15px;
      color: var(--text-regular);
      line-height: 1.65;
    }

    /* 平台介绍 & 模型聚合 */
    .models-stream-box {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 40px;
    }

    .models-stream-box h3 {
      font-size: 17px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .model-pills-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .model-pill {
      background: var(--bg-base);
      border: 1px solid var(--border-color);
      padding: 6px 12px;
      border-radius: 6px;
      font-size: 12px;
      font-weight: 600;
      color: var(--text-main);
      transition: var(--transition);
    }

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

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

    .service-card {
      background: var(--bg-card);
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #b8d7ff;
    }

    .service-icon-wrap {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: var(--primary-light);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      font-size: 20px;
      color: var(--primary);
    }

    .service-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .service-card p {
      font-size: 14px;
      color: var(--text-regular);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

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

    .service-tags span {
      background: #f2f3f5;
      font-size: 11px;
      color: var(--text-regular);
      padding: 3px 8px;
      border-radius: 4px;
    }

    /* 一站式创作场景模块（高亮图文版式） */
    .creation-scenarios-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .scenario-item {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      gap: 20px;
      transition: var(--transition);
    }

    .scenario-item:hover {
      border-color: var(--primary-bright);
      box-shadow: var(--shadow-md);
    }

    .scenario-badge {
      width: 44px;
      height: 44px;
      border-radius: 8px;
      background: #eef5fe;
      color: var(--primary);
      font-weight: 800;
      font-size: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .scenario-content h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .scenario-content p {
      font-size: 13.5px;
      color: var(--text-regular);
      line-height: 1.6;
    }

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

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

    .step-index {
      font-size: 24px;
      font-weight: 800;
      color: var(--primary);
      opacity: 0.85;
      margin-bottom: 12px;
    }

    .step-card h3 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .step-card p {
      font-size: 13px;
      color: var(--text-regular);
      line-height: 1.55;
    }

    /* 案例中心 & 真实素材展示 */
    .cases-gallery {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 36px;
    }

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

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

    .case-media {
      width: 100%;
      height: 200px;
      background: #edf2f7;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

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

    .case-body {
      padding: 20px;
    }

    .case-body h3 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .case-body p {
      font-size: 13px;
      color: var(--text-regular);
      line-height: 1.5;
    }

    .media-extra-box {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 24px;
      margin-top: 24px;
    }

    .media-extra-box h3 {
      font-size: 16px;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .banner-images-flex {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    .banner-images-flex img {
      width: 100%;
      border-radius: 8px;
      border: 1px solid #ebeef5;
    }

    /* 对比评测卡片与表格 */
    .review-score-hero {
      background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 100%);
      border: 2px solid #b8d7ff;
      border-radius: var(--radius);
      padding: 36px;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      box-shadow: var(--shadow-sm);
    }

    .score-left h3 {
      font-size: 22px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .score-stars {
      color: #ff9800;
      font-size: 20px;
      letter-spacing: 2px;
    }

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

    .score-number {
      font-size: 48px;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
    }

    .score-scale {
      font-size: 14px;
      color: var(--text-muted);
    }

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

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

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

    table.comparison-table th {
      background: #f8fafc;
      font-weight: 700;
      color: var(--text-main);
    }

    table.comparison-table td.highlight {
      background: #f0f7ff;
      font-weight: 600;
      color: var(--primary);
    }

    /* Token 比价列表 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .price-card {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 30px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      position: relative;
      transition: var(--transition);
    }

    .price-card.featured {
      border-color: var(--primary-bright);
      box-shadow: var(--shadow-md);
    }

    .featured-ribbon {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #ffffff;
      font-size: 12px;
      font-weight: 700;
      padding: 2px 14px;
      border-radius: 12px;
    }

    .price-card h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .price-val {
      font-size: 34px;
      font-weight: 800;
      color: var(--primary);
      margin: 16px 0;
    }

    .price-val span {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 400;
    }

    .price-features {
      list-style: none;
      margin: 20px 0 26px;
      text-align: left;
      font-size: 13.5px;
      color: var(--text-regular);
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .price-features li {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .price-features li::before {
      content: "✓";
      color: var(--accent);
      font-weight: bold;
    }

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

    .review-card {
      background: #ffffff;
      padding: 26px;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-text {
      font-size: 14px;
      color: var(--text-regular);
      line-height: 1.65;
      margin-bottom: 20px;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .author-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
    }

    .author-info h4 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

    .author-info p {
      font-size: 12px;
      color: var(--text-muted);
    }

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

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

    .faq-question {
      padding: 18px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-main);
      user-select: none;
      transition: var(--transition);
    }

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

    .faq-icon {
      font-size: 18px;
      color: var(--text-muted);
      transition: var(--transition);
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: #fcfdfe;
      border-top: 1px solid transparent;
    }

    .faq-item.active .faq-answer {
      border-top-color: var(--border-color);
    }

    .faq-answer-inner {
      padding: 18px 24px;
      font-size: 14px;
      color: var(--text-regular);
      line-height: 1.65;
    }

    /* 表单与需求匹配 */
    .match-contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: flex-start;
    }

    .form-box {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-group label {
      display: block;
      font-size: 13.5px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 14px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      outline: none;
      background: #ffffff;
      color: var(--text-main);
      transition: var(--transition);
      font-family: inherit;
    }

    .form-control:focus {
      border-color: var(--primary-bright);
      box-shadow: 0 0 0 3px rgba(0, 98, 255, 0.12);
    }

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

    .contact-info-panel {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .contact-info-panel h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .contact-meta-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-bottom: 30px;
    }

    .contact-meta-list li {
      font-size: 14px;
      color: var(--text-regular);
      display: flex;
      align-items: center;
      gap: 10px;
    }

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

    .qr-container {
      display: flex;
      gap: 20px;
      align-items: center;
      padding: 18px;
      background: var(--bg-base);
      border-radius: 10px;
      border: 1px solid var(--border-color);
    }

    .qr-container img {
      width: 90px;
      height: 90px;
      border-radius: 6px;
      background: #ffffff;
      padding: 4px;
      border: 1px solid var(--border-color);
    }

    .qr-desc h4 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .qr-desc p {
      font-size: 12.5px;
      color: var(--text-muted);
      line-height: 1.4;
    }

    /* 行业资讯 & 最新文章 */
    .news-section-wrap {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }

    .article-links-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 16px;
    }

    .article-pill-link {
      display: inline-block;
      padding: 8px 16px;
      background: var(--bg-base);
      border: 1px solid var(--border-color);
      border-radius: 6px;
      font-size: 13px;
      color: var(--text-regular);
      text-decoration: none;
      transition: var(--transition);
    }

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

    /* 加盟代理模块 */
    .agency-card-banner {
      background: linear-gradient(135deg, #0052d9 0%, #0077ff 100%);
      color: #ffffff;
      border-radius: var(--radius);
      padding: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
      box-shadow: var(--shadow-md);
    }

    .agency-text h3 {
      font-size: 24px;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .agency-text p {
      font-size: 15px;
      opacity: 0.92;
      max-width: 600px;
      line-height: 1.6;
    }

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

    .footer-links-box {
      margin-bottom: 30px;
      padding-bottom: 24px;
      border-bottom: 1px solid #f0f2f5;
    }

    .footer-links-title {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      text-transform: uppercase;
    }

    .footer-nav-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .footer-nav-tags a {
      font-size: 13px;
      color: var(--text-regular);
      text-decoration: none;
      transition: var(--transition);
    }

    .footer-nav-tags a:hover {
      color: var(--primary);
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 13px;
      color: var(--text-muted);
      flex-wrap: wrap;
      gap: 16px;
    }

    .footer-bottom-links {
      display: flex;
      gap: 16px;
    }

    .footer-bottom-links a {
      color: var(--text-muted);
      text-decoration: none;
    }

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

    /* 浮动客服挂件 */
    .float-service-widget {
      position: fixed;
      right: 20px;
      bottom: 40px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-item {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--primary);
      text-decoration: none;
      transition: var(--transition);
      position: relative;
    }

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

    .float-popup {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: 8px;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      display: none;
      width: 140px;
      text-align: center;
    }

    .float-item:hover .float-popup {
      display: block;
    }

    .float-popup img {
      width: 100%;
      border-radius: 4px;
    }

    .float-popup p {
      font-size: 12px;
      color: var(--text-main);
      margin-top: 6px;
    }

    /* 响应式断点控制 */
    @media (max-width: 992px) {
      .navbar {
        height: 64px;
      }

      .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }

      .nav-links.show {
        display: flex;
      }

      .menu-toggle {
        display: flex;
      }

      .metrics-bar {
        grid-template-columns: repeat(2, 1fr);
      }

      .services-grid,
      .cases-gallery,
      .pricing-grid,
      .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .creation-scenarios-grid,
      .match-contact-grid {
        grid-template-columns: 1fr;
      }

      .process-steps {
        grid-template-columns: repeat(2, 1fr);
      }

      .agency-card-banner {
        flex-direction: column;
        text-align: center;
      }
    }

    @media (max-width: 640px) {
      h1.hero-title {
        font-size: 28px;
      }

      .hero-subtitle {
        font-size: 15px;
      }

      .services-grid,
      .cases-gallery,
      .pricing-grid,
      .testimonials-grid,
      .metrics-bar,
      .process-steps,
      .banner-images-flex {
        grid-template-columns: 1fr;
      }

      .review-score-hero {
        flex-direction: column;
        text-align: center;
        gap: 16px;
      }

      .score-right {
        text-align: center;
      }
    }