:root {
      --primary-red: #d91c1b;
      --primary-red-hover: #b81413;
      --primary-red-light: #fff1f0;
      --secondary-amber: #e65100;
      --accent-warm: #faad14;
      --bg-page: #fdfbfb;
      --bg-card: #ffffff;
      --text-main: #1f1f1f;
      --text-muted: #595959;
      --text-light: #8c8c8c;
      --border-color: #ffd8d6;
      --border-soft: #f0f0f0;
      --container-max: 1200px;
      --shadow-sm: 0 2px 8px rgba(217, 28, 27, 0.06);
      --shadow-md: 0 6px 20px rgba(217, 28, 27, 0.1);
      --shadow-lg: 0 12px 32px rgba(217, 28, 27, 0.14);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 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-page);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .site-container {
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
      width: 100%;
    }
    .text-center { text-align: center; }
    .highlight-red { color: var(--primary-red); }
    .section-padding { padding: 70px 0; }
    .section-title-wrap {
      text-align: center;
      margin-bottom: 45px;
    }
    .section-tag {
      display: inline-block;
      background: var(--primary-red-light);
      color: var(--primary-red);
      font-size: 0.875rem;
      font-weight: 600;
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
      border: 1px solid var(--border-color);
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 700;
      color: #1a1a1a;
      line-height: 1.3;
      margin-bottom: 12px;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 760px;
      margin: 0 auto;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(217, 28, 27, 0.12);
      box-shadow: var(--shadow-sm);
    }
    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-box .ai-page-logo {
      height: 42px;
      width: auto;
    }
    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--primary-red);
      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-main);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      display: inline-block;
    }
    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary-red);
      background: var(--primary-red-light);
    }
    .nav-cta-btn {
      background: linear-gradient(135deg, var(--primary-red), #e63935);
      color: #ffffff !important;
      padding: 9px 20px !important;
      border-radius: 25px;
      font-weight: 600;
      box-shadow: 0 4px 12px rgba(217, 28, 27, 0.25);
    }
    .nav-cta-btn:hover {
      background: linear-gradient(135deg, #b81413, #d91c1b);
      transform: translateY(-1px);
    }
    .mobile-menu-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 6px 10px;
      font-size: 1.2rem;
      color: var(--primary-red);
      cursor: pointer;
    }

    /* 首屏 Hero (无任何图片) */
    .hero-section {
      background: linear-gradient(180deg, #fff7f6 0%, #ffffff 100%);
      padding: 75px 0 65px;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-soft);
    }
    .hero-badge-wrap {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffebe9;
      border: 1px solid var(--border-color);
      padding: 6px 16px;
      border-radius: 30px;
      color: var(--primary-red);
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 22px;
    }
    .hero-h1 {
      font-size: 2.6rem;
      font-weight: 900;
      color: #141414;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-lead {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 820px;
      margin: 0 auto 34px;
      line-height: 1.7;
    }
    .hero-actions {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }
    .btn-hero-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: linear-gradient(135deg, #d91c1b 0%, #b81413 100%);
      color: #ffffff;
      font-size: 1.1rem;
      font-weight: 700;
      padding: 15px 36px;
      border-radius: 32px;
      box-shadow: 0 6px 20px rgba(217, 28, 27, 0.35);
    }
    .btn-hero-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 26px rgba(217, 28, 27, 0.45);
      color: #ffffff;
    }
    .btn-hero-secondary {
      display: inline-flex;
      align-items: center;
      background: #ffffff;
      color: var(--primary-red);
      border: 1.5px solid var(--primary-red);
      font-size: 1.1rem;
      font-weight: 600;
      padding: 14px 32px;
      border-radius: 32px;
    }
    .btn-hero-secondary:hover {
      background: var(--primary-red-light);
      transform: translateY(-2px);
    }
    .hero-data-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 10px;
    }
    .hero-data-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .hero-data-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-red);
    }
    .data-card-num {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary-red);
      line-height: 1.1;
      margin-bottom: 6px;
    }
    .data-card-label {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .data-card-sub {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* 支持模型跑马灯/标签云 */
    .model-tags-section {
      background: #fff;
      padding: 30px 0;
      border-bottom: 1px solid var(--border-soft);
    }
    .model-tags-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-muted);
      text-align: center;
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }
    .tags-flex-wrap {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }
    .model-pill {
      background: #fafafa;
      border: 1px solid #e8e8e8;
      color: #333;
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 500;
      transition: var(--transition);
    }
    .model-pill:hover {
      border-color: var(--primary-red);
      color: var(--primary-red);
      background: var(--primary-red-light);
      transform: translateY(-2px);
    }

    /* 关于我们 / 平台介绍 */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }
    .intro-content h3 {
      font-size: 1.7rem;
      color: #1a1a1a;
      margin-bottom: 16px;
      font-weight: 700;
    }
    .intro-content p {
      color: var(--text-muted);
      margin-bottom: 18px;
      font-size: 1rem;
      line-height: 1.7;
    }
    .intro-pillars {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-top: 24px;
    }
    .intro-pillar-item {
      background: #ffffff;
      border-left: 4px solid var(--primary-red);
      padding: 12px 14px;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      border-top: 1px solid #f5f5f5;
      border-right: 1px solid #f5f5f5;
      border-bottom: 1px solid #f5f5f5;
    }
    .intro-pillar-item strong {
      display: block;
      color: var(--text-main);
      font-size: 0.95rem;
      margin-bottom: 2px;
    }
    .intro-pillar-item span {
      font-size: 0.8rem;
      color: var(--text-light);
    }
    .media-card-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 16px;
      box-shadow: var(--shadow-md);
    }
    .media-card-box img {
      border-radius: var(--radius-md);
      width: 100%;
      height: auto;
      object-fit: cover;
    }

    /* 核心服务矩阵 / AIGC服务 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }
    .service-card {
      background: #ffffff;
      border: 1px solid #f0f0f0;
      border-radius: var(--radius-md);
      padding: 26px 22px;
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }
    .service-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: transparent;
      transition: var(--transition);
    }
    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-color);
    }
    .service-card:hover::before {
      background: var(--primary-red);
    }
    .service-icon-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      background: var(--primary-red-light);
      color: var(--primary-red);
      font-size: 1.3rem;
      font-weight: 700;
      border-radius: 10px;
      margin-bottom: 16px;
    }
    .service-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: #1f1f1f;
      margin-bottom: 10px;
    }
    .service-card p {
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.65;
    }

    /* 业务场景与创作工坊 */
    .scene-cards-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }
    .scene-card {
      background: #ffffff;
      border: 1px solid #f0f0f0;
      border-radius: var(--radius-md);
      padding: 20px 18px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }
    .scene-card:hover {
      border-color: var(--primary-red);
      transform: translateY(-3px);
      box-shadow: var(--shadow-sm);
    }
    .scene-card-header h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #1f1f1f;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .scene-card-header h4::before {
      content: "";
      width: 6px;
      height: 6px;
      background: var(--primary-red);
      border-radius: 50%;
    }
    .scene-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 12px;
    }
    .scene-tag-badge {
      display: inline-block;
      background: #f7f7f7;
      color: var(--text-light);
      font-size: 0.75rem;
      padding: 3px 8px;
      border-radius: 4px;
      align-self: flex-start;
    }

    /* 标准制作流程 */
    .flow-steps-wrap {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }
    .flow-step-card {
      background: #ffffff;
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      padding: 24px 16px;
      text-align: center;
      position: relative;
    }
    .step-badge {
      width: 36px;
      height: 36px;
      line-height: 36px;
      background: var(--primary-red);
      color: #ffffff;
      font-size: 1rem;
      font-weight: 700;
      border-radius: 50%;
      margin: 0 auto 14px;
    }
    .flow-step-card h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .flow-step-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 对比评测板块 */
    .eval-highlight-box {
      background: linear-gradient(135deg, #fff5f5 0%, #ffffff 100%);
      border: 2px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }
    .eval-score-info {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .score-circle {
      width: 90px;
      height: 90px;
      border-radius: 50%;
      background: var(--primary-red);
      color: #ffffff;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 16px rgba(217, 28, 27, 0.3);
    }
    .score-circle .score-val {
      font-size: 2rem;
      font-weight: 900;
      line-height: 1;
    }
    .score-circle .score-total {
      font-size: 0.75rem;
      opacity: 0.9;
    }
    .score-text-detail h3 {
      font-size: 1.4rem;
      font-weight: 800;
      color: #1a1a1a;
      margin-bottom: 6px;
    }
    .star-rating {
      color: var(--accent-warm);
      font-size: 1.25rem;
      letter-spacing: 2px;
      margin-bottom: 4px;
    }
    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-soft);
    }
    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 650px;
    }
    .eval-table th,
    .eval-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f0f0f0;
      font-size: 0.92rem;
    }
    .eval-table th {
      background: #fafafa;
      color: #262626;
      font-weight: 700;
    }
    .eval-table td.col-feature {
      font-weight: 600;
      color: #333;
    }
    .eval-table td.col-our {
      background: #fffcfb;
      color: var(--primary-red);
      font-weight: 700;
    }
    .eval-table td.col-other {
      color: var(--text-muted);
    }

    /* 案例中心展示 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .case-card {
      background: #ffffff;
      border: 1px solid var(--border-soft);
      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-img-box {
      width: 100%;
      height: 200px;
      overflow: hidden;
      background: #f0f0f0;
    }
    .case-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .case-card:hover .case-img-box img {
      transform: scale(1.04);
    }
    .case-body {
      padding: 20px 18px;
    }
    .case-tag {
      font-size: 0.75rem;
      background: var(--primary-red-light);
      color: var(--primary-red);
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
      margin-bottom: 8px;
      display: inline-block;
    }
    .case-body h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: #1f1f1f;
    }
    .case-body p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 客户真实评价 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .review-card {
      background: #ffffff;
      border: 1px solid #f0f0f0;
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }
    .review-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-color);
    }
    .review-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }
    .review-avatar-char {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-red-light);
      color: var(--primary-red);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.1rem;
      border: 1px solid var(--border-color);
    }
    .reviewer-meta h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: #1f1f1f;
      line-height: 1.2;
      margin-bottom: 2px;
    }
    .reviewer-meta span {
      font-size: 0.8rem;
      color: var(--text-light);
    }
    .review-body {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
      font-style: normal;
    }

    /* 加盟代理与算力分销 */
    .agent-promo-card {
      background: linear-gradient(135deg, #d91c1b 0%, #b81413 100%);
      border-radius: var(--radius-lg);
      padding: 45px 36px;
      color: #ffffff;
      display: grid;
      grid-template-columns: 1.4fr 1fr;
      gap: 30px;
      align-items: center;
      box-shadow: var(--shadow-lg);
    }
    .agent-info h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: #ffffff;
    }
    .agent-info p {
      font-size: 1rem;
      opacity: 0.95;
      margin-bottom: 20px;
      line-height: 1.6;
    }
    .agent-features {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .agent-features li {
      font-size: 0.92rem;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .agent-features li::before {
      content: "✓";
      color: #ffd8d6;
      font-weight: 900;
    }
    .agent-cta-box {
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.25);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      backdrop-filter: blur(8px);
    }
    .agent-cta-box h4 {
      font-size: 1.2rem;
      margin-bottom: 8px;
      color: #fff;
    }
    .agent-cta-box p {
      font-size: 0.85rem;
      opacity: 0.85;
      margin-bottom: 18px;
    }
    .agent-btn {
      display: inline-block;
      background: #ffffff;
      color: var(--primary-red);
      font-weight: 700;
      padding: 12px 28px;
      border-radius: 25px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }
    .agent-btn:hover {
      background: #fff5f5;
      transform: translateY(-2px);
    }

    /* FAQ 折叠面板 */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .faq-item {
      background: #ffffff;
      border: 1px solid #f0f0f0;
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: var(--border-color);
    }
    .faq-question {
      padding: 18px 22px;
      font-size: 1rem;
      font-weight: 600;
      color: #1f1f1f;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
    }
    .faq-question::after {
      content: "+";
      font-size: 1.3rem;
      font-weight: 400;
      color: var(--primary-red);
      transition: var(--transition);
    }
    .faq-item.active .faq-question::after {
      content: "−";
      transform: rotate(180deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 22px;
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.65;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: #fffbfb;
    }
    .faq-item.active .faq-answer {
      max-height: 200px;
      padding: 0 22px 18px;
    }

    /* 需求表单与联系我们 */
    .contact-form-layout {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }
    .contact-info-col h3 {
      font-size: 1.6rem;
      font-weight: 800;
      color: #1a1a1a;
      margin-bottom: 14px;
    }
    .contact-info-col p {
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.6;
      margin-bottom: 24px;
    }
    .contact-ways {
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 28px;
    }
    .contact-way-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.95rem;
      color: var(--text-main);
    }
    .contact-way-item strong {
      color: var(--primary-red);
      min-width: 70px;
    }
    .qr-showcase {
      display: inline-block;
      text-align: center;
      background: #fafafa;
      padding: 12px;
      border-radius: var(--radius-md);
      border: 1px dashed var(--border-color);
    }
    .qr-showcase img {
      width: 130px;
      height: 130px;
      margin: 0 auto 8px;
      border-radius: 4px;
    }
    .qr-showcase span {
      font-size: 0.8rem;
      color: var(--text-light);
    }
    .form-col form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .form-group label {
      font-size: 0.88rem;
      font-weight: 600;
      color: #333;
    }
    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid #d9d9d9;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: #333;
      transition: var(--transition);
      background: #ffffff;
      outline: none;
    }
    .form-control:focus {
      border-color: var(--primary-red);
      box-shadow: 0 0 0 3px rgba(217, 28, 27, 0.1);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 90px;
    }
    .btn-submit-form {
      background: linear-gradient(135deg, var(--primary-red), #b81413);
      color: #ffffff;
      font-size: 1rem;
      font-weight: 700;
      border: none;
      padding: 14px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
      box-shadow: 0 4px 12px rgba(217, 28, 27, 0.25);
    }
    .btn-submit-form:hover {
      background: linear-gradient(135deg, #b81413, #a0100f);
      transform: translateY(-1px);
    }

    /* 行业资讯与最新文章 */
    .articles-section-box {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-soft);
      box-shadow: var(--shadow-sm);
      margin-top: 20px;
    }
    .articles-links-flex {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 14px;
    }
    .article-pill-link {
      display: inline-block;
      background: #fafafa;
      border: 1px solid #e8e8e8;
      padding: 8px 14px;
      border-radius: 6px;
      font-size: 0.85rem;
      color: var(--text-muted);
      transition: var(--transition);
    }
    .article-pill-link:hover {
      border-color: var(--primary-red);
      color: var(--primary-red);
      background: var(--primary-red-light);
    }

    /* 友情链接 */
    .friend-links-wrap {
      padding: 24px 0;
      border-top: 1px solid #eeeeee;
      margin-top: 40px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
      font-size: 0.88rem;
    }
    .friend-links-title {
      font-weight: 700;
      color: var(--text-main);
      margin-right: 6px;
    }
    .friend-links-wrap a {
      color: var(--text-muted);
      transition: var(--transition);
    }
    .friend-links-wrap a:hover {
      color: var(--primary-red);
      text-decoration: underline;
    }

    /* 底部页脚 */
    .site-footer {
      background: #141414;
      color: #a6a6a6;
      padding: 50px 0 30px;
      border-top: 4px solid var(--primary-red);
      font-size: 0.9rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 30px;
      margin-bottom: 36px;
    }
    .footer-brand h4 {
      font-size: 1.25rem;
      color: #ffffff;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .footer-brand p {
      line-height: 1.6;
      font-size: 0.88rem;
      margin-bottom: 16px;
    }
    .footer-col h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 14px;
      border-left: 3px solid var(--primary-red);
      padding-left: 8px;
    }
    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .footer-links-list a {
      color: #8c8c8c;
    }
    .footer-links-list a:hover {
      color: #ffffff;
    }
    .footer-bottom {
      border-top: 1px solid #262626;
      padding-top: 20px;
      text-align: center;
      font-size: 0.82rem;
      color: #666666;
    }

    /* 浮动客服入口 */
    .floating-service {
      position: fixed;
      right: 20px;
      bottom: 40px;
      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%;
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-red);
      cursor: pointer;
      font-size: 1.2rem;
      transition: var(--transition);
      position: relative;
    }
    .float-btn:hover {
      background: var(--primary-red);
      color: #ffffff;
      transform: scale(1.08);
    }
    .float-btn-qr-pop {
      position: absolute;
      right: 58px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      display: none;
      text-align: center;
      width: 150px;
    }
    .float-btn:hover .float-btn-qr-pop {
      display: block;
    }
    .float-btn-qr-pop img {
      width: 100%;
      height: auto;
      margin-bottom: 6px;
    }
    .float-btn-qr-pop span {
      font-size: 0.75rem;
      color: var(--text-main);
      font-weight: 600;
    }

    /* 响应式媒体查询 */
    @media (max-width: 992px) {
      .services-grid,
      .cases-grid,
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .scene-cards-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-data-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps-wrap {
        grid-template-columns: repeat(3, 1fr);
      }
      .intro-grid,
      .agent-promo-card,
      .contact-form-layout {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 20px;
        box-shadow: var(--shadow-md);
        border-top: 1px solid #f0f0f0;
      }
      .nav-links.show {
        display: flex;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .hero-h1 {
        font-size: 1.95rem;
      }
      .section-title {
        font-size: 1.6rem;
      }
      .services-grid,
      .cases-grid,
      .reviews-grid,
      .scene-cards-grid,
      .hero-data-grid,
      .flow-steps-wrap,
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .contact-form-layout {
        padding: 20px;
      }
      .eval-highlight-box {
        flex-direction: column;
        text-align: center;
      }
      .eval-score-info {
        flex-direction: column;
      }
    }