:root {
      --primary: #0D6EFD;
      --primary-hover: #0b5ed7;
      --primary-soft: #eaf3ff;
      --accent: #6366F1;
      --accent-cyan: #06B6D4;
      --accent-warm: #F59E0B;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --bg-page: #F8FAFC;
      --bg-white: #FFFFFF;
      --bg-alt: #F1F5F9;
      --border-color: #E2E8F0;
      --border-focus: #93C5FD;
      --shadow-sm: 0 2px 6px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 10px 25px -5px rgba(13, 110, 253, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
      --shadow-lg: 0 20px 35px -10px rgba(15, 23, 42, 0.08);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    html {
      scroll-behavior: smooth;
    }

    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-body);
      line-height: 1.65;
      font-size: 16px;
      overflow-x: hidden;
    }

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

    ul, ol {
      list-style: none;
    }

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

    /* 全局同一标准主容器 */
    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

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

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

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

    .brand-logo-box {
      max-height: 42px;
      display: flex;
      align-items: center;
    }

    .brand-title {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .brand-tag {
      background: var(--primary-soft);
      color: var(--primary);
      font-size: 11px;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 6px;
      border: 1px solid rgba(13, 110, 253, 0.15);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0; /* 严格要求：gap必须为0 */
    }

    .nav-links a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-body);
      padding: 8px 14px;
      border-radius: var(--radius-sm);
    }

    .nav-links a:hover {
      color: var(--primary);
      background-color: var(--primary-soft);
    }

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

    .btn-portal {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--primary) 0%, #2563EB 100%);
      color: #FFFFFF;
      font-size: 14px;
      font-weight: 600;
      padding: 9px 20px;
      border-radius: var(--radius-sm);
      box-shadow: 0 4px 12px rgba(13, 110, 253, 0.25);
      border: 1px solid transparent;
    }

    .btn-portal:hover {
      background: linear-gradient(135deg, var(--primary-hover) 0%, #1d4ed8 100%);
      color: #FFFFFF;
      transform: translateY(-1px);
      box-shadow: 0 6px 16px rgba(13, 110, 253, 0.35);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
      color: var(--text-main);
    }

    /* 模块通用标题与修饰 */
    .section-spacing {
      padding: 80px 0;
      position: relative;
    }

    .section-alt {
      background: #FFFFFF;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

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

    .badge-pill {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      background: var(--primary-soft);
      padding: 4px 14px;
      border-radius: 999px;
      margin-bottom: 12px;
      border: 1px solid rgba(13, 110, 253, 0.12);
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 14px;
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 首屏 HERO 区域 - 严禁出现任何图片，高亮度鲜活科技感 */
    .hero-section {
      background: radial-gradient(circle at 50% 10%, #E0F2FE 0%, #F8FAFC 70%);
      padding: 80px 0 70px 0;
      position: relative;
      border-bottom: 1px solid var(--border-color);
    }

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

    .hero-tagline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #FFFFFF;
      padding: 6px 16px;
      border-radius: 999px;
      border: 1px solid var(--border-color);
      font-size: 13px;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-tagline span.dot {
      width: 8px;
      height: 8px;
      background-color: #10B981;
      border-radius: 50%;
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
    }

    .hero-title {
      font-size: 42px;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.25;
      letter-spacing: -0.8px;
      margin-bottom: 20px;
    }

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

    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      margin-bottom: 44px;
      flex-wrap: wrap;
    }

    .btn-hero-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, #0D6EFD 0%, #2563EB 100%);
      color: #FFFFFF;
      font-size: 17px;
      font-weight: 700;
      padding: 14px 34px;
      border-radius: var(--radius-md);
      box-shadow: 0 8px 24px rgba(13, 110, 253, 0.3);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .btn-hero-primary:hover {
      color: #FFFFFF;
      transform: translateY(-2px);
      box-shadow: 0 12px 30px rgba(13, 110, 253, 0.4);
    }

    .btn-hero-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #FFFFFF;
      color: var(--text-main);
      font-size: 16px;
      font-weight: 600;
      padding: 14px 28px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .btn-hero-secondary:hover {
      background: #F8FAFC;
      border-color: var(--primary);
      color: var(--primary);
    }

    .hero-tech-pills {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
      max-width: 820px;
      margin: 0 auto;
    }

    .tech-pill {
      background: rgba(255, 255, 255, 0.85);
      border: 1px solid rgba(226, 232, 240, 0.8);
      color: var(--text-muted);
      font-size: 12px;
      font-weight: 500;
      padding: 4px 10px;
      border-radius: 6px;
    }

    /* 指标统计卡片 */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: -35px;
      position: relative;
      z-index: 10;
    }

    .metric-card {
      background: #FFFFFF;
      padding: 24px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      text-align: center;
      transition: var(--transition);
    }

    .metric-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-lg);
    }

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

    .metric-label {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 关于我们 & 平台优势卡片 */
    .about-cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .about-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 30px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .about-card:hover {
      border-color: var(--border-focus);
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
    }

    .card-icon-box {
      width: 48px;
      height: 48px;
      background: var(--primary-soft);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      margin-bottom: 20px;
    }

    .about-card-title {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .about-card-text {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.6;
    }

    /* AIGC 服务场景矩阵 (多卡片展示) */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-box {
      background: #FFFFFF;
      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-box:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: #BFDBFE;
    }

    .service-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 12px;
    }

    .service-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
    }

    .service-badge {
      font-size: 12px;
      color: var(--accent);
      background: #EEF2FF;
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
    }

    .service-body {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .service-footer {
      border-top: 1px dashed var(--border-color);
      padding-top: 12px;
      font-size: 13px;
      color: var(--primary);
      font-weight: 600;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    /* 一站式制作全流程卡片 */
    .workflow-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .workflow-item {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 26px 20px;
      border: 1px solid var(--border-color);
      position: relative;
    }

    .step-number {
      font-size: 13px;
      font-weight: 800;
      color: var(--primary);
      background: var(--primary-soft);
      display: inline-block;
      padding: 2px 10px;
      border-radius: 999px;
      margin-bottom: 12px;
    }

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

    .workflow-item p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 行业方案图文区 (使用素材图) */
    .industry-section-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
      margin-bottom: 40px;
    }

    .industry-text h3 {
      font-size: 26px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.35;
    }

    .industry-text p {
      font-size: 15px;
      color: var(--text-body);
      margin-bottom: 20px;
      line-height: 1.7;
    }

    .industry-feature-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 24px;
    }

    .feature-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 14px;
      color: var(--text-body);
    }

    .check-icon {
      color: #10B981;
      font-weight: 900;
      font-size: 15px;
      margin-top: 2px;
    }

    .media-card-box {
      background: #FFFFFF;
      padding: 12px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      overflow: hidden;
    }

    .media-card-box img {
      border-radius: var(--radius-md);
      width: 100%;
      object-fit: cover;
      transition: var(--transition);
    }

    .media-card-box:hover img {
      transform: scale(1.015);
    }

    /* 对比评测模块 */
    .review-score-banner {
      background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
      color: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 36px 40px;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      box-shadow: var(--shadow-lg);
    }

    .review-score-info h3 {
      font-size: 24px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 8px;
    }

    .review-score-info p {
      font-size: 14px;
      color: #94A3B8;
      max-width: 600px;
    }

    .score-badge-wrap {
      display: flex;
      align-items: baseline;
      gap: 12px;
      background: rgba(255, 255, 255, 0.08);
      padding: 14px 28px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.15);
    }

    .score-stars {
      color: #FBBF24;
      font-size: 20px;
      letter-spacing: 2px;
    }

    .score-digital {
      font-size: 38px;
      font-weight: 900;
      color: #38BDF8;
      line-height: 1;
    }

    .score-max {
      font-size: 14px;
      color: #94A3B8;
    }

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

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

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

    .comparison-table th {
      background: #F8FAFC;
      color: var(--text-main);
      font-weight: 700;
    }

    .comparison-table tr:hover td {
      background: #F8FAFC;
    }

    .highlight-cell {
      background: #EFF6FF !important;
      font-weight: 700;
      color: var(--primary);
    }

    .status-good {
      color: #059669;
      font-weight: 600;
    }

    .status-fair {
      color: #D97706;
    }

    /* 案例中心：展示宣传图与方版图 */
    .banner-gallery-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-bottom: 30px;
    }

    .banner-item {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .banner-caption {
      padding: 12px 14px;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      text-align: center;
      background: #FFFFFF;
    }

    /* 加盟代理模块 */
    .agent-box {
      background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
      border: 1px solid #BFDBFE;
      border-radius: var(--radius-lg);
      padding: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
      flex-wrap: wrap;
    }

    .agent-content {
      max-width: 720px;
    }

    .agent-content h3 {
      font-size: 24px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .agent-content p {
      font-size: 15px;
      color: var(--text-body);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .agent-perks {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .perk-tag {
      background: #FFFFFF;
      padding: 6px 14px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      border: 1px solid #93C5FD;
    }

    /* 客户评价 6 条真实评价 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .testimonial-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-focus);
    }

    .testimonial-comment {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: normal;
    }

    .user-profile {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #F1F5F9;
      padding-top: 14px;
    }

    .user-avatar-initial {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--primary-soft);
      color: var(--primary);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
      flex-shrink: 0;
    }

    .user-meta h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }

    .user-meta span {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 行业资讯与AI百科 */
    .articles-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
    }

    .article-main-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .article-links-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .article-links-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .article-links-list a {
      font-size: 14px;
      color: var(--text-body);
      padding: 10px 12px;
      border-radius: var(--radius-sm);
      background: #F8FAFC;
      border: 1px solid var(--border-color);
      word-break: break-all;
    }

    .article-links-list a:hover {
      background: var(--primary-soft);
      color: var(--primary);
      border-color: #BFDBFE;
    }

    /* FAQ 手风琴 */
    .faq-wrapper {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

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

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

    .faq-question {
      width: 100%;
      text-align: left;
      padding: 18px 22px;
      background: none;
      border: none;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
    }

    .faq-icon {
      font-size: 18px;
      font-weight: 400;
      color: var(--primary);
      transition: transform 0.25s ease;
    }

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

    .faq-answer {
      display: none;
      padding: 0 22px 20px 22px;
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    /* 需求匹配与联系我们表单 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      padding: 40px;
    }

    .contact-info-col h3 {
      font-size: 24px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .contact-info-col p {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.6;
      margin-bottom: 24px;
    }

    .contact-channels {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-bottom: 24px;
    }

    .channel-box {
      background: #F8FAFC;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 14px;
    }

    .channel-label {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 4px;
    }

    .channel-val {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
      word-break: break-all;
    }

    .qr-wrap {
      display: flex;
      align-items: center;
      gap: 16px;
      background: #F8FAFC;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px;
    }

    .qr-img-box {
      width: 100px;
      height: 100px;
      background: #FFFFFF;
      padding: 4px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      flex-shrink: 0;
    }

    .qr-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .qr-tip h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .qr-tip p {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 0;
    }

    /* 表单组件 */
    .form-wrap {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

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

    .form-group label {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 11px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-main);
      background: #FFFFFF;
      transition: var(--transition);
      outline: none;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.12);
    }

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

    .btn-submit {
      background: linear-gradient(135deg, var(--primary) 0%, #2563EB 100%);
      color: #FFFFFF;
      font-size: 15px;
      font-weight: 700;
      padding: 13px 24px;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(13, 110, 253, 0.25);
      transition: var(--transition);
    }

    .btn-submit:hover {
      background: linear-gradient(135deg, var(--primary-hover) 0%, #1d4ed8 100%);
      transform: translateY(-1px);
      box-shadow: 0 6px 16px rgba(13, 110, 253, 0.35);
    }

    /* 统一标准全局底栏 Footer - 必须与全局container对齐 */
    .site-footer {
      background: #0F172A;
      color: #94A3B8;
      border-top: 1px solid #1E293B;
      padding: 50px 0 30px 0;
      font-size: 14px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 36px;
    }

    .footer-about h4 {
      color: #FFFFFF;
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .footer-about p {
      line-height: 1.6;
      max-width: 480px;
      margin-bottom: 14px;
    }

    .footer-column h5 {
      color: #FFFFFF;
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 14px;
    }

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

    .footer-links-list a {
      color: #94A3B8;
      text-decoration: none;
    }

    .footer-links-list a:hover {
      color: #38BDF8;
    }

    .friend-links-box {
      border-top: 1px solid #1E293B;
      padding-top: 24px;
      margin-bottom: 24px;
    }

    .friend-links-title {
      font-size: 13px;
      font-weight: 600;
      color: #CBD5E1;
      margin-bottom: 10px;
    }

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

    .friend-links-items a {
      color: #94A3B8;
      font-size: 13px;
    }

    .friend-links-items a:hover {
      color: #38BDF8;
    }

    .footer-bottom {
      border-top: 1px solid #1E293B;
      padding-top: 20px;
      text-align: center;
      font-size: 13px;
      color: #64748B;
    }

    /* 悬浮快捷互动组件 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 999;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      cursor: pointer;
      transition: var(--transition);
    }

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

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .services-grid, .about-cards-grid, .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .workflow-grid, .banner-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
    }

    @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: 16px 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links a {
        width: 100%;
        padding: 10px 0;
      }
      .hero-title {
        font-size: 28px;
      }
      .hero-desc {
        font-size: 15px;
      }
      .services-grid, .about-cards-grid, .testimonials-grid, .metrics-grid, .workflow-grid, .banner-gallery-grid, .industry-section-layout, .contact-grid, .articles-grid, .footer-top {
        grid-template-columns: 1fr;
      }
      .agent-box {
        flex-direction: column;
        align-items: flex-start;
      }
      .review-score-banner {
        flex-direction: column;
        align-items: flex-start;
      }
      .contact-grid {
        padding: 24px 18px;
      }
    }