/* 整体外层间距，给予足够的留白呼吸感，更显体量 */
  .delta-mega-inquiry-section {
    padding: 100px 20px;
    background-color: transparent;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  }
  
  /* 核心巨幕卡片主体 */
  .delta-mega-inquiry-card {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 2px solid #005da6; /* 用Delta官方蓝直接锁边，极度醒目 */
    border-radius: 20px;
    padding: 60px 80px;
    box-shadow: 0 20px 50px rgba(0, 93, 166, 0.08);
    overflow: hidden;
  }
  
  /* 纯CSS科技底纹，增加大厂高级工业感 */
  .mega-tech-grid {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    opacity: 0.4;
    background-image: linear-gradient(rgba(0, 93, 166, 0.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(0, 93, 166, 0.03) 1px, transparent 1px);
    background-size: 20px 20px;
    pointer-events: none;
  }
  
  /* 内部双主轴弹性盒子 */
  .mega-inquiry-inner {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
  }
  
  /* 左侧文案排版 */
  .mega-content-box {
    flex: 1;
  }
  
  /* 顶置小动作标签 */
  .mega-action-tag {
    display: inline-block;
    font-size: 11px;
    color: #ffffff;
    background-color: #005da6; /* Delta 蓝底衬 */
    font-weight: 700;
    letter-spacing: 2px;
    padding: 5px 12px;
    border-radius: 4px;
    margin-bottom: 20px;
  }
  
  /* 巨幕轰炸级主标题 */
  .mega-main-title {
    font-size: 38px;
    color: #0f172a;
    font-weight: 800;
    margin: 0 0 18px 0;
    letter-spacing: -1px;
    line-height: 1.2;
  }
  
  /* 核心词汇高亮红 */
  .mega-main-title .mega-highlight-red {
    color: #C1272E;
    position: relative;
    display: inline-block;
  }
  
  /* 副文案 */
  .mega-sub-text {
    font-size: 16px;
    color: #475569;
    line-height: 1.6;
    margin: 0;
    max-width: 680px;
  }
  
  /* 右侧按钮控制盒 */
  .mega-btn-box {
    flex-shrink: 0;
  }
  
  /* 核心武器：双行文本脉冲巨型按钮 */
  .mega-pulse-cta-btn {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    position: relative;
    background-color: #C1272E; /* 您指定的核心红 */
    color: #ffffff !important;
    text-decoration: none !important;
    padding: 22px 50px 22px 40px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(193, 39, 46, 0.35);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
    cursor: pointer;
  }
  
  /* 按钮主文字 */
  .btn-text-main {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.2px;
    margin-bottom: 2px;
  }
  
  /* 按钮副文本（用免费、官方背书打消客户疑虑，疯狂提升转化率） */
  .btn-text-sub {
    font-size: 12px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 0.5px;
    text-transform: uppercase;
  }
  
  /* 按钮内箭头 */
  .mega-arrow-icon {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  }
  
  /* ================== 激进的静态及动态微交互反馈 ================== */
  
  /* 静态自动扩散的呼吸光晕效果（让按钮自己动起来，疯狂吸睛） */
  .mega-pulse-cta-btn::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    border-radius: 12px;
    box-shadow: 0 0 0 0 rgba(193, 39, 46, 0.6);
    animation: ctaPulse 2s infinite;
    pointer-events: none;
  }
  
  @keyframes ctaPulse {
    0% {
      box-shadow: 0 0 0 0 rgba(193, 39, 46, 0.7);
    }
    70% {
      box-shadow: 0 0 0 15px rgba(193, 39, 46, 0);
    }
    100% {
      box-shadow: 0 0 0 0 rgba(193, 39, 46, 0);
    }
  }
  
  /* 鼠标悬停时的狂暴状态 */
  .mega-pulse-cta-btn:hover {
    background-color: #e52d35; /* 略微亮起 */
    transform: translateY(-5px) scale(1.02); /* 向上浮动并微微放大 */
    box-shadow: 0 20px 40px rgba(193, 39, 46, 0.5); /* 阴影全面喷发 */
  }
  
  /* 悬停时箭头向右突进并放大 */
  .mega-pulse-cta-btn:hover .mega-arrow-icon {
    transform: translateY(-50%) translateX(6px) scale(1.1);
  }
  
  /* 点击压制反馈 */
  .mega-pulse-cta-btn:active {
    transform: translateY(-2px) scale(0.99);
    box-shadow: 0 10px 20px rgba(193, 39, 46, 0.3);
  }
  
  /* ================== 中等屏幕 / 笔记本电脑适配 (1024px 以下) ================== */
  @media (max-width: 1024px) {
    .delta-mega-inquiry-section { padding: 70px 20px; }
    .delta-mega-inquiry-card { padding: 45px 50px; }
    .mega-inquiry-inner { gap: 40px; }
    .mega-main-title { font-size: 30px; }
    .mega-sub-text { font-size: 14.5px; }
    .mega-pulse-cta-btn { padding: 18px 45px 18px 35px; }
    .btn-text-main { font-size: 16px; }
  }
  
  /* ================== 移动端手机完美重组适配 (768px 以下) ================== */
  @media (max-width: 768px) {
    .delta-mega-inquiry-section { padding: 40px 12px; }
    
    /* 强力瓦解大屏卡片横排，改为垂直紧凑阵型 */
    .delta-mega-inquiry-card {
      padding: 40px 24px;
      border-radius: 16px;
      text-align: center;
    }
    
    .mega-inquiry-inner {
      flex-direction: column;
      gap: 30px;
    }
    
    /* 手机端取消强制换行标签 */
    .pc-only { display: none; }
    
    .mega-action-tag { margin-bottom: 15px; }
    .mega-main-title { font-size: 24px; margin-bottom: 12px; }
    .mega-sub-text { font-size: 14px; line-height: 1.5; }
    
    .mega-btn-box {
      width: 100%;
    }
    
    /* 手机端按钮全面屏拉满，居中对齐，大拇指极易触及 */
    .mega-pulse-cta-btn {
      display: flex;
      align-items: center;
      width: 100%;
      box-sizing: border-box;
      padding: 16px 20px;
      border-radius: 10px;
    }
    
    .btn-text-main { font-size: 16px; text-align: center; width: 100%; padding-right: 15px;}
    .btn-text-sub { font-size: 11px; text-align: center; width: 100%; padding-right: 15px; margin-top: 2px;}
    
    /* 手机端箭头位置微调 */
    .mega-arrow-icon { right: 24px; }
  }