/* 针对底部区域特定样式的覆盖 */
  .cta-section .custom-inquiry-btn-invert {
    background-color: #fff !important; /* 初始白底 */
    color: #000 !important;           /* 初始黑字 */
    border: 1px solid #fff !important;
    transition: all 0.3s ease !important;
    cursor: pointer;
    display: inline-block;
  }
  
  /* 滑过效果：变为黑底白字 */
  .cta-section .custom-inquiry-btn-invert:hover {
    background-color: #000 !important; /* 滑过变黑底 */
    color: #fff !important;           /* 滑过变白字 */
    border: 1px solid #fff !important;
  }