/* 背景渐变 */
#web_bg{
  /*紫粉渐变*/
  /*background-image: linear-gradient(120deg, #e0c3fc 0%, #8ec5fc 100%);*/
  /*粉白蓝*/
  background-image: linear-gradient(-225deg, #dfbacd 0%, #B8DCFF 48%, #58abf3 100%);
}