body{
    background-color: #ECF5FF;
}
@media screen and (max-width: 767px) {
/* 这里是针对移动设备的css样式设置 */
   .mian_ui{
       margin-top: 3vh;
   }
}
@media screen and (min-width: 768px) {
/* 这里是针对电脑设备的css样式设置 */
   .mian_ui{
       margin-top: 10vh;
   }
}
.mian_name{
    padding: 15px 20px 15px 20px;
    border-radius: 10px;
    box-shadow: 2px 2px 8px 3px #AAAAAA;
    font-size:2vh;
    position: absolute;
    left: 20px;
    top: -20px;   
}
.footer{
    margin-top: 5vh;
    margin-bottom: 5vh;
}
.user_ui{
    width: 100%;
    text-align: center;
}
.user_pic_ui{
    width: 100%;
    text-align: center;    
}
.user_name_ui{
    width: 100%;
    text-align: center;    
}
.user_info_ui{
    width: 100%;
    text-align: center;    
}
.user_btn_ui{
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.user_pic{
    width:100px;
    height:100px;
    border-radius: 50%;
}
.close{
    float: right;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
    color: #000;
    text-shadow: 0 1px 0 #fff;
    opacity: .5;
    background-color: transparent;
    border: 0;
}