.tishi{ 
background: rgba(0,0,0,0.4);

 position:fixed;
 width:100%;
 height:100%;
 display:none; 
 top:0px;
 left:0px; 
     justify-content: center;
    align-items: center;
    z-index:999999999999999999999999999999999999999;
    
 }
 .tishi .box{ width: 520px;
height: 396px;
background: #FFFFFF;
border-radius: 22px 22px 33px 22px;
    justify-content: center;
    align-items: center;
    position:relative;
    text-align:center;
    display:flex;    flex-direction: column;
    

} 
.tishi .box .img{ margin-bottom:30px; max-width:120px; }
.tishi .box h3{ 
font-family: PingFangSC, PingFang SC;
font-weight: 600;
font-size: 22px;
color: #333333;
line-height: 30px;
text-align: center;
font-style: normal;  margin-bottom:18px;}


.tishi .box p
{
    max-width: 308px; 
    font-family: PingFangSC, PingFang SC; 
    font-size: 16px;
    color: #999999;
    line-height: 28px;
    text-align: center;
    font-style: normal; 
    margin-bottom:40px;

}


.tishi .box .bt button{ width: 128px;
height: 48px;
border-radius: 10px;
border: 1px solid #999999;  

 
font-family: PingFangSC, PingFang SC;
font-weight: 500;
font-size: 18px;
color: #999999; 
text-align: center;
font-style: normal;
 margin-right:40px;
 
  cursor:pointer;

}
.tishi .box .bt button:last-child{ 
 margin-right:0px;  
border: 1px solid #1ECC99;  
background: #1ECC99;
color:#fff; 
 
 
 
 }


.clo{ position:absolute; right:24px; top:24px; font-family:楷体; width:16px;
      height:16px; cursor:pointer; text-align:center; font-size: 16px; }


@media (max-width: 768px){
    .tishi .box {
        width: 315px;
        height: 264px;
    } 
}     
@media all and (max-width: 575px) 
{
    .tishi .box .img { 
        max-width: 75px;
        margin-bottom: 20px;
    }
    .tishi .box h3 { 
        font-size: 18px; 
        line-height: 20px; 
    }
    .tishi .box .bt button {  
        height: 44px;
        margin-right: 15px;    
        font-size: 14px; 
    }
    .tishi .box p {
        max-width: 230px; 
        font-size: 12px; 
        line-height: 22px; 
        margin-bottom: 15px;
    }
    .clo { 
        right: 20px;
        top: 15px; 
    }
}