@media screen and (max-width:720px){
     body{margin:0px;}
 #konw_us{
    /*width: 293.5px; */
    /* height: 100px; */
    font-size: 12px;
    font-weight: 400;
    text-align: center;
    color: #ffffff;
    font-family: PingFang SC;
    /* line-height: 100px; */
    letter-spacing: 1.7px;
    /*margin-top: -10rem;*/
 }
 #foot_content{
       clear: both;
    width: 100%;
    /* height: 11rem; */
    line-height: 110px;
    line-height: 50px;
    /* position: absolute; */
    
    /*padding-bottom: 2rem;*/
    bottom: 0px;
    border-top: 1px solid #c0c4cc33;
    background: #181C1F;
 }
 #contact_us{
    width: 100%;
    height: 10.5px;
    font-size: 12px;
    font-family: Arial, Arial-Regular;
    font-weight: 400;
    text-align: center;
    color: #ffffff;
    line-height: 20px;
    letter-spacing: 1.1px;
    margin-right: 1rem;
    margin-top: -2rem;
 }
 #ip_link{
text-align: center;
    margin-top: -80px;
    /* float: right; */
    /* right: 1rem; */
    /* text-align: right;*/
 }
 #ip_link a{
   margin-right: 10px;
   line-height: 10px;
 }
 #master_footer{
  
 }
 a{
    text-decoration:none;
    -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
    -webkit-user-select: none;
   -moz-user-focus: none;
   -moz-user-select: none;
 }
 .h5_beian{
      font-size:12px;
    }
    .el-message{min-width: 80px;}
 }
 @media screen and (min-width:721px){
 body{margin:0px;}
 #konw_us{
     /* width: 293.5px; */
    /* height: 100px; */
    font-size: 17px;
    font-family: Arial, Arial-Regular;
    font-weight: 400;
    text-align: center;
    color: #ffffff;
    /* line-height: 100px; */
    letter-spacing: 1.7px;
    padding-bottom: 10px;
    border-top: 1px solid #c0c4cc33;
    background: #181C1F;
 }
 #foot_content{
    clear:both;
     width: 100%;
    /* height: 100px; */
    background: #333333;
    line-height: 100px;
    line-height: 50px;
/*     position: absolute; */
    bottom: 0px;
 }
 #contact_us{
          /* width: 209px; */
    height: 10.5px;
    font-size: 14px;
    font-family: Arial, Arial-Regular;
    font-weight: 400;
    text-align: center;
    color: #ffffff;
    line-height: 13.5px;
    letter-spacing: 1.1px;
    /* margin-left: 1rem; */
    margin-top: -20px;
 }
 #ip_link{
 margin-top: -120px;
    float: right;
    right: 1rem;
    text-align: right;
 }
 #ip_link a{
   margin-right: 10px;
   line-height: 10px;
 }
 #master_footer{
  
 }
 a{
     text-decoration:none;
     -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
     -webkit-user-select: none;
     -moz-user-focus: none;
     -moz-user-select: none;
     }
   el-link{
   	 -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
     -webkit-user-select: none;
     -moz-user-focus: none;
     -moz-user-select: none;
   }  
}