* {
   padding: 0;
   margin: 0;
   box-sizing: border-box;
 }

 body {
   margin: 0 auto !important;
   font-family: PingFangSC-Regular, Microsoft YaHei, Helvetica;
   background-color: #fff;
   color: #333;
   padding-bottom: 70px;
 }

 img {
   width: 100%;
   vertical-align: middle;
 }

 .dazidiv {
   font-size: 18px;
   font-weight: bold;
   color: #333;
   text-align: center;
 }

 .dazidiv p {
   line-height: 2;
 }
 .dazidiv p span{
  color: red;
 }
 .weixinaniu button {
   font-size: 22px;
   color: #ffff00;
   background: #f00;
   font-weight: bold;
 }

 #landing_page_banner {
   background-color: #ff9a22;
 }



#bottom_banner {
  width: 100%;
  position: fixed;
  bottom: 0;
  z-index: 999;
  background: #ff9a22;
  padding: 0 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.copy_btn{
  color: white;
    font-size: 18px;
    background: none;
    border: none;
}
.banner-button{
  background: #f55326;color: white;
}