.head-section{
    color: rgb(255, 255, 255);
    position: relative;
    padding-bottom: 45.3125%;
    height: 0;
    /* height: 8.7rem; */
}
  
.head-nav{
    position: relative;
}
  
.head-logo{
    /* width: 1.66rem; */
    width: 2rem;
    /* height: 0.7rem; */
    position: absolute;
    left: 0;
    padding-top: 0.3rem;
}
  
.head-nav-list{
    display: flex;
    font-size: 0.25rem;
    font-family: 'PuHuiFontRegular';
    letter-spacing: 2px;
    position: absolute;
    left: 3.6rem;
    padding-top: 0.6rem;
}
  
li{
    list-style: none;
    margin-left: 0.5rem;
    padding-bottom: 0.03rem;
}

.head-lang{
    font-size:0.2rem;
    margin-left: 1rem;
    position: absolute;
    right: 0;
    top: 0.55rem;
}

.head-lang-en{
    display: inline-block;
    color: #fff;
    width: .68rem;
    height: .4rem;
    text-align: center;
    line-height: .4rem
}

.head-lang-en:hover{
    display: inline-block;
    color: #fff;
    width: .68rem;
    height: .4rem;
    background: rgba(152, 125, 230, 1);
    border-radius: 18px;
    text-align: center;
    line-height: .4rem
}

.head-nav-item{position: relative;padding-bottom:.2rem;}
  
.head-nav-item>a{
    text-decoration: none;
    color: rgb(255, 255, 255);
    transition: all .3s;
}


.head-nav-item>a:after{
    width:0%;transition: all .4s;
     content:' ';
     position:absolute;
     bottom:0;
     left:0;
}
.head-nav-item:hover>a:after{
     border-bottom: 2px solid white;
     width:100%;
}


.head-slogan{
    position: absolute;
    top: 36%;
    max-width: 50%;
    display: flex;
    flex-direction: column;
}
  
.head-slogan>.slogan{
    font-size: 0.8rem;
    font-family: 'DinFontLight';
    text-transform: uppercase;
    margin: 0px;
    line-height: 1.8rem;
}
  
.head-slogan>.head-des{
    /* margin-top: 0.1rem; */
    font-size: 0.24rem;
    font-family: 'PuHuiFontLight';
    line-height: 200%;
}
  
.chat-logo{
    position: fixed;
    right: 0;
    top: 9rem;
    width: 0.6rem;
    height: 0.6rem;
}

.hidden{ 
    display:none; 
}

.back-to-button{
    width: 40px;
    height: 40px;
    position: fixed;
    right: 0;
    bottom: 50px;
    background-color: rgba(211, 215,221,1);
    cursor: pointer;
    /*border-bottom-left-radius: 0.05rem;
    border-top-left-radius: 0.05rem;*/
    text-align: center;
}

.back-to-button:hover{
    background-color: rgb(185,193,202);
}

.back-to-button img{
    position: absolute;
    top: 12px;
    left: 9px;
    width:19px;
    height:12px;
}

#udesk_btn_text{
  display: none !important;
}
#udesk_btn>a{
  padding: 0 !important;
}
#udesk_btn>a span:nth-child(1){
    margin: 7px 7px 7px !important;
}