.zz_hyy {min-height: 100vh;display: flex;display: -ms-flexbox;align-items: center;-ms-flex-align: center;}

body {
        background: #eee;
        font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
        font-size: 14px;
        color: #000;
        margin: 0;
        padding: 0;
        overflow-x:hidden;   
      }
 

ul {
  list-style-type: none;
}

top{
background:#333
}



.wd-container {
    position: relative;
    width: 1000px;
    margin: 0 auto;
    zoom: 1; 
    display: flex;
    align-items: center;
    justify-content: space-between;
   z-index:999;
}

.wd-f-tar{
    display: flex;
    align-items: center;
    justify-content: space-between;
}


.welcome-banner li{height:600px; background-repeat: no-repeat;background-position: center;}





.wd-container {
    position: relative;
    width: 1000px;
    margin: 0 auto;
    zoom: 1;
}

.welcome-entrance {
    bottom: 150px;
    position: absolute;
    width: 600px;
    right: 0;
}



.welcome-entrance ul li.btn {
    height: 50px;
    line-height: 50px;
    font-size: 18px;
    font-weight: bold;
    background: #333;
    text-align: right;
}

.welcome-entrance ul li.btn:hover{background-color: #eee;}
.welcome-entrance ul li.btn a:hover{color:red;}


.wd-container .last {
    margin-right: 0;
}
.welcome-entrance ul li {
    display: block;
    float: right;
    width: 220px;
}

.welcome-entrance ul li.last a {
    border-right: 0 none;
}
.welcome-entrance ul li.btn a {
    color: #fff;
}
.welcome-entrance ul li a {
    padding: 0 20px;
    display: block;
}

.wd-f-cb:after, .clearfix:after, .wd-f-cbli li:after, .clearfix li:after{
display: block;
    clear: both;
    visibility: hidden;
    height: 0;
    overflow: hidden;
    content: ".";
}


.welcome-entrance ul li.link {
    height: 20px;
    line-height: 20px;
    font-size: 14px;
    background: #fff;
    padding: 10px 0;
}
.wd-container .last {
    margin-right: 0;
}
.welcome-entrance ul li {
    display: block;
    float: right;
     
}

.welcome-entrance ul li :hover{color:red;}

scrollbar-width: none; /* Firefox */;

.overflow：hidden;