*{
    margin:0;
    padding:0;
    text-decoration: none;
    list-style-type: none;
}
input:focus {
    outline: none;
}

@font-face {
    font-family: 'alimama';
    src: url('../font/fangyuanti-zip.woff2') format('woff2'),
         url('../font/fangyuanti-zip.woff') format('woff'),
         url('../font/fangyuanti-zip.ttf') format('truetype');
    font-display: swap;
}

/* 底部信息 */
.copyrightBox{
    width: 100%;
    background: #13141e;
    margin: auto;
    font-size: 12px;
    color: #b8c0cc;
}
.copyright{
    width:1400px;
    height:50px;
    margin:auto;
    display:flex;
    align-items:center;
    justify-content:center;
}
.contract{
    width:155px;
    height:50px;
    line-height:50px;
    color:#b8c0cc;
    font-size:12px;
    text-align:center;
}
.contract a{
    font-size:12px;
    color:#b8c0cc;
}
.contract1{
    width:350px;
    height:50px;
    text-align:center;
    line-height:50px;
    font-size:12px;
    color:#b8c0cc;
}
.contract2{
    width:220px;
    height:50px;
    display:flex;
    align-items:center;
    justify-content:center;
}
.contract2 img{
    width:15px;
    height:15px;
    margin-right:5px;
}
.copyrightBox a{
    margin-right:5px;
    font-size:12px;
    color:#b8c0cc;
}

.contract3{
    width:120px;
    height:50px;
    display:flex;
    align-items:center;
    justify-content:center;
}
.contract3 a{
    font-size:12px;
    color:#b8c0cc;
}
.contract4{
    width:240px;
    height:50px;
    font-size:12px;
    color:#b8c0cc;
    line-height:50px;
    text-align:center;
}
.copyrightlinks{
    width: 1375px;
    justify-content: left;
}
.copyrightBox .links{
    display:flex;
}

/* 首页大图片 */
.bgpng{
    width:100%;
    height:600px;
    position:relative;
    margin-top: -80px;
}
.bgpng img{
    width:100%;
    height:610px;  
}

/* 顶部导航栏 */
.Topnav{
    width:100%;
    height:80px;
    z-index:10;
    position: sticky;
    top:0;left:0;
    display:flex;
    z-index: 999;
    background: rgba(0, 0, 0, 0.62);
}
.logo{
    width:25%;
    height:100%;
    display:flex;
    align-items:center;
    justify-content:center;
}
.logo span{
    font-family: alimama;
    font-size: 28px;
    color: #fff;
    font-weight: bold;
}
.logoimg{
    width:40px;
    height:40px;
    margin-right:10px;
}
.logoimg img{
    width:40px;
    height:40px;
}

.Navtag{
    margin-left:20%;
    width:50%;
    height:100%;
    display:flex;
    justify-content:right;
   
}
.linecclass{
    position: relative;
}

.line {
    width: 90%;
    height: 3px;
    background: #ffbc39;
    position: absolute;
    bottom: 23px;
    border-radius: 5px;
}

.Navtag ul{
    display:flex;
    font-size:16px;
    line-height:80px;
    
}
.Navtag li{
    margin-right:50px;
    font-family: alimama;
    font-weight:500;
    display: flex;
    justify-content: center;
}
.Navtag a{
    color:#fff;
}