#header{min-width:1200px; background-color:#fff; font-size:16px;}
#header .box{width:1200px; height:70px; margin:0 auto; display:flex; align-items:center;}
#header .box .logo{width:125px;}
#header .box .logo img{width:125px;}
#header .box ul{width:840px; margin:0 30px;}
#header .box ul li{width:105px; height:70px; line-height:70px; display:inline-block; text-align:center; font-size:16px;}
#header .box ul li a{color:#555;}
#header .box ul li.active{}
#header .box ul li.active a{color:#000; font-weight:bolder;}
#header .box .login{width:175px; text-align:right; font-size:14px;}
#header .layui-nav{width:175px; background-color:#fff; color:#000; padding:0; text-align:right; position:static;}
#header .layui-nav .layui-nav-item a{display: inline-block;
    padding: 0.65rem 1.5rem;
    line-height: 1em;
    border-radius: 2rem;
    background: linear-gradient(to right, #ff2a00 0%, #ff5016 93%);
    color: #fff;}
#header .layui-nav .layui-nav-child dd{text-align:center;}
.layui-nav{top:-6px;}
.layui-nav .layui-this:after,.layui-nav-bar{background-color:#fff;}
.layui-carousel-arrow{width:50px; height:50px; line-height:50px; margin-top:-25px;}

#about .box{width:1200px; margin:0 auto;}
#about .box dl{width:250px; float:left; line-height:28px;}
#about .box dl dt{font-size:14px; font-weight:bold;}
#about .box dl dt font{font-size:12px; margin-left:30px; font-weight:400;}
#about .box dl dd{color:#898989;}
#about .box dl dd img{width:100px; height:100px;}
#about .box .copyright{background-color:#fff; padding-top:20px; margin-top:15px; text-align:center; border-top:2px solid #f9f9f9;}
#about .box .copyright img{width:15px; height:15px; vertical-align:-3px;}
#pages{text-align:center;}
#help{position:fixed; right:20px; bottom:15%; font-size:12px; color:#333;}
#demand,#help .help,#backtop{background-color:#fff; border-radius:4px; box-shadow:5px 5px 10px #e1e1e1; cursor:pointer; width:45px; height:45px; display:flex; justify-content:center; align-items:center;}
#help .help{margin:8px 0;}
#help .help .shell{position:absolute; right:45px; padding-right:10px; display:none;}
#help .help .shell ul{background-color:#fff; border-radius:4px; box-shadow:5px 5px 10px #e1e1e1;}
#help .help .shell ul li{width:100px; line-height:40px; text-align:center;}
#help .help .shell ul li:first-child{border-bottom:1px solid #f3f3f3;}
#backtop{visibility:hidden;}

#header {
    min-width: 1200px;
    background-color: #fff;
    font-size: 16px;
    position: fixed;
    top: 0;
    z-index: 999;
    width: 100%;
    background: rgba(255 255 255 / 80%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}
#header .layui-nav {
    background-color: transparent;
}
#header .box ul li a {
    color: #555 !important;
}

#header .box ul li.active {
    background-color: transparent !important;
}
#header .box ul li.active a {
    color: #000;
    font-weight: bolder;
}
#header .logo a {
    display: block;
    background: url(https://image.mnktclub.com/resource/2023/06/02/6479c25240cf7.png) left center no-repeat transparent;
    width: 120px;
    height: 50px;
    z-index: 1;
    background-size: contain;
}
#header .box .logo img {
    width: 125px;
    display: none;
}