body {
    font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "\5FAE\8F6F\96C5\9ED1", Arial, sans-serif;
    background-color: #fff;
    color: #666;
}

* {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

a{
    text-decoration: none;
    color: #404040;
}

a.blue:link,
a.blue:visited {
    color: #007bff;
}
a.blue:hover,
a.blue:active {
    color: #f56c6c;
    text-decoration: none;
}

img{
    vertical-align: top;
    margin:0;
}

.icon {
    width: 1em; height: 1em;
    vertical-align: -0.15em;
    fill: currentColor;
    overflow: hidden;
}

.wrap {
    width: 1200px;
    margin: 0 auto;
}

.flex{
    display: flex;
}

.mt{
    margin-top: 3rem;
}


#app{
    padding-top: 199px;
}

.app-header{
    border-top: 3px solid #196DC5;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    z-index: 9;
    background-color: #ffffff;
}

.app-header .top{
    height: 138px;
    position: relative;
}

.app-header .top::after{
    width: 50%;
    left: 50%;
    right: 0;
    top: 0;
    position: absolute;
    z-index: 1;
    height: 34px;
    content: "";
    background-color: #196DC5;
}

.app-header .top .wrap{
    position: relative;
}


.app-header .top .img{
    position: relative;
    z-index: 2;
}

.app-header .top ul{
    position: absolute;
    top: 0;
    right: 0;
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    z-index: 3;
    background-color: #196DC5;
}

.app-header .top ul::before{
    position: absolute;
    top:0;
    left:-34px;
    content: "";
    width: 0;
    height: 0;
    border: 17px solid transparent;
    border-top-color: #196DC5;
    border-right-color: #196DC5;
}

.app-header .top ul li{
    display: flex;
    align-items: center;
    height: 34px;
    padding: 0 0.5rem;
}

.app-header .top ul li img{
    width: 20px;
    height: 20px;
    margin-right: 8px;
}

.app-header .top ul li a{
    color: #ffffff;
    font-size: 14px;
}

.app-header .top ul li a:hover{
    color: #FF9600;
}

.app-header .menu {
    background-color: #2249C4;
}

.app-header .menu ul{
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.app-header .menu ul li{
    flex: 1;
    position: relative;
}

.app-header .menu ul li::after{
    position: absolute;
    top: 35%;
    bottom: 35%;
    width: 0;
    right: 0;
    content: "";
    border-right: 1px dashed #B7BCEA;
}

.app-header .menu ul li:last-child::after{
    display: none;
}

.app-header .menu ul li .title{
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    color:#ffffff;
    height: 58px;
}

.app-header .menu ul li.active .title,
.app-header .menu ul li .title:hover{
    color: #FF9600;
}

.app-header .menu ul li dl{
    position: absolute;
    top: 58px;
    left: 0;
    right: 0;
    z-index: 2;
    display: none;
    margin: 0;
    padding: 0.5rem 0;
    background-color: #2249C4;
}

.app-header .menu ul li:hover dl{
    display: block;
}

.app-header .menu ul li dl dd{
    margin: 0;
    padding: 0;
}

.app-header .menu ul li dl dd a{
    display: flex;
    height: 38px;
    justify-content: center;
    align-items: center;
    color:#ffffff;
}

.app-header .menu ul li dl dd a:hover{
    background-color: #4C57CA;
    color: #FF9600;
}

.app-baner{
    position: relative;
    z-index: 1;
}

.app-footer{
    background-color: #272727;
    color:#f2f2f2;
    padding: 3rem 0;
}

.app-footer .l{
    flex: 1;
}

.app-footer .l .title{
    font-size: 34px;
    font-weight: bold;
    line-height: 1;
    margin-bottom: 2rem;
}

.app-footer .l .diqu{
    display: flex;
    align-items: center;
}

.app-footer .l .diqu a{
    color:#ffffff;
    margin-right: 1rem;
}

.app-footer .r{
    width: 160px;
}

.app-footer .r .qrcode img{
    width: 100%;
}

.app-footer .r .qrcode .title{
    font-size: 12px;
    text-align: center;
    margin-top: 10px;
}

.app-copyright{
    background-color: #2249C4;
}

.app-copyright .flex{
    height: 48px;
    color:#ffffff;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
}

.app-copyright .flex a{
    color:#ffffff;
}


@media screen and (min-width: 1920px) {
    #app {
        width: 1920px;
        margin: 0 auto;
    }

    .app-header{
        border-top: 3px solid #196DC5;
        position: fixed;
        left: 50%;
        top: 0;
        width: 1920px;
        margin-left: -960px;
    }
}