.container{
    width: 1200px;
    margin: 0 auto;
}
.container_1000 {
    width: 1000px;
    margin:0 auto;
}
@media (max-width: 1500px) {
    .announce-list {
        width: 1000px;
        margin:0 auto;
    }
}
.clearfix:before,.clearfix:after{
    content: '';
    display: table;
    clear: both;
}

.fl{
    float: left;
}

.fr{
    float: right;
}

body{
    font-size: 12px;
    font-family: "Microsoft Yahei";
    background-color: #fafafd;
    min-width: 1200px;
}

a{
    text-decoration: none;
}

div,a,span,ul,li,h1,h2,h3,h4,h5,h6,input,p{
    box-sizing: border-box;
}

i,b,u,s{
    font-style: normal;
}

/*公用类*/
.top-banner{
    width: 100%;
    height: 380px;
    position: relative;
}

.banner_outer {
    height: 380px;
    overflow: hidden;
    position: absolute;
    width: 100%;
}
.banner_item {
    height: 100%;
    left: 100%;
    overflow: hidden;
    position: absolute;
    top: 0;
    width: 100%;
}
.banner_item:first-child {
    left: 0;
}
.banner_item > img {
    height: 380px;
    left: 50%;
    position: absolute;
    top: 0;
    transform: translateX(-50%);
}

.commontit{
    padding-left: 15px;
    padding-bottom: 20px;
    color:rgba(68,68,68,1);
    font-size:18px;
    position: relative;
    font-weight: bold;
    border-bottom: 1px solid #F3F3F3;
}

.commontit:before{
    content: '';
    width:5px;
    height:20px;
    background:rgba(64,158,255,1);
    position: absolute;
    left: 0;
    top: 3px;
    vertical-align: middle;
}

/*头部*/
.header{
    width: 100%;
    height: 80px;
    background-color: #fff;
}

.header img{
    width:148px;
    vertical-align: middle;
    margin-top: 17.5px;
}
.header .rul li{
    padding: 0 40px;
    float: left;

}
.header .rul li a{
    display: inline-block;
    width: 100%;
    height: 100%;
    font-size:16px;
    color:rgba(68,68,68,1);
    line-height: 77px;
}
.header .rul li a.active{
    color:rgba(64,158,255,1);
    border-bottom: 3px solid #409EFF;
}

/*底部*/
.footer{
    width: 100%;
    background:rgba(51,51,51,1);
    text-align: center;
    padding-top: 20px;
    padding-bottom: 10px;
}

.footer p{
    color:rgba(187,187,187,1);
    line-height: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}
.footer span {
    margin:0 10px;
}
.footer em {
    margin-left: 10px;
}
.footer p a {
    display: flex;
    align-items: center;
    justify-content: center;
}