body{
    background-color: #ffffff;
}
.container{
    width: 1200px;
    margin: 0 auto;
}
/* 超出一行、两行、三行省略start */
.over_one{
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    word-break: break-all;
}
.over_two{
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}
.over_three{
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
}
/* 超出两行省略end */

/* 导航栏start */
.nav{
    width: 100%;
    height: 100px;
    font-size: 0;
    line-height: 100px;
    background-color: #ffffff;
}
.nav .logo{
    display: inline-block;
    width: 180px;
    height: 62px;
    margin-right: 120px;
    overflow: hidden;
    vertical-align: middle;
}
.nav .logo>img{
    width: 100%;
    height: 100%;
}
.nav .nav_item{
    position: relative;
    display: inline-block;
    font-size: 16px;
    color: #333333;
    margin-right: 46px;
    text-decoration: none;
    vertical-align: middle;
    cursor: pointer;
}
.nav .nav_item>a{
    color: #333333;
    text-decoration: none;
}
.nav .nav_item:last-of-type{
    margin-right: 0;
}
.nav .nav_item_act{
    position: relative;
    font-size: 18px;
    color:#1D2088;
}
.nav .nav_item_act a{
    color: #1D2088;
}
.nav .nav_item_act::after{
    content: "";
    display: block;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 140%;
    height: 5px;
    margin-left: -20%;
    border-radius: 1px;
    background-color: #1D2088;
}
.nav .nav_item:hover::after{
    content: "";
    display: block;
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 2px;
    border-radius: 1px;
    background-color: #ffffff;
}
.nav .nav_item .child_nav{
    box-sizing: border-box;
    position: absolute;
    top: 100px;
    left: -50%;
    z-index: 9;
    height: 0;
    padding: 0 30px;
    white-space: nowrap;
    background-color: #ffffff;
    overflow: hidden;
    transition: all 0.5s;
    box-shadow: 0 0 5px 0 #666666;
}
.nav .nav_item .child_nav .left{
    display: inline-block;
    margin-top: 30px;
    margin-bottom: 30px;
    vertical-align: top;
}
.nav .nav_item .child_nav .img{
    display: inline-block;
    width: 200px;
    height: 130px;
    margin: 30px 0;
    margin-left: 30px;
    vertical-align: top;
}
.nav .nav_item .child_nav .img>img{
    width: 100%;
}
.nav .nav_item:hover .child_nav{
    height: auto;
}
.nav .nav_item .child_nav .child_item{
    display: block;
    width: 100%;
    line-height: 40px;
    font-size: 16px;
    color: #666666;
    text-align: center;
    white-space: nowrap;
    padding: 0 10px;
    text-decoration: none;
    background-color: #ffffff;
    border-bottom: 1px solid #666666;
}
.nav .nav_item .child_nav .child_item:hover{
    color: #1D2088;
    border-color: #1D2088;
    transition: all 0.3s;
}
.nav .tel{
    display: inline-block;
    float: right;
    font-size: 14px;
    color: #00A1E0;
    text-decoration: none;
    vertical-align: middle;
}
/* 导航栏end */

/* 底部栏部分start */
.footer{
    font-size: 0;
    padding: 30px 0;
    background-color: #595757;
    overflow: hidden;
}
.footer .container>div{
    display: inline-block;
    vertical-align: top;
}
.footer .blogroll{
    width: 100%;
    padding: 15px 0;
    margin-top: 30px;
    margin-bottom: 30px;
}
.footer .blogroll a{
    display: inline-block;
    font-size: 14px;
    color: #bbb;
    text-decoration: none;
    margin-right: 15px;
}
.footer .blogroll .title{
    font-size: 14px;
    color: #bbb;
}
.footer .blogroll .link:hover{
    color: #ffffff;
    transition: all 0.3s;
}
.footer .focus{
    float: right;
    display: inline-block;
}
.footer .focus .code>div{
    display: inline-block;
    width: 76px;
    margin-right: 10px;
}
.footer .focus .code>div:last-of-type{
    margin-right: 0;
}
.footer .focus p{
    font-size: 14px;
    color: #bbb;
    margin: 0;
    padding: 0;
}
.footer .focus .title{
    margin-bottom: 8px;
}
.footer .focus .code .img{
    width: 76px;
    height: 76px;
    overflow: hidden;
}
.footer .focus .code .img>img{
    width: 100%;
    height: 100%;
}
.footer .focus .code .item>p{
    font-size: 12px;
    text-align: center;
    margin-top: 2px;
}
.footer .link_list{
    display: inline-block;
    margin-right: 65px;
    padding: 0 20px 0 0;
    overflow: hidden;
}
.footer .link_list:last-of-type{
    margin-right: 0;
}
.footer .link_list>a{
    display: block;
    font-size: 12px;
    color: #bbb;
    text-decoration: none;
}
.footer .link_list .title{
    font-size: 14px;
    color: #ffffff;
    margin-bottom: 20px;
}
.footer .link_list .link{
    margin-top: 12px;
    transition: all 0.3s;
}
.footer .link_list .link:hover{
    color: #ffffff;
}
.footer .copy{
    width: 100%;
    font-size: 12px;
    color: #bbb;
    text-align: center;
    margin-top: 10px;
}
.footer .copy a{
    color: #bbb;
    margin: 0 10px;
    text-decoration: none;
}
/* 底部栏部分end */