/* 头部 */
#head{
    background-image:url(./top_bg.jpg);
    background-position:center top;
    background-size: cover;
    height: 125px;
}
.art_head{
    line-height: 125px;
}

/* 导航 */
#nav{
    height: 50px;
    background-color: #015bb5;
    font-size: 0;
}
#nav li{
    line-height: 50px;
    width: 12.5%;
    display: inline-block;
    vertical-align: middle;
    height: 50px;
}
#nav a{
    font-size: 18px;
    height: 14px;
    display: inline-block;
    vertical-align: middle;
    width: 100%;
    text-align: center;
    line-height: 14px;
    border-left: 1px solid white;
    color: white;
}
#nav a:hover{
    color: #f0a440;
}
#nav li:first-of-type a{
    border-left: none;
}
#nav li::first-of-type a{
    border-left: none;
}
#nav li:first-child a{
    border-left: none;
}

/* 页脚 */
.art_foot{
    background-image: url(./bottom_bg.jpg);
    background-position: center top;
    background-size: cover;
    padding: 20px 0;
}
.foot_art .fl{
    font-size: 14px;
    color: white;
    line-height: 28px;
    padding: 15px 0;
}
.foot_art .fr .img{
    display: inline-block;
    vertical-align: middle;
    text-align: center;
    color: white;
    font-size: 14px;
    margin:0 10px;
}
.foot_art .fr p{
    margin-top:12px;
}
.copyright{
    color: #a6bcde;
    padding:18px 0;
    line-height: 12px;
    font-size: 12px;
    text-align: center;
    background-color: #1065b9;
}
.copyright a:hover{
    text-decoration: underline;
}
/* 手机导肮 */
.subnav {
    position: absolute;
    width: 95%;
    padding: 0 2.5%;
    height: 100%;
    overflow-y: scroll;
    background-color:#327dce;
    z-index: 50;
    transition: all 0.5s;
    top: 0;
}
.subnav.off{
    margin-left: -100%;
}
.subnav .return {
    font-weight: bold;
    font-size: 22px;
    text-align: right;
    display: block;
    font-size: 24px;
    color: #ffffff;
    height: 40px;
    line-height: 40px;
    font-weight: 500;
    margin-top: 0;
    padding: 20px;
    margin-top: 0px;
    background: #015bb5;
    border-bottom: 1px solid #015bb5;
}
.subnav li {
    width: 100%;
    line-height: 40px;
    font-size: 16px;
    border-bottom: 1px solid #015bb5;
}
.subnav li .a_pho_nav {
    display: block;
    font-size: 18px;
    color: #A6BCDE;
    line-height: 24px;
    padding: 10px 20px;
}
.art_head .icon-menu{
    color: white;
    font-size: 40px;
    float: right;
}
.art_foot .img .wxpng{
    position: absolute;
    transition: all 0.5s;
    width: 100px;
    height: 100px;
    margin-left: -100px;
}
.art_foot .img:hover .wxpng{
    display: block;
}

.subnav li ul li{
    border: 0;
}
.subnav li ul li a{
    display: block;
    padding: 0;
    line-height: 30px;
    color: white;
    height: 0px;
    overflow: hidden;
    transition: all 0.5s;
}
.subnav li ul.on{
    margin-top: 10px;
}
.subnav li ul.on li a{
    height: 30px;
}