body{
    background-image: url("../image/common/Inner_bg.jpg");
    background-repeat: no-repeat;
    background-size: 100% 100%;
    height: 100%;
    width: 100%;
    /*padding: 40px;*/
    font-family: sans-serif;
    background-attachment: fixed;
    -webkit-background-size: cover;
    -o-background-size: cover;
    -moz-background-size: cover;
    overflow: hidden;
}
.all{
    width: 100%;
    height: auto;
    padding-bottom: 40px;
}
.container_top{
    margin-top: 210px;
    margin-bottom: 30px;
    width:100%;
}
.container_top .top_show_model{
    width: 930px;
    height: auto;
}
.container_bottom{
    height: 171px;
    width:100%;

}
.container_bottom .bottom_model{
    height: 100%;
    width: 1560px;
}
.container_bottom .bottom_model .bottom_show_model{
    height: 100%;
    width: 300px;
    margin-right: 15px;
}
.container_bottom .bottom_model .bottom_show_model:last-child{
    margin-right: 0px;
}
nav ul li span.active div{
    background: #464646;
    height: 4px;
    width: 80%;
}

nav ul li span.active a{
    color: #464646;
}
.pic_title{
    color: #464646;
    display: block;
    font-size: 16px;
}
.pic_detail{
    color: #464646;
    display: block;
    font-size: 12px;
}