.app{
    background-image: url(../images/app_top.jpg);
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;}
.app .t_title{
    font-size: 30px;
    font-weight: bold;
    text-align: center;
    color: #ffffff;
    height: 200px;
    line-height: 200px;
    width: 40%;
    margin: 0px auto;
    position: relative;}
.app .t_title h2::before {
    content: "Application";
    border-bottom: 1px solid #ffffff;
    color: transparent;
    position: absolute;
    top:-100px;
    left: -160px;}
.app .t_title h2::after {
    content: "Application";
    border-bottom: 1px solid #ffffff;
    color: transparent;
    position: absolute;
    top:-100px;
    right: -160px
;}


.app_bottom .t_title{
    font-size: 30px;
    font-weight: bold;
    text-align: center;
    color: #000;
    height: 200px;
    line-height: 200px;
    width: 40%;
    margin: 0px auto;
    position: relative;}
.app_bottom .t_title h2::before {
    content: "Application";
    border-bottom: 1px solid #999;
    color: transparent;
    position: absolute;
    top:-100px;
    left: -160px;}
.app_bottom .t_title h2::after {
    content: "Application";
    border-bottom: 1px solid #999;
    color: transparent;
    position: absolute;
    top:-100px;
    right: -160px
;}

.app_about{
    padding-top: 50px;
    padding-bottom: 50px;
    background-color: #ffffff;}
.app_l {
    text-align: center;
   }
.app_l .iconfont{
    font-size: 100px;
   color: #CA9961;}
.app_l h2{
    font-size: 30px;
    color: #CA9961;
    margin-top: 10px;}
.app_line{
    border-bottom: 1px solid #999;
    margin-bottom: 50px;}

.app_zs{
    background-color: #961D3C;
    padding:50px 0px;}
.app_zs ul{}
.app_zs ul li .item{
    background-color: #ffffff;
    padding: 30px;
    height: 510px;}
.app_zs ul li .item p{
    line-height: 30px;}
.app_zs ul li .item h2{
    
    line-height: 30px;
    font-weight: bold;
    color: #961D3C
;}
.app_zs ul li .item a{
    color: #961D3C;
    font-weight: bold;}

.app_bottom{
    background: #ffffff;
    padding-bottom: 50px;}
.app_bottom_t{
    text-align: center;
    font-weight: bold;
    color: #961D3C;
    font-size: 20px;
    line-height: 28px;}
.app_bottom_list{
    margin: 30px auto;}
.app_bottom_list li{
    width: 20%;
    float: left;
    text-align: center;}
.app_bottom_list li .iconfont{
    color: #961D3C;
    font-size: 60px;}
@media screen and (min-width: 1024px) and (max-width: 1200px)
{
    .app_zs ul li .item{
        height: 600px;}
}
@media screen and (max-width: 1024px) 
{
}
@media screen and (max-width: 768px){
    .app_l {
        padding-top: 0px;
        margin-bottom: 30px;}
    .app_zs ul li .item{
        height: auto;}
}
@media screen and (max-width: 580px){

    .app .t_title{
        font-size: 30px;
        font-weight: bold;
        text-align: center;
        color: #ffffff;
        height: 200px;
        line-height: 200px;
        width: 100%;
        margin: 0px auto;
        position: relative;}
    .app .t_title h2::before {
        content: "-";
        border-bottom: 1px solid #ffffff;
        color: transparent;
        position: absolute;
        top:0px;
        left: 0px;}
    .app .t_title h2::after {
        content: "-";
        border-bottom: 1px solid #ffffff;
        color: transparent;
        position: absolute;
        top:0px;
        right: 0px
    ;}


    .app_bottom .t_title{
        font-size: 30px;
        font-weight: bold;
        text-align: center;
        color: #000;
        height: 100px;
        line-height: 100px;
        width: 100%;
        margin: 0px auto;
        position: relative;}
    .app_bottom .t_title h2::before {
        content: "-";
        border-bottom: 1px solid #999;
        color: transparent;
        position: absolute;
        top:-50px;
        left: 0px;}
    .app_bottom .t_title h2::after {
        content: "-";
        border-bottom: 1px solid #999;
        color: transparent;
        position: absolute;
        top:-50px;
        right: 0px
    ;}
    .app_bottom_list li{
        width: 50%;
        float: left;
        text-align: center;
        margin-bottom: 30px;}

}