.banner {
    /*margin-bottom: 115px;*/
    position: relative;
}
.banner .video {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 5;
    width: 100%;
    height: 100%;
    opacity: .7;
}
.banner .video video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%; }

.wrap .pic img {
    float: left;
    width: 100%;
    margin: 5px 0;
    margin-bottom: 1.15rem;
}

.wrap .ttt p {
    float: left;
    width: 100%;
    line-height:1;
    /* margin: 5px 0; */
}

.wrap .ttt .en {
    font-size: 32px;
    color: #231815;
    line-height:1;
    margin:12px 0;
}

.wrap .ttt .cn {
    font-size: 18px;
    color: #231815;
    line-height: 1;
    margin-bottom:16px;
}

.wrap .ttt .it {
    font-size: 14px;
    color: #403c3b;
    line-height:1;
    margin-bottom:36px;
}

.wrap .pic.sl {
    width: 100%;
    display: table;
    overflow: hidden;
    margin-bottom: 1.15rem;
}

.wrap .pic.sl .pit {
    position: relative;
    z-index: 2;
    width: 24%;
    height: 0;
    padding-bottom: 26.1294964028777%;
    display: table-cell;
    padding-right: 1%;
}

.wrap .pic.sl .pit .ia,
.wrap .pic.sl .pit .ib,
.wrap .pic.sl .pit .ic {
    position: absolute;
    cursor: pointer;
    width: 96%;
    height: 96%;
    left: 0;
    top: 0;

}

.wrap .pic.sl .pit .ib,
.wrap .pic.sl .pit .ic {
    opacity: 0;
}

.wrap .pic.sl .pit:hover .ic {
     /*animation-delay: 0.1s;
      animation-name: fadeInLeft;*/
     opacity: 1;
     /*animation-duration: 0.5s;*/
 }

.wrap .pic.sl .pit:hover .ib {
    /* animation-delay: 0.1s;
     animation-duration: 2s;
     animation-name: fadeIn;*/
    opacity: 1;
}

.wrap .pic.sl .pit:hover .ia {
    /*animation-delay: 0.1s;
    animation-duration: 2s;
    animation-name: fadeOut;*/
    opacity: 0;
}

@media all and (max-width: 960px) {
    .wrap .pic.sl {
        width: 100%;
        height: 200%;
        display: block;
        overflow: hidden;
        margin-bottom: 1.15rem;
    }
    .wrap .pic.sl .pit {
        position: relative;
        z-index: 2;
        width: 49%;
        height: 0;
        padding-bottom: 53.347%;
        display: block;
        float: left;
        padding-right: 1%;
    }
    #gotop{
        display: none;
    }
    .banner {
        margin-bottom: 0;
    }
    .wrap .ttt .cn,
    .wrap .ttt .en,
    .wrap .ttt .it {
        font-size: 16px;
        line-height: 2;
        margin: 0;
        padding: 0;
        /*height: 12px;*/
    }
}