@charset "utf-8";

.main{
    width:1200px;
    margin:0 auto;
}

.ztn{
    width:100%;
    overflow:hidden;
}
.ztn .ztn_title{
    margin-top:100px;
    margin-bottom:45px;
}
.ztn .ztn_title h3{
    font-size:45px;
    color:#4c4c4c;
    text-align: center;
}
.ztn .ztn_title p{
    font-size:14px;
    color:#adadad;
    text-align: center;
    margin-top:3px;
}
.ztn .ztn_title img{
    margin:18px auto 0 auto;
}
.ztn .ztn_title img.m_hr{
    display:none;
}
.ztn_2{
    background-color: #fff;
}
.ztn_2 .container{
    width:100%;
    overflow: hidden;
    margin-bottom:75px;
    position:relative;
}
.ztn_2 .swiper-button-prev{
    background-image: url(../images/left.png);
}
.ztn_2 .swiper-button-next{
    background-image: url(../images/right.png);
}
.ztn_2 .container .box{
    width:100%;
    height:460px;
    float:left;
    position:relative;
    overflow: hidden;
}
.ztn_2 .container .box img{
    width:98%;
}
.ztn_2 .container .box .info{
    width:98%;
    height:200px;
    background: rgba(0,0,0,0.8);
    bottom:-82px;
    position:absolute;
    padding:0 60px;
    box-sizing: border-box;
    transition: 0.5s;

}
.ztn_2 .container .box:hover .info{
    bottom:0;
    transition: 0.5s;
    background: rgb(22 52 199 / 80%);
}
.ztn_2 .container .box .info p{
    font-size:34px;
    color:#ffffff;
    margin-top:15px;
    text-align: center;

}
.ztn_2 .container .box .info span{
    font-size:18px;
    color:#ffffff;
    margin-top:15px;
    display:block;
    text-align: center;
}