.nav{
    background: rgba(0,0,0,.5);
}
.banner{height: 80px;}
.zz-box{
    width: 1400px;
    background: #fff;
    margin: 24px auto 7px;
    border-radius: 5px;
    box-shadow: 2px 2px 6px 0 #d1d1d1;
    overflow: hidden;
}
.zz-tit{
    text-align: center;
    font-size: 36px;
    height: 78px;
    line-height: 78px;
    margin-top: 10px;
}
.zz-wrap{
    width: 1370px;
    margin: 0 auto 0;
}
.swiper1{
    width: 722px;
    height: 800px;
    margin: 10px auto 0;
    box-shadow: 8px 8px 20px rgba(0,0,0,.2);
}
.swiper1 .swiper-slide{
    width: 722px;
    height: 800px;
    position: relative;
    background: #fff;
    text-align: center;
    overflow: hidden;
}
.slide-img{
    width: calc(100% - 30px);
    height: 770px;
    line-height: 770px;
    margin: 15px auto;
}
.swiper1 .swiper-slide img,.swiper2 .swiper-slide img,.mask-img img{
    max-height: 100%;
    max-width: 100%;
    vertical-align: middle;
}
.slide-text{
    width: 100%;
    position: absolute;
    left: 0;
    bottom: 0;
    background: rgba(0,0,0,.5);
    text-align: center;
    color: #fff;
    line-height: 20px;
    padding: 5px 0;
}
.swiper2-wrap{
    width: 722px;
    height: 80px;
    margin: 10px auto;
    background: #303030;
    overflow: hidden;
}
.swiper2{
    width: 690px;
    height: 50px;
    margin: 10px auto 0;
}
.swiper2 .swiper-slide{
    width: 90px;
    height: 60px;
    line-height: 60px;
    text-align: center;
}

.mask-div{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,.5);
    z-index: 99999;
    display: none;
}
.mask-div .mask-main{
    width: 80%;
    height: 100%;
    max-width: 1000px;
    background: #fff;
    position: relative;
    margin: 0 auto;
}
.mask-top{
    width: 100%;
    height: 50px;
    line-height: 50px;
    color: #000;
    border-bottom: 1px solid #F0F0F0;
}
.mask-text{
    width: calc(100% - 70px);
    float: left;
    font-size: 14px;
    margin-left: 30px;
}
.mask-text p{
    overflow : hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}
.mask-close{
    width: 40px;
    height: 50px;
    float: right;
    text-align: center;
    color: #2D2C3B;
    cursor: pointer;
}
.mask-img{
    overflow: hidden;
    width: 100%;
    height: 100%;
    line-height: 100vh;
    text-align: center;
}