.bignav{
    margin:30px 0;
}
.bignav a{
    float:left;
    width:20%;
    position: relative;    
}
.bignav a h3{
    width: 100%;
    text-align: center;
    position: absolute;
    top:40%;
    color:#fff;
    font-size: 16px;;
}
.bignav a h3:after{
    content:"";
    display: block;
    width:10%;
    height: 1px;
    background-color: #fff;
    position: absolute;
    left: 50%;
    bottom:-10px;
    transform: translateX(-50%);
}

.show .video{
    width: 48%;
    float: left;    
}
.show .video video{
    width: 100%;
}
.show .intro{
    width: 48%;
    float: right;
    background-color: #f8eee1;
    padding:15px 25px;
}
.intro img{
    display: block;
    margin: 0 auto;
}
.intro p{
    font-size: 15px;
    padding: 5px 0;
    line-height: 2;
}
.intro .spe{
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}
.intro .spe span{
    width:40%;
    height: 32px;
    line-height: 32px;
    background-color: #efc28a;
    font-size: 15px;
    text-align: center;
    border-radius: 5px;
    margin:12px 0;
}
.servicebox {
    margin-top:50px;
}
.servicebox h2{
    font-size: 24px;
    font-weight: bold;
    text-align: center;
    position: relative;
    margin-bottom: 40px;
}
.servicebox h2:before{
    content:"";
    position: absolute;
    left: 0;
    background: url(/Resource/Images/left.png) no-repeat right;
    height: 7px;
    width:calc(50% - 100px);
    top:50%;
    transform: translateY(-50%);
}
.servicebox h2:after{
    content:"";
    position: absolute;
    right: 0;
    background: url(/Resource/Images/right.png) no-repeat;
    height: 7px;
    width:calc(50% - 100px);
    top:50%;
    transform: translateY(-50%);
}

.servicebox ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.servicebox ul li{
    width: 285px;   
    font-size: 15px; 
    margin-bottom: 30px;
    line-height: 1.5;
}
.servicebox ul li p{
    padding-top:5px;
}

@media (max-width:1250px) { 
    .intro p{
        line-height: 1.5;
    }
    .intro .spe span{
        margin: 5px 0;
    }
   
}
@media (max-width:960px) { 
    .show .video,.show .intro{
        width: 100%;
    }
    .show .intro{
        margin-top:20px;
    }


}
@media (max-width:640px) { 
    .layout{
        padding:0 10px;
    }
    .bignav a{
        width: 50%;
    }
    .bignav a img{
        width: 100%;
    }
    .servicebox ul{
        justify-content: center;
    }
    .servicebox ul li{
        max-width: 100%;
    }
}