.banner {
    width: 100%;
    position: relative;
}
.banner .wrapper_content{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}
.banner img{
    width: 100%;
}
.banner .banner_info{
    color: #fff;
    position: relative;
    padding-bottom:30px;
}
.banner .banner_info .banner_tit1{
    font-size: 40px;
    line-height:55px;
    font-weight: 100;
}
.banner .banner_info .banner_tit2{
    font-size: 46px;
    line-height:55px;
}
.banner .banner_info::after{
    content: "";
    display: block;
    width: 50px;
    height: 6px;
    background: #fff;
    position: absolute;
    left: 0;
    bottom: 0;
}

.products .pro_con{
    margin: 100px 0px;
    padding-bottom: 70px;
    border-bottom: 1px solid #e5e5e5;
}
.products .pro_con:last-child{
    border-bottom: 0 none;
    padding-bottom: 0;
}
.products .pro_tit{
    font-size: 36px;
    color: #333;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 10px;
}
.products .pro_tit::after{
    content: "";
    display: block;
    width: 50px;
    height: 6px;
    background: #d50000;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
}
.products .pro_list{
    width: 100%;
    font-size: 0;
    text-align: center;
}
.products .pro_list .pro_item{
    display: inline-block;
    width: 30.6%;
    margin-right: 4.1%;
    font-size: 30px;
    color: #333;
    text-align: center;
    margin-bottom: 30px;
}
.products .pro_list .pro_item:nth-child(3n){
    margin-right: 0;
}
.products .pro_list .pro_item .item_img{
    width: 100%;
    padding: 80px 40px;
    background: #f2f2f2;
    overflow: hidden;
}
.products .pro_list .pro_item .item_img img{
    width: auto;
    max-width:298px;
    max-height: 189px;
    transition: all 1s;
    -webkit-transition: all 1s;
}
.products .pro_list .pro_item:hover .item_img img{
    transform: scale(1.1);
}
.products .pro_list .pro_item p{
    margin-top: 30px;
    font-weight: 600;
    position: relative;
    display: inline-block;
}
.products .pro_list .pro_item p::after{
    position: absolute;
    width: 0;
    right: 0;
    left: auto;
    bottom: 0;
    height: 2px;
    background-color: #d7000f;
    transition: 0.4s cubic-bezier(0.260, 0.005, 0.000, 1.035);
    content: "";
}
.products .pro_list .pro_item:hover p{
    color: #d7000f;
}
.products .pro_list .pro_item:hover p::after{
    width: 100%;
    left: 0;
    right: auto;
}
@media only all and (max-width:1440px) {
    .banner .banner_info .banner_tit1 {
        font-size: 30px;
    }
    .banner .banner_info .banner_tit2 {
        font-size: 36px;
    }
    .products .pro_list .pro_item{
        font-size: 28px;
    }
}
@media only all and (max-width:768px){
    .products .pro_list .pro_item{
        width: 48%;
        margin-right: 4%;
    }
    .products .pro_list .pro_item:nth-child(3n) {
        margin-right: 4%;
    }
    .products .pro_list .pro_item:nth-child(2n){
        margin-right: 0;
    }
    .products .pro_con{
        margin: 60px 0px;
    }
}
@media only all and (max-width:550px){
    .banner img{
        height: 150px;
    }
    .banner .banner_info .banner_tit1{
        font-size: 18px;
        line-height: 30px;
    }
    .banner .banner_info .banner_tit2{
        font-size: 28px;
        line-height: 30px;
    }
    .banner .banner_info{
        padding-bottom: 20px;
    }
    .products .pro_list .pro_item{
        width: 100%;
        margin-right: 0;
        margin-bottom: 60px;
    }
    .products .pro_list .pro_item p{
        margin-top: 20px;
        font-size: 24px;
    }
    .products .pro_tit{
        font-size: 30px;
    }
}