main {
    position: relative;
    padding-top: 100px;
    margin-bottom: 100px;
} 
.Heads{ 
    overflow: hidden;
    position: relative;
    width: 100%;
    height: 0;
    padding-top: 20%;
}
.Heads img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.Heads::before{
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50px;
    z-index: 2;
    content: '';
    background-image: url('../img/Head-Bj/z.png');
}
main{
    display: flex;
    justify-content: center;
}
.Box {
    /* background-color: red; */
    width: 100%; 
    padding: 0 !important;
}
.Box  .col-lg-8,
.Box  .col-lg-4{
    padding: 0;
}


.Box .pro_lis li{
    width: 100%;
    margin: 0 0 5%;
    /* float: left; */
    border: 1px solid #dddddd;
    background: #fff;
    padding: 30px 10px;
    display: flex;
    justify-content: center;
}
.Box .pro_lis li .pic {
    position: relative;
    overflow: hidden; 
    width: 45%;
    float: left;
}
.pro_lis li .pic a{
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    width: 100%;
    height: 100%;
}
.pro_lis li .pic img {
    position: absolute;
    display: block;
    height: 100%;
    transition: all .3s;
} 
.pro_lis li .con {
    width: 55%; 
    padding: 20px 0 0;
}
.pro_lis h3 {
    font-size: 40px;
    margin-bottom: 0.3rem;
    color: #1b1f2e;
    
}
.pro_lis h4 {
    padding: 3px 0 0px;
    font-size: 20px;
    color: #1b1f2e;
    margin-bottom: 0.8rem;
    font-weight: 600;
    position: relative;
    padding-left: 6%;
    margin-bottom: 10%;
}
.pro_lis h4::before{
    position: absolute;
    content: '';
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 5px;
    border-radius: 999px;
    background-color: #FF7100;
    
}
.pro_lis p {
    line-height: 22px;
    color: #353535;
    margin: 10px 10px 10px 0;
    margin-bottom: 10px !important;
}
.pro_lis li .con a {
    font-weight: bold;
    display: inline-block;
    color: #fff;
    padding-top: 0px;
    border-bottom: 1px solid #FF7100;
    padding-bottom: 5px;
    color: #FF7100 !important;
}



@media screen and (max-width:991px) {
    .sidebar{
        margin-top: 50px;
    }
}   
@media screen and (max-width:576px) {
    .pro_lis li .con a b{
        font-size: 30px;
    }
    .Box .pro_lis li{
        display: block;
    }
    .Box .pro_lis li .pic{
        width: 100%;
        
    }
    .Box .pro_lis li .pic a{
        width: 100%;
    }
    .pro_lis li .pic img{
        position: relative;
        width: 80%;
    }
    .pro_lis{
    padding: 0 20px;
    }
}