main{
    background-color: #f5f5f5;
}

.serbicbaner {
    /* background-image: url("../images/picbj04.jpg");
    background-size: 100% 100%; */
    width: 100%;
    height: 40vh;
}

.serbicbaner .itemimg{
    width: 100%;
    height: 40vh;
    position: absolute;
    z-index: 0;
}

.serbic-box {
    position: relative;
}

.serbic-box > div {
    color: #ffffff;
    font-weight: 600;
    position: absolute;
    top: 25vh;
}

.serbic-box > div h2 {
    font-size: 46px;

}

.serbic-box > div span {
    font-size: 24px;
}



.hazardbx{
    padding: 60px 0;
}

.hazardbx ul{
    display: flex;
    flex-wrap: wrap;
    background-color: #ffffff;
}
.hazardbx ul li{
    width: 50%;
}
.hazardbx ul li img{
    width: 100%;
}
.hazard-bxtit{
    padding: 40px 45px;
}
.hazard-bxtit h4{
    font-size: 22px;
    color: #222222;
    font-weight: 600;
    margin-bottom: 20px;
}
.hazard-bxtit p{
    font-size: 16px;
    color: #666666;
    line-height: 28px;
    /* text-indent: 2em; */
}















@media screen and (max-width:768px) {
    .serbicbaner {
        /* background-image: url("../images/picbj04.jpg");
        background-size: 100% 100%; */
        width: 100%;
        height: 11vh;
    }

    .serbicbaner .itemimg{
        width: 100%;
        height: 15vh !important;
    }

    .serbic-box > div {
        color: #ffffff;
        font-weight: 600;
        position: absolute;
        top: 7vh;
        margin-left: .2rem;
    }
    
    .serbic-box > div h2 {
        font-size: .28rem;
    
    }
    
    .serbic-box > div span {
        font-size: .18rem;
    }
    
    


    .hazardbx{
        padding: .6rem 0;
    }
    .hazardbx ul{
        display: flex;
        flex-wrap: wrap;
        background-color: #ffffff;
    }
    .hazardbx ul li{
        width: 100%;
    }
    .hazardbx ul li img{
        width: 100%;
        margin: 10px 0;
    }
    .hazard-bxtit{
        padding: .4rem .45rem;
    }
    .hazard-bxtit h4{
        font-size: .22rem;
        color: #222222;
        font-weight: 600;
        margin-bottom: .2rem;
    }
    .hazard-bxtit p{
        font-size: .16rem;
        color: #666666;
        line-height: .30rem;
        /* text-indent: 2em; */
    }





}