.one {
    margin-bottom: .8rem;
}

.two {
    margin-bottom: .8rem;
    background-image: url('https://new.cdn.multi-masters.com/easychemical/advantage/two-bgi.jpg');
    padding-bottom: 1rem;
    background-size: 100% 100%;
}

.three {
    margin-bottom: 1rem;
}

.two .p_1 {
    padding: 1rem 0 .85rem 0;
    font-size: .38rem;
    font-weight: bold;
    color: #fff;
}

.two li {
    background-color: #fff;
    width: 23.5%;
    float: left;
    margin-right: 2%;
    padding: .6rem .14rem .4rem .14rem;
}

.two li:last-child {
    margin-right: 0;
}

.two li .img {
    height: .4rem;
    margin-bottom: .28rem;
}

.two li .p_2 {
    font-size: .24rem;
    font-weight: bold;
    color: #333;
    line-height: .26rem;
    text-align: center;
    margin-bottom: .2rem;
}

.two li .p {
    font-size: .2rem;
    color: #666666;
    line-height: 1.5;
    padding-bottom: .5rem;
    text-align: center;
    height: 1.04rem;
}

.two li .p::after {
    display: block;
    content: '';
    width: .22rem;
    height: .03rem;
    background-color: #1B1B1B;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

@media (min-width: 800px) {
    .vv {
        width: 14rem;
        margin: auto;
    }

    .one .contant {
        width: 100%;
        position: absolute;
        left: 0;
        top: 0;
    }

    .one .contant .p_1 {
        font-size: .26rem;
        font-weight: bold;
        color: #d0202e;
        margin-bottom: .2rem;
        width: 45%;
        margin-left: 6%;
        line-height: 1.5;
    }

    .one .contant .p_2 {
        font-size: .16rem;
        color: #666;
        line-height: 1.5;
        margin-bottom: .45rem;
        width: 45%;
        margin-left: 6%;
        text-align: justify;
    }

    .one .contant .p {
        font-size: .2rem;
        color: #999;
        line-height: 1.5;
        width: 41.5%;
        margin-left: 6%;
    }

    .three .contant {
        width: 100%;
        position: absolute;
        left: 0;
        top: 0;
    }

    .three .contant .p_1 {
        font-size: .26rem;
        font-weight: bold;
        color: #151515;
        margin-bottom: .2rem;
        width: 30%;
        margin-left: auto;
        color: #ffffff;
        margin-right: 15%;
        margin-top: 1.6rem;
        line-height: 1.5;
    }

    .three .contant .p_2 {
        font-size: .2rem;
        color: #666;
        line-height: 1.5;
        width: 47%;
        margin-left: auto;
        margin-right: 6%;
        text-align: justify;
    }

    .three .contant .p {
        font-size: .2rem;
        color: #999;
        line-height: 1.5;
        width: 47%;
        margin-left: auto;
        margin-right: 6%;
        text-align: justify;
    }

    .one .contant .p_1 {
        margin-top: 1.1rem;
    }


    .one .right {
        position: absolute;
        right: .4rem;
        top: .1rem;
        width: 41.5%;
    }

    .three .contant .p {
        font-size: .16rem;
    }

    .one .contant .p {
        font-size: .18rem;
    }

    .three1 .contant .p_1 {
        margin-top: 2rem;
    }

    .three1 .contant .p_12 {
        margin-top: 0.8rem;
    }

    .three1 .contant .p {
        color: #ffffff;
        width: 30%;
        margin-right: 15%;
    }
}

@media (max-width: 799px) {
    .vv {
        padding: 0 2%;
    }

    .one .img, .three .img {
        margin-bottom: .4rem;
    }

    .contant .p_1 {
        font-size: .2rem;
        font-weight: bold;
        color: #151515;
        margin-bottom: .2rem;
        margin-top: .4rem;
    }

    .contant .p_2 {
        font-size: .16rem;
        color: #666;
        line-height: 1.5;
        margin-bottom: .45rem;
        margin-bottom: 2rem;
    }

    .contant .p {
        font-size: .16rem;
        color: #999;
        line-height: 1.5;
    }

    .two {
        background-image: none;
        background-color: #455576;
    }

    .two li {
        background-color: #fff;
        width: 49%;
        float: left;
        margin-right: 2%;
        margin-bottom: .4rem;
    }

    .two li:nth-child(2n) {
        margin-right: 0;
    }

    .two li .p_2 {
        height: 41px;
    }
}