.helium-box{
    padding: 70px 0;
}

.helium-bri{
    width: 75%;
}

.helium-btop{
    display: flex;
    justify-content: space-between;
}

.helium-btxt{
    width: 46%;
}
.helium-btxt p{
    text-align: left;
    font-size: 16px;
    line-height: 30px;
    margin-bottom: 10px;
}
.helium-bimg{
    width: 50%;
}
.helium-bimg img{
    width: 100%;
    height: auto;
}


.heliumb-benefit{
    border: 1px solid #cccccc;
    padding: 40px 40px;
    margin-top: 40px;
}
.benefit-tit{
    text-align: center;
}
.benefit-tit h5{
    font-size: 16px;
    color: #e71a21;
    font-weight: 600;
}
.benefit-tit h3{
    font-size: 28px;
    margin-top: 10px;
    font-weight: 600;
}

.benefit-img{
    text-align: center;
    padding: 20px 0 10px;
}




.heliumb-item{
    margin-top: 40px;
}

.busines-tit {
    display: flex;
    justify-content: flex-start;
}
.busines-tit>h2{
    font-weight: 600;
    font-size: 30px;
}
.busines-tit>h2::after{
    width: 0px;
    height: 0px;
}


.heliumb-itul{
    display: flex;
    flex-wrap: wrap;
    margin-top:20px;
}
.heliumb-itul li{
    width: calc((100% - 60px)/3);
    margin: 10px;
    overflow: hidden;
    position: relative;
}
.heliumb-itul li a{
    width: 100%;
    text-align: center;
}
.heliumb-itul li a img{
    width: 75%;
    height: auto;
    transition: all .3s;
}
.heliumb-itul li:hover a img{
    transform: scale(1.1);
}
.install-bchld {
    width: 100%;
    position: absolute;
    left: 0;
    bottom: 0;
    padding: 25px 30px;
    font-size: 16px;
    color: #ffffff;
    /* background: linear-gradient(to top, #000000, transparent); */
}



.heliumb-itform{
    padding: 0px;
    margin-top: 25px;
}

.heliumb-itform img{
    width: 100%;
    height: auto;
}


@media only screen and (max-width:1440px) {
    .helium-box {
        padding: 50px 0;
    }
    .helium-btxt p {
        font-size: 14px;
        line-height: 26px;
        margin-bottom: 5px;
    }


    .heliumb-benefit {
        padding: 30px 30px;
        margin-top: 50px;
    }

    .benefit-tit h5 {
        font-size: 14px;
    }
    .benefit-tit h3 {
        font-size: 24px;
        margin-top: 10px;
    }

    .heliumb-item {
        margin-top: 30px;
    }
    .heliumb-itul {
        margin-top: 10px;
    }
    .heliumb-itul li {
        width: calc((100% - 48px) / 3);
        margin: 8px;
    }

    .heliumb-itform {
        padding: 0px;
        margin-top: 20px;
    }



    .install-bchld {
        padding: 20px 25px;
        font-size: 14px;
    }

}

@media only screen and (max-width:769px) {
    .helium-box {
        padding: .6rem .1rem;
    }

    .helium-bri {
        width: 100%;
    }

    .helium-btop{
        flex-direction: column;
    }
    .helium-btxt {
        width: 100%;
    }
    .helium-btxt p {
        font-size: 14px;
        line-height: 30px;
        margin-bottom: 0px;
    }

    .helium-bimg {
        width: 100%;
        margin-top: .2rem;
    }
    

    .heliumb-benefit {
        padding: .2rem .2rem;
        margin-top: .4rem;
    }
    .benefit-tit h5 {
        font-size: 14px;
    }
    .benefit-tit h3 {
        font-size: 18px;
        margin-top: .1rem;
    }

    .heliumb-item {
        margin-top: .3rem;
    }


    .busines-tit>h2 {
        font-size: 22px;
    }


    .heliumb-itul {
        margin-top: .1rem;
    }
    .heliumb-itul li {
        width: 46.7%;
        margin: .1rem;
    }

    .heliumb-itform {
        padding: 0rem;
        margin-top: .2rem;
    }


    .install-bchld {
        padding: .2rem .25rem;
        font-size: 14px;
    }

}