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


.hydrogen-bri {
    width: 75%;
}



.hydrogen-txt {
    text-align: left;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.hydrogen-txt h3{
	font-size: 18px;
	font-weight: 600;
	margin-right:10px;
}

.hydrogen-txt p {
    font-size: 18px;
    margin-bottom: 10px;
}

.hydrogen-img {
    margin-top: 40px;
}

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


.hydrogen-tit {
    padding-left: 30px;
    margin-top: 40px;
    position: relative;
}

.hydrogen-tit p {
    font-size: 18px;
    line-height: 30px;
}

.hydrogen-tit::before {
    content: "";
    width: 6px;
    height: 85%;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    background-color: #1ba1e6;
}


.hydrogen-ul {
    display: flex;
    justify-content: space-between;
    padding: 40px 0 40px;
}

.hydrogen-li {
    width: 49%;
    border: 1px solid #dcdcdc;
}

.hydrogen-li a {
    width: 100%;
    color: #333333;
}

.hydrogen-li a img {
    width: 100%;
    height: auto;
}

.hydrogen-ltxt {
    padding: 25px;
}

.hydrogen-ltxt h3 {
    font-size: 24px;
    position: relative;
    font-weight: 600;
}

/* .hydrogen-ltxt h3::after{
    content: "";
    width: 40px;
    height: 4px;
    background-color: #e31313;
    position: absolute;
    left: 0;
    bottom: -15px;
} */
.hydrogen-ltxt p {
    margin-top: 10px;
    font-size: 16px;
    line-height: 30px;
}





.secure-txt {
    font-size: 22px;
    display: flex;
    align-items: flex-end;
}

.secure-txt h2 {
    font-size: 30px;
    font-weight: 600;
    margin-right: 20px;
}




.secure-ul {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding: 20px 20px;
    background-color: #d0ebf2;
    margin-top: 20px;
}

.secure-ul li {
    width: 31%;
}

.secure-utxt h3 {
    font-size: 18px;
    font-weight: 600;
    color: #0000ff;
}

.secure-utxt p {
    font-size: 14px;
    margin-top: 10px;
    min-height: 52px;
}

.liheiga {
    margin-top: 20px;
}

.secure-uimg {
    width: 100%;
    margin-top: 20px;
}

.secure-uimg img {
    width: 100%;
    height: auto;
}


@media only screen and (max-width:1440px) {
    .hydrogen-box {
        padding: 50px 0;
    }

    .hydrogen-txt p {
        font-size: 16px;
        margin-bottom: 5px;
    }

    .hydrogen-img {
        margin-top: 30px;
    }

    .hydrogen-tit {
        padding-left: 20px;
        margin-top: 30px;
    }

    .hydrogen-tit p {
        font-size: 16px;
        line-height: 26px;
    }

    .hydrogen-ul {
        padding: 30px 0 30px;
    }

    .hydrogen-ltxt {
        padding: 20px;
    }

    .hydrogen-ltxt h3 {
        font-size: 20px;
    }

    .hydrogen-ltxt h3::after {
        content: "";
        width: 30px;
        height: 3px;
        bottom: -10px;
    }

    .hydrogen-ltxt p {
        margin-top: 10px;
        font-size: 14px;
        line-height: 24px;
    }


    .secure-txt {
        font-size: 16px;
    }

    .secure-txt h2 {
        font-size: 24px;
        margin-right: 15px;
    }


    .secure-ul {
        margin-top: 15px;
        padding: 15px 15px;
    }

    .secure-utxt h3 {
        font-size: 16px;
    }

    .secure-utxt p {
        font-size: 12px;
        margin-top: 5px;
        min-height: 42px;
    }


}

@media only screen and (max-width:769px) {
    .hydrogen-box {
        padding: .5rem .1rem;
    }

    .hydrogen-bri {
        width: 100%;
    }



    .hydrogen-txt p {
        font-size: 14px;
        margin-bottom: .15rem;
    }

    .hydrogen-img {
        margin-top: .4rem;
    }

    .hydrogen-tit {
        padding-left: .25rem;
        margin-top: .5rem;
    }

    .hydrogen-tit p {
        font-size: 14px;
        line-height: 20px;
    }

    .hydrogen-tit::before {
        width: 6px;
        height: 90%;
    }

    .hydrogen-ul {
        padding: .3rem 0 .3rem;
        flex-direction: column;
    }

    .hydrogen-li {
        width: 100%;
        margin-bottom: .2rem;
    }

    .hydrogen-ltxt {
        padding: .2rem;
    }

    .hydrogen-ltxt h3 {
        font-size: 16px;
    }

    .hydrogen-ltxt p {
        margin-top: .2rem;
        font-size: 12px;
        line-height: 20px;
    }

    .hydrogen-ltxt h3::after {
        width: 30px;
        height: 3px;
        bottom: -.1rem;
    }

    .secure-txt {
        font-size: 14px;
    }

    .secure-txt h2 {
        font-size: 20px;
        margin-right: .15rem;
    }



    .secure-ul {
        margin-top: .15rem;
        flex-wrap: wrap;
        padding: .15rem;
    }

    .secure-ul li {
        width: 100%;
    }

    .secure-utxt h3 {
        font-size: 14px;
    }

    .secure-utxt p {
        min-height: 20px;
    }

    .secure-uimg {
        margin: .2rem 0;
    }




}