body {
    background-color: #F2F2F2;
}

.certificate_box {
    width: 100%;
    padding-top: calc(12px + 5rem);
    padding-bottom: calc(36px + 5rem);
}

.certificate {
    max-width: 1665px;
    width: 85%;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.certificate_swiper_box {
    width: 88.8288%;


}

.cer_swiper {
    width: 100%;


}

.swiper-slide {
    width: 100%;
    background: transparent !important;
}

.cer_item {
    width: 96.5%;
}

.cer_pic {
    width: 100%;
    height: calc(42px + 20rem);
    background: #FFFFFF;
    box-shadow: 0px calc(0px + 0.1rem) calc(5px + 0.25rem) 1px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    padding: calc(7px + 1rem) calc(4px + 1.5rem);
    cursor: pointer;
}

.cer_pic img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cer_item .p1 {
    font-family: Helvetica_roman;
    font-weight: normal;
    font-size: calc(8px + 0.5rem);
    color: #333333;
    line-height: calc(10px + 1rem);
    margin-top: calc(1px + 1rem);
    text-align: center;
    padding: 0 calc(4px + 2rem);
}

.cer_prev img {
    width: calc(6px + 2rem);
    display: none;
    cursor: pointer;
}

.cer_prev img:nth-of-type(1) {
    display: block;
}

.cer_next img {
    width: calc(6px + 2rem);
    display: none;
    cursor: pointer;
}

.cer_next img:nth-of-type(2) {
    display: block;
}

.certificate:nth-of-type(1) {
    display: flex;
}

.certificate:nth-of-type(2) {
    display: none;
}

.big_pic_box{
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    background:#00000050;
    z-index: 10;
    display: none;
    justify-content: center;
    align-items: center;
}
.big_pic{
    width: max-content;
    height: 85%;

}


@media screen and (max-width: 1100px) {

    .certificate:nth-of-type(1) {
        display: none;
    }

    .certificate:nth-of-type(2) {
        display: flex;
    }

    .certificate_box {
        padding-bottom: calc(12px + 5rem);
    }
    .cer_pic {
        height: calc(42px + 94rem); 
    }
    .cer_item .p1{
        font-size: calc(12px + 1rem);
        margin-top: calc(10px + 3rem);
    }
    .cer_next, .cer_prev{
        display: none;
    }
    .certificate_swiper_box{
        width: 100%;
    }
}