.culture-box{
    padding-bottom: 4.5rem;
    /*background: url('../img/about_ys_bg.jpg') center no-repeat;*/
    background-size: cover;
}
.n_tt {
    margin-bottom: 3rem;
    text-align: center;
}
.n_tt h2 {
    font-size: 2.75rem;
    color: #313131;
    font-weight: bold;
}
.culture-box .outbox {
    position: relative;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}
.culture-box .outbox .hd ul li {
    position: absolute;
    z-index: 9;
}
.culture-box .outbox .hd ul li:nth-child(1){
    left: -2%;
    top: 5.875rem;
    text-align: right;
}
.culture-box .outbox .hd ul li:nth-child(2) {
    right: -2%;
    top: 5.875rem;
}
.culture-box .outbox .hd ul li:nth-child(3) {
    left: -3.5%;
    bottom: 5.875rem;
    text-align: right;
}
.culture-box .outbox .hd ul li:nth-child(4) {
    right: -3.5%;
    bottom: 5.875rem;
}
.culture-box .outbox .hd ul li .box {
    display: flex;
    gap: 3.5rem;
}
.culture-box .outbox .hd ul li:nth-child(1) .box {
    flex-direction: row-reverse;
}
.culture-box .outbox .hd ul li:nth-child(3) .box {
    flex-direction: row-reverse;
}
.culture-box .outbox .hd ul li .box .ico {
    width: 6.5625rem;
    height: 6.5625rem;
    cursor: pointer;
    flex-shrink: 0;
    transition: 0.5s;
    background: #f4f8f8;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #e71525;
}
.culture-box .outbox .hd ul li .box .ico img{
    width: 50%;
}
.culture-box .outbox .hd ul li .box .ico i {
    font-size: 2.375rem;
    color: #e71525;
}
.culture-box .outbox .hd ul li .box .txt {
    width: 25rem;
    padding-top: 0.5rem;
}
.culture-box .outbox .hd ul li .box .txt h4 {
    font-size: 1.625rem;
    color: #313131;
    height: 4.0625rem;
    margin-bottom: 1.25rem;
    display: flex;
    padding: 0 2.75rem;
    align-items: center;
    justify-content: flex-end;
    background: url('../img/about_ys_tt1.png') right center no-repeat;
    background-size: contain !important;
}
.outbox .hd ul li:nth-child(2) .box .txt h4,
.outbox .hd ul li:nth-child(4) .box .txt h4{
    justify-content: flex-start;
    background: url('../img/about_ys_tt2.png') left center no-repeat;
}
.culture-box .outbox .hd ul li .box .txt p {
    font-size: 1rem;
    line-height: 1.875rem;
    height: 3.75rem;
    color: #515151;
    padding: 0 2.75rem;
}

@keyframes xz2 {
    0% {
        transform: rotate(0)
    }

    100% {
        transform: rotate(359deg)
    }
}

@-webkit-keyframes xz2 {
    0% {
        transform: rotate(0)
    }

    100% {
        transform: rotate(359deg)
    }
}
.culture-box .outbox .bd {
    position: relative;
}
.outbox .bd .about_ys_yuan {
    display: block;
    margin: 0 auto;
    animation: xz2 10s linear infinite;
    width: 39.4375rem;
}
.culture-box .outbox .bd .center {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.culture-box .outbox .bd .swiper {
    width: 27.625rem;
}
.swiper-horizontal {
    touch-action: pan-y;
}
.swiper {
    margin-left: auto;
    margin-right: auto;
    position: relative;
    overflow: hidden;
    overflow: clip;
    list-style: none;
    padding: 0;
    z-index: 1;
    display: block;
}
.swiper-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 1;
    display: flex;
    transition-property: transform;
    transition-timing-function:initial;
    box-sizing: content-box;
}
.swiper-fade .swiper-slide {
    pointer-events: none;
    transition-property: opacity;
}
.img_db {
    width: 100%;
    position: relative;
}
.img {
    overflow: hidden;
}
.img_db > img {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
    object-fit: cover;
}
.culture-box .outbox .bd .swiper .img:after {
    padding-top: 100%;
}
.img_db::after {
    content: "";
    display: block;
    width: 100%;
    height: 0;
    padding-top: 60.9%;
    position: static !important;
}
@media (max-width: 767px) {
    .n_tt {
        margin-bottom: 1.5rem;
    }
    .n_tt h2 {
        font-size: 2rem;
    }
    .culture-box .outbox {
        display: flex;
        flex-direction: column-reverse;
        gap: 2.5rem;
    }
    .culture-box .outbox .hd ul {
        display: grid;
        gap: 3rem;
        grid-template-columns: 1fr;
    }
    .culture-box .outbox .hd ul li {
        position: static !important;
    }
    .outbox .hd ul li .box {
        justify-content: center;
        flex-direction: row !important;
        gap: 1.5rem;
    }
    .culture-box .outbox .hd ul li .box .ico {
        width: 4rem;
        height: 4rem;
    }
    .culture-box .outbox .hd ul li .box .txt {
        width: 100%;
    }
    .culture-box .outbox .hd ul li .box .ico {
        width: 4rem;
        height: 4rem;
    }
    .culture-box .outbox .hd ul li .box .txt h4 {
        font-size: 1.2rem;
        height: 3.5rem;
        padding: 0 2rem;
        justify-content: flex-start;
        background: url('../img/about_ys_tt2.png') left center no-repeat!important;
        background-size: contain!important;
    }
    .culture-box .outbox .hd ul li .box .txt p {
        padding: 0;
        text-align: left;
    }
    .culture-box .outbox .hd ul li:nth-child(2) .box .txt h4{
        justify-content: flex-start;
    }
    .culture-box .outbox .hd ul li:nth-child(4) .box .txt h4{
        justify-content: flex-start;
    }
    .culture-box .outbox .hd ul li .box .txt p{
        padding: 0;
    }
    .outbox .bd .about_ys_yuan {
        width: 36.5rem;
    }
    .img_db{
        width: 70%;
        margin: 0 auto;
    }
}