.section4{
    width: 100%;
    height: 100vh;
    position: relative;
}
.section4 .swiper-container {
    margin-left: auto;
    margin-right: auto;
    position: relative;
    overflow: hidden;
    z-index: 1;
}
.section4 .swiper-pagination {
    bottom: 0.54rem;
    left: 69%;
    right: auto;
    width: auto;
}
.section4 .swiper-pagination .swiper-pagination-bullet {
    background-color: rgba(255, 255, 255, 0.4);
}
.section4 .swiper-pagination .swiper-pagination-bullet-active::after {
    background-color: #fff;
}
.section4 .swiper-container {
    width: 100%;
    height: 100%;
}
.section4 .swiper-container .img-b {
    position: relative;
}
.section4 .swiper-container .img-b::after {
    position: absolute;
    width: 100%;
    height: 100%;
    content: "";
    background-color: #131313;
    right: 0;
    transition: all 1s;
    top: 0;
}
.section4 .swiper-container .img-b.active::after {
    width: 0;
    transition: all 2s;
}
.section4 .swiper-container .swiper-slide {
    display: flex;
    justify-content: space-between;
}
.section4 .swiper-container .swiper-slide .left-box {
    width: 65% !important;
    display: flex;
    height: 100%;
    flex-direction: column-reverse;
    justify-content: space-between;
}
.section4 .swiper-container .swiper-slide .left-box .top-box {
    width: 100%;
    height: 50%;
}
.section4 .swiper-container .swiper-slide .left-box .top-box .img-b {
    width: 100%;
    height: 100%;
}
.section4 .swiper-container .swiper-slide .left-box .top-box .img-b img {
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
    object-fit: cover;
}
.section4 .swiper-container .swiper-slide .left-box .bottom-box {
    width: 100%;
    height: 50%;
    display: flex;
    justify-content: space-between;
}
.section4 .swiper-container .swiper-slide .left-box .bottom-box .img-b {
    height: 100%;
}
.section4 .swiper-container .swiper-slide .left-box .bottom-box .img-b img {
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
    object-fit: cover;
}
.section4 .swiper-container .swiper-slide .left-box .bottom-box .img-b-1 {
    width: 20%;
}
.section4 .swiper-container .swiper-slide .left-box .bottom-box .img-b-2 {
    width: 80%;
}
.section4 .swiper-container .swiper-slide .right-box {
    width: 35% !important;
    display: flex;
    height: 100%;
    flex-direction: column-reverse;
    justify-content: space-between;
}
.section4 .swiper-container .swiper-slide .right-box .top-box {
    width: 100%;
    height: 65%;
}
.section4 .swiper-container .swiper-slide .right-box .top-box .img-b {
    width: 100%;
    height: 100%;
}
.section4 .swiper-container .swiper-slide .right-box .top-box .img-b img {
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
    object-fit: cover;
}
.section4 .swiper-container .swiper-slide .right-box .bottom-box {
    height: 35%;
    width: 100%;
    background-image: linear-gradient(to right, #d4b598, #c8a482);
    padding: 10%;
}
.section4 .swiper-container .swiper-slide .right-box .bottom-box .img-box {
    width: 50%;
}
.section4 .swiper-container .swiper-slide .right-box .bottom-box .img-box img {
    width: 100%;
}
.section4 .swiper-container .swiper-slide .right-box .bottom-box .name {
    color: #fff;
    font-size: 0.23rem;
    margin-top: 4%;
}
.section4 .swiper-container .swiper-slide .right-box .bottom-box .desc {
    font-size: 0.18rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 3%;
    letter-spacing: 2px;
}
.section4 .swiper-container .swiper-slide {
    flex-direction: row;
}
.section4 .swiper-container .swiper-slide .left-box {
    width: 100%;
    height: 100%;
    flex-direction: column-reverse;
}
.section4 .swiper-container .swiper-slide .left-box .bottom-box .img-b-1 {
    width: 50%;
}
.section4 .swiper-container .swiper-slide .left-box .bottom-box .img-b-2 {
    width: 50%;
}
.section4 .swiper-container .swiper-slide .right-box {
    flex-direction: column;
    width: 100%;
    height: 100%;
}
.section4 .swiper-container .swiper-slide .right-box .top-box {
    height: 60%;
}
.section4 .swiper-container .swiper-slide .right-box .bottom-box {
    height: 40%;
    text-align: right;
}
.section4 .swiper-container .swiper-slide .right-box .bottom-box .name {
    font-size: 1.43rem;
}
.section4 .swiper-container .swiper-slide .right-box .bottom-box .desc {
    font-size: 1rem;
    margin-top: 2%;
}
.section4 .swiper-pagination {
    left: 50%;
    width: 100%;
    transform: translateX(-50%);
}
.section4 .swiper-container .swiper-slide{
    padding: 0;
}
@media (max-width: 768px) {

    .section4 .pc-pad {
        display: none !important;
    }
    .section4 .mb-only {
        display: block !important;
    }
    .section4 .swiper-container .swiper-slide {
        flex-direction: column-reverse;
    }
    .section4 .swiper-container .swiper-slide .right-box {
        width: 100% !important;
    }
    .section4 .swiper-container .swiper-slide .left-box {
        width: 100% !important;
    }
    .section4 .swiper-container .swiper-slide .right-box {
        flex-direction: column-reverse;
    }
}