.hide {
    display: none !important;
}
.d-flex {
    display: flex;
    align-items: center;
}

.d-flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.d-flex-jsb {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.d-flex-spa {
    display: flex;
    justify-content: space-around;
    align-items: center;
}
.f_38{
    font-size: 38px;
}

.top-btns {
    display: flex;
    justify-content: center;
    align-items: center;
    color: #ffffff;
    font-size: 14px;
    font-weight: bold;
    margin-top: 41px;
}

.top-btns > div {
    line-height: 30px;
    border: 1px solid #ffffff;
    border-radius: 30px;
    cursor: pointer;
    box-sizing: border-box;
    padding: 0 20px;
    padding-right: 15px;
}

.top-btns img {
    width: 16px;
    height: 16px;
}

.top-btns .btn1 {
    display: flex;
    align-items: center;
    margin-right: 41px;
}

.top-btns .btn2 {
    display: flex;
    align-items: center;
}

.line-item-title {
    color: #000000;
    margin-bottom: 20px;
    line-height: 28px;
}

.line-item-content {
    color: #333333;
    line-height: 32px;
    text-align: justify;
}

.line-3d-btns {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
}

.line-3d-btn {
    width: 80%;
    background: #F3F3F3;
    border-radius: 12px 12px 12px 12px;
    box-sizing: border-box;
    padding: 16px;
    padding-right: 28px;
    margin-bottom: 10px;
    cursor: pointer;
}

.line-3d-btn img {
    width: 67px;
}

.line-3d-btn:hover {
    color: #F40B0B;
    background: #ffffff;
    box-shadow: 0px 6px 28px -8px rgba(0, 0, 0, 0.2);
}

.btn-desc {
    color: #777777;
    line-height: 14px;
    margin-top: 10px;
}

.advantage {
    margin-top: 40px;
    position: relative;
}

.advantage::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: #D9D9D9;
}

.advantage-item {
    color: #666666;
    box-sizing: border-box;
    padding-bottom: 16px;
    cursor: pointer;
    margin: 0 68px;
}

.advantage-item.active {
    color: #333333;
    font-weight: bold;
    border-bottom: 4px solid;
    border-image: linear-gradient(to right, #F40B0B 0%, #F37819 100%) 1;
}

.advantage-desc {
    margin-top: 37px;
    color: #000000;
    font-weight: 400;
    line-height: 28px;
    white-space: pre-line;
    text-align: center;
}

.advantage-product-box {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 19px;
    margin-top: 50px;
}

.advantage-product {
    position: relative;
    height: 484px;
    /*background: #FFFFFF;*/
    box-shadow: 0px 4px 24px -4px rgba(51, 51, 51, 0.2);
    border-radius: 0px 0px 0px 0px;
    box-sizing: border-box;
    padding: 20px;
    cursor: pointer;
    list-style: none;
    white-space: pre-line;
}
.advantage-product:hover{
    background-image: url("/public/cn/images/mrdvs/mask-group.png");
    background-size: auto; /* 铺满容器 */
    background-position: bottom; /* 背景图片居中 */
    background-repeat: no-repeat; /* 防止背景图片重复 */
}

.advantage-product-img {
    width: 100%;
    height: 220px;
}

.advantage-product-content {
    margin-top: 10px;
}

.advantage-product-title {
    color: #000000;
    text-align: center;
}

.advantage-product-desc {
    color: #333333;
    line-height: 24px;
    text-align: center;
    white-space: pre-line;
}

.advantage-product-btn {
    position: absolute;
    bottom: 30px;
    left: 0;
    width: 100%;
    box-sizing: border-box;
    padding: 0 20px;
}

.advantage-product-btn .btn1, .advantage-product-btn .btn2{
    height: 32px;
    line-height: 32px;
    background: #F3F3F3;
    border-radius: 16px 16px 16px 16px;
    box-sizing: border-box;
    padding: 0 14px;
    cursor: pointer;
}

.advantage-product-btn .btn1 img, .advantage-product-btn .btn2 img {
    width: 20px;
    height: 20px;
    display: inline-block;
    margin-right: 6px;
}

.advantage-product-btn .active {
    color: #ffffff;
    background: linear-gradient(to right, #F40B0B, #F37819);
    box-shadow: 0px 6px 28px -8px rgba(0, 0, 0, 0.2);
}

.advantage-right-tabbox {
    margin-top: 40px;
}

.advantage-right-btns {
    font-size: 12px;
    color: #666666;
}

.advantage-right-btns img {
    width: 20px;
    height: 20px;
    display: inline-block;
    margin-right: 6px;
}

.advantage-right-btns .btn-circle {
    width: 5px;
    height: 5px;
    background: linear-gradient(149deg, #FF306A 0%, #FF7B46 100%);
    border-radius: 50%;
    margin: 0 12px;
}

.advantage-right-btns .btn-item {
    box-sizing: border-box;
    height: 32px;
    line-height: 32px;
    padding: 0 15px;
    border-radius: 16px;
    cursor: pointer;
    background: #F3F3F3;
    /*         transition: all 0.5s ease-in-out; */
}

.advantage-right-btns .btn-item.active {
    color: #FFFFFF;
    background: linear-gradient(to right, #F40B0B, #F37819);
}

.btn-item:hover {
    color: #FFFFFF;
    background: linear-gradient(to right, #F40B0B, #F37819);
}

.advantage-right-content {
    margin-top: 40px;
    position: relative;
}

.advantage-right-content .content-swiper::-webkit-scrollbar {
    display: none;
}

.advantage-right-content .swiper-custom-item {
    width: 340px;
}

.advantage-right-content .swiper-custom-item .date {
    margin-bottom: 16px;
}

.advantage-right-content .swiper-custom-item .img {
    width: 100%;
    height: 220px;
    background: #F3F3F3;
}

.advantage-right-content .swiper-custom-item .title {
    margin-top: 20px;
}

.advantage-right-content .swiper-custom-item .desc {
    margin-top: 18px;
    line-height: 19px;
    font-weight: 400;
}

.pre-img {
    display: flex;
    position: absolute;
    top: 0;
    left: -110px;
    width: 80px;
    height: 100%;
    z-index: 9;
}

.next-img {
    display: flex;
    position: absolute;
    top: 0;
    right: -110px;
    width: 80px;
    height: 100%;
    z-index: 9;
}

.pre-img div, .next-img div {
    width: 80px;
    height: 80px;
    background-image: url('/public/cn/images/mrdvs/right-more.png');
    background-size: 100% 100%;
    background-repeat: no-repeat;
    cursor: pointer;
}

.pre-img div {
    transform: rotate(180deg);
}

.pre-img div:hover {
    background-image: url('/public/cn/images/mrdvs/left-more.png');
    transform: rotate(0deg);
}

.next-img div:hover {
    background-image: url('/public/cn/images/mrdvs/left-more.png');
    transform: rotate(180deg);
}

.customer-case-study-box-parents {
    width: 100vw;
    height: auto;
    position: relative;
    left: 0;
}

.customer-case-study-box {
    width: 70%;
    margin: 40px auto 0;
    height: 582px;
    background: #FFFFFF;
    box-shadow: 0px 10px 30px -12px rgba(51, 51, 51, 0.3);
    border-radius: 12px;
    padding: 0 20px 30px;
    box-sizing: border-box;
    position: relative;
}

.customer-case-list {
    width: 100%;
    height: 340px;
    display: flex;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    position: absolute;
    left: 0;
    top: 0;
    /*transform: translateX(calc(45% - 70vw));*/
}

.customer-case-list::-webkit-scrollbar {
    display: none;
}

.customer-case-item {
    width: 33vw;
    min-width: 33vw;
    height: 100%;
    background: #F3F3F3;
    border-radius: 24px;
    box-sizing: border-box;
    margin-right: 20px;
}

.customer-case-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.customer-case-desc {
    position: absolute;
    bottom: 32px;
    left: 0;
    width: 100%;
    flex-direction: column;
}

.customer-case-desc-title {
    color: #333333;
    margin-bottom: 28px;
    line-height: 28px;
}

.customer-case-desc-a {
    color: #333333;
    text-decoration: underline;
    text-decoration-color: #333333;
    line-height: 20px;
}

.customer-case-desc-btn {
    margin-top: 50px;
    color: #ffffff;
    height: 32px;
    line-height: 32px;
    border-radius: 16px;
    padding: 0 20px;
    background: linear-gradient(90deg, #F40B0B, #F37819);
}

.cooperative-customer-desc {
    color: #000000;
    margin-top: 20px;
    text-align: center;
    margin-bottom: 40px;
    font-size: 17px;
    line-height: 28px;
}

.cooperative-customer-box {
    width: 100%;
}

.cooperative-customer-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px 50px;
}

.cooperative-customer-item {
    height: 88px;
    background: #FFFFFF;
    box-shadow: 0px 4px 18px -3px rgba(51, 51, 51, 0.2);
    border-radius: 16px;
}

.cooperative-customer-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-us-box {
    display: flex;
    justify-content: space-between;
    margin-top: 50px;
}

.about-us-left {
    width: 47%;
}

.about-us-left-title {
    color: #333333;
    box-sizing: border-box;
    margin-bottom: 20px;
}

.left-line {
    width: 100%;
    height: 1px;
    background: #C7C7C7;
    margin-bottom: 22px;
    position: relative;
}

.left-line::before {
    content: '';
    width: 90px;
    height: 5px;
    background: linear-gradient(to right, #F40B0B, #F37819);
    position: absolute;
    top: -2.5px;
    left: 0;
}

.about-us-left-desc {
    color: #333333;
    white-space: pre-line;
    line-height: 32px;
    letter-spacing: 1px;
    text-align: left;
    font-weight: 400;
}

.about-us-right {
    width: 47%;
}

.last-btns {
    display: flex;
    align-items: center;
}

.btn{
    box-sizing: border-box;
    padding: 0 16px 0 20px;
    height: 32px;
    line-height: 32px;
    border-radius: 30px;
    background: transparent;
    border: 1px solid #ffffff;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 40px;
    width: auto !important;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn:hover {
    background: linear-gradient(to right, #F40B0B, #F37819);
    border: 1px solid transparent;
    color: #ffffff;
}

.btn img {
    width: 16px;
    height: 16px;
    margin-left: 8px;
}
.vis6{
    overflow: unset;
}

@media screen and (max-width: 1200px) {
    .pre-img {
        display: none;
    }

    .next-img {
        display: none;
    }
}

@media screen and (max-width: 500px) {
    .line-3d-btns{
        position: unset;
        margin-top: 20px;
    }
    .line-3d-btn{
        width: 100%;
    }
    .advantage-item{
        margin: 0 20px;
    }
    .advantage-product-box{
        grid-template-columns: 1fr;
    }
    .customer-case-study-box{
        height: 460px;
    }
    .customer-case-list{
        height: auto;
    }
    .customer-case-desc{
        box-sizing: border-box;
        padding: 0 15px;
        text-align: center;
    }
    .customer-case-desc-btn{
        box-sizing: border-box;
        padding: 8px 20px;
        height: auto;
        line-height: unset;
        text-align: center;
    }
    .cooperative-customer-list{
        grid-template-columns: repeat(2, 1fr);
        gap: 15px 25px;
    }
    .about-us-box{
        display: block;
    }
    .about-us-left, .about-us-right{
        width: 100%;
    }
    .last-btns{
        width: 100%;
        display: block;
        margin-top: 18px;
    }
    .last-btns>.btn{
        margin-right: 0;
        margin-bottom: 18px;
    }
}