.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: #fff;
    font-size: 14px;
    font-weight: bold;
    margin-top: 41px;
}
.top-btns>div
{
    line-height: 30px;
    border: 1px solid #fff;
    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: #000;
    margin-bottom: 20px;
    line-height: 28px;
}
.line-item-content
{
    color: #333;
    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: #fff;
    box-shadow: 0 6px 28px -8px rgba(0,0,0,.2);
}
.btn-desc
{
    color: #777;
    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: #666;
    box-sizing: border-box;
    padding-bottom: 16px;
    cursor: pointer;
    margin: 0 68px;
}
.advantage-item.active
{
    color: #333;
    font-weight: bold;
    border-bottom: 4px solid;
    border-image: linear-gradient(to right,#f40b0b 0%,#f37819 100%) 1;
}
.advantage-desc
{
    margin-top: 37px;
    color: #000;
    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: 0 4px 24px -4px rgba(51,51,51,.2);
    border-radius: 0 0 0 0;
    box-sizing: border-box;
    padding: 20px;
    cursor: pointer;
    list-style: none;
    white-space: pre-line;
}
.advantage-product:hover
{
    background-image: url("/png/hafcq275.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: #000;
    text-align: center;
}
.advantage-product-desc
{
    color: #333;
    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: #fff;
    background: linear-gradient(to right,#f40b0b,#f37819);
    box-shadow: 0 6px 28px -8px rgba(0,0,0,.2);
}
.advantage-right-tabbox
{
    margin-top: 40px;
}
.advantage-right-btns
{
    font-size: 12px;
    color: #666;
}
.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: #fff;
    background: linear-gradient(to right,#f40b0b,#f37819);
}
.btn-item:hover
{
    color: #fff;
    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('/png/rajyk0nk.png');
    background-size: 100% 100%;
    background-repeat: no-repeat;
    cursor: pointer;
}
.pre-img div
{
    transform: rotate(180deg);
}
.pre-img div:hover
{
    background-image: url('/png/2amublu3.png');
    transform: rotate(0deg);
}
.next-img div:hover
{
    background-image: url('/png/2amublu3.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: #fff;
    box-shadow: 0 10px 30px -12px rgba(51,51,51,.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: #333;
    margin-bottom: 28px;
    line-height: 28px;
}
.customer-case-desc-a
{
    color: #333;
    text-decoration: underline;
    text-decoration-color: #333;
    line-height: 20px;
}
.customer-case-desc-btn
{
    margin-top: 50px;
    color: #fff;
    height: 32px;
    line-height: 32px;
    border-radius: 16px;
    padding: 0 20px;
    background: linear-gradient(90deg,#f40b0b,#f37819);
}
.cooperative-customer-desc
{
    color: #000;
    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: #fff;
    box-shadow: 0 4px 18px -3px rgba(51,51,51,.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: #333;
    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: #333;
    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 #fff;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 40px;
    width: auto!important;
    transition: all .3s ease;
    cursor: pointer;
}
.btn:hover
{
    background: linear-gradient(to right,#f40b0b,#f37819);
    border: 1px solid transparent;
    color: #fff;
}
.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;
    }
}