.indexr {
    background-color: #F9F9F9;
}

.indexr .title {
    text-align: center;
    position: relative;
}

.indexr .title h2 {
    font-size: 42px;
    font-weight: bold;
    margin-bottom: 30px;
    padding-top: 60px;
    color: #292929;
}

.indexr .title .summary {
    line-height: 25px;
    font-size: 16px;
    margin-bottom: 60px;
}

.indexr .wrapper {
    width: 1430px;
}

.indexr .com {
    overflow: hidden;
    position: relative;
    padding-bottom: 10px;
}

.indexr .com .list h2 {
    font-size: 19px;
    margin-top: 16px;
    text-align: center;
    line-height: 26px;
}

.indexr .com .list .left:hover {
    color: #EC8415;
}

.indexr .com .swiper.mySwipercate {
    padding: 8px 2px 56px;
}

.indexr .com .swiper.mySwipercate .list {
    text-align: center;
    box-shadow: 0 4px 11px 0 #E4E4E4;
}

.indexr .com .swiper.mySwipercate .list h2 {
    height: 68px;
    padding-bottom: 15px;
    font-weight: bold;
    padding: 0 10px;
}

.indexr .com .swiper.mySwipercate .list h2 span {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.indexr .title .p {
    max-width: 800px;
    margin: 28px auto 34px;
    width: 100%;
    line-height: 24px;
    font-size: 16px;
}

.indexr .title .mySwipercatelr .swiper-button-next,
.indexr .title .mySwipercatelr .swiper-button-prev {
    color: #000;
    opacity: 1;
}

.indexr .title .mySwipercatelr .swiper-button-next::after,
.indexr .title .mySwipercatelr .swiper-button-prev::after {
    font-size: 22px;
}

.indexr .title .mySwipercatelr .swiper-button-next {
    right: 6px;
    bottom: -12px;
    top: auto;
}

.indexr .title .mySwipercatelr .swiper-button-prev {
    right: 32px;
    bottom: -12px;
    top: auto;
    left: auto;
}



.inderes {
    padding: 130px 0 110px;
    background-size: cover;
}

.inderes .left {
    width: 40%;
}

.inderes .right {
    width: 60%;
    overflow: hidden;
}

.inderes .left .con {
    width: 400px;
    margin-left: auto;
    margin-right: 60px;
}

@media only screen and (max-width: 1920px) {
    .inderes .left {
        width: 38%;
    }

    .inderes .right {
        width: 62%;
        overflow: hidden;
    }

    .inderes .left .con {
        width: 400px;
        margin-left: auto;
        margin-right: 84px;
    }
}



.aboutvideo {
    /* padding: 70px 0; */
    background: #F9F9F9;
}

.aboutvideo .aboutustu {
    width: 55%;
}

.aboutvideo .aboutus {
    width: 40%;
    color: #111111;
}

.aboutvideo .aboutustu .oimg img {
    width: 100%;
}

.aboutvideo .aboutus h2 {
    margin-bottom: 20px;
    font-size: 42px;
    font-weight: 600;
}

.aboutvideo .aboutus .p {
    font-size: 16px;
    line-height: 26px;
    color: #333;
}

.aboutvideo .aboutus a {
    color: #fff;
    font-size: 16px;
    margin-top: 20px;
    display: inline-block;
    background: #EC8415;
    padding: 10px 36px;
    border-radius: 6px;
    font-weight: bold;
}

.aboutvideo .aboutus a:hover {
    background: #313131;
}

.aboutvideo .aboutustu .oimg {
    border-radius: 10px;
}

.aboutvideo .aboutus h3 {
    font-size: 28px;
    margin-bottom: 12px;
}

.aboutvideo .aboutus .a .iimg {
    margin-top: 20px;
}

.aboutvideo .aboutus .a .iimg img {
    margin-left: 12px;
    width: 54px;
    height: 44px;
}

.indexcaselist {
    padding: 50px 0;
    background: #FFF;
}

.indexcaselist .title {
    text-align: center;
    position: relative;
    margin-bottom: 40px;
}

.indexcaselist .title h2 {
    font-size: 42px;
    font-weight: bold;
}

.indexcaselist .title a {
    position: absolute;
    top: 0;
    right: 0;
    border: 1px solid #EB8314;
    color: #EB8314;
    font-size: 16px;
    font-weight: bold;
    padding: 8px 26px;
    border-radius: 6px;
}

.indexcaselist .title a:hover {
    border: 1px solid #313131;
    color: #313131;
}

.indexcaselist .com .list h2 {
    text-align: center;
    font-size: 18px;
    margin: 20px 0 14px;
    font-weight: bold;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.indexcaselist .com .list h2:hover {
    color: #EB8314;
}

.indexcaselist .com .list .p {
    color: #5A5A5C;
    font-size: 16px;
    line-height: 1.6;
    padding: 0 10px;
    display: -webkit-box;
    -webkit-line-clamp: 6;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.indexcaselist .com .swiper .swiper-button-nextss,
.indexcaselist .com .swiper .swiper-button-prevss {
    background: #9C9C9C;
    padding: 8px 6px;
    color: #fff;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: #C4C4C4;
    z-index: 999;
}

.indexcaselist .com .swiper .swiper-button-nextss .EFfx,
.indexcaselist .com .swiper .swiper-button-prevss .EFfx {
    font-size: 26px;
    display: block;
}

.indexcaselist .com .swiper .swiper-button-nextss {
    right: 0;
}

.indexcaselist .com .swiper .swiper-button-prevss {
    left: 0;
}

.indexcaselist .com .swiper .swiper-button-nextss:hover,
.indexcaselist .com .swiper .swiper-button-prevss:hover {
    background: #EC8415;
}



.indexvdeos {
    padding: 20px 0 40px;
}

.indexvdeos .title h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 40px;
}

.indexvdeos .com {
    position: relative;
}

.indexvdeos .com .comtop .list {
    width: 48.5%;
}

.indexvdeos .com .comtop .list .video {
    position: relative;
}

.indexvdeos .com .comtop .list img {
    width: 100%;
}

.indexvdeos .com .comtop .list .video a {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("../images/video_doc_03.png") no-repeat center center;
}

.indexvdeos .com .comtop .list .video a:hover {
    background: url("../images/video_doc_05.png") no-repeat center center;
}

.indexvdeos .com .comtop .list h2 {
    font-size: 24px;
    margin-bottom: 15px;
    font-weight: bold;
}

.indexvdeos .com .comtop .list p {
    font-size: 16px;
    line-height: 1.5;
}

.indexvdeos .com .comtop .list a {
    display: inline-block;
    padding: 10px 36px;
    margin-top: 24px;
    background: #EC8415;
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    border-radius: 6px;
}

.indexvdeos .com .comtop .list a:hover {
    background: #313131;
}

.indexvdeos .com .compost .list .video a {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("../images/video_doc_03.png") no-repeat center center;
}

.indexvdeos .com .compost .list .video a:hover {
    background: url("../images/video_doc_05.png") no-repeat center center;
}

.indexvdeos .com .compost {
    position: absolute;
    bottom: 40px;
    background: #fff;
    padding: 22px 22px;
    right: 0;
}

.indexvdeos .com .compost .list {
    width: 230px;
    position: relative;
}

.indexvdeos .com .compost .list .titles {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
}

.indexvdeos .com .compost .list .titles h2 {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 16px;
    font-weight: bold;
    text-align: center;
    padding: 12px 12px;
}


.indexraq .title h2 {
    font-size: 42px;
    font-weight: bold;
}



.indexraq .com .right .pp {
    font-size: 16px;
    line-height: 1.4;
    margin-bottom: 20px;
}

.indexraq .com .right label {
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 8px;
}


.topadd {
    position: relative;
    padding: 60px 0;
}

.topadd .swiper-pagination {
    position: unset;
    width: unset;
}

.topadd .swiper-button-nexta,
.topadd .swiper-button-preva,
.topadd .swiper-pagination-current,
.topadd .swiper-pagination-total {
    margin: 0 5px;
    width: 40px;
    height: 40px;
    text-align: center;
    border: 1px solid #959595;
    border-radius: 50%;
    background: #FFF;
    color: #909090;
    line-height: 40px;
    font-weight: bold;
    font-size: 15px;
}

.topadd .swiper-button-nexta:hover,
.topadd .swiper-button-preva:hover {
    cursor: pointer;
    background: #EC8415;
    border: 1px solid #EC8415;
    color: #fff;
}

.indexnews .title h2 {
    font-size: 42px;
    margin-bottom: 30px;
}

.indexnews .con {
    position: relative;
}

.indexnews .list .oimg {
    width: 41%;
    border-radius: 8px;
}

.indexnews .list .conui {
    width: 56%;
}

.indexnews .list .conui .riqi {
    font-size: 16px;
    color: #EC8415;
    margin-bottom: 10px;
}

.indexnews .list .conui h2 {
    font-size: 20px;
    line-height: 1.4;
    margin-bottom: 10px;
    font-weight: bold;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.indexnews .list .conui .a {
    font-size: 16px;
    margin-top: 24px;
}

.indexnews .list .conui h2:hover {
    color: #EC8415;
}









.oimg {
    overflow: hidden;
}

.oimg img {
    transition: all 0.3s;
    display: inline-block;
}

.oimg img:hover {
    transform: scale(1.1);
}

.pnome {
    display: none;
}

.mnome {
    display: block;
}

@media only screen and (max-width: 1400px) {
    .indexr .wrapper {
        width: 100%;
    }

    .wrapper {
        width: 100%;
        margin: 0 auto;
        padding: 0 10px;
    }

    .inderes .wrappers {
        padding: 0 10px;
        width: 100%;
    }

}

@media only screen and (max-width: 1200px) {

    .wrapper {
        width: 100%;
        margin: 0 auto;
        padding: 0 10px;
    }

    .indexr .wrapper {
        width: 100%;
    }

    .indexr .com {
        overflow: hidden;
        position: relative;
    }

    .inderes .left .con {
        width: 92%;
        margin-left: auto;
        margin-right: 30px;
    }

    .inderes .right .swipers {
        width: 100%;
        margin-right: auto;
    }

    .indexvdeos .com .compost .list {
        width: 180px;
        position: relative;
    }

    .indexvdeos .com .compost {
        position: absolute;
        bottom: 4px;
        background: #fff;
        padding: 22px 22px;
        right: 0;
    }





}

@media only screen and (max-width: 1024px) {
    .pnome {
        display: block;
    }

    .mnome {
        display: none;
    }

    .inderes .left {
        width: 100%;
    }

    .inderes .left .con {
        width: 100%;
        margin-left: auto;
        margin-right: 0;
    }

    .inderes .right {
        width: 100%;
        overflow: hidden;
    }

    .inderes .left .con .a.pnome {
        text-align: center;
        margin-top: 16px;
    }

    .indexnews .title {
        width: 100%;
        margin-bottom: 40px;
    }

    .indexnews .con {
        width: 100%;
    }

    .indexnews .title .p {
        font-size: 16px;
        width: 100%;
        color: #292929;
    }

    .aboutvideo .aboutus {
        width: 100%;
        margin-top: 0;
        margin-bottom: 30px;
    }

    .aboutvideo .aboutustu {
        width: 100%;
    }

    .indexwindows .swiper .grid-container {
        gap: 20px 10px;
        padding: 4px;
    }

    .indexvdeos .com .compost {
        position: unset;
        background: #fff;
        padding: 22px 22px;
        margin-top: 20px;
    }

    .indexvdeos .com .compost .list {
        width: max-content;
        position: relative;
    }
}

@media only screen and (max-width: 980px) {

    .indexr .title h2 {
        font-size: 32px;
        font-weight: bold;
        margin-bottom: 23px;
    }

    .indexr .title .summary {
        line-height: 25px;
        font-size: 16px;
        margin-bottom: 34px;
    }




}



@media only screen and (max-width: 580px) {



    .indexr .title h2 {
        font-size: 24px;
        font-weight: bold;
        margin-bottom: 23px;
    }

    .indexr .title .summary {
        line-height: 20px;
        font-size: 13px;
        margin-bottom: 20px;
    }

    .indexr .com {
        overflow: hidden;
        position: relative;
        padding-bottom: 0;
    }




    .indexnews .title .p {
        font-size: 14px;
        max-width: 600px;
        margin: 0 auto;
        width: 100%;
        color: #292929;
        line-height: 22px;
    }

    .indexwindows .title h2 {
        text-align: center;
        font-size: 24px;
        font-weight: bold;
    }

    .indexadr .title h2 {
        font-size: 24px;
        font-weight: bold;
        margin-bottom: 18px;
        padding-top: 20px;
        color: #292929;
    }

    .aboutvideo .aboutus h2 {
        margin-bottom: 15px;
        font-size: 24px;
        font-weight: 600;
    }

    .indexvideolist .title h2 {
        font-size: 24px;
        font-weight: bold;
        margin-bottom: 18px;
        padding-top: 30px;
        color: #292929;
    }

    .indexnews .title h2 {
        font-size: 24px;
        font-weight: 600;
        margin-bottom: 10px;
        color: #292929;
    }

    .indexnews .title {
        width: 100%;
        margin-bottom: 20px;
    }

    .indexnews {
        padding: 36px 0;
    }

    .index7 .title h2 {
        font-size: 20px;
        font-weight: bold;
        margin-bottom: 12px;
        color: #fff;
        text-align: center;
    }

    .index7 .title p {
        color: #fff;
        text-align: center;
        font-size: 14px;
        margin-bottom: 10px;
        padding: 0 10px;
    }


    .biaodanlist {
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        width: 100%;
    }

    .biaodan .item.items label {
        width: 100%;
        flex: 0;
    }

    .biaodan .item {
        width: calc(100% - 20px);
        border-bottom: 1px solid #fff;
        margin: 20px 10px;
        padding-bottom: 4px;
    }

    .indexraq .com .right .item.verify_status input {
        /* width: 120px; */
        width: 80%;
    }

    .biaodan .item.verify_status {
        position: relative;
    }

    .biaodan .item.verify_status img {
        width: 96px;
        position: absolute;
        top: 0px;
        right: 0;
    }

    .aboutvideo .xiangce .oimg {
        text-align: center;
    }

    .aboutvideo .xiangce .oimg img {
        display: inline-block;
    }

    .indexvdeos .com .comtop .list {
        width: 100%;
        margin: 10px 0;
    }


}

@media only screen and (max-width: 498px) {

    .indexr .title h2 {
        font-size: 24px;
        font-weight: bold;
        margin-bottom: 10px;
        padding-top: 30px;
        text-align: left;
    }

    .aboutvideo {
        padding: 15px 0;
        background-size: cover;
    }

    .aboutvideo .aboutus a {
        color: #fff;
        font-size: 16px;
        margin-top: 20px;
        display: inline-block;
        background: #EC8415;
        padding: 10px 14px;
        border-radius: 6px;
        font-weight: bold;
    }

    .indexwindows .title h2 {
        text-align: left;
        font-size: 24px;
        font-weight: bold;
    }

    .indexwindows .indexwinbg {
        padding-top: 36px;
    }

    .indexwindows .swiper {
        padding-bottom: 50px;
    }



    .indexvdeos .title h2 {
        text-align: center;
        font-size: 24px;
        margin-bottom: 10px;
    }

    .indexvdeos .com .comtop .list h2 {
        font-size: 18px;
        margin-bottom: 12px;
        font-weight: bold;
    }

    .indexvdeos .com .comtop .list a {
        display: inline-block;
        padding: 8px 24px;
        margin-top: 24px;
        background: #EC8415;
        color: #fff;
        font-size: 16px;
        font-weight: bold;
        border-radius: 6px;
    }

    .indexraq .title {
        padding: 10px 0 25px;
        text-align: center;
    }

    .indexraq .title h2 {
        font-size: 24px;
        font-weight: bold;
    }

    .indexraq .com .left h3 {
        font-size: 14px;
        font-weight: bold;
        margin-bottom: 12px;
    }

    .indexraq .com .left h2 {
        font-size: 20px;
        font-weight: bold;
        max-width: 500px;
        line-height: 1.2;
        margin-bottom: 12px;
    }

    .indexraq .com .left .but .contactus {
        background: #EC8415;
        color: #fff;
        padding: 8px 20px;
        border-radius: 6px;
        font-size: 16px;
        font-weight: bold;
        margin-right: 24px;
        width: auto;
        margin-bottom: 8px;
    }

    .indexraq .com .left .but span {
        display: inline-block;
        width: 2px;
        height: 38px;
        background: #EC8415;
        margin-right: 24px;
        margin-bottom: 8px;
    }

    .indexraq .com .left .but .whatApp {
        font-size: 16px;
        margin-bottom: 8px;
    }

    .indexraq .com .right {
        width: 100%;
        padding: 20px;
        border-radius: 10px;
        margin-bottom: 30px;
    }

    .verification {
        display: flex;
        /* flex-direction: column !important; */
    }

    .verification .input-wrapper {
        width: 100% !important;
    }

    .verification img {
        width: 100% !important;
        height: auto !important;
        margin-left: 0 !important
    }

    @media (max-width: 768px) {
        .indexraq .com .right .item {
            width: 100%;
        }
    }

    .indexadr .com .swiper {
        padding: 50px 0px 100px;
    }
}

/* 热门产品 */
.hot-products-section {
    background: #fff;
}

/* 头部排版 */
.main-header {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    margin-bottom: 40px;
}

.main-header h2 {
    font-size: 32px;
    font-weight: bold;
    text-transform: uppercase;
}



/* 小类目标题 */
.category-block {
    margin-bottom: 50px;
}

.sub-title {
    font-size: 18px;
    font-weight: bold;
    color: #444;
    margin-bottom: 20px;
    text-align: left;
}

/* Swiper 基础设置 */
.hot-swiper {
    position: relative;
}

@media (max-width: 768px) {
    .category-title {
        display: flex;
        justify-content: center;
    }



}

.hot-swiper .swiper-slide {
    width: 444px !important;
    height: 444px !important;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.dark-style .product-img {
    aspect-ratio: 1/1;
    background: #f0f0f0;
    overflow: hidden;
}


.dark-style .product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.light-card-style .card-box {
    background: #fff;
    border: 1px solid #eee;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    padding: 20px;
    aspect-ratio: 1/1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.light-card-style .product-img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.product-title {
    margin-top: 15px;
    font-size: 14px;
    line-height: 1.4;
    font-weight: bold;
    color: #333;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    padding: 0 10px;
}



.hot-swiper .swiper-button-next {
    right: 0;
    border-radius: 4px 0 0 4px;
}


.main-header {
    display: flex;
    justify-content: center;
    position: relative;
    margin-bottom: 40px;
}

.main-header h2 {
    font-size: 30px;
    font-weight: bold;
}


.category-title {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 20px;
    margin-top: 36px;
}

.category-title .product-card {
    display: flex;
    flex-direction: column;
    align-items: center;
}


.white-box img {
    width: 444px;
    height: 444px;
    object-fit: contain;
    object-fit: contain;
}

.product-info {
    margin-top: 15px;
    font-size: 16px;
    color: #333;
    line-height: 1.4;
    font-weight: 600;
    text-align: center;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hot-swiper .swiper-button-prev,
.hot-swiper .swiper-button-next {
    width: 50px;
    height: 60px;
    background: #FFFFFF;
    color: #fff;
    margin-top: -60px;
}


.hot-swiper .swiper-button-prev:after,
.hot-swiper .swiper-button-next:after {
    font-size: 26px;
    font-weight: bold;
    color: #111111;
}

.hot-swiper .swiper-button-prev:hover,
.hot-swiper .swiper-button-next:hover {
    background: #111111;
    color: #fff;
    margin-top: -60px;
}


.hot-swiper .swiper-button-prev:hover:after,
.hot-swiper .swiper-button-next:hover:after {
    font-size: 26px;
    font-weight: bold;
    color: #ffffff;
}

.hot-swiper .swiper-button-prev {
    left: 0;
    border-radius: 0 4px 4px 0;
}

.hot-swiper .swiper-button-next {
    right: 0;
    border-radius: 4px 0 0 4px;
}

.hot-products-section .container {
    max-width: 1400px;
    margin: 36px auto 0 auto;
    box-sizing: border-box;
    padding: 20px 10px;
}

/* 响应式断点 */
@media (max-width: 768px) {
    .main-header h2 {
        font-size: 24px !important;
    }


    .hot-swiper .swiper-button-prev,
    .hot-swiper .swiper-button-next {
        width: 35px;
        height: 45px;
        background: rgba(0, 0, 0, 0.6);
        color: #fff;
        margin-top: -40px;

    }

    .hot-swiper .swiper-button-prev {
        left: 0;
        border-radius: 0 4px 4px 0;
    }

    .hot-swiper .swiper-button-next {
        right: 0;
        border-radius: 4px 0 0 4px;
    }

    .hot-swiper .swiper-button-prev:after,
    .hot-swiper .swiper-button-next:after {
        font-size: 16px;
    }
}

/* 响应式断点 */
@media (max-width: 414px) {
    .main-header h2 {
        font-size: 18px !important;
    }

    .main-header {}

}

.hot-swiper {
    width: 100%;
    overflow: hidden;
    position: relative;
}

/* SOLUTION */
.solution-section {
    padding: 80px 0;
    background-color: #f9f9f9;
    text-align: center;
}

/* 头部文字 */
.solution-header {
    max-width: 800px;
    margin: 0 auto 50px;
}

.solution-header h2 {
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 15px;
}

.solution-header p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

/* 网格布局：关键部分 */
.solution-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    /* 大屏幕 4 列 */
    gap: 20px;
    /* 卡片之间的间距 */
    margin-bottom: 50px;
}

/* 修改卡片样式 */
.solution-item {
    background: #fff;
    padding: 60px 30px;
    border-radius: 4px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.06);

    display: flex;
    flex-direction: column;
    align-items: center;
    /* 内容水平居中 */
    text-align: center;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

.solution-item h3 {
    font-size: 19px;
    font-weight: bold;
    color: #111;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80px;
    line-height: 1.3;
    width: 100%;
}

.solution-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
    margin-top: 25px;
    margin-bottom: 0;
}

/* 4. 底部按钮优化 */
.solution-footer {
    margin-top: 50px;
}

.quote-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #1a1a1a;
    color: #fff;
    padding: 20px 50px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 18px;
    transition: background 0.3s;
    text-transform: uppercase;
}

.quote-btn:hover {
    background: #333;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    /* 增加卡片间的间距 */
    max-width: 1400px;
    margin: 0 auto 60px;
    padding: 0 10px;
}

.solution-item:hover {
    transform: translateY(-5px)
        /* 悬浮动效 */
}

.icon-box {
    height: 100px;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-box img {
    max-height: 100%;
    width: auto;
}


/* 响应式适配 */
@media (max-width: 1200px) {
    .solution-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* 平板端 3 列 */
}

@media (max-width: 768px) {
    .solution-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 小平板 2 列 */
}

@media (max-width: 480px) {
    .solution-grid {
        grid-template-columns: 1fr;
    }

    /* 手机端 1 列 */
}



/* 视频 */
.videos-section {
    padding: 40px 0 15px 0;

    background: #FFFFFF;
}

.videos-header {
    text-align: center;
    margin-bottom: 40px;
}

.videos-header h2 {
    font-weight: 700;
    color: #000000;
    margin: 0;
}

.videos-swiper {
    padding: 0 10px 40px 10px;
}

/* 视频卡片 */
.video-card {
    background: #FFFFFF;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

/* 缩略图容器 */
.video-thumbnail {
    position: relative;
    width: 100%;
    padding-top: 80.75%;
    /* 322/260 比例 */
    background: #F5F5F5;
    overflow: hidden;
}

.video-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}


/* 播放按钮 */
.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
    transition: transform 0.3s ease;
}

.video-card:hover .play-btn {
    transform: translate(-50%, -50%) scale(1.1);
}

/* 视频信息 */
.video-info {
    padding: 20px;
}

.video-info h3 {
    font-size: 16px;
    font-weight: 600;
    color: #000000;
    margin: 0 0 24px 0;
    line-height: 1.5;
    text-align: center;
}

.video-info p {
    font-size: 14px;
    font-weight: 400;
    color: #666666;
    margin: 0;
    line-height: 1.6;
    text-align: center;
}

.videos-pagination .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #CCCCCC;
    opacity: 1;
    margin: 0 4px;
    transition: all 0.3s ease;
}

.videos-pagination .swiper-pagination-bullet-active {
    background: #D32F2F;
    transform: scale(1.2);
}

.videos-swiper .swiper-button-next,
.videos-swiper .swiper-button-prev {
    top: 30%;
    width: 50px;
    height: 60px;
    color: #ffffff;
    background: #C4C4C4;
    font-weight: 600;
}

.videos-swiper .swiper-button-next:hover {
    background: #D9481B;
}

.videos-swiper .swiper-button-prev:hover {
    background: #D9481B;
}

.videos-swiper .swiper-button-prev {
    left: 10px;
}

.videos-swiper .swiper-button-next {
    right: 10px;
}

/* 响应式调整 */
@media (max-width: 768px) {


    .videos-header h2 {
        font-size: 16px;
    }

    .video-info {
        padding: 16px;
    }

    .video-info h3 {
        font-size: 15px;
    }

    .video-info p {
        font-size: 14px;
    }
}


/* 文字部分 */
.video-text {
    flex: 1;
    max-width: 400px;
    transition: transform 0.4s ease-out;
}

.video-text h3,
.video-text p {
    transition: all 0.4s ease-out;
}

.video-text h3 {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #333;
}

.video-text p {
    font-size: 16px;
    color: #000000;
    font-weight: 600;
    margin-bottom: 45px;
    line-height: 1.6;
}

.read-more {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 10px 28px;
    background: #01893D;
    color: #fff;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    overflow: hidden;
    z-index: 1;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    /* 初始给个微弱阴影 */
}


.read-more {
    transition: all 0.4s ease-out;
    opacity: 0.8;
}


.video-placeholder {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
}


.video-placeholder img {
    max-width: 850px;
    width: 100% !important;

    max-height: 390px;
    height: auto;
    object-fit: cover;

    transition: all 0.4s ease-out;
    display: block;
}

.video-row:hover .video-placeholder::before {
    background: rgba(0, 0, 0, 0.3);
}

.video-row:hover .video-text {
    transform: translateY(-8px);
}

.video-row:hover .video-text h3 {
    color: #34A164;
}

.video-row:hover .video-text p {
    color: #555;
}

.video-row:hover .read-more {
    opacity: 1;
    transform: translateX(5px);
}



.video-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0);
    pointer-events: none;
    transition: background 0.4s ease-out;
    z-index: 1;
}

@keyframes ripple {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.6;
    }

    100% {
        transform: translate(-50%, -50%) scale(1.8);
        opacity: 0;
    }
}


/* 响应式：手机端全部变回正常的上下堆叠 */
@media (max-width: 768px) {

    .video-row,
    .video-row:nth-child(even) {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .video-text {
        max-width: 100%;
    }

    .video-row {
        flex-direction: column-reverse !important;
        gap: 20px !important;
        margin-bottom: 50px !important;
        text-align: center;
    }

    .video-text {
        max-width: 100% !important;
        padding: 0 15px;
    }

    .video-text h3 {
        font-size: 16px;
    }

    .video-text p {
        margin-bottom: 20px;
        font-size: 14px;
        color: #494949;
    }



    .video-header h2 {
        font-size: 26px;
    }

    .video-header p {
        font-size: 14px;

    }
}


@media (max-width: 480px) {
    .video-header h2 {
        font-size: 18px;
    }


    .video-text h3 {
        font-size: 14px;
    }

    .video-text p {
        margin-bottom: 20px;
        font-size: 14px;
        color: #494949;
    }
}


/* 技术 */
.container {
    /* max-width: 1400px; */
    padding: 0 10px;
    /* position: relative; */
}

.insights-section {
    padding: 100px 0;
    background: #fcfcfc;
}

/* 标题样式 */
.main-header {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 30px;
    flex-direction: column;
}

.main-header h2 {
    font-size: 34px;
    letter-spacing: 1px;
    position: relative;
}

.main-header h2::after {
    content: "";
    display: block;
    width: 50px;
    height: 3px;
    background: #0056b3;
    margin: 10px auto 0;
}

.insight-card {
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    cursor: pointer;
}

.image-box {
    border-radius: 4px;
    /* 微小的圆角增加精致度 */
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    /* 默认极淡阴影 */
}

.insight-card:hover {
    transform: translateY(-10px);
}

.insight-card:hover .image-box {
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.insight-card:hover .info-box .title {
    color: #0056b3;
}


.info-box .date {
    font-family: 'Arial', sans-serif;
    font-style: normal;
    letter-spacing: 0.5px;
    margin-top: 15px;
}

.info-box .title {
    font-size: 18px;
    /* 稍微加大 */
    margin-top: 8px;
    transition: color 0.3s;
}

/* 5. 导航按钮美化 */
.insights-section .swiper-button-prev,
.insights-section .swiper-button-next {
    width: 50px;
    height: 50px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    transition: all 0.3s;
}

.insights-section .swiper-button-prev:hover,
.insights-section .swiper-button-next:hover {
    background: #111111;
}

.insights-section .swiper-button-prev:hover:after,
.insights-section .swiper-button-next:hover:after {
    color: #fff !important;
}

.insights-section .swiper-button-prev {
    left: 9px;
}

.insights-section .swiper-button-next {
    right: 10px;
}

/* .main-header .more-link {
    font-weight: bold;
    color: #333;
    text-decoration: underline;
    text-align: end;
    width: 100%;
} */

.more-link {
    font-size: 16px;
    color: #333;
    text-align: end;
    text-decoration: underline;
    font-weight: bold;
}

@media (max-width: 768px) {
    .main-header .more-link {
        top: 35px;
    }

}

.swiper-outer {
    position: relative;
    /* width: 1400px; */
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    z-index: 5;
    padding: 0 10px;
    box-sizing: border-box;
}

.insights-swiper {
    width: 100%;
    overflow: visible !important;
}

.insights-section .swiper-slide {
    /* width: 448px !important; */
    /* width: 448px !important;
    max-width: 100%; */
}

.image-box {
    width: 100% !important;
    max-width: 448px;
    height: 384px !important;
    overflow: hidden;
    margin-bottom: 15px;
    background: #f5f5f5;
}




.image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.3s;
}

.insight-card:hover img {
    transform: scale(1.05);
}

.info-box .date {
    display: block;
    font-size: 13px;
    font-style: italic;
    color: #999;
    margin-bottom: 8px;
}

.info-box .title {
    font-size: 16px;
    color: #333;
    line-height: 1.4;
    font-weight: 600;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.insights-section .swiper-button-prev,
.insights-section .swiper-button-next {
    width: 50px;
    height: 60px;
    background: #FEFEFC;
    color: #fff;
    margin: 0;
    top: 192px;
    transform: translateY(-50%);
    position: absolute;
    z-index: 10;
}

@media (max-width: 768px) {
    .insights-section {
        padding: 40px 0;
    }

    .image-box {
        height: 240px !important;
    }


    /* 5. 导航按钮美化 */
    .insights-section .swiper-button-prev,
    .insights-section .swiper-button-next {
        width: 50px;
        height: 50px;
        background: rgba(0, 0, 0, 0.6);
        backdrop-filter: blur(4px);
        border-radius: 50%;
        transition: all 0.3s;
    }

    .insights-section .swiper-button-prev:hover,
    .insights-section .swiper-button-next:hover {
        background: #0056b3;
    }

    .insights-section .swiper-button-prev {
        left: 20px;
    }

    .insights-section .swiper-button-next {
        right: 20px;
    }

    .insights-section .swiper-button-prev,
    .insights-section .swiper-button-next {
        width: 40px;
        height: 40px;
        background: #ffffff;
        color: #fff;
        margin: 0;
        top: 132px !important;
        transform: translateY(-50%);
        position: absolute;
        z-index: 10;
    }
}

.insight-btn-prev {
    left: 14px;
}

.insight-btn-next {
    right: 14px;
}


.insights-section .swiper-button-prev:after,
.insights-section .swiper-button-next:after {
    font-size: 26px;
    font-weight: bold;
    color: #000000;

}

/* 证书章节 */
.certificate-section {
    padding: 80px 0 40px 0;
    background: #fff;
    text-align: center;
}

.section-title {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 40px;
    color: #333;
}

.certificate-swiper {
    width: 100%;
    max-width: 1400px;
    /* 5张图(254px*5) + 4个间距(30px*4) 约等于 1390px */
    margin: 0 auto;
    padding-bottom: 60px !important;
    position: relative;
    /* 确保超出部分隐藏 */
    overflow: hidden;
}

/* .cert-image-wrap {
    width: 100%;
    background: #f9f9f9;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
} */

.cert-image-wrap:hover {
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}


/* 分页器样式保持并微调 */
.certificate-swiper .swiper-pagination {
    bottom: 10px !important;
}

.certificate-swiper .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    background: #333 !important;
    opacity: 0.2;
    margin: 0 10px !important;
    transition: all 0.3s;
}

.certificate-swiper .swiper-pagination-bullet-active {
    background: #000 !important;
    opacity: 1;
    /* width: 24px; */
    border-radius: 4px;
}

/* 合作伙伴 */
.partner-section {
    padding: 40px 0 80px 0;
    background: #fff;
}

.section-title {
    text-align: center;
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 40px;
}

.logo-wrapper {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 38px 7px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 10px;
}

@media (max-width: 768px) {
    .logo-wrapper {
        gap: 20px;
    }
}

.logo-item {
    width: 266px;
    /* height: 166px; */
    background: #fff;
    border: 1px solid #f0f0f0;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: 0.3s;
    box-sizing: border-box;
    overflow: hidden;
}

.logo-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.logo-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

@media (max-width: 1024px) {
    .logo-item {
        width: calc((100% - (20px * 2)) / 3);
    }

}

@media (max-width: 768px) {
    .logo-item {
        width: calc((100% - 20px) / 2);
    }

}

/* 产品分类 */
/* 容器基础设置 */
.product-category-section {
    padding: 80px 0 0 0;
    background-color: #fff;
}

.product-category-section .wrapper {
    padding: 0 10px;
}

/* 标题栏布局 */
.category-header {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    margin-bottom: 30px;
    flex-direction: column;
}

.category-header h2 {
    font-weight: bold;
    color: #000;
}

/* 容器基础 */
/* Swiper 基础间距 */
.category-swiper-container {

    width: 100%;
    padding-bottom: 40px !important;
    position: relative;
    overflow: hidden;
}

/* 拼图容器 */
.mosaic-container {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    width: 100%;
}

.mosaic-item {
    border: 1px solid #333;
    background: #fff;
    position: relative;
    overflow: hidden;
}

.mosaic-item a {
    display: block;
    height: 100%;
    text-decoration: none;
}

.img-box {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.img-box img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.5s ease;
}

@media (max-width: 768px) {
    .category-header h2 {
        font-size: 16px;
    }

    .product-category-section {
        padding: 24px 0 0 0;
        background-color: #fff;
    }

    .category-swiper-container {
        padding-bottom: 0 !important;
    }

}

/* --- 严格按照标注图比例分配宽度 (490+880) --- */

/* 第一行：左小(35.7%) | 右大(64.3%) */
.item-0 {
    width: calc(35.7% - 8px);
    aspect-ratio: 490 / 286;
}

.item-1 {
    width: calc(64.3% - 8px);
    aspect-ratio: 880 / 286;
}

.item-2 {
    width: calc(58.4% - 8px);
    aspect-ratio: 800 / 486;
}

.item-2 .img-box {
    background-color: #ffffff;
}

.item-3 {
    width: calc(41.6% - 8px);
    aspect-ratio: 570 / 486;
}

.item-4 {
    width: calc(35.7% - 8px);
    aspect-ratio: 490 / 286;
}

.item-5 {
    width: calc(64.3% - 8px);
    aspect-ratio: 880 / 286;
}

/* --- Hover 遮罩交互 --- */
.overlay-info {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
    z-index: 10;
}

.mosaic-item:hover .overlay-info {
    opacity: 1;
    visibility: visible;
}

.mosaic-item:hover img {
    transform: scale(1.05);
}

.mosaic-item::before {
    content: '';
    position: absolute;
    inset: 0;
    /* border: 2px solid #DD723A; */
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 20;
}

.mosaic-item:hover::before {
    opacity: 1;
}

.mosaic-item:hover .overlay-text h3 {
    transform: translateY(0);
    opacity: 1;
}

.mosaic-item:hover .category-subtitle {
    transform: translateY(0);
    opacity: 1;
}

.overlay-text h3 {
    color: #fff;
    padding-bottom: 6px;
    font-weight: 600;
    text-align: center;
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.5s ease 0.1s, opacity 0.5s ease 0.1s;
}

.overlay-text .category-subtitle {
    color: #fff;
    font-size: 16px;
    margin-top: 12px;
    padding-bottom: 6px;
    text-align: center;
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.5s ease 0.1s, opacity 0.5s ease 0.1s;
}

.overlay-info .more-btn {
    position: absolute;
    top: 15px;
    right: 20px;
    color: #fff;
    font-weight: bold;
    border-bottom: 2px solid #fff;
    font-size: 14px;
}

/* 默认底部标题 */
.default-title {
    position: absolute;
    bottom: 12px;
    left: 15px;
    transition: opacity 0.3s;
}

.default-title h3 {
    font-size: 15px;
    color: #333;
    margin: 0;
}

.mosaic-item:hover .default-title {
    opacity: 0;
}

/* --- 分页器定制 --- */
.mosaic-pagination.swiper-pagination {
    bottom: auto !important;
}

.mosaic-pagination .swiper-pagination-bullet {
    margin: 0 6px !important;
    opacity: 0.3 !important;
}

.mosaic-pagination .swiper-pagination-bullet-active {
    background: #B82D20 !important;
    opacity: 1 !important;
}


/* 热门产品基础 */
.hot-products {
    padding: 30px 0;
    background: #fff;
}

.hot-products-section {
    position: relative;
    width: 100%;
    background: #fff;
    /* padding-bottom: 60px; */
    margin-top: 120px;
}

/* 1. 静态背景底层 */
.static-bg-provider {
    position: absolute;
    top: -80px;
    left: 0;
    width: 100%;
    height: 430px;
    z-index: 1;
}

.static-bg-provider img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 2. Swiper 容器 */
.hot-products-swiper {
    position: relative;
    z-index: 2;
}

/* 3. 顶部文字布局 */
.bg-text-inner {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 1400px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    color: #fff;
    padding: 0 10px;
    box-sizing: border-box;
}

.bg-text-inner h2 {
    font-weight: bold;
    margin: 0;
    font-size: 32px;
}

.bg-text-inner p {
    letter-spacing: 2px;
    margin-top: 8px;
    font-size: 15px;
    text-align: center;
}

.view-more-link {
    color: #fff;
    font-size: 14px;
    text-decoration: none;
    border-bottom: 1px solid #fff;
    padding-bottom: 2px;
}

/* 4. 产品卡片主容器 - Grid 配置 */
.hot-cards-main-container {
    max-width: 1400px;
    margin: 120px auto 0;
    position: relative;
    padding: 0 10px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    /* 显式定义区域，确保 PC 端不乱 */
    grid-template-areas:
        "big-area big-area side1"
        "card2 card3 card4";
    gap: 25px 20px;
}

/* 5. 卡片基础样式 */
.hot-card {
    background: none !important;
    overflow: visible !important;
}

.hot-card .img-box {
    width: 100%;
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.hot-card img {
    width: 100%;
    height: 100%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border-radius: 20px;
}

.info-box {
    padding: 15px 10px;
    text-align: center;
}

.info-box h3 {
    font-size: 14px;
    line-height: 1.5;
    color: #333;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/*  PC 端位置分配 (修正了 nth-of-type 逻辑) */
@media screen and (min-width: 769px) {
    .big-card {
        grid-area: big-area;
        height: 500px;
    }

    .side-style {
        grid-area: side1;
    }

    .side-style .img-box {
        height: 450px;
    }

    .bottom-style:nth-of-type(3) {
        grid-area: card2;
    }

    .bottom-style:nth-of-type(4) {
        grid-area: card3;
    }

    .bottom-style:nth-of-type(5) {
        grid-area: card4;
    }

    .bottom-style .img-box {
        height: 100%;
        max-height: 450px;
    }


}

/* 7. 分页器 */
.hot-pagination {
    position: relative !important;
    margin-top: 30px !important;
    text-align: center;
}

.hot-pagination .swiper-pagination-bullet-active {
    background: #B82D20;
    border-radius: 50%;
}

.swiper-horizontal>.swiper-pagination-bullets .swiper-pagination-bullet,
.swiper-pagination-horizontal.swiper-pagination-bullets .swiper-pagination-bullet {
    margin: 0 6px;

}


@media screen and (max-width: 768px) {

    .hot-products-swiper .swiper-slide {
        width: 100% !important;
        display: block !important;
    }

    .hot-cards-main-container {
        margin-top: 150px;
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        grid-template-areas: none !important;
        gap: 15px 10px !important;
        padding: 0 15px !important;
    }

    .big-card {
        grid-column: 1 / span 2 !important;
        grid-row: auto !important;
        width: 100% !important;
        height: 200px !important;
        margin-bottom: 5px !important;
    }

    .big-card a,
    .big-card img {
        height: 100% !important;
        border-radius: 12px !important;
    }

    .list-card {
        grid-area: auto !important;
        width: 100% !important;
    }

    .list-card .img-box {
        height: 150px !important;
        border-radius: 12px !important;
    }

    .info-box h3 {
        font-size: 14px !important;
        height: 3em;
        line-height: 1.5;
        -webkit-line-clamp: 2;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .bg-text-inner h2 {
        font-size: 16px;
        text-align: center;
    }

    .hot-products-section {
        padding-bottom: 12px;
    }

    .bg-text-inner {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
}



/* --- About Us 主体区域 --- */
.about-us-section {
    position: relative;
    width: 100%;
    height: 532px;
    /* 对应你图上的高度 */
    overflow: hidden;
    display: flex;
    align-items: center;
    /* 垂直居中 */
}

/* 背景图处理：让 img 标签撑满全屏 */
.about-bg {
    position: absolute;
    top: 40px;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.about-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* 核心属性：确保图片比例不变且铺满 */
}

/* 内容布局容器 */
.about-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: flex-end;
    top: 72px;
    /* 让内容卡片靠右 */
}

/* 右侧白色卡片 */
.about-content-card {
    background: #fff;
    padding: 20px 30px;
    width: 100%;
    max-width: 500px;
    /* 根据视觉调整宽度 */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-content-card h2 {
    margin-bottom: 14px;
    color: #333;
    font-weight: 600;
}

.about-text {
    font-size: 15px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 30px;
    font-weight: 600;
}

.view-more-btn {
    display: inline-block;
    color: #333;
    font-weight: bold;
    text-decoration: none;
    border-bottom: 2px solid #333;
}

/* --- 底部统计条 --- */
.statistics-bar {
    display: flex;
    justify-content: space-between;
    max-width: 1400px;
    margin: 65px auto 0 auto;
    text-align: center;
}

.stat-item strong {
    display: block;
    font-size: 34px;
    color: #000;
    padding-bottom: 12px;
}

.stat-item span {
    font-size: 14px;
    color: #111111;
    margin-top: 12px;
}

/* --- 手机端适配 --- */
@media screen and (max-width: 768px) {
    .about-us-section {
        height: auto;
        min-height: 450px;
        /* 增加最小高度以容纳向上偏移的卡片 */
    }

    .about-container {
        justify-content: center;
        position: relative;
        top: 0;
        padding-top: 50px;
    }

    .about-content-card {
        width: 90%;
        position: relative;
        top: -30px;
        z-index: 3;
    }

    .statistics-bar {
        flex-wrap: wrap;
    }

    .stat-item {
        width: 50%;
        margin-bottom: 20px;
    }

    .about-content-card h2 {
        margin-bottom: 16px;
        font-size: 16px;
    }

}

/* Why Choose Us  */
.why-choose-wrapper {
    position: relative;
    width: 100%;
}

.why-bg-layer {
    position: absolute;
    top: 50px;
    left: 0;
    width: 100%;
    max-height: 770px;
    height: 100%;
    z-index: 1;
}

.why-bg-layer img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.6);
}

/* 主内容层 */
.why-main-content {
    position: relative;
    z-index: 2;
    padding-top: 60px;
    pointer-events: auto;

}

.why-choose-container {
    max-width: 1200px;
    margin: 50px auto 0;
}

.why-title {
    color: #fff;
    margin-bottom: 40px;
    font-weight: 600;
}

/* 四个卡片：在背景图范围内 */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.advantage-card {
    background: #fff;
    padding: 30px 10px;
    text-align: center;
}

.advantage-card h3 {
    font-weight: 600;
    line-height: 1.2;
}

.advantage-card p {
    color: #7F7F7F;
    margin-top: 12px;
    font-size: 14px;
}

/* 底部表单盒子：实现“跨越”边界的效果 */
.bottom-info-box {
    background: #fff;
    display: flex;
    padding: 30px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    /* 如果你想让它更靠下，甚至超出图片高度，就在这里调 */
    margin-top: 20px;
}

/* 表单内部样式优化 */
.info-left,
.info-right {
    flex: 1;
}

.info-left p {
    line-height: 1.5;
    font-size: 16px;
    font-weight: 600;
}

.check-list {
    list-style: none;
    padding: 0;
    margin-top: 24px;
}

.check-list li {
    position: relative;
    margin-bottom: 18px;
    font-size: 15px;
    line-height: 1.5;
    color: #444;
    padding-right: 24px;
    margin-left: 24px;
}

/* 使用伪元素绘制小红勾 */
.check-list li::before {
    content: "";
    position: absolute;
    left: -24px;
    top: 1px;
    width: 18px;
    height: 18px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23B82D20'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-size: contain;
}

.why-form_content {
    display: flex;
    justify-content: space-between;
    align-items: center;

}

.why-form input,
.why-form textarea {
    background: #f4f4f4;
    border: 1px solid #eee;
    padding: 10px 12px;
    margin-bottom: 15px;
}

.why-form_content .verify_status {
    width: 48%;
}

.why-form input {
    width: 100%
}

.why-form textarea {
    width: 100%
}

.why-form textarea {
    resize: none;
    /* min-height: 120px; */
    line-height: 1.5;
    /* 隐藏滚动条但保留滚动功能 */
    scrollbar-width: none;
    /* Firefox */
    -ms-overflow-style: none;
    /* IE/Edge */
}

.why-form button {
    background: #B82D20;
    color: #fff;
    border: none;
    padding: 2px 50px;
    cursor: pointer;
}

/* --- 响应式 --- */
@media screen and (max-width: 992px) {
    .advantage-grid {
        grid-template-columns: repeat(1, 1fr);
        padding: 0 24px;
    }

    .advantage-card {
        box-shadow: 0 2px 4px rgb(57 55 55 / 30%);

    }

    .bottom-info-box {
        flex-direction: column;
        padding: 30px;
    }

    .why-bg-layer {
        max-height: 770px;
        height: 100%;
    }

    /* 手机端背景要拉长 */
}

/* 验证码样式 */
.why-choose-wrapper .input-wrapper {
    width: 60%;
    height: 45px;
    margin-bottom: 0;
}

.why-choose-wrapper .captcha-img {
    width: 30%;
}

.why-choose-wrapper .textbox_code {
    height: 100%;
}

.why-choose-wrapper .submit .btn {
    font-weight: 500;
    border-radius: 0;
}

.why-choose-wrapper #Inquiryb {
    width: 20%;
    background-color: #B82E21;
    padding: 8px 12px;
    color: #ffffff;

}

@media screen and (max-width: 768px) {
    .why-title {
        text-align: center;
        font-size: 16px;
    }

    .advantage-card h3 {
        font-size: 15px;
    }

    .why-choose-wrapper #Inquiryb {
        width: 40%;
        background-color: #B82E21;
        padding: 8px 12px;
        color: #ffffff;
    }
}

@media screen and (max-width: 414px) {
    .why-title {
        text-align: center;
    }

    .why-choose-wrapper #Inquiryb {
        width: 40%;
        background-color: #B82E21;
        padding: 8px 12px;
        color: #ffffff;

    }

}

/* 证书模块 */
.cert-section {
    padding: 80px 0 0 0;
    background: #fff;
}

.cert-container {
    width: 1400px;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 10px;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
    /* 防止PC端溢出 */
}

.cert-title {
    text-align: center;
    margin-bottom: 40px;
    font-weight: 600;
}

/* 响应式适配 */
@media (max-width: 768px) {

    .cert-title {
        font-size: 16px;
    }

    .cert-section {
        padding: 40px 0 0 0;
    }
}

.myCertSwiper {
    width: 100%;
    padding-bottom: 80px !important;
    /* 优化移动端触摸体验 */
    touch-action: pan-y;
    cursor: grab;
}

.cert-section .swiper-pagination-bullet-active {
    background: #B82D20;
    border-radius: 50%
}

/* PC端：严格锁定 4 个一组布局 */
@media screen and (min-width: 1024px) {
    .myCertSwiper .swiper-wrapper {
        display: flex;
        align-items: flex-end;
        /* 底部对齐 */
    }

    .myCertSwiper .swiper-slide {
        width: auto !important;
        flex-shrink: 0;
    }

    .slide-l .cert-img-box {
        width: 400px;
        height: 298px;
    }
}

/* 移动端：解决高度不足无法滑动的关键 */
@media screen and (max-width: 1023px) {
    .myCertSwiper .swiper-slide {
        width: 100% !important;
        /* 强制 Slide 撑满容器高度，扩大触摸范围 */
        min-height: 350px;
        display: flex;
        align-items: center;
        /* 垂直居中图片 */
        justify-content: center;
    }

    .cert-img-box {
        width: 85%;
        /* 稍微缩小一点，视觉效果更好 */
        height: auto !important;
        box-sizing: border-box;
    }

    /* 移动端依然保持比例感 */
    .slide-p .cert-img-box {
        aspect-ratio: 270 / 344;
    }

    .slide-l .cert-img-box {
        aspect-ratio: 400 / 298;
    }
}

/* 通用盒子样式 */
.cert-img-box {
    transition: transform 0.3s ease;
}

.cert-img-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    /* 改为 contain 保证证书内容不被裁剪 */
    display: block;
}

/* 客户评价 */
.testimonials-v2 {
    position: relative;
    height: 538px;
    overflow: hidden;
}

.testimonials-v2_bg {
    position: absolute;
    top: 40px;
    left: 0;
    width: 100%;
    max-height: 538px;
    height: 100%;
    z-index: 1;
}

.testimonials-v2_bg>img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.v2-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.v2-container {
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 90px auto 0;
    padding: 0 10px;
}

.v2-header h2 {
    color: #fff;
    text-align: center;
    margin-bottom: 60px;
    font-weight: bold;
}


.v2-swiper-outer {
    position: relative;
    padding: 0 60px;
}

/* --- 等高关键修改开始 --- */
.v2-testimonial-swiper .swiper-wrapper {
    display: flex;
    /* 开启Flex，Slide会自动等高 */
}

.v2-testimonial-swiper .swiper-slide {
    height: auto;
    /* 允许Slide被内容撑开 */
    display: flex;
}

.v2-card {
    width: 100%;
    max-width: 580px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
    flex: 1;
}

/* --- 等高关键修改结束 --- */

.top_text {
    display: flex;
    align-items: flex-start;
    width: 100%;
    margin-bottom: 30px;
}

.quote-icon {
    flex-shrink: 0;
    width: 45px;
    margin-right: 15px;
}

.quote-icon img {
    width: 100%;
    height: auto;
}

.v2-comment {
    color: #fff;
    font-size: 24px;
    line-height: 1.6;
    font-weight: 500;
    text-align: center;
    margin: 0;
    flex: 1;
}

.v2-client-box {
    display: flex;
    align-items: center;
    width: 100%;
    justify-content: center;
    margin-top: auto;
    /* 确保它位于盒子底部 */
}

.v2-avatar {
    flex-shrink: 0;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    border: 2px solid #fff;
    overflow: hidden;
    margin-right: 15px;
}

.v2-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.v2-name {
    font-weight: bold;
    color: #fff;
    font-size: 18px;
}


.v2-job {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.swiper-button-prev,
.swiper-button-next {
    color: #fff !important;
    transition: all 0.3s ease;
}

.swiper-button-prev:hover,
.swiper-button-next:hover {
    transform: scale(1.1) !important;
}

@media (max-width: 1024px) {
    .v2-card {
        max-width: 100%;
    }

    .v2-client-box {
        padding-left: 0;
        justify-content: center;
    }

    .top_text {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .v2-comment {
        text-align: center;
        margin-left: 0;
    }

    .quote-icon {
        margin-right: 0;
        margin-bottom: 10px;
    }
}

@media (max-width: 768px) {
    .v2-header h2 {
        font-size: 16px;
        margin-bottom: 24px;
    }

    .v2-comment {
        font-size: 14px;
    }

    .v2-name {
        font-size: 14px;

    }
}

.v2-testimonial-swiper {
    width: 100%;
    overflow: hidden;
}

@media (min-width: 1400px) {
    .v2-testimonial-swiper .swiper-slide {
        width: 50% !important;
        display: flex;
        justify-content: center;
    }

    .v2-card {
        width: 100%;
        max-width: 550px;
        margin: 0 auto;
    }
}

.swiper-button-prev {
    left: 0px !important;
}

.swiper-button-next {
    right: 0px !important;
}

/* 技术 */
.news-section {
    padding: 80px 0 40px 0;
    background: #fff;
    font-family: Arial, sans-serif;
}

.news-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 10px;
    overflow: hidden;
}

.news-header h2 {
    text-align: center;
    font-weight: bold;
    margin-bottom: 50px;
    color: #000;
}

.news-swiper-outer {
    position: relative;
}

.news-swiper-outer .swiper-slide {
    height: auto !important;
    display: flex !important;
}

/* 卡片基础样式 */
.news-card {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease;
    height: 100%;
}

.news-card:hover {
    transform: translateY(-5px);
    /* 悬浮微动 */
}

.news-img {
    position: relative;
    width: 100%;
    aspect-ratio: 340 / 240;
    overflow: hidden;
    background: #eee;
}

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

.img-size-tag {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: red;
    font-size: 40px;
    font-weight: bold;
}

.news-content {
    padding: 20px 0 0 0;
    display: flex;
    flex-direction: column;
    flex: 1;
    height: 100% !important;

}

.news-date {
    font-size: 14px;
    color: #666;
    margin-bottom: 10px;
}

.news-title {
    font-size: 18px;
    font-weight: bold;
    line-height: 1.4;
    color: #000;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.news-desc {
    font-size: 14px;
    color: #888;
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
}

.view-more {
    font-size: 14px;
    font-weight: bold;
    color: #333;
    transition: color 0.3s;
}

.news-card:hover .view-more {
    color: #000;
    text-decoration: underline;
}

/* 左右按钮还原：黑色方块，白色箭头 */
.news-prev,
.news-next {
    position: absolute;
    top: 31%;
    width: 40px;
    height: 45px;
    background: #9B9B9B;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: background 0.3s;
}


.news-section .swiper-button-prev:after {
    font-size: 24px !important;
    font-weight: 600
}

.news-section .swiper-button-next:after {
    font-size: 24px !important;
    font-weight: 600
}

.news-prev {
    left: 0;
}

.news-next {
    right: 0;
}

.news-prev:hover,
.news-next:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: scale(1) !important;
}

/* 响应式适配 */
@media (max-width: 768px) {

    .news-prev,
    .news-next {
        display: none;
    }

    .news-header h2 {
        font-size: 16px;
    }

    .news-title {
        font-size: 15px;
    }

    .news-section {
        padding: 40px 0 0 0;
    }

}

/* 文件下载模块 */
.download {
    position: relative;
    width: 100%;
    height: 274px;
    min-height: 150px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.download_bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    max-height: 274px;
    height: 100%;
    z-index: 1;
}

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


.download-content {
    position: relative;
    z-index: 3;
    width: 100%;
    max-width: 1050px;
    padding: 0 5%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10%;
    align-items: center;
    height: 100%;
}

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

.download-btn {
    background: #D32F2F;
    color: white;
    border: none;
    border-radius: 30px;
    padding: 12px 24px;
    font-weight: 500;
    font-size: clamp(14px, 1.2vw, 18px);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 8px rgba(211, 47, 47, 0.3);
    transition: all 0.3s ease;
    cursor: pointer;
    white-space: nowrap;
}

.download-btn:hover {
    background: #B71C1C;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(211, 47, 47, 0.4);
}

.download-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(211, 47, 47, 0.3);
}

.download-btn:focus {
    outline: 2px solid white;
    outline-offset: 2px;
}

.download-btn img {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    display: inline-block;
    vertical-align: middle;
    object-fit: contain;
}

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

.cta-text {
    color: white;
    font-weight: 700;
    font-size: clamp(16px, 2vw, 26px);
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-color: rgba(255, 255, 255, 1);
    letter-spacing: 0.5px;
    text-align: left;
    white-space: nowrap;
    transform: skew(-10deg);

}

/* 响应式设计 */
@media (max-width: 1200px) {
    .download-content {
        grid-template-columns: 1fr 1fr;
        gap: 3%;
    }
}

@media (max-width: 768px) {
    .download {
        height: auto;
        min-height: 200px;
        padding: 40px 0;
    }

    .download-content {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 20px 5%;
    }

    .size-label {
        text-align: center;
        align-self: center;
        padding-top: 0;
        font-size: 24px;
    }

    .download-section {
        order: 2;
    }

    .cta-section {
        order: 1;
    }

    .cta-text {
        text-align: center;
        font-size: 20px;
    }

    .download-btn {
        padding: 10px 20px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .banner {
        min-height: 180px;
        padding: 30px 0;
    }

    .size-label {
        font-size: 20px;
    }

    .cta-text {
        font-size: 16px;
    }

    .download-btn {
        padding: 8px 16px;
        font-size: 16px;
    }

    .download-btn svg {
        width: 16px;
        height: 16px;
    }
}