.wrap .banner {
    width: 100%;
    height: 700px;
}
.banner-container {
    width: 100%;
    height: 700px;
    position: relative;
    overflow: hidden;
}
.swiper-pagination-bullet{
    width: 15px!important;
    height: 15px!important;
}
.banner-container .swiper-slide {
   background-repeat: no-repeat;
   background-position: center center;
   background-size: cover;
}
.banner-container .swiper-pagination-bullet-active {
    background: #d92219!important;
}

@media screen and (max-width: 980px) {
    .wrap .banner {
        height: 350px;
    }
    .banner-container {
        height: 350px;
    }
    .banner-container .swiper-slide {
        height: 350px;
        background-repeat: no-repeat;
        background-position: center center;
        background-size: cover;
    }
}


.wrap>.solution {
    padding: 80px 0 70px 0;
}

.solution h2 {
    font-size: 36px;
    color: #222;
    font-weight: 600;
    margin: 0;
}

.solution .title-en {
    color: #979797;
    font-size: 16px;
    padding: 0;
    margin-bottom: 60px;
    text-transform: uppercase;
}

.solution .short-border {
    border-bottom: 3px solid #d92219;
    width: 36px;
    margin: 0 auto;
    margin-top: 16px;
    margin-bottom: 12px;
}
   
.solution .solution-itm {
    display: flex;
    gap: 40px;
}

    .solution .solution-itm .itm {
        text-align: center;
        display: inline-block; 
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        /* border: 1px solid #fff; */
    }

.solution .solution-itm .itm:hover {
    /* border: 1px solid #d92219; */
}

/* .solution .solution-itm .itm:hover {
    -webkit-animation-duration: 1.75s;
    animation-duration: 1.75s;
    -webkit-animation-name: pulse;
    animation-name: pulse
} */

.solution .solution-itm .itm:hover .pic {
    -webkit-animation-duration: 1.75s;
    animation-duration: 1.75s;
    -webkit-animation-name: flip;
    animation-name: flip
}

.solution .solution-itm img {
    text-align: center;
}

.solution .solution-itm .itm .h3 {
    font-size: 22px;
    font-weight: bold;
    color: #222;
    margin: 40px 0 15px 0;
}

    .solution .solution-itm .itm .hui {
        color: #979797;
        font-size: 14px;
        line-height: 1.3;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
    }

.solution .more a {
    border: 1px solid #d92219;
    border-radius: 6px;
    text-align: center;
    width: 240px;
    height: 45px;
    line-height: 45px;
    font-size: 16px;
    color: #d92219;
    margin: 0 auto;
    margin-top: 60px;
    display: block;
}

    .solution .more a:hover {
        color: #fff;
        border-color: #d92219;
        background-color: #d92219;
    }

.cases_bg {
    background-color: #f7f7f7;
}

.wrap>.cases {
    padding: 70px 0 100px 0;
}

.cases h2 {
    font-size: 36px;
    color: #222;
    font-weight: 600;
    margin: 0;
}

.cases .title-en {
    color: #979797;
    font-size: 16px;
    padding: 0;
    margin-bottom: 60px;
    text-transform: uppercase;
}

.cases .short-border {
    border-bottom: 3px solid #d92219;
    width: 36px;
    margin: 0 auto;
    margin-top: 16px;
    margin-bottom: 12px;
}

.cases .cases-itm {
    position: relative;
    width: 1000px;
}

.cases .cases-itm .pic {
    width: 100%;
    height: 550px;
    background-size: contain;
}

.cases .cases-itm .bottom {
    position: absolute;
    left: 40px;
    bottom: 20px;
    height: 300px;
    width: 300px;
    background-color: rgba(247, 247, 247, 0.9);
    padding: 50px 40px;
    border-radius: 4px;
    /* display: none; */
    transition: 1500ms;
    opacity: 0;
    transform: scale(0.4);
}

.cases .cases-itm .bottom .intro {
    text-align: left;
    height: calc(100% - 70px);
    margin-bottom: 20px;
}

.cases .cases-itm .bottom .intro .title {
    font-size: 24px;
    font-weight: 550px;
}

.cases .cases-itm .bottom .intro .hui {
    font-size: 16px;
    line-height: 1.5;
    margin-top: 20px;
}

.cases .cases-itm .bottom .more {
    width: 50px;
    border: 1px solid #8b8b8b;
    border-radius: 2px;
    height: 50px;
    text-align: center;
    justify-content: center;
    margin-top: 20px;
    font-size: 36px;
    color: #8b8b8b;
    cursor: pointer;
}

.cases .cases-itm .bottom .more::after {
    width: 10px;
    height: 10px;
    display: block;
    content: '';
    border-left: 2px #8b8b8b solid;
    border-top: 2px #8b8b8b solid;
    transform: rotate(135deg);
    margin: 18px 0 0 16px;
}

.cases .cases-itm .bottom .more:hover {
    border: 1px solid #d92219;
}

.cases .cases-itm .bottom .more:hover::after {
    border-left: 2px #d92219 solid;
    border-top: 2px #d92219 solid;
}

.swiper-container {
    width: 100%;
    height: 550px;
    display: flex;
}

.swiper-container .swiper-slide {
    font-size: 18px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
    width: 1000px !important;
}

.swiper-container .swiper-slide-active .cases-itm .bottom {
    /* display: inline-block; */
    opacity: 1;
    transform: scale(1);
}

.swiper-container .swiper-button-next,
.swiper-container .swiper-button-prev {
    position: absolute;
    top: 50%;
    margin-top: calc(-1 * 44/ 2);
    z-index: 10;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.swiper-container .swiper-button-next,
.swiper-container .swiper-button-prev {
    background-color: rgba(51, 51, 51, 0.7);
    width: 108px !important;
    height: 74px !important;
    border-radius: 8px;
}

.swiper-container .swiper-button-prev {
    left: 50%;
    margin-left: -568px;
}

.swiper-container .swiper-button-next {
    right: 50%;
    margin-right: -568px;
}

.swiper-container .swiper-button-next:hover,
.swiper-container .swiper-button-prev:hover {
    background-color: rgba(217, 34, 25, 0.7);
}

.swiper-container .swiper-button-next:after,
.swiper-container .swiper-button-prev:after {
    font-size: 0;
    text-transform: none !important;
    letter-spacing: 0;
    text-transform: none;
    font-variant: initial;
    line-height: 1;
    display: none;
}

.swiper-container .swiper-button-prev:after,
.swiper-container.swiper-button-next:after {
    content: ''
}

.swiper-container .swiper-button-next .arrow {
    display: block;
    text-align: center;
}


.wrap>.about {
    padding: 70px 0 100px 0;
}

.about h2 {
    font-size: 36px;
    color: #222;
    font-weight: 600;
    margin: 0;
}

.about .title-en {
    color: #979797;
    font-size: 16px;
    padding: 0;
    margin-bottom: 55px;
    text-transform: uppercase;
}

.about .short-border {
    border-bottom: 3px solid #d92219;
    width: 36px;
    margin: 0 auto;
    margin-top: 16px;
    margin-bottom: 12px;
}

.about .about-itm {
    position: relative;
    height: 420px;
}

.about .about-itm .pic {
    width: 820px;
    height: 420px;
    text-align: center;
    position: absolute;
    right: 0;
    top: 0;
    z-index: 1;
}

.about .about-itm .pic img {
    width: 100%;
    height: 100%;
}

.about .about-itm .intro {
    width: 800px;
    position: absolute;
    left: 0;
    top: 50px;
    z-index: 2;
    background: #fbfbfb;
    height: 235px;
    padding: 50px 35px 35px 35px;
}

.about .about-itm .intro .title {
    font-size: 24px;
}

.about .about-itm .intro .l22 {
    font-size: 16px;
    margin: 35px 0;
    line-height: 1.38;
    height: calc(100% - 150px);
    overflow: hidden;
}

.about .about-itm .intro .more a {
    border: 1px solid #d92219;
    border-radius: 6px;
    text-align: center;
    width: 180px;
    height: 45px;
    line-height: 45px;
    font-size: 16px;
    color: #d92219;
    display: block;
}

    .about .about-itm .intro .more a:hover {
        color: #fff;
        border-color: #d92219;
        background-color: #d92219;
    }

.advantage—bg {
    background: url(../images/r4_c1.png) no-repeat center top;
}

.wrap>.advantage {
    padding: 70px 0 100px 0;
}

.advantage h2 {
    font-size: 36px;
    font-weight: 600;
    margin: 0;
    color: #fff;
}

.advantage .title-en {
    font-size: 16px;
    padding: 0;
    margin-bottom: 55px;
    text-transform: uppercase;
    color: #fff;
}

.advantage .short-border {
    border-bottom: 3px solid #d92219;
    width: 36px;
    margin: 0 auto;
    margin-top: 16px;
    margin-bottom: 12px;
}

.advantage .advantage-itm {
    position: relative;
}

.advantage .advantage-itm .itm {
    flex: 1;
    text-align: center;
    background: #fff;
    padding: 50px 35px;
    border-radius: 4px;
}
.advantage .advantage-itm .itm .pic {
    text-align: center;
}
.advantage .advantage-itm .itm:hover .pic {
    -webkit-animation-duration: 1.75s;
    animation-duration: 1.75s;
    -webkit-animation-name: swing;
    animation-name: swing
}


.advantage .advantage-itm .itm .h3 {
    font-size: 22px;
    font-weight: bold;
    color: #222;
    margin: 20px 0 15px 0;
}

.advantage .advantage-itm .itm .hui {
    color: #979797;
    font-size: 16px;
    line-height: 1.3;
}

.swiper-advantage {
    width: 1400px;
    height: 320px;
    display: flex;
    overflow: hidden;
}

.swiper-advantage .swiper-slide {
    border-radius: 4px;
}

.advantage-itm .advantage-button-next,
.advantage-itm .advantage-button-prev {
    position: absolute;
    top: 50%;
    margin-top: -30px;
    z-index: 10;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-itm .advantage-button-next,
.advantage-itm .advantage-button-prev {
    background-color: rgba(255, 255, 255, 0.3);
    width: 60px !important;
    height: 60px !important;
    border-radius: 50%;
}

.advantage-itm .advantage-button-prev {
    left: 50%;
    margin-left: -800px;
}

.advantage-itm .advantage-button-next {
    right: 50%;
    margin-right: -800px;
}

.advantage-itm .advantage-button-prev::after {
    width: 10px;
    height: 10px;
    display: block;
    content: '';
    border-left: 2px #fff solid;
    border-top: 2px #fff solid;
    transform: rotate(-45deg);
    margin: 3px 0 0 4px;
}

.advantage-itm .advantage-button-next::after {
    width: 10px;
    height: 10px;
    display: block;
    content: '';
    border-left: 2px #fff solid;
    border-top: 2px #fff solid;
    transform: rotate(135deg);
    margin: 3px 0 0 -4px;
}

.advantage-itm .advantage-button-next:hover,
.advantage-itm .advantage-button-prev:hover {
    background-color: rgba(217, 34, 25, 0.3);
}

.advantage-itm .advantage-button-next .arrow {
    display: block;
    text-align: center;
}

.wrap>.news {
    padding: 70px 0 90px 0;
}

.news h2 {
    font-size: 36px;
    color: #222;
    font-weight: 600;
    margin: 0;
}

.news .title-en {
    font-size: 16px;
    padding: 0;
    margin-bottom: 55px;
    text-transform: uppercase;
    color: #979797;
}

.news .short-border {
    border-bottom: 3px solid #d92219;
    width: 36px;
    margin: 0 auto;
    margin-top: 16px;
    margin-bottom: 12px;
}

.news .news-itm {
    display: flex;
}

.news .news-itm .left {
    width: 690px;
    height: 470px;
    position: relative;
}

.news .news-itm .left .pic img {
    width: 100%;
    height: 100%;
}

.news .news-itm .left .bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 90px;
    background-color: rgba(116, 9, 4, 0.5);
    width: calc(100% - 50px);
    padding: 0 25px;
    display: flex;
}

.news .news-itm .left .bottom .intro {
    width: calc(100% - 60px);
    margin-right: 10px;
    color: #FFF;
}

.news .news-itm .left .bottom .intro .at {
    font-size: 16px;
    padding-bottom: 6px;
    margin-top: 18px;
}

.news .news-itm .left .bottom .intro .title {
    font-size: 20px;
}

.news .news-itm .left .bottom .intro .title a {
    font-size: 20px;
    color: #FFF;
}

.news .news-itm .left .bottom .intro .title a:hover {
    font-size: 20px;
    color: #d92219;
}

.news .news-itm .left .bottom .more {
    width: 50px;
    border: 1px solid #fff;
    border-radius: 2px;
    height: 50px;
    text-align: center;
    justify-content: center;
    margin-top: 20px;
    font-size: 36px;
    color: #fff;
    cursor: pointer;
}

.news .news-itm .left .bottom .more::after {
    width: 10px;
    height: 10px;
    display: block;
    content: '';
    border-left: 2px #fff solid;
    border-top: 2px #fff solid;
    transform: rotate(135deg);
    margin: 18px 0 0 16px;
}

.news .news-itm .left .bottom .more:hover {
    border: 1px solid #d92219;
}

.news .news-itm .left .bottom .more:hover::after {
    border-left: 2px #d92219 solid;
    border-top: 2px #d92219 solid;
}

.news .news-itm .right {
    width: calc(100% - 690px - 40px);
    margin-left: 40px;
    margin-top: 15px;
}

.news .news-itm .right .itm {
    background: #fff;
    padding: 0px 0 40px 0;
    margin-bottom: 40px;
    border-bottom: 1px solid #e7e7e7;
    display: flex;
}

.news .news-itm .right .itm:last-child {
    margin-bottom: 0px;
}

.news .news-itm .right .itm .at {
    width: 80px;
    text-align: right;
    color: #d92219;
}

.news .news-itm .right .itm .at .year {
    font-size: 14px;
    margin-bottom: 10px;
}

.news .news-itm .right .itm .at .month {
    font-size: 28px;
}


.news .news-itm .right .itm .tle {
    width: calc(100% - 80px - 50px);
    margin-left: 40px;
}

    .news .news-itm .right .itm .tle .title {
        margin-bottom: 10px;
        width: 100%;
    }

        .news .news-itm .right .itm .tle .title a {
            color: #222;
            font-size: 20px;
            font-weight: 550;
            width: 100%;
            display: inline-block;
            -webkit-line-clamp: 1;
            line-clamp: 1;
            white-space: nowrap; /* 防止文本换行 */
            overflow: hidden; /* 隐藏超出部分 */
            text-overflow: ellipsis; /* 显示省略号 */
        }

.news .news-itm .right .itm .tle .title a:hover {
    color: #d92219;
}

.news .news-itm .right .itm .tle .hui {
    color: #979797;
    font-size: 16px;
}

@media screen and (min-width: 980px) {
    .solution .solution-itm .itm{
        flex: 1;
    }
}

@media screen and (max-width: 980px) {
    .swiper-pagination-bullet{
        width: 8px;
        height: 8px;
    }
    .wrap>.news {
        padding: 30px 0 20px 0;
    }
    .news h2 {
        font-size: 24px;
    }
    .news .title-en {
        font-size: 14px;
        margin-bottom: 20px;
    }
    .wrap .news .news-itm .left{
        display: none;
    }
    .wrap .news .news-itm .right{
        width: 100%;
        margin-left: 0px;
    }
    .news .news-itm .right .itm .at .year {
        margin-bottom: 4px;
    }
    .news .news-itm .right .itm .tle .title a {
        font-size: 16px;
    }
    
    .news .news-itm .right .itm .tle .hui {
        font-size: 14px;
    }
    
    .wrap>.advantage {
        padding: 30px 0 20px 0;
    }
    .advantage h2 {
        font-size: 24px;
    }
    .advantage .title-en {
        font-size: 14px;
        margin-bottom: 20px;
    }

    .wrap>.cases {
        padding: 40px 0 30px 0;
    }
    .cases h2 {
        font-size: 24px;
    }
    .cases .title-en {
        font-size: 14px;
        margin-bottom: 20px;
    }
    .swiper-container{
        height: 350px;
    }
    .swiper-container .swiper-slide{
        width: 100% !important;
    }
    
    .cases .cases-itm {
        width: 100%;
        height: 350px;
    }
    .cases .cases-itm .pic {
        height: 350px;
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center center;
    }
    .cases .cases-itm .bottom {
        left: 20px;
        width: 30%;
        height: 180px;
        bottom: 40px;
        padding: 20px;
    }
    .cases .cases-itm .bottom .intro .title {
        font-size: 14px;
    }
    .cases .cases-itm .bottom .intro .hui {
        font-size: 12px;
    }
    .cases .cases-itm .bottom .intro .hui {
        -webkit-line-clamp: 2;
        line-clamp: 2;
    }
    .cases .cases-itm .bottom .more {
        width: 36px;
        height: 36px;
        font-size: 32px;
    }
    .cases .cases-itm .bottom .more::after {
        margin: 11px 0 0 9px;
    }

    .wrap>.about {
        padding: 30px 0 20px 0;
    }
    .about h2 {
        font-size: 24px;
    }
    .about .title-en {
        font-size: 14px;
        margin-bottom: 20px;
    }
    .about .about-itm .pic{
        width: 100%;
    }
    .about .about-itm .intro{
        width: calc(94% - 70px);
        background: rgba(255, 255, 255, 0.7);
        margin-left: 2.4%;
    }

    .wrap>.solution {
        padding: 40px 0 30px 0;
    }
    .solution h2 {
        font-size: 24px;
    }
    .solution .title-en {
        font-size: 14px;
        margin-bottom: 20px;
    }
    .solution .solution-itm{
        flex-wrap: wrap;
        gap: 10px;
    }
    .solution .solution-itm .itm{
        width: calc( 100% / 2 - 29px );
        padding: 12px;
    }
    .solution .solution-itm .itm .h3 {
        font-size: 18px;
    }
    .solution .solution-itm .itm .hui {
        width: 90%;
        margin-left: 5%;
        font-size: 12px;
    }

    .swiper-advantage {
        width: 100%;
    }


}