.banner {
    position: relative;
    width: 100%;
    height: 430px;
    overflow: hidden;
}
.banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.banner .mask{
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
}
.banner .mask .w {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.banner .mask h2 {
    color: #fff;
    font-size: 36px;
    font-weight: normal;
}
.banner .mask h4 {
    margin-top: 20px;
    font-size: 30px;
    color: #fff;
}


/* 历史 */
.historynav {
    padding: 20px 0;
    height: auto;
    border-bottom: 1px solid #F1F2F4;   
}
.historynav .w {
    height: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}
.historynav a {
    font-size: 16px;
    color: #666666;
    line-height: 30px;
}
.historynav  span {
    margin: 0 5px;  
}
.historynav a span {
    font-size: 18px;
}
.historynav a:hover {
    color: #C20A0A;
}

.technologyTit {
    font-size: 40px;
    color: #1A1A1A;
    font-weight: bold;
    text-align: center;
    padding: 60px 0;
}

.technologyBg {
    background-color: #F1F2F4;
    height: auto;
    margin-bottom: 50px;
    width: 100%;
    padding: 35px  100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.technologyBg .left {
    flex: 1;
    margin-right: 200px;
}
.technologyBg .left h4 {
    font-size: 32px;
    font-weight: bold;
    color: #1A1A1A;
}
.technologyBg .pic {
    width: 480px;
    height: 370px;
}
.technologyBg .pic img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.techContent {
    margin-top: 40px;
}
.techContent li {
    display: flex;
    font-size: 18px;
    color: #1A1A1A;
    margin-bottom: 30px;
    align-items: center;
    line-height: 24px;
}
.techContent li img {
    width: 15px;
    height: 12px;
    margin-right: 10px;
}

.technologyBg:nth-child(2n){
    flex-direction: row-reverse;
}
.technologyBg:nth-child(2n) .left {
    margin-left: 200px;
    margin-right: 0;
}
.section {
    padding-top: 60px;
    padding-bottom: 100px;
}
.section h2 {
    font-size: 40px;
    font-weight: bold;
    color: #1A1A1A;
    text-align: center;
    margin-bottom: 60px;
}
.section .main {
    display: flex;
    justify-content: space-between;
    width: 100%;
    height: 367px;
    background-color: #F1F2F4;
    overflow: hidden;
}
.section .main .pic {
    width: 50%;
    height: 100%;
}
.section .main .pic img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.section .main .right {
    width: 50%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 50px;
}
.section .main .right h4 {
    font-size: 30px;
    line-height: 30px;
    color: #CA101A;
    margin-bottom: 35px;
}
.section .main .right p {
    color: #4C4C4C;
    font-size: 20px;
    line-height: 36px;
}
.cpsection {
    padding: 75px 0;
    background-image: url(../images/spaobg.png);
    background-size: cover;
    background-position: center;
}
.cpsection h2 {
    text-align: center;
    font-size: 40px;
    color: #fff;
    margin-bottom: 100px;
    font-weight: bold;
}
.cpsection .spaomain {
    display: flex;
    flex-wrap: wrap;
}
.cpsection .spaomain .spaoitem {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: calc((100% - 90px)/4);
    height: 400px;
    background-color: #fff;
    border-radius: 200px;
    padding: 50px 30px;
    padding-bottom: 0;
    margin-right: 30px;
    overflow: hidden;
}
.cpsection .spaomain .spaoitem:last-child{
    margin-right: 0;
}
.cpsection .spaomain .spaoitem  h4 {
    width: 75px;
    height: 75px;
    border-radius: 50%;
    border: 2px solid #000;
    line-height: 70px;
    font-size: 40px;
    text-align: center;
    margin-bottom: 20px;
}
.cpsection .spaomain .spaoitem h6 {
    height: 46px;
    background-color: #C20A0A;
    border-radius: 23px;
    max-width: 100%;
    padding: 0 15px;
    line-height: 46px;
    color: #fff;
    font-size: 24px;
    margin-bottom: 25px;
}  
.cpsection .spaomain .spaoitem p {
    text-align: center;
    font-size: 20px;
    line-height: 30px;
    color: #666666;
} 

.jssmsection {
    padding-top: 80px;
    padding-bottom: 75px;
}
.jssmsection h2 {
    font-size: 40px;
    font-weight: bold;
    color: #1A1A1A;
    text-align: center;
}
.jssmsection .jssmmain {
    margin-top: 64px;
    display: flex;
    justify-content: space-between;
}
.jssmsection .jssmmain .jssmitem {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: calc((100% - 40px)/2);
    height: 250px;
    background-color: #fff;
    box-shadow: 0px 0px 24px 0px rgba(228,228,228,0.9);
    padding-left: 50px;
    padding-right: 50px;
    overflow: hidden;
}
.jssmsection .jssmmain .jssmitem .cont {
    flex: 1;
}
.jssmsection .jssmmain .jssmitem .cont h4 {
    font-size: 26px;
    font-weight: bold;
    color: #1A1A1A;
    line-height: 44px;
}
.jssmsection .jssmmain .jssmitem .cont p {
    font-size: 20px;
    color: #4D4D4D;
    line-height: 30px;
}

.jssmsection .jssmmain .jssmitem .pic {
    margin-right: 35px;
    width: 80px;
    height: 80px;
    overflow: hidden;
}
.lbmsaMain {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}
.lbmsaitem {
    width: calc((100% - 120px)/5);
    height: 400px;
    background-color: #fff;
    border-radius: 200px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 30px;
    margin-right: 30px;
    margin-bottom: 15px;
}
.lbmsaitem:nth-child(5n){

    margin-right: 0;
}

.lbmsaitem h4 {
    border: 2px solid #000;
    font-size: 40px;
    width: 75px;
    height: 75px;
    border-radius: 50%;
    text-align: center;
    line-height: 75px;
    margin-top: 20px;
    margin-bottom: 20px;
}
.lbmsaitem h6 {
    padding: 0 15px;
    height: 46px;
    background-color: #C20A0A;
    border-radius: 23px;
    max-width: 100%;
    line-height: 46px;
    font-size: 24px;
    color: #fff;
    margin-bottom: 20px;
    text-align: center;
    overflow: hidden;
}
.lbmsaitem p {
    font-size: 20px;
    color: #666666;
    line-height: 30px;
    text-align: center;
}
.tkts {
    padding-top: 85px;
    padding-bottom: 100px;
}
.tkts h2 {
    text-align: center;
    font-size: 40px;
    font-weight: bold;
    margin-bottom: 50px;
}
.tknav{
    position: relative;
    width: 100%;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-around;
    margin-bottom: 70px;
    overflow-x: auto;
}
.tknav::-webkit-scrollbar{
    width: 0;
    height: 0;
}

.tknav::before{
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 1px;
    background-color: #AEAEAE;
    z-index: -1;
}
.tknav a {
    height: 65px;
    width: 200px;
    border: 1px solid #9C9C9C;
    border-radius: 32.5px;
    line-height: 65px;
    text-align: center;
    background-color: #fff;
    font-size: 26px;
    font-weight: bold;
    color: #1A1A1A;
    flex-shrink: 0;
    margin-right: 10px;
}
.tknav a.active {
    border-color: #C20A0A;
    color: #C20A0A;
}
.tkswiper {
    position: relative;
    overflow: hidden;
}

.tkswiper .swiper-slide {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}
.tkswiper .tkitem {
    width: calc(100%/4);
    height: auto;
    padding: 0 30px;
    padding-bottom: 30px;
}
.tkswiper .tkitem .pic {
    width: 124px;
    height: 124px;
    overflow: hidden;
    margin: 0 auto;
}
.tkswiper .tkitem .pic  img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tkswiper .tkitem h4 {
    margin-top: 20px;
    font-size: 26px;
    line-height: 44px;
    text-align: center;
}
.tkswiper .tkitem p {
    line-height: 44px;
    font-size: 20px;
    color: #666666;
    text-align: center;
}


@media only screen and (max-width: 768px) {
    .banner {height: 250px;}
    .banner .mask h2 {font-size: 18px;}
    .banner .mask h4 {font-size: 15px;margin-top: 10px;}
    .historynav {padding: 15px 0;}
    .technologyTit {font-size: 20px; padding: 30px 0;}

    .technologyBg {flex-direction: column;padding: 30px 15px;margin-bottom: 15px;}
    .technologyBg .left {margin-right: 0;}
    .technologyBg .left h4 {font-size: 24px;}
    .techContent {margin-top: 20px;}
    .techContent li {margin-bottom: 15px;font-size: 14px;}
    .technologyBg .pic {width: 100%;height: 100%;margin-top: 20px;}
    .technologyBg:nth-child(2n) {flex-direction: column;}
    .technologyBg:nth-child(2n) .left {margin-left: 0;}

    .section {
        padding-top: 30px;
        padding-bottom: 50px;
    }
    .section h2 {
        font-size: 20px;
        margin-bottom: 30px;
    }
    .section .main {
        flex-direction: column;
        height: auto;
    }
    .section .main .pic {
        width: 100%;
    }
    .section .main .right {
        width: 100%;
        padding: 15px;
    }
    .section .main .right h4 {
        font-size: 15px;
        margin-bottom: 15px;
    }
    .section .main .right p {
        font-size: 12px;
    }

    .cpsection {
        padding: 30px 0;
    }
    .cpsection h2 {
        font-size: 20px;
        margin-bottom: 50px;
    }
    .cpsection .spaomain .spaoitem {
        width: calc((100% - 15px)/2);
        padding: 25px 15px;
        margin-right: 15px;
        margin-bottom: 15px;
        height: 250px;
        border-radius: 100px;
    }
    .cpsection .spaomain .spaoitem h4 
    {
        width: 40px;
        height: 40px;
        line-height: 40px;
        font-size: 20px;
        border: 1px solid #000;
        margin-bottom: 10px;

    }
    .cpsection .spaomain .spaoitem h6 {
        font-size: 12px;
        margin-bottom: 12.5px;
        height: 24px;
        line-height: 24px;
    }
    .cpsection .spaomain .spaoitem p {
        font-size: 12px;
        line-height: 24px;
    }

    .cpsection .spaomain .spaoitem:nth-child(2n){
        margin-right: 0;
    }

    .jssmsection {
        padding-top: 40px;
        padding-bottom: 35px;
    }
    .jssmsection .jssmmain {
        margin-top: 32px;
        flex-direction: column;
    }
    .jssmsection .jssmmain .jssmitem {
        width: 100%;
        padding:15px;
        margin-bottom: 15px;
        height: auto;
    }
    .jssmsection .jssmmain .jssmitem .pic {
        margin-right: 15px;
        height: 40px;
        width: 40px;
    }
    .jssmsection .jssmmain .jssmitem .cont h4 {
        font-size: 16px;
    }
    .jssmsection .jssmmain .jssmitem .cont p {
        font-size: 12px;
        line-height: 24px;
    }

    .lbmsaitem {
        width: calc((100% - 15px)/2);
        padding: 15px;
        margin-right: 15px;
        height: 300px;
    }
    .lbmsaitem:nth-child(2n) {
        margin-right: 0;
    }
    .lbmsaitem h4 {
        width: 40px;
        height: 40px;
        border-width: 1px;
        font-size: 20px;
        line-height: 40px;
        margin: 15px 0;
    }
    .lbmsaitem h6 {
        height: 24px;
        line-height: 24px;
        font-size: 12px;
        margin-bottom: 15px;
    }
    .lbmsaitem p {
        font-size: 12px;
        line-height: 24px;
    }   

    .tkts {
        padding-top: 40px;
        padding-bottom: 50px;
    }
    .tkts h2 {
        font-size: 20px;
        margin-bottom: 25px;
    }
    .tknav {
        height: 35px;
        margin-bottom: 35px;
    }
    .tknav a {
        width: calc((100% - 30px)/4);
        height: 32.5px;
        font-size: 16px;
        line-height: 32.5px;
        border-radius: 15px;
    }
    .tkswiper .tkitem {
        width: calc(100%/2);
        padding: 0px;
        height: auto;
        padding-bottom: 15px;
    }
    .tkswiper .tkitem .pic {
        width: 62px;
        height: 62px;
    }
    .tkswiper .tkitem h4 {
        font-size: 16px;
        margin-top: 10px;
    }
    .tkswiper .tkitem p {
        font-size: 12px;
        line-height: 24px;
    }


}
@media only screen and (min-width: 768px) {
 
    .lbmsaitem {
        width: calc((100% - 90px)/3);
    }
    .lbmsaitem:nth-child(3n) {
        margin-right: 0;
    }

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

    .lbmsaitem {
        width: calc((100% - 120px)/5);
    }
    .lbmsaitem:nth-child(3n) {
        margin-right: 30px;
    }
     .lbmsaitem:nth-child(5n) {
        margin-right: 0;
    }


}