.research-center {
    background-color: #FAFAFA;
}

.research-center .box1 {
    padding: 100px 0 120px;
}
.research-center .box5 .title,
.research-center .box1 .title {
    font-weight: 300;
    color: #1B74E6;
    line-height: 1;
    text-align: center;
}

.research-center .box1 .box-c {
    margin-top: 60px;
}

.research-center .box1 .box-c .list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 19px;
}

.research-center .box1 .box-c .list li {
    background: #FFFFFF;
    border-radius: 10px;
    text-align: center;
    padding: 74px 23px 52px;
}

.research-center .box1 .box-c .list li .number {
    font-weight: bold;
    font-size: 18px;
    color: #1B74E6;
    line-height: 1;
}

.research-center .box1 .box-c .list li .number .counter {
    font-family: Rany-Bold;
    color: #1B74E6;
    line-height: 1;
}

.research-center .box1 .box-c .list li .number sup {
    vertical-align: top;
    font-family: Rany;
}

.research-center .box1 .box-c .list li .text {
    font-family: Microsoft YaHei;
    font-weight: 300;
    font-size: 18px;
    color: #333333;
    line-height: 30px;
    margin-top: 5px;
}

.hotProduct {
    background: url(../img/research-center-2.jpg);
    background-size: cover;
    padding-bottom: 249px;
}

.research-center .box3 {
    padding: 100px 0 136px;
}

.research-center .box3 .title {
    font-weight: 300;
    color: #1B74E6;
    line-height: 1;
    text-align: center;
    margin-bottom: 1em;
}

.research-center .box3 .subTitle {
    font-weight: 300;
    color: #333333;
    line-height: 1;
    text-align: center;
}

.research-center .box3 .des {
    margin-top: 18px;
    font-weight: 300;
    font-size: 18px;
    color: #666666;
    line-height: 30px;
    text-align: center;
}

.research-center .box3 .box-c {
    margin-top: 38px;
}

.research-center .box3 .box-c .list {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 65px 30px;
}

.research-center .box3 .box-c .list li .picCover {
    padding-top: 110.54%;
}

.research-center .box3 .box-c .list li .picCover img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    box-shadow: 5px 9px 20px 0px rgba(177, 177, 177, 0.3);
}

.research-center .box3 .box-c .list li .text-title {
    font-weight: 400;
    font-size: 18px;
    color: #333333;
    line-height: 30px;
    text-align: center;
    margin-top: 4px;
    transition: all .6s;
}

.research-center .box3 .box-c .list li:hover .text-title {
    color: #1B74E6;
}

.research-center .box4 {
    padding: 100px 0 175px;
    text-align: center;
}
.research-center .box6 .title,
.research-center .box4 .title {
    font-weight: 300;
    color: #1B74E6;
    line-height: 1;
}

.research-center .box4 .subTitle {
    font-family: Microsoft YaHei;
    font-weight: 300;
    /* font-size: 48px; */
    color: #333333;
    line-height: 1.5;
    margin-top: 1em;
}

.research-center .box4 .subTitle strong {
    font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
    color: #1B74E6;
}

.research-center .box4 .des {
    font-family: Microsoft YaHei;
    font-weight: 300;
    font-size: 18px;
    color: #333333;
    line-height: 30px;
    margin-top: 19px;
}

.research-center .box4 .box-t {
    margin-top: 53px;
}
.research-center .box4 .box-t .swiper{
    overflow: visible;
}
.research-center .box4 .box-t .swiper-slide .picCover {
    padding-top: 42.57%;
}

.research-center .box4 .box-t .swiper-slide .picCover .pic {
    border-radius: 10px;
}

.research-center .box4 .box-t .swiper-slide:not(last-child){
    margin-right: 40px;
}

.research-center .box4 .box-c {
    margin-top: 88px;
}

.research-center .box4 .box-c .list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.research-center .box4 .box-c .list li {
    position: relative;
    background: #F1F1F1;
    border-radius: 10px;
    padding: 57px 20px 77px;
}

.research-center .box4 .box-c .list li .liBox {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    padding: 70px 20px;
    background: #1B74E6;
    border-radius: 10px;
    opacity: 0;
    transition: all .6s;
    pointer-events: none;
}

.research-center .box4 .box-c .list li:hover .liBox {
    opacity: 1;
    pointer-events: inherit;
}

.research-center .box4 .box-c .list li .text-title {
    font-weight: 300;
    color: #FAFAFA;
    line-height: 1;
}

.research-center .box4 .box-c .list li .text-des {
    font-family: Microsoft YaHei;
    font-weight: 300;
    font-size: 18px;
    color: #FAFAFA;
    line-height: 30px;
    margin-top: 48px;
}

.research-center .box4 .box-c .list li .icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.research-center .box4 .box-c .list li .icon img {
    max-width: 100%;
    max-height: 100%;
}

.research-center .box4 .box-c .list li .zh {
    font-family: Microsoft YaHei;
    font-weight: 300;
    color: #1B74E6;
    margin-top: 34px;
    line-height: 1;
}

.research-center .box4 .box-c .list li .en {
    font-family: Rany-Bold;
    color: #1B74E6;
    line-height: 1;
    margin-top: 15px;
}
.research-center .box5{
    padding-bottom: 188px;
}
.research-center .box5 .box-c{
    margin-top: 48px;
}
.research-center .box5 .box-c .list{
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 28px;
}
.research-center .box5 .box-c .list li .picCover{
    padding-top: 87.57%;
}
.research-center .box5 .box-c .list li .pic{
    border-radius: 10px 10px 0 0;
}
.research-center .box5 .box-c .list li .text-box{
    position: relative;
    background: #1B74E6;
    border-radius: 10px;
    padding: 20px;
    font-family: Microsoft YaHei;
    font-weight: 300;
    font-size: 24px;
    color: #FAFAFA;
    line-height: 30px;
    text-align: center;
    /* margin-top: -20px; */
    z-index: 3;
}
.research-center .box6{
    padding: 100px 0 140px;
    text-align: center;
}
.research-center .box6 .subTitle{
    font-weight: 300;
    color: #333333;
    line-height: 1.25;
    margin-top: 1em;
}
.research-center .box6 .subTitle span{
    font-family: Arial, Helvetica, sans-serif;
    font-weight: bold;
    color: #1B74E6;
}
.research-center .box6 .img{
    margin-top: 42px;
}
.research-center .box6 .img .pic{
    border-radius: 10px;
}
.research-center .box6 .text-box{
    position: relative;
    background: #1B74E6;
    border-radius: 5px;
    font-weight: bold;
    font-size: 18px;
    color: #FAFAFA;
    padding: 39px 48px;
    line-height: 2;
    margin: -90px auto auto 50px;
    width: 880px;
    max-width: 100%;
    text-align: left;
    z-index: 4;
}
@media (max-width:1440px) {
    .research-center .box5 .box-c .list li .text-box{
        font-size: 22px;
    }
}
@media (max-width:1199px) {
    .research-center .box5 .box-c .list li .text-box{
        font-size: 20px;
    }
    .research-center .box4{
        padding: 80px 0;
    }
    .research-center .box5{
        padding-bottom: 80px;
    }
    .research-center .box4 .box-c{
        margin-top: 80px;
    }
    .research-center .box5 .box-c,
    .research-center .box4 .box-t{
        margin-top: 45px;
    }
    .research-center .box5 .box-c .list li .text-box{
        padding: 13px;
    }
    .research-center .box3{
        padding: 80px 0;
    }
    .research-center .box1{
        padding: 80px 0;
    }
    .research-center .box1 .box-c{
        margin-top: 45px;
    }
    .research-center .box1 .box-c .list li .text{
        font-size: 16px;
    }
    .research-center .box1 .box-c .list li{
        padding: 40px 20px;
    }
    .hotProduct{
        background: none;
        padding-top: 0 !important;
    }
    .research-center .box6{
        padding: 80px 0;
    }
    .research-center .box6 .text-box{
        margin: -60px auto 0;
        max-width: 90%;
    }
}
@media (max-width:1024px) {
    .research-center .box6 .text-box{
        padding: 30px;
        font-size: 16px;
    }
    .research-center .box6{
        padding: 70px 0;
    }
    .research-center .box6 .img{
        margin-top: 40px;
    }
    .research-center .box1 .box-c .list{
        grid-template-columns: repeat(2,1fr);
    }
    .research-center .box1 .box-c .list li{
        padding: 30px 20px;
    }
    .research-center .box1{
        padding: 70px 0;
    }
    .research-center .box1 .box-c{
        margin-top: 40px;
    }
    .research-center .box3{
        padding: 70px 0;
    }
    .research-center .box3 .des{
        margin-top: 10px;
    }
    .research-center .box3 .box-c .list{
        grid-template-columns: repeat(4,1fr);
        gap: 40px 20px;
    }
    .research-center .box3 .box-c .list li .text-title{
        font-size: 16px;
        line-height: 24px;
        margin-top: 10px;
    }
    .research-center .box5 .box-c .list{
        grid-template-columns: repeat(3,1fr);
    }
    .research-center .box5 .box-c .list li .text-box{
        font-size: 18px;
    }
    .research-center .box4 .box-c .list li .text-des{
        margin-top: 25px;
    }
    .research-center .box4 .box-c .list li .text-title,
    .research-center .box4 .box-c .list li .en,
    .research-center .box4 .box-c .list li .zh{
        font-size: 24px;
    }
    .research-center .box4 .box-c .list li .en{
        margin-top: 10px;
    }
    .research-center .box4 .box-c .list li .icon{
        width: 40px;
        height: 40px;
    }
    .research-center .box4 .box-c .list li .liBox,
    .research-center .box4 .box-c .list li{
        padding: 40px 20px;
    }
    .research-center .box4 .box-c .list li .liBox{
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    .research-center .box4 .box-c .list li .text-des{
        margin-top: 16px;
        line-height: 24px;
        font-size: 16px;
    }
    .research-center .box4{
        padding: 70px 0;
    }
    .research-center .box5{
        padding-bottom: 70px;
    }
    .research-center .box4 .box-c{
        margin-top: 70px;
    }
    .research-center .box5 .box-c,
    .research-center .box4 .box-t{
        margin-top: 40px;
    }
}
@media (max-width: 768px) {
    .research-center .box6 .text-box{
        padding: 20px;
    }
    .research-center .box6{
        padding: 60px 0;
    }
    .research-center .box6 .img{
        margin-top: 30px;
    }
    .research-center .box1{
        padding: 60px 0;
    }
    .research-center .box1 .box-c{
        margin-top: 30px;
    }
    .research-center .box3{
        padding: 60px 0;
    }
    .research-center .box3 .box-c{
        margin-top: 30px;
    }
    .research-center .box5 .box-c .list li .text-box{
        padding: 10px;
        font-size: 16px;
    }
    .research-center .box5 .box-c .list{
        grid-template-columns: repeat(2,1fr);
    }
    .research-center .box4 .box-c .list li .liBox, .research-center .box4 .box-c .list li{
        font-size: 22px;
    }
    .research-center .box4{
        padding: 60px 0;
    }
    .research-center .box5{
        padding-bottom: 60px;
    }
    .research-center .box4 .box-c{
        margin-top: 60px;
    }
    .research-center .box5 .box-c,
    .research-center .box4 .box-t{
        margin-top: 30px;
    }
    .research-center .box4 .des{
        font-size: 16px;
    }
    .research-center .box4 .subTitle{
        font-size: 22px;
    }
    .research-center .box4 .box-c .list{
        grid-template-columns: repeat(2,1fr);
    }
    .research-center .box4 .box-c .list li .text-title, .research-center .box4 .box-c .list li .en, .research-center .box4 .box-c .list li .zh{
        font-size: 22px;
    }
    .research-center .box3 .des{
        font-size: 16px;
        line-height: 24px;
    }
    .research-center .box3 .box-c .list{
        grid-template-columns: repeat(3,1fr);
        gap: 30px 15px;
    }
    .research-center .box3 .box-c .list li .text-title{
        font-size: 14px;
        line-height: 20px;
    }
}
@media (max-width: 500px) {
    .research-center .box6 .subTitle{
        font-size: 20px;
        margin-top: .6em;
    }
    .research-center .box6 .text-box{
        font-size: 14px;
        margin-top: 20px;
        max-width: 100%;
    }
    .research-center .box6{
        padding: 50px 0;
    }
    .research-center .box6 .img{
        margin-top: 25px;
    }
    .research-center .box1 .box-c .list{
        gap: 10px;
    }
    .research-center .box1 .box-c .list li .number{
        font-size: 16px;
    }
    .research-center .box1 .box-c .list li .text{
        font-size: 14px;
        line-height: 20px;
    }
    .research-center .box1{
        padding: 50px 0;
    }
    .research-center .box1 .box-c{
        margin-top: 25px;
    }
    .research-center .box3 .title{
        margin-bottom: .6em;
    }
    .research-center .box3 .box-c .list{
        grid-template-columns: repeat(2,1fr);
    }
    .research-center .box3{
        padding: 50px 0;
    }
    .research-center .box3 .box-c{
        margin-top: 25px;
    }
    .research-center .box5 .box-c .list{
        gap: 18px;
    }
    .research-center .box4 .box-c .list li .icon{
        width: 30px;
        height: 30px;
    }
    .research-center .box4 .box-c .list li .en{
        margin-top: 4px;
    }
    .research-center .box4 .box-c .list li .zh{
        margin-top: 17px;
    }
    .research-center .box4 .box-c .list{
        grid-template-columns: repeat(1,1fr);
    }
    .research-center .box4 .box-c .list li .text-title, .research-center .box4 .box-c .list li .en, .research-center .box4 .box-c .list li .zh{
        font-size: 20px;
    }
    .research-center .box4 .box-c .list li .liBox, .research-center .box4 .box-c .list li{
        font-size: 20px;
    }
    .research-center .box4 .subTitle{
        font-size: 20px;
    }
    .research-center .box4{
        padding: 50px 0;
    }
    .research-center .box5{
        padding-bottom: 50px;
    }
    .research-center .box4 .box-c{
        margin-top: 50px;
    }
    .research-center .box5 .box-c,
    .research-center .box4 .box-t{
        margin-top: 25px;
    }
}