.joinbigbox{
    font-size: 0;
}
.joinbigbox img{
    width: 100%;
}

.tech-container .section-title {
    margin: 0 0 10px 0;
}
.tech-container .main {
    width: 100%;
    padding: 0.6rem 0.3rem;
    box-sizing: border-box;
}
.tech-container .brain {
    height: auto;
    padding: 0 0 0.4rem 0;
}
.twoul{
    display: block;
    overflow: hidden;
}
.twoul li{
    display: inline-block;
    width: 100%;
    padding: 0 0px;
    box-sizing: border-box;
    float: left;
}
.twoul li *{
    box-sizing: border-box;
}
.twoul li a{
    display: block;
    width: 100%;
    box-sizing: border-box;
    border: 4px #e6e6e6 solid;
    margin-bottom: 0.2rem;
    border-radius: 5px;
    box-shadow: 0px 2px 5px #c8c8c8;
}
.twoul li .img{
    width: 100%;
    font-size: 0;
}
.twoul li .text{
    width: 100%;
    padding:0.4rem 0.2rem;
    background: #3f75bb;
}
.twoul li .text h4{
    font-size:0.36rem;
    font-weight: 600;
    color: #fff;
}
.twoul li .text h5{
    font-size: 0.30rem;
    font-weight: 500;
    color: #fff;
    margin: 0.15rem 0;
    line-height: 0.4rem;
    letter-spacing: 0;
}
.twoul li .text p{
    font-size: 0.26rem;
    font-weight: 500;
    color: #fff;
    line-height: 0.46rem;
    overflow: hidden;
}
.tech-container .section-title {
    font-weight: bolder;
    color: #3f75bb;
    letter-spacing: 0;
        font-size: .38rem;
}


.title {
    width: 100%;
    text-align: center;
    font-weight: bolder;
    color: #3f75bb;
    font-size: .44rem;
    line-height: .6rem;
}
.expand{
    background: #f6f6f6;
    padding: 0.8rem 0 0 0;
}
.title-explain {
    line-height: 0rem;
    /*background: #fff;*/
    text-align: center;
    margin-bottom: 0.4rem;
}

.title-explain span {
    font-size: .30rem;
    font-weight: 400;
    color: #ccc;
}

.title-explain .line {
    width: 1.706667rem;
    height: .08rem;
    background: #3f75bb;
    margin: 0 auto;
    margin-top: .266667rem;
}
.threeul{
    display: block;
    overflow: hidden;
    padding: 0 0.3rem 0.85rem 0.3rem ;
}

.threeul li{
    border: 1px #e4e4e4 solid;
    background: #ffffff;
    margin: 0 0 0.2rem 0;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.1rem ;
    box-shadow: 0px 7px 4px #f5f5f5;
    border-radius: 5px;
}
.threeul li img{
    width: 32%;
}
.threeul li .textbox{
    width: 68%;
    padding: 0 0 0 0.3rem;
}

.threeul li .textbox h4 {
        font-size: 0.34rem;
    margin: 0 0 0.1rem 0;
    font-weight: bold;
    color: #3f75bb;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 0.4rem;
}
.threeul li .textbox p {
    font-size: 0.26rem;
    font-weight: 400;
    color: #999;
    line-height: 0.4rem;
}


.tech-container .tw {
    background: #ffffff;
    padding-bottom:0.4rem;
}
.tech-container .beidou .section-title {
   margin: 0.5rem 0 0 0;
}
.tech-container .beidou {
    height: auto;
    padding: 0 0 0.8rem 0;
}
.tech-container .main {
    padding-bottom: 0.2rem;
}


.tech-container .tw .item-list .item {
    background: #fcfcfc;
}

.tech-container .tw .item-list .item .subtitle {

    line-height: .34rem;
  
}
.tech-container .tw .item-list .item .pic {
    width: 100%;
    height: auto;
}
.tech-container .tw .item-list .item {
    width: 100%;
    border: 1px #efefef solid;
    box-shadow: 0px 0px 4px #a7a7a7;
}
.tech-container .tw .item-list .item .title {
    margin: 0.1rem 0 0 0;
    text-align: left;
    padding: 0 0.2rem;
}
.tech-container .tw .item-list .item .subtitle {
    padding: 0 0.2rem  0.2rem 0.2rem;
}