/* 下载 */
.main .page .version-container{
    display: flex;
    -ms-flex-pack: center;
    justify-content: center;
    margin-bottom: 2rem;
    transition: all .56s ease;
    color: #333333;
}
.main .page .version-container .item{
    width: 390px;
    height: 220px;
    background: red;
    box-sizing: border-box;
    margin: 10px;
    border-radius: 10px;
    display: inline-block;
    background: #393b3a;
    background-position: center 30%;
}
.main .page .version-container .item:hover .code{
    display: block;
}
.main .page .version-container .item:hover .text{
    display: none;
}
.main .page .version-container .item .text{
    width: 100%;
    height: 100%;
}
.main .page .version-container .item .text img{
    width: 80px;
    height: 80px;
    margin-top: 40px;
    cursor: default;
}
.main .page .version-container .item .text p{
    text-align: center;
    margin-top: 2rem;
    color: #fff;
    font-size: 18px;
}
.main .page .version-container .item .code{
    display: none;
    width: 100%;
    height: 100%;
    background: #2bd3a0;
    border-radius: 10px;
}
.main .page .version-container .item .code img{
    width: 118px;
    height: 118px;
    margin-top: 15px;
    cursor: default;   
}
.main .page .version-container .item .code button{
    border: none;
    margin-top: 26px;
    height: 38px;
    width: 195px;
    background: #fff;
    box-shadow: 0 2px 4px 0 rgba(0,0,0,.5);
    border-radius: 100px;
    color: #2bd3a0;
    cursor: pointer;
}
.main .page .serviceList{
    display: flex;
    -ms-flex-pack: center;
    justify-content: center;
}
.main .page .serviceList .item{
    width: 300px;
    height: 400px;
    background: red;
    display: flex;
    flex-direction: column;
    position: relative;
    text-align: center;
    background-size: 100% 100%;
    animation: all 1s ease;
}
.main .page .serviceList .item .item-icon{
    margin: 80px 25px 10px 25px;
}
.main .page .serviceList .item .item-icon img{
    padding-bottom: 25px;
}
.main .page .serviceList .item .item-text span{
    color: #fff;
    font-weight: 700;
    font-size: 22px;
	display:block;
}
.main .page .serviceList .item .item-icon::after{
    content: '';
    display: block;
    height: 5px;
    width: 28px;
    margin-top: 25px;
    background:#ccc;
    margin: 0 auto;
}
.main .page .serviceList .item:nth-child(1){
    background: url('../img/index_img/3_image1_normal.png');
}
.main .page .serviceList .item:nth-child(2){
    background: url('../img/index_img/3_image2_normal.png');
}
.main .page .serviceList .item:nth-child(3){
    background: url('../img/index_img/3_image3_normal.png');
}
.main .page .serviceList .item:nth-child(4){
    background: url('../img/index_img/3_image4_normal.png');
}
.main .page .chooseList .item{
    width: 100%;
    height: 178px;
}
.main .page .chooseList .item .item-title{
    padding: 28px 0px 0px 50px;
}
.main .page .chooseList .item .item-title span{
    font-size: 26px;
    font-weight: 700;
}
.main .page .chooseList .item .item-title p{
    font-size: 16px;
    padding-top: 5px;
    padding-right: 10px;
    line-height: 20px;
}
.main .page .chooseList .item.item:nth-child(odd){
    background: #eee;
}
.main .page .chooseList .item.item:nth-child(even){
    background: #656968;
}
.main .project_list {
    display: flex;
    flex-wrap: wrap;
}
.main .project_list .item{
    width: 238px;
    height: 120px;
    margin-top: 28px;
    color: #000;
}
.main .project_list .item img{

}
.main .project_list .item h4{

}
.main .carousel{
    position: relative;
}
.main .carousel .know{
    position: absolute;
    left: -25px;
    top: -150px;
    border: none;
    background: none;
    color: #fff;
    width: 158px;
    height: 48px;
    line-height: 48px;
    margin-top: 30px;
    font-size: 22px;
    color: #00ffb2;
    letter-spacing: 0;
    border: 1px solid #00ffb2;
    border-radius: 24px;
    cursor: pointer;
    text-decoration: none;
}
/* mian public */
.main .page .san{
    width:0;
    height:0;
    border-width:25px 25px 0;
    border-style:solid;
    border-color:#333 transparent transparent;/*灰 透明 透明 */
    margin:40px auto;
    position:relative;
    bottom: -23px;
}
.main .page{
    padding-bottom: 10px;
}
.main .title {
    padding-top: 50px;
    margin-bottom: 23px;
    font-size: 30px;
    font-weight: 700;
    color: #000;
}

.main .subtitle {
    color: #333333;
    margin-bottom: 30px;
    font-size: 18px;
}