*{
    position:relative;
}
  .bannerbox {
    width: 100%;
    position:relative;
    overflow:hidden;
    height:336px;
    max-height: 336px;
    /* height: 200px; */
    /* height: auto; */
}
.banner {
    max-height: 336;
    width:100%; /*图片宽度*/
    /* height:336px; */
    position:absolute;
    left:50%;
    margin-left:-955px; /*图片宽度的一半*/
}
.contbackground{
    background-color: #dddada;
}
/* 选项卡样式 */
#tabm{
    /* border-right: 1px double #dddada; */
    height: auto;
}
#tabm ul li{
    border: 1px solid #dddada;
    cursor: pointer;
    border-radius: 3px;
    text-align: center;
    /* font-size: 14px; */
    height: 40px;
    line-height: 40px;
    margin-bottom: 20px;
}
#tabm ul li.active{
    background-color: #22bf7a;
    color: white;
    font-size: 17px;
}
.biaoti{
    background-color: #22bf7a;
    color: white;
    font-size: 19px;
}
#tabCont{
    /* height: 600px; */
    border-left: 1px double #dddada;
     height: auto;
}
#tabCont >div{
    /* position:absolute; */
    display: none;
    width: 100%;
    /* border: 1px solid red; */
    /* text-align: center; */
    /* height: 600px; */
}
#tabCont div div{
    line-height: 24px;
    margin-top:35px;
}
#tabCont >div.active{
    display: block;
}
#tabCont .imgsec{
    width: 90%;
    margin: 40px auto;
    /* border: 1px solid black; */
}
#tabCont .imgsec section{
    width: 28%;
    display: inline-block;
    text-align: center;
    margin-left: 4%;
    vertical-align: top;
}
#tabCont .imgsec section >img{
    width: 70%;
}
table,table tr th, table tr td {
    text-align: center;
     border:2px solid gray; 
     line-height: 32px;
}
th{
    background: rgb(156, 154, 154);
}
.pro >section{
    display: inline-block;
    text-align: center;
    width: 20%;
    margin-top: 10px;
    margin-left: 4%;
}
.pro >section img{
    width: 100%;
}
/* 智慧社区样式 */
.solution,.cooperation{
    /* width: 90%; */
    /* border: 1px solid black; */
    margin: 0 auto;
    display: block;
}
.solution >img,.cooperation >img{
    width: 100%;
}
.coo >section{
    display: inline-block;
    width: 40%;
    margin-bottom: 20px;
    margin-left:6%;
    text-align: center;
}
.coo >section img{
    width: 100%;
}
.coo >section h4{
    font-weight: bolder;
}
/* 云对讲 */
#tabCont .img{
    text-align: center;
    margin: 0 auto;
    width: 50%;
}
#tabCont .img>img{
    width: 100%;
}
/* 平台服务 */
.station{
    /* border: 1px red solid; */
    /* width: 80%; */
    margin: 0 auto;
}
.station >section{
    display: inline-block;
    text-align: center;
    width: 15%;
    margin-top: 10px;
    margin-left: 8%;
}
.station >section img{
    width: 60%;
}
.cc{ 
    display: block;
    background: white;
    width: 100%;
    height: 60px;
}
@media screen and (max-width: 500px){
    .bannerbox {
        width: 100%;
        position:relative;
        overflow:hidden;
        height: 170px;
    }
    .banner {
        width:100%; /*图片宽度*/
        height:auto;
        position:absolute;
        left:50%;
        margin-left:-489px; /*图片宽度的一半*/
    }
    .banner img{
        height: 170px;
    }
    .pro >section{
        display: inline-block;
        text-align: center;
        width: 40%;
        margin-top: 10px;
        margin-left: 6%;
    }
    .station >section{
        display: inline-block;
        text-align: center;
        width: 40%;
        margin-top: 10px;
        margin-left: 5%;
    }
    .station >section h4{
        font-size: 16px;
    }
}
@media screen and (max-width: 1200px){
    #tabCont .imgsec section >h4{
        font-size: 15px;
    }
    #tabCont .imgsec{
        margin: 30px auto;
    }
    .cc{ 
        /* display: none; */
        width: 100%;
        height: 60px;
    }
}
@media screen and (max-width: 991px){
    #tabCont{
        border: none;
    }
}
@media screen and (max-width: 768px){
    #tabCont .imgsec section >h4{
        font-size: 13px;
    }
    #tabCont .imgsec section >h4{
        font-size: 13px;
    }
    #tabCont .imgsec{
        margin: 20px auto;
        width: 95%;
    }
}