#timeLine{
    width: 100%;
    margin: 100px auto 50px auto;
    /* border:  solid 1px #434343; */
    /* background: rgba(500,500,500,0.9); */
    overflow: hidden;
}
#timeLine .container{
    width: 100%;
    margin: 0 auto;
    position: relative;
}

#yearList{

    width: 98%;
    list-style: none;
    position: relative;
    /*left: 457px;*/
    margin-left: 200px;
    display:flex;
}
#yearList:after,.container-li:after{
    content: "";
    display: table;
    clear: both;
}
#yearList li{
    flex:1;
    /* float: left; */
    cursor: pointer;
    text-align: center;
    font-size: 30px;
    /* font-weight: bold; */
    padding: 10px 20px;

}
.year-dot{
    width: 20px; height: 20px; border-radius: 50px;
    background-color: #002f21;
    margin: 10px auto;
    display: block;
}
.dotted-line{
    border-bottom: dashed 2px  #7b7d7b;
    position: relative;
    top: -45px;
    z-index: -1;
}
#cList{
    width: 100%;
    position: relative;
}
#btnLeft{
    width: 50px; 
    display: inline-block;
    position: absolute;
    left: 0;
    top: 180px;
    text-decoration: none;
    color: #333;
    font-size: 30px;
    text-align: center;
}
#btnRight{
    width: 50px; 
    display: inline-block;
    position: absolute;
    right: 0;
    top: 180px;
    text-decoration: none;
    color: #333;
    font-size: 30px;
    text-align: center;

}

.iconfont{
    font-size: 30px!important;
    cursor: pointer;
}
#btnLeft:hover,#btnRight:hover{

}
#cUl{
    /* width: 850px; */
    width: 100%;
    list-style: none;
    height: 100%;
    margin: 0 auto;
    position: relative;
    left: 0px;
}
#cUl li{
    width: 100%;
  position: absolute;  left: 0;
}
.li-tit{
    display:inline-block;
    color: #000;
    background-color: #ccc;
    padding: 10px 20px;
    margin: 0 auto 10px;
    font-size: 20px;
    border-radius: 6px;
    margin-left:20px
}
.container-li{
    width: 100%;
    padding: 20px 50px;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    border: solid 1px #ccc;
    display: flex;
    border-radius: 8px;
}
.c-li-left{
    width: 40%;
    height: 300px;
    margin-right: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.c-li-left img{
    width: auto;
    height:100%;
    border-radius: 8px!important;
}
.c-li-right{
    width: 50%;
    display: flex;
    flex-direction: column;
    /* float: right; */
    justify-content: center;
    margin-left: 10%;
    font-size: 20px;
}
.year-active{
    color: red;
}
.year-active i{
    background-color: red;
}
.timeMain{
    width: 1100px;
    min-height:500px;
    margin: 0 auto; 
    overflow: hidden
}
@media screen and (max-width: 768px) {
    .container-li{
        flex-direction: column;
        height: 100%;
    }
    .timeMain{
        width: 100%;
        height: 100%;
        overflow: visible;
    }
    .c-li-left{
        width: 100%;
        height: auto;
    }
    .c-li-left img{
        height:200px;
    }
    .c-li-right{
        font-size: 16px;
    }
    .container-li{
        border:none
    }
}