*{
    margin: 0;
    font-family: 微软雅黑 ;
    padding: 0;
}
#timeLine{
    width: 100%;
    overflow: hidden;
    margin-top: 50px;
}
#lineBox{
    width: calc(100% - 186px);
    display: inline-block;
    overflow: hidden;
    vertical-align: top;
}
#yearList{
    width: 99999px;
    display: inline-block;
    list-style: none;
    margin: auto;
    position: relative;
    background: url('../picture/time-line.png') repeat-x center 52px;
    padding:15px 160px;
    margin-left: -160px;
}

#yearList:after,.container-li:after{
    content: "";
    display: table;
    clear: both;
}
#yearList li{
    float: left;
    cursor: pointer;
    text-align: center;
    font-size: 15px;
    color: #fff;
    width: 200px;
}
.year-dot{
    width: 12px; height: 12px; border-radius: 5px;
    background-color: #FEBDB9;
    margin: 10px auto;
    margin-top: 20px;
    display: block;
}
.dotted-line{
    border-bottom: dashed 2px  #7b7d7b;
    position: relative;
    top: -26px;
    z-index: -1;
}
#cList{
    width: 100%;
    position: relative;
}
#btnLeft{
    width: 40px; height: 40px;
    border-radius: 20px;
    display: inline-block;
    text-decoration: none;
    color: #666;
    font-size: 24px;
    text-align: center;
    line-height: 38px;
    background: #fff;
    margin-right: 48px;
    margin-top: 41px;
}
#btnRight{
    width: 40px; height: 40px;
    border-radius: 20px;
    display: inline-block;
    text-decoration: none;
    color: #666;
    font-size: 24px;
    text-align: center;
    line-height: 38px;
    background: #fff;
    margin-left: 48px;
    margin-top: 41px;
}
#btnLeft:hover,#btnRight:hover{
    background-color: #dedede;
}
#cUl{
    list-style: none;
    height: 400px;
    margin: 0 auto;
    position: relative;
    left: 0px;
}
#cUl li{
  position: absolute;  left: 0;
}
.li-tit{
    display:inline-block;
    color: #fff;
    background-color: #002f21;
    padding: 10px 20px;
    margin: 30px auto 10px;
}
.container-li{
    width: 100%;
    padding: 20px 50px;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    border: solid 1px #434343;
}
.c-li-left{
    width: 40%;
    float: left;
}
.c-li-right{
    width: 60%;
    float: right;
}
#yearList li.year-active{
    font-size: 24px;
    font-weight: bold;
    color: #fff;
    margin-top: -14px;
}
.year-active i.year-dot{
    background-color: #fff;
    width: 14px;
    height: 14px;   
    border-radius: 20px;
    position: relative;
    margin-top: 20px;
}
.year-active i::after{
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    left: -4px;
    top: -4px;
    background-color: rgba(255,255,255,0.3);
    border-radius: 20px;
}