.w1200{
    width: 1200px;
    margin: 0 auto;
}
.top{
    width:100%;
    height: 80px;
    line-height: 80px;
    text-align: center;
		background-color: #23272a;
		position: relative;
}
.top a{
	width: 120px;
	height: 40px;
	display: inline-block;
	position: absolute;
	line-height: 40px;
	left: 50px;
	top:20px;
	border: 1px solid #FFF
}
.top img{
    display: inline-block;
    width: 136px;
    height: 35px;
    vertical-align: middle;
}
.banner,
.banner img{
    display: inline-block;
    width: 100%;
}
.title{
    height: 120px;
    line-height: 120px;
}
.title .w1200 h3{
    color:#444;
    font-size: 20px;
}
.title .w1200 h3 i{
    width: 10px;
    height: 25px;
    background-color: #3371ff;
    display: inline-block;
    vertical-align: middle;
    margin-right: 10px;
}
.content{
    width: 100%;
    padding: 50px 0;
    background-color: #f4f4f4;
}
.content .goMore{
    display: flex;
    justify-content: center;
    align-items: center;
}
.content .goMore a{
    display: block;
    height: 40px;
    width: 100px;
    border-radius: 5px;
    border: 1px solid #666;
    color:#333;
    line-height:40px;
    text-align :center;
}
.content .goMore a:hover{
    background-color:#3371ff;
    color:#fff;
    border:none;
}
.content .w1200{
    position: relative;
}
.contBox{
    margin-bottom: 70px;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: flex-start;
    -webkit-justify-content: flex-start;
    -ms-flex-pack: flex-start;
    justify-content: flex-start;
    position: relative;
}
.contBox>i{
    position: absolute;
    left: 245px;
    top: 190px;
    width: 1px;
    display: inline-block;
    background-color: #ccc;
}
.contBox .contLeft{
    width: 245px;
    height: 160px;
    border-radius: 8px;
    background-color: #fff;
    box-shadow: 3px 3px 40px #ccc;
    padding: 20px 30px;
    position: relative;
}
.contBox .contLeft h4{
    color:#444;
    font-weight: bold;
    font-size: 20px;
    margin-left: 5px;
}
.contBox .contLeft h4 i{
    font-size: 36px;
    color:#3371ff;
}
.contBox .contLeft .time{
    border: 1px solid #999;
    color:#666;
    font-size: 16px;
    width: 125px;
    height: 40px;
    line-height: 40px;
    display: block;
    text-align: center;
    border-radius: 20px;
    margin: 6px 0;
}
.contBox .contLeft .message{
    color:#3371ff;
    font-size: 12px;
    margin-left: 3px;
}
.contBox .contLeft .circle{
    width: 40px;
    height: 40px;
    background-color: rgba(51, 113, 255, 0.2);
    position: absolute;
    right: 0;
    top: 50%;
    border-radius: 50%;
    transform: translate(50%,-50%);
    -webkit-transform: translate(50%,-50%);
    -o-transform: translate(50%,-50%);
    -moz-transform: translate(50%,-50%);
    -ms-transform: translate(50%,-50%);
}
.contBox .contLeft .circle .little{
    width: 18px;
    height: 18px;
    background-color: #3371ff;
    display: inline-block;
    border-radius: 50%;
    margin: 11px 0 0 11px;
}
.contBox .contRight{
    width: calc(100% - 305px);
    margin-left: 60px;
    position: relative;
}
/* 新增、优化 */
.commonlist{
    width: 100%;
    border-radius: 0 8px 8px 0;
    padding: 35px 35px 30px 45px;
    box-shadow: 3px 3px 40px #ccc;
    margin-bottom: 10px;
}
.commonlist h4{
    color:#333;
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 10px;
}
.commonlist h4 i{
    display: inline-block;
    width: 80px;
    height: 35px;
    line-height: 35px;
    text-align: center;
    color:#fff;
    font-size: 16px;
    border-radius: 20px;
    margin-right: 15px;
}
.commonlist .step{
    color:#333;
    font-size: 14px;
    line-height: 26px;
}
.newlylist{
    background: url("../../images/updateLog/newly.png") no-repeat left top #fff;
}
.optimizelist{
    background: url("../../images/updateLog/optimize.png") no-repeat left top #fff;
}
.newlylist h4 i{
    background-color: #ff842c;
}
.optimizelist h4 i{
    background-color: #3371ff;
}
/* 更新tab栏 */
.content_nav {
    position: absolute;
    z-index: 11;
    top: 0;
    right: -30px;
    transform: translatex(100%);
    -webkit-transform: translatex(100%);
    -o-transform: translatex(100%);
    -moz-transform: translatex(100%);
    -ms-transform: translatex(100%);
}

.content_nav .nav_link {
    display: block;
    width: 65px;
    height: 25px;
    line-height: 25px;
    cursor: pointer;
    color: #3371ff;
    margin-bottom: 5px;
    border-left:5px solid #3371ff;
    font-size: 14px;
    padding-left: 10px;
}
.content_nav .current{
    line-height: 40px;
    height: 40px;
    background-color: #3371ff;
    color:#fff;
    border-radius: 0 6px 6px 0;
    font-size: 16px;
}