.commercial-box{
	background: #fbfbfb;
    height: 100px;
}
.commercial-list{
	width: 1170px;
    margin: 0px auto;
    height: auto;
    display: flex;
	padding: 0px 0px;
	color: #555;
}
.commercial-context{
	margin: 0px auto;
    width: 1190px;
    padding: 10px;
    display: flex;
}
.commercial-context-left{
    width: 190px;
    background: #ffffff;
    position: relative;
    padding: 10px;
	margin-right: 10px;
	height: auto;
}
.commercial-logo{
	margin-left: 20px;

}
.commercial-wechat-logo{
	margin-left: 20px;
	position: absolute;
    bottom: 1px;
}
.commercial-context-right{
	width: 100%;
	float: left;
	border-left: 1px solid #434343;
}

.commercial-context-info{
    margin-left: 20px;
}

.commercial-context-header{
	width: 100%;
    min-height: 55px;
    border-bottom: 1px solid #434343;
}

.commercial-context-header h4{
	width: 90%;
    font-size: 27px;
    color: #444;
    font-weight: 500;
    word-break: break-all;
}
.commercial-context-header a{
	font-size: 13px;
    color: #999;
    margin-right: 10px;
}
.commercial-context-desc{
	margin-left: 20px;
	margin-top: 20px;
	min-height: 300px;
}
.extension-button {
	float: right;
    background-color: #d70035;
    height: 30px;
    padding: 0 25px;
    color: #fff;
    font-size: 16px;
    border-radius: 9px;
    margin-top: -25px;
    line-height: 30px;
    cursor: pointer;
}
.extension-button:hover {
    background-color: #ad002b;
}
.extension-cont-roll{
	width: 99.5%;
    margin-top: 40px;
    position: relative;
    border-bottom: 1px solid #c9c9c9;
}
.button-bor {
    position: absolute;
    left: 50%;
    top: -9px;
    margin-left: -80px;
    background-color: #fff;
    width: 150px;
    text-align: center;
}
.button-bor span {
    border: 1px solid #999;
    padding: 1px 20px;
    font-size: 16px;
    color: #555;
    -webkit-border-radius: 25px;
    -moz-border-radius: 25px;
    border-radius: 25px;
}

.grcont {
    margin: 20px 0 40px 0;
}

.grcont span {
    position: absolute;
    right: 0;
    top: -1px;
}

.nav-grcont {
    width: 100%;
    font-size: 18px;
    color: #000;
    font-weight: 500;
    margin-top: 15px;
    margin-left: 20px;
}

ol, ul, li {
    list-style: none;
}

.nav-grcont li:first-child {
    margin-top: 40px;
}

.nav-grcont li {
    position: relative;
    height: 35px;
}
.nav-grcont li a {
    font-size: 14px;
    color: #777;
    right: 22px;
    top: 3px;
    cursor: pointer;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    word-break: break-all;
    overflow: hidden;
    width: 460px;
    position: absolute;
    left: 0;
}
.nav-grcont li em {
    margin-right: 25px;
    font-size: 13px;
    color: #777;
    top: 3px;
    position: absolute;
    left: 630px;
    font-style: inherit;
    width: 320px;
}
.nav-grcont li em .nav-fa-time {
    width: 185px;
    display: inline-block;
}
.nav-grcont li em .nav-fa-math {
    width: 110px;
    margin-left: 15px;
    position: initial;
}