.jumbotron {
	margin: 0;
	padding: 0;
}
.content {
	padding-top: 73px;
	min-height: 500px;
}
.content .content-title {
	    width: 100%;
    border-bottom: 1px solid #f4f4f4;
}
.content .content-title h2 {
	    float: left;
    font-size: 24px;
    color: #6b6b6b;
    line-height: 60px;
    font-weight: normal;
    margin: 0;
    padding: 0;
}
.content .content-title .right-nav {
	    float: right;
    margin-top: 19px;
    font-size: 12px;
    height: 28px;
}
@media screen and (max-width: 410px){ 
	.content .content-title .right-nav {
		margin-top: 0;
	}
}
.content .content-title .right-nav a {
	    padding: 0px 15px;
    color: #8e8e8e;
    height: 26px;
    line-height: 26px;
    display: block;
    float: left;
}

.content .content-title .right-nav span {
	    margin-left: 15px;
    margin-right: 15px;
    height: 16px;
    width: 1px;
    display: block;
    background: #e0e0e0;
    float: left;
    margin-top: 5px;
}
.content .content-title .right-nav span:first-of-type {
	display: none;
}
.content .content-title .right-nav a.active {
	    color: #fff;
    background: #595959;
}
.jumbotron .jumbotron-header {
	    overflow: hidden;
    font-size: 20px;
    color: #000;
    margin-bottom: 45px;
    margin-top: 45px;
}
.jumbotron .jumbotron-content p {
	width: 100%;
	font-size: 16px;
	text-indent: 2em;
}
.jumbotron .guangyu {
	    overflow: hidden;
    background: #fbfbfb;
}
.jumbotron .guangyu-header {
	overflow: hidden;
    font-size: 20px;
    color: #000;
    margin-top: 18px;
    margin-bottom: 5px;
    line-height: 45px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 10px;
    padding-right: 10px;
}
.jumbotron .guangyu-content {
	    position: relative;
    padding: 2em 0;
    margin-top: 2em;
    margin-bottom: 2em;
    margin-left: auto;
    margin-right: auto;
    max-width: 1200px;
}
	.jumbotron .guangyu-content:before {
		    content: '';
		    position: absolute;
		    top: 0;
		    left: 18px;
		    height: 100%;
		    width: 4px;
		    background: #cacaca;
	}
	.content-item-date {
		position: absolute;
    top: 25px;
    left: 0;
    width: 50px;
    line-height: 50px;
    text-align: center;
    height: 50px;
    border-radius: 50%;
    box-shadow: 0 0 0 4px #ffffff, inset 0 2px 0 rgba(0, 0, 0, 0.08), 0 3px 0 4px rgba(0, 0, 0, 0.05);
    background: #737373;
    color: #fff;
    font-size: 18px;
    font-family: arial;
    margin-left: -5px;
	}
	.content-item-content {
		position: relative;
	    margin-left: 60px;
	    background: #ffffff;
	    border-radius: 0.25em;
	    padding: 1.5%;
	    box-shadow: 0px 1px 3px #cacaca;
	}
	.content-item-content h2 {
		font-size: 25px;
	}
	.content-item-content::before {
		content: '';
	    position: absolute;
	    top: 16px;
	    right: 100%;
	    height: 0;
	    width: 0;
	    border: 7px solid transparent;
	    border-right: 7px solid #ffffff;
	}
	.guangyu-content-item {
		    position: relative;
		    overflow: hidden;
	}
		.guangyu-content-item {
		    margin: 4em 0;
	}
@media screen and (min-width: 1170px){
	.jumbotron .guangyu-content:before {
		    left: 50%;
    margin-left: -2px;
	}

	.guangyu-content-item:first-of-type {
			    margin-top: 0;
	}
	.content-item-date {
		    width: 70px;
    height: 70px;
    line-height: 73px;
    left: 50%;
    margin-left: -35px;
    -webkit-transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    background: #737373;
    color: #fff;
    font-size: 22px;
    font-family: arial;
	}
	
	.content-item-content {
	    margin-left: 0;
	    width: 42%;
	        box-shadow: 1px 1px 3px #cacaca;
	}
	.guangyu-content-item:nth-of-type(even) .content-item-content {
		float: right;
		box-shadow: -1px -1px 3px #cacaca;
	}
	.content-item-content::before {
		    top: 24px;
    left: 100%;
    border-color: transparent;
    border-left-color: #ffffff;
	}
	.guangyu-content-item:nth-of-type(even) .content-item-content::before {
		    top: 24px;
    left: auto;
    right: 100%;
    border-color: transparent;
    border-right-color: #ffffff;
	}
}