.pst_bg {
    width: 100%;
    /* height: 72px; */
	padding: 20px 0;
    border-bottom: 1px solid #dddddd;
}
.pst {
    text-align: left;
    margin: 0px auto;
    /* height: 72px; */
    /* line-height: 72px; */
    font-size: 16px;
    color: #777;
}
/* site */
.site{
	float: left;
	padding-left: 24px;
	background: none;
}
.site a{
	color: #e8474f;
	font-weight: bold;
}
.site .icon-site{
	width: 24px;
	height: 24px;
	vertical-align: middle;
	line-height: 24px;
}

/* detail */
.detail {
	padding-bottom: 25px;
}

.detail h1.title {
	text-align: center;
	font-size: 30px;
	font-weight: bold;
	margin: 50px 0 20px 0;
}

.detail .lj {
	color: #999;
	text-align: center;
	margin-top: 8px;
	margin-bottom: 30px;
	font-size: 14px;
}
.detail .content img {
    max-width: 100%;
}

.back-btn{
	text-align: center;
	margin: 10px 0;
}
.back-btn a{
	display: inline-block;
	color: #e8474f;
	font-size: 16px;
	height: 50px;
	line-height: 50px;
	padding: 0 40px;
	border: 1px solid #e8474f;
	margin-top: 20px;
	border-radius: 4px;
}


@media screen and (max-width: 769px) {
	.pst_bg{
		padding: 15px 0;
	}
	.detail img {
	    width: 100%;
	}
}