.content .main .case_share {
	width: 1200px;
	margin: 0 auto;
	padding: 60px 0 40px;
	border-bottom: 1px solid #7FD4EC;
}

.content .main .case_share .title {
	padding-bottom: 10px;
	font-size: 25px;
}

.content .main .case_share span {
	color: #838383;
}

.content .main .nav_box {
	width: 1200px;
	margin: 30px auto;
	overflow: hidden;
    padding-left: 5px;
}

.content .main .nav_box .title {
	float: left;
	height: 35px;
	line-height: 35px;
	border-radius: 5px;
	-webkit-border-radius: 5px;
	-moz-border-radius: 5px;
	font-size: 16px;
    font-weight: bold;
	padding-right: 10px;
}

.content .main .nav_box .nav {
	float: left;
	overflow: hidden;
}

.content .main .nav_box .nav li {
	float: left;
}

.content .main .nav_box .nav .active {
	border: 1px solid #7fd4ec;
}

.content .main .nav_box .nav a {
	color: #707070;
	display: block;
	padding: 7px 20px;
	font-size: 16px;
}

.content .main .nav_box .case_share_banner {
	width: 1200px;
	margin: 40px auto 50px;
	overflow: hidden;
}

.content .main .nav_box .case_share_banner li {
	width: 390px;
	height: 220px;
	float: left;
	margin-right: 10px;
	margin-top:10px;
	position: relative;
}
.content .main .nav_box .case_share_banner li img{
	width: 100%;
	height: 100%;
	position: absolute;
	z-index: 1;
}

.content .main .nav_box .case_share_banner li .txt {
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.5);
	opacity: 0;
	transition: opacity .15s ease;
	-webkit-transition: opacity .15s ease;
	-moz-transition: opacity .15s ease;
	-o-transition: opacity .15s ease;
	-ms-transition: opacity .15s ease;
	position:absolute;
	z-index: 2;
}

.content .main .nav_box .case_share_banner li .txt a {
	display: block;
	width: 100%;
	height: 100%;
	line-height: 220px;
	text-align: center;
	color: #FFFFFF;
	font-size: 18px;
	
}
.content .main .nav_box .wrap{
	width: 100%;
	overflow: hidden;
	margin-bottom: 20px;
}
.content .main .nav_box .case_share_banner li:hover .txt {
	opacity: 1;
}

/* .content .main .nav_box .case_share_banner .li2, .content .main .nav_box .case_share_banner .li3,
	.content .main .nav_box .case_share_banner .li5, .content .main .nav_box .case_share_banner .li6,
	.content .main .nav_box .case_share_banner .li8, .content .main .nav_box .case_share_banner .li9
	{
	margin-left: 15px;
}

.content .main .nav_box .case_share_banner .li4, .content .main .nav_box .case_share_banner .li7,
	.content .main .nav_box .case_share_banner .li5, .content .main .nav_box .case_share_banner .li6,
	.content .main .nav_box .case_share_banner .li8, .content .main .nav_box .case_share_banner .li9
	{
	margin-top: 15px;
} */

.content .main .nav_box .loading {
	width: 190px;
	height: 55px;
	line-height: 55px;
	margin: 100px auto;
	border: 1px solid #777777;
	border-radius: 3px;
	-webkit-border-radius: 3px;
	-moz-border-radius: 3px;
	text-align: center;
	letter-spacing: 1px;
	font-size: 30px;
}

.content .main .nav_box .loading a {
	color: #000000;
}