html,
body,
ul,
li,
dl,
dt,
dd {
	margin: 0;
	padding: 0;
}

a {
	text-decoration: none;
}

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

.center {
	width: 1200px;
	margin: 0px auto;
}

.flex-center {
	display: flex;
	align-items: center;
}

h1.page-title {
	color: #111;
	font-size: 36px;
	font-weight: bold;
	line-height: 1em;
	margin: 0px;
	text-align: center;
	letter-spacing: 2px;
}

/* banner */
.banner > img{
	display: block;
	width: 100%;
	min-width: 1200px;
}

/* 学习系统介绍 */
.introduce-container{
	background-color: #F9F9F9;
	overflow: hidden;
}
.introduce .page-title{
	margin: 88px auto 65px;
}
.introduce-list{
	display: flex;
	flex-wrap: wrap;
}
.introduce-item{
	flex: 1;
	min-width: 33.33%;
	height: 274px;
	border: 1px solid #DBDED7;
	margin-right: -1px;
	margin-bottom: -1px;
	box-sizing: border-box;
}
.introduce-item > img{
	display: block;
	width: auto;
	height: 54px;
	margin: 50px auto 25px;
}
.introduce-item > h3{
	color: #222;
	font-size: 20px;
	font-weight: bold;
	text-align: center;
	line-height: 1em;
	margin: 0px auto 15px;
}
.introduce-item > p{
	color: #252525;
	font-size: 16px;
	line-height: 30px;
	margin: 0px;
	text-align: center;
}

/* 多终端同步 */

.synchroniz-container{
	min-width: 1200px;
	background: url(../../../img/portal/study/synchroniz_bg.png) ;
	background-position: center center;
	background-repeat: no-repeat;
	background-size: cover;
	overflow: hidden;
}

.synchroniz-container .page-title{
	margin: 55px auto 61px;
	
}

.synchroniz-content{
	display: flex;
	margin-bottom: 75px;
}

.synchroniz-content > img{
	display: block;
	width: 643px;
	margin-left: auto;
	margin-right: 90px;
}

.synchroniz-aside{
	padding-top: 13px;
	width: max-content;
	flex-shrink: 0;
}
.synchroniz-info{
	font-size: 20px;
	color: #111;
	margin-top: 60px;
}
.synchroniz-info > img{
	display: block;
	width: 60px;
	height: 60px;
	margin-right: 18px;
}

/* 多种认证方式 */
.auth-type{
	overflow: hidden;
	padding-bottom: 81px;
}
.auth-type .page-title{
	margin: 78px auto 57px;
}

.auth-type-list{
	display: flex;
	
}
.auth-type-list > .auth-type-item{
	width: 560px;
	height: 320px;
	font-size: 36px;
	color: #FFF;
	line-height: 320px;
	text-align: center;
	letter-spacing: 2px;
	background-size: 100% 100%;
	background-repeat: no-repeat;
	flex-shrink: 0;
}
.auth-type-list > .auth-type-item:first-child{
	margin-right: auto;
	background: url(../../../img/portal/study/auth_type_bg1.png);
}
.auth-type-list > .auth-type-item:last-child{
	background: url(../../../img/portal/study/auth_type_bg2.png);
}

/* 培训证明存档 */

.training-file{
	min-width: 1200px;
	background: url(../../../img/portal/study/training_file_bg.jpg);
	background-size: cover;
	background-position: center center;
	background-repeat: no-repeat;
}
.file-content{
	overflow: hidden;
	padding-bottom: 68px;
}
.file-content .page-title{
	margin: 78px auto 39px;
}
.file-content>img{
	display: block;
	width: 1020px;
	margin: 0px auto;
}

/* 监管功能完善 */
.supervise{
	overflow: hidden;
}

.supervise .page-title{
	margin: 78px auto 51px;
}
.supervise > img{
	display: block;
	width: 1000px;
	margin: 0px auto 128px;
}