.navbar-light .navbar-nav .nav-link.active {
    border-bottom: 2px solid #007bff;
 }

.windowsss{
padding-top: 100px;
}
.wenzhanghr{
	margin-top:100px;
	color: #e1e8ee;
}
.androidsss{
	padding-top: 100px;
}
.tabscontent{
	padding-top: 50px;
	padding-bottom: 0px
}
.iossss{
	padding-top: 100px;
}
.macsss{
	padding-top: 100px;
}
.buyyeswall{
	padding-top: 100px;
}
.chongzhiwenzhang{
	padding-top: 100px;
}
.articletopbanner{
background: rgb(222,228,242);
background: -moz-linear-gradient(94deg, rgba(222,228,242,1) 0%, rgba(236,238,239,1) 100%);
background: -webkit-linear-gradient(94deg, rgba(222,228,242,1) 0%, rgba(236,238,239,1) 100%);
background: linear-gradient(94deg, rgba(222,228,242,1) 0%, rgba(236,238,239,1) 100%);
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr="#dee4f2",endColorstr="#eceeef",GradientType=1);
max-height: 320px;
}
.helpbannertexth2{
    	font-family: -apple-system,"Helvetica Neue",Helvetica,Arial,"PingFang SC","Hiragino Sans GB","WenQuanYi Micro Hei","Microsoft Yahei",sans-serif;
	  -webkit-font-smoothing: antialiased;
	text-shadow: 0 1px 1px #fff;
	color:#628098;
	font-size:32px;
	}
.help_title {
    font-size: 16px;
    margin: 20px 0;
    background: #EEE;
    border-radius: 4px;
}
.help_title span {
    display: inline-block;
    padding: 0px 20px;
    line-height: 40px;
    background: #1291ea;
    border-radius: 4px 0 0 4px;
    color: #FFF;
}
.articletoptitle{
		font-family: -apple-system,"Helvetica Neue",Helvetica,Arial,"PingFang SC","Hiragino Sans GB","WenQuanYi Micro Hei","Microsoft Yahei",sans-serif;
	  -webkit-font-smoothing: antialiased;
}
/* article */
.jumbotronarticle {
	margin-bottom: 0rem;
	}
	.sectionarticle {
		background: #fff;
		padding: 12px;
		border-bottom: 1px solid #e1e8ee;
		padding-bottom: 0px;
		padding-top: 0px;
	}
	.articletitle{
		margin-bottom: 46px;
		margin-top: 48px;
		border-bottom: 1px solid #e1e8ee;
	}
	.article-subtitle{
		margin-bottom: 36px;
	}