.tabs {
	margin-top: 50px;
	padding-bottom: 40px;
	background-color: #ffffff;
/*	box-shadow: 0 0 10px rgba(0, 0, 0, 0.2); */
	width: 940px;
	margin: 0 auto;
	line-height: 22px;
}
.tab_item {
	width: calc(100%/4);
	height: 50px;
	border-bottom: 3px solid #00aad2;
	background-color: #dddddd;
	line-height: 50px;
	font-size: 16px;
	text-align: center;
	color: #999999;
	display: block;
	float: left;
	text-align: center;
	font-weight: bold;
	transition: all 0.2s ease;
}
.tab_item:hover {
	opacity: 0.75;
}
input[name="tab_item"] {
	display: none;
}
.tab_content {
	display: none;
	padding: 20px 0 0;
	clear: both;
	overflow: hidden;
}
#all:checked ~ #all_content,
#Android_old:checked ~ #Android_old_content,
#Android_new:checked ~ #Android_new_content,
#ios:checked ~ #ios_content {
	display: block;
}
.tabs input:checked + .tab_item {
	background-color: #00aad2;
	color: #fff;
}
.tabs h4 {
	font-size: 24px;
	margin-top: 30px;
	margin-bottom: 20px;
}
.bullet li::before {
	content: '\25AA';
	color: #333;
	font-size: 22px;
	margin-right: 8px;
}
.bullet {
	margin-top: 15px;
}
.bullet li {
	font-size: 18px;
}
.bullet p {
	margin-left: 24px;
	font-size: 20px;
}
.guideB::after {
	content: '';
	display: block;
	clear: both;
}
.guideB > li {
	float: left;
	width: 33.3333%;
	font-size: 14px;
	margin-top: 20px;
}
.guideB > li > img {
	margin-bottom: 5px;
}