.section.banner {
	background-image: url(../img/ydb_banner.jpg);
	margin-bottom: 0;
	padding: 0;
	background-size: auto;
}

.banner .flex {
	position: absolute;
	bottom: auto;
	top: 70%;
}
.banner .flex .flex_list {
	width: 100%;
	text-align: center;
}
.banner .btn_free {
	background: #19A1EE;
}
.banner .btn_free:hover {
	background: #0069DD;
}

.articlecon p {
	display: block;
	font-size: 1rem;
	padding: 2rem 3%;
	text-align: center;
}
.case_list.flex_3 li em {
	height: 16rem;
}
.case_btn a {
	line-height: 2.5rem;
}

/* 工具 展示内容 */
.section {
	padding: 4rem 0;
}

.grey .flex {
	flex-direction: row-reverse;
}
.grey .flex .flex_list.list_txt {
	float: right;
	width: 60%;
	margin-left: 10%;
	margin-right: 0;
	text-align: right;
}
.tool_tt {
	font-family: "sans-serif";
	font-weight: bold;
	font-size: 400%;
	line-height: 2em;
	color: #f2f2f2;
	margin: 0 5%;
}
.flex .flex_list.list_txt {
	width: 60%;
	text-align: left;
	padding: 5%;
	margin-right: 10%;
	font-size: 0.875rem;
}
.list_txt h3 {
	font-size: 1.875rem;
	line-height: 4rem;
}
.list_txt p {
	font-size: 1rem;
	line-height: 2rem;
	color: #999;
}
.list_txt span {
	display: block;
	margin: 2rem 0;
}
.list_txt span a {
	border: 1px solid #0069DD;
	color: #0069DD;
	padding: 0.625rem 2rem;
	border-radius: 2px;
}
.list_txt span a:hover {
	background: #0069DD;
	color: #fff;
}
.flex .flex_list.list_img {
	position: relative;
	width: 30%;
	padding: 3%;
	max-width: 27.5rem; 
}

.blue .wrap > h3 {
	color: #fff;
}

/* 流体布局 */
.flex_4 li {
	width: 23%;
}
.flex_3 {
	flex-flow: wrap;
}
.wechat_case_list.flex_3 li {
	width: 96%;
	background: none;
}
.flex_3 li .flex_list {
	width: 31.33%;
	margin: 0 1%;
	background: #fafafa;
	padding: 1%;
}
.flex_3 li .flex_list h5 {
	display: inline-block;
	margin: 0.75rem 0;
	padding: 0.5rem 2rem;
	line-height: 1rem;
	font-size: 1rem;
	border: 1px solid;
	border-radius: 3px;
}
.pshowfront h5 {
	color: #00AAAA;
}
.pshowback h5 {
	color: #0069DD;
}
.flex_3 li .flex_list li {
	width: 46%;
}
.flex_3 li .flex_list li img {
	padding: 1px;
	border: 1px solid #eee;
}
.flex_3 li .flex_list li:hover img {
	border: 1px solid #0069DD;
}
.flex_3.tagterm li {
	width: 31.33%;
}
.tagterm li {
	margin: 2rem 1%;
	padding: 1% 1% 3rem;
	background: #f9f9f9;
}
.tagterm li img {
	max-width: 6.25rem;
	margin: 2rem 0;
}
.tagterm li h4 {
	display: block;
	font-size: 1.125rem;
	margin-bottom: 1rem;
	
	-webkit-transition: all 300ms linear;
	-moz-transition: all 300ms linear;
	-o-transition: all 300ms linear;
	-ms-transition: all 300ms linear;
	transition: all 300ms linear
}
.tagterm li:hover h4 {
	color: #19A1EE;
	-webkit-animation: moveFromTop 300ms ease-in-out;
	-moz-animation: moveFromTop 300ms ease-in-out;
	-ms-animation: moveFromTop 300ms ease-in-out
}
.tagterm li p {
	min-height: 8rem\9;
	font-size: 0.875rem;
	line-height: 1.5rem;
}

.flex_10.flex {
	flex-flow: wrap;
}
.flex_10 {
	padding: 0.5%;
}
.flex_10 li {
	width: 11%;
	padding: 2% 1%;
	text-align: center;
}
.flex_10 li img {
	max-width: 4.5rem;
}
.flex_10 li p {
	display: block;
	width: 100%;
	font-size: 0.875rem;
	line-height: 2rem;
	height: 2rem;
	overflow: hidden;
	text-overflow: ellipsis;
	-webkit-line-clamp: 1;
	-webkit-box-orient: vertical;
}

/* 响应式代码 */

@media screen and (max-width:1300px){
	.section.banner {
		background-size: auto 100%;
	}
	.flex .flex_list.list_txt {
		width: 55%;
		margin-right: 5%;
	}
	.grey .flex .flex_list.list_txt {
		width: 55%;
		margin-left: 5%;
	}
	.flex .flex_list.list_img {
		width: 40%;
	}
	.case_list.flex_3 li em {
		height: 11.5rem;
	}
	

}
@media screen and (max-width:1080px) {

	.list_txt h3 {
		margin-top: 1rem;
	}
	.tagterm li h4 {
		font-size: 1rem;
	}
	.wechat_case_list.flex_3 li {
		width: 29.33%;
	}
	.flex_3 li .flex_list.pshowfront ,
	.flex_3 li .flex_list.pshowback {
		display: none;
	}
	.flex_3 li .flex_list {
		width: 100%;
		margin: 0;
		padding: 0;
	}
	.case_list.flex_3 li em {
		height: 10rem;
	}
	
}
@media screen and (max-width:1024px) {
	
}
@media screen and (max-width:940px) {
	.list_txt h3 {
		margin-top: 0rem;
	}
	.flex_4.flex {
		flex-flow: wrap;
	}
	.flex_4 li {
		width: 48%;
		padding: 2%;
		margin: 1rem 1%;
	}
}
@media screen and (max-width:840px) {
	.flex_3.tagterm li {
		width: 46%;
		margin: 1% 2%;
	}
}
@media screen and (max-width:720px) {
	.section {
		padding: 3% 0;
	}
	.grey .flex .flex_list.list_txt,
	.flex .flex_list.list_txt {
		width: 67%;
	}
	.flex .flex_list.list_txt {
		margin-right: 3%;
	}
	.grey .flex .flex_list.list_txt {
		margin-left: 3%;
	}
	.flex .flex_list.list_img {
		width: 30%;
		height: auto;
		overflow: hidden;
	}
	.flex .flex_list.list_img img {
		width: 200%;
	}
	.grey .flex .flex_list.list_img img {
		margin-left: -100%;
	}
	.flex_3.tagterm li {
		margin: 2%;
	}
	.tagterm li p {
		padding-bottom: 1rem;
	}
	.flex_10 li {
		width: 33%;
	}

}
@media screen and (max-width:640px) {

	.tool_tt {
		font-size: 240%;
		line-height: 1.25em;
	}
}
@media screen and (max-width:480px) {
	.tool_tt {
		font-size: 150%;
		line-height: 2em;
		color: #19A1EE;
	}
	.flex .flex_list.list_img {
		width: 40%;
	}
	.grey .flex .flex_list.list_txt,
	.flex .flex_list.list_txt {
		width: 57%;
		padding: 2%;
	}
}