/******************************/
/******** common style ********/
/******************************/




/**********************************/
/******** it service style ********/
/**********************************/




/***********************************/
/******** open source style ********/
/***********************************/
.os_concept_wrap {
	margin: 50px auto;
	background: #fff;
	border: 1px solid #ddd;
	padding: 50px;
}
.os_concept_wrap .os_concept_title {
	font-size: 32px;
	font-weight: 400;
	color: #14adea;
	text-transform: uppercase;
}
.os_concept_wrap .os_concept_desc {
	font-size: 24px;
	font-weight: 700;
	color: #999;
	margin: 50px 0;
	word-break: keep-all;
}
.os_concept_wrap .os_concept_box {
	position: relative;
	display: flex;
	justify-content: space-between;
	width: 800px;
	margin: 30px auto;
	padding: 30px;
	background: #e5f3fc;
	border-radius: 200px;
}
.os_concept_wrap .os_concept_box .os_concept_item {
	position: relative;
	width: 200px;
	height: 200px;
	border-radius: 50%;
	background: #4eacea;
	color: #fff;
	font-size: 32px;
	font-weight: 300;
	line-height: 1;
	letter-spacing: 1px;
	text-transform: uppercase;
	display: flex;
	justify-content: center;
	align-items: center;
	flex-direction: column;
}
.os_concept_wrap .os_concept_box .os_concept_item strong {
	display: block;
	font-weight: 900;
}
.os_concept_wrap .os_concept_box .os_concept_item:after {
	content: '\e145';
	font-family: 'Material Icons';
	display: inline-block;
	font-size: 3rem;
	position: absolute;
	top: 50%;
	right: -50px;
	transform: translateY(-50%);
	color: #4eacea;
}
.os_concept_wrap .os_concept_box .os_concept_item:last-child:after {
	display: none;
}

.service_cont {
	text-align: center;
	border-top: 1px solid #666;
	padding: 50px 0;
}
.service_cont_title {
	font-size: 2.3rem;
	font-weight: 900;
}
.service_cont_sub {
	font-size: 1.35rem;
	font-weight: 400;
	margin-top: 15px;
	color: #666;
}

.service_cont_text {
	font-size: 1.15rem;
	font-weight: 300;
	color: #666;
	text-align: left;
}
.service_cont_text > h4 {
	font-size: 2rem;
	font-weight: 700;
	margin:50px 0 30px; 
	color: #000;
	padding-top: 30px;
}
.service_cont_text > h5 {
	font-size: 1.7rem;
	color: #00a7ff;
	margin:30px 0;
	border-top: 1px solid #f2f2f2;
	padding-top: 30px;
}
.service_cont_text > h5:first-child {
	border-top: none;
}
.service_cont_text > h6 {
	font-size: 1.5rem;
	font-weight: 500;
	color: #000;
}
.service_cont_text > p {
	font-size: 1.1rem;
	font-weight: 400;
	line-height: 1.7;
	margin: 15px 0;
}
.service_cont_text ul li {
	list-style: disc;
	margin-left: 30px;
	line-height: 2;
	font-weight: 400;
	font-size: 1.1rem;
}
.logo_container {
	display: flex;
	justify-content: space-around;
	background: #F7F7F8;
	padding: 15px;
}
.logo_container img {
	width: 120px;
}
.os_concept_intro {
	display: table;
}
.os_concept_intro .intro_img {
	display: table-cell;
	width: 40%;
}
.os_concept_intro .intro_img img {
	width: 200px;
}
.os_concept_intro .intro_txt {
	display: table-cell;
	vertical-align: middle;
	text-align: left;
}
.os_concept_intro .intro_txt h3 {
	font-size: 1.8rem;
	font-weight: 700;
}
.os_concept_intro .intro_txt p {
	font-size: 1.2rem;
	color: #888;
	margin-top: 15px;
}

.roadmap_box {
	position: relative;
	display: flex;
	border: 1px solid #dedede;
}
.roadmap_box:after {
	content: '\e5cc';
	font-family: 'Material Icons';
	font-size: 5rem;
	display: inline-block;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%,-50%);
	color: #ddd;
}
.roadmap_box:before {
	content: '';
	display: inline-block;
	width: 100%;
	height: 2px;
	background: #ddd;
	position: absolute;
	top: 50%;
	left: 0;
	transform: translateY(-50%);
}
.roadmap_box h3 {
	width: 100%;
	position: absolute;
	top: 50px;
	left: 0;
	text-align: center;
	margin-top: 30px;
	font-size: 3rem;
	font-weight: 700;
}
.roadmap_item {
	flex: 1;
	height: 400px;
	position: relative;
}
.roadmap_point {
	position: relative;
	display: inline-block;
	width: 30px;
	height: 30px;
	border-radius: 50%;
	background: #fff;
	border: 7px solid #00a7ff;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%,-50%);
}
.roadmap_tooltip {
	display: inline-block;
	width: 400px;
	position: absolute;
	top: 50px;
	left:-185px;
	font-weight: 700;
	font-size: 16px;
	padding: 15px 30px;
	text-align: center;
	background: #fff;
	border: 1px solid #5494db;
	box-shadow: 6px 8px 16px 0 rgb(0 0 0 / 24%);
}
.roadmap_tooltip:before {
	content: '';
	position: absolute;
	display: block;   
	margin: 0;
	width: 0px;        
	left: 50%;
	top: 4px;
	transform: translateX(-50%);
	border: 8px solid transparent;
	border-top: 0;
	border-bottom: 8px solid #5494db;
	transform: translate(-50%, calc(-100% - 4px));
}
/****************************/
/******** END ********/
/****************************/


.cont_wrap {
	display: flex;
	width: 100%;
}
.cont_side {
	width: 200px;
}
.cont_article {
	flex: 1;
	position: relative;
}

.service_cont {
	
}
.cont_title {
	float: left;
	width: 250px;
	font-size: 2rem;
	font-weight: 700;
	padding-right: 40px;
	word-break: keep-all;
}
.cont_title > p {
	color: #c9c9c9;
	font-size: 1.2rem;
	margin-top: 10px;
	display: block;
}
.cont_inner {
	overflow: hidden;
	margin-bottom: 150px;
	font-size: 1.2rem;
	line-height: 1.6;
	color: #666;
}
.side_nav {
	position: sticky;
	top: 180px;
}
.side_nav ul li {
	padding: 7px 0;
}
.side_nav ul li .dot {
	display: inline-block;
	position: relative;
	font-size: 13px;
	color: #7b818e;
    text-decoration: none;
    background: #f3f5f8;
    padding: 0.5em 1em;
    border-radius: 3px;
    border: 1px solid #dbdde3;
    letter-spacing: -0.5px;
    display: inline-block;
    line-height: 1;
}
.side_nav ul li .dot.active {
	background: #2b4e75;
    border-color: #2b4e75;
    color: #fff;
	transition: all .2s ease;
}
.side_nav ul li .dot.active:before {
	display: inline-block;
	transition: all .2s ease;
}
.article_title {
	font-size: 1.5rem;
	color: #000;
	font-weight: 700;
	margin-bottom: 10px;
}
section.open_cont {
	padding: 0;
}
.open_intro {

}
.page_title_ct {
	width: 60%;
}
.page_title_ct > h3 {
	font-size: 2.5rem;
	font-weight: 700;
	word-break: keep-all;
	
}
.page_title_ct > p {
	margin-top: 30px;
	color: #666;
	font-size: 1.2rem;
}
.page_title_img {
	position: absolute;
	top: 0;
	right: 0;
	
}
.cont_nav {
	position: sticky;
	top: 80px;
	padding: 15px 0;
	margin-bottom: 30px;
	background: #fff;
}
.cont_nav li {
	float: left;
	margin-right: 30px;
}
.cont_nav li a {
	display: inline-block;
	padding: 10px 30px;
	border-radius: 50px;
	border: 1px solid #dedede;
}
.cont_nav li a.active {
	background: #2b4e75;
	color: #fff;
}