body {
	font: 14px/1.5 PingFangSC-Regular, Roboto, Helvetica Neue, Helvetica, Tahoma, Arial, PingFang SC-Light, Microsoft YaHei;
	margin: 0;
	padding: 0;

}


.swiper{
	height: 600px;
}
.banner{
	width: 100%;
	position: relative;
	color: #fff;
	height: 600px;
}
.banner img {
	width: 100%;
}
.biglive_banner{
	position: relative;
	background: url(../img/biglive_banner.jpg) no-repeat;
	background-size: cover;
}

.biglive_banner h1{
	position: absolute;
	font-size: 60px;
	width: 100%;
	top: 180px;
	text-align: center;
}
.biglive_banner h3{
	position: absolute;
	font-size: 22px;
	font-weight: normal;
	width: 100%;
	top: 330px;
	text-align: center;
}
.biglive_banner a.btn_more{
	position: absolute;
	width: 150px;
	height: 40px;
	border: 1px solid #fff;
	font-size: 18px;
	font-weight: bold;
	text-align: center;
	top: 450px;
	left: calc(50% - 75px);
	border-radius: 4px;
	color: #fff;
	line-height: 40px;
}

.title h2{
	text-align: center;
	font-size: 40px;
	font-weight: bold;
	color: #181818;
	margin-bottom: 0;
	margin-top: 50px;
}

.title p{
	text-align: center;
	font-size: 16px;
	color: #999;
	margin-top: 0;
}

/* 列表 */
.items {
	display: flex;
	flex-direction: row;
	justify-content: space-between;
	flex-wrap: wrap;
	margin: 30px auto 10px;
}

.items li {
	background-color: #fff;
	box-shadow: 0 2px 6px rgba(0, 0, 0, .1);
	border-radius: 8px;
	margin-bottom: 28px;
	transition: 0.3s linear all;
	text-align: center;
	width: 280px;
}
.items li:hover {
	box-shadow: 0px 2px 6px 0px rgba(43,105,157,0.30);
	scale: 105%;
}
.items02 li:hover {
	box-shadow: 0px 2px 6px 0px rgba(18,188,219,0.30);
	scale: 105%;
}

.items>div {
	padding: 0px 14px 14px;
	width: 280px;
	height: 140px;
	color: #4f4f4f;
	position: relative;
}

.items i {
	width: 48px;
	height: 48px;
	margin-top: 26px;
	display: inline-block;
}
.items i.icon_biglive01 {
	background: url(../img/icon_biglive01.png) no-repeat;
	background-size: cover;
}
.items i.icon_biglive02 {
	background: url(../img/icon_biglive02.png) no-repeat;
	background-size: cover;
}
.items i.icon_biglive03 {
	background: url(../img/icon_biglive03.png) no-repeat;
	background-size: cover;
}
.items i.icon_biglive04 {
	background: url(../img/icon_biglive04.png) no-repeat;
	background-size: cover;
}
.items i.icon_biglive05 {
	background: url(../img/icon_biglive05.png) no-repeat;
	background-size: cover;
}
.items i.icon_biglive06 {
	background: url(../img/icon_biglive06.png) no-repeat;
	background-size: cover;
}
.items i.icon_biglive07 {
	background: url(../img/icon_biglive07.png) no-repeat;
	background-size: cover;
}
.items i.icon_biglive08 {
	background: url(../img/icon_biglive08.png) no-repeat;
	background-size: cover;
}

.items h3 {
	font-size: 20px;
	color: #181818;
	text-align: center;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	margin-top: 10px;
	margin-bottom: 12px;
}
.function p{
	color: #555;
	font-size: 14px;
}
.pro_txt{
	text-align: center;
	width: 243px;
	height: 70px;
	margin: 0 auto 5px;
	line-height: 180%;
	color: #555;
}

/* 产品功能特点 */
.function{
	padding-bottom: 40px;
}
.function01 h2, .function02 h2, .function03 h2, .function04 h2{
	font-size: 28px;
}

/* 应用场景 */
.scene{
	background-color: #F6F6F6;
	padding-top: 50px;
	padding-bottom: 20px;
}
.scene .title h2{
	margin-top: 0;
}
.scene .items li {
	position: relative;
	border-radius: 8px;
	width: 280px;
	height: 180px;
	overflow: hidden;
}
.scene .items li img {
	width: 100%;
	height: 100%;
}
.scene .items li .mask {
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	left: 0;
	text-align: center;
	text-shadow: 0 2px 5px BLACK;
}
.scene .items li .mask i {
	width: 48px;
	height: 48px;
	margin-top: 46px;
	display: inline-block;
}
.scene .items li .mask i.icon_scene01 {
	background: url(../img/icon_scene01.png) no-repeat;
	background-size: cover;
}
.scene .items li .mask i.icon_scene02 {
	background: url(../img/icon_scene02.png) no-repeat;
	background-size: cover;
}
.scene .items li .mask i.icon_scene03 {
	background: url(../img/icon_scene03.png) no-repeat;
	background-size: cover;
}
.scene .items li .mask i.icon_scene04 {
	background: url(../img/icon_scene04.png) no-repeat;
	background-size: cover;
}
.scene .items li .mask h4{
	width: 100%;
	height: 48px;
	font-size: 22px;
	color: #fff;
	text-align: center;
	margin-top: 14px;
}

.more {
	margin: 0 auto 40px;
	text-align: center;
}

.more a {
	width: 150px;
	height: 40px;
	line-height: 40px;
	border: 1px solid #0F55C8;
	border-radius: 3px;
	font-size: 18px;
	color: #0F55C8;
	text-align: center;
	display: inline-block;
}


/* 三步走 */
.step{
	background-color: #FFFFFF;
	padding-top: 50px;
	padding-bottom: 60px;
}
.step .title h2{
	margin-top: 0;
}
.step .items{
	width: 1200px;
	height: 314px;
	background: url(../img/bg_step.png) no-repeat center center;
	background-size: cover;
}
.step .items li {
	position: relative;
	border-radius: 8px;
	width: 380px;
	height: 360px;
	overflow: hidden;
	margin-bottom: 40px;
	background-color: transparent;
	box-shadow: none;
	padding:40px;
	box-sizing: border-box;
}
.step .items li:hover {
	scale: 100%;
}
.step .items li i {
	width: 81px;
	height: 81px;
	margin-top: 46px;
	display: inline-block;
}
.step .items li i.icon_step01 {
	background: url(../img/icon_step01.png) no-repeat;
	background-size: cover;
}
.step .items li i.icon_step02 {
	background: url(../img/icon_step02.png) no-repeat;
	background-size: cover;
}
.step .items li i.icon_step03 {
	background: url(../img/icon_step03.png) no-repeat;
	background-size: cover;
}
.step .items li h3{
	text-align: center;
	margin-top: 20px;
	margin-bottom: 10px;
}
.step .items li p{
	color: #8D8D8D;
	text-align: center;
	margin-top: 0;
	line-height: 180%;
} 