body * {
  box-sizing: border-box;
  flex-shrink: 0;
}
body {
	font: 14px/1.5 PingFangSC-Regular, Roboto, Helvetica Neue, Helvetica, Tahoma, Arial, PingFang SC-Light, Microsoft YaHei;
	margin: 0;
	padding: 0;
}
button {
  margin: 0;
  padding: 0;
  border: 1px solid transparent;
  outline: none;
  background-color: transparent;
}

button:active {
  opacity: 0.6;
}
a:link, a:visited {
	text-decoration: none;
	color: #181818;
}
a:hover {
	text-decoration: none;
	color: #314D8C;
}
ul,li{
	list-style: none;
	margin:0;
	padding:0;
}
.clearfix::after {
    clear: both;
    content: " ";
    display: block;
    height: 0;
    overflow: hidden;
    visibility: hidden;
}
.fl {
	float: left;
}
.fr{
	float: right;
}
.flex-col {
  display: flex;
  flex-direction: column;
}
.flex-row {
  display: flex;
  flex-direction: row;
}
.flex-wap {
  flex-wrap: wrap;
}
.justify-start {
  display: flex;
  justify-content: flex-start;
}
.justify-center {
  display: flex;
  justify-content: center;
}

.justify-end {
  display: flex;
  justify-content: flex-end;
}
.justify-evenly {
  display: flex;
  justify-content: space-evenly;
}
.justify-around {
  display: flex;
  justify-content: space-around;
}
.justify-between {
  display: flex;
  justify-content: space-between;
}
.align-start {
  display: flex;
  align-items: flex-start;
}
.align-center {
  display: flex;
  align-items: center;
}
.align-end {
  display: flex;
  align-items: flex-end;
}
/* 头部 */
.container {
	width: 1200px;
	margin: 0 auto;
	position: relative;
}

.header {
	height: 100px;
}

.logo {
	width: 207px;
	height: 68px;
	background: url(../img/logo.png) no-repeat;
	background-size: cover;
	text-indent: -9999px;
	overflow: hidden;
	display: inline-block;
	margin-top: 12px;
	margin-left: 20px;
	margin-right: 60px;
}

a.top_link {
	font-size: 16px;
	line-height: 100px;
	margin-left: 20px;
}

.nav {
	position: absolute;
	height: 90px;
	line-height: 90px;
	border-bottom: 1px solid rgba(255,255,255,0.3);
	width: 100%;
	z-index: 999;
}

.nav .navmenu {
	/* display: flex;
	justify-content: space-around; */
}

.nav ul.mainmenu {
	display: flex;
	align-items: center;
	position: relative;
}
.nav ul.mainmenu i.active{
	width: 60px;
	height: 3px;
	background:linear-gradient(to right, #02CEF6 0%, #01A0E9 100%); 
	position: absolute;
	bottom: 0;
	left: 25px;
	transition: all 0.5s;
}
.nav ul.mainmenu li {
	text-align: center;
	display: flex;
	align-items: center;
	flex-shrink: 0;
	padding: 0 24px;
	position: relative;
}

.nav ul li a {
	color: #fff;
	font-size: 16px;
	font-style: normal;
	display: flex;
	place-items: center;
}

.nav ul li a.active {
	font-weight: 700;
}

/* .nav ul li a.sub::after { 
	content: "\e60a"; 
} */
.nav .submenu {
	display: none;
	position: absolute;
	background-color: #2392A0;
	top: 60px;
	left: 8px;
	z-index: 9;
}

.nav a.icon-sub:hover+.submenu,
.submenu:hover {
	display: block;
}

.nav .submenu li:hover {
	background-color: #219EA0;
}

.nav .contact {
	color: #fff;
	width: 127px;
	font-size: 16px;
	margin-right: 40px;
	/* flex: none;
	display: flex;
	place-content: flex-end; */
	
}

.nav .contact i.tel {
	width: 24px;
	height: 24px;
	display: inline-block;
	background: url(../img/icon_tel.png) no-repeat;
	background-size: cover;
	margin-top: 32px;
	float: left;
	margin-right: 10px;
}
.nav_b{
	opacity: 1;
	/* transform: translateY(-100%); */
	margin: 0 auto;
	transition: all 0.7s ease-out 0s;
}
.nav_s {
	height: 70px;
	line-height: 70px;
	background-color: rgba(0,0,0,.8);
	position: fixed;
	box-shadow: 6px 6px 26px rgb(253 253 253 / 15%);
	z-index: 9999;
	opacity: 0;
	transition: all 0.7s ease-out 0s;
}
.nav_s .logo{
	width: 150px;
	height: 48px;
}
.nav_s .contact i.tel{
	margin-top: 23px;
}
/**/
.cursor_none{
	cursor: auto;
}
.d_container{
			width:100%;
			margin:0 auto;
		}
.d_banner_big {
	font-size: 46px;
	font-weight: 600;
	text-align: center;
	color: #fff;
	padding-top: 350px;
}

.d_banner_title {
	font-size: 25px;
	width: 100%;
	text-align: center;
	color: #fff;
	margin-top: 25px;
}

.d_banner_small {
	width: 100%;
	font-weight: 600;
	margin-top: 25px;
	text-align: center;
	color: #fff;
	font-size: 25px;
}
/* 底部 */
.footer {
	background-color: #161C1A;
	color: #E6E5E5;
	font-size: 14px;
	max-width: 100%;
	margin: 0;
	padding: 20px 0;
	line-height: 200%;
}
.footer h3{
	font-size: 20px;
	margin-top: 10px;
	margin-bottom: 10px;
}
.footer p{
	margin:0;
}
.footer i.icon_tel, .footer i.icon_address{
	width: 22px;
	height: 22px;
	display: inline-block;
	background: url(../img/icon_tel2.png) no-repeat;
	background-size: contain;
	margin-right: 8px;
	float: left;
	margin-top: 4px;
}
.footer i.icon_address{
	background: url(../img/icon_address.png) no-repeat;
	background-size: contain;
}
.wechat{
	position: absolute;
	text-align: center;
	right: 0;
	top: -14px;
}
.wechat img{
	width: 120px;
	height: 120px;
}
.wechat p{
	margin-top: -8px;
}