* {
	margin: 0;
	padding: 0;
}

@font-face {
	font-family: 'font';
	src: url('../font/SourceHanSansSC-Regular.otf') format('woff2'),
		/* 现代浏览器 */
		url('../font/SourceHanSansSC-Regular.otf') format('woff');
	/* 兼容老版本浏览器 */
}

body {
	position: absolute;
	width: 100%;
	height: 100%;
	top: 0;
	left: 0;
	font-family: 'font';
	overflow: hidden;
	/* min-width: 1170px; */

}

img {
	width: 100%;
	display: block;
}

.header_div {
	width: 100%;
	height: 80px;
	position: relative;
	margin: 0 auto 0;
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.header_leftdiv {
	display: flex;
	align-items: center;
}

.logo {
	width: 117px;
	margin-left: 20px;
	cursor: pointer
}

.logo:hover {}

.header_title {
	font-size: 18px;
	height: 80px;
	display: flex;
	align-items: center;
	justify-content: center;
	margin-left: 60px;
	font-family: 'font';
	cursor: pointer;
	text-align: center;
	 white-space: nowrap;
}

.header_title:hover {
	color: #11a5f0;
	font-weight: bold;
}

.dropdown_container {
	position: relative;
}

.dropdown_menu {
	position: absolute;
	top: 90%;
	left: 50%;
	transform: translateX(-50%);
	background-color: #ffffff;
	border-bottom-left-radius: 10px;
	border-bottom-right-radius: 10px;
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
	padding: 10px 0;
	min-width: 150px;
	text-align: center;
	z-index: 999;
	display: none;
}

.dropdown_container:hover .dropdown_menu {
	display: block;
}

.dropdown_item {
	padding: 10px 20px;
	cursor: pointer;
	font-size: 14px;
	color: #333;
	transition: all 0.3s ease;
}

.dropdown_item:hover {
	background-color: #f5f5f5;
	color: #11a5f0;
	font-weight: bold;
}

.dropdown_item.selected {
	color: #11a5f0;
	font-weight: bold;
}

.dropdown_item.selected:hover {
	background-color: #f5f5f5;
	color: #11a5f0;
	font-weight: bold;
}

.header_rightdiv {
	width: 125px;
	margin-right: 30px;
	cursor: pointer;
	position: relative;
}

.content {
	width: 100%;
	height: calc(100% - 80px);
	position: relative;
}

iframe {
	position: absolute;
	width: 100%;
	height: 100%;
	top: 0;
	left: 0;
	border: none;
}

.selected {
	color: #11a5f0;
	font-weight: bold;
}

.videoalert_page {
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	left: 0;
	background-color: rgba(0, 0, 0, 0.7);
	z-index: 9999;
	display: none;
}

.videoaleet_bg {
	width: 70%;
	/* min-width: 1020px; */
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
}

.videoalert_closebtn {
	width: 43px;
	position: absolute;
	right: -35px;
	top: 0;
}

.videoalert_title {
	font-size: 40px;
	position: absolute;
	left: 20px;
	top: 15px;
	color: #fff;
}

.videoaleet_video {
	position: absolute;
	width: 99%;
	height: 99%;
	top: 0.5%;
	left: 0.3%;
	object-fit: cover;
	border-radius: 10px;
	overflow: hidden;
	/* border: 1px solid #c6c6c6; */
}

.lang_select{
	position: absolute;
	width: 120px;
	top: 100%;
	left: 0;
	z-index: 999;
	background-color: #ffffff;
	padding-top: 10px;
	padding-bottom: 10px;
	border-radius: 10px;
}

.select_line{
	width: 80px;
	margin: 0 auto 0;
	height: 2px;
	background-color: #dfdfdf;
}

.lang_item{
	width: 80px;
	margin: 15px auto;
}

@media screen and (max-width: 1800px) {
	.header_title {
		font-size: 14px;
		margin-left: 40px;

	}

}

@media screen and (max-width: 1400px) {
	.header_title {
		font-size: 16px;
		margin-left: 40px;

	}
	
	.videoaleet_bg{
		width: 85%;
	}
}


@media screen and (max-width: 1100px) {
	.header_title {
		font-size: 14px;
		margin-left: 20px;

	}
	
	.videoaleet_bg{
		width: 85%;
	}
}