* {
	padding: 0;
	margin: 0;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
}
body{
    overflow: hidden;
    background: #fff;
    color: #444;
}   


:root{
	--main-blue: #1b7be1;
	--main-orange: #ff6600;
}

a{
    color: #222;
}

a .img{
	background-size: cover;
	background-position: center;
}
a .img{
	transition: all 0.3s;
}
a:hover .img{
	-webkit-filter:saturate(1.15) contrast(1.15) brightness(1.1);
}


/* start 元素渐隐 渐现样式 */
.flex-table{
	display: -webkit-flex;
	display: -moz-box;
	display: -ms-flexbox;
	display: flex;
	-webkit-justify-content: flex-start;
	   -moz-box-pack: start;
	    -ms-flex-pack: start;
	        justify-content: flex-start;
	-webkit-align-items: stretch;
	   -moz-box-align: stretch;
	    -ms-flex-align: stretch;
	        align-items: stretch;
	-webkit-flex-wrap: wrap;
	    -ms-flex-wrap: wrap;
	        flex-wrap: wrap;
}

body:before{
    content: '';
    color: #cc0000;
    width: 100%;
    height: 20px;
    top: 0; left: 0; position:fixed;
    z-index: 999999999;
    display: none;
}

.mobile{
	display: none;
}

.wapper{
	width: 1200px;
	margin: 0 auto;
}

header{
	padding: 32px 0 24px 0;
}
header .wapper{
	display: flex;
	align-items: center;
	justify-content: space-between;
}
header .wapper .logo img{
	width: auto;
}
nav{
	display: flex;
	align-items: center;
	font-size: 20px;
	color: #444;
	flex: 1;
	margin-left: 48px;
}
nav a.menu{
	flex: 1;
	text-align: center;
}

.main{
	width: 100%;
	height: auto;
	overflow: hidden;
}
.main img{
	width: 100%;
}