* {
	padding: 0;
	margin: 0
}

li,
ol,
ul {
	list-style: none
}

a {
	text-decoration: none;
	color: #262626;
}

img {
	max-width: 100%;
	vertical-align: top;
	height: auto;
}

input,
select,
button,
textarea {
	border: none;
	border-radius: 0;
	font-family: Microsoft YaHei, Helvetica, Arial;
	font-size: 1.4rem
}

input,
textarea {
	outline: 0;
	-webkit-appearance: none
}

a,
span {
	-webkit-tap-highlight-color: rgba(255, 255, 255, 0);
}

.ellipsis {
	text-overflow: ellipsis;
	overflow: hidden;
	white-space: nowrap;
	display: block;
}

header>a>img:nth-child(1){display: block;}
header>a>img:nth-child(2){display: none;}
.banner{margin-top: 80px;}
@media screen and (max-width:768px ) {
	.banner{margin-top: 60px;}
	.banner img{height: 200px;object-fit: cover;}	
}