html,
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
input,
button,
dl,
dt,
dd,
ul,
li,
ol,
form,
th,
td {
	margin: 0;
	padding: 0;
}
html,
body {
	position: relative;
	width: 100%;
	height: 100%;
	font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
	/*禁止文字缩放*/
	-webkit-text-size-adjust: 100%;
	/*选中文字设置*/
	-webkit-user-select: none;
}
body {
	color: #333;
	line-height: 1.5;
	background-color: #fff;
	overflow-x: hidden;
	-webkit-overflow-scrolling: touch;
}
ul,
li,
ol {
	list-style: none;
}
img {
	display: block;
	border: 0;
}
a {
	color: #333;
	text-decoration: none;
}
/*清除点击阴影*/
a,
input,
button,
textarea {
	-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
	/*-webkit-tap-highlight-color: transparent*/
}
input::-webkit-input-placeholder,
textarea::-webkit-input-placeholder {
	color: #ccc;
}
/*消除圆角按钮（针对ios系统）*/
input,
button {
	-webkit-appearance: none;
	border-radius: 0;
	border: 0;
	outline: none;
	background-color: transparent;
}
/*解决无法获取焦点问题*/
*:not(input, textarea) {
	-webkit-touch-callout: none;
	-webkit-user-select: none;
}

/*弹性盒模型*/
.set-flex {
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
}
.set-grow {
	-webkit-box-flex: 1;
	-ms-flex: 1;
	flex: 1;
}
.set-align {
	-webkit-box-align: center;
	-ms-flex-align: center;
	align-items: center;
}
.set-ver {
	-webkit-box-orient: vertical;
	-webkit-box-direction: normal;
	-ms-flex-direction: column;
	flex-direction: column;
}
.set-center {
	-webkit-box-pack: center;
	-ms-flex-pack: center;
	justify-content: center;
}
.set-between {
	-webkit-box-pack: justify;
	-ms-flex-pack: justify;
	justify-content: space-between;
}
.set-around {
	-ms-flex-pack: distribute;
	justify-content: space-around;
}
.set-start {
	-webkit-box-pack: start;
	-ms-flex-pack: start;
	justify-content: flex-start;
}
.set-end {
	-webkit-box-pack: end;
	-ms-flex-pack: end;
	justify-content: flex-end;
}