html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
margin: 0;
padding: 0;
border: 0;
//font: inherit;
vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
display: block;
}
*{
-webkit-touch-callout:none;
-webkit-user-select:none;
-khtml-user-select:none;
-moz-user-select:none;
-ms-user-select:none;
user-select:none;
}
input {
-webkit-user-select:auto;
}
body,html {
font-family: "SF Pro SC","SF Pro Text","SF Pro Icons","Apple WebExp Icons Custom","PingFang SC","Helvetica Neue",Helvetica,Arial,sans-serif;
line-height: 1;
background: #fff;
font-size: 10px;
color: #1d1d1f;
}
img {
	/* display: block; */
}
ol, ul {
list-style: none;
}
blockquote, q {
quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
content: '';
content: none;
}
table {
border-collapse: collapse;
border-spacing: 0;
}
* {
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
}
a {
text-decoration: none;
color: inherit;
}
section {
	position: relative;
}
.btn_a {
	position: absolute;
	bottom: 30px;
	left: 50%;
	transform: translateX(-50%);
	width: 225px;
}
.btn_img {
	display: block;
	width: 100%;
}
.wrap {
	
	font-size: 12px;
	color: #fff;
	line-height: 20px;
}
a[title='站长统计'] {
	display:none;
}
.pull-left {
float: left;
}
.pull-right {
float: right;
}
.text-center {
text-align: center;
}
.text-right {
	text-align: right;
}
.clearfix {
zoom: 1;
}
.clearfix:before,
.clearfix:after{
content: "";
display: table;
clear: both;
}
.text-overflow {
overflow: hidden;
white-space: nowrap;
text-overflow: ellipsis;
}
.pull-right {
	float: right;
}
.flex-box {
	display: -webkit-flex;
	display: flex;
}
.flex-li {
	flex: 1;
}
.text-center {
	text-align: center;
}
.text-right {
	text-align: right;
}

.footer {
	padding: 20px 10px 90px;
	color: #fff;
	line-height: 20px;
	background-color: rgba(141, 28, 24, 1);
}
.ICP {
	color: #fff;
	font-size: 12px;
}
.link {
	color: #71a49c;
	font-size: 12px;
}
.link a {
	display: inline-block;
	padding-left: 5px;
	padding-right: 5px;
	color: #fff;
}
.fixed {
	/* display: none; */
	position: fixed;
	left: 0;
	right: 0;
	bottom: 0px;
	
	/* padding: 10px; */
	/* background-color: rgba(20,83,248); */
}
.fixed .btn-group {
	padding-top: 15px;
	padding-bottom: 15px;
}

.img-block {
	display: block;
	width: 100%;
}
.btn-group {
	display: flex;
	padding: 0 15px 5px;
	background-color: #30373d;
}

.btn {
	display: block;
	/* width: 100%; */
	height: 48px;
	margin: 0 10px;
	line-height: 48px;
	text-align: center;
	color: #fff;
	font-size: 18px;
	background: #7ab3ff;
	/* font-weight: bold; */
	border-radius: 10px;
	border: 1px solid #3f6bd4;
	transition: all ease .3s;
}
main {
	/* padding-bottom: 110px; */
}

@media screen and (min-width: 500px){
	main {
		width: 375px;
		margin:0 auto;	
	}
	.fixed {
		width: 375px;
		left: 50%;
		margin-left: -187px;
	}
}
.first_bg {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100vh;
	z-index: 20;
}
#fixed_btn {
	opacity:0;
	left: 50%;
	transform:translate(-50%,100%);
	transition:all .3s;
	position: fixed;
}
#fixed_btn.show {
	opacity:1;
	transform:translateY(0);
	left: 50%;
	transform:translateX(-50%) ;
}