body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, input, button, p, th, td {
	margin: 0;
	padding: 0;
}

body {
	background-color: #ffffff;
}

a, img {
	border: 0;
}

body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, form, fieldset, button {
	margin: 0;
	padding: 0;
	border: none;
}

dl, dt, dd, ul, ol, li, p {
	list-style-type: none;
	margin: 0;
	padding: 0;
}

em, cite, th, h1, h2, h3, h4, h5, h6, i {
	font-style: normal;
	font-weight: normal;
}

input {
	vertical-align: middle;
}

html, body {
	max-width: 75rem;
	margin: 0 auto;
}

body {
	color: #333;
	margin: 0 auto;
	font-family: "微软雅黑", "宋体", Arial, Helvetica, sans-serif;
}

h1, h2, h3, h4 {
	font-family: "微软雅黑", "宋体", Arial, Helvetica, sans-serif;
}

a {
	text-decoration: none;
	cursor: pointer;
}

a:hover {
	color: #fff;
	text-decoration: none;
}

input:focus, textarea:focus {
	outline: none;
}

img {
	display: block;
}

span {
	color: #8d03f4;
}

button {
	border: 0;
	background-color: transparent;
	outline: none;
}

.header_download {
	width: 100%;
	height: 44px;
	background-color: #fff;
	display: block;
}

.header_download .appname_sm img {
	width: 32px;
	margin-top: 6px;
	margin-left: 10px;
	float: left;
	margin-right: 10px;
}

.header_download .appname_sm {
	font-size: 14px;
	line-height: 44px;
	float: left;
}

.header_download .download_btn a {
	width: 90px;
	height: 32px;
	border-radius: 30px;
	background-color: rgb(245, 204, 43);
	text-align: center;
	color: #88531f;
	font-size: 14px;
	float: right;
	margin-top: 6px;
	margin-right: 10px;
	display: block;
	line-height: 32px;
}

.chat-banner {
	background: url(../img/banner_bg.jpg) 50% 50%/cover no-repeat;
	padding: 30px 0;
	color: #fff;
	text-align: center;
}

.chat-banner .applogo img {
	width: 53px;
	margin: 0 auto;
	margin-top: 20px;
}

.chat-banner .appname {
	font-size: 32px;
	margin-top: 15px;
}

.chat-banner .download_btn  img {
	width: 160px;
	margin: 0 auto;
	margin-top: 20px;
}

.coverType {
	font-size: 0;
	letter-spacing: -4px;
	margin-bottom: 40px;
	margin: 10px;
}

.column_cont1 .bt img {
	width: 100%;
	margin-top: 30px;
}

.coverType .coverType_li {
	width: calc(50% - 20px);
	padding: 0;
	display: inline-block;
	margin: 10px;
	border-radius: 10px;
	background-color: rgb(255, 255, 255);
	box-shadow: -0.518px 1.932px 15.68px 0.32px rgba(93, 177, 255, 0.2);
	padding-bottom: 20px;
}

.coverType .coverType_li .txt_h1 {
	color: #333;
	font-size: 16px;
	text-align: center;
	letter-spacing: 0px;
}

.coverType .coverType_li img {
	width: 75px;
	margin: 0 auto;
	display: block;
	margin-top: 30px;
	margin-bottom: 15px;
}

.column_cont2 {
	position: relative;
}

.column_cont2 .cont2_btn {
	width: 80px;
	height: 32px;
	position: absolute;
	left: 38%;
	top: 20%;
}

.column_cont2 {
	background: url(../img/colunm_2.png) no-repeat;
	background-size: 100% 100%;
	-moz-background-size: 100% 100%;
	padding-bottom: 157%;
	height: 0;
	width: 100%
}

.column_cont3 {
	background: url(../img/colunm_3.png) no-repeat;
	background-size: 100% 100%;
	-moz-background-size: 100% 100%;
	padding-bottom: 106%;
	height: 0;
	width: 100%
}

.column_cont4 {
	background: url(../img/colunm_4.jpg) no-repeat;
	background-size: 100% 100%;
	-moz-background-size: 100% 100%;
	padding-bottom: 95.3%;
	height: 0;
	width: 100%;
}

.copyright {
	background-color: #208df8;
	width: 100%;
	color: #fff;
	text-align: center;
	padding: 24px 0;
}

.copyright h5, .copyright h6 {
	font-size: 12px;
	line-height: 20px;
}

.copyright img {
	margin: 0 auto;
}

.fixed {
	position: fixed;
	left: 0;
	bottom: 0px;
}

.footer_down {
	width: 100%;
	height: 80px;
	background-color: rgba(255, 255, 255, 0.3);
}

.footer_down::after {
	content: '下载恢复';
	font-size: 16px;
	color: #8c560e;
	position: absolute;
	bottom: 16px;
	border-radius: 30px;
	left: calc(50% - 60px);
	display: block;
	background-image: -moz-linear-gradient(90deg, rgb(244, 187, 31) 0%, rgb(242, 207, 35) 100%);
	background-image: -webkit-linear-gradient(90deg, rgb(244, 187, 31) 0%, rgb(242, 207, 35) 100%);
	background-image: -ms-linear-gradient(90deg, rgb(244, 187, 31) 0%, rgb(242, 207, 35) 100%);
	box-shadow: -1.035px 3.864px 6.86px 0.14px rgba(244, 189, 31, 0.2);
	text-align: center;
	line-height: 44px;
	width: 130px;
	height: 44px;
}