@charset "utf-8";
/* CSS Document */
body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, code, form, fieldset, legend, input, button, textarea, p, blockquote, th, td {
	margin:0;
	padding:0
}
fieldset, img {
	border:0
}
:focus {
	outline:0
}
address, caption, cite, code, dfn, em, strong, th, var, optgroup {
	font-style:normal;
	font-weight:normal;
}
h1, h2, h3, h4, h5, h6 {
	font-size:100%;
	font-weight:normal
}
abbr, acronym {
	border:0;
	font-variant:normal
}
a { text-decoration: none; }
a:hover { text-decoration: none; }


input, button, textarea, select, optgroup, option {
	font-family:inherit;
	font-size:inherit;
	font-style:inherit;
	font-weight:inherit
}
code, kbd, samp, tt {
	font-size:100%
}
input, button, textarea, select {
*font-size:100%
}
body {
	line-height:1.5
}
ol, ul {
	list-style:none
}
table {
	border-collapse:collapse;
	border-spacing:0;
}
caption, th {
	text-align:left
}
sup, sub {
	font-size:100%;
	vertical-align:baseline
}
:link, :visited, ins {
	text-decoration:none
}
blockquote, q {
	quotes:none
}
blockquote:before, blockquote:after, q:before, q:after {
	content:'';
	content:none
}
::-webkit-input-placeholder { /* WebKit browsers */
    color:    #ccc;
}
:-moz-placeholder { /* Mozilla Firefox 4 to 18 */
   color:    #ccc;
   opacity:  1;
}
::-moz-placeholder { /* Mozilla Firefox 19+ */
   color:    #ccc;
   opacity:  1;
}
:-ms-input-placeholder { /* Internet Explorer 10+ */
   color:    #ccc;
}


/* 返回顶部 */
.return_top{ position: fixed;right:0;bottom:100px;z-index: 1000;}
.return_top a{display: block; background: #2D90D4;width:70px;height:70px;color:#fff;margin-bottom:1px ;position: relative; text-align: center; }
.return_top a .show{position: absolute;right:70px;top:0;display: none; }
.return_top a .show img{width: 100%;}
.return_top a:nth-of-type(1){display: none;}
.return_top a:nth-of-type(2){ background: #32b16c;}
.return_top a:nth-of-type(2) .show{ background: #32b16c;width:140px ;height:140px;padding:5px;}
.return_top a:nth-of-type(3){ background: #f19149;}
.return_top a:nth-of-type(3) .show{ background: #f19149; width: 150px;height:70px;line-height: 70px; text-align: center;font-size: 18px;}
.return_top a dl dt{padding-top:8px;}
.return_top a dl dt img{width: 34px;margin:0 auto;height:34px; }
.return_top a dl dd{ text-align: center;font-size:14px;}
.return_top a:hover .show{display: block;}