body,p,h1,h2,h3,h4,h5,h6,ul,ol,li,dl,dt,dd,table,th,td,form,fieldset,legend,input,textarea,button,select {margin: 0;padding: 0;}
html{display:block;font-size: 62.5%;/*10 ÷ 16 × 100% = 62.5%*/}
h1,h2,h3 {font-size:100%}
a{text-decoration:none;cursor:pointer;color:#545454}
body{font-size:14px;width:100%;min-width: 1200px;font-family:"微软雅黑", "iconfont";}
input,textarea,select,button {font-size:100%}
body,input,button,textarea,select,option {font-size:normal}
img,fieldset {border:0;}
ul,ol {
    list-style: none;
}
em,address {
    font-style: normal;
}
table {
    border-collapse: collapse;
    border-spacing: 0;
    empty-cells: show;
    font-size: inherit
}
li,img,label,input {
    vertical-align: middle;
}
/**, *:before, *:after {box-sizing: border-box; }*/
.clearfix:before,
.clearfix:after {
    content: "\0020";
    display: block;
    height: 0;
    overflow: hidden;
}
.clearfix:after {
    clear: both;
}
.clearfix {
    zoom: 1;
}
html,
body {
	width: 100%;
	height: 100%;
}

a {
    color: #7C8187;
    -webkit-tap-highlight-color:rgba(255,0,0,0);
}


.banner {
	/* width: 570px; */
	overflow: hidden;
	padding-right:30px;
	background: #FFFFFF;
	padding-bottom: 30px;
}

.large_box {
	margin-bottom: 15px;
	width:200px;
	height: 200px;
	overflow: hidden;
	border: 1px solid #74899b;
}

.large_box img {
	display: block;
	width:200px;
	height: 200px;
}

.small_box {
	width: 570px;
	height: 82px;
	overflow: hidden;
	background: #FFFFFF;
}

.small_list {
	position: relative;
	float: left;
	width: 520px;
	height: 82px;
	overflow: hidden;
}

.small_list ul {
	height: 86px;

}

.small_list ul li {
	width:80px;
	height:80px;
	overflow:hidden;
	position: relative;
	float: left;
	margin-right: 22px;
	border: 1px solid #74899b;

}

.small_list ul li img {
	display: block;
	width:80px;
	height:80px;
}

.small_list ul li .bun_bg {
	display: none;
	position: absolute;
	top: 0;
	left: 0;
	width: 80px;
	height: 80px;
	background: #000;
	filter: alpha(opacity=60);
	-moz-opacity: 0.2;
	-khtml-opacity: 0.2;
	opacity: 0.2;
	cursor: pointer;
}

.small_list ul li.on .bun_bg {
	display: block;
}

.btn {
	display: block;
	width: 20px;
	height: 80px;
	
	background-repeat: no-repeat;
	background-position: center center;
	cursor: pointer;
}

.left_btn {
	float: left;
	margin-right: 10px;
	background: url(../img/proDetails_31.png) center center no-repeat;
}

.right_btn {
	float: right;
	background: url(../img/proDetails_32.png) center center no-repeat;
}