/*广告轮播加入 start*/
.swipe {overflow: hidden;visibility: hidden;position: relative;}
.swipe-wrap {overflow: hidden;position: relative;}
.swipe-wrap > div {float:left;width:100%;position: relative;}
/*图片下边小圆点*/
#bullets {position: absolute;left: 0;right: 0;bottom: 2px;background: none;}
nav {background: #507fbd;font-size: 18px;}
#position {text-align: center;list-style: none;margin: 0;padding: 0;}
#position li {display: inline-block;width: 8px;height: 8px;border-radius: 10px;background: #fff;margin: 0 1px;}
#position li.current {background-color: #1293dc;}
/*广告轮播加入 end*/

.gray { 
-webkit-filter: grayscale(100%);				/* CSS3 filter方式，webkit内核方式，firefox外的绝大部分的现代浏览器*/  
-moz-filter: grayscale(100%);				/* 目前没有实现 */  
-ms-filter: grayscale(100%);  
-o-filter: grayscale(100%);  
filter: grayscale(100%);				/* CSS3 filter方式，标准写法*/  
filter: url('url("data:image/svg+xml;utf8,<svg%20xmlns='http://www.w3.org/2000/svg'><filter%20id='grayscale'><feColorMatrix%20type='matrix'%20values='0.3333%200.3333%200.3333%200%200%200.3333%200.3333%200.3333%200%200%200.3333%200.3333%
200.3333%200%200%200%200%200%201%200'/></filter></svg>#grayscale");')
filter: gray;
}