.changeBox_a1{
width:100%;
height:475px;
position:relative;}
#change_33{height:395px !important;}
#change_33 .changeDiv h3 a{max-width:500px;overflow: hidden;text-overflow: ellipsis;white-space: nowrap;}
.changeBox_a1 .a_bigImg img{
position:absolute;
max-width:1920x;
top:0;left:0;
display:none;}


.changeDiv{
position:absolute;
top:0;left:0;
display:none;}

.changeDiv h3{
position:absolute;
left:0px;bottom:0;
width:100%;
height:35px;line-height:35px;
background:#000;
filter:alpha(opacity=80);
opacity:0.8;}
.changeDiv h3 a{display:block;font-size:14px;font-weight:100;padding-left:20px; color:#fff;}


/* ul_change_a2 */
#change_32 .ul_change_a2{bottom:30px;}
.ul_change_a2{position:absolute;right:5px; bottom:7px;padding-left:19px;overflow:hidden; }
#change_33 .ul_change_a2 li{margin-right:8px;float:left;}
#change_33 .ul_change_a2 span{width:9px;height:9px;border-radius:50%;cursor:pointer;background-color:#a3a5a8;display:block;}
#change_32 .ul_change_a2 li{margin-right:20px;float:left;cursor:pointer;border-radius: 50%;}
#change_32 .ul_change_a2 span{width:90px;
    height:90px;
    color: #2b86d9;
    display: block;
    font-size:14px;
	color:#010101;
    text-align: center;
    float: left;
    box-sizing: border-box;
    border: 3px solid #000;
    border-radius: 50%;}
#change_32 .ul_change_a2 li span{border-color:#2b86d9;color:#0774d9;font-weight:bold;}
#change_32 .ul_change_a2 li span.on{background-color:#2b86d9;color:#fff;}
#change_32 .ul_change_a2 li:first-child span{padding:25px 24px 0;}
#change_32 .ul_change_a2 li:nth-child(2) span{padding:23px 10px 0;}
#change_32 .ul_change_a2 li:nth-child(3) span{padding:26px 4px 0;}



#change_33 .ul_change_a2 span.on{background:#fff;}
#change_32 .ul_change_a2 li{filter:progid:DXImageTransform.Microsoft.gradient(enabled='true',startColorstr='#A5E4ECED', endColorstr='#A5E4ECED');background:rgba(228,236,237,0.65);}
:root #change_32 .ul_change_a2 li{filter:progid:DXImageTransform.Microsoft.gradient(enabled='true',startColorstr='#00E4ECED', endColorstr='#00E4ECED');}/*for IE9*/
或者ie9的hack使用： 
:root #change_32 .ul_change_a2 li{filter:none;}/*for IE9*/