.photo {width:500px; height:340px; text-align:left; position:relative; margin:30px 0 0 20px;}

.photo ul.topic {padding:0; margin:0; list-style:none; width:500px; height:500px; position:relative; z-index:10;}

.photo ul.topic li {display:block; width:90px; height:31px; float:left;}
.photo ul.topic li a.set {display:block; font-size:11px; width:90px; height:30px; 
text-align:center; line-height:30px; color:#000; text-decoration:none; border:1px solid #e1e1e1; border-width:1px 1px 0 0; background:#f4f4f4; font-family:verdana;}

.photo ul.topic li a ul, 
.photo ul.topic li ul 
{display:none;}

.photo ul.topic li.active a
{color:#000; background:#f0f0f0;  border:1px dotted #bbb;}

.photo ul.topic li a:hover,
.photo ul.topic li:hover a
{color:#1b1b1b; background:#e0e0e0;}

.photo ul.topic li.active ul
{display:block; position:absolute; left:0; top:31px; list-style:none; padding:0; margin:0; height:400px; background:#f0f0f0; width:500px; padding:40px 50px; border:1px dotted #bbb; z-index:1;}

.photo ul.topic li a:hover ul, 
.photo ul.topic li:hover ul
{display:block; position:absolute; left:0; top:31px; list-style:none; padding:0; margin:0; height:400px; background:#ddd; width:500px; padding:40px 50px; border:1px dotted #bbb; z-index:100;}

.photo ul.topic li ul li
{display:inline; width:112px; height:87px; float:left; border:0px solid #fff; margin:1px;}

.photo ul.topic li ul li a
{display:block; width:110px; height:85px; cursor:default; float:left; text-decoration:none; background:#444; border:1px solid #888;}

.photo ul.topic li ul li a img
{display:block; width:100px; height:75px; border:5px solid #eee;}

.photo ul.topic li a:hover ul li a:hover, 
.photo ul.topic li:hover ul li a:hover 
{white-space:normal; position:relative;}

.photo ul.topic li a:hover ul li a:hover img, 
.photo ul.topic li:hover ul li a:hover img 
{position:absolute; left:-50px; top:-32px; width:200px; height:150px; border-color:#fff;}