/*统一浏览器默认样式*/
body, h1, h2, h3, h4, h5, h6, hr, p, blockquote,dl, dt, dd, ul, ol, li,pre,form, fieldset, legend, button, input, textarea,th, td{margin:0;padding:0;}
body,button, input, select, textarea{font: 12px/1.75 tahoma, arial, \5b8b\4f53, sans-serif;}
h1, h2, h3, h4, h5, h6 { font-size: 100%; }
ul, ol,li { list-style: none; }
a { text-decoration: none; }
a:hover { text-decoration: underline; }
img { border: 0; }
button, input, select, textarea { font-size: 100%; } 

html,body{width:100%;}

body{word-wrap:break-word;white-space:-moz-pre-wrap;}
/*定义清除浮动样式*/
.solid:after{content:'\20';display:block;height:0;clear:both;}
.solid{*zoom:1;}
.floor{width:950px; margin:0 auto;}
.floor1{ width:915px; margin:0 auto;}
.top{ height:150px; background:url(images/top.jpg); position:relative;}
.top a.logo{ width:130px; height:40px; display:block; position:absolute; top:6px; left:30px; color:#021c68;}
.top p{width:460px; height:55px; position:absolute; top:86px; left:30px; color:#021c68; line-height:18px; text-indent:2em;}

/*知识点*/
.zsd_con{ border-left:solid 1px #c6e0f2; border-right:solid 1px #c6e0f2; padding:10px 20px; background:#ffffff;}
.zsd_con li{ font-family:宋体; line-height:26px; width:395px; border-bottom:dotted 1px #919191;}
.zsd_con li a{ color:#333333;}

/*课件*/
.kejian_con{ border-left:solid 1px #c6e0f2; border-right:solid 1px #c6e0f2; padding:10px 20px; background:#f2fbff url(images/kejian_bg.jpg) center bottom repeat-x;}
.kejian_con li{ font-family:宋体; line-height:26px; width:395px; border-bottom:dotted 1px #919191;}
.kejian_con li a{ color:#333333;}

/*你问我答*/
.ask_con{ border-left:solid 1px #c6e0f2; border-right:solid 1px #c6e0f2; padding:10px 20px 0 0; background:#ffffff; border-bottom:solid 4px #a3cdee;}
.ask_con .l{ width:494px; float:left;}
.ask_con .l .ul1{ width:400px; padding-left:20px}
.ask_con .l .ul1 li{ line-height:26px; border-bottom:dotted 1px #919191; font-family:宋体;}
.ask_con .l .ul1 li a{ color:#333333;}
.ask_con .l .ask_btn{ margin-right:70px; margin-top:10px; margin-bottom:10px;}
.ask_con .l .ask_btn a{width:137px; height:35px; display:block; float:right; background:url(images/ask_btn.jpg);}
.ask_con .l .ul2{ width:462px; padding:20px 15px; border-right:solid 1px #c6e0f2; background:#f6fdff url(images/bbs_bg.jpg) center bottom repeat-x;}
.ask_con .l .ul2 li{ border-bottom:dotted 1px #919191; line-height:26px; font-family:宋体;}
.ask_con .l .ul2 a{ color:#333333;}
.ask_con .r{ float:left; width:399px;}
.ask_con .r li{ width:133px; float:left; margin-top:30px;}
.ask_con .r li p{ text-align:center;}
.ask_con .r li p a{ color:#333333;}
.ask_con .r .fudao_btn{ width:104px; height:25px; display:block; background:url(images/fudao_btn.jpg); margin:0 auto;}
.an{ width:910px; height:55px; background:url(images/an.jpg); padding:15px 20px; text-indent:10em; color:#333333;}