*{ margin: 0; padding: 0;}
html{overflow-x:hidden;}

p,ul,li,span{ margin:0; padding:0;}
ul,li{ list-style: none;}
img{ border: none; display:block;}
h1,h2,h3,h4,h5,h6{ margin: 0; padding: 0; font-style: normal; font-weight: normal;}/*h1-h6可以作为普通的元素来使用*/
a:link,a:visited{ color: #2a2a2a; float: none; text-decoration: none;}/*当外部容器有浮动，里面的链接会跟着浮动，所以先清除*/
a:hover{ color: #fff600;  text-decoration: none;}
div{ margin:0;border:0;padding:0;}


/*辅助类*/
.fl{float:left}
.fr{float:right}
.clear{ clear:both;}

/*margin边距设置*/

.mt35{margin-top:35px !important;}
.mb35{margin-bottom:35px !important;}
.mt25{margin-top:25px !important;}
.mt15{margin-top:15px !important;}
.mt100{margin-top:100px !important;}
.ml20{margin-left:20px !important;}
.ml15{margin-left:15px !important;}
.mr15{margin-right:15px !important;}


/*背景颜色*/
.bggray{ background-color:#ececec;}


/*边框设置*/
.board img{ border:#dbdada 1px solid; padding:4px;}

/*宽度设置*/
.width01{ width:1150px; margin:0 auto;}
.width02{ width:1085px; margin:0 auto; padding-bottom:35px;}
.width03{ width:646px;}
.width04{ width:615px;}