/**一些初始化*/
body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,textarea,p,blockquote,th,td{margin:0;padding:0;}
table{border-collapse:collapse;border-spacing:0;}
fieldset,img{border:0;}
address,caption,cite,code,dfn,em,strong,th,var{font-style:normal;font-weight:normal;}
ol,ul{list-style:none;}
caption,th{text-align:left;}
h1,h2,h3,h4,h5,h6{font-size:100%;font-weight:normal;}
q:before,q:after{content: '';}
abbr,acronym{border:0;}
body{color:#666; background-color:#fff;font: 12px/1.5 '΢���ź�',tahoma,arial,'Hiragino Sans GB',����,sans-serif;}
.clearfix:after {visibility:hidden;display:block;font-size:0;content:" ";clear:both;height:0;}
.clearfix {zoom:1;}

/*****   轮播广告  *******/
.rollad{
    width: 650px;
    height: 300px;
    margin: 50px auto;
    position: relative;
}
.rollad .roll-list{
    width: 1000px;
    height: 300px;
}
.rollad .roll-list .roll-item{
    width: 650px;
    height: 300px;
    position: absolute;
    top: 10px;
    left: 140px;
}

.rollad .roll-btn{
    width: 100%;
    height: 300px;
    position: absolute;
    top: 0;
    margin-top: 10px;
    z-index: 22;
/*    display: none;*/
}
.rollad .roll-btn span{
    display: block;
    width: 80px;
    height: 300px;
/*    align-items: center;*/
}
.rollad .roll-btn span.left_btn,.left_btn img{
    float: left;
    left: 10px;
}
.rollad .roll-btn span.right_btn,.right_btn img{
    float: right;
    right: 10px;
}
.rollad .roll-btn img{
    width: 20px;
    height: 38px;
    display: block;
    position: absolute;
    top: 50%;
    margin-top: -19px;
    vertical-align: middle;
}
.rollad .roll-btn img:hover{
	cursor:pointer;
}
.right_btn img{
    
}