/*滚动*/
#demo{overflow:hidden;width:86%;margin:0 auto;}
#indemo {float: left;width:800%}
#demo1 {float: left;}
#demo2 {float: left;}

#m_demo{overflow:hidden;width:100%;margin:0 auto;}
#m_indemo {float: left;width:800%}
#m_demo1 {float: left;}
#m_demo2 {float: left;}

#ydemo {
    overflow: hidden;
    margin: 0 auto;
    position: relative;
    height: 307px;
}

#yindemo {
    height: 100%;
}

#ydemo1 {}

#ydemo2 {}