/*公用样式*/
a{text-decoration: none;color:#000;}
*{margin:0;padding:0;box-sizing:border-box;}
li{list-style: none}
b{font-weight: normal;}
em,i{font-style: normal;}
html,body{width:100%;height:100%;}
input,button,select{outline: none;background:none;border:none;}
button{cursor:pointer;}
img{border:none;}
.lf{float: left}
.rf{float: right}
.whole{width:1100px;margin:0 auto;}
input[type='number'] {
      -moz-appearance:textfield;
    }
input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button {
  -webkit-appearance:none;
  margin:0;
}
.indexHerd{
	width:100%;
	min-width: 1200px;
	height:186px;
}
.indexBigImg{
	width: 100%;
    min-width: 1200px;
    max-width: 1600px;
    margin: 0 auto;
}
.indexBigImg img{
	width:100%;
	height:auto;
}
.indexBot{
	width: 100%;
  margin-top: 70px;
  min-width: 1200px;
  height: auto;
}