main>.main_tit:nth-child(5)+img{width:920px;height:516px}.main_plant{position:relative}.main_plant>p:first-child{position:absolute;top:-120px;text-align:center;width:100%;font-weight:500;color:#333;font-size:18px}.header_bot{background:url(../img/breed_bg.png) center center;background-size:cover;background-repeat:no-repeat}.header_bot>div>p:first-child{font-size:66px;font-family:ZhenyanGB;font-weight:400;letter-spacing:3px;font-style:italic;color:#fff;line-height:44px;text-shadow:1px 2px 8px rgba(140,92,20,0.3)}.has_height{height:70px;display:none}