.bigbox{min-width:1000px}.tiaojianchaxun{margin-top:1%}.tiaojianchaxunBtn{margin-Top:1%}.kaihuBtn{margin-top:-30px}.kaihuBtn button{margin-top:2%;margin-bottom:1%}.fengyeanniu{margin-top:1%;margin-left:35%}.selLenthStyle{width:15%}