#app{box-sizing:border-box;overflow-x:initial;overscroll-behavior:none;max-width:unset}.flex{display:flex}.block{display:block}.grow1{flex-grow:1}.al-c{align-items:center}.ju-sb{justify-content:space-between}.ju-ar{justify-content:space-around}.ju-c{justify-content:center}.por{position:relative}.poa{position:absolute}.app-container{display:flex;flex-direction:column;min-height:100vh}.center{width:1300px;margin:0 auto}.main-content{flex:1;padding:20px 0;min-height:calc(100% - 40px)}.h100{height:100%}.w100{width:100%}.mt-10{margin-top:10px}.mt-20{margin-top:20px}.mt-20 img{width:100%}.ml-20{margin-left:20px}.mr-20{margin-right:20px}.pb-10{padding-bottom:10px}.pb-20{padding-bottom:20px}body{font-family:微软雅黑;font-size:12px;line-height:24px;position:relative;min-width:1520px}body,dd,div,dl,dt,h3,h4,img,li,ul{padding:0;margin:0;border:0}ul{list-style:none}a,a:hover{text-decoration:none}.clear{clear:both}.cp{cursor:pointer}.white{color:#fff}