:root{font-family:Microsoft YaHei,PingFang SC,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:22px;font-weight:400;font-size:16px;color:#999;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--primaryColor: #4384f9}html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,font,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,hr,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td{margin:0;padding:0;vertical-align:baseline;background:transparent;border:0;outline:0}body{background-color:#fff}ol,ul{list-style:none}img{pointer-events:none}blockquote,q{quotes:none}blockquote:before,blockquote:after,q:before,q:after{content:"";content:none}:focus{outline:0}ins{text-decoration:none}del{text-decoration:line-through}table{border-collapse:collapse;border-spacing:0}a{color:inherit;text-decoration:none}a:link,a:visited,a:hover,a:active{text-decoration:none}input,textarea{display:inline-block;box-sizing:border-box;border:0}button{background-color:transparent;border:0}.u-f,.u-f-jsb,.u-f-jc,.u-f-ac,.u-f-ajc,.u-f-d{display:flex}.u-f-jsb{display:flex;justify-content:space-between}.u-f-d{display:flex;flex-direction:column}.u-f-jc{display:flex;justify-content:center}.u-f-ac{display:flex;align-items:center}.u-f-ajc{display:flex;align-items:center;justify-content:center}