*{margin:0;padding:0;-webkit-box-sizing:border-box;box-sizing:border-box;font-family:Microsoft YaHei;font-weight:400}.page,body,html{width:100%}body,html{margin:0;padding:0;-webkit-box-sizing:border-box;box-sizing:border-box}img{height:auto}div,img,li,p,span,ul{margin:0;padding:0;-webkit-box-sizing:border-box;box-sizing:border-box}a,dl,li,ol,ul{list-style:none;text-decoration:none}.flex,.flex-c{display:-webkit-box;display:-ms-flexbox;display:flex}.flex-c{-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center}.flex-column,.flex-column-c{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column}.flex-column-c{-webkit-box-align:center;-ms-flex-align:center;align-items:center}.flex-column-c,.jcontent-c{-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.jcontent-a{-ms-flex-pack:distribute;justify-content:space-around}.jcontent-b{-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between}.aitems-c{-webkit-box-align:center;-ms-flex-align:center;align-items:center}.flex-wrap{-ms-flex-wrap:wrap;flex-wrap:wrap}.h100{height:100%}.w100{width:100%!important}.w{width:1440px}.color-f{color:#fff}.back-f{background-color:#fff}