body,html{background:#fff;max-width:640px;margin:0 auto;height:100%;-ms-scroll-chaining:none;overscroll-behavior:none;-ms-touch-action:manipulation;touch-action:manipulation}body{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;overflow:hidden;position:fixed;-webkit-overflow-scrolling:touch}#app,body{width:100%}#app{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;height:100%;overflow:auto;-ms-scroll-chaining:none;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}#app .hasHeader{padding-top:44px}.invite-friend-page .van-overlay{z-index:999}.svg-icon[data-v-4e8feeab]{width:1em;height:1em;vertical-align:-.15em;fill:currentColor;overflow:hidden}