* { box-sizing: border-box; }
html, body, #app { min-height: 100%; }
body { margin: 0; color: #fff; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif; }
img { display: block; border: 0; }
button { font: inherit; }
.mianHome { width: 100%; }