/* normalized */
html { font-size: calc(100vw / 7.5); }
body { margin: 0; font-family: "Microsoft YaHei, Arial, Helvetica, sans-serif"; font-size: .28rem; line-height: 1.5; color: #333; overflow: hidden; -webkit-user-select: none; -webkit-text-size-adjust: 100%; }

/* hgroup */
h1, h2, h3, h4 { margin: 0; }

/* list */
ul, ol, li, dd, dt { margin: 0; padding: 0; list-style: none; }

/* paragraph */
p { margin: 0; }

/* image */
img { object-fit: cover; border-style: none; }

/* button input */
button, input { background-color: transparent; margin: 0; padding: 0; outline: none; border: none; }
/* button */
button { cursor: pointer; }
/* input [number] */
input[type="number"] { -moz-appearance: textfield; }
input::-webkit-outer-spin-button, input::-webkit-inner-spin-button { -webkit-appearance: none; }

/* strong em */
strong, em { font-weight: 400; font-style: normal; }

/* link */
a { background-color: transparent; text-decoration: none; color: inherit; }