* { box-sizing:border-box; font:inherit;}
body,
dl, dt, dd, ul, ol, li,
h1, h2, h3, h4, h5, h6,
pre, code, form, fieldset, legend, input, textarea,
p, blockquote, hr, button,
article, aside, details, figcaption, figure, footer, header, menu, nav, section {
  margin:0;
  padding:0;
  border:0;
	outline: 0;
	vertical-align: baseline;
}
ul, ol {list-style: none;}
table {border-collapse:collapse; border-spacing:0;}
a {text-decoration:none; outline:none; -webkit-tap-highlight-color: transparent;}/* 默认不要下划线 */
img { max-width:100%; border:none; vertical-align:middle;}
img:not([src]),img[src=""] {opacity:0;}/* 加载不出来的图片不要显示灰色边框 */

input, select, button, textarea { -webkit-tap-highlight-color: rgba(0, 0, 0, 0);}
input[type="button"], input[type="submit"], input[type="reset"], input[type="date"], button { -webkit-appearance: none;  user-select:none;}
::-webkit-outer-spin-button, input::-webkit-inner-spin-button { -webkit-appearance: none !important;  margin: 0;}
::-webkit-input-placeholder, textarea::-webkit-input-placeholder {color: #666;}
::-webkit-search-cancel-button,
::-webkit-clear-button,
::-webkit-inner-spin-button,
::-webkit-calendar-picker-indicator {display: none;}