html {
    color: #000;
    overflow-y: scroll;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%
}

html * {
    outline: 0;
    -webkit-text-size-adjust: none;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0)
}

body {
    background: #f2f2f2;
    color: #4a4f5a;
    height: 100vh;
    font: 400 14px/1.5 "微软雅黑", Helvetica, STHeiti, Droid Sans Fallback;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, code, form, fieldset, legend, input, textarea, p, blockquote, th, td, hr, button, article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
    margin: 0;
    padding: 0
}

input, select, textarea {
    font-size: 100%
}

article, aside, footer, header, nav, section, audio, canvas, video, img {
    display: block;
}

table {
    border-collapse: collapse;
    border-spacing: 0
}

fieldset, img {
    border: 0
}

abbr, acronym {
    border: 0;
    font-variant: normal
}

del {
    text-decoration: line-through
}

address, caption, cite, code, dfn, em, th, var {
    font-style: normal;
    font-weight: normal
}

ol, ul {
    list-style: none
}

caption, th {
    text-align: left
}

h1, h2, h3, h4, h5, h6 {
    font-size: 100%;
    font-weight: normal
}

q:before, q:after {
    content: ''
}

button {
    outline: 0;
    border: none;
}

a:hover {
    text-decoration: none
}

ins, a {
    text-decoration: none
}

textarea {
    resize: none;
}

iframe, img {
    border: 0;
}

img {
    display: inline-block;
    /*width: 100%;*/
}

ul, ol {
    list-style: none;
}

input, select, textarea {
    outline: 0;
    -webkit-user-modify: read-write-plaintext-only;
}

input {
    -webkit-appearance: none;
}

.pr {
    position: relative;
}

.abs {
    position: absolute
}

.fl {
    float: left;
    display: inline-block;
}

.fr {
    float: right;
    display: inline-block;
}
*{
    box-sizing: border-box;
}