body,
h1,
h2,
h3,
h4,
h5,
h6,
dl,
dt,
dd,
ul,
ol,
li,
a,
img,
input,
button,
textarea,
form,
span,
section,
header,
footer,
article {
    margin: 0;
    padding: 0;
    outline: 0;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-overflow-scrolling: touch;
}

a,
input,
textarea,
button,
select,
img {
    /*使用appearance改变webkit浏览器的默认外观*/
    -webkit-appearance: none;
    /*IOS下可使用 -webkit-text-size-adjust禁止用户调整字体大小*/
    -webkit-text-size-adjust: none;
    /*去掉点击元素产生背景或边框*/
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

a,
button,
select,
img {
    /*禁止长按链接与图片弹出菜单*/
    -webkit-touch-callout: none;
    /*禁止ios和android用户选中文字*/
    -webkit-user-select: none;
}

main,
section,
article,
aside,
footer,
header,
figure {
    display: block;
}

fieldset,
hr,
img {
    border: 0
}

blockquote,
body,
button,
dd,
dl,
dt,
fieldset,
figcaption,
figure,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
input,
legend,
li,
ol,
p,
pre,
td,
textarea,
th,
ul {
    margin: 0;
    padding: 0
}

body,
button,
input,
select,
textarea {
    font: 12px/1 Lucida Grande, 'Microsoft YaHei', "Lucida Grande", "Lucida Sans Unicode", Helvetica, Arial, Verdana, sans-serif
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 400
}

h1 {
    font-size: 18px
}

h2 {
    font-size: 16px
}

h3 {
    font-size: 14px
}

h4,
h5,
h6 {
    font-size: 100%
}

address,
cite,
dfn,
em,
var {
    font-style: normal
}

code,
kbd,
pre,
samp,
tt {
    font-family: "Courier New", Courier, monospace
}

small {
    font-size: 12px
}

li,
ol,
ul {
    list-style: none
}

a {
    text-decoration: none
}

a:active,
a:hover,
a:link,
a:visited {
    text-decoration: none;
}

abbr[title],
acronym[title] {
    border-bottom: 1px dotted;
    cursor: help
}

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

legend {
    color: #000
}

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

hr {
    height: 1px
}

body {
    padding: 0;
    margin: 0 auto;
}