html {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft Yahei UI", "Microsoft Yahei", "微软雅黑", "Segoe UI", Tahoma, "宋体b8b\4f53", SimSun,
        sans-serif;
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
}

html,
body,
div,
object,
iframe,
applet,
object,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
address,
dl,
dt,
dd,
ol,
ul,
li,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video,
progress {
    margin: 0;
    padding: 0;
    border: 0;
    vertical-align: baseline;
}

li {
    list-style: none;
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
main,
menu,
nav,
section,
summary {
    display: block;
}

audio,
canvas,
progress,
video {
    display: inline-block;
}

audio:not([controls]) {
    display: none;
    height: 0;
}

[hidden],
template {
    display: none;
}

a {
    background-color: transparent;
    text-decoration: none;
}

a:active,
a:hover {
    outline: 0;
}

abbr[title] {
    border-bottom: 1px dotted;
}

b,
strong {
    font-weight: bold;
}

dfn {
    font-style: italic;
}

h1 {
    font-size: 2em;
    margin: 0.67em 0;
}

mark {
    background: #ff0;
    color: #000;
}

small {
    font-size: 80%;
}

sub,
sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
}

sup {
    top: -0.5em;
}

sub {
    bottom: -0.25em;
}

img {
    border: 0;
}

svg:not(:root) {
    overflow: hidden;
}

figure {
    margin: 1em 40px;
}

hr {
    -moz-box-sizing: content-box;
    box-sizing: content-box;
    height: 0;
}

pre {
    overflow: auto;
}

code,
kbd,
pre,
samp {
    font-family: monospace, monospace;
    font-size: 1em;
}

button,
input,
optgroup,
select,
textarea {
    color: inherit;
    font: inherit;
    margin: 0;
    outline: none;
    line-height: normal;
}

button {
    overflow: visible;
}

button,
select {
    text-transform: none;
}

button,
html input[type="button"],
input[type="reset"],
input[type="submit"] {
    -webkit-appearance: button;
    cursor: pointer;
}

button[disabled],
html input[disabled] {
    cursor: default;
}

button::-moz-focus-inner,
input::-moz-focus-inner {
    border: 0;
    padding: 0;
}

input {
    line-height: normal;
    border: none;
}

input[type="checkbox"],
input[type="radio"] {
    box-sizing: border-box;
    padding: 0;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    height: auto;
}

input[type="search"] {
    -webkit-appearance: textfield;
    -moz-box-sizing: content-box;
    -webkit-box-sizing: content-box;
    box-sizing: content-box;
}

input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-decoration {
    -webkit-appearance: none;
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
}

fieldset {
    border: 1px solid silver;
    margin: 0 2px;
    padding: 0.35em 0.625em 0.75em;
}

legend {
    border: 0;
    padding: 0;
}

textarea {
    overflow: auto;
}

optgroup {
    font-weight: bold;
}

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

td,
th {
    padding: 0;
}

i,
em {
    font-style: normal;
}

i,
img {
    font-style: normal;
}

.pointer {
    cursor: pointer;
}

* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

input::-webkit-input-placeholder {
    color: #dedede;
}

input::-moz-placeholder {
    /* Mozilla Firefox 19+ */
    color: #dedede;
}

input:-moz-placeholder {
    /* Mozilla Firefox 4 to 18 */
    color: #dedede;
}

input:-ms-input-placeholder {
    /* Internet Explorer 10-11 */
    color: #dedede;
}

input:-webkit-autofill {
    -webkit-box-shadow: 0 0 0px 1000px white inset;

    -webkit-text-fill-color: #333;
}

.w {
    width: 1280px;
    /* 版面居中 */
    margin: 0 auto;
}

a {
    color: #111111;
}