@charset "utf-8";
*,
:after,
:before {
    box-sizing: border-box;
    margin: 0
}

html {
    background: #fff;
    color: #333;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%
}

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

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

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

body,
button,
input,
select,
textarea {
    font: 14px/1.5 PingFang SC, Microsoft YaHei, sans-serif;
}

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

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

th {
    text-align: inherit
}

fieldset,
img {
    border: 0
}

iframe {
    display: block
}

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

del {
    text-decoration: line-through
}

i {
    font-style: normal
}

address,
caption,
cite,
code,
dfn,
em,
th,
var {
    font-weight: 500;
    font-style: normal
}

ol,
ul {
    list-style: none
}

caption,
th {
    text-align: left
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: #000;
    font-weight: 700;
}

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

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

sup {
    top: -.5em
}

sub {
    bottom: -.25em
}

a,
ins {
    text-decoration: none
}

a {
    -webkit-transition: color .2s;
    -moz-transition: color .2s;
    -o-transition: color .2s;
    -ms-transition: color .2s
}

.container_w {
    width: 10.8rem;
    margin: 0 auto;
    z-index: 10;
    padding-top: 1.4rem;
}

.float_l {
    float: left;
}

.float_r {
    float: right;
}

.position_r {
    position: relative;
}

.position_a {
    position: absolute;
    width: 100%;
    height: 8rem;
    top: 0;
    z-index: -1;
}