html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}


/* HTML5 display-role reset for older browsers */

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

body {
    line-height: 1;
}

ol,
ul {
    list-style: none;
}

blockquote,
q {
    quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
    content: '';
    content: none;
}

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

a {
    color: inherit;
    text-decoration: none;
}

body {
    background: #ffffff;
    font-family: "Helvetica Neue", Helvetica, Arial, "Hiragino Sans GB", "Hiragino Sans GB W3", "Microsoft YaHei UI", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
    font-size: 14px;
    color: #444;
    letter-spacing: 3px;
}


/* =====================================------------------------========================= */

.App {
    width: 100%;
    min-width: 1200px;
    background: url(../images/bjt.png) no-repeat;
    background-size: 100% 100%;
    position: relative;
    height: 2608px;
    top: 0;
    left: 0;
    zoom: 1;
    background-color: #fff;
    background-repeat: no-repeat;
    background-size: cover;
    -webkit-background-size: cover;
    -o-background-size: cover;
    background-position: center 0;
}

.App_jz {
    width: 1200px;
    overflow: hidden;
    min-width: 1200px;
    margin: 0 auto;
}

.logo {
    width: 198px;
    height: 70px;
    margin: 50px auto 422px;
    overflow: hidden;
}

.content {
    width: 1200px;
    overflow: hidden;
}

.content_kl {
    width: 100%;
    height: 665px;
    background-repeat: no-repeat;
    background-image: url(../images/list7.png);
    background-size: 100% 100%;
    overflow: hidden;
}

.content_list {
    overflow: hidden;
    margin: 4px 40px 0 140px;
}

.content_list li {
    margin-top: 36px;
    width: 230px;
    height: 255px;
    overflow: hidden;
}

.content_list ul {
    overflow: hidden;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}