/** 清除内外边距 **/
body,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
p,
blockquote,
dl,
dt,
dd,
ul,
ol,
li,
pre,
form,
fieldset,
legend,
button,
input,
textarea,
th,
td {
  margin: 0;
  padding: 0;
}
/** 设置默认字体 **/
body,
button,
input,
select,
textarea {
  font: 14px/1.5 tahoma, \5b8b\4f53, sans-serif;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 100%;
  font-weight: normal;
}
address,
cite,
dfn,
em,
var {
  font-style: normal;
}
/* 将斜体扶正 */
code,
kbd,
pre,
samp {
  font-family: courier new, courier, monospace;
}
/* 统一等宽字体 */
small {
  font-size: 12px;
}
/* 小于 12px 的中文很难阅读, 让 small 正常化 */
/** 重置列表元素 **/
ul,
ol {
  list-style: none;
}
/** 重置文本格式元素 **/
a {
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
sup {
  vertical-align: text-top;
}
/* 重置, 减小对行高的影响 */
sub {
  vertical-align: text-bottom;
}
/** 重置表单元素 **/
legend {
  color: #000;
}
/* for ie6 */
fieldset,
img {
  border: 0;
}
/* img 搭车：让连接里的 img 无边框 */
button,
input,
select,
textarea {
  font-size: 100%;
}
/* 使得表单元素在 ie 下能继承字体大小 */
/* 注：optgroup 没法扶正 */
/** 重置表格元素 **/
table {
  border-collapse: collapse;
  border-spacing: 0;
}
/* 重置 HTML5 元素 */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section,
summary,
time,
mark,
audio,
video {
  display: block;
  margin: 0;
  padding: 0;
}
mark {
  background: #ff0;
}
a {
  text-decoration: none;
  color: #333;
}
.bigbox {
  width: 100%;
  height: auto;
  overflow: hidden;
}
.bigbox .arear1 {
  width: 100%;
  height: 500px;
  position: relative;
  background: url(../images/development/bg.png) no-repeat center;
  background-size: 100% 100%;
}
.bigbox .arear1 .topFixBox {
  position: absolute;
  top: 0;
  left: 0%;
  width: 100%;
  z-index: 6;
  display: flex;
  justify-content: space-evenly;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}
.bigbox .arear1 .topFixBox .imgLeftBox {
  width: 40%;
  height: 80px;
  line-height: 80px;
  vertical-align: middle;
  text-align: center;
}
.bigbox .arear1 .topFixBox .imgLeftBox img {
  width: 20%;
  max-height: 100%;
  vertical-align: middle;
}
.bigbox .arear1 .topFixBox .textRightBox {
  width: 40%;
  height: 100%;
}
.bigbox .arear1 .topFixBox .textRightBox a {
  display: inline-block;
}
.bigbox .arear1 .topFixBox .textRightBox a .item {
  display: inline-block;
  width: 90px;
  height: 80px;
  line-height: 80px;
  font-weight: 700;
  font-size: 16px;
  color: #fff;
  text-align: center;
}
.bigbox .arear1 .topFixBox .textRightBox a .hover {
  color: #0A58E3;
}
.bigbox .secondBoxDev {
  width: 100%;
  margin-top: 60px;
}
.bigbox .secondBoxDev .icon {
  width: 70%;
  margin: 0 auto 20px;
}
.bigbox .secondBoxDev .icon img {
  width: 20%;
  height: auto;
}
.bigbox .secondBoxDev .img {
  width: 70%;
  margin: 0 auto;
}
.bigbox .secondBoxDev .img img {
  width: 100%;
  height: auto;
}
.bigbox .arear6Index {
  width: 100%;
  height: 350px;
  background-color: #12294A;
  font-size: 12px;
}
.bigbox .arear6Index .topBox {
  width: 70%;
  height: 100px;
  line-height: 100px;
  margin: 0 auto 50px ;
  display: flex;
  border-bottom: 1px solid #1C3350;
}
.bigbox .arear6Index .topBox .marginLeft {
  margin-right: 100px;
  color: #B7C7DB;
}
.bigbox .arear6Index .botomIndex {
  width: 70%;
  font-size: 12px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: PingFang SC;
  font-weight: 400;
  color: #B7C7DB;
}
.bigbox .arear6Index .botomIndex .leftItemBox {
  width: 50%;
}
.bigbox .arear6Index .botomIndex .leftItemBox .leftItem {
  margin-bottom: 20px;
}
.bigbox .arear6Index .botomIndex .rightBox {
  width: 30%;
}
.bigbox .arear6Index .botomIndex .rightBox img {
  width: 50%;
  height: auto;
}
a {
  color: #B7C7DB;
}