/* 预定义样式开始 */
body,
div,
ol,
ul,
li,
dl,
dt,
dd,
h1,
h2,
h3,
h4,
h5,
h6,
p,
form,
fieldset,
legend,
input {
  margin: 0;
  padding: 0;
  /* min-width:1500px; */
}
h1,
h2,
h6 {
  font-size: 100%;
}
ol,
ul {
  list-style: none;
}
img,
fieldset {
  border: 0 none;
  display: block;
}
* {
  padding: 0rem;
  margin: 0rem;
}
ul li {
  list-style: none;
}
a {
  text-decoration: none;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
em {
  font-style: normal;
}
body {
  font: 14px/1.5;
  color: #333;
  background-color: #fff;
  font-family: Microsoft YaHei, Microsoft YaHei-Regular;
  font-size: 16px;
}
i {
  font-style: normal;
}
input:focus {
  outline: none;
}
/* 预定义样式结束 */
.head_top {
  width: 100%;
  height: 1.6rem;
  background-color: #000000;
}
.head_top .head_content {
  width: 8.773333rem;
  height: 1.6rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.head_top .head_content .head_logo {
  width: 2.266667rem;
  height: 1rem;
}
.head_top .head_content .head_logo img {
  width: 2.266667rem;
  height: 1rem;
}
.head_top .head_content .head_logo_Right {
  width: 0.56rem;
  height: 0.426667rem;
}
.head_top .head_content .head_logo_Right img {
  width: 0.56rem;
  height: 0.426667rem;
}
.band_image {
  width: 100%;
  height: 7.173333rem;
}
.band_image img {
  width: 100%;
  height: 7.173333rem;
}
.nav_box {
  width: 100%;
  /* height: 16.373333rem; */
  padding-top: 0.826667rem;
}
.nav_box .nav_const {
  width: 9.04rem;
  height: 13.333333rem;
  margin: 0 auto;
}
.nav_box .nav_const .nav_icon_logo {
  width: 2.466667rem;
  height: 1.053333rem;
}
.nav_box .nav_const .nav_icon_logo img {
  width: 2.466667rem;
  height: 1.053333rem;
}
.nav_box .nav_const .navtitle {
  width: 100%;
  color: #333333;
  font-size: 0.4rem;
  margin-top: 0.213333rem;
}
.nav_box .nav_const .consten_na {
  width: 9.04rem;
  margin: 0 auto;
  margin-top: 0.813333rem;
}
.nav_box .nav_const .consten_na p {
  font-size: 0.32rem;
  font-weight: 400;
  text-align: left;
  color: #333333;
  line-height: 0.733333rem;
  font-weight: 500;
}
.last_Oueen {
  width: 100%;
  height: 4.013333rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #333333;
  text-align: center;
}
.last_Oueen .last_const {
  width: 8.266667rem;
  color: #868686;
  font-size: 0.32rem;
  line-height: 0.6rem;
}
.last_Oueen .last_const a {
  color: #868686;
  font-size: 0.32rem;
}