/* 通用 */
* {
  padding: 0;
  margin: 0;
  border: 0;
  vertical-align: baseline;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

input,
select,
button {
  outline: 0;
}

button {
  border: 0;
  background-clip: padding-box;
}

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

img {
  border: none;
  vertical-align: baseline;
}

textarea,
input {
  word-wrap: break-word;
  word-break: break-all;
}

span,
p,
div {
  word-wrap: break-word;
}

.lf {
  float: left;
}

.rt {
  float: right;
}

html,
body,
div,
p,
ul,
ol,
li {
  list-style: none;
}

a {
  text-decoration: none;
  cursor: pointer;
}

.clearfix:after {
  content: ".";
  display: block;
  height: 0;
  clear: both;
  visibility: hidden
}

/* 黑色title背景主题 适用于alert confirm*/
body .skin_class_exmple .layui-layer-title {
  padding: 0 !important;
  text-align: center;
  background: black !important;
  color: white !important;
  font-size: 22px !important;
  height: 50px !important;
  line-height: 50px !important;
  position: relative !important;
}

body .skin_class_exmple .layui-layer-setwin {
  top: 15px !important;
}

body .skin_class_exmple>.layui-layer-content {
  text-align: center;
  font-size: 20px;
  color: red;
  box-sizing: border-box;
}

body .skin_class_exmple .layui-layer-setwin a {
  width: 24px;
  height: 24px;
  opacity: 1;
}

body .skin_class_exmple .layui-layer-setwin a:hover {
  opacity: 1;
}

body .skin_class_exmple .layui-layer-setwin {
  opacity: 1;
}

body .skin_class_exmple>.layui-layer-btn {
  background: white;
  text-align: center;
}

body .layui-layer-title {
  background-color: transparent !important;
  border-bottom: none;
}

body .layui-layer-content {
  background-color: transparent !important;
  border-bottom: none;
  box-shadow: none;
}

body .layui-layer-setwin a {
  width: 24px;
  height: 24px;
  opacity: 0;
}

body .layui-layer-setwin a:hover {
  opacity: 0;
}

body .layui-layer-setwin {
  opacity: 0;
}

body .layui-layer-setwin .layui-layer-close2 {
  right: -2px;
  top: -2px;
}

body .skin_class_two {
  box-shadow: none;
}

.cu_layer {
  display: none;
}

html {
  width: 100%;
  height: 100%;
  position: relative;
  margin: 0 auto;
}

body {
  max-width: 1920px;
  width: 100%;
  position: relative;
  margin: 0 auto;
}

a:hover {
  -webkit-filter: brightness(120%);
  -ms-filter: brightness(120%);
  -o-filter: brightness(120%);
  -moz-filter: brightness(120%);
  opacity: 0.85\0;
}

.index {
  min-width: 1300px;
  height: 1080px;
  padding-top: 20px;
  background: url(../images/index/index.jpg);
  background-size: 100% 100%;
  position: relative;
}

.index-logo {
  display: inline-block;
  background: url(../images/index/logo.png);
  width: 137px;
  height: 110px;
  margin-left: 60px;
}

.index-flex {
  display: flex;
  margin-top: 623px;
  display: flex;
  justify-content: center;
}

.index-flex>a {
  background: url(../images/index/btn1.png);
  width: 239px;
  height: 264px;
}

.index-flex>a:nth-child(2) {
  background: url(../images/index/btn2.png);
  width: 248px;
  height: 192px;
  margin-top: 15px;
}

.index-flex>a:nth-child(3) {
  background: url(../images/index/btn3.png);
  width: 211px;
  height: 198px;
  margin-top: 10px;
}

.index-nav {
  background: url(../images/index/nav.png);
  width: 184px;
  height: 368px;
  position: absolute;
  right: 0;
  top: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 68px;
}
.index-nav img {
	width:106px;
}

.index-nav_two {
  margin-top: 30px;
}