body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
button,
textarea,
p,
blockquote,
th,
td {
  margin: 0;
  padding: 0;
}

body,
html {
  scroll-behavior: smooth;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: normal;
}
@font-face {
  font-family: "arial";
  src: url(../fonts/arial.ttf);
}
@font-face {
  font-family: "zhkh";
  src: url(../fonts/ZiHunKeHuanFangShengTi\(ShangYongXuShouQuan\)-2.ttf);
}
@font-face {
  font-family: "din-b";
  src: url(../fonts/din-bold-2.ttf);
}
@font-face {
  font-family: "pf-b";
  src: url(../fonts/PingFang\ Bold.ttf);
}
@font-face {
  font-family: "pf-e";
  src: url(../fonts/PingFang\ ExtraLight.ttf);
}
@font-face {
  font-family: "pf-h";
  src: url(../fonts/PingFang\ Heavy.ttf);
}
@font-face {
  font-family: "pf-l";
  src: url(../fonts/PingFang\ Light.ttf);
}
@font-face {
  font-family: "pf-m";
  src: url(../fonts/PingFang\ Medium.ttf);
}
@font-face {
  font-family: "pf-r";
  src: url(../fonts/PingFang\ Regular.ttf);
}
@font-face {
  font-family: "DIN-Medium";
  src: url("../fonts/DIN-Medium.otf");
}
@font-face {
  font-family: "DIN bold";
  src: url("../fonts/din-bold-2.ttf");
}
@font-face {
  font-family: "MontserratAlternates";
  src: url("../fonts/Montserrat-Medium-7.otf");
}
@font-face {
  font-family: "BarlowSemiCondensed-SemiBold";
  src: url("../fonts/BarlowSemiCondensed-SemiBold.ttf");
}
:root {
  --Noto-Sans-SC: "Noto Sans SC", sans-serif;
  --Noto-Serif-SC: "Noto Serif SC", sans-serif;
  --Roboto: "Roboto", sans-serif;
  --Abel: "Abel", sans-serif;
  --Barlow-Condensed: "Barlow Condensed", sans-serif;
  --Din: "DIN-Medium", sans-serif;
}
a {
  text-decoration: none;
  color: #333;
  display: block;
}

p {
  color: #434343;
}

a:hover {
  text-decoration: none;
}

a img {
  border-bottom-style: none;
  border-right-style: none;
  border-top-style: none;
  border-left-style: none;
}

div {
  padding-bottom: 0px;
  list-style-type: none;
  margin: 0px;
  padding-left: 0px;
  padding-right: 0px;
  padding-top: 0px;
}

li {
  padding-bottom: 0px;
  list-style-type: none;
  margin: 0px;
  padding-left: 0px;
  padding-right: 0px;
  padding-top: 0px;
}

p,
strong,
em {
  padding-bottom: 0px;
  list-style-type: none;
  margin: 0px;
  padding-left: 0px;
  padding-right: 0px;
  padding-top: 0px;
  font-weight: normal;
}

form {
  padding-bottom: 0px;
  list-style-type: none;
  margin: 0px;
  padding-left: 0px;
  padding-right: 0px;
  padding-top: 0px;
}

em {
  font-style: normal;
  font-weight: normal;
}

table {
  padding-bottom: 0px;
  list-style-type: none;
  margin: 0px;
  padding-left: 0px;
  padding-right: 0px;
  padding-top: 0px;
}

dt {
  padding-bottom: 0px;
  list-style-type: none;
  margin: 0px;
  padding-left: 0px;
  padding-right: 0px;
  padding-top: 0px;
}

dl {
  padding-bottom: 0px;
  list-style-type: none;
  margin: 0px;
  padding-left: 0px;
  padding-right: 0px;
  padding-top: 0px;
}

dd {
  padding-bottom: 0px;
  list-style-type: none;
  margin: 0px;
  padding-left: 0px;
  padding-right: 0px;
  padding-top: 0px;
}

tr {
  padding-bottom: 0px;
  list-style-type: none;
  margin: 0px;
  padding-left: 0px;
  padding-right: 0px;
  padding-top: 0px;
}

input,
textarea,
select {
  outline: none;
  border: 0;
}

.cl {
  height: 0px;
  clear: both;
}

.fl {
  float: left;
  display: block;
}

.fr {
  float: right;
}

.c {
  *zoom: 1;
}

.c:after {
  content: "";
  display: block;
  height: 0;
  clear: both;
}

.txt-c {
  text-align: center;
}

.txt-l {
  text-align: left !important;
}

.txt-r {
  text-align: right;
}

.bg-black {
  background: #000;
}

.col-black {
  color: #000;
}

.col-white {
  color: #fff !important;
}

strong {
  font-weight: bold;
}

i {
  font-style: normal;
}

.m {
  margin: 0 auto;
}

.blue {
  color: #00a0ea;
}
.container {
  max-width: 1520px;
  margin: 0 auto;
}
.header{
  width: 94.791%;
  position: fixed;
  left: 50%;
  top: 20px;
  transform: translateX(-50%);
  background-color: rgba(255, 255, 255, 0.8);
	border-radius: 20px;
  padding: 0 7.4%;
  transition: all .5s;
  z-index: 99;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2), 0 10px 15px rgba(0, 0, 0, 0.1);
  transition: all .5s;
}
.header:hover{
  background: #fff;
}
.fixed-header {
  top: 0;
}
.header header{
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  border-bottom: 1px solid rgba(234,235,237, .8);
}
.header header .nav{
  width: 64.5%;
  height: 100%;
}
.header header .nav>ul{
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}
.header header .nav>ul li{
  flex: 1;
  position: relative;
}
.header header .nav>ul li::after{
  content: "";
  width: 0;
	height: 3px;
	background-color: #ff5500;
	border-radius: 2px;
	opacity: 0.8;
  position: absolute;
  left: 0;
  bottom: -2px;
  transition: all .3s;
}
.header header .nav>ul li a{
	font-size: 20px;
	color: #242121;
  line-height: 99px;
  font-family: "pf-r";
  transition: all .3s;
}
.header header .nav>ul .navact a {
  color: #ff5500 !important;
  font-family: "pf-b";
}
.header header .nav>ul .navact::after{
  width: 30px;
}
.header header .nav>ul li:hover a{
  font-family: "pf-b";
  color: #ff5500 !important;
}
/*.header header .nav>ul li:hover::after{*/
/*  width: 30px;*/
/*}*/
.header-bot{
  display: flex;
  justify-content: space-between;
}
.header-bot .header-bot-rt{
  width: 64.5%;
}
.header-bot .header-bot-rt{
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.header-bot .header-bot-rt .son-nav {
  flex: 1;
  overflow: hidden;
  height: 0; 
  opacity: 0;
  visibility: hidden; 
  transition: opacity 0.25s ease, visibility 0s ease, height 0.12s ease,margin .7s ease;
}

.header-bot .header-bot-rt .son-nav ul li a{
  font-size: 16px;
	color: #5f5c5c;
  line-height: 35px;
  font-family: "pf-r";
}
.header-bot .header-bot-rt .son-nav ul .son-act a{
  color: #ff5500 !important;
  transition: all .3s;
}
.header-bot .header-bot-rt .son-nav ul li:hover a{
  color: #ff5500 !important;
}