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;}

body {font:13px/1.75 "Microsoft YaHei", arial,sans-serif; color: #333;  background:#fff;font-family: "微软雅黑";}

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;}

.container{width:1520px; margin:0 auto; height: 100%;}

.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:#0056a1;}

.container{
  max-width: 1320px;
  margin: auto;
}
header{
  width: 100%;
  background: #fff;
  height: 150px;
  position: relative;
  z-index: 9999;
}
header .ny_header{
  width: 100%;
}
header .ny_header .header-top{
  height: 90px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
header .ny_header .header-top .logo{
  display: flex;
  align-items: center;
}
header .ny_header .header-top .logo img{
  display: block;
}
header .ny_header .header-top .logo h3{
  color: #024a2a;
  margin-left: 10px;
  font-weight: 550;
  font-size: 34px;
}
header .ny_header .header-top form input{
  width: 212px;
  height: 40px;
  background: #f2f2f2;
  padding-left: 5%;
}
header .ny_header .header-top form button{
  width: 66px;
  height: 40px;
  line-height: 40px;
  background-color: #024a2a;
  color: #fff;
  letter-spacing: 1px;
  font-size: 16px;
  margin-left: -6px;
  cursor: pointer;
}
header .header-bottom{
  width: 100%;
  height: 60px;
  background: #024a2a;
}
header .header-bottom ul{
  display: flex;
  justify-content: space-between;
}
header .header-bottom ul li{
  position: relative;
}
header .header-bottom ul li a{
  line-height: 60px;
  font-size: 16px;
  color: #fff;
  text-align: center;
}
header .header-bottom ul li::after{
  content: "";
  width: 0;
	height: 2px;
	background-color: #fff;
  position: absolute;
  left: 50%;
  bottom: 5px;
  transform: translateX(-50%);
  transition: all 0.5s;
}
header .header-bottom ul li:hover::after{
  width: 100%;
}
header .header-bottom ul .ny-active::after{
  content: "";
  width: 100%;
	height: 2px;
	background-color: #fff;
  position: absolute;
  left: 0%;
  bottom: 5px;
  transform: translateX(0);
}
#nav-son{
  width: 150%;
  min-width: 130px;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translate(-50%, -1px) scale(0.5);
  perspective: 800px;
  transform-style: preserve-3d;
  visibility: hidden;
  opacity: 0;
  border: 1px solid #dcdcdc;
  box-shadow: 0px 2px 13px 6px rgb(0 0 0 / 15%);
  background: #fff;
  transition: all .4s;
}
#nav-son .nav-sonlist{
  border-bottom: 1px solid #dcdcdc;
  padding: 0 5px;
  z-index: 99;
}
#nav-son .nav-sonlist:nth-last-child(1){
  border: none;
}
#nav-son .nav-sonlist a{
  color: #585454;
  line-height: 38px;
  transition: all .4s;
}
#nav-son .nav-sonlist:hover a{
  color: #024a2a;
}
header .header-bottom ul li:hover #nav-son{
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -1px) scale(1);
}
.index-header-invert .ny_header .header-top{
    display: none;
}
.index-header-invert .header-bottom{
    position: fixed;
    top: 0;
    z-index: 9999;
}