@charset "utf-8";
html,body{padding:0;line-height:1.8; text-decoration:none;margin:0 auto;min-width:350px;font-size:0.14rem;font-family:'MiSans',"思源黑体";}
div,h1,h2,h3,h4,p,ul,ol,dl,dt,dd,input,button,textarea,form,ul,li,img{margin:0;padding:0;border:0;font-weight: normal;text-decoration:none}
input,textarea,select{color:#333;outline:none ;}
li{list-style:none;}
img{border:0;}

@font-face {
  font-family: 'MiSans';
  src: url('../MiSans.ttf/MiSans-Normal.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: 'MiSans';
  src: url('../MiSans.ttf/MiSans-Light.ttf') format('truetype');
  font-weight: 300;
  font-style: normal;
}

@font-face {
  font-family: 'MiSans';
  src: url('../MiSans.ttf/MiSans-Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
}

@font-face {
  font-family: 'MiSans';
  src: url('../MiSans.ttf/MiSans-Semibold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
}

@font-face {
  font-family: 'MiSans';
  src: url('../MiSans.ttf/MiSans-Regular.ttf') format('truetype');
  font-weight: 600;
  font-style: normal;
}


.w1440{
   width: 14.4rem; 
  margin: 0 auto;
}
.header-top{
	height:0.6rem;
}
.head-bian {
  position: fixed;
  left: 0;
  top: 0 !important;
  height: 0.9rem;
  width: 100% !important;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: 1000;
}

.flex-w{
  display: flex;
  justify-content: space-around;
  align-items: center;
  max-width: 100%;
}

.head-bian .nav-f {
  color: #ffffff; 
}

.head-nav {
  height: 0.6rem;
  line-height: 0.6rem;
}

.logo img {
  height: 0.25rem;
  object-fit: cover;
  display: block;
}

nav ul {
  display: flex;
  list-style-type: none;
  margin: 0;
  padding: 0;
}

nav li {
  padding: 0;
  position: relative;
}

.nav-f {
  text-decoration: none;
  color: #333;
  font-size: 0.16rem;
  font-weight: normal;
  padding: 0.21rem;
}

.active{
  background-color: black;
  color: white !important;
}


.sub-menu {
  width: 1.7rem;
  padding: 0.1rem;
  background: black;
  position: absolute;
  line-height: 2 !important;
  border-radius: 0.15rem;
  top: 0.55rem;
  left: -0.4rem;
  font-size: 0.17rem;
  text-align: center;
  z-index: 1000;
  display: none;
}

.sub-menu a{
  text-decoration: none;
  color: white;
}

.sub:hover .sub-menu{
  display: block;
}