html {
  -moz-box-sizing: border-box;
       box-sizing: border-box;
}
a,a:hover{color:#9C9B9B;text-decoration:none}

*, *:before, *:after {
  -moz-box-sizing: border-box;
       box-sizing: border-box;
}

body {
  margin: 0;
	font-family: "微软雅黑", Arial;
  font-size: 16px;
  line-height: 64;
  z-index:9999;
}

nav ul {
  list-style: none;
  padding-left: 0;
  margin-top: 0;
  margin-bottom: 0;
}

h1 {
  width: 800px;
  margin: 100px auto 20px;
  color: #000000;
  text-align: center;
  z-index:9999;
}

.nav {
  margin: 0 auto;
  color: #000000;
}
.nav a {
  display: block;
  padding: 0 16px;
  line-height: inherit;
  cursor: pointer;
}
.nav_menu {
  line-height: 44px;
  font-weight: 700;
  text-transform: uppercase;
}
.nav_menu-item {
  font-family: "微软雅黑", Arial;
  font-size: 18px;
  display: inline-block;
  position: relative;
  z-index:9999;
  left:0px;
  line-height:80px;
}
.nav_submenu-item { line-height:54px; text-align:left; padding:5px 0}
.nav_menu-item:hover {
 background:url(../images/menu_xl.jpg) center 60px no-repeat; color: #1474fe;
}
.nav_menu-item a { color:#333;font-size: 23px; font-weight:500}
.nav_menu-item:hover a { color: #1474fe;}
.nav_menu-item a {
  padding: 0 35px;
}
.nav_submenu-item a { padding:0 16px;}
.nav_menu-item:hover .nav_submenu {
  display: block;
}
.nav_submenu {
  font-weight: 300;
  text-transform: none;
  display: none;
  position: absolute;
  width: 215px;
      left: -30px;
  background: rgba(255, 255, 255, 1);
  z-index:9999;
  box-shadow: 0 5px 22px rgba(114, 205, 249, 0.8);
    border-radius: 10px;
}
.nav_submenu-item:hover {
  background:rgba(234,240,252,1);
}
.nav .nav_submenu li a { color:#333}
.nav_menu-item img { float:left;margin-top: 28px;
    margin-right: 5px; }
.nav_submenu img {float: left;
    margin-left: 40px;
    margin-top: 9px;
    margin-right: 10px;}