.c_nav_main{width:100%; height:80px;}
.c_nav_main .fix { } 
/*.c_nav_main .fix::before, .fix::after { clear: both; content: ""; display: table; } */
.c_nav_main .oh { overflow: hidden; } 
.c_nav_main .pa { position: absolute; } 
.c_nav_main .pr { position: relative; } 
.c_nav_main .l { float: left; } 
.c_nav_main .r { float: right; } 
.c_nav_main .c { margin-bottom: -9999px; padding-bottom: 9999px; } 
.c_nav_main .wrap { margin-left: auto; margin-right: auto; width: 1200px; } 
.c_nav_main a { color: #333; } 
.c_nav_main a:hover { color: #FF0000;} 
.c_nav_main a { outline: 0 none; text-decoration: none; transition: all 0.3s ease 0s; } 

.nav{ width: 100%; margin-top:0px; height:50px; text-align:center;} 
.nav .nav_li{padding: 0 2%; height:50px;display:inline-block;} 
.nav .nav_li .nav_a{font-size:15px;display:block;padding-bottom:0px;height:50px;line-height: 50px;}