nav{background: #c01010;height: 50px;box-sizing: border-box;padding: 2px 0;}
nav a{display: block;line-height: 45px;padding: 0 20px;color: #fff;
    font-family: bold;}
.container{width: 1200px;}
nav>.container>ul{display: flex;justify-content: space-around;}
nav>.container>ul>li{height: 46px;}
nav .container>ul>li:nth-child(3)>a{background: #fff;color: #c01010;box-shadow: 0 0 1px 0;}
/* nav .container>ul>li:hover>a{background: #fff;box-shadow: 0 0 1px 0;color: #c01010;} */
nav .erji{width: 100%;background: #c01010;z-index: 10;overflow: hidden;position: relative;
font-size:14px;border-bottom-left-radius: 5px;border-bottom-right-radius: 5px;display: none;}
nav .erji>li a{color: #fff;padding:0;text-align: center;line-height: 44px;}
nav .erji>li:last-child a{border: none;}
nav .erji .line{width: 80%;height: 1px;background: url(../img/line.png) repeat-x;margin: 1px auto;}
/* 滑过效果 */
nav .container>ul>li:hover>.erji{display: block;}
/* nav .container>ul>li:hover>a{background: #fff;box-shadow: 0 0 1px 0;color: #c01010!important;} */
nav a:hover{background: #fff;box-shadow: 0 0 1px 0;color: #c01010!important;}
/* 头部颜色 */
header .logo{color: #c01010;}
header button{background: #c01010;}
header form{border-color: #c01010;}