*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Microsoft YaHei, sans-serif;background:#f5f5f5;color:#333}
.container{max-width:1000px;margin:0 auto;padding:15px}
.header{background:#c0392b;color:#fff;padding:15px 0;margin-bottom:20px}
.header .title{font-size:24px;font-weight:bold}
.nav{margin-top:10px}
.nav a{color:#fff;margin-right:15px;text-decoration:none}
.box{background:#fff;border-radius:8px;padding:20px;margin-bottom:20px}
.btn{background:#c0392b;color:#fff;border:none;padding:8px 16px;border-radius:4px;cursor:pointer}
.btn:hover{opacity:.9}
input,textarea{width:100%;padding:10px;margin:10px 0;border:1px solid #ddd;border-radius:4px}
.item{border-bottom:1px solid #eee;padding:12px 0}
.item h3{font-size:18px;margin-bottom:5px}
.item .info{color:#666;font-size:12px}
a{color:#c0392b;text-decoration:none}