*{margin:0;padding:0;box-sizing:border-box;font-family:"Microsoft Yahei",Arial}
body{background:#f5f6f7;font-size:14px;color:#333}
.top-nav{width:100%;height:60px;background:#e6162d;line-height:60px;position:fixed;top:0;left:0;z-index:999}
.top-nav .inner{width:1000px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}
.top-nav .logo{color:#fff;font-size:22px;font-weight:bold}
.top-nav a{color:#fff;text-decoration:none;margin:0 15px;font-size:15px}
.wrap{width:1000px;margin:80px auto;display:flex;gap:20px}
.main{flex:7}
.side{flex:3}
.box{background:#fff;border-radius:6px;padding:20px;margin-bottom:15px;box-shadow:0 1px 3px rgba(0,0,0,0.1)}
.btn{background:#e6162d;color:#fff;border:none;padding:8px 20px;border-radius:4px;cursor:pointer}
input,textarea{width:100%;padding:10px;margin:8px 0;border:1px solid #eee;border-radius:4px}
.item{padding:15px 0;border-bottom:1px solid #eee}
.name{font-weight:bold;color:#333;margin-bottom:5px}
.time{color:#999;font-size:12px}
.content{margin:10px 0;line-height:1.6}
img{max-width:100%;border-radius:6px;margin-top:10px}
.login-box{width:400px;background:#fff;margin:100px auto;padding:30px;border-radius:8px}
.login-box h2{text-align:center;color:#e6162d;margin-bottom:20px}
.captcha{display:flex;gap:10px;align-items:center}
.captcha img{cursor:pointer}
.msg{padding:10px;background:#f4f4f4;border-radius:6px;margin:8px 0}
.me{background:#ffe8eb;text-align:right}