*{box-sizing:border-box}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;background:#f4f2ef;color:#2a2523;font:16px/1.6 Georgia,"Times New Roman",serif;text-align:center;padding:24px}
main{max-width:520px}
h1{font-size:44px;font-weight:400;letter-spacing:1px;margin:0}
.tag{margin:0 0 30px;color:#7a726b;font-style:italic}
.notice{background:#fff4e2;border:1px solid #f1d4a6;border-radius:8px;padding:10px 14px;font-family:-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-size:14px}
.btn{display:inline-block;margin-top:10px;padding:10px 28px;border-radius:8px;background:#6b2f2f;color:#fff;text-decoration:none;font-family:-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
.btn:hover{filter:brightness(1.12)}
footer{margin-top:60px;font-size:13px;color:#9a928a}