:root{
  --brand:#2b5cff; --brand-d:#1d44c9; --bg:#f5f7fb; --card:#fff;
  --line:#e6e9f0; --text:#1f2430; --muted:#8a93a6; --ok:#1f9d55; --err:#d6453d;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text)}
.card{max-width:460px;margin:48px auto;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:28px 26px;box-shadow:0 6px 24px rgba(20,30,60,.06)}
h1{font-size:20px;margin:0 0 18px}
label{display:block;font-size:13px;color:var(--muted);margin:14px 0 6px}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font-size:14px;color:var(--text);background:#fff;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--brand)}
button{margin-top:18px;width:100%;padding:12px;border:0;border-radius:10px;background:var(--brand);color:#fff;font-size:15px;cursor:pointer}
button:hover{background:var(--brand-d)}
button:disabled{opacity:.55;cursor:not-allowed}
.msg{margin-top:12px;font-size:13px;min-height:18px}
.msg.ok{color:var(--ok)} .msg.err{color:var(--err)}
.muted{color:var(--muted);font-size:13px}
header{display:flex;justify-content:space-between;align-items:center;padding:14px 24px;background:#fff;border-bottom:1px solid var(--line)}
header nav a{margin-left:16px;color:var(--brand);text-decoration:none;font-size:14px}
main{max-width:820px;margin:24px auto;padding:0 16px}
.badge{display:inline-block;background:var(--brand);color:#fff;border-radius:999px;padding:1px 10px;font-size:13px;margin-left:8px}
.list{display:grid;gap:12px;margin-top:16px}
.item{border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:#fff}
.row{margin:4px 0;font-size:14px}
.tag{display:inline-block;background:#eef2ff;color:var(--brand);border-radius:6px;padding:1px 8px;font-size:12px;margin-left:6px}
.time{font-size:12px;color:var(--muted)}
a{color:var(--brand)}