* { box-sizing: border-box; }
body { margin:0; font-family:'Microsoft YaHei',sans-serif; background:#f4f6fa; color:#222; }
.wrap { max-width:720px; margin:0 auto; padding:16px; }
h1 { font-size:18px; color:#16213e; }
.card { background:#fff; border-radius:8px; padding:16px; box-shadow:0 1px 4px rgba(0,0,0,.08); margin-bottom:14px; }
input { width:100%; padding:10px; margin:6px 0; border:1px solid #ccc; border-radius:6px; font-size:15px; }
button { padding:10px 14px; border:none; border-radius:6px; background:#0f3460; color:#fff; font-size:15px; cursor:pointer; }
button.ghost { background:#eee; color:#333; }
button:disabled { opacity:.5; }
.muted { color:#888; font-size:13px; }
table { width:100%; border-collapse:collapse; margin-top:10px; }
th, td { border:1px solid #e0e0e0; padding:8px; text-align:right; }
th:first-child, td:first-child { text-align:left; }
th { background:#16213e; color:#fff; }
.err { color:#c00; font-size:13px; }
.row { display:flex; gap:8px; }
.row input { flex:1; }
.nav { display:flex; gap:8px; justify-content:space-between; align-items:center; }
.hidden { display:none; }