body{font-family:system-ui,Segoe UI,Roboto,Arial,sans-serif;background:#f5f7fb;margin:0}
.nav{background:#111827;padding:12px 16px;display:flex;gap:12px;align-items:center}
.nav a{color:#fff;text-decoration:none}
.nav .right{margin-left:auto;color:#9ca3af;font-size:12px}
.wrap{max-width:1100px;margin:18px auto;padding:0 12px}
.card{background:#fff;border-radius:14px;padding:18px;box-shadow:0 10px 25px rgba(0,0,0,.06)}
table{width:100%;border-collapse:collapse}
th,td{border-bottom:1px solid #eee;padding:8px;text-align:left;vertical-align:top}
input,select{width:100%;padding:10px;border:1px solid #d7dbe3;border-radius:10px}
label{display:block;margin:10px 0}
button{padding:9px 14px;border:0;border-radius:10px;background:#2563eb;color:#fff;font-weight:600;cursor:pointer}
button.secondary{background:#6b7280}
.hint{color:#6b7280;font-size:13px;line-height:1.45}

.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:14px 0}
.stat{background:#f8fafc;border:1px solid #e5e7eb;border-radius:12px;padding:10px}
.stat .k{color:#6b7280;font-size:12px}
.stat .v{font-size:22px;font-weight:800}
.reply{margin:10px 0;padding:10px;border:1px solid #eee;border-radius:12px;background:#fff}