:root{--brand:#4A90E2;--bg:#F7FAFC;--ink:#1A202C;--muted:#718096;--card:#FFFFFF}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink)}
.header{display:flex;align-items:center;gap:12px;padding:16px 24px;background:#fff;border-bottom:1px solid #E2E8F0;position:sticky;top:0}
.logo{width:28px;height:28px;border-radius:8px;background:var(--brand);display:inline-grid;place-items:center;color:#fff;font-weight:700}
.h1{font-size:18px;font-weight:700}
.container{max-width:960px;margin:24px auto;padding:0 16px}
.card{background:var(--card);border:1px solid #E2E8F0;border-radius:16px;padding:16px;box-shadow:0 4px 16px rgba(0,0,0,.04)}
.row{display:flex;gap:16px;flex-wrap:wrap}
.col{flex:1 1 320px}
label{font-size:12px;color:var(--muted);display:block;margin-bottom:6px}
input,select,button,textarea{width:100%;padding:12px 12px;border:1px solid #CBD5E0;border-radius:12px;background:#fff;color:var(--ink)}
button{background:var(--brand);border-color:transparent;color:#fff;font-weight:600;cursor:pointer}
button.ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.badge{display:inline-block;background:#EDF2F7;color:#2D3748;border-radius:999px;padding:4px 10px;font-size:12px;margin-right:6px}
.result{padding:12px;border:1px dashed #CBD5E0;border-radius:12px;margin-bottom:8px}
.slot{font-weight:600}
.footer{color:var(--muted);font-size:12px;text-align:center;padding:24px}