:root{--bg:#fff;--text:#111;--muted:#6b7280;--card:#fff;--border:#e5e7eb;--shadow:0 10px 30px rgba(0,0,0,.08);--accent:#e11d48}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
.site-header{display:flex;gap:14px;align-items:center;justify-content:center;border-bottom:1px solid var(--border);padding:18px 12px;background:#fff;position:sticky;top:0;z-index:10}
.logo{width:52px;height:52px}
.titles h1{margin:0;font-size:1.6rem;letter-spacing:.02em}
.titles .subtitle{margin:2px 0 0;color:var(--muted);font-size:.92rem}
.container{max-width:1200px;margin:20px auto;padding:0 12px}
.card{background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:14px;padding:16px}
.tabs{display:flex;gap:8px;margin:0 0 12px;flex-wrap:wrap}
.tab{background:#fff;border:1px solid var(--border);border-radius:999px;padding:8px 14px;cursor:pointer;color:#000}
.tab.active{background:var(--accent);color:#000;border-color:var(--accent)}
.tabpane{display:none}
.tabpane.active{display:block}
.ask-card h2,.faq h2{margin:0 0 6px}
.ask-card p{margin:0 0 10px;color:var(--muted)}
textarea{width:100%;min-height:120px;padding:10px;border:1px solid var(--border);border-radius:12px;background:#fff;color:var(--text);font-size:1rem}
.row{display:flex;gap:8px;align-items:center;margin-top:8px;flex-wrap:wrap}
button,.btn{background:var(--accent);color:#000;border:none;border-radius:999px;padding:10px 16px;font-weight:700;cursor:pointer;text-decoration:none;display:inline-block}
button:hover,.btn:hover{filter:brightness(.95)}
.search{flex:1;min-width:260px;padding:10px;border:1px solid var(--border);border-radius:10px}
.answer{margin-top:10px;padding:12px;border:1px solid var(--border);border-radius:12px;background:#fff}
.answer h3{margin:0 0 6px}
.answer .meta{color:var(--muted);font-size:.9rem;margin-top:6px}
.disclaimer{margin-top:10px;color:#a16207;background:#fff8e1;border:1px solid #fde68a;padding:10px;border-radius:10px}
.faq-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.faq-list{display:flex;flex-direction:column;gap:8px;max-height:70vh;overflow:auto;padding-right:4px}
.faq-item{border:1px solid var(--border);border-radius:12px;padding:10px;background:#fff}
.faq-item h4{margin:0 0 4px}
.faq-item p{margin:0;color:#111;line-height:1.5}
.tag{display:inline-block;margin-top:6px;font-size:.78rem;color:#9ca3af}
.pdf-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:900px){.pdf-grid{grid-template-columns:1fr 1fr 1fr}}
.pdf-card{border:1px solid var(--border);border-radius:14px;padding:12px;background:#fff;box-shadow:var(--shadow)}
.pdf-frame-wrap{height:70vh;border:1px solid var(--border);border-radius:12px;overflow:hidden;margin-top:10px}
.pdf-frame{width:100%;height:100%;border:0}
.muted{color:var(--muted)} .small{font-size:.88rem}
.site-footer{border-top:1px solid var(--border);padding:12px;font-size:.9rem;color:var(--muted);display:flex;gap:10px;justify-content:center;flex-wrap:wrap}