:root{--bg:#ffffff;--fg:#1a1a1a;--muted:#6b7280;--accent:#1d4ed8;--border:#e5e7eb;--warn-bg:#fff7ed;--warn-border:#f59e0b}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,Segoe UI,Roboto,Noto Sans SC,Noto Sans,sans-serif;line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:760px;margin:0 auto;padding:24px 16px}.site-nav{display:flex;gap:16px;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border)}.site-nav .brand{font-weight:700;margin-right:auto}h1{font-size:1.8rem;line-height:1.25}h2{font-size:1.3rem}form.duty-form{display:grid;grid-gap:12px;gap:12px;margin:24px 0;border:1px solid var(--border);border-radius:10px;padding:16px}form.duty-form label{display:grid;grid-gap:4px;gap:4px;font-size:.9rem;color:var(--muted)}form.duty-form input,form.duty-form select{padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:1rem}.btn{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:10px 16px;font-size:1rem;cursor:pointer}.btn:hover{opacity:.92;text-decoration:none}.disclaimer{margin-top:24px;padding:12px 14px;border:1px solid var(--warn-border);background:var(--warn-bg);border-radius:8px;font-size:.85rem;color:#7c2d12}.muted{color:var(--muted);font-size:.9rem}.popular{margin-top:32px}.popular h2{margin-bottom:4px}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));grid-gap:12px;gap:12px;margin-top:12px}.product-card{display:flex;flex-direction:column;gap:4px;padding:12px 14px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--fg)}.product-card:hover{border-color:var(--accent);text-decoration:none;box-shadow:0 1px 6px rgba(0,0,0,.06)}.product-name{font-weight:600}.product-hs{font-size:.8rem;color:var(--muted)}.home-compare{margin-top:32px}.coverage-note{margin-top:28px;padding:12px 14px;border:1px solid var(--warn-border);background:var(--warn-bg);border-radius:8px;font-size:.85rem;color:#7c2d12}form.duty-form .product-label{position:relative}.suggest{list-style:none;margin:8px 0 0;padding:4px;border:1px solid var(--border);border-radius:8px;background:#fff;position:absolute;z-index:20;width:calc(100% - 0px);box-shadow:0 6px 18px rgba(0,0,0,.08)}.suggest li{margin:0}.suggest button{display:flex;flex-direction:column;gap:2px;width:100%;text-align:left;padding:8px 10px;border:0;background:transparent;cursor:pointer;border-radius:6px;color:var(--fg)}.suggest button:hover{background:#f1f5f9}.suggest-name{font-weight:600}.suggest-meta{font-size:.78rem;color:var(--muted)}.form-hint{margin-top:8px}.hint{color:var(--muted);font-size:.85rem;margin-top:6px}.btn-inline{display:inline-block}.btn-ghost{background:#fff;color:var(--accent);border:1px solid var(--accent)}.guide-section{margin-top:24px}.guide-section h2{margin-bottom:6px}.guide-related{margin-top:28px}.lead{font-size:1.05rem;color:var(--fg)}.disclaimer-box{margin-top:24px;padding:12px 14px;border:1px solid var(--warn-border);background:var(--warn-bg);border-radius:8px;font-size:.85rem;color:#7c2d12}.compare-table{width:100%;border-collapse:collapse;margin-top:16px}.compare-table td,.compare-table th{border:1px solid var(--border);padding:8px 10px;text-align:left;vertical-align:top;font-size:.9rem}.compare-table th{background:#f8fafc}.embed-snippet{background:#0f172a;color:#e2e8f0;padding:12px;border-radius:8px;overflow-x:auto;font-size:.8rem}.disc{font-size:.85rem;color:var(--muted)}