.item-page{max-width:1000px;margin:0 auto;padding:22px;display:block}h1{margin:0 0 10px;font-size:clamp(22px,3.5vw,32px)}.meta{color:var(--muted);margin-bottom:16px}.hero{justify-content:center;margin:12px 0 24px;display:flex}.hero img{border:1px solid var(--border);background:#f3f4f6;border-radius:16px;width:100%;max-width:360px;height:auto;box-shadow:0 2px 8px #0000000a}.shops{grid-template-columns:1fr;gap:14px;display:grid}.shop{background:var(--card);border:1px solid var(--border);border-radius:16px;grid-template-columns:120px 1fr auto;align-items:center;gap:12px;min-height:84px;padding:12px;display:grid;box-shadow:0 2px 8px #0000000a}.shop img{object-fit:contain;background:0 0;border-radius:8px;width:120px;height:40px}.shop a{color:inherit;font-weight:700;text-decoration:none}.price{font-size:16px;font-weight:800}.btn{background:linear-gradient(135deg,var(--btn-bg-start),var(--btn-bg-end));color:var(--btn-fg);cursor:pointer;border:none;border-radius:10px;padding:10px 14px;font-weight:800;text-decoration:none}.empty{color:#374151;border:1px dashed var(--border);background:#fafafa;border-radius:12px;padding:18px}.top{grid-template-columns:360px 1fr;align-items:start;gap:24px;margin:12px 0 24px;display:grid}.specs{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px;box-shadow:0 2px 8px #0000000a}.specs h2{text-align:left;margin:0 0 10px;font-size:1rem;line-height:1.25}.specs dl{margin:0}.spec-row{border-bottom:1px solid var(--border);grid-template-columns:180px 1fr;gap:12px;padding:8px 0;display:grid}.spec-row:last-child{border-bottom:none}.spec-row dt{color:var(--muted);font-weight:600}.spec-row dd{margin:0;font-weight:600}.spec-row dt,.spec-row dd{font-size:.85rem;line-height:1.25}@media (max-width:640px){.top{grid-template-columns:1fr}}.tooltip-wrap{display:inline-block;position:relative}.tooltip-trigger{align-items:center;gap:6px;display:inline-flex;position:relative}.qmark{opacity:.85;border:1px solid;border-radius:999px;justify-content:center;align-items:center;width:18px;height:18px;font-size:12px;line-height:1;display:inline-flex}.tooltip{z-index:50;background:var(--card);width:min(420px,80vw);color:var(--text,#111);border:1px solid var(--border);opacity:0;visibility:hidden;border-radius:12px;padding:12px 14px;font-size:13px;line-height:1.4;transition:opacity .12s,transform .12s,visibility .12s;position:absolute;top:calc(100% + 8px);left:0;transform:translateY(-4px);box-shadow:0 10px 25px #0000001f}.tooltip:before{content:"";background:var(--card);border-left:1px solid var(--border);border-top:1px solid var(--border);width:12px;height:12px;position:absolute;top:-6px;left:16px;transform:rotate(45deg)}.tooltip-trigger:hover .tooltip,.tooltip-trigger:focus .tooltip,.tooltip-trigger:focus-visible .tooltip{opacity:1;visibility:visible;transform:translateY(0)}.price-history{margin:18px 0 24px}.price-history h2{text-align:left;margin:0 0 10px;font-size:1rem;line-height:1.25}.chart-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:12px;box-shadow:0 2px 8px #0000000a}.seo-summary{color:var(--muted);max-width:90ch;margin:4px 0 8px;font-size:.9rem}.price-history-text{max-width:90ch;color:var(--muted);margin-top:8px;font-size:.9rem;line-height:1.45}