:root{--ink:#17201e;--muted:#65706c;--line:#d9dfdc;--paper:#f5f6f2;--surface:#ffffff;--green:#176b52;--lime:#b9d63b;--red:#bd4d45}*{box-sizing:border-box}body,html{background:var(--paper)}body{margin:0;min-width:320px;color:var(--ink);font-family:Arial,PingFang SC,Microsoft YaHei,sans-serif}a,button{font:inherit}a{color:inherit;text-decoration:none}.app-shell{width:min(1380px,calc(100% - 48px));margin:0 auto;padding:0 0 28px}.topbar{min-height:72px;justify-content:space-between;border-bottom:1px solid var(--line)}.brand,.topbar{display:flex;align-items:center}.brand{gap:10px;font-size:13px;font-weight:800;letter-spacing:1.4px}.brand-mark{width:20px;height:20px;display:block;border:5px solid 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span{max-width:560px;overflow:hidden;color:var(--muted);font-size:12px;text-overflow:ellipsis;white-space:nowrap}.price{font-weight:800}.price,.stock,.stock-low,.unknown{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.stock,.stock-low,.unknown{font-weight:700}.stock{color:var(--green)}.stock-low{color:#b36c19}.unknown{color:var(--muted);font-weight:500}.availability,.trend{display:inline-flex;align-items:center;min-height:25px;padding:0 9px;border-radius:3px;font-size:12px;font-weight:700}.availability{background:#e9f5ed;color:#27764c}.availability.low_stock{background:#fff2df;color:#a95f09}.trend.new{color:var(--green);background:#e9f5ed}.trend.down{color:#27764c;background:#e9f5ed}.trend.up{color:var(--red);background:#faecea}.trend.flat{color:var(--muted);background:#f0f2f1}.go-link{color:var(--green);font-size:13px;font-weight:800}.go-link:after{content:" ↗"}.empty{padding:32px 25px;color:var(--muted);text-align:center}.error-banner{margin:0 0 18px;padding:12px 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