*,:after,:before{margin:0;padding:0;box-sizing:border-box}:root{--text-primary:#1d1d1f;--text-secondary:#333;--text-tertiary:#666;--text-muted:#999;--bg:#f7f7f7;--bg-elevated:#fff;--bg-section:#fff;--surface-hover:#f0f0f2;--border:#e0e0e0;--border-light:#eee;--accent:#0071e3;--accent-hover:#005bb5;--accent-text:#0071e3;--shadow:0 2px 8px rgba(0,0,0,.06);--shadow-lg:0 8px 24px rgba(0,0,0,.1);--shadow-card:0 1px 4px rgba(0,0,0,.04);--radius:980px;--radius-lg:16px;--radius-card:12px;--transition:0.2s ease;--header-bg:#fff;--badge-bg:#e53935;--price-old:#999}[data-theme=dark]{--text-primary:#f5f5f7;--text-secondary:#d1d1d6;--text-tertiary:#a1a1a6;--text-muted:#6e6e73;--bg:#0a0a0a;--bg-elevated:#1c1c1e;--bg-section:#111;--surface-hover:#2c2c2e;--border:#333;--border-light:#222;--accent:#2997ff;--accent-hover:#0071e3;--accent-text:#2997ff;--shadow:0 2px 8px rgba(0,0,0,.3);--shadow-lg:0 8px 24px rgba(0,0,0,.4);--shadow-card:0 1px 4px 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