6 金屬梯度對比（不只金 vs 銀，給你梯度顆粒度）
Reddit 月榜 #1 的金 vs 銀問題升級版：黃金/香檳金/玫瑰金/銀/白金/槍色 6 梯度同人對照。頂評常說「香檳金不要黃金」，顆粒度才是答案
From the uploaded portrait (neck-up, no jewelry), create a premium metal gradient comparison card.
- Same face × 6 side-by-side variants, each wearing one metal piece (necklace or earring)
- 6 gradients: ① Yellow Gold (#FFD700) ② Champagne Gold (#F7E7CE) ③ Rose Gold (#B76E79) ④ Silver (#C0C0C0) ⑤ Platinum (#E5E4E2) ⑥ Gunmetal (#2C2F33)
- Each labelled with name + HEX + fit indicator (✅ BEST / ⚠️ NORMAL / ❌ AVOID)
- Top: BEFORE neutral photo
- Bottom: 1 top pick + 1 second + 1 to avoid + explanation ("You're cool-toned, choose champagne gold over yellow because...")
Preserve identity. Clean magazine layout.6 寶石適配矩陣（珍珠/翡翠/紅藍寶/鑽石/黃金/瑪瑙）
XHS 綜合卡里的珠寶維度：珍珠/翡翠/紅藍寶/鑽石/黃金等代表性寶石與膚色的相容性，3 檔分級
From the uploaded portrait (neck and ears visible), create a gemstone matching matrix card.
6 representative gemstones compared: ① Pearl (light pink / pure white / South Sea gold) ② Jade (imperial green / icy / lavender) ③ Ruby (pigeon's blood) ④ Sapphire (royal blue / cornflower blue) ⑤ Diamond (D / F / I color) ⑥ Gold (24K / 18K / 14K)
- For each gemstone, one wearing-shot of same person, with: ✅ RECOMMENDED (glow / brighten skin) / ⚠️ NORMAL / ❌ AVOID (sallow / yellow-cast)
- Explain skin-tone match logic (e.g., "Pearl suits Cool Summer because of low chroma + high value...")
- Recommend 1-2 entry pieces per gem (earring / pendant / ring)
4:5 vertical, clean magazine layout, short labels only.