Landing Page Pattern: Cart Page with Upsells. Keywords: cart, shopping cart, upsell, cross-sell, cart page, bag, basket, order. Section Order: 1. Cart items list with quantity controls, 2. Cross-sell recommendations (You might also like), 3. Promo code input, 4. Order subtotal + shipping estimate, 5. Checkout CTA. Primary CTA Placement: Checkout button sticky bottom + After cart items. Color Strategy: Cart items: White cards. Upsell: Light bg #FAFAFA carousel. CTA: Brand primary high contrast. Sale/discount: Red #DC2626. Free shipping: Green #16A34A.. Recommended Effects: Quantity animation, upsell carousel slide, promo code validation, remove item slide-out. Conversion Optimization: Upsell increases AOV 10-30%. Show free shipping threshold. Persistent quantity controls. Save for later option. Mobile: sticky checkout bar..