High-end takeaway packaging design proposal board

Design a set of mass-producible high-end takeout packaging design proposal boards for [Brand Name]. The brand is [Brand Category], specializing in [Food Category], positioned as [Brand Positioning], and targeting [Target Audience]. The packaging system includes the main meal box, soup container, side dish box, drink cup, cup sleeve, utensil kit, sealing sticker, and takeout tote bag. The overall style is [Design Style], with [Main Color] as the primary color, [Secondary Color] as the secondary color, and [Accent Color] as the accent color.

The design should reference international packaging design award-winning works and mature catering takeout packaging cases, balancing brand recognition, food safety, delivery stability, leak-proof and oil-proof performance, insulation, crush resistance, eco-friendly materials, printing feasibility, and manufacturability for mass production. The visuals should resemble a high-end proposal board submitted by a professional packaging design company to the brand and factory, including a large central 45° 3D packaging rendering, front view, back view, left and right side views, top view, bottom view, open state view, closed state view, complete packaging display view, takeout delivery scene view, and full die-cut unfolded diagram.

The die-cut diagram must include cutting lines, folding lines, creasing lines, gluing areas, locking structures, tab structures, sealing sticker positions, handle hole positions, window areas, and inner tray or partition structures. Please label the finished product dimensions, unfolded dimensions, 3mm bleed, safety margins, paper weight, material, printing method, CMYK color values, Pantone spot color suggestions, surface finishes, oil-proof and water-proof instructions, food-grade safety instructions, and reserved areas for QR codes and barcodes.

The overall visual should be high-end, clean, refined, appetizing, and memorable for the brand, with professional composition, clear information hierarchy, and sophisticated color matching. It should be suitable for display on takeout platforms, user photography and sharing, and manufacturer proofing and mass production. Avoid cheap-looking aesthetics, chaotic color schemes, unproducible structures, incorrect text, incorrect dimensions, and infringing elements.