{
  "materials": [
    {
      "id": "us_floor_001",
      "name": "Laminate Flooring",
      "category": "地面",
      "brand": "Pergo",
      "model": "Outlast+",
      "price_per_unit": 2.59,
      "unit": "sq ft",
      "style_match": ["Modern Minimalist", "Scandinavian", "Industrial"],
      "description": "Waterproof laminate, 10mm thick, lifetime warranty",
      "supplier": "Home Depot",
      "purchase_url": "https://www.homedepot.com/p/Pergo-Outlast+"
    },
    {
      "id": "us_floor_002",
      "name": "Hardwood Flooring",
      "category": "地面",
      "brand": "Bruce",
      "model": "American Vintage",
      "price_per_unit": 5.99,
      "unit": "sq ft",
      "style_match": ["Traditional", "American", "Luxury"],
      "description": "Solid hardwood, oak, 3/4\" thick",
      "supplier": "Lowe's",
      "purchase_url": "https://www.lowes.com/p/bruce-hardwood"
    },
    {
      "id": "us_floor_003",
      "name": "Vinyl Plank Flooring",
      "category": "地面",
      "brand": "COREtec",
      "model": "Pro Plus",
      "price_per_unit": 3.99,
      "unit": "sq ft",
      "style_match": ["Modern", "Scandinavian", "Minimalist"],
      "description": "100% waterproof, rigid core, attached underlayment",
      "supplier": "Floor & Decor",
      "purchase_url": "https://www.flooranddecor.com/coretec"
    },
    {
      "id": "us_floor_004",
      "name": "Luxury Vinyl Tile",
      "category": "地面",
      "brand": "Shaw",
      "model": "Premio Plus",
      "price_per_unit": 4.59,
      "unit": "sq ft",
      "style_match": ["Modern", "Luxury", "Mediterranean"],
      "description": "Premium LVT, stone look, 20mil wear layer",
      "supplier": "Shaw Floors",
      "purchase_url": "https://www.shawfloors.com/premio"
    },
    {
      "id": "us_floor_005",
      "name": "Engineered Hardwood",
      "category": "地面",
      "brand": "Mohawk",
      "model": "RevWood Select",
      "price_per_unit": 4.29,
      "unit": "sq ft",
      "style_match": ["Traditional", "Transitional", "American"],
      "description": "Water-resistant engineered hardwood, 5/8\" thick",
      "supplier": "Home Depot",
      "purchase_url": "https://www.homedepot.com/p/mohawk-revwood"
    },
    {
      "id": "us_floor_006",
      "name": "Porcelain Tile",
      "category": "地面",
      "brand": "Daltile",
      "model": "Urban Passages",
      "price_per_unit": 3.49,
      "unit": "sq ft",
      "style_match": ["Industrial", "Mediterranean", "Modern"],
      "description": "Glazed porcelain, slip-resistant, indoor/outdoor",
      "supplier": "Floor & Decor",
      "purchase_url": "https://www.flooranddecor.com/daltile-urban"
    },
    {
      "id": "us_wall_001",
      "name": "Interior Paint",
      "category": "墙面",
      "brand": "Behr",
      "model": "Marquee",
      "price_per_unit": 42.98,
      "unit": "gallon",
      "style_match": ["Modern", "Scandinavian", "Minimalist", "Industrial"],
      "description": "One-coat coverage, low VOC, 400 sq ft/gallon",
      "supplier": "Home Depot",
      "purchase_url": "https://www.homedepot.com/p/behr-marquee"
    },
    {
      "id": "us_wall_002",
      "name": "Premium Paint",
      "category": "墙面",
      "brand": "Sherwin-Williams",
      "model": "Duration Home",
      "price_per_unit": 65.99,
      "unit": "gallon",
      "style_match": ["Traditional", "Luxury", "American"],
      "description": "Anti-microbial, washable, 400 sq ft/gallon",
      "supplier": "Sherwin-Williams",
      "purchase_url": "https://www.sherwin-williams.com/duration"
    },
    {
      "id": "us_wall_003",
      "name": "Interior Paint Plus",
      "category": "墙面",
      "brand": "Valspar",
      "model": "Reserve",
      "price_per_unit": 52.98,
      "unit": "gallon",
      "style_match": ["Modern", "Traditional", "Transitional"],
      "description": "ScuffShield technology, excellent coverage, 400 sq ft/gal",
      "supplier": "Lowe's",
      "purchase_url": "https://www.lowes.com/p/valspar-reserve"
    },
    {
      "id": "us_wall_004",
      "name": "Designer Paint",
      "category": "墙面",
      "brand": "Benjamin Moore",
      "model": "Aura",
      "price_per_unit": 78.99,
      "unit": "gallon",
      "style_match": ["Luxury", "Traditional", "American"],
      "description": "Color Lock technology, extreme hide, 350-400 sq ft/gal",
      "supplier": "Benjamin Moore",
      "purchase_url": "https://www.benjaminmoore.com/aura"
    },
    {
      "id": "us_wall_005",
      "name": "Wallpaper",
      "category": "墙面",
      "brand": "York Wallcoverings",
      "model": "Sure Strip",
      "price_per_unit": 68.00,
      "unit": "roll",
      "style_match": ["Traditional", "Luxury", "Mediterranean"],
      "description": "Prepasted, removable, 56 sq ft per roll",
      "supplier": "Wayfair",
      "purchase_url": "https://www.wayfair.com/york-surestrip"
    },
    {
      "id": "us_ceiling_001",
      "name": "Ceiling Tiles",
      "category": "顶面",
      "brand": "Armstrong",
      "model": "Cortona",
      "price_per_unit": 1.85,
      "unit": "sq ft",
      "style_match": ["Modern", "Industrial", "Minimalist"],
      "description": "12\"x12\" mineral fiber, noise reduction",
      "supplier": "Home Depot",
      "purchase_url": "https://www.homedepot.com/p/armstrong-cortona"
    },
    {
      "id": "us_ceiling_002",
      "name": "Suspended Ceiling Grid",
      "category": "顶面",
      "brand": "USG",
      "model": "Donn",
      "price_per_unit": 2.45,
      "unit": "sq ft",
      "style_match": ["Industrial", "Modern", "Commercial"],
      "description": "15/16\" exposed grid system, 4x4 layout",
      "supplier": "Home Depot",
      "purchase_url": "https://www.homedepot.com/p/usg-donn"
    },
    {
      "id": "us_ceiling_003",
      "name": "Drywall Ceiling",
      "category": "顶面",
      "brand": "Georgia-Pacific",
      "model": "DensArmor Plus",
      "price_per_unit": 1.25,
      "unit": "sq ft",
      "style_match": ["Traditional", "American", "Luxury"],
      "description": "Moisture/mold resistant, 5/8\" thick",
      "supplier": "Lowe's",
      "purchase_url": "https://www.lowes.com/p/gp-densarmor"
    },
    {
      "id": "us_kitchen_001",
      "name": "Stock Cabinets",
      "category": "厨房",
      "brand": "Hampton Bay",
      "model": "Cambridge",
      "price_per_unit": 120.0,
      "unit": "linear ft",
      "style_match": ["Modern", "Traditional", "American"],
      "description": "Ready-to-assemble, soft close hinges",
      "supplier": "Home Depot",
      "purchase_url": "https://www.homedepot.com/p/hampton-bay"
    },
    {
      "id": "us_kitchen_002",
      "name": "Semi-Custom Cabinets",
      "category": "厨房",
      "brand": "KraftMaid",
      "model": "Vynex",
      "price_per_unit": 280.0,
      "unit": "linear ft",
      "style_match": ["Luxury", "Traditional", "Transitional"],
      "description": "Plywood boxes, dovetail drawers, lifetime warranty",
      "supplier": "Lowe's",
      "purchase_url": "https://www.lowes.com/p/kraftmaid"
    },
    {
      "id": "us_kitchen_003",
      "name": "RTA Cabinets",
      "category": "厨房",
      "brand": "IKEA",
      "model": "SEKTION",
      "price_per_unit": 95.0,
      "unit": "linear ft",
      "style_match": ["Modern", "Scandinavian", "Minimalist"],
      "description": "Ready-to-assemble, 25-year warranty",
      "supplier": "IKEA",
      "purchase_url": "https://www.ikea.com/sektion"
    },
    {
      "id": "us_kitchen_004",
      "name": "Custom Cabinets",
      "category": "厨房",
      "brand": "Merillat",
      "model": "Classic",
      "price_per_unit": 350.0,
      "unit": "linear ft",
      "style_match": ["Luxury", "Traditional", "American"],
      "description": "All-plywood construction, soft-close, custom finishes",
      "supplier": "Build.com",
      "purchase_url": "https://www.build.com/merillat-classic"
    },
    {
      "id": "us_kitchen_005",
      "name": "Quartz Countertop",
      "category": "厨房",
      "brand": "Cambria",
      "model": "Brittanicca",
      "price_per_unit": 65.0,
      "unit": "sq ft",
      "style_match": ["Luxury", "Modern", "Traditional"],
      "description": "Quartz surface, 25-year warranty, stain resistant",
      "supplier": "Cambria",
      "purchase_url": "https://www.cambriausa.com/brittanicca"
    },
    {
      "id": "us_bathroom_001",
      "name": "Bathroom Vanity",
      "category": "卫浴",
      "brand": "Kohler",
      "model": "Verticent",
      "price_per_unit": 899.0,
      "unit": "piece",
      "style_match": ["Modern", "Traditional", "Luxury"],
      "description": "36\" vanity, quartz top, soft-close drawers",
      "supplier": "Build.com",
      "purchase_url": "https://www.build.com/kohler-verticent"
    },
    {
      "id": "us_bathroom_002",
      "name": "Shower System",
      "category": "卫浴",
      "brand": "Delta",
      "model": "Trinsic",
      "price_per_unit": 450.0,
      "unit": "set",
      "style_match": ["Modern", "Industrial", "Minimalist"],
      "description": "Rain can shower head, handheld, valve included",
      "supplier": "Ferguson",
      "purchase_url": "https://www.ferguson.com/delta-trinsic"
    },
    {
      "id": "us_bathroom_003",
      "name": "Toilet",
      "category": "卫浴",
      "brand": "TOTO",
      "model": "Drake II",
      "price_per_unit": 380.0,
      "unit": "piece",
      "style_match": ["Modern", "Minimalist", "Japanese"],
      "description": "Elongated bowl, 1.28 GPF, WaterSense certified",
      "supplier": "Build.com",
      "purchase_url": "https://www.build.com/toto-drake2"
    },
    {
      "id": "us_bathroom_004",
      "name": "Freestanding Tub",
      "category": "卫浴",
      "brand": "Kohler",
      "model": "Underscore",
      "price_per_unit": 1299.0,
      "unit": "piece",
      "style_match": ["Luxury", "Traditional", "Spa"],
      "description": "60\" freestanding, acrylic, integral drain",
      "supplier": "Wayfair",
      "purchase_url": "https://www.wayfair.com/kohler-underscore"
    },
    {
      "id": "us_lighting_001",
      "name": "LED Recessed Lighting",
      "category": "灯具",
      "brand": "Lithonia Lighting",
      "model": "WFR 6 inch",
      "price_per_unit": 24.97,
      "unit": "piece",
      "style_match": ["Modern", "Minimalist", "Industrial"],
      "description": "5CCT selectable, dimmable, 1000 lumens",
      "supplier": "Home Depot",
      "purchase_url": "https://www.homedepot.com/p/lithonia-wfr"
    },
    {
      "id": "us_lighting_002",
      "name": "Pendant Light",
      "category": "灯具",
      "brand": "Progress Lighting",
      "model": "Cylinder",
      "price_per_unit": 89.0,
      "unit": "piece",
      "style_match": ["Modern", "Scandinavian", "Industrial"],
      "description": "4-light pendant, brushed nickel, clear glass",
      "supplier": "Lowe's",
      "purchase_url": "https://www.lowes.com/progress-lighting"
    },
    {
      "id": "us_lighting_003",
      "name": "Chandelier",
      "category": "灯具",
      "brand": "Kichler",
      "model": "Towner",
      "price_per_unit": 349.0,
      "unit": "piece",
      "style_match": ["Luxury", "Traditional", "American"],
      "description": "9-light chandelier, brushed nickel, clear glass",
      "supplier": "Build.com",
      "purchase_url": "https://www.build.com/kichler-towner"
    },
    {
      "id": "us_lighting_004",
      "name": "Smart LED Bulb",
      "category": "灯具",
      "brand": "Philips Hue",
      "model": "White and Color Ambiance",
      "price_per_unit": 49.99,
      "unit": "piece",
      "style_match": ["Modern", "Smart Home", "Minimalist"],
      "description": "Bluetooth + Zigbee, 16M colors, voice control",
      "supplier": "Amazon",
      "purchase_url": "https://www.amazon.com/philips-hue-ambiance"
    },
    {
      "id": "us_lighting_005",
      "name": "Under Cabinet Lighting",
      "category": "灯具",
      "brand": "Brilliant Evolution",
      "model": "LED Puck Light",
      "price_per_unit": 19.99,
      "unit": "piece",
      "style_match": ["Modern", "Kitchen", "Functional"],
      "description": "Battery operated, dimmable, remote control, 55 lumens",
      "supplier": "Amazon",
      "purchase_url": "https://www.amazon.com/brilliant-evolution-puck"
    }
  ],
  "rooms": {
    "living_room": {
      "name": "Living Room",
      "areas": {
        "floor": 300.0,
        "wall": 600.0,
        "ceiling": 300.0
      },
      "required_materials": ["floor", "wall", "ceiling", "lighting"]
    },
    "bedroom": {
      "name": "Bedroom",
      "areas": {
        "floor": 200.0,
        "wall": 400.0,
        "ceiling": 200.0
      },
      "required_materials": ["floor", "wall", "ceiling", "lighting"]
    },
    "kitchen": {
      "name": "Kitchen",
      "areas": {
        "floor": 150.0,
        "wall": 200.0,
        "ceiling": 150.0
      },
      "required_materials": ["floor", "wall", "ceiling", "kitchen", "lighting"]
    }
  },
  "tips": {
    "budget_friendly": [
      "Use laminate instead of hardwood (save 50%)",
      "Buy paint during 20% off sales at Home Depot/Lowe's",
      "Consider RTA (Ready-to-Assemble) cabinets",
      "Shop Floor & Decor for tiles and vinyl",
      "Use LED bulbs instead of smart bulbs (save 60%)"
    ],
    "premium": [
      "Hardwood adds 3-5% to home value",
      "Quartz countertops are most popular (45% of remodels)",
      "Smart lighting increases home value by 3-7%",
      "Custom cabinets can last 30+ years (better ROI)"
    ]
  }
}