* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; background: linear-gradient(135deg, #faf8f6 0%, #f5f0eb 100%); color: #333; font-size: 15px; }
header { background: linear-gradient(135deg, #fff 0%, #fdf8f3 100%); padding: 14px 16px; text-align: center; border-bottom: 1px solid #f0e6df; position: sticky; top: 0; z-index: 10; box-shadow: 0 2px 8px rgba(139,105,20,0.05); }
header h1 { font-size: 18px; font-weight: 600; color: #8b6914; margin-bottom: 10px; letter-spacing: 2px; }
header input { width: 100%; padding: 10px 16px; border: 1px solid #e8ddd4; border-radius: 24px; font-size: 14px; background: #fff; outline: none; box-shadow: 0 2px 6px rgba(139,105,20,0.05); }
header input:focus { border-color: #c9a86c; box-shadow: 0 2px 8px rgba(201,168,108,0.15); }
.main { display: flex; height: calc(100vh - 110px); }
.sidebar { width: 68px; background: linear-gradient(180deg, #fff 0%, #fdf8f3 100%); border-right: 1px solid #f0e6df; display: flex; flex-direction: column; padding: 12px 0; flex-shrink: 0; }
.sidebar-btn { padding: 16px 0; border: none; background: transparent; font-size: 13px; color: #888; cursor: pointer; border-left: 3px solid transparent; text-align: center; transition: all 0.3s; }
.sidebar-btn:hover { color: #8b6914; background: #fdf6f0; }
.sidebar-btn.active { color: #fff; border-left-color: #8b6914; background: linear-gradient(90deg, #c9a86c 0%, #a67c52 100%); font-weight: 600; border-radius: 0 8px 8px 0; }
#productGrid { flex: 1; padding: 12px; display: flex; flex-direction: column; gap: 12px; overflow-y: auto; }
.product-card { background: linear-gradient(135deg, #fff 0%, #fdfbf9 100%); border-radius: 12px; padding: 14px; box-shadow: 0 4px 12px rgba(139,105,20,0.08); display: flex; align-items: center; gap: 12px; border: 1px solid #f5efe8; transition: transform 0.2s, box-shadow 0.2s; }
.product-card:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(139,105,20,0.12); }
.product-info { flex: 1; min-width: 0; }
.product-name { font-size: 15px; font-weight: 600; color: #2c2c2c; margin-bottom: 6px; line-height: 1.3; }
.product-row { font-size: 13px; margin-bottom: 3px; color: #666; }
.product-price { font-size: 18px; font-weight: 700; color: #c9a86c; margin: 6px 0; }
.product-bottom { font-size: 12px; color: #999; margin-top: 4px; }
.product-bottom span { display: block; margin-bottom: 2px; }
.product-bottom span:last-child { padding-top: 6px; border-top: 1px dashed #f0e6df; }
.product-img { width: 110px; height: 110px; object-fit: contain; background: linear-gradient(135deg, #fdf6f0 0%, #f8f4ef 100%); border-radius: 8px; flex-shrink: 0; border: 1px solid #f0e6df; }
#loading, #noData { text-align: center; padding: 30px 16px; color: #999; }