* { margin: 0; padding: 0; box-sizing: border-box; }

body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif; background: #f5f5f5; color: #333; line-height: 1.6; }

.top-nav { background: #1a1a2e; color: #fff; display: flex; align-items: center; justify-content: space-between; padding: 10px 12px; position: sticky; top: 0; z-index: 100; width: 100%; max-width: 414px; margin: 0 auto; }
.nav-left, .nav-right { width: 60px; }
.back-btn { color: #d4af37; text-decoration: none; font-size: 14px; font-weight: bold; }
.logo-center { font-size: 18px; font-weight: bold; color: #d4af37; white-space: nowrap; }

.container { width: 100%; max-width: 414px; margin: 0 auto; padding: 4px 4px 15px; }

.category-list { display: flex; gap: 3px; overflow-x: auto; padding-bottom: 4px; margin-bottom: 5px; }
.category-list::-webkit-scrollbar { display: none; }
.category-item { text-align: center; min-width: 60px; padding: 8px 6px; background: linear-gradient(135deg, #fff, #faf8f5); border-radius: 8px; border: 1px solid #f0e6d3; text-decoration: none; cursor: pointer; display: flex; flex-direction: column; align-items: center; }
.category-item img { width: 50px; height: 50px; border-radius: 50%; object-fit: cover; margin-bottom: 0; }
.category-item span { font-size: 11px; color: #666; font-weight: 500; }

.auction-list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 80px; }

.auction-item { display: block; background: #fff; border-radius: 8px; padding: 8px; text-decoration: none; color: #333; box-shadow: 0 2px 4px rgba(0,0,0,0.05); width: calc(50% - 4px); }
.auction-item:hover { box-shadow: 0 4px 8px rgba(0,0,0,0.1); }

.auction-image { width: 100%; aspect-ratio: 1; border-radius: 6px; overflow: hidden; margin-bottom: 8px; }
.auction-image img { width: 100%; height: 100%; object-fit: cover; }

.auction-info { padding: 0 2px; }

.auction-title { font-size: 13px; font-weight: bold; color: #333; margin-bottom: 6px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.auction-meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.auction-category { display: inline-block; padding: 3px 6px; background: linear-gradient(135deg, #d4af37, #c9a227); color: #1a1a2e; border-radius: 10px; font-size: 10px; font-weight: bold; }
.auction-time { font-size: 10px; color: #e74c3c; font-weight: bold; }

.auction-price { display: flex; justify-content: space-between; align-items: center; }
.current-price { font-size: 14px; font-weight: bold; color: #d4af37; }
.bid-count { font-size: 10px; color: #999; }

.auction-user-info { display: flex; flex-direction: column; gap: 4px; margin-top: 6px; padding-top: 6px; border-top: 1px solid #f0f0f0; }
.auction-provider { font-size: 10px; color: #666; }
.auction-sponsor { font-size: 10px; color: #d4af37; }

.load-more { text-align: center; padding: 20px 0; }
.load-btn { padding: 10px 30px; background: #fff; border: 2px solid #d4af37; color: #d4af37; border-radius: 20px; font-size: 14px; font-weight: bold; cursor: pointer; }
.load-btn:hover { background: #d4af37; color: #1a1a2e; }

@media (max-width: 414px) {
    .container { padding: 10px; }
    .auction-item { padding: 12px; }
    .auction-title { font-size: 15px; }
}