* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif; background: #f0f2f5; color: #333; line-height: 1.6; }
a { color: #1677ff; text-decoration: none; }
.header { background: #001529; color: #fff; padding: 0 24px; height: 56px; display: flex; align-items: center; justify-content: space-between; }
.header .logo { font-size: 18px; font-weight: 600; }
.header nav a { color: rgba(255,255,255,.85); margin-left: 20px; font-size: 14px; }
.header nav a:hover { color: #fff; }
.container { max-width: 1100px; margin: 24px auto; padding: 0 16px; }
.card { background: #fff; border-radius: 8px; padding: 24px; margin-bottom: 16px; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.card h2 { font-size: 18px; margin-bottom: 16px; border-bottom: 1px solid #f0f0f0; padding-bottom: 12px; }
.btn { display: inline-block; padding: 8px 20px; border-radius: 6px; border: none; cursor: pointer; font-size: 14px; }
.btn-primary { background: #1677ff; color: #fff; }
.btn-primary:hover { background: #4096ff; }
.btn-danger { background: #ff4d4f; color: #fff; }
.btn-sm { padding: 4px 12px; font-size: 12px; }
input, select { padding: 8px 12px; border: 1px solid #d9d9d9; border-radius: 6px; width: 100%; margin-bottom: 12px; font-size: 14px; }
label { display: block; margin-bottom: 4px; font-size: 13px; color: #666; }
.form-row { margin-bottom: 8px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.product-card { border: 1px solid #f0f0f0; border-radius: 8px; padding: 20px; transition: box-shadow .2s; }

/* 商品描述艺术字（标签与内容均可生效） */
.desc-k.desc-art-gradient-gold,
.desc-v.desc-art-gradient-gold {
  background: linear-gradient(135deg, #ffd700 0%, #ff8c00 50%, #ff6b00 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  font-weight: 700;
}
.desc-k.desc-art-gradient-blue,
.desc-v.desc-art-gradient-blue {
  background: linear-gradient(135deg, #1677ff 0%, #36cfc9 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  font-weight: 700;
}
.desc-k.desc-art-gradient-red,
.desc-v.desc-art-gradient-red {
  background: linear-gradient(135deg, #ff4d4f 0%, #ff7875 50%, #ffadd2 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  font-weight: 700;
}
.desc-k.desc-art-glow-cyan,
.desc-v.desc-art-glow-cyan {
  color: #00d4ff; font-weight: 700;
  text-shadow: 0 0 6px rgba(0, 212, 255, 0.85), 0 0 14px rgba(0, 180, 255, 0.45);
}
.desc-k.desc-art-glow-gold,
.desc-v.desc-art-glow-gold {
  color: #ffc107; font-weight: 700;
  text-shadow: 0 0 6px rgba(255, 193, 7, 0.9), 0 0 12px rgba(255, 140, 0, 0.5);
}
.desc-k.desc-art-shadow-3d,
.desc-v.desc-art-shadow-3d {
  color: #333; font-weight: 800;
  text-shadow: 1px 1px 0 #bbb, 2px 2px 0 #aaa, 3px 3px 0 #999, 4px 4px 6px rgba(0,0,0,.15);
}
.desc-k.desc-art-neon-pink,
.desc-v.desc-art-neon-pink {
  color: #ff4d9e; font-weight: 700;
  text-shadow: 0 0 4px #ff4d9e, 0 0 10px rgba(255, 77, 158, 0.7), 0 0 18px rgba(255, 0, 128, 0.35);
}
.product-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,.1); }
.product-card .price { font-size: 28px; color: #ff4d4f; font-weight: 700; margin: 12px 0; }
.product-card .price span { font-size: 14px; color: #999; }
.product-card .spec { font-size: 13px; color: #666; line-height: 2; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-item { background: #fff; border-radius: 8px; padding: 20px; text-align: center; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.stat-item .num { font-size: 28px; font-weight: 700; color: #1677ff; }
.stat-item .label { font-size: 13px; color: #999; margin-top: 4px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid #f0f0f0; }
th { background: #fafafa; font-weight: 600; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 12px; }
.tag-green { background: #f6ffed; color: #52c41a; }
.tag-orange { background: #fff7e6; color: #fa8c16; }
.tag-red { background: #fff2f0; color: #ff4d4f; }
.tag-blue { background: #e6f4ff; color: #1677ff; }
.hero { background: linear-gradient(135deg, #1677ff 0%, #0958d9 100%); color: #fff; padding: 48px 24px; border-radius: 8px; margin-bottom: 24px; text-align: center; }
.hero h1 { font-size: 32px; margin-bottom: 12px; }
.hero p { opacity: .85; font-size: 16px; }
.login-box { max-width: 400px; margin: 60px auto; }
.msg { padding: 10px 14px; border-radius: 6px; margin-bottom: 12px; font-size: 14px; }
.msg-error { background: #fff2f0; color: #ff4d4f; border: 1px solid #ffccc7; }
.msg-ok { background: #f6ffed; color: #52c41a; border: 1px solid #b7eb8f; }
.footer { text-align: center; padding: 24px; color: #999; font-size: 13px; }
@media (max-width: 768px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* 商品库存徽标：充足黑 / 少货黄 / 售罄红 */
.stock-badge {
  flex-shrink: 0;
  min-width: 52px;
  padding: 6px 10px;
  text-align: center;
  border: 1px solid #e5e7eb;
  border-radius: 4px;
  background: #fff;
  line-height: 1.25;
}
.stock-badge-label {
  display: block;
  font-size: 11px;
  color: #9ca3af;
  margin-bottom: 2px;
}
.stock-badge-val {
  display: block;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
}
.stock-ok { border-color: #e5e7eb; }
.stock-ok .stock-badge-val { color: #111827; }
.stock-sufficient .stock-badge-val { color: #16a34a; }
.stock-sufficient { border-color: #bbf7d0; background: #f0fdf4; }
.stock-low { border-color: #fbbf24; background: #fffbeb; }
.stock-low .stock-badge-label,
.stock-low .stock-badge-val { color: #ca8a04; }
.stock-out { border-color: #fecaca; background: #fef2f2; }
.stock-out .stock-badge-val { color: #dc2626; font-size: 13px; }
.stock-unknown { border-color: #d1d5db; background: #f9fafb; }
.stock-unknown .stock-badge-val { color: #6b7280; font-size: 13px; }
.stock-unlimited .stock-badge-val { color: #16a34a; }
.stock-sync-fail { border-color: #fca5a5; background: #fff1f2; }
.stock-sync-fail .stock-badge-val { color: #b91c1c; font-size: 12px; }
.pcard-body-top { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 12px; flex: 1; }
.pcard-body-top .pcard-desc { flex: 1; min-width: 0; margin-bottom: 0; }
.order-card-desc-row { display: flex; gap: 12px; align-items: flex-start; }
.order-card-desc-row .order-card-desc { flex: 1; min-width: 0; }