/* 深蓝幻境 / 强制覆盖版 */
#u {
  display: block !important;
  font-size: 14px !important;
  line-height: 1.6 !important;
  color: #c0d8f0 !important;
  background: #060c1a !important; 
  padding: 12px !important;
  border-radius: 10px !important;
  border: 1px solid rgba(0, 229, 255, 0.2) !important;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.6), inset 0 0 30px rgba(0, 229, 255, 0.05) !important;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif !important;
}

#u details {
  margin-bottom: 10px !important;
  background: linear-gradient(135deg, rgba(12, 34, 60, 0.7), rgba(4, 10, 20, 0.9)) !important;
  border: 1px solid rgba(0, 229, 255, 0.15) !important;
  border-radius: 6px !important;
  overflow: hidden !important;
}

#u details[open] {
  border-color: rgba(0, 229, 255, 0.5) !important;
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.15) !important;
}

#u summary {
  list-style: none !important;
  padding: 8px 12px !important;
  font-weight: bold !important;
  font-size: 15px !important;
  color: #00E5FF !important; 
  background: rgba(0, 229, 255, 0.08) !important;
  cursor: pointer !important;
  user-select: none !important;
  display: flex !important;
  align-items: center !important;
}

#u summary::-webkit-details-marker {
  display: none !important;
}

#u summary::before {
  content: "" !important;
  display: inline-block !important;
  width: 4px !important;
  height: 14px !important;
  background: #00E5FF !important;
  margin-right: 8px !important;
  border-radius: 2px !important;
  box-shadow: 0 0 6px #00E5FF !important;
}

#u details > *:not(summary) {
  margin: 8px 12px !important;
}

#u strong {
  color: #4facfe !important;
  font-weight: 600 !important;
  margin-right: 4px !important;
}

#u em {
  display: inline-block !important;
  color: #89b4f8 !important;
  font-style: normal !important;
  font-size: 0.9em !important;
  background: rgba(137, 180, 248, 0.08) !important;
  border: 1px dashed rgba(137, 180, 248, 0.4) !important;
  border-radius: 4px !important;
  padding: 2px 6px !important;
  margin: 3px 2px !important;
}

#u ul, #u ol {
  padding-left: 1.6em !important;
  margin: 6px 0 !important;
}

#u li {
  margin-bottom: 4px !important;
}

#u hr {
  border: none !important;
  height: 1px !important;
  background: linear-gradient(90deg, transparent, #00E5FF, transparent) !important;
  opacity: 0.5 !important;
  margin: 12px 0 !important;
}

#u table {
  width: 100% !important;
  border-collapse: collapse !important;
  font-size: 0.9em !important;
  margin: 8px 0 !important;
}

#u th, #u td {
  border: 1px solid rgba(0, 229, 255, 0.2) !important;
  padding: 6px 8px !important;
  text-align: left !important;
}

#u th {
  background: rgba(0, 229, 255, 0.15) !important;
  color: #00E5FF !important;
}