body { font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; max-width: 1080px; margin: 0 auto; padding: 16px; color: #222; }
header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
#msg { color: #b3261e; min-height: 1.2em; }
section { border: 1px solid #ddd; border-radius: 8px; padding: 12px; margin: 12px 0; }
label { margin-right: 8px; }
input { margin: 4px 2px; padding: 4px 6px; }
button { padding: 4px 10px; margin: 2px; cursor: pointer; }
table { width: 100%; border-collapse: collapse; margin-top: 8px; font-size: 14px; }
th, td { border: 1px solid #ddd; padding: 6px; text-align: left; word-break: break-all; }
th { background: #f5f5f5; }