#lsc-app{max-width:1000px;margin:40px auto;font-family:Inter,Arial}
table{width:100%;border-collapse:collapse;margin-top:20px}
th,td{padding:12px;border-bottom:1px solid #eee;vertical-align:top}
th{background:#fafafa}
button{padding:12px 24px;border-radius:10px}
.hint{color:#666;font-size:14px;margin-top:6px}
.explain{font-size:13px;color:#555}