.stair-wrap{max-width:520px;margin:0 auto;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:#1a1a1a}
.stair-header{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.stair-icon{font-size:34px;line-height:1}
.stair-title{font-size:22px!important;font-weight:600!important;margin:0 0 3px!important;padding:0!important;border:none!important;color:#1a1a1a!important}
.stair-sub{font-size:13px;color:#666;margin:0}
.stair-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:4px}
@media(max-width:380px){.stair-grid{grid-template-columns:1fr}}
.stair-lbl{display:block;font-size:13px;font-weight:500;color:#555;margin-bottom:5px}
.stair-iw{position:relative}
.stair-iw input{width:100%;box-sizing:border-box;padding:9px 38px 9px 12px;border:1px solid #d0d0d0;border-radius:8px;font-size:14px;color:#1a1a1a;background:#fff;outline:none;-moz-appearance:textfield}
.stair-iw input::-webkit-inner-spin-button,.stair-iw input::-webkit-outer-spin-button{-webkit-appearance:none}
.stair-iw input:focus{border-color:#92400E;box-shadow:0 0 0 3px rgba(146,64,14,.1)}
.stair-suf{position:absolute;right:8px;top:50%;transform:translateY(-50%);font-size:11px;color:#999;pointer-events:none}
.stair-group{margin-bottom:10px}
.stair-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px;animation:stair-in .22s ease}
@keyframes stair-in{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
.stair-card{border-radius:11px;padding:13px 10px;text-align:center;border:1px solid}
.stair-c1{background:linear-gradient(135deg,#92400E,#78350F);color:#fff;border-color:#92400E}
.stair-c2{background:#fef3c7;border-color:#fde047}.stair-c3{background:#dbeafe;border-color:#93c5fd}
.stair-card-val{font-size:17px;font-weight:700;font-family:monospace;margin-bottom:3px}
.stair-card-lbl{font-size:11px}
.stair-c1 .stair-card-val,.stair-c1 .stair-card-lbl{color:#fff;opacity:1}.stair-c1 .stair-card-lbl{opacity:.8}
.stair-c2 .stair-card-val{color:#92400E}.stair-c3 .stair-card-val{color:#1e40af}
.stair-detail{background:#fafafa;border:1px solid #e8e8e8;border-radius:10px;padding:12px 16px;margin-top:10px}
.stair-d-row{display:flex;justify-content:space-between;font-size:13px;padding:5px 0;border-bottom:1px solid #f0f0f0}
.stair-d-row:last-child{border-bottom:none}
.stair-d-lbl{color:#555}.stair-d-val{font-family:monospace;font-weight:600}
.stair-warn{background:#fffbeb;border:1px solid #fde68a;border-radius:9px;padding:10px 14px;font-size:13px;color:#92400E;margin-top:10px}