.frs-breadcrumb{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:20px;color:#64748b;font:500 13px Inter,sans-serif}
.frs-breadcrumb a{color:#1d3557;text-decoration:none}
.frs-breadcrumb a:hover{text-decoration:underline}
.frs-hero-grid{align-items:start}
.frs-lead{font-size:16px;line-height:1.75}
.frs-direct{margin:20px 0;padding:15px 17px;border:1px solid #bfdbfe;border-radius:11px;background:#eff6ff;color:#1e3a8a;font:13px/1.6 Inter,sans-serif}
.frs-stats{margin-bottom:20px}

.update-badge i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#e63946;margin-right:6px;animation:frs-pulse 2s infinite}
@keyframes frs-pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.4);opacity:.4}}

.frs-card{padding:24px;border-radius:16px;background:#fff;box-shadow:0 4px 20px rgba(0,0,0,0.06);border:1px solid #e2e8f0}
.frs-card-head{display:flex;justify-content:space-between;gap:12px;align-items:start;margin-bottom:18px}
.frs-card-head span{color:#e63946;font:700 10px Inter,sans-serif;letter-spacing:.07em;text-transform:uppercase}
.frs-card-head h2{margin:3px 0 0;font-size:19px}
.frs-card-head>b{padding:5px 9px;border-radius:99px;background:#dcfce7;color:#166534;font:700 9px Lexend,sans-serif}

.frs-toggle-bar{display:flex;background:#f1f5f9;border-radius:10px;padding:3px;margin-bottom:16px;gap:4px}
.frs-toggle-btn{flex:1;border:0;background:transparent;padding:7px 10px;border-radius:8px;font:700 11px Lexend,sans-serif;color:#64748b;cursor:pointer;transition:all .2s ease;text-align:center}
.frs-toggle-btn.is-active{background:#fff;color:#1d3557;box-shadow:0 2px 6px rgba(0,0,0,0.07)}

.frs-group{margin:0 0 16px;padding:14px;border:1px solid #e2e8f0;border-radius:12px;background:#f8fafc}
.frs-group legend{padding:0 6px;color:#1d3557;font:700 10px Lexend,sans-serif;text-transform:uppercase;letter-spacing:.04em}

.frs-field-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.frs-field-full{margin-bottom:12px}
.frs-field-full:last-child{margin-bottom:0}

.frs-label{display:flex;justify-content:space-between;align-items:baseline;font:700 11.5px Lexend,sans-serif;color:#1d3557;margin-bottom:5px}
.frs-label small{font:500 10.5px Inter,sans-serif;color:#64748b}

.frs-input-wrap{position:relative;display:flex;align-items:center}
.frs-input{width:100%;height:38px;padding:0 10px 0 12px;border:1.5px solid #dbe3ed;border-radius:8px;font:600 13px Inter,sans-serif;color:#1d3557;background:#fff;transition:border-color .15s ease}
.frs-input:focus{outline:0;border-color:#1d3557}
.frs-unit-badge{position:absolute;right:8px;padding:2px 7px;border-radius:5px;background:#f1f5f9;color:#64748b;font:700 10px Lexend,sans-serif;pointer-events:none}

.frs-seg-wrap{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.frs-seg-wrap.tri{grid-template-columns:repeat(3,1fr)}
.frs-seg-opt{display:block;cursor:pointer}
.frs-seg-opt input{position:absolute;opacity:0;pointer-events:none}
.frs-seg-pill{display:flex;align-items:center;justify-content:center;height:38px;border:1.5px solid #dbe3ed;border-radius:8px;background:#fff;color:#475569;font:700 11.5px Lexend,sans-serif;transition:all .15s ease;text-align:center;padding:0 6px}
.frs-seg-opt input:checked + .frs-seg-pill{border-color:#1d3557;background:#1d3557;color:#fff}

.frs-examples{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin:12px 0 16px}
.frs-examples>span{color:#64748b;font:600 10px Lexend,sans-serif}
.frs-examples button{padding:5px 9px;border:1px solid #cbd5e1;border-radius:99px;background:#fff;color:#1d3557;cursor:pointer;font:600 10px Lexend,sans-serif;transition:all .15s ease}
.frs-examples button:hover{border-color:#1d3557;background:#eff6ff}

.frs-actions{display:grid;grid-template-columns:1fr auto;gap:8px}
.frs-actions>button:first-child{padding:12px 18px;border:0;border-radius:9px;background:#e63946;color:#fff;cursor:pointer;font:700 13px Lexend,sans-serif;transition:background .15s ease}
.frs-actions>button:first-child:hover{background:#c0303c}
.frs-actions>button:last-child,.frs-print{padding:10px 14px;border:1px solid #cbd5e1;border-radius:9px;background:#fff;color:#475569;cursor:pointer;font:600 11px Lexend,sans-serif;transition:all .15s ease}
.frs-actions>button:last-child:hover,.frs-print:hover{border-color:#94a3b8;background:#f8fafc}

.frs-result{margin-top:20px;padding-top:18px;border-top:1px solid #e2e8f0;animation:frs-fadein .3s ease}
@keyframes frs-fadein{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
.frs-result[hidden]{display:none!important}
.frs-result-head{display:flex;justify-content:space-between;align-items:center;gap:12px}
.frs-result-head span{display:block;color:#e63946;font:700 9px Inter,sans-serif;text-transform:uppercase;letter-spacing:.07em}
.frs-result-head h2{margin:3px 0 0;font-size:18px}
.frs-result-head>b{padding:6px 12px;border-radius:99px;font:700 10.5px Lexend,sans-serif}
.frs-result-head>b.is-low{background:#dcfce7;color:#166534}
.frs-result-head>b.is-mod{background:#fef3c7;color:#92400e}
.frs-result-head>b.is-high{background:#fee2e2;color:#991b1b}

.frs-main-value{padding:16px 0 12px;text-align:center}
.frs-main-value strong{color:#1d3557;font:800 50px Lexend,sans-serif;line-height:1}
.frs-main-value>span{margin-left:4px;color:#64748b;font:700 20px Lexend,sans-serif}
.frs-main-value p{margin:6px 0 0;color:#475569;font:600 12.5px Inter,sans-serif}

.frs-result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin:12px 0}
.frs-result-grid>div{padding:11px 8px;border:1px solid #e2e8f0;border-radius:9px;background:#f8fafc;text-align:center}
.frs-result-grid span{display:block;color:#94a3b8;font:8px Inter,sans-serif;text-transform:uppercase}
.frs-result-grid strong{display:block;margin:4px 0 2px;color:#1d3557;font:700 14px Lexend,sans-serif}
.frs-result-grid small{display:block;color:#64748b;font:8.5px/1.3 Inter,sans-serif}

.frs-rec-box{margin-top:12px;padding:14px 16px;border-left:4px solid #1d3557;border-radius:8px;background:#eff6ff;color:#1e3a8a;font:11.5px/1.6 Inter,sans-serif}
.frs-rec-box.is-high{border-left-color:#e63946;background:#fff1f2;color:#881337}
.frs-rec-box.is-mod{border-left-color:#d97706;background:#fffbeb;color:#92400e}
.frs-rec-box strong{display:block;margin-bottom:4px;font:700 12px Lexend,sans-serif}

.frs-mod-card{margin-top:12px;padding:12px 14px;border:1px dashed #cbd5e1;border-radius:8px;background:#f8fafc;font-size:11px;color:#334155}
.frs-mod-card strong{color:#0f172a;display:block;margin-bottom:4px}
.frs-mod-card ul{margin:4px 0 0 18px;padding:0}

.frs-print{display:block;width:100%;margin-top:16px;padding:10px 0;text-align:center}

.frs-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:30px;align-items:start}
.frs-layout .main-article{min-width:0}
.frs-note{margin:18px 0;padding:14px 16px;border:1px solid #bfdbfe;border-radius:10px;background:#eff6ff;color:#1e3a8a;font:12.5px/1.65 Inter,sans-serif}
.frs-formula{margin:18px 0;padding:18px;border-radius:11px;background:#1d3557;color:#fff;text-align:center;font:700 15px/1.5 Lexend,sans-serif}
.frs-formula code{display:block;margin-top:8px;font:400 12.5px/1.6 Consolas,monospace;background:rgba(255,255,255,0.1);padding:8px;border-radius:6px}

.frs-table-wrap{overflow-x:auto;margin:18px 0}
.frs-table{width:100%;border-collapse:collapse;font:12px Inter,sans-serif}
.frs-table th{background:#1d3557;color:#fff;padding:10px 12px;text-align:left;font-family:Lexend,sans-serif}
.frs-table td{padding:9px 12px;border-bottom:1px solid #e2e8f0}
.frs-table tr:nth-child(even) td{background:#f8fafc}
.frs-table tr:hover td{background:#f1f5f9}

.text-link, .frs-content p a, .frs-content li a, .frs-content td a, .main-article p a, .main-article li a {
  color: #e63946 !important;
  text-decoration: underline !important;
  text-decoration-color: rgba(230, 57, 70, 0.45) !important;
  text-underline-offset: 3px !important;
  text-decoration-thickness: 1.5px !important;
  font-weight: 600 !important;
  transition: all 0.2s ease !important;
}
.text-link:hover, .frs-content p a:hover, .frs-content li a:hover, .frs-content td a:hover, .main-article p a:hover, .main-article li a:hover {
  color: #c0303c !important;
  text-decoration-color: #c0303c !important;
}

@media (max-width: 900px){
  .frs-layout{grid-template-columns:1fr}
}
@media (max-width: 600px){
  .frs-field-grid{grid-template-columns:1fr}
  .frs-result-grid{grid-template-columns:1fr}
  .frs-card{padding:16px}
}