:root{--b:#1269ad;--ink:#18323a;--muted:#65777e;--line:#dfe8ec;--soft:#eef6fb;--g:#18794e;--gs:#edf8f3;--a:#9a6700;--as:#fff8e8;--r:#b42318;--rs:#fff1f0}
.stb-hero{padding:54px 0 34px;background:linear-gradient(180deg,#fff,#f9fcfe);border-bottom:1px solid #edf2f4}.stb-breadcrumb{display:flex;gap:9px;margin-bottom:20px;font-size:13px;font-weight:750;color:#718188}.stb-breadcrumb a{color:var(--b)}
.stb-hero-row{display:grid;grid-template-columns:1fr auto;gap:48px;align-items:end}.stb-kicker,.stb-step{display:block;color:var(--b);font-size:12px;font-weight:850;letter-spacing:.07em;text-transform:uppercase}.stb-hero h1{margin:6px 0 14px;font-size:clamp(38px,5vw,60px);line-height:1.03;letter-spacing:-.045em;color:var(--ink)}.stb-hero p{max-width:820px;margin:0;color:var(--muted);font-size:18px}
.stb-mode-switch{display:grid;grid-template-columns:1fr 1fr;width:455px;padding:5px;border:1px solid #d8e3e8;border-radius:16px;background:#f5f8f9}.stb-mode-btn{border:0;border-radius:11px;padding:13px 16px;background:transparent;color:#52686f;text-align:left;cursor:pointer}.stb-mode-btn strong{display:block;font-size:15px}.stb-mode-btn span{display:block;margin-top:2px;font-size:12px;color:#7b8b91}.stb-mode-btn.is-active{background:#fff;color:var(--b);box-shadow:0 4px 14px rgba(21,49,59,.09)}
.stb-tool-section{padding:38px 0 76px;background:#f8fbfc}.stb-mode-panel[hidden]{display:none!important}.stb-tool-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);gap:22px;align-items:start}.stb-panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:0 10px 30px rgba(21,49,59,.045)}.stb-wide-panel{margin-top:22px}.stb-panel-head{display:flex;justify-content:space-between;gap:20px;margin-bottom:22px}.stb-panel-head h2{margin:4px 0 0;font-size:23px}.stb-live-badge,.stb-table-note{padding:6px 9px;border-radius:999px;background:var(--soft);color:var(--b);font-size:11px;font-weight:800;white-space:nowrap}
.stb-section-label{margin:25px 0 12px;padding-bottom:7px;border-bottom:1px solid #edf2f4;color:#4c646d;font-size:12px;font-weight:850;text-transform:uppercase}.stb-field-row{display:grid;gap:14px}.stb-field-row-2{grid-template-columns:1fr 1fr}.stb-field-row-3{grid-template-columns:repeat(3,1fr)}.stb-field-row-4{grid-template-columns:repeat(4,1fr)}.stb-field>span{display:block;margin-bottom:7px;color:#344e57;font-size:12px;font-weight:800}.stb-field small{display:block;margin-top:5px;color:#71848b;font-size:11px;line-height:1.4}
.stb-money-input,.stb-percent-input,.stb-plain-input,.stb-select{display:flex;align-items:center;min-height:46px;border:1px solid #cbd9df;border-radius:10px;background:#fff;overflow:hidden}.stb-select{width:100%;padding:0 11px;color:var(--ink);font-size:14px;font-weight:750}.stb-money-input>span,.stb-percent-input>span,.stb-plain-input>span{padding:0 11px;color:#65787f;font-size:12px;font-weight:750;background:#f7fafb;align-self:stretch;display:flex;align-items:center}.stb-money-input>span:first-child{border-right:1px solid #e2e9ec}.stb-percent-input>span:last-child,.stb-plain-input>span:last-child{border-left:1px solid #e2e9ec}.stb-money-input input,.stb-percent-input input,.stb-plain-input input{width:100%;min-width:0;border:0;outline:0;padding:11px 12px;background:transparent;color:var(--ink);font-size:14px;font-weight:750}
.stb-formula-note{display:grid;grid-template-columns:auto 1fr;gap:11px;margin-top:20px;padding:14px 16px;border-radius:12px;background:var(--soft);color:#4f6f7e;font-size:13px}.stb-formula-note strong{color:var(--b)}.stb-action-row{display:flex;gap:10px;margin-top:20px}.stb-btn{min-height:46px;border-radius:11px;padding:0 16px;font-weight:850;cursor:pointer}.stb-btn-primary{border:1px solid var(--b);background:var(--b);color:#fff}.stb-btn-secondary,.stb-btn-advanced{border:1px solid var(--line);background:#fff;color:#435b63}.stb-btn-advanced{width:100%;margin-top:16px;color:var(--b)}.stb-print-btn{border:1px solid var(--line);border-radius:9px;background:#fff;padding:7px 11px;color:#536970;font-size:12px;font-weight:800}
.stb-results-panel{position:sticky;top:106px}.stb-primary-result{padding:23px;border:1px solid #d6eaf7;border-radius:16px;background:var(--soft)}.stb-primary-result>span{display:block;color:#5c7885;font-size:13px;font-weight:750}.stb-primary-result>strong{display:block;margin:5px 0 2px;color:var(--b);font-size:36px}.stb-primary-result>small{color:#68808a}.stb-primary-result.is-good{background:var(--gs);border-color:#cfe9dc}.stb-primary-result.is-good>strong{color:var(--g)}.stb-primary-result.is-warn{background:var(--as)}.stb-primary-result.is-bad{background:var(--rs)}.stb-primary-result.is-bad>strong{color:var(--r)}
.stb-status-card{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-top:14px;padding:15px 17px;border:1px solid var(--line);border-radius:13px}.stb-status-card>div span,.stb-status-card-split>div span{display:block;color:#6b7e85;font-size:12px;font-weight:750}.stb-status-card>div strong,.stb-status-card-split>div strong{display:block;margin-top:2px;font-size:22px;color:var(--ink)}.stb-status-card-split{display:grid;grid-template-columns:1fr 1fr}.stb-status-card-split>div+div{padding-left:18px;border-left:1px solid var(--line)}.stb-status-card-split small{display:block;color:#71848b;font-size:11px}.stb-status-chip{padding:6px 9px;border-radius:999px;background:var(--gs);color:var(--g);font-size:11px;font-weight:850}
.stb-metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}.stb-metric{padding:14px;border:1px solid var(--line);border-radius:12px}.stb-metric span{display:block;color:#6c7e85;font-size:11px;font-weight:750}.stb-metric strong{display:block;margin-top:4px;font-size:17px;color:#213b43}
.stb-check-box,.stb-strategy-box{margin-top:14px;padding:16px;border:1px solid var(--line);border-radius:13px;background:#fbfdfe}.stb-check-box div,.stb-strategy-head{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:#61757c}.stb-check-box strong,.stb-strategy-head strong{color:#344e57}.stb-check-box small{display:block;margin-top:6px;color:#7a8c93;font-size:11px}.stb-strategy-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}.stb-strategy-grid div{padding:10px;border:1px solid #e5edef;border-radius:10px;background:#fff}.stb-strategy-grid span{display:block;color:#778a91;font-size:11px}.stb-strategy-grid strong{display:block;margin-top:3px;color:#314b54;font-size:15px}
.stb-takeaway{margin-top:14px;padding:15px 16px;border-left:4px solid var(--b);background:#f6fafc}.stb-takeaway span{display:block;color:var(--b);font-size:11px;font-weight:850;text-transform:uppercase}.stb-takeaway p{margin:5px 0 0;color:#4e666f;font-size:13px;line-height:1.5}
.stb-table-wrap{overflow-x:auto;border:1px solid #e4ebee;border-radius:12px}.stb-table{width:100%;border-collapse:collapse;min-width:900px}.stb-table th,.stb-table td{padding:12px 13px;border-bottom:1px solid #e8eef0;text-align:right;font-size:12px}.stb-table th{background:#f6f9fa;color:#60747c;font-weight:850}.stb-table th:first-child,.stb-table td:first-child{text-align:left}.stb-table td strong{color:#29434c}.stb-disclaimer p{margin:0;color:#5f737b;font-size:13px;line-height:1.65}
@media(max-width:1080px){.stb-field-row-4{grid-template-columns:1fr 1fr}}@media(max-width:980px){.stb-hero-row{grid-template-columns:1fr}.stb-mode-switch{width:min(100%,570px)}.stb-tool-grid{grid-template-columns:1fr}.stb-results-panel{position:static}}@media(max-width:760px){.stb-field-row-2,.stb-field-row-3,.stb-field-row-4,.stb-metric-grid,.stb-status-card-split,.stb-strategy-grid{grid-template-columns:1fr}.stb-mode-switch{width:100%}.stb-panel{padding:20px}.stb-action-row{flex-direction:column}.stb-btn{width:100%}}@media(max-width:430px){.stb-mode-switch{grid-template-columns:1fr}}@media print{.site-header,.footer,.stb-mode-switch,.stb-input-panel,.stb-print-btn,.stb-btn-advanced{display:none!important}.stb-tool-section{background:#fff}}