:root{--ink:#0f1115;--text:#303932;--green:#56b339;--link:#28671b;--hover:#205516;--paper:#fff;--panel:#f4f6f5;--line:#dce2dd;--muted:#5b655f;--error:#a32620;--dark-muted:#b7c1ba;--radius:5px;--s1:4px;--s2:8px;--s3:16px;--s4:24px;--s5:32px;--s6:48px}*{box-sizing:border-box}body{margin:0;color:var(--text);background:var(--paper);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--link);text-underline-offset:4px}a:hover{color:var(--hover)}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}:focus-visible{outline:3px solid var(--link);outline-offset:4px}button{cursor:pointer;min-height:46px;border:1px solid transparent;border-radius:var(--radius);background:var(--green);color:var(--ink);padding:10px 22px;font-weight:750}button:hover{background:var(--hover);color:var(--paper)}button:disabled{opacity:.65;cursor:default}.secondary{border-color:var(--line);background:var(--paper);color:var(--ink)}[hidden]{display:none!important}.wrap{width:min(1120px,calc(100% - 48px));margin:auto}.site-header{background:var(--ink);color:var(--paper)}.header-inner{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-size:30px;font-weight:850;letter-spacing:-1.2px;text-decoration:none;color:var(--paper);display:inline-flex;align-items:center;gap:10px}.brand:hover{color:var(--paper)}.brand-mark{width:15px;height:22px;border-left:5px solid var(--green);border-top:5px solid var(--green);transform:skew(-16deg)}.brand-dot{color:var(--green);margin-left:-8px}nav{display:flex;gap:32px}nav a{color:var(--paper);font-size:14px;text-decoration:none;padding:12px 0}nav a:hover,nav 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a{font-size:14px}.breadcrumbs{padding-top:24px;font-size:12px;color:var(--muted);display:flex;gap:12px;flex-wrap:wrap}.page-head{padding:24px 0}.page-head h1{font-size:36px}.calc-layout{display:grid;grid-template-columns:minmax(0,760px) 1fr;gap:40px;align-items:start}.calc-card{background:var(--paper);border:1px solid var(--line);border-top:4px solid var(--green);border-radius:var(--radius);box-shadow:0 4px 18px #0f111508;padding:24px}.card-top{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);margin-bottom:24px;padding-bottom:16px}.card-top h2{font-size:18px;margin:0}.local-tag{font-size:11px;color:var(--muted)}.fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field label,.field-label{display:block;color:var(--ink);font-weight:650;font-size:14px;margin-bottom:8px}input:not([type=checkbox]),select,textarea{width:100%;min-height:48px;border:1px solid #a6b2a9;border-radius:4px;padding:10px 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0}.article{max-width:760px;padding:40px 0 64px}.article section{margin-bottom:32px}.article h2{font-size:25px;border-bottom:1px solid var(--line);padding-bottom:12px}.formula{background:var(--panel);padding:20px;font-family:ui-monospace,monospace;font-size:14px;overflow-wrap:anywhere}.article li{margin-bottom:8px}.table-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;border-bottom:1px solid var(--line);padding:12px}th{background:var(--panel)}details{border-bottom:1px solid var(--line);padding:16px 0}summary{cursor:pointer;font-weight:650;color:var(--ink)}details p{margin:12px 0 0}.related{display:flex;flex-wrap:wrap;gap:12px 24px}.review{font-size:12px;background:var(--panel);padding:16px;color:var(--muted)}.ad-slot{visibility:hidden;height:120px;margin-top:24px;border:1px dashed var(--line)}.ad-sidebar{height:250px}.ad-slot.enabled{visibility:visible}.site-footer{background:var(--ink);color:var(--dark-muted);padding:48px 0 24px;font-size:13px}.footer-grid{display:grid;grid-template-columns:2fr 1.4fr 1fr;gap:48px}.site-footer h2{color:var(--paper);font-size:13px;letter-spacing:.5px;margin-bottom:20px}.site-footer a:not(.brand){display:block;color:var(--dark-muted);text-decoration:none;margin-bottom:8px}.site-footer a:hover{color:var(--green)}.site-footer p{margin-top:16px}.footer-bottom{border-top:1px solid #343b36;padding-top:24px;margin-top:32px;display:flex;justify-content:space-between;gap:16px;font-size:11px}.consent{position:fixed;bottom:16px;left:16px;right:16px;background:var(--paper);border:2px solid var(--link);padding:24px;z-index:50;box-shadow:0 4px 30px #0002}.consent h2{font-size:20px}.consent button{margin:4px}.consent a{margin-left:12px}.simple{max-width:760px;padding-bottom:64px}.simple h2{margin-top:32px}.status-strip{border-bottom:1px solid var(--line);padding:12px 0;color:var(--muted);font-size:12px}.status-strip .wrap{display:flex;gap:24px}.test-pass{color:var(--link)}.test-fail{color:var(--error)}
@media(max-width:900px){.home-layout{gap:32px;grid-template-columns:2fr 1fr}.calc-layout{grid-template-columns:1fr}.calc-aside{display:none}.footer-grid{gap:24px}.page-head h1{font-size:32px}}
@media(max-width:600px){.wrap{width:calc(100% - 32px)}.header-inner{min-height:72px;flex-wrap:wrap;padding:14px 0}.brand{font-size:27px}nav{gap:24px;width:100%;padding:4px 0}.js-menu nav:not(.open){display:none}.intro{padding:32px 0 24px}.intro p{font-size:16px}.home-layout{grid-template-columns:1fr;gap:32px;padding-top:24px}.tool-row{grid-template-columns:24px 1fr 20px;gap:8px}.tool-row h2{font-size:21px}.tool-row code{font-size:11px}.home-aside{display:grid;gap:24px}.note-card{margin:0}.status-strip .wrap{gap:16px;font-size:11px;flex-wrap:wrap}.fields{gap:12px}.calc-card{padding:16px}.page-head{padding:16px 0}.page-head h1{font-size:28px}.page-lead{font-size:16px}.card-top{margin-bottom:16px}.local-tag{max-width:100px;text-align:right}.field label{font-size:12px}.result{padding:16px}.result-value{font-size:24px}.result-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{flex-direction:column}.article{padding-top:32px}.article h2{font-size:23px}h1{font-size:32px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

.menu-button{display:none}.result-warning{color:var(--error)}.result-grid strong{font-size:23px}.result-grid>div{min-width:0}@media(max-width:600px){.menu-button{display:block}}