#ahi487{--ink:#09094b;--text:#475569;--blue:#1764ed;--paper:#fff;--soft:#f4f7fc;--line:#dce4ef;color:var(--text);font:15px/1.5 Arial,sans-serif}#ahi487 *{box-sizing:border-box}#ahi487 h2,#ahi487 h3,#ahi487 strong,#ahi487 b,#ahi487 label,#ahi487 legend,#ahi487 summary{color:var(--ink)}#ahi487 h2{font-size:22px;line-height:1.25;margin:0 0 12px;font-weight:750;letter-spacing:-.4px}#ahi487 h3{font-size:13px;margin:0 0 4px}#ahi487 p{margin:0 0 8px}#ahi487 button,#ahi487 input,#ahi487 select{font:inherit}#ahi487 button,#ahi487 a{touch-action:manipulation}#ahi487 button{cursor:pointer}#ahi487 button:focus-visible,#ahi487 a:focus-visible,#ahi487 summary:focus-visible{outline:3px solid #739ef6;outline-offset:3px}#ahi487 [hidden]{display:none!important}#ahi487 .ahi-intro{font-size:19px;margin:0 0 20px}#ahi487 .ahi-notice{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:15px 26px;background:linear-gradient(100deg,#edf3fc,#f1f6fd);border-radius:8px;margin:0 0 15px;min-height:98px}#ahi487 .ahi-notice h2{font-size:17px;margin:0 0 5px;letter-spacing:0}#ahi487 .ahi-notice p{font-size:13px;margin:1px 0}#ahi487 .ahi-seal{flex:0 0 110px;text-align:center;line-height:1.1}#ahi487 .ahi-seal svg{width:46px;height:54px;display:block;margin:0 auto 5px}#ahi487 .ahi-seal strong{font-size:9px;letter-spacing:.4px;display:block}#ahi487 .ahi-profiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:16px}#ahi487 .ahi-profile{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:8px 14px 13px;text-align:left;color:var(--text);min-width:0}#ahi487 .ahi-profile[aria-pressed=true]{border-color:var(--blue);box-shadow:inset 0 0 0 1px var(--blue);background:#f8fbff}#ahi487 .ahi-profile img{width:100%;height:145px;object-fit:contain;display:block;background:transparent;border-radius:4px;margin-bottom:7px}#ahi487 .ahi-profile strong{font-size:20px;display:block;line-height:1.3}#ahi487 .ahi-profile>span{font-size:13px;display:block;margin-top:3px}#ahi487 .ahi-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:16px}#ahi487 .ahi-panel{border:1px solid var(--line);border-radius:8px;background:var(--paper);padding:19px;min-width:0}#ahi487 .ahi-hint{font-size:12px;color:var(--text)}#ahi487 .ahi-tabs,#ahi487 .ahi-actions,#ahi487 .ahi-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}#ahi487 .ahi-tabs{gap:0;margin:16px 0;border:1px solid var(--line);border-radius:5px;overflow:hidden;background:var(--soft)}#ahi487 .ahi-tabs button{border:0;background:transparent;padding:10px 8px;color:var(--ink);min-height:42px}#ahi487 .ahi-tabs button[aria-pressed=true]{background:var(--blue);color:white}#ahi487 .ahi-field{margin-bottom:20px}#ahi487 label,#ahi487 legend{font-size:13px;font-weight:700;display:block;margin-bottom:6px}#ahi487 .ahi-unit{display:flex;border:1px solid var(--line);border-radius:5px;background:var(--paper);overflow:hidden;min-width:0}#ahi487 .ahi-unit input{background:transparent;border:0;min-width:0;width:100%;height:46px;padding:9px 12px;color:var(--ink);font-size:18px}#ahi487 .ahi-unit>span{display:flex;align-items:center;padding:0 11px;border-left:1px solid var(--line);background:var(--soft);font-size:13px}#ahi487 .ahi-time{border:0;padding:0;margin:0 0 20px;min-width:0}#ahi487 .ahi-advanced{border:1px solid var(--line);border-radius:5px;padding:10px 12px;margin-bottom:24px;font-size:12px}#ahi487 summary{cursor:pointer;font-size:13px;font-weight:600}#ahi487 .ahi-advanced p{margin-top:10px}#ahi487 .ahi-advanced select{width:100%;background:var(--paper);color:var(--ink);border:1px solid var(--line);padding:9px;border-radius:4px}#ahi487 .ahi-actions button{border:1px solid var(--line);border-radius:5px;padding:11px 7px;min-height:44px;color:var(--ink);background:var(--paper);font-size:14px;font-weight:600;width:100%}#ahi487 .ahi-actions .ahi-primary{background:var(--blue);color:white;border-color:var(--blue)}#ahi487 .ahi-formula{margin-top:24px;padding:13px;text-align:center;font-size:13px;border-radius:5px;background:var(--soft);color:var(--ink)}#ahi487 .ahi-error{color:#ad2727;background:#fff1f0;border:1px solid #f0b1ab;padding:10px;border-radius:4px}#ahi487 [aria-invalid=true]{outline:2px solid #c13636;outline-offset:-2px}#ahi487 .ahi-hero{background:linear-gradient(110deg,#ffb93c,#ffa624);padding:19px;border-radius:6px;color:#191b35}#ahi487 .ahi-hero>span{font-size:12px;font-weight:600;display:block;margin-bottom:7px}#ahi487 .ahi-value-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}#ahi487 .ahi-value-row>strong{font-size:65px;line-height:1;letter-spacing:-2px;font-variant-numeric:tabular-nums}#ahi487 .ahi-value-row>span{font-size:20px;color:#09094b}#ahi487 .ahi-tier{margin-left:auto;text-align:center;flex-shrink:0}#ahi487 .ahi-tier b{display:block;border-radius:20px;background:#fff2ce;padding:7px 12px;font-size:13px}#ahi487 .ahi-tier small{display:block;font-size:10px;margin-top:4px}#ahi487 .ahi-hero[data-tier=normal]{background:linear-gradient(110deg,#b6efd7,#84dcba)}#ahi487 .ahi-hero[data-tier=mild]{background:linear-gradient(110deg,#ffe99a,#ffda69)}#ahi487 .ahi-hero[data-tier=severe]{background:linear-gradient(110deg,#ffc1bb,#f49c99)}#ahi487 .ahi-hero[data-tier=invalid]{background:var(--soft)}#ahi487 .ahi-metrics{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-top:0;border-radius:0 0 6px 6px;padding:12px 0}#ahi487 .ahi-metrics>div{text-align:center;min-width:0}#ahi487 .ahi-metrics>div+div{border-left:1px solid var(--line)}#ahi487 .ahi-metrics strong{display:block;font-size:25px;line-height:1.2;overflow-wrap:anywhere}#ahi487 .ahi-metrics span{display:block;font-size:12px}#ahi487 .ahi-gauge{margin:14px 0 17px}#ahi487 .ahi-marker-line{text-align:center;font-size:12px;color:var(--ink);font-weight:600;margin-bottom:9px}#ahi487 .ahi-track{height:18px;position:relative;border-radius:20px;background:linear-gradient(to right,#80bd7a 0%,#80bd7a 11.111%,#f7d54e 11.111%,#f7d54e 33.333%,#ffaf3b 33.333%,#ffaf3b 66.667%,#ef4c51 66.667%,#ef4c51 100%)}#ahi487 .ahi-marker{position:absolute;left:33.333%;top:-4px;width:3px;height:26px;transform:translateX(-50%);background:#101342;border:1px solid white;border-radius:2px}#ahi487 .ahi-marker:before{content:'';position:absolute;width:7px;height:7px;border-radius:50%;background:#101342;left:-3px;top:-4px}#ahi487 .ahi-scale{display:grid;grid-template-columns:1fr 2fr 3fr 3fr;text-align:center;margin-top:8px;font-size:11px;gap:2px}#ahi487 .ahi-scale b,#ahi487 .ahi-scale small{display:block}#ahi487 .ahi-scale small{margin-top:2px;color:var(--text)}#ahi487 #ahiGaugeHint{font-size:10px;margin-top:7px}#ahi487 .ahi-advice{border:1px solid #f4dbad;background:#fff4e2;color:#4e3921;border-radius:5px;padding:12px;font-size:13px}#ahi487 .ahi-advice strong{color:#8f380c;display:block;font-size:13px}#ahi487 .ahi-advice p{margin:4px 0 0}#ahi487 .ahi-export{margin-top:13px}#ahi487 #ahiExportStatus{min-height:16px;margin:4px 0 -6px}#ahi487 button:disabled{opacity:.5;cursor:not-allowed}#ahi487 .ahi-split-results{display:flex;justify-content:space-around;gap:10px;padding:8px 0;font-size:12px}#ahi487 .ahi-lower{grid-template-columns:1.05fr 1fr}#ahi487 .ahi-explain-image{position:relative;min-height:235px;display:flex;align-items:center;margin-bottom:10px;background:#fff;border-radius:5px;overflow:hidden}#ahi487 .ahi-explain-image>img:first-child{width:100%;height:235px;object-fit:contain;display:block}#ahi487 .ahi-anatomy-copy{position:absolute;width:33%;right:0;top:14%;padding:5px;font-size:11px;line-height:1.4;color:#475569}#ahi487 .ahi-anatomy-copy h3{color:#09094b;font-size:12px;margin-bottom:5px}#ahi487 .ahi-anatomy-copy p{margin-bottom:17px}#ahi487 .ahi-watermark{position:absolute;right:8px;bottom:5px;width:92px;height:13px;opacity:.5}#ahi487 .ahi-understanding>p{font-size:13px;margin-bottom:0}#ahi487 .ahi-faq details{border:1px solid var(--line);border-radius:5px;margin-bottom:8px;padding:11px 12px}#ahi487 .ahi-faq details:last-child{margin-bottom:0}#ahi487 .ahi-faq summary{font-size:13px}#ahi487 .ahi-faq p{font-size:12px;line-height:1.55;margin:10px 0 0}#ahi487 .ahi-section-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:20px 0 10px}#ahi487 .ahi-section-heading h2{margin:0}#ahi487 .ahi-section-heading small{font-size:10px;text-align:right}#ahi487 .ahi-source-grid,#ahi487 .ahi-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}#ahi487 .ahi-source-grid>a,#ahi487 .ahi-related-grid>a{display:block;border:1px solid var(--line);border-radius:6px;background:var(--paper);padding:15px;text-decoration:none;color:var(--text);min-width:0}#ahi487 .ahi-source-grid>a:hover,#ahi487 .ahi-related-grid>a:hover{border-color:#94b5f5}#ahi487 .ahi-source-logo{height:51px;display:flex;align-items:center;margin:0 0 12px}#ahi487 .ahi-source-logo img{width:100%;height:46px;object-fit:contain;object-position:left center;background:white;border-radius:3px;padding:3px}#ahi487 .ahi-source-grid strong{display:block;font-size:14px}#ahi487 .ahi-source-grid p{font-size:12px;margin:6px 0 10px}#ahi487 .ahi-source-grid a>span{font-size:12px;color:var(--blue)}#ahi487 .ahi-related{margin-top:20px}#ahi487 .ahi-related-grid>a{padding:12px 16px 16px}#ahi487 .ahi-related-grid img{display:block;object-fit:contain;background:transparent;border-radius:4px;width:100%;height:125px;margin-bottom:10px}#ahi487 .ahi-related-grid strong{display:block;font-size:14px}#ahi487 .ahi-related-grid span{display:block;margin-top:4px;font-size:12px}
:is(html.st-master-dark,html.st-home-dark,html.dark,html[data-theme=dark],body.dark) #ahi487{--ink:#e3eaff;--text:#c1ccdc;--blue:#4085f9;--paper:#142033;--soft:#1d2b42;--line:#33445d}:is(html.st-master-dark,html.st-home-dark,html.dark,html[data-theme=dark],body.dark) #ahi487 .ahi-notice{background:linear-gradient(110deg,#1a2b45,#21344f)}:is(html.st-master-dark,html.st-home-dark,html.dark,html[data-theme=dark],body.dark) #ahi487 .ahi-profile[aria-pressed=true]{background:#1d3151}:is(html.st-master-dark,html.st-home-dark,html.dark,html[data-theme=dark],body.dark) #ahi487 .ahi-advice{background:#3b2c1c;border-color:#6b4b26;color:#eddbc3}:is(html.st-master-dark,html.st-home-dark,html.dark,html[data-theme=dark],body.dark) #ahi487 .ahi-advice strong{color:#ffcf96}:is(html.st-master-dark,html.st-home-dark,html.dark,html[data-theme=dark],body.dark) #ahi487 .ahi-hero strong,:is(html.st-master-dark,html.st-home-dark,html.dark,html[data-theme=dark],body.dark) #ahi487 .ahi-tier b{color:#09094b}:is(html.st-master-dark,html.st-home-dark,html.dark,html[data-theme=dark],body.dark) #ahi487 .ahi-error{background:#47232a;color:#ffd1d1;border-color:#7e3f4d}
@media(max-width:900px){#ahi487 .ahi-value-row>strong{font-size:53px}#ahi487 .ahi-tier{margin-left:0}#ahi487 .ahi-value-row{gap:7px}#ahi487 .ahi-profile img{height:120px}#ahi487 .ahi-profile strong{font-size:18px}#ahi487 .ahi-anatomy-copy{font-size:10px}#ahi487 .ahi-anatomy-copy h3{font-size:11px}}@media(max-width:720px){#ahi487 .ahi-grid,#ahi487 .ahi-lower{grid-template-columns:1fr}#ahi487 .ahi-notice{padding:13px 15px;gap:10px}#ahi487 .ahi-notice h2{font-size:15px}#ahi487 .ahi-notice p{font-size:12px}#ahi487 .ahi-seal{flex-basis:80px}#ahi487 .ahi-profiles{gap:8px}#ahi487 .ahi-profile{padding:6px 8px 10px}#ahi487 .ahi-profile strong{font-size:14px}#ahi487 .ahi-profile>span{font-size:11px}#ahi487 .ahi-profile img{height:90px}#ahi487 .ahi-source-grid{grid-template-columns:1fr}#ahi487 .ahi-source-grid>a{display:grid;grid-template-columns:140px 1fr;gap:3px 15px}#ahi487 .ahi-source-logo{grid-row:span 3;height:auto;margin:0}#ahi487 .ahi-source-grid p{margin:0}#ahi487 .ahi-source-grid strong{font-size:13px}#ahi487 .ahi-related-grid{gap:9px}#ahi487 .ahi-related-grid>a{padding:8px}#ahi487 .ahi-related-grid img{height:90px}#ahi487 .ahi-related-grid strong{font-size:12px}#ahi487 .ahi-related-grid span{font-size:11px}#ahi487 .ahi-section-heading{display:block}#ahi487 .ahi-section-heading small{display:block;text-align:left;margin-top:4px}}@media(max-width:400px){#ahi487 .ahi-panel{padding:14px}#ahi487 h2{font-size:20px}#ahi487 .ahi-profile img{height:72px}#ahi487 .ahi-profile strong{font-size:12px}#ahi487 .ahi-profile>span{font-size:10px}#ahi487 .ahi-unit>span{padding:0 7px;font-size:12px}#ahi487 .ahi-value-row>strong{font-size:55px}#ahi487 .ahi-tier{margin-left:auto}#ahi487 .ahi-tier b{font-size:11px;padding:6px 8px}#ahi487 .ahi-value-row>span{font-size:15px}#ahi487 .ahi-anatomy-copy{font-size:9px}#ahi487 .ahi-anatomy-copy h3{font-size:10px}#ahi487 .ahi-explain-image,#ahi487 .ahi-explain-image>img:first-child{height:215px;min-height:215px}}
@media(prefers-reduced-motion:reduce){#ahi487 *{scroll-behavior:auto!important}}

/* W488: same clinical notice geometry and seal as the established pulmonary pages. */
#ahi487 .st-reference-notice{--ref-shield-paper:#eff6ff;--ref-shield-inner:#fff;--ref-shield-layer:#dcecff;display:flex;gap:18px;justify-content:space-between;align-items:center;background:linear-gradient(110deg,#f8fafc,#eff6ff);border:1px solid var(--line);border-radius:6px;padding:12px 15px;margin-bottom:8px}
#ahi487 .st-reference-copy{flex:1;min-width:0}
#ahi487 .st-reference-copy h2{font-size:17px;letter-spacing:0;margin:0 0 4px}
#ahi487 .st-reference-copy p{color:var(--text);font-size:12px;line-height:1.45;margin:0}
#ahi487 .st-reference-copy a{color:var(--blue);text-decoration:underline}
#ahi487 .st-reference-seal{display:grid;grid-template-columns:38px 1fr;gap:2px 10px;align-items:center;max-width:225px;flex-shrink:0;font-size:10px;color:#234ca3}
#ahi487 .st-reference-shield{grid-row:1/3;width:36px;height:44px;color:var(--blue)}
#ahi487 .st-reference-seal b{font-size:10px;line-height:1.3;color:inherit}
#ahi487 .st-reference-seal small{font-size:10px;color:var(--text)}
/* Logo first, then reference title and explanation, at every viewport size. */
#ahi487 .ahi-source-grid>a{display:flex;flex-direction:column;align-items:stretch;gap:0}
#ahi487 .ahi-source-logo{flex:0 0 51px;height:51px;margin:0 0 12px;grid-row:auto}
#ahi487 .ahi-source-grid p{margin:6px 0 10px}
#ahi487 .ahi-source-grid a>span{margin-top:auto}
:is(html.st-master-dark,html.st-home-dark,html.dark,html[data-theme=dark],body.dark) #ahi487 .st-reference-notice{--ref-shield-paper:#1b314e;--ref-shield-inner:#243f60;--ref-shield-layer:#345a7e;background:linear-gradient(110deg,#1a2637,#1a3045)}
:is(html.st-master-dark,html.st-home-dark,html.dark,html[data-theme=dark],body.dark) #ahi487 .st-reference-seal{color:#aecbfa}
@media(max-width:900px){#ahi487 .st-reference-seal{max-width:175px}}
@media(max-width:520px){#ahi487 .st-reference-notice{align-items:flex-start;gap:9px;padding:10px}#ahi487 .st-reference-seal{display:block;width:42px;min-width:42px}#ahi487 .st-reference-seal b,#ahi487 .st-reference-seal small{display:none}}

/* W491: compact horizontal source and related cards, matching the established site layout. */
#ahi487 .ahi-sources{margin-top:18px}
#ahi487 .ahi-section-heading{display:block;margin:0 0 9px}
#ahi487 .ahi-section-heading h2{font-size:18px;letter-spacing:-.3px;margin:0}
#ahi487 .ahi-source-grid{gap:10px}
#ahi487 .ahi-source-grid>a{display:flex;flex-direction:row;align-items:center;gap:10px;padding:10px 12px;min-height:68px}
#ahi487 .ahi-source-logo{display:flex;align-items:center;flex:0 0 108px;width:108px;height:44px;margin:0;min-width:0}
#ahi487 .ahi-source-logo img{width:100%;height:44px;object-fit:contain;object-position:center;padding:1px}
#ahi487 .ahi-reference-copy{border-left:1px solid var(--line);padding-left:10px;min-width:0;flex:1}
#ahi487 .ahi-reference-copy strong{font-size:12px;line-height:1.3}
#ahi487 .ahi-reference-copy p{font-size:11px;line-height:1.4;margin:4px 0 0}
#ahi487 .ahi-reference-note{font-size:11.5px;color:var(--text);margin:7px 0 0;line-height:1.45}
#ahi487 .ahi-related{margin-top:48px}
#ahi487 .ahi-related-heading{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:16px}
#ahi487 .ahi-related-heading h2{font-size:26px;margin:0;letter-spacing:-.5px}
#ahi487 .ahi-related-heading>a{color:var(--blue);font-size:12px;text-decoration:none;white-space:nowrap}
#ahi487 .ahi-related-grid{gap:10px}
#ahi487 .ahi-related-grid>a{display:flex;align-items:center;gap:14px;padding:14px 16px;min-height:144px}
#ahi487 .ahi-related-grid img{flex:0 0 90px;width:90px;height:110px;object-fit:contain;margin:0;background:transparent}
#ahi487 .ahi-related-copy{flex:1;min-width:0}
#ahi487 .ahi-related-copy strong{font-size:16px;line-height:1.3}
#ahi487 .ahi-related-copy span{font-size:12px;line-height:1.45;margin-top:8px}
@media(max-width:1000px) and (min-width:721px){#ahi487 .ahi-source-logo{flex-basis:82px;width:82px}#ahi487 .ahi-source-grid>a{padding:10px;gap:8px}#ahi487 .ahi-reference-copy{padding-left:8px}#ahi487 .ahi-related-grid>a{padding:12px;gap:10px}#ahi487 .ahi-related-grid img{width:70px;flex-basis:70px}#ahi487 .ahi-related-copy strong{font-size:14px}}
@media(max-width:720px){#ahi487 .ahi-source-grid,#ahi487 .ahi-related-grid{grid-template-columns:1fr;gap:10px}#ahi487 .ahi-source-logo{width:110px;flex-basis:110px}#ahi487 .ahi-source-grid>a{min-height:68px}#ahi487 .ahi-related{margin-top:32px}#ahi487 .ahi-related-heading{flex-wrap:wrap;gap:8px;margin-bottom:12px}#ahi487 .ahi-related-heading h2{font-size:24px}#ahi487 .ahi-related-grid>a{min-height:126px;padding:12px 15px;gap:16px}#ahi487 .ahi-related-grid img{width:88px;flex-basis:88px;height:100px}#ahi487 .ahi-related-copy strong{font-size:16px}#ahi487 .ahi-related-copy span{font-size:12px}}
@media(max-width:359px){#ahi487 .ahi-source-logo{flex-basis:86px;width:86px}#ahi487 .ahi-source-grid>a{padding:9px;gap:8px}#ahi487 .ahi-reference-copy{padding-left:8px}}