:root{--paper:#faf8f4;--ink:#1e2b3a;--teal:#1d6b72;--sand:#efe6d8;--coral:#b9553f;--line:#c8d4d1;--muted:#465564;--serif:"Baskerville","Baskerville Old Face","Libre Baskerville","Hoefler Text",Garamond,serif;--sans:"Seravek","Gill Sans Nova","Segoe UI","Noto Sans",Ubuntu,Calibri,sans-serif}
*{box-sizing:border-box}
html{color:var(--ink);background:var(--paper);font-family:var(--sans);font-size:19px;line-height:1.7;text-size-adjust:100%}
body{margin:0}
a{color:var(--teal);text-decoration-thickness:1px;text-underline-offset:.2em;overflow-wrap:anywhere}
a:hover{text-decoration-thickness:2px}
a:focus-visible,summary:focus-visible{outline:3px solid var(--teal);outline-offset:4px}
p{margin:0 0 1.2rem}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.16;letter-spacing:-.015em;overflow-wrap:break-word}
h1{font-size:clamp(2.15rem,5vw,3.65rem);margin:.45rem 0 1.2rem;max-width:24ch}
h2{font-size:1.8rem;margin:2.5rem 0 1rem;scroll-margin-top:1.2rem}
h3{font-size:1.35rem;margin:1.7rem 0 .7rem}
ul,ol{padding-left:1.35rem;margin:.6rem 0 1.4rem}
li{padding-left:.2rem;margin:.4rem 0}
img{display:block;max-width:100%;height:auto}
svg{display:block;max-width:100%;height:auto}
.wrap{width:min(100% - 3rem,1280px);margin-inline:auto}
.skip-link{position:absolute;top:-6rem;left:1rem;z-index:10;padding:.55rem 1rem;background:var(--paper)}
.skip-link:focus{top:.7rem}
.site-header{border-bottom:1px solid var(--line);padding-top:1.3rem;background:var(--paper)}
.brand-row{display:flex;gap:1rem;align-items:center;flex-wrap:wrap;margin-bottom:1rem}
.wordmark{display:inline-flex;align-items:center;gap:.65rem;color:var(--ink);font-family:var(--serif);font-size:1.55rem;line-height:1.2;text-decoration:none;max-width:100%}
.wordmark svg{width:40px;height:40px}
.tagline{font-size:.82rem;line-height:1.45;color:var(--muted);margin:0}
.section-menu{display:flex;flex-wrap:wrap;gap:0 1rem;padding-bottom:.5rem;align-items:flex-start}
.section-menu details{min-width:0;flex:1 1 9rem;font-size:.83rem;line-height:1.45}
.section-menu summary{cursor:pointer;min-height:44px;padding:.65rem .15rem;color:var(--teal);font-weight:600;overflow-wrap:anywhere}
.section-menu ul{list-style:none;padding:0;margin:.2rem 0 1rem;border-left:1px solid var(--line)}
.section-menu li{padding:0;margin:0}
.section-menu a{display:block;padding:.45rem .7rem;min-height:44px;text-decoration:none}
.section-menu a:hover{background:var(--sand)}
.page-head{padding-top:3.2rem;padding-bottom:.4rem}
.section-label{color:var(--teal);font-size:.78rem;font-weight:650;letter-spacing:.12em;text-transform:uppercase;margin-bottom:.5rem}
.reading-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:1.7rem;padding-bottom:4.5rem}
.reading-content{min-width:0;max-width:76ch}
.reading-content>p{max-width:72ch}
.contents{border-top:2px solid var(--teal);font-size:.88rem;line-height:1.5;padding-top:.75rem;align-self:start}
.contents h2{font-family:var(--sans);font-size:.9rem;font-weight:650;letter-spacing:0;margin:0 0 .5rem}
.contents ul{margin:0;padding-left:1.2rem}
.contents li{margin:.45rem 0}
.key-points,.questions{background:var(--sand);padding:1.3rem 1.5rem;margin:0 0 1.6rem;border-left:3px solid var(--teal)}
.key-points h2,.questions h2{font-size:1.45rem;margin:0 0 .75rem}
.key-points ul,.questions ul{margin:.5rem 0 0}
.questions{margin-top:2.6rem}
.medical-note{font-size:.84rem;line-height:1.6;border-left:3px solid var(--coral);padding-left:1rem;margin:1.3rem 0 1.8rem;color:var(--muted)}
.photograph{margin:1.8rem 0 2rem}
.photograph img{width:100%;border-radius:2px}
.diagram{margin:2rem 0;padding:1.25rem;background:#f1f4f1;border:1px solid var(--line)}
.diagram svg{width:100%}
.diagram figcaption{margin:.7rem 0 0;font-size:.85rem;line-height:1.6}
.topic-hub>ul,.article-list{list-style:none;padding:0}
.topic-hub>ul>li,.article-list>li{padding:1.2rem 0;border-top:1px solid var(--line);margin:0}
.topic-hub>ul>li>a{font-family:var(--serif);font-size:1.3rem;line-height:1.3;display:inline-block}
.topic-hub p{font-size:.93rem;margin:.4rem 0 0}
.reading-entry{margin:1.2rem 0 1.6rem;border-bottom:1px solid var(--line);padding-bottom:1rem}
table{border-collapse:collapse;width:100%;margin:1.6rem 0 2rem;font-size:.95rem;table-layout:fixed;line-height:1.6}
caption{font-family:var(--serif);font-size:1.15rem;text-align:left;margin-bottom:.7rem;color:var(--ink)}
th,td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:.65rem .55rem;overflow-wrap:anywhere}
th{background:var(--sand);font-weight:650}
thead th{border-top:2px solid var(--teal)}
dl{margin:0}
dt{font-family:var(--serif);font-size:1.3rem;line-height:1.3;margin:1.5rem 0 .4rem;scroll-margin-top:1rem}
dd{margin:0 0 1rem;max-width:70ch}
.site-footer{background:var(--sand);padding:2.7rem 0 2.5rem;border-top:1px solid #d3c8b8}
.independence-notice{font-size:.84rem;line-height:1.7;max-width:100ch;margin-bottom:2.2rem}
.site-footer h2{font-size:1.55rem;margin:0 0 1.2rem}
.site-index{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr));gap:1.5rem 2rem;font-size:.8rem;line-height:1.5}
.site-index h3{font-family:var(--sans);font-size:.86rem;font-weight:650;margin:0 0 .6rem}
.site-index ul{list-style:none;padding:0;margin:0}
.site-index li{padding:0;margin:.6rem 0}
.footer-home{font-size:.86rem;margin:1.5rem 0 0}
@media(min-width:960px){.reading-layout{grid-template-columns:minmax(0,76ch) minmax(0,240px);gap:3.8rem}.contents{grid-column:2;grid-row:1;position:sticky;top:1.5rem}.reading-content{grid-column:1;grid-row:1}.brand-row{justify-content:space-between}.section-menu details{flex-basis:0}.page-head{max-width:1040px}.home .reading-layout{grid-template-columns:minmax(0,85ch) minmax(0,240px)}}
@media(max-width:520px){.wrap{width:calc(100% - 2rem)}html{font-size:18px}.page-head{padding-top:2rem}.wordmark{font-size:1.45rem}.key-points,.questions{padding:1rem}.diagram{padding:.65rem}table{font-size:.95rem}th,td{padding:.55rem .35rem}.section-menu{gap:0 .7rem}.section-menu details{flex-basis:calc(50% - .7rem)}h2{font-size:1.65rem}.contents{margin-bottom:.5rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.warning-signs thead th:first-child{width:9%}.warning-signs thead th:nth-child(2){width:25%}.warning-signs thead th:nth-child(3){width:66%}