:root{--ink:#173638;--muted:#688082;--teal:#0c6865;--teal2:#0f7d78;--line:#dfe8e7;--bg:#f6f9f8;--soft:#edf6f4;--white:#fff;--danger:#a93535;--radius:18px;--shadow:0 18px 55px rgba(23,54,56,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%}.container{width:min(1220px,calc(100% - 40px));margin:auto}.narrow{width:min(820px,calc(100% - 40px));margin:auto}.center{text-align:center}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:16px;top:16px;z-index:999;background:#fff;padding:10px}.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(223,232,231,.9)}.header-row{height:76px;display:flex;align-items:center;gap:28px}.brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.02em}.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--teal);color:#fff;display:grid;place-items:center;font-size:13px;letter-spacing:.02em}.main-nav{display:flex;align-items:center;gap:24px;margin-left:auto;font-size:14px;font-weight:650}.main-nav>a,.nav-dd>a{padding:26px 0}.nav-dd{position:relative}.mega{display:none;position:absolute;top:62px;left:-120px;width:600px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow);grid-template-columns:1fr 1fr;gap:20px}.nav-dd:hover .mega{display:grid}.mega strong{display:block;margin-bottom:8px}.mega a{display:block;padding:7px 0;color:#345153}.mega-note{background:var(--soft);border-radius:12px;padding:20px}.mega-note span{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--teal);font-weight:800}.mega-note p{margin-bottom:0}.header-search{display:flex;border:1px solid var(--line);border-radius:12px;overflow:hidden}.header-search input{width:115px;border:0;padding:9px 10px;outline:none}.header-search button{border:0;background:#fff;padding:0 11px;color:var(--teal);font-size:20px}.mobile-toggle{display:none;border:0;background:transparent;font-size:24px}.hero{padding:84px 0 54px;background:linear-gradient(180deg,#f7fbfa 0,#fff 100%)}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:70px}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:850;color:var(--teal)}h1,h2,h3{line-height:1.14;letter-spacing:-.035em}h1{font-size:clamp(42px,5.7vw,72px);margin:12px 0 22px;max-width:850px}h2{font-size:clamp(30px,4vw,48px);margin:10px 0 16px}.lead{font-size:20px;color:#526c6e;max-width:720px}.hero-actions{display:flex;gap:12px;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--teal);color:#fff;border:1px solid var(--teal);padding:12px 17px;border-radius:11px;font-weight:750;cursor:pointer}.btn.secondary{background:#fff;color:var(--teal)}.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}.trust-row{display:flex;flex-wrap:wrap;gap:18px;margin-top:28px;color:#496668;font-size:13px}.hero-panel{min-height:440px;display:grid;place-items:center}.hero-orbit{position:relative;width:400px;height:400px;border:1px solid #dcebea;border-radius:50%;display:grid;place-items:center}.hero-orbit:before,.hero-orbit:after{content:"";position:absolute;border:1px solid #e8f0ef;border-radius:50%}.hero-orbit:before{inset:38px}.hero-orbit:after{inset:78px}.hero-core{position:relative;z-index:3;width:235px;background:#fff;border:1px solid var(--line);border-radius:30px;padding:30px;box-shadow:var(--shadow)}.hero-core small{color:var(--teal);font-weight:700}.hero-core strong{display:block;font-size:28px;line-height:1.06;margin:9px 0}.hero-core p{font-size:13px;color:var(--muted);margin-bottom:0}.orb{position:absolute;width:24px;height:24px;background:var(--teal);border-radius:50%;box-shadow:0 0 0 10px #e8f5f2}.orb-a{top:36px;right:71px}.orb-b{bottom:45px;left:45px;width:15px;height:15px}.section{padding:86px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:34px}.section-head h2{margin-bottom:4px}.section-head p{color:var(--muted);max-width:690px}.section-head>a{color:var(--teal);font-weight:750}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.topic-card{padding:28px;min-height:235px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:.2s;background:#fff}.topic-card:hover{background:#f9fcfb}.topic-card h3{font-size:23px;margin:20px 0 10px}.topic-card p{color:var(--muted)}.topic-card>span:last-child{color:var(--teal);font-weight:750}.topic-no{font-size:12px;color:#829697;font-weight:750}.symptom-strip{background:#102f31;color:#eaf4f3;padding:70px 0}.symptom-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.symptom-grid p{color:#abc1c2}.symptoms{display:flex;flex-wrap:wrap;gap:10px}.symptoms span{padding:12px 14px;border:1px solid rgba(255,255,255,.18);border-radius:999px;color:#dceaea}.studies-home{background:#f7faf9}.study-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.study-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.2s}.study-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.study-card h3{font-size:24px;margin:14px 0}.study-card p{color:var(--muted)}.study-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:12px;color:#617879}.study-meta span{padding:6px 9px;background:var(--soft);border-radius:8px}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.article-card{border:1px solid var(--line);padding:25px;border-radius:var(--radius)}.article-card h3{font-size:22px}.article-card p{color:var(--muted)}.article-tag{font-size:12px;color:var(--teal);font-weight:800}.article-foot{display:flex;justify-content:space-between;gap:10px;border-top:1px solid var(--line);padding-top:16px;margin-top:20px;font-size:12px}.article-foot a{font-weight:800;color:var(--teal)}.emergency{padding:62px 0;background:#7d2b2b;color:#fff}.emergency-inner{display:grid;grid-template-columns:1.3fr .7fr;gap:60px;align-items:center}.emergency h2{margin-bottom:0}.emergency-inner>div:last-child{border-left:1px solid rgba(255,255,255,.2);padding-left:40px}.emergency-inner>div:last-child span{display:block;font-size:68px;line-height:1;font-weight:900}.eyebrow.light{color:#ffcece}.site-footer{background:#0a2325;color:#cfdddd;padding:64px 0 20px}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}.footer-grid h3{font-size:15px;color:#fff}.footer-grid a{display:block;color:#c0d1d2;padding:4px 0}.footer-brand{color:#fff}.medical-note{font-size:13px;color:#adc1c2}.footer-bottom{margin-top:46px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:12px}.page-hero,.article-hero,.study-hero{padding:70px 0;background:#f7faf9;border-bottom:1px solid var(--line)}.page-hero h1,.article-hero h1,.study-hero h1{font-size:clamp(42px,5vw,64px)}.page-hero p,.article-hero p{font-size:18px;color:var(--muted);max-width:800px}.breadcrumbs{font-size:12px;color:#708586;margin-bottom:16px}.article-head{width:min(980px,calc(100% - 40px))}.article-kicker{display:inline-block;color:var(--teal);font-weight:800}.article-byline{display:flex;flex-wrap:wrap;gap:10px 20px;font-size:12px;color:#6f8384;margin-top:24px}.article-layout{display:grid;grid-template-columns:220px minmax(0,760px) 220px;gap:36px;justify-content:center}.toc,.related{position:sticky;top:105px;align-self:start}.toc>strong,.related>strong{display:block;margin-bottom:12px}.toc>a{display:block;font-size:13px;padding:5px 0;color:#587173}.toc .lv3{padding-left:12px}.trust-box{margin-top:24px;padding:15px;background:var(--soft);border-radius:12px;font-size:12px}.related a{display:block;padding:12px 0;border-bottom:1px solid var(--line);font-size:13px;font-weight:700}.related small{display:block;font-weight:400;color:var(--muted)}.prose{font-size:17px;line-height:1.8}.prose h2{font-size:34px;margin-top:52px}.prose h3{font-size:25px;margin-top:36px}.prose a{color:var(--teal);text-decoration:underline}.prose table{width:100%;border-collapse:collapse}.prose th,.prose td{border:1px solid var(--line);padding:10px;text-align:left}.medical-alert{display:flex;gap:12px;align-items:flex-start;padding:16px 18px;border-left:4px solid #d99b25;background:#fff8e9;border-radius:8px;margin:0 0 28px}.medical-alert strong{white-space:nowrap}.article-disclaimer{margin-top:44px;padding:20px;border:1px solid var(--line);background:#fafcfc;border-radius:12px;font-size:13px;color:#617879}.sources{margin-top:48px;padding-top:20px;border-top:1px solid var(--line)}.study-list{display:grid;gap:14px}.study-row{display:flex;justify-content:space-between;gap:35px;border:1px solid var(--line);padding:26px;border-radius:16px}.study-row h2{font-size:26px}.study-row p{color:var(--muted)}.arrow-link{align-self:center;color:var(--teal);font-weight:800;white-space:nowrap}.chips{display:flex;flex-wrap:wrap;gap:8px}.chips span{font-size:12px;padding:6px 9px;background:#f2f7f6;border-radius:8px}.filters{display:grid;grid-template-columns:repeat(4,1fr) auto auto;gap:10px;margin-bottom:28px}.filters select,.big-search input,.faq-search,.contact-form input,.contact-form textarea{border:1px solid var(--line);border-radius:10px;padding:12px 13px;font:inherit;background:#fff}.study-hero .narrow{width:min(980px,calc(100% - 40px))}.original-title{color:var(--muted);font-style:italic}.study-layout{display:grid;grid-template-columns:260px minmax(0,800px);gap:50px;justify-content:center}.study-facts{position:sticky;top:100px;align-self:start;border:1px solid var(--line);padding:20px;border-radius:14px}.study-facts dl{margin:10px 0 20px}.study-facts dt{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-top:12px}.study-facts dd{margin:2px 0;font-weight:700;word-break:break-word}.full{width:100%}.key-summary{padding:24px;background:#eff7f5;border-left:4px solid var(--teal);border-radius:10px}.key-summary span{font-size:12px;text-transform:uppercase;color:var(--teal);font-weight:800}.key-summary p{font-size:20px;margin-bottom:0}.alphabet{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:28px}.alphabet a{width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px;font-size:12px}.glossary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.glossary-card{padding:22px;border:1px solid var(--line);border-radius:14px}.glossary-card strong{font-size:20px}.glossary-card p{color:var(--muted);margin-bottom:0}.faq-search{width:100%;margin-bottom:30px}.faq-group{margin:38px 0}.faq-group h2{font-size:25px}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}.faq-item summary{padding:18px 4px;cursor:pointer;font-weight:750}.faq-item>div{padding:0 4px 20px;color:#50696b}.big-search{display:flex;gap:8px}.big-search input{flex:1}.search-results{display:grid;gap:12px;margin-top:18px}.search-results a{border:1px solid var(--line);border-radius:14px;padding:20px}.search-results span{font-size:11px;color:var(--teal);text-transform:uppercase;font-weight:800}.search-results h2{font-size:24px;margin:7px 0}.search-results p{color:var(--muted);margin-bottom:0}.contact-form{display:grid;gap:16px}.contact-form label{display:grid;gap:6px;font-weight:700}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.notice{padding:14px;border-radius:10px;margin-bottom:18px}.notice.success{background:#edf8f3}.notice.error{background:#fff0f0}.empty-state{padding:25px;border:1px dashed #cbd9d8;border-radius:14px;color:var(--muted);background:#fafcfc}.error-code{font-size:80px;color:var(--teal);font-weight:900}.cookie-banner{position:fixed;left:20px;right:20px;bottom:20px;z-index:100;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px;padding:18px;display:flex;justify-content:space-between;gap:20px;align-items:center}.cookie-banner[hidden]{display:none}.cookie-banner p{margin:3px 0 0;color:var(--muted);font-size:13px}.cookie-actions{display:flex;gap:8px}.cookie-modal{position:fixed;inset:0;z-index:110;background:rgba(7,26,28,.58);display:grid;place-items:center}.cookie-modal[hidden]{display:none}.cookie-card{width:min(480px,calc(100% - 30px));background:#fff;border-radius:18px;padding:26px;position:relative}.cookie-card label{display:block;padding:10px 0}.cookie-close{position:absolute;right:15px;top:12px;border:0;background:none;font-size:26px}.cookie-card .btn{margin-top:12px}@media(max-width:1050px){.header-search{display:none}.article-layout{grid-template-columns:190px minmax(0,1fr)}.related{display:none}.topic-grid,.article-grid{grid-template-columns:repeat(2,1fr)}.filters{grid-template-columns:repeat(2,1fr)}.study-layout{grid-template-columns:220px minmax(0,1fr)}}@media(max-width:760px){.container,.narrow{width:min(100% - 28px,1220px)}.header-row{height:66px}.mobile-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;left:14px;right:14px;top:68px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav>a,.nav-dd>a{display:block;padding:9px 0}.mega{position:static;display:none!important}.hero{padding-top:58px}.hero-grid,.symptom-grid,.emergency-inner,.study-layout,.article-layout{grid-template-columns:1fr}.hero-panel{min-height:320px}.hero-orbit{width:290px;height:290px}.section{padding:62px 0}.topic-grid,.article-grid,.study-grid,.glossary-grid{grid-template-columns:1fr}.section-head{align-items:flex-start;flex-direction:column}.toc,.study-facts{position:static}.toc{order:2}.study-row{flex-direction:column}.arrow-link{align-self:flex-start}.filters{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.emergency-inner>div:last-child{border-left:0;border-top:1px solid rgba(255,255,255,.2);padding:25px 0 0}.cookie-banner{flex-direction:column;align-items:stretch}.cookie-actions{flex-wrap:wrap}.form-grid{grid-template-columns:1fr}}@media(max-width:480px){h1{font-size:42px}.footer-grid,.filters{grid-template-columns:1fr}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}.topic-card{min-height:0}.study-row{padding:20px}.cookie-actions .btn{flex:1}.header-row .brand span:last-child{font-size:14px}}
.brand-logo{height:42px;max-width:220px;object-fit:contain;display:block}.article-cover{margin-top:28px}.article-cover img{display:block;width:100%;max-height:520px;object-fit:cover;border-radius:18px;border:1px solid var(--line)}.card-cover{display:block;width:100%;height:180px;object-fit:cover;border-radius:12px;margin-bottom:14px}.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}.article-tags span{font-size:12px;background:#eef6f4;border:1px solid #dbe9e6;padding:6px 9px;border-radius:999px}.sources ol{padding-left:20px}.sources li{margin:9px 0}.sources li a{color:var(--teal);font-weight:700}.sources li small{color:var(--muted)}
.responsive-table{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}.responsive-table table{min-width:680px}.filters{grid-template-columns:repeat(4,minmax(0,1fr))}.filters .btn{min-height:46px}@media(max-width:1050px){.filters{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:620px){.filters{grid-template-columns:1fr}.responsive-table table{min-width:600px}}

.content-alert{padding:18px 20px;border-left:4px solid #b64141;background:#fff4f3;border-radius:10px;margin:22px 0}.content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:22px 0}.content-grid>div{border:1px solid #dfe9e7;padding:18px;border-radius:12px;background:#fff}.footer-link-button{display:block;background:none;border:0;padding:0;margin:8px 0;color:inherit;font:inherit;cursor:pointer;text-align:left}.footer-link-button:hover{text-decoration:underline}@media(max-width:720px){.content-grid{grid-template-columns:1fr}}
