:root{color-scheme:dark;--bg:#080d16;--surface:#101925;--line:#263548;--text:#edf4fb;--body:#bdcbd8;--muted:#8fa3b7;--mint:#65e4b7;--cyan:#72cde2;--coral:#eea18f;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);font-size:16px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;line-height:1.6}a{color:var(--mint);text-underline-offset:4px}a:hover{color:#adf4d9}a:focus-visible,summary:focus-visible,.table-scroll:focus-visible{outline:2px solid var(--mint);outline-offset:5px}img{display:block;max-width:100%;height:auto}.shell{width:min(1240px,calc(100% - 64px));margin-inline:auto}.skip-link{position:absolute;left:20px;top:-100px;background:var(--mint);color:var(--bg);padding:12px 18px;z-index:10}.skip-link:focus{top:10px}.reading-progress{position:fixed;inset:0 auto auto 0;height:3px;width:0;background:var(--mint);z-index:20}.site-header{height:90px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:20px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text)}.brand-mark{display:grid;place-items:center;width:39px;height:39px;border:1px solid var(--mint);border-radius:12px;color:var(--mint);font-size:17px;font-weight:800;box-shadow:0 0 30px #38d6a91f}.brand strong,.brand small{display:block}.brand strong{font-size:17px;line-height:1.3;letter-spacing:-.02em}.brand small{color:var(--muted);font-size:10px;letter-spacing:.16em;text-transform:uppercase}.site-header nav{display:flex;align-items:center;gap:28px;font-size:13px}.site-header nav a{color:var(--muted);text-decoration:none}.site-header nav a:hover,.site-header nav a[aria-current=page]{color:var(--mint)}.site-header .nav-pdf{padding:8px 13px;border:1px solid var(--line);border-radius:7px;color:var(--text)}.eyebrow{display:flex;gap:10px;align-items:center;color:var(--mint);font-size:11px;font-weight:650;letter-spacing:.15em;text-transform:uppercase}.signal{width:6px;height:6px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px #65e4b715}.article-hero{padding-top:38px}.back-link{display:inline-block;margin-bottom:35px;font-size:12px;color:var(--muted);text-decoration:none}.status-label{margin-left:auto;padding:5px 9px;border:1px solid var(--line);border-radius:4px;letter-spacing:.06em;color:var(--muted);font-size:10px}.article-hero h1{max-width:1100px;font-size:clamp(40px,5.1vw,70px);line-height:1.07;letter-spacing:-.048em;font-weight:680;margin:24px 0}.article-hero h1>span{display:block;color:#a4b9ca;font-size:.72em;line-height:1.14;letter-spacing:-.035em;margin-top:12px;max-width:960px}.hero-lede{max-width:780px;font-size:19px;color:var(--body);line-height:1.7;margin:0 0 27px}.byline{display:flex;gap:14px;align-items:center;font-size:12px}.avatar{width:37px;height:37px;border:1px solid #3a665b;background:#122a26;display:grid;place-items:center;border-radius:50%;color:var(--mint);font-size:11px;letter-spacing:.06em}.byline strong,.byline span:not(.avatar),.byline time{display:block}.byline strong{font-weight:600}.byline span:not(.avatar){color:var(--muted);font-size:11px}.byline-date{margin-left:24px;padding-left:25px;border-left:1px solid var(--line)}.article-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;padding:11px 17px;border:1px solid #34475d;border-radius:7px;color:var(--text);font-size:13px;font-weight:600;text-decoration:none}.button.primary{background:var(--mint);color:#071b17;border-color:var(--mint)}.button:hover{border-color:var(--mint)}.text-link{font-size:12px;margin-left:8px}.cover{margin:44px 0 0}.cover img{width:100%;border:1px solid #334454;border-radius:10px}.cover figcaption{text-align:right;font-size:10px;color:var(--muted);margin-top:9px}.findings{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding-top:38px;margin-top:18px;border-bottom:1px solid var(--line)}.finding{padding:0 30px 24px}.finding:first-child{padding-left:0}.finding+.finding{border-left:1px solid var(--line)}.finding-label{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.08em}.finding strong{display:block;color:var(--mint);font-size:42px;font-weight:550;letter-spacing:-.04em;font-variant-numeric:tabular-nums;margin:7px 0 2px}.finding strong small{font-size:16px;letter-spacing:0;font-weight:400}.finding.price strong{color:var(--coral)}.finding p{margin:0;color:var(--muted);font-size:12px}.findings-note{grid-column:1/-1;color:var(--muted);font-size:11px;margin:0;padding:15px 0 19px;border-top:1px solid var(--line)}.research-notice{display:flex;gap:23px;align-items:baseline;margin-top:25px;padding:19px 23px;border:1px solid #284238;border-left:3px solid var(--mint);background:#0d1b1c;border-radius:3px}.research-notice>span{text-transform:uppercase;font-size:10px;letter-spacing:.12em;color:var(--mint)}.research-notice p{margin:0;font-size:12px;color:#a6bfbc;line-height:1.8}.research-notice strong{font-weight:600;color:#d7e9e4}.reading-layout{display:grid;grid-template-columns:235px minmax(0,1fr);gap:66px;padding-top:70px;padding-bottom:95px;align-items:start}.contents{position:sticky;top:28px;font-size:12px;max-height:calc(100vh - 56px);overflow:auto}.contents summary{list-style:none;color:var(--text);font-size:10px;text-transform:uppercase;letter-spacing:.14em;font-weight:650}.contents summary::-webkit-details-marker{display:none}.contents ol{list-style:none;padding:0;margin:20px 0}.contents li{margin:0}.contents li a{display:block;text-decoration:none;line-height:1.45;padding:7px 0 7px 12px;color:var(--muted);border-left:1px solid var(--line);font-size:11px}.contents li a:hover,.contents li a.active{color:var(--mint);border-color:var(--mint)}.contents-download{border-top:1px solid var(--line);padding-top:18px;margin-top:24px;display:grid;gap:9px;font-size:11px}.contents-download span{color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.1em}.contents-download a{text-decoration:none}.paper{min-width:0;max-width:880px;color:var(--body);font-size:16px;line-height:1.85;overflow-wrap:anywhere}.paper-title{border-bottom:1px solid var(--line);padding-bottom:29px;margin-bottom:38px}.paper-title h2{font-size:37px;letter-spacing:-.035em;line-height:1.14;margin:13px 0}.paper-title>p{font-size:19px;line-height:1.45;margin:0 0 18px;color:#c0d0de;max-width:650px}.paper-title small{color:var(--muted);font-size:11px;line-height:1.9}.paper h2{color:var(--text);font-weight:620;font-size:29px;letter-spacing:-.025em;line-height:1.25;margin:52px 0 20px;scroll-margin-top:35px}.paper h3{color:#dfeaf3;font-weight:600;font-size:19px;letter-spacing:-.01em;line-height:1.4;margin:35px 0 16px;scroll-margin-top:35px}.paper p{margin:0 0 21px}.paper strong{color:#e2edf5;font-weight:620}.paper ul,.paper ol{padding-left:24px;margin:16px 0 24px}.paper li{padding-left:4px;margin-bottom:9px}.paper blockquote{border-left:2px solid var(--mint);margin:28px 0;padding:10px 0 10px 25px;color:#d7e9e5;font-size:19px;line-height:1.65}.paper blockquote p{margin:0}.paper code{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;font-size:.84em;color:#d0e7e4;background:#11242a;border:1px solid #20383e;padding:2px 4px;border-radius:3px;overflow-wrap:anywhere;white-space:break-spaces}.paper p.equation{padding:17px 20px;border-left:2px solid #436d65;background:#101e26;line-height:1.7;margin-block:23px}.paper p.equation code{border:0;background:transparent;padding:0}.heading-anchor{margin-left:10px;font-size:16px;text-decoration:none;opacity:0}.paper h2:hover .heading-anchor,.paper h3:hover .heading-anchor,.heading-anchor:focus{opacity:1}.table-scroll{width:100%;overflow-x:auto;margin:28px 0;border:1px solid #304353;border-radius:6px}.paper table{border-collapse:collapse;width:100%;font-size:12px;line-height:1.6;white-space:normal;font-variant-numeric:tabular-nums}.paper th{text-align:left;color:#d9e7f2;font-size:11px;font-weight:600;background:#17232f}.paper th,.paper td{padding:12px 15px;border-bottom:1px solid #263548;min-width:110px}.paper td{color:#b4c7d6}.paper th:first-child,.paper td:first-child{min-width:180px}.paper tr:last-child td{border:0}.paper tbody tr:nth-child(even){background:#0c1520}.paper img{width:100%;border:1px solid #314452;border-radius:6px;margin-top:32px}.paper p:has(>em:only-child){font-size:12px;line-height:1.7;color:var(--muted);margin-top:-8px;margin-bottom:30px}.appendix{border-top:1px solid #436a5b;margin-top:60px;padding-top:40px}.appendix-title h2{margin-top:12px}.appendix-title p{font-size:14px;color:var(--muted)}.appendix-index{padding:14px 18px;border:1px solid var(--line);border-radius:5px;font-size:13px}.appendix-index summary{color:var(--mint);cursor:pointer}.appendix-index ol{font-size:12px;line-height:1.5}.appendix-index a{text-decoration:none}.citation{border:1px solid #35584c;background:#0d1c1e;border-radius:7px;padding:25px 29px;margin-top:55px;font-size:13px}.citation h2{margin-top:0;font-size:20px}.citation p:last-child{margin:0}.citation-note{font-size:11px;color:var(--muted)}.site-footer{display:flex;justify-content:space-between;gap:30px;padding-block:29px 40px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.site-footer a{text-decoration:none}.site-footer p{margin:6px 0 0}.footer-brand{font-weight:650;font-size:14px;color:var(--text)}.research-index{padding-top:75px;padding-bottom:85px}.research-index h1{font-size:clamp(42px,5.7vw,76px);font-weight:620;letter-spacing:-.05em;line-height:1.02;margin:24px 0}.index-lede{max-width:650px;color:var(--body);font-size:18px;margin-bottom:44px}.research-card{display:grid;grid-template-columns:1.05fr 1fr;border:1px solid #324657;border-radius:12px;overflow:hidden;text-decoration:none;color:var(--body);background:#0d1723;transition:border-color .2s}.research-card:hover{border-color:var(--mint);color:var(--body)}.research-card img{width:100%;height:100%;object-fit:cover}.research-card-body{padding:32px 35px}.research-card h2{color:var(--text);font-size:32px;line-height:1.1;letter-spacing:-.04em;margin:15px 0 10px}.research-card p{font-size:13px;line-height:1.65}.research-card .card-subtitle{font-size:18px;color:#cedee9;line-height:1.3;margin-top:0}.card-meta{display:flex;justify-content:space-between;gap:14px;padding-top:18px;margin-top:22px;border-top:1px solid var(--line);font-size:10px}.card-meta strong{color:var(--mint);font-weight:500}.index-note{color:var(--muted);font-size:11px;margin-top:20px}
@media(min-width:1500px){.article-hero h1{font-size:74px}.cover{max-width:1120px}.findings{padding-right:120px}}
@media(max-width:1000px){.reading-layout{grid-template-columns:190px minmax(0,1fr);gap:35px}.contents li a{font-size:10px}.research-card-body{padding:26px}.research-card h2{font-size:27px}.card-meta{flex-direction:column}.research-card img{object-fit:contain;background:#090d15}.paper{font-size:15px}}
@media(max-width:760px){.shell{width:calc(100% - 36px)}.site-header{height:76px}.site-header nav{gap:18px;font-size:12px}.site-header .nav-pdf{display:none}.article-hero{padding-top:24px}.back-link{margin-bottom:27px}.status-label{font-size:8px;letter-spacing:0}.eyebrow{font-size:9px;letter-spacing:.1em}.article-hero h1{font-size:clamp(36px,7.6vw,56px)}.article-hero h1>span{font-size:.73em}.hero-lede{font-size:16px}.byline-date{margin-left:7px;padding-left:17px}.byline-date time{font-size:11px}.article-actions{gap:10px}.article-actions .text-link{margin:7px 0 0;flex-basis:100%}.button{font-size:12px;padding-inline:13px;gap:12px}.cover{margin-top:30px}.cover img{border-radius:5px}.cover figcaption{text-align:left;font-size:9px}.findings{padding-top:23px;gap:0}.finding{padding:0 13px 19px}.finding strong{font-size:29px}.finding strong small{font-size:10px}.finding-label{font-size:8px;letter-spacing:.025em;display:block;min-height:27px;line-height:1.5}.finding p{font-size:9px;line-height:1.5}.findings-note{font-size:9px;line-height:1.7}.research-notice{display:block;padding:15px 17px}.research-notice p{font-size:11px;margin-top:5px}.reading-layout{grid-template-columns:1fr;gap:30px;padding-top:35px;padding-bottom:60px}.contents{position:static;max-height:none;overflow:visible;border:1px solid var(--line);border-radius:5px;padding:15px 18px}.contents summary{cursor:pointer;list-style:disclosure-closed}.contents details[open]>summary{list-style:disclosure-open}.contents ol{display:grid;grid-template-columns:1fr 1fr;gap:2px 8px;margin-bottom:0}.contents li a{font-size:10px}.contents-download{display:none}.paper{max-width:none;font-size:15px;line-height:1.85}.paper-title{margin-bottom:28px}.paper-title h2{font-size:30px;margin-top:12px}.paper-title>p{font-size:17px}.paper h2{font-size:25px;margin-top:40px}.paper h3{font-size:18px}.paper th,.paper td{padding:10px 12px}.paper blockquote{font-size:17px;padding-left:18px}.citation{padding:20px}.site-footer{flex-direction:column;gap:18px;font-size:10px}.research-index{padding-block:45px 55px}.research-index h1{font-size:46px}.index-lede{font-size:16px}.research-card{grid-template-columns:1fr}.research-card img{height:auto}.research-card-body{padding:24px}.research-card h2{font-size:29px}.card-meta{flex-direction:row}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.research-card{transition:none}}
@media print{:root{color-scheme:light;background:#fff;color:#15232e}.site-header,.contents,.article-actions,.cover,.findings,.research-notice,.site-footer,.reading-progress,.back-link,.heading-anchor,.appendix-index{display:none}.shell{width:100%}.article-hero{padding:0}.article-hero h1{font-size:27pt;color:#15232e}.article-hero h1>span{color:#384d5c}.reading-layout{display:block;padding:0}.paper{max-width:none;color:#1b2b36;font-size:10pt}.paper h2,.paper h3,.paper strong{color:#15232e}.paper h2{break-after:avoid}.paper code{color:#1b2b36;background:#eef2f4}.table-scroll{overflow:visible}.paper table{font-size:8pt}.paper th,.paper td{color:#1b2b36}.paper th{background:#edf3f1}.paper tbody tr:nth-child(even){background:#f6f8f9}.paper img{break-inside:avoid}.citation{background:#f6faf8}.status-label{display:none}.paper-title{margin-top:25px}.hero-lede{font-size:12pt;color:#425662}.byline,.byline span:not(.avatar){color:#425662}a{color:#165e4d}.paper p.equation{background:#f4f7f8}.paper blockquote{color:#244638}}

/* Short bilingual field notes share the research visual system. */
.site-header .language-link{padding:8px 13px;border:1px solid var(--line);border-radius:7px;color:var(--text)}
.site-header .language-link:hover{border-color:var(--mint)}
.field-note{padding-top:56px;padding-bottom:96px}
.field-note-copy{margin-inline:auto}
.field-note-copy h2:first-child{margin-top:0}
.field-note-copy .table-scroll{max-width:760px}
.field-note-copy table th{width:65%;font-weight:550}
.field-note-copy table td{text-align:right;white-space:nowrap}
.field-note-copy .result-row th,.field-note-copy .result-row td{color:var(--mint);font-weight:700}
.field-note-cta{margin-top:55px;padding:27px 30px;border:1px solid #35584c;border-radius:8px;background:#0d1c1e}
.field-note-cta span{color:var(--mint);font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.field-note-cta p{margin:8px 0 20px}
.index-language-link{margin:9px 0 33px;text-align:right;font-size:12px}
.index-language-link a{text-decoration:none}
@media(max-width:760px){.site-header .language-link{padding:6px 9px}.field-note{padding-top:36px;padding-bottom:60px}.field-note-copy table th{width:62%}.field-note-copy table td{white-space:normal}.field-note-cta{padding:20px}.index-language-link{margin-bottom:28px}}
@media print{.field-note-cta{display:none}.field-note{padding:12px 0}}