:root{--bg:#fbf5ea;--surface:#fffbf3;--ink:#15302f;--muted:#4a5b59;--accent:#0f6b6b;--accent-ink:#ffffff;--accent2:#d9583c;--line:#e6d6b8;--hero-ink:#ffffff;--r:14px;--maxw:1200px;--measure:68ch;--hf:'Maitree', Georgia, serif;--bf:'Source Sans 3', 'Segoe UI', system-ui, sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:18px/1.65 var(--bf)}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-underline-offset:.18em}
h1,h2,h3,h4{font-family:var(--hf);line-height:1.18;margin:1.6em 0 .5em;font-weight:600;letter-spacing:0}
h1{font-size:clamp(2rem,5vw,3.5rem);margin-top:0}
h2{font-size:clamp(1.4rem,3vw,2rem)}h3{font-size:1.2rem}
p,ul,ol,table,details{margin:0 0 1.1em}
.wrap{max-width:max(var(--maxw),min(88vw,1760px));margin:0 auto;padding:0 20px}
@media(min-width:1800px){body article.prose>:is(p,ul,ol,h2,h3,h4,blockquote,dl,details,.callout,.disclosure,.table-wrap){max-width:52rem}}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:var(--surface);padding:8px;z-index:9}
header.site{border-bottom:1px solid var(--line);background:var(--surface)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
.brand{font-family:var(--hf);font-weight:800;font-size:1.25rem;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:10px}
.brand svg{flex:none}
nav.main ul{list-style:none;display:flex;flex-wrap:wrap;gap:4px 18px;margin:0;padding:0}
nav.main a{color:var(--ink);text-decoration:none;font-size:.95rem;padding:4px 0;border-bottom:2px solid transparent}
nav.main a[aria-current]{border-color:var(--accent)}
.menu-btn{display:none}
@media(max-width:760px){.menu-btn{display:inline-block;background:none;border:1px solid var(--line);color:var(--ink);border-radius:var(--r);padding:6px 12px;font:inherit}
nav.main{width:100%;display:none}nav.main.open{display:block}nav.main ul{flex-direction:column;gap:6px}}
.hero{position:relative;overflow:hidden}
.hero .wrap{padding-top:56px;padding-bottom:56px}
.hero .lead{font-size:1.18rem;color:var(--muted);max-width:60ch}
.hero.full{color:var(--hero-ink);min-height:440px;display:flex;align-items:flex-end}
.hero.full img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero.full::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.05),rgba(0,0,0,.62))}
.hero.full .wrap{position:relative;z-index:1;width:100%}.hero.full .lead{color:inherit;opacity:.92}
.hero.split .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero.split img{border-radius:var(--r);aspect-ratio:4/3;object-fit:cover;width:100%}
.hero.banner img{width:100%;max-height:380px;object-fit:cover;border-radius:var(--r);margin-top:28px}
.hero.plain{background:var(--surface);border-bottom:1px solid var(--line)}
@media(max-width:760px){.hero.split .wrap{grid-template-columns:1fr}.hero.full{min-height:340px}.hero .wrap{padding-top:36px;padding-bottom:36px}}
.page{display:grid;gap:48px;padding-top:40px;padding-bottom:64px}
.page.toc-layout{grid-template-columns:220px minmax(0,1fr)}
.page.toc-layout .toc{position:sticky;top:20px;align-self:start;font-size:.92rem;border-left:3px solid var(--accent);padding-left:14px}
.page.toc-layout .toc ul{list-style:none;padding:0;margin:0}.page.toc-layout .toc li{margin:.35em 0}
.page.toc-layout .toc a{color:var(--muted);text-decoration:none}
@media(max-width:860px){.page.toc-layout{grid-template-columns:1fr}.page.toc-layout .toc{position:static}}
/* Content uses the full container width (cards, grids, tables); only running text keeps a readable measure. */
article.prose{max-width:none;min-width:0}
article.prose>:is(p,ul,ol,h2,h3,h4,blockquote,dl,details,.callout,.disclosure,.table-wrap){max-width:47.5rem;margin-left:auto;margin-right:auto}
.page.toc-layout article.prose>*{margin-left:0;margin-right:0}
/* A heading that introduces a full-width block (cards, grid, table) lines up with that block, not the text column. */
body article.prose>:is(h2,h3):has(+ :is(.cards,nav,div,table,section,ul.grid)){max-width:none;margin-left:0;margin-right:0}
.page.wide article.prose>*{max-width:none}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin:0 0 1.4em}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.card h3{margin-top:0}.card p:last-child{margin-bottom:0}
a.card{display:block;color:var(--ink);text-decoration:none}a.card:hover{border-color:var(--accent)}
.callout{border-left:4px solid var(--accent2);background:var(--surface);padding:14px 18px;border-radius:0 var(--r) var(--r) 0;margin:0 0 1.2em}
.table-wrap{overflow-x:auto;margin:0 0 1.2em}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{border-bottom:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top}
th{font-family:var(--hf);background:var(--surface)}
details{border:1px solid var(--line);border-radius:var(--r);padding:10px 16px;background:var(--surface)}
summary{cursor:pointer;font-weight:600}
.steps{counter-reset:s;list-style:none;padding:0}.steps li{counter-increment:s;position:relative;padding-left:44px;margin-bottom:1em}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-weight:700;font-size:.9rem}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);padding:10px 18px;border-radius:var(--r);text-decoration:none;font-weight:600;border:0;font:inherit;cursor:pointer}
.aff{border:1px dashed var(--accent);border-radius:var(--r);padding:16px 18px;margin:0 0 1.2em;background:var(--surface)}
.aff .tag{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.disclosure{font-size:.88rem;color:var(--muted);border:1px solid var(--line);border-radius:var(--r);padding:10px 14px;margin:0 0 1.6em}
.meta{font-size:.88rem;color:var(--muted)}
dl dt{font-family:var(--hf);font-weight:700;margin-top:1em}dl dd{margin:.2em 0 0 0;color:var(--ink)}
footer.site{border-top:1px solid var(--line);background:var(--surface);font-size:.92rem;color:var(--muted)}
footer.site .wrap{padding-top:32px;padding-bottom:32px;display:grid;gap:18px}
footer.site ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px 18px}
footer.site a{color:var(--muted)}
.rr header.site{background:var(--surface);border-bottom:0;box-shadow:inset 0 -4px 0 #2a9d9a,inset 0 -7px 0 var(--surface),inset 0 -9px 0 #ee7a5f}
.rr header.site .wrap{padding-bottom:20px}
.rr .brand{font-weight:700;font-size:1.4rem;color:#0f4f50}
.rr nav.main a{font-weight:600;font-size:.95rem;color:#24403f;border-bottom-width:3px}
.rr nav.main a:hover{color:var(--accent)}
.rr nav.main a[aria-current]{border-color:var(--accent2)}
.rr .hero{background:linear-gradient(180deg,#fde9d6 0%,#fbf5ea 55%,#e7f4f2 100%);border-bottom:1px solid var(--line)}
.rr .hero::before{content:"";position:absolute;left:0;right:0;bottom:0;height:22px;background:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20120%2022%22%3E%3Cpath%20d%3D%22M0%2012%20Q15%202%2030%2012%20T60%2012%20T90%2012%20T120%2012%20V22%20H0Z%22%20fill%3D%22%232a9d9a%22%20opacity%3D%22.22%22%2F%3E%3C%2Fsvg%3E") repeat-x bottom/120px 22px}
.rr .hero .kicker{display:inline-block;font-weight:700;text-transform:uppercase;letter-spacing:.14em;font-size:.76rem;color:#9b3a22;background:#fff;border:1px solid #f0c9b6;border-radius:999px;padding:5px 12px;margin-bottom:1em}
.rr .hero h1{color:#0f3f40;max-width:20ch}
.rr .hero .lead{color:#3b4f4d;max-width:56ch}
.rr .hero.plain .wrap{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:44px;align-items:center}
.rr .hero.plain .wrap{grid-template-rows:1fr auto auto auto 1fr;row-gap:0}
.rr .hero.plain .wrap>.kicker{grid-column:1;grid-row:2;justify-self:start}.rr .hero.plain .wrap>h1{grid-column:1;grid-row:3}.rr .hero.plain .wrap>.lead{grid-column:1;grid-row:4;margin-bottom:0}
.rr .hero.plain .art{grid-column:2;grid-row:1/span 5;margin:0}
.rr .hero.plain .art svg{width:100%;height:auto;display:block;border-radius:22px;box-shadow:0 18px 40px rgba(20,80,80,.16)}
.rr.p-index .hero.plain .wrap,.rr.p-index .hero.split .wrap{padding-top:64px;padding-bottom:72px}
.rr .hero.split img{border-radius:22px;box-shadow:0 18px 40px rgba(20,80,80,.16)}
.rr .hero.plain:not(:has(.art)) .wrap{display:block}
@media(max-width:760px){.rr .hero.plain .wrap{grid-template-columns:1fr;grid-template-rows:none}.rr .hero.plain .wrap>*{grid-row:auto!important}.rr .hero.plain .art{grid-column:1;margin-top:24px}}
@media(min-width:900px){.rr .tags{grid-template-columns:repeat(3,1fr)}}@media(min-width:1100px){.rr .types{grid-template-columns:repeat(5,1fr)}}
.rr .prose h2{color:#0f3f40;position:relative;padding-top:.5em}
.rr .prose h2::before{content:"";position:absolute;top:0;left:0;width:46px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--accent2) 0 50%,#2a9d9a 50%)}
.rr .prose h3{color:var(--accent)}
.rr .types{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:22px;margin:0 0 1.8em}
.rr a.type{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;color:var(--ink);text-decoration:none;transition:transform .15s,box-shadow .15s,border-color .15s}
.rr a.type:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(15,79,80,.14);border-color:#2a9d9a}
.rr .scene{display:block;width:100%;height:auto;aspect-ratio:16/9}
.rr .tb{padding:16px 18px 20px}.rr .tb h3{margin:0 0 .3em;font-size:1.22rem;color:#0f3f40}.rr .tb p{margin:0;color:var(--muted);font-size:.97rem}
.rr .tags{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:26px 22px;margin:.6em 0 2em;padding-left:12px}
.rr .ltw{position:relative;filter:drop-shadow(0 3px 5px rgba(21,48,47,.13))}
.rr .ltw::before{content:"";position:absolute;left:-12px;top:calc(50% - 30px);width:28px;height:30px;border:2px solid var(--c);border-right:0;border-bottom:0;border-radius:28px 0 0 0;opacity:.75;z-index:1}
.rr .lt{position:relative;height:100%;background:linear-gradient(90deg,var(--c) 0 7px,#fffaf0 7px);padding:18px 20px 18px 50px;clip-path:polygon(30px 0,100% 0,100% 100%,30px 100%,0 calc(100% - 30px),0 30px)}
.rr .lt .eye{position:absolute;left:14px;top:calc(50% - 8px);width:16px;height:16px;border-radius:50%;background:var(--bg);box-shadow:0 0 0 4px var(--c)}
.rr .lt .tp{margin:0 0 .4em;font:700 .72rem/1 var(--bf);text-transform:uppercase;letter-spacing:.14em;color:var(--c)}
.rr .lt .q{margin:0 0 .5em;font:600 1.04rem/1.35 var(--hf);color:#15302f}
.rr .lt .why{margin:0;font-size:.93rem;color:var(--muted)}
.rr .tstrip{margin:2.6em 0 0;border-top:1px solid var(--line);padding-top:1.2em}
.rr .tstrip p{font:700 .78rem/1 var(--bf);text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin:0 0 .8em}
.rr .tstrip ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.rr .tstrip a{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px 16px 6px 6px;text-decoration:none;color:#0f3f40;font-weight:600}
.rr .tstrip a:hover{border-color:#2a9d9a}
.rr .tstrip .scene{width:58px;height:58px;border-radius:50%;aspect-ratio:1}
.rr .callout{border-left:0;border-radius:var(--r);background:#e7f4f2;border:1px solid #bfe0dc;position:relative;padding:16px 20px 16px 22px}
.rr .callout::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;background:var(--accent)}
.rr .callout.warm{background:#fdf0e8;border-color:#f3cdb9}.rr .callout.warm::before{background:var(--accent2)}
.rr table{background:var(--surface)}
.rr th{background:#e7f4f2;color:#0f3f40;font-size:.95rem}
.rr table.ws tbody th{background:transparent;font-weight:600;white-space:nowrap}
.rr .table-wrap{border:1px solid var(--line);border-radius:var(--r)}
.rr .table-wrap table{margin:0}.rr .table-wrap tr:last-child>*{border-bottom:0}
.rr details{border-radius:12px;margin-bottom:.7em}
.rr summary{color:#0f3f40}
.rr .steps li::before{background:var(--accent2);border-radius:8px}
.rr ul.check{list-style:none;padding:0}.rr ul.check li{position:relative;padding-left:32px;margin-bottom:.6em}
.rr ul.check li::before{content:"";position:absolute;left:0;top:.3em;width:18px;height:18px;border-radius:5px;border:2px solid var(--accent);background:#fff}
.rr ul.check li::after{content:"";position:absolute;left:6px;top:.45em;width:6px;height:10px;border:solid var(--accent2);border-width:0 3px 3px 0;transform:rotate(45deg)}
.rr .ph{margin:0 0 1.8em}.rr .ph img{border-radius:18px;max-height:480px;width:100%;object-fit:cover}
.rr .ph figcaption{font-size:.88rem;color:var(--muted);margin-top:.5em}
.rr footer.site{background:#0f4f50;color:#d8ece9;border-top:0;position:relative}
.rr footer.site::before{content:"";display:block;height:18px;background:var(--bg) url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20120%2018%22%3E%3Cpath%20d%3D%22M0%2010%20Q15%200%2030%2010%20T60%2010%20T90%2010%20T120%2010%20V18%20H0Z%22%20fill%3D%22%230f4f50%22%2F%3E%3C%2Fsvg%3E") repeat-x bottom/120px 18px}
.rr footer.site a{color:#ffd9c9}
.rr .page.toc-layout .toc{border-left:3px solid var(--accent2)}
.rr .page.toc-layout .toc strong{font-family:var(--hf);color:#0f3f40}
@media(min-width:900px){.rr .tags{grid-template-columns:repeat(3,1fr)}}@media(min-width:1100px){.rr .types{grid-template-columns:repeat(5,1fr)}}
@media(min-width:1800px){.rr .page:not(.toc-layout) .tags{grid-template-columns:repeat(6,1fr)}.rr.p-index .hero .wrap{padding-top:90px;padding-bottom:100px}}