:root{--ink:#1e2825;--muted:#68716d;--paper:#f6f5ef;--white:#fff;--green:#1b493f;--lime:#c9e866;--line:#dfe2d8;--orange:#e87842;--serif:Georgia,'Times New Roman',serif;--sans:'DM Sans',Arial,sans-serif;--display:'Space Grotesk',sans-serif;--mono:'DM Mono',monospace}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.65}a{color:inherit}a:hover{color:#287663}button,input{font:inherit}.wrap{width:min(1160px,calc(100% - 48px));margin-inline:auto}.skip-link{position:absolute;left:-999px;top:auto}.skip-link:focus{left:16px;top:8px;z-index:20;background:white;padding:12px}.topline{background:var(--green);color:#d7e0d7;font:11px var(--mono);letter-spacing:.03em}.topline-inner{display:flex;justify-content:space-between;padding:8px 0}.topline a{text-decoration:none}.masthead{min-height:98px;display:flex;align-items:center;justify-content:space-between;gap:26px;border-bottom:1px solid 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nav{display:none;width:100%;padding-bottom:18px}.masthead nav.is-open{display:block}.masthead nav ul{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.hero-grid{grid-template-columns:1fr;gap:10px}.hero-art{height:235px;max-width:460px}.hero:after{right:-250px}.topic-grid{grid-template-columns:repeat(2,1fr)}.search-box{align-items:flex-start;flex-direction:column}.search-box form{min-width:0;width:100%}}@media(max-width:560px){.wrap{width:min(100% - 34px,1160px)}.topline-inner{font-size:9px}.hero{padding:49px 0}.hero h1{font-size:40px}.hero-art{height:195px;transform:scale(.84);transform-origin:left center;margin-bottom:-20px}.topic-grid{grid-template-columns:1fr 1fr;gap:8px}.topic-card{min-height:127px;padding:15px}.topic-card strong{font-size:18px}.topic-card span:last-child{font-size:10px}.section{padding:47px 0}.section-head{align-items:start;gap:12px}.section-head a{margin-top:9px;white-space:nowrap}.empty-panel{padding:23px;grid-template-columns:1fr}.empty-mark{display:none}.search-box{padding:24px}.footer-main{grid-template-columns:1fr 1fr;gap:30px 18px}.footer-about{grid-column:1/-1}.footer-bottom .wrap{gap:12px;flex-direction:column}.meta-list{grid-template-columns:1fr}.article-shell{padding-top:38px}}

.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.article-read-time{max-width:760px;margin:-15px 0 20px;color:var(--muted);font-size:13px}
.more-guides{font-size:13px;margin-top:18px!important;padding-top:12px;border-top:1px solid var(--line)}.more-guides a{font-weight:700;color:#246351}
.featured-article{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.95fr);gap:36px;align-items:center;background:#fff;border:1px solid var(--line);padding:22px}.featured-image{display:block;overflow:hidden;aspect-ratio:3/2;background:#e7e9e1}.featured-image img{width:100%;height:100%;display:block;object-fit:cover}.featured-article h3{font:600 clamp(24px,3vw,36px)/1.08 var(--display);letter-spacing:-.04em;margin:10px 0}.featured-article h3 a{text-decoration:none}.featured-article p{color:var(--muted);max-width:440px}.text-link{display:inline-block;color:#246351;font-weight:700;margin-top:8px}.article-figure{margin:28px 0}.article-figure img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;background:#e7e9e1}.article-figure figcaption{font-size:13px;color:var(--muted);padding-top:9px}.diagram-figure img{aspect-ratio:1200/520;object-fit:contain;background:#f6f5ef}.prose>figure:first-of-type{margin-top:0}.prose .contents{margin-block:28px}.article-result{display:grid;grid-template-columns:220px 1fr;gap:22px;align-items:center;background:transparent;border:1px solid var(--line);padding:18px;margin-top:24px}.article-result img{display:block;width:100%;aspect-ratio:3/2;object-fit:cover}.article-result h2{font-size:24px;margin:0 0 8px}.article-result p{margin:0 0 10px;color:var(--muted)}@media(max-width:700px){.featured-article{grid-template-columns:1fr;gap:20px;padding:14px}.article-result{grid-template-columns:1fr;gap:14px}.article-result img{max-height:250px}}
.cookie-consent-notice{position:fixed;z-index:1000;inset:auto 16px 16px;display:flex;justify-content:space-between;align-items:center;gap:22px;max-width:1050px;margin:auto;padding:20px 24px;background:#fff;border:1px solid var(--line);box-shadow:0 8px 36px #13251d33;color:var(--ink)}.cookie-consent-notice h2{font:600 20px var(--display);margin:0 0 4px}.cookie-consent-notice p{font-size:14px;line-height:1.5;margin:0 0 6px}.cookie-consent-notice a{font-size:13px;color:#246351}.cookie-consent-actions{display:flex;flex-wrap:wrap;gap:8px;flex-shrink:0}.cookie-consent-actions button{font:700 13px var(--sans);padding:10px 13px;border:1px solid var(--green);background:var(--green);color:#fff;cursor:pointer}.cookie-consent-actions button:first-child{background:#fff;color:var(--green)}.cookie-consent-actions button:focus-visible{outline:3px solid #a45a22;outline-offset:3px}@media(max-width:650px){.cookie-consent-notice{inset:auto 10px 10px;display:block;padding:17px}.cookie-consent-actions{margin-top:13px}.cookie-consent-actions button{flex:1}}@media print{.cookie-consent-notice{display:none!important}}
.hero-art img{display:block;width:100%;height:100%;object-fit:cover;object-position:64% center;border:1px solid #55776d;box-shadow:0 18px 40px #0b211b66}.hero-art .art-label{text-shadow:0 1px 5px #000;right:12px;bottom:10px}
.brand-header{width:min(100%,320px);flex:0 1 320px}.brand-banner{display:block;width:100%;height:auto}.brand-logo{display:block;width:43px;height:43px;flex:0 0 43px}.brand-light .brand-logo{background:var(--lime)}@media(max-width:850px){.brand-header{width:min(100%,360px);flex-basis:360px}}@media(max-width:560px){.brand-header{width:min(calc(100% - 76px),330px);flex-basis:min(calc(100% - 76px),330px)}}
.featured-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.featured-card{min-width:0;display:flex;flex-direction:column;border:1px solid var(--line);background:transparent;padding:16px}.featured-card-image{display:block;overflow:hidden;aspect-ratio:3/2;background:#e7e9e1}.featured-card-image img{display:block;width:100%;height:100%;object-fit:cover}.featured-card-content{display:flex;flex:1;flex-direction:column;align-items:flex-start;padding-top:18px}.featured-card h3{font:600 clamp(22px,2.4vw,30px)/1.12 var(--display);letter-spacing:-.04em;margin:10px 0}.featured-card h3 a{text-decoration:none}.featured-card p{color:var(--muted);margin:0 0 12px}.featured-card .text-link{margin-top:auto;padding-top:8px}@media(max-width:700px){.featured-grid{grid-template-columns:1fr;gap:14px}.featured-card{padding:14px}}

@media(min-width:701px) and (max-width:850px){.featured-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

.series-promo{padding:26px 30px;border:1px solid var(--line);background:#eceee6}.series-promo h2{margin:6px 0;font:600 clamp(24px,4vw,34px) var(--display);letter-spacing:-.04em}.series-promo p{margin:0;color:var(--muted)}.series-promo ul{display:flex;flex-wrap:wrap;gap:10px 22px;list-style:none;padding:14px 0 0;margin:0}.series-promo a{font-size:13px;font-weight:700;color:#246351}.series-promo a:hover{color:var(--green)}@media(max-width:560px){.series-promo{padding:20px}.series-promo ul{display:grid;grid-template-columns:1fr 1fr;gap:12px}}
.article-shell article .article-header,.article-shell article .prose{margin-inline:auto}.article-shell article>.article-header+figure{max-width:720px;margin:24px auto}.article-shell .comparison-hero{margin-left:auto;margin-right:auto}.article-shell article>.article-header+figure img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
@media(min-width:851px) and (max-width:1050px){.masthead{gap:12px}.brand-header{width:min(100%,260px);flex-basis:260px}.masthead nav ul{flex-wrap:wrap;justify-content:flex-end;gap:6px 12px}}

.article-result-text{grid-template-columns:1fr}
.featured-card-textonly .featured-card-content{padding-top:2px}

.article-header .article-reading-time{font:13px/1.5 var(--sans);color:var(--muted);margin:14px 0 0}
.category-intro{max-width:650px;margin:10px 0 0;color:var(--muted);font-size:15px}.category-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.category-card{display:flex;min-width:0;flex-direction:column;overflow:hidden;border:1px solid var(--line);background:transparent;padding:16px;text-decoration:none;color:var(--ink)}.category-card-image{display:block;overflow:hidden;aspect-ratio:3/2;background:#e7e9e1}.category-card-image img{display:block;width:100%;height:100%;object-fit:cover}.category-card-content{display:flex;flex:1;flex-direction:column;align-items:flex-start;padding:16px 0 0}.category-card-content strong{font:600 20px/1.2 var(--display);letter-spacing:-.035em}.category-card-content>span{margin-top:8px;color:var(--muted);font-size:13px;line-height:1.5}.category-card-content small{margin-top:auto;padding-top:12px;color:#758078;font:10px var(--mono)}.category-card:hover{border-color:#95ad9e;color:var(--ink)}.category-card:hover strong{text-decoration:underline;text-underline-offset:3px}@media(max-width:850px){.category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:700px){.category-card{padding:14px}}@media(max-width:420px){.category-grid{grid-template-columns:1fr}}


.article-header .article-byline,.project-head .article-byline,.article-head .article-byline{margin:0 0 14px;color:var(--muted);font:12px var(--mono);letter-spacing:.02em}