:root{--p:#b8f52a;--ink:#152d28;--muted:#68736e;--line:#dce2db;--paper:#f6f7f2;--mw:1240px}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input,summary{touch-action:manipulation}button{cursor:pointer}img{max-width:100%;display:block}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #4e785b;outline-offset:4px}.wrap{width:min(100% - 64px,var(--mw));margin-inline:auto}.topbar{background:var(--ink);color:#e1e8da;font-size:10px;letter-spacing:1.1px}.topbar .wrap{display:flex;justify-content:space-between;padding-block:9px}.site-header{background:#fff}.masthead{display:flex;gap:30px;align-items:center;min-height:100px}.logo{font-size:31px;font-weight:900;letter-spacing:-1.5px;display:inline-flex;align-items:center;gap:10px;line-height:1.1}.brand-icon{display:grid;place-items:center;background:var(--p);width:38px;height:38px;border-radius:50%;font-size:29px}.brand-caption{font-size:12px;line-height:1.45;border-left:1px solid var(--line);padding-left:24px;color:var(--muted)}.brand-caption b{color:var(--ink)}.search{margin-left:auto;display:flex;background:#f4f6f1;border:1px solid #e0e5dc;border-radius:6px;overflow:hidden}.search input{min-width:0;width:235px;border:0;background:transparent;padding:10px 14px;font-size:12px}.search button{background:none;border:0;width:42px;font-size:26px;color:var(--ink)}.navline{border-top:1px solid #edf0e9;border-bottom:1px solid var(--line)}.navline 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p{font-size:12px;color:var(--muted);margin:0 0 13px;line-height:1.6}.sidebar{display:flex;flex-direction:column;gap:22px}.side-box{border:1px solid var(--line);border-radius:7px;padding:24px;background:#fff}.side-box h2{font-size:22px;line-height:1.2;letter-spacing:-.6px;margin:9px 0 17px}.test{display:flex;gap:13px;padding:16px 0;border-top:1px solid #edf0e9}.test-rank{font-size:23px;font-weight:bold;color:#9ba797}.test b{font-size:12px;line-height:1.4;display:block}.test div>span{font-size:11px;color:#628234;display:block;margin-top:6px}.text-link{font-size:11px;font-weight:bold;display:block;margin-top:15px}.green{background:#e7eddc}.green h2{font-size:32px}.green p{font-size:12px;color:#53654f}.button{display:inline-block;border:0;border-radius:5px;background:var(--p);color:#152d28;font-size:12px;font-weight:bold;padding:13px 19px}.button:hover{filter:brightness(.96)}.green .button{background:var(--ink);color:#fff;margin-top:10px}.training-banner{margin:45px 0 0;background:#163c31;border-radius:8px;padding:37px 42px;display:flex;align-items:center;justify-content:space-between;gap:20px;color:white}.training-banner .eyebrow{color:#c0df95}.training-banner h2{font-size:32px;line-height:1.15;letter-spacing:-.8px;margin:12px 0}.training-banner p{font-size:12px;color:#c2d2c7;margin:0}.site-footer{margin-top:60px;background:#fff;border-top:1px solid var(--line);padding-top:40px}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:35px}.site-footer .logo{font-size:26px}.site-footer p{font-size:12px;color:var(--muted)}.site-footer b{font-size:12px}.site-footer a:hover{text-decoration:underline}.footer-bottom{border-top:1px solid var(--line);display:flex;justify-content:space-between;padding-block:20px;margin-top:20px;font-size:10px;color:var(--muted)}.article{max-width:790px;margin:25px auto 40px}.article h1{font-size:clamp(34px,4.5vw,57px);line-height:1.06;letter-spacing:-2px;margin:16px 0 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#e0e5dc;border-radius:5px;padding:9px 12px 12px;overflow:hidden}.ad-label{font-size:9px;color:#727c72;letter-spacing:1.5px;text-transform:uppercase;display:block;margin-bottom:7px}.ad img{max-height:280px;object-fit:contain;margin:auto}.ad-sidebar{margin:0}.ad-sidebar img{max-height:none}.ad .adsbygoogle{min-height:100px}.ad-sidebar .adsbygoogle{min-height:250px}.sr-only,.skip:not(:focus){position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.skip:focus{position:fixed;top:10px;left:10px;z-index:99;background:white;padding:15px}
@media(min-width:1400px){.hero{grid-template-rows:240px 240px}}
@media(max-width:1000px){.navline nav{gap:20px;overflow-x:auto;white-space:nowrap}.brand-caption{display:none}.columns{grid-template-columns:minmax(0,1fr) 255px;gap:22px}.intro{align-items:start}.intro p{display:none}.hero{grid-template-rows:200px 200px}.feature-0 .feature-copy{padding:25px}.feature h2{font-size:21px}.feature-0 h2{font-size:34px}.side-box{padding:18px}}
@media(max-width:760px){.wrap{width:calc(100% - 32px)}.topbar .wrap>span:last-child{display:none}.masthead{min-height:80px;gap:14px;flex-wrap:wrap;padding-block:17px}.logo{font-size:26px}.search{order:3;width:100%;margin:0}.search input{flex:1;width:100%}.hamb{display:block;margin-left:auto;background:none;border:1px solid var(--line);border-radius:4px;padding:3px 10px;font-size:23px}.navline nav{display:none;white-space:normal;padding-block:12px;flex-wrap:wrap;gap:5px 24px}.navline nav.open{display:flex}.navline a{padding:8px 0}.intro{padding-block:25px 20px}.intro h1{font-size:30px}.hero{grid-template-columns:1fr 1fr;grid-template-rows:350px auto;gap:10px}.feature-0{grid-column:span 2;grid-row:auto}.feature-0 .feature-copy{padding:24px}.feature-copy{padding:17px}.feature:not(.feature-0){min-height:200px}.feature h2{font-size:19px}.feature-0 h2{font-size:36px}.feature-tag{font-size:8px}.topics{gap:8px}.topics b{width:100%}.topics a{font-size:10px;padding:6px 9px}.section-heading h2{font-size:24px}.columns{grid-template-columns:1fr}.sidebar{display:grid;grid-template-columns:1fr 1fr}.cards{gap:25px 17px}.story h3{font-size:18px}.training-banner{padding:27px;display:block}.training-banner h2{font-size:29px}.training-banner .button{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:20px}.footer-grid>div:first-child{grid-column:span 2}.related{grid-template-columns:1fr 1fr}.article h1{letter-spacing:-1px}.ad-top img,.ad-bottom img{max-height:150px}}
@media(max-width:440px){.hero{grid-template-columns:1fr;grid-template-rows:auto}.feature-0{grid-column:auto;min-height:350px}.feature:not(.feature-0){min-height:190px}.cards,.sidebar,.related{grid-template-columns:1fr}.story h3{font-size:22px}.story p{font-size:14px}.section-heading{align-items:start}.section-heading>.meta{white-space:nowrap}.footer-bottom span{display:none}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

.topbar{background:var(--dark,#152d28)}.feature,.side-box,.training-banner{border-radius:var(--radius,9px)}

body{font-family:var(--font,Arial,Helvetica,sans-serif)}
.section-heading h1{font-size:27px;line-height:1.2;letter-spacing:-.8px;margin:7px 0 0}@media(max-width:760px){.section-heading h1{font-size:24px}}
/* Outside rails use spare desktop space; the magazine width is never reduced. */
.site-stage{position:relative}.ad-rail{display:none;position:absolute;top:28px;bottom:0;width:160px}.ad-rail-left{left:calc(50% - var(--mw)/2 - 184px)}.ad-rail-right{right:calc(50% - var(--mw)/2 - 184px)}.ad-rail>.ad{position:sticky;top:20px;width:160px;padding:0;margin:0;border:0;background:transparent}.ad-rail .ad img{width:160px;max-height:none;height:auto}.ad-rail .ad-label{margin-bottom:8px}.ad-rail .adsbygoogle{width:160px;height:600px;min-height:600px}.article-body p{margin:0 0 1.15em}.article-body h2{font-size:30px;line-height:1.25;letter-spacing:-.5px;margin:1.4em 0 .6em}.article-body h3{font-size:25px;line-height:1.3;margin:1.3em 0 .6em}.article-body h4{font-size:21px;line-height:1.4;margin:1.2em 0 .6em}.article-body ul,.article-body ol{padding-left:1.6em;margin:0 0 1.2em}.article-body li{padding-left:.15em;margin:.35em 0}.article-body li>ul,.article-body li>ol{margin-bottom:.3em}.article-body blockquote{border-left:4px solid #84a957;padding:8px 20px;margin:1.3em 0;background:#eaf0e0;font-style:italic}.article-body a{color:#376333;text-decoration:underline;text-underline-offset:3px}.article-body .text-center{text-align:center}.article-body .text-right{text-align:right}.article-body .text-justify{text-align:justify}@media(max-height:680px){.ad-rail>.ad{position:static}}

/* Keep pasted spaces and explicit line breaks visible inside formatted blocks. */
.article-body p,.article-body li,.article-body blockquote,.article-body h2,.article-body h3,.article-body h4{white-space:pre-wrap}.article-body strong,.article-body b{font-weight:700}
.subcategory-filters{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 25px}.subcategory-filters a{padding:8px 14px;border:1px solid var(--line);background:#fff;border-radius:24px;font-size:13px}.subcategory-filters a:hover{background:#e7eddd}.subcategory-filters a[aria-current]{background:var(--ink);border-color:var(--ink);color:#fff}.subcategory-filters span{font-size:11px;opacity:.75;margin-left:5px}

.footer-grid{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:30px}.footer-column h2{font-size:13px;line-height:1.5;margin:0 0 15px;font-weight:700}.footer-column ul{list-style:none;margin:0;padding:0}.footer-column li{margin:9px 0;font-size:12px;overflow-wrap:anywhere}.footer-editor{font-size:11px;color:var(--muted)}.footer-brand{min-width:0}.footer-brand .logo{font-size:clamp(20px,2vw,26px);overflow-wrap:anywhere}.navline nav{flex-wrap:wrap;column-gap:25px;row-gap:0}@media(max-width:600px){.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}

.article-figure{margin:32px 0}.article-figure img{display:block;max-width:100%;height:auto;border-radius:12px;margin:auto}.article-figure figcaption{color:var(--muted);font-size:14px;line-height:1.6;text-align:center;margin:10px 0;white-space:pre-wrap;overflow-wrap:anywhere}.product-review{background:#f0f4ed;border:1px solid #dce5d7;border-radius:18px;padding:28px;margin:32px 0;overflow-wrap:anywhere}.product-review h2{font-size:28px;margin:8px 0 20px}.product-review h3{font-size:18px;margin:0 0 12px}.review-facts{display:flex;flex-wrap:wrap;gap:20px 50px;margin:20px 0}.review-facts dt{font-size:12px;text-transform:uppercase;color:var(--muted)}.review-facts dd{font-weight:700;margin:6px 0}.review-specs ul{padding-left:20px;line-height:1.7}.review-columns{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:24px 0}.review-columns>div{background:white;padding:20px;border-radius:12px;border-top:3px solid #719d40}.review-columns>.review-cons{border-color:#c3965b}.review-columns ul{margin:0;padding-left:18px;line-height:1.8}.review-score{display:grid;grid-template-columns:1fr auto;gap:8px;margin:20px 0}.review-score meter{width:100%;height:12px;grid-column:1/-1;accent-color:#43693b}.review-verdict{border-top:1px solid #ccd7c5;padding-top:20px;margin-top:24px}.review-verdict p{line-height:1.8;margin-bottom:0}@media(max-width:600px){.product-review{padding:20px}.review-columns{grid-template-columns:1fr}.product-review h2{font-size:24px}}

/* Runportal brand: original logo, blue navigation and orange accents. */
.site-header{background:#fff}.masthead{min-height:112px;gap:24px}.logo .portal-logo{display:block;width:330px;max-width:100%;height:auto;object-fit:contain}.masthead .logo{flex-shrink:0}.topbar{background:#10335b;color:#fff}.navline{background:#fff}.feature-tag,.button{background:#ff8a17;color:#102d50}.intro h1 span{color:#f58216}.side-box.green{background:#e7f1fc}.training-banner{background:#10335b;color:#fff}.site-footer{background:#10335b;color:#fff}.footer-brand .logo{background:#fff;border-radius:10px;display:inline-flex;padding:0 12px}.footer-brand .portal-logo{width:270px}.analytics-settings{display:block;margin:16px auto;color:#345b82}.analytics-consent{position:fixed;z-index:10000;left:20px;right:20px;bottom:20px;max-width:780px;margin:auto;background:#fff;color:#183a5d;border:1px solid #bdcee0;border-radius:16px;padding:24px;box-shadow:0 10px 60px #102d5040}.analytics-consent[hidden]{display:none}.analytics-consent h2{font-size:22px;margin:0 0 10px}.analytics-consent p{font-size:14px;line-height:1.65}.analytics-consent>div{display:flex;flex-wrap:wrap;gap:12px}.analytics-consent button{padding:12px 16px;border:1px solid #244d79;background:#edf4fc;color:#14365b;border-radius:7px;font:inherit;cursor:pointer}.analytics-consent a{text-decoration:underline}@media(max-width:760px){.masthead{min-height:90px;gap:10px}.logo .portal-logo{width:250px}.masthead .logo{max-width:calc(100% - 54px)}.analytics-consent{left:10px;right:10px;bottom:10px;padding:18px;max-height:80vh;overflow:auto}.footer-brand .portal-logo{width:240px}}
.navline a.active{border-bottom-color:var(--p)}.eyebrow{color:var(--ink)}.feature .eyebrow,.training-banner .eyebrow{color:#fff}

/* Clear return paths before and after long articles. */
.article-navigation{display:flex;align-items:center;gap:12px 20px;flex-wrap:wrap;margin:28px 0;padding:16px 0;border-bottom:1px solid #dce3eb}.article-navigation a{font-size:14px;font-weight:700;text-decoration:none}.article-navigation a:hover{text-decoration:underline}.article-navigation .article-back{display:inline-flex;align-items:center;min-height:44px;padding:10px 18px;background:#203e64;color:#fff;border-radius:8px}.article-navigation a:focus-visible{outline:3px solid #f29230;outline-offset:4px}.article-navigation span{margin-left:auto;font-size:13px;color:#566575}@media(max-width:600px){.article-navigation{gap:12px;margin:20px 0}.article-navigation .article-back{flex-basis:100%;justify-content:center}.article-navigation span{font-size:12px}}

/* Privacy choices and transparent image attribution. */
.ai-image-label{display:block;font-size:11px;line-height:1.5;color:#5c6669;margin:4px 0 12px;font-weight:400;letter-spacing:.02em}.ai-feature-label{position:absolute;bottom:4px;right:10px;z-index:2;color:#fff;background:#142638cc;padding:2px 6px;border-radius:3px;margin:0}.story>.ai-image-label{margin:4px 16px 0}.article-cover+.ai-image-label{margin-top:-12px}.privacy-dialog{position:fixed;inset:auto 20px 20px auto;width:min(640px,calc(100% - 40px));max-height:85vh;overflow:auto;border:1px solid #cdd7df;border-radius:18px;padding:26px;background:#fff;color:#152d28;box-shadow:0 20px 80px #0004;font:16px/1.5 Arial,sans-serif}.privacy-dialog::backdrop{background:#10243877}.privacy-dialog h2{margin-top:0;font-size:23px}.privacy-dialog fieldset{border:1px solid #d8e0e5;border-radius:10px;margin:16px 0;padding:14px}.privacy-dialog legend{font-weight:bold}.privacy-service+ .privacy-service{border-top:1px solid #dde3e8;margin-top:12px;padding-top:12px}.privacy-service p{font-size:14px;margin:6px 0}.privacy-dialog a{color:#174b85;text-decoration:underline}.privacy-actions{display:flex;gap:8px;flex-wrap:wrap}.privacy-actions button{flex:1;min-width:130px;background:#174b85;color:#fff;border:0;border-radius:7px;padding:12px;cursor:pointer;font:600 14px Arial,sans-serif}.privacy-dialog input{width:18px;height:18px}.privacy-dialog :focus-visible{outline:3px solid #f58a19;outline-offset:3px}@media(max-width:600px){.privacy-dialog{inset:auto 10px 10px;width:calc(100% - 20px);padding:18px}}

/* Responsive image dimensions and comfortable narrow-screen layout. */
.article-cover{height:auto}.story img{height:auto;aspect-ratio:1.7;object-fit:cover}.feature img{height:100%;width:100%;object-fit:cover}.logo picture{display:block;max-width:100%}.footer-brand .logo{max-width:100%}.article-body img{max-width:100%;height:auto}.article-body table{display:block;max-width:100%;overflow-x:auto}.article-body pre{max-width:100%;overflow-x:auto}.article-body,.story h3,.feature h2{overflow-wrap:anywhere}.search{min-width:0}.search input{min-width:0}@media(max-width:760px){.hamb,.navline a{min-height:44px}.navline a{display:flex;align-items:center}.search input{font-size:16px;min-height:44px}.site-header .logo{min-width:0}.article h1{font-size:clamp(29px,8vw,44px)}.article-body{font-size:17px;line-height:1.8}.article-body h2{font-size:26px}.article-body h3{font-size:22px}.footer-column{min-width:0}.footer-column a{display:inline-block;padding-block:6px}}@media(max-width:380px){.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.feature-0 h2{font-size:30px}.feature-0 .feature-copy{padding:20px}.privacy-actions{flex-direction:column}.section-heading{flex-wrap:wrap;gap:10px}}

/* Lightweight article sharing; no social network SDKs. */
.article-sharing{margin:36px 0 12px;padding:26px;border:1px solid #cfdee9;border-radius:18px;background:#f0f6fb;scroll-margin-top:24px}.article-sharing h2{font-size:1.65rem;color:#10335b;margin:10px 0}.article-sharing p{line-height:1.6}.share-actions{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}.share-actions a,.share-actions button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 15px;border:1px solid #b9ccdc;border-radius:10px;background:#fff;color:#10335b;font:inherit;font-size:.95rem;font-weight:700;text-decoration:none;cursor:pointer}.share-actions a:hover,.share-actions button:hover{background:#e2eef8;border-color:#174b85}.share-actions :focus-visible,.share-manual textarea:focus-visible{outline:3px solid #167db6;outline-offset:3px}.article-sharing [hidden]{display:none!important}.article-sharing small{display:block;color:#455b70;line-height:1.6}.share-status:empty{display:none}.share-status{font-weight:700;color:#10335b}.share-manual label{display:block;font-weight:700;margin-bottom:8px}.share-manual textarea{box-sizing:border-box;width:100%;font:inherit;font-size:16px;padding:12px;border:1px solid #9db5c9;border-radius:8px}.share-manual p{font-size:.9rem}@media(max-width:480px){.article-sharing{padding:18px}.share-actions a,.share-actions button{flex:1 1 125px;font-size:.88rem}}@media print{.article-sharing{display:none}}