:root{color-scheme:light dark;--bg:#f5f7f6;--paper:#fff;--ink:#111a16;--text:#26332c;--muted:#667169;--line:#dce4df;--soft:#eaf7ef;--green:#128446;--green2:#0b6735;--nav:#0b1510;--red:#b83838;--shadow:0 14px 38px rgba(18,40,28,.09);--sans:'Source Sans 3',sans-serif;--display:'IBM Plex Sans',sans-serif;--serif:'Source Serif 4',serif}@media(prefers-color-scheme:dark){:root{--bg:#09110d;--paper:#101b15;--ink:#f1f6f3;--text:#d8e3dc;--muted:#9daba2;--line:#28382f;--soft:#142a1d;--green:#58db8c;--green2:#31b66b;--nav:#050c08;--red:#ff8e8e;--shadow:0 14px 38px rgba(0,0,0,.3)}}:root[data-theme=light]{--bg:#f5f7f6;--paper:#fff;--ink:#111a16;--text:#26332c;--muted:#667169;--line:#dce4df;--soft:#eaf7ef;--green:#128446;--green2:#0b6735;--nav:#0b1510;--red:#b83838;--shadow:0 14px 38px rgba(18,40,28,.09)}:root[data-theme=dark]{--bg:#09110d;--paper:#101b15;--ink:#f1f6f3;--text:#d8e3dc;--muted:#9daba2;--line:#28382f;--soft:#142a1d;--green:#58db8c;--green2:#31b66b;--nav:#050c08;--red:#ff8e8e;--shadow:0 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button[data-speed].active{background:var(--green);color:#fff}.note{margin:24px 0;padding:18px;background:var(--soft);border:1px solid var(--line)}.note h2,.section h2{margin:0 0 9px;color:var(--ink);font:700 1.55rem var(--display)}.note p{margin:0;color:var(--muted);font-size:.9rem}.section{padding:28px 0;border-top:1px solid var(--line)}.section h3{color:var(--ink);font:700 1.15rem var(--display)}.compare{width:100%;border-collapse:collapse;background:var(--paper);font-size:.84rem}.compare th,.compare td{text-align:left;padding:12px;border:1px solid var(--line);vertical-align:top}.compare th{color:var(--ink);font-family:var(--display)}.video-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.video{background:var(--paper);border:1px solid var(--line)}.video h3{padding:13px 14px;margin:0;font-size:.95rem}.frame{position:relative;aspect-ratio:16/9;background:#000}.frame iframe,.frame video{position:absolute;inset:0;width:100%;height:100%;border:0}.frame .video-fallback{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:7px;padding:20px;text-align:center;background:var(--paper);color:var(--ink)}.frame .video-fallback[hidden]{display:none}.frame .video-fallback strong{font:700 1rem/1.25 var(--display)}.frame .video-fallback p{margin:0;color:var(--muted);font-size:.82rem}.campaign-video-link{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:#000;color:#fff;text-decoration:none}.campaign-video-link img{width:100%;height:100%;object-fit:cover;opacity:.72;transition:opacity .2s,transform .3s}.campaign-video-link:after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 34%,rgba(0,0,0,.84))}.campaign-video-link span{position:absolute;z-index:1;inset:auto 14px 14px;display:flex;align-items:center;justify-content:center;min-height:44px;padding:9px 12px;background:var(--green);color:#fff;font:700 .78rem/1.25 var(--display);text-align:center}.campaign-video-link:hover img,.campaign-video-link:focus-visible img{opacity:.9;transform:scale(1.015)}.campaign-video-link:focus-visible{outline:3px solid var(--green);outline-offset:3px}.caption{padding:10px 14px;color:var(--muted);font-size:.75rem}.flaws{border-left:4px solid var(--red);padding:16px 18px;background:var(--paper)}.flaws h2{color:var(--red)}.also{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.also article{padding:15px;background:var(--paper);border:1px solid var(--line)}.also b{color:var(--ink)}.also p{margin:5px 0 0;color:var(--muted);font-size:.84rem}.faq details{border-top:1px solid var(--line);background:var(--paper);padding:0 16px}.faq summary{padding:15px 0;color:var(--ink);font-weight:700;cursor:pointer}.faq p{margin:0;padding:0 0 16px;color:var(--muted)}.comments{padding:20px;background:var(--paper);border:1px solid var(--line)}.comments a{display:inline-flex;min-height:44px;align-items:center;margin-top:8px;color:var(--green);font-weight:700}.source{font-size:.76rem;color:var(--muted)}footer{padding:40px 0;background:var(--nav);color:#fff}.foot{display:flex;justify-content:space-between;align-items:center;gap:25px}.foot img{width:170px}.footlinks{display:flex;gap:14px;flex-wrap:wrap}.foot a{color:#dce8e0;text-decoration:none;font-size:.82rem}
@media(max-width:980px){.layout{grid-template-columns:170px 1fr}.rail{position:static;grid-column:2}.video-grid{grid-template-columns:1fr}}
@media(max-width:720px){.shell{width:calc(100% - 28px)}.topin{min-height:68px}.brand img{width:64px;height:64px}.menu{display:grid}.nav{display:none;position:fixed;inset:68px 0 0;background:var(--nav);padding:20px;flex-direction:column}.nav.open{display:flex}.nav a{padding:14px}.headline h1{font-size:2.45rem}.layout{grid-template-columns:1fr}.toc,.rail{position:static}.content{grid-row:2}.toc{grid-row:1}.rail{grid-column:1;grid-row:3}.proscons,.also{grid-template-columns:1fr}.proscons div+div{border-left:0;border-top:1px solid #314539;padding-left:0}.audio{grid-template-columns:40px 1fr}.audio-controls{grid-column:2}.compare,.compare tbody,.compare tr,.compare th,.compare td{display:block;width:100%}.compare thead{display:none}.compare tr{margin-bottom:12px;border:1px solid var(--line);background:var(--paper)}.compare td{border:0;border-bottom:1px solid var(--line)}.compare td:last-child{border:0}.compare td:before{content:attr(data-label);display:block;color:var(--green);font-weight:700;font-size:.7rem;text-transform:uppercase}.foot{align-items:flex-start;flex-direction:column}.disclosure .shell{padding:8px 0;line-height:1.25}}
.byline>a{display:flex;gap:10px;align-items:center;color:inherit;text-decoration:none}.byline>a:hover b,.byline>a:focus-visible b{color:var(--green)}.byline>a:focus-visible{outline:3px solid var(--green);outline-offset:4px}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.youtube-consent{position:absolute;inset:0;display:grid;place-items:center;overflow:hidden;background:#07110b}.youtube-consent img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62}.youtube-consent:after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.1),rgba(0,0,0,.7))}.youtube-consent button{position:relative;z-index:1;max-width:calc(100% - 32px);min-height:46px;padding:10px 18px;border:1px solid rgba(255,255,255,.65);background:#101a14;color:#fff;font-weight:700;cursor:pointer}.youtube-consent button:hover,.youtube-consent button:focus-visible{background:var(--green2);outline:3px solid #fff;outline-offset:2px}.youtube-consent iframe{position:absolute;z-index:2;inset:0;width:100%;height:100%;border:0}


/* Contextual article cross-links reuse the established article-template pattern. */
.related-guides{margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}
.related-guides>h2{margin:0 0 16px;color:var(--ink);font:800 1.75rem/1.2 var(--display)}
.related-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.related-link{display:block;padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink);text-decoration:none}
.related-link:hover,.related-link:focus-visible{border-color:var(--green);transform:translateY(-3px);box-shadow:var(--shadow)}
.related-link span{display:block;margin-bottom:5px;color:var(--green);font-size:.69rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.related-link b{font:700 .92rem/1.28 var(--display)}
@media(max-width:720px){.related-links{grid-template-columns:1fr}.related-link:hover,.related-link:focus-visible{transform:none}}
@media(prefers-reduced-motion:reduce){.related-link{transition:none!important}}