:root{font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#172033;background:#f5f7fb;font-synthesis:none}
*{box-sizing:border-box}
body{margin:0;min-width:320px;background:radial-gradient(circle at 50% -20%,#dce9ff 0,#f5f7fb 38%,#f5f7fb 100%)}
.topbar{height:60px;padding:0 max(22px,calc((100vw - 860px)/2));display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.86);border-bottom:1px solid #e4e9f2}
.brand{display:flex;align-items:center;gap:10px;color:#172033;font-size:21px;font-weight:750;text-decoration:none}.brand-mark{width:32px;height:32px;display:grid;place-items:center;border-radius:10px;color:#fff;background:linear-gradient(145deg,#2674ff,#53a3ff)}
.topbar nav,.footer nav{display:flex;gap:18px}.topbar nav a,.footer a{color:#596579;font-size:13px;text-decoration:none}.topbar nav a:hover,.footer a:hover{color:#1769df;text-decoration:underline}
.document{width:min(860px,calc(100% - 32px));margin:42px auto 64px;padding:46px 52px;background:rgba(255,255,255,.92);border:1px solid #e4e9f2;border-radius:24px;box-shadow:0 18px 60px rgba(31,56,98,.07)}
.eyebrow{margin:0 0 8px;color:#2877ef;font-size:11px;font-weight:750;letter-spacing:.1em;text-transform:uppercase}.document h1{margin:0;font-size:38px;letter-spacing:-.035em}.lede{margin:14px 0 34px;color:#667085;font-size:17px;line-height:1.7}.document h2{margin:34px 0 9px;font-size:22px;letter-spacing:-.015em}.document h3{margin:24px 0 7px;font-size:16px}.document p,.document li{color:#4f5d72;font-size:15px;line-height:1.75}.document ul,.document ol{padding-left:22px}.document a{color:#1769df}.document code{padding:2px 5px;background:#eef2f7;border-radius:5px;font-size:.9em}
.callout{margin:28px 0;padding:18px 20px;background:#edf5ff;border-left:3px solid #2877ef;border-radius:0 12px 12px 0}.callout p{margin:0}.language-note{padding-top:30px;margin-top:38px;border-top:1px solid #e4e9f2}
.article-meta{margin:12px 0 30px;color:#7b8798;font-size:13px}.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:28px 0}.guide-card{display:block;padding:22px;border:1px solid #dfe6f1;border-radius:15px;background:#fbfcfe;color:inherit!important;text-decoration:none}.guide-card:hover{border-color:#82b2ff;background:#fff;box-shadow:0 9px 24px #2477e514}.guide-card h2{margin:0 0 8px;font-size:18px}.guide-card p{margin:0;font-size:14px}.summary-box{margin:24px 0;padding:20px 22px;border:1px solid #cfe1ff;border-radius:14px;background:#edf5ff}.summary-box h2{margin:0 0 8px;font-size:18px}.summary-box p,.summary-box ul{margin-top:8px;margin-bottom:0}.comparison{width:100%;margin:22px 0;border-collapse:collapse;font-size:14px}.comparison th,.comparison td{padding:11px 12px;border:1px solid #dfe6f1;text-align:left;vertical-align:top}.comparison th{background:#f5f7fb}.byline{padding-top:24px;margin-top:38px;border-top:1px solid #e4e9f2;color:#667085;font-size:13px}
.footer{width:min(860px,calc(100% - 32px));margin:0 auto;padding:24px 0 34px;display:flex;justify-content:space-between;gap:20px;color:#7b8798;font-size:12px;border-top:1px solid #e1e7f0}
@media(max-width:680px){.topbar{height:auto;min-height:56px;padding:10px 14px;gap:12px}.topbar nav{gap:11px;flex-wrap:wrap;justify-content:flex-end}.document{margin:22px auto 42px;padding:29px 22px;border-radius:19px}.document h1{font-size:30px}.lede{font-size:15px}.card-grid{grid-template-columns:1fr}.comparison{font-size:12px}.comparison th,.comparison td{padding:8px}.footer{flex-direction:column}.footer nav{flex-wrap:wrap}}