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@media(max-width:680px){.container{padding:0 22px}.header-inner{padding:18px 22px}.brand{font-size:16px}.brand img{width:34px;height:34px}nav{width:100%;flex-wrap:wrap;gap:12px 20px}nav a{font-size:13px}.menu-toggle:not([hidden]){display:block;background:none;border:1px solid var(--line);padding:8px 12px;color:var(--ink);margin-left:auto}nav[data-open="false"]{display:none}.hero{grid-template-columns:1fr;padding:45px 0 35px;gap:22px}.hero h1{font-size:3.9rem}.hero-art img{max-width:240px}.hero-art figcaption{font-size:12px;margin-bottom:8px}.lead{font-size:19px}.hero .caption{font-size:11px}.intro-band{display:block;padding:28px}.intro-band>p{margin:20px 0;font-size:29px}.section-head{display:block;padding-top:38px}.section-head a{display:inline-block;margin-top:20px}.flow{grid-template-columns:1fr;gap:10px;margin-bottom:35px}.split{grid-template-columns:1fr;gap:25px;padding:30px 0}.section-head h2{font-size:34px}.site-footer>.container{grid-template-columns:1fr}.note{padding:20px;margin-bottom:30px}.page-heading{padding-top:42px}.estimator,.download-panel{grid-template-columns:1fr;padding:24px;gap:25px}.download-panel #release-status{padding:20px 0 0;border-left:0;border-top:1px solid #c4ccca}.guide{gap:18px}.guide h3{font-size:18px}.guide p{font-size:14px}.diagram{padding:8px}th,td{padding:13px}h1{font-size:3.1rem}}
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