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.top{border-bottom:1px solid var(--line);padding:17px max(24px,calc((100vw - 1260px)/2));display:flex;align-items:center;justify-content:space-between;gap:18px;background:var(--white)}.brand{font-size:21px;font-weight:700;letter-spacing:-.5px;text-decoration:none}.brand small{display:block;font-size:12px;font-weight:400;color:var(--muted);letter-spacing:.3px}.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.actions a,.actions button{font:inherit;font-size:14px;min-height:44px;padding:8px 13px;border:1px solid var(--line);border-radius:5px;background:transparent;text-decoration:none;color:var(--ink);cursor:pointer}.actions a:hover,.actions button:hover{background:var(--soft)}
.layout{max-width:1260px;margin:auto;padding:42px 28px 80px;display:grid;grid-template-columns:242px minmax(0,1fr);gap:60px}.sidebar{position:sticky;top:24px;align-self:start;max-height:calc(100vh - 48px);overflow:auto;padding-right:12px;font-size:13px;line-height:1.5}.sidebar summary{font-weight:700;padding:10px 0;cursor:pointer}.sidebar ol{list-style:none;margin:8px 0 24px;padding:0}.sidebar li{margin:0 0 3px}.sidebar a{display:block;min-height:44px;padding:9px 7px;text-decoration:none;color:var(--muted);border-radius:4px}.sidebar a:hover{background:var(--soft);color:var(--ink)}.side-note{font-size:12px;color:var(--muted);padding:16px 7px;border-top:1px solid var(--line)}
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@media(max-width:390px){.sidebar ol{columns:1}.top{flex-wrap:wrap}.actions{justify-content:flex-start}}
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