header,header.hdr{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:14px;padding:0 22px;height:62px;background:var(--paper);border-bottom:1px solid var(--line)}.logo{font-family:var(--serif);font-weight:700;font-size:21px;letter-spacing:-.3px;color:var(--ink);flex:none}.logo b{color:var(--accent)}.dnav{display:flex;align-items:stretch;gap:1px;flex:1;min-width:0;overflow:hidden;height:100%}.dnav-item{position:relative;display:inline-flex;align-items:stretch}.dnav-link{display:inline-flex;align-items:center;font-size:13.5px;font-weight:600;color:var(--sub);padding:0 14px;white-space:nowrap;border-bottom:3px solid transparent;transition:color .12s,border-color .12s}.dnav-item.open .dnav-link{color:var(--ink);border-bottom-color:var(--d)}@media(hover:hover){.dnav-item:hover .dnav-link,.dnav-item:focus-within .dnav-link{color:var(--ink);border-bottom-color:var(--d)}}.dnav-link.has-sub:after{content:"\25be";font-size:9px;margin-left:5px;color:var(--faint);display:inline-block;transition:transform .15s,color .12s}.dnav-item.open .dnav-link.has-sub:after{transform:rotate(180deg);color:var(--d)}@media(hover:hover){.dnav-item:hover .dnav-link.has-sub:after,.dnav-item:focus-within .dnav-link.has-sub:after{transform:rotate(180deg);color:var(--d)}}.mega{display:none;position:fixed;top:62px;left:0;z-index:55;background:var(--paper);border:1px solid var(--line);border-top:0;border-radius:0 0 12px 12px;box-shadow:0 16px 36px #00000024;max-height:min(68vh,520px);overflow-y:auto;overscroll-behavior:contain;opacity:0;transform:translateY(-6px);transition:opacity .16s ease,transform .16s ease,display .16s allow-discrete}.dnav-item.open .mega{display:block;opacity:1;transform:none}@starting-style{.dnav-item.open .mega{opacity:0;transform:translateY(-6px)}}@media(hover:hover){.dnav-item:hover .mega,.dnav-item:focus-within .mega{display:block;opacity:1;transform:none}@starting-style{.dnav-item:hover .mega,.dnav-item:focus-within .mega{opacity:0;transform:translateY(-6px)}}}.mega-grid{display:grid;grid-template-columns:repeat(var(--mega-cols, 4),190px);gap:2px 14px;padding:16px 18px}.mega-link{display:block;padding:7px 9px;border-radius:7px;color:var(--ink);font-size:13px;line-height:1.3;transition:background .1s,color .1s}.mega-link:hover{background:color-mix(in srgb,var(--accent) 9%,var(--paper));color:var(--accent)}.mega-all{font-weight:700;color:var(--d, var(--accent))}.hdr-r{display:flex;align-items:center;gap:11px;flex:none;margin-left:auto}.lang{position:relative;display:inline-flex;flex:none}.lang>summary{list-style:none;cursor:pointer}.lang>summary::-webkit-details-marker{display:none}.lang>summary::marker{display:none;content:""}.lang-btn{display:inline-flex;align-items:center;gap:5px;font-size:13px;color:var(--sub);border:1px solid var(--line);border-radius:7px;padding:5px 9px;background:var(--paper);white-space:nowrap;user-select:none}.lang-btn:hover{color:var(--ink)}.lang-btn .ic{width:15px;height:15px;flex:none}.lang-menu{position:absolute;top:calc(100% + 6px);right:0;z-index:60;min-width:140px;margin:0;padding:5px;list-style:none;background:var(--paper);border:1px solid var(--line);border-radius:9px;box-shadow:0 8px 24px #00000024;opacity:0;transform:translateY(-6px);transition:opacity .15s ease,transform .15s ease,display .15s allow-discrete}details[data-lang-switch][open] .lang-menu{opacity:1;transform:none}@starting-style{details[data-lang-switch][open] .lang-menu{opacity:0;transform:translateY(-6px)}}.lang-menu li{list-style:none}.lang-menu a{display:block;padding:7px 12px;border-radius:6px;font-size:13.5px;color:var(--ink);white-space:nowrap}.lang-menu a:hover{background:color-mix(in srgb,var(--accent) 9%,var(--paper));color:var(--accent)}.lang-menu li[aria-selected=true] a{color:var(--accent);font-weight:600;background:color-mix(in srgb,var(--accent) 11%,var(--paper))}.theme{width:30px;height:30px;border:1px solid var(--line);border-radius:7px;display:inline-flex;align-items:center;justify-content:center;color:var(--sub);background:transparent;cursor:pointer;transition:color .12s,border-color .12s,background .12s}.theme:hover{color:var(--accent);border-color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,var(--paper))}.theme .tic{width:17px;height:17px;display:inline-block}.theme .tic-moon,[data-theme=dark] .theme .tic-sun{display:none}[data-theme=dark] .theme .tic-moon{display:inline-block}.caret{font-size:9px;color:var(--faint)}.hsearch{display:flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:8px;padding:6px 10px;color:var(--faint);font-size:13px;background:var(--paper);width:170px;flex:none}.hsearch input{border:0;outline:0;font-size:13px;width:100%;min-width:0;background:transparent;color:var(--ink)}.hdr--searchshort .hsearch{width:110px}.hdr--searchicon .hsearch{width:auto;min-width:0;padding:6px 8px;gap:0}.hdr--searchicon .hsearch input{display:none}.hsearch button{border:0;background:transparent;padding:0;margin:0;display:inline-flex;align-items:center;justify-content:center;color:var(--accent);cursor:pointer;flex:none}.hsearch .ic{width:15px;height:15px;fill:currentColor}.hsearch[data-scroll-search]{opacity:0;transform:translateY(-6px);transition:opacity .18s ease,transform .18s ease}.hsearch[data-scroll-search][hidden]{display:none}.hsearch[data-scroll-search].in{opacity:1;transform:translateY(0)}.ham{width:32px;height:32px;border:1px solid var(--line);border-radius:8px;display:none;align-items:center;justify-content:center;color:var(--sub);font-size:16px;flex:none}.ico{width:32px;height:32px;border:1px solid var(--line);border-radius:8px;display:inline-flex;align-items:center;justify-content:center;color:var(--sub);font-size:14px}.m-backdrop{display:none;position:fixed;inset:0;z-index:190;background:#0006;opacity:0;transition:opacity .24s ease,display .24s allow-discrete}.m-backdrop:not([hidden]){display:block;opacity:1}@starting-style{.m-backdrop:not([hidden]){opacity:0}}.m-drawer{display:none;position:fixed;inset:0 auto 0 0;width:min(86vw,360px);z-index:200;overflow-y:auto;overscroll-behavior:contain;background:var(--paper);border-right:1px solid var(--line);box-shadow:4px 0 24px #0000002e;padding:0 12px calc(14px + env(safe-area-inset-bottom,0));transform:translate(-100%);transition:transform .24s ease,display .24s allow-discrete}.m-drawer:not([hidden]){display:block;transform:translate(0)}@starting-style{.m-drawer:not([hidden]){transform:translate(-100%)}}.m-drawer-head{display:flex;align-items:center;justify-content:space-between;gap:10px;position:sticky;top:0;z-index:2;margin:0 -12px 8px;padding:12px 16px 11px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 -24px 0 var(--paper)}.m-close{flex:none;width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--sub);font-size:22px;line-height:1;cursor:pointer}.m-close:hover{color:var(--accent);border-color:var(--accent)}.m-disc{border-bottom:1px solid var(--line)}.m-disc>summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;padding:11px 6px;font-size:15px;font-weight:600;color:var(--ink)}.m-disc>summary::-webkit-details-marker{display:none}.m-disc>summary::marker{content:""}.m-disc>summary:after{content:"\25b8";color:var(--faint);font-size:11px;transition:transform .12s}.m-disc[open]>summary:after{transform:rotate(90deg);color:var(--d, var(--accent))}.m-disc[open]>summary{position:sticky;top:var(--m-head-h, 52px);z-index:1;background:var(--paper);border-bottom:1px solid var(--line)}.m-subs{display:grid;grid-template-rows:0fr;transition:grid-template-rows .24s ease}.m-disc[open]>.m-subs{grid-template-rows:1fr}.m-subs-inner{overflow:hidden;min-height:0;display:flex;flex-direction:column;padding:2px 6px 10px}.m-subs a{display:block;padding:7px 10px;font-size:13.5px;color:var(--sub);border-radius:6px}.m-subs a:hover{background:color-mix(in srgb,var(--accent) 8%,var(--paper));color:var(--accent)}.m-subs .m-all{font-weight:700;color:var(--d, var(--accent))}.m-subs .m-code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;color:var(--faint)}@media(min-width:1101px){body:not(:has(.hdr--collapsed)) .m-drawer,body:not(:has(.hdr--collapsed)) .m-drawer:not([hidden]),body:not(:has(.hdr--collapsed)) .m-backdrop,body:not(:has(.hdr--collapsed)) .m-backdrop:not([hidden]){display:none}}.hdr--collapsed .dnav{display:none}.hdr--collapsed .ham{display:inline-flex}@media(max-width:1100px){.dnav{display:none}.ham{display:inline-flex}}@media(max-width:640px){header,header.hdr{height:52px;padding:0 14px;gap:10px}.logo{font-size:18px}.lang-btn{font-size:11px;padding:4px 7px;gap:3px}}