.atb{--atb-card-r:16px;--atb-in-r:16px;--atb-pad:18px;--atb-bar-h:60px;--atb-top:calc(var(--header-top) + var(--header-h) + 8px);--atb-stick:calc(var(--atb-top) + var(--atb-bar-h) + 18px);--atb-fs:1.0625rem;--atb-text:color-mix(in oklab, var(--color-text-main) 86%, var(--color-canvas));--atb-hl:color-mix(in oklab, var(--color-primary) 17%, transparent);padding:var(--sec-pt) var(--gutter) var(--sec-pb);interpolate-size:allow-keywords;position:relative}.atb[hidden]{display:none}[data-theme=dark] .atb{--atb-hl:color-mix(in oklab, var(--color-primary) 30%, transparent)}@media (min-width:1100px){.atb{--atb-card-r:32px;--atb-in-r:24px;--atb-pad:28px;--atb-fs:1.09rem;--atb-stick:calc(var(--header-top) + var(--header-h) + 20px)}}.atb-inner{max-width:760px;margin-inline:auto;position:relative}@media (min-width:1100px){.atb-inner{max-width:var(--container);grid-template-columns:296px minmax(0,1fr);align-items:start;gap:0 clamp(108px,9vw,144px);display:grid}.atb-inner:has(>.atb-toc[hidden]){grid-template-columns:minmax(0,860px);justify-content:center}}.atb-col{min-width:0;position:relative}.atb-body{z-index:1;counter-reset:atb-ch;font-size:var(--atb-fs);color:var(--atb-text);overflow-wrap:break-word;line-height:1.95;position:relative}.atb-body ::selection{background:color-mix(in oklab, var(--color-primary) 24%, transparent);color:var(--color-text-main)}.atb-body p{text-wrap:pretty;max-width:31.5em;margin:0 0 18px}.atb-body>:last-child{margin-bottom:0}.atb-body .atb-brand{white-space:nowrap;unicode-bidi:isolate}.atb-body>p:first-child{max-width:30em;color:var(--color-text-main);margin-bottom:24px;font-size:clamp(1.18rem,1.02rem + .55vw,1.42rem);line-height:1.85}.atb-body>p:first-child:first-line{font-weight:500}.atb-body h2{--atb-h2:clamp(1.42rem, 1.12rem + 1.05vw, 1.92rem);counter-increment:atb-ch;padding-top:32px;border-top:1px solid var(--color-border);font-family:var(--font-display);font-weight:700;font-size:var(--atb-h2);color:var(--color-text-main);text-wrap:balance;scroll-margin-top:var(--atb-stick);margin:60px 0 18px;padding-inline-start:54px;line-height:1.4;position:relative}.atb-body h2:before{content:counter(atb-ch) / "";inset-inline-start:0;top:calc(32px + (var(--atb-h2) * 1.4 - 40px) / 2);border-radius:var(--r-btn);background:var(--color-surface-elevated);width:40px;height:40px;color:var(--color-primary-text);box-shadow:inset 0 0 0 1.5px color-mix(in oklab, var(--color-primary) 22%, transparent);font-family:var(--font-display);font-variant-numeric:tabular-nums;place-items:center;font-size:1.05rem;font-weight:700;line-height:1;display:grid;position:absolute}[data-theme=dark] .atb-body h2:before{color:var(--color-primary)}.atb-body h2:focus,.atb-body h3:focus{outline:none}.atb-body h2:focus-visible,.atb-body h3:focus-visible{outline:2px solid var(--color-border-focus);outline-offset:6px;border-radius:8px}@media (min-width:1100px){.atb-body h2{padding-top:40px;margin-top:80px;padding-inline-start:0}.atb-body h2:before{inset-inline-start:-68px;top:calc(40px + (var(--atb-h2) * 1.4 - 44px) / 2);width:44px;height:44px;font-size:1.12rem}}.atb-body h3{max-width:30em;font-family:var(--font-display);color:var(--color-text-main);text-wrap:balance;scroll-margin-top:var(--atb-stick);margin:40px 0 10px;font-size:clamp(1.15rem,1.05rem + .35vw,1.32rem);font-weight:700;line-height:1.5}.atb-body h2+h3{margin-top:24px}.atb-body a{color:var(--color-text-main);text-underline-offset:5px;text-decoration:underline;text-decoration-thickness:1.5px;-webkit-text-decoration-color:color-mix(in oklab, var(--color-primary) 60%, transparent);text-decoration-color:color-mix(in oklab, var(--color-primary) 60%, transparent);transition:text-decoration-color .25s var(--ease-out), color .25s var(--ease-out);font-weight:500}.atb-body a:hover{-webkit-text-decoration-color:var(--color-primary);text-decoration-color:var(--color-primary);color:var(--color-primary-text)}[data-theme=dark] .atb-body a:hover{color:var(--color-primary)}.atb-body a:focus-visible{outline:2px solid var(--color-border-focus);outline-offset:2px;border-radius:4px}.atb-body a[target=_blank]:after{content:"" / "";vertical-align:.02em;background:var(--color-buy);width:.74em;height:.74em;margin-inline-start:.2em;display:inline-block;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M7 17V7h10'/%3E%3Cpath d='M17 17 7 7'/%3E%3C/svg%3E") 50%/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M7 17V7h10'/%3E%3Cpath d='M17 17 7 7'/%3E%3C/svg%3E") 50%/contain no-repeat}[data-theme=dark] .atb-body a[target=_blank]:after{background:var(--color-primary)}.atb-body strong{color:var(--color-text-main);background:linear-gradient(transparent 58%, var(--atb-hl) 0);-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-inline:2px;font-weight:500}.atb-body code{background:var(--color-surface-hover);color:var(--color-text-main);box-shadow:inset 0 0 0 1px color-mix(in oklab, var(--color-text-main) 8%, transparent);font-family:"SFMono-Regular", Menlo, Consolas, var(--font-body);direction:ltr;unicode-bidi:isolate;border-radius:6px;padding:0 8px;font-size:.88em;line-height:1.75;display:inline-block}[data-theme=dark] .atb-body code{background:var(--color-surface-elevated)}.atb-body .content-table{margin:28px 0 32px}.atb-body table{border-collapse:separate;border-spacing:0;background:var(--color-surface-base);border-radius:var(--atb-card-r);width:100%;box-shadow:var(--shadow-card);color:var(--atb-text);font-variant-numeric:tabular-nums;margin:28px 0 32px;font-size:.95rem;line-height:1.8;overflow:hidden}.atb-body .content-table table{margin:0}[data-theme=dark] .atb-body table{box-shadow:inset 0 0 0 1px var(--color-border)}.atb-body th{text-align:start;vertical-align:bottom;background:var(--color-surface-hover);color:var(--color-text-main);font-family:var(--font-display);padding:16px 22px;font-size:.9rem;font-weight:600;line-height:1.5}[data-theme=dark] .atb-body th{background:var(--color-surface-elevated)}.atb-body td{vertical-align:top;border-top:1px solid var(--color-border);padding:18px 22px}.atb-body tbody tr:first-child td{border-top:0}.atb-body tbody td:first-child{background:color-mix(in oklab, var(--color-surface-hover) 38%, var(--color-surface-base));width:26%;font-family:var(--font-display);color:var(--color-text-main);font-size:1rem;font-weight:700;line-height:1.55}[data-theme=dark] .atb-body tbody td:first-child{background:color-mix(in oklab, var(--color-surface-elevated) 55%, var(--color-surface-base))}.atb-body td a{font-weight:500}@media (hover:hover) and (min-width:700px){.atb-body tbody tr{transition:background-color .25s var(--ease-out)}.atb-body tbody tr:hover td:not(:first-child){background:color-mix(in oklab, var(--color-surface-elevated) 55%, var(--color-surface-base))}}@media (min-width:1100px){.atb-body th{padding:18px 26px}.atb-body td{padding:20px 26px}}@media (max-width:699px){.atb-body table,.atb-body tbody,.atb-body tr,.atb-body td{width:auto;display:block}.atb-body table{box-shadow:none;background:0 0;border-radius:0;overflow:visible}[data-theme=dark] .atb-body table{box-shadow:none}.atb-body thead{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.atb-body tbody{gap:10px;display:grid}.atb-body tr{padding:16px var(--atb-pad) 14px;border-radius:var(--atb-card-r);background:var(--color-surface-base);box-shadow:var(--shadow-card)}[data-theme=dark] .atb-body tr{box-shadow:inset 0 0 0 1px var(--color-border)}.atb-body td{border-top:1px solid var(--color-border);margin-top:10px;padding:10px 0 0}.atb-body tbody tr:first-child td{border-top:1px solid var(--color-border)}.atb-body tbody tr td:first-child,[data-theme=dark] .atb-body tbody tr td:first-child{background:0 0;border:0;width:auto;margin:0;padding:0;font-size:1.05rem}.atb-body td[data-label]:not(:first-child):before{content:attr(data-label) / "";font-family:var(--font-display);color:var(--color-text-muted);margin-bottom:2px;font-size:.82rem;font-weight:600;line-height:1.5;display:block}}.atb-body ol{counter-reset:atb-step;padding:22px var(--atb-pad) 4px;background:var(--color-surface-base);border-radius:var(--atb-in-r);box-shadow:var(--shadow-card);margin:24px 0 30px;list-style:none}[data-theme=dark] .atb-body ol{box-shadow:inset 0 0 0 1px var(--color-border)}.atb-body ol>li{counter-increment:atb-step;max-width:calc(31.5em + 60px);min-height:36px;color:var(--color-text-main);text-wrap:pretty;padding:2px 0 20px;padding-inline-start:50px;line-height:1.85;position:relative}.atb-body ol>li:before{content:counter(atb-step) / "";inset-inline-start:0;background:var(--color-buy);width:34px;height:34px;color:var(--color-primary-contrast);font-family:var(--font-display);font-variant-numeric:tabular-nums;border-radius:50%;place-items:center;font-size:.95rem;font-weight:700;line-height:1;display:grid;position:absolute;top:0}.atb-body ol>li:not(:last-child):after{content:"";inset-inline-start:16.25px;background:color-mix(in oklab, var(--color-primary) 28%, transparent);border-radius:2px;width:1.5px;position:absolute;top:40px;bottom:6px}@media (min-width:1100px){.atb-body ol{padding:28px 32px 8px}.atb-body ol>li{padding-bottom:22px;min-height:40px;padding-inline-start:60px}.atb-body ol>li:before{width:38px;height:38px;font-size:1rem}.atb-body ol>li:not(:last-child):after{inset-inline-start:18.25px;top:46px}}.atb-body p:has(+ol){margin-bottom:0}.atb-body ul{max-width:31.5em;margin:0 0 18px;padding-inline-start:1.2em}.atb-qa{padding:4px var(--atb-pad);border-radius:var(--atb-card-r);background:var(--color-surface-base);box-shadow:var(--shadow-card);margin:32px 0 8px}[data-theme=dark] .atb-qa{box-shadow:inset 0 0 0 1px var(--color-border)}.atb-qa+*{margin-top:32px}.atb-qi{scroll-margin-top:var(--atb-stick);padding:20px 0 18px;padding-inline-start:44px;position:relative}.atb-qi+.atb-qi{border-top:1px solid var(--color-border)}.atb-qi:before{content:"" / "";inset-inline-start:0;background:var(--color-surface-elevated);width:30px;height:30px;box-shadow:inset 0 0 0 1.5px color-mix(in oklab, var(--color-primary) 22%, transparent);border-radius:8px;position:absolute;top:23px}.atb-qi:after{content:"" / "";inset-inline-start:7px;background:var(--color-buy);width:16px;height:16px;position:absolute;top:30px;scale:-1 1;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='6.5 4.5 11 14' fill='none' stroke='%23000' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3'/%3E%3Cpath d='M12 17h.01'/%3E%3C/svg%3E") 50%/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='6.5 4.5 11 14' fill='none' stroke='%23000' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3'/%3E%3Cpath d='M12 17h.01'/%3E%3C/svg%3E") 50%/contain no-repeat}[data-theme=dark] .atb-qi:after{background:var(--color-primary)}.atb-body .atb-qi h3{margin:0 0 6px;font-size:clamp(1.05rem,1rem + .25vw,1.16rem);line-height:1.55}.atb-qi>p{max-width:64ch;color:var(--color-text-muted);margin:0;font-size:1rem;line-height:1.85}.atb-qi>p+p,.atb-qi>ol,.atb-qi>ul{margin-top:10px}@media (min-width:1100px){.atb-qa{margin-top:40px;padding:8px 32px}.atb-qi{padding:26px 0 24px;padding-inline-start:52px}.atb-qi:before{border-radius:10px;width:34px;height:34px;top:29px}.atb-qi:after{inset-inline-start:8px;width:18px;height:18px;top:37px}}.atb-body details{border-radius:var(--atb-in-r);background:var(--color-surface-base);box-shadow:var(--shadow-card);transition:scale .3s var(--ease-out), box-shadow .3s var(--ease-out);margin-top:10px}.atb-body h2+details{margin-top:22px}.atb-body details+:not(details){margin-top:30px}[data-theme=dark] .atb-body details{box-shadow:inset 0 0 0 1px var(--color-border)}@media (hover:hover){.atb-body details:has(>summary:hover){scale:.98}}.atb-body details[open]{box-shadow:inset 0 0 0 1.5px color-mix(in oklab, var(--color-primary) 55%, transparent), var(--shadow-card)}@media (min-width:1100px){.atb-body details{margin-top:12px}}.atb-body summary{min-height:64px;padding:16px var(--atb-pad);border-radius:var(--atb-in-r);cursor:pointer;-webkit-tap-highlight-color:transparent;font-family:var(--font-display);color:var(--color-text-main);text-wrap:pretty;justify-content:space-between;align-items:center;gap:18px;font-size:1.02rem;font-weight:600;line-height:1.5;list-style:none;display:flex}.atb-body summary::-webkit-details-marker{display:none}.atb-body summary:focus-visible{outline:2px solid var(--color-border-focus);outline-offset:3px;border-radius:var(--atb-in-r)}@media (min-width:1100px){.atb-body summary{min-height:74px;padding-block:20px;font-size:1.1rem}}.atb-body summary:after{content:"" / "";border-radius:var(--r-btn);background:linear-gradient(currentColor, currentColor) center / 14px 2px no-repeat, linear-gradient(currentColor, currentColor) center / 2px 14px no-repeat, var(--color-surface-hover);width:36px;height:36px;transition:background-size .35s var(--ease-out), background-color .3s var(--ease-out), color .3s var(--ease-out);flex:none}[data-theme=dark] .atb-body summary:after{background-color:var(--color-surface-elevated)}.atb-body summary:hover:after{color:var(--color-primary-text)}[data-theme=dark] .atb-body summary:hover:after{color:var(--color-primary)}.atb-body details[open]>summary:after,[data-theme=dark] .atb-body details[open]>summary:after{background-size:14px 2px,2px 0,auto;background-color:var(--color-buy);color:var(--color-primary-contrast)}.atb-body details::details-content{block-size:0;transition:block-size .45s var(--ease-out), content-visibility .45s allow-discrete;overflow:clip}.atb-body details[open]::details-content{block-size:auto}.atb-body details>div,.atb-body .content-faq__a{padding:0 var(--atb-pad) calc(var(--atb-pad) - 2px)}.atb-body details p{max-width:64ch;color:var(--color-text-muted);margin:0;font-size:1rem;line-height:1.85}.atb-body details p+p{margin-top:12px}.atb-fin{align-items:center;gap:16px;margin-top:56px;display:flex}.atb-fin:before,.atb-fin:after{content:"";background:var(--color-border);flex:1;height:1px}.atb-fin>span{aspect-ratio:1;background:var(--color-primary);flex:none;width:30px;-webkit-mask:url(/design/shapes/tv-play.svg) 50%/contain no-repeat;mask:url(/design/shapes/tv-play.svg) 50%/contain no-repeat}@media (min-width:1100px){.atb-fin{margin-top:72px}.atb-fin>span{width:34px}}.atb-toc[hidden]{display:none}.atb-toc{top:var(--atb-top);z-index:30;margin-bottom:30px;position:sticky}.atb-toc-btn{width:100%;min-height:var(--atb-bar-h);border-radius:var(--atb-in-r);cursor:pointer;text-align:start;background:var(--color-surface-base);box-shadow:var(--shadow-card), 0 10px 24px -18px rgb(var(--ink) / .45);color:var(--color-text-main);-webkit-tap-highlight-color:transparent;border:0;align-items:center;gap:12px;margin:0;padding:8px 14px 8px 10px;padding-inline:10px 14px;display:flex;position:relative;overflow:hidden}[data-theme=dark] .atb-toc-btn{box-shadow:inset 0 0 0 1px var(--color-border), 0 12px 24px -16px #000c}.atb-toc-btn:focus-visible{outline:2px solid var(--color-border-focus);outline-offset:3px}.atb-toc-ico{border-radius:var(--r-btn);background:var(--color-surface-elevated);width:40px;height:40px;color:var(--color-primary-text);flex:none;place-items:center;display:grid}[data-theme=dark] .atb-toc-ico{color:var(--color-primary)}.atb-toc .atb-toc-ico .lucide{width:20px;height:20px}.atb-toc-ttl{flex:1;min-width:0;display:grid}.atb-toc-label{font-family:var(--font-display);color:var(--color-text-main);font-size:1rem;font-weight:700;line-height:1.45}.atb-toc-btn .atb-toc-label{-webkit-line-clamp:1;line-clamp:1;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.atb-toc-meta{color:var(--color-text-muted);font-variant-numeric:tabular-nums;font-size:.84rem;line-height:1.5}.atb-toc-chev{width:20px;height:20px;color:var(--color-text-muted);transition:rotate .35s var(--ease-out);flex:none}.atb-toc-btn[aria-expanded=true] .atb-toc-chev{rotate:180deg}.atb-toc-prog{inset-inline:16px;background:var(--color-buy);transform-origin:100%;height:3px;scale:var(--atb-prog,0) 1;transition:scale .4s var(--ease-out);border-radius:3px 3px 0 0;position:absolute;bottom:0}.atb-toc-prog:not(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi)){transform-origin:0}[data-theme=dark] .atb-toc-prog{background:var(--color-primary)}.atb-toc-head{display:none}@media (max-width:1099px){.atb-toc:before{content:"";z-index:-1;inset-inline:calc(-1 * var(--gutter));height:calc(var(--atb-bar-h) / 2 + 10px);background:var(--color-canvas);position:absolute;top:-10px}}@media (max-width:699px){.atb{padding-top:32px}}.atb-toc-panel{top:calc(100% + 8px);max-height:calc(100dvh - var(--atb-top) - var(--atb-bar-h) - 40px);overscroll-behavior:contain;border-radius:var(--atb-in-r);background:var(--color-surface-base);box-shadow:0 1px 1px rgb(var(--ink) / .08), 0 22px 40px -20px rgb(var(--ink) / .5);scrollbar-width:thin;scrollbar-color:var(--color-border) transparent;position:absolute;inset-inline:0;overflow:auto}[data-theme=dark] .atb-toc-panel{box-shadow:inset 0 0 0 1px var(--color-border), 0 22px 40px -18px #000c}.atb-toc-panel[hidden]{display:none}.atb-toc-list{margin:0;padding:10px 8px;list-style:none;position:relative}.atb-toc-list:before,.atb-toc-list:after{content:"";inset-inline-start:32px;border-radius:2px;width:2px;position:absolute;top:32px;bottom:32px}.atb-toc-list:before{background:var(--color-border)}.atb-toc-list:after{transform-origin:top;scale:1 var(--atb-fill,0);background:var(--color-buy);transition:scale .55s var(--ease-out)}.atb-toc-item{z-index:1;border-radius:var(--r-btn);cursor:pointer;text-align:start;width:100%;font-family:var(--font-display);color:var(--color-text-muted);transition:color .25s var(--ease-out), background-color .25s var(--ease-out);background:0 0;border:0;grid-template-columns:30px minmax(0,1fr);align-items:start;gap:12px;margin:0;padding:7px 10px;font-size:.93rem;font-weight:600;line-height:1.55;display:grid;position:relative}.atb-toc-item:hover{color:var(--color-text-main);background:color-mix(in oklab, var(--color-surface-hover) 55%, transparent)}.atb-toc-item:focus-visible{outline:2px solid var(--color-border-focus);outline-offset:1px;border-radius:var(--r-btn)}.atb-toc-n{background:var(--color-surface-hover);width:28px;height:28px;color:var(--color-text-main);font-variant-numeric:tabular-nums;transition:background-color .3s var(--ease-out), color .3s var(--ease-out);border-radius:8px;place-items:center;margin-top:1px;font-size:.84rem;font-weight:700;line-height:1;display:grid}[data-theme=dark] .atb-toc-n{background:var(--color-surface-elevated)}.atb-toc-t{text-wrap:pretty;padding-top:2px}.atb-toc-item[aria-current=true]{color:var(--color-text-main)}.atb-toc-item[aria-current=true] .atb-toc-n{background:var(--color-buy);color:var(--color-primary-contrast)}.atb-toc-item.is-read:not([aria-current=true]) .atb-toc-n{background:color-mix(in oklab, var(--color-primary-hover) 16%, var(--color-surface-base));color:var(--color-primary-text)}[data-theme=dark] .atb-toc-item.is-read:not([aria-current=true]) .atb-toc-n{background:color-mix(in oklab, var(--color-primary) 22%, var(--color-surface-base));color:var(--color-primary)}@media (min-width:1100px){.atb-toc{top:var(--atb-stick);max-height:calc(100vh - var(--atb-stick) - 20px);overscroll-behavior:contain;border-radius:var(--atb-in-r);background:var(--color-surface-base);box-shadow:var(--shadow-card);scrollbar-width:thin;scrollbar-color:var(--color-border) transparent;margin:0;overflow:auto}[data-theme=dark] .atb-toc{box-shadow:inset 0 0 0 1px var(--color-border)}.atb-toc-btn{display:none}.atb-toc-head{border-bottom:1px solid var(--color-border);align-items:center;gap:14px;padding:20px 22px 18px;display:flex}.atb-toc-head .atb-toc-label{font-size:1.05rem}.atb-toc-panel,.atb-toc-panel[hidden]{max-height:none;box-shadow:none;background:0 0;border-radius:0;display:block;position:static;overflow:visible}[data-theme=dark] .atb-toc-panel{box-shadow:none}.atb-toc-list{padding:12px 10px 14px}.atb-toc-list:before,.atb-toc-list:after{inset-inline-start:34px;top:34px;bottom:36px}.atb-toc-head{position:relative}.atb-toc-head .atb-toc-prog{inset-inline:0;border-radius:0;height:2px;bottom:-1px}}@media (prefers-reduced-motion:reduce){.atb *,.atb :before,.atb :after{transition:none!important}.atb-body details::details-content{transition:none!important}}.atb .lat{margin-inline-start:.24em}.atb-body .content-faq{border-bottom:0}.atb-body .content-faq summary{padding:16px var(--atb-pad)}@media (min-width:1100px){.atb-body .content-faq summary{padding-block:20px}}.atb-body ul{list-style:outside}@media (max-width:1099px){.atb-toc-panel:not(.is-open){display:none}}