:root{--color-brand:#fc1212;--color-brand-dark:#d80b0b;--color-brand-soft:#fff0f0;--color-ink:#17181b;--color-ink-soft:#43464d;--color-graphite:#1b1d21;--color-charcoal:#17181b;--color-muted:#6c7078;--color-subtle:#9ba0a8;--color-line:#e2e5e9;--color-line-strong:#cfd4da;--color-page:#f2f3f5;--color-surface:#fff;--color-surface-alt:#f8f9fa;--color-overlay:rgba(10,12,14,.68);--color-success:#1f9d4a;--color-success-soft:#effaf2;--color-warning:#c98100;--color-warning-soft:#fff7e5;--color-danger:#c83a2f;--color-danger-soft:#fff1ef;--shadow-card:0 6px 18px rgb(21 21 21/8%);--shadow-float:0 18px 48px rgba(15,18,22,.22);--radius-card:6px;--radius-control:6px;--radius-pill:999px;--container:1200px;--container-wide:1580px;--space-page-x:24px;--header-main-height:64px;--header-nav-height:48px;--header-sticky-height:112px;--control-height:38px;--z-header:30;--z-overlay:80;--z-modal:90;--font-size-xs:12px;--font-size-sm:13px;--font-size-md:14px;--font-size-lg:18px;--font-size-xl:24px;--font-size-2xl:34px;--font-size-hero:clamp(42px,5vw,78px)}@media(max-width:768px){:root{--space-page-x:16px;--header-main-height:auto;--control-height:44px}}@media(max-width:720px){:root{--header-sticky-height:118px}}._page_1a2ih_59{background:var(--color-surface);color:var(--color-ink)}._reading_1a2ih_64{margin:0 auto;overflow-wrap:anywhere;padding:max(24px,env(safe-area-inset-top)) max(24px,env(safe-area-inset-right)) max(64px,env(safe-area-inset-bottom)) max(24px,env(safe-area-inset-left));width:min(100%,968px)}._header_1a2ih_71 h1{font-size:28px;line-height:1.25;margin:0 0 12px}._header_1a2ih_71 p{font-size:16px;line-height:1.7;margin:8px 0}._header_1a2ih_71 ._version_1a2ih_83{color:var(--color-muted);font-size:14px;white-space:pre-wrap}._contents_1a2ih_89{border-block:1px solid var(--color-line);margin:28px 0;padding:16px 0}._contents_1a2ih_89 summary{cursor:pointer;font-weight:600}._contents_1a2ih_89 nav{display:grid;font-size:14px;gap:12px;margin-top:18px}._body_1a2ih_107{font-size:16px;line-height:1.8}._body_1a2ih_107 h2{font-size:22px;line-height:1.4;margin:32px 0 12px;scroll-margin-top:24px}._body_1a2ih_107 h3{font-size:18px;line-height:1.5;margin:24px 0 10px;scroll-margin-top:24px}._body_1a2ih_107 p{margin:0 0 16px}._body_1a2ih_107 ul{margin:0 0 16px;padding-left:24px}._body_1a2ih_107 li{margin-bottom:10px}._reading_1a2ih_64 a{color:var(--color-ink);text-decoration:underline;text-underline-offset:3px}._reading_1a2ih_64 a:hover{color:var(--color-brand)}._contents_1a2ih_89 summary:focus-visible,._reading_1a2ih_64 a:focus-visible{outline:2px solid var(--color-brand);outline-offset:3px}._related_1a2ih_155{border-top:1px solid var(--color-line);display:flex;flex-wrap:wrap;font-size:14px;gap:16px;justify-content:space-between;margin-top:36px;padding-top:20px}@media(max-width:720px){._reading_1a2ih_64{padding:max(20px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(40px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}._header_1a2ih_71 h1{font-size:24px}._body_1a2ih_107 h2{font-size:20px}}