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var(--line);background:var(--panel);border-radius:9px;min-width:196px;padding:5px;position:absolute;top:calc(100% + 6px);right:0;box-shadow:0 6px 24px #0002}.reading-mode-options button,.reading-mode-options a{width:100%;min-height:42px;font:inherit;text-align:left;color:var(--ink);white-space:nowrap;background:0 0;border:0;border-radius:5px;padding:9px 12px;display:block}.reading-mode-options button:hover,.reading-mode-options a:hover{background:var(--soft)}.reading-mode-options [aria-pressed=true]{color:var(--accent);background:var(--accent-soft)}.reading-mode-options [aria-pressed=true]:after{content:" ✓"}.reading-detail-content{overscroll-behavior:contain;flex:1;min-height:0;padding:28px 32px 64px;position:relative;overflow:auto}.reading-detail-content>h2{letter-spacing:-.5px;outline:none;margin:0 0 24px;font-size:28px;line-height:1.5}.detail-outline-label{color:var(--muted);gap:6px;font-size:13px;display:grid}.detail-outline-label select{width:100%;min-height:40px;color:var(--ink);background:var(--page);border:1px solid var(--line);font:inherit;border-radius:6px;padding:7px 10px}.reading-detail .article-body h2{margin-top:36px;font-size:24px}.reading-detail .article-body h3{margin-top:28px;font-size:20px}.reading-detail .article-body h2:first-of-type{padding-top:28px}.reading-open .page-toc{display:none}.reading-open{--reading-top:64px;overflow:hidden}.reading-open .layout-grid{inset:var(--reading-top) 0 0;grid-template-rows:minmax(0,1fr);grid-template-columns:256px minmax(0,1fr) minmax(0,1fr);min-height:0;margin:0;position:fixed}.reading-open .sidebar{width:256px;padding:20px 12px}.reading-open .main-content{overscroll-behavior:contain;min-height:0;padding:40px 32px;overflow:auto}.reading-open.nav-hidden .layout-grid{grid-template-columns:0 minmax(0,1fr) minmax(0,1fr)}.reading-open .main-content h1,.reading-open .main-content h2,.reading-open .main-content h3,.reading-detail h2,.reading-detail h3{scroll-margin-top:20px}.reading-backdrop{z-index:70;background:#0007;position:fixed;inset:0}.reading-float .layout-grid{z-index:70}.reading-float .main-content{grid-column:2/4}.reading-float .reading-detail{z-index:75;border:1px solid var(--line);border-radius:14px;width:min(880px,100vw - 64px);height:min(820px,100dvh - 64px);position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 16px 70px #0004}@media (width<=1279px){.nav-hidden .layout-grid{grid-template-columns:0 minmax(0,1fr)}.reading-open{--reading-top:110px}.reading-open .layout-grid,.reading-open.nav-hidden .layout-grid{grid-template-columns:0 minmax(0,1fr) minmax(0,1fr)}.reading-open .sidebar{z-index:50;transform:translate(-100%)}.reading-open.sidebar-open .layout-grid{z-index:40;pointer-events:none}.reading-open.sidebar-open .sidebar{pointer-events:auto;transform:none}.reading-open .doc-menu{justify-content:space-between;left:0}.reading-open .doc-menu .doc-menu-left{display:inline-flex}.reading-open .doc-menu .doc-menu-right{display:none}.reading-open .main-content,.reading-detail-content{padding:24px 20px 40px}}.reading-stacked .layout-grid,.reading-stacked.nav-hidden .layout-grid{grid-template-rows:minmax(0,1fr) minmax(0,1fr);grid-template-columns:minmax(0,1fr);display:grid}.reading-stacked .main-content{grid-area:1/1}.reading-stacked .reading-detail{border-left:0;border-top:1px solid var(--line);grid-area:2/1}@media (width<=959px){.desktop-nav-toggle{display:none}.reading-open .layout-grid{display:grid}.reading-detail-head{gap:8px;min-height:54px;padding:6px 10px}.reading-mode-menu summary{padding-inline:8px}.reading-open .article-intro{font-size:16px}.reading-open h1{font-size:28px}.reading-detail-content>h2{font-size:24px}.reading-open .main-content,.reading-detail-content{padding:20px 16px 32px}}@media (width<=600px){.download-grid{grid-template-columns:1fr;gap:24px}.article-body a.download-tile{min-height:180px;padding-block:24px}}