.toc-app-shell{min-height:100vh;background:var(--toc-bg);color:var(--toc-text);display:flex;flex-direction:column}.toc-app-shell__main{flex:1 1;width:100%;max-width:1280px;margin:0 auto;padding:0 16px 16px;box-sizing:border-box}.toc-top-bar{position:-webkit-sticky;position:sticky;top:0;z-index:20;background:var(--toc-bg)}.toc-top-bar__inner{display:flex;align-items:center;gap:8px;height:48px;max-width:1280px;margin:0 auto;padding:0 16px;box-sizing:border-box}.toc-top-bar__brand-link{display:inline-flex;align-items:center;gap:8px;flex-shrink:0}.toc-top-bar__logo{width:34px;height:34px;object-fit:contain;display:block}.toc-top-bar__brand{color:var(--toc-accent);font-weight:800;font-size:15px;white-space:nowrap}.toc-top-bar__tabs{display:none;align-items:center;gap:0;min-width:0;flex-shrink:0}.toc-top-bar__tab{color:var(--toc-text-muted);font-size:14px;font-weight:600;padding:6px 10px;white-space:nowrap}.toc-top-bar__tab--active{color:var(--toc-accent)}.toc-top-bar__search{display:none;flex:1 1;min-width:0;height:34px;padding:0 12px;align-items:center;border-radius:999px;border:1px solid var(--toc-border);background:var(--toc-bg-elevated);color:var(--toc-text-muted);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.toc-top-bar__search--responsive{display:flex}.toc-top-bar__recharge{display:none;flex-shrink:0;height:34px;padding:0 10px;align-items:center;justify-content:center;border-radius:999px;background:var(--toc-accent);color:var(--toc-accent-ink);font-size:12px;font-weight:600;white-space:nowrap}.toc-bottom-tab-bar{position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;height:var(--toc-tab-height);background:rgba(11,11,15,.96);border-top:1px solid var(--toc-border)}.toc-bottom-tab-bar__item{flex:1 1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--toc-text-muted);min-width:0}.toc-bottom-tab-bar__item--active{color:var(--toc-accent)}.toc-bottom-tab-bar__icon{font-size:18px;line-height:1}.toc-bottom-tab-bar__label{font-size:11px;line-height:1.2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%;padding:0 2px}@media (min-width:900px){.toc-top-bar__search,.toc-top-bar__tabs{display:flex}.toc-top-bar__recharge{display:inline-flex}.toc-bottom-tab-bar{display:none}.toc-app-shell__main{padding-bottom:24px}}@media (min-width:900px) and (max-width:1000px){.toc-top-bar__tab{font-size:12px;padding:6px}}.toc-immersive-shell{min-height:100vh;background:var(--toc-bg);color:var(--toc-text);display:flex;flex-direction:column}.toc-immersive-shell__desktop-top{display:none}.toc-immersive-shell__bar{display:flex;align-items:center;gap:16px;height:48px;padding:0 16px;border-bottom:1px solid var(--toc-border);background:#111111}.toc-immersive-shell__back{color:var(--toc-text);font-weight:700;font-size:14px}.toc-immersive-shell__brand{color:var(--toc-accent);font-weight:800;font-size:14px}.toc-immersive-shell__main{flex:1 1;width:100%;max-width:1280px;margin:0 auto;padding:0 16px 24px;box-sizing:border-box}@media (min-width:900px){.toc-immersive-shell__desktop-top{display:block}.toc-immersive-shell__bar--narrow{display:none}}