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14px!important;list-style:none!important}.b2toc-panel>.b2toc-list{flex:1 1 auto;min-height:0}.b2toc-panel .b2toc-item,.b2toc-mobile-drawer .b2toc-item{margin:0!important;padding:0!important;list-style:none!important}.b2toc-panel .b2toc-link,.b2toc-mobile-drawer .b2toc-link{display:block;padding:5px 9px;border-radius:5px;color:#7b8492!important;font-size:13px!important;line-height:1.6!important;text-decoration:none!important;white-space:normal;overflow-wrap:anywhere;transition:background .15s ease,color .15s ease}.b2toc-panel .b2toc-sublist .b2toc-link,.b2toc-mobile-drawer .b2toc-sublist .b2toc-link{font-size:12px!important;color:#9299a4!important}.b2toc-panel .b2toc-link:hover,.b2toc-mobile-drawer .b2toc-link:hover{color:var(--b2toc-active-color,#06f)!important;background:#f7f9fc}.b2toc-panel .b2toc-item.is-active>.b2toc-link,.b2toc-mobile-drawer 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env(safe-area-inset-bottom,0px));overflow:hidden;border:0;border-radius:16px 16px 0 0;background:#fff;color:#697386;box-shadow:0 -16px 50px rgba(0,0,0,.25)}.b2toc-mobile-drawer[hidden],.b2toc-mobile-mask[hidden]{display:none!important}.b2toc-mobile-drawer .b2toc-mobile-head{box-sizing:border-box;display:flex;align-items:center;justify-content:space-between;gap:16px;flex:0 0 auto;min-height:36px;margin:0 0 12px;padding:0;color:#252b36;font-size:16px;line-height:1.5;font-weight:700}.b2toc-mobile-head>span{min-width:0;overflow-wrap:anywhere}.b2toc-mobile-drawer .b2toc-mobile-head>.b2toc-mobile-close{box-sizing:border-box!important;display:inline-flex!important;align-items:center!important;justify-content:center!important;flex:0 0 36px!important;width:36px!important;height:36px!important;min-width:36px!important;min-height:36px!important;max-width:36px!important;max-height:36px!important;padding:0!important;margin:0!important;border:0!important;border-radius:50%!important;background:#f1f4f8!important;color:#4d5968!important;line-height:1!important;font-size:18px!important;text-indent:0!important;text-align:center!important;position:static!important;transform:none!important;float:none!important;box-shadow:none!important;cursor:pointer;-webkit-appearance:none;appearance:none}.b2toc-mobile-close:before,.b2toc-mobile-close:after{content:none!important;display:none!important}.b2toc-mobile-drawer .b2toc-mobile-close>svg{box-sizing:border-box!important;display:block!important;flex:none!important;width:18px!important;height:18px!important;max-width:none!important;padding:0!important;margin:0!important;transform:none!important;pointer-events:none}.b2toc-mobile-drawer .b2toc-list{flex:1 1 auto;min-height:0;max-height:none;overscroll-behavior:contain}.b2toc-mobile-button:focus-visible,.b2toc-mobile-close:focus-visible{outline:2px solid var(--b2toc-active-color,#06f)!important;outline-offset:3px}body.b2toc-mobile-open{overflow:hidden!important}html.b2-theme-dark .b2toc-mobile-drawer{background:var(--b2-theme-card-bg,#171e1a);color:var(--b2-theme-text,#e8efe9)}html.b2-theme-dark .b2toc-title,html.b2-theme-dark .b2toc-mobile-head{color:var(--b2-theme-text,#e8efe9)}html.b2-theme-dark .b2toc-panel .b2toc-link,html.b2-theme-dark .b2toc-mobile-drawer .b2toc-link{color:var(--b2-theme-text-secondary,#b6c2ba)!important}html.b2-theme-dark .b2toc-panel .b2toc-item.is-active>.b2toc-link,html.b2-theme-dark .b2toc-mobile-drawer .b2toc-item.is-active>.b2toc-link{background:var(--b2-theme-accent-soft,rgba(0,102,255,.12));color:var(--b2toc-active-color,#6ba3ff)!important}@media(prefers-reduced-motion:reduce){#b2-article-toc-root,.b2toc-link{transition:none!important}}