.toc-wrapper{display:none}@media (min-width:576px) and (max-width:1399px){.toc-wrapper{position:fixed;display:flex;right:12px;top:calc(var(--dboard-header-height) + 24px);z-index:100;width:auto;overflow:hidden}.toc-wrapper:hover .toc-card{display:flex!important}.toc-wrapper:hover .strip-indicators{display:none!important}}@media (min-width:1400px){.toc-wrapper{position:static;display:block;width:calc(270px + 24px)}}.strip-indicators{display:none}@media (min-width:576px) and (max-width:1399px){.strip-indicators{width:100%;max-height:350px;display:flex;flex-direction:column;align-items:flex-end;gap:16px;padding:8px 0;cursor:pointer;overflow-y:auto}}.strip-dot{height:2px;background:var(--border-color);border:none;border-radius:1px;transition:all .2s ease;padding:0;flex-shrink:0;cursor:pointer}.strip-dot.long{width:16px}.strip-dot.short{width:10px}.strip-dot.active{height:3px}.toc-card{display:none;flex:1 1;flex-direction:column;align-items:center;width:280px;max-height:calc(100dvh - var(--dboard-header-height) - 120px);padding:16px 0;background:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--card-radius);box-shadow:var(--elevation-shadow-2);overflow-y:auto}@media (min-width:1400px){.toc-card{display:flex;position:fixed;top:calc(var(--dboard-header-height) + 24px)}}.toc-panel{width:100%;max-height:100%;padding:0 16px;overflow-x:hidden;overflow-y:auto}.toc-panel::-webkit-scrollbar{display:none}.toc-panel:hover::-webkit-scrollbar{display:block}.toc-title{font-size:16px;font-weight:600;padding-top:4px;padding-bottom:12px;color:var(--txt-intense)}@media (min-width:768px){.toc-title{font-size:17px}}.toc-list{list-style:none;padding:0;margin:0}.toc-item{margin-bottom:4px}.toc-link{display:block;border-radius:8px;cursor:pointer;transition:all .18s ease;text-decoration:none;font-size:14px;font-weight:500;background:transparent;border:1px solid transparent}.toc-link,.toc-link.active{padding:8px 10px;color:var(--txt-primary)}.toc-link.active{background:#e5edff;font-weight:600;border:1px solid #a6d1ff}.toc-link .toc-icon{margin-right:8px;flex-shrink:0}@media (min-width:768px){.toc-link{font-size:15px}}.toc-link.sub{padding-left:22px;position:relative;font-size:13px}.toc-link.sub:before{content:"•";position:absolute;left:10px;font-size:12px;color:var(--txt-secondary)}.mobile-toc-wrapper{display:none}@media (max-width:575px){.mobile-toc-wrapper{display:block;margin:20px 0;border-radius:10px;background:var(--card-bg);border:1px solid var(--border-color);position:relative;z-index:5;overflow:hidden}}.mobile-toc-row{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;border-radius:10px;background:var(--card-bg);cursor:pointer}.mobile-toc-header{gap:6px;font-size:15px;font-weight:600;color:var(--txt-intense);flex-shrink:0}.mobile-toc-body{border-top:1px solid var(--border-color);padding:8px 10px}.mobile-toc-item{padding:10px;border-radius:8px;font-size:14px;margin-bottom:4px;color:var(--txt-primary);background:transparent;font-weight:500;transition:background .2s ease}.mobile-toc-header,.mobile-toc-item{display:flex;align-items:center;cursor:pointer}.mobile-toc-header{justify-content:space-between;padding:12px 16px}.mobile-toc-item.active,.mobile-toc-item:hover{background:rgba(37,99,235,.12)}.mobile-toc-item.active{font-weight:600;color:var(--txt-primary)}.mobile-toc-item:last-child{margin-bottom:0}.mobile-toc-item .toc-icon{margin-right:8px;flex-shrink:0}.mobile-lang-holder{flex-shrink:0}.mobile-lang-dropdown{position:relative}.mobile-lang-toggle{display:flex;align-items:center;gap:4px;padding:6px 10px;font-size:13px;background:transparent;border:1px solid var(--border-color);border-radius:var(--button-radius);cursor:pointer;transition:background .2s ease}.mobile-lang-toggle:hover{background:var(--hover-bg)}.mobile-lang-toggle .lang-code{text-transform:uppercase;font-weight:500}.mobile-lang-panel{position:absolute;top:calc(100% + 4px);right:0;min-width:100px;background:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--card-radius);box-shadow:0 4px 12px rgba(0,0,0,.15);z-index:1000;overflow:hidden}.mobile-lang-option{display:block;width:100%;padding:10px 14px;font-size:13px;text-align:left;background:transparent;color:var(--txt-primary);font-weight:400;border:none;cursor:pointer;transition:background .2s ease}.mobile-lang-option:hover{background:var(--hover-bg)}.mobile-lang-option.active{background:var(--active-bg);color:var(--txt-brand);font-weight:500}[data-theme=dark] .strip-dot{background:#334155}[data-theme=dark] .toc-card{box-shadow:0 4px 12px rgba(0,0,0,.3)}[data-theme=dark] .mobile-lang-panel{box-shadow:0 4px 12px rgba(0,0,0,.4)}