@layer components{.nx-app{--help-disc:#111114;--help-mark:#ffffff;--help-logo-filter:brightness(0) invert(1);--help-panel-border:var(--color-border-menu)}.nx-app[data-theme=dark]{--help-disc:#e4e5e9;--help-mark:#111114;--help-logo-filter:brightness(0);--help-panel-border:rgba(255,255,255,0.32)}.nx-app .nxh-root{position:fixed;left:22px;bottom:22px;z-index:10000}.nx-app .nxh-launch{position:relative;display:grid;place-items:center;width:46px;height:46px;border:none;border-radius:50%;background:var(--help-disc);box-shadow:var(--shadow-menu);cursor:pointer;transition:transform var(--duration-fast) var(--ease-standard)}.nx-app .nxh-launch:hover{transform:translateY(-1px) scale(1.03)}.nx-app .nxh-launch-dot{position:absolute;top:1px;right:1px;width:12px;height:12px;border-radius:50%;background:var(--color-accent);border:2px solid var(--help-disc)}.nx-app .nxh-launch svg{width:22px;height:22px}.nx-app .nxh-chat-bubble{fill:var(--help-mark)}.nx-app .nxh-chat-smile{fill:none;stroke:var(--help-disc);stroke-width:1.7px;stroke-linecap:round}.nx-app .nxh-panel{position:absolute;left:0;bottom:64px;display:flex;flex-direction:column;width:352px;max-width:calc(100vw - 44px);max-height:calc(100vh / var(--app-zoom, 1) - 120px);border-radius:16px;border:1px solid var(--help-panel-border);background:var(--color-surface);box-shadow:var(--shadow-menu);overflow:hidden;transition:width var(--duration-fast) var(--ease-standard),height var(--duration-fast) var(--ease-standard)}.nx-app .nxh-panel.nxh-tall{width:396px;height:min(540px,calc(100vh / var(--app-zoom, 1) - 120px))}.nx-app .nxh-panel-top{position:relative;display:flex;flex-direction:column;flex:none;background:var(--help-disc)}.nx-app .nxh-logo-zone{position:relative;height:92px;display:grid;place-items:center}.nx-app .nxh-logo{width:74px;height:74px;filter:var(--help-logo-filter)}.nx-app .nxh-close{position:absolute;top:12px;right:12px;display:inline-flex;padding:2px;border:none;background:none;color:var(--help-mark);opacity:.85;cursor:pointer}.nx-app .nxh-close:hover{opacity:1}.nx-app .nxh-convo{position:relative;display:flex;justify-content:center;padding:0 14px 12px}.nx-app .nxh-convo-pill{display:inline-flex;align-items:center;gap:7px;max-width:100%;padding:4px 12px;font:inherit;font-size:11.5px;border:none;border-radius:999px;background:var(--color-accent);color:var(--color-accent-text);cursor:pointer}.nx-app .nxh-convo-pill b{font-family:var(--font-mono);font-size:11px;font-weight:700}.nx-app .nxh-convo-trunc{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:170px}.nx-app .nxh-convo-chev{font-size:10px;opacity:.85}.nx-app .nxh-convo-menu{position:absolute;top:calc(100% - 6px);left:50%;transform:translateX(-50%);z-index:6;width:max-content;max-width:min(300px,calc(100vw - 70px));display:flex;flex-direction:column;gap:2px;padding:4px;max-height:168px;overflow-y:auto;background:var(--color-surface);border:1.5px solid var(--color-accent);border-radius:16px;box-shadow:var(--shadow-menu);scrollbar-width:thin}.nx-app .nxh-convo-pick{width:100%;min-width:0;display:flex;align-items:center;gap:6px;padding:5px 11px;font:inherit;font-size:11.5px;color:var(--color-text);background:none;border:none;border-radius:999px;cursor:pointer;text-align:left}.nx-app .nxh-convo-pick.on,.nx-app .nxh-convo-pick:hover{background:var(--color-surface-hover)}.nx-app .nxh-convo-row{display:flex;align-items:center;gap:2px}.nx-app .nxh-convo-row .nxh-convo-pick{flex:1 1;min-width:0}.nx-app .nxh-convo-x{flex:none;display:grid;place-items:center;width:20px;height:20px;padding:0;border:none;background:none;border-radius:50%;color:var(--color-text-muted);cursor:pointer}.nx-app .nxh-convo-x:hover{color:var(--color-danger)}.nx-app .nxh-convo-x:hover svg path{stroke-width:3.2}.nx-app .nxh-convo-menu:has(.nxh-convo-confirm){width:min(320px,calc(100vw - 70px))}.nx-app .nxh-convo-confirm{padding:14px 14px 12px;display:flex;flex-direction:column;gap:11px}.nx-app .nxh-convo-confirm p{margin:0;font-size:14px;line-height:1.5;color:var(--color-text);text-align:center}.nx-app .nxh-convo-confirm p b{font-family:var(--font-mono);font-size:13px}.nx-app .nxh-convo-confirm-sub{color:var(--color-text-muted)!important;font-size:13px!important;display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap}.nx-app .nxh-convo-copy{display:inline-flex;align-items:center;gap:5px;font:inherit;font-family:var(--font-mono);font-size:12px;font-weight:700;color:var(--color-highlight);background:none;border:1px solid var(--color-border-strong);border-radius:999px;padding:4px 11px;cursor:pointer}.nx-app .nxh-convo-confirm .nxh-chip{font-size:13px;padding:7px 16px}.nx-app .nxh-convo-copy:hover{border-color:color-mix(in srgb,var(--color-highlight) 60%,var(--color-border-strong))}.nx-app .nxh-chip-remove,.nx-app .nxh-chip-remove:hover{color:var(--color-danger);border-color:var(--color-danger)}.nx-app .nxh-chip-remove:hover{background:var(--color-danger-bg)}.nx-app .nxh-convo-pick.nxh-convo-newchat,.nx-app .nxh-convo-pick.nxh-convo-newchat .nxh-convo-kind{color:var(--color-highlight);font-weight:600}.nx-app .nxh-convo-kind{flex:none;display:grid;place-items:center;color:var(--color-text-muted)}.nx-app .nxh-convo-pick b{flex:none;font-family:var(--font-mono);font-size:10.5px;color:var(--color-highlight)}.nx-app .nxh-convo-pick .nxh-convo-trunc{color:var(--color-text-muted);flex:1 1}.nx-app .nxh-convo-new{flex:none;width:8px;height:8px;border-radius:50%;background:var(--color-accent)}.nx-app .nxh-chips-center{justify-content:center;flex:none}.nx-app .nxh-tabs{display:flex;gap:6px;flex:none;padding:12px 14px 0}.nx-app .nxh-tab{position:relative;flex:1 1;padding:8px 4px;font:inherit;font-size:12.5px;font-weight:600;color:var(--color-text-muted);background:var(--color-surface-hover);border:1px solid var(--color-border);border-radius:9px;cursor:pointer;white-space:nowrap;transition:color var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard)}.nx-app .nxh-tab:hover{color:var(--color-text);border-color:var(--color-border-strong)}.nx-app .nxh-tab-docs{flex:0 0 auto;aspect-ratio:1/1;display:grid;place-items:center;padding:0;text-decoration:none}.nx-app .nxh-tab-docs svg{width:16px;height:16px}.nx-app .nxh-tab-dot{position:absolute;top:-6px;right:-4px;display:inline-flex;align-items:center;justify-content:center;min-width:17px;height:17px;padding:0 4px;border-radius:999px;font-size:10.5px;font-weight:700;background:var(--color-accent);color:var(--color-accent-text)}.nx-app .nxh-tab.on{color:var(--color-text);background:var(--color-surface);border-color:var(--color-highlight)}.nx-app .nxh-body{flex:1 1;display:flex;flex-direction:column;gap:10px;min-height:148px;padding:12px 14px 14px;overflow-y:auto}.nx-app .nxh-hint{margin:0;font-size:12.5px;line-height:1.5;color:var(--color-text-muted)}.nx-app .nxh-hint-center{margin:auto 0;text-align:center}.nx-app .nxh-inputrow{display:flex;gap:8px;flex:none}.nx-app .nxh-body:not(.is-chat){overflow:hidden}.nx-app .nxh-body:not(.is-chat) .nxh-report-echo,.nx-app .nxh-body:not(.is-chat) .nxh-results{overflow-y:auto;min-height:0;scrollbar-width:thin}.nx-app .nxh-input{flex:1 1;min-width:0;font:inherit;font-size:13px;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:10px;padding:10px 12px}.nx-app .nxh-input::placeholder{color:var(--color-text-muted)}.nx-app .nxh-input:focus-visible{outline:none;border-color:color-mix(in srgb,var(--color-highlight) 60%,var(--color-border-strong))}.nx-app .nxh-ta{resize:none;line-height:1.5}.nx-app .nxh-send{display:grid;place-items:center;width:40px;flex:none;border:none;border-radius:10px;background:var(--color-accent);color:var(--color-accent-text);cursor:pointer}.nx-app .nxh-send:disabled{opacity:.55;cursor:default}.nx-app .nxh-results{display:flex;flex-direction:column;gap:12px}.nx-app .nxh-res-group{display:flex;flex-direction:column;gap:8px}.nx-app .nxh-res-head{margin:0;font-size:10px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--color-text-muted)}.nx-app .nxh-res{display:flex;align-items:flex-start;gap:9px;padding:9px 11px;border:1px solid var(--color-border);border-radius:10px;text-decoration:none;background:var(--color-surface);transition:border-color var(--duration-fast) var(--ease-standard),background var(--duration-fast) var(--ease-standard)}.nx-app .nxh-res-ico{flex:none;display:grid;place-items:center;width:26px;height:26px;margin-top:1px;border-radius:7px}.nx-app .nxh-res-main{min-width:0}.nx-app .nxh-res-doc{border-left:3px solid var(--color-highlight);background:color-mix(in srgb,var(--color-highlight) 4%,var(--color-surface))}.nx-app .nxh-res-doc .nxh-res-ico{color:var(--color-highlight);background:color-mix(in srgb,var(--color-highlight) 12%,var(--color-surface))}.nx-app .nxh-res-app .nxh-res-ico{color:var(--color-text-inverse);background:var(--color-surface-inverse)}.nx-app .nxh-res.nxh-res-app i{color:var(--color-text-muted)}.nx-app .nxh-res.nxh-res-tax{border-left:3px solid var(--nxh-core);background:color-mix(in srgb,var(--nxh-core) 5%,var(--color-surface))}.nx-app .nxh-res.nxh-res-tax .nxh-res-ico{color:var(--sp-home-ink);background:var(--nxh-core)}.nx-app .nxh-res.nxh-res-tax i{color:color-mix(in srgb,var(--nxh-core) 78%,var(--color-text))}.nx-app .nxh-res:hover{border-color:color-mix(in srgb,var(--color-highlight) 55%,var(--color-border-strong));background:var(--color-surface-hover)}.nx-app .nxh-res i{display:block;font-style:normal;font-size:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--color-highlight)}.nx-app .nxh-res b{display:block;font-size:13px;color:var(--color-text);margin-top:1px}.nx-app .nxh-res span{display:block;font-size:11.5px;line-height:1.45;color:var(--color-text-muted);margin-top:1px}.nx-app .nxh-report-echo{display:flex;flex-direction:column;gap:10px}.nx-app .nxh-bubble{max-width:86%;font-size:13px;line-height:1.5;padding:9px 12px;border-radius:12px;white-space:pre-wrap;overflow-wrap:break-word}.nx-app .nxh-bubble-user{align-self:flex-end;background:var(--color-surface-inverse);color:var(--color-text-inverse);border-bottom-right-radius:4px}.nx-app .nxh-chips{display:flex;flex-wrap:wrap;gap:6px}.nx-app .nxh-chip{font:inherit;font-size:11.5px;font-weight:600;color:var(--color-text-muted);background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:999px;padding:5px 11px;cursor:pointer}.nx-app .nxh-chip:hover{color:var(--color-text);border-color:color-mix(in srgb,var(--color-highlight) 60%,var(--color-border-strong))}.nx-app .nxh-chip.on{color:var(--color-highlight);border-color:var(--color-highlight)}.nx-app .nxh-chip:disabled{opacity:.55;cursor:default}.nx-app .nxh-status{margin:0;font-size:12px;text-align:center;color:var(--color-text-muted)}.nx-app .nxh-again{align-self:center;font:inherit;font-size:12px;font-weight:600;color:var(--color-highlight);background:none;border:none;padding:2px 4px;cursor:pointer}.nx-app .nxh-body.is-chat{overflow:hidden}.nx-app .nxh-msg-wrap{display:flex;flex-direction:column;gap:6px}.nx-app .nxh-msg-wrap:has(.nxh-bubble-user){align-items:flex-end}.nx-app .nxh-msg-matches{display:flex;flex-direction:column;gap:6px;align-self:stretch}.nx-app .nxh-msgs{flex:1 1;display:flex;flex-direction:column;gap:8px;overflow-y:auto;padding-right:2px;scrollbar-width:thin}.nx-app .nxh-msg-wrap .nxh-bubble{align-self:flex-start}.nx-app .nxh-msg-wrap .nxh-bubble-user{align-self:flex-end}.nx-app .nxh-bubble-us{align-self:flex-start;background:var(--color-surface-hover);border:1px solid var(--color-border);color:var(--color-text);border-bottom-left-radius:4px}.nx-app .nxh-msg-link{display:block;margin-top:5px;font-size:12px;font-weight:600;color:var(--color-highlight);text-decoration:none}.nx-app .nxh-msg-link:hover{text-decoration:underline}.nx-app .nxh-typing{display:inline-flex;align-items:center;gap:4px;min-height:34px}.nx-app .nxh-typing i{width:6px;height:6px;border-radius:50%;background:var(--color-text-muted);animation:nxh-typing-bounce 1.2s ease-in-out infinite}.nx-app .nxh-typing i:nth-child(2){animation-delay:.18s}.nx-app .nxh-typing i:nth-child(3){animation-delay:.36s}@keyframes nxh-typing-bounce{0%,60%,to{transform:translateY(0);opacity:.55}30%{transform:translateY(-4px);opacity:1}}.nx-app .nxh-suggest{display:flex;justify-content:center;flex:none}.nx-app .nxh-ref{font-family:var(--font-mono);font-size:11px;color:var(--color-text-muted)}@media (max-width:760px){.nx-app .nxh-panel,.nx-app .nxh-panel.nxh-tall{width:calc(100vw - 44px)}}}@layer components{.nxd{display:grid;grid-template-columns:250px minmax(0,1fr);grid-gap:40px;gap:40px;max-width:1240px;margin-inline:auto;padding:28px clamp(16px,3vw,32px) 80px}.nxd-rail{position:-webkit-sticky;position:sticky;top:76px;align-self:start;max-height:calc(100vh / var(--app-zoom, 1) - 96px);overflow-y:auto;padding-right:6px;scrollbar-width:thin}.nxd-rail-search{width:100%;font:inherit;font-size:13px;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:7px 10px;margin-bottom:14px}.nxd-rail-search::placeholder{color:var(--color-text-muted)}.nxd-rail-search:focus-visible{outline:none;border-color:var(--color-border-hover)}.nxd-group{margin-bottom:16px}.nxd-group-label{font-size:10.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--color-text-muted);margin:0 0 6px;padding-left:10px}.nxd-rail nav{display:block}.nxd-rail nav a{display:block;font-size:13px;line-height:1.35;color:var(--color-text-muted);text-decoration:none;padding:5px 10px;border-left:2px solid var(--color-border);border-radius:0 var(--radius-sm) var(--radius-sm) 0}.nxd-rail nav a:hover{color:var(--color-text);background:var(--color-surface-hover)}.nxd-rail nav a.is-active{color:var(--color-highlight);border-left-color:var(--color-highlight);font-weight:600}.nxd-rail-empty{font-size:12.5px;color:var(--color-text-muted);padding:4px 10px}.nxd-main{min-width:0}.nxd-main>section{scroll-margin-top:86px;padding-top:8px;margin-bottom:52px}.nxd-main>section+section{border-top:1px solid var(--color-border);padding-top:36px}.nxd-kicker{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--color-highlight);margin:0 0 6px}.nxd h1{font-size:clamp(1.8rem,3vw,2.3rem);line-height:1.15;margin:0 0 10px}.nxd h1,.nxd h2{color:var(--color-text)}.nxd h2{font-size:1.45rem;line-height:1.25;margin:0 0 12px}.nxd h3{font-size:1.05rem;margin:22px 0 8px;color:var(--color-text)}.nxd li,.nxd p{font-size:14.5px;line-height:1.65;color:var(--color-text-soft,var(--color-text))}.nxd p{margin:0 0 12px}.nxd ol,.nxd ul{margin:0 0 12px;padding-left:22px}.nxd li{margin-bottom:5px}.nxd a{color:var(--color-highlight)}.nxd strong{color:var(--color-text)}.nxd code{font-family:var(--font-mono);font-size:.86em;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:1px 5px;white-space:nowrap}.nxd-h{position:relative}.nxd-h .nxd-hlink{text-decoration:none;opacity:0;margin-left:8px;font-weight:400}.nxd-h:hover .nxd-hlink{opacity:.8}.nxd-hero{margin-bottom:40px}.nxd-hero-sub{font-size:16px;color:var(--color-text-muted);max-width:62ch}.nxd-stats{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 0}.nxd-stat{display:flex;align-items:baseline;gap:7px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:9px 14px;text-decoration:none;transition:border-color .12s ease,background .12s ease}a.nxd-stat:hover{border-color:color-mix(in srgb,var(--color-highlight) 55%,var(--color-border-strong));background:var(--color-surface-hover)}.nxd-stat b{font-size:18px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--color-text)}.nxd-stat span{font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:var(--color-text-muted)}.nxd-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));grid-gap:12px;gap:12px;margin:20px 0 4px}.nxd-card{display:block;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:14px 16px;text-decoration:none;transition:border-color .12s ease,background .12s ease}.nxd-card:hover{border-color:color-mix(in srgb,var(--color-highlight) 55%,var(--color-border-strong));background:var(--color-surface-hover)}.nxd-card b{display:block;font-size:14px;color:var(--color-text);margin-bottom:3px}.nxd-card span{font-size:12.5px;line-height:1.45;color:var(--color-text-muted)}.nxd-note,.nxd-tip{border:1px solid var(--color-border);border-left-width:3px;border-radius:var(--radius-md);padding:11px 14px;margin:0 0 14px;font-size:13.5px;line-height:1.6;color:var(--color-text-soft,var(--color-text));background:var(--color-surface)}.nxd-note{border-left-color:var(--color-border-strong)}.nxd-tip{border-left-color:var(--color-highlight);background:color-mix(in srgb,var(--color-highlight) 5%,var(--color-surface))}.nxd-note b,.nxd-tip b{color:var(--color-text)}.nxd-tip .nxd-callout-tag{color:var(--color-highlight)}.nxd-callout-tag{display:block;font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-bottom:3px;color:var(--color-text-muted)}.nxd-steps{list-style:none;counter-reset:nxdstep;margin:0 0 14px;padding:0}.nxd-steps>li{counter-increment:nxdstep;position:relative;padding:0 0 18px 44px;margin:0}.nxd-steps>li:before{content:counter(nxdstep);position:absolute;left:0;top:0;width:26px;height:26px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:var(--color-accent-text);background:var(--color-accent);border-radius:var(--radius-full)}.nxd-steps>li:not(:last-child):after{content:"";position:absolute;left:12.5px;top:30px;bottom:2px;width:1px;background:var(--color-border)}.nxd-steps b{color:var(--color-text)}.nxd-fig{margin:18px 0 20px}.nxd-fig+.nxd-fig{margin-top:34px}.nxd-fig img{display:block;width:100%;height:auto;border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:0 8px 28px -18px rgb(0 0 0/.45)}.nxd-fig figcaption{font-size:12.5px;color:var(--color-text-muted);margin-top:8px}.nxd-fig-todo .nxd-fig-frame{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;min-height:180px;border:1px dashed var(--color-border-strong);border-radius:var(--radius-lg);background:var(--color-surface);color:var(--color-text-muted);font-size:13px;text-align:center;padding:20px}.nxd-fig-todo svg{width:26px;height:26px;stroke:var(--color-text-muted)}.nxd-tablewrap{overflow-x:auto;margin:14px 0 18px;border:1px solid var(--color-border);border-radius:var(--radius-lg)}.nxd-table{width:100%;border-collapse:collapse;font-size:13.5px}.nxd-table th{text-align:left;font-size:11px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--color-text-muted);background:var(--color-surface);white-space:nowrap}.nxd-table td,.nxd-table th{padding:9px 14px;border-bottom:1px solid var(--color-border)}.nxd-table td{vertical-align:top;line-height:1.55;color:var(--color-text-soft,var(--color-text))}.nxd-table tr:last-child td{border-bottom:none}.nxd-table td:first-child{font-weight:600;color:var(--color-text);white-space:nowrap}.nxd-table .nxd-td-wrap{white-space:normal}.nxd-table code{white-space:nowrap}.nxd-onto{display:flex;align-items:stretch;gap:8px;flex-wrap:wrap;margin:16px 0 18px}.nxd-onto-box{flex:1 1 130px;min-width:130px;border:1px solid var(--color-border-strong);border-radius:var(--radius-md);background:var(--color-surface);padding:10px 12px;position:relative}a.nxd-onto-box{display:block;text-decoration:none;color:inherit;transition:border-color .12s ease,background .12s ease}a.nxd-onto-box:hover{border-color:color-mix(in srgb,var(--color-highlight) 55%,var(--color-border-strong));background:var(--color-surface-hover)}.nxd-onto-box b{display:block;font-size:13.5px;color:var(--color-text)}.nxd-onto-box i{display:block;font-style:normal;font-size:11.5px;color:var(--color-text-muted);margin-top:2px}.nxd-onto-box .nxd-onto-n{position:absolute;top:10px;right:12px;font-size:12px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-weight:700;color:var(--color-highlight)}.nxd-onto-sep{align-self:center;color:var(--color-text-muted);font-size:15px}.nxd-corekeys{display:flex;gap:14px;flex-wrap:wrap;margin:0 0 14px}.nxd-corekey{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--color-text-soft,var(--color-text))}.nxd-corekey i{width:10px;height:10px;border-radius:3px;display:inline-block}.nxd-corekey.data i{background:var(--map-core-data)}.nxd-corekey.intelligence i{background:var(--map-core-intelligence)}.nxd-corekey.activation i{background:var(--map-core-activation)}.nxd-faq{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);margin-bottom:10px;overflow:hidden}.nxd-faq summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 15px;font-size:14px;font-weight:600;color:var(--color-text)}.nxd-faq summary::-webkit-details-marker{display:none}.nxd-faq summary:after{content:"+";font-size:17px;color:var(--color-text-muted);flex:none}.nxd-faq[open] summary:after{content:"-"}.nxd-faq summary:hover{background:var(--color-surface-hover)}.nxd-faq-body{padding:0 15px 13px}.nxd-faq-body p:last-child{margin-bottom:0}.nxd-stuck{margin-top:8px;padding:24px 26px;border:1px solid color-mix(in srgb,var(--color-highlight) 45%,var(--color-border));border-radius:14px;background:color-mix(in srgb,var(--color-highlight) 7%,var(--color-surface))}.nxd-stuck h3{margin:0 0 10px;font-size:21px}.nxd-stuck p{margin:0;font-size:16.5px;line-height:1.6}.nxd-fig.nxd-fig-help img{display:block;width:100%;max-width:520px;margin:0}.nxd-fig.nxd-fig-help figcaption{text-align:left}.nxd-backtop{display:inline-block;margin-top:22px;padding:10px 18px;font-size:15px;font-weight:600;color:var(--color-text);border:1px solid var(--color-border);border-radius:10px;text-decoration:none}.nxd-backtop:hover{color:var(--color-highlight);border-color:var(--color-highlight)}@media (max-width:900px){.nxd{grid-template-columns:1fr;gap:20px}.nxd-rail{position:static;max-height:none;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);padding:12px}.nxd-rail nav{column-width:190px;column-gap:18px}.nxd-group{page-break-inside:avoid;break-inside:avoid}}}@layer components{.nxd-helplink{background:none;border:none;padding:0;font:inherit;font-weight:700;color:var(--color-highlight);cursor:pointer}.nxd-helplink:hover{text-decoration:underline}.nxd-prompts{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 16px}.nxd-prompt,.nxd-prompt-inline{font-family:var(--font-mono);font-size:12.5px;color:var(--color-text-soft);background:var(--color-surface-hover);border:1px solid var(--color-border);border-radius:8px;padding:7px 11px;white-space:nowrap}.nxd-prompt-inline{padding:1px 6px;border-radius:5px;white-space:normal}}@layer components{}@layer utilities{.u-mt-2{margin-top:var(--space-2)}.u-mt-3{margin-top:var(--space-3)}.u-mt-3-5{margin-top:var(--space-3-5)}.u-mt-4{margin-top:var(--space-4)}.u-mt-6{margin-top:var(--space-6)}.u-mt-auto{margin-top:auto}.u-text-center{text-align:center}.u-visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}}