.avatar-btn{flex:none}.avatar-btn,.mainnav .mm-trigger{white-space:nowrap}@media (max-width:1280px){.avatar-btn .avn{display:none}.avatar-btn{padding:4px}}@media (max-width:1200px){.mainnav>ul{gap:0;margin-left:6px}.mainnav .mm-trigger{padding-left:9px;padding-right:9px}}.dash>*,.hero>*,.qpage>*,.reader>*,.wrap>*{min-width:0}.hero *,.lead,.prose li,.prose p,.qh,.qt,h1,h2,h3{overflow-wrap:anywhere}@media (max-width:900px){.hero{grid-template-columns:minmax(0,1fr);gap:28px;padding-top:12px}.hero h1{font-size:clamp(2rem,9vw,2.6rem)}.proof{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:16px;gap:16px}.bigsearch .btn{padding:10px 14px}.top .row{gap:10px;min-height:58px}.top .searchbtn{display:none}.top .btn.sm{white-space:nowrap;padding:7px 14px}.menu summary{padding:7px 12px}.pbar{margin-top:-24px}.pbar,.stabs-wrap{margin-bottom:14px}.stabs-wrap{position:static;padding:4px 0}}@media (max-width:520px){h1{font-size:clamp(1.7rem,8vw,2.2rem)}.brand .dv{font-size:1.45rem}.top .btn.sm{font-size:.85rem;padding:6px 12px}}.bnav{display:none}@media (max-width:900px){.bnav{position:fixed;left:0;right:0;bottom:0;z-index:40;display:grid;grid-template-columns:repeat(5,1fr);padding:6px 6px calc(6px + env(safe-area-inset-bottom));background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-top:1px solid var(--line);box-shadow:0 -8px 24px -16px rgba(0,0,0,.35)}.bnav a{display:grid;justify-items:center;grid-gap:2px;gap:2px;padding:4px 0;color:var(--ink-3);text-decoration:none;font:600 .7rem/1.2 var(--sans);border-radius:12px}.bnav a.on{color:var(--blue)}.bnav a .ic{display:grid;place-items:center;width:44px;height:30px;border-radius:999px;transition:background .15s}.bnav a.on .ic{background:var(--blue-soft)}.bnav a.main{color:var(--ink-2)}.bnav a.main .ic{width:48px;height:48px;margin-top:-22px;border-radius:50%;background:var(--blue);color:var(--on-blue);box-shadow:0 8px 20px -6px color-mix(in srgb,var(--blue) 70%,transparent);border:3px solid var(--paper)}body{padding-bottom:calc(72px + env(safe-area-inset-bottom))}}@media print{.bnav{display:none!important}}.dash{max-width:1080px;margin:0 auto;padding-top:8px}.dash-hero{flex-wrap:wrap;justify-content:space-between;gap:18px;padding:24px 26px;margin:8px 0 18px;border-radius:20px;border:1px solid var(--line);background:radial-gradient(120% 140% at 0 0,color-mix(in srgb,var(--blue) 16%,var(--surface)) 0,var(--surface) 55%)}.dash-hero,.dash-hi{display:flex;align-items:center}.dash-hi{gap:16px;min-width:0}.dash-av{flex:none;width:60px;height:60px;border-radius:18px;display:grid;place-items:center;background:var(--blue);color:var(--on-blue);font:800 1.35rem var(--display)}.dash-greet{margin:0;color:var(--ink-2);font-size:.95rem}.dash-hero h1{margin:0;font-size:clamp(1.7rem,4vw,2.3rem);line-height:1.1}.dash-prog{display:inline-block;margin-top:4px;font-size:.9rem;font-weight:600;text-decoration:none}.dash-streak{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:16px;background:var(--surface);border:1px solid var(--line)}.dash-streak b{display:block;font:800 1.35rem/1.1 var(--display)}.dash-streak span{color:var(--ink-3);font-size:.8rem}.dash-flame{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:var(--sunk);color:var(--ink-3)}.dash-flame.on{background:#fff1e6;color:#e8590c}@media (prefers-color-scheme:dark){.dash-flame.on{background:#3a2210;color:#ff922b}}.dash-actions{display:grid;grid-template-columns:1.4fr repeat(4,1fr);grid-gap:12px;gap:12px;margin-bottom:14px}.dash-act{display:flex;gap:12px;align-items:flex-start;padding:16px;border-radius:16px;background:var(--surface);border:1px solid var(--line);color:var(--ink);text-decoration:none;min-width:0;transition:border-color .15s,transform .15s,box-shadow .15s}.dash-act:hover{border-color:var(--blue);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow)}.dash-act>svg{flex:none;margin-top:2px;color:var(--blue)}.dash-act span{display:grid;grid-gap:2px;gap:2px;min-width:0}.dash-act small{font:700 .7rem var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}.dash-act strong{font:700 1rem/1.3 var(--display);overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.dash-act em{font-style:normal;font-size:.8rem;color:var(--ink-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dash-act.primary{background:var(--blue);border-color:var(--blue);color:var(--on-blue)}.dash-act.primary em,.dash-act.primary small,.dash-act.primary>svg{color:color-mix(in srgb,var(--on-blue) 78%,transparent)}.dash-act.primary:hover{color:var(--on-blue)}@media (prefers-reduced-motion:reduce){.dash-act,.dash-act:hover{transition:none;transform:none}}.dash-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:12px;gap:12px;margin-bottom:14px}.dash-stats div{padding:14px 16px;border-radius:16px;background:var(--surface);border:1px solid var(--line)}.dash-stats b{display:block;font:800 1.6rem/1.1 var(--display);letter-spacing:-.02em}.dash-stats span{color:var(--ink-3);font-size:.82rem}.dash-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px 20px;min-width:0}.dash-card-h{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:10px}.dash-card-h h2{margin:0;font-size:1.08rem}.dash-map-card{margin-bottom:14px}.dash-map{display:grid;grid-auto-flow:column;grid-template-rows:repeat(7,13px);grid-auto-columns:13px;grid-gap:4px;gap:4px;overflow-x:auto;padding-bottom:4px}.dash-legend i,.dash-map i{display:block;width:13px;height:13px;border-radius:3px;background:var(--sunk);border:1px solid color-mix(in srgb,var(--line) 70%,transparent)}.dash-map i.pad{visibility:hidden}.dash-map i.today{outline:1.5px solid var(--ink-3);outline-offset:1px}.dash-legend .l1,.dash-map .l1{background:color-mix(in srgb,var(--blue) 28%,var(--surface))}.dash-legend .l2,.dash-map .l2{background:color-mix(in srgb,var(--blue) 50%,var(--surface))}.dash-legend .l3,.dash-map .l3{background:color-mix(in srgb,var(--blue) 74%,var(--surface))}.dash-legend .l4,.dash-map .l4{background:var(--blue)}.dash-legend{display:inline-flex;align-items:center;gap:3px;font-size:.75rem;color:var(--ink-3)}.dash-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:14px;gap:14px}.dash-wide{grid-column:1/-1}.dash-empty{color:var(--ink-2);font-size:.92rem;margin:0}.dash-terms{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0 0}.chip{display:inline-block;padding:5px 12px;border-radius:999px;background:var(--sunk);border:1px solid var(--line);color:var(--ink);text-decoration:none;font-size:.84rem;font-weight:600}.chip:hover{border-color:var(--blue);color:var(--blue)}.dash-list,.dash-prog-list{list-style:none;margin:0;padding:0}.dash-prog-list li{padding:10px 0;border-top:1px solid var(--line)}.dash-list li:first-child,.dash-prog-list li:first-child{border-top:0}.dash-prog-list a{display:flex;justify-content:space-between;gap:10px;text-decoration:none;color:var(--ink)}.dash-prog-list .t{min-width:0}.dash-prog-list strong{display:block;font-size:.95rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dash-prog-list small{color:var(--ink-3);font-size:.78rem}.dash-prog-list .pc{font:700 .9rem var(--mono);color:var(--blue)}.dash-prog-list .bar{display:block;height:7px;margin-top:8px;border-radius:4px;background:var(--sunk);overflow:hidden}.dash-prog-list .bar i{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,var(--blue),color-mix(in srgb,var(--blue) 60%,var(--green)))}.dash-list li{display:flex;align-items:center;gap:10px;padding:9px 0;border-top:1px solid var(--line);min-width:0}.dash-list .t{flex:1 1;min-width:0;display:grid;overflow:hidden}.dash-list .t a,.dash-list a.t{color:var(--ink);text-decoration:none;font-weight:600;font-size:.92rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dash-list .t a:hover,.dash-list a.t:hover{color:var(--blue)}.dash-list small{color:var(--ink-3);font-size:.78rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dash-list.cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-column-gap:24px;column-gap:24px}.dash-list.cols li:nth-child(2){border-top:0}.dash-score{flex:none;min-width:48px;text-align:center;padding:4px 8px;border-radius:8px;font:700 .82rem var(--mono)}.dash-score.great{background:var(--green-soft);color:var(--green)}.dash-score.ok{background:var(--blue-soft);color:var(--blue)}.dash-score.bad{background:var(--red-soft);color:var(--red)}.dash-settings{margin-top:14px}.dash-settings summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between}.dash-settings summary::-webkit-details-marker{display:none}.dash-settings summary span{display:grid}.dash-settings summary small{color:var(--ink-3);font-size:.82rem}.dash-settings summary:after{content:"\25BE";color:var(--ink-3);transition:transform .15s}.dash-settings[open] summary:after{transform:rotate(180deg)}.dash-settings[open] summary{margin-bottom:14px}@media (max-width:900px){.dash-actions{grid-template-columns:1fr 1fr}.dash-actions .primary{grid-column:1/-1}.dash-grid,.dash-list.cols{grid-template-columns:1fr}.dash-list.cols li:nth-child(2){border-top:1px solid var(--line)}}@media (max-width:560px){.dash-hero{padding:18px;border-radius:16px}.dash-streak{width:100%}.dash-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.dash-act{padding:13px}.dash-act em{display:none}.dash-card{padding:15px 16px}}.dash-prog-list.cols{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));grid-column-gap:24px;column-gap:24px}.dash-prog-list.cols li:nth-child(-n+2){border-top:0}@media (max-width:600px){.dash-prog-list.cols li:nth-child(2){border-top:1px solid var(--line)}}@media (max-width:1100px){.dash-actions{grid-template-columns:repeat(3,1fr)}}@media (max-width:760px){.dash-actions{grid-template-columns:1fr 1fr}.dash-actions .dash-act.primary{grid-column:1/-1}}.dash-chat .dash-list li{padding:7px 0}.dash-chat .t small{display:block;color:var(--ink-3);font-size:.74rem}.mm-trigger svg{flex:none;width:17px;height:17px;color:var(--ink-3);transition:color .15s}.mm-trigger:hover svg,.mm:focus-within .mm-trigger svg,.mm:hover .mm-trigger svg{color:var(--blue)}.mm-trigger{gap:7px;padding:9px 12px;border-radius:10px}.mm-trigger .caret{width:6px;height:6px;margin-left:1px;opacity:.55}.mm-trigger.mm-ask{background:var(--blue-soft);color:var(--blue);margin-left:4px}.mm-trigger.mm-ask svg{color:var(--blue)}.mm-trigger.mm-ask:hover{background:var(--blue);color:var(--on-blue)}.mm-trigger.mm-ask:hover svg{color:var(--on-blue)}.mm-more-label{display:none}@media (max-width:1480px){.mainnav .mm-trigger{padding-left:10px;padding-right:10px;gap:6px}.mainnav>ul{margin-left:8px}}@media (max-width:1300px){.mainnav .mm-trigger{padding-left:8px;padding-right:8px;font-size:.9rem}.top .row{gap:12px}}@media (max-width:1180px){.mainnav .mm-trigger>svg:first-child{display:none}.mm-trigger.mm-ask>svg:first-child,.mm-trigger[aria-label=More]>svg:first-child{display:block}}.mm-panel{border-radius:14px;padding:16px}.mm-panel.narrow{min-width:340px;gap:12px}.mm-title{display:flex;gap:12px;align-items:center;padding-bottom:12px;border-bottom:1px solid var(--line)}.mm-title strong{display:block;font-size:1rem;color:var(--ink)}.mm-title small{display:block;color:var(--ink-3);font-size:.84rem;margin-top:2px}.mm-ico{flex:none;display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:var(--blue-soft);color:var(--blue)}.mm-ico svg{width:19px;height:19px}.mm-board{display:flex;align-items:center;gap:7px;margin:0 0 6px;font:700 .82rem/1.2 var(--sans);color:var(--ink-2);letter-spacing:0;text-transform:none}.mm-board svg{color:var(--ink-3)}.mm-group ul{gap:1px 8px}.mm-group li a{padding:7px 10px;font-weight:600}.mm-more{font-size:.85rem;color:var(--blue)!important}.mm-all{margin:4px 0 0;padding-top:12px}.mm-all a{display:inline-flex;align-items:center;gap:4px;text-decoration:none}.mm-all a:hover{text-decoration:underline}.mm-panel.wide{gap:18px 26px}.mm-prog{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-gap:1px 10px;gap:1px 10px;padding:8px 10px;margin:0 -10px;border:0;border-radius:9px;text-decoration:none;color:var(--ink)}.mm-prog:hover{background:var(--sunk)}.mm-prog:hover .mm-pname{color:var(--blue)}.mm-pname{font:700 .95rem/1.25 var(--sans);margin:0}.mm-pspan{grid-column:2;grid-row:1;font-size:.78rem;align-self:center}.mm-pfull,.mm-pspan{color:var(--ink-3);white-space:nowrap}.mm-pfull{grid-column:1/-1;font-size:.8rem;line-height:1.35;overflow:hidden;text-overflow:ellipsis}.mm-prog.soon .mm-pname{color:var(--ink-3)}.mm-tools a{display:flex;gap:12px;align-items:center;padding:9px 10px}.mm-tools strong{font-size:.95rem;color:var(--ink)}.mm-tools small{display:block;color:var(--ink-3);font-size:.82rem}.mm-tools a:hover strong{color:var(--blue)}.menu summary{display:grid;place-items:center;width:42px;height:42px;padding:0!important;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--ink)}.menu summary:hover{border-color:var(--line-2)}.menu .i-close,.menu[open] .i-open{display:none}.menu[open] .i-close{display:grid}.menu .i-close,.menu .i-open{place-items:center}.menu .i-open{display:grid}.menu[open] summary{background:var(--sunk)}.menu .msheet{display:none}.menu[open] .msheet{display:grid;grid-gap:4px;gap:4px;position:fixed;left:12px;right:12px;top:66px;z-index:50;max-height:calc(100dvh - 150px);overflow-y:auto;overscroll-behavior:contain;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);padding:12px}@media (min-width:700px){.menu[open] .msheet{left:auto;width:420px}}.msheet a{text-decoration:none;color:var(--ink)}.sheet-search{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:12px;background:var(--sunk);color:var(--ink-3)!important;font-size:.95rem}.sheet-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:8px;gap:8px;margin:8px 0 6px}.sheet-grid a{display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 6px 12px;border:1px solid var(--line);border-radius:12px;font-size:.8rem;font-weight:700;text-align:center;line-height:1.2}.sheet-grid a svg{width:22px;height:22px;color:var(--blue)}.sheet-grid a.accent,.sheet-grid a:hover{border-color:var(--blue)}.sheet-grid a.accent{background:var(--blue);color:var(--on-blue)}.sheet-grid a.accent svg{color:var(--on-blue)}.sheet-board{padding-top:10px}.sheet-board .mm-board{margin:0 4px 4px}.sheet-prog{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 8px;border-radius:10px}.sheet-prog:hover{background:var(--sunk)}.sheet-prog strong{display:block;font-size:.95rem}.sheet-prog small{display:block;color:var(--ink-3);font-size:.8rem;line-height:1.3}.sheet-prog>svg{flex:none;color:var(--ink-3)}.sheet-all{display:flex;align-items:center;gap:4px;justify-content:center;padding:12px;margin-top:6px;border-top:1px solid var(--line);font-weight:700;color:var(--blue)!important}.mm-tools .mm-ico{display:grid;color:var(--blue);font-size:inherit}.mm-tools a>span:last-child{color:inherit}.top .btn,.top .btn.sm{white-space:nowrap}.sheet-prog>span{display:block!important;flex:1 1;min-width:0}.fig{margin:1.6em auto;max-width:540px;padding:14px 14px 10px;border:1px solid var(--line);border-radius:14px;background:var(--surface);text-align:center}.fig figcaption{margin-top:6px;font-size:.86rem;color:var(--ink-2);line-height:1.4}.fig-svg{display:block;width:100%;height:auto;color:var(--ink);overflow:visible}.fig-svg .fig-l{fill:none;stroke:currentColor;stroke-width:2;stroke-linejoin:round;stroke-linecap:round}.fig-svg .fig-hidden{stroke-dasharray:6 5;opacity:.75}.fig-svg .fig-thick{stroke-width:3.5}.fig-svg .fig-dim{fill:none;stroke:var(--blue);stroke-width:1.6}.fig-svg .fig-sight{stroke:var(--red);stroke-dasharray:7 5}.fig-svg .fig-acc{stroke:var(--red)}.fig-svg .fig-solid{fill:color-mix(in srgb,var(--blue) 12%,transparent);stroke:none}.fig-svg .fig-side{fill:color-mix(in srgb,var(--blue) 22%,transparent)}.fig-svg .fig-top{fill:color-mix(in srgb,var(--blue) 26%,transparent)}.fig-svg .fig-shape{fill:color-mix(in srgb,var(--blue) 10%,transparent);stroke:currentColor;stroke-width:2;stroke-linejoin:round}.fig-svg .fig-set{fill:none;stroke:currentColor;stroke-width:2.2}.fig-svg .fig-box{fill:none;stroke:var(--ink-3);stroke-width:1.5}.fig-svg .fig-shade{fill:color-mix(in srgb,var(--blue) 40%,transparent)}.fig-svg .fig-dot{fill:currentColor}.fig-svg .fig-acc-fill{fill:var(--red)}.fig-svg .fig-open{fill:var(--surface);stroke:var(--red);stroke-width:2}.fig-svg .fig-arrow{fill:currentColor}.fig-svg .fig-grid{stroke:var(--line);stroke-width:1}.fig-svg .fig-axis{stroke:currentColor;stroke-width:1.6}.fig-svg .fig-bar{fill:var(--blue)}.fig-svg .fig-curve{fill:none;stroke-width:2.6;stroke-linejoin:round}.fig-svg .fig-k0{stroke:var(--blue)}.fig-svg .fig-k1{stroke:var(--red)}.fig-svg .fig-k2{stroke:var(--green)}.fig-svg .fig-k3{stroke:#e8590c}.fig-svg .fig-kt0{fill:var(--blue)}.fig-svg .fig-kt1{fill:var(--red)}.fig-svg .fig-kt2{fill:var(--green)}.fig-svg .fig-kt3{fill:#e8590c}.fig-svg .fig-pie{stroke:var(--surface);stroke-width:2}.fig-svg .fig-c0{fill:#4263eb}.fig-svg .fig-c1{fill:#f03e3e}.fig-svg .fig-c2{fill:#37b24d}.fig-svg .fig-c3{fill:#f59f00}.fig-svg .fig-c4{fill:#7048e8}.fig-svg .fig-c5{fill:#1098ad}.fig-svg .fig-c6{fill:#d6336c}.fig-svg .fig-c7{fill:#868e96}.fig-svg .fig-t{fill:currentColor;font:600 15px var(--sans,system-ui);paint-order:stroke;stroke:var(--surface);stroke-width:4px;stroke-linejoin:round}.fig-svg .fig-lab{fill:var(--blue);font-weight:700}.fig-svg .fig-name{font-weight:800;font-size:17px}.fig-svg .fig-val{font-size:18px;font-weight:700}.fig-svg .fig-ang{fill:var(--red);font-weight:700}.fig-svg .fig-small{font-size:12.5px;font-weight:500}.fig-svg .fig-tiny{font-size:10.5px;font-weight:500;fill:var(--ink-3)}.fig-svg .fig-bg{fill:var(--surface)}.fig-svg .fig-cell{fill:color-mix(in srgb,var(--blue) 8%,var(--surface));stroke:currentColor;stroke-width:1.8}.fig-svg .fig-node{fill:color-mix(in srgb,var(--blue) 10%,var(--surface));stroke:currentColor;stroke-width:2}.fig-svg .fig-hl{fill:color-mix(in srgb,#f59f00 45%,var(--surface));stroke:#e8590c}.fig-svg .fig-path{stroke:var(--red);stroke-width:3.6}.fig-svg .fig-layer{stroke:none;opacity:.88}.fig-svg .fig-layer.fig-hl{stroke:var(--red);stroke-width:3;opacity:1}.fig-svg .fig-on{fill:#fff;stroke:rgba(0,0,0,.35);stroke-width:3px}.fig-svg .fig-gate{fill:color-mix(in srgb,var(--blue) 8%,var(--surface));stroke:currentColor;stroke-width:2;stroke-linejoin:round}.fig-svg .fig-wire{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linejoin:round;opacity:.85}.fig-svg .fig-group{fill:none;stroke-width:2.6}.fig-svg .fig-g0{stroke:#e03131}.fig-svg .fig-g1{stroke:#1971c2}.fig-svg .fig-g2{stroke:#2f9e44}.fig-svg .fig-g3{stroke:#f08c00}.fig-svg .fig-g4{stroke:#9c36b5}.fig-svg .fig-g5{stroke:#0c8599}.letter{margin:1.8em auto;max-width:640px}.letter .lt-paper{position:relative;background:#fffdf5;color:#1d1d1f;border:1px solid #e6dfc8;border-radius:6px;box-shadow:0 1px 2px rgba(0,0,0,.08),0 8px 24px rgba(0,0,0,.08);padding:28px 30px 26px;font-size:1rem;line-height:1.75;background-image:repeating-linear-gradient(transparent 0 27px,rgba(35,64,200,.06) 27px 28px)}.letter .lt-part{position:relative;margin:0 0 14px}.letter .lt-line{display:block}.letter .lt-right{text-align:right;margin-left:auto;width:-moz-fit-content;width:fit-content;max-width:70%}.letter .lt-right .lt-line{text-align:left}.letter .lt-closing{margin-top:22px}.letter .lt-subject{text-align:center;font-weight:700;text-decoration:underline;text-underline-offset:4px}.letter .lt-heading{text-align:center;font-weight:800;font-size:1.15rem;letter-spacing:.02em}.letter .lt-body p{margin:0 0 10px;text-indent:2em}.letter .lt-tag{display:block;width:-moz-fit-content;width:fit-content;margin:0 0 2px;padding:1px 8px;border-radius:999px;font-size:.7rem;line-height:1.5;font-weight:700;letter-spacing:.02em;color:#2340c8;background:rgba(35,64,200,.09);text-indent:0;font-style:normal;text-decoration:none}.letter .lt-right .lt-tag{margin-left:auto}.letter .lt-heading .lt-tag,.letter .lt-subject .lt-tag{margin-left:auto;margin-right:auto}.letter figcaption{margin-top:8px;text-align:center;font-size:.86rem;color:var(--ink-2)}@media (max-width:600px){.letter .lt-paper{padding:20px 16px}.letter .lt-right{max-width:85%}}.chem{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 14px;padding:8px 4px}.chem,.mol{align-items:center}.mol{display:inline-flex;flex-direction:column;gap:4px}.mol-art{display:grid;place-items:center;min-width:120px;min-height:90px}.mol-md .mol-art{min-width:220px;min-height:160px}.mol-art .mol-svg{width:260px;max-width:100%;height:auto}.mol-sm .mol-art .mol-svg{width:170px}.mol-wait{font-size:.9rem;color:var(--ink-2);padding:18px 10px;border:1px dashed var(--line,#d7dbe6);border-radius:10px}.mol-art.ready .mol-wait{display:none}.mol-art.mol-fail .mol-wait{border-style:solid;font-weight:600;color:var(--ink,#1a1f2e)}.mol-name{font-size:.86rem;font-weight:600;color:var(--ink-2);text-align:center;max-width:220px}.mol-formula .mol-f{font-size:1.35rem;font-weight:600;padding:6px 4px}.mol-f sub,.mol-f sup,.rx-bot sub,.rx-bot sup,.rx-top sub,.rx-top sup{font-size:.7em}.coef{font-size:1.35rem;font-weight:600;margin-right:-6px}.rx-plus{font-size:1.5rem;font-weight:300;color:var(--ink-2)}.rx-arrow{display:inline-flex;flex-direction:column;align-items:center;min-width:110px;color:var(--ink,#1a1f2e)}.rx-arrow svg{width:120px;height:24px}.rx-bot,.rx-top{font-size:.8rem;color:var(--ink-2);white-space:nowrap}.fig .atom-nuc{fill:rgba(217,45,32,.12);stroke:#d92d20;stroke-width:1.5}.fig .atom-sym{font-weight:700;font-size:16px}.fig .atom-shell{fill:none;stroke:currentColor;stroke-opacity:.35;stroke-width:1.2}.fig .atom-e{fill:#2340c8}.fig .orb-box{fill:none;stroke:currentColor;stroke-width:1.4}.fig .orb-e{fill:none;stroke:#2340c8;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.fig .ep-axis{fill:none;stroke:currentColor;stroke-width:1.4}.fig .ep-curve{fill:none;stroke:#2340c8;stroke-width:2.4}.fig .ep-cat{fill:none;stroke:#16a34a;stroke-width:2;stroke-dasharray:6 4}.fig .ep-dim{fill:none;stroke:#d92d20;stroke-width:1.4}.fig .ep-guide{fill:none;stroke:currentColor;stroke-opacity:.35;stroke-dasharray:4 4}@media (prefers-color-scheme:dark){.fig .atom-e,.fig .orb-e{fill:#8ea2ff;stroke:#8ea2ff}.fig .atom-e{stroke:none}.fig .ep-curve{stroke:#8ea2ff}}@media (max-width:600px){.mol-md .mol-art{min-width:160px}.rx-arrow{min-width:80px}.rx-arrow svg{width:80px}}html.authed body:not(:has(.admin-shell)){display:grid;grid-template-columns:260px minmax(0,1fr);min-height:100vh}body:has(.admin-shell) .st-global,html:not(.authed) .st-global{display:none!important}html.authed .site-col .foot,html.authed .site-col .skip,html.authed .site-col .top{display:none}html.authed .site-col{min-width:0;background:var(--paper)}html.authed body:not(:has(.admin-shell)) main.wrap{max-width:1240px;margin:0 auto;padding:28px 36px 64px;min-height:100vh}html.authed .site-col .crumbs{margin-top:0}.st-side{position:-webkit-sticky;position:sticky;top:0;height:100vh;overflow-y:auto;display:flex;flex-direction:column;gap:10px;padding:18px 14px 14px;background:var(--surface);border-right:1px solid var(--line)}.st-brand{padding:2px 8px 14px;border-bottom:1px solid var(--line)}.st-loading .st-me-t small,.st-loading .st-me-t strong{min-height:1em;border-radius:4px;background:var(--sunk)}.st-me{display:flex;align-items:center;gap:10px;padding:10px;border-radius:12px;background:var(--sunk);text-decoration:none;color:var(--ink)}.st-me:hover{background:var(--blue-soft)}.st-av{flex:none;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:var(--blue);color:var(--on-blue);font-weight:800;font-size:.9rem}.st-me-t{min-width:0}.st-me-t strong{font-size:.92rem}.st-me-t small,.st-me-t strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.st-me-t small{color:var(--ink-3);font-size:.76rem}.st-ask{display:flex;align-items:center;justify-content:center;gap:8px;padding:10px;border-radius:10px;background:var(--blue);color:var(--on-blue);font-weight:800;font-size:.92rem;text-decoration:none}.st-ask:hover{filter:brightness(1.08)}.st-nav{display:grid;grid-gap:14px;gap:14px}.st-group{display:grid;grid-gap:2px;gap:2px}.st-group-l{margin:0 0 4px;font:700 .68rem/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase}.st-mnav nav a,.st-nav a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;color:var(--ink-2);text-decoration:none;font-size:.92rem;font-weight:700}.st-mnav nav a:hover,.st-nav a:hover{background:var(--sunk);color:var(--ink)}.st-mnav nav a.on,.st-nav a.on{background:var(--blue-soft);color:var(--blue)}.st-mnav svg,.st-nav svg{flex:none;opacity:.85}.st-badge{margin-left:auto;font:700 .7rem/1 var(--sans);padding:4px 7px;border-radius:999px;background:var(--sunk);color:var(--ink-2)}.st-badge.live{background:var(--green-soft);color:var(--green)}.st-mnav{display:none}details.st-mnav:not(.faq):not(.menu){background:none;border:0;padding:0;margin:0;border-radius:0}.st-out{margin-top:auto;padding-top:10px;border-top:1px solid var(--line)}.st-out button{width:100%;border:1px solid var(--line);background:none;color:var(--ink-2);padding:8px;border-radius:9px;font:700 .85rem var(--sans);cursor:pointer}.st-out button:hover{border-color:var(--red);color:var(--red)}.st-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}.st-head h1{margin:0;font-size:clamp(1.6rem,2.4vw,2.1rem);line-height:1.1}.st-kicker{margin:0 0 4px;font:700 .72rem/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--blue)}.st-sub{margin:6px 0 0;color:var(--ink-2)}.st-head-actions{display:flex;gap:8px;flex-wrap:wrap}.st-head-actions .btn{display:inline-flex;align-items:center;gap:8px}.st-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px;min-width:0;margin-bottom:16px}.st-card h2{margin:0;font-size:1.08rem}.st-card-h{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:12px}.st-empty{margin:0;color:var(--ink-3);font-size:.92rem}.st-blank{text-align:center;padding:34px 20px;display:grid;justify-items:center;grid-gap:8px;gap:8px;color:var(--ink-3)}.st-blank h2{color:var(--ink);margin:4px 0 0}.st-blank p{max-width:440px;margin:0 0 6px}.st-full{display:block;text-align:center;margin-top:12px}.st-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);grid-gap:16px;gap:16px;align-items:start}.st-grid.even{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.st-col{min-width:0}.st-kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:12px;gap:12px;margin-bottom:16px}.st-kpi{display:flex;align-items:center;gap:12px;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:14px;text-decoration:none;color:var(--ink)}a.st-kpi:hover{border-color:var(--blue)}.st-kpi b{display:block;font:800 1.45rem/1.1 var(--display)}.st-kpi b em{font-style:normal;font-size:.95rem;color:var(--ink-3)}.st-kpi small{display:block;color:var(--ink-3);font-size:.78rem;margin-top:2px}.st-kpi-ic{flex:none;width:40px;height:40px;border-radius:11px;display:grid;place-items:center;background:var(--blue-soft);color:var(--blue)}.st-kpi-ic.flame{background:var(--sunk);color:var(--ink-3)}.st-kpi-ic.flame.on{background:#fff1e6;color:#ea580c}.st-continue{display:grid;grid-gap:4px;gap:4px;text-decoration:none;color:var(--ink);background:linear-gradient(135deg,var(--blue-soft),var(--surface) 70%);border-color:color-mix(in srgb,var(--blue) 35%,var(--line))}.st-continue strong{font-size:1.15rem}.st-continue small{color:var(--ink-2)}.st-continue .st-go{justify-self:start;margin-top:8px;font-weight:800;color:var(--blue)}.st-continue:hover{border-color:var(--blue)}.st-subjects{list-style:none;margin:0;padding:0}.st-subjects li{padding:10px 0;border-top:1px solid var(--line)}.st-subjects li:first-child{border-top:0;padding-top:0}.st-subjects a{display:flex;justify-content:space-between;gap:10px;text-decoration:none;color:var(--ink)}.st-sub-t{min-width:0}.st-sub-t strong{display:block;font-size:.95rem}.st-sub-t small{color:var(--ink-3);font-size:.78rem}.st-pc{font:700 .88rem var(--mono);color:var(--blue)}.st-bar{height:7px;margin-top:8px;background:var(--sunk);overflow:hidden}.st-bar,.st-bar i{display:block;border-radius:4px}.st-bar i{height:100%;background:linear-gradient(90deg,var(--blue),color-mix(in srgb,var(--blue) 60%,var(--green)))}.st-subject-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:14px;gap:14px;margin-bottom:16px}.st-subject{margin:0;display:grid;grid-gap:8px;gap:8px;align-content:start}.st-subject h2{font-size:1.05rem;line-height:1.3}.st-subject h2 a{color:var(--ink);text-decoration:none}.st-subject h2 a:hover{color:var(--blue)}.st-subject .st-bar,.st-subject p{margin:0}.st-subject-top{display:flex;justify-content:space-between;align-items:center}.st-code{font:700 .72rem var(--mono);padding:3px 8px;border-radius:6px;background:var(--sunk);color:var(--ink-2)}.st-subject-links{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}.st-subject-links a{font-size:.82rem;font-weight:700;padding:6px 10px;border-radius:8px;border:1px solid var(--line);color:var(--ink-2);text-decoration:none}.st-subject-links a:hover{border-color:var(--blue);color:var(--blue)}.st-subject-links b{color:var(--ink-3);font-weight:600;margin-left:2px}.st-chips{display:flex;flex-wrap:wrap;gap:6px;margin:0}.st-rows{list-style:none;margin:0;padding:0}.st-rows li{display:flex;align-items:center;gap:10px;padding:9px 0;border-top:1px solid var(--line);min-width:0}.st-rows li:first-child{border-top:0;padding-top:0}.st-rows li>a{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink);text-decoration:none;font-weight:600;font-size:.92rem}.st-rows li>a:hover{color:var(--blue)}.st-t{min-width:0;flex:1 1;display:grid}.st-t a,.st-t strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.st-t small{color:var(--ink-3);font-size:.78rem}.st-table{list-style:none;margin:0;padding:0}.st-table li{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line)}.st-table li:first-child{border-top:0}.st-table li>a{flex:1 1;min-width:0;display:flex;align-items:center;gap:12px;padding:12px 6px;color:var(--ink);text-decoration:none;border-radius:8px}.st-table li>a:hover{background:var(--sunk)}.st-date{color:var(--ink-3);font:600 .78rem var(--mono);flex:none}.st-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}.st-tabs a{padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);text-decoration:none;font-weight:700;font-size:.86rem}.st-tabs a b{color:var(--ink-3);font-weight:600;margin-left:4px}.st-tabs a.on{background:var(--blue);border-color:var(--blue);color:var(--on-blue)}.st-tabs a.on b{color:inherit;opacity:.8}.st-live{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--green);margin-right:6px}.st-room-t{margin:-6px 0 10px}.st-msgs{list-style:none;margin:0;padding:0;display:grid;grid-gap:8px;gap:8px}.st-msgs li{display:grid;grid-gap:1px;gap:1px;padding:8px 10px;border-radius:10px;background:var(--sunk);font-size:.88rem}.st-msgs strong{font-size:.78rem;color:var(--blue)}.st-msgs span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-2)}.st-setup{border-color:var(--blue)}.st-setup p{margin:6px 0 12px}.st-setup-form{max-width:520px}html.authed main.wrap:has(.cr){padding-top:12px;padding-bottom:12px;max-width:none}html.authed .cr{height:calc(100dvh - 24px);max-width:none;padding-top:6px}@media (max-width:1100px){.st-kpis{grid-template-columns:repeat(2,minmax(0,1fr))}.st-grid,.st-grid.even{grid-template-columns:minmax(0,1fr)}}@media (max-width:900px){html.authed body:not(:has(.admin-shell)){display:block}.st-side{position:-webkit-sticky;position:sticky;top:0;z-index:30;height:auto;overflow:visible;flex-direction:row;align-items:center;gap:8px;padding:8px 12px;border-right:0;border-bottom:1px solid var(--line)}.st-brand{border:0;padding:0;margin-right:auto}.st-me{padding:0;background:none;order:2}.st-me .st-me-t{display:none}.st-av{width:34px;height:34px;border-radius:50%}.st-ask,.st-nav,.st-out{display:none}.st-mnav{display:block;order:3;position:relative}.st-mnav summary{list-style:none;cursor:pointer;display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--line);border-radius:10px}.st-mnav summary::-webkit-details-marker{display:none}.st-mnav[open] nav{position:absolute;right:0;top:calc(100% + 8px);width:min(300px,88vw);max-height:75vh;overflow-y:auto;display:grid;grid-gap:12px;gap:12px;padding:10px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg)}html.authed body:not(:has(.admin-shell)) main.wrap{padding:18px 14px 96px}html.authed body:not(:has(.admin-shell)) main.wrap:has(.cr){padding:8px 12px 0}html.authed .cr{height:calc(100dvh - 62px - 8px)}html.authed body:has(.cr) .bnav{display:none}.st-head{margin-bottom:16px}.st-head-actions .btn{padding:9px 14px;font-size:.88rem}}@media (max-width:420px){.st-head-actions .st-hide-sm{display:none}.st-kpi{padding:12px;gap:10px}.st-kpi-ic{width:34px;height:34px}.st-kpi b{font-size:1.2rem}.st-ask svg{display:none}}html.authed .pbar{margin:0 0 18px;box-shadow:none;-webkit-clip-path:none;clip-path:none;border:1px solid var(--line);border-radius:12px;padding:0 14px}html.authed .pbar .wrap{max-width:none}html.authed .stabs-wrap{top:0}@media (max-width:900px){html.authed .pbar{margin:-6px 0 12px}html.authed .stabs-wrap{position:static}}html.authed .pbar{display:none}.st-top{display:flex;align-items:center;justify-content:space-between;gap:6px;padding:2px 4px 12px 8px;border-bottom:1px solid var(--line)}.st-top .st-brand{padding:0;border:0;min-width:0}.st-collapse{flex:none;display:grid;place-items:center;width:32px;height:32px;border-radius:8px;border:1px solid transparent;background:none;color:var(--ink-3);cursor:pointer}.st-collapse:hover{border-color:var(--line);color:var(--ink);background:var(--sunk)}.st-foot{margin-top:auto;display:grid;grid-gap:6px;gap:6px;padding-top:10px;border-top:1px solid var(--line)}.st-foot .st-me{background:none;border:1px solid transparent}.st-foot .st-me.on,.st-foot .st-me:hover{background:var(--sunk);border-color:var(--line)}.st-foot .st-me>svg{margin-left:auto;flex:none;color:var(--ink-3)}img.st-av{object-fit:cover}.st-out{margin:0;padding:0;border:0}.st-out button{display:flex;align-items:center;justify-content:center;gap:8px}@media (min-width:901px){html.authed.sb-mini body:not(:has(.admin-shell)){grid-template-columns:76px minmax(0,1fr)}.sb-mini .st-global{padding:14px 10px;align-items:stretch}.sb-mini .st-top{flex-direction:column;padding:0 0 10px;gap:8px}.sb-mini .st-brand .b-by,.sb-mini .st-brand .b-name,.sb-mini .st-brand .b-sep{display:none}.sb-mini .st-brand .b-row{justify-content:center}.sb-mini .st-ask{padding:10px 0}.sb-mini .st-ask span,.sb-mini .st-group-l,.sb-mini .st-me-t,.sb-mini .st-me>svg,.sb-mini .st-nav a span,.sb-mini .st-out span{display:none}.sb-mini .st-nav a{justify-content:center;padding:10px 0;position:relative}.sb-mini .st-badge{position:absolute;top:2px;right:6px;padding:2px 5px;font-size:.62rem}.sb-mini .st-group{gap:4px}.sb-mini .st-group+.st-group{border-top:1px solid var(--line);padding-top:10px}.sb-mini .st-foot .st-me{justify-content:center;padding:6px 0}}.st-study{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));grid-gap:14px;gap:14px;margin-bottom:14px}.st-study-card{margin:0}.st-study-card h2{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.st-study-card h2 a{color:var(--ink);text-decoration:none}.st-study-card h2 a:hover{color:var(--blue)}.st-items{list-style:none;margin:0;padding:0;display:grid;grid-gap:2px;gap:2px}.st-items a{display:flex;align-items:center;gap:10px;padding:7px 8px;border-radius:8px;color:var(--ink);text-decoration:none;font-size:.92rem}.st-items a:hover{background:var(--sunk)}.st-items small{margin-left:auto;color:var(--ink-3);font-size:.76rem;flex:none}.st-tick{flex:none;width:24px;height:24px;border-radius:7px;display:grid;place-items:center;background:var(--sunk);color:var(--ink-3);font:700 .72rem var(--mono)}.st-items li.done .st-tick{background:var(--green-soft);color:var(--green)}.st-items li.done a>span:last-child{color:var(--ink-2)}.st-papers{display:flex;flex-wrap:wrap;gap:6px}.st-papers a{display:grid;padding:8px 12px;border-radius:10px;border:1px solid var(--line);text-decoration:none;color:var(--ink)}.st-papers a:hover{border-color:var(--blue)}.st-papers strong{font-size:.86rem}.st-papers small{color:var(--ink-3);font-size:.74rem}.st-more{margin:10px 0 0;font-size:.86rem;font-weight:700}@media (max-width:900px){.st-top{border:0;padding:0;margin-right:auto}.st-collapse{display:none}.st-foot{margin:0;order:2;display:flex}.st-foot,.st-foot .st-me{padding:0;border:0}.st-foot .st-me>svg,.st-foot .st-out{display:none}.st-study{grid-template-columns:1fr}}.st-mout button{width:100%;border:1px solid var(--line);background:none;color:var(--red);padding:9px;border-radius:9px;font:700 .9rem var(--sans);cursor:pointer}html.authed main.wrap h1{font-size:clamp(1.5rem,2.3vw,2.05rem);line-height:1.15;letter-spacing:-.02em}html.authed main.wrap .cr-head h1{font-size:1.3rem}html.authed main.wrap h2{letter-spacing:-.01em}html.authed .crumbs{font-size:.82rem;margin-bottom:8px}.st-start{border-color:color-mix(in srgb,var(--blue) 40%,var(--line));background:linear-gradient(180deg,color-mix(in srgb,var(--blue) 8%,var(--surface)),var(--surface))}.st-start .st-bar{margin:0 0 12px}.st-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));grid-gap:8px;gap:8px}.st-steps a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none;font-weight:600;font-size:.9rem}.st-steps a:hover{border-color:var(--blue)}.st-steps em{margin-left:auto;font-style:normal;color:var(--blue);font-weight:800}.st-steps .st-tick{border:1.5px solid var(--line-2);background:none}.st-steps li.done a{color:var(--ink-3);text-decoration:line-through;-webkit-text-decoration-color:color-mix(in srgb,var(--ink-3) 50%,transparent);text-decoration-color:color-mix(in srgb,var(--ink-3) 50%,transparent)}.st-steps li.done .st-tick{background:var(--green);border-color:var(--green);color:#fff}.st-startlink{flex:none;align-self:center;font-weight:800;font-size:.82rem;color:var(--blue)}.cr-msg.cont{margin-top:-3px}.cr-av-gap{visibility:hidden}.cr-msg.cont:not(.mine) .cr-bubble{border-top-left-radius:6px}.cr-msg.cont.mine .cr-bubble{border-top-right-radius:6px}.st-kbd{margin-left:auto;font:600 .66rem/1 var(--mono);padding:3px 6px;border-radius:5px;border:1px solid var(--line-2);color:var(--ink-3);background:var(--paper)}.sb-mini .st-kbd{display:none}@media (max-width:600px){.st-kpis{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:8px;margin:0 -14px 14px;padding:0 14px 4px;scrollbar-width:none}.st-kpis::-webkit-scrollbar{display:none}.st-kpi{flex:0 0 auto;min-width:150px;scroll-snap-align:start;padding:10px 12px}.st-kpi-ic{width:30px;height:30px;border-radius:9px}.st-kpi-ic svg{width:16px;height:16px}.st-kpi b{font-size:1.1rem}.st-steps{grid-template-columns:1fr}.st-kbd{display:none}}html.authed main.wrap h2:not(.st-card h2):not(.st-blank h2):not(.cr-head h2){font-size:clamp(1.15rem,1.7vw,1.45rem)}.st-kicker{font:600 .82rem/1.4 var(--sans)}.st-group-l,.st-kicker{letter-spacing:0;text-transform:none;color:var(--ink-3)}.st-group-l{font:600 .74rem/1.4 var(--sans);padding:0 10px}html.authed .eyebrow{font-family:var(--sans);font-size:.82rem;font-weight:600;letter-spacing:0;text-transform:none}.st-head h1{font-size:clamp(1.5rem,2.2vw,1.9rem);font-weight:800}.st-sub{font-size:.95rem;color:var(--ink-3)}.st-nav a{position:relative}.st-nav a.on:before{content:"";position:absolute;left:-14px;top:8px;bottom:8px;width:3px;border-radius:0 3px 3px 0;background:var(--blue)}.sb-mini .st-nav a.on:before{left:-10px}.st-nav a{transition:background-color .12s ease,color .12s ease}.st-go,.st-startlink,.st-steps em{display:inline-flex;align-items:center;gap:2px}.st-tick svg{display:block}.st-card,.st-kpi,.st-papers a,.st-steps a,.st-subject-links a{transition:border-color .15s ease,background-color .15s ease}.st-card-h h2{font-size:1rem;font-weight:700}.st-card-h .small{font-weight:600;text-decoration:none;color:var(--blue)}.st-card-h .small:hover{text-decoration:underline}.st-kpi b{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}html.authed a:focus-visible,html.authed button:focus-visible,html.authed input:focus-visible,html.authed select:focus-visible,html.authed summary:focus-visible,html.authed textarea:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:8px}.cr-hello strong{font-size:1.05rem}.cr-head p{font-size:.84rem}@media (prefers-reduced-motion:reduce){.route-progress,.st-card,.st-kpi,.st-nav a{transition:none}}.st-mark{display:none;flex-direction:column;align-items:center;gap:4px;text-decoration:none;color:var(--ink-2)}.st-mark small{font:700 .66rem/1 var(--sans);letter-spacing:0}.st-mark .brand-mark{display:block;border-radius:12px;box-shadow:0 2px 8px color-mix(in srgb,#1f45d6 35%,transparent)}.st-collapse{display:none!important}.st-handle{display:none}@media (min-width:901px){html.authed body:not(:has(.admin-shell)) .st-handle{display:grid;place-items:center;position:fixed;z-index:45;top:30px;left:calc(260px - 13px);width:26px;height:26px;padding:0;border-radius:50%;cursor:pointer;background:var(--surface);color:var(--ink-2);border:1px solid var(--line-2);box-shadow:0 2px 6px rgba(0,0,0,.18);transition:left .15s ease,color .12s ease,border-color .12s ease}html.authed body:not(:has(.admin-shell)) .st-handle:hover{color:var(--blue);border-color:var(--blue)}html.authed.sb-mini body:not(:has(.admin-shell)) .st-handle{left:calc(76px - 13px)}.sb-mini .st-brand{display:none}.sb-mini .st-mark{display:flex}.sb-mini .st-top{padding:0 0 12px;justify-content:center}}.st-items .st-tick,.st-steps .st-tick{border-radius:50%}.st-steps .st-tick{width:22px;height:22px}.st-steps em{display:none}