.themes{display:inline-flex;border:1.5px solid var(--line);border-radius:7px;overflow:hidden;flex:none}.themes button{background:var(--surface);border:none;padding:6px 13px;font-size:.8rem;font-weight:600;color:var(--ink-3);cursor:pointer;border-right:1.5px solid var(--line)}.themes button:last-child{border-right:none}.themes button:hover{color:var(--ink)}.themes button.on{background:var(--accent);color:#fff}.herocta{margin-top:4px}.herocta .btn{display:inline-block;text-decoration:none}.kicker{font-family:var(--mono);font-size:.7rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink)}.sec{padding-top:64px;scroll-margin-top:12px}.sechead{display:flex;flex-direction:column;gap:10px;margin-bottom:24px;max-width:70ch}.sechead p{color:var(--ink-2);font-size:1.02rem;line-height:1.7}.note{margin-top:16px;font-size:.9rem;color:var(--ink-3);line-height:1.65;max-width:72ch}.lanemap{display:grid;grid-template-columns:1fr auto 1fr;gap:14px;align-items:start}.lanecol{display:flex;flex-direction:column;gap:9px}.lanehead{font-family:var(--mono);font-size:.68rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin-bottom:2px}.lane{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:13px 15px}.lanecol.a .lane{border-left:3px solid var(--accent)}.lanecol.b .lane{border-left:3px solid var(--line-2)}.lane strong{display:block;font-size:.95rem;font-weight:600;margin-bottom:3px}.lane span{display:block;font-size:.86rem;color:var(--ink-3);line-height:1.55}.lanecore{position:relative;align-self:center;background:var(--accent-soft);border:1.5px solid var(--accent);border-radius:10px;padding:20px 18px;min-width:130px;max-width:160px;text-align:center}.lanecore span{font-family:var(--disp);font-weight:700;font-size:1.02rem;line-height:1.3;color:var(--accent-ink)}.lanecore:before,.lanecore:after{content:"";position:absolute;top:50%;width:14px;height:1.5px;background:var(--line-2)}.lanecore:before{right:100%}.lanecore:after{left:100%}@media (max-width:860px){.lanemap{grid-template-columns:1fr}.lanecore{max-width:none;order:-1}.lanecore:before,.lanecore:after{display:none}}.leak{display:grid;grid-template-columns:1fr 1fr;gap:14px}.leakcol{background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:20px 22px;display:flex;flex-direction:column;gap:12px}.leakcol.b{border-top:3px solid var(--line-2)}.leakcol.a{border-top:3px solid var(--good)}.leakcol>div{display:flex;gap:11px;align-items:flex-start}.leakcol>div span{flex:none;font-weight:700;line-height:1.5}.leakcol.b>div span{color:var(--ink-3)}.leakcol.a>div span{color:var(--good)}.leakcol p{font-size:.94rem;color:var(--ink-2);line-height:1.6}@media (max-width:760px){.leak{grid-template-columns:1fr}}.scroll{overflow-x:auto}.cmp{min-width:760px}.cmprow{display:grid;grid-template-columns:150px repeat(5,1fr);border-bottom:1px solid var(--line)}.cmprow:last-child{border-bottom:none}.cmprow.head{border-bottom:1.5px solid var(--line-2)}.cmplab{padding:13px 12px 13px 0;font-family:var(--mono);font-size:.7rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);line-height:1.5}.cmpcell{padding:13px 12px;font-size:.9rem;color:var(--ink-2);line-height:1.5;border-left:1px solid var(--line)}.cmprow.head .cmpcell{background:var(--surface-2)}.cmprow.head .cmpcell strong{font-family:var(--disp);font-size:1rem;color:var(--ink)}.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(178px,1fr));gap:12px}.step{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:16px 17px;position:relative}.step .n{font-family:var(--mono);font-size:.7rem;font-weight:600;letter-spacing:.1em;color:var(--accent)}.step strong{display:block;font-size:.97rem;margin:6px 0 4px}.step p{font-size:.87rem;color:var(--ink-3);line-height:1.55}.sec.builder{padding-top:72px}.sec.builder .bar{position:sticky;top:0;z-index:30;margin-bottom:4px;border-radius:7px;border:1px solid var(--line)}.sec.builder .q:first-of-type{margin-top:14px}html[lang=bn] .sechead p,html[lang=bn] .lane span,html[lang=bn] .leakcol p,html[lang=bn] .step p,html[lang=bn] .cmpcell,html[lang=bn] .note{line-height:1.9}html[lang=bn] .kicker,html[lang=bn] .lanehead,html[lang=bn] .cmplab{letter-spacing:.02em;text-transform:none}html[lang=bn] .lanecore span{line-height:1.5}.dock{position:fixed;bottom:16px;z-index:60;display:flex;gap:8px}.dock.left{left:16px}.dock.right{right:16px}.dock .langs,.dock .themes{margin:0;background:var(--surface);border-radius:8px;box-shadow:0 8px 24px -8px #0000004d,0 2px 6px -2px #00000024}:root[data-theme=dark] .dock .langs,:root[data-theme=dark] .dock .themes{box-shadow:0 8px 24px -8px #0009,0 0 0 1px #ffffff0a}body{padding-bottom:78px}@supports (padding:max(0px)){.dock{bottom:max(16px,env(safe-area-inset-bottom))}}@media (max-width:560px){.dock{bottom:12px;gap:6px}.dock.left{left:12px}.dock.right{right:12px}.dock button{padding:6px 10px;font-size:.76rem}}@media print{.dock{display:none}}