/* Tact-VC product page. Builds on styles.css: two inks, 1px strokes, dither for "faded". */

/* ---------- Shared SVG vocabulary ---------- */
svg .ink, svg .solid { fill: var(--ink); }
svg .box { fill: var(--paper); stroke: var(--ink); stroke-width: 1; }
svg .box.dashed { fill: none; stroke-dasharray: 3 3; }
svg .hole { fill: var(--paper); }
svg .dith { fill: url(#dith); }
svg .stroke, svg .rule { fill: none; stroke: var(--ink); stroke-width: 1; }
svg .dash { fill: none; stroke: var(--ink); stroke-width: 1; stroke-dasharray: 3 4; }
svg .wire { fill: none; stroke: var(--ink); stroke-width: 1.5; stroke-linejoin: miter; }
svg .t { fill: var(--ink); font: 10px var(--mono); letter-spacing: .08em; }
svg .t.mid { text-anchor: middle; }
svg .t.inv { fill: var(--paper); }
svg .t.big { font-size: 26px; }
svg [data-sprite] rect, svg [data-develop] rect { fill: var(--ink); }
.t-num { font: inherit; font-weight: 600; font-variant-numeric: tabular-nums; }
.t-red { color: var(--alert); }

/* ---------- Hero ---------- */
.t-hero { min-height: calc(100svh - 56px - 46px); display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: clamp(24px, 4vw, 64px); padding: clamp(48px, 7vw, 96px) var(--pad) 96px; position: relative; }
.t-badges { display: flex; flex-wrap: wrap; gap: 0; }
.t-badges span { border: 1px solid var(--ink); padding: 4px 8px; }
.t-badges span + span { border-left: 0; }
.t-badges .t-no, .t-badges .t-beta { background: var(--ink); color: var(--paper); }
.t-beta { animation: blinkbg 2.4s steps(1) infinite; }
@keyframes blinkbg { 0%, 80% { background: var(--ink); color: var(--paper); } 81%, 100% { background: var(--dither); color: var(--ink); } }
.t-name { font: 600 clamp(20px, 2vw, 26px)/1 var(--mono); letter-spacing: -.02em; margin-top: 28px; }
.t-hero h1 { font-size: clamp(44px, 6.6vw, 92px); letter-spacing: -.045em; line-height: .95; margin: 14px 0 28px; max-width: 12ch; }
.t-hero h1 .ln { display: block; overflow: hidden; padding-bottom: .06em; }
.t-hero h1 .ln > span { display: block; transform: translateY(105%); transition: transform 1s var(--ease); }
.t-hero.in h1 .ln > span { transform: none; }
.t-hero.in h1 .ln:nth-child(2) > span { transition-delay: .14s; }
.t-hero .lede { max-width: 46ch; }
.facts li.soon { border-style: dashed; }

.t-duo { width: 100%; max-width: 560px; justify-self: center; }
.t-duo svg { width: 100%; height: auto; overflow: visible; }
.t-duo .card { fill: var(--paper); stroke: var(--ink); stroke-width: 1.5; }
.t-duo .ghost-srv rect { fill: none; stroke: var(--ink); stroke-dasharray: 4 4; }
.t-duo .ghost-srv text { fill: var(--ink); font: 600 13px var(--mono); letter-spacing: .1em; text-anchor: middle; text-decoration: line-through; }
.t-duo .ghost-srv text.sm { font: 9px var(--mono); text-decoration: none; }
.t-duo .ghost-srv path { stroke: var(--ink); stroke-width: 1; }
.t-duo .drop { stroke: var(--ink); stroke-dasharray: 2 4; }
.t-duo [data-wave] rect { fill: var(--ink); }
.t-duo .talk { fill: var(--ink); transform-box: fill-box; transform-origin: 0 50%; transform: scaleX(0); transition: transform .5s steps(6); }
.t-duo .talk.on { transform: none; }
.t-duo .nm { fill: var(--ink); font: 11px var(--mono); letter-spacing: .1em; text-anchor: middle; }
.t-duo .cap { fill: var(--ink); font: 11px var(--mono); letter-spacing: .08em; text-anchor: middle; }
.t-duo .hole { stroke: var(--ink); }
.t-duo .ghost-srv, .t-duo .drop { clip-path: inset(0 0 100% 0); transition: clip-path .6s steps(6) .9s; }
.t-hero.in .t-duo .ghost-srv, .t-hero.in .t-duo .drop { clip-path: inset(-4px); }

/* ---------- 01 Route: pinned scene, scrubbed by scroll ---------- */
.t-route { height: 380vh; position: relative; }
.t-route-stick { position: sticky; top: 56px; height: calc(100svh - 56px); min-height: 560px; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.25fr); align-items: center; gap: clamp(24px, 4vw, 64px); padding: 32px var(--pad); overflow: hidden; }
.t-route-text .chapter { margin-bottom: 24px; }
.t-steps { display: grid; }
.t-step { grid-area: 1 / 1; clip-path: inset(0 0 100% 0); visibility: hidden; transition: clip-path .45s steps(5), visibility 0s .45s; }
.t-step.on { clip-path: inset(-8px); visibility: visible; transition: clip-path .45s steps(5) .1s, visibility 0s; }
.t-step h2 { font-size: clamp(30px, 4vw, 52px); margin-bottom: 20px; }
.t-step p + p { margin-top: 14px; }
.t-ticks { list-style: none; margin-top: 20px; border-top: 1px dashed var(--ink); }
.t-ticks li { padding: 9px 0 9px 22px; border-bottom: 1px dashed var(--ink); position: relative; font-size: 15px; }
.t-ticks li::before { content: ""; position: absolute; left: 2px; top: 16px; width: 8px; height: 8px; background: var(--ink); }
.t-dots { list-style: none; display: flex; margin-top: 28px; }
.t-dots li { border: 1px solid var(--ink); padding: 4px 8px; transition: background .12s, color .12s; }
.t-dots li + li { border-left: 0; }
.t-dots li.on { background: var(--ink); color: var(--paper); }
.t-route-fig svg { width: 100%; height: auto; display: block; }
.t-route-fig .fig-head b { margin-left: 4px; }
.t-route-fig .srv-ghost rect { fill: none; stroke: var(--ink); stroke-dasharray: 4 4; }
.t-route-fig .srv-ghost text { fill: var(--ink); font: 600 12px var(--mono); letter-spacing: .1em; text-anchor: middle; }
.t-route-fig [data-ledger] text { fill: var(--ink); font: 9px var(--mono); letter-spacing: .06em; }
.t-route-fig [data-ledger] text.hot { fill: var(--paper); }
.t-route-fig [data-ledger] rect { fill: var(--ink); }
.t-route-fig [data-packets] rect { fill: var(--ink); }
.t-route-fig .seal { visibility: hidden; }
.t-route-fig .seal.on { visibility: visible; }

/* ---------- 02 Key ---------- */
.t-nots { margin-top: 8px; }
.t-nots .word { font-size: clamp(24px, 3vw, 38px); }
.t-trio { margin-top: clamp(48px, 7vw, 88px); }
.t-trio-in { display: grid; grid-template-columns: repeat(3, 1fr); }
.t-pane { padding: 18px 18px 22px; }
.t-pane + .t-pane { border-left: 1px solid var(--ink); }
.t-pane b { font-weight: 400; border: 1px solid var(--ink); padding: 1px 5px; margin-right: 6px; }
.t-pane svg { width: 100%; max-width: 280px; height: auto; margin: 18px auto 14px; }
.t-pane > p:last-child { font-size: 15px; }
.t-chip { transform: translateX(0); }
.t-trio.in .t-chip { animation: chip 3.2s var(--ease) 1.2s infinite; }
@keyframes chip { 0% { transform: translateX(0); } 45%, 70% { transform: translateX(70px); } 71%, 100% { transform: translateX(0); } }
.t-stamp rect { fill: var(--ink); }
.t-stamp text { fill: var(--paper); font-weight: 600; }
.t-stamp { transform-box: fill-box; transform-origin: 50% 50%; transform: rotate(-5deg) scale(1.8); visibility: hidden; }
.t-trio.stamped .t-stamp { visibility: visible; transform: rotate(-5deg); transition: transform .25s cubic-bezier(.5, 0, .75, 0); }

.t-gate { display: grid; grid-template-columns: 1fr 1.2fr; gap: 24px 48px; align-items: start; margin-top: clamp(48px, 7vw, 88px); padding-top: 40px; border-top: 1px dashed var(--ink); }
.t-gate h3 { margin-top: 10px; max-width: 18ch; }
.t-table { width: 100%; border-collapse: collapse; border: 1px solid var(--ink); }
.t-table th, .t-table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--ink); font-weight: 400; }
.t-table thead th { padding: 8px 14px; }
.t-table tbody th { font-weight: 600; width: 30%; }
.t-table td + td, .t-table th + td, .t-table th + th { border-left: 1px solid var(--ink); }
.t-table tr:last-child > * { border-bottom: 0; }
.t-table .yes::before { content: ""; display: inline-block; width: 8px; height: 8px; background: var(--ink); margin-right: 8px; }
.t-table .no { text-decoration: line-through; }
.t-table .no::before { content: ""; display: inline-block; width: 7px; height: 7px; border: 1px dashed var(--ink); margin-right: 8px; }
.t-note { grid-column: 1 / -1; font-size: 15px; }
.t-gate .t-note { max-width: 70ch; }

/* ---------- 03 Voice ---------- */
.t-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 20px clamp(32px, 6vw, 88px); align-items: end; }
.t-voice { margin-top: clamp(40px, 6vw, 72px); }
.t-voice svg { width: 100%; height: clamp(120px, 18vw, 200px); display: block; }
.t-voice [data-wave2] .sp { fill: var(--ink); }
.t-voice [data-wave2] .nz { fill: url(#dith); }
.t-voice [data-wave2] .axis { stroke: var(--ink); stroke-width: 1; stroke-dasharray: 2 4; vector-effect: non-scaling-stroke; }
.t-voice .fig-head { align-items: center; padding-block: 6px; }
.t-seg { display: flex; border: 1px solid var(--ink); }
.t-seg button { padding: 5px 10px; transition: background .12s, color .12s; font: inherit; letter-spacing: inherit; text-transform: inherit; }
.t-seg button + button { border-left: 1px solid var(--ink); }
.t-seg button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.t-seg button:hover:not([aria-pressed="true"]) { background: var(--dither); }
.t-legend { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.t-legend i { width: 12px; height: 12px; border: 1px solid var(--ink); display: inline-block; }
.t-legend i + * { margin-right: 8px; }
.t-legend .k-solid { background: var(--ink); }
.t-legend .k-dith { background: var(--dither); margin-left: 10px; }
.t-spec-line { margin-top: 14px; }
.t-pillars { margin-top: clamp(40px, 6vw, 72px); }
.t-pillars .pillar h3 { font-size: 19px; }
.t-mini { width: 64px; height: 40px; margin-bottom: 36px; fill: none; stroke: currentColor; stroke-width: 1; overflow: visible; }
.t-mini * { vector-effect: non-scaling-stroke; }
.t-mini text { fill: currentColor; stroke: none; font: 10px var(--mono); text-anchor: middle; }
.t-echo .arc { animation: arc 1.6s steps(1) infinite; }
.t-echo .a2 { animation-delay: .4s; }
.t-echo .cut { stroke-width: 1.5; }
@keyframes arc { 0%, 49% { visibility: visible; } 50%, 100% { visibility: hidden; } }
.t-gain rect { fill: currentColor; stroke: none; transform-box: fill-box; transform-origin: 50% 100%; animation: gain 2.8s steps(4) infinite; }
.t-gain rect:nth-child(1) { --a: .3; } .t-gain rect:nth-child(2) { --a: 1; } .t-gain rect:nth-child(3) { --a: .15; } .t-gain rect:nth-child(4) { --a: .75; }
.t-gain .lvl { stroke-dasharray: 2 3; }
@keyframes gain { 0%, 20% { transform: scaleY(var(--a)); } 50%, 90% { transform: scaleY(.67); } 100% { transform: scaleY(var(--a)); } }
.t-jit .p { animation: 3s steps(3) infinite; }
.t-jit .p1 { animation-name: j1; } .t-jit .p2 { animation-name: j2; } .t-jit .p3 { animation-name: j3; }
@keyframes j1 { 0%, 30% { transform: none; } 55%, 90% { transform: translateX(-14px); } 100% { transform: none; } }
@keyframes j2 { 0%, 30% { transform: none; } 55%, 90% { transform: translateX(-14px); } 100% { transform: none; } }
@keyframes j3 { 0%, 30% { transform: none; } 55%, 90% { transform: translateX(28px); } 100% { transform: none; } }
.t-rust .ln1, .t-rust .ln2 { stroke-dasharray: 26; stroke-dashoffset: 26; animation: type 3s steps(6) infinite; }
.t-rust .ln2 { animation-delay: .6s; }
@keyframes type { 40%, 100% { stroke-dashoffset: 0; } }

/* ---------- 04 Group ---------- */
.t-split-rev { grid-template-columns: 1.1fr 1fr; }
.t-mesh svg { width: 100%; height: auto; display: block; }
.t-mesh [data-links] line { stroke: var(--ink); stroke-width: 1; }
.t-mesh [data-links] line.cut { stroke-dasharray: 2 4; }
.t-mesh .node rect.fr { fill: var(--paper); stroke: var(--ink); stroke-width: 1.5; }
.t-mesh .node.gone rect.fr { stroke-dasharray: 3 3; fill: url(#dith); }
.t-mesh .node rect.nm { fill: var(--ink); }
.t-mesh .node text { fill: var(--paper); font: 9px var(--mono); letter-spacing: .08em; }
.t-mesh .bub rect { fill: var(--paper); stroke: var(--ink); }
.t-mesh .bub rect.dz { fill: url(#dith); stroke: none; }
.t-mesh .bub text { fill: var(--ink); font: 10.5px var(--mono); letter-spacing: .06em; }

/* ---------- 05 Screenshots ---------- */
.t-shots { margin-top: clamp(40px, 6vw, 72px); }
.t-tabs { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--ink); border-bottom: 0; }
.t-tabs button { text-align: left; padding: 12px 14px; display: flex; align-items: center; gap: 10px; position: relative; font: inherit; letter-spacing: inherit; text-transform: inherit; transition: background .12s, color .12s; }
.t-tabs button + button { border-left: 1px solid var(--ink); }
.t-tabs button b { font-weight: 400; border: 1px solid currentColor; padding: 1px 5px; }
.t-tabs button[aria-selected="true"] { background: var(--ink); color: var(--paper); }
.t-tabs button:hover:not([aria-selected="true"]) { background: var(--dither); }
.t-tabs button i { position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: var(--paper); transform-origin: 0 50%; transform: scaleX(0); }
.t-tabs button[aria-selected="true"] i.run { animation: tabrun var(--dur, 6s) linear forwards; }
@keyframes tabrun { to { transform: scaleX(1); } }
.t-shot-frame { background: #d8d8d8; color: #222222; }
.t-shot img { display: block; width: 100%; height: auto; }
.t-shot-cap { display: flex; gap: 14px; align-items: baseline; padding: 12px 14px; border-top: 1px solid #222222; max-width: none; font-size: 15px; }
.t-shot-cap .label { border: 1px solid #222222; padding: 2px 6px; flex: none; }
.t-shot-frame.fig.in::after { animation: none; }
.t-shot-frame.fig.in.flash::after { animation: flash .5s steps(1) forwards; }

/* ---------- 06 Connecting ---------- */
.t-punch svg { width: 100%; height: auto; display: block; }
.t-punch .door { animation: door 5s steps(4) infinite; }
.t-punch .d2 { animation-name: door2; }
.t-punch .k1 { animation: k1 5s linear infinite; }
.t-punch .k2 { animation: k2 5s linear infinite; }
.t-punch .t-link { stroke-dasharray: 2 5; animation: linkon 5s steps(1) infinite; }
.t-punch .t-ok { animation: okon 5s steps(1) infinite; }
@keyframes door { 0%, 18% { transform: none; } 24%, 92% { transform: translateY(-34px); } 100% { transform: none; } }
@keyframes door2 { 0%, 18% { transform: none; } 24%, 92% { transform: translateY(34px); } 100% { transform: none; } }
@keyframes k1 { 0% { transform: none; } 20% { transform: translateX(66px); } 50% { transform: translateX(346px); } 51%, 100% { transform: translateX(346px); visibility: hidden; } }
@keyframes k2 { 0% { transform: none; } 20% { transform: translateX(-66px); } 50% { transform: translateX(-346px); } 51%, 100% { transform: translateX(-346px); visibility: hidden; } }
@keyframes linkon { 0%, 50% { stroke-dasharray: 2 5; } 51%, 92% { stroke-dasharray: none; } 93%, 100% { stroke-dasharray: 2 5; } }
@keyframes okon { 0%, 50% { visibility: hidden; } 51%, 92% { visibility: visible; } 93%, 100% { visibility: hidden; } }
.t-limits { margin-top: clamp(40px, 6vw, 72px); max-width: 820px; }
.t-limits p { max-width: none; }

/* ---------- 07 Privacy ---------- */
.t-top { align-items: start; }
.t-top .text > * + * { margin-top: 20px; }
.t-top .callout { margin-top: 36px; }
.t-spec dl > div { display: grid; grid-template-columns: 150px 1fr; gap: 12px; padding: 11px 14px; }
.t-spec dl > div + div { border-top: 1px dashed var(--ink); }
.t-spec dt { padding-top: 3px; }
.t-spec dd { font-size: 15px; overflow-wrap: anywhere; }
.t-spec dd.mono { font-size: 13px; }
.t-spec .fig-head { border-bottom: 1px solid var(--ink); }

/* ---------- 08 Beta ---------- */
.t-plat { list-style: none; border: 1px solid var(--ink); }
.t-plat li { display: flex; justify-content: space-between; align-items: center; padding: 16px 16px; font-size: clamp(18px, 2vw, 22px); }
.t-plat li + li { border-top: 1px solid var(--ink); }
.t-plat li b { font-weight: 600; letter-spacing: -.01em; }
.t-plat li:not(.soon) { background: var(--ink); color: var(--paper); }
.t-plat li:not(.soon) + li:not(.soon) { border-top-color: var(--paper); }
.t-plat li.soon { background: var(--dither); }
.t-plat li.soon b, .t-plat li.soon .label { background: var(--paper); padding: 0 6px; }
.t-a11y { border: 1px dashed var(--ink); padding: 18px 18px 20px; }
.t-a11y .label { margin-bottom: 8px; }

/* ---------- FAQ ---------- */
.t-faq { border-top: 1px solid var(--ink); }
.t-faq details { border-bottom: 1px solid var(--ink); }
.t-faq summary { list-style: none; cursor: pointer; padding: 20px 44px 20px 0; font-size: clamp(19px, 2vw, 24px); font-weight: 600; letter-spacing: -.01em; position: relative; transition: background .12s, color .12s; }
.t-faq summary::-webkit-details-marker { display: none; }
.t-faq summary::after { content: "+"; position: absolute; right: 8px; top: 50%; transform: translateY(-50%); font: 400 22px var(--mono); }
.t-faq details[open] summary::after { content: "−"; }
.t-faq summary:hover { background: none; text-decoration: underline; text-underline-offset: 5px; text-decoration-thickness: 1px; }
.t-faq details p { padding: 0 0 22px; }

/* ---------- Closing / Buy ---------- */
.t-closing .quote { max-width: 19ch; }
.t-buy { display: grid; grid-template-columns: auto 1fr auto; gap: 24px 40px; align-items: center; margin-top: clamp(56px, 8vw, 96px); border: 1px solid var(--paper); padding: clamp(20px, 3vw, 32px); }
.t-price { font: 600 clamp(96px, 14vw, 180px)/.8 var(--sans); letter-spacing: -.06em; margin: 12px 0 14px; }
.t-price sup { font-size: .45em; vertical-align: top; position: relative; top: .08em; }
.t-buy-list { list-style: none; border-top: 1px dashed var(--paper); align-self: stretch; display: flex; flex-direction: column; justify-content: center; }
.t-buy-list li { padding: 10px 0; border-bottom: 1px dashed var(--paper); font-size: 15px; }
.t-buy-act { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.t-buy-btn { height: 56px; padding: 0 28px; font-size: 17px; background: var(--paper); color: var(--ink); border-color: var(--paper); }
.t-buy-btn:hover { background: var(--ink); color: var(--paper); }
.t-buy-msg:empty { display: none; }
.t-buy-msg { border: 1px dashed var(--paper); padding: 4px 8px; }
.t-buy-legal { font-size: 13px; }
.t-buy-legal a { text-underline-offset: 3px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .t-hero { grid-template-columns: 1fr; min-height: 0; padding-top: 32px; }
  .t-duo { max-width: 460px; }
  .t-route { height: 420vh; }
  .t-route-stick { grid-template-columns: 1fr; grid-template-rows: auto 1fr; align-items: start; align-content: center; gap: 20px; padding-top: 20px; padding-bottom: 20px; }
  .t-route-fig { grid-row: 1; }
  .t-route-text .chapter { display: none; }
  .t-step h2 { font-size: clamp(26px, 6vw, 40px); margin-bottom: 12px; }
  .t-step .lede { font-size: 16px; }
  .t-dots { margin-top: 16px; }
  .t-trio-in { grid-template-columns: 1fr; }
  .t-pane + .t-pane { border-left: 0; border-top: 1px solid var(--ink); }
  .t-gate, .t-intro, .t-split-rev { grid-template-columns: 1fr; }
  .t-buy { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .t-route-fig .fig-cap { display: none; }
  .t-step p:not(.lede), .t-step .t-ticks li:nth-child(n+3) { display: none; }
  .t-tabs button { padding: 10px 8px; gap: 6px; font-size: 10px; }
  .t-tabs button b { display: none; }
  .t-spec dl > div { grid-template-columns: 1fr; gap: 2px; }
  .t-voice .fig-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .t-shot-cap { flex-direction: column; gap: 6px; }
}
@media (max-height: 700px) and (max-width: 960px) {
  .t-step .t-ticks { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .t-route { height: auto; }
  .t-route-stick { position: static; height: auto; min-height: 0; align-items: start; }
  .t-steps { display: block; }
  .t-step { clip-path: none; visibility: visible; margin-bottom: 32px; }
  .t-dots { display: none; }
  .t-duo .ghost-srv, .t-duo .drop { clip-path: none; }
  .t-stamp { visibility: visible; transform: rotate(-5deg); }
  .t-punch .door { transform: translateY(-34px); } .t-punch .d2 { transform: translateY(34px); }
}

/* ---------- System requirements (in Beta) ---------- */
.t-req { margin-top: clamp(32px, 4vw, 48px); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.t-req summary { list-style: none; cursor: pointer; padding: 16px 44px 16px 0; font: 600 15px var(--mono); letter-spacing: .02em; position: relative; }
.t-req summary::-webkit-details-marker { display: none; }
.t-req summary::after { content: "+"; position: absolute; right: 8px; top: 50%; transform: translateY(-50%); font: 400 22px var(--mono); }
.t-req[open] summary::after { content: "−"; }
.t-req summary:hover { text-decoration: underline; text-underline-offset: 5px; text-decoration-thickness: 1px; }
.t-req-in { padding: 0 0 24px; }
.t-req table { width: 100%; border-collapse: collapse; font-size: 15px; }
.t-req th, .t-req td { text-align: left; vertical-align: top; padding: 10px 12px 10px 0; border-top: 1px solid var(--ink); }
.t-req thead th { font: 600 13px var(--mono); border-top: 0; }
.t-req tbody th { font-weight: 600; width: 18%; }
.t-req ul { list-style: none; margin-top: 20px; font-size: 15px; }
.t-req li + li { margin-top: 8px; }
.t-req-note { margin-top: 16px; font-size: 13px; }
@media (max-width: 640px) {
  .t-req table, .t-req tbody, .t-req tr { display: block; }
  .t-req thead { display: none; }
  .t-req tbody tr { border-top: 1px solid var(--ink); padding: 10px 0; }
  .t-req tbody th, .t-req td { display: block; width: auto; border: 0; padding: 2px 0; }
  .t-req td:nth-of-type(1)::before { content: "macOS: "; font-weight: 600; }
  .t-req td:nth-of-type(2)::before { content: "Windows: "; font-weight: 600; }
}
.t-req-guide { margin-top: 20px; border: 1px dashed var(--ink); padding: 16px 18px; font-size: 15px; }
.t-req-guide ol { margin: 10px 0 0 20px; }
.t-req-guide li + li { margin-top: 6px; }