:root {
  --bg: #0a0c0b;
  --raise: #111413;
  --raise-2: #171b19;
  --line: rgba(232, 240, 235, 0.08);
  --line-strong: rgba(232, 240, 235, 0.14);
  --fg: #eef2ef;
  --fg-2: rgba(238, 242, 239, 0.64);
  --fg-3: rgba(238, 242, 239, 0.42);
  --moss: #9cc7aa;
  --moss-dim: rgba(156, 199, 170, 0.16);
  --amber: #d9b77a;

  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);

  --sans: "Inter", -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --serif: "Instrument Serif", "Songti SC", "Noto Serif SC", "STSong", serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace;

  --gutter: clamp(16px, 4vw, 40px);
  --max: 1120px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 16px/1.6 var(--sans);
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
svg { fill: currentColor; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
h1, h2, h3, p { margin: 0; }
ul, ol { list-style: none; margin: 0; padding: 0; }

::selection { background: var(--moss-dim); color: var(--fg); }

:focus-visible {
  outline: 2px solid var(--moss);
  outline-offset: 3px;
  border-radius: 6px;
}

em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.005em;
  font-size: 1.06em;
  color: var(--moss);
}
:lang(zh) em { font-style: normal; font-size: 1em; letter-spacing: 0; white-space: nowrap; }

.mono { font-family: var(--mono); font-size: 0.92em; letter-spacing: 0; }

.skip {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--fg);
  color: var(--bg);
  transform: translateY(-160%);
  transition: transform 200ms var(--ease-out);
}
.skip:focus-visible { transform: none; }

/* Nav */

.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
  padding: 0 var(--gutter);
  transition: background-color 300ms ease, border-color 300ms ease;
  border-bottom: 1px solid transparent;
}
.nav[data-scrolled] {
  background: rgba(10, 12, 11, 0.72);
  border-bottom-color: var(--line);
  -webkit-backdrop-filter: saturate(140%) blur(16px);
  backdrop-filter: saturate(140%) blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand img { border-radius: 7px; transition: transform 500ms cubic-bezier(0.34, 1.56, 0.64, 1); }

.nav-links {
  display: flex;
  gap: 4px;
  margin-left: auto;
  font-size: 14px;
  color: var(--fg-2);
}
.nav-links a {
  padding: 6px 10px;
  border-radius: 8px;
  transition: color 160ms ease;
}

.lang {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 3px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  font-size: 12px;
  font-weight: 550;
  color: var(--fg-3);
}
.lang::before {
  content: "";
  position: absolute;
  inset: 3px auto 3px 3px;
  width: calc(50% - 3px);
  border-radius: 999px;
  background: var(--raise-2);
  box-shadow: inset 0 0 0 1px var(--line-strong);
  transition: transform 240ms var(--ease-out);
}
html:lang(zh) .lang::before { transform: translateX(100%); }
.lang span {
  position: relative;
  min-width: 30px;
  padding: 3px 8px;
  text-align: center;
  transition: color 200ms ease;
}
html:lang(en) [data-lang-option="en"],
html:lang(zh) [data-lang-option="zh"] { color: var(--fg); }

/* Buttons */

.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 550;
  letter-spacing: -0.005em;
  transition: transform 160ms var(--ease-out), background-color 200ms ease, border-color 200ms ease;
  -webkit-tap-highlight-color: transparent;
}
.button svg { width: 18px; height: 18px; }
.button:active { transform: scale(0.97); }
.button.primary { background: var(--fg); color: var(--bg); }
.button.ghost { border: 1px solid var(--line-strong); color: var(--fg); }

.text-button, .chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-2);
  transition: color 160ms ease, transform 160ms var(--ease-out), background-color 200ms ease, opacity 200ms ease;
  -webkit-tap-highlight-color: transparent;
}
.text-button svg { width: 14px; height: 14px; }
.text-button:active, .chip:active { transform: scale(0.97); }
.text-button:disabled, .chip:disabled { opacity: 0.4; cursor: default; }
.chip {
  height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--fg);
}

@media (hover: hover) and (pointer: fine) {
  .nav-links a:hover { color: var(--fg); }
  .button.primary:hover { background: #ffffff; }
  .button.ghost:hover { border-color: rgba(232, 240, 235, 0.3); }
  .text-button:not(:disabled):hover { color: var(--fg); }
  .chip:not(:disabled):hover { background: var(--raise-2); }
  .footer a:hover { color: var(--fg); }
  .brand:hover img { transform: rotate(-10deg); }
  .pillar:hover .pillar-icon { transform: rotate(-6deg) translateY(-2px); }
}

/* Hero */

.hero {
  position: relative;
  padding: clamp(120px, 18vh, 168px) var(--gutter) 0;
  text-align: center;
  isolation: isolate;
}

.rain {
  position: absolute;
  inset: 0 0 auto;
  z-index: -1;
  width: 100%;
  height: min(100%, 980px);
  opacity: 0;
  transition: opacity 1600ms ease;
  -webkit-mask-image: linear-gradient(to bottom, #000 40%, transparent 92%);
  mask-image: linear-gradient(to bottom, #000 40%, transparent 92%);
}
.rain[data-ready] { opacity: 1; }

.hero-copy { position: relative; z-index: 1; max-width: 820px; margin: 0 auto; }

.sun {
  position: absolute;
  top: -34vh;
  left: 50%;
  z-index: -2;
  width: min(1500px, 150vw);
  height: 120vh;
  margin-left: calc(min(1500px, 150vw) / -2);
  background: radial-gradient(50% 55% at 50% 34%, rgba(226, 242, 206, 0.12), rgba(156, 199, 170, 0.045) 48%, transparent 72%);
  pointer-events: none;
}
.sun::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-conic-gradient(from 160deg at 50% 18%, transparent 0deg, rgba(222, 240, 205, 0.05) 3deg, transparent 7deg, transparent 13deg);
  -webkit-mask-image: radial-gradient(48% 70% at 50% 18%, #000 20%, transparent 75%);
  mask-image: radial-gradient(48% 70% at 50% 18%, #000 20%, transparent 75%);
  animation: rays 22s ease-in-out infinite alternate;
}
@keyframes rays {
  from { transform: rotate(-2.5deg); }
  to { transform: rotate(2.5deg); }
}
[data-intro] .sun { animation: sunrise 2400ms var(--ease-out) 700ms both; }
@keyframes sunrise {
  from { opacity: 0; transform: scale(0.9) translateY(-4%); }
}

.canopy {
  position: absolute;
  inset: 0 0 auto;
  z-index: 0;
  height: calc(100svh + 160px);
  min-height: 720px;
  overflow-x: clip;
  pointer-events: none;
  opacity: 0;
  transition: opacity 500ms ease-out;
  -webkit-mask-image: linear-gradient(to bottom, #000 calc(100% - 220px), transparent);
  mask-image: linear-gradient(to bottom, #000 calc(100% - 220px), transparent);
}
.canopy[data-ready] { opacity: 1; }
.canopy-layer { position: absolute; inset: 0; will-change: transform; }
.leaf { position: absolute; width: 0; height: 0; transform-origin: 0 0; }
.leaf svg { position: absolute; max-width: none; overflow: visible; will-change: transform; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(17, 20, 19, 0.6);
  font-size: 13px;
  color: var(--fg-2);
}
.kicker-sep { width: 3px; height: 3px; border-radius: 50%; background: var(--fg-3); }

h1 {
  margin-top: 28px;
  font-size: clamp(40px, 6.6vw, 78px);
  font-weight: 560;
  line-height: 1.02;
  letter-spacing: -0.04em;
  text-wrap: balance;
}
:lang(zh) h1 { letter-spacing: -0.02em; line-height: 1.12; font-weight: 600; }

.lede {
  max-width: 560px;
  margin: 24px auto 0;
  font-size: clamp(16px, 1.6vw, 18px);
  color: var(--fg-2);
  text-wrap: pretty;
}

.cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 36px;
}
.cta-note { margin-top: 16px; font-size: 13px; color: var(--fg-3); }

.shot {
  position: relative;
  z-index: 1;
  max-width: 1040px;
  margin: clamp(56px, 9vh, 88px) auto 0;
}
.shot::before {
  content: "";
  position: absolute;
  inset: 12% 8% -6%;
  z-index: -1;
  background: radial-gradient(50% 50% at 50% 50%, rgba(156, 199, 170, 0.16), transparent 70%);
  filter: blur(40px);
}
.preview-window {
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: #f8f9fa;
  border-radius: clamp(8px, 1.1vw, 13px);
  box-shadow:
    0 0 0 1px rgba(232, 240, 235, 0.1),
    0 40px 100px -30px rgba(0, 0, 0, 0.9),
    0 12px 32px -12px rgba(0, 0, 0, 0.6);
}

.preview-window iframe {
  display: block;
  width: 1080px;
  height: 720px;
  border: 0;
  transform-origin: top left;
}
.shot figcaption {
  margin-top: 20px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

/* Entrance + reveal */

.enter {
  animation: enter 900ms var(--ease-out) both;
  animation-delay: calc(120ms + var(--i, 0) * 70ms);
}
[data-intro] .enter { animation-delay: calc(860ms + var(--i, 0) * 70ms); }
.shot.enter { animation-duration: 1200ms; }
@keyframes enter {
  from { opacity: 0; transform: translateY(12px); filter: blur(6px); }
}

.reveal {
  transition:
    opacity 800ms var(--ease-out),
    transform 800ms var(--ease-out),
    filter 800ms var(--ease-out);
  transition-delay: calc(var(--i, 0) * 60ms);
}
.js .reveal:not([data-shown]) {
  opacity: 0;
  transform: translateY(16px);
  filter: blur(4px);
}

/* Sections */

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(96px, 14vw, 160px) var(--gutter) 0;
}

.eyebrow {
  font-size: 13px;
  font-weight: 550;
  letter-spacing: 0.02em;
  color: var(--moss);
}

h2 {
  margin-top: 14px;
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 560;
  line-height: 1.08;
  letter-spacing: -0.032em;
  text-wrap: balance;
}
:lang(zh) h2 { letter-spacing: -0.01em; line-height: 1.2; }

.section-lede {
  max-width: 520px;
  margin-top: 18px;
  color: var(--fg-2);
  text-wrap: pretty;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 64px;
  border-top: 1px solid var(--line);
}
.pillar {
  padding: 28px 28px 0 0;
}
.pillar + .pillar { padding-left: 28px; border-left: 1px solid var(--line); }
.pillar-icon {
  display: grid;
  transition: transform 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--raise-2);
  box-shadow: inset 0 0 0 1px var(--line);
  color: var(--fg);
}
.pillar-icon svg { width: 18px; height: 18px; }
.pillar h3 { margin-top: 20px; font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
.pillar p { margin-top: 8px; font-size: 14.5px; color: var(--fg-2); }

.split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}
.split.reverse .section-head { order: 2; }
.split.reverse .demo { order: 1; }

.details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 40px;
  margin-top: 56px;
}
.details li { padding: 24px 0 32px; border-top: 1px solid var(--line); }
.details h3 { font-size: 15.5px; font-weight: 600; letter-spacing: -0.01em; }
.details p { margin-top: 6px; font-size: 14.5px; color: var(--fg-2); }

/* Demos */

.demo {
  position: relative;
  isolation: isolate;
  overflow: clip;
  border-radius: 18px;
  background: var(--raise);
  box-shadow: inset 0 0 0 1px var(--line), 0 30px 80px -40px rgba(0, 0, 0, 0.8);
}

.oneway {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 48px minmax(0, 1fr);
  padding: 20px;
}
.pane { display: flex; flex-direction: column; min-width: 0; }
.pane-title {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 2px 4px 12px;
  font-size: 12.5px;
  font-weight: 550;
  color: var(--fg-3);
}
.pane-title svg { width: 15px; height: 15px; }
.pane .text-button { align-self: flex-start; margin: 10px 4px 0; }

.files { display: flex; flex-direction: column; }
.row {
  display: grid;
  grid-template-rows: 1fr;
  transition: grid-template-rows 320ms var(--ease-out), opacity 200ms ease;
  @starting-style { grid-template-rows: 0fr; opacity: 0; }
}
.row[data-gone] { grid-template-rows: 0fr; opacity: 0; transition-duration: 260ms, 140ms; }
.row-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 0;
  overflow: hidden;
  padding: 0 4px;
}
.row-body {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-width: 0;
  height: 44px;
  border-bottom: 1px solid var(--line);
}
.files .row:last-child .row-body { border-bottom-color: transparent; }

.thumb {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: var(--thumb);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}
.file-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--fg);
}
.row[data-pending] .file-name { color: var(--fg-3); }
.row[data-pending] .thumb { opacity: 0.35; }
.row .thumb, .row .file-name { transition: opacity 300ms ease, color 300ms ease; }

.icon-button {
  display: grid;
  place-items: center;
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  color: var(--fg-3);
  transition: color 160ms ease, background-color 160ms ease, transform 160ms var(--ease-out), opacity 160ms ease;
}
.icon-button svg { width: 15px; height: 15px; }
.icon-button:active { transform: scale(0.92); }
@media (hover: hover) and (pointer: fine) {
  .icon-button { opacity: 0; }
  .row-inner:hover .icon-button, .icon-button:focus-visible { opacity: 1; }
  .icon-button:hover { color: var(--fg); background: var(--raise-2); }
}

.badge {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--fg-3);
  transition: opacity 300ms ease, color 300ms ease;
}
.badge svg { width: 14px; height: 14px; }
.badge[data-kept] { color: var(--moss); }
.badge-label {
  transition: opacity 300ms var(--ease-out), transform 300ms var(--ease-out);
  @starting-style { opacity: 0; transform: translateX(4px); }
}

.flow {
  position: relative;
  align-self: stretch;
  margin: 36px 0 30px;
}
.flow-line {
  position: absolute;
  top: 50%;
  left: 6px;
  right: 6px;
  height: 1px;
  background-image: linear-gradient(to right, var(--line-strong) 50%, transparent 50%);
  background-size: 6px 1px;
}
.flow-line::after {
  content: "";
  position: absolute;
  right: -1px;
  top: -3px;
  width: 7px;
  height: 7px;
  border-top: 1px solid var(--fg-3);
  border-right: 1px solid var(--fg-3);
  transform: rotate(45deg);
}
.flow-drop {
  position: absolute;
  top: calc(50% - 3px);
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--moss);
  box-shadow: 0 0 12px var(--moss);
  opacity: 0;
}

.demo-status {
  grid-column: 1 / -1;
  margin-top: 16px;
  padding: 14px 4px 0;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--fg-3);
  min-height: 2lh;
}
.demo-status[data-tone="ok"] { color: var(--moss); }

.glow {
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  width: 420px;
  height: 420px;
  margin: -210px 0 0 -210px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(170, 214, 184, 0.09), rgba(170, 214, 184, 0.03) 55%, transparent);
  pointer-events: none;
  opacity: 0;
  transition: opacity 400ms ease;
}
.demo[data-lit] .glow { opacity: 1; }


/* Queue demo */

.queue { padding: 8px 20px 12px; }
.queue-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 56px;
  border-bottom: 1px solid var(--line);
}
.queue-state {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--fg-2);
}
.queue-state::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--state-color, var(--fg-3));
  transition: background-color 300ms ease;
}
.queue[data-phase="running"] { --state-color: var(--moss); }
.queue[data-phase="quit"] { --state-color: #6d726f; }
.queue[data-phase="reconcile"] { --state-color: var(--amber); }
.queue[data-phase="done"] { --state-color: var(--moss); }

.qrow {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) auto;
  align-items: center;
  column-gap: 12px;
  height: 56px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.qrow:last-child { border-bottom: 0; }
.qrow .file-name { font-size: 12.5px; }
.qmeta { font-size: 12px; color: var(--fg-3); white-space: nowrap; text-align: right; }
.qrow[data-state="confirmed"] .qmeta,
.qrow[data-state="verified"] .qmeta { color: var(--moss); }
.qrow[data-state="unconfirmed"] .qmeta,
.qrow[data-state="checking"] .qmeta { color: var(--amber); }

.qicon { position: relative; width: 18px; height: 18px; color: var(--fg-3); }
.qicon svg { position: absolute; inset: 0; width: 18px; height: 18px; transition: opacity 200ms ease, transform 300ms var(--ease-out), filter 200ms ease; }
.qicon svg:not([data-show]) { opacity: 0; transform: scale(0.6); filter: blur(2px); }
.qrow[data-state="running"] .qicon,
.qrow[data-state="confirmed"] .qicon,
.qrow[data-state="verified"] .qicon { color: var(--moss); }
.qrow[data-state="unconfirmed"] .qicon,
.qrow[data-state="checking"] .qicon { color: var(--amber); }
.qicon .spin { animation: spin 900ms linear infinite; }
@keyframes spin { to { rotate: 360deg; } }

.qbar {
  position: absolute;
  left: 34px;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: var(--moss);
  transform-origin: left;
  transform: scaleX(0);
}
.qrow[data-state="unconfirmed"] .qbar,
.qrow[data-state="checking"] .qbar { background: var(--amber); }
.qrow[data-state="confirmed"] .qbar,
.qrow[data-state="verified"] .qbar { opacity: 0; transition: opacity 600ms ease; }

/* Closing */

.closing {
  position: relative;
  overflow: clip;
  padding: clamp(120px, 16vw, 200px) var(--gutter) clamp(96px, 12vw, 140px);
  text-align: center;
}
.closing-inner { position: relative; z-index: 3; max-width: 640px; margin: 0 auto; }
.closing .canopy { inset: 0; height: auto; min-height: 0; -webkit-mask-image: none; mask-image: none; }
.closing .section-lede { margin: 18px auto 0; }

.mark { width: 64px; height: 64px; margin: 0 auto 28px; }
.mark-leaf { fill: rgba(156, 199, 170, 0.07); stroke: rgba(156, 199, 170, 0.32); stroke-width: 1; }
.mark-vein, .mark-head {
  fill: none;
  stroke: var(--moss);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}
.closing-inner[data-shown] .mark-vein { transition: stroke-dashoffset 900ms var(--ease-in-out) 200ms; stroke-dashoffset: 0; }
.closing-inner[data-shown] .mark-head { transition: stroke-dashoffset 500ms var(--ease-out) 1000ms; stroke-dashoffset: 0; }

/* Footer */

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px 32px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px var(--gutter) 40px;
  font-size: 13px;
  color: var(--fg-3);
  position: relative;
}
.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--gutter);
  right: var(--gutter);
  border-top: 1px solid var(--line);
}
.footer p:first-child { max-width: 520px; }
.footer-links { display: flex; gap: 20px; }
.footer a { transition: color 160ms ease; }

/* Responsive */

@media (max-width: 900px) {
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .pillar:nth-child(3) { padding-left: 0; border-left: 0; }
  .pillar:nth-child(n + 3) { margin-top: 32px; border-top: 1px solid var(--line); }
  .split { grid-template-columns: 1fr; }
  .split.reverse .section-head { order: 0; }
  .details { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .lang { margin-left: auto; }
  .kicker { font-size: 12px; }
  .kicker-sep, .kicker .mono { display: none; }
  .pillars { grid-template-columns: 1fr; }
  .pillar, .pillar + .pillar { padding: 24px 0 0; border-left: 0; }
  .pillar + .pillar { margin-top: 24px; border-top: 1px solid var(--line); }
  .details { grid-template-columns: 1fr; }
  .oneway { grid-template-columns: 1fr; padding: 16px; }
  .flow { height: 40px; margin: 8px 0; }
  .flow-line { top: 0; bottom: 0; left: 50%; right: auto; width: 1px; height: auto; background-image: linear-gradient(to bottom, var(--line-strong) 50%, transparent 50%); background-size: 1px 6px; }
  .flow-line::after { top: auto; bottom: -1px; right: -3px; transform: rotate(135deg); }
  .flow-drop { left: calc(50% - 3px); top: 0; }
  .queue { padding: 4px 16px 8px; }
  .footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .enter { animation-name: fade; animation-duration: 400ms; }
  @keyframes fade { from { opacity: 0; } }
  .js .reveal:not([data-shown]) { transform: none; filter: none; }
  .sun::after { animation: none; }
  .qicon .spin { animation: none; }
  .qicon svg:not([data-show]) { transform: none; filter: none; }
  .badge-label { transition-property: opacity; }
  .mark-vein, .mark-head { stroke-dashoffset: 0; transition: none !important; }
}