/* Team MUME 梅花 · v2, the night tunnel.
   Every chapter lives on the wind tunnel's navy and is lit by the plum. Palette and type are still the proposal's:
   navy, rose, plum and pink; Archivo, IBM Plex Mono, Noto Serif TC. The wind-tunnel block below is unchanged from v1. */

:root {
  --navy: #0b1a44; --navy-deep: #060e2b; --navy-ink: #040a20; --navy-2: #14275d; --navy-3: #1c3270; --navy-line: #2a3c72; --navy-muted: #a6b0cf;
  --plum: #a42c3c; --rose: #d46475; --pink: #e59ea9; --pink-hi: #f2bcc4; --blush: #f4d3d7;
  --ink: #ffffff; --ink-2: #dfe4f5; --ink-3: #c5cce6; --ink-4: #9ea9cc;
  --edge: rgba(166, 176, 207, 0.16); --edge-2: rgba(166, 176, 207, 0.26); --edge-pink: rgba(229, 158, 169, 0.4);

  --sc-canvas: var(--navy-deep); --sc-surface: var(--navy-2);
  --sc-ink: #ffffff; --sc-ink-soft: var(--ink-3);
  --sc-accent: var(--pink); --sc-accent-ink: var(--navy-deep);
  --sc-font-display: "Archivo", "Noto Sans TC", system-ui, sans-serif;
  --sc-font-text: "Archivo", "Noto Sans TC", system-ui, sans-serif;
  --sc-font-mono: "IBM Plex Mono", "Noto Sans TC", ui-monospace, monospace;
  --serif-zh: "Noto Serif TC", "Songti TC", serif;
  --sc-shadow-color: 230 80% 3%;
  --sc-maxw: 84rem;
  --wide: "wdth" 112;
  --hdr-h: 64px; --trk-h: 14px;
  color-scheme: dark;
}
html { scroll-padding-top: calc(var(--hdr-h) + var(--trk-h) + 12px); background: var(--navy-deep); }
body { margin: 0; background: var(--navy-deep); color: var(--ink-2); font-size: clamp(1rem, 0.97rem + 0.2vw, 1.0625rem); line-height: 1.62; font-variation-settings: "wdth" 100; -webkit-font-smoothing: antialiased; }
html[lang="zh-Hant"] body { line-height: 1.85; letter-spacing: 0.02em; }
p { margin: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: 800; color: #fff; }
::selection { background: var(--rose); color: #fff; }
.num { font-variant-numeric: tabular-nums; }
.small { font-size: var(--sc-t-xs); color: var(--ink-4); line-height: 1.55; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--pink); outline-offset: 3px; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--pink); color: var(--navy-deep); padding: 10px 14px; border-radius: 8px; font-weight: 700; }
.skip:focus { top: 12px; }

/* --------------------------------------------------------------------------------------------- type, links, buttons */
.kicker { font: 600 var(--sc-t-xs)/1.4 var(--sc-font-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--pink); }
html[lang="zh-Hant"] .kicker { letter-spacing: 0.22em; }
.kicker--pink { color: var(--pink); }
.kicker__tag { font: 900 1.3em/1 var(--serif-zh); letter-spacing: 0.08em; color: var(--rose); text-transform: none; }
.kicker__tag:lang(en) { font: 600 0.92em/1 var(--sc-font-mono); letter-spacing: 0.2em; color: var(--navy-muted); text-transform: uppercase; }

.head { margin-bottom: clamp(2rem, 4vw, 3.4rem); }
.h2 { margin-top: 0.42em; font: 800 clamp(2.3rem, 1.15rem + 3.7vw, 4.7rem)/0.98 var(--sc-font-display); font-variation-settings: var(--wide); letter-spacing: -0.032em; color: #fff; text-wrap: balance; max-width: 15ch; }
.h2--sm { font-size: clamp(1.9rem, 1.1rem + 2.4vw, 3.2rem); max-width: 18ch; }
html[lang="zh-Hant"] .h2 { font-weight: 900; letter-spacing: 0.03em; line-height: 1.16; max-width: 13em; word-break: keep-all; overflow-wrap: anywhere; }
.lede { margin-top: 1.1rem; max-width: 46ch; color: var(--ink-3); font-size: var(--sc-t-lg); line-height: 1.5; }
html[lang="zh-Hant"] .lede { max-width: 28em; line-height: 1.75; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.7em; padding: 1em 1.45em; border: 0; border-radius: 999px; cursor: pointer;
  background: var(--pink); color: var(--navy-deep); font: 700 0.98rem/1 var(--sc-font-display); text-decoration: none; white-space: nowrap;
  box-shadow: 0 14px 32px -14px rgba(229, 158, 169, 0.75), inset 0 1px 0 rgba(255, 255, 255, 0.5);
  transition: background 180ms var(--sc-ease-out), transform 180ms var(--sc-ease-out), box-shadow 180ms var(--sc-ease-out);
}
.btn span { display: inline-block; transition: transform 200ms var(--sc-ease-out); }
.link { color: var(--ink-2); font-weight: 600; text-decoration: underline; text-decoration-thickness: 1.5px; text-decoration-color: rgba(229, 158, 169, 0.55); text-underline-offset: 0.32em; transition: color 160ms, text-decoration-color 160ms; }
.chip {
  font: 600 11.5px/1 var(--sc-font-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-2); cursor: pointer;
  background: rgba(20, 39, 93, 0.6); border: 1px solid var(--edge-2); padding: 11px 15px; border-radius: 999px;
  transition: border-color 160ms, color 160ms, background 160ms, transform 160ms var(--sc-ease-out);
}
html[lang="zh-Hant"] .chip { font-family: var(--sc-font-text); font-size: 13px; letter-spacing: 0.08em; }
.chip[aria-pressed="true"] { background: var(--pink); border-color: var(--pink); color: var(--navy-deep); }
.chip:active, .btn:active { transform: translateY(1px) scale(0.985); }
@media (hover: hover) and (pointer: fine) {
  .btn:hover { background: var(--pink-hi); transform: translateY(-1px); box-shadow: 0 18px 38px -14px rgba(229, 158, 169, 0.85), inset 0 1px 0 rgba(255, 255, 255, 0.5); }
  .btn:hover span { transform: translateX(4px); }
  .link:hover { color: #fff; text-decoration-color: var(--pink); }
  .chip:hover { border-color: var(--edge-pink); color: #fff; }
}

/* --------------------------------------------------------------------------------------------- the header */
.hdr { position: fixed; z-index: 80; inset: 0 0 auto 0; color: #fff; pointer-events: none; transition: transform 420ms var(--sc-ease-out); }
.hdr > * { pointer-events: auto; }
.hdr__bar { position: relative; z-index: 2; height: var(--hdr-h); display: flex; align-items: center; gap: clamp(12px, 1.6vw, 26px); padding-inline: clamp(14px, 2.2vw, 30px); }
.hdr__bar::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity 360ms var(--sc-ease-out);
  background: linear-gradient(180deg, rgba(6, 14, 43, 0.92), rgba(6, 14, 43, 0.78));
  -webkit-backdrop-filter: blur(16px) saturate(1.4); backdrop-filter: blur(16px) saturate(1.4);
}
.hdr.is-solid .hdr__bar::before, .hdr.is-open .hdr__bar::before { opacity: 1; }
.hdr__brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: #fff; flex: none; }
.hdr__mark { position: relative; width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; flex: none;
  background: radial-gradient(circle at 50% 42%, rgba(229, 158, 169, 0.2), rgba(229, 158, 169, 0) 68%); box-shadow: inset 0 0 0 1px rgba(229, 158, 169, 0.32);
  transition: transform 600ms var(--sc-ease-out), box-shadow 300ms; }
.hdr__mark img { width: 31px; height: 31px; display: block; }
.hdr__name { font: 800 15px/1 var(--sc-font-display); font-variation-settings: var(--wide); letter-spacing: 0.005em; white-space: nowrap; }
.hdr__name span { font: 900 15px/1 var(--serif-zh); color: var(--pink); margin-left: 7px; letter-spacing: 0.08em; }
.hdr__nav { position: relative; display: flex; gap: clamp(14px, 1.7vw, 28px); margin-left: clamp(6px, 1.8vw, 26px); }
.hdr__nav a { position: relative; padding: 12px 0; font: 600 11.5px/1 var(--sc-font-mono); letter-spacing: 0.15em; text-transform: uppercase; color: var(--ink-4); text-decoration: none; white-space: nowrap; transition: color 220ms; }
html[lang="zh-Hant"] .hdr__nav a { font: 600 14px/1 var(--sc-font-text); letter-spacing: 0.14em; }
.hdr__nav a.is-on { color: #fff; }
.hdr__ink { position: absolute; left: 0; bottom: 3px; width: 100px; height: 2px; border-radius: 2px; transform-origin: 0 50%; transform: scaleX(0); opacity: 0;
  background: linear-gradient(90deg, var(--rose), var(--pink)); box-shadow: 0 0 12px rgba(229, 158, 169, 0.85);
  transition: transform 520ms var(--sc-ease-out), opacity 300ms var(--sc-ease-out); }
/* the race clock as a launch countdown: black panel, hairline frame, tracked caps, T-minus digits that roll over */
.hdr__live { margin-left: auto; display: flex; align-items: center; gap: clamp(14px, 1.9vw, 32px); height: 40px; padding: 0 16px; border-radius: 6px; white-space: nowrap;
  background: transparent; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.3);
  font: 500 12.5px/1 "Barlow Semi Condensed", var(--sc-font-display); letter-spacing: 0.2em; text-transform: uppercase; color: #d9dde7; }
html[lang="zh-Hant"] .hdr__live { font: 500 12.5px/1 "Barlow Semi Condensed", var(--sc-font-text); letter-spacing: 0.18em; }
.hdr__time { display: flex; align-items: center; font: 500 19px/1 "Barlow Semi Condensed", var(--sc-font-display); letter-spacing: 0; color: #fff; text-transform: none; font-variant-numeric: tabular-nums; }
.hdr__time .dg, .hdr__time .sep { position: relative; display: inline-block; height: 1.2em; line-height: 1.2em; overflow: hidden; text-align: center; }
.hdr__time .dg { width: 0.64em; }
.hdr__time .sep { padding: 0 0.05em; }
.hdr__time i { display: block; font-style: normal; }
.hdr__time i.in { animation: dg-in 460ms var(--sc-ease-out); }
.hdr__time i.out { position: absolute; left: 0; right: 0; top: 0; animation: dg-out 460ms var(--sc-ease-out) forwards; }
@keyframes dg-in { from { transform: translateY(100%); } to { transform: none; } }
@keyframes dg-out { to { transform: translateY(-100%); opacity: 0; } }
.hdr__live.is-text .hdr__time { font-size: 14px; letter-spacing: 0.16em; text-transform: uppercase; }
.hdr__lang { flex: none; padding: 9px 11px; border-radius: 999px; font: 600 12px/1 var(--sc-font-mono); letter-spacing: 0.06em; color: var(--ink-2); text-decoration: none; box-shadow: inset 0 0 0 1px var(--edge-2); transition: box-shadow 160ms, color 160ms; }
.hdr__cta { flex: none; padding: 12px 17px; border-radius: 999px; font: 700 13px/1 var(--sc-font-display); color: var(--navy-deep); background: var(--pink); text-decoration: none; white-space: nowrap;
  box-shadow: 0 10px 26px -12px rgba(229, 158, 169, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.5); transition: background 180ms, transform 180ms var(--sc-ease-out); }
.hdr__menu { display: none; width: 44px; height: 44px; margin-right: -6px; border: 0; border-radius: 50%; background: transparent; color: #fff; cursor: pointer; place-items: center; }
.hdr__burger { position: relative; width: 20px; height: 12px; display: block; }
.hdr__burger i { position: absolute; left: 0; right: 0; height: 2px; border-radius: 2px; background: currentColor; transition: transform 320ms var(--sc-ease-out), top 320ms var(--sc-ease-out); }
.hdr__burger i:first-child { top: 0; } .hdr__burger i:last-child { top: 10px; }
.hdr.is-open .hdr__burger i:first-child { top: 5px; transform: rotate(45deg); }
.hdr.is-open .hdr__burger i:last-child { top: 5px; transform: rotate(-45deg); }
@media (hover: hover) and (pointer: fine) {
  .hdr__brand:hover .hdr__mark { transform: rotate(-30deg) scale(1.06); box-shadow: inset 0 0 0 1px var(--pink); }
  .hdr__nav a:hover { color: #fff; }
  .hdr__lang:hover { color: #fff; box-shadow: inset 0 0 0 1px var(--pink); }
  .hdr__cta:hover { background: var(--pink-hi); transform: translateY(-1px); }
}

/* the page is the 20 m track: the car runs to the finish as you read */
.hdr__track { position: relative; z-index: 2; height: var(--trk-h); margin-inline: clamp(14px, 2.2vw, 30px); }
.hdr__track::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: rgba(166, 176, 207, 0.24); }
.hdr__ticks { position: absolute; inset: 0 0 auto 0; height: 8px; display: flex; justify-content: space-between; }
.hdr__ticks i { width: 1px; height: 4px; background: rgba(166, 176, 207, 0.4); }
.hdr__ticks i.m { height: 7px; background: rgba(229, 158, 169, 0.65); }
.hdr__ticks i:last-child { width: 3px; height: 9px; background: repeating-linear-gradient(180deg, #fff 0 3px, var(--navy-deep) 3px 6px); }
.hdr__fill { position: absolute; left: 0; top: -0.5px; width: 100%; height: 2px; transform-origin: 0 50%; transform: scaleX(0);
  background: linear-gradient(90deg, rgba(212, 100, 117, 0), var(--rose) 18%, var(--pink)); box-shadow: 0 0 10px rgba(229, 158, 169, 0.7); }
.hdr__car { position: absolute; left: 0; top: -19px; width: 84px; height: 19px; will-change: transform; }
.hdr__car svg { display: block; width: 100%; height: 100%; fill: #fff; filter: drop-shadow(0 0 3px rgba(229, 158, 169, 0.75)); }
.hdr__car .rw, .strip__puck .rw { fill: var(--navy-deep); }
.hdr__car .rh, .strip__puck .rh { fill: #fff; }

.menu {
  position: fixed; inset: 0; z-index: 1; overflow: auto; display: flex; flex-direction: column; gap: 2px;
  padding: calc(var(--hdr-h) + var(--trk-h) + 22px) clamp(20px, 6vw, 48px) calc(28px + env(safe-area-inset-bottom));
  background: rgba(6, 14, 43, 0.97); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
}
.menu > a { display: flex; align-items: baseline; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--edge); color: #fff; text-decoration: none;
  font: 800 clamp(1.9rem, 7.5vw, 2.8rem)/1.1 var(--sc-font-display); font-variation-settings: var(--wide); letter-spacing: -0.02em; }
html[lang="zh-Hant"] .menu > a { font-weight: 900; letter-spacing: 0.06em; }
.menu > a span { font: 600 12px/1 var(--sc-font-mono); letter-spacing: 0.12em; color: var(--pink); }
.menu__foot { margin-top: auto; padding-top: 28px; display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; }
.menu__foot a { color: var(--ink-2); font: 600 13px/1 var(--sc-font-mono); letter-spacing: 0.08em; }
.menu__foot .menu__cta { padding: 15px 20px; border-radius: 999px; background: var(--pink); color: var(--navy-deep); font: 700 15px/1 var(--sc-font-display); text-decoration: none; }

@media (max-width: 1180px) { .hdr__lbl { display: none; } }
@media (max-width: 1080px) {
  .hdr__nav, .hdr__cta, .hdr__lang { display: none; }
  .hdr__menu { display: grid; }
}
@media (max-width: 860px) {
  :root { --hdr-h: 58px; }
  .hdr.is-tucked:not(.is-open) { transform: translateY(calc(-1 * var(--hdr-h))); }
  .hdr__track { background: linear-gradient(180deg, rgba(6, 14, 43, 0.75), rgba(6, 14, 43, 0)); margin-inline: 0; padding-inline: 14px; }
  .hdr__track::before, .hdr__ticks, .hdr__fill { left: 14px; right: 14px; width: auto; }
  .hdr__fill { width: calc(100% - 28px); }
  .hdr__live { height: 36px; padding: 0 12px; }
  .hdr__time { font-size: 17px; }
}
@media (max-width: 440px) { .hdr__name span { display: none; } .hdr__mark { width: 36px; height: 36px; } .hdr__mark img { width: 28px; height: 28px; } .hdr__bar { gap: 10px; } }

/* --------------------------------------------------------------------------------------------- 00 cover */
.hero { position: relative; isolation: isolate; overflow: clip; min-height: 100svh; min-height: max(100svh, 640px); display: flex; flex-direction: column; justify-content: flex-end;
  padding: calc(var(--hdr-h) + var(--trk-h) + 4vh) 0 clamp(1.5rem, 4vh, 3rem); }
.hero__sky { position: absolute; inset: 0; z-index: -4;
  background:
    radial-gradient(40% 50% at 84% 18%, rgba(164, 44, 60, 0.45), rgba(164, 44, 60, 0) 72%),
    radial-gradient(55% 55% at 6% 96%, rgba(28, 50, 112, 0.9), rgba(28, 50, 112, 0) 72%),
    radial-gradient(70% 40% at 62% 104%, rgba(212, 100, 117, 0.16), rgba(212, 100, 117, 0) 70%),
    linear-gradient(180deg, #040a20 0%, #07113a 52%, #0b1a44 100%); }
.hero__sky::after { content: ""; position: absolute; inset: 0; opacity: 0.55;
  background-image: linear-gradient(rgba(166, 176, 207, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(166, 176, 207, 0.05) 1px, transparent 1px);
  background-size: 64px 64px; -webkit-mask-image: radial-gradient(80% 70% at 70% 60%, #000, transparent); mask-image: radial-gradient(80% 70% at 70% 60%, #000, transparent); }
/* the car: a photoreal render of C10 made from the CAD side view, placed on the CAD frame inside the real Fluent
   streamlines. --L is the car's on-screen length; the box is the streamline frame (572 x 96 mm) scaled to it. */
.hero { --L: clamp(480px, 50vw, 1000px); }
.hero__air { position: absolute; z-index: -2; width: calc(var(--L) * 2.3774); aspect-ratio: 572 / 96; right: calc(3vw - var(--L) * 0.3716);
  bottom: calc(clamp(1.5rem, 4vh, 3rem) + 10.6rem - var(--L) * 0.0249); pointer-events: none; }
.hero__air > div { width: 100%; height: 100%; }
.air__svg { display: block; width: 100%; height: 100%; overflow: visible; }
.air__l { fill: none; stroke: rgba(166, 176, 207, 0.22); stroke-width: 1; vector-effect: non-scaling-stroke; stroke-linecap: round; }
.air__l--near { stroke: rgba(229, 158, 169, 0.55); stroke-dasharray: 3 13; animation: air-flow 1.4s linear infinite; animation-delay: calc(var(--d) * -1.4s); }
@keyframes air-flow { to { stroke-dashoffset: -16; } }
.air__ground { stroke-width: 1; vector-effect: non-scaling-stroke; }
/* the airflow lines are no longer drawn; they only steer the petals */
.air__lines { visibility: hidden; }

.hero__bough { position: absolute; z-index: -3; top: calc(var(--hdr-h) + var(--trk-h) - 6px); right: 0; width: min(86vw, 1560px); pointer-events: none; }
.hero__bough img { display: block; width: 100%; height: auto; }
.hero__petals { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; pointer-events: none; }
.hero__copy { position: relative; z-index: 2; margin-bottom: clamp(2rem, 6vh, 4.2rem); }
.hero__h1 { margin: 0.34em 0 0.3em; color: #fff; font: 800 clamp(3rem, 1.4rem + 4.9vw, 6.6rem)/0.96 var(--sc-font-display); font-variation-settings: var(--wide); letter-spacing: -0.035em; }
.hero__zh { margin-left: 0.1em; font: 900 0.56em/1 var(--serif-zh); letter-spacing: 0.04em; color: var(--pink); white-space: nowrap; }
.hero__deck { max-width: 34ch; color: var(--ink-2); font-size: clamp(1.05rem, 0.95rem + 0.35vw, 1.25rem); line-height: 1.55; text-wrap: pretty; }
html[lang="zh-Hant"] .hero__deck { max-width: 24em; line-height: 1.75; }
.hero__cta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 26px; margin-top: 1.7rem; }
.hero__strip { position: relative; z-index: 2; margin-block: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(14px, 2.6vw, 42px); }
.hero__strip > div { position: relative; padding-top: 12px; border-top: 1px solid var(--navy-line); }
.hero__strip > div::before { content: ""; position: absolute; left: 0; top: -1px; width: 22px; height: 1px; background: var(--pink); }
.hero__strip dt { margin-bottom: 10px; font: 500 10.5px/1.3 var(--sc-font-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--navy-muted); }
html[lang="zh-Hant"] .hero__strip dt { font: 500 12.5px/1.3 var(--sc-font-text); letter-spacing: 0.12em; }
.hero__strip dd { margin: 0; display: grid; gap: 6px; }
.hero__big { font: 800 clamp(1.6rem, 1.15rem + 1.4vw, 2.5rem)/1 var(--sc-font-display); font-variation-settings: var(--wide); letter-spacing: -0.02em; color: #fff; }
.hero__big small { margin-left: 0.5em; font: 600 0.36em/1 var(--sc-font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--pink); }
.hero__t { max-width: 32ch; font-size: 13.5px; line-height: 1.45; color: var(--ink-4); }
@media (max-width: 1180px) {
  /* stacked: the car sits under the header, the words below it */
  .hero { --L: 72vw; justify-content: flex-start; padding-top: calc(var(--hdr-h) + var(--trk-h) + var(--L) * 0.47); }
  .hero__air { right: calc(5vw - var(--L) * 0.3716); top: calc(var(--hdr-h) + var(--trk-h)); bottom: auto; }
  .hero__copy { margin-bottom: 2.4rem; }
}
@media (max-width: 760px) {
  .hero { --L: 90vw; min-height: 0; padding-bottom: 2.2rem; }
  .hero__bough { width: 100vw; }
  .hero__h1 { font-size: clamp(2.5rem, 11.5vw, 3.4rem); }
  .hero__t { display: none; }
  .hero__strip { gap: 12px; }
}

/* --------------------------------------------------------------------------------------------- sections */
.sec { position: relative; padding-block: clamp(5rem, 10vw, 9.5rem); overflow: clip; }
.cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1.5rem, 4vw, 4.5rem); max-width: 70rem; color: var(--ink-3); }
@media (max-width: 760px) { .cols { grid-template-columns: 1fr; } }

/* readouts: the tunnel's instrument language, everywhere */
.readouts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 3vw, 46px); }
.readouts--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.readouts > div { position: relative; padding-top: 14px; border-top: 1px solid var(--navy-line); }
.readouts > div::before { content: ""; position: absolute; left: 0; top: -1px; width: 30px; height: 2px; background: linear-gradient(90deg, var(--rose), var(--pink)); }
.ro__v { font: 800 clamp(2.2rem, 1.45rem + 2.1vw, 3.5rem)/1 var(--sc-font-display); font-variation-settings: var(--wide); letter-spacing: -0.025em; color: #fff; font-variant-numeric: tabular-nums; white-space: nowrap; }
.ro__v small { margin-left: 0.4em; font: 600 0.32em/1 var(--sc-font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--pink); }
html[lang="zh-Hant"] .ro__v small { font-family: var(--sc-font-text); font-size: 0.36em; }
.ro__t { margin-top: 10px; max-width: 30ch; font-size: 14px; line-height: 1.5; color: var(--ink-4); }
@media (max-width: 980px) { .readouts--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 28px; } }
@media (max-width: 620px) {
  .readouts { grid-template-columns: 1fr; gap: 18px; }
  .readouts--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .readouts:not(.readouts--4) > div { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 16px; }
  .readouts:not(.readouts--4) .ro__t { margin: 0; }
}

/* --------------------------------------------------------------------------------------------- 01 the race: 20 m at real speed */
.race { background: linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 26%, var(--navy-deep) 100%); }
.strip { position: relative; margin: clamp(2.5rem, 5vw, 4.5rem) 0 clamp(3rem, 6vw, 5rem); }
.strip__stage { position: relative; height: clamp(220px, 30vw, 440px); perspective: 1100px; perspective-origin: 50% -20%; overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%); mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%); }
.strip__stage::before { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 70% at 50% 100%, rgba(28, 50, 112, 0.7), rgba(28, 50, 112, 0) 70%); }
.strip__track { position: absolute; left: 7%; right: 7%; bottom: 7%; height: 94%; transform-origin: 50% 100%; transform: rotateX(63deg); transform-style: preserve-3d; border-radius: 10px;
  background: linear-gradient(180deg, rgba(20, 39, 93, 0.2), rgba(20, 39, 93, 0.85)); box-shadow: inset 0 0 0 1px rgba(166, 176, 207, 0.22), 0 0 60px rgba(212, 100, 117, 0.08); }
.strip__lane { position: absolute; left: 0; right: 0; height: 30%; background: rgba(6, 14, 43, 0.6); box-shadow: inset 0 0 0 1px rgba(166, 176, 207, 0.14); }
.strip__lane--a { top: 15%; } .strip__lane--b { top: 55%; }
.strip__wire { position: absolute; left: 0; right: 0; top: 50%; height: 2px; margin-top: -1px; background: rgba(166, 176, 207, 0.34); }
.strip__lane--b .strip__wire { background: rgba(229, 158, 169, 0.45); }
.strip__metres { position: absolute; inset: 0; display: flex; justify-content: space-between; pointer-events: none; }
.strip__metres i { position: relative; width: 1px; background: rgba(166, 176, 207, 0.14); }
.strip__metres i.m { width: 2px; background: rgba(229, 158, 169, 0.32); }
.strip__metres span { position: absolute; left: 50%; bottom: 3%; translate: -50% 0; font: 700 clamp(14px, 1.9vw, 30px)/1 var(--sc-font-mono); color: rgba(255, 255, 255, 0.4); }
.strip__gate { position: absolute; top: 9%; bottom: 9%; width: 6px; border-radius: 2px; }
.strip__gate--start { left: -3px; background: var(--ink-4); }
.strip__gate--finish { right: -3px; width: 10px; background: repeating-linear-gradient(180deg, #fff 0 9px, var(--navy-deep) 9px 18px); box-shadow: 0 0 18px rgba(255, 255, 255, 0.3); transition: box-shadow 300ms; }
.strip.is-done .strip__gate--finish { box-shadow: 0 0 40px 6px rgba(229, 158, 169, 0.75); }
.strip__trail { position: absolute; left: 0; top: 70%; height: 4px; margin-top: -2px; width: 100%; transform-origin: 0 50%; transform: scaleX(0);
  background: linear-gradient(90deg, rgba(229, 158, 169, 0), rgba(229, 158, 169, 0.35) 55%, rgba(242, 188, 196, 0.95)); box-shadow: 0 0 14px rgba(229, 158, 169, 0.6); border-radius: 2px; }
.strip__puck { position: absolute; left: 0; bottom: 30%; width: 11%; transform-origin: 50% 100%; transform: translate3d(0, 0, 0) rotateX(-63deg); will-change: transform; }
.strip__puck svg { display: block; width: 100%; height: auto; fill: #fff; filter: drop-shadow(0 0 10px rgba(229, 158, 169, 0.9)) drop-shadow(0 6px 10px rgba(0, 0, 0, 0.5)); }
.strip__puck i { position: absolute; right: 92%; top: 46%; width: 260%; height: 2px; transform-origin: 100% 50%; transform: scaleX(var(--blur, 0));
  background: linear-gradient(90deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.85)); }
.strip__hud { display: grid; grid-template-columns: auto auto minmax(0, 1fr) auto; align-items: end; gap: 14px clamp(20px, 3vw, 46px); margin-top: 6px; }
.strip__time { font: 800 clamp(3rem, 1.4rem + 5.4vw, 6.6rem)/0.86 var(--sc-font-display); font-variation-settings: "wdth" 125; letter-spacing: -0.04em; color: #fff; font-variant-numeric: tabular-nums; }
.strip__time small, .strip__m small { margin-left: 0.2em; font: 600 0.24em/1 var(--sc-font-mono); letter-spacing: 0.04em; color: var(--pink); }
.strip__m { font: 600 clamp(1.4rem, 1rem + 1.4vw, 2.2rem)/1 var(--sc-font-mono); color: var(--ink-2); font-variant-numeric: tabular-nums; padding-bottom: 0.2em; }
.strip__m small { font-size: 0.5em; }
.strip figcaption { max-width: 38ch; padding-bottom: 0.3em; font-size: 14px; line-height: 1.5; color: var(--ink-4); }
.strip__btns { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; padding-bottom: 0.3em; }
@media (max-width: 900px) {
  .strip__hud { grid-template-columns: auto 1fr; }
  .strip figcaption { grid-column: 1 / -1; }
  .strip__btns { grid-column: 1 / -1; justify-content: flex-start; }
  .strip__m { justify-self: end; }
  .strip__track { left: 4%; right: 4%; }
  .strip__puck { width: 14%; }
}

/* --------------------------------------------------------------------------------------------- 02 team: the plum opens in the cold */
.team { --bloom: clamp(0, (var(--sc-p, 1) - 0.14) / 0.5, 1); min-height: 118svh; display: flex; align-items: center;
  background: radial-gradient(60% 50% at 80% 70%, rgba(164, 44, 60, calc(var(--bloom) * 0.3)), rgba(164, 44, 60, 0) 70%), linear-gradient(180deg, var(--navy-deep) 0%, #071234 55%, var(--navy) 100%); }
.team__branch { position: absolute; top: 0; bottom: 0; right: 0; width: min(62%, 66rem); z-index: 0; pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 16%); mask-image: linear-gradient(90deg, transparent 0, #000 16%); }
.team__branch svg { display: block; width: 100%; height: 100%; }
.team__branch .fl { --k: clamp(0, (var(--bloom) * 1.22 - var(--o)) * 6, 1); }
.team__branch .op { transform-box: fill-box; transform-origin: center; opacity: var(--k); transform: scale(calc(0.25 + 0.75 * var(--k))) rotate(calc((1 - var(--k)) * -50deg)); }
.team__branch .bud { transform-box: fill-box; transform-origin: center; opacity: calc(1 - var(--k)); transform: scale(calc(1 - 0.6 * var(--k))); }
.team__snow { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; pointer-events: none; }
.team__grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 34rem) minmax(0, 1fr); gap: clamp(2rem, 6vw, 7rem); align-items: start; }
.team__text { position: relative; }
.team__text::before { content: ""; position: absolute; z-index: -1; inset: -14% -30% -14% -50%; background: radial-gradient(closest-side, rgba(6, 14, 43, 0.75), rgba(6, 14, 43, 0)); pointer-events: none; }
.team::after { content: ""; position: absolute; z-index: 1; left: 0; right: 0; bottom: 0; height: 34vh; pointer-events: none;
  background: linear-gradient(90deg, #0a1841 0, #0a1841 max(28vw, calc(var(--sc-gutter) + 22rem)), #01030e max(44vw, calc(var(--sc-gutter) + 34rem)));
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 92%); mask-image: linear-gradient(180deg, transparent, #000 92%); }
.team__ps { display: grid; gap: 1rem; color: var(--ink-2); }
.facts { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: 0; }
.facts li { padding: 14px 0; border-top: 1px solid var(--navy-line); color: var(--ink-3); font-size: 15px; line-height: 1.55; }
.facts b { display: block; margin-bottom: 3px; color: #fff; font-weight: 700; }
.saying { position: relative; margin: 0; display: flex; flex-direction: row-reverse; align-items: flex-start; gap: 18px; justify-self: end; }
.saying__zh { writing-mode: vertical-rl; font: 900 clamp(2.2rem, 1.2rem + 2.2vw, 3.4rem)/1.15 var(--serif-zh); letter-spacing: 0.18em; color: #fff;
  text-shadow: 0 0 40px rgba(6, 14, 43, 0.95), 0 2px 12px rgba(6, 14, 43, 0.9); }
.saying__zh::after { content: ""; display: inline-block; width: 0.5em; height: 0.5em; margin-block-start: 0.35em; border-radius: 0.07em; background: var(--plum); box-shadow: inset 0 0 0 0.05em rgba(255, 255, 255, 0.18), 0 0 18px rgba(164, 44, 60, 0.9); }
.saying figcaption { max-width: 14rem; padding-top: 0.5rem; font-size: 13.5px; line-height: 1.55; color: var(--ink-3); text-align: right; text-wrap: balance; text-shadow: 0 1px 10px rgba(6, 14, 43, 1); }
@media (max-width: 980px) {
  .team { min-height: 0; padding-bottom: min(108vw, 46rem); }
  .team__grid { grid-template-columns: 1fr; }
  .team__branch { top: auto; left: 0; width: 100%; height: min(114vw, 50rem); -webkit-mask-image: linear-gradient(180deg, transparent 0, #000 22%); mask-image: linear-gradient(180deg, transparent 0, #000 22%); }
  .team::after { background: #01030e; height: 22vh; }
  .saying { justify-self: start; flex-direction: row; }
  .saying figcaption { text-align: left; }
}

/* --------------------------------------------------------------------------------------------- 03 the wind tunnel (unchanged from v1) */
.tunnel { background: var(--navy); color: #fff; --sc-ink: #fff; --sc-ink-soft: #c5cce6; }
.tunnel__stage { height: 100svh; overflow: hidden; background: var(--navy); }
.tunnel__view { position: absolute; inset: 0; }
.tunnel__canvas, .tunnel__poster, .tunnel__poster img { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.tunnel__poster img { object-fit: cover; }
.tunnel__poster { opacity: 1; transition: opacity 600ms var(--sc-ease-out); }
.tunnel__poster--b { opacity: 0; }
.tunnel.is-live .tunnel__poster { opacity: 0; }
.tunnel.phase-b:not(.is-live) .tunnel__poster--b { opacity: 1; }
/* a column of density under the copy: whatever flies past, the text keeps its ground */
.tunnel__scrim { position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(90deg, rgba(11,26,68,0.94) 0, rgba(11,26,68,0.9) max(28vw, calc(var(--sc-gutter) + 22rem)), rgba(11,26,68,0) max(44vw, calc(var(--sc-gutter) + 34rem))); }
.tunnel__copy { position: absolute; z-index: 2; left: max(var(--sc-gutter), calc((100vw - var(--sc-maxw)) / 2 + var(--sc-gutter))); top: 0; bottom: 0; width: min(33vw, 27rem); display: grid; align-items: center; }
.tunnel__a, .tunnel__b { grid-area: 1 / 1; }
.tunnel__h { font: 800 clamp(2rem, 1.3rem + 2.4vw, 3.4rem)/1.02 var(--sc-font-display); font-variation-settings: var(--wide); letter-spacing: -0.025em; margin: 0.35em 0 0.45em; }
html[lang="zh-Hant"] .tunnel__h { letter-spacing: 0.04em; line-height: 1.2; font-weight: 900; }
.tunnel__p { color: #dfe4f5; max-width: 30ch; }
html[lang="zh-Hant"] .tunnel__p { max-width: 20em; }
.readout { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 1.8rem 0 0.9rem; }
.readout div { border-top: 1px solid var(--navy-line); padding-top: 10px; }
.readout dt { font: 500 11px/1 var(--sc-font-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--navy-muted); margin-bottom: 8px; }
.readout dd { margin: 0; font: 800 clamp(1.9rem, 1.4rem + 1.6vw, 2.8rem)/1 var(--sc-font-display); font-variation-settings: var(--wide); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.readout small { font: 600 0.38em/1 var(--sc-font-mono); color: var(--navy-muted); margin-left: 0.45em; letter-spacing: 0.04em; }
.readout__drag dd { color: var(--pink); }
.tunnel.at-full .readout__drag dd { color: #fff; }
.tunnel.at-full .readout__drag { border-top-color: var(--rose); }
.readout__bar { height: 3px; background: var(--navy-line); border-radius: 2px; overflow: hidden; }
.readout__bar i { display: block; height: 100%; width: 100%; background: linear-gradient(90deg, var(--rose), var(--pink)); transform-origin: left; transform: scaleX(0); }
.tunnel__cfd { margin-top: 0.9rem; font: 500 11.5px/1.5 var(--sc-font-mono); color: var(--navy-muted); letter-spacing: 0.02em; }
.tunnel__note { margin-top: 0.6rem; font-size: 12.5px; line-height: 1.5; color: #9ea9cc; max-width: 40ch; }
.tunnel__labels span {
  position: absolute; left: 0; top: 0; z-index: 3; white-space: nowrap; font: 600 11.5px/1 var(--sc-font-mono); letter-spacing: 0.06em; color: #fff;
  padding: 6px 9px 6px 20px; border-radius: 999px; background: rgba(6,14,43,0.72); box-shadow: inset 0 0 0 1px rgba(229,158,169,0.45);
  opacity: 0; transition: opacity 240ms var(--sc-ease-out); will-change: transform;
}
.tunnel__labels span::before { content: ""; position: absolute; left: 8px; top: 50%; width: 6px; height: 6px; margin-top: -3px; border-radius: 50%; background: var(--rose); }
.tunnel__labels.on span { opacity: 1; }
.tunnel__noscript { position: absolute; left: var(--sc-gutter); bottom: 24px; color: #fff; z-index: 3; }
@media (max-width: 860px) {
  .tunnel__view { bottom: auto; height: 58svh; }
  .tunnel__scrim { background: linear-gradient(0deg, var(--navy) 0, var(--navy) 46svh, rgba(11,26,68,0) 54svh); }
  .tunnel__copy { left: var(--sc-gutter); right: var(--sc-gutter); width: auto; top: 54svh; bottom: 0; align-items: start; padding-top: 18px; }
  .tunnel__h { margin: 0.2em 0 0.3em; font-size: clamp(1.7rem, 1.2rem + 3vw, 2.4rem); }
  .tunnel__p { max-width: none; font-size: 0.98rem; }
  .readout { margin-top: 1rem; }
  .tunnel__note { display: none; }
  .tunnel__cfd { font-size: 10.5px; }
}
@media (max-width: 860px) and (max-height: 700px) { .tunnel__cfd { display: none; } .tunnel__p { font-size: 0.92rem; } }

/* --------------------------------------------------------------------------------------------- 03 C10 engineering: the drag falls */
.numbers { background: linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 38%, var(--navy-deep) 100%); }
.numbers::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 40vh; pointer-events: none;
  background: linear-gradient(90deg, #0a1842 0, #0a1842 max(28vw, calc(var(--sc-gutter) + 22rem)), #040922 max(44vw, calc(var(--sc-gutter) + 34rem)));
  -webkit-mask-image: linear-gradient(0deg, transparent, #000 88%); mask-image: linear-gradient(0deg, transparent, #000 88%); }
@media (max-width: 860px) { .numbers::before { background: #0a1842; } }
.numbers > .sc-wrap { position: relative; }
.evo { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 4rem); align-items: center; margin-bottom: clamp(3rem, 6vw, 5rem); }
.evo__view { position: relative; aspect-ratio: 1200 / 468; overflow: hidden; border-radius: 16px; isolation: isolate;
  background:
    linear-gradient(rgba(166, 176, 207, 0.06) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(90deg, rgba(166, 176, 207, 0.06) 1px, transparent 1px) 0 0 / 48px 48px,
    radial-gradient(70% 90% at 50% 50%, #14275d 0%, #0b1a44 58%, #060e2b 100%);
  box-shadow: inset 0 0 0 1px var(--edge), 0 30px 70px -30px rgba(0, 0, 0, 0.8); }
.evo__view img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; mix-blend-mode: screen; opacity: 0; transition: opacity 520ms var(--sc-ease-out); }
.evo__view img.is-on { opacity: 1; }
.evo__view::after { content: ""; position: absolute; top: 0; bottom: 0; left: 0; width: 2px; z-index: 2; opacity: 0; transform: translateX(-10px);
  background: var(--pink); box-shadow: 0 0 18px 4px rgba(229, 158, 169, 0.7); }
.evo__view.is-scan::after { animation: evo-scan 700ms var(--sc-ease-in-out); }
@keyframes evo-scan { 0% { opacity: 0; transform: translateX(0); } 12% { opacity: 1; } 88% { opacity: 1; } 100% { opacity: 0; transform: translateX(calc(var(--w, 900px) - 2px)); } }
.evo__tag { position: absolute; z-index: 3; left: 16px; bottom: 14px; display: flex; align-items: baseline; gap: 12px; padding: 10px 14px; border-radius: 12px;
  background: rgba(6, 14, 43, 0.76); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); box-shadow: inset 0 0 0 1px var(--edge-2); font: 600 12px/1 var(--sc-font-mono); letter-spacing: 0.08em; color: var(--ink-3); }
.evo__tag b { font: 800 1.7rem/1 var(--sc-font-display); font-variation-settings: var(--wide); letter-spacing: -0.02em; color: #fff; font-variant-numeric: tabular-nums; }
.evo__tag small { font: 600 12px/1 var(--sc-font-mono); color: var(--pink); }
.evo__list { display: grid; gap: 4px; }
.evo__cap { margin-bottom: 10px; font: 500 10.5px/1.4 var(--sc-font-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--navy-muted); }
html[lang="zh-Hant"] .evo__cap { font: 600 13px/1.4 var(--sc-font-text); letter-spacing: 0.1em; }
.evo__row { appearance: none; border: 0; background: transparent; color: inherit; font: inherit; text-align: left; cursor: pointer; width: 100%;
  display: grid; grid-template-columns: minmax(0, 9.5rem) minmax(0, 1fr) auto; align-items: center; gap: 14px; padding: 12px 14px; border-radius: 12px; transition: background 220ms, box-shadow 220ms; }
.evo__row.is-on { background: rgba(20, 39, 93, 0.9); box-shadow: inset 0 0 0 1px var(--edge-pink); }
.evo__name b { display: block; font: 800 15px/1.25 var(--sc-font-display); color: #fff; }
.evo__name span { display: block; font-size: 12.5px; line-height: 1.35; color: var(--ink-4); }
.evo__bar { height: 6px; border-radius: 3px; overflow: hidden; background: rgba(166, 176, 207, 0.12); }
.evo__bar i { display: block; height: 100%; width: calc(var(--v) * 100%); border-radius: 3px; background: linear-gradient(90deg, #5d6aa3, #c5cce6); }
.evo__row.is-c10 .evo__bar i { background: linear-gradient(90deg, var(--rose), var(--pink)); box-shadow: 0 0 10px rgba(229, 158, 169, 0.6); }
.evo__n { font: 600 14px/1 var(--sc-font-mono); color: #fff; font-variant-numeric: tabular-nums; }
.evo__axis { margin-top: 8px; font: 500 11px/1.5 var(--sc-font-mono); color: var(--ink-4); }
@media (hover: hover) and (pointer: fine) { .evo__row:hover:not(.is-on) { background: rgba(20, 39, 93, 0.5); } }
.numbers__bottom { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; margin-top: clamp(3.5rem, 7vw, 6rem); }
.spec { margin: 0; }
.spec > div { display: grid; grid-template-columns: minmax(0, 11rem) minmax(0, 1fr); gap: 16px; padding: 14px 0; border-top: 1px solid var(--navy-line); }
.spec > div:last-child { border-bottom: 1px solid var(--navy-line); }
.spec dt { font: 500 10.5px/1.8 var(--sc-font-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--navy-muted); }
html[lang="zh-Hant"] .spec dt { font: 500 13px/1.6 var(--sc-font-text); letter-spacing: 0.08em; }
.spec dd { margin: 0; color: #fff; }
.block { margin: 0; }
.block img { display: block; width: 100%; height: auto; border-radius: 16px; box-shadow: 0 0 0 1px var(--edge), 0 30px 70px -30px rgba(0, 0, 0, 0.8); }
.block figcaption { margin-top: 12px; font-size: 13px; line-height: 1.5; color: var(--ink-4); }
@media (max-width: 980px) { .evo, .numbers__bottom { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .evo__row { grid-template-columns: minmax(0, 7.5rem) minmax(0, 1fr) auto; gap: 10px; padding: 10px; } .spec > div { grid-template-columns: 1fr; gap: 4px; } }

/* --------------------------------------------------------------------------------------------- 04 where your name goes */
.brand { background: radial-gradient(60% 40% at 30% 30%, rgba(28, 50, 112, 0.55), rgba(28, 50, 112, 0) 70%), var(--navy-deep); }
.tryname { display: grid; gap: 10px; max-width: 46rem; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.tryname label { font: 600 11px/1.3 var(--sc-font-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--pink); }
html[lang="zh-Hant"] .tryname label { font: 600 14px/1.3 var(--sc-font-text); letter-spacing: 0.1em; }
.tryname input { width: 100%; padding: 6px 0 12px; border: 0; border-bottom: 2px solid var(--navy-line); border-radius: 0; background: transparent; outline: none; color: #fff; caret-color: var(--pink);
  font: 800 clamp(1.9rem, 1.1rem + 2.6vw, 3.3rem)/1.1 var(--sc-font-display); font-variation-settings: var(--wide); letter-spacing: -0.02em; transition: border-color 220ms; }
.tryname input::placeholder { color: rgba(166, 176, 207, 0.4); }
.tryname input:focus { border-bottom-color: var(--pink); }
.tryname input:focus-visible { outline: none; box-shadow: 0 2px 0 0 var(--pink); }
.tryname__note { font-size: 13px; color: var(--ink-4); }
.brand__grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: clamp(2rem, 4vw, 4.5rem); align-items: start; }
.drawing { margin: 0; }
.drawing__art { position: relative; }
.drawing__svg { display: block; width: 100%; height: auto; overflow: visible; }
.drawing__svg .p { fill: rgba(20, 39, 93, 0.55); stroke: rgba(223, 228, 245, 0.85); stroke-width: 1px; vector-effect: non-scaling-stroke; stroke-linejoin: round; }
.drawing__svg .p--wheel_FL, .drawing__svg .p--wheel_FR, .drawing__svg .p--wheel_RL, .drawing__svg .p--wheel_RR { fill: rgba(28, 50, 112, 0.8); }
.drawing__svg .panel { fill: rgba(229, 158, 169, 0.2); stroke: var(--rose); stroke-width: 1.3px; vector-effect: non-scaling-stroke; stroke-dasharray: 4 3; }
.drawing__svg .panel--dark { fill: rgba(229, 158, 169, 0.26); stroke: var(--pink); }
.drawing__svg .panel__t { font-family: var(--sc-font-display); font-weight: 800; fill: var(--navy); text-anchor: middle; dominant-baseline: central; letter-spacing: 0; pointer-events: none; }
.drawing__svg .panel__t--light { fill: #fff; }
.drawing__svg .ground { stroke: rgba(229, 158, 169, 0.4); stroke-width: 1px; vector-effect: non-scaling-stroke; stroke-dasharray: 4 4; }
.drawing__svg .dim line { stroke: var(--ink-4); stroke-width: 1px; vector-effect: non-scaling-stroke; }
.drawing__svg .dim text { font: 500 3.4px var(--sc-font-mono); fill: var(--ink-4); text-anchor: middle; }
.drawing__pin { position: absolute; z-index: 2; translate: -50% -50%; }
.drawing__pin b { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; translate: -16px -20px; background: var(--pink); color: var(--navy-deep); font: 700 11px/1 var(--sc-font-mono); box-shadow: 0 0 0 3px var(--navy-deep), 0 0 14px rgba(229, 158, 169, 0.7); }
.drawing figcaption { margin-top: 1.3rem; display: grid; gap: 10px; }
.drawing__legend { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 24px; }
.drawing__legend li { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 9px; font-weight: 600; color: #fff; font-size: 14.5px; }
.drawing__legend b { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--pink); color: var(--navy-deep); font: 700 11px/1 var(--sc-font-mono); }
.drawing__legend .num { font: 500 12px/1 var(--sc-font-mono); color: var(--ink-4); }
.drawing figcaption > p { font-size: 13px; color: var(--ink-4); }
@media (prefers-reduced-motion: no-preference) {
  .drawing .drawing__photo { opacity: 0; transition: opacity 1000ms var(--sc-ease-out); }
  .drawing.is-drawn .drawing__photo { opacity: 1; }
  .drawing .drawing__svg .panel, .drawing .drawing__pin { opacity: 0; transition: opacity 500ms var(--sc-ease-out) 800ms; }
  .drawing.is-drawn .drawing__svg .panel, .drawing.is-drawn .drawing__pin { opacity: 1; }
}
.pit { margin: 0; }
.pit__svg { display: block; width: 100%; height: auto; border-radius: 14px; box-shadow: 0 0 0 1px var(--edge), 0 30px 70px -30px rgba(0, 0, 0, 0.8); }
.pit__team { font: 800 96px var(--sc-font-display); fill: #fff; text-anchor: middle; letter-spacing: 0.005em; }
.pit__zh { font-family: var(--serif-zh); font-weight: 900; fill: #f7d5db; }
.pit__lbl { font: 600 50px var(--sc-font-mono); fill: var(--plum); text-anchor: middle; letter-spacing: 0.28em; }
.pit__name { font: 800 150px var(--sc-font-display); fill: var(--navy); text-anchor: middle; letter-spacing: -0.01em; }
.pit__name.is-ph { fill: rgba(11, 26, 68, 0.26); }
.pit__friends { font: 600 58px var(--sc-font-mono); fill: #5d6580; text-anchor: middle; letter-spacing: 0.24em; }
.pit figcaption { margin-top: 12px; font-size: 13px; line-height: 1.5; color: var(--ink-4); }
.appears { list-style: none; padding: 0; margin: clamp(3.5rem, 7vw, 6rem) 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--navy-line); }
.appears li { display: grid; grid-template-columns: auto minmax(0, 1fr); grid-template-rows: auto auto; column-gap: 14px; align-items: baseline; padding: 22px 20px 22px 0; border-bottom: 1px solid var(--navy-line); }
.appears b { grid-row: 1 / 3; font: 800 clamp(1.9rem, 1.4rem + 1.5vw, 2.8rem)/1 var(--sc-font-display); font-variation-settings: var(--wide); letter-spacing: -0.02em; color: var(--pink); }
.appears__u { font-weight: 700; color: #fff; }
.appears__t { font-size: 14px; line-height: 1.45; color: var(--ink-4); }
.benefits { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(2rem, 5vw, 5rem); }
.benefits h3 { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; padding-bottom: 12px; border-bottom: 1px solid var(--edge-pink); font: 800 1.3rem/1.2 var(--sc-font-display); font-variation-settings: var(--wide); }
.benefits h3::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--pink); box-shadow: 0 0 12px var(--pink); }
.benefits p { padding: 12px 0; border-bottom: 1px solid rgba(42, 60, 114, 0.6); color: var(--ink-3); font-size: 15px; max-width: 62ch; }
.benefits p b { color: #fff; }
@media (max-width: 980px) { .brand__grid { grid-template-columns: 1fr; } .pit { max-width: 34rem; } }
@media (max-width: 900px) { .appears { grid-template-columns: repeat(2, minmax(0, 1fr)); } .benefits { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .appears { grid-template-columns: 1fr; } .drawing__legend { grid-template-columns: 1fr; } }

.tag { display: inline-block; margin-top: 9px; padding: 5px 9px; border-radius: 999px; font: 600 10px/1 var(--sc-font-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-2); box-shadow: inset 0 0 0 1px var(--edge-2); }
html[lang="zh-Hant"] .tag { font: 600 12px/1 var(--sc-font-text); letter-spacing: 0.08em; }
.tag--1 { background: rgba(166, 176, 207, 0.16); box-shadow: none; color: #fff; }
.tag--2 { background: var(--pink); color: var(--navy-deep); box-shadow: none; }
.tag--4 { background: var(--plum); color: #fff; box-shadow: none; }

/* --------------------------------------------------------------------------------------------- 05 budget + packages */
.packages { background: linear-gradient(180deg, var(--navy-deep) 0%, #08133a 50%, var(--navy-deep) 100%); --notch: #07112f; }
.budget-wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; margin-bottom: clamp(4.5rem, 9vw, 8rem); }
.budget__big { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 0.18em; font: 800 clamp(3.2rem, 1.5rem + 5.4vw, 7rem)/0.9 var(--sc-font-display); font-variation-settings: "wdth" 125; letter-spacing: -0.04em; color: #fff; font-variant-numeric: tabular-nums; }
.budget__big .num { font: 600 0.26em/1 var(--sc-font-mono); letter-spacing: 0.04em; color: var(--pink); }
.budget__big small { flex-basis: 100%; margin-top: 14px; font: 600 11.5px/1 var(--sc-font-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-4); }
html[lang="zh-Hant"] .budget__big small { font: 600 14px/1 var(--sc-font-text); letter-spacing: 0.1em; }
.budget__bar { position: relative; height: 14px; margin: 1.7rem 0 0.9rem; overflow: hidden; border-radius: 7px; background: linear-gradient(90deg, var(--rose), var(--pink)); box-shadow: 0 0 24px -4px rgba(229, 158, 169, 0.6); }
.budget__bar i { position: absolute; left: 0; top: 0; bottom: 0; width: calc(var(--paid) * 100%); background: repeating-linear-gradient(135deg, #c5cce6 0 6px, #8e99c2 6px 12px); }
.budget__legend { display: flex; flex-wrap: wrap; gap: 8px 24px; font-size: 13.5px; color: var(--ink-3); }
.budget__legend b { display: inline-block; width: 10px; height: 10px; margin-right: 8px; border-radius: 2px; vertical-align: -1px; }
.budget__legend .paid b { background: #c5cce6; }
.budget__legend .need b { background: var(--pink); }
.budget__legend .of { flex-basis: 100%; color: var(--ink-4); }
.lines { margin-top: 1.6rem; border-top: 1px solid var(--navy-line); }
.lines summary { display: flex; justify-content: space-between; align-items: center; padding: 15px 0; cursor: pointer; list-style: none; font: 600 12.5px/1 var(--sc-font-mono); letter-spacing: 0.08em; color: var(--pink); }
.lines summary::-webkit-details-marker { display: none; }
.lines summary::after { content: "+"; font: 400 20px/1 var(--sc-font-mono); transition: transform 240ms var(--sc-ease-out); }
.lines[open] summary::after { transform: rotate(45deg); }
.lines table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.lines th, .lines td { padding: 10px 10px 10px 0; text-align: left; vertical-align: top; border-bottom: 1px solid rgba(42, 60, 114, 0.7); color: var(--ink-3); font-weight: 400; }
.lines thead th { font: 500 10px/1.3 var(--sc-font-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--navy-muted); }
.lines tbody th { color: #fff; font-weight: 600; }
.lines .num { text-align: right; white-space: nowrap; padding-right: 0; font-family: var(--sc-font-mono); color: #fff; }
.lines tfoot th, .lines tfoot td { color: #fff; font-weight: 700; }
.lines tfoot .still th, .lines tfoot .still td { color: var(--pink); border-bottom: 0; }
.lines .tag { margin: 0 0 0 6px; vertical-align: 1px; }
.lines .small { margin-top: 12px; }
.head--pk { margin-bottom: clamp(1.8rem, 3.5vw, 2.8rem); }
.cabins { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(12px, 1.5vw, 22px); }
.cabin { position: relative; display: flex; flex-direction: column; padding: 22px 20px 20px; border-radius: 18px;
  background: linear-gradient(180deg, rgba(20, 39, 93, 0.9), rgba(11, 26, 68, 0.94)); box-shadow: inset 0 0 0 1px var(--edge), inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 24px 50px -30px rgba(0, 0, 0, 0.9);
  transition: box-shadow 260ms var(--sc-ease-out); }
.cabin__class { font: 600 10.5px/1.3 var(--sc-font-mono); letter-spacing: 0.18em; text-transform: uppercase; color: var(--pink); }
html[lang="zh-Hant"] .cabin__class { font: 700 13px/1.3 var(--sc-font-text); letter-spacing: 0.14em; }
.cabin__name { margin: 10px 0 6px; font: 800 1.65rem/1.08 var(--sc-font-display); font-variation-settings: var(--wide); letter-spacing: -0.015em; }
.cabin__seats { font: 500 11.5px/1.4 var(--sc-font-mono); letter-spacing: 0.06em; color: var(--ink-4); }
html[lang="zh-Hant"] .cabin__seats { font: 500 13px/1.4 var(--sc-font-text); }
.cabin__prices { position: relative; margin: 20px 0 0; padding-top: 18px; display: grid; gap: 10px; border-top: 2px dashed rgba(166, 176, 207, 0.22); }
.cabin__prices::before, .cabin__prices::after { content: ""; position: absolute; top: -11px; width: 20px; height: 20px; border-radius: 50%; background: var(--notch); }
.cabin__prices::before { left: -31px; } .cabin__prices::after { right: -31px; }
.cabin__prices div { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; padding-bottom: 9px; border-bottom: 1px solid rgba(42, 60, 114, 0.75); }
.cabin__prices dt { font-size: 12.5px; color: var(--ink-4); }
.cabin__prices dd { margin: 0; font: 700 1.02rem/1.15 var(--sc-font-display); color: #fff; text-align: right; }
.cabin__inc { flex: 1; margin-top: 14px; font-size: 13.5px; line-height: 1.5; color: var(--ink-3); }
.cabin__choose { margin-top: 18px; padding: 13px 16px; border-radius: 999px; border: 1px solid var(--edge-2); background: rgba(6, 14, 43, 0.5); color: #fff; cursor: pointer;
  font: 700 13px/1 var(--sc-font-display); letter-spacing: 0.02em; transition: background 180ms, border-color 180ms, color 180ms, transform 160ms var(--sc-ease-out); }
.cabin__choose:active { transform: scale(0.98); }
.cabin__choose[aria-pressed="true"] { background: var(--pink); border-color: var(--pink); color: var(--navy-deep); }
.cabin--principal { background: linear-gradient(180deg, rgba(164, 44, 60, 0.6) 0%, rgba(20, 39, 93, 0.94) 52%, rgba(11, 26, 68, 0.96) 100%);
  box-shadow: inset 0 0 0 1px rgba(229, 158, 169, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 30px 60px -30px rgba(164, 44, 60, 0.7); }
.cabin--principal .cabin__class { color: var(--pink-hi); }
.cabin.is-chosen { box-shadow: inset 0 0 0 2px var(--pink), 0 0 0 5px rgba(229, 158, 169, 0.14), 0 30px 60px -30px rgba(0, 0, 0, 0.9); }
@media (hover: hover) and (pointer: fine) { .cabin__choose:hover:not([aria-pressed="true"]) { border-color: var(--pink); background: rgba(229, 158, 169, 0.12); } }
.pk__foot { margin-top: 1.2rem; }
.extra { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.5rem, 3vw, 3rem); margin-top: clamp(3rem, 6vw, 5rem); }
.extra > div { padding-top: 16px; border-top: 1px solid var(--navy-line); }
.extra h3 { margin-bottom: 8px; font: 700 1.05rem/1.35 var(--sc-font-display); }
.extra p { font-size: 14.5px; color: var(--ink-3); }
@media (max-width: 980px) { .budget-wrap { grid-template-columns: 1fr; } .cabins { grid-template-columns: repeat(2, minmax(0, 1fr)); } .extra { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .cabins { grid-template-columns: 1fr; } .lines td:nth-child(2) { display: none; } .lines thead th:nth-child(2) { display: none; } }

/* --------------------------------------------------------------------------------------------- 06 questions */
.faq { background: var(--navy-deep); }
.faq__grid { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.faq details { border-top: 1px solid var(--navy-line); }
.faq details:last-child { border-bottom: 1px solid var(--navy-line); }
.faq summary { display: flex; justify-content: space-between; align-items: center; gap: 22px; padding: 21px 0; cursor: pointer; list-style: none; font: 700 1.1rem/1.35 var(--sc-font-display); color: #fff; transition: color 160ms; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; flex: none; width: 26px; height: 26px; border-radius: 50%; box-shadow: inset 0 0 0 1px var(--edge-pink); transition: transform 280ms var(--sc-ease-out), background-color 200ms;
  background: linear-gradient(var(--pink), var(--pink)) center / 10px 1.5px no-repeat, linear-gradient(var(--pink), var(--pink)) center / 1.5px 10px no-repeat; }
.faq details[open] summary::after { transform: rotate(45deg); background-color: rgba(229, 158, 169, 0.12); }
.faq details p { max-width: 62ch; padding: 0 0 24px; color: var(--ink-3); }
@media (hover: hover) and (pointer: fine) { .faq summary:hover { color: var(--pink-hi); } }
@media (max-width: 860px) { .faq__grid { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------------------------- 07 book: the plum in full bloom */
.book { padding-bottom: 0; background: radial-gradient(70% 50% at 70% 100%, rgba(164, 44, 60, 0.32), rgba(164, 44, 60, 0) 70%), linear-gradient(180deg, var(--navy-deep) 0%, #08133a 55%, var(--navy) 100%); }
.book__bloom { position: absolute; left: 0; right: 0; bottom: 0; z-index: 0; height: min(56vw, 700px); pointer-events: none; }
.book__bloom img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 100% 100%; }
.book__petals { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; pointer-events: none; }
.book__grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 31rem); gap: clamp(2rem, 6vw, 6rem); align-items: start; padding-bottom: clamp(17rem, 40vw, 36rem); }
.book__text { position: relative; }
.book__text::before { content: ""; position: absolute; z-index: -1; inset: -10% -20% -10% -40%; background: radial-gradient(closest-side, rgba(6, 14, 43, 0.7), rgba(6, 14, 43, 0)); pointer-events: none; }
.book__h { max-width: 11ch; font-size: clamp(2.6rem, 1.3rem + 4.2vw, 5.4rem); }
html[lang="zh-Hant"] .book__h { max-width: 9em; }
.book__text > p:not(.kicker) { margin-top: 1.1rem; max-width: 46ch; color: var(--ink-3); }
.book__text > p a { color: #fff; }
.contact { margin: 2rem 0 1.4rem; }
.contact > div { display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: 12px; padding: 13px 0; border-top: 1px solid var(--navy-line); }
.contact > div:last-child { border-bottom: 1px solid var(--navy-line); }
.contact dt { font: 500 10.5px/1.9 var(--sc-font-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--navy-muted); }
html[lang="zh-Hant"] .contact dt { font: 500 13px/1.7 var(--sc-font-text); }
.contact dd { margin: 0; color: #fff; }
.contact a { color: #fff; text-decoration-color: rgba(229, 158, 169, 0.6); text-underline-offset: 0.25em; }
.card { position: relative; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; padding: clamp(20px, 2.4vw, 28px); border-radius: 22px;
  /* no fill of its own: the page's background shows through, framed by the same hairline as the race timer */
  background: transparent; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.26); }
.card__head { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1fr) auto; column-gap: 14px; align-items: center; padding-bottom: 16px; margin-bottom: 4px; border-bottom: 2px dashed rgba(166, 176, 207, 0.22); }
.card__head img { grid-column: 2; grid-row: 1 / 3; width: 46px; height: 46px; }
.card__title { font: 800 1.4rem/1.1 var(--sc-font-display); font-variation-settings: var(--wide); color: #fff; }
.card__to { margin-top: 4px; font: 500 11.5px/1.4 var(--sc-font-mono); color: var(--ink-4); }
.card label { display: grid; gap: 7px; font: 500 10.5px/1.2 var(--sc-font-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--navy-muted); }
html[lang="zh-Hant"] .card label { font: 500 13px/1.2 var(--sc-font-text); letter-spacing: 0.06em; }
.card label.full { grid-column: 1 / -1; }
.card input, .card select, .card textarea { width: 100%; padding: 12px 13px; border: 1px solid rgba(255, 255, 255, 0.2); border-radius: 11px; background: transparent; color: #fff;
  font: 400 15px/1.35 var(--sc-font-text); letter-spacing: 0; text-transform: none; transition: border-color 160ms, box-shadow 160ms; }
.card textarea { resize: vertical; min-height: 84px; }
.card input:focus, .card select:focus, .card textarea:focus { outline: none; border-color: var(--pink); box-shadow: 0 0 0 3px rgba(229, 158, 169, 0.22); }
.card [aria-invalid="true"] { border-color: #ff8fa0; box-shadow: 0 0 0 3px rgba(255, 143, 160, 0.18); }
.card select { appearance: none; padding-right: 36px; background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23e59ea9' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 14px center; }
.card select option { background: var(--navy); color: #fff; }
.card__send { grid-column: 1 / -1; margin-top: 4px; }
.card__note { grid-column: 1 / -1; font-size: 12.5px; line-height: 1.5; color: var(--ink-4); }
.card__status { grid-column: 1 / -1; font-size: 13.5px; color: var(--pink-hi); }
.card__status:empty { display: none; }
.card__copy { grid-column: 1 / -1; display: grid; gap: 8px; }
.card__copy textarea { font: 12.5px/1.5 var(--sc-font-mono); }
.card__copy button { justify-self: start; padding: 10px 14px; border-radius: 999px; border: 1px solid var(--edge-2); background: transparent; color: #fff; font: 600 12px/1 var(--sc-font-mono); cursor: pointer; }
@media (max-width: 980px) { .book__grid { grid-template-columns: 1fr; } .card { max-width: 34rem; } }
@media (max-width: 520px) { .card { grid-template-columns: 1fr; } .contact > div { grid-template-columns: 1fr; gap: 2px; } }
.foot { position: relative; z-index: 2; padding: 2.4rem 0 calc(2.6rem + env(safe-area-inset-bottom)); border-top: 1px solid rgba(229, 158, 169, 0.18); background: var(--navy-ink); font-size: 13px; line-height: 1.65; color: var(--ink-4); }
.foot__inner { display: grid; gap: 10px; }
.foot__inner > p { max-width: 72ch; }
.foot__mark { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; color: #fff; font: 800 1rem/1 var(--sc-font-display); font-variation-settings: var(--wide); }
.foot__mark img { width: 34px; height: 34px; }
.foot__mark span span { margin-left: 4px; font-family: var(--serif-zh); font-weight: 900; color: var(--pink); }
.foot__meta { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 6px; font: 500 12px/1.6 var(--sc-font-mono); }
.foot a { color: #fff; }

/* --------------------------------------------------------------------------------------------- motion off */
@media (prefers-reduced-motion: reduce) {
  .tunnel__b, .tunnel__labels { display: none; }
  .team { --bloom: 1; }
  .air__l--near, .hdr__time i.in, .hdr__time i.out { animation: none; }
  .btn span, .hdr__mark, .hdr__ink, .evo__view img { transition: none; }
  .evo__view.is-scan::after { animation: none; }
}