/* Tulan Wander 400. Dark cinematic: ink green ground, rice-white type, two colours only. */
:root {
  --ground: #12281d;   /* 墨绿: a stand-in until the brand hex arrives */
  --ink: #efe7d6;      /* 米白 */
  --ink-soft: color-mix(in srgb, var(--ink) 72%, var(--ground));
  --line: color-mix(in srgb, var(--ink) 22%, var(--ground));
  --surface: color-mix(in srgb, var(--ink) 6%, var(--ground));
  --accent: var(--ink);
  --on-accent: var(--ground);
  --font-zh: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  --font-latin: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-display: var(--font-zh);
  --font-body: var(--font-zh);
  --gutter: clamp(20px, 5vw, 96px);
  color-scheme: dark;
}
:root:lang(en) { --font-display: var(--font-latin); --font-body: var(--font-latin); }

*, *::before, *::after { box-sizing: border-box; }
html { background: var(--ground); -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0; background: var(--ground); color: var(--ink);
  font: 400 16px/1.7 var(--font-body); -webkit-font-smoothing: antialiased;
}
:root:lang(en) body { font-size: 18px; line-height: 1.55; }
a { color: inherit; }
:focus-visible { outline: 1px solid var(--ink); outline-offset: 4px; }

/* Held scenes: the same height the stage gives them, before the module runs (checks.md K3) */
#open { height: calc(100svh + 2600px); }
#ride { height: calc(100svh + 3000px); }

/* Top bar: clear, clicks pass through except on its two controls */
.bar {
  position: fixed; inset: 0 0 auto; z-index: 10; pointer-events: none;
  display: flex; justify-content: space-between; align-items: center;
  padding: calc(10px + env(safe-area-inset-top)) var(--gutter) 10px;
  background: linear-gradient(to bottom, color-mix(in srgb, var(--ground) 82%, transparent), transparent);
}
.bar > * { pointer-events: auto; }
.mark { display: flex; align-items: baseline; gap: 12px; min-height: 44px; align-items: center; text-decoration: none; }
.mark-zh { font: 400 15px/1 var(--font-zh); letter-spacing: .4em; }
.mark-en { font: 500 12px/1 var(--font-latin); letter-spacing: .36em; color: var(--ink-soft); }
.langs { display: flex; align-items: center; }
.langs button {
  appearance: none; border: 0; background: none; cursor: pointer; min-height: 44px; padding: 0 8px;
  color: var(--ink-soft); font: 400 13px/1 var(--font-zh); letter-spacing: .12em;
}
.langs button[data-set-lang="en"] { font: 500 14px/1 var(--font-latin); letter-spacing: .2em; }
.langs button[aria-pressed="true"] { color: var(--ink); text-decoration: underline; text-underline-offset: 6px; text-decoration-thickness: 1px; }
.langs-sep { color: var(--line); font-size: 12px; }

/* Cinema frame (scenes 1 and 3): a strip of picture in the middle, the ground as bars */
.cine { position: relative; height: 100svh; display: grid; grid-template-rows: 1fr auto 1fr; justify-items: center; overflow: clip; }
.cine-frame { grid-row: 2; width: min(100%, calc((100svh - 220px) * 16 / 9)); aspect-ratio: 16 / 9; }
.curtain { width: 100%; height: 100%; }
.clip { display: block; width: 100%; height: 100%; background: #050806; }
.clip::part(video) { display: block; width: 100%; height: 100%; object-fit: cover; }
.cine-caption {
  grid-row: 3; align-self: start; display: grid; width: 100%;
  padding: clamp(26px, 4svh, 48px) var(--gutter) 0; text-align: center;
}
.cap { grid-area: 1 / 1; }

/* Opening credit: the brand small and spaced, the model in wide capitals */
.cap-in { display: grid; justify-items: center; }
.name { margin: 0; display: grid; justify-items: center; gap: 14px; font-weight: 300; }
.name-brand { font: 400 13px/1 var(--font-zh); letter-spacing: .6em; padding-left: .6em; color: var(--ink-soft); }
:lang(en) .name-brand { font: 500 13px/1 var(--font-latin); letter-spacing: .5em; padding-left: .5em; text-transform: uppercase; }
.name-model {
  font: 300 clamp(30px, 8vw, 64px)/1 var(--font-latin); letter-spacing: .3em; padding-left: .3em;
  text-transform: uppercase; font-variant-numeric: lining-nums;
}

/* Lines set like subtitles */
.line { margin: 0; text-wrap: balance; font: 300 clamp(20px, 5.4vw, 38px)/1.5 var(--font-display); letter-spacing: .08em; }
:lang(en) .line { font-weight: 400; font-size: clamp(25px, 6.6vw, 46px); line-height: 1.2; letter-spacing: .01em; }
.line-title { font-size: clamp(24px, 6.4vw, 46px); }
:lang(en) .line-title { font-size: clamp(28px, 7.4vw, 54px); }
.nb { display: inline-block; white-space: nowrap; }
:lang(zh) .sp { display: none; }

@keyframes subtitle {
  0% { opacity: 0; transform: translateY(10px); }
  22% { opacity: 1; transform: none; }
  78% { opacity: 1; transform: none; }
  100% { opacity: 0; transform: translateY(-6px); }
}

/* Specs, one at a time under the road */
.spec { margin: 0; display: grid; justify-items: center; gap: 12px; }
.spec-k { font: 400 14px/1 var(--font-zh); letter-spacing: .4em; padding-left: .4em; color: var(--ink-soft); }
:lang(en) .spec-k { font: 500 13px/1 var(--font-latin); letter-spacing: .32em; padding-left: .32em; text-transform: uppercase; }
.spec-v { display: flex; align-items: baseline; gap: 10px; font: 300 clamp(40px, 11vw, 84px)/1 var(--font-latin); font-variant-numeric: lining-nums; }
.spec-u { font: 400 clamp(15px, 3.6vw, 22px)/1 var(--font-latin); letter-spacing: .06em; color: var(--ink-soft); }
:lang(zh) .spec-u[data-i18n] { font-family: var(--font-zh); font-size: 14px; }

/* Scroll cue (phones; on wide screens the lower bar has no room for it) */
.cue { position: absolute; left: 0; right: 0; bottom: calc(20px + env(safe-area-inset-bottom)); }
.cue-in { margin: 0; display: grid; justify-items: center; gap: 12px; font-size: 12px; line-height: 1; letter-spacing: .4em; padding-left: .4em; color: var(--ink-soft); }
:lang(en) .cue-in { font-size: 13px; letter-spacing: .3em; text-transform: uppercase; }
.cue-line { width: 1px; height: 34px; background: linear-gradient(var(--ink-soft), transparent); }

@media (min-width: 760px) and (min-height: 560px) {
  .cine-frame { width: min(100%, calc(58svh * 2.39)); aspect-ratio: 2.39 / 1; }
  .name-model { font-size: clamp(36px, 4.2vw, 72px); }
  .cue { display: none; }
}

/* Placeholders: marked, never mistaken for real material */
.tag {
  display: inline-block; padding: 3px 8px; border: 1px dashed var(--ink-soft); border-radius: 2px;
  font: 400 11px/1.3 var(--font-zh); letter-spacing: .08em; color: var(--ink-soft); font-style: normal; white-space: nowrap;
}
:lang(en) .tag { font: 500 12px/1.3 var(--font-latin); letter-spacing: .06em; }
.tag-video { position: absolute; left: 10px; top: 10px; z-index: 1; background: color-mix(in srgb, var(--ground) 70%, transparent); }
.ph {
  position: relative; display: grid; place-items: center; width: 100%; background:
    repeating-linear-gradient(135deg, transparent 0 14px, color-mix(in srgb, var(--ink) 4%, transparent) 14px 15px),
    var(--surface);
  border: 1px solid var(--line);
}
.ph-label { margin: 0; display: grid; justify-items: center; gap: 10px; padding: 16px; text-align: center; font-size: 13px; line-height: 1.5; color: var(--ink-soft); }
.ph-side { aspect-ratio: 16 / 9; }
.ph-detail { aspect-ratio: 4 / 5; }
.ph-front { aspect-ratio: 4 / 3; }

/* Shared title */
.title { margin: 0; text-wrap: balance; font: 300 clamp(26px, 7vw, 56px)/1.35 var(--font-display); letter-spacing: .08em; }
:lang(en) .title { font-weight: 400; font-size: clamp(30px, 8vw, 64px); line-height: 1.1; letter-spacing: 0; }

/* 2 Looks */
.look { padding: clamp(96px, 16svh, 180px) var(--gutter) clamp(80px, 12svh, 140px); display: grid; justify-items: center; gap: clamp(28px, 5svh, 56px); text-align: center; }
.hero-shot { width: min(100%, 1180px, calc((100svh - 300px) * 16 / 9)); }
.details { list-style: none; margin: clamp(40px, 10svh, 120px) 0 0; padding: 0; display: grid; gap: clamp(72px, 16svh, 160px); width: min(100%, 520px); }
.detail { display: grid; gap: 22px; }
.detail-shot { width: min(100%, calc((100svh - 220px) * 4 / 5)); margin-inline: auto; }
.detail-cap { margin: 0; display: grid; justify-items: center; gap: 8px; }
.detail-n { font: 400 13px/1 var(--font-latin); letter-spacing: .3em; color: var(--ink-soft); font-variant-numeric: lining-nums; }
.detail-name { font: 300 clamp(22px, 5.6vw, 32px)/1.3 var(--font-display); letter-spacing: .2em; padding-left: .2em; }
:lang(en) .detail-name { font-weight: 400; letter-spacing: .02em; padding-left: 0; }
.detail-text { font-size: 15px; color: var(--ink-soft); }
:lang(en) .detail-text { font-size: 17px; }

/* 4 Price */
.price { padding: clamp(80px, 10svh, 120px) var(--gutter) clamp(80px, 12svh, 140px); display: grid; justify-items: center; gap: 18px; text-align: center; }
.price-shot { width: min(100% + 2 * var(--gutter), 1280px); margin-inline: calc(-1 * var(--gutter)); overflow: clip; margin-bottom: clamp(24px, 5svh, 56px); }
@media (min-width: 760px) { .price-shot { margin-inline: 0; width: min(100%, 1180px, calc(52svh * 4 / 3)); } }
.push::part(layer) { transform-origin: 50% 50%; }
.price-kicker { margin: 0; font: 400 15px/1.6 var(--font-zh); letter-spacing: .4em; padding-left: .4em; color: var(--ink-soft); }
:lang(en) .price-kicker { font: 500 14px/1.6 var(--font-latin); letter-spacing: .3em; padding-left: .3em; text-transform: uppercase; }
.price-num { margin: 0; display: flex; align-items: baseline; justify-content: center; gap: .12em; font-weight: 300; }
.price-fig { font: 300 clamp(64px, min(22vw, 17svh), 168px)/1 var(--font-latin); letter-spacing: -.01em; font-variant-numeric: lining-nums; }
.price-unit { font: 300 clamp(24px, 6.4vw, 44px)/1 var(--font-zh); letter-spacing: .1em; }
.price-pre { font: 400 clamp(20px, 5vw, 34px)/1 var(--font-latin); letter-spacing: .04em; }
.price-pre:empty { display: none; }
:lang(en) .price-unit { font: 400 clamp(20px, 5vw, 34px)/1 var(--font-latin); letter-spacing: .04em; }
.price-note { margin: 0; font-size: 12px; letter-spacing: .1em; color: var(--ink-soft); }
:lang(en) .price-note { font-size: 14px; letter-spacing: .02em; }

/* 5 Book a test ride */
.close { min-height: 88svh; display: grid; align-content: center; justify-items: center; gap: 24px; padding: 120px var(--gutter) 64px; text-align: center; }
.close-mark { margin: 0 0 12px; display: grid; justify-items: center; gap: 10px; }
.close-logo { font: 400 22px/1 var(--font-zh); letter-spacing: .6em; padding-left: .6em; }
.close-text { margin: 0; font-size: 16px; letter-spacing: .08em; color: var(--ink-soft); }
:lang(en) .close-text { font-size: 19px; letter-spacing: 0; }
.cta-row { display: grid; justify-items: center; gap: 14px; margin-top: 20px; }
.cta {
  display: inline-flex; align-items: center; justify-content: center; min-height: 54px; min-width: 220px; padding: 0 36px;
  background: var(--accent); color: var(--on-accent); text-decoration: none;
  font: 400 16px/1 var(--font-zh); letter-spacing: .4em; text-indent: .4em; transition: background-color .4s ease;
}
:lang(en) .cta { font: 500 16px/1 var(--font-latin); letter-spacing: .18em; text-indent: .18em; text-transform: uppercase; }
.cta:hover { background: color-mix(in srgb, var(--accent) 88%, var(--ground)); }
.cta-note { margin: 0; display: flex; gap: 8px; align-items: center; font-size: 12px; color: var(--ink-soft); }
.foot { display: grid; justify-items: center; gap: 6px; padding: 32px var(--gutter) calc(32px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); font-size: 12px; color: var(--ink-soft); text-align: center; }
.foot p { margin: 0; }
:lang(en) .foot { font-size: 13px; }
.price-unit:empty { display: none; }