/* =============================================================
   奎伟推拉棚 · KUIWEI CANOPY SYSTEMS
   Design System 2026 — Engineering Editorial
   01 tokens / 02 base / 03 layout / 04 type / 05 components
   06 sections / 07 pages / 08 motion / 09 responsive / 10 a11y
   ============================================================= */

/* ---------- 01 tokens ---------- */
:root {
  /* surface */
  --paper: #f4f2ed;
  --paper-2: #eae7df;
  --paper-3: #e0dcd2;
  --ink: #111417;
  --ink-2: #34393e;
  --muted: #6a6f75;
  --muted-2: #8b8f94;
  --line: rgba(17, 20, 23, 0.14);
  --line-soft: rgba(17, 20, 23, 0.075);

  /* dark surface */
  --graphite: #131619;
  --graphite-2: #1a1e22;
  --on-dark: #f2efe8;
  --on-dark-2: rgba(242, 239, 232, 0.68);
  --on-dark-3: rgba(242, 239, 232, 0.46);
  --line-dark: rgba(242, 239, 232, 0.15);

  /* accent */
  --accent: #b6462a;
  --accent-2: #d0562f;
  --accent-soft: rgba(182, 70, 42, 0.08);

  /* type */
  --sans: "Helvetica Neue", "Inter", "PingFang SC", "Hiragino Sans GB",
    "Source Han Sans SC", "Microsoft YaHei", Arial, sans-serif;
  --serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", Georgia,
    "Times New Roman", serif;
  --mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas,
    "Liberation Mono", monospace;

  --fs-hero: clamp(40px, 6.4vw, 96px);
  --fs-h1: clamp(34px, 4.4vw, 62px);
  --fs-h2: clamp(26px, 3.2vw, 46px);
  --fs-h3: clamp(19px, 1.9vw, 26px);
  --fs-h4: clamp(16px, 1.35vw, 19px);
  --fs-lead: clamp(15.5px, 1.25vw, 18.5px);
  --fs-body: 15.5px;
  --fs-sm: 13.5px;
  --fs-xs: 12px;
  --fs-label: 11px;

  /* space */
  --s1: 4px;
  --s2: 8px;
  --s3: 12px;
  --s4: 16px;
  --s5: 24px;
  --s6: 32px;
  --s7: 48px;
  --s8: 64px;
  --s9: 96px;
  --s10: 128px;
  --sec: clamp(72px, 9vw, 148px);
  --gutter: clamp(20px, 4.4vw, 64px);
  --max: 1360px;

  /* motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-2: cubic-bezier(0.22, 0.61, 0.36, 1);
  --t-fast: 0.22s;
  --t-mid: 0.5s;
  --t-slow: 0.9s;

  --hdr-h: 84px;
}

/* ---------- 02 base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--hdr-h) + 16px);
}

html { overflow-x: clip; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--fs-body);
  line-height: 1.75;
  font-weight: 400;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

body.is-locked { overflow: hidden; }

img, svg, video { max-width: 100%; }
img { display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
figure { margin: 0; }
p { margin: 0; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 500; letter-spacing: 0; }
strong { font-weight: 600; }

::selection { background: var(--accent); color: #fff; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip {
  position: fixed;
  left: -999px;
  top: 12px;
  z-index: 999;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--paper);
  font-size: var(--fs-xs);
}
.skip:focus { left: 12px; }

.sr {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- 03 layout ---------- */
.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--s5);
}

.sec { padding-block: var(--sec); position: relative; }
.sec--tight { padding-block: clamp(44px, 5.6vw, 84px); }
.sec--paper2 { background: var(--paper-2); }
.sec--dark { background: var(--graphite); color: var(--on-dark); }
.sec--flush { padding-block: 0; }

.rule { height: 1px; background: var(--line); border: 0; margin: 0; }
.sec--dark .rule { background: var(--line-dark); }

/* ---------- 04 type ---------- */
.eyebrow {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow b {
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.08em;
}
.sec--dark .eyebrow { color: var(--on-dark-3); }
.sec--dark .eyebrow b { color: var(--accent-2); }

.h-hero {
  font-size: var(--fs-hero);
  line-height: 1.04;
  letter-spacing: -0.035em;
  font-weight: 500;
}
.h1 {
  font-size: var(--fs-h1);
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: 500;
}
.h2 {
  font-size: var(--fs-h2);
  line-height: 1.16;
  letter-spacing: -0.025em;
  font-weight: 500;
}
.h3 {
  font-size: var(--fs-h3);
  line-height: 1.35;
  letter-spacing: -0.01em;
  font-weight: 500;
}
.h4 {
  font-size: var(--fs-h4);
  line-height: 1.45;
  letter-spacing: 0;
  font-weight: 500;
}

/* 中文小标题不需要负字距 */
:lang(zh) .h-hero,
:lang(zh) .h1,
:lang(zh) .h2 { letter-spacing: -0.02em; }

.lede {
  font-size: var(--fs-lead);
  line-height: 1.85;
  color: var(--ink-2);
  letter-spacing: 0.01em;
}
.sec--dark .lede { color: var(--on-dark-2); }

.body { color: var(--ink-2); }
.muted { color: var(--muted); }
.tiny {
  font-family: var(--mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  color: var(--muted);
}
.sec--dark .tiny { color: var(--on-dark-3); }

.quote {
  font-family: var(--serif);
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1.55;
  letter-spacing: 0.01em;
  font-weight: 400;
}

/* ---------- 05 components ---------- */
/* buttons */
.btn {
  --bg: transparent;
  --fg: var(--ink);
  --bd: var(--line);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 52px;
  padding: 0 26px;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--bd);
  font-size: var(--fs-sm);
  letter-spacing: 0.04em;
  white-space: nowrap;
  overflow: hidden;
  transition: background var(--t-fast) var(--ease-2),
    color var(--t-fast) var(--ease-2),
    border-color var(--t-fast) var(--ease-2);
}
.btn svg { width: 15px; height: 15px; flex: 0 0 auto; transition: transform var(--t-mid) var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn--solid { --bg: var(--ink); --fg: var(--paper); --bd: var(--ink); }
.btn--solid:hover { --bg: var(--accent); --bd: var(--accent); }
.btn--ghost:hover { --bg: var(--ink); --fg: var(--paper); --bd: var(--ink); }
.btn--light { --bg: var(--paper); --fg: var(--ink); --bd: var(--paper); }
.btn--light:hover { --bg: var(--accent); --fg: #fff; --bd: var(--accent); }
.btn--onimage {
  --bg: rgba(255, 255, 255, 0.14);
  --fg: #fff;
  --bd: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(8px);
}
.btn--onimage:hover { --bg: #fff; --fg: var(--ink); --bd: #fff; }
.btn--wide { min-width: 208px; }
.btn[disabled] { opacity: 0.55; pointer-events: none; }

/* text link with sweeping underline */
.alink {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-sm);
  letter-spacing: 0.04em;
  padding-bottom: 3px;
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 100% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size var(--t-mid) var(--ease),
    color var(--t-fast) var(--ease-2);
}
.alink:hover { background-size: 0 1px; background-position: 100% 100%; color: var(--accent); }
.alink svg { width: 14px; height: 14px; transition: transform var(--t-mid) var(--ease); }
.alink:hover svg { transform: translate(3px, -3px); }

/* section head */
.shead {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--s5);
  align-items: start;
  margin-bottom: clamp(36px, 4.6vw, 68px);
}
.shead__eyebrow { grid-column: 1 / span 3; }
.shead__title { grid-column: 4 / span 6; }
.shead__aside { grid-column: 10 / span 3; align-self: end; }
.shead__aside p { color: var(--muted); font-size: var(--fs-sm); line-height: 1.9; }
.sec--dark .shead__aside p { color: rgba(242, 239, 232, 0.64); }
.shead--center { text-align: center; }
.shead--center .shead__eyebrow,
.shead--center .shead__title,
.shead--center .shead__aside { grid-column: 1 / -1; justify-self: center; }
.shead--center .shead__aside { max-width: 56ch; }

/* stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}
.sec--dark .stats { border-color: var(--line-dark); }
.stat {
  padding: var(--s5) var(--s5) var(--s5) 0;
  border-bottom: 1px solid var(--line);
}
.sec--dark .stat { border-color: var(--line-dark); }
.stat + .stat { padding-left: var(--s5); border-left: 1px solid var(--line); }
.sec--dark .stat + .stat { border-color: var(--line-dark); }
.stat b {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  font-size: clamp(34px, 3.6vw, 54px);
  line-height: 1.05;
  font-weight: 500;
  letter-spacing: -0.03em;
}
.stat b i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.38em;
  letter-spacing: 0.06em;
  color: var(--accent);
}
.stat > span {
  display: block;
  margin-top: 10px;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--muted);
}
.sec--dark .stat > span { color: var(--on-dark-3); }

/* media */
.media {
  position: relative;
  overflow: hidden;
  background: var(--paper-3);
}
.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease), filter 0.6s ease;
}
.media--4x5 { aspect-ratio: 4 / 5; }
.media--3x2 { aspect-ratio: 3 / 2; }
.media--16x9 { aspect-ratio: 16 / 9; }
.media--21x9 { aspect-ratio: 21 / 9; }
.media--1x1 { aspect-ratio: 1 / 1; }
a.media:hover img, .hover-lift:hover .media img { transform: scale(1.045); }

.caption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-xs);
  color: var(--muted);
}
.sec--dark .caption { border-color: var(--line-dark); color: var(--on-dark-3); }
.caption b { font-weight: 500; color: var(--ink); }
.sec--dark .caption b { color: var(--on-dark); }

/* tags */
.tag {
  display: inline-block;
  padding: 5px 11px;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
  transition: color var(--t-fast), border-color var(--t-fast);
}
.tag:hover { color: var(--accent); border-color: var(--accent); }
.sec--dark .tag { border-color: var(--line-dark); color: var(--on-dark-3); }
.sec--dark .tag:hover { color: var(--on-dark); border-color: var(--on-dark); }

/* marquee */
.marquee {
  overflow: hidden;
  border-block: 1px solid var(--line);
  padding-block: 22px;
  background: var(--paper);
}
.marquee__track {
  display: flex;
  width: max-content;
  gap: 0;
  animation: marquee 46s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee span {
  display: inline-flex;
  align-items: center;
  gap: 28px;
  padding-right: 28px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.marquee span::after {
  content: "";
  width: 5px; height: 5px;
  background: var(--accent);
  transform: rotate(45deg);
}
@keyframes marquee {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-50%, 0, 0); }
}

/* ---------- 06 header / nav ---------- */
.hdr {
  position: fixed;
  inset: 0 0 auto;
  max-width: 100vw;
  z-index: 120;
  height: var(--hdr-h);
  display: flex;
  align-items: center;
  transition: transform 0.55s var(--ease), background 0.35s ease,
    border-color 0.35s ease, height 0.35s ease;
  border-bottom: 1px solid transparent;
}
.hdr__in {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  gap: var(--s6);
}
.hdr.is-solid {
  background: rgba(244, 242, 237, 0.94);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
  height: 70px;
}
.hdr.is-hidden { transform: translateY(-100%); }

.brand { display: inline-flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.brand__mark { width: 30px; height: 30px; flex: 0 0 auto; }
.brand__txt { display: flex; flex-direction: column; line-height: 1; }
.brand__cn {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.16em;
}
.brand__en {
  margin-top: 6px;
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.26em;
  color: var(--muted);
}

.nav { margin-left: auto; display: flex; align-items: center; gap: clamp(14px, 1.9vw, 32px); }
.nav a {
  position: relative;
  font-size: var(--fs-sm);
  letter-spacing: 0.06em;
  color: var(--ink-2);
  padding-block: 6px;
  transition: color var(--t-fast) ease;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-mid) var(--ease);
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--ink); }

/* 语言切换：单按钮循环 中 / EN / 日 */
.langbtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 30px;
  padding: 0 9px;
  border: 1px solid var(--line);
  background: transparent;
  font-family: var(--mono);
  font-size: 10.5px;
  line-height: 1;
  letter-spacing: 0.12em;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color 0.2s var(--ease-2), color 0.2s var(--ease-2);
}
.langbtn:hover { border-color: var(--ink); color: var(--ink); }
.langbtn:focus-visible { outline: 1px solid var(--accent); outline-offset: 2px; }
.langbtn[data-lang="en"], .langbtn[data-lang="ja"] { letter-spacing: 0.06em; }
.langbtn--wide { width: 100%; height: 46px; margin: 18px 0 4px; font-size: 12px; }

.hdr__act { display: flex; align-items: center; gap: 18px; margin-left: var(--s6); }
.hdr__tel {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  transition: color var(--t-fast);
}
.hdr__tel:hover { color: var(--accent); }
.hdr .btn { height: 42px; padding: 0 20px; font-size: var(--fs-xs); }

/* burger */
.burger {
  display: none;
  width: 44px; height: 44px;
  margin-left: auto;
  position: relative;
  align-items: center;
  justify-content: center;
}
.burger span {
  position: absolute;
  left: 11px;
  width: 22px; height: 1.5px;
  background: var(--ink);
  transition: transform 0.4s var(--ease), opacity 0.25s ease;
}
.burger span:nth-child(1) { top: 17px; }
.burger span:nth-child(2) { top: 26px; }
body.menu-open .burger span:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
body.menu-open .burger span:nth-child(2) { transform: translateY(-4.5px) rotate(-45deg); }

/* mobile menu */
.mmenu {
  position: fixed;
  inset: 0;
  max-width: 100vw;
  z-index: 110;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  padding: calc(var(--hdr-h) + 24px) var(--gutter) 32px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.4s var(--ease), transform 0.5s var(--ease),
    visibility 0.4s;
  overflow-y: auto;
}
.mmenu.is-open { opacity: 1; visibility: visible; transform: none; }
.mmenu__list { border-top: 1px solid var(--line); }
.mmenu__list a {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  font-size: clamp(24px, 7vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.mmenu__list a em {
  font-style: normal;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted-2);
  min-width: 22px;
}
.mmenu__foot { margin-top: auto; padding-top: 32px; display: grid; gap: 14px; }
.mmenu__foot .tel {
  font-family: var(--mono);
  font-size: 20px;
  letter-spacing: 0.06em;
}
.mmenu__foot .adr { font-size: var(--fs-sm); color: var(--muted); }

/* ---------- 07 hero ---------- */
.hero {
  position: relative;
  padding-top: calc(var(--hdr-h) + clamp(40px, 6vw, 84px));
  padding-bottom: clamp(28px, 3.4vw, 48px);
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: clamp(40px, 6vw, 72px);
  overflow: hidden;
}
/* 首页首屏整屏背景图：cover 铺满 + 纸色蒙版，文字压左侧实底，右侧透出结构细节 */
.hero--bg {
  background-color: var(--paper);
  isolation: isolate;
}
.hero--bg::before,
.hero--bg::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero--bg::before {
  z-index: -2;
  background-image: url("../img/hero-canopy.jpg");
  background-size: cover;
  background-position: 50% 34%;
  background-repeat: no-repeat;
  opacity: 1;
  transform: scale(1.015);
}
.hero--bg::after {
  z-index: -1;
  background:
    linear-gradient(
      102deg,
      rgba(244, 242, 237, 0.96) 0%,
      rgba(244, 242, 237, 0.95) 28%,
      rgba(244, 242, 237, 0.9) 44%,
      rgba(244, 242, 237, 0.55) 60%,
      rgba(244, 242, 237, 0.24) 78%,
      rgba(244, 242, 237, 0.1) 100%
    ),
    linear-gradient(
      180deg,
      rgba(244, 242, 237, 0.55) 0%,
      rgba(244, 242, 237, 0) 18%,
      rgba(244, 242, 237, 0) 62%,
      rgba(244, 242, 237, 0.82) 100%
    );
}
.hero--bg .hero__foot { border-top-color: rgba(17, 20, 23, 0.16); }
/* 让首屏内容撑满视口：标题贴上方、统计条贴底部 */
.hero > .wrap {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex: 1 1 auto;
}


/* ---------- 英 / 日文排版微调（拉丁与日文长句需要更小字号与更紧字距） ---------- */
html[lang="en"] .h-hero {
  font-size: clamp(36px, 4.2vw, 58px);
  letter-spacing: -0.022em;
  line-height: 1.04;
}
html[lang="ja"] .h-hero {
  font-size: clamp(38px, 5.6vw, 80px);
  letter-spacing: 0;
  line-height: 1.07;
}
html[lang="en"] .eyebrow { letter-spacing: 0.12em; }
html[lang="en"] .stat b,
html[lang="en"] .hero__foot .stat b {
  font-size: clamp(20px, 1.9vw, 26px);
  letter-spacing: -0.02em;
}
html[lang="ja"] .hero__foot .stat b { font-size: clamp(22px, 2.2vw, 32px); }
html[lang="en"] .stat span { letter-spacing: 0; }

.hero__top {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 48px);
  align-items: end;
}
.hero__copy { grid-column: 1 / span 7; }
.hero__media {
  grid-column: 9 / span 4;
  align-self: end;
  position: relative;
}
.hero__media .media { aspect-ratio: 4 / 5; }
.hero__meta {
  grid-column: 1 / span 7;
  display: flex;
  gap: clamp(18px, 3vw, 40px);
  align-items: flex-end;
  margin-top: clamp(28px, 4vw, 44px);
}
.hero__title { margin-top: clamp(18px, 2.6vw, 30px); }
.hero__title .ln { display: block; overflow: hidden; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.hero__title .ln > span {
  display: block;
  transform: translateY(110%);
  transition: transform 1.1s var(--ease);
}
.is-ready .hero__title .ln > span { transform: none; }
.hero__title .ln:nth-child(2) > span { transition-delay: 0.08s; }
.hero__title em { font-style: normal; color: var(--accent); }

.hero__lede { margin-top: clamp(18px, 2.4vw, 28px); max-width: 34em; }
.hero__act { margin-top: clamp(24px, 3vw, 36px); display: flex; gap: 12px; flex-wrap: wrap; }

.hero__foot {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 48px);
  align-items: end;
  padding-top: clamp(20px, 2.6vw, 28px);
  border-top: 1px solid var(--line);
}
.hero__foot .stats { grid-column: 1 / span 7; border: 0; }
.hero__foot .stat { padding-block: 0; border: 0; }
.hero__foot .stat b { font-size: clamp(28px, 2.6vw, 38px); }
.hero__scroll {
  grid-column: 10 / span 3;
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--muted);
}
.hero__scroll i {
  width: 34px; height: 1px;
  background: var(--line);
  position: relative;
  overflow: hidden;
}
.hero__scroll i::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  animation: scrollLine 2.4s var(--ease) infinite;
}
@keyframes scrollLine {
  0% { transform: translateX(-100%); }
  55%, 100% { transform: translateX(100%); }
}

/* 内页 hero */
.phero {
  padding-top: calc(var(--hdr-h) + clamp(52px, 7vw, 96px));
  padding-bottom: clamp(36px, 4.6vw, 64px);
  border-bottom: 1px solid var(--line);
}
.phero__grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 48px);
  align-items: end;
}
.phero__main { grid-column: 1 / span 8; }
.phero__aside { grid-column: 10 / span 3; }
.phero__main .h1 { margin-top: 18px; }
.phero__main .lede { margin-top: 20px; max-width: 32em; }
.phero__aside {
  display: grid;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.phero__aside div { display: flex; justify-content: space-between; gap: 12px; font-size: var(--fs-xs); color: var(--muted); }
.phero__aside b { font-weight: 500; color: var(--ink); font-family: var(--mono); letter-spacing: 0.06em; }
.crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--muted-2);
}
.crumb a { transition: color var(--t-fast); }
.crumb a:hover { color: var(--accent); }

/* ---------- 08 product rows ---------- */
.prow {
  position: relative;
  display: grid;
  grid-template-columns: 52px minmax(0, 0.95fr) minmax(0, 1.05fr) 200px 40px;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  padding-block: clamp(22px, 2.6vw, 34px);
  border-top: 1px solid var(--line);
  transition: background var(--t-mid) ease;
}
.prow:last-child { border-bottom: 1px solid var(--line); }
.prow__no { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; color: var(--muted-2); }
.prow__name { font-size: clamp(20px, 2.1vw, 28px); line-height: 1.3; letter-spacing: -0.01em; }
.prow__en { margin-top: 6px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.22em; color: var(--muted-2); }
.prow__spec { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px 14px; font-size: var(--fs-xs); color: var(--muted); }
.prow__spec span { position: relative; }
.prow__spec span + span::before {
  content: "";
  position: absolute;
  left: -8px; top: 50%;
  width: 2px; height: 2px;
  background: var(--muted-2);
}
.prow__media { width: 100%; aspect-ratio: 16 / 10; overflow: hidden; background: var(--paper-3); }
.prow__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.9s var(--ease); }
.prow__arrow {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast), transform var(--t-mid) var(--ease);
}
.prow__arrow svg { width: 15px; height: 15px; }
.prow:hover { background: rgba(17, 20, 23, 0.025); }
.prow:hover .prow__media img { transform: scale(1.06); }
.prow:hover .prow__arrow { background: var(--accent); border-color: var(--accent); color: #fff; transform: translateX(4px); }
.prow:hover .prow__name { color: var(--accent); }
.prow__link { position: absolute; inset: 0; z-index: 2; }
.prow__link span { position: absolute; width: 1px; height: 1px; overflow: hidden; }

/* ---------- 09 project grid ---------- */
.pgrid {
  display: grid;
  align-items: start;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 34px);
}
.pcard { position: relative; display: block; }
.pcard--wide { grid-column: span 7; }
.pcard--narrow { grid-column: span 5; }
.pcard--full { grid-column: 1 / -1; }
.pcard .media { overflow: hidden; }
.pcard--wide .media { aspect-ratio: 4 / 3; }
.pcard--narrow .media { aspect-ratio: 1 / 1; }
.pcard__meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.pcard__t { font-size: var(--fs-h4); line-height: 1.4; }
.pcard__s { font-size: var(--fs-xs); color: var(--muted); }
.pcard__no { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; color: var(--muted-2); }
.pcard:hover .pcard__t { color: var(--accent); }

/* ---------- 10 engineering / features ---------- */
.feat {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(24px, 4vw, 64px);
}
.feat__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 18px;
  padding-block: clamp(22px, 2.6vw, 32px);
  border-top: 1px solid var(--line-dark);
}
.feat__no { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; color: var(--accent-2); }
.feat__t { font-size: var(--fs-h4); }
.feat__d { margin-top: 8px; font-size: var(--fs-sm); line-height: 1.85; color: var(--on-dark-3); }

/* ---------- 11 split / factory ---------- */
.split {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(24px, 3.4vw, 56px);
  align-items: center;
}
.split__media { grid-column: 1 / span 6; }
.split__copy { grid-column: 8 / span 5; }
.split--rev .split__media { grid-column: 7 / span 6; }
.split--rev .split__copy { grid-column: 1 / span 5; }
.split__media .media { aspect-ratio: 4 / 3; }
.strip3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(10px, 1.4vw, 18px);
  margin-top: clamp(28px, 3.4vw, 44px);
}
.strip3 .media { aspect-ratio: 4 / 3; }
.strip3 figcaption { margin-top: 12px; font-size: var(--fs-xs); color: var(--muted); line-height: 1.7; }
.strip3 figcaption b { display: block; font-weight: 500; color: var(--ink); margin-bottom: 3px; }

/* ---------- 12 timeline ---------- */
.tl { border-top: 1px solid var(--line); }
.tl__row {
  display: grid;
  grid-template-columns: 120px 220px minmax(0, 1fr);
  gap: clamp(16px, 2.6vw, 40px);
  padding-block: clamp(20px, 2.4vw, 30px);
  border-bottom: 1px solid var(--line);
  transition: background var(--t-mid) ease;
}
.tl__row:hover { background: rgba(17, 20, 23, 0.022); }
.tl__y { font-family: var(--mono); font-size: 15px; letter-spacing: 0.08em; color: var(--accent); }
.tl__t { font-size: var(--fs-h4); }
.tl__d { font-size: var(--fs-sm); line-height: 1.9; color: var(--muted); }

/* ---------- 13 culture ---------- */
.cult {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.cult__i {
  padding: clamp(24px, 3vw, 40px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.cult__l {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}
.cult__i p { margin-top: 14px; font-size: var(--fs-sm); line-height: 1.95; color: var(--ink-2); }
.cult__i--slogan p {
  font-family: var(--serif);
  font-size: clamp(24px, 2.6vw, 34px);
  line-height: 1.5;
  color: var(--ink);
}

/* ---------- 14 clients ---------- */
.clients {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.clients li {
  padding: 20px 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: var(--fs-sm);
  line-height: 1.5;
  color: var(--ink-2);
  transition: color var(--t-fast), background var(--t-fast);
}
.clients li:hover { color: var(--accent); background: rgba(17, 20, 23, 0.02); }

/* ---------- 15 overseas ---------- */
.ovstats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.ovstats > div { padding: 26px 24px 26px 0; border-bottom: 1px solid var(--line); }
.ovstats > div + div { padding-left: 24px; border-left: 1px solid var(--line); }
.ovstats b { display: block; font-size: clamp(28px, 2.8vw, 42px); line-height: 1.05; letter-spacing: -0.02em; }
.ovstats b i { font-style: normal; font-family: var(--mono); font-size: 0.36em; color: var(--accent); margin-left: 5px; vertical-align: 0.4em; }
.ovstats > div > span { display: block; margin-top: 8px; font-size: var(--fs-xs); color: var(--muted); }

.ovtable { border-top: 1px solid var(--line-dark); }
.ovrow {
  display: grid;
  grid-template-columns: 0.7fr 1.7fr 0.85fr 1fr 1.4fr 0.7fr;
  gap: 18px;
  align-items: center;
  padding-block: 18px;
  border-bottom: 1px solid var(--line-dark);
  transition: background var(--t-mid) ease;
}
.ovrow:hover { background: rgba(242, 239, 232, 0.03); }
.ovrow > span { font-size: var(--fs-sm); color: var(--on-dark-2); }
.ovrow > span:first-child { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; color: var(--on-dark); }
.ovrow__addr { display: block; margin-top: 5px; font-size: 11.5px; line-height: 1.5; color: var(--on-dark-3); }
.ovrow__addr.is-none { color: rgba(242, 239, 232, 0.36); }
.ovrow--head { padding-block: 12px; }
.ovrow--head span {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-2);
}
.omap {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  justify-self: start;
  padding: 7px 12px;
  border: 1px solid var(--line-dark);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--on-dark);
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.omap svg { width: 12px; height: 12px; }
.omap:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.omap--none { border: 0; padding: 0; color: rgba(242, 239, 232, 0.32); justify-self: start; }

/* globe teaser */
.gteaser {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  background: var(--graphite-2);
  border: 1px solid var(--line-dark);
  overflow: hidden;
}
.gteaser__m { position: relative; overflow: hidden; background: #05070a; }
.gteaser__m img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--ease); }
.gteaser:hover .gteaser__m img { transform: scale(1.04); }
.gteaser__b { padding: clamp(26px, 3.4vw, 52px); display: flex; flex-direction: column; justify-content: center; }
.gteaser__b .h3 { margin-top: 16px; color: var(--on-dark); }
.gteaser__b p { margin-top: 14px; font-size: var(--fs-sm); line-height: 1.9; color: var(--on-dark-3); max-width: 34em; }

/* ---------- 16 table / specs ---------- */
.spec { border-top: 1px solid var(--line); }
.spec__row {
  display: grid;
  grid-template-columns: 0.9fr 1.4fr;
  gap: 20px;
  padding-block: 14px;
  border-bottom: 1px solid var(--line);
}
.spec__row dt { font-size: var(--fs-sm); color: var(--muted); }
.spec__row dd { margin: 0; font-size: var(--fs-sm); color: var(--ink); }

/* ---------- 17 process ---------- */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.step {
  padding: clamp(22px, 2.6vw, 34px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.step__no { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; color: var(--accent); }
.step__t { margin-top: 14px; font-size: var(--fs-h4); }
.step__d { margin-top: 10px; font-size: var(--fs-sm); line-height: 1.9; color: var(--muted); }
.step ul { margin-top: 14px; display: grid; gap: 6px; }
.step li { position: relative; padding-left: 14px; font-size: var(--fs-xs); color: var(--muted); }
.step li::before { content: ""; position: absolute; left: 0; top: 0.72em; width: 5px; height: 1px; background: var(--accent); }

/* ---------- 18 accordion ---------- */
.acc { border-top: 1px solid var(--line); }
.acc__item { border-bottom: 1px solid var(--line); }
.acc__btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
  text-align: left;
  font-size: var(--fs-h4);
  transition: color var(--t-fast);
}
.acc__btn:hover { color: var(--accent); }
.acc__ico { position: relative; width: 16px; height: 16px; flex: 0 0 auto; }
.acc__ico::before, .acc__ico::after {
  content: ""; position: absolute; inset: 50% 0 auto 0;
  height: 1px; background: currentColor;
  transition: transform 0.4s var(--ease);
}
.acc__ico::after { transform: rotate(90deg); }
.acc__item.is-open .acc__ico::after { transform: rotate(0deg); }
.acc__p { overflow: hidden; height: 0; transition: height 0.45s var(--ease); }
.acc__p > div { padding-bottom: 26px; max-width: 62ch; font-size: var(--fs-sm); line-height: 2; color: var(--muted); }

/* ---------- 19 form ---------- */
.form { display: grid; gap: 26px; }
.field { position: relative; }
.field label {
  display: block;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.field label em { font-style: normal; color: var(--accent); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 10px 2px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  outline: none;
  transition: border-color var(--t-fast);
  -webkit-appearance: none;
  appearance: none;
}
.field textarea { resize: vertical; min-height: 88px; }
.field input::placeholder, .field textarea::placeholder { color: var(--muted-2); }
.field input:focus, .field select:focus, .field textarea:focus { border-bottom-color: var(--accent); }
.field.is-error input, .field.is-error textarea { border-bottom-color: #b6462a; }
.field__err { display: none; margin-top: 6px; font-size: 11.5px; color: #9c3a22; }
.field.is-error .field__err { display: block; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.field .upload {
  display: grid;
  font-family: var(--sans);
  text-transform: none;
  letter-spacing: 0;
  color: var(--muted);
  margin-bottom: 0;
  place-items: center;
  gap: 6px;
  padding: 22px;
  border: 1px dashed var(--line);
  text-align: center;
  font-size: var(--fs-xs);
  color: var(--muted);
  cursor: pointer;
  transition: border-color var(--t-fast), background var(--t-fast);
}
.field .upload:hover { border-color: var(--accent); background: var(--accent-soft); }
.field .upload svg { width: 20px; height: 20px; color: var(--muted-2); }
.form__alert {
  margin: 0;
  padding: 12px 14px;
  border-left: 2px solid var(--accent);
  background: var(--accent-soft);
  font-size: var(--fs-sm);
  color: var(--ink-2);
}
.form-ok { display: none; padding: 28px; border: 1px solid var(--line); }
.form-ok.is-on { display: block; }
.form-ok b { font-family: var(--mono); font-size: 20px; letter-spacing: 0.08em; color: var(--accent); }
.consent { font-size: 11.5px; line-height: 1.7; color: var(--muted-2); }

/* ---------- 20 cta ---------- */
.cta {
  position: relative;
  padding-block: clamp(64px, 8vw, 120px);
  background: var(--graphite);
  color: var(--on-dark);
  overflow: hidden;
}
.cta__in {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(28px, 4vw, 64px);
  align-items: end;
}
.cta .h2 { max-width: 18em; }
.cta .lede { color: rgba(242, 239, 232, 0.72); }
.cta .eyebrow { color: rgba(242, 239, 232, 0.5); }
.cta .eyebrow b { color: var(--accent-2); }
.cta__act { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.cta__tel { font-family: var(--mono); font-size: 13px; letter-spacing: 0.1em; color: var(--on-dark-2); }
.cta__tel:hover { color: var(--on-dark); }

/* ---------- 21 footer ---------- */
.ftr { background: var(--paper-2); border-top: 1px solid var(--line); padding-top: clamp(48px, 6vw, 84px); }
.ftr__top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: clamp(24px, 3.4vw, 56px);
  padding-bottom: clamp(36px, 4.4vw, 60px);
}
.ftr__brand p { margin-top: 18px; max-width: 30em; font-size: var(--fs-sm); line-height: 1.9; color: var(--muted); }
.ftr h5 {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 16px;
}
.ftr__list { display: grid; gap: 10px; }
.ftr__list a { font-size: var(--fs-sm); color: var(--ink-2); transition: color var(--t-fast), padding-left var(--t-fast); }
.ftr__list a:hover { color: var(--accent); padding-left: 4px; }
.ftr__contact a { display: block; font-family: var(--mono); font-size: 15px; letter-spacing: 0.04em; }
.ftr__contact span { display: block; margin-top: 8px; font-size: var(--fs-sm); color: var(--muted); line-height: 1.8; }
.ftr__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 20px;
  border-top: 1px solid var(--line);
  font-size: 11.5px;
  color: var(--muted-2);
}
.ftr__bar div { display: flex; gap: 18px; }

/* ---------- 22 dock / mobile bar ---------- */
.dock {
  position: fixed;
  right: 22px; bottom: 26px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.dock.is-show { opacity: 1; transform: none; pointer-events: auto; }
.dock button, .dock a {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  background: rgba(244, 242, 237, 0.9);
  backdrop-filter: blur(8px);
  color: var(--ink);
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.dock svg { width: 16px; height: 16px; }
.dock button:hover, .dock a:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.mbar { display: none; }

/* ---------- 23 motion ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: var(--d, 0ms);
}
[data-reveal].is-in { opacity: 1; transform: none; }

[data-parallax] img {
  will-change: transform;
  transform: translate3d(0, var(--py, 0px), 0) scale(1.08);
}

/* page transition */
@view-transition { navigation: auto; }
::view-transition-old(root) { animation: vtOut 0.28s ease both; }
::view-transition-new(root) { animation: vtIn 0.5s var(--ease) both; }
@keyframes vtOut { to { opacity: 0; } }
@keyframes vtIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

body { opacity: 0; }
body.is-ready { opacity: 1; transition: opacity 0.5s ease; }

/* ---------- 24 responsive ---------- */
/* 矮屏：压缩垂直节奏，标题到统计条仍能一屏放完 */
@media (min-width: 861px) and (max-height: 720px) {
  .hero { padding-top: calc(var(--hdr-h) + 24px); padding-bottom: 24px; gap: 24px; }
  .hero__title { margin-top: 14px; }
  .hero__lede { margin-top: 14px; }
  .hero__act { margin-top: 18px; }
  .hero__foot { padding-top: 16px; }
}

@media (max-width: 1180px) {
  .nav { gap: 16px; }
  .hdr__tel { display: none; }
  .prow { grid-template-columns: 44px minmax(0, 1fr) 210px 160px 36px; }
}

@media (max-width: 1024px) {
  :root { --hdr-h: 72px; }
  .nav { display: none; }
  /* 语言按钮常驻页头，不随菜单折叠 */
  .hdr__act { display: flex; margin-left: auto; margin-right: 0; gap: 0; }
  .hdr__tel, .hdr__act > .btn { display: none; }
  .langbtn { height: 36px; min-width: 46px; padding: 0 10px; font-size: 11px; }
  .burger { display: inline-flex; margin-left: 10px; }
  .hero { min-height: 100svh; padding-top: calc(var(--hdr-h) + 40px); }
  .hero__copy { grid-column: 1 / span 8; }
  .hero__media { grid-column: 9 / span 4; }
  .hero__meta { grid-column: 1 / span 8; }
  .hero__foot .stats { grid-column: 1 / span 9; }
  .hero__scroll { grid-column: 10 / span 3; }
  .shead__eyebrow { grid-column: 1 / -1; margin-bottom: 10px; }
  .shead__title { grid-column: 1 / span 7; }
  .shead__aside { grid-column: 8 / span 5; }
  .ftr__top { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .clients { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  /* 首屏背景：手机改用竖构图，蒙版压平，保证文字随时可读 */
  .hero--bg::before {
    background-image: url("../img/v2/hero.jpg");
    background-position: 50% 26%;
    opacity: 0.9;
  }
  .hero--bg::after {
    background: linear-gradient(
      180deg,
      rgba(244, 242, 237, 0.97) 0%,
      rgba(244, 242, 237, 0.95) 32%,
      rgba(244, 242, 237, 0.86) 48%,
      rgba(244, 242, 237, 0.74) 62%,
      rgba(244, 242, 237, 0.86) 78%,
      rgba(244, 242, 237, 0.96) 100%
    );
  }
  .hero__top { gap: 28px; }
  .hero__copy { grid-column: 1 / -1; }
  .hero__media { grid-column: 1 / -1; margin-top: 8px; }
  .hero__media .media { aspect-ratio: 16 / 10; }
  .hero__meta { grid-column: 1 / -1; flex-wrap: wrap; gap: 16px 28px; }
  .hero__foot { gap: 20px; }
  .hero__foot .stats { grid-column: 1 / -1; grid-template-columns: repeat(2, 1fr); row-gap: 18px; }
  .hero__foot .stat { padding-block: 0 14px; border-bottom: 1px solid var(--line); }
  .hero__foot .stat:nth-child(2n) { padding-left: 0; border-left: 0; }
  .hero__scroll { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { padding-left: 0; border-left: 0; }
  .prow { grid-template-columns: 34px minmax(0, 1fr) 36px; row-gap: 12px; align-items: center; }
  .prow__no { grid-column: 1; grid-row: 1; }
  .prow > span:nth-child(2) { grid-column: 2; grid-row: 1; min-width: 0; }
  .prow__name { font-size: 19px; line-height: 1.35; }
  .prow__arrow { grid-column: 3; grid-row: 1; justify-self: end; }
  .prow__spec { grid-column: 1 / -1; grid-row: 2; justify-content: flex-start; gap: 4px 12px; }
  .prow__media { grid-column: 1 / -1; grid-row: 3; aspect-ratio: 16 / 9; max-height: 320px; }
  .form .btn { width: 100%; }
  .pcard--wide, .pcard--narrow { grid-column: 1 / -1; }
  .pcard--wide .media, .pcard--narrow .media { aspect-ratio: 4 / 3; }
  .split__media, .split__copy, .split--rev .split__media, .split--rev .split__copy { grid-column: 1 / -1; }
  .feat { grid-template-columns: 1fr; }
  .feat__item:nth-child(2n) { border-top: 1px solid var(--line-dark); }
  .ovrow { grid-template-columns: 1fr 1fr; gap: 8px 16px; padding-block: 20px; }
  .ovrow--head { display: none; }
  .ovrow > span:first-child { font-size: 15px; }
  .ovrow > span:nth-child(5) { grid-column: 1 / 2; }
  .ovrow > .omap, .ovrow > .omap--none { grid-column: 2 / 3; justify-self: end; }
  .ovstats { grid-template-columns: repeat(2, 1fr); }
  .ovstats > div:nth-child(3) { padding-left: 0; border-left: 0; }
  .gteaser { grid-template-columns: 1fr; }
  .gteaser__m img { aspect-ratio: 16 / 10; }
  .cult { grid-template-columns: 1fr; }
  .tl__row { grid-template-columns: 84px minmax(0, 1fr); }
  .tl__d { grid-column: 2; }
  .cta__in { grid-template-columns: 1fr; align-items: start; }
  .ftr__top { grid-template-columns: 1fr 1fr; }
  .ftr__brand { grid-column: 1 / -1; }
  .phero__main { grid-column: 1 / -1; }
  .phero__aside { grid-column: 1 / -1; margin-top: 12px; }
}

@media (max-width: 640px) {
  /* 首屏底部让出手机固定操作栏，统计条不被遮住 */
  .hero { padding-bottom: calc(76px + env(safe-area-inset-bottom)); }
  .visit { min-height: 0; padding: 26px 20px; align-items: flex-start; }
  .visit__addr { font-size: 24px; margin-top: 14px; }
  .visit__act { gap: 16px; }
  .visit .btn { width: 100%; }
  .visit__qr img { width: 64px; height: 64px; }
  :root { --fs-body: 15px; --sec: 68px; }
  .hdr__in { gap: 12px; }
  .brand__cn { font-size: 17px; }
  .brand__en { display: none; }
  .shead__title, .shead__aside { grid-column: 1 / -1; }
  .shead__aside { margin-top: 16px; }
  .steps { grid-template-columns: 1fr; }
  .clients { grid-template-columns: repeat(2, 1fr); }
  .strip3 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .ftr__top { grid-template-columns: 1fr; }
  .ftr__bar { flex-direction: column; align-items: flex-start; gap: 10px; padding-bottom: 90px; }
  .dock { display: none; }
  .mbar {
    display: grid;
    max-width: 100vw;
    grid-template-columns: repeat(3, 1fr);
    position: fixed;
    inset: auto 0 0;
    z-index: 100;
    background: rgba(244, 242, 237, 0.96);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--line);
    padding-bottom: env(safe-area-inset-bottom);
  }
  .mbar a, .mbar button {
    height: 56px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    font-size: 10px;
    letter-spacing: 0.06em;
    color: var(--ink-2);
  }
  .mbar svg { width: 16px; height: 16px; }
  .mbar .is-accent { color: var(--accent); }
  .hero__act .btn { flex: 1; min-width: 0; padding: 0 14px; }
  .prow { grid-template-columns: 32px minmax(0, 1fr) 36px; }
  .ovrow { grid-template-columns: 1fr; }
  .ovrow > span:nth-child(5), .ovrow > .omap, .ovrow > .omap--none { grid-column: 1 / -1; justify-self: start; }
}

/* ---------- 25 a11y / print ---------- */


/* ---------- 到访信息卡（联系页 LOCATION） ---------- */
.visit {
  position: relative;
  overflow: hidden;
  min-height: clamp(360px, 40vw, 430px);
  display: flex;
  align-items: center;
  padding: clamp(26px, 3.4vw, 52px);
  background: var(--paper);
  border: 1px solid var(--line);
}
.visit__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.9;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 58%);
  mask-image: linear-gradient(180deg, transparent, #000 58%);
}
.visit__in { position: relative; z-index: 1; max-width: 34em; }
.visit__addr {
  margin-top: 18px;
  font-size: clamp(24px, 2.5vw, 34px);
  line-height: 1.32;
  letter-spacing: -0.012em;
  color: var(--ink);
}
.visit__sub { margin-top: 10px; font-size: var(--fs-sm); color: var(--muted); }
.visit__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 26px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-xs);
  color: var(--muted);
}
.visit__act { display: flex; align-items: center; gap: 20px; margin-top: 26px; flex-wrap: wrap; }
.visit__qr { display: inline-flex; align-items: center; gap: 10px; }
.visit__qr img { width: 72px; height: 72px; border: 1px solid var(--line); background: #fff; padding: 4px; }
.visit__qr span { font-size: 11px; color: var(--muted); letter-spacing: 0.04em; }

/* ---------- 按压反馈：统一的手感（只动 transform 与颜色，合成层动画） ---------- */
.btn, .langbtn, .burger, .mbar a, .mbar button, .dock a, .dock button,
[data-filter], .acc__btn, .lb__x, .wxm__x, .omap, .case-map, .g-back, .skip {
  transition: transform 0.18s var(--ease-2),
    background-color 0.2s var(--ease-2),
    border-color 0.2s var(--ease-2),
    color 0.2s var(--ease-2);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.btn:active, .langbtn:active, .burger:active, .mbar a:active, .mbar button:active,
.dock a:active, .dock button:active, [data-filter]:active, .acc__btn:active,
.lb__x:active, .wxm__x:active, .omap:active, .case-map:active, .g-back:active {
  transform: scale(0.97);
  transition-duration: 0.07s;
}
.btn--solid:active { --bg: #05070a; }
.btn--ghost:active, .btn--light:active { --bg: var(--paper-2); }
.langbtn:active { background: var(--paper-2); }
.mbar a:active, .mbar button:active, .dock a:active, .dock button:active {
  background: rgba(17, 20, 23, 0.05);
}
[data-filter]:active, .acc__btn:active { color: var(--ink); }

@media (prefers-reduced-motion: reduce) {
  .btn:active, .langbtn:active, .burger:active, .mbar a:active, .mbar button:active,
  .dock a:active, .dock button:active, [data-filter]:active, .acc__btn:active,
  .lb__x:active, .wxm__x:active, .omap:active, .case-map:active, .g-back:active {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  [data-parallax] img { transform: none; }
  .hero__title .ln > span { transform: none; }
  body { opacity: 1; }
}

@media print {
  .hdr, .dock, .mbar, .marquee, .hero__scroll { display: none !important; }
  body { opacity: 1; background: #fff; }
  .sec { padding-block: 24px; }
}

/* ---------- 26 additions ---------- */
.prow__name { display: block; }
.prow__en { display: block; }
.tag.is-active { color: #fff; background: var(--ink); border-color: var(--ink); }
.tag.is-active:hover { color: #fff; }
a.tag { display: inline-block; }

.thumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.thumbs figure { position: relative; width: 84px; height: 62px; overflow: hidden; border: 1px solid var(--line); }
.thumbs img { width: 100%; height: 100%; object-fit: cover; }
.thumbs button {
  position: absolute; top: 0; right: 0;
  width: 18px; height: 18px;
  display: grid; place-items: center;
  background: rgba(17, 20, 23, .72); color: #fff;
  font-size: 10px; line-height: 1;
}

.wxm {
  position: fixed; inset: 0; z-index: 300;
  display: grid; place-items: center;
  background: rgba(17, 20, 23, .55);
  backdrop-filter: blur(6px);
  opacity: 0; visibility: hidden;
  transition: opacity .3s ease, visibility .3s;
}
.wxm.is-open { opacity: 1; visibility: visible; }
.wxm__p {
  background: var(--paper);
  padding: 30px 28px 26px;
  width: min(90vw, 320px);
  text-align: center;
  transform: translateY(10px);
  transition: transform .45s var(--ease);
}
.wxm.is-open .wxm__p { transform: none; }
.wxm__p img { width: 200px; height: 200px; margin: 16px auto 0; }
.wxm__x {
  position: absolute; top: 20px; right: 22px;
  width: 40px; height: 40px;
  color: rgba(255, 255, 255, .8);
  font-size: 18px;
}
.wxm__x:hover { color: #fff; }

@media (max-width: 860px) {
  .grid > * { grid-column: 1 / -1 !important; }
  .cta__act { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 14px 24px; }
}

/* ---------------- 现场视频（体育产品页） ---------------- */
.vgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 34px; }
.vcard { border: 1px solid var(--line); background: #fff; overflow: hidden; }
.vcard video { display: block; width: 100%; aspect-ratio: 3 / 4; object-fit: cover; background: #0e1116; }
.vcard figcaption { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; padding: 12px 14px; }
.vcard b { font-size: 0.88rem; font-weight: 600; }
.vcard figcaption span { font-size: 0.72rem; color: var(--muted); letter-spacing: 0.08em; white-space: nowrap; }
@media (max-width: 980px) { .vgrid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .vgrid { grid-template-columns: 1fr; } }