/* XG 官网 —— 按《视觉识别手册》(design/BRAND.md + templates/style-vi.css) 重排
   规则：60 白底 / 30 深蓝 / 10 中性灰 / ≤5 绿；绿色只做信号（编号、kicker、一条短横）。
   西文全站 Barlow（常规宽度），中文 HarmonyOS Sans SC，编号与标注 IBM Plex Mono。
   无渐变装饰（只留封面压图用的深蓝蒙版）、无投影、无彩虹、无圆角药丸。
   构建时把 @font-face 注入 @font-face{font-family:"HarmonyOS Sans SC";font-weight:400;font-style:normal;font-display:swap;src:url(../fonts/harmonyos-sans-sc-400-normal.woff2) format("woff2");}
@font-face{font-family:"HarmonyOS Sans SC";font-weight:700;font-style:normal;font-display:swap;src:url(../fonts/harmonyos-sans-sc-700-normal.woff2) format("woff2");}
@font-face{font-family:"Barlow";font-weight:400;font-style:normal;font-display:swap;src:url(../fonts/barlow-latin-400-normal.woff2) format("woff2");}
@font-face{font-family:"Barlow";font-weight:500;font-style:normal;font-display:swap;src:url(../fonts/barlow-latin-500-normal.woff2) format("woff2");}
@font-face{font-family:"Barlow";font-weight:600;font-style:normal;font-display:swap;src:url(../fonts/barlow-latin-600-normal.woff2) format("woff2");}
@font-face{font-family:"Barlow";font-weight:700;font-style:normal;font-display:swap;src:url(../fonts/barlow-latin-700-normal.woff2) format("woff2");}
@font-face{font-family:"IBM Plex Mono";font-weight:400;font-style:normal;font-display:swap;src:url(../fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2");} 处（src/site.py）。 */

@font-face{font-family:"HarmonyOS Sans SC";font-weight:400;font-style:normal;font-display:swap;src:url(../fonts/harmonyos-sans-sc-400-normal.woff2) format("woff2");}
@font-face{font-family:"HarmonyOS Sans SC";font-weight:700;font-style:normal;font-display:swap;src:url(../fonts/harmonyos-sans-sc-700-normal.woff2) format("woff2");}
@font-face{font-family:"Barlow";font-weight:400;font-style:normal;font-display:swap;src:url(../fonts/barlow-latin-400-normal.woff2) format("woff2");}
@font-face{font-family:"Barlow";font-weight:500;font-style:normal;font-display:swap;src:url(../fonts/barlow-latin-500-normal.woff2) format("woff2");}
@font-face{font-family:"Barlow";font-weight:600;font-style:normal;font-display:swap;src:url(../fonts/barlow-latin-600-normal.woff2) format("woff2");}
@font-face{font-family:"Barlow";font-weight:700;font-style:normal;font-display:swap;src:url(../fonts/barlow-latin-700-normal.woff2) format("woff2");}
@font-face{font-family:"IBM Plex Mono";font-weight:400;font-style:normal;font-display:swap;src:url(../fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2");}

:root {
  --navy: #123F5F;
  --deep: #0B2437;
  --blue: #1E628C;
  --green: #4B963F;
  --green-soft: #8DCB80;
  --ink: #16212B;
  --muted: #64727F;
  --line: #E3E8EE;
  --tint: #F6F8FA;
  --on-dark: #B9C9D4;
  --on-dark-dim: #8FA6B6;
  --on-dark-line: #21455F;

  --wrap: 1180px;
  --r: 2px;

  --sans: "Barlow", "HarmonyOS Sans SC", system-ui, sans-serif;
  --cn: "HarmonyOS Sans SC", "Barlow", sans-serif;
  --display: "Barlow", "HarmonyOS Sans SC", sans-serif;
  --mono: "IBM Plex Mono", "HarmonyOS Sans SC", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: #fff;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.nav-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
em, i { font-style: normal; }

.wrap { width: min(100% - 48px, var(--wrap)); margin-inline: auto; }

.skip {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: #fff; color: var(--navy); padding: 10px 16px;
  font-size: 14px; border: 1px solid var(--navy);
}
.skip:focus { top: 16px; }

:where(a, button, [tabindex]):focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

h1, h2, h3 { color: var(--navy); line-height: 1.22; font-weight: 700; letter-spacing: .01em; text-wrap: balance; }
h2 { font-family: var(--display); font-size: clamp(26px, 3vw, 34px); letter-spacing: .01em; text-wrap: balance; }
h3 { font-family: var(--display); font-size: 20px; letter-spacing: .01em; }

/* 小标：等宽 + 字距，绿色只给编号和 kicker */
.kicker {
  font-family: var(--mono);
  font-size: 12px; letter-spacing: .24em; text-transform: uppercase;
  color: var(--muted);
  display: flex; align-items: center; gap: 10px;
}
.kicker em { color: var(--green); font-weight: 500; }
.kicker::after {
  content: ""; width: 28px; height: 2px; background: var(--green); flex: 0 0 auto;
}

.lead { margin-top: 16px; font-size: 17px; line-height: 1.7; color: #33454F; max-width: 66ch; }
.fine { margin-top: 18px; font-size: 13px; line-height: 1.7; color: var(--muted); }
.mini-h {
  font-family: var(--mono);
  font-size: 11.5px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--navy); font-weight: 500;
  padding-bottom: 10px; border-bottom: 1px solid var(--line);
}
.mini-h em { margin-left: 12px; color: var(--on-dark-dim); letter-spacing: .1em; }

/* 六边形栅格（标志几何的延伸，只做背景） */
.hexlattice {
  position: absolute; inset: 0; pointer-events: none;
  opacity: .35;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='96' height='83' viewBox='0 0 96 83'><polygon points='24,1 72,1 96,41.5 72,82 24,82 0,41.5' fill='none' stroke='%231E628C' stroke-width='0.6' opacity='0.5'/></svg>");
  background-size: 96px 83px;
  mask-image: radial-gradient(120% 90% at 78% 12%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(120% 90% at 78% 12%, #000 0%, transparent 72%);
}

/* ── 头部 ───────────────────────────────────────────────── */
.hd { position: fixed; inset: 0 0 auto; z-index: 60; transition: background .25s, box-shadow .25s; }
.hd-in { display: flex; align-items: center; gap: 30px; height: 78px; }
.hd.is-scrolled { background: rgba(11, 36, 55, .94); box-shadow: inset 0 -1px 0 var(--on-dark-line); }
.logo { display: flex; align-items: center; gap: 12px; color: #fff; min-width: 0; }
.logo .mark { width: 28px; height: 28px; display: block; flex: 0 0 auto; }
.logo-t {
  display: flex; flex-direction: column; line-height: 1.15;
  font-family: var(--cn); font-size: 16px; font-weight: 700; letter-spacing: .06em;
}
.logo-t i {
  font-family: var(--mono); font-size: 9.5px; font-weight: 400;
  letter-spacing: .16em; color: rgba(255,255,255,.45); margin-top: 3px;
}
.nav { display: flex; gap: 24px; margin-left: auto; }
.nav a { font-size: 14px; color: rgba(255,255,255,.72); transition: color .2s; display: inline-flex; align-items: center; gap: 6px; }
.nav a em { display: none; font-family: var(--mono); font-size: 10px; color: var(--green-soft); letter-spacing: .1em; }
.nav a:hover { color: #fff; }
.hd-r { display: flex; align-items: center; gap: 14px; }
.lang {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .12em;
  color: rgba(255,255,255,.72);
  border: 1px solid var(--on-dark-line); padding: 6px 11px;
  border-radius: var(--r); transition: color .2s, border-color .2s;
}
.lang:hover { color: #fff; border-color: rgba(255,255,255,.55); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; border-radius: var(--r);
  background: var(--navy); color: #fff;
  font-family: var(--cn); font-size: 15px; font-weight: 500; letter-spacing: .02em;
  border: 1px solid var(--navy);
  transition: background .2s, border-color .2s, color .2s;
}
.btn:hover { background: var(--blue); border-color: var(--blue); }
.btn.ghost { background: transparent; border-color: var(--on-dark-line); color: #fff; }
.btn.ghost:hover { background: transparent; border-color: var(--green-soft); color: var(--green-soft); }
.btn-sm { padding: 9px 16px; font-size: 13px; }
.hero .btn { background: #fff; color: var(--navy); border-color: #fff; }
.hero .btn:hover { background: var(--green-soft); border-color: var(--green-soft); color: var(--deep); }
.hero .btn.ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.hero .btn.ghost:hover { border-color: #fff; color: #fff; }

.burger {
  display: none; width: 40px; height: 40px; background: none; border: 0;
  cursor: pointer; position: relative;
}
.burger span {
  position: absolute; left: 9px; right: 9px; height: 1.5px; background: #fff;
  transition: transform .25s;
}
.burger span:first-child { top: 15px; }
.burger span:last-child { top: 24px; }
.burger.is-open span:first-child { transform: translateY(4.5px) rotate(45deg); }
.burger.is-open span:last-child { transform: translateY(-4.5px) rotate(-45deg); }

/* ── 封面 ───────────────────────────────────────────────── */
.hero {
  position: relative; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  background: var(--deep); overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 58%; }
.hero-veil {
  position: absolute; inset: 0;
  background:
    linear-gradient(105deg, rgba(11, 36, 55, .95) 0%, rgba(11, 36, 55, .86) 44%, rgba(11, 36, 55, .55) 74%, rgba(11, 36, 55, .72) 100%),
    linear-gradient(0deg, rgba(11, 36, 55, .92) 0%, rgba(11, 36, 55, 0) 46%);
}
.hero .hexlattice { opacity: .5; }
.hero-in { position: relative; padding: 140px 0 0; color: #fff; }
.hero .kicker { color: rgba(255,255,255,.62); }
.hero .kicker::after { display: none; }
.hero h1 { margin-top: 20px; color: #fff; }
.h1-cn {
  display: block; font-family: var(--cn); font-weight: 700;
  font-size: clamp(38px, 5.4vw, 56px); letter-spacing: .06em; line-height: 1.2;
}
.h1-en {
  display: block; font-family: var(--display); font-weight: 700;
  font-size: clamp(32px, 4.6vw, 52px); letter-spacing: .06em; line-height: 1.14;
  text-transform: uppercase; text-wrap: balance;
}
.h1-sub {
  display: block; margin-top: 14px; font-family: var(--mono); font-weight: 400;
  font-size: clamp(12px, 1.2vw, 14px); letter-spacing: .2em; text-transform: uppercase;
  color: var(--green-soft);
}
.hero-sub { margin-top: 28px; font-family: var(--display); font-size: clamp(17px, 1.8vw, 21px); font-weight: 500; letter-spacing: .02em; color: #EAF1F5; }
.hero-line { margin-top: 10px; font-size: 15px; color: rgba(255,255,255,.6); max-width: 60ch; }
.hero-cta { display: flex; gap: 12px; margin-top: 34px; flex-wrap: wrap; }

.hero-stats {
  position: relative; display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px; margin-top: 68px; padding: 26px 0 44px;
  border-top: 1px solid rgba(255,255,255,.2);
}
.hero-stats .stat b {
  display: block; font-family: var(--display); font-weight: 700;
  font-size: clamp(28px, 3.4vw, 44px); line-height: 1; color: #fff;
  font-variant-numeric: tabular-nums;
}
.hero-stats .stat b i { font-family: var(--mono); font-size: .34em; font-weight: 500; color: var(--green-soft); margin-left: 5px; }
.hero-stats .stat span {
  display: block; margin-top: 10px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  color: rgba(255,255,255,.55);
}

/* ── 通用区块 ───────────────────────────────────────────── */
.sec, .hero { scroll-margin-top: 88px; }
.sec { padding: clamp(64px, 8vw, 112px) 0; position: relative; }
.sec-alt { background: var(--tint); }
.sec-dark { background: var(--deep); }
.sec-dark h2, .sec-dark h3 { color: #fff; }
.sec-dark .lead { color: var(--on-dark); }
.sec-dark .fine { color: var(--on-dark-dim); }
.sec-dark .kicker { color: var(--on-dark-dim); }
.sec-dark .mini-h { color: #fff; border-color: var(--on-dark-line); }
.sec-dark .mini-h em { color: var(--on-dark-dim); }
.sec-h { max-width: 780px; margin-bottom: 44px; }
.sec-h h2 { margin-top: 14px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 68px); align-items: start; }

.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ── 01 产品线 ──────────────────────────────────────────── */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r);
  overflow: hidden; transition: border-color .2s;
}
.card:hover { border-color: var(--blue); }
.card-img { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--tint); }
.card-img img { width: 100%; height: 100%; object-fit: cover; }
.chip {
  position: absolute; left: 0; bottom: 0;
  font-family: var(--mono); font-size: 11px; letter-spacing: .1em;
  background: var(--deep); color: var(--green-soft); padding: 6px 11px;
}
.card-body { padding: 20px 22px 24px; }
.card-num { font-family: var(--mono); font-size: 11px; letter-spacing: .2em; color: var(--green); }
.card-body h3 { margin-top: 8px; }
.card-body p { margin-top: 10px; font-size: 14.5px; line-height: 1.7; color: var(--muted); }

.combos { margin-top: 44px; padding-top: 34px; border-top: 1px solid var(--line); }
.combo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0; margin-top: 20px; }
.combo { padding: 18px 20px; background: #fff; border: 1px solid var(--line); margin: -1px 0 0 -1px; border-left: 2px solid var(--line); transition: border-color .2s; }
.combo:hover { border-left-color: var(--green); }
.combo b { display: block; font-family: var(--display); font-size: 15px; color: var(--navy); }
.combo span { display: block; margin-top: 6px; font-size: 13.5px; line-height: 1.7; color: var(--muted); }

/* ── 02 工艺 ────────────────────────────────────────────── */
.steps { list-style: none; margin-top: 30px; }
.steps li {
  display: grid; grid-template-columns: 40px 1fr; gap: 4px 16px;
  padding: 16px 0; border-top: 1px solid var(--line);
}
.steps li:last-child { border-bottom: 1px solid var(--line); }
.steps .n { font-family: var(--mono); font-size: 11.5px; color: var(--green); padding-top: 4px; letter-spacing: .08em; }
.steps .t { font-family: var(--display); font-size: 15.5px; font-weight: 700; color: var(--navy); }
.steps .d { grid-column: 2; font-size: 14px; line-height: 1.7; color: var(--muted); }
.proc-side .fig { border: 1px solid var(--line); background: #fff; overflow: hidden; }
.proc-side .fig img { width: 100%; height: auto; }
.safety { margin-top: 28px; }
.row { display: grid; grid-template-columns: 128px 1fr; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.row b { font-family: var(--display); font-size: 13.5px; color: var(--navy); font-weight: 700; }
.row span { font-size: 13.5px; line-height: 1.65; color: var(--muted); }

/* ── 03 产出 ────────────────────────────────────────────── */
.yield-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 0; }
.y { padding: 24px 22px; background: #fff; border: 1px solid var(--line); margin: -1px 0 0 -1px; }
.y b {
  font-family: var(--display); font-size: 36px; font-weight: 700; color: var(--navy);
  line-height: 1; font-variant-numeric: tabular-nums; display: block;
  border-bottom: 2px solid var(--green); padding-bottom: 12px;
}
.yn { display: block; margin-top: 12px; font-family: var(--display); font-size: 15px; font-weight: 700; color: var(--navy); }
.yd { display: block; margin-top: 6px; font-size: 13px; line-height: 1.7; color: var(--muted); }

.io-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; margin-top: 56px; }
.io-items { display: grid; grid-template-columns: 1fr 1fr; gap: 0 22px; }
.io-i { padding: 14px 0; border-bottom: 1px solid var(--line); }
.io-i b {
  font-family: var(--display); font-size: 25px; font-weight: 700; color: var(--ink);
  line-height: 1; font-variant-numeric: tabular-nums;
}
.io-i b i { font-family: var(--mono); font-size: 10.5px; font-weight: 500; color: var(--green); margin-left: 5px; letter-spacing: .04em; }
.io-i span { display: block; margin-top: 7px; font-size: 12.5px; line-height: 1.5; color: var(--muted); }

.test-band { margin-top: 56px; }
.test-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 22px; }
.test-grid .t b {
  font-family: var(--display); font-size: 28px; font-weight: 700; color: var(--navy);
  line-height: 1; font-variant-numeric: tabular-nums;
}
.test-grid .t b i { font-family: var(--mono); font-size: .4em; font-weight: 500; color: var(--muted); margin-left: 4px; }
.test-grid .t span { display: block; margin-top: 8px; font-size: 12.5px; line-height: 1.55; color: var(--muted); }

/* ── 04 工厂 ────────────────────────────────────────────── */
.facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 28px; margin-top: 34px; }
.facts .f { display: flex; justify-content: space-between; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--on-dark-line); }
.facts .f span { font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--on-dark-dim); align-self: center; }
.facts .f b { font-family: var(--display); font-size: 14px; color: #fff; font-weight: 700; text-align: right; }
.factory-side .fig { position: relative; overflow: hidden; }
.factory-side .fig img { width: 100%; height: auto; }
.factory-side .fig figcaption {
  position: absolute; left: 0; bottom: 0; right: 0;
  font-size: 12px; color: #fff; background: rgba(11, 36, 55, .82);
  padding: 9px 12px; border-top: 1px solid rgba(255,255,255,.12);
}
.qc { margin-top: 28px; }
.sec-dark .row { border-color: var(--on-dark-line); }
.sec-dark .row b { color: #fff; }
.sec-dark .row span { color: var(--on-dark); }
.gal { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin-top: 52px; }
.gal .fig { position: relative; aspect-ratio: 16 / 10; overflow: hidden; border: 1px solid var(--on-dark-line); }
.gal .fig img { width: 100%; height: 100%; object-fit: cover; }
.gal .fig figcaption {
  position: absolute; left: 0; bottom: 0; right: 0;
  font-size: 11.5px; line-height: 1.5; color: #fff;
  background: rgba(11, 36, 55, .82); padding: 8px 11px;
}

/* ── 资质 ───────────────────────────────────────────────── */
.cert-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(186px, 1fr)); gap: 0; }
.cert { display: block; padding: 16px; background: #fff; border: 1px solid var(--line); margin: -1px 0 0 -1px; transition: background .2s; }
.cert:hover { background: var(--tint); }
.cert img { width: 100%; height: auto; border: 1px solid var(--line); background: #fff; padding: 6px; }
.cert b { display: block; margin-top: 14px; font-family: var(--display); font-size: 14px; color: var(--navy); }
.cert span { display: block; margin-top: 5px; font-size: 12px; line-height: 1.6; color: var(--muted); }

/* ── 05 客户 ────────────────────────────────────────────── */
.stats4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-bottom: 44px; }
.stats4 .s b {
  font-family: var(--display); font-size: clamp(28px, 3.4vw, 42px); font-weight: 700;
  color: var(--navy); line-height: 1; font-variant-numeric: tabular-nums;
}
.stats4 .s b i { font-family: var(--mono); font-size: .36em; font-weight: 500; color: var(--green); margin-left: 4px; }
.stats4 .s span { display: block; margin-top: 9px; font-size: 12.5px; color: var(--muted); }
.tablewrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
.tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 620px; }
.tbl th {
  text-align: left; font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em;
  text-transform: uppercase; color: #fff; font-weight: 500;
  padding: 13px 18px; background: var(--navy);
}
.tbl td { padding: 13px 18px; border-bottom: 1px solid var(--line); color: #33454F; font-variant-numeric: tabular-nums; }
.tbl tbody tr:nth-child(even) td { background: var(--tint); }
.tbl tr:last-child td { border-bottom: 0; }
.tbl td:first-child { color: var(--navy); font-weight: 600; }

/* ── 服务 ───────────────────────────────────────────────── */
.svc-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; }
.svc { padding: 22px; background: #fff; border: 1px solid var(--line); margin: -1px 0 0 -1px; }
.svc .n { font-family: var(--mono); font-size: 11px; letter-spacing: .18em; color: var(--green); }
.svc b { display: block; margin-top: 9px; font-family: var(--display); font-size: 16px; color: var(--navy); }
.svc span { display: block; margin-top: 8px; font-size: 13.5px; line-height: 1.7; color: var(--muted); }
.timeline { margin-top: 48px; }
.tl { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; margin-top: 22px; }
.tl-i { padding: 16px 0 0; border-top: 2px solid var(--navy); }
.tl-i b { display: block; font-family: var(--display); font-size: 22px; font-weight: 700; color: var(--navy); line-height: 1; font-variant-numeric: tabular-nums; }
.tl-i span { display: block; margin-top: 8px; font-size: 13px; color: var(--muted); }

/* ── 06 联系 ────────────────────────────────────────────── */
.sec-cta { background: var(--deep); overflow: hidden; }
.sec-cta .kicker { color: var(--on-dark-dim); }
.sec-cta .wrap { position: relative; }
.cta-grid { align-items: center; }
.sec-cta h2 { color: #fff; font-size: clamp(28px, 3.6vw, 40px); text-wrap: balance; }
.sec-cta .lead { color: var(--on-dark); }
.addr { margin-top: 20px; font-family: var(--mono); font-size: 12.5px; letter-spacing: .04em; color: var(--on-dark-dim); }
.cta-actions { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.sec-cta .btn { background: #fff; color: var(--navy); border-color: #fff; }
.sec-cta .btn:hover { background: var(--green-soft); border-color: var(--green-soft); }
.sec-cta .btn.ghost { background: transparent; color: #fff; border-color: var(--on-dark-line); }
.sec-cta .btn.ghost:hover { border-color: #fff; color: #fff; }
.people { display: grid; gap: 12px; }
.person {
  display: grid; grid-template-columns: 1fr auto; gap: 2px 18px;
  padding: 18px 20px; border: 1px solid var(--on-dark-line);
  border-left: 2px solid var(--green); background: rgba(255,255,255,.02);
}
.person .pn { font-family: var(--display); font-size: 16px; font-weight: 700; color: #fff; }
.person .pr { grid-row: 2; font-size: 12.5px; color: var(--on-dark-dim); }
.person .pp { grid-row: 1 / span 2; grid-column: 2; align-self: center; font-family: var(--mono); font-size: 13px; color: var(--green-soft); font-variant-numeric: tabular-nums; }
.person .pm { grid-column: 2; font-family: var(--mono); font-size: 12px; color: var(--on-dark); }

/* ── 页脚 ───────────────────────────────────────────────── */
.ft { background: var(--deep); color: var(--on-dark-dim); padding: 36px 0 34px; font-size: 12.5px; border-top: 1px solid var(--on-dark-line); }
.ft-in { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 32px; }
.ft-code { font-family: var(--mono); font-size: 10.5px; letter-spacing: .18em; color: var(--green-soft); }
.ft-brand b { display: block; font-family: var(--display); color: rgba(255,255,255,.9); font-size: 13px; font-weight: 700; letter-spacing: .04em; }
.ft-brand span { display: block; margin-top: 3px; font-family: var(--mono); font-size: 10px; letter-spacing: .14em; color: rgba(255,255,255,.35); }
.ft-links { display: flex; gap: 22px; margin-left: auto; font-family: var(--mono); font-size: 11.5px; }
.ft-links a { color: var(--on-dark); transition: color .2s; }
.ft-links a:hover { color: #fff; }
.ft-legal { flex-basis: 100%; padding-top: 18px; border-top: 1px solid var(--on-dark-line); font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em; color: rgba(255,255,255,.32); }

/* ── 响应式 ─────────────────────────────────────────────── */
@media (max-width: 1000px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .nav {
    position: fixed; inset: 0 0 auto; top: 0; padding: 96px 24px 32px;
    flex-direction: column; gap: 0; background: rgba(11, 36, 55, .98);
    transform: translateY(-100%); transition: transform .3s ease;
    margin-left: 0; border-bottom: 1px solid var(--on-dark-line);
  }
  .nav.is-open { transform: none; }
  .nav a { font-size: 17px; padding: 14px 0; border-bottom: 1px solid var(--on-dark-line); color: rgba(255,255,255,.85); }
  .nav a em { display: inline; }
  .burger { display: block; }
  .hd-r .btn { display: none; }
  .grid-2 { grid-template-columns: 1fr; }
  .svc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .io-grid { grid-template-columns: 1fr; gap: 30px; }
  .factory-side { order: -1; }
}
@media (max-width: 720px) {
  .wrap { width: calc(100% - 36px); }
  .logo-t i { display: none; }
  .h1-sub { letter-spacing: .12em; line-height: 1.5; }
  .h1-cn { letter-spacing: .04em; }
  .cards { grid-template-columns: 1fr; }
  .svc-grid { grid-template-columns: 1fr; }
  .hero-in { padding-top: 116px; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 48px; padding-bottom: 34px; }
  .stats4 { grid-template-columns: 1fr 1fr; }
  .test-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .facts { grid-template-columns: 1fr; }
  .io-items { gap: 0 18px; }
  .row { grid-template-columns: 1fr; gap: 3px; }
  .ft-in { flex-direction: column; align-items: flex-start; }
  .ft-links { margin-left: 0; flex-wrap: wrap; }
  .person { grid-template-columns: 1fr; }
  .person .pp, .person .pm { grid-column: 1; grid-row: auto; margin-top: 6px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .nav { transition: none; }
}