/* ==========================================================
   德安实业 · Dean Industrial — site stylesheet
   ========================================================== */
@font-face {
  font-family: "Dean Serif";
  src: url("/assets/fonts/dean-serif-600.woff2?v=fea54ea99d") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
:root {
  --ink-950: #070c0a;
  --ink-900: #0b1310;
  --ink-800: #111b17;
  --ink-700: #1a2722;
  --ink-600: #283832;
  --paper: #f6f3ec;
  --paper-2: #eeeae0;
  --paper-3: #e4dfd2;
  --line: #d9d2c3;
  --text: #1a211e;
  --text-2: #4c5752;
  --on-dark: #eef1ee;
  --on-dark-2: #a9b5af;
  --jade: #1f9c83;
  --jade-deep: #12705e;
  --jade-light: #86dcc7;
  --gold: #b48f57;
  --gold-light: #dcc293;
  --red: #d7282f;
  --serif: "Dean Serif", "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --wrap: 1280px;
  --gutter: clamp(20px, 4.2vw, 56px);
  --section: clamp(84px, 11vw, 168px);
  --ease: cubic-bezier(.2, .7, .2, 1);
  --header-h: 84px;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font: 400 17px/1.85 var(--sans);
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, picture, svg { display: block; max-width: 100%; }
picture { width: 100%; height: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; margin: 0; line-height: 1.28; letter-spacing: .02em; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--jade-light); outline-offset: 3px; }
::selection { background: var(--jade); color: #fff; }
sub { font-size: .7em; vertical-align: baseline; position: relative; top: .25em; }
.wrap { width: 100%; max-width: calc(var(--wrap) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }
.serif { font-family: var(--serif); font-weight: 600; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 200; background: var(--jade-deep); color: #fff; padding: 10px 16px; }
.skip:focus { top: 12px; }
/* ---------- eyebrow / headings ---------- */
.eyebrow {
  display: flex; align-items: center; gap: 14px;
  font: 600 12px/1.4 var(--sans); letter-spacing: .26em; text-transform: uppercase;
  color: var(--jade-deep); margin-bottom: 26px;
}
.eyebrow::before { content: ""; width: 36px; height: 1px; background: currentColor; opacity: .7; }
.eyebrow .no { font-family: var(--serif); letter-spacing: .08em; color: var(--gold); }
.dark .eyebrow { color: var(--jade-light); }
.h2 { font-size: clamp(30px, 3.6vw, 52px); }
.lead { font-size: clamp(17px, 1.35vw, 19px); color: var(--text-2); max-width: 40em; }
.dark .lead { color: var(--on-dark-2); }
.section { padding: var(--section) 0; position: relative; }
.section-head { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 32px 64px; align-items: end; margin-bottom: clamp(44px, 6vw, 80px); }
.section-head .lead { margin: 0; }
.dark { background: var(--ink-900); color: var(--on-dark); }
.dark-2 { background: var(--ink-800); color: var(--on-dark); }
.paper-2 { background: var(--paper-2); }
.more {
  display: inline-flex; align-items: center; gap: 12px;
  font-weight: 600; font-size: 15px; letter-spacing: .08em; color: var(--jade-deep);
  border-bottom: 1px solid currentColor; padding-bottom: 4px; transition: gap .3s var(--ease);
}
.more:hover { gap: 18px; }
.dark .more { color: var(--jade-light); }
.more svg { width: 16px; height: 16px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 54px; padding: 0 30px; font-size: 15px; font-weight: 600; letter-spacing: .12em;
  border: 1px solid transparent; transition: background .3s, color .3s, border-color .3s, transform .3s var(--ease);
}
.btn svg { width: 16px; height: 16px; transition: transform .3s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn-primary { background: var(--jade-deep); color: #fff; }
.btn-primary:hover { background: #0e5f50; }
.btn-ghost { border-color: rgba(255,255,255,.45); color: #fff; }
.btn-ghost:hover { background: #fff; color: var(--ink-900); border-color: #fff; }
.btn-line { border-color: var(--text); color: var(--text); }
.btn-line:hover { background: var(--text); color: var(--paper); }
/* ---------- header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--header-h);
  color: #fff; transition: background .4s, height .4s var(--ease), box-shadow .4s;
}
.site-header::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(7,12,10,.55), rgba(7,12,10,0)); pointer-events: none; transition: opacity .4s; }
.site-header .wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; position: relative; }
.is-scrolled .site-header, .site-header.solid { background: rgba(9,15,13,.92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); height: 70px; box-shadow: 0 1px 0 rgba(255,255,255,.06); }
.is-scrolled .site-header::before, .site-header.solid::before { opacity: 0; }
.brand { display: flex; align-items: center; gap: 14px; color: #fff; flex-shrink: 0; }
.brand .mark { width: 46px; height: 38px; color: #f3efe6; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name { font: 600 22px/1 var(--serif); letter-spacing: .18em; }
.brand-en { font: 600 9.5px/1 var(--sans); letter-spacing: .36em; margin-top: 8px; opacity: .72; }
.site-nav { display: flex; align-items: center; gap: clamp(20px, 2.6vw, 40px); }
.site-nav ul { display: flex; gap: clamp(18px, 2.4vw, 38px); list-style: none; margin: 0; padding: 0; }
.site-nav a.nav-link { position: relative; font-size: 15px; letter-spacing: .12em; padding: 8px 0; opacity: .88; transition: opacity .3s; }
.site-nav a.nav-link::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--jade-light); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); }
.site-nav a.nav-link:hover, .site-nav a.nav-link[aria-current="page"] { opacity: 1; }
.site-nav a.nav-link:hover::after, .site-nav a.nav-link[aria-current="page"]::after { transform: scaleX(1); }
.nav-cta { height: 42px; padding: 0 20px; font-size: 14px; border: 1px solid rgba(255,255,255,.4); letter-spacing: .12em; display: inline-flex; align-items: center; transition: background .3s, color .3s, border-color .3s; }
.nav-cta:hover { background: #fff; color: var(--ink-900); border-color: #fff; }
.nav-toggle { display: none; width: 44px; height: 44px; position: relative; }
.nav-toggle span { position: absolute; left: 10px; right: 10px; height: 1.5px; background: #fff; transition: transform .35s var(--ease), opacity .3s; }
.nav-toggle span:nth-child(1) { top: 16px; }
.nav-toggle span:nth-child(2) { top: 22px; }
.nav-toggle span:nth-child(3) { top: 28px; }
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
/* ---------- hero ---------- */
.hero { position: relative; min-height: 640px; height: 100vh; height: 100svh; color: #fff; overflow: hidden; background: var(--ink-950); display: flex; flex-direction: column; }
.hero-media, .hero-slide { position: absolute; inset: 0; }
.hero-slide { opacity: 0; transition: opacity 1.4s ease; }
.hero-slide.is-active { opacity: 1; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.06); }
.hero-slide.is-active img { animation: kenburns 9s linear forwards; }
@keyframes kenburns { from { transform: scale(1.06); } to { transform: scale(1.0); } }
.hero-media::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(7,12,10,.88) 0%, rgba(7,12,10,.62) 38%, rgba(7,12,10,.18) 72%, rgba(7,12,10,.1) 100%),
    linear-gradient(0deg, rgba(7,12,10,.92) 0%, rgba(7,12,10,0) 36%);
}
.hero-body { position: relative; z-index: 2; flex: 1; display: flex; align-items: center; padding-top: var(--header-h); }
.hero-copy { max-width: 1000px; }
.hero .eyebrow { color: var(--gold-light); }
.hero h1 { font-size: clamp(28px, 8.2vw, 84px); line-height: 1.16; letter-spacing: .04em; margin-bottom: 30px; }
.hero h1 .l2 { display: block; color: transparent; background: linear-gradient(100deg, #f5f1e8 10%, #b9e9dc 55%, #d9cdf2 100%); -webkit-background-clip: text; background-clip: text; }
.hero-copy p { font-size: clamp(16px, 1.3vw, 18.5px); color: rgba(238,241,238,.84); max-width: 34em; margin-bottom: 42px; }
.hero h1 { max-width: 12em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-foot { position: relative; z-index: 2; border-top: 1px solid rgba(255,255,255,.14); }
.hero-steps { display: grid; grid-template-columns: repeat(3, 1fr); }
.hero-step { text-align: left; padding: 26px 24px 30px 0; position: relative; color: rgba(255,255,255,.55); transition: color .4s; display: flex; gap: 16px; align-items: baseline; }
.hero-step .no { font: 600 14px/1 var(--serif); color: var(--gold-light); opacity: .7; }
.hero-step .t { font-size: 15px; letter-spacing: .14em; }
.hero-step .t em { display: block; font-style: normal; font-size: 11px; letter-spacing: .28em; opacity: .7; margin-top: 8px; text-transform: uppercase; }
.hero-step::before { content: ""; position: absolute; left: 0; right: 24px; top: -1px; height: 2px; background: rgba(255,255,255,0); }
.hero-step .bar { position: absolute; left: 0; right: 24px; top: -1px; height: 2px; background: var(--jade-light); transform: scaleX(0); transform-origin: left; }
.hero-step.is-active { color: #fff; }
.hero-step.is-active .no { opacity: 1; }
.hero-step.is-active .bar { animation: stepbar var(--slide-ms, 6500ms) linear forwards; }
.hero-step.is-done .bar { transform: scaleX(1); opacity: .35; }
@keyframes stepbar { to { transform: scaleX(1); } }
.scroll-cue { position: absolute; right: var(--gutter); bottom: 34px; z-index: 3; writing-mode: vertical-rl; font-size: 11px; letter-spacing: .4em; color: rgba(255,255,255,.6); display: flex; align-items: center; gap: 14px; }
.scroll-cue::after { content: ""; width: 1px; height: 56px; background: linear-gradient(rgba(255,255,255,.7), rgba(255,255,255,0)); animation: cue 2.4s var(--ease) infinite; }
@keyframes cue { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }
/* ---------- stats band ---------- */
.stats { background: var(--ink-950); color: var(--on-dark); }
.stats-grid { display: grid; grid-template-columns: repeat(5, 1fr); }
.stat { padding: 46px 28px 44px 0; position: relative; }
.stat + .stat { padding-left: 28px; border-left: 1px solid rgba(255,255,255,.08); }
.stat-num { font: 600 clamp(38px, 4vw, 58px)/1 var(--serif); letter-spacing: .01em; color: #fff; white-space: nowrap; }
.stat-num .u { font-size: .36em; color: var(--gold-light); margin-left: 6px; letter-spacing: .06em; vertical-align: .9em; }
.stat-num .pre { font: 400 .42em/1 var(--sans); color: var(--gold-light); margin-right: 4px; vertical-align: .6em; }
.stat-label { margin-top: 16px; font-size: 14px; letter-spacing: .12em; color: var(--on-dark-2); }
/* ---------- about split ---------- */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(40px, 7vw, 120px); align-items: center; }
.about-media { position: relative; padding: 0 12% 16% 0; }
.about-media .main { aspect-ratio: 4 / 5; overflow: hidden; }
.about-media .main img { width: 100%; height: 100%; object-fit: cover; }
.about-media .inset { position: absolute; right: 0; bottom: 0; width: 52%; aspect-ratio: 3 / 2; overflow: hidden; border: 10px solid var(--paper); }
.about-media .inset img { width: 100%; height: 100%; object-fit: cover; }
.about-media .tag { position: absolute; left: -1px; top: 38px; background: var(--ink-900); color: #fff; padding: 18px 22px; }
.about-media .tag b { display: block; font: 600 34px/1 var(--serif); color: var(--gold-light); }
.about-media .tag span { font-size: 12px; letter-spacing: .2em; opacity: .8; }
.about-copy .h2 { margin-bottom: 30px; }
.about-copy p { color: var(--text-2); }
.pillars { list-style: none; margin: 36px 0 44px; padding: 0; display: grid; gap: 0; border-top: 1px solid var(--line); }
.pillars li { display: grid; grid-template-columns: 44px 1fr; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); align-items: start; }
.pillars .ic { width: 44px; height: 44px; border: 1px solid var(--line); display: grid; place-items: center; color: var(--jade-deep); }
.pillars .ic svg { width: 22px; height: 22px; }
.pillars h3 { font-size: 19px; margin-bottom: 2px; }
.pillars p { margin: 0; font-size: 15px; }
/* ---------- chain (home) ---------- */
.chain { overflow: hidden; }
.chain::before { content: ""; position: absolute; width: 900px; height: 900px; right: -300px; top: -260px; background: radial-gradient(closest-side, rgba(31,156,131,.14), rgba(31,156,131,0)); pointer-events: none; }
.chain-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.25fr); gap: clamp(36px, 5vw, 80px); align-items: stretch; }
.chain-list { list-style: none; margin: 0; padding: 0; counter-reset: s; border-top: 1px solid rgba(255,255,255,.1); }
.chain-item { border-bottom: 1px solid rgba(255,255,255,.1); position: relative; }
.chain-item::before { content: ""; position: absolute; left: 0; top: -1px; width: 100%; height: 1px; background: var(--jade-light); transform: scaleX(0); transform-origin: left; transition: transform .6s var(--ease); }
.chain-item.is-active::before { transform: scaleX(1); }
.chain-btn { width: 100%; text-align: left; display: grid; grid-template-columns: 58px 1fr 24px; gap: 8px; align-items: center; padding: 22px 0; color: var(--on-dark-2); transition: color .3s; }
.chain-btn .no { font: 600 15px/1 var(--serif); color: var(--gold); }
.chain-btn .t { font: 600 clamp(19px, 1.7vw, 24px)/1.3 var(--serif); letter-spacing: .08em; }
.chain-btn .arr { width: 20px; height: 20px; opacity: 0; transform: translateX(-8px); transition: opacity .3s, transform .3s var(--ease); color: var(--jade-light); }
.chain-item.is-active .chain-btn, .chain-btn:hover { color: #fff; }
.chain-item.is-active .arr { opacity: 1; transform: none; }
.chain-desc { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .5s var(--ease); }
.chain-desc > div { overflow: hidden; }
.chain-desc p { margin: 0 0 24px 66px; font-size: 15px; color: var(--on-dark-2); max-width: 30em; }
.chain-item.is-active .chain-desc { grid-template-rows: 1fr; }
.chain-item .m-pic { display: none; }
.chain-viewer { position: relative; min-height: 520px; overflow: hidden; background: var(--ink-800); }
.chain-viewer figure { position: absolute; inset: 0; margin: 0; opacity: 0; transition: opacity .8s ease; }
.chain-viewer figure.is-active { opacity: 1; }
.chain-viewer img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.04); transition: transform 6s linear; }
.chain-viewer figure.is-active img { transform: scale(1); }
.chain-viewer figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 60px 30px 26px; background: linear-gradient(0deg, rgba(7,12,10,.86), rgba(7,12,10,0)); display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; font-size: 13px; letter-spacing: .16em; color: rgba(255,255,255,.8); }
.chain-viewer figcaption b { font: 600 60px/1 var(--serif); color: rgba(255,255,255,.16); letter-spacing: 0; }
.chain-foot { margin-top: 44px; }
/* ---------- mines ---------- */
.mine-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 2vw, 28px); }
.mine-card { position: relative; background: var(--ink-900); color: #fff; overflow: hidden; }
.mine-card .pic { aspect-ratio: 4 / 5; overflow: hidden; }
.mine-card .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.mine-card:hover .pic img { transform: scale(1.05); }
.mine-card .body { position: absolute; inset: auto 0 0 0; padding: 130px 28px 28px; background: linear-gradient(0deg, rgba(7,12,10,.96) 0%, rgba(7,12,10,.82) 45%, rgba(7,12,10,0) 100%); }
.mine-card .idx { font: 600 13px/1 var(--serif); color: var(--gold-light); letter-spacing: .1em; }
.mine-card h3 { font-size: 26px; margin: 12px 0 4px; letter-spacing: .12em; }
.mine-card .sub { font-size: 13px; color: var(--on-dark-2); letter-spacing: .06em; }
.mine-card .cap { margin-top: 18px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.16); display: flex; justify-content: space-between; align-items: baseline; font-size: 13px; color: var(--on-dark-2); }
.mine-card .cap b { font: 600 24px/1 var(--serif); color: #fff; }
.mine-card .cap b small { font-size: 13px; color: var(--gold-light); margin-left: 4px; }
.safety { margin-top: clamp(40px, 5vw, 64px); display: grid; grid-template-columns: auto 1fr; gap: 20px 48px; align-items: center; padding: 34px 0 0; border-top: 1px solid var(--line); }
.safety .motto { font: 600 clamp(20px, 2vw, 26px)/1.4 var(--serif); letter-spacing: .2em; }
.safety .motto span { color: var(--jade-deep); }
.safety p { margin: 0; color: var(--text-2); font-size: 15px; }
/* ---------- products ---------- */
.prod-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; grid-template-rows: auto auto; gap: clamp(16px, 1.8vw, 24px); }
.prod-card { position: relative; background: #fff; display: flex; flex-direction: column; overflow: hidden; transition: box-shadow .4s, transform .4s var(--ease); }
.prod-card:hover { box-shadow: 0 24px 60px -30px rgba(10,30,24,.45); transform: translateY(-4px); }
.prod-card .pic { aspect-ratio: 4 / 3; overflow: hidden; background: var(--paper-3); }
.prod-card .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.prod-card:hover .pic img { transform: scale(1.05); }
.prod-card .body { padding: 26px 26px 28px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.prod-card .en { font-size: 11px; letter-spacing: .24em; text-transform: uppercase; color: var(--text-2); }
.prod-card h3 { font-size: 24px; letter-spacing: .08em; }
.prod-card .spec { margin-top: auto; padding-top: 16px; font-size: 14px; color: var(--jade-deep); letter-spacing: .04em; display: flex; flex-wrap: wrap; gap: 6px 16px; }
.prod-card .spec span + span::before { content: ""; display: inline-block; width: 1px; height: 11px; background: var(--line); margin-right: 16px; vertical-align: -1px; }
.prod-card.feature { grid-row: span 2; }
.prod-card.feature .pic { aspect-ratio: auto; flex: 1; min-height: 360px; }
.prod-card.feature h3 { font-size: 30px; }
.prod-card.feature .body { flex: 0; }
.prod-card .go { position: absolute; top: 18px; right: 18px; width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,.92); display: grid; place-items: center; color: var(--ink-900); opacity: 0; transform: translateY(6px); transition: opacity .3s, transform .3s var(--ease); }
.prod-card:hover .go { opacity: 1; transform: none; }
.prod-card .go svg { width: 16px; height: 16px; }
.prod-row { display: contents; }
.prod-grid .sm .pic { aspect-ratio: 16 / 10; }
/* ---------- quality ---------- */
.quality { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(40px, 6vw, 100px); align-items: center; }
.quality .pic { position: relative; }
.quality .pic img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.quality .pic::after { content: ""; position: absolute; inset: 18px -18px -18px 18px; border: 1px solid var(--gold); z-index: -1; }
.spec-hi { display: grid; grid-template-columns: repeat(2, 1fr); margin-top: 40px; border-top: 1px solid rgba(255,255,255,.12); }
.spec-hi div { padding: 28px 0 26px; border-bottom: 1px solid rgba(255,255,255,.12); }
.spec-hi div:nth-child(odd) { padding-right: 24px; border-right: 1px solid rgba(255,255,255,.12); }
.spec-hi div:nth-child(even) { padding-left: 28px; }
.spec-hi dt { font-size: 13px; letter-spacing: .16em; color: var(--on-dark-2); }
.spec-hi dd { margin: 10px 0 0; font: 600 clamp(28px, 3vw, 40px)/1 var(--serif); color: #fff; }
.spec-hi dd small { font: 400 .5em/1 var(--sans); color: var(--gold-light); margin-right: 6px; vertical-align: .3em; }
.spec-note { margin-top: 18px; font-size: 13px; color: var(--on-dark-2); }
/* ---------- applications ---------- */
.apps { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.app { padding: clamp(28px, 3vw, 44px); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); position: relative; transition: background .4s; }
.app:hover { background: #fff; }
.app .ic { width: 52px; height: 52px; color: var(--jade-deep); margin-bottom: 28px; }
.app .ic svg { width: 100%; height: 100%; }
.app h3 { font-size: 22px; letter-spacing: .1em; margin-bottom: 10px; }
.app p { margin: 0; font-size: 15px; color: var(--text-2); }
.app .en { position: absolute; top: clamp(28px, 3vw, 44px); right: clamp(28px, 3vw, 44px); font-size: 11px; letter-spacing: .22em; color: var(--text-2); opacity: .7; text-transform: uppercase; }
/* ---------- honors ---------- */
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(16px, 2vw, 28px); }
.honor-grid.three { grid-template-columns: repeat(3, 1fr); }
.honor { display: flex; flex-direction: column; gap: 18px; }
.honor .pic { background: var(--ink-800); aspect-ratio: 4 / 3; display: grid; place-items: center; overflow: hidden; padding: 12px; position: relative; }
.honor .pic img { width: 100%; height: 100%; object-fit: contain; transition: transform .8s var(--ease); }
.honor:hover .pic img { transform: scale(1.04); }
.honor .yr { font: 600 13px/1 var(--serif); color: var(--gold); letter-spacing: .1em; }
.honor h3 { font-size: 18px; line-height: 1.5; letter-spacing: .04em; margin-top: -6px; }
.honor p { margin: 0; font-size: 13px; color: var(--text-2); line-height: 1.6; }
.dark .honor p { color: var(--on-dark-2); }
/* ---------- CTA ---------- */
.cta { position: relative; color: #fff; overflow: hidden; background: var(--ink-950); }
.cta .bg { position: absolute; inset: 0; }
.cta .bg img { width: 100%; height: 100%; object-fit: cover; opacity: .5; }
.cta .bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,12,10,.95) 0%, rgba(7,12,10,.72) 50%, rgba(7,12,10,.35) 100%); }
.cta .wrap { position: relative; padding-top: clamp(90px, 11vw, 150px); padding-bottom: clamp(90px, 11vw, 150px); display: grid; grid-template-columns: minmax(0, 1.2fr) auto; gap: 40px; align-items: end; }
.cta h2 { font-size: clamp(30px, 3.8vw, 54px); margin-bottom: 20px; }
.cta p { margin: 0; color: rgba(238,241,238,.8); font-size: 17px; }
.cta .actions { display: flex; flex-wrap: wrap; gap: 14px; }
.cta .tel { display: block; margin-top: 30px; font: 600 clamp(22px, 2vw, 28px)/1 var(--serif); letter-spacing: .06em; color: var(--gold-light); }
/* ---------- footer ---------- */
.site-footer { background: var(--ink-950); color: var(--on-dark-2); font-size: 14px; }
.foot-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 40px; padding: 88px 0 64px; }
.foot-brand .brand { margin-bottom: 26px; }
.foot-brand p { max-width: 24em; line-height: 1.9; }
.site-footer h4 { font: 600 13px/1 var(--sans); letter-spacing: .24em; color: #fff; margin-bottom: 24px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.site-footer a:hover { color: #fff; }
.foot-contact li { display: grid; grid-template-columns: 44px 1fr; gap: 8px; }
.foot-contact li span:first-child { color: rgba(169,181,175,.6); }
.foot-bottom { border-top: 1px solid rgba(255,255,255,.07); padding: 26px 0 30px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 12.5px; letter-spacing: .06em; color: rgba(169,181,175,.7); }
.pending { color: rgba(169,181,175,.55); }
/* ---------- inner page hero ---------- */
.page-hero { position: relative; min-height: 560px; height: 72vh; max-height: 760px; color: #fff; display: flex; align-items: flex-end; overflow: hidden; background: var(--ink-950); }
.page-hero .bg { position: absolute; inset: 0; }
.page-hero .bg img { width: 100%; height: 100%; object-fit: cover; animation: kenburns 12s ease-out forwards; }
.page-hero .bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,12,10,.85) 0%, rgba(7,12,10,.5) 50%, rgba(7,12,10,.25) 100%), linear-gradient(0deg, rgba(7,12,10,.8) 0%, rgba(7,12,10,0) 50%); }
.page-hero .wrap { position: relative; padding-bottom: clamp(56px, 7vw, 96px); }
.crumbs { display: flex; gap: 10px; font-size: 13px; letter-spacing: .14em; color: rgba(255,255,255,.66); margin-bottom: 24px; }
.crumbs a:hover { color: #fff; }
.page-hero h1 { font-size: clamp(36px, 9vw, 78px); letter-spacing: .1em; margin-bottom: 18px; }
.page-hero p { font-size: clamp(16px, 1.3vw, 19px); color: rgba(238,241,238,.84); max-width: 36em; margin: 0; }
.page-hero .eyebrow { color: var(--gold-light); }
/* ---------- about page ---------- */
.facts { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.fact { padding: 30px 0 28px; border-bottom: 1px solid var(--line); }
.fact:not(:nth-child(3n+1)) { padding-left: 26px; border-left: 1px solid var(--line); }
.fact b { display: block; font: 600 clamp(30px, 3vw, 42px)/1 var(--serif); }
.fact b small { font-size: .42em; color: var(--jade-deep); margin-left: 4px; }
.fact span { display: block; margin-top: 12px; font-size: 14px; letter-spacing: .1em; color: var(--text-2); }
.prose p { color: var(--text-2); }
.prose p:first-child::first-letter { font-family: var(--serif); }
.org { display: grid; justify-items: center; gap: 0; }
.org-top { background: var(--jade-deep); color: #fff; padding: 22px 40px; text-align: center; min-width: min(420px, 100%); }
.org-top b { display: block; font: 600 22px/1.3 var(--serif); letter-spacing: .12em; }
.org-top span { font-size: 12px; letter-spacing: .28em; opacity: .8; }
.org-line { width: 1px; height: 44px; background: var(--gold); }
.org-kids { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; width: 100%; position: relative; padding-top: 44px; }
.org-kids::before { content: ""; position: absolute; top: 0; left: 12.5%; right: 12.5%; height: 1px; background: var(--gold); }
.org-kid { position: relative; background: #fff; border: 1px solid var(--line); padding: 26px 18px; text-align: center; }
.org-kid::before { content: ""; position: absolute; top: -45px; left: 50%; width: 1px; height: 44px; background: var(--gold); }
.org-kid b { display: block; font: 600 19px/1.35 var(--serif); letter-spacing: .06em; }
.org-kid span { display: block; margin-top: 8px; font-size: 13px; color: var(--text-2); }
.leader { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(40px, 6vw, 96px); align-items: center; }
.leader .pic { position: relative; }
.leader .pic img { width: 100%; aspect-ratio: 5 / 4; object-fit: cover; }
.leader .name { font: 600 clamp(30px, 3vw, 42px)/1.2 var(--serif); letter-spacing: .2em; margin: 6px 0 10px; }
.leader .role { color: var(--gold-light); letter-spacing: .2em; font-size: 14px; }
.leader ul { list-style: none; padding: 0; margin: 28px 0; display: grid; gap: 10px; }
.leader li { padding-left: 20px; position: relative; font-size: 15px; color: var(--on-dark-2); }
.leader li::before { content: ""; position: absolute; left: 0; top: .8em; width: 8px; height: 1px; background: var(--gold); }
.leader p { color: var(--on-dark-2); }
.culture { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(36px, 5vw, 80px); align-items: center; }
.culture .pic img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.values { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 34px; }
.values div { background: var(--paper); padding: 26px 22px; }
.values b { display: block; font: 600 24px/1 var(--serif); letter-spacing: .2em; }
.values span { display: block; margin-top: 10px; font-size: 14px; color: var(--text-2); }
.gallery { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: clamp(160px, 17vw, 250px); gap: 14px; }
.gallery a { position: relative; overflow: hidden; display: block; background: var(--ink-800); }
.gallery a img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.gallery a:hover img { transform: scale(1.05); }
.gallery a span { position: absolute; left: 0; bottom: 0; right: 0; padding: 36px 18px 14px; font-size: 13px; letter-spacing: .12em; color: #fff; background: linear-gradient(0deg, rgba(7,12,10,.75), rgba(7,12,10,0)); }
.g1 { grid-column: span 7; grid-row: span 2; } .g2 { grid-column: span 5; } .g3 { grid-column: span 5; }
.g4 { grid-column: span 4; } .g5 { grid-column: span 4; } .g6 { grid-column: span 4; }
.csr { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 28px); }
.csr div { border-top: 2px solid var(--jade-deep); padding-top: 26px; }
.csr h3 { font-size: 22px; letter-spacing: .1em; margin-bottom: 12px; }
.csr p { margin: 0; color: var(--text-2); font-size: 15px; }
/* ---------- chain page ---------- */
.adv { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.1); }
.adv div { background: var(--ink-900); padding: 34px 28px 32px; }
.adv b { display: block; font: 600 13px/1 var(--serif); color: var(--gold); letter-spacing: .1em; margin-bottom: 22px; }
.adv h3 { font-size: 23px; letter-spacing: .1em; margin-bottom: 12px; color: #fff; }
.adv p { margin: 0; font-size: 14.5px; color: var(--on-dark-2); }
.flow { background: #fff; border: 1px solid var(--line); padding: clamp(24px, 3.5vw, 48px); overflow-x: auto; }
.flow svg { min-width: 860px; width: 100%; height: auto; }
.flow-note { margin-top: 14px; font-size: 13px; color: var(--text-2); }
.stage { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(36px, 6vw, 96px); align-items: center; padding: clamp(56px, 7vw, 100px) 0; border-top: 1px solid var(--line); }
.stage:first-of-type { border-top: 0; padding-top: 0; }
.stage.rev .stage-media { order: 2; }
.stage-no { font: 600 clamp(64px, 8vw, 120px)/.8 var(--serif); color: transparent; -webkit-text-stroke: 1px var(--gold); letter-spacing: 0; margin-bottom: 26px; display: block; }
.stage h3 { font-size: clamp(26px, 2.6vw, 36px); letter-spacing: .1em; margin-bottom: 20px; }
.stage p { color: var(--text-2); }
.stage .kv { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; padding: 0; list-style: none; }
.stage .kv li { font-size: 13px; letter-spacing: .08em; padding: 7px 14px; border: 1px solid var(--line); color: var(--text-2); background: #fff; }
.stage-media { display: grid; gap: 14px; grid-template-columns: repeat(2, 1fr); }
.stage-media a { display: block; overflow: hidden; background: var(--paper-3); }
.stage-media a:first-child { grid-column: span 2; }
.stage-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16 / 10; transition: transform 1s var(--ease); }
.stage-media a:first-child img { aspect-ratio: 16 / 9.5; }
.stage-media a:hover img { transform: scale(1.04); }
.stage-media.one { grid-template-columns: minmax(0, 1fr); }
.stage-media.one img { aspect-ratio: 4 / 3 !important; }
.cap-band { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.1); }
.cap-band div { background: var(--ink-900); padding: 44px 34px; }
.cap-band b { display: block; font: 600 clamp(42px, 4.4vw, 64px)/1 var(--serif); color: #fff; }
.cap-band b small { font-size: .34em; color: var(--gold-light); margin-left: 8px; letter-spacing: .06em; }
.cap-band span { display: block; margin-top: 14px; color: var(--on-dark-2); letter-spacing: .12em; font-size: 14px; }
.mine-rows { display: grid; gap: clamp(20px, 2.4vw, 32px); }
.mine-row { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 0; background: #fff; }
.mine-row .txt { padding: clamp(28px, 3.4vw, 52px); display: flex; flex-direction: column; justify-content: center; }
.mine-row .txt .idx { font: 600 13px/1 var(--serif); color: var(--gold); letter-spacing: .12em; }
.mine-row h3 { font-size: clamp(24px, 2.4vw, 32px); letter-spacing: .12em; margin: 14px 0 6px; }
.mine-row .sub { font-size: 14px; color: var(--text-2); }
.mine-row .cap { margin-top: 28px; font-size: 14px; color: var(--text-2); }
.mine-row .cap b { font: 600 34px/1 var(--serif); color: var(--text); margin-right: 6px; }
.mine-row .pics { display: grid; grid-template-columns: 1.4fr 1fr; gap: 2px; }
.mine-row .pics a { overflow: hidden; display: block; }
.mine-row .pics img { width: 100%; height: 100%; object-fit: cover; min-height: 300px; transition: transform 1s var(--ease); }
.mine-row .pics a:hover img { transform: scale(1.04); }
/* ---------- products page ---------- */
.subnav { position: sticky; top: 70px; z-index: 50; background: rgba(246,243,236,.94); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.subnav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: clamp(20px, 3vw, 46px); overflow-x: auto; scrollbar-width: none; }
.subnav ul::-webkit-scrollbar { display: none; }
.subnav a { display: block; padding: 20px 0 18px; font-size: 15px; letter-spacing: .12em; white-space: nowrap; color: var(--text-2); border-bottom: 2px solid transparent; transition: color .3s, border-color .3s; }
.subnav a:hover, .subnav a.is-active { color: var(--text); border-color: var(--jade-deep); }
.product { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(36px, 5.5vw, 90px); padding: clamp(64px, 8vw, 120px) 0; border-bottom: 1px solid var(--line); align-items: start; }
.product:last-of-type { border-bottom: 0; }
.p-gallery { position: sticky; top: 150px; }
.p-main { aspect-ratio: 4 / 3; overflow: hidden; background: var(--paper-3); display: block; }
.p-main img { width: 100%; height: 100%; object-fit: cover; }
.p-thumbs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-top: 10px; }
.p-thumbs button { aspect-ratio: 1; overflow: hidden; opacity: .6; transition: opacity .3s; outline-offset: 2px; position: relative; }
.p-thumbs button.is-active, .p-thumbs button:hover { opacity: 1; }
.p-thumbs button.is-active::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 0 2px var(--jade-deep); }
.p-thumbs img { width: 100%; height: 100%; object-fit: cover; }
.p-thumbs .lbl { position: absolute; left: 0; right: 0; bottom: 0; font-size: 10px; line-height: 1.6; color: #fff; background: rgba(7,12,10,.6); text-align: center; letter-spacing: .06em; }
.p-info .en { font-size: 12px; letter-spacing: .26em; text-transform: uppercase; color: var(--text-2); }
.p-info h2 { font-size: clamp(32px, 3.4vw, 48px); letter-spacing: .1em; margin: 10px 0 24px; }
.p-info > p { color: var(--text-2); }
.p-keys { display: grid; grid-template-columns: repeat(3, 1fr); margin: 30px 0 36px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.p-keys div { padding: 20px 0; }
.p-keys div + div { padding-left: 22px; border-left: 1px solid var(--line); }
.p-keys dt { font-size: 12.5px; letter-spacing: .14em; color: var(--text-2); }
.p-keys dd { margin: 8px 0 0; font: 600 22px/1.2 var(--serif); }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--line); background: #fff; }
table.spec { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 520px; font-variant-numeric: tabular-nums; }
table.spec caption { text-align: left; padding: 16px 20px; font-size: 13px; letter-spacing: .16em; color: var(--text-2); caption-side: top; border-bottom: 1px solid var(--line); background: var(--paper-2); }
table.spec th, table.spec td { padding: 13px 18px; text-align: left; border-bottom: 1px solid var(--paper-3); white-space: nowrap; }
table.spec thead th { font-weight: 600; font-size: 13px; letter-spacing: .08em; color: var(--text-2); background: #fbfaf7; }
table.spec tbody tr:last-child td, table.spec tbody tr:last-child th { border-bottom: 0; }
table.spec tbody th { font-family: var(--serif); font-weight: 600; font-size: 16px; }
table.spec tbody tr:hover { background: #f5fbf8; }
table.spec td.hi { color: var(--jade-deep); font-weight: 600; }
.p-note { font-size: 13px; color: var(--text-2); margin-top: 14px; }
.p-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.crafts { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
.craft { position: relative; overflow: hidden; background: #2a221c; display: block; }
.craft img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.craft:hover img { transform: scale(1.05); }
.craft span { position: absolute; left: 0; right: 0; bottom: 0; padding: 40px 20px 16px; color: #fff; font: 600 18px/1.3 var(--serif); letter-spacing: .14em; background: linear-gradient(0deg, rgba(7,12,10,.8), rgba(7,12,10,0)); }
.craft span small { display: block; font: 400 12px/1.6 var(--sans); letter-spacing: .1em; opacity: .75; margin-top: 4px; }
.c1 { grid-column: span 4; grid-row: span 2; aspect-ratio: 3 / 4.1; } .c2, .c3 { grid-column: span 4; aspect-ratio: 4 / 3; } .c4, .c5 { grid-column: span 4; aspect-ratio: 4 / 3; }
/* ---------- contact page ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(36px, 6vw, 96px); align-items: start; }
.c-cards { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.c-card { background: #fff; padding: 28px 30px; display: grid; grid-template-columns: 48px 1fr; gap: 20px; align-items: start; }
.c-card .ic { width: 48px; height: 48px; display: grid; place-items: center; background: var(--paper-2); color: var(--jade-deep); }
.c-card .ic svg { width: 22px; height: 22px; }
.c-card dt { font-size: 13px; letter-spacing: .18em; color: var(--text-2); }
.c-card dd { margin: 8px 0 0; font: 600 20px/1.5 var(--serif); letter-spacing: .04em; word-break: break-word; }
.c-card dd a:hover { color: var(--jade-deep); }
.c-card dd .pending { font-family: var(--sans); font-weight: 400; font-size: 15px; color: var(--text-2); }
.map-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.inquiry { background: var(--ink-900); color: var(--on-dark); padding: clamp(30px, 4vw, 56px); }
.inquiry h2 { font-size: clamp(26px, 2.6vw, 36px); letter-spacing: .08em; margin-bottom: 14px; }
.inquiry > p { color: var(--on-dark-2); }
.inquiry ol { list-style: none; counter-reset: q; padding: 0; margin: 28px 0 0; display: grid; gap: 0; border-top: 1px solid rgba(255,255,255,.12); }
.inquiry li { counter-increment: q; display: grid; grid-template-columns: 44px 1fr; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.12); font-size: 15px; }
.inquiry li::before { content: counter(q, decimal-leading-zero); font: 600 14px/1.8 var(--serif); color: var(--gold-light); }
.visit { margin-top: 40px; }
.visit h3 { font-size: 22px; letter-spacing: .1em; margin-bottom: 12px; }
.visit p { color: var(--text-2); }
/* ---------- lightbox ---------- */
.lb { position: fixed; inset: 0; z-index: 300; background: rgba(5,9,8,.94); display: none; align-items: center; justify-content: center; padding: 60px 70px; }
.lb.is-open { display: flex; }
.lb figure { margin: 0; max-width: 100%; max-height: 100%; display: flex; flex-direction: column; align-items: center; gap: 16px; }
.lb img { max-width: 100%; max-height: calc(100vh - 150px); object-fit: contain; }
.lb figcaption { color: #dfe6e2; font-size: 14px; letter-spacing: .1em; text-align: center; }
.lb button { position: absolute; width: 52px; height: 52px; display: grid; place-items: center; color: #fff; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; transition: background .3s; }
.lb button:hover { background: rgba(255,255,255,.12); }
.lb button svg { width: 20px; height: 20px; }
.lb .x { top: 18px; right: 18px; }
.lb .prev { left: 14px; top: 50%; margin-top: -26px; }
.lb .next { right: 14px; top: 50%; margin-top: -26px; }
/* ---------- reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
.js .reveal.d1 { transition-delay: .1s; } .js .reveal.d2 { transition-delay: .2s; } .js .reveal.d3 { transition-delay: .3s; } .js .reveal.d4 { transition-delay: .4s; }
/* ---------- responsive ---------- */
@media (max-width: 1180px) {
  .site-nav ul { gap: 20px; }
  .nav-cta { display: none; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .stat:nth-child(4) { padding-left: 0; border-left: 0; }
  .stat:nth-child(n+4) { border-top: 1px solid rgba(255,255,255,.08); }
  .foot-top { grid-template-columns: 1fr 1fr; }
  .honor-grid, .honor-grid.three { grid-template-columns: repeat(2, 1fr); }
  .adv { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
  .product > *, .stage > *, .split > *, .contact-grid > * { min-width: 0; }
  :root { --header-h: 70px; }
  .nav-toggle { display: block; z-index: 2; }
  .site-nav { position: fixed; inset: 0; background: var(--ink-950); flex-direction: column; justify-content: center; align-items: flex-start; padding: 100px var(--gutter) 40px; gap: 36px; opacity: 0; visibility: hidden; transition: opacity .4s, visibility .4s; }
  .nav-open .site-nav { opacity: 1; visibility: visible; }
  .site-nav ul { flex-direction: column; gap: 6px; }
  .site-nav a.nav-link { font: 600 30px/1.6 var(--serif); letter-spacing: .14em; }
  .nav-cta { display: inline-flex; }
  .nav-open { overflow: hidden; }
  .section-head { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .split, .quality, .leader, .culture, .contact-grid, .chain-grid { grid-template-columns: minmax(0, 1fr); }
  .about-media { max-width: 560px; }
  .chain-viewer { display: none; }
  .chain-item .m-pic { display: block; margin: 0 0 24px 66px; aspect-ratio: 16 / 10; overflow: hidden; }
  .chain-item .m-pic img { width: 100%; height: 100%; object-fit: cover; }
  .mine-grid { grid-template-columns: minmax(0, 1fr); }
  .mine-card .pic { aspect-ratio: 16 / 11; }
  .prod-grid { grid-template-columns: 1fr 1fr; }
  .prod-card.feature { grid-column: span 2; grid-row: auto; }
  .prod-card.feature .pic { min-height: 0; aspect-ratio: 16 / 10; }
  .apps { grid-template-columns: repeat(2, 1fr); }
  .cta .wrap { grid-template-columns: minmax(0, 1fr); }
  .stage, .product { grid-template-columns: minmax(0, 1fr); }
  .stage.rev .stage-media { order: 0; }
  .p-gallery { position: static; }
  .mine-row { grid-template-columns: minmax(0, 1fr); }
  .org-kids { grid-template-columns: repeat(2, 1fr); }
  .org-kids::before, .org-kid::before { display: none; }
  .gallery { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 180px; }
  .gallery a { grid-column: auto !important; grid-row: auto !important; }
  .gallery .g1 { grid-column: span 2 !important; grid-row: span 2 !important; }
  .crafts { grid-template-columns: repeat(2, 1fr); }
  .crafts .craft { grid-column: auto; grid-row: auto; aspect-ratio: 1; }
  .quality .pic { max-width: 440px; }
  .scroll-cue { display: none; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero { min-height: 600px; }
  .hero-copy p { margin-bottom: 32px; }
  .hero-step { padding: 18px 10px 20px 0; flex-direction: column; gap: 8px; }
  .hero-step .t { font-size: 13px; letter-spacing: .08em; }
  .hero-step .t em { display: none; }
  .hero-step .bar, .hero-step::before { right: 10px; }
  .btn { height: 50px; padding: 0 22px; letter-spacing: .08em; }
  .brand .mark { width: 38px; height: 32px; }
  .brand-name { font-size: 19px; }
  .brand-en { font-size: 8.5px; letter-spacing: .3em; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 30px 16px 28px 0; }
  .stat + .stat { padding-left: 16px; }
  .stat:nth-child(odd) { padding-left: 0; border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.08); }
  .stat:nth-child(4) { padding-left: 16px; border-left: 1px solid rgba(255,255,255,.08); }
  .stat:last-child { grid-column: span 2; }
  .chain-btn { grid-template-columns: 44px 1fr 20px; }
  .chain-desc p, .chain-item .m-pic { margin-left: 0; }
  .prod-grid { grid-template-columns: minmax(0, 1fr); }
  .prod-card.feature { grid-column: auto; }
  .apps { grid-template-columns: minmax(0, 1fr); }
  .honor-grid, .honor-grid.three { grid-template-columns: 1fr 1fr; gap: 16px; }
  .honor h3 { font-size: 15px; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .fact:not(:nth-child(3n+1)) { padding-left: 0; border-left: 0; }
  .fact:nth-child(even) { padding-left: 18px; border-left: 1px solid var(--line); }
  .foot-top { grid-template-columns: minmax(0, 1fr); gap: 36px; padding: 64px 0 48px; }
  .spec-hi { grid-template-columns: 1fr 1fr; }
  .adv, .cap-band, .csr { grid-template-columns: minmax(0, 1fr); }
  .p-keys { grid-template-columns: 1fr 1fr; }
  .p-keys div:nth-child(3) { padding-left: 0; border-left: 0; grid-column: span 2; border-top: 1px solid var(--line); }
  .values { grid-template-columns: 1fr 1fr; }
  .org-kids { grid-template-columns: minmax(0, 1fr); }
  .page-hero { min-height: 480px; height: 64vh; }
  .safety { grid-template-columns: minmax(0, 1fr); }
  .mine-row .pics { grid-template-columns: minmax(0, 1fr); }
  .mine-row .pics img { min-height: 220px; }
  .lb { padding: 60px 12px; }
  .lb .prev, .lb .next { top: auto; bottom: 16px; margin: 0; }
  .lb .prev { left: calc(50% - 64px); } .lb .next { right: calc(50% - 64px); }
  .c-card { padding: 22px 20px; grid-template-columns: 40px 1fr; gap: 16px; }
  .c-card .ic { width: 40px; height: 40px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
}
@media print {
  .site-header, .hero-foot, .scroll-cue, .cta, .subnav { display: none !important; }
  body { background: #fff; }
}