/* Self-hosted fonts (Google Fonts is unreachable from mainland China). Chinese uses system fonts. */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  src: url("archivo-latin-ext-wdth-normal.woff2") format('woff2-variations');
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  src: url("archivo-latin-wdth-normal.woff2") format('woff2-variations');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'Newsreader';
  font-style: normal;
  font-display: swap;
  font-weight: 200 800;
  src: url("newsreader-latin-ext-opsz-normal.woff2") format('woff2-variations');
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face {
  font-family: 'Newsreader';
  font-style: normal;
  font-display: swap;
  font-weight: 200 800;
  src: url("newsreader-latin-opsz-normal.woff2") format('woff2-variations');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

/* Supro Group website
   Palette A, graphite and champagne: warm graphite base, champagne gold for brand and actions,
   pale steel only for live data, warm paper for product surfaces.
   Type: Archivo (two widths) for interface and headlines, Newsreader for story voice. */
:root {
  --night: #17181a;
  --deep: #1e2023;
  --raise: #26292d;
  --line: rgba(236, 230, 218, .09);
  --line-2: rgba(236, 230, 218, .19);
  --text: #eeebe5;
  --muted: #a09b92;
  --signal: #a8c3c8;
  --gold: #ccb07c;
  --gold-hi: #dcc493;
  --gold-ink: #1b1710;
  --porcelain: #f3f1ec;
  --paper: #fbfaf7;
  --ink: #1b1c1e;
  --ink-muted: #5f5b54;
  --pline: #e3dfd7;
  --wrap: 1240px;
  --gut: clamp(20px, 4vw, 48px);
  --globe-dot: 232,226,214;
  --globe-a: 168,195,200;
  --globe-b: 204,176,124;
  --globe-disc: 58,58,60;
  --globe-text: 238,235,229;
  --globe-head: 222,198,150;
  --r-sm: 6px;
  --r-md: 14px;
  --f: "Archivo", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --serif: "Newsreader", "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;
  --wide: 118%;
  --ease: cubic-bezier(.2, .7, .2, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--night); color: var(--text);
  font-family: var(--f); font-size: 17px; line-height: 1.6; font-weight: 400;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -.01em; }
h1, h2 { font-stretch: var(--wide); line-height: 1.04; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.9rem); max-width: 18ch; }
h3 { font-size: 1.15rem; line-height: 1.3; }
p { margin: 0; }
.lang-zh h1, .lang-zh h2 { font-stretch: 100%; letter-spacing: 0; line-height: 1.2; }
.lang-zh body, body.lang-zh { line-height: 1.75; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gut); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--gold); color: var(--gold-ink); padding: 8px 14px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; border-radius: 2px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  min-height: 48px; padding: 0 22px; border-radius: 999px; border: 1px solid transparent;
  font: 600 .95rem/1 var(--f); text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background-color .2s, border-color .2s, color .2s;
}
.btn-gold { background: var(--gold); color: var(--gold-ink); }
.btn-gold:hover { background: var(--gold-hi); }
.btn-ghost { border-color: var(--line-2); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--text); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #34363a; }
.btn[disabled] { opacity: .6; cursor: progress; }

/* ---------- header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--night) 74%, transparent); backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--line);
}
.head-row { display: flex; align-items: center; gap: 28px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; margin-right: auto; }
.brand-mark { width: 30px; height: 30px; color: var(--text); }
.brand-word { font-weight: 700; font-stretch: 125%; letter-spacing: .06em; font-size: 1.05rem; }
.brand-sub { color: var(--muted); font-size: .95rem; margin-left: 4px; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a { text-decoration: none; color: var(--muted); font-size: .95rem; transition: color .2s; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }
.langs { display: flex; border: 1px solid var(--line-2); border-radius: 999px; padding: 3px; }
.langs a { text-decoration: none; font-size: .8rem; font-weight: 600; padding: 5px 10px; border-radius: 999px; color: var(--muted); }
.langs a[aria-current="true"] { background: var(--text); color: var(--night); }
.menu-btn { display: none; }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding: clamp(56px, 9vw, 120px) 0 0; isolation: isolate; }
.hero::before { /* faint latitude grid behind everything */
  content: ""; position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(60% 70% at 72% 40%, color-mix(in srgb, var(--signal) 9%, transparent), transparent 70%),
    radial-gradient(40% 50% at 85% 70%, color-mix(in srgb, var(--gold) 7%, transparent), transparent 70%);
}
.globe {
  position: absolute; z-index: -1; right: -6vw; top: -90px;
  width: min(1000px, 70vw); height: min(1000px, 70vw);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 40px; align-items: end; min-height: min(68vh, 680px); }
.hero h1 { font-size: clamp(2.7rem, 6.4vw, 5.6rem); font-weight: 650; max-width: 12ch; }
.hero h1 span { display: block; }
.hero h1 span + span { color: var(--muted); }
.lang-zh .hero h1 { font-size: clamp(2.2rem, 4.4vw, 3.8rem); max-width: 17ch; }
.lede { margin-top: 28px; font-size: clamp(1.05rem, 1.4vw, 1.2rem); color: var(--muted); max-width: 54ch; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }

.tracker {
  justify-self: end; width: min(380px, 100%);
  background: color-mix(in srgb, var(--deep) 76%, transparent); border: 1px solid var(--line-2); border-radius: var(--r-md);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  padding: 20px 22px 18px; box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .6);
}
.tracker-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.tracker-title { font-weight: 600; font-size: .95rem; }
.tracker-lane { color: var(--muted); font-size: .85rem; }
.tracker-day { color: var(--signal); font-size: .85rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tracker-bar { height: 3px; background: var(--line); border-radius: 3px; margin: 16px 0 14px; overflow: hidden; }
.tracker-bar span { display: block; height: 100%; width: 100%; background: linear-gradient(90deg, var(--signal), var(--gold)); border-radius: 3px; }
.tracker-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.tracker-steps li { position: relative; padding-left: 22px; font-size: .88rem; color: var(--muted); transition: color .4s; }
.tracker-steps li::before {
  content: ""; position: absolute; left: 3px; top: .55em; width: 8px; height: 8px; border-radius: 50%;
  border: 1.5px solid var(--line-2); transition: background-color .4s, border-color .4s;
}
.tracker-steps li.is-done { color: var(--text); }
.tracker-steps li.is-done::before { background: var(--signal); border-color: var(--signal); }
.tracker-steps li.is-now::before { background: var(--gold); border-color: var(--gold); box-shadow: 0 0 0 4px color-mix(in srgb, var(--gold) 20%, transparent); }
.tracker-steps li.is-now { color: var(--text); }

.lane { margin-top: clamp(48px, 7vw, 88px); }
.lane dl { margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.lane dl > div { padding: 22px 20px 30px 0; }
.lane dl > div + div { padding-left: 20px; border-left: 1px solid var(--line); }
.lane dt { color: var(--muted); font-size: .85rem; }
.lane dd { margin: 4px 0 0; font-size: 1rem; }

/* ---------- sections ---------- */
.services, .platform, .process, .news-home, .contact, .news-list { padding: clamp(80px, 11vw, 144px) 0; }
.services { border-top: 1px solid var(--line); }
.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(40px, 6vw, 96px); }
.split-head { position: sticky; top: 110px; align-self: start; }
.split-head p { margin-top: 22px; color: var(--muted); max-width: 44ch; }
.svc-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; column-gap: 40px; }
.svc-list li { padding: 26px 0 30px; border-top: 1px solid var(--line); }
.svc-list h3 { font-size: 1.1rem; }
.svc-list p { margin-top: 10px; color: var(--muted); font-size: .97rem; }

.platform { background: linear-gradient(180deg, var(--night), var(--deep)); }
.platform-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(40px, 6vw, 88px); align-items: center; }
.platform-body { margin-top: 22px; color: var(--muted); max-width: 52ch; }
.platform-points { margin: 34px 0 0; display: grid; gap: 22px; }
.platform-points dt { font-weight: 600; position: relative; padding-left: 20px; }
.platform-points dt::before { content: ""; position: absolute; left: 0; top: .55em; width: 8px; height: 8px; border-radius: 2px; background: var(--signal); }
.platform-points dd { margin: 4px 0 0 20px; color: var(--muted); font-size: .97rem; }

.console {
  margin: 0; border: 1px solid var(--line-2); border-radius: var(--r-md); overflow: hidden;
  background: var(--deep); box-shadow: 0 40px 90px -40px rgba(0, 0, 0, .8);
}
.console-top { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .02); }
.console-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--line-2); }
.console-name { margin-left: 10px; font-size: .82rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.console-body { padding: 20px 20px 22px; }
.console-client { font-size: .85rem; color: var(--muted); margin-bottom: 12px; }
.console table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.console th { text-align: left; font-weight: 500; color: var(--muted); font-size: .78rem; padding: 0 10px 8px 0; border-bottom: 1px solid var(--line); }
.console td { padding: 12px 10px 12px 0; border-bottom: 1px solid var(--line); }
.console .num { font-variant-numeric: tabular-nums; }
.pill { display: inline-block; font-size: .76rem; padding: 3px 9px; border-radius: 999px; white-space: nowrap; }
.pill-1 { background: color-mix(in srgb, var(--signal) 14%, transparent); color: var(--signal); }
.pill-2 { background: color-mix(in srgb, var(--gold) 16%, transparent); color: var(--gold); }
.pill-3 { background: rgba(232, 237, 246, .1); color: var(--text); }
.console-feed { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 10px; font-size: .86rem; }
.console-feed li { display: grid; grid-template-columns: 92px 1fr; gap: 10px; color: var(--text); }
.console-feed span { color: var(--muted); }

.process { border-top: 1px solid var(--line); }
.steps { list-style: none; margin: 48px 0 0; padding: 0; display: grid; grid-template-columns: repeat(6, 1fr); position: relative; }
.steps::before { /* the lane line connecting steps */
  content: ""; position: absolute; left: 0; right: 0; top: 19px; height: 1px;
  background: linear-gradient(90deg, var(--signal), var(--gold));
  opacity: .55;
}
.steps li { padding-right: 22px; position: relative; }
.step-n {
  display: grid; place-items: center; width: 39px; height: 39px; border-radius: 50%;
  background: var(--night); border: 1px solid var(--line-2); font-size: .9rem; font-weight: 600;
  font-variant-numeric: tabular-nums; position: relative;
}
.steps li:last-child .step-n { border-color: var(--gold); color: var(--gold); }
.steps h3 { margin-top: 22px; font-size: 1.05rem; }
.steps p { margin-top: 8px; color: var(--muted); font-size: .93rem; }

/* ---------- light sections (products, group) ---------- */
.light { background: var(--porcelain); color: var(--ink); padding: clamp(80px, 11vw, 140px) 0; }
.light + .light { padding-top: 0; }
.light .text-link { color: var(--ink); }
.light .sec-head p { color: var(--ink-muted); }
.sec-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 28px; margin-bottom: 44px; flex-wrap: wrap; }
.sec-head p { margin-top: 16px; color: var(--muted); max-width: 56ch; }
.empty { color: var(--ink-muted); padding: 40px 0; }
.news-list .empty { color: var(--muted); }

.pgrid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px 22px; }

.entities { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 2px solid var(--ink); }
.entity { padding: 26px 28px 30px 0; }
.entity + .entity { padding-left: 28px; border-left: 1px solid var(--pline); }
.entity-city { font-size: .85rem; color: var(--ink-muted); }
.entity h3 { font-size: 1.35rem; font-stretch: var(--wide); margin-top: 8px; }
.lang-zh .entity h3 { font-stretch: 100%; }
.entity-role { margin-top: 10px; color: var(--ink-muted); font-size: .95rem; max-width: 34ch; }
.entity-name { margin-top: 22px; font-size: .82rem; color: var(--ink); font-weight: 500; }
.markets { margin-top: 36px; color: var(--ink-muted); }

/* ---------- news ---------- */
.ngrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.ncard a { display: block; text-decoration: none; height: 100%; border-top: 1px solid var(--line-2); padding-top: 18px; }
.ncard-img { aspect-ratio: 16/10; overflow: hidden; border-radius: var(--r-sm); margin-bottom: 16px; background: var(--deep); }
.ncard-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.ncard a:hover .ncard-img img { transform: scale(1.03); }
.ncard-meta { display: flex; gap: 14px; font-size: .82rem; color: var(--muted); }
.ncard-meta span { color: var(--signal); }
.ncard h3 { margin-top: 8px; font-size: 1.15rem; }
.ncard a:hover h3 { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }
.ncard p:not(.ncard-meta) { margin-top: 8px; color: var(--muted); font-size: .93rem; }

.page-head { padding: clamp(64px, 9vw, 112px) 0 clamp(40px, 5vw, 64px); border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
.page-head p { margin-top: 18px; color: var(--muted); max-width: 60ch; }
.notfound { border: 0; min-height: 50vh; }
.catalog { padding-top: 48px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 36px; }
.chip {
  font: 500 .9rem/1 var(--f); padding: 10px 16px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--pline); background: var(--paper); color: var(--ink);
}
.chip span { color: var(--ink-muted); margin-left: 4px; font-variant-numeric: tabular-nums; }
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.chip[aria-pressed="true"] span { color: rgba(255, 255, 255, .6); }

.post-head { padding-top: clamp(56px, 8vw, 96px); max-width: 860px; }
.post-head h1 { font-size: clamp(2rem, 4.2vw, 3.3rem); margin-top: 18px; }
.back { font-size: .9rem; color: var(--muted); text-decoration: none; display: inline-block; margin-bottom: 26px; }
.back:hover { color: var(--text); }
.post-cover { margin-top: 44px; margin-bottom: 0; max-width: 1080px; }
.post-cover img { border-radius: var(--r-md); width: 100%; }
.post-body { max-width: 760px; padding-top: 48px; padding-bottom: 120px; }
.prose { font-size: 1.06rem; line-height: 1.75; color: #dcd8d0; }
.prose p, .prose ul, .prose ol { margin: 0 0 1.2em; }
.prose h2, .prose h3 { margin: 1.8em 0 .6em; font-size: 1.4rem; max-width: none; color: var(--text); }
.prose img { border-radius: var(--r-sm); margin: 1.5em 0; height: auto; }
.prose a { color: var(--signal); }

/* ---------- contact ---------- */
.contact { border-top: 1px solid var(--line); background: radial-gradient(70% 60% at 15% 0%, color-mix(in srgb, var(--gold) 6%, transparent), transparent 70%); }
.contact-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(40px, 6vw, 96px); }
.contact-copy > p { margin-top: 20px; color: var(--muted); max-width: 44ch; }
.contact-copy h3 { margin-top: 48px; font-size: .95rem; color: var(--muted); font-weight: 500; }
.direct { margin: 16px 0 0; display: grid; gap: 16px; }
.direct dt { font-size: .82rem; color: var(--muted); }
.direct dd { margin: 2px 0 0; }
.direct a { text-decoration: none; border-bottom: 1px solid var(--line-2); }
.direct a:hover { border-color: var(--gold); }
.inquiry { display: grid; gap: 18px; align-content: start; }
.inquiry label { display: grid; gap: 7px; font-size: .88rem; color: var(--muted); }
.inquiry input, .inquiry select, .inquiry textarea {
  font: 400 1rem/1.4 var(--f); color: var(--text); background: rgba(255, 255, 255, .03);
  border: 1px solid var(--line-2); border-radius: var(--r-sm); padding: 13px 14px; width: 100%;
  transition: border-color .2s, background-color .2s;
}
.inquiry select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
.inquiry select option { color: var(--ink); }
.inquiry textarea { resize: vertical; min-height: 140px; }
.inquiry input:focus, .inquiry select:focus, .inquiry textarea:focus { outline: none; border-color: var(--signal); background: color-mix(in srgb, var(--signal) 4%, transparent); }
.inquiry [aria-invalid="true"] { border-color: #ff8a7a; }
.inquiry ::placeholder { color: #7a766f; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-top: 6px; }
.form-msg { font-size: .93rem; color: var(--muted); }
.form-msg.ok { color: var(--signal); }
.form-msg.err { color: #ff9d8f; }

/* ---------- footer ---------- */
.site-foot { border-top: 1px solid var(--line); padding: 44px 0 52px; font-size: .88rem; color: var(--muted); }
.foot-row { display: grid; grid-template-columns: 1.2fr 1.6fr 1fr; gap: 32px; align-items: start; }
.foot-brand .brand-word { color: var(--text); }
.foot-brand p { margin-top: 10px; }
.foot-entities { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.foot-links { display: grid; gap: 6px; justify-items: end; }
.foot-links a { text-decoration: none; }
.foot-links a:hover { color: var(--text); }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .pgrid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 44px; }
  .steps::before { display: none; }
  .nav { gap: 18px; }
}
@media (max-width: 900px) {
  .menu-btn {
    display: inline-flex; align-items: center; min-height: 40px; padding: 0 14px; border-radius: 999px;
    border: 1px solid var(--line-2); background: transparent; color: var(--text); font: 500 .9rem var(--f); cursor: pointer;
  }
  .nav {
    position: fixed; inset: 68px 0 auto 0; flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--night); border-bottom: 1px solid var(--line); padding: 8px var(--gut) 24px;
    display: none;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 14px 0; width: 100%; border-bottom: 1px solid var(--line); font-size: 1.05rem; color: var(--text); }
  .head-row { gap: 12px; }
  .hero-grid, .split, .platform-grid, .contact-grid { grid-template-columns: 1fr; }
  .split-head { position: static; }
  .hero-grid { min-height: 0; }
  .globe { right: -45vw; top: -10vw; width: 125vw; height: 125vw; opacity: .45; }
  .tracker { justify-self: start; }
  .lane dl { grid-template-columns: 1fr 1fr; }
  .lane dl > div:nth-child(3) { border-left: 0; padding-left: 0; }
  .lane dl > div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .entities { grid-template-columns: 1fr; }
  .entity + .entity { padding-left: 0; border-left: 0; border-top: 1px solid var(--pline); }
  .ngrid { grid-template-columns: 1fr; }
  .foot-row { grid-template-columns: 1fr; }
  .foot-links { justify-items: start; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .brand-sub { display: none; }
  .pgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 14px; }
    .svc-list { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; row-gap: 28px; }
  .steps li { display: grid; grid-template-columns: 39px 1fr; column-gap: 16px; padding: 0; }
  .steps h3 { margin-top: 8px; }
  .steps p { grid-column: 2; }
  .row2 { grid-template-columns: 1fr; }
  .console-feed li { grid-template-columns: 1fr; gap: 0; }
  .console th:nth-child(3), .console td:nth-child(3) { display: none; }
  .langs a { padding: 5px 8px; }
}
.lang-es .hero h1 { font-size: clamp(2.5rem, 5.6vw, 4.8rem); max-width: 13ch; }

/* ================= v1.1: story voice, 2.5D stage, showroom, story page ================= */
.serif { font-family: var(--serif); font-weight: 400; font-stretch: 100%; letter-spacing: -.012em; }
.lang-zh .serif { letter-spacing: 0; }
.text-link { display: inline-block; margin-top: 22px; color: var(--gold); text-decoration: none; font-weight: 600; font-size: .95rem;
  border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.text-link:hover { color: var(--gold-hi); }
.back-light { color: var(--ink-muted); margin-bottom: 30px; }
.back-light:hover { color: var(--ink); }

/* story teaser on home */
.teaser { padding: clamp(80px, 11vw, 150px) 0; border-top: 1px solid var(--line); }
.teaser-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(32px, 6vw, 96px); align-items: end; }
.teaser h2 { font-size: clamp(2.2rem, 4.6vw, 4rem); line-height: 1.08; max-width: 16ch; }
.teaser-body p { color: var(--muted); font-size: 1.05rem; max-width: 46ch; }

/* 2.5D product stage: warm studio sweep, multiply-blended photo, contact shadow, pointer tilt */
.stage {
  --rx: 0deg; --ry: 0deg; --mx: 50%; --my: 30%;
  position: relative; aspect-ratio: 1; border-radius: var(--r-md); overflow: hidden; isolation: isolate;
  background:
    radial-gradient(90% 70% at var(--mx) var(--my), #ffffff 0%, rgba(255, 255, 255, 0) 70%),
    linear-gradient(180deg, #f7f5f0 0%, #efebe3 62%, #e6e0d5 100%);
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry));
  transition: transform .6s var(--ease), box-shadow .6s var(--ease);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .7) inset, 0 0 0 1px rgba(27, 28, 30, .05);
}
.stage-floor { position: absolute; left: 0; right: 0; bottom: 0; height: 36%; z-index: 0;
  background: linear-gradient(180deg, rgba(27, 28, 30, 0), rgba(27, 28, 30, .035)); }
.stage::after { /* contact shadow */
  content: ""; position: absolute; left: 22%; right: 22%; bottom: 9%; height: 7%; z-index: 0;
  background: radial-gradient(50% 50% at 50% 50%, rgba(45, 38, 28, .28), rgba(45, 38, 28, 0) 100%);
  transition: transform .6s var(--ease), opacity .6s;
}
.stage-img {
  position: absolute; inset: 8% 9% 12%; width: 82%; height: 80%; object-fit: contain; z-index: 1;
  mix-blend-mode: multiply;
  transform: translate3d(var(--tx, 0px), var(--ty, 0px), 0) scale(1);
  transition: transform .6s var(--ease);
}
.stage-empty { position: absolute; inset: 0; background: repeating-linear-gradient(135deg, transparent 0 12px, rgba(27, 28, 30, .03) 12px 24px); }
.stage-sheen {
  position: absolute; inset: 0; z-index: 2; pointer-events: none; opacity: 0; transition: opacity .5s;
  background: radial-gradient(40% 35% at var(--mx) var(--my), rgba(255, 255, 255, .55), transparent 70%);
  mix-blend-mode: soft-light;
}
.pcard:hover .stage, .stage.is-active { box-shadow: 0 1px 0 rgba(255, 255, 255, .7) inset, 0 30px 50px -30px rgba(45, 38, 28, .35); }
.pcard:hover .stage-img, .stage.is-active .stage-img { transform: translate3d(var(--tx, 0px), var(--ty, 0px), 0) scale(1.04); }
.pcard:hover .stage::after, .stage.is-active::after { transform: scale(1.06); opacity: .85; }
.pcard:hover .stage-sheen, .stage.is-active .stage-sheen { opacity: 1; }
@media (prefers-reduced-motion: reduce) { .stage, .stage-img { transition: none; transform: none !important; } }

.pgrid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 36px 22px; }
.pcard { display: flex; flex-direction: column; text-decoration: none; color: inherit; }
.pcard[hidden] { display: none; }
.pcard-body { padding: 16px 2px 0; }
.pcard-cat { font-size: .8rem; color: var(--ink-muted); display: flex; align-items: center; gap: 8px; min-height: 1.3em; }
.pcard h3 { font-size: 1rem; margin-top: 4px; font-weight: 600; }
.pcard:hover h3 { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }
.badge-3d { font-size: .68rem; font-weight: 700; letter-spacing: .04em; padding: 2px 6px; border-radius: 4px;
  background: var(--ink); color: var(--gold-hi); }

/* 3D showroom */
.showroom { padding: clamp(80px, 10vw, 136px) 0; border-top: 1px solid var(--line);
  background: radial-gradient(60% 55% at 35% 78%, color-mix(in srgb, var(--gold) 9%, transparent), transparent 70%), var(--night); }
.showroom-grid { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.showroom-stage { position: relative; }
.showroom model-viewer, .pdetail-3d model-viewer {
  display: block; width: 100%; height: clamp(380px, 52vw, 600px); background: transparent; --poster-color: transparent;
  --progress-bar-color: var(--gold); --progress-bar-height: 2px;
}
.showroom-hint { text-align: center; color: var(--muted); font-size: .82rem; margin-top: 6px; }
.showroom-side h2 { font-size: clamp(1.9rem, 3vw, 2.6rem); }
.showroom-side > p { color: var(--muted); margin-top: 14px; }
.showroom-list { list-style: none; margin: 30px 0 0; padding: 0; border-top: 1px solid var(--line); }
.showroom-list button {
  width: 100%; display: grid; gap: 3px; text-align: left;
  padding: 16px 0; background: none; border: 0; border-bottom: 1px solid var(--line); color: var(--muted);
  font: 500 1rem/1.35 var(--f); cursor: pointer; transition: color .25s;
}
.showroom-list button:hover { color: var(--text); }
.showroom-list button[aria-pressed="true"] { color: var(--text); }
.showroom-list button[aria-pressed="true"] .sl-name::before {
  content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); margin: 0 10px 2px 0; }
.sl-cat { font-size: .8rem; color: var(--muted); }
.showroom-list button[aria-pressed="true"] .sl-cat { padding-left: 17px; }

/* product detail */
.pdetail { padding-top: 48px; }
.pdetail-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(32px, 5vw, 80px); align-items: start; }
.pdetail-tabs { display: inline-flex; gap: 4px; padding: 4px; border-radius: 999px; background: var(--paper); border: 1px solid var(--pline); margin-bottom: 16px; }
.pdetail-tabs button { font: 600 .85rem/1 var(--f); padding: 9px 16px; border-radius: 999px; border: 0; background: transparent; color: var(--ink-muted); cursor: pointer; }
.pdetail-tabs button[aria-selected="true"] { background: var(--ink); color: #fff; }
.pdetail-3d { border-radius: var(--r-md); background: linear-gradient(180deg, #f7f5f0, #e9e4da); padding-bottom: 14px; }
.pdetail-3d .showroom-hint { color: var(--ink-muted); }
.pdetail-info { position: sticky; top: 100px; padding-top: 8px; }
.pdetail-info h1 { font-size: clamp(2rem, 3.6vw, 3rem); margin-top: 8px; line-height: 1.08; }
.lang-zh .pdetail-info h1 { line-height: 1.25; }
.pdetail-desc { margin-top: 20px; color: var(--ink-muted); font-size: 1.04rem; max-width: 46ch; }
.pdetail-facts { margin: 26px 0 30px; border-top: 1px solid var(--pline); }
.pdetail-facts div { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--pline); }
.pdetail-facts dt { color: var(--ink-muted); }
.pdetail-facts dd { margin: 0; font-weight: 600; text-align: right; }
.pdetail-facts div { gap: 24px; }
.pdetail-desc + .pdetail-desc { margin-top: 10px; }
.pdetail-info .btn { margin-top: 26px; }
.pdetail-facts + .btn { margin-top: 0; }
.related { margin-top: clamp(72px, 9vw, 120px); padding-top: 40px; border-top: 1px solid var(--pline); }
.related h2 { font-size: 1.6rem; margin-bottom: 30px; }

/* story page */
.story-head { padding: clamp(72px, 10vw, 140px) 0 clamp(48px, 6vw, 80px); }
.story-head h1 { font-size: clamp(2.6rem, 6vw, 5rem); }
.story-lede { margin-top: 28px; font-size: clamp(1.4rem, 2.4vw, 2rem); line-height: 1.35; max-width: 32ch; color: var(--text); }
.lang-zh .story-lede { line-height: 1.6; max-width: 26em; }
.story-lane { padding: 0 0 clamp(64px, 8vw, 110px); }
.sl-track { display: grid; grid-template-columns: auto 1fr auto; align-items: start; gap: 28px; padding: 40px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sl-end { display: grid; gap: 4px; }
.sl-end strong { font-size: 1.3rem; font-weight: 600; font-stretch: var(--wide); }
.sl-end span:last-child { color: var(--muted); font-size: .88rem; }
.sl-end-b { text-align: right; justify-items: end; }
.sl-dot { width: 12px; height: 12px; border-radius: 50%; margin-bottom: 8px; }
.sl-dot-a { background: var(--signal); }
.sl-dot-b { background: var(--gold); }
.sl-mid { position: relative; padding-top: 2px; text-align: center; }
.sl-line { display: block; height: 2px; margin-top: 4px; background: repeating-linear-gradient(90deg, var(--line-2) 0 6px, transparent 6px 12px); position: relative; }
.sl-line::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--signal), var(--gold)); transform-origin: left; transform: scaleX(0); }
.story-lane.is-in .sl-line::after { transform: scaleX(1); transition: transform 2.4s var(--ease); }
@media (prefers-reduced-motion: reduce) { .sl-line::after { transform: scaleX(1); } }
.sl-mid p { margin-top: 18px; display: grid; gap: 2px; }
.sl-mid strong { font-family: var(--serif); font-weight: 400; font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1; }
.sl-mid span { color: var(--muted); font-size: .9rem; }

.chapters { padding-bottom: clamp(64px, 8vw, 120px); }
.chapter { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(24px, 5vw, 80px); padding: clamp(36px, 5vw, 60px) 0; border-top: 1px solid var(--line); }
.chapter:first-child { border-top: 0; }
.chapter h2 { font-size: clamp(1.5rem, 2.4vw, 2rem); }
.chapter-body p { font-family: var(--serif); font-size: clamp(1.12rem, 1.5vw, 1.3rem); line-height: 1.65; color: #dcd8d0; max-width: 58ch; }
.lang-zh .chapter-body p { line-height: 1.95; }
.chapter-body p + p { margin-top: 1em; }

.timeline-sec { padding: 0 0 clamp(64px, 8vw, 110px); }
.timeline-sec h2 { font-size: 1.6rem; margin-bottom: 28px; }
.timeline { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.timeline li { display: grid; grid-template-columns: 120px 1fr; gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.tl-year { font-family: var(--serif); font-size: 1.4rem; color: var(--gold); }
.timeline p { color: #dcd8d0; }

.values h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 40px; }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 2px solid var(--ink); }
.value { padding: 26px 28px 8px 0; }
.value + .value { padding-left: 28px; border-left: 1px solid var(--pline); }
.value h3 { font-size: 1.45rem; line-height: 1.25; }
.value p { margin-top: 12px; color: var(--ink-muted); }
.light.group { padding-top: 0; }
.values + .group { padding-top: 0; }
.story-close { padding: clamp(80px, 10vw, 140px) 0; }
.story-close h2 { font-size: clamp(2rem, 4vw, 3.2rem); max-width: 20ch; }
.story-close p { margin: 18px 0 32px; color: var(--muted); font-size: 1.1rem; }

@media (max-width: 1080px) {
  .pgrid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .teaser-grid, .showroom-grid, .pdetail-grid, .chapter { grid-template-columns: 1fr; }
  .pdetail-info { position: static; }
  .values-grid { grid-template-columns: 1fr; }
  .value + .value { padding-left: 0; border-left: 0; border-top: 1px solid var(--pline); }
  .sl-track { grid-template-columns: 1fr 1fr; }
  .sl-mid { grid-column: 1 / -1; grid-row: 2; }
}
@media (max-width: 640px) {
  .pgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 14px; }
  .timeline li { grid-template-columns: 1fr; gap: 4px; }
}