/* ============================================================
   NEISEN · Baoye Curtain Wall  —  Design System
   High-end architectural facade website
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  /* Neutrals */
  --ink:      #0B0C0E;   /* near-black */
  --graphite: #15171B;
  --carbon:   #22262C;
  --steel:    #6B7280;   /* mid gray */
  --silver:   #C7CCD3;
  --mist:     #EFF1F4;   /* light gray bg */
  --fog:      #F7F8FA;
  --paper:    #FFFFFF;

  /* Accent — restrained steel blue */
  --accent:      #2A4D6E;
  --accent-soft: #3E6B97;
  --accent-line: rgba(42, 77, 110, 0.18);

  /* Metallic gradient */

  /* Type */
  --font-display: "Space Grotesk", "Noto Sans SC", system-ui, sans-serif;
  --font-body:    "Inter", "Noto Sans SC", system-ui, sans-serif;
  --font-cn:      "Noto Sans SC", "Inter", sans-serif;

  /* Rhythm */
  --container: 1280px;
  --gutter: clamp(20px, 5vw, 80px);
  --section-y: clamp(72px, 10vw, 160px);

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --header-h: 84px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* lang-driven font */
html[lang="zh"] body { font-family: var(--font-cn); }
html[lang="ar"] body { font-family: "Noto Sans Arabic", "Inter", sans-serif; }
html[lang="ar"] .display, html[lang="ar"] h1, html[lang="ar"] h2,
html[lang="ar"] h3, html[lang="ar"] h4 { font-family: "Noto Kufi Arabic", "Noto Sans Arabic", sans-serif; }

/* ---------- RTL (Arabic) ---------- */
html[dir="rtl"] .eyebrow::before { margin-left: 0; }
html[dir="rtl"] .lang-select__menu { right: auto; left: 0; }
html[dir="rtl"] .lang-select__chev,
html[dir="rtl"] .btn svg,
html[dir="rtl"] .prod-row__arrow svg,
html[dir="rtl"] .hero__cta svg { transform: scaleX(-1); }
html[dir="rtl"] .btn:hover svg { transform: scaleX(-1) translateX(4px); }
html[dir="rtl"] .proj-card__meta span:not(:last-child)::after { right: auto; left: -9px; }
html[dir="rtl"] .stat,
html[dir="rtl"] .feature,
html[dir="rtl"] .detail-meta__item { border-right: none; }
html[dir="rtl"] .hero__scroll { right: auto; left: var(--gutter); }

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-y); }
.section--tight { padding-block: clamp(48px, 6vw, 96px); }
.grid { display: grid; gap: clamp(20px, 3vw, 40px); }

/* ---------- Typography ---------- */
.display {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.02em;
}
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.015em; line-height: 1.08; }
.h-hero   { font-size: clamp(2.6rem, 7vw, 6rem); }
.h-1      { font-size: clamp(2.1rem, 4.6vw, 3.8rem); }
.h-2      { font-size: clamp(1.7rem, 3.2vw, 2.6rem); }
.h-3      { font-size: clamp(1.25rem, 2vw, 1.6rem); }
.lead     { font-size: clamp(1.05rem, 1.6vw, 1.35rem); color: var(--carbon); font-weight: 400; }
html[lang="zh"] .lead { line-height: 1.85; }

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before {
  content: ""; width: 28px; height: 1px; background: var(--accent); display: inline-block;
}
html[lang="zh"] .eyebrow { letter-spacing: 0.18em; }

.muted { color: var(--steel); }
.text-balance { text-wrap: balance; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 30px;
  font-family: var(--font-display);
  font-size: 0.92rem; font-weight: 500; letter-spacing: 0.02em;
  border-radius: 2px;
  transition: all .4s var(--ease);
  position: relative; overflow: hidden;
}
.btn svg { width: 16px; height: 16px; transition: transform .4s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn--solid { background: var(--ink); color: #fff; }
.btn--solid:hover { background: var(--accent); }
.btn--ghost { background: transparent; color: var(--ink); border: 1px solid rgba(11,12,14,.25); }
.btn--ghost:hover { border-color: var(--ink); background: var(--ink); color: #fff; }
.btn--light { background: rgba(255,255,255,.1); color: #fff; border: 1px solid rgba(255,255,255,.35); backdrop-filter: blur(6px); }
.btn--light:hover { background: #fff; color: var(--ink); border-color: #fff; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  transition: background .45s var(--ease), box-shadow .45s var(--ease), height .45s var(--ease);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

/* transparent over hero, solid on scroll */
.site-header[data-mode="transparent"] { background: transparent; }
.site-header[data-mode="transparent"] .nav-link,
.site-header[data-mode="transparent"] .brand-text,
.site-header[data-mode="transparent"] .lang-toggle,
.site-header[data-mode="transparent"] .burger span { color: #fff; }
.site-header[data-mode="transparent"] .brand-mark { border-color: rgba(255,255,255,.4); color:#fff; }
.site-header[data-mode="transparent"] .burger span { background: #fff; }
.site-header[data-mode="transparent"] .lang-toggle { border-color: rgba(255,255,255,.35); }

.site-header[data-mode="solid"] {
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(16px) saturate(140%);
  box-shadow: 0 1px 0 rgba(11,12,14,.07);
  height: 70px;
}

/* Brand / dual logo */
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 44px; height: 44px; flex: none;
  background: #fff; border-radius: 3px;
  display: grid; place-items: center;
  padding: 7px 9px; position: relative;
  box-shadow: 0 1px 4px rgba(11,12,14,.12);
}
.brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.site-header[data-mode="transparent"] .brand-mark { box-shadow: 0 2px 10px rgba(0,0,0,.18); }
.brand-text { line-height: 1.15; }
.brand-text .b-en { font-family: var(--font-display); font-weight: 600; font-size: 1.02rem; letter-spacing: .02em; }
.brand-text .b-sub { font-size: .62rem; letter-spacing: .14em; text-transform: uppercase; color: var(--steel); display:block; white-space: nowrap; margin-top: 2px; }
@media (max-width: 520px) { .brand-text .b-sub { display: none; } .brand { min-width: 0; } }
.site-header[data-mode="transparent"] .brand-text .b-sub { color: rgba(255,255,255,.7); }

/* Nav */
.nav { display: flex; align-items: center; gap: 38px; }
.nav-list { display: flex; align-items: center; gap: 32px; }
.nav-link {
  font-family: var(--font-display); font-size: .9rem; font-weight: 500; letter-spacing: .01em; white-space: nowrap;
  position: relative; padding: 6px 0; transition: opacity .3s;
}
.nav-link::after {
  content:""; position:absolute; left:0; bottom:0; height:1px; width:0; background: currentColor; transition: width .35s var(--ease);
}
.nav-link:hover::after, .nav-link[aria-current="page"]::after { width: 100%; }
.nav-link[aria-current="page"] { color: var(--accent); }
.site-header[data-mode="transparent"] .nav-link[aria-current="page"] { color: #fff; }

/* Lang toggle */
.lang-toggle {
  display: inline-flex; align-items: center;
  border: 1px solid rgba(11,12,14,.2); border-radius: 2px; overflow: hidden;
  font-family: var(--font-display); font-size: .8rem; font-weight: 500;
}
.lang-toggle button { padding: 7px 12px; transition: background .3s, color .3s; opacity: .55; }
.lang-toggle button[aria-pressed="true"] { background: var(--accent); color: #fff; opacity: 1; }

/* Language selector (globe dropdown) */
.lang-select { position: relative; }
.lang-select__btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 12px; border: 1px solid rgba(11,12,14,.2); border-radius: 2px;
  font-family: var(--font-display); font-size: .82rem; font-weight: 500; color: var(--ink);
  transition: border-color .3s, color .3s;
}
.lang-select__globe { width: 16px; height: 16px; flex: none; }
.lang-select__chev { width: 13px; height: 13px; transition: transform .3s var(--ease); opacity: .7; }
.lang-select.open .lang-select__chev { transform: rotate(180deg); }
.lang-select__cur { white-space: nowrap; }
.site-header[data-mode="transparent"] .lang-select__btn { color: #fff; border-color: rgba(255,255,255,.35); }

.lang-select__menu {
  position: absolute; top: calc(100% + 8px); right: 0; min-width: 184px;
  background: #fff; border: 1px solid var(--mist); border-radius: 4px;
  box-shadow: 0 14px 34px rgba(11,12,14,.16); padding: 6px;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
  z-index: 130;
}
.lang-select.open .lang-select__menu { opacity: 1; visibility: visible; transform: none; }
.lang-select__opt {
  display: block; width: 100%; text-align: left;
  padding: 9px 14px; border-radius: 3px; font-size: .9rem; color: var(--ink);
  transition: background .2s;
}
.lang-select__opt:hover { background: var(--mist); }
.lang-select__opt[aria-current="true"] { color: var(--accent); font-weight: 600; background: var(--accent-line); }

/* Burger */
.burger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.burger span { width: 24px; height: 2px; background: var(--ink); transition: transform .4s var(--ease), opacity .3s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 99;
  background: var(--ink); color: #fff;
  display: flex; flex-direction: column; justify-content: center; gap: 8px;
  padding: var(--gutter);
  transform: translateY(-100%); opacity: 0; visibility: hidden;
  transition: transform .6s var(--ease), opacity .5s, visibility .5s;
}
.mobile-menu.open { transform: translateY(0); opacity: 1; visibility: visible; }
.mobile-menu a {
  font-family: var(--font-display); font-size: clamp(1.8rem, 8vw, 3rem); font-weight: 600;
  padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.12);
  display: flex; justify-content: space-between; align-items: center;
}

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: flex-end;
  color: #fff; overflow: hidden;
}
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__media::after {
  content:""; position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(11,12,14,.55) 0%, rgba(11,12,14,.15) 35%, rgba(11,12,14,.78) 100%);
}
.hero__inner { padding-bottom: clamp(60px, 9vw, 120px); padding-top: calc(var(--header-h) + 40px); width: 100%; }
.hero h1 { max-width: 16ch; margin-top: 22px; }
.hero .lead { color: rgba(255,255,255,.82); max-width: 46ch; margin-top: 26px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 40px; }
.hero__scroll {
  position: absolute; right: var(--gutter); bottom: 40px;
  display: flex; align-items: center; gap: 12px; font-size: .72rem; letter-spacing: .2em; text-transform: uppercase;
  writing-mode: vertical-rl; opacity: .7;
}
.hero__scroll i { width:1px; height:48px; background:#fff; display:block; animation: scrollPulse 2s infinite; transform-origin: top; }
@keyframes scrollPulse { 0%,100%{ transform: scaleY(.3); opacity:.4 } 50%{ transform: scaleY(1); opacity:1 } }

/* ---------- Stat band ---------- */
.stats { background: var(--ink); color: #fff; }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: clamp(36px,5vw,68px) clamp(20px,3vw,44px); border-right: 1px solid rgba(255,255,255,.1); }
.stat:last-child { border-right: none; }
.stat__num { font-family: var(--font-display); font-size: clamp(2.4rem, 4.5vw, 4rem); font-weight: 600; line-height: 1; display:flex; align-items:baseline; }
.stat__num .suf { font-size: .5em; color: var(--accent-soft); margin-left: 6px; }
.stat__label { margin-top: 14px; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.55); }
html[lang="zh"] .stat__label { letter-spacing: .06em; }

/* ---------- Section heading ---------- */
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: clamp(40px, 5vw, 72px); flex-wrap: wrap; }
.sec-head__text { max-width: 60ch; }
.sec-head .h-1 { margin-top: 20px; }

/* ---------- Project grid ---------- */
.proj-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: clamp(16px, 2vw, 28px); }
.proj-card { position: relative; overflow: hidden; background: var(--mist); display:block; }
.proj-card--lg { grid-column: span 7; }
.proj-card--sm { grid-column: span 5; }
.proj-card--half { grid-column: span 6; }
.proj-card--third { grid-column: span 4; }
.proj-card__media { aspect-ratio: 4/3; overflow: hidden; }
.proj-card--lg .proj-card__media { aspect-ratio: 16/11; }
.proj-card__media img { width:100%; height:100%; object-fit: cover; transition: transform 1.1s var(--ease); }
.proj-card:hover .proj-card__media img { transform: scale(1.06); }
.proj-card__body {
  position: absolute; inset: auto 0 0 0; padding: clamp(20px,2.4vw,34px);
  color:#fff; z-index:2;
  background: linear-gradient(0deg, rgba(11,12,14,.85) 0%, rgba(11,12,14,.0) 100%);
}
.proj-card__meta { display:flex; gap: 14px; font-size:.74rem; letter-spacing:.14em; text-transform:uppercase; opacity:.8; margin-bottom: 10px; flex-wrap:wrap; }
.proj-card__meta span { position: relative; }
.proj-card__meta span:not(:last-child)::after { content:"/"; position:absolute; right:-9px; opacity:.5; }
.proj-card h3 { font-size: clamp(1.2rem, 2vw, 1.7rem); }
.proj-card__sys { margin-top: 8px; font-size:.82rem; color: rgba(255,255,255,.7); }
html[lang="zh"] .proj-card__meta { letter-spacing: .04em; }

/* ---------- Product split ---------- */
.prod-list { border-top: 1px solid var(--mist); }
.prod-row {
  display: grid; grid-template-columns: 80px 1.1fr 1fr auto; gap: clamp(20px,3vw,48px);
  align-items: center; padding: clamp(28px,3.5vw,52px) 0;
  border-bottom: 1px solid var(--mist); position: relative; transition: padding-left .5s var(--ease);
}
.prod-row:hover { padding-left: 16px; }
.prod-row__idx { font-family: var(--font-display); color: var(--silver); font-size: 1rem; font-weight: 500; }
.prod-row__title { font-family: var(--font-display); font-size: clamp(1.4rem, 2.6vw, 2.2rem); font-weight: 600; }
.prod-row__desc { color: var(--steel); font-size: .98rem; }
.prod-row__arrow { width: 52px; height: 52px; border:1px solid var(--mist); border-radius:50%; display:grid; place-items:center; transition: all .4s var(--ease); }
.prod-row:hover .prod-row__arrow { background: var(--ink); color:#fff; transform: rotate(-45deg); }

/* ---------- Feature cards ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(2px, .3vw, 4px); background: var(--mist); border: 1px solid var(--mist); }
.feature {
  background: var(--paper); padding: clamp(32px,3.5vw,52px);
  transition: background .5s var(--ease), color .5s var(--ease);
}
.feature:hover { background: var(--ink); color: #fff; }
.feature__icon { width: 44px; height: 44px; color: var(--accent); margin-bottom: 26px; transition: color .5s; }
.feature:hover .feature__icon { color: var(--accent-soft); }
.feature h3 { font-size: 1.3rem; margin-bottom: 14px; }
.feature p { color: var(--steel); font-size: .96rem; transition: color .5s; }
.feature:hover p { color: rgba(255,255,255,.7); }
.feature__num { font-family: var(--font-display); font-size:.8rem; letter-spacing:.2em; color: var(--silver); margin-bottom: 26px; display:block; }

/* ---------- Split feature (image + text) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 5vw, 90px); align-items: center; }
.split--reverse .split__media { order: 2; }
.split__media { position: relative; overflow: hidden; aspect-ratio: 4/5; }
.split__media img { width:100%; height:100%; object-fit: cover; }
.split__media--tall { aspect-ratio: 3/4; }
.split ul.ticks { margin-top: 28px; display: grid; gap: 14px; }
.split ul.ticks li { display:flex; gap:14px; align-items:flex-start; color: var(--carbon); }
.split ul.ticks li::before { content:""; width:18px; height:18px; flex:none; margin-top:4px; border:1px solid var(--accent); background: var(--accent-line); border-radius:2px; position:relative; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--ink); color:#fff; position: relative; overflow:hidden; }
.cta-band::before {
  content:""; position:absolute; inset:0; opacity:.5;
  background: radial-gradient(120% 120% at 80% 0%, rgba(62,107,151,.4) 0%, transparent 50%);
}
.cta-band .container { position: relative; }
.cta-band__inner { display:flex; align-items:flex-end; justify-content:space-between; gap:40px; flex-wrap:wrap; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: rgba(255,255,255,.7); padding-top: clamp(64px,7vw,110px); }
.footer-top { display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: clamp(28px,3vw,48px); padding-bottom: clamp(48px,6vw,80px); border-bottom:1px solid rgba(255,255,255,.1); }
.footer-brand .brand-mark { border-color: rgba(255,255,255,.4); color:#fff; }
.footer-brand .b-en { color:#fff; }
.footer-col h4 { font-size:.78rem; letter-spacing:.18em; text-transform:uppercase; color:rgba(255,255,255,.45); margin-bottom: 22px; }
.footer-col a { display:block; padding: 7px 0; color: rgba(255,255,255,.72); transition: color .3s; font-size:.96rem; }
.footer-col a:hover { color:#fff; }
.footer-bottom { display:flex; justify-content:space-between; align-items:center; gap:20px; padding-block: 30px; flex-wrap:wrap; font-size:.84rem; color: rgba(255,255,255,.45); }

/* ---------- Page hero (interior pages) ---------- */
.page-hero { position: relative; padding-top: calc(var(--header-h) + clamp(60px,8vw,120px)); padding-bottom: clamp(48px,6vw,90px); color:#fff; overflow:hidden; }
.page-hero__media { position:absolute; inset:0; z-index:-2; }
.page-hero__media img { width:100%; height:100%; object-fit: cover; }
.page-hero__media::after { content:""; position:absolute; inset:0; background: linear-gradient(180deg, rgba(11,12,14,.7), rgba(11,12,14,.55)); }
.page-hero h1 { max-width: 18ch; margin-top: 20px; }
.page-hero .lead { color: rgba(255,255,255,.8); max-width: 52ch; margin-top: 22px; }
.breadcrumb { display:flex; gap:10px; font-size:.8rem; letter-spacing:.05em; opacity:.7; margin-top: 6px; }
.breadcrumb a:hover { opacity:1; }

/* ---------- Filter bar ---------- */
.filter-bar { display:flex; gap: 8px; flex-wrap:wrap; margin-bottom: clamp(32px,4vw,56px); }
.filter-btn {
  padding: 10px 22px; border:1px solid var(--mist); border-radius: 40px;
  font-family: var(--font-display); font-size:.88rem; font-weight:500; color: var(--steel);
  transition: all .35s var(--ease);
}
.filter-btn:hover { border-color: var(--ink); color: var(--ink); }
.filter-btn[aria-pressed="true"] { background: var(--ink); color:#fff; border-color: var(--ink); }

/* ---------- Forms ---------- */
.form-grid { display:grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.field { display:flex; flex-direction: column; gap: 9px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size:.82rem; letter-spacing:.08em; text-transform:uppercase; color: var(--steel); font-family: var(--font-display); font-weight:500; }
.field input, .field select, .field textarea {
  font: inherit; font-size: 1rem; padding: 14px 16px;
  border: 1px solid var(--silver); border-radius: 2px; background: var(--paper); color: var(--ink);
  transition: border-color .3s, box-shadow .3s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-line);
}
.field textarea { resize: vertical; min-height: 140px; }
.field .err { color: #c0392b; font-size:.82rem; display:none; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: #c0392b; }
.field.invalid .err { display: block; }
.form-note { font-size:.86rem; color: var(--steel); }
.form-success { display:none; padding: 18px 22px; background: var(--accent-line); border-left: 3px solid var(--accent); color: var(--accent); font-weight:500; border-radius: 2px; }
.form-success.show { display:block; }
.form-error { display:none; padding: 14px 18px; background: rgba(192,57,43,.08); border-left: 3px solid #c0392b; color:#a93226; border-radius:2px; font-size:.95rem; }
.field input[type="file"] { padding: 11px 12px; background: var(--fog); border-style: dashed; cursor: pointer; }
.field input[type="file"]::file-selector-button { font: inherit; padding: 6px 12px; margin-right: 12px; border: 1px solid var(--silver); border-radius: 2px; background: #fff; cursor: pointer; }
.field .hint { font-size:.8rem; color: var(--steel); }

/* ---------- Info rows (contact) ---------- */
.info-row { display:flex; gap: 18px; padding: 26px 0; border-bottom:1px solid var(--mist); }
.info-row__icon { width:42px; height:42px; flex:none; color: var(--accent); }
.info-row h4 { font-size:.78rem; letter-spacing:.16em; text-transform:uppercase; color: var(--steel); margin-bottom:8px; }
.info-row p { font-size:1.05rem; color: var(--ink); }

/* ---------- Detail page ---------- */
.detail-meta { display:grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--mist); border:1px solid var(--mist); margin: clamp(40px,5vw,64px) 0; }
.detail-meta__item { background:var(--paper); padding: clamp(22px,2.5vw,32px); }
.detail-meta__item h4 { font-size:.74rem; letter-spacing:.16em; text-transform:uppercase; color:var(--steel); margin-bottom:10px; }
.detail-meta__item p { font-family: var(--font-display); font-weight:500; font-size:1.1rem; }
.masonry { columns: 2; column-gap: clamp(16px,2vw,24px); }
.masonry img { width:100%; margin-bottom: clamp(16px,2vw,24px); break-inside: avoid; }
.detail-block { display:grid; grid-template-columns: 1fr 1.6fr; gap: clamp(24px,4vw,72px); padding-block: clamp(36px,4vw,60px); border-top:1px solid var(--mist); }
.detail-block h3 { font-size: clamp(1.3rem,2vw,1.7rem); }
.detail-block p { color: var(--carbon); }

/* ---------- Logo cloud / certs ---------- */
.cert-grid { display:grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--mist); border:1px solid var(--mist); }
.cert { background: var(--paper); aspect-ratio: 3/2; display:grid; place-items:center; padding: 20px; text-align:center; }
.cert span { font-family: var(--font-display); font-weight:600; letter-spacing:.05em; color: var(--carbon); font-size:1.05rem; }
.cert small { display:block; color: var(--silver); font-size:.7rem; letter-spacing:.1em; margin-top:4px; text-transform:uppercase; }


/* ---------- Neisen system windows page ---------- */
.compare { display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--mist); border:1px solid var(--mist); border-radius:4px; overflow:hidden; }
.compare__col { background:var(--paper); padding:clamp(24px,3vw,40px); }
.compare__col--neisen { background:var(--ink); color:#fff; }
.compare__tag { font-family:var(--font-display); font-size:.74rem; letter-spacing:.2em; text-transform:uppercase; color:var(--steel); }
.compare__col--neisen .compare__tag { color:var(--accent-soft); }
.compare h3 { font-size:1.35rem; margin:10px 0 18px; }
.compare ul { display:grid; gap:12px; }
.compare li { display:flex; gap:12px; align-items:flex-start; font-size:.96rem; color:var(--carbon); }
.compare__col--neisen li { color:rgba(255,255,255,.82); }
.compare li::before { content:"×"; flex:none; width:22px; height:22px; border-radius:50%; display:grid; place-items:center; font-weight:700; font-size:.8rem; background:var(--mist); color:var(--steel); margin-top:2px; }
.compare__col--neisen li::before { content:"✓"; background:var(--accent); color:#fff; }
.pillar-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(14px,2vw,24px); }
.pillar { background:var(--paper); border:1px solid var(--mist); display:grid; grid-template-columns:38% 1fr; overflow:hidden; }
.pillar__media { background:var(--ink); min-height:100%; }
.pillar__media img { width:100%; height:100%; object-fit:cover; display:block; }
.pillar__body { padding:clamp(18px,2vw,26px) clamp(16px,2vw,24px); }
.pillar__num { font-family:var(--font-display); font-size:.72rem; letter-spacing:.2em; text-transform:uppercase; color:var(--accent); }
.pillar h3 { font-size:1.15rem; margin:6px 0 12px; }
.pillar ul { display:grid; gap:8px; }
.pillar li { font-size:.9rem; color:var(--carbon); padding-left:15px; position:relative; line-height:1.5; }
.pillar li::before { content:""; position:absolute; left:0; top:.55em; width:6px; height:6px; border-radius:50%; background:var(--accent); }
.craft { display:grid; grid-template-columns:repeat(4,1fr); gap:clamp(14px,2vw,24px); }
.craft__item img { width:100%; aspect-ratio:5/4; object-fit:cover; background:#111; display:block; }
.craft__step { font-family:var(--font-display); font-size:.72rem; letter-spacing:.2em; color:var(--accent); margin-top:14px; }
.craft h4 { font-size:1.05rem; margin:6px 0 8px; }
.craft p { font-size:.9rem; color:var(--steel); }
.mats { display:grid; grid-template-columns:repeat(5,1fr); gap:clamp(12px,2vw,22px); }
.mat { text-align:center; }
.mat img { width:104px; height:104px; border-radius:50%; object-fit:cover; margin:0 auto 14px; background:#111; display:block; }
.mat h4 { font-size:1rem; margin-bottom:6px; }
.mat p { font-size:.86rem; color:var(--steel); }
.mat small { display:block; font-family:var(--font-display); font-size:.7rem; letter-spacing:.08em; color:var(--accent); margin-top:8px; }
html[dir="rtl"] .pillar li { padding-left:0; padding-right:15px; } html[dir="rtl"] .pillar li::before { left:auto; right:0; }
@media (max-width:1024px){ .pillar-grid{grid-template-columns:repeat(2,1fr)} .craft{grid-template-columns:repeat(2,1fr)} .mats{grid-template-columns:repeat(3,1fr)} }
@media (max-width:640px){ .compare{grid-template-columns:1fr} .pillar-grid{grid-template-columns:1fr} .pillar{grid-template-columns:34% 1fr} .mats{grid-template-columns:repeat(2,1fr)} }

/* ---------- Scroll reveal ---------- */
[data-reveal] { opacity: 0; transform: translateY(34px); transition: opacity .9s var(--ease-out), transform .9s var(--ease-out); }
[data-reveal].in { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .08s; }
[data-reveal][data-delay="2"] { transition-delay: .16s; }
[data-reveal][data-delay="3"] { transition-delay: .24s; }
[data-reveal][data-delay="4"] { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity:1 !important; transform:none !important; }
  html { scroll-behavior: auto; }
}

/* parallax target */
[data-parallax] { will-change: transform; }

/* lang visibility utility (used sparingly; most text swapped by JS) */
.en-only { display: none; }
html[lang="en"] .en-only { display: revert; }
html[lang="zh"] .zh-only { display: revert; }
.zh-only { display: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.1); }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .proj-card--lg, .proj-card--sm, .proj-card--half, .proj-card--third { grid-column: span 12; }
}
@media (max-width: 860px) {
  .nav-list { display: none; }
  .burger { display: flex; }
  .nav { gap: 16px; }
  .split, .split--reverse .split__media { grid-template-columns: 1fr; order: 0; }
  .split__media { aspect-ratio: 16/10; }
  .prod-row { grid-template-columns: 40px 1fr auto; }
  .prod-row__desc { display: none; }
  .detail-block { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .detail-meta { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .brand-mark { width: 40px; height: 40px; font-size: 1rem; }
  .brand-text .b-en { font-size: .92rem; }
  .brand-text .b-sub { letter-spacing: .12em; font-size: .6rem; white-space: nowrap; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .masonry { columns: 1; }
  .cert-grid { grid-template-columns: repeat(2,1fr); }
  .stats__grid { grid-template-columns: 1fr 1fr; }
  .hero__scroll { display: none; }
}

/* ============================================================
   v2 · Nav dropdowns, mobile sub-menus, new page components
   ============================================================ */
/* ---- dropdown nav ---- */
.nav-list > li { position: relative; }
.nav-list > li.has-sub { display: inline-flex; align-items: center; gap: 4px; }
.nav-caret { width: 13px; height: 13px; opacity: .6; transition: transform .3s var(--ease); }
.has-sub:hover .nav-caret, .has-sub.open .nav-caret { transform: rotate(180deg); }
.nav-sub {
  position: absolute; top: calc(100% + 14px); left: -12px; min-width: 232px;
  background: #fff; color: var(--ink); border: 1px solid var(--mist); border-radius: 4px;
  box-shadow: 0 16px 40px rgba(11,12,14,.16); padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s; z-index: 130;
}
.nav-sub::before { content: ""; position: absolute; left: 0; right: 0; top: -14px; height: 14px; } /* hover bridge */
.has-sub:hover .nav-sub, .has-sub.open .nav-sub, .has-sub:focus-within .nav-sub { opacity: 1; visibility: visible; transform: none; }
.nav-sub__link {
  display: block; padding: 10px 14px; border-radius: 3px; font-size: .9rem; font-weight: 500;
  font-family: var(--font-display); color: var(--ink); white-space: nowrap; transition: background .2s, color .2s;
}
.nav-sub__link:hover { background: var(--mist); }
.nav-sub__link[aria-current="page"] { color: var(--accent); background: var(--accent-line); }
html[dir="rtl"] .nav-sub { left: auto; right: -12px; }
/* mobile sub links */
.mobile-sub { display: grid; padding: 4px 0 10px 18px; }
.mobile-sub a { font-size: 1rem !important; font-weight: 500 !important; padding: 8px 0 !important; border-bottom: none !important; opacity: .82; }
.mobile-sub a::before { content: "—"; opacity: .4; margin-right: 10px; }
html[dir="rtl"] .mobile-sub { padding: 4px 18px 10px 0; } html[dir="rtl"] .mobile-sub a::before { margin: 0 0 0 10px; }

/* ---- filter groups (projects) ---- */
.filter-group { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 14px; }
.filter-group__label { font-family: var(--font-display); font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--steel); margin-right: 6px; }
html[lang="zh"] .filter-group__label, html[lang="ar"] .filter-group__label { letter-spacing: .05em; }

/* ---- service rows (one-stop services) ---- */
.svc { display: grid; grid-template-columns: 96px 1fr 1.1fr; gap: clamp(20px,3vw,48px); padding: clamp(30px,4vw,56px) 0; border-top: 1px solid var(--mist); align-items: start; }
.svc:last-child { border-bottom: 1px solid var(--mist); }
.svc__idx { font-family: var(--font-display); font-size: 2.4rem; font-weight: 600; color: var(--silver); line-height: 1; }
.svc h3 { font-size: clamp(1.35rem,2.4vw,1.9rem); margin-bottom: 10px; }
.svc__tag { display: inline-block; font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); font-family: var(--font-display); font-weight: 500; margin-bottom: 12px; }
.svc p { color: var(--carbon); }
.svc ul { margin-top: 16px; display: grid; gap: 9px; }
.svc ul li { display: flex; gap: 12px; align-items: flex-start; color: var(--carbon); font-size: .95rem; }
.svc ul li::before { content: ""; width: 7px; height: 7px; margin-top: 9px; flex: none; background: var(--accent); border-radius: 1px; }
.chain { display: grid; grid-template-columns: repeat(5,1fr); gap: 2px; background: var(--mist); border: 1px solid var(--mist); margin-top: 10px; }
.chain__step { background: var(--paper); padding: 22px 18px; position: relative; }
.chain__step b { display: block; font-family: var(--font-display); font-size: 1.02rem; margin-bottom: 6px; }
.chain__step span { font-size: .84rem; color: var(--steel); }
.chain__step::after { content: "→"; position: absolute; right: -4px; top: 50%; transform: translateY(-50%); color: var(--silver); z-index: 1; }
.chain__step:last-child::after { display: none; }
html[dir="rtl"] .chain__step::after { content: "←"; right: auto; left: -4px; }

/* ---- news ---- */
.news-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: clamp(18px,2.4vw,32px); }
.news-card { background: var(--paper); border: 1px solid var(--mist); display: flex; flex-direction: column; overflow: hidden; transition: transform .5s var(--ease), box-shadow .5s var(--ease); }
.news-card:hover { transform: translateY(-4px); box-shadow: 0 18px 44px rgba(11,12,14,.10); }
.news-card__media { aspect-ratio: 16/10; background: var(--mist); overflow: hidden; }
.news-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.news-card:hover .news-card__media img { transform: scale(1.05); }
.news-card__body { padding: 22px 22px 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.news-card__meta { display: flex; gap: 12px; align-items: center; font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--steel); font-family: var(--font-display); }
.news-card__cat { color: var(--accent); font-weight: 600; }
.news-card__cat--group { color: var(--accent-soft); }
.news-card h3 { font-size: 1.12rem; line-height: 1.35; }
.news-card p { color: var(--steel); font-size: .93rem; flex: 1; }
.news-card__more { font-family: var(--font-display); font-size: .86rem; font-weight: 500; color: var(--accent); }
.news-empty { padding: 60px 20px; text-align: center; color: var(--steel); border: 1px dashed var(--silver); }
.home-news { background: var(--fog); }

/* ---- careers ---- */
.job-list { display: grid; gap: 12px; }
.job { background: var(--paper); border: 1px solid var(--mist); padding: clamp(20px,2.6vw,30px); display: grid; grid-template-columns: 1.4fr 1fr 1fr auto; gap: 18px; align-items: center; transition: border-color .3s; }
.job:hover { border-color: var(--accent); }
.job h3 { font-size: 1.15rem; margin-bottom: 4px; }
.job__dept { font-size: .84rem; color: var(--steel); }
.job__meta { font-size: .9rem; color: var(--carbon); }
.job__meta small { display: block; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--steel); margin-bottom: 3px; font-family: var(--font-display); }
.job__desc { grid-column: 1 / -1; color: var(--carbon); font-size: .94rem; border-top: 1px solid var(--mist); padding-top: 14px; margin-top: 4px; }
.values { display: grid; grid-template-columns: repeat(4,1fr); gap: 2px; background: var(--mist); border: 1px solid var(--mist); }
.values__item { background: var(--paper); padding: 28px 22px; }
.values__item b { display: block; font-family: var(--font-display); font-size: 1.05rem; margin-bottom: 8px; }
.values__item span { font-size: .9rem; color: var(--steel); }

/* ---- branches / subsidiaries ---- */
.branch { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(28px,4vw,72px); padding: clamp(40px,5vw,72px) 0; border-top: 1px solid var(--mist); align-items: start; }
.branch__media { aspect-ratio: 4/3; overflow: hidden; background: var(--mist); }
.branch__media img { width: 100%; height: 100%; object-fit: cover; }
.branch__kicker { font-family: var(--font-display); font-size: .74rem; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; display: block; }
.branch h2 { font-size: clamp(1.5rem,2.8vw,2.1rem); }
.branch__sub { color: var(--steel); margin-top: 6px; }
.branch__blocks { display: grid; gap: 22px; margin-top: 26px; }
.branch__block h4 { font-size: .76rem; letter-spacing: .16em; text-transform: uppercase; color: var(--steel); margin-bottom: 8px; font-family: var(--font-display); }
.branch__block p, .branch__block li { color: var(--carbon); font-size: .96rem; }
.branch__block ul { display: grid; gap: 6px; }
.branch__block ul li { display: flex; gap: 10px; }
.branch__block ul li::before { content: ""; width: 6px; height: 6px; margin-top: 9px; flex: none; background: var(--accent); }
.branch__contact { display: grid; gap: 4px; font-size: .95rem; color: var(--carbon); }
.branch__contact a { color: var(--accent); }
.map-band { background: var(--ink); color: #fff; }
.map-band .loc { display: grid; grid-template-columns: repeat(4,1fr); }
.map-band .loc > div { padding: clamp(28px,4vw,52px) clamp(18px,2.5vw,36px); border-right: 1px solid rgba(255,255,255,.1); }
.map-band .loc > div:last-child { border-right: none; }
.map-band .loc b { display: block; font-family: var(--font-display); font-size: 1.1rem; margin-bottom: 6px; }
.map-band .loc span { font-size: .86rem; color: rgba(255,255,255,.6); }

/* ---- honors wall (about) ---- */
.honors { display: grid; grid-template-columns: repeat(3,1fr); gap: 2px; background: var(--mist); border: 1px solid var(--mist); }
.honor { background: var(--paper); padding: clamp(24px,3vw,36px); display: flex; flex-direction: column; gap: 8px; }
.honor__num { font-family: var(--font-display); font-size: clamp(2rem,3.6vw,2.8rem); font-weight: 600; line-height: 1; color: var(--accent); }
.honor__num small { font-size: .45em; color: var(--steel); margin-left: 4px; }
.honor b { font-size: 1.02rem; }
.honor span { font-size: .88rem; color: var(--steel); }
.honor-list { columns: 2; column-gap: clamp(24px,4vw,56px); margin-top: 28px; }
.honor-list li { break-inside: avoid; display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--mist); color: var(--carbon); font-size: .95rem; }
.honor-list li::before { content: "✦"; color: var(--accent); flex: none; }

@media (max-width: 1024px) {
  .news-grid { grid-template-columns: 1fr 1fr; }
  .chain { grid-template-columns: repeat(3,1fr); }
  .values { grid-template-columns: 1fr 1fr; }
  .map-band .loc { grid-template-columns: 1fr 1fr; }
  .map-band .loc > div:nth-child(2) { border-right: none; }
}
@media (max-width: 860px) {
  .svc { grid-template-columns: 52px 1fr; } .svc > :last-child { grid-column: 2; }
  .branch { grid-template-columns: 1fr; }
  .job { grid-template-columns: 1fr 1fr; }
  .honors { grid-template-columns: 1fr 1fr; }
  .honor-list { columns: 1; }
}
@media (max-width: 560px) {
  .news-grid { grid-template-columns: 1fr; }
  .chain { grid-template-columns: 1fr; } .chain__step::after { display: none; }
  .values { grid-template-columns: 1fr; }
  .job { grid-template-columns: 1fr; }
  .honors { grid-template-columns: 1fr; }
  .map-band .loc { grid-template-columns: 1fr; } .map-band .loc > div { border-right: none; border-bottom: 1px solid rgba(255,255,255,.1); }
}
@media (max-width: 1240px) and (min-width: 861px) { .nav { gap: 22px; } .nav-list { gap: 20px; } .nav-link { font-size: .84rem; } .brand-text .b-sub { display: none; } }

/* ============================================================
   中文排版体系 · 高级感：宋体标题 + 松字距黑体正文
   ============================================================ */
html[lang="zh"] {
  --font-cn-serif: "Noto Serif SC", "Songti SC", "STSong", serif;
}
html[lang="zh"] body { font-family: var(--font-cn); letter-spacing: .01em; line-height: 1.85; }
html[lang="zh"] .display, html[lang="zh"] h1, html[lang="zh"] h2, html[lang="zh"] h3,
html[lang="zh"] .h-hero, html[lang="zh"] .h-1, html[lang="zh"] .h-2, html[lang="zh"] .h-3,
html[lang="zh"] .prod-row__title, html[lang="zh"] .branch h2 {
  font-family: var(--font-cn-serif); font-weight: 600; letter-spacing: .03em; line-height: 1.25;
}
html[lang="zh"] .h-hero { font-size: clamp(2.3rem, 5.6vw, 4.9rem); letter-spacing: .04em; line-height: 1.18; }
html[lang="zh"] .h-1   { font-size: clamp(1.8rem, 3.8vw, 3.1rem); }
html[lang="zh"] .lead  { line-height: 1.95; letter-spacing: .02em; font-weight: 400; }
html[lang="zh"] p, html[lang="zh"] li { letter-spacing: .015em; }
html[lang="zh"] .eyebrow, html[lang="zh"] .svc__tag, html[lang="zh"] .branch__kicker,
html[lang="zh"] .news-card__meta, html[lang="zh"] .filter-group__label,
html[lang="zh"] .stat__label, html[lang="zh"] .footer-col h4, html[lang="zh"] .detail-meta__item h4,
html[lang="zh"] .branch__block h4, html[lang="zh"] .honor__num small { font-family: var(--font-cn); letter-spacing: .3em; font-weight: 500; }
html[lang="zh"] .nav-link, html[lang="zh"] .nav-sub__link, html[lang="zh"] .mobile-menu a span { font-family: var(--font-cn); letter-spacing: .12em; font-weight: 500; }
html[lang="zh"] .btn, html[lang="zh"] .filter-btn, html[lang="zh"] .lang-select__btn { font-family: var(--font-cn); letter-spacing: .14em; font-weight: 500; }
html[lang="zh"] .proj-card__meta, html[lang="zh"] .proj-card__sys { letter-spacing: .1em; }
html[lang="zh"] .brand-text .b-en { font-family: var(--font-cn-serif); letter-spacing: .12em; font-weight: 700; }
html[lang="zh"] .brand-text .b-sub { letter-spacing: .22em; }
html[lang="zh"] .stat__num, html[lang="zh"] .honor__num, html[lang="zh"] .svc__idx, html[lang="zh"] .prod-row__idx { font-family: var(--font-display); } /* 数字保留西文几何字体 */
html[lang="zh"] .feature h3, html[lang="zh"] .news-card h3, html[lang="zh"] .job h3 { font-weight: 600; }
html[lang="zh"] .hero .lead { max-width: 30em; }
/* 中文标题：按字数控宽 + 平衡换行，避免孤字 */
html[lang="zh"] h1, html[lang="zh"] h2, html[lang="zh"] .h-hero, html[lang="zh"] .h-1, html[lang="zh"] .h-2 { text-wrap: balance; }
html[lang="zh"] .hero h1 { max-width: 12em; }
html[lang="zh"] .page-hero h1 { max-width: 14em; }
html[lang="zh"] .sec-head__text { max-width: 30em; }
html[lang="zh"] .cta-band h2 { max-width: 14em !important; }
html[lang="zh"] .hero .lead, html[lang="zh"] .page-hero .lead { max-width: 32em; }
/* 排版体检修正 · 第一轮：标题平衡换行、半栏大标题降一档 */
h1, h2, h3, .h-hero, .h-1, .h-2, .proj-card h3, .news-card h3, .feature h3, .job h3 { text-wrap: balance; }
.split .h-1 { font-size: clamp(1.9rem, 3.5vw, 3rem); }
.cta-band h2 { text-wrap: balance; }
/* ---- 移动端菜单：可滚动、不卡、字号收敛 ---- */
.mobile-menu { justify-content: flex-start; overflow-y: auto; -webkit-overflow-scrolling: touch; overscroll-behavior: contain;
  padding-top: calc(var(--header-h) + 16px); padding-bottom: 40px; gap: 0; }
.mobile-menu a { font-size: clamp(1.35rem, 5.5vw, 2rem); padding: 14px 0; }
.mobile-menu .mobile-sub a { font-size: 1rem !important; padding: 8px 0 !important; }
.mobile-menu nav { display: flex; flex-direction: column; }
body.menu-open { overflow: hidden; touch-action: none; }
/* 手机端关闭视差（避免大图 transform 掉帧）*/
@media (max-width: 860px), (hover: none) { [data-parallax] { transform: none !important; } .hero__media img { will-change: auto; } }
/* 大图渐进、避免布局抖动 */
.hero__media img, .page-hero__media img, .proj-card__media img, .news-card__media img, .branch__media img, .split__media img { content-visibility: auto; }
/* 手机端：固定头部不用 backdrop-filter（滚动更顺） */
@media (max-width: 860px) {
  .site-header[data-mode="solid"] { background: rgba(255,255,255,.97); backdrop-filter: none; -webkit-backdrop-filter: none; }
  .btn--light { backdrop-filter: none; -webkit-backdrop-filter: none; background: rgba(255,255,255,.14); }
}
/* 排版体检修正 · 第二轮：导航更紧凑（8 项不溢出）、半栏标题降档 */
.nav { gap: 26px; }
.nav-list { gap: 22px; }
.nav-link { font-size: .86rem; white-space: nowrap; }
.nav-list > li.has-sub { gap: 3px; }
.lang-select__btn { padding: 7px 10px; }
@media (max-width: 1320px) and (min-width: 861px) { .nav { gap: 18px; } .nav-list { gap: 16px; } .nav-link { font-size: .8rem; } .lang-select__cur { display: none; } .lang-select__btn { gap: 5px; } .brand-text .b-sub { display: none; } }
.split .h-1 { font-size: clamp(1.8rem, 3.1vw, 2.7rem); letter-spacing: -.02em; }
html[lang="zh"] .split .h-1 { letter-spacing: .03em; }
/* 导航项垂直对齐：所有一级项统一为 flex，含/不含下拉箭头的文字基线一致 */
.nav-list > li { display: flex; align-items: center; gap: 3px; height: 100%; }
.nav-list > li > .nav-link { display: inline-block; line-height: 1.2; padding: 6px 0; }
.nav-caret { position: relative; top: 1px; }
/* 分支机构：5 地地图带 + 即将开设标识 */
.map-band .loc { grid-template-columns: repeat(5,1fr); }
.map-band .loc--soon b::after { content: "SOON"; font-family: var(--font-display); font-size: .6rem; letter-spacing: .14em; vertical-align: middle; margin-left: 8px; padding: 2px 6px; border: 1px solid rgba(255,255,255,.35); border-radius: 2px; color: rgba(255,255,255,.75); }
html[lang="zh"] .map-band .loc--soon b::after { content: "即将开设"; letter-spacing: .1em; }
.branch__media { position: relative; }
.soon-badge { position: absolute; left: 16px; top: 16px; background: rgba(11,12,14,.72); color: #fff; font-family: var(--font-display); font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; padding: 7px 12px; border-radius: 2px; backdrop-filter: blur(4px); }
.branch--soon .branch__media img { filter: saturate(.85); }
@media (max-width: 1024px) { .map-band .loc { grid-template-columns: repeat(2,1fr); } .map-band .loc > div:nth-child(2), .map-band .loc > div:nth-child(4) { border-right: none; } .map-band .loc > div:nth-child(-n+4) { border-bottom: 1px solid rgba(255,255,255,.1); } }
/* 细节：锚点避开固定头部；焦点态；细节收敛 */
section[id], .branch[id], [id^="curtain-wall"], [id="windows"], [id="glass"] { scroll-margin-top: 96px; }
.nav-link:focus-visible, .btn:focus-visible, .filter-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.error-page { min-height: 100svh; display: grid; place-items: center; text-align: center; padding: 120px var(--gutter) 80px; }
.error-page .code { font-family: var(--font-display); font-size: clamp(5rem, 16vw, 11rem); font-weight: 600; line-height: 1; color: var(--mist); letter-spacing: -.04em; }
.error-page h1 { margin-top: -0.4em; }

/* ============================================================
   打磨轮 f · 相册灯箱 / 上下项目 / 表单状态 / 数据带 / 打印
   ============================================================ */
/* ---- 数据带：等宽数字不抖动、长数字降档、口径小注 ---- */
.stat__num { font-variant-numeric: tabular-nums; }
.stat__num--long { font-size: clamp(1.6rem, 2.7vw, 2.6rem); }
.stats__note { padding: 0 0 clamp(22px,3vw,32px); font-size: .78rem; line-height: 1.7; color: rgba(255,255,255,.42); max-width: 92ch; }
.stats__note::before { content: ""; display: block; width: 28px; height: 1px; background: rgba(255,255,255,.25); margin-bottom: 12px; }
html[lang="zh"] .stats__note { letter-spacing: .02em; }

/* ---- 案例详情：相册可点、灯箱 ---- */
.masonry img { cursor: zoom-in; transition: opacity .3s; }
.masonry img:hover { opacity: .92; }
.lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(11,12,14,.94); display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: opacity .35s var(--ease), visibility .35s; }
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox__img { max-width: min(92vw, 1600px); max-height: 86vh; object-fit: contain; box-shadow: 0 30px 80px rgba(0,0,0,.5);
  transform: scale(.96); opacity: 0; transition: transform .45s var(--ease), opacity .35s; user-select: none; -webkit-user-drag: none; }
.lightbox.open .lightbox__img { transform: none; opacity: 1; }
.lightbox__btn { position: absolute; width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; color: #fff;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); transition: background .3s, transform .3s var(--ease); }
.lightbox__btn:hover { background: rgba(255,255,255,.2); }
.lightbox__btn svg { width: 22px; height: 22px; }
.lightbox__close { top: 22px; right: 22px; }
.lightbox__prev { left: 22px; top: 50%; transform: translateY(-50%); }
.lightbox__next { right: 22px; top: 50%; transform: translateY(-50%); }
.lightbox__prev:hover { transform: translateY(-50%) translateX(-3px); }
.lightbox__next:hover { transform: translateY(-50%) translateX(3px); }
.lightbox__cap { position: absolute; left: 0; right: 0; bottom: 20px; text-align: center; color: rgba(255,255,255,.7);
  font-family: var(--font-display); font-size: .82rem; letter-spacing: .12em; display: flex; justify-content: center; gap: 18px; align-items: center; padding: 0 90px; }
.lightbox__cap b { color: #fff; font-weight: 500; }
body.lightbox-open { overflow: hidden; }
@media (max-width: 640px) {
  .lightbox__img { max-width: 100vw; max-height: 78vh; }
  .lightbox__btn { width: 42px; height: 42px; }
  .lightbox__prev { left: 10px; } .lightbox__next { right: 10px; } .lightbox__close { top: 12px; right: 12px; }
  .lightbox__cap { padding: 0 20px; bottom: 14px; }
}
html[dir="rtl"] .lightbox__prev svg, html[dir="rtl"] .lightbox__next svg { transform: scaleX(-1); }

/* ---- 案例详情：上一个 / 下一个项目 ---- */
.proj-nav { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--mist); border-bottom: 1px solid var(--mist); margin-top: clamp(40px,5vw,72px); }
.proj-nav__link { display: flex; align-items: center; gap: 22px; padding: clamp(26px,3vw,40px) clamp(8px,1.5vw,24px); min-width: 0; transition: background .35s var(--ease); }
.proj-nav__link:hover { background: var(--fog); }
.proj-nav__link--next { justify-content: flex-end; text-align: right; border-left: 1px solid var(--mist); }
.proj-nav__thumb { width: 96px; aspect-ratio: 4/3; flex: none; overflow: hidden; background: var(--mist); }
.proj-nav__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.proj-nav__link:hover .proj-nav__thumb img { transform: scale(1.06); }
.proj-nav__text { min-width: 0; }
.proj-nav__kicker { display: flex; align-items: center; gap: 8px; font-family: var(--font-display); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--steel); margin-bottom: 8px; }
.proj-nav__link--next .proj-nav__kicker { justify-content: flex-end; }
.proj-nav__kicker svg { width: 14px; height: 14px; transition: transform .35s var(--ease); }
.proj-nav__link--prev:hover .proj-nav__kicker svg { transform: translateX(-4px); }
.proj-nav__link--next:hover .proj-nav__kicker svg { transform: translateX(4px); }
.proj-nav__title { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.05rem, 1.6vw, 1.35rem); line-height: 1.25; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
html[lang="zh"] .proj-nav__title { font-family: var(--font-cn-serif); }
html[lang="zh"] .proj-nav__kicker { letter-spacing: .3em; }
html[dir="rtl"] .proj-nav__link--next { border-left: none; border-right: 1px solid var(--mist); }
html[dir="rtl"] .proj-nav__kicker svg { transform: scaleX(-1); }
@media (max-width: 640px) {
  .proj-nav { grid-template-columns: 1fr; }
  .proj-nav__link--next { border-left: none; border-top: 1px solid var(--mist); }
  .proj-nav__thumb { width: 76px; }
}

/* ---- 询价表单：发送中 / 成功卡片 / 附件清单 ---- */
.btn.is-busy { pointer-events: none; opacity: .7; }
.btn__spin { width: 16px; height: 16px; border: 2px solid rgba(255,255,255,.35); border-top-color: #fff; border-radius: 50%; animation: btnSpin .8s linear infinite; display: none; }
.btn.is-busy .btn__spin { display: inline-block; }
.btn.is-busy > svg:not(.btn__spin) { display: none; }
@keyframes btnSpin { to { transform: rotate(360deg); } }
.form-success { padding: clamp(28px,4vw,44px); text-align: center; border-left: none; border: 1px solid var(--accent-line); background: var(--fog); color: var(--ink); font-weight: 400; }
.form-success__icon { width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 50%; border: 1.5px solid var(--accent); display: grid; place-items: center; color: var(--accent); }
.form-success__icon svg { width: 30px; height: 30px; }
.form-success__icon path { stroke-dasharray: 40; stroke-dashoffset: 40; }
.form-success.show .form-success__icon { animation: popIn .5s var(--ease) both; }
.form-success.show .form-success__icon path { animation: drawCheck .5s .25s var(--ease) forwards; }
@keyframes popIn { from { transform: scale(.6); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes drawCheck { to { stroke-dashoffset: 0; } }
.form-success h3 { font-size: 1.3rem; margin-bottom: 10px; }
.form-success p { color: var(--carbon); max-width: 46ch; margin: 0 auto; }
.form-success .btn { margin-top: 24px; }
form.sent .form-grid, form.sent .form-actions { display: none; }
.file-list { display: grid; gap: 6px; margin-top: 4px; }
.file-list__item { display: flex; align-items: center; gap: 10px; font-size: .84rem; color: var(--carbon); padding: 7px 10px; background: var(--fog); border: 1px solid var(--mist); border-radius: 2px; }
.file-list__item svg { width: 14px; height: 14px; color: var(--accent); flex: none; }
.file-list__item span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-list__item small { color: var(--steel); margin-left: auto; flex: none; }
.file-list__item.too-big { border-color: #c0392b; color: #a93226; }
.file-list__item.too-big svg { color: #c0392b; }
.form-error { line-height: 1.55; }
.form-error small { display: block; margin-top: 4px; opacity: .8; }

/* ---- 打印 / 存为 PDF ---- */
@media print {
  @page { margin: 14mm; }
  html { scroll-behavior: auto; }
  body { font-size: 11pt; color: #000; background: #fff; }
  .site-header, .mobile-menu, .burger, .lang-select, .hero__scroll, .cta-band, .site-footer .footer-top .footer-col:not(:last-child),
  .filter-group, .btn, .lightbox, .proj-nav, .form-actions, .form-note, .news-card__more, #d-related, [data-reveal] .btn { display: none !important; }
  [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
  [data-parallax] { transform: none !important; }
  .hero, .page-hero { min-height: 0 !important; padding-top: 24px !important; padding-bottom: 24px !important; color: #000 !important; }
  .hero__media, .page-hero__media { display: none !important; }
  .hero .lead, .page-hero .lead, .hero h1, .page-hero h1 { color: #000 !important; }
  .eyebrow { color: #333 !important; }
  .stats, .map-band, .cta-band, .site-footer { background: #fff !important; color: #000 !important; }
  .stat__label, .map-band .loc span, .site-footer, .site-footer a { color: #333 !important; }
  .stats__note { color: #555 !important; }
  .section { padding-block: 24px !important; }
  .split { grid-template-columns: 1fr 1fr; gap: 20px; }
  .proj-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .proj-card, .news-card, .feature, .branch, .job, .honor, .svc { break-inside: avoid; page-break-inside: avoid; }
  .proj-card__body { position: static !important; background: none !important; color: #000 !important; padding: 8px 0 !important; }
  .proj-card__sys { color: #333 !important; }
  .proj-card--lg, .proj-card--sm, .proj-card--half, .proj-card--third { grid-column: span 1 !important; }
  .masonry { columns: 2; }
  img { max-height: 90vh; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: .8em; color: #555; }
  .brand a::after, .proj-card::after, .news-card::after { content: none; }
  h1, h2, h3 { page-break-after: avoid; }
  .feature { background: #fff !important; color: #000 !important; border: 1px solid #ddd; }
  .feature p { color: #333 !important; }
  .compare__col--neisen { background: #fff !important; color: #000 !important; border: 1px solid #000; }
  .compare__col--neisen li { color: #000 !important; }
  .site-footer { padding-top: 20px !important; border-top: 1px solid #ddd; }
  .footer-brand p { color: #333 !important; }
  .footer-bottom { color: #555 !important; }
}

/* ============================================================
   骨架重构 g · 安静首屏 / 文字链接 / 图片带 / 荣誉页 / 按语言密度
   ============================================================ */
.hero--quiet .hero__inner { padding-bottom: clamp(80px, 10vw, 140px); }
.hero--quiet h1 { max-width: 24ch; margin-top: 0; font-size: clamp(2rem, 4.2vw, 3.6rem); }
html[lang="zh"] .hero--quiet h1 { max-width: 16em; font-size: clamp(1.9rem, 3.8vw, 3.2rem); }
.hero--quiet .lead { max-width: 56ch; margin-top: 22px; font-size: clamp(1rem, 1.3vw, 1.15rem); }
html[lang="zh"] .hero--quiet .lead { max-width: 34em; }
.hero--quiet .hero__cta { margin-top: 32px; }
.hero__caption {
  position: absolute; right: var(--gutter); bottom: 30px; z-index: 2; max-width: 44ch; text-align: right;
  display: inline-flex; align-items: center; gap: 12px;
  color: rgba(255,255,255,.72); font-family: var(--font-display); font-size: .74rem; letter-spacing: .05em; line-height: 1.5;
  transition: color .3s;
}
.hero__caption::before { content: ""; width: 22px; height: 1px; background: currentColor; flex: none; }
.hero__caption:hover { color: #fff; }
html[lang="zh"] .hero__caption { font-family: var(--font-cn); letter-spacing: .08em; }
html[dir="rtl"] .hero__caption { right: auto; left: var(--gutter); text-align: left; }
@media (max-width: 860px) {
  .hero__caption { right: auto; left: var(--gutter); bottom: 22px; text-align: left; max-width: calc(100% - 2 * var(--gutter)); }
  html[dir="rtl"] .hero__caption { left: auto; right: var(--gutter); text-align: right; }
  .hero--quiet .hero__inner { padding-bottom: 112px; }
  .hero--quiet .lead { font-size: .95rem; }
}

/* section head without a headline */
.sec-head--quiet { align-items: center; margin-bottom: clamp(24px, 3vw, 40px); }

/* text link with arrow (replaces most buttons) */
.link-more {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: .9rem; font-weight: 500; color: var(--ink);
  border-bottom: 1px solid rgba(11,12,14,.25); padding-bottom: 4px; transition: border-color .3s;
}
.link-more::after { content: "→"; transition: transform .3s var(--ease); }
.link-more:hover { border-color: var(--ink); }
.link-more:hover::after { transform: translateX(4px); }
html[dir="rtl"] .link-more::after { content: "←"; }
html[dir="rtl"] .link-more:hover::after { transform: translateX(-4px); }
html[lang="zh"] .link-more { font-family: var(--font-cn); letter-spacing: .1em; }

/* wide image band with caption */
.band-img img { width: 100%; aspect-ratio: 16/6; object-fit: cover; background: var(--mist); }
.band-img__cap { display: block; padding-top: 14px; font-family: var(--font-display); font-size: .78rem; letter-spacing: .05em; color: var(--steel); }
html[lang="zh"] .band-img__cap { font-family: var(--font-cn); letter-spacing: .08em; }
@media (max-width: 640px) { .band-img img { aspect-ratio: 4/3; } }

/* language-density switches: .zh-only already exists; .intl-only hides for Chinese readers */
html[lang="zh"] .intl-only { display: none !important; }

/* honours page */
.honor-list--dated li b { flex: none; min-width: 5.2em; font-family: var(--font-display); font-weight: 500; color: var(--accent); }
.cert-photos { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(14px, 2vw, 24px); }
.cert-photos figure { background: var(--fog); border: 1px solid var(--mist); padding: 14px; margin: 0; }
.cert-photos img { width: 100%; aspect-ratio: 4/3; object-fit: contain; background: #fff; }
.cert-photos figcaption { margin-top: 10px; font-size: .82rem; color: var(--carbon); line-height: 1.5; }
@media (max-width: 1024px) { .cert-photos { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px) { .cert-photos { grid-template-columns: repeat(2, 1fr); } }

/* ---- 骨架重构 g · 第二批：中文标题改无衬线、定义列表、浅色地点带、效果图标签、项目事实表 ---- */
html[lang="zh"] { --font-cn-serif: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif; }
html[lang="zh"] .display, html[lang="zh"] h1, html[lang="zh"] h2, html[lang="zh"] h3,
html[lang="zh"] .h-hero, html[lang="zh"] .h-1, html[lang="zh"] .h-2, html[lang="zh"] .h-3 { font-weight: 600; letter-spacing: .02em; line-height: 1.3; }
html[lang="zh"] .brand-text .b-en { font-weight: 600; letter-spacing: .1em; }
.def-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 clamp(28px, 4vw, 64px); }
.def-list > div { padding: clamp(20px, 2.4vw, 30px) 0; border-top: 1px solid var(--mist); }
.def-list h4 { font-size: 1.05rem; margin-bottom: 8px; }
.def-list p { color: var(--carbon); font-size: .96rem; }
@media (max-width: 760px) { .def-list { grid-template-columns: 1fr; } }
.map-band--light { background: var(--fog); color: var(--ink); border-top: 1px solid var(--mist); border-bottom: 1px solid var(--mist); }
.map-band--light .loc > div { border-right-color: var(--mist); }
.map-band--light .loc span { color: var(--steel); }
.map-band--light .loc--soon b::after { border-color: var(--silver); color: var(--steel); }
@media (max-width: 1024px) { .map-band--light .loc > div:nth-child(-n+4) { border-bottom-color: var(--mist); } }
@media (max-width: 560px) { .map-band--light .loc > div { border-bottom-color: var(--mist); } }
.tag-render { display: inline-block; font-family: var(--font-display); font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; padding: 4px 8px; border: 1px solid rgba(255,255,255,.5); border-radius: 2px; color: rgba(255,255,255,.85); vertical-align: middle; margin-left: 10px; }
.proj-card .tag-render { position: absolute; top: 14px; left: 14px; margin: 0; background: rgba(11,12,14,.45); z-index: 3; }
.page-hero .tag-render { margin: 0 0 14px; display: inline-block; }
html[lang="zh"] .tag-render { font-family: var(--font-cn); letter-spacing: .1em; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1px; background: var(--mist); border: 1px solid var(--mist); margin: clamp(32px,4vw,48px) 0; }
.facts > div { background: var(--paper); padding: clamp(18px,2.2vw,26px); }
.facts h4 { font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--steel); margin-bottom: 8px; }
html[lang="zh"] .facts h4 { letter-spacing: .3em; font-family: var(--font-cn); }
.facts p { font-family: var(--font-display); font-weight: 500; font-size: 1.05rem; }
.proj-card__media img, .page-hero__media img, .hero__media img { filter: saturate(.94); }
.info-row { gap: 0; }

/* ---- 耐胜系统详情页：配置表、性能对照表、标准清单 ---- */
.spec-h { font-size: .76rem; letter-spacing: .16em; text-transform: uppercase; color: var(--steel); margin: 26px 0 8px; font-family: var(--font-display); }
html[lang="zh"] .spec-h { letter-spacing: .3em; font-family: var(--font-cn); }
.spec-kv { display: grid; grid-template-columns: 1fr 1fr; gap: 0 clamp(28px,4vw,64px); }
.spec-kv > div { display: grid; grid-template-columns: 11em 1fr; gap: 16px; padding: 16px 0; border-top: 1px solid var(--mist); }
.spec-kv h4 { font-size: .8rem; letter-spacing: .06em; color: var(--steel); font-weight: 500; padding-top: 2px; }
.spec-kv p { color: var(--carbon); font-size: .95rem; }
.spec-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--mist); }
.spec-table { width: 100%; min-width: 860px; border-collapse: collapse; font-size: .92rem; }
.spec-table th, .spec-table td { text-align: left; vertical-align: top; padding: 14px 16px; border-bottom: 1px solid var(--mist); border-right: 1px solid var(--mist); }
.spec-table th:last-child, .spec-table td:last-child { border-right: none; }
.spec-table thead th { background: var(--fog); font-family: var(--font-display); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--steel); font-weight: 500; }
.spec-table tbody th { font-weight: 600; color: var(--ink); width: 15%; background: var(--fog); }
.spec-table td { color: var(--carbon); }
html[lang="zh"] .spec-table thead th { letter-spacing: .2em; font-family: var(--font-cn); }
.spec-note { margin-top: 14px; font-size: .82rem; color: var(--steel); max-width: 90ch; }
.std-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: clamp(20px,3vw,44px); }
.std-grid h4 { font-size: .76rem; letter-spacing: .16em; text-transform: uppercase; color: var(--steel); margin-bottom: 10px; font-family: var(--font-display); }
.std-list li { display: grid; grid-template-columns: 12em 1fr; gap: 12px; padding: 10px 0; border-top: 1px solid var(--mist); font-size: .9rem; color: var(--carbon); }
.std-list li b { font-family: var(--font-display); font-weight: 500; color: var(--ink); }
@media (max-width: 900px) { .spec-kv { grid-template-columns: 1fr; } .std-grid { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .spec-kv > div, .std-list li { grid-template-columns: 1fr; gap: 4px; } }

/* ---- 行业资讯 ---- */
.news-card__cat--industry { color: var(--steel); }
.news-card__src { margin-left: auto; color: var(--silver); letter-spacing: .04em; text-transform: none; }

/* ---- 窗型立面图 ---- */
.wtypes { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 28px); }
.wtypes--strip { grid-template-columns: repeat(auto-fit, minmax(160px, 220px)); }
.wtype { display: block; border: 1px solid var(--mist); background: var(--paper); padding: clamp(16px,2vw,24px); transition: border-color .3s, transform .4s var(--ease); }
.wtype:hover { border-color: var(--accent); transform: translateY(-3px); }
.wtype--static:hover { border-color: var(--mist); transform: none; }
.wtype__fig { aspect-ratio: 1/1; background: var(--fog); display: grid; place-items: center; padding: 10%; margin-bottom: 14px; }
.wtype__fig img { width: 100%; height: 100%; object-fit: contain; }
.wtype h4 { font-size: 1.02rem; margin-bottom: 6px; }
.wtype p { font-size: .88rem; color: var(--steel); line-height: 1.5; }
.wtype-note { font-size: .8rem; color: var(--steel); max-width: 52ch; text-align: right; }
@media (max-width: 860px) { .wtypes { grid-template-columns: repeat(2, 1fr); } .wtype-note { text-align: left; } }
@media (max-width: 480px) { .wtypes { grid-template-columns: 1fr 1fr; gap: 12px; } .wtype { padding: 12px; } .wtype h4 { font-size: .92rem; } .wtype p { display: none; } }

/* ---- 分支机构：无图布局、地点带自适应列数 ---- */
.branch--noimg { grid-template-columns: 1fr; }
.branch--noimg .branch__media { display: none; }
.map-band .loc { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
@media (max-width: 1024px) { .map-band .loc { grid-template-columns: repeat(2, 1fr); } .map-band .loc > div:nth-child(even) { border-right: none; } .map-band .loc > div { border-bottom: 1px solid var(--mist); } }
@media (max-width: 560px) { .map-band .loc { grid-template-columns: 1fr; } }

/* ---- 品牌标识：官方图形 + 宝业 BAOYE 字标（浅色/深色两套） ---- */
.brand { gap: 14px; }
.brand-mark { width: auto; height: 44px; background: none; box-shadow: none; padding: 0; border-radius: 0; display: block; }
.brand-mark img { height: 44px; width: auto; }
.brand-mark__dark, .brand-word__light { display: none; }
.brand-word { display: block; line-height: 0; }
.brand-word img { height: 40px; width: auto; }
.site-header[data-mode="transparent"] .brand-mark { box-shadow: none; }
.site-header[data-mode="transparent"] .brand-mark__light, .site-header[data-mode="transparent"] .brand-word__dark { display: none; }
.site-header[data-mode="transparent"] .brand-mark__dark, .site-header[data-mode="transparent"] .brand-word__light { display: block; }
.site-footer .brand-mark { height: 52px; } .site-footer .brand-mark img { height: 52px; }
.site-footer .brand-mark__light, .site-footer .brand-word__dark { display: none; }
.site-footer .brand-mark__dark, .site-footer .brand-word__light { display: block; }
.site-footer .brand-word img { height: 46px; }
.mobile-menu .brand-mark__light { display: none; }
@media (max-width: 560px) { .brand-mark, .brand-mark img { height: 36px; width: auto; } .brand-word img { height: 32px; } }

/* ---- 品牌标识终版：官方图形 + 排版字标（宝业 BAOYE + 副标题） ---- */
.brand { gap: 13px; align-items: center; }
.brand-word { display: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1; gap: 5px; }
.b-line { display: inline-flex; align-items: baseline; gap: 9px; white-space: nowrap; }
.b-cn { font-family: "Noto Sans SC", "PingFang SC", sans-serif; font-weight: 500; font-size: 1.12rem; letter-spacing: .3em; margin-right: -.3em; color: var(--ink); }
.b-en { font-family: var(--font-display); font-weight: 600; font-size: .98rem; letter-spacing: .12em; color: var(--ink); }
.brand-text .b-sub { display: block; font-size: .6rem; letter-spacing: .16em; text-transform: uppercase; color: var(--steel); margin-top: 0; white-space: nowrap; }
html[lang="zh"] .brand-text .b-sub { letter-spacing: .22em; }
html[lang="zh"] .brand-text .b-en { font-family: var(--font-display); letter-spacing: .12em; font-weight: 600; }
.site-header[data-mode="transparent"] .b-cn, .site-header[data-mode="transparent"] .b-en { color: #fff; }
.site-header[data-mode="transparent"] .brand-text .b-sub { color: rgba(255,255,255,.72); }
.site-footer .b-cn, .site-footer .b-en { color: #fff; }
.site-footer .brand-text .b-sub { color: rgba(255,255,255,.55); }
.site-footer .brand-text { gap: 6px; }
@media (max-width: 1320px) and (min-width: 861px) { .brand-text .b-sub { display: none; } }
@media (max-width: 520px) { .brand-text .b-sub { display: none; } .b-cn { font-size: 1rem; } .b-en { font-size: .88rem; } }

/* ---- 品牌锁定终版：图形 | 宝业 / BAOYE CURTAIN WALL · BUILDING MATERIALS ---- */
.brand { gap: 0; }
.brand-mark, .brand-mark img { height: 40px; }
.brand-text { margin-left: 14px; padding-left: 14px; border-left: 1px solid rgba(11,12,14,.14); gap: 4px; justify-content: center; min-height: 40px; }
.b-line { display: contents; }
.brand .brand-text .b-cn { font-family: "Noto Sans SC", "PingFang SC", sans-serif; font-weight: 500; font-size: 1.08rem; letter-spacing: .14em; line-height: 1; color: var(--ink); margin: 0; }
.brand .brand-text .b-en, html[lang="zh"] .brand .brand-text .b-en { font-family: var(--font-body); font-weight: 500; font-size: .58rem; letter-spacing: .14em; text-transform: uppercase; line-height: 1; color: var(--steel); white-space: nowrap; }
.brand-text .b-sub { display: none; }
.site-header[data-mode="transparent"] .brand-text { border-left-color: rgba(255,255,255,.3); }
.site-header[data-mode="transparent"] .brand .brand-text .b-cn { color: #fff; }
.site-header[data-mode="transparent"] .brand .brand-text .b-en { color: rgba(255,255,255,.75); }
.site-footer .brand-text { border-left-color: rgba(255,255,255,.22); }
.site-footer .brand .brand-text .b-cn { color: #fff; }
.site-footer .brand .brand-text .b-en { color: rgba(255,255,255,.6); }
.site-footer .brand-mark, .site-footer .brand-mark img { height: 46px; }
@media (max-width: 1320px) and (min-width: 861px) { .brand .brand-text .b-en { display: none; } .brand-text { gap: 0; } }
@media (max-width: 520px) { .brand .brand-text .b-en { display: none; } .brand-mark, .brand-mark img { height: 34px; } .brand-text { margin-left: 10px; padding-left: 10px; min-height: 34px; } .brand .brand-text .b-cn { font-size: 1rem; } }

/* ---- 品牌锁定 v3：宝业 BAOYE / CURTAIN WALL · BUILDING MATERIALS，固定宽度不被导航挤压 ---- */
.site-header .brand, .site-footer .brand { flex: none; }
.brand .brand-text { display: flex; flex-direction: column; gap: 5px; justify-content: center; min-height: 40px; margin-left: 14px; padding-left: 14px; border-left: 1px solid rgba(11,12,14,.14); }
.brand .brand-text .b-line { display: inline-flex; align-items: baseline; gap: 8px; }
.brand .brand-text .b-cn { font-family: "Noto Sans SC", "PingFang SC", sans-serif; font-weight: 500; font-size: 1.08rem; letter-spacing: .12em; line-height: 1; color: var(--ink); }
.brand .brand-text .b-en, html[lang="zh"] .brand .brand-text .b-en { display: inline; font-family: var(--font-display); font-weight: 500; font-size: .74rem; letter-spacing: .16em; line-height: 1; color: var(--ink); text-transform: none; white-space: nowrap; }
.brand .brand-text .b-sub, html[lang="zh"] .brand .brand-text .b-sub { display: block; font-family: var(--font-body); font-weight: 500; font-size: .56rem; letter-spacing: .15em; text-transform: uppercase; line-height: 1; color: var(--steel); white-space: nowrap; margin: 0; }
.site-header[data-mode="transparent"] .brand .brand-text .b-cn, .site-header[data-mode="transparent"] .brand .brand-text .b-en { color: #fff; }
.site-header[data-mode="transparent"] .brand .brand-text .b-sub { color: rgba(255,255,255,.72); }
.site-footer .brand .brand-text .b-cn, .site-footer .brand .brand-text .b-en { color: #fff; }
.site-footer .brand .brand-text .b-sub { color: rgba(255,255,255,.58); }

@media (max-width: 520px) { .brand .brand-text .b-sub { display: none; } .brand .brand-text { gap: 0; } }

/* ---- 品牌锁定 v4：图形 | BAOYE ---- */
.brand .brand-text { min-height: 0; gap: 0; }
.brand .brand-text .b-en, html[lang="zh"] .brand .brand-text .b-en { display: inline-block; font-family: var(--font-display); font-weight: 600; font-size: 1.12rem; letter-spacing: .2em; margin-right: -.2em; line-height: 1; color: var(--ink); }
.site-header[data-mode="transparent"] .brand .brand-text .b-en { color: #fff; }
.site-footer .brand .brand-text .b-en { color: #fff; font-size: 1.2rem; }
@media (max-width: 520px) { .brand .brand-text .b-en { font-size: 1rem; } }

/* ---- 品牌锁定 v5：图形 | BAOYE / CURTAIN WALL · BUILDING MATERIALS ---- */
.brand .brand-text { display: flex; flex-direction: column; justify-content: center; gap: 5px; min-height: 40px; }
.brand .brand-text .b-en, html[lang="zh"] .brand .brand-text .b-en { font-size: 1.02rem; letter-spacing: .18em; margin-right: -.18em; }
.brand .brand-text .b-sub, html[lang="zh"] .brand .brand-text .b-sub { display: block; font-family: var(--font-body); font-weight: 500; font-size: .55rem; letter-spacing: .14em; text-transform: uppercase; line-height: 1; color: var(--steel); white-space: nowrap; margin: 0; }
.site-header[data-mode="transparent"] .brand .brand-text .b-sub { color: rgba(255,255,255,.72); }
.site-footer .brand .brand-text .b-sub { color: rgba(255,255,255,.58); }
.site-footer .brand .brand-text .b-en { font-size: 1.1rem; }

@media (max-width: 520px) { .brand .brand-text .b-sub { display: none; } .brand .brand-text { gap: 0; } }

/* sub-line stays at every desktop width; only phones drop it */
@media (max-width: 1240px) and (min-width: 861px) { .site-header .brand .brand-text .b-sub { display: block; font-size: .5rem; } .site-header .brand .brand-text { gap: 4px; } .site-header .brand .brand-text .b-en { font-size: .92rem; } .nav { gap: 14px; } .nav-list { gap: 12px; } }

/* ---- 装配式建筑页 prefab.html ---- */
.split__media .tag-render { position: absolute; top: 14px; left: 14px; margin: 0; background: rgba(11,12,14,.45); z-index: 3; }
.figures-note { margin-top: 18px; font-size: .8rem; line-height: 1.7; color: var(--steel); max-width: 92ch; }
.pf-cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--mist); border: 1px solid var(--mist); }
.pf-case { background: var(--paper); padding: clamp(24px,3vw,36px); display: flex; flex-direction: column; gap: 10px; }
.pf-case__loc { font-family: var(--font-display); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
html[lang="zh"] .pf-case__loc { font-family: var(--font-cn); letter-spacing: .06em; }
.pf-case h3 { font-size: 1.15rem; }
.pf-case p { font-size: .9rem; color: var(--steel); line-height: 1.7; }
.pf-sources { border-top: 1px solid var(--mist); padding-top: 22px; }
.pf-sources summary { cursor: pointer; font-family: var(--font-display); font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--steel); list-style: none; display: flex; align-items: center; gap: 10px; }
.pf-sources summary::-webkit-details-marker { display: none; }
.pf-sources summary::before { content: "+"; font-size: 1rem; color: var(--accent); width: 14px; }
.pf-sources[open] summary::before { content: "−"; }
html[lang="zh"] .pf-sources summary { font-family: var(--font-cn); letter-spacing: .06em; }
.pf-sources p { margin-top: 16px; font-size: .85rem; color: var(--carbon); max-width: 92ch; line-height: 1.7; }
.pf-sources ul { margin-top: 12px; display: grid; gap: 6px; }
.pf-sources li { font-size: .82rem; color: var(--steel); }
.pf-sources li a { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--mist); }
.pf-sources li a:hover { color: var(--ink); text-decoration-color: var(--accent); }
.honor-list li > span > b { display: block; margin-bottom: 4px; color: var(--ink); }
@media (max-width: 900px) { .pf-cases { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .pf-cases { grid-template-columns: 1fr; } }

/* ============================================================
   2026-09-27 · 案例详情：分行排版 + 等高行相册
   ============================================================ */
.spec-list { display: grid; margin: 0; font-size: 1rem; }
.spec-list > div { display: grid; grid-template-columns: 7em 1fr; gap: 24px; padding: 14px 0; border-top: 1px solid var(--mist); }
.spec-list > div:first-child { border-top: 0; padding-top: 2px; }
.spec-list dt { font-family: var(--font-display); font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--steel); padding-top: .3em; }
.spec-list dd { margin: 0; color: var(--carbon); line-height: 1.8; }
html:not([lang="zh"]) .spec-list > div { grid-template-columns: 10em 1fr; }
html[lang="zh"] .spec-list dt { letter-spacing: .12em; font-family: var(--font-cn); }
.num-list { list-style: none; display: grid; gap: 14px; margin: 0; padding: 0; font-size: 1rem; counter-reset: n; }
.num-list li { counter-increment: n; display: grid; grid-template-columns: 2.4em 1fr; color: var(--carbon); line-height: 1.8; }
.num-list li::before { content: counter(n, decimal-leading-zero); font-family: var(--font-display); font-size: .8rem; color: var(--accent); padding-top: .35em; }
@media (max-width: 640px) { .spec-list > div, html:not([lang="zh"]) .spec-list > div { grid-template-columns: 1fr; gap: 2px; } }

.jg { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.jg__item { position: relative; overflow: hidden; background: var(--mist); flex: none; max-width: 100%; }
.jg__item img { width: 100%; height: 100%; object-fit: cover; display: block; cursor: zoom-in; transition: transform .8s var(--ease), opacity .3s; }
.jg__item:hover img { transform: scale(1.02); }
@media print { .jg__item { break-inside: avoid; } }

/* ============================================================
   2026-09-27 · 字体本地化：英文/阿拉伯文自托管，中文用系统字体（国内无外部字体请求）
   ============================================================ */
:root {
  --font-cn-sys: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", "WenQuanYi Micro Hei", sans-serif;
  --font-display: "Space Grotesk", var(--font-cn-sys);
  --font-body:    "Inter", var(--font-cn-sys);
  --font-cn:      "Inter", var(--font-cn-sys);
}
html[lang="zh"] { --font-cn-serif: var(--font-cn-sys); }
html[lang="ar"] body { font-family: "Noto Sans Arabic", "Inter", "Geeza Pro", "Segoe UI", sans-serif; }

/* ============================================================
   耐胜门窗页 · Product Studio 视觉（暖白 / 墨绿 / 系列数字）— 仅作用于 body.studio-page
   ============================================================ */
body.studio-page {
  --ns-bone: #F1F0EB; --ns-panel: #F8F7F3; --ns-line: #E2E0D8; --ns-line2: #CFCDC4;
  --ns-ink: #1E2A25; --ns-ink2: #3A433F; --ns-mute: #7C817D; --ns-green: #3B5A49; --ns-green-soft: #E6ECE6;
  /* re-tint the site tokens so the existing sections (system vs ordinary, six aspects, crafts, materials, range) follow the studio palette */
  --ink: #1E2A25; --carbon: #3A433F; --steel: #7C817D; --mist: #E2E0D8; --fog: #F8F7F3; --paper: #F8F7F3; --silver: #B9BAB2;
  --accent: #3B5A49; --accent-soft: #6B8A78; --accent-line: rgba(59, 90, 73, .16);
  background: var(--ns-bone);
}
.studio-page .section, .studio-page .section--tight { background: transparent; }
.ns-lbl { display: block; font-family: "Inter", var(--font-cn-sys); font-size: .68rem; font-weight: 500; letter-spacing: .24em; text-transform: uppercase; color: var(--ns-mute); margin-top: 10px; }
html[lang="zh"] .ns-lbl { letter-spacing: .2em; }
.ns-hero { padding-top: calc(var(--header-h) + 22px); }
.ns-hero .breadcrumb { color: var(--ns-mute); opacity: 1; }
.ns-top { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; padding: 26px 0 28px; border-bottom: 1px solid var(--ns-line); }
.ns-word { font-family: "Inter", sans-serif; font-weight: 600; font-size: clamp(1.7rem, 3vw, 2.3rem); letter-spacing: .34em; line-height: 1; color: var(--ns-ink); }
.ns-top__r { text-align: right; margin: 0; }
.ns-title { font-weight: 500; font-size: clamp(1.9rem, 3.6vw, 3rem); line-height: 1.18; letter-spacing: -.01em; color: var(--ns-ink); max-width: 22ch; margin-top: 44px; text-wrap: balance; }
html[lang="zh"] .ns-title { max-width: 16em; letter-spacing: .02em; font-weight: 500; }
.ns-lead { color: var(--ns-ink2); max-width: 62ch; margin-top: 18px; font-size: 1.05rem; line-height: 1.75; }
.ns-strip { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 48px; border-top: 1px solid var(--ns-line); }
.ns-sr { display: flex; align-items: center; gap: 16px; padding: 24px 0 21px; text-align: left; border-bottom: 3px solid transparent; transition: border-color .3s; }
.ns-sr__no { font-family: "Inter", sans-serif; font-weight: 300; font-size: clamp(2rem, 3.4vw, 2.9rem); line-height: 1; letter-spacing: -.02em; font-variant-numeric: tabular-nums; color: var(--ns-ink); transition: color .3s; }
.ns-sr__t b { display: block; font-weight: 500; font-size: .98rem; color: var(--ns-ink); }
.ns-sr__t i { display: block; font-style: normal; font-family: "Inter", sans-serif; font-size: .62rem; letter-spacing: .2em; color: var(--ns-mute); margin-top: 4px; }
.ns-sr.is-on { border-bottom-color: var(--ns-green); }
.ns-sr.is-on .ns-sr__no, .ns-sr:hover .ns-sr__no { color: var(--ns-green); }
.ns-ex { display: grid; grid-template-columns: 1.3fr 1fr; border-top: 1px solid var(--ns-line); border-bottom: 1px solid var(--ns-line); }
.ns-stage { position: relative; background: var(--ns-bone); min-height: 600px; display: grid; place-items: center; padding: 36px 24px 76px; overflow: hidden; }
.ns-shot { display: none; width: auto; max-width: 100%; max-height: 640px; }
.ns-shot.is-on { display: block; animation: nsIn .6s var(--ease); }
.ns-views { position: absolute; left: 24px; bottom: 22px; display: flex; gap: 6px; }
.ns-views button { font-size: .8rem; padding: 7px 14px; border: 1px solid var(--ns-line2); border-radius: 5px; background: rgba(255, 255, 255, .6); color: var(--ns-ink2); }
.ns-views button.is-on { background: var(--ns-ink); border-color: var(--ns-ink); color: #fff; }
.ns-stage__cap { position: absolute; right: 24px; bottom: 30px; margin: 0; }
.ns-panel { background: var(--ns-panel); border-left: 1px solid var(--ns-line); padding: 40px clamp(20px, 3vw, 48px) 44px; }
.ns-pane { display: none; }
.ns-pane.is-on { display: block; animation: nsIn .5s var(--ease); }
@keyframes nsIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.ns-pane__head { display: flex; gap: 24px; align-items: flex-start; }
.ns-bigno { font-family: "Inter", sans-serif; font-weight: 300; font-size: clamp(3.6rem, 6vw, 5.2rem); line-height: .9; letter-spacing: -.03em; color: var(--ns-green); font-variant-numeric: tabular-nums; }
.ns-pane__head .ns-lbl { margin-top: 12px; }
.ns-tag { margin-top: 8px; color: var(--ns-ink2); font-size: 1rem; line-height: 1.6; }
.ns-facts { margin: 30px 0 0; }
.ns-facts > div { display: grid; grid-template-columns: 7.5em 1fr; gap: 16px; padding: 14px 0; border-top: 1px solid var(--ns-line); font-size: .95rem; }
.ns-facts > div:last-child { border-bottom: 1px solid var(--ns-line); }
html:not([lang="zh"]) .ns-facts > div { grid-template-columns: 9.5em 1fr; }
.ns-facts dt { color: var(--ns-mute); }
.ns-facts dd { margin: 0; color: var(--ns-ink); font-variant-numeric: tabular-nums; }
.ns-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.ns-btn { display: inline-flex; align-items: center; padding: 14px 22px; border: 1px solid var(--ns-line2); border-radius: 6px; background: #fff; color: var(--ns-ink); font-size: .92rem; font-weight: 500; transition: background .25s, color .25s, border-color .25s; }
.ns-btn:hover { border-color: var(--ns-ink); }
.ns-btn--ink { background: var(--ns-ink); border-color: var(--ns-ink); color: #fff; }
.ns-btn--ink:hover { background: var(--ns-green); border-color: var(--ns-green); }
.ns-btn--light { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .45); color: #fff; }
.ns-btn--light:hover { background: #fff; color: var(--ns-ink); }
.ns-room { background: var(--ns-ink); color: #fff; padding-block: clamp(64px, 8vw, 110px); }
.ns-room__inner { display: grid; grid-template-columns: 1fr 1.35fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
.ns-room .ns-lbl { color: rgba(255, 255, 255, .55); }
.ns-h2 { font-size: clamp(1.6rem, 2.8vw, 2.3rem); font-weight: 500; line-height: 1.25; margin-top: 14px; color: #fff; text-wrap: balance; }
.ns-p { color: rgba(255, 255, 255, .72); margin: 16px 0 26px; max-width: 46ch; line-height: 1.75; }
.ns-room .ns-btn--ink { background: #fff; border-color: #fff; color: var(--ns-ink); }
.ns-room .ns-btn--ink:hover { background: var(--ns-green-soft); border-color: var(--ns-green-soft); }
.ns-note { display: block; margin-top: 14px; font-size: .8rem; color: rgba(255, 255, 255, .5); }
.ns-room__art { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.ns-room__t { display: flex; flex-direction: column; background: var(--ns-bone); border-radius: 6px; overflow: hidden; transition: transform .4s var(--ease); }
.ns-room__t:hover { transform: translateY(-4px); }
.ns-room__t img { width: 100%; aspect-ratio: 4 / 5; object-fit: contain; background: var(--ns-bone); }
.ns-room__t span { display: flex; align-items: baseline; gap: 8px; padding: 10px 12px 12px; font-size: .82rem; color: var(--ns-ink); }
.ns-room__t b { font-family: "Inter", sans-serif; font-weight: 400; font-size: 1.1rem; color: var(--ns-green); }
.ns-inuse { position: relative; color: #fff; }
.ns-inuse img { display: block; width: 100%; aspect-ratio: 16 / 7; object-fit: cover; }
.ns-inuse::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(20, 24, 22, .72), rgba(20, 24, 22, 0) 55%); pointer-events: none; }
.ns-inuse__cap { position: absolute; left: 0; right: 0; bottom: clamp(24px, 4vw, 48px); z-index: 1; display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.ns-inuse__cap .ns-lbl { color: rgba(255, 255, 255, .7); }
.ns-inuse__cap p { font-size: 1.15rem; font-weight: 500; }
html[dir="rtl"] .ns-top__r { text-align: left; } html[dir="rtl"] .ns-sr { text-align: right; }
@media (max-width: 1024px) {
  .ns-ex { grid-template-columns: 1fr; }
  .ns-panel { border-left: 0; border-top: 1px solid var(--ns-line); }
  .ns-room__inner { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .ns-top { flex-direction: column; align-items: flex-start; }
  .ns-top__r { text-align: left; }
  .ns-strip { display: flex; gap: 26px; overflow-x: auto; scrollbar-width: none; }
  .ns-strip::-webkit-scrollbar { display: none; }
  .ns-sr { flex: none; }
  .ns-stage { min-height: 440px; padding-bottom: 70px; }
  .ns-shot { max-height: 440px; }
  .ns-stage__cap { display: none; }
  .ns-room__art { grid-template-columns: repeat(2, 1fr); }
  .ns-facts > div, html:not([lang="zh"]) .ns-facts > div { grid-template-columns: 1fr; gap: 2px; }
  .ns-inuse img { aspect-ratio: 4 / 3; }
}
@media (prefers-reduced-motion: reduce) { .ns-shot.is-on, .ns-pane.is-on { animation: none; } }
/* renders (v2) are framed with room for the contact shadow, so no edge mask is needed */
/* English: the capitals caption under each series name repeats the name */
html[lang="en"] .ns-sr__t i { display: none; }
/* 系统详情页页头：左文字 + 右产品图（渲染图 / 材料特写 / 立面图），与耐胜页同一暖白底 */
.page-hero--product { color: var(--ink); background: var(--ns-bone, #F1F0EB); padding-top: calc(var(--header-h) + 28px); padding-bottom: 24px; }
.page-hero--product .breadcrumb { color: var(--steel); opacity: 1; }
.page-hero--product .lead { color: var(--carbon); }
.sys-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.sys-hero__fig { margin: 0; display: grid; place-items: center; min-height: 420px; }
.sys-hero__fig img { opacity: 0; transition: opacity .5s var(--ease); max-width: 100%; }
.sys-hero__fig img.is-in { opacity: 1; }
.sys-hero__fig--render img { max-height: 560px; width: auto; }

.sys-hero__fig--photo img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.sys-hero__fig--svg img { width: min(100%, 360px); height: auto; }
@media (max-width: 860px) {
  .sys-hero { grid-template-columns: 1fr; }
  .sys-hero__fig { min-height: 0; }
  .sys-hero__fig--render img { max-height: 400px; }
}
.ns-strip { scroll-margin-top: 96px; }
/* 耐胜页重组（2026-09-28）：窗型角标、折叠细节、工艺与材料合并、技术参数链接、项目实景 */
.wtype__fig { position: relative; }
.wtype__tag { position: absolute; top: 10px; left: 10px; font-family: "Inter", var(--font-cn-sys); font-size: .68rem; font-weight: 600; letter-spacing: .08em; color: var(--accent); background: var(--paper); border: 1px solid var(--accent-line); padding: 3px 8px; border-radius: 2px; }
.wtype__tag--mute { color: var(--steel); border-color: var(--mist); font-weight: 500; letter-spacing: .02em; }
details.more { margin-top: 10px; }
details.more > summary { cursor: pointer; list-style: none; display: inline-flex; align-items: center; gap: 6px; font-size: .82rem; color: var(--accent); user-select: none; }
details.more > summary::-webkit-details-marker { display: none; }
details.more > summary::after { content: "+"; font-size: 1rem; line-height: 1; transition: transform .25s var(--ease); }
details.more[open] > summary::after { transform: rotate(45deg); }
details.more > ul { margin-top: 12px; }
#why .compare h3 { margin-bottom: 4px; }
.why-gap { height: clamp(24px, 3vw, 40px); }
.sub-lbl { display: block; font-family: "Inter", var(--font-cn-sys); font-size: .72rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--steel); margin-bottom: 18px; }
.sub-lead { color: var(--carbon); max-width: 62ch; margin: -6px 0 26px; }
.make-mats { margin-top: clamp(48px, 6vw, 80px); padding-top: clamp(32px, 4vw, 48px); border-top: 1px solid var(--mist); }
.spec-links { margin-top: clamp(40px, 5vw, 64px); padding-top: 28px; border-top: 1px solid var(--mist); }
.spec-links nav { display: flex; flex-wrap: wrap; gap: 10px; }
.spec-links nav a { font-size: .9rem; padding: 9px 16px; border: 1px solid var(--mist); background: var(--paper); color: var(--ink); transition: border-color .25s, color .25s; }
.spec-links nav a:hover { border-color: var(--accent); color: var(--accent); }
#in-use .sec-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; }
.ns-cta { margin-top: clamp(32px, 4vw, 48px); text-align: center; }
#neisen-projects { grid-template-columns: repeat(3, minmax(0, 1fr)); }
#neisen-projects .proj-card { grid-column: auto !important; }
@media (max-width: 900px) { #neisen-projects { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.compare__col--neisen details.more > summary { color: var(--accent-soft); }
/* 联系表单：自绘上传框 */
.field input[type="file"].file-native { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.file-drop { display: flex; align-items: center; gap: 12px; padding: 16px 18px; border: 1px dashed var(--silver); background: var(--fog); cursor: pointer; transition: border-color .2s, background .2s; }
.file-drop:hover, .file-drop.is-over { border-color: var(--accent); background: #fff; }
.file-drop svg { width: 18px; height: 18px; color: var(--accent); flex: none; }
.file-drop__btn { font-size: .9rem; font-weight: 500; color: var(--ink); }
.file-drop__hint { font-size: .84rem; color: var(--steel); }
.field input[type="file"].file-native:focus-visible + .file-drop { outline: 2px solid var(--accent); outline-offset: 2px; }
.field label.file-drop { text-transform: none; letter-spacing: 0; font-family: inherit; font-size: inherit; color: inherit; }
/* 荣誉页：证书与奖杯原件默认折叠，只留文字清单 */
.cert-fold > summary { cursor: pointer; list-style: none; display: inline-flex; align-items: center; gap: 10px; padding: 12px 18px; border: 1px solid var(--mist); background: var(--paper); font-size: .9rem; color: var(--ink); transition: border-color .25s, color .25s; }
.cert-fold > summary::-webkit-details-marker { display: none; }
.cert-fold > summary::after { content: "+"; font-size: 1.1rem; line-height: 1; color: var(--accent); transition: transform .25s var(--ease); }
.cert-fold > summary:hover { border-color: var(--accent); color: var(--accent); }
.cert-fold[open] > summary::after { transform: rotate(45deg); }
.cert-fold[open] > .cert-photos { margin-top: 24px; }
/* 中文标题只在空格与标点处换行，避免「智 / 造」「印 / 尼」这类拆词；放不下的长词才强制断开 */
.nw { white-space: nowrap; }   /* 中文短语单元（main.js cjkWrap），单元之间正常换行 */
/* 段落避免最后一行只剩一两个字 */
html[lang="zh"] p, html[lang="zh"] .lead, html[lang="zh"] li { text-wrap: pretty; }
/* 荣誉清单：✦ 换成与全站一致的小方点 */
.honor-list li::before { content: ""; width: 5px; height: 5px; background: var(--accent); margin-top: .72em; }
/* 手机：中文模式下 Logo 小字也要隐藏（原先被 html[lang="zh"] 规则顶掉，页头撑到 471px、菜单按钮跑出屏幕） */
@media (max-width: 520px) { html .brand .brand-text .b-sub, html[lang="zh"] .brand .brand-text .b-sub { display: none; } }
/* 手机菜单二级项：短横线后紧跟文字、靠左 */
.mobile-menu .mobile-sub a { justify-content: flex-start; }
/* 产品页 · 耐胜系列卡片（与耐胜页同名同图） */
.series-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(12px, 1.6vw, 20px); }
.series-card { display: block; background: #F1F0EB; border: 1px solid transparent; transition: border-color .3s, transform .4s var(--ease); }
.series-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.series-card__fig { aspect-ratio: 4 / 5; display: grid; place-items: center; padding: 8% 8% 0; overflow: hidden; }
.series-card__fig img { max-width: 100%; max-height: 100%; object-fit: contain; }
.series-card__body { display: flex; align-items: baseline; gap: 12px; padding: 14px 18px 18px; }
.series-card__no { font-family: "Inter", sans-serif; font-weight: 300; font-size: 1.8rem; line-height: 1; color: var(--ink); font-variant-numeric: tabular-nums; }
.series-card__name { font-size: .92rem; font-weight: 500; color: var(--ink); }
#windows .spec-links { margin-top: clamp(24px, 3vw, 36px); }
@media (max-width: 860px) { .series-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 860px) { .series-card__body { flex-direction: column; align-items: flex-start; gap: 4px; padding: 10px 14px 14px; } .series-card__no { font-size: 1.5rem; } .series-card__name { font-size: .84rem; } }
/* 中文界面 Logo 小字「幕墙 · 建材」：中文比英文小型大写字号大一些，字距放宽 */
html[lang="zh"] .brand .brand-text .b-sub { font-family: var(--font-cn-sys, var(--font-cn)); font-size: .72rem; letter-spacing: .42em; text-transform: none; font-weight: 500; }
/* 页脚 Logo 字标：中文模式下被 html[lang="zh"] 规则压成深色（深底看不见），强制白色 */
html .site-footer .brand .brand-text .b-en, html[lang="zh"] .site-footer .brand .brand-text .b-en { color: #fff; }
html[lang="zh"] .site-footer .brand .brand-text .b-sub { color: rgba(255,255,255,.58); }
/* 一站式服务 · 生产基地配图：统一 4:3 的 2×2 网格（原瀑布流大小不一） */
.shots2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 0 0 18px; }
.shots2 img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; }
/* 耐胜页展厅入口小卡：系列号在上、名称在下，避免名称被挤成两行 */
.ns-room__t > span { flex-direction: column; align-items: flex-start; gap: 3px; }
.ns-room__t > span > span { display: block; padding: 0; font-size: .8rem; line-height: 1.35; }
/* 下拉框：去掉 Safari 原生样式，与输入框同高同边框，自绘箭头 */
.field select { -webkit-appearance: none; appearance: none; background-color: var(--paper); padding-right: 40px; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%237C817D' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center; background-size: 12px 8px; }
.field select:invalid, .field select option[value=""] { color: var(--steel); }
/* 手机页脚：品牌区独占一行，链接两列 */
@media (max-width: 860px) { .footer-top > .footer-brand { grid-column: 1 / -1; } .footer-brand p { max-width: 34ch; } }
@media (max-width: 560px) { #neisen-projects { grid-template-columns: 1fr; } }
/* ===== 首页首屏 · 苹果官网风格（hero--apple）：浅色画面、居中大标题、无暗色遮罩、胶囊按钮、磨砂导航 ===== */
.hero--apple { color: #1d1d1f; align-items: flex-start; background: #eef2f6; isolation: isolate; }
.hero--apple .hero__media::after { background: linear-gradient(180deg, rgba(245,247,250,.62) 0%, rgba(245,247,250,.22) 34%, rgba(245,247,250,0) 52%); }
.hero--apple .hero__media img { object-position: 50% 80%; filter: none; animation: appleZoom 2.6s cubic-bezier(.2,.7,.2,1) both; }
@keyframes appleZoom { from { transform: scale(1.07); opacity: .001; } 30% { opacity: 1; } to { transform: scale(1); opacity: 1; } }
.hero--apple .hero__inner { position: absolute; inset: 0 0 auto 0; padding-top: calc(var(--header-h) + clamp(36px, 8vh, 104px)); padding-bottom: 0; display: flex; flex-direction: column; align-items: center; text-align: center; }
.hero--apple h1 { color: #1d1d1f; margin: 0 auto; max-width: 17ch; font-size: clamp(2.3rem, 5vw, 4.5rem); font-weight: 600; letter-spacing: -.02em; line-height: 1.07; }
html[lang="zh"] .hero--apple h1 { max-width: 13em; font-size: clamp(2.1rem, 4.3vw, 3.9rem); letter-spacing: .02em; line-height: 1.22; }
.hero--apple .lead { color: #424245; margin: 18px auto 0; max-width: 44em; font-size: clamp(1rem, 1.3vw, 1.22rem); line-height: 1.6; }
html[lang="zh"] .hero--apple .lead { max-width: 34em; }
.hero--apple .hero__cta { justify-content: center; gap: 14px; margin-top: 30px; }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 12px 26px; border-radius: 980px; font-size: 1rem; font-weight: 500; letter-spacing: 0; line-height: 1.2; border: 1px solid transparent; transition: background .25s, color .25s, border-color .25s, transform .25s; }
.pill svg { width: 14px; height: 14px; }
.pill--solid { background: var(--accent); color: #fff; }
.pill--solid:hover { background: #1f3b56; }
.pill--ghost { color: var(--accent); border-color: rgba(42,77,110,.55); background: rgba(255,255,255,.45); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.pill--ghost:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.hero--apple .hero__caption { text-shadow: 0 1px 8px rgba(0,0,0,.35); }
body.apple-home .site-header[data-mode="solid"] { background: rgba(251,251,253,.72); -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px); box-shadow: 0 1px 0 rgba(0,0,0,.06); }
@media (max-width: 860px) {
  .hero--apple .hero__inner { padding-top: calc(var(--header-h) + 40px); }
  .hero--apple .hero__media img { object-position: 50% 100%; }
  .hero--apple .lead { font-size: .98rem; }
  .pill { padding: 11px 22px; font-size: .95rem; }
}
@media (prefers-reduced-motion: reduce) { .hero--apple .hero__media img { animation: none; } }
/* hero--apple v2：图片贴底、上沿渐隐进天空同色背景，给标题留出更多天空；柔光铺满整屏 */
.hero--apple { background: #7ca0bc; }
.hero--apple .hero__media { inset: auto 0 0 0; height: 86%; }
.hero--apple .hero__media img { object-position: 50% 100%; -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 16%); mask-image: linear-gradient(to bottom, transparent 0, #000 16%); }
.hero--apple .hero__media::after { display: none; }
.hero--apple::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: linear-gradient(180deg, rgba(245,247,250,.66) 0%, rgba(245,247,250,.3) 32%, rgba(245,247,250,0) 56%); }
.hero--apple h1 { max-width: 22ch; font-size: clamp(2.2rem, 4.4vw, 4rem); }
@media (max-width: 860px) { .hero--apple .hero__media { height: 62%; } .hero--apple h1 { max-width: 15ch; } }
html:not([lang="zh"]) .hero--apple h1 { max-width: 26ch; } @media (max-width: 860px) { html:not([lang="zh"]) .hero--apple h1 { max-width: 15ch; } }
html[lang="zh"] .hero--apple .lead { text-wrap: balance; }
/* hero--apple v3：用苹果系统字体（苹果设备 SF Pro + 苹方，其它系统 Inter + 雅黑）；中文标点压缩；说明文字限宽平衡 */
.hero--apple h1, .hero--apple .lead, .hero--apple .pill { font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", "PingFang SC", "Microsoft YaHei", sans-serif; }
.hero--apple h1 { font-weight: 600; letter-spacing: -.028em; line-height: 1.05; font-size: clamp(2.4rem, 5.2vw, 4.8rem); max-width: 20ch; }
html:not([lang="zh"]) .hero--apple h1 { max-width: 20ch; }
html[lang="zh"] .hero--apple h1 { font-weight: 600; letter-spacing: -.01em; line-height: 1.16; font-size: clamp(2.2rem, 4.6vw, 4.3rem); max-width: 14em; font-feature-settings: "palt" 1; }
.hero--apple .lead { color: #1d1d1f; opacity: .78; font-weight: 400; letter-spacing: -.005em; font-size: clamp(1.05rem, 1.55vw, 1.42rem); line-height: 1.45; max-width: 30em; text-wrap: balance; margin-top: 16px; }
html[lang="zh"] .hero--apple .lead { letter-spacing: .01em; max-width: 22em; font-feature-settings: "palt" 1; }
.hero--apple .pill { font-weight: 500; letter-spacing: 0; font-size: 1.02rem; }
html[lang="zh"] .hero--apple .pill { letter-spacing: .02em; }
.hero--apple .hero__cta { margin-top: 28px; }
@media (max-width: 860px) { .hero--apple h1 { font-size: clamp(2.1rem, 9vw, 2.9rem); } html[lang="zh"] .hero--apple h1 { font-size: clamp(2rem, 8.4vw, 2.7rem); } .hero--apple .lead { font-size: 1rem; } }
/* 中文导航字距收紧（原 .12em 偏松、显老） */
html[lang="zh"] .nav-link, html[lang="zh"] .nav-sub__link { letter-spacing: .04em; }
html[lang="zh"] .punc { letter-spacing: -.28em; }   /* 标题中句中标点收半宽 */
html[lang="zh"] .hero--apple .lead { max-width: 30em; }
html:not([lang="zh"]) .hero--apple .lead { max-width: 48em; }   /* 英文副标题电脑上一行 */

/* ===== 全站字体统一为苹果系统字体（与首页首屏一致）：苹果设备 SF Pro + 苹方，其它系统 Inter + 雅黑 ===== */
:root {
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-cn: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
h1, h2, h3, h4 { letter-spacing: -0.022em; }
html[lang="zh"] h1, html[lang="zh"] h2, html[lang="zh"] h3 { letter-spacing: 0; font-feature-settings: "palt" 1; }
/* Logo 字标保留品牌字体 */
.brand .brand-text .b-en, html[lang="zh"] .brand .brand-text .b-en { font-family: "Space Grotesk", "Inter", sans-serif; }
/* 中文小标签与按钮字距收紧（原 .3em / .14em 偏松、显老） */
html[lang="zh"] .eyebrow, html[lang="zh"] .svc__tag, html[lang="zh"] .branch__kicker, html[lang="zh"] .news-card__meta,
html[lang="zh"] .filter-group__label, html[lang="zh"] .stat__label, html[lang="zh"] .footer-col h4, html[lang="zh"] .detail-meta__item h4,
html[lang="zh"] .branch__block h4, html[lang="zh"] .honor__num small, html[lang="zh"] .proj-nav__kicker, html[lang="zh"] .facts h4,
html[lang="zh"] .spec-h, html[lang="zh"] .sub-lbl, html[lang="zh"] .ns-lbl { letter-spacing: .12em; }
html[lang="zh"] .btn, html[lang="zh"] .filter-btn, html[lang="zh"] .lang-select__btn, html[lang="zh"] .link-more { letter-spacing: .04em; }
html[lang="zh"] .mobile-menu a span { letter-spacing: .04em; }
.prod-row__title { text-wrap: balance; }
/* 首屏中文标题再精修：略减字重、放开字距、略缩字号，更轻盈有呼吸感 */
html[lang="zh"] .hero--apple h1 { font-weight: 500; letter-spacing: .04em; font-size: clamp(2rem, 4vw, 3.7rem); }
html[lang="zh"] .hero--apple .lead { margin-top: 20px; letter-spacing: .04em; opacity: .7; }
/* 招聘岗位描述：职责/要求分段、编号列表 */
.job__desc { line-height: 1.75; }
.job__desc .jd-h { font-size: .95rem; font-weight: 600; color: var(--ink); margin: 18px 0 6px; }
.job__desc .jd-h:first-child { margin-top: 2px; }
.job__desc .jd-ol, .job__desc .jd-ul { margin: 0; padding-left: 1.4em; display: grid; gap: 3px; }
.job__desc .jd-ol { list-style: decimal; }
.job__desc .jd-ul { list-style: none; padding-left: 0; }
.job__desc .jd-ul li { position: relative; padding-left: 14px; }
.job__desc .jd-ul li::before { content: ""; position: absolute; left: 0; top: .78em; width: 5px; height: 5px; background: var(--accent); }
.job__desc .jd-ol li::marker { color: var(--steel); font-variant-numeric: tabular-nums; }
.job__desc .jd-kv { margin: 2px 0; }
.job__desc .jd-kv b { font-weight: 600; color: var(--ink); margin-right: .5em; }
.job__desc .jd-kv b::after { content: "："; }
html:not([lang="zh"]) .job__desc .jd-kv b::after { content: ":"; }
@media (min-width: 861px) { .job__desc { max-width: 60em; } }
/* ===== 首页 · 耐胜 3D 线上展厅入口（暖白展台色，与渲染图背景同色） ===== */
.home-room { background: #F1F0EB; padding: clamp(64px, 8vw, 120px) 0; overflow: hidden; }
.home-room__inner { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 8fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.home-room .eyebrow { color: #3B5A49; }
.home-room .h-2 { margin-top: 16px; color: #1d1d1f; text-wrap: balance; }
.home-room__p { margin-top: 18px; color: #424245; max-width: 34em; line-height: 1.7; }
.home-room .pill { margin-top: 28px; background: #1E2A25; }
.home-room .pill:hover { background: #3B5A49; }
.home-room__note { display: block; margin-top: 14px; font-size: .8rem; color: #7C817D; }
.home-room__art { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(8px, 1.2vw, 18px); align-items: end; }
.home-room__t { display: flex; flex-direction: column; color: #1E2A25; transition: transform .45s var(--ease); }
.home-room__t:hover { transform: translateY(-6px); }
.home-room__fig { aspect-ratio: 4 / 5; display: grid; place-items: end center; }
.home-room__fig img { max-width: 100%; max-height: 100%; object-fit: contain; }
.home-room__cap { display: flex; flex-direction: column; gap: 2px; padding: 12px 2px 0; border-top: 1px solid #E2E0D8; margin-top: 8px; }
.home-room__cap b { font-family: "Inter", var(--font-display); font-weight: 300; font-size: clamp(1.4rem, 2vw, 1.9rem); line-height: 1; font-variant-numeric: tabular-nums; }
.home-room__cap span { font-size: .84rem; color: #3A433F; }
.home-room__t:hover .home-room__cap b { color: #3B5A49; }
@media (max-width: 960px) {
  .home-room__inner { grid-template-columns: 1fr; }
  .home-room__art { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 22px; }
}
.home-room { --accent: #3B5A49; }   /* 小标题短线与文字同为墨绿 */

/* ============================================================
   NEISEN 产品目录（2026-10-05）：参照 civro 的产品站结构 —— 首屏场景轮播、产品卡片（截角剖面图 + 关键数据）、
   产品详情页（数据带 / 图集 / 设计要点 / 技术概览 / 底部固定操作条）。只作用于 body.studio-page。
   ============================================================ */
.nc-hero { position: relative; height: clamp(520px, 82vh, 860px); background: #1E2A25; color: #fff; overflow: hidden; }
.nc-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.1s var(--ease); pointer-events: none; }
.nc-slide.is-on { opacity: 1; pointer-events: auto; z-index: 1; }
.nc-slide img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; transform: scale(1.04); transition: transform 7s linear; }
.nc-slide.is-on img { transform: scale(1); }
.nc-slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(14, 18, 16, .78) 0%, rgba(14, 18, 16, .25) 38%, rgba(14, 18, 16, 0) 62%); pointer-events: none; }
.nc-cap { position: absolute; left: 0; right: 0; bottom: clamp(56px, 9vw, 120px); z-index: 2; }
.nc-cap .ns-lbl { color: rgba(255, 255, 255, .72); margin-top: 0; }
.nc-cap h1 { margin-top: 12px; font-size: clamp(2rem, 4.2vw, 3.6rem); font-weight: 500; line-height: 1.12; letter-spacing: -.01em; max-width: 16ch; text-wrap: balance; color: #fff; }
.nc-cap p { margin-top: 14px; max-width: 48ch; color: rgba(255, 255, 255, .8); font-size: 1.02rem; line-height: 1.65; }
.nc-cap .ns-btn { margin-top: 24px; }
.nc-ctrl { position: absolute; left: 0; right: 0; bottom: 22px; z-index: 3; display: flex; align-items: center; justify-content: flex-end; gap: 14px; }
.nc-dots { display: flex; gap: 6px; }
.nc-dots button { width: 34px; height: 3px; background: rgba(255, 255, 255, .32); border-radius: 2px; transition: background .3s; }
.nc-dots button.is-on { background: #fff; }
.nc-arrow { width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .4); display: grid; place-items: center; color: #fff; transition: background .25s, border-color .25s; }
.nc-arrow:hover { background: #fff; color: #1E2A25; border-color: #fff; }
.nc-arrow svg { width: 18px; height: 18px; }
html[dir="rtl"] .nc-arrow svg { transform: scaleX(-1); }

.nc-intro { background: var(--ns-panel); border-bottom: 1px solid var(--ns-line); }
.nc-intro__inner { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(24px, 5vw, 80px); align-items: center; padding-block: clamp(36px, 5vw, 64px); }
.nc-intro__p { color: var(--ns-ink2); line-height: 1.75; font-size: 1.02rem; max-width: 60ch; }

.nc-cat .sec-head { align-items: flex-end; }
.nc-filter { display: flex; gap: 6px; flex-wrap: wrap; }
.nc-filter button { padding: 9px 16px; border: 1px solid var(--ns-line2); border-radius: 999px; background: transparent; color: var(--ns-ink2); font-size: .86rem; transition: background .25s, color .25s, border-color .25s; }
.nc-filter button:hover { border-color: var(--ns-ink); color: var(--ns-ink); }
.nc-filter button.is-on { background: var(--ns-ink); border-color: var(--ns-ink); color: #fff; }
.nc-cat__links { margin-top: clamp(24px, 3vw, 36px); display: flex; gap: 10px; flex-wrap: wrap; }
.nc-cat__note { margin-top: 14px; font-size: .9rem; color: var(--ns-mute); max-width: 70ch; }

.pgrid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(12px, 1.6vw, 22px); }
.pgrid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pcard { display: flex; flex-direction: column; background: var(--ns-panel); border: 1px solid var(--ns-line); transition: border-color .3s, transform .45s var(--ease), box-shadow .45s var(--ease); }
.pcard:hover { border-color: var(--ns-line2); transform: translateY(-4px); box-shadow: 0 18px 40px -24px rgba(30, 42, 37, .35); }
.pcard.is-hidden { display: none; }
.pcard__fig { position: relative; aspect-ratio: 1 / 1; background: #F1F0EB; display: grid; place-items: center; padding: 6%; overflow: hidden; }
.pcard__fig img { max-width: 100%; max-height: 100%; object-fit: contain; transition: transform .6s var(--ease); }
.pcard:hover .pcard__fig img { transform: scale(1.04); }
.pcard__badge { position: absolute; top: 12px; left: 12px; font-family: "Inter", sans-serif; font-size: .64rem; font-weight: 600; letter-spacing: .14em; color: var(--ns-green); background: rgba(255, 255, 255, .85); border: 1px solid var(--ns-line); padding: 4px 8px; border-radius: 2px; }
.pcard__body { display: flex; flex-direction: column; flex: 1; padding: 18px 20px 20px; }
.pcard__head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.pcard__name { flex: 1 1 130px; min-width: 0; }
.pcard__no { font-family: "Inter", sans-serif; font-weight: 300; font-size: 1.9rem; line-height: 1; letter-spacing: -.02em; color: var(--ns-ink); font-variant-numeric: tabular-nums; }
.pcard__name { font-size: .98rem; font-weight: 500; color: var(--ns-ink); }
.pcard__kpis { margin: 16px 0 0; display: grid; gap: 0; }
.pcard__kpis > div { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-top: 1px solid var(--ns-line); font-size: .84rem; }
.pcard__kpis dt { color: var(--ns-mute); }
.pcard__kpis dd { margin: 0; color: var(--ns-ink); font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.pcard__more { margin-top: auto; padding-top: 18px; font-size: .86rem; font-weight: 500; color: var(--ns-green); display: inline-flex; align-items: center; gap: 6px; }
.pcard__more::after { content: "→"; transition: transform .3s var(--ease); }
.pcard:hover .pcard__more::after { transform: translateX(4px); }
html[dir="rtl"] .pcard__more::after { content: "←"; }

.mdgrid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(12px, 1.6vw, 22px); }
.mdcard { position: relative; aspect-ratio: 4 / 5; overflow: hidden; background: #111; color: #fff; }
.mdcard img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.mdcard:hover img { transform: scale(1.05); }
.mdcard::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(10, 14, 12, .86) 0%, rgba(10, 14, 12, .35) 45%, rgba(10, 14, 12, .05) 70%); }
.mdcard__t { position: absolute; left: 0; right: 0; bottom: 0; z-index: 1; padding: 18px 18px 20px; }
.mdcard__t h4 { font-size: 1.05rem; font-weight: 500; color: #fff; }
.mdcard__t p { margin-top: 6px; font-size: .84rem; line-height: 1.5; color: rgba(255, 255, 255, .78); }
.mdcard__t small { display: block; margin-top: 8px; font-family: "Inter", sans-serif; font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: rgba(255, 255, 255, .62); }
.sec-head__side { color: var(--ns-ink2); max-width: 36ch; font-size: .95rem; line-height: 1.6; }

/* ---- 产品详情页 ---- */
.pdp-hero { padding-top: calc(var(--header-h) + 28px); padding-bottom: clamp(32px, 4vw, 56px); border-bottom: 1px solid var(--ns-line); }
.pdp-hero__inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.pdp-hero .breadcrumb { color: var(--ns-mute); opacity: 1; }
.pdp-hero .ns-lbl { margin-top: 22px; }
.pdp-title { font-weight: 500; font-size: clamp(1.9rem, 3.6vw, 3rem); line-height: 1.15; letter-spacing: -.01em; color: var(--ns-ink); margin-top: 10px; text-wrap: balance; }
.pdp-lead { color: var(--ns-ink2); margin-top: 14px; font-size: 1.05rem; line-height: 1.7; max-width: 52ch; }
.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 28px; border-top: 1px solid var(--ns-line); border-bottom: 1px solid var(--ns-line); }
.kpi { padding: 16px 14px 16px 0; border-right: 1px solid var(--ns-line); }
.kpi:last-child { border-right: none; }
.kpi + .kpi { padding-left: 14px; }
.kpi b { display: block; font-family: "Inter", sans-serif; font-weight: 300; font-size: clamp(1.4rem, 2.2vw, 1.9rem); line-height: 1.05; letter-spacing: -.02em; color: var(--ns-ink); font-variant-numeric: tabular-nums; white-space: nowrap; }
.kpi b small { font-size: .55em; font-weight: 400; margin-left: 3px; color: var(--ns-mute); letter-spacing: 0; }
.kpi b.is-txt { font-size: 1.1rem; font-weight: 400; white-space: normal; line-height: 1.3; padding-top: 5px; min-height: 2.2em; }
.kpi__k { display: block; margin-top: 8px; font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ns-mute); }
html[lang="zh"] .kpi__k { letter-spacing: .14em; }
.kpi__n { display: block; margin-top: 2px; font-size: .78rem; color: var(--ns-ink2); }
.pdp-actions { margin-top: 26px; }
.pdp-stage { position: relative; background: #F1F0EB; padding: 24px 24px 60px; display: grid; justify-items: center; }
.pdp-stage__fig { margin: 0; min-height: 420px; display: grid; place-items: center; width: 100%; }
.pdp-stage__fig img { max-width: 100%; max-height: 560px; object-fit: contain; opacity: 0; transition: opacity .45s var(--ease); }
.pdp-stage__fig img.is-in { opacity: 1; }
.pdp-thumbs { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 16px; }
.pdp-thumbs button { width: 64px; height: 64px; border: 1px solid var(--ns-line2); background: #fff; padding: 4px; display: grid; place-items: center; transition: border-color .25s; }
.pdp-thumbs button img { max-width: 100%; max-height: 100%; object-fit: contain; }
.pdp-thumbs button.is-on, .pdp-thumbs button:hover { border-color: var(--ns-ink); }
.pdp-stage__cap { position: absolute; right: 24px; bottom: 22px; margin: 0; }

.pdp-story { display: grid; gap: clamp(28px, 4vw, 48px); }
.pdp-story__item { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(20px, 4vw, 64px); align-items: start; padding-top: clamp(24px, 3vw, 36px); border-top: 1px solid var(--ns-line); }
.pdp-story__item h2 { font-size: clamp(1.4rem, 2.4vw, 2rem); font-weight: 500; line-height: 1.25; color: var(--ns-ink); text-wrap: balance; }
.pdp-story__item p { color: var(--ns-ink2); line-height: 1.8; font-size: 1.02rem; max-width: 62ch; }

.pdp-scenes-wrap { background: var(--ns-panel); border-top: 1px solid var(--ns-line); border-bottom: 1px solid var(--ns-line); padding-block: clamp(48px, 6vw, 96px); }
.pdp-scenes { display: grid; grid-template-columns: repeat(var(--n, 2), minmax(0, 1fr)); gap: clamp(12px, 1.6vw, 22px); }
.pdp-scenes + .pdp-scenes { margin-top: clamp(12px, 1.6vw, 22px); }
.pdp-scenes figure { margin: 0; background: #e9e7e0; }
.pdp-scenes img { display: block; width: 100%; aspect-ratio: var(--ar, 4 / 3); object-fit: cover; }
.pdp-scenes figcaption { padding: 12px 2px 0; font-size: .86rem; color: var(--ns-ink2); }
.pdp-scenes figcaption b { font-weight: 500; color: var(--ns-ink); }

.pdp-high__list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 32px; }
.pdp-high__list li { position: relative; padding: 12px 0 12px 20px; border-top: 1px solid var(--ns-line); font-size: .96rem; color: var(--ns-ink2); line-height: 1.55; }
.pdp-high__list li::before { content: ""; position: absolute; left: 0; top: 20px; width: 6px; height: 6px; background: var(--ns-green); }
html[dir="rtl"] .pdp-high__list li { padding: 12px 20px 12px 0; } html[dir="rtl"] .pdp-high__list li::before { left: auto; right: 0; }

.spec-table--pdp { min-width: 0; }
.spec-table--pdp tbody th { width: 32%; font-weight: 500; background: transparent; color: var(--ns-mute); }
.spec-table--pdp tbody tr.spec-g th { background: var(--ns-panel); color: var(--ns-ink); font-weight: 600; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; padding-top: 18px; }
html[lang="zh"] .spec-table--pdp tbody tr.spec-g th { letter-spacing: .3em; }
.spec-table--pdp td { color: var(--ns-ink); }
.mats--pdp { grid-template-columns: repeat(5, 1fr); }

.pdp-bar { position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%); z-index: 60; display: flex; align-items: center; gap: 6px; padding: 6px 6px 6px 18px; background: rgba(30, 42, 37, .96); color: #fff; border-radius: 999px; box-shadow: 0 18px 50px -20px rgba(0, 0, 0, .5); backdrop-filter: blur(8px); opacity: 0; transform: translate(-50%, 16px); transition: opacity .4s var(--ease), transform .4s var(--ease); pointer-events: none; }
.pdp-bar.is-on { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
.pdp-bar__name { font-size: .9rem; font-weight: 500; margin-right: 10px; white-space: nowrap; }
.pdp-bar__btn { padding: 10px 16px; border-radius: 999px; font-size: .86rem; font-weight: 500; color: #fff; border: 1px solid rgba(255, 255, 255, .25); transition: background .25s, color .25s; white-space: nowrap; }
.pdp-bar__btn:hover { background: rgba(255, 255, 255, .12); }
.pdp-bar__btn--ink { background: #fff; color: var(--ns-ink); border-color: #fff; }
.pdp-bar__btn--ink:hover { background: var(--ns-green-soft); border-color: var(--ns-green-soft); }
body.has-pdp-bar .site-footer { padding-bottom: 80px; }

@media (max-width: 1100px) { .pgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .mdgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .mats--pdp { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 960px) {
  .pdp-hero__inner { grid-template-columns: 1fr; }
  .pdp-stage { order: -1; padding-bottom: 54px; }
  .pdp-stage__fig { min-height: 0; } .pdp-stage__fig img { max-height: 420px; }
  .nc-intro__inner { grid-template-columns: 1fr; gap: 18px; }
  .pdp-story__item { grid-template-columns: 1fr; gap: 12px; }
  .pdp-high__list { grid-template-columns: 1fr; }
  .nc-cap h1 { max-width: 14ch; }
}
@media (max-width: 720px) {
  .nc-hero { height: clamp(460px, 86vh, 640px); }
  .nc-cap { bottom: 64px; }
  .nc-cap p { display: none; }
  .nc-ctrl { justify-content: center; bottom: 16px; }
  .nc-arrow { display: none; }
  .pgrid, .pgrid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .pcard__body { padding: 12px 14px 14px; } .pcard__no { font-size: 1.5rem; } .pcard__name { font-size: .86rem; } .pcard__kpis > div { font-size: .78rem; }
  .kpis { grid-template-columns: 1fr 1fr; }
  .kpi { padding: 14px 10px 14px 0; } .kpi:nth-child(2) { border-right: none; } .kpi:nth-child(n+3) { border-top: 1px solid var(--ns-line); }
  .pdp-scenes, .pdp-scenes--wide { grid-template-columns: 1fr; }
  .mdgrid { grid-template-columns: 1fr 1fr; gap: 10px; } .mdcard__t { padding: 12px; } .mdcard__t p { display: none; }
  .mats--pdp { grid-template-columns: repeat(2, 1fr); }
  .pdp-bar { left: 12px; right: 12px; bottom: 12px; transform: none; border-radius: 14px; padding: 8px; gap: 6px; }
  .pdp-bar.is-on { transform: none; }
  .pdp-bar__name { display: none; }
  .pdp-bar__btn { flex: 1; text-align: center; padding: 12px 8px; }
  .pdp-stage__cap { display: none; }
}
@media (prefers-reduced-motion: reduce) { .nc-slide img, .nc-slide.is-on img { transform: none; transition: none; } }

/* ===== NEISEN 「wow」层（2026-10-06）：品牌标题首屏、轮播文字入场、产品卡悬停变身、详情页内嵌 3D、滚动开窗序列 ===== */
.nc-title { position: relative; min-height: 100svh; display: grid; place-items: center; background: #0f1512; color: #fff; overflow: hidden; isolation: isolate; text-align: center; }
.nc-title__bg { position: absolute; inset: 0; z-index: -1; }
.nc-title__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .42; transform: scale(1.12); animation: ncZoom 14s ease-out forwards; filter: saturate(.85); }
.nc-title__bg::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 60%, rgba(15, 21, 18, .15) 0%, rgba(15, 21, 18, .82) 70%, #0f1512 100%); }
@keyframes ncZoom { to { transform: scale(1); } }
.nc-title__inner { padding: calc(var(--header-h) + 40px) var(--gutter) 90px; max-width: 1100px; }
.nc-title__kicker { font-family: "Inter", var(--font-cn-sys); font-size: .72rem; letter-spacing: .34em; text-transform: uppercase; color: rgba(255, 255, 255, .62); opacity: 0; animation: ncUp 1s var(--ease) .2s forwards; }
html[lang="zh"] .nc-title__kicker { letter-spacing: .3em; }
.nc-title__word { display: flex; justify-content: center; gap: 0; margin: 26px 0 22px; font-family: "Inter", sans-serif; font-weight: 500; font-size: clamp(3.4rem, 15vw, 12.5rem); line-height: .95; letter-spacing: .14em; padding-left: .14em; color: #fff; }
.nc-title__word span { display: inline-block; opacity: 0; transform: translateY(.35em); filter: blur(10px); animation: ncLetter 1.1s var(--ease) forwards; }
.nc-title__word span:nth-child(1) { animation-delay: .35s } .nc-title__word span:nth-child(2) { animation-delay: .45s } .nc-title__word span:nth-child(3) { animation-delay: .55s }
.nc-title__word span:nth-child(4) { animation-delay: .65s } .nc-title__word span:nth-child(5) { animation-delay: .75s } .nc-title__word span:nth-child(6) { animation-delay: .85s }
@keyframes ncLetter { to { opacity: 1; transform: none; filter: blur(0); } }
@keyframes ncUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.nc-title__line { width: 1px; height: 54px; margin: 0 auto 22px; background: linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, .7)); transform-origin: top; transform: scaleY(0); animation: ncLine 1s var(--ease) 1.2s forwards; }
@keyframes ncLine { to { transform: scaleY(1); } }
.nc-title__tag { font-size: clamp(1.15rem, 2.2vw, 1.7rem); font-weight: 400; line-height: 1.4; color: rgba(255, 255, 255, .92); max-width: 30ch; margin: 0 auto; text-wrap: balance; opacity: 0; animation: ncUp 1s var(--ease) 1.35s forwards; }
.nc-title__sub { margin-top: 14px; font-size: .95rem; color: rgba(255, 255, 255, .58); opacity: 0; animation: ncUp 1s var(--ease) 1.55s forwards; }
.nc-title__cue { position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 8px; font-family: "Inter", var(--font-cn-sys); font-size: .62rem; letter-spacing: .3em; text-transform: uppercase; color: rgba(255, 255, 255, .5); opacity: 0; animation: ncUp 1s var(--ease) 2s forwards; }
.nc-title__cue i { width: 1px; height: 34px; background: rgba(255, 255, 255, .45); position: relative; overflow: hidden; }
.nc-title__cue i::after { content: ""; position: absolute; left: 0; top: -100%; width: 100%; height: 100%; background: #fff; animation: ncCue 1.8s ease-in-out infinite; }
@keyframes ncCue { 0% { top: -100%; } 60% { top: 100%; } 100% { top: 100%; } }
/* the four-system carousel now follows the title screen: a touch shorter */
.nc-hero { height: clamp(520px, 86vh, 820px); }
.nc-cap > * { opacity: 0; transform: translateY(18px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.nc-slide.is-on .nc-cap > * { opacity: 1; transform: none; }
.nc-slide.is-on .nc-cap > :nth-child(1) { transition-delay: .25s; } .nc-slide.is-on .nc-cap > :nth-child(2) { transition-delay: .35s; }
.nc-slide.is-on .nc-cap > :nth-child(3) { transition-delay: .45s; } .nc-slide.is-on .nc-cap > :nth-child(4) { transition-delay: .55s; }
.nc-hero__label { position: absolute; top: 28px; left: 0; right: 0; z-index: 3; }
.nc-hero__label .ns-lbl { color: rgba(255, 255, 255, .6); margin: 0; }

/* product cards: hover turns the corner section into the whole window */
.pcard__fig img.pcard__alt { position: absolute; inset: 6%; width: 88%; height: 88%; object-fit: contain; opacity: 0; transform: scale(.94); transition: opacity .55s var(--ease), transform .7s var(--ease); }
.pcard:hover .pcard__fig img.pcard__alt { opacity: 1; transform: scale(1); }
.pcard:hover .pcard__fig img:not(.pcard__alt) { opacity: 0; transform: scale(1.04); }
.pcard__fig img:not(.pcard__alt) { transition: opacity .45s var(--ease), transform .6s var(--ease); }
@media (hover: none) { .pcard__fig img.pcard__alt { display: none; } .pcard:hover .pcard__fig img:not(.pcard__alt) { opacity: 1; } }

/* product page: live 3D in the hero */
.pdp-stage { min-height: 560px; }
.pdp-stage__fig { position: relative; width: 100%; }
.pdp-3d { position: absolute; inset: 0; width: 100%; height: 100%; --poster-color: transparent; background: transparent; opacity: 0; transition: opacity .6s var(--ease); z-index: 1; }
.pdp-3d.is-live { opacity: 1; }
.pdp-stage__fig.is-3d img { opacity: 0; }
.pdp-3d::part(default-progress-bar) { background: var(--ns-green); height: 2px; }
.pdp-3d::part(default-interaction-prompt) { opacity: .9; }
.pdp-3d__hint { position: absolute; left: 24px; bottom: 22px; z-index: 2; display: flex; align-items: center; gap: 8px; font-size: .8rem; color: var(--ns-ink2); opacity: 0; transition: opacity .5s; pointer-events: none; }
.pdp-3d__hint svg { width: 18px; height: 18px; }
.pdp-stage.is-live .pdp-3d__hint { opacity: 1; }
.pdp-thumbs button.is-3d { font-family: "Inter", sans-serif; font-size: .72rem; font-weight: 600; letter-spacing: .12em; color: var(--ns-green); }

/* product page: scroll-driven opening sequence (closed → tilt → turn) */
.pdp-seq { position: relative; }
.pdp-seq__track { height: calc(var(--steps, 2) * 100vh + 40vh); }
.pdp-seq__view { position: sticky; top: 0; height: 100vh; height: 100svh; display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); align-items: center; gap: clamp(20px, 4vw, 64px); overflow: hidden; }
.pdp-seq__text { padding-left: var(--gutter); }
.pdp-seq__text .ns-lbl { margin-top: 0; }
.pdp-seq__steps { position: relative; margin-top: 22px; min-height: 9em; }
.pdp-seq__step { position: absolute; inset: 0; opacity: 0; transform: translateY(14px); transition: opacity .5s var(--ease), transform .5s var(--ease); pointer-events: none; }
.pdp-seq__step.is-on { opacity: 1; transform: none; }
.pdp-seq__step h2 { font-size: clamp(1.6rem, 2.8vw, 2.5rem); font-weight: 500; line-height: 1.2; color: var(--ns-ink); text-wrap: balance; }
.pdp-seq__step p { margin-top: 12px; color: var(--ns-ink2); line-height: 1.7; max-width: 36ch; }
.pdp-seq__dots { display: flex; gap: 6px; margin-top: 26px; }
.pdp-seq__dots i { width: 34px; height: 2px; background: var(--ns-line2); transition: background .3s; }
.pdp-seq__dots i.is-on { background: var(--ns-ink); }
.pdp-seq__fig { position: relative; height: min(84vh, 84svh); margin: 0; }
.pdp-seq__fig img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; opacity: 0; transition: opacity .35s linear; }
.pdp-seq__fig img.is-on { opacity: 1; }
.pdp-seq__fig::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .06); pointer-events: none; }
@media (max-width: 960px) {
  .pdp-seq__view { grid-template-columns: 1fr; grid-template-rows: auto minmax(0, 1fr); gap: 12px; padding-top: calc(var(--header-h) + 8px); }
  .pdp-seq__text { padding: 0 var(--gutter); }
  .pdp-seq__steps { min-height: 7.5em; }
  .pdp-seq__fig { height: 100%; min-height: 0; margin: 0 var(--gutter) 16px; }
  .nc-title__inner { padding-bottom: 70px; }
  .nc-title__word { letter-spacing: .1em; padding-left: .1em; }
}
@media (prefers-reduced-motion: reduce) {
  .nc-title__bg img, .nc-title__word span, .nc-title__kicker, .nc-title__line, .nc-title__tag, .nc-title__sub, .nc-title__cue { animation: none; opacity: 1; transform: none; filter: none; }
  .nc-cap > * { transition: none; }
}

/* ===== NEISEN 对标 civro 补齐（2026-10-06）：标准与认证带、事实数字、新闻、合作伙伴带、材料抽屉、系统列表页、资料下载页 ===== */
.nc-std { background: var(--ns-panel); border-top: 1px solid var(--ns-line); border-bottom: 1px solid var(--ns-line); }
.std-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(24px, 4vw, 56px); }
.std-col h3 { font-size: 1.05rem; font-weight: 500; color: var(--ns-ink); margin-bottom: 14px; }
.std-col ul li { display: grid; grid-template-columns: 1fr; gap: 2px; padding: 11px 0; border-top: 1px solid var(--ns-line); font-size: .9rem; color: var(--ns-ink2); }
.std-col ul li b { font-family: "Inter", sans-serif; font-weight: 500; color: var(--ns-ink); letter-spacing: .01em; }
.std-col p { color: var(--ns-ink2); line-height: 1.7; font-size: .95rem; }
.std-col .link-more { margin-top: 14px; }
.std-note { margin-top: 12px; font-size: .82rem; color: var(--ns-mute); }
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: clamp(40px, 5vw, 64px); border-top: 1px solid var(--ns-line2); }
.fact { padding: 26px 20px 26px 0; border-right: 1px solid var(--ns-line); }
.fact + .fact { padding-left: 20px; }
.fact:last-child { border-right: none; }
.fact b { display: block; font-family: "Inter", sans-serif; font-weight: 300; font-size: clamp(2.2rem, 3.6vw, 3.2rem); line-height: 1; letter-spacing: -.03em; color: var(--ns-ink); font-variant-numeric: tabular-nums; }
.fact b small { font-size: .5em; font-weight: 400; color: var(--ns-mute); margin-left: 2px; }
.fact span { display: block; margin-top: 10px; font-size: .86rem; color: var(--ns-ink2); line-height: 1.5; max-width: 22ch; }
#news .news-grid .news-card { background: var(--ns-panel); border-color: var(--ns-line); }
.nc-partner { background: var(--ns-ink); color: #fff; padding-block: clamp(64px, 8vw, 110px); }
.nc-partner__inner { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.nc-partner .ns-lbl { color: rgba(255, 255, 255, .55); }
.nc-partner__cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.nc-partner__card { display: flex; flex-direction: column; gap: 10px; padding: 22px 20px; border: 1px solid rgba(255, 255, 255, .16); border-radius: 6px; color: #fff; transition: background .3s, border-color .3s, transform .4s var(--ease); }
.nc-partner__card:hover { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .4); transform: translateY(-3px); }
.nc-partner__card b { font-size: 1.02rem; font-weight: 500; }
.nc-partner__card span { font-size: .86rem; line-height: 1.55; color: rgba(255, 255, 255, .7); }

/* material drawer */
.mdcard { cursor: pointer; }
.mdcard__t::after { content: "+"; position: absolute; right: 18px; bottom: 20px; width: 28px; height: 28px; border: 1px solid rgba(255, 255, 255, .45); border-radius: 50%; display: grid; place-items: center; font-size: 1rem; line-height: 1; color: #fff; transition: background .25s, color .25s; }
.mdcard:hover .mdcard__t::after { background: #fff; color: var(--ns-ink); }
.mdcard__t { padding-right: 60px; }
.mat-drawer { position: fixed; inset: 0; z-index: 90; display: none; }
.mat-drawer.is-open { display: block; }
.mat-drawer__bg { position: absolute; inset: 0; background: rgba(15, 21, 18, .55); backdrop-filter: blur(4px); opacity: 0; transition: opacity .35s; }
.mat-drawer.is-in .mat-drawer__bg { opacity: 1; }
.mat-drawer__panel { position: absolute; top: 0; right: 0; bottom: 0; width: min(560px, 100%); background: var(--ns-bone); color: var(--ns-ink); overflow-y: auto; transform: translateX(100%); transition: transform .5s var(--ease); box-shadow: -30px 0 60px -30px rgba(0, 0, 0, .4); }
.mat-drawer.is-in .mat-drawer__panel { transform: none; }
html[dir="rtl"] .mat-drawer__panel { right: auto; left: 0; transform: translateX(-100%); }
.mat-drawer__close { position: absolute; top: 16px; right: 16px; z-index: 2; width: 40px; height: 40px; border-radius: 50%; background: rgba(255, 255, 255, .85); border: 1px solid var(--ns-line2); display: grid; place-items: center; color: var(--ns-ink); }
.mat-drawer__close:hover { background: var(--ns-ink); color: #fff; border-color: var(--ns-ink); }
.mat-drawer__close svg { width: 18px; height: 18px; }
.mat-drawer__img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; background: #111; }
.mat-drawer__body { padding: 28px clamp(22px, 4vw, 40px) 44px; }
.mat-drawer__body h2 { font-size: clamp(1.5rem, 2.4vw, 2rem); font-weight: 500; line-height: 1.2; color: var(--ns-ink); margin-top: 8px; }
.mat-drawer__lead { margin-top: 12px; color: var(--ns-ink); font-size: 1.02rem; line-height: 1.6; }
.mat-drawer__body p.mat-p { margin-top: 14px; color: var(--ns-ink2); line-height: 1.75; font-size: .95rem; }
.mat-drawer__specs { margin-top: 24px; border-top: 1px solid var(--ns-line2); }
.mat-drawer__specs > div { display: grid; grid-template-columns: 9em 1fr; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--ns-line); font-size: .9rem; }
.mat-drawer__specs dt { color: var(--ns-mute); } .mat-drawer__specs dd { margin: 0; color: var(--ns-ink); }
.mat-drawer__nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 26px; }
.mat-drawer__nav button { font-size: .86rem; color: var(--ns-green); font-weight: 500; }
.mat-drawer__nav button:hover { text-decoration: underline; }
body.has-drawer { overflow: hidden; }

/* systems list page / downloads page */
.npl-head { padding-top: calc(var(--header-h) + 28px); padding-bottom: clamp(20px, 3vw, 32px); border-bottom: 1px solid var(--ns-line); }
.npl-head .breadcrumb { color: var(--ns-mute); opacity: 1; }
.npl-head__row { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-top: 18px; }
.npl-head .pdp-title { margin-top: 0; }
.npl-head .pdp-lead { margin-top: 10px; }
.npl-count { font-size: .9rem; color: var(--ns-mute); }
.npl-count b { font-family: "Inter", sans-serif; font-weight: 400; font-size: 1.2rem; color: var(--ns-ink); margin-right: 4px; }
.npl-bar { display: flex; flex-wrap: wrap; gap: 14px 36px; padding: 0 0 22px; margin-bottom: clamp(24px, 3vw, 36px); border-bottom: 1px solid var(--ns-line); position: sticky; top: calc(var(--header-h) + 6px); z-index: 5; background: var(--ns-bone); padding-top: 12px; }
.npl-bar__group { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.npl-bar__lbl { font-family: "Inter", var(--font-cn-sys); font-size: .66rem; letter-spacing: .2em; text-transform: uppercase; color: var(--ns-mute); margin-right: 8px; }
.npl-bar button { padding: 8px 14px; border: 1px solid var(--ns-line2); border-radius: 999px; background: transparent; color: var(--ns-ink2); font-size: .84rem; transition: background .25s, color .25s, border-color .25s; }
.npl-bar button:hover { border-color: var(--ns-ink); color: var(--ns-ink); }
.npl-bar button.is-on { background: var(--ns-ink); border-color: var(--ns-ink); color: #fff; }
.dl-list { display: grid; gap: 10px; }
.dl-item { display: grid; grid-template-columns: 56px 1fr auto; align-items: center; gap: 18px; padding: 18px 20px; background: var(--ns-panel); border: 1px solid var(--ns-line); color: var(--ns-ink); transition: border-color .25s, transform .4s var(--ease); }
.dl-item:hover { border-color: var(--ns-ink); transform: translateY(-2px); }
.dl-item__ic { font-family: "Inter", sans-serif; font-size: .66rem; font-weight: 600; letter-spacing: .1em; width: 56px; height: 56px; border: 1px solid var(--ns-line2); display: grid; place-items: center; color: var(--ns-green); background: #fff; }
.dl-item__t b { display: block; font-weight: 500; font-size: 1rem; }
.dl-item__t small { display: block; margin-top: 4px; font-size: .82rem; color: var(--ns-mute); }
.dl-item__size { font-family: "Inter", sans-serif; font-size: .78rem; color: var(--ns-mute); white-space: nowrap; }
.dl-item__size::after { content: "↓"; margin-left: 10px; color: var(--ns-green); }
.dl-req { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 3vw, 40px); align-items: start; }
.dl-req__item b { display: block; font-weight: 500; font-size: 1rem; color: var(--ns-ink); margin-bottom: 8px; }
.dl-req__item span { font-size: .9rem; line-height: 1.6; color: var(--ns-ink2); }
.dl-req .ns-btn { grid-column: 1 / -1; justify-self: start; margin-top: 8px; }
@media (max-width: 1000px) { .std-cols { grid-template-columns: 1fr; } .facts { grid-template-columns: 1fr 1fr; } .fact:nth-child(2) { border-right: none; } .fact:nth-child(n+3) { border-top: 1px solid var(--ns-line); } .nc-partner__inner { grid-template-columns: 1fr; } .nc-partner__cols { grid-template-columns: 1fr; } .dl-req { grid-template-columns: 1fr; } }
@media (max-width: 720px) { .fact { padding: 18px 12px 18px 0; } .fact + .fact { padding-left: 12px; } .npl-bar { position: static; } .dl-item { grid-template-columns: 44px 1fr; } .dl-item__ic { width: 44px; height: 44px; } .dl-item__size { grid-column: 2; } }

/* partner organisations (names as wordmarks; no logo files) */
.partners { margin-top: clamp(40px, 5vw, 64px); padding-top: clamp(28px, 4vw, 44px); border-top: 1px solid var(--ns-line2); }
.partners__head { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; flex-wrap: wrap; margin-bottom: 20px; }
.partners__head h3 { font-size: 1.05rem; font-weight: 500; color: var(--ns-ink); }
.partners__head p { font-size: .9rem; color: var(--ns-ink2); max-width: 60ch; }
.partners__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.partner { background: #fff; border: 1px solid var(--ns-line); padding: 22px 20px 20px; display: flex; flex-direction: column; gap: 6px; min-height: 150px; }
.partner b { font-family: "Inter", sans-serif; font-weight: 600; font-size: 1.5rem; letter-spacing: .04em; color: var(--ns-ink); line-height: 1; margin-bottom: 6px; }
.partner span { font-size: .86rem; color: var(--ns-ink2); line-height: 1.4; }
.partner small { margin-top: auto; padding-top: 8px; font-family: "Inter", var(--font-cn-sys); font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ns-mute); }
html[lang="zh"] .partner small { letter-spacing: .1em; }
@media (max-width: 1000px) { .partners__grid { grid-template-columns: 1fr 1fr; } }

/* ===== NEISEN 去重求精（2026-10-06）：白底 / 浅灰 / 中性深灰，去掉米底与墨绿色块；胶囊式板块链接；认证大图卡 + 深色数字带 ===== */
body.studio-page {
  --ns-bone: #F1F0EB; --ns-panel: #F6F6F4; --ns-line: #E6E6E2; --ns-line2: #CFCFCA;
  --ns-ink: #1d1d1f; --ns-ink2: #3f3f42; --ns-mute: #7d7d80; --ns-green: #1d1d1f; --ns-green-soft: #E9E9E6;
  --ink: #1d1d1f; --carbon: #3f3f42; --steel: #7d7d80; --mist: #E6E6E2; --fog: #F6F6F4; --paper: #ffffff; --silver: #C4C4C0;
  --accent: #1d1d1f; --accent-soft: #4a4a4e; --accent-line: rgba(29, 29, 31, .14);
  background: #ffffff;
}
.studio-page .section, .studio-page .section--tight { background: transparent; }
.nc-cat { padding-bottom: clamp(56px, 7vw, 96px); }
.pcard { background: #fff; border-color: var(--ns-line); }
.pcard__fig { background: var(--ns-bone); }
.pcard__badge { background: #fff; color: var(--ns-ink); }
.nc-cat__links .link-more, .pcard__more { color: var(--ns-ink); }
/* pill links (civro-style section buttons) */
.pill-link { display: inline-flex; align-items: center; gap: 8px; padding: 9px 18px; border: 1px solid var(--ns-line2); border-radius: 999px; font-size: .84rem; font-weight: 500; color: var(--ns-ink); background: #fff; white-space: nowrap; transition: background .25s, color .25s, border-color .25s; }
.pill-link:hover { background: var(--ns-ink); color: #fff; border-color: var(--ns-ink); }
.pill-link--solid { background: var(--ns-ink); color: #fff; border-color: var(--ns-ink); }
.pill-link--solid:hover { background: #3f3f42; border-color: #3f3f42; }
.pill-link--light { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .55); }
.pill-link--light:hover { background: #fff; color: var(--ns-ink); border-color: #fff; }
.studio-page .sec-head .link-more { display: inline-flex; align-items: center; padding: 9px 18px; border: 1px solid var(--ns-line2); border-radius: 999px; font-size: .84rem; font-weight: 500; color: var(--ns-ink); background: #fff; transition: background .25s, color .25s; }
.studio-page .sec-head .link-more::after { display: none; }
.studio-page .sec-head .link-more:hover { background: var(--ns-ink); color: #fff; border-color: var(--ns-ink); }
.studio-page .sec-head .sec-head__text .eyebrow { display: none; }
/* quiet section heads (eyebrow only) become plain civro-style titles */
.studio-page .sec-head--quiet .eyebrow { display: inline-block; font-family: var(--font-body); font-size: clamp(1.15rem, 1.9vw, 1.5rem); font-weight: 500; letter-spacing: -.005em; text-transform: none; color: var(--ns-ink); padding-left: 0; }
.studio-page .sec-head--quiet .eyebrow::before { display: none; }
.studio-page .sec-head--quiet { align-items: center; }
.studio-page .sec-head--quiet .wtype-note { max-width: 44ch; }
/* product hero: KPI cells never collide; hide the render caption once the live model is in */
.kpi b { font-size: clamp(1.25rem, 1.8vw, 1.65rem); }
.kpi b.is-txt { font-size: 1rem; }
.pdp-stage.is-live .pdp-stage__cap { display: none; }
.pdp-3d__hint { background: rgba(255, 255, 255, .7); padding: 6px 10px; border-radius: 999px; }
.studio-page .sec-head .h-2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); font-weight: 500; letter-spacing: -.01em; }
.studio-page .sec-head { margin-bottom: clamp(28px, 4vw, 44px); }
/* showroom band: light instead of dark green */
.ns-room { background: var(--ns-panel); color: var(--ns-ink); }
.ns-room .ns-lbl { color: var(--ns-mute); }
.ns-room .ns-h2 { color: var(--ns-ink); }
.ns-room .ns-p { color: var(--ns-ink2); }
.ns-room .ns-note { color: var(--ns-mute); }
.ns-room .ns-btn--ink { background: var(--ns-ink); border-color: var(--ns-ink); color: #fff; }
.ns-room .ns-btn--ink:hover { background: #3f3f42; border-color: #3f3f42; }
.ns-room__t { background: #fff; border: 1px solid var(--ns-line); border-radius: 10px; }
.ns-room__t img { background: #fff; }
.ns-room__t b { color: var(--ns-ink); }
/* certified cards */
.cert-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(14px, 2vw, 24px); }
.cert-card { position: relative; display: block; aspect-ratio: 16 / 10; overflow: hidden; border-radius: 12px; background: var(--ns-bone); color: #fff; }
.cert-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 60% 40%; transform: scale(1.02); transition: transform 1s var(--ease); }
.cert-card:hover img { transform: scale(1.07); }
.cert-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(20, 22, 24, .82) 0%, rgba(20, 22, 24, .35) 45%, rgba(20, 22, 24, .05) 75%); }
.cert-card__t { position: absolute; left: 0; right: 0; bottom: 0; z-index: 1; padding: clamp(18px, 2.5vw, 30px); }
.cert-card__t h3 { font-size: clamp(1.1rem, 1.7vw, 1.45rem); font-weight: 500; color: #fff; max-width: 24ch; text-wrap: balance; }
.cert-card__t p { margin: 8px 0 16px; font-size: .88rem; line-height: 1.5; color: rgba(255, 255, 255, .78); max-width: 44ch; }
.partner-strip { margin-top: clamp(28px, 4vw, 44px); padding-top: 22px; border-top: 1px solid var(--ns-line); display: grid; grid-template-columns: auto 1fr; gap: 8px 40px; align-items: center; }
.partner-strip__lbl { font-family: "Inter", var(--font-cn-sys); font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ns-mute); }
.partner-strip__row { display: flex; flex-wrap: wrap; gap: 12px 44px; justify-content: flex-end; }
.pmark { font-family: "Inter", sans-serif; font-weight: 700; font-size: 1.35rem; letter-spacing: .02em; color: #9a9a9d; transition: color .3s; cursor: default; }
.pmark:hover { color: var(--ns-ink); }
.partner-strip__note { grid-column: 1 / -1; font-size: .78rem; color: var(--ns-mute); }
/* facts band (dark, like civro) */
.nc-facts { background: #2b2c2e; color: #fff; padding-block: clamp(56px, 7vw, 96px); }
.nc-facts__row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.nc-fact span { display: block; font-size: .8rem; color: rgba(255, 255, 255, .6); margin-bottom: 10px; }
.nc-fact b { display: block; font-family: "Inter", sans-serif; font-weight: 300; font-size: clamp(1.8rem, 3vw, 2.7rem); white-space: nowrap; line-height: 1; letter-spacing: -.02em; color: #fff; font-variant-numeric: tabular-nums; }
.nc-fact b i { font-style: normal; font-size: .5em; vertical-align: super; margin-left: 2px; color: rgba(255, 255, 255, .7); }
.nc-fact b small { font-size: .38em; font-weight: 400; color: rgba(255, 255, 255, .6); margin-left: 6px; }
.nc-facts__actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: clamp(32px, 4vw, 48px); }
.nc-facts .pill-link--solid { background: #fff; color: var(--ns-ink); border-color: #fff; }
.nc-facts .pill-link--solid:hover { background: var(--ns-bone); border-color: var(--ns-bone); }
/* materials: title only on the card, details in the drawer */
#materials { background: var(--ns-panel); padding-block: clamp(56px, 7vw, 96px); max-width: none; padding-inline: 0; }
#materials > .sec-head, #materials > .mdgrid { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.mdcard { aspect-ratio: 1 / 1; border-radius: 10px; }
.mdcard__t p, .mdcard__t small { display: none; }
.mdcard__t h4 { font-size: 1rem; }
.mdcard::after { background: linear-gradient(0deg, rgba(10, 12, 12, .8) 0%, rgba(10, 12, 12, .25) 40%, rgba(10, 12, 12, 0) 65%); }
.sec-head__side { display: none; }
/* projects section neutral */
#in-use { background: transparent !important; }
#in-use .ns-cta .ns-btn--ink { border-radius: 999px; }
.ns-btn { border-radius: 999px; }
/* hero carousel a little shorter, so the page gets to the products sooner */
.nc-hero { height: clamp(480px, 74vh, 760px); }
.nc-cap .ns-btn--light { border-radius: 999px; }
/* list / downloads / detail pages inherit the palette */
.npl-bar { background: #fff; }
.pdp-scenes-wrap, .nc-std { background: var(--ns-panel); }
.pcard__kpis dt { color: var(--ns-mute); }
@media (max-width: 860px) { .cert-grid { grid-template-columns: 1fr; } .cert-card { aspect-ratio: 4 / 3; } .partner-strip { grid-template-columns: 1fr; } .partner-strip__row { justify-content: flex-start; gap: 10px 28px; } .nc-facts__row { grid-template-columns: 1fr 1fr; gap: 28px 16px; } }

/* product hero key data as a 2 × 2 grid (four-in-a-row collided at 1440px) */
.kpis { grid-template-columns: 1fr 1fr; }
.kpi { padding: 16px 14px 16px 0; }
.kpi:nth-child(2), .kpi:nth-child(4) { border-right: none; }
.kpi:nth-child(n+3) { border-top: 1px solid var(--ns-line); }
.kpi:nth-child(even) { padding-left: 18px; }
.kpi b { font-size: clamp(1.5rem, 2vw, 1.9rem); }
.kpi b.is-txt { font-size: 1.1rem; }
.pdp-high .eyebrow { font-family: var(--font-body); font-size: clamp(1.15rem, 1.9vw, 1.5rem); font-weight: 500; letter-spacing: -.005em; text-transform: none; color: var(--ns-ink); padding-left: 0; }
.pdp-high .eyebrow::before { display: none; }

/* ===== hero = brand title + four-system carousel in one screen (2026-10-06) ===== */
.nc-hero--title { height: 100vh; height: 100svh; min-height: 560px; max-height: none; background: #0f1512; }
.nc-hero--title .nc-slide img { transform: scale(1.06); transition: transform 9s linear; }
.nc-hero--title .nc-slide.is-on img { transform: scale(1); }
.nc-hero--title .nc-slide::after { background: linear-gradient(180deg, rgba(10, 12, 12, .38) 0%, rgba(10, 12, 12, .08) 42%, rgba(10, 12, 12, .62) 100%); }
.nc-hero--title .nc-title__inner { position: absolute; left: 0; right: 0; top: 50%; transform: translateY(-62%); z-index: 2; text-align: center; padding: 0 var(--gutter); pointer-events: none; max-width: none; width: 100%; }
.nc-hero--title .nc-title__kicker { color: rgba(255, 255, 255, .78); text-shadow: 0 1px 12px rgba(0, 0, 0, .35); }
.nc-hero--title .nc-title__word { margin: 22px 0 14px; font-size: clamp(3.6rem, 13vw, 12.5rem); letter-spacing: .12em; padding-left: .12em; text-shadow: 0 6px 40px rgba(0, 0, 0, .35); }
.nc-hero--title .nc-title__tag { font-size: clamp(1.05rem, 1.8vw, 1.45rem); color: rgba(255, 255, 255, .92); text-shadow: 0 1px 14px rgba(0, 0, 0, .4); max-width: none; }
.nc-hero--title .nc-cap { bottom: clamp(48px, 7vw, 84px); }
.nc-hero--title .nc-cap h2 { font-size: clamp(1.4rem, 2.4vw, 2.1rem); max-width: 20ch; }
.nc-hero--title .nc-cap p { max-width: 44ch; font-size: .95rem; color: rgba(255, 255, 255, .78); }
.nc-hero--title .nc-cap .ns-btn { margin-top: 18px; padding: 11px 18px; font-size: .86rem; }
.nc-hero--title .nc-ctrl { bottom: 26px; }
@media (max-width: 720px) {
  .nc-hero--title { height: 100svh; min-height: 520px; }
  .nc-hero--title .nc-title__inner { transform: translateY(-70%); }
  .nc-hero--title .nc-title__word { font-size: clamp(3.2rem, 18vw, 5.2rem); }
  .nc-hero--title .nc-cap { bottom: 58px; }
  .nc-hero--title .nc-cap h2 { font-size: 1.3rem; }
}

/* ===== showroom film band (2026-10-06): the four engineering models turning, rendered in Blender ===== */
.ns-film { position: relative; background: #F1F0EB; color: var(--ns-ink); overflow: hidden; isolation: isolate; }
.ns-film__v { display: block; width: 100%; height: clamp(520px, 86vh, 860px); object-fit: cover; object-position: 62% 50%; background: #F1F0EB; }
.ns-film::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(241, 240, 235, .92) 0%, rgba(241, 240, 235, .72) 34%, rgba(241, 240, 235, 0) 60%); pointer-events: none; }
.ns-film__cap { position: absolute; inset: 0; z-index: 1; display: flex; align-items: center; pointer-events: none; }
.ns-film__cap .container > * { pointer-events: auto; }
.ns-film__cap .ns-lbl { margin-top: 0; color: var(--ns-mute); }
.ns-film__cap .ns-h2 { color: var(--ns-ink); max-width: 15ch; }
.ns-film__cap .ns-p { color: var(--ns-ink2); max-width: 40ch; }
.ns-film__btns { display: flex; gap: 10px; flex-wrap: wrap; }
.ns-film__ctrl { position: absolute; left: 0; right: 0; bottom: 22px; z-index: 2; display: flex; justify-content: flex-end; align-items: center; gap: 14px; pointer-events: none; }
.ns-film__tag { font-family: "Inter", sans-serif; font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ns-mute); }
.ns-film__pp { pointer-events: auto; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--ns-line2); background: rgba(255, 255, 255, .75); display: grid; place-items: center; color: var(--ns-ink); backdrop-filter: blur(6px); transition: background .25s; }
.ns-film__pp:hover { background: #fff; }
.ns-film__pp svg { width: 16px; height: 16px; }
.ns-film__pp .i-play { display: none; }
.ns-film.is-paused .ns-film__pp .i-play { display: block; } .ns-film.is-paused .ns-film__pp .i-pause { display: none; }
@media (max-width: 860px) {
  .ns-film__v { height: auto; aspect-ratio: 16 / 9; object-fit: cover; object-position: 62% 50%; }
  .ns-film::after { display: none; }
  .ns-film__cap { position: static; display: block; padding: 22px var(--gutter) 64px; }
  .ns-film__cap .container { padding: 0; }
  .ns-film__cap .ns-h2 { max-width: none; } .ns-film__cap .ns-p { display: none; }
  .ns-film__ctrl { bottom: 18px; }
}
@media (prefers-reduced-motion: reduce) { .ns-film__v { display: none; } .ns-film { min-height: 0; } .ns-film__cap { position: static; padding: 64px 0; } .ns-film::after { display: none; } .ns-film__ctrl { display: none; } }

/* ---- footer trust band: testing / certification / inspection partners (components.js renderFooter) ---- */
.footer-trust { text-align: center; padding-bottom: clamp(44px, 5vw, 72px); margin-bottom: clamp(48px, 6vw, 80px); border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-trust__title { font-size: clamp(1.15rem, 1.6vw, 1.5rem); font-weight: 500; letter-spacing: -.01em; color: rgba(255,255,255,.9); margin-bottom: clamp(28px, 3vw, 44px); }
.footer-trust__row { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 24px 0; }
.tmark { display: flex; align-items: center; padding: 0 clamp(22px, 3vw, 44px); color: rgba(255,255,255,.6); transition: color .3s; cursor: default; }
.tmark:hover { color: #fff; }
.tmark + .tmark { border-inline-start: 1px solid rgba(255,255,255,.16); }
.tmark svg, .tmark img { display: block; width: auto; }
.tmark svg { height: 50px; overflow: visible; }
.tmark--intertek img { height: 50px; } .tmark--ccic img { height: 46px; } .tmark--nami img { height: 30px; margin: 0 auto; }
.tmark__stack { display: flex; flex-direction: column; align-items: center; gap: 5px; }
.tmark__stack small { font-family: "Inter", var(--font-cn-sys, sans-serif); font-size: .6rem; letter-spacing: .08em; text-transform: uppercase; color: currentColor; }
html[lang="zh"] .tmark__stack small { letter-spacing: .14em; }
.tmark img { color: inherit; }
@media (max-width: 720px) {
  .tmark { flex: 0 0 50%; min-width: 0; box-sizing: border-box; justify-content: center; padding: 0 8px; }
  .tmark + .tmark { border-inline-start: 0; }
  .tmark svg { height: 40px; } .tmark--intertek img { height: 40px; } .tmark--ccic img { height: 36px; } .tmark--nami img { height: 24px; }
}
@media print { .footer-trust { display: none !important; } }
/* old text-only partner strip on neisen.html superseded by the footer trust band */
.nc-cert .partner-strip { display: none; }
/* villa set (2026-10-07): captions for the one-house carousel */
.nc-cap__note { display: block; margin: 10px 0 18px; max-width: 48ch; font-size: .78rem; line-height: 1.5; color: rgba(255,255,255,.55); }
.nc-hero__label { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.nc-hero__note { font-size: .72rem; letter-spacing: .04em; color: rgba(255,255,255,.5); }
@media (max-width: 760px) { .nc-cap__note { display: none; } }
/* ---- Neisen hero, photo version (2026-10-07): full-bleed villa carousel, text bottom-left ---- */
.nc-title--photo { display: block; text-align: left; min-height: 100svh; }
.nc-title--photo .nc-title__bg img { position: absolute; inset: 0; opacity: 0; filter: none; transform: scale(1.06); transition: opacity 1.4s ease, transform 7s ease-out; animation: none; }
.nc-title--photo .nc-title__bg img.is-on { opacity: 1; transform: scale(1); }
.nc-title--photo .nc-title__bg::after { background: linear-gradient(to top, rgba(8, 12, 10, .78) 0%, rgba(8, 12, 10, .35) 38%, rgba(8, 12, 10, 0) 62%), linear-gradient(to bottom, rgba(8, 12, 10, .45) 0%, rgba(8, 12, 10, 0) 22%); }
.nc-title--photo .nc-title__inner { position: absolute; left: 0; right: 0; bottom: clamp(88px, 12vh, 150px); max-width: none; padding-top: 0; padding-bottom: 0; }
.nc-title--photo .nc-title__kicker { color: rgba(255, 255, 255, .8); text-shadow: 0 1px 10px rgba(0, 0, 0, .35); }
.nc-title--photo .nc-title__word { justify-content: flex-start; margin: 16px 0 14px; padding-left: 0; font-size: clamp(3rem, 8.5vw, 7.5rem); font-weight: 500; letter-spacing: .1em; text-shadow: 0 6px 40px rgba(0, 0, 0, .35); }
.nc-title--photo .nc-title__tag { margin: 0; max-width: 40ch; text-align: left; text-wrap: pretty; font-size: clamp(1.05rem, 1.7vw, 1.4rem); text-shadow: 0 1px 14px rgba(0, 0, 0, .45); }
.nc-title--photo .nc-title__btns { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; opacity: 0; animation: ncUp 1s var(--ease) 1.6s forwards; }
.nc-title--photo .ns-btn--outline { background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .55); color: #fff; backdrop-filter: blur(6px); }
.nc-title--photo .ns-btn--outline:hover { background: rgba(255, 255, 255, .18); border-color: #fff; }
.nc-title__foot { position: absolute; left: 0; right: 0; bottom: 28px; display: flex; justify-content: space-between; align-items: center; gap: 16px; z-index: 2; }
.nc-title__note { font-family: "Inter", var(--font-cn-sys); font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: rgba(255, 255, 255, .5); }
html[lang="zh"] .nc-title__note { letter-spacing: .08em; }
.nc-title__dots { display: flex; gap: 8px; }
.nc-title__dots button { width: 28px; height: 3px; border: 0; border-radius: 2px; background: rgba(255, 255, 255, .35); padding: 0; cursor: pointer; transition: background .3s; }
.nc-title__dots button[aria-selected="true"] { background: #fff; }
@media (max-width: 760px) {
  .nc-title--photo { min-height: 92svh; }
  .nc-title--photo .nc-title__inner { bottom: 76px; }
  .nc-title--photo .nc-title__word { font-size: clamp(2.6rem, 14vw, 4rem); letter-spacing: .08em; }
  .nc-title--photo .nc-title__tag { font-size: 1rem; }
  .nc-title__note { display: none; }
}
@media (prefers-reduced-motion: reduce) { .nc-title--photo .nc-title__bg img { transition: none; transform: none; } .nc-title--photo .nc-title__btns { animation: none; opacity: 1; } }
/* carousel: keep more of the window in frame on wide screens; per-image framing */
@media (min-width: 900px) { .nc-hero { height: min(clamp(520px, 88vh, 920px), 60vw); } }
/* slides whose image is not 16:9 (95 dining 4:3, 105 kitchen portrait): show the whole opening, never crop the frame */
.nc-slide--fit { background: #1E2A25; }
.nc-slide--fit .nc-slide__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: blur(42px) brightness(.5) saturate(.8); transform: scale(1.2); }
.nc-slide--fit .nc-slide__fg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; object-position: center; transform: none; padding: 0; }
.nc-slide--fit.is-on .nc-slide__fg { transform: none; }
@media (max-width: 760px) { .nc-slide--fit .nc-slide__fg { object-position: center 40%; } }
/* overview cards with room scenes (neisen.html, 2026-10-07): uniform 4:5 photos, same house */
.pcard__fig--scene { aspect-ratio: 4 / 5; padding: 0; display: block; background: #1E2A25; }
.pcard__fig--scene img { width: 100%; height: 100%; max-width: none; max-height: none; object-fit: cover; object-position: var(--pos, center); display: block; }
.pcard--scene:hover .pcard__fig img { transform: scale(1.03); }
.pcard__hook { margin: 6px 0 12px; font-size: 1.02rem; line-height: 1.35; color: var(--ns-ink); font-weight: 500; }
.nc-cat .sec-head__side { max-width: 44ch; }
@media (max-width: 760px) { .pcard__fig--scene { aspect-ratio: 4 / 5; } .pcard__hook { font-size: .92rem; } }
/* ---- 3D showroom showcase (2026-10-08): big media card with glass spec overlay, Civro-style ---- */
body.studio-page { --container: 1380px; }
.studio-page .sec-head .h-2 { font-size: clamp(2rem, 3.2vw, 3rem); font-weight: 600; letter-spacing: -.015em; }
.container--wide { max-width: 1480px; }
.ns-studio { background: #0f1512; color: #fff; padding-block: clamp(64px, 8vw, 120px); }
.ns-studio .ns-lbl { color: rgba(255,255,255,.55); margin-top: 0; }
.ns-studio .ns-h2 { font-size: clamp(2rem, 3.4vw, 3.2rem); font-weight: 600; letter-spacing: -.015em; max-width: 22ch; }
.ns-studio__head { display: grid; grid-template-columns: 1.4fr 1fr; align-items: end; gap: 32px; margin-bottom: clamp(28px, 3vw, 44px); }
.ns-studio .ns-p { color: rgba(255,255,255,.7); max-width: 48ch; font-size: 1.02rem; line-height: 1.65; }
.ns-studio__card { position: relative; border-radius: 14px; overflow: hidden; aspect-ratio: 16 / 8; background: #F1F0EB; isolation: isolate; box-shadow: 0 40px 80px -40px rgba(0,0,0,.8); }
.ns-studio__v { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 62% 50%; background: #F1F0EB; }
.ns-studio__tabs { position: absolute; top: 22px; left: 24px; display: flex; gap: 8px; z-index: 2; }
.ns-studio__tabs button { font-family: "Inter", var(--font-cn-sys); font-size: .84rem; font-weight: 600; letter-spacing: .04em; padding: 9px 16px; border-radius: 999px; border: 1px solid rgba(30,42,37,.18); background: rgba(255,255,255,.72); color: var(--ns-ink); backdrop-filter: blur(8px); cursor: pointer; transition: background .25s, color .25s; }
.ns-studio__tabs button[aria-selected="true"] { background: var(--ns-ink); color: #fff; border-color: var(--ns-ink); }
.ns-studio .ns-film__pp { position: absolute; top: 22px; right: 24px; z-index: 2; }
.ns-studio__spec { position: absolute; left: 24px; right: 24px; bottom: 24px; z-index: 2; display: flex; align-items: center; gap: clamp(16px, 2.4vw, 36px); padding: 18px 22px; border-radius: 12px; background: rgba(16,20,18,.74); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border: 1px solid rgba(255,255,255,.08); color: #fff; }
.ns-studio__thumb { flex: none; width: 92px; height: 92px; border-radius: 8px; background: #F1F0EB; overflow: hidden; display: grid; place-items: center; }
.ns-studio__thumb img { width: 100%; height: 100%; object-fit: cover; object-position: center 40%; }
.ns-studio__title { min-width: 0; }
.ns-studio__no { font-family: "Inter", sans-serif; font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: rgba(255,255,255,.55); }
.ns-studio__name { display: block; font-size: clamp(1.1rem, 1.5vw, 1.45rem); font-weight: 600; margin-top: 4px; line-height: 1.2; }
.ns-studio__kpis { display: flex; gap: clamp(20px, 3vw, 44px); margin-left: auto; }
.ns-studio__kpis div { display: flex; flex-direction: column; gap: 4px; }
.ns-studio__kpis dt { font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: rgba(255,255,255,.5); font-family: "Inter", var(--font-cn-sys); }
.ns-studio__kpis dd { font-size: clamp(1.2rem, 1.8vw, 1.7rem); font-weight: 600; letter-spacing: -.01em; }
.ns-studio__open { flex: none; }
.ns-studio__open.ns-btn { background: #fff; border-color: #fff; color: var(--ns-ink); padding: 14px 24px; font-weight: 600; }
.ns-studio__open.ns-btn:hover { background: var(--ns-bone, #E9E6DE); border-color: var(--ns-bone, #E9E6DE); }
.ns-studio__foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 24px; }
.ns-studio .ns-btn--light { background: #fff; border-color: #fff; color: var(--ns-ink); }
.ns-studio .ns-film__tag { color: rgba(255,255,255,.5); }
.nc-fact b { font-size: clamp(2.8rem, 5.2vw, 4.8rem); font-weight: 400; }
.nc-fact span { font-size: .86rem; }
@media (max-width: 1000px) {
  .ns-studio__head { grid-template-columns: 1fr; }
  .ns-studio__card { aspect-ratio: 16 / 10; }
  .ns-studio__spec { position: static; margin-top: 0; border-radius: 0 0 14px 14px; flex-wrap: wrap; }
  .ns-studio__card { display: flex; flex-direction: column; aspect-ratio: auto; }
  .ns-studio__v { position: relative; aspect-ratio: 16 / 10; }
  .ns-studio__kpis { margin-left: 0; width: 100%; flex-wrap: wrap; gap: 18px 28px; }
  .ns-studio__open { width: 100%; justify-content: center; }
}
/* ---- Neisen accent colour: cobalt (user decision 2026-10-08) ---- */
:root { --ns-accent: #C40D23; --ns-accent-dark: #9A0A1B; --ns-accent-soft: rgba(196, 13, 35, .12); }  /* Civro-style signal red, final user decision 2026-10-08 */
.studio-page .ns-btn--ink, .ns-room .ns-btn--ink, #in-use .ns-cta .ns-btn--ink { background: var(--ns-accent); border-color: var(--ns-accent); color: #fff; }
.studio-page .ns-btn--ink:hover, .ns-room .ns-btn--ink:hover, #in-use .ns-cta .ns-btn--ink:hover { background: var(--ns-accent-dark); border-color: var(--ns-accent-dark); color: #fff; }
.nc-title--photo .ns-btn--light { background: var(--ns-accent); border-color: var(--ns-accent); color: #fff; }
.nc-title--photo .ns-btn--light:hover { background: var(--ns-accent-dark); border-color: var(--ns-accent-dark); }
.nc-title__dots button[aria-selected="true"] { background: var(--ns-accent); }
.pcard__badge { background: var(--ns-accent); color: #fff; border-color: var(--ns-accent); }
.pcard__more { color: var(--ns-accent); }
.pcard:hover { border-color: var(--ns-accent); }
.ns-studio__tabs button[aria-selected="true"] { background: var(--ns-accent); border-color: var(--ns-accent); color: #fff; }
.ns-studio__open.ns-btn, .ns-studio .ns-btn--light { background: var(--ns-accent); border-color: var(--ns-accent); color: #fff; }
.ns-studio__open.ns-btn:hover, .ns-studio .ns-btn--light:hover { background: #fff; border-color: #fff; color: var(--ns-ink); }
.ns-studio__kpis div { border-top: 2px solid var(--ns-accent); padding-top: 8px; }
.nc-facts .pill-link--solid { background: var(--ns-accent); border-color: var(--ns-accent); color: #fff; }
.nc-facts .pill-link--solid:hover { background: #fff; border-color: #fff; color: var(--ns-ink); }
.studio-page .pill-link:hover, .studio-page .pill-link--light:hover { border-color: var(--ns-accent); color: var(--ns-accent); }
.studio-page .pill-link--solid { background: var(--ns-accent); border-color: var(--ns-accent); color: #fff; }
.studio-page .nav-link[aria-current="page"] { color: var(--ns-accent); }
.studio-page .lang-select__opt[aria-current="true"] { color: var(--ns-accent); }
.studio-page .sec-head .eyebrow, .studio-page .eyebrow { color: var(--ns-accent); }
.studio-page .nc-filter button.is-on { background: var(--ns-accent); border-color: var(--ns-accent); color: #fff; }
.studio-page .dl-req .ns-btn, .studio-page .pdp-actions .ns-btn--ink { background: var(--ns-accent); border-color: var(--ns-accent); color: #fff; }
.studio-page .btn--solid, body[data-page="contact"] .btn--solid { background: var(--ns-accent); border-color: var(--ns-accent); color: #fff; }
.studio-page .btn--solid:hover, body[data-page="contact"] .btn--solid:hover { background: var(--ns-accent-dark); border-color: var(--ns-accent-dark); }
.studio-page :focus-visible { outline-color: var(--ns-accent); }
.footer-trust__title::after { content: ""; display: block; width: 36px; height: 3px; background: var(--ns-accent); margin: 14px auto 0; border-radius: 2px; }
/* mobile smoothness (2026-10-08): no expensive blur filters, lighter motion */
@media (max-width: 760px) {
  .ns-studio__spec { backdrop-filter: none; -webkit-backdrop-filter: none; background: #141816; }
  .ns-studio__tabs button { backdrop-filter: none; background: rgba(255,255,255,.9); }
  .nc-title--photo .nc-title__bg img { transition: opacity 1s ease; transform: none; }
  .nc-title--photo .nc-title__bg img.is-on { transform: none; }
  .nc-title__word span { filter: none; }
  .ns-studio__card { box-shadow: none; }
}
.ns-btn { white-space: nowrap; }
@media (max-width: 760px) { .ns-studio__foot { flex-wrap: wrap; } .ns-studio__foot .ns-film__tag { width: 100%; } }
/* showcase card: spec bar sits below the video on every screen size, never covering the window (user feedback 2026-10-08) */
.ns-studio__card { display: flex; flex-direction: column; aspect-ratio: auto; }
.ns-studio__v { position: relative; aspect-ratio: 16 / 8; height: auto; }
.ns-studio__spec { position: static; margin: 0; border-radius: 0 0 14px 14px; }
.ns-studio__card { border-radius: 14px; }
@media (min-width: 1001px) { .ns-studio__v { aspect-ratio: 16 / 7.2; } }
/* showcase video: native 16:9, never cropped (user feedback 2026-10-08: no headroom above the window) */
.ns-studio__v { aspect-ratio: 16 / 9; object-fit: contain; object-position: center; background: #F1F0EB; }
@media (min-width: 1001px) { .ns-studio__v { aspect-ratio: 16 / 9; } }
/* facts band: numbers sized to the column, never overlapping (user feedback 2026-10-08) */
.nc-fact b { font-size: clamp(2rem, 3.3vw, 3.4rem); white-space: normal; line-height: 1.05; overflow-wrap: anywhere; }
.nc-fact b small { display: block; margin: 6px 0 0; font-size: .9rem; }
.nc-facts__row { gap: 32px; }
@media (max-width: 1100px) { .nc-facts__row { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
/* product page "watch it open": whole window visible (contain), header clearance, text never under the progress bars (2026-10-08) */
.pdp-seq__view { padding-top: var(--header-h); box-sizing: border-box; }
.pdp-seq__fig { background: #F1F0EB; height: min(80vh, 80svh); }
.pdp-seq__fig img { object-fit: contain; }
.pdp-seq__steps { min-height: 14em; }
.pdp-seq__dots { position: relative; z-index: 1; }
@media (max-width: 900px) { .pdp-seq__view { padding-top: calc(var(--header-h) + 8px); } .pdp-seq__steps { min-height: 10.5em; } }
/* footer trust band: NFRC added (2026-10-08) */
.tmark--nfrc img { height: 58px; }
@media (max-width: 760px) { .tmark--nfrc img { height: 48px; } .tmark { flex: 0 0 33.33%; } .tmark--intertek img { height: 34px; } .tmark--ccic img { height: 30px; } .tmark--nami img { height: 22px; } .tmark svg { height: 36px; } }
/* ---- floating action buttons (Neisen pages) ---- */
.fab { position: fixed; right: 22px; bottom: 26px; z-index: 60; display: flex; flex-direction: column; gap: 12px; }
.fab__btn { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; border: 0; cursor: pointer; box-shadow: 0 10px 24px -10px rgba(0,0,0,.45); transition: transform .25s var(--ease), opacity .3s, background .25s; color: #fff; }
.fab__btn--contact { background: var(--ns-accent); }
.fab__btn--contact:hover { background: var(--ns-accent-dark); transform: translateY(-2px); }
.fab__btn--top { background: #1E2A25; opacity: 0; pointer-events: none; transform: translateY(8px); }
.fab--scrolled .fab__btn--top { opacity: 1; pointer-events: auto; transform: none; }
.fab__btn--top:hover { background: #000; }
@media (max-width: 760px) { .fab { right: 14px; bottom: 18px; gap: 10px; } .fab__btn { width: 46px; height: 46px; } }
@media print { .fab { display: none; } }
/* trust band: five marks fit one row on laptops */
.tmark { padding: 0 clamp(14px, 2vw, 34px); }
@media (max-width: 1100px) and (min-width: 761px) { .tmark { padding: 0 14px; } .tmark--intertek img { height: 40px; } .tmark--ccic img { height: 36px; } .tmark svg { height: 40px; } .tmark--nfrc img { height: 50px; } }
.tmark--nfrc { color: inherit; } .tmark--nfrc img { opacity: .95; } .tmark--nfrc:hover img { opacity: 1; }
/* ---- materials & processes (2026-10-08): two labelled groups, 5 + 4, descriptions always visible, processes as factory photographs ---- */
.md-group + .md-group { margin-top: clamp(32px, 4vw, 52px); }
.md-group__head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.md-group__no { font-family: "Inter", sans-serif; font-size: .72rem; font-weight: 600; letter-spacing: .12em; color: var(--ns-accent); }
.md-group__lbl { font-family: "Inter", var(--font-cn-sys); font-size: .8rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ns-ink); }
html[lang="zh"] .md-group__lbl { letter-spacing: .2em; }
.md-group__line { flex: 1; height: 1px; background: var(--ns-line); }
.mdgrid--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.mdgrid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.mdgrid--5 .mdcard { aspect-ratio: 4 / 5; }
.mdcard--photo { aspect-ratio: 4 / 3; }
.mdcard--photo img { filter: saturate(.85); }
.mdcard--photo::after { background: linear-gradient(0deg, rgba(10, 14, 12, .88) 0%, rgba(10, 14, 12, .45) 42%, rgba(10, 14, 12, .08) 72%); }
.mdcard__t p { display: block; margin-top: 6px; font-size: .82rem; line-height: 1.5; color: rgba(255, 255, 255, .8); max-width: 30ch; }
.mdcard__t h4 { font-size: 1.02rem; font-weight: 600; }
@media (max-width: 1100px) { .mdgrid--5 { grid-template-columns: repeat(3, minmax(0, 1fr)); } .mdgrid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 760px) { .mdgrid--5, .mdgrid--4 { grid-template-columns: 1fr 1fr; } .mdcard__t p { display: none; } }
/* certification cards: 3D section renders, framed on the dark profile so the white copy stays legible (2026-10-08) */
.cert-card img { object-position: 50% 72%; }
.cert-card::after { background: linear-gradient(90deg, rgba(10, 14, 12, .82) 0%, rgba(10, 14, 12, .55) 45%, rgba(10, 14, 12, .15) 100%), linear-gradient(0deg, rgba(10, 14, 12, .6) 0%, rgba(10, 14, 12, 0) 55%); }
/* process tiles: dark renders only, same tone as the materials (no factory photographs on the Neisen pages — user rule 2026-10-08) */
.mdcard--process { aspect-ratio: 4 / 3; }
.mdcard--process img { filter: none; }
/* Neisen overview: four big landscape cards (2 × 2) so the whole opening — incl. the 4-panel 174 — is in frame (user 2026-10-08) */
#systems .pgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(16px, 2vw, 28px); }
#systems .pcard__fig--scene { aspect-ratio: 16 / 9; }
#systems .pcard--scene .pcard__body { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); grid-template-areas: "head kpis" "hook kpis" "more kpis"; column-gap: 24px; align-items: start; padding: 20px 24px 22px; }
#systems .pcard--scene .pcard__head { grid-area: head; }
#systems .pcard--scene .pcard__hook { grid-area: hook; margin: 6px 0 0; }
#systems .pcard--scene .pcard__more { grid-area: more; margin-top: 14px; }
#systems .pcard--scene .pcard__kpis { grid-area: kpis; display: grid; grid-template-columns: 1fr; gap: 8px; margin: 0; border-left: 1px solid var(--ns-line); padding-left: 22px; }
#systems .pcard--scene .pcard__kpis div { display: flex; justify-content: space-between; gap: 12px; padding: 0; border: 0; }
#systems .pcard--scene .pcard__kpis dt { font-size: .76rem; color: var(--ns-mute); }
#systems .pcard--scene .pcard__kpis dd { font-size: .92rem; font-weight: 600; white-space: nowrap; }
@media (max-width: 760px) {
  #systems .pgrid { grid-template-columns: 1fr; }
  #systems .pcard--scene .pcard__body { grid-template-columns: 1fr; grid-template-areas: "head" "hook" "kpis" "more"; }
  #systems .pcard--scene .pcard__kpis { border-left: 0; padding-left: 0; grid-template-columns: 1fr 1fr 1fr; margin-top: 12px; }
  #systems .pcard--scene .pcard__kpis div { flex-direction: column; gap: 2px; }
}
/* overview cards: image aspect follows the picture so the whole opening is always in frame (user 2026-10-08) —
   row 1 (84, 174) are 16:9 renders; row 2 (105 kitchen 3:2 → sides only, 95 dining 6:5 native) use 6:5 */
#systems .pcard:nth-child(3) .pcard__fig--scene, #systems .pcard:nth-child(4) .pcard__fig--scene { aspect-ratio: 6 / 5; }
#systems .pcard:nth-child(3) .pcard__fig--scene img { object-position: 50% 50%; }
#systems .pcard:nth-child(4) .pcard__fig--scene img { object-position: 50% 50%; }
/* ---- Neisen certification page (2026-10-08) ---- */
.ct-sec { padding-top: clamp(48px, 6vw, 80px); }
.ct-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(14px, 1.8vw, 24px); }
.ct-card { background: #fff; border: 1px solid var(--ns-line); border-radius: 12px; padding: clamp(22px, 2.4vw, 32px); display: flex; flex-direction: column; gap: 12px; }
.ct-card__region { font-family: "Inter", var(--font-cn-sys); font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ns-accent); font-weight: 600; }
.ct-card h3 { font-family: "Inter", sans-serif; font-size: clamp(1.5rem, 2.2vw, 2rem); font-weight: 600; letter-spacing: -.01em; color: var(--ns-ink); }
.ct-card p { color: var(--ns-ink2); line-height: 1.65; font-size: .95rem; }
.ct-card__list { list-style: none; margin: auto 0 0; padding: 14px 0 0; border-top: 1px solid var(--ns-line); display: flex; flex-direction: column; gap: 7px; }
.ct-card__list li { font-size: .84rem; color: var(--ns-ink); padding-left: 14px; position: relative; }
.ct-card__list li::before { content: ""; position: absolute; left: 0; top: .55em; width: 6px; height: 6px; border-radius: 50%; background: var(--ns-accent); }
.ct-partners { background: #fff; border-block: 1px solid var(--ns-line); padding-block: clamp(48px, 6vw, 80px); }
.ct-partner-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(14px, 1.8vw, 24px); margin-top: 8px; }
.ct-partner { padding: 24px; border: 1px solid var(--ns-line); border-radius: 12px; background: var(--ns-paper, #F8F7F3); }
.ct-partner__logo { height: 64px; display: flex; align-items: center; margin-bottom: 18px; }
.ct-partner__logo img { max-height: 64px; max-width: 160px; width: auto; object-fit: contain; }
.ct-partner h4 { font-size: 1.05rem; font-weight: 600; margin-bottom: 6px; }
.ct-partner p { font-size: .86rem; line-height: 1.55; color: var(--ns-ink2); }
.ct-iso { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: clamp(28px, 4vw, 64px); align-items: center; background: #0f1512; color: #fff; border-radius: 16px; padding: clamp(28px, 4vw, 56px); }
.ct-iso .eyebrow { color: rgba(255,255,255,.6); }
.ct-iso .h-2 { color: #fff; margin: 12px 0 14px; }
.ct-iso p { color: rgba(255,255,255,.72); line-height: 1.65; max-width: 52ch; }
.ct-iso .pill-link { margin-top: 22px; display: inline-flex; border-color: rgba(255,255,255,.4); color: #fff; }
.ct-iso .pill-link:hover { border-color: #fff; background: #fff; color: var(--ns-ink); }
.ct-iso__list { margin: 0; display: flex; flex-direction: column; }
.ct-iso__list div { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 16px 0; border-top: 1px solid rgba(255,255,255,.14); }
.ct-iso__list div:last-child { border-bottom: 1px solid rgba(255,255,255,.14); }
.ct-iso__list dt { font-family: "Inter", sans-serif; font-size: 1.35rem; font-weight: 600; }
.ct-iso__list dd { margin: 0; font-size: .9rem; color: rgba(255,255,255,.7); text-align: right; }
.ct-steps { padding-block: clamp(48px, 6vw, 88px); }
.ct-step-list { list-style: none; margin: 8px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(14px, 1.8vw, 24px); counter-reset: s; }
.ct-step-list li { position: relative; padding: 26px 24px 24px; border-top: 2px solid var(--ns-ink); }
.ct-step__no { font-family: "Inter", sans-serif; font-size: 2rem; font-weight: 300; color: var(--ns-accent); display: block; margin-bottom: 10px; }
.ct-step-list h4 { font-size: 1.08rem; font-weight: 600; margin-bottom: 8px; }
.ct-step-list p { font-size: .92rem; line-height: 1.6; color: var(--ns-ink2); }
.ct-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: clamp(28px, 3vw, 40px); }
.ct-note { margin-top: 22px; font-size: .82rem; color: var(--ns-mute); max-width: 70ch; }
@media (max-width: 1000px) { .ct-grid, .ct-step-list { grid-template-columns: 1fr; } .ct-partner-grid { grid-template-columns: 1fr 1fr; } .ct-iso { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .ct-partner-grid { grid-template-columns: 1fr; } }
.ct-iso .pill-link { background: transparent; }