/* Zhenge Office — Cold Luxury Light */
:root {
  --brand: #0b4c8c;
  --brand-light: #1a6bb8;
  --brand-dark: #0a2540;
  --brand-deep: #0e1218;
  --brand-soft: #e8f0f7;
  --accent: #0b4c8c;
  --ink: #0e1218;
  --text: #3a4250;
  --muted: #6a7382;
  --line: #dde3ea;
  --line-soft: #e8ebef;
  --bg: #fafbfc;
  --bg-alt: #f3f5f7;
  --bg-smoke: #e8ebef;
  --surface: #ffffff;
  --wrap: 1280px;
  --header-h: 72px;
  --radius: 10px;
  --radius-lg: 16px;
  --font: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-en: "Outfit", var(--font);
  --grad-brand: linear-gradient(135deg, #1a6bb8 0%, var(--brand) 55%, #083a6b 100%);
  --shadow: 0 14px 36px rgba(14, 18, 24, .06);
  --shadow-sm: 0 1px 2px rgba(14, 18, 24, .04), 0 4px 12px rgba(14, 18, 24, .04);
  --shadow-md: 0 10px 28px -8px rgba(14, 18, 24, .1), 0 2px 8px rgba(14, 18, 24, .04);
  --shadow-lg: 0 28px 56px -18px rgba(14, 18, 24, .16), 0 10px 22px -10px rgba(14, 18, 24, .08);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --ease-soft: cubic-bezier(.4, 0, .2, 1);
  --duration-fast: .18s;
  --duration-med: .34s;
  --duration-slow: .75s;
  --focus-ring: 0 0 0 3px rgba(11, 76, 140, .28);
  --z-header: 100;
  --z-nav-overlay: 99;
  --z-totop: 60;
}

@font-face {
  font-family: "Outfit";
  src: url("../fonts/latin-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Outfit";
  src: url("../fonts/latin-500-normal.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Outfit";
  src: url("../fonts/latin-600-normal.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 24px); }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  font-size: 15px;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
body.is-nav-open { overflow: hidden; }

::selection { background: rgba(11, 76, 140, .16); color: var(--brand-dark); }

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; border: 0; background: none; cursor: pointer; }

:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  box-shadow: var(--focus-ring);
}
.btn:focus-visible,
.filter-btn:focus-visible,
.case-filter__btn:focus-visible,
.product-tabs__btn:focus-visible,
.hero__nav:focus-visible,
.hero__dots button:focus-visible,
.burger:focus-visible,
.totop:focus-visible,
.product-gallery__thumbs button:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  box-shadow: var(--focus-ring);
}
.hero__nav:focus-visible,
.hero__dots button:focus-visible {
  outline-color: #fff;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, .35);
}
.btn--ghost:focus-visible {
  outline-color: #fff;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, .35);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: 12px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--brand);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius);
  transform: translateY(-140%);
  transition: transform var(--duration-fast) var(--ease-out);
}
.skip-link:focus,
.skip-link:focus-visible {
  transform: none;
  outline-offset: 2px;
}

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

.text-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.text-link::after {
  content: "→";
  transition: transform var(--duration-fast) var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .text-link:hover::after { transform: translateX(4px); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  border-radius: var(--radius);
  white-space: nowrap;
  position: relative;
  transition:
    background var(--duration-med) var(--ease-soft),
    color var(--duration-med) var(--ease-soft),
    border-color var(--duration-med) var(--ease-soft),
    box-shadow var(--duration-med) var(--ease-soft),
    transform var(--duration-fast) var(--ease-out);
}
.btn:active { transform: translateY(1px) scale(.98); }
.btn--lg { height: 52px; padding: 0 32px; font-size: 15px; }
.btn--sm { height: 36px; padding: 0 16px; font-size: 13px; font-weight: 600; }
.btn--primary {
  background: var(--brand);
  color: #fff;
  box-shadow: none;
}
@media (hover: hover) and (pointer: fine) {
  .btn--primary:hover {
    background: var(--brand-dark);
    box-shadow: none;
    transform: translateY(-1px);
  }
  .btn--white:hover { background: var(--bg-alt); transform: translateY(-2px); }
  .btn--ghost:hover {
    background: rgba(255,255,255,.96);
    color: var(--brand-dark);
    border-color: #fff;
    transform: translateY(-2px);
  }
  .btn--line:hover { border-color: var(--brand); color: var(--brand); box-shadow: var(--shadow-sm); }
}
.btn--primary:active { transform: translateY(0) scale(.98); }
.btn--line { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.btn--white { background: #fff; color: var(--brand-dark); font-weight: 700; box-shadow: 0 10px 24px -8px rgba(7, 30, 51, .28); }
.btn--ghost {
  background: rgba(255,255,255,.08);
  color: #fff;
  border: 1px solid rgba(255,255,255,.55);
  backdrop-filter: blur(8px) saturate(140%);
  -webkit-backdrop-filter: blur(8px) saturate(140%);
}
@media (prefers-reduced-transparency: reduce) {
  .btn--ghost { background: rgba(10, 37, 64, .72); backdrop-filter: none; -webkit-backdrop-filter: none; }
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: #fff;
  border-bottom: 1px solid var(--line);
  transition:
    background var(--duration-med) var(--ease-soft),
    border-color var(--duration-med) var(--ease-soft),
    box-shadow var(--duration-med) var(--ease-soft);
}
.header.is-scrolled {
  background: #fff;
  box-shadow: 0 1px 0 var(--line-soft);
}
.header__inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  height: var(--header-h);
  gap: 16px 24px;
}
body[data-page="home"] .header {
  position: fixed;
  left: 0;
  right: 0;
  background: transparent;
  border-bottom-color: rgba(255, 255, 255, .18);
  box-shadow: none;
}
body[data-page="home"] .header .logo__text strong { color: #fff; }
body[data-page="home"] .header .logo__text em { color: rgba(255, 255, 255, .5); }
body[data-page="home"] .header .nav__inner > a,
body[data-page="home"] .header .nav__drop > a { color: rgba(255, 255, 255, .88); }
body[data-page="home"] .header .nav__inner > a:hover,
body[data-page="home"] .header .nav__drop:hover > a,
body[data-page="home"] .header .nav__drop.is-open > a { color: #fff; background: rgba(255, 255, 255, .08); }
body[data-page="home"] .header .nav__inner > a.is-on,
body[data-page="home"] .header .nav__drop > a.is-on { color: #fff; }
body[data-page="home"] .header .header__tel { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .2); }
body[data-page="home"] .header .header__tel-copy em { color: rgba(255, 255, 255, .55); }
body[data-page="home"] .header .header__tel-copy strong { color: #fff; }
body[data-page="home"] .header .btn--primary { background: #fff; color: var(--brand-dark); box-shadow: none; }
body[data-page="home"] .header .burger i,
body[data-page="home"] .header .burger i::before,
body[data-page="home"] .header .burger i::after { background: #fff; }
body[data-page="home"] .header.is-scrolled {
  background: #fff;
  border-bottom-color: var(--line);
  box-shadow: 0 1px 0 var(--line-soft);
}
body[data-page="home"] .header.is-scrolled .logo__text strong { color: var(--ink); }
body[data-page="home"] .header.is-scrolled .logo__text em { color: var(--muted); }
body[data-page="home"] .header.is-scrolled .nav__inner > a,
body[data-page="home"] .header.is-scrolled .nav__drop > a { color: var(--text); }
body[data-page="home"] .header.is-scrolled .nav__inner > a:hover,
body[data-page="home"] .header.is-scrolled .nav__drop:hover > a { color: var(--brand); background: rgba(11, 76, 140, .04); }
body[data-page="home"] .header.is-scrolled .nav__inner > a.is-on,
body[data-page="home"] .header.is-scrolled .nav__drop > a.is-on { color: var(--brand); }
body[data-page="home"] .header.is-scrolled .header__tel { background: var(--brand-soft); border-color: rgba(11, 76, 140, .12); }
body[data-page="home"] .header.is-scrolled .header__tel-copy em { color: var(--muted); }
body[data-page="home"] .header.is-scrolled .header__tel-copy strong { color: var(--brand); }
body[data-page="home"] .header.is-scrolled .btn--primary { background: var(--brand); color: #fff; }
body[data-page="home"] .header.is-scrolled .burger i,
body[data-page="home"] .header.is-scrolled .burger i::before,
body[data-page="home"] .header.is-scrolled .burger i::after { background: var(--ink); }

@media (min-width: 1201px) {
  .nav {
    position: static;
    transform: none;
    justify-self: center;
    min-width: 0;
    width: 100%;
    max-width: 100%;
  }
  .nav__inner {
    justify-content: center;
    flex-wrap: nowrap;
    gap: 0;
  }
  .nav__inner > a,
  .nav__drop > a {
    padding: 0 9px;
    font-size: 13.5px;
  }
  .burger { display: none; }
}

@media (min-width: 1201px) and (max-width: 1360px) {
  .logo__text em { display: none; }
  .header__tel-copy em { display: none; }
  .header__tel { padding: 5px 10px 5px 6px; }
  .nav__inner > a,
  .nav__drop > a {
    padding: 0 7px;
    font-size: 13px;
  }
  .header__end .btn { height: 40px; padding: 0 18px; font-size: 13px; }
}

@media (min-width: 1201px) and (max-width: 1320px) {
  .logo__text strong { font-size: 15px; }
  .header__tel-copy strong { font-size: 14px; }
  .nav__inner > a,
  .nav__drop > a { padding: 0 6px; font-size: 12.5px; }
}

.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; min-width: 0; }
.logo__img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 0;
}
.logo__text { display: flex; flex-direction: column; line-height: 1.2; }
.logo__text strong { font-size: 17px; font-weight: 700; color: var(--ink); letter-spacing: .01em; }
.logo__text em { font-style: normal; font-size: 10px; letter-spacing: .2em; color: var(--muted); text-transform: uppercase; }
.logo--light .logo__text strong { color: #fff; }
.logo--light .logo__text em { color: rgba(255,255,255,.5); }

.header__end {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  justify-self: end;
}
.header__tel {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 8px;
  background: var(--brand-soft);
  border: 1px solid rgba(11, 76, 140, .12);
  border-radius: var(--radius);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}
@media (hover: hover) and (pointer: fine) {
  .header__tel:hover {
    border-color: rgba(11, 76, 140, .28);
    box-shadow: var(--shadow-sm);
  }
}
.header__tel-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--brand) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 16.92v3a2 2 0 0 1-2.18 2 19.79 19.79 0 0 1-8.63-3.07 19.5 19.5 0 0 1-6-6 19.79 19.79 0 0 1-3.07-8.67A2 2 0 0 1 4.11 2h3a2 2 0 0 1 2 1.72c.13.81.36 1.6.7 2.34a2 2 0 0 1-.45 2.11L8.09 9.91a16 16 0 0 0 6 6l1.27-1.27a2 2 0 0 1 2.11-.45c.74.34 1.53.57 2.34.7A2 2 0 0 1 22 16.92z'/%3E%3C/svg%3E") center/15px no-repeat;
  flex-shrink: 0;
}
.header__tel-copy { display: flex; flex-direction: column; line-height: 1.15; }
.header__tel-copy em { font-style: normal; font-size: 10.5px; color: var(--muted); letter-spacing: .04em; }
.header__tel-copy strong { font-size: 15.5px; font-weight: 700; color: var(--brand); letter-spacing: .03em; font-variant-numeric: tabular-nums; }

.nav {
  min-width: 0;
  position: relative;
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  height: 100%;
}
.nav__inner > a,
.nav__drop {
  position: relative;
}
.nav__inner > a,
.nav__drop > a {
  display: flex;
  align-items: center;
  height: 40px;
  padding: 0 12px;
  font-size: 14px;
  color: var(--text);
  position: relative;
  white-space: nowrap;
  transition: color .2s, background .2s;
}
.nav__inner > a::after,
.nav__drop > a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 28px;
  height: 3px;
  margin-left: -14px;
  border-radius: 3px 3px 0 0;
  background: var(--brand);
  transform: scaleX(0);
  transition: transform .22s ease;
}
.nav__inner > a:hover,
.nav__drop:hover > a,
.nav__drop.is-open > a {
  color: var(--brand);
  background: rgba(11, 76, 140, .04);
}
.nav__inner > a.is-on,
.nav__drop > a.is-on {
  color: var(--brand);
  font-weight: 700;
}
.nav__inner > a.is-on::after,
.nav__drop > a.is-on::after,
.nav__drop:hover > a::after { transform: scaleX(1); }

.nav__drop::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 10px;
}
.nav__sub {
  position: absolute;
  left: 50%;
  top: 100%;
  z-index: 20;
  min-width: 100%;
  width: max-content;
  transform: translateX(-50%) translateY(6px);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out),
    visibility var(--duration-fast);
}
.nav__drop:hover .nav__sub,
.nav__drop:focus-within .nav__sub,
.nav__drop.is-open .nav__sub {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav__sub a {
  display: block;
  padding: 10px 16px;
  font-size: 13px;
  color: var(--ink);
  white-space: nowrap;
  border-bottom: 1px solid var(--line);
  transition: color var(--duration-fast), background var(--duration-fast);
}
.nav__sub li:last-child a { border-bottom: 0; }
@media (hover: hover) and (pointer: fine) {
  .nav__sub a:hover {
    color: var(--brand);
    background: rgba(11, 76, 140, .04);
  }
}

.burger {
  display: none;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: var(--radius);
  transition: background var(--duration-fast);
}
.burger:hover { background: var(--brand-soft); }
.burger i,
.burger i::before,
.burger i::after {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  position: relative;
  border-radius: 1px;
  transition: transform var(--duration-med) var(--ease-out), opacity var(--duration-fast);
}
.burger i::before,
.burger i::after { content: ""; position: absolute; left: 0; }
.burger i::before { top: -6px; }
.burger i::after { top: 6px; }
.burger[aria-expanded="true"] i { background: transparent; }
.burger[aria-expanded="true"] i::before {
  top: 0;
  transform: rotate(45deg);
}
.burger[aria-expanded="true"] i::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100dvh;
  height: 100dvh;
  overflow: hidden;
  background: var(--brand-dark);
}
.hero__slides { position: absolute; inset: 0; }
.hero__slide {
  position: absolute;
  inset: 0;
  background-size: 0 0;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity .9s var(--ease-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.hero__slide.is-active {
  opacity: 1;
  z-index: 1;
  pointer-events: auto;
}
.hero__slide::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: inherit;
  background-size: cover;
  background-position: center;
  transform: scale(1.06);
  pointer-events: none;
}
.hero__slide.is-active::after {
  animation: kenburns 10s var(--ease-soft) both;
}
@keyframes kenburns {
  from { transform: scale(1.06); }
  to { transform: scale(1.14); }
}
.hero__slide::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(7, 30, 51, .52) 0%, rgba(7, 30, 51, .28) 42%, rgba(7, 30, 51, .58) 100%);
}
.hero__content {
  position: relative;
  z-index: 2;
  width: min(100% - 48px, var(--wrap));
  max-width: var(--wrap);
  margin-inline: auto;
  padding-block: 40px;
  padding-top: clamp(112px, 16vh, 148px);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero__title {
  font-size: clamp(34px, 5.2vw, 60px);
  font-weight: 500;
  line-height: 1.22;
  letter-spacing: .02em;
  color: #fff;
  margin-bottom: 20px;
}
.hero__subtitle {
  font-size: clamp(10px, 1.1vw, 12px);
  font-weight: 400;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .5);
  margin-bottom: 28px;
}
.hero__lead {
  font-size: 15px;
  color: rgba(255,255,255,.75);
  max-width: 30em;
  margin-inline: auto;
  margin-bottom: 40px;
  line-height: 1.85;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

/* Staged entrance for the active slide's content */
.hero__slide.is-active .hero__brand,
.hero__slide.is-active .hero__title,
.hero__slide.is-active .hero__subtitle,
.hero__slide.is-active .hero__lead,
.hero__slide.is-active .hero__actions {
  animation: heroIn 1s var(--ease-out) both;
}
.hero__slide.is-active .hero__brand { animation-delay: .08s; }
.hero__slide.is-active .hero__title { animation-delay: .18s; }
.hero__slide.is-active .hero__subtitle { animation-delay: .28s; }
.hero__slide.is-active .hero__lead { animation-delay: .36s; }
.hero__slide.is-active .hero__actions { animation-delay: .46s; }
@keyframes heroIn {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

.hero__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 40px;
  height: 40px;
  border-radius: 0;
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,.35);
  background: transparent;
  backdrop-filter: none;
  color: #fff;
  font-size: 24px;
  line-height: 1;
  display: grid;
  place-items: center;
  opacity: .45;
  transition: opacity .25s, border-color .25s, transform .25s;
}
.hero__nav:hover {
  opacity: 1;
  background: transparent;
  border-bottom-color: #fff;
}
.hero__nav--prev { left: 20px; }
.hero__nav--prev:hover { transform: translateY(-50%) translateX(-2px); }
.hero__nav--next { right: 20px; }
.hero__nav--next:hover { transform: translateY(-50%) translateX(2px); }

.hero__dots {
  position: absolute;
  left: 50%;
  bottom: 40px;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  gap: 8px;
}
.hero__dots button {
  position: relative;
  width: 32px;
  height: 2px;
  border-radius: 0;
  background: rgba(255,255,255,.28);
  overflow: hidden;
  opacity: 1;
  transition: background var(--duration-med), opacity var(--duration-med);
}
.hero__dots button.is-on {
  background: rgba(255,255,255,.28);
}
.hero__dots button.is-on::after {
  content: "";
  position: absolute;
  inset: 0;
  background: #fff;
  border-radius: inherit;
  transform: scaleX(0);
  transform-origin: left center;
}
.hero__dots button.is-on.is-progress::after {
  animation: heroDotProgress 8s linear forwards;
}
@keyframes heroDotProgress {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}
.hero__status {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Page banner (inner pages) - unique domestic imagery per page */
.page-banner {
  position: relative;
  padding: clamp(120px, 16vh, 160px) 0 clamp(64px, 8vh, 88px);
  min-height: 42vh;
  display: flex;
  align-items: flex-end;
  background-color: #071e33;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: #fff;
  overflow: hidden;
}
.page-banner--products {
  background-image: url("../images/banners/products.jpg");
  background-position: 68% center;
}
.page-banner--solutions {
  background-image: url("../images/banners/solutions.jpg");
  background-position: center;
}
.page-banner--service {
  background-image: url("../images/banners/service.jpg");
  background-position: 70% center;
}
.page-banner--cases {
  background-image: url("../images/banners/cases.jpg");
  background-position: center;
}
.page-banner--about {
  background-image: url("../images/banners/about.jpg");
  background-position: center 40%;
}
.page-banner--contact {
  background-image: url("../images/banners/contact.jpg");
  background-position: center 30%;
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(7,30,51,.7) 0%, rgba(7,30,51,.4) 42%, rgba(7,30,51,.14) 100%),
    linear-gradient(0deg, rgba(7,30,51,.36) 0%, transparent 48%);
  pointer-events: none;
}
.page-banner > .wrap {
  position: relative;
  z-index: 1;
  animation: heroIn .7s var(--ease-out) both;
  text-align: center;
}
.page-banner::after { display: none; }
.page-banner h1 {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 500;
  margin-bottom: 16px;
  letter-spacing: .02em;
  line-height: 1.25;
}
.page-banner__en {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .45);
  margin-bottom: 20px;
}
.page-banner p {
  font-size: 15px;
  color: rgba(255,255,255,.72);
  max-width: 38em;
  line-height: 1.8;
  margin-inline: auto;
}
.page-banner__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
}
.page-banner__pill {
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 0 18px;
  font-size: 13.5px;
  font-weight: 500;
  color: rgba(255, 255, 255, .88);
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 999px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition:
    background var(--duration-fast),
    border-color var(--duration-fast),
    color var(--duration-fast),
    transform var(--duration-fast) var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .page-banner__pill:hover {
    background: rgba(255, 255, 255, .18);
    border-color: rgba(255, 255, 255, .4);
    color: #fff;
    transform: translateY(-2px);
  }
}
.page-banner__stats {
  margin-top: 24px;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .5);
}

/* Metrics */
.metrics-wrap {
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  padding: clamp(48px, 8vh, 80px) 0;
}
.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.metrics--sparse {
  text-align: center;
}
.metrics--sparse > div {
  padding: 0;
  border: 0;
  background: none;
}
.metrics--sparse > div::before { display: none; }
.metrics--sparse > div:hover { background: none; }
.metrics > div {
  padding: 36px 24px 32px;
  border-right: 1px solid var(--line);
  position: relative;
  transition: background .35s var(--ease-soft);
}
.metrics > div::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 2px;
  background: var(--grad-brand);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .45s var(--ease-out);
}
.metrics > div:hover { background: linear-gradient(180deg, var(--brand-soft) 0%, transparent 100%); }
.metrics > div:hover::before { transform: scaleX(1); }
.metrics > div:last-child { border-right: 0; }
.metrics dt {
  font-size: clamp(40px, 4vw, 56px);
  font-weight: 500;
  color: var(--ink);
  line-height: 1;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
}
.metrics--sparse dt {
  background: none;
  -webkit-text-fill-color: var(--ink);
}
.metrics dt span {
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  margin-left: 4px;
  -webkit-text-fill-color: var(--muted);
  letter-spacing: 0;
}
.metrics dd { font-size: 13px; color: var(--muted); margin-top: 16px; letter-spacing: .04em; }

/* Sections */
.section { padding: clamp(80px, 12vh, 128px) 0; }
.section--alt { background: var(--bg-alt); }
.section--chapters { background: var(--bg); }

/* Manifest headings (Vanke-style bilingual) */
.manifest-head {
  margin-bottom: clamp(40px, 6vh, 64px);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.manifest-head__main { max-width: 36em; }
.manifest-head h2 {
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: .01em;
  line-height: 1.3;
}
.manifest-head__en {
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 12px;
}
.manifest-head__desc {
  color: var(--muted);
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.8;
  max-width: 36em;
}
.manifest-head--compact { margin-bottom: 40px; display: block; }

/* Numbered product chapters */
.chapters {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
}
.chapter {
  display: grid;
  grid-template-columns: 48px 1fr;
  grid-template-rows: auto 1fr;
  gap: 0 24px;
  padding: 40px 32px;
  background: var(--bg);
  transition: background var(--duration-med) var(--ease-soft);
}
@media (hover: hover) and (pointer: fine) {
  .chapter:hover { background: #fff; }
  .chapter:hover .chapter__media img { transform: scale(1.03); }
}
.chapter__num {
  grid-row: 1 / -1;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: .12em;
  color: var(--muted);
  padding-top: 4px;
}
.chapter__media {
  grid-column: 2;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #fff;
  margin-bottom: 20px;
}
.chapter__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 16px;
  transition: transform .8s var(--ease-out);
}
.chapter__body { grid-column: 2; }
.chapter__body h3 {
  font-size: 20px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: .04em;
  margin-bottom: 10px;
}
.chapter__body p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
}

/* Editorial split (solutions) */
.editorial-split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}
.editorial-split__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--line-soft);
}
.editorial-split__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .editorial-split__media:hover img { transform: scale(1.04); }
}
.editorial-list {
  margin: 32px 0 28px;
  border-top: 1px solid var(--line);
}
.editorial-list li { border-bottom: 1px solid var(--line); }
.editorial-list a {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 24px 0;
  transition: color var(--duration-fast);
}
@media (hover: hover) and (pointer: fine) {
  .editorial-list a:hover { color: var(--brand); }
  .editorial-list a:hover .editorial-list__title { color: var(--brand); }
}
.editorial-list__title {
  font-size: 16px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: .04em;
  transition: color var(--duration-fast);
}
.editorial-list__desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* Service rows */
.service-rows { border-top: 1px solid var(--line); }
.service-row {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 24px;
  align-items: start;
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
}
.service-row__num {
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--muted);
  padding-top: 4px;
}
.service-row__body h3 {
  font-size: 20px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: .04em;
  margin-bottom: 10px;
}
.service-row__body p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
  max-width: 48em;
}

/* Editorial cases */
.editorial-cases {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1px;
  background: var(--line);
}
.editorial-case {
  display: block;
  background: var(--bg);
  transition: background var(--duration-med);
}
@media (hover: hover) and (pointer: fine) {
  .editorial-case:hover { background: #fff; }
  .editorial-case:hover h3 { color: var(--brand); }
}
.editorial-case--featured .editorial-case__img {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.editorial-case--featured .editorial-case__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .editorial-case--featured:hover .editorial-case__img img { transform: scale(1.04); }
}
.editorial-case--featured .editorial-case__body { padding: 32px; }
.editorial-case-list {
  display: flex;
  flex-direction: column;
}
.editorial-case-list .editorial-case {
  padding: 28px 32px;
  border-bottom: 1px solid var(--line);
  flex: 1;
}
.editorial-case-list .editorial-case:last-child { border-bottom: 0; }
.editorial-case__tag {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .01em;
  margin-bottom: 8px;
  display: block;
}
.editorial-case h3 {
  font-size: 17px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: .03em;
  margin-bottom: 8px;
  transition: color var(--duration-fast);
}
.editorial-case p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}
.editorial-case-list .editorial-case p { display: none; }
.sec-head {
  margin-bottom: clamp(40px, 6vh, 56px);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.sec-head__main { max-width: 38em; }
.sec-head h2 {
  position: relative;
  font-size: clamp(26px, 2.8vw, 36px);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: .01em;
  line-height: 1.3;
  padding-left: 0;
}
.sec-head h2::before { display: none; }
.sec-desc { color: var(--muted); margin-top: 12px; font-size: 15px; line-height: 1.8; padding-left: 0; max-width: 42em; }

/* Entry tiles (home product / solution walls) */
.tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.tiles--4 { grid-template-columns: repeat(4, 1fr); }
.tile {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition:
    box-shadow var(--duration-med) var(--ease-soft),
    transform var(--duration-med) var(--ease-out),
    border-color var(--duration-med);
}
.tile__img {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-alt);
}
.tile__img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(7,30,51,.32) 100%);
  opacity: 0;
  transition: opacity var(--duration-med);
}
.tile__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .tile:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
    border-color: rgba(11, 76, 140, .16);
  }
  .tile:hover .tile__img::after { opacity: 1; }
  .tile:hover .tile__img img { transform: scale(1.05); }
  .tile:hover .tile__body h3 { color: var(--brand); }
}
.tile__img--product { background: #fff; }
.tile__img--product img { object-fit: contain; padding: 22px; }
.tile__body { padding: 22px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.tile__cat {
  align-self: flex-start;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--brand);
  background: var(--brand-soft);
  padding: 4px 10px;
  border-radius: var(--radius);
  margin-bottom: 12px;
}
.tile__body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
  letter-spacing: .02em;
  transition: color var(--duration-fast);
}
.tile__body p {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}

/* Service highlights */
.highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.highlight {
  background: #fff;
  padding: 40px 32px 36px;
  position: relative;
  transition: background .35s var(--ease-soft);
}
.highlight::before {
  content: "";
  position: absolute;
  left: 32px;
  top: 0;
  width: 48px;
  height: 3px;
  background: var(--brand);
  transform: scaleX(.7);
  transform-origin: left center;
  transition: transform .4s var(--ease-out);
}
.highlight:hover { background: linear-gradient(180deg, var(--brand-soft) 0%, #fff 72%); }
.highlight:hover::before { transform: scaleX(1.25); }
.highlight h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
  letter-spacing: .02em;
}
.highlight p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 18px;
}

/* Brands */
/* Brands */
.brands {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.brands__cell {
  display: grid;
  place-items: center;
  height: 96px;
  padding: 18px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition:
    border-color var(--duration-med),
    box-shadow var(--duration-med) var(--ease-soft),
    transform var(--duration-med) var(--ease-out);
}
.brands--strip {
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.brands--strip .brands__cell {
  height: 88px;
  background: transparent;
  border: 0;
  border-right: 1px solid var(--line);
  border-radius: 0;
  box-shadow: none;
}
.brands--strip .brands__cell:last-child { border-right: 0; }
@media (hover: hover) and (pointer: fine) {
  .brands--strip .brands__cell:hover {
    background: #fff;
    transform: none;
    box-shadow: none;
  }
}
.brands__cell img {
  max-width: 150px;
  max-height: 44px;
  width: auto;
  height: auto;
  object-fit: contain;
  opacity: .88;
  transition: transform var(--duration-med) var(--ease-out), opacity var(--duration-med);
}
@media (hover: hover) and (pointer: fine) {
  .brands__cell:hover {
    border-color: rgba(11, 76, 140, .18);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
  }
  .brands__cell:hover img { transform: scale(1.03); opacity: 1; }
}

/* Product wall + filters */
.products-layout {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
  scroll-margin-top: calc(var(--header-h) + 16px);
}
.products-layout__main { min-width: 0; }

.filter-bar {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: calc(var(--header-h) + 16px);
  align-self: start;
  z-index: 20;
}
.filter-bar__panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.filter-bar__count {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--brand-dark);
  margin: 0;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line-soft);
}
.filter-bar__group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.filter-bar__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--muted);
  margin: 0 0 2px;
  padding: 0 4px;
}
.filter-btn {
  width: 100%;
  height: 40px;
  padding: 0 16px;
  font-size: 14px;
  text-align: left;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition:
    background var(--duration-fast),
    color var(--duration-fast),
    border-color var(--duration-fast),
    box-shadow var(--duration-fast);
}
@media (hover: hover) and (pointer: fine) {
  .filter-btn:hover { border-color: var(--brand); color: var(--brand); box-shadow: var(--shadow-sm); }
}
.filter-btn.is-on {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
  box-shadow: 0 4px 12px -4px rgba(11, 76, 140, .35);
}

.product-wall {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
}
.product-wall__item {
  transition: opacity var(--duration-med) var(--ease-out), transform var(--duration-med) var(--ease-out);
}
.product-wall__item.is-hidden { display: none; }
.product-wall__item.is-enter {
  animation: filterEnter .38s var(--ease-out) both;
}
@keyframes filterEnter {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

.product-card {
  background: #fff;
  border: 0;
  border-radius: 0;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  box-shadow: none;
  transition: background var(--duration-med) var(--ease-soft);
}
@media (hover: hover) and (pointer: fine) {
  .product-card:hover {
    background: var(--bg-alt);
    transform: none;
    box-shadow: none;
  }
  .product-card:hover .product-card__img img { transform: scale(1.02); }
}
.product-card__img {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-card__img a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: inherit;
  text-decoration: none;
}
.product-card__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 18px;
  transition: transform .65s var(--ease-out);
}
.product-card__brand {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 1;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--brand-dark);
  background: rgba(255,255,255,.92);
  border: 1px solid var(--line);
  padding: 4px 10px;
  border-radius: var(--radius);
  backdrop-filter: blur(4px);
}
.product-card__img--ph {
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(255,255,255,.85) 0%, transparent 70%),
    linear-gradient(155deg, #eef4fa 0%, #e2ebf4 48%, #d5e2ef 100%);
  flex-direction: column;
  gap: 6px;
  padding: 28px 20px 20px;
}
.product-card__ph-model {
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 700;
  color: var(--brand-dark);
  letter-spacing: .02em;
  text-align: center;
  line-height: 1.35;
  max-width: 90%;
}
.product-card__ph-note {
  font-size: 11.5px;
  color: var(--muted);
  letter-spacing: .01em;
}
.product-card__body {
  padding: 22px 20px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.product-card__tag {
  align-self: flex-start;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--brand);
  background: var(--brand-soft);
  padding: 4px 10px;
  border-radius: var(--radius);
  margin-bottom: 12px;
}
.product-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
  transition: color .2s;
}
.product-card:hover h3 { color: var(--brand); }
.product-card p {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 16px;
}
.product-card__spec {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  flex: 1;
  align-content: flex-start;
}
.product-card__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.product-card__actions .text-link--muted { color: var(--muted); font-weight: 500; }
.product-card__actions .text-link--muted::after { display: none; }
.product-card__actions .text-link--muted:hover { color: var(--brand); }
.product-card__spec li {
  font-size: 12px;
  color: var(--brand-dark);
  background: var(--bg-alt);
  border-radius: 6px;
  padding: 4px 9px;
  line-height: 1.4;
}

.product-group { margin-bottom: clamp(56px, 8vh, 80px); scroll-margin-top: calc(var(--header-h) + 24px); }
.product-group:last-child { margin-bottom: 0; }
.product-group__head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px 24px;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid transparent;
  border-image: linear-gradient(90deg, var(--line) 0%, var(--line-soft) 60%, transparent 100%) 1;
  position: relative;
}
.product-group__head::after { display: none; }
.product-group__num {
  font-family: var(--font-en);
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--brand);
  background: var(--brand-soft);
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  flex-shrink: 0;
}
.product-group__main { min-width: 0; }
.product-group__head h2 {
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 600;
  color: var(--ink);
  letter-spacing: .01em;
  margin-bottom: 6px;
}
.product-group__head p {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}
.product-group__count {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--muted);
  background: var(--bg-alt);
  padding: 6px 14px;
  border-radius: 999px;
  white-space: nowrap;
  flex-shrink: 0;
}

/* Solutions */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
}
.solution-card {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  background: #fff;
  border: 0;
  border-radius: 0;
  overflow: hidden;
  box-shadow: none;
  transition: background var(--duration-med) var(--ease-soft);
  scroll-margin-top: calc(var(--header-h) + 24px);
}
.solution-card__img {
  min-height: 220px;
  background: var(--bg-alt);
  overflow: hidden;
}
.solution-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .65s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .solution-card:hover { background: var(--bg-alt); transform: none; box-shadow: none; }
  .solution-card:hover .solution-card__img img { transform: scale(1.02); }
}
.solution-card__body {
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
}
.solution-card__body h3 {
  font-size: 20px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: .04em;
  margin-bottom: 12px;
}
.solution-card__body p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 16px;
  flex: 1;
}
.solution-card__list {
  margin-bottom: 18px;
}
.solution-card__list li {
  position: relative;
  padding-left: 14px;
  font-size: 13.5px;
  color: var(--text);
  margin-bottom: 8px;
}
.solution-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
}

/* Cases */
/* Case filter chips: full-pill reserved for interactive filters only */
.case-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.case-filter__btn {
  height: 38px;
  padding: 0 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 100px;
  cursor: pointer;
  transition:
    background var(--duration-fast),
    color var(--duration-fast),
    border-color var(--duration-fast),
    box-shadow var(--duration-fast),
    transform var(--duration-fast);
}
@media (hover: hover) and (pointer: fine) {
  .case-filter__btn:hover { border-color: var(--brand); color: var(--brand); }
}
.case-filter__btn.is-on {
  background: var(--grad-brand);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 18px -6px rgba(11, 76, 140, .5);
}
.case-filter__btn:active { transform: scale(.97); }

.cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); }
.case {
  background: #fff;
  border: 0;
  border-radius: 0;
  overflow: hidden;
  box-shadow: none;
  transition:
    background var(--duration-med) var(--ease-soft),
    opacity var(--duration-med) var(--ease-out);
}
.case.is-hidden { display: none; }
.case.is-enter { animation: filterEnter .38s var(--ease-out) both; }
.cases__empty {
  margin-top: 8px;
  padding: 40px 0;
  text-align: center;
  font-size: 14.5px;
  color: var(--muted);
  animation: filterEnter .35s var(--ease-out) both;
}
.cases__empty a { color: var(--brand); font-weight: 600; }
.case__img { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.case__img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(8,33,58,.4) 100%);
  opacity: 0;
  transition: opacity var(--duration-med);
}
.case__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .65s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .case:hover { background: var(--bg-alt); transform: none; box-shadow: none; }
  .case:hover .case__img::after { opacity: 0; }
  .case:hover .case__img img { transform: scale(1.02); }
}
.case__body { padding: 22px 22px 26px; }
.case__tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--brand);
  background: var(--brand-soft);
  padding: 4px 10px;
  border-radius: var(--radius);
}
.case__body h3 { font-size: 17px; font-weight: 700; color: var(--ink); margin: 12px 0 10px; }
.case__body p { font-size: 13.5px; color: var(--muted); line-height: 1.75; }

/* Benefits / flow / supplies (service page) */
.benefits {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.benefit { background: #fff; padding: 36px 28px; position: relative; transition: background .35s var(--ease-soft); }
.benefit::before {
  content: "";
  position: absolute;
  left: 28px; top: 0;
  width: 48px; height: 3px;
  background: var(--brand);
  transform: scaleX(.7);
  transform-origin: left center;
  transition: transform .4s var(--ease-out);
}
.benefit:hover { background: linear-gradient(180deg, var(--brand-soft) 0%, #fff 72%); }
.benefit:hover::before { transform: scaleX(1.25); }
.benefit h3 { font-size: 18px; font-weight: 700; color: var(--ink); margin-bottom: 12px; }
.benefit p { font-size: 13.5px; color: var(--muted); line-height: 1.8; }

.flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
}
.flow__step { position: relative; padding-right: 24px; }
.flow__step:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 12px; top: 22px;
  width: 24px; height: 2px;
  background: repeating-linear-gradient(90deg, var(--line) 0 5px, transparent 5px 9px);
}
.flow__no {
  display: inline-grid;
  place-items: center;
  width: 46px; height: 46px;
  background: var(--grad-brand);
  color: #fff;
  border-radius: 50%;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
  box-shadow: 0 8px 18px -6px rgba(11, 76, 140, .5);
}
.flow__step h3 { font-size: 18px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.flow__step p { font-size: 13.5px; color: var(--muted); }

.supplies { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.supplies--4 { grid-template-columns: repeat(4, 1fr); }
.supply {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition:
    border-color var(--duration-med),
    transform var(--duration-med) var(--ease-out),
    box-shadow var(--duration-med) var(--ease-soft);
}
.supply__img { aspect-ratio: 3 / 2; overflow: hidden; background: var(--bg-alt); }
.supply__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .65s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .supply:hover {
    border-color: transparent;
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
  }
  .supply:hover .supply__img img { transform: scale(1.06); }
}
.supply__body { padding: 24px 28px 28px; }
.supply h3 { font-size: 19px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.supply p { font-size: 14px; color: var(--muted); }

/* About */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); }
.about__copy h2 { font-size: clamp(26px, 3vw, 34px); font-weight: 700; color: var(--ink); margin-bottom: 18px; }
.about__copy p { color: var(--muted); font-size: 15px; line-height: 1.9; margin-bottom: 14px; }
.about__copy .btn { margin-top: 12px; }

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 28px;
}
.about-stats div {
  padding: 20px 18px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  border-left: 3px solid var(--brand);
  transition: transform .25s, box-shadow .25s;
}
.about-stats div:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.about-stats strong {
  display: block;
  font-size: 24px;
  color: var(--brand-dark);
  margin-bottom: 4px;
}
.about-stats span { font-size: 13px; color: var(--muted); }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 40px;
  align-items: start;
}
.contact-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 36px 32px;
}
.contact-panel h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.contact-list dt {
  font-size: 12px;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: .01em;
  margin-bottom: 6px;
}
.contact-list dd {
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 20px;
  line-height: 1.7;
}
.contact-list a:hover { color: var(--brand); }
.nav-store {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 10px;
  padding: 6px 12px 6px 10px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  transition: background .2s, color .2s, transform .2s;
}
.nav-store__icon { flex-shrink: 0; }
.contact-list a.nav-store:hover {
  background: var(--brand);
  color: #fff;
  transform: translateY(-1px);
}
.contact-cta {
  margin-top: 8px;
  padding: 32px 28px;
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(26,107,184,.55) 0%, transparent 60%),
    linear-gradient(135deg, var(--brand-dark) 0%, var(--brand) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.contact-cta h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}
.contact-cta p {
  font-size: 14px;
  color: rgba(255,255,255,.78);
  margin-bottom: 24px;
  line-height: 1.75;
}
.contact-cta__actions {
  display: flex;
  align-items: center;
  gap: 20px;
}
.wechat-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  padding: 12px 12px 10px;
  background: #fff;
  border-radius: var(--radius);
}
.wechat-qr img {
  width: 132px;
  height: 132px;
  object-fit: contain;
}
.wechat-qr span {
  font-size: 12px;
  font-weight: 600;
  color: var(--brand-dark);
}
.contact-cta__btns {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
  min-width: 0;
}
.contact-cta__btns .btn {
  width: 100%;
  margin: 0;
}

/* CTA */
.cta {
  position: relative;
  background: var(--brand-dark);
  color: #fff;
  overflow: hidden;
}
.cta::before { display: none; }
.cta__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 64px 0;
}
.cta h2 { font-size: clamp(24px, 2.8vw, 36px); font-weight: 500; margin-bottom: 12px; letter-spacing: .01em; }
.cta__en {
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .4);
  margin-bottom: 16px;
}
.cta p { color: rgba(255,255,255,.65); font-size: 15px; max-width: 42em; line-height: 1.8; }

/* Footer */
.footer {
  position: relative;
  background: var(--brand-deep);
  color: rgba(255,255,255,.62);
}
.footer::before { display: none; }
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.6fr;
  gap: 48px;
  padding: clamp(64px, 10vh, 96px) 0 clamp(48px, 6vh, 64px);
  border-top: 1px solid rgba(255, 255, 255, .08);
}
.footer__brand p { margin-top: 18px; font-size: 13.5px; }
.footer__wechat {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding: 8px 8px 10px;
  background: #fff;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius);
}
.footer__wechat img {
  width: 92px;
  height: 92px;
  object-fit: contain;
}
.footer__wechat span {
  font-size: 12px;
  font-weight: 600;
  color: var(--brand-dark);
}
.footer__col h4 { color: #fff; font-size: 14px; font-weight: 700; margin-bottom: 18px; }
.footer__col a, .footer__col p { display: block; font-size: 13.5px; margin-bottom: 12px; color: rgba(255,255,255,.6); }
.footer__col a { transition: color var(--duration-fast), transform var(--duration-fast) var(--ease-out); }
@media (hover: hover) and (pointer: fine) {
  .footer__col a:hover { color: #fff; transform: translateX(4px); }
}
.footer__base {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 22px 0;
}
.footer__base .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer__base p { font-size: 12.5px; color: rgba(255,255,255,.4); }
.footer__base a { color: rgba(255,255,255,.4); text-decoration: none; }
.footer__base a:hover { color: rgba(255,255,255,.7); }

/* To top */
.totop {
  position: fixed;
  /* Sit above Meiqia chat bubble (bottom-right) */
  right: 22px; bottom: 96px;
  width: 46px; height: 46px;
  display: grid; place-items: center;
  background: var(--grad-brand);
  color: #fff;
  border-radius: var(--radius);
  font-size: 18px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(10px) scale(.96);
  pointer-events: none;
  transition:
    opacity var(--duration-med) var(--ease-out),
    transform var(--duration-med) var(--ease-out),
    box-shadow var(--duration-med);
  z-index: var(--z-totop);
}
.totop.show { opacity: 1; transform: none; pointer-events: auto; }
@media (hover: hover) and (pointer: fine) {
  .totop:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
}
.totop:active { transform: translateY(0) scale(.96); }

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
  will-change: opacity, transform;
}
.reveal.in {
  opacity: 1;
  transform: none;
  will-change: auto;
}
/* Stagger cards inside a grid */
.chapters .reveal:nth-child(2) { transition-delay: .06s; }
.chapters .reveal:nth-child(3) { transition-delay: .12s; }
.chapters .reveal:nth-child(4) { transition-delay: .18s; }
.editorial-case-list .reveal:nth-child(2) { transition-delay: .04s; }
.editorial-case-list .reveal:nth-child(3) { transition-delay: .08s; }
.editorial-case-list .reveal:nth-child(4) { transition-delay: .12s; }
.service-rows .reveal:nth-child(2) { transition-delay: .06s; }
.service-rows .reveal:nth-child(3) { transition-delay: .12s; }
.metrics--sparse .reveal:nth-child(2) { transition-delay: .06s; }
.metrics--sparse .reveal:nth-child(3) { transition-delay: .12s; }
.metrics--sparse .reveal:nth-child(4) { transition-delay: .18s; }
.tiles .reveal:nth-child(3),
.cases .reveal:nth-child(3),
.product-wall .reveal:nth-child(3),
.highlights .reveal:nth-child(3),
.brands .reveal:nth-child(3) { transition-delay: .08s; }
.tiles .reveal:nth-child(4),
.cases .reveal:nth-child(4),
.product-wall .reveal:nth-child(4) { transition-delay: .12s; }
.tiles .reveal:nth-child(5),
.product-wall .reveal:nth-child(5) { transition-delay: .12s; }
.tiles .reveal:nth-child(6),
.product-wall .reveal:nth-child(6) { transition-delay: .12s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
    will-change: auto;
  }
  .page-banner > .wrap,
  .hero__slide.is-active::after,
  .hero__slide.is-active .hero__brand,
  .hero__slide.is-active .hero__title,
  .hero__slide.is-active .hero__subtitle,
  .hero__slide.is-active .hero__lead,
  .hero__slide.is-active .hero__actions,
  .hero__dots button.is-on.is-progress::after,
  .product-wall__item.is-enter,
  .case.is-enter,
  .cases__empty,
  .product-tabs__panel.is-enter { animation: none !important; }
  .hero__slide::after { transform: none; }
  .tile:hover,
  .product-card:hover,
  .case:hover,
  .brands__cell:hover,
  .consumable-card:hover,
  .solution-card:hover,
  .supply:hover,
  .btn--primary:hover,
  .btn--white:hover,
  .btn--ghost:hover { transform: none; }
}

/* Responsive */
@media (max-width: 1200px) {
  :root { --header-h: 64px; }
  .header__inner { gap: 12px; }
  .header__tel { display: none; }
  .burger { display: grid; }
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    flex: none;
    height: auto;
    max-height: calc(100dvh - var(--header-h));
    background: #fff;
    z-index: var(--z-nav-overlay);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 16px 40px rgba(10, 37, 64, .12);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-8px);
    transition:
      opacity var(--duration-med) var(--ease-out),
      transform var(--duration-med) var(--ease-out),
      visibility var(--duration-med);
  }
  body[data-page="home"] .header { position: fixed; }
  body[data-page="home"] .nav { background: #fff; }
  body[data-page="home"] .nav.open .nav__inner > a,
  body[data-page="home"] .nav.open .nav__drop > a { color: var(--text); }
  body[data-page="home"] .nav.open .nav__inner > a.is-on,
  body[data-page="home"] .nav.open .nav__drop > a.is-on { color: var(--brand); }
  /* Ensure mobile drawer escapes sticky/fixed header on all pages */
  .header {
    overflow: visible;
  }
  .nav {
    z-index: calc(var(--z-header) + 1);
  }
  .nav.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }
  .nav .nav__inner {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    height: auto;
    padding: 12px 24px 28px;
    gap: 0;
    justify-content: flex-start;
  }
  .nav .nav__inner > a,
  .nav .nav__drop > a {
    justify-content: flex-start;
    height: auto;
    padding: 14px 8px;
    font-size: 16px;
    border-bottom: 1px solid var(--line-soft);
  }
  .nav .nav__inner > a::after,
  .nav .nav__drop > a::after { display: none; }
  .nav .nav__inner > a.is-on,
  .nav .nav__drop > a.is-on { background: rgba(11, 76, 140, .06); }
  .nav .nav__drop { flex: none; width: 100%; }
  .nav .nav__drop::after { display: none; }
  .nav .nav__sub {
    position: static;
    width: auto;
    min-width: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: none;
    border: 0;
    border-bottom: 0;
    box-shadow: none;
    transition:
      max-height var(--duration-med) var(--ease-out),
      opacity var(--duration-fast),
      visibility var(--duration-fast);
  }
  .nav .nav__sub a {
    padding: 12px 8px 12px 24px;
    font-size: 14px;
    text-align: left;
    border-bottom: 1px solid var(--line-soft);
  }
  .nav .nav__drop:hover .nav__sub,
  .nav .nav__drop:focus-within .nav__sub {
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }
  .nav .nav__drop.is-open .nav__sub {
    max-height: 320px;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    border-bottom: 1px solid var(--line-soft);
  }

  .hero {
    min-height: 100dvh;
    height: 100dvh;
  }
  .hero__nav { display: none; }
  .page-banner { min-height: 36vh; padding: 100px 0 56px; }

  .chapters { grid-template-columns: 1fr; }
  .editorial-split { grid-template-columns: 1fr; }
  .editorial-cases { grid-template-columns: 1fr; }
  .editorial-list a { grid-template-columns: 1fr; gap: 8px; }
  .service-row { grid-template-columns: 40px 1fr; }
  .service-row .text-link { grid-column: 2; margin-top: 8px; }
  .metrics { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .metrics > div { border-right: 0; padding: 0; }
  .manifest-head { flex-direction: column; align-items: flex-start; }

  .tiles, .tiles--4 { grid-template-columns: repeat(2, 1fr); }
  .product-wall, .cases, .supplies, .supplies--4 { grid-template-columns: repeat(2, 1fr); gap: 1px; }
  .product-wall, .cases { gap: 16px; }
  .case-filter__chips {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin: 0 -4px;
    padding: 0 4px 4px;
  }
  .case-filter__chips::-webkit-scrollbar { display: none; }
  .case-filter__btn { flex-shrink: 0; }
  .solution-grid { grid-template-columns: 1fr; gap: 1px; }
  .solution-card { grid-template-columns: 1fr 1.2fr; }
  .solution-card__img { min-height: 220px; }
  .solution-card__body { padding: 24px 22px; }
  .benefits { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(2, 1fr); gap: 28px 16px; }

  .products-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .filter-bar {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px 16px;
    margin: 0 -8px;
    padding: 12px 8px;
    background: rgba(255, 255, 255, .96);
    border-bottom: 1px solid var(--line-soft);
    backdrop-filter: blur(8px);
  }
  .filter-bar__panel {
    display: contents;
  }
  .filter-bar__count {
    width: 100%;
    border-bottom: 0;
    padding-bottom: 0;
    margin-bottom: 4px;
  }
  .filter-bar__group {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 10px;
    flex: 1 1 100%;
  }
  .filter-bar__label {
    width: 100%;
    margin: 0;
    padding: 0;
  }
  .filter-btn {
    width: auto;
    height: 38px;
    padding: 0 16px;
    text-align: center;
  }
  .product-group {
    scroll-margin-top: calc(var(--header-h) + 72px);
  }
  .product-group__head {
    grid-template-columns: 44px 1fr;
    gap: 12px 16px;
  }
  .product-group__num {
    width: 44px;
    height: 44px;
    font-size: 22px;
  }
  .product-group__count {
    grid-column: 1 / -1;
    margin-left: 60px;
  }
  .flow__step::after { display: none; }
  .about, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .cta__inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .wrap { width: min(100% - 32px, var(--wrap)); }
  .section { padding: 56px 0; }
  .hero {
    min-height: 100dvh;
    height: 100dvh;
  }
  .hero__title { letter-spacing: .01em; font-size: clamp(28px, 8vw, 36px); }
  .hero__subtitle { letter-spacing: .22em; }
  .header__end .btn { display: none; }
  .page-banner__nav {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin-inline: -16px;
    padding-inline: 16px;
    padding-bottom: 4px;
  }
  .page-banner__nav::-webkit-scrollbar { display: none; }
  .page-banner__pill { flex-shrink: 0; }
  .page-banner__stats { font-size: 12px; }

  .metrics { grid-template-columns: 1fr 1fr; }
  .metrics > div:nth-child(2) { border-right: 0; }
  .metrics > div:nth-child(1), .metrics > div:nth-child(2) { border-bottom: 0; }
  .metrics dt { font-size: 32px; }
  .chapters { grid-template-columns: 1fr; }
  .chapter { padding: 28px 20px; }

  .tiles, .tiles--4, .highlights, .brands,
  .product-wall, .cases, .supplies, .supplies--4, .benefits, .flow,
  .solution-card { grid-template-columns: 1fr; }
  .cases { gap: 16px; }
  .solution-card:nth-child(even),
  .solution-card:nth-child(even) > * { direction: ltr; }
  .solution-card__img { min-height: 200px; }
  .solution-card__body { padding: 24px 20px; }
  .solution-card__actions {
    flex-direction: column;
    align-items: stretch;
  }
  .solution-card__actions .btn--ghost { justify-content: center; }
  .benefits { border: 0; gap: 16px; background: transparent; box-shadow: none; overflow: visible; }
  .benefit { border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
  .highlights { gap: 16px; background: transparent; border: 0; box-shadow: none; overflow: visible; }
  .highlight { border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
  .contact-panel { padding: 28px 22px; }
  .contact-cta__actions {
    flex-direction: column;
    align-items: stretch;
  }
  .contact-cta__btns { width: 100%; }
  .wechat-qr { align-self: center; }
}

/* Product detail page */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 16px 0;
  font-size: 13px;
  color: var(--muted);
  border-bottom: 1px solid var(--line-soft);
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb span[aria-hidden] { color: var(--line); }
.breadcrumb strong { color: var(--ink); font-weight: 600; }

.product-hero { padding: 44px 0 56px; }
.product-hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: start;
}
.product-gallery__main {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}
.product-gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 28px;
  mix-blend-mode: multiply;
  transition: opacity var(--duration-med) var(--ease-soft);
}
.product-gallery__main img.is-fading { opacity: 0; }
.product-gallery__thumbs {
  display: flex;
  gap: 12px;
  margin-top: 14px;
}
.product-gallery__thumbs button {
  width: 76px;
  height: 76px;
  padding: 8px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition:
    border-color var(--duration-fast),
    box-shadow var(--duration-fast),
    transform var(--duration-fast);
}
.product-gallery__thumbs img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
}
.product-gallery__thumbs button.is-on { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
@media (hover: hover) and (pointer: fine) {
  .product-gallery__thumbs button:hover:not(.is-on) {
    border-color: var(--brand-light);
    transform: translateY(-2px);
  }
}
.product-gallery__note { margin-top: 14px; font-size: 12.5px; color: var(--muted); }

.product-hero__info { padding-top: 4px; }
.product-hero__brand {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--brand);
  background: var(--brand-soft);
  padding: 5px 12px;
  border-radius: var(--radius);
  margin-bottom: 16px;
}
.product-hero__info h1 {
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
  line-height: 1.25;
}
.product-hero__model { font-size: 14px; color: var(--muted); margin-bottom: 18px; }
.product-hero__lead { font-size: 15px; color: var(--text); line-height: 1.85; margin-bottom: 24px; }
.product-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}
.product-hero__chips li {
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-dark);
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 9px 14px;
  border-left: 3px solid var(--brand);
}
.product-hero__actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.product-hero__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.product-hero__tags span {
  font-size: 12px;
  color: var(--muted);
  background: var(--bg-alt);
  padding: 4px 10px;
  border-radius: var(--radius);
}

.product-section { padding: 48px 0; border-top: 1px solid var(--line-soft); }
.product-section__head { margin-bottom: 28px; }
.product-section__head h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  position: relative;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--ink);
  display: inline-block;
}
.product-section__head h2::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 44px; height: 2px;
  background: var(--grad-brand);
}
.product-section__desc { margin-top: 10px; font-size: 14px; color: var(--muted); max-width: 46em; }

.product-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.product-tabs__btn {
  height: 40px;
  padding: 0 20px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text);
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition:
    background var(--duration-fast),
    color var(--duration-fast),
    border-color var(--duration-fast),
    box-shadow var(--duration-fast);
}
@media (hover: hover) and (pointer: fine) {
  .product-tabs__btn:hover { border-color: var(--brand); color: var(--brand); }
}
.product-tabs__btn.is-on,
.product-tabs__btn[aria-selected="true"] {
  background: var(--grad-brand);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 18px -6px rgba(11, 76, 140, .45);
}
.product-tabs__panel[hidden] { display: none; }
.product-tabs__panel.is-enter {
  animation: filterEnter .32s var(--ease-out) both;
}
.product-tabs__panel .product-intro {
  font-size: 15px;
  color: var(--text);
  line-height: 1.9;
  max-width: 52em;
  margin-bottom: 28px;
}
.product-tabs__panel .product-intro p + p { margin-top: 14px; }
.product-empty {
  padding: 80px 0;
  text-align: center;
}
.product-empty h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
}
.product-empty p {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 24px;
}
.product-card__img a,
.product-card__body h3 a {
  color: inherit;
  text-decoration: none;
}
.product-card__body h3 a:hover { color: var(--brand); }

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 28px;
}
.feature-list li {
  display: flex;
  gap: 12px;
  font-size: 14.5px;
  color: var(--text);
  line-height: 1.7;
  padding: 4px 0;
}
.feature-list li::before {
  content: "";
  flex-shrink: 0;
  width: 20px; height: 20px;
  margin-top: 2px;
  border-radius: 50%;
  background: var(--brand) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat;
}

.spec-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.spec-table tr { border-bottom: 1px solid var(--line-soft); }
.spec-table tr:last-child { border-bottom: 0; }
.spec-table th, .spec-table td { text-align: left; padding: 13px 18px; vertical-align: top; }
.spec-table th {
  width: 220px;
  color: var(--muted);
  font-weight: 600;
  background: var(--bg-alt);
}
.spec-table td { color: var(--ink); }
.spec-table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.consumables {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.consumable-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  box-shadow: var(--shadow-sm);
  transition:
    box-shadow var(--duration-med) var(--ease-soft),
    transform var(--duration-med) var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .consumable-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
}
.consumable-card__type {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--brand);
  background: var(--brand-soft);
  padding: 3px 10px;
  border-radius: var(--radius);
  margin-bottom: 10px;
}
.consumable-card h4 { font-size: 15.5px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.consumable-card code {
  display: inline-block;
  font-size: 12.5px;
  font-family: "SFMono-Regular", Consolas, monospace;
  color: var(--brand-dark);
  background: var(--bg-alt);
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
}
.consumable-card p { font-size: 13px; color: var(--muted); line-height: 1.65; }
.consumables-note {
  margin-top: 18px;
  font-size: 13px;
  color: var(--muted);
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 14px 18px;
  border-left: 3px solid var(--brand);
}

.related-products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 1024px) {
  .product-hero__grid { grid-template-columns: 1fr; gap: 32px; }
  .feature-list { grid-template-columns: 1fr; }
  .consumables { grid-template-columns: repeat(2, 1fr); }
  .related-products { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .product-hero { padding: 28px 0 40px; }
  .product-gallery__thumbs button { width: 60px; height: 60px; }
  .product-hero__actions { flex-direction: column; align-items: stretch; }
  .spec-table th { width: 130px; padding: 11px 12px; font-size: 13px; }
  .spec-table td { padding: 11px 12px; font-size: 13px; }
  .consumables, .related-products { grid-template-columns: 1fr; }
  .product-section { padding: 36px 0; }
}


/* ========== Cold Luxury redesign overrides ========== */

body {
  font-size: 15.5px;
  background:
    radial-gradient(120% 80% at 0% 0%, rgba(11, 76, 140, .04), transparent 50%),
    radial-gradient(90% 60% at 100% 20%, rgba(14, 18, 24, .03), transparent 45%),
    var(--bg);
}

.btn {
  border-radius: var(--radius);
  font-weight: 600;
  letter-spacing: .02em;
}
.btn--primary {
  background: var(--brand);
  box-shadow: 0 8px 20px -8px rgba(11, 76, 140, .45);
}
.btn--primary:hover {
  background: var(--brand-dark);
  transform: translateY(-1px);
}
.btn--ghost {
  border: 1px solid rgba(255,255,255,.55);
  background: rgba(14, 18, 24, .28);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn--ghost:hover {
  background: rgba(255,255,255,.14);
  border-color: #fff;
}
.btn--white {
  color: var(--ink);
  border-radius: var(--radius);
}
.btn--line {
  border-radius: var(--radius);
  background: var(--surface);
}

.text-link {
  font-weight: 600;
  color: var(--brand);
}
.text-link::after {
  content: " →";
  font-family: var(--font-en);
}

/* Header */
.header {
  background: rgba(250, 251, 252, .96);
  border-bottom: 1px solid transparent;
  /* no backdrop-filter: it creates a containing block and traps mobile fixed nav */
}
.header.is-scrolled,
body:not([data-page="home"]) .header {
  border-bottom-color: var(--line-soft);
  box-shadow: 0 8px 24px rgba(14, 18, 24, .04);
}
.header__inner,
.header__top-inner {
  height: var(--header-h);
}
.logo__text strong {
  font-weight: 600;
  letter-spacing: .02em;
}
.logo__text em {
  font-family: var(--font-en);
  font-style: normal;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-size: 10px;
}
.nav__inner > a,
.nav__drop > a {
  font-weight: 500;
  letter-spacing: .02em;
}
.header__tel {
  border-radius: 999px;
  background: var(--brand-soft);
}
.header__tel-copy em {
  font-family: var(--font-en);
  font-style: normal;
  letter-spacing: .08em;
}

/* Hero — asymmetric left content, brand-first */
.hero {
  min-height: 100dvh;
  background: var(--brand-deep);
}
.hero__content.wrap {
  margin-inline: auto;
  width: min(100% - 48px, var(--wrap));
  max-width: var(--wrap);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: clamp(96px, 14vh, 120px);
  padding-bottom: 80px;
}
.hero__brand {
  font-family: var(--font);
  font-size: clamp(48px, 8vw, 88px);
  font-weight: 600;
  font-style: normal;
  color: #fff;
  letter-spacing: 0;
  line-height: 1.15;
  margin-bottom: 16px;
  max-width: 10em;
  text-shadow: none;
}
.hero__title {
  font-family: var(--font);
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 500;
  font-style: normal;
  letter-spacing: 0;
  line-height: 1.4;
  max-width: 16em;
  margin-bottom: 14px;
}
.hero__subtitle {
  display: none;
}
.hero__lead {
  font-size: 15.5px;
  line-height: 1.7;
  color: rgba(255,255,255,.78);
  max-width: 34em;
  margin-inline: auto;
  margin-bottom: 28px;
  letter-spacing: 0;
}
.hero__actions {
  justify-content: center;
}
.hero__slide::before {
  background:
    linear-gradient(180deg, rgba(14,18,24,.45) 0%, rgba(14,18,24,.28) 42%, rgba(14,18,24,.55) 100%);
}
.hero__nav {
  border-radius: var(--radius);
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(8px);
}
.hero__dots button {
  border-radius: 999px;
}

/* Metrics */
.metrics-wrap {
  background: var(--surface);
  border-bottom: 1px solid var(--line-soft);
  padding: clamp(40px, 7vh, 64px) 0;
}
.metrics--sparse {
  gap: 0;
}
.metrics--sparse > div {
  padding: 8px 24px;
  border-right: 1px solid var(--line-soft);
}
.metrics--sparse > div:last-child { border-right: 0; }
.metrics dt {
  font-family: var(--font-en);
  font-weight: 600;
  font-size: clamp(36px, 4vw, 48px);
  letter-spacing: -.02em;
  color: var(--ink);
}
.metrics dd {
  margin-top: 10px;
  font-size: 13.5px;
}

/* Section rhythm */
.section {
  padding: clamp(88px, 14vh, 140px) 0;
}
.section--alt {
  background: var(--bg-alt);
}
.section--smoke {
  background: var(--bg-smoke);
}

/* Headings — fewer English eyebrows */
.manifest-head h2,
.sec-head h2 {
  font-weight: 600;
  letter-spacing: .01em;
  font-size: clamp(28px, 3vw, 40px);
}
.manifest-head__en,
.cta__en,
.page-banner__en {
  font-family: var(--font-en);
  font-weight: 500;
  letter-spacing: .14em;
  font-size: 11px;
  opacity: .7;
}
.manifest-head__desc,
.sec-desc {
  color: var(--muted);
  max-width: 42em;
}

/* Product chapters as soft bento */
.chapters {
  gap: 16px;
  background: transparent;
  grid-template-columns: 1.15fr 1fr;
  grid-template-rows: auto auto;
}
.chapter {
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 28px;
  gap: 0 20px;
  box-shadow: var(--shadow-sm);
}
.chapter:nth-child(1) {
  grid-row: span 2;
  grid-template-columns: 1fr;
  grid-template-rows: auto auto 1fr;
}
.chapter:nth-child(1) .chapter__num { grid-row: auto; }
.chapter:nth-child(1) .chapter__media,
.chapter:nth-child(1) .chapter__body { grid-column: 1; }
.chapter:nth-child(1) .chapter__media { aspect-ratio: 4 / 3; margin-bottom: 20px; }
.chapter__media {
  border-radius: var(--radius);
  background: var(--bg-alt);
}
/* Knock out white photo backgrounds so product sits on the grey panel */
.chapter__media img {
  mix-blend-mode: multiply;
  padding: 12px;
}
.chapter__num {
  font-family: var(--font-en);
  font-weight: 500;
  color: var(--brand);
}
.chapter__body h3 {
  font-weight: 600;
  letter-spacing: .01em;
}
@media (hover: hover) and (pointer: fine) {
  .chapter:hover {
    border-color: rgba(11, 76, 140, .2);
    box-shadow: var(--shadow-md);
    background: var(--surface);
  }
}

/* Scene rail (solutions home) */
.scene-rail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.scene-rail__item {
  position: relative;
  display: block;
  min-height: 320px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--brand-deep);
}
.scene-rail__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: transform .8s var(--ease-out);
}
.scene-rail__item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(14,18,24,.78) 100%);
}
.scene-rail__body {
  position: relative;
  z-index: 1;
  height: 100%;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  color: #fff;
}
.scene-rail__body h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
}
.scene-rail__body p {
  font-size: 14px;
  color: rgba(255,255,255,.72);
  line-height: 1.65;
  max-width: 28em;
}
@media (hover: hover) and (pointer: fine) {
  .scene-rail__item:hover img { transform: scale(1.05); }
}

/* Brands strip */
.brands--strip {
  border-color: var(--line-soft);
  background: transparent;
}
.brands--strip .brands__cell {
  height: 96px;
  border-color: var(--line-soft);
}
.brands__cell {
  border-radius: var(--radius-lg);
}
.section--brands {
  padding: clamp(40px, 6vh, 64px) 0;
  background: var(--bg-alt);
}
.section--brands .manifest-head { display: none; }

/* Service rows */
.service-rows { border-top-color: var(--line); }
.service-row {
  padding: 36px 0;
  align-items: center;
}
.service-row__num {
  font-family: var(--font-en);
  font-weight: 500;
  color: var(--brand);
}
.service-row__body h3 { font-weight: 600; }

/* Cases */
.editorial-cases {
  gap: 16px;
  background: transparent;
}
.editorial-case {
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.editorial-case--featured .editorial-case__img {
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.editorial-case-list .editorial-case {
  border-radius: 0;
  border: 0;
  border-bottom: 1px solid var(--line-soft);
  background: transparent;
}
.editorial-case-list {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background: var(--surface);
  overflow: hidden;
}
.editorial-case__tag {
  font-family: var(--font-en);
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: 11px;
  color: var(--brand);
}
.editorial-case h3 { font-weight: 600; }

/* Page banner */
.page-banner {
  min-height: 34vh;
  padding: 120px 0 56px;
  background-size: cover;
  background-position: center;
}
.page-banner::before {
  background:
    linear-gradient(105deg, rgba(14,18,24,.78) 0%, rgba(14,18,24,.45) 55%, rgba(14,18,24,.28) 100%);
}
.page-banner h1 {
  font-weight: 600;
  letter-spacing: .01em;
  font-size: clamp(32px, 4vw, 48px);
}
.page-banner p {
  max-width: 36em;
  color: rgba(255,255,255,.78);
}

/* CTA / Footer charcoal */
.cta {
  background: var(--brand-deep);
}
.cta h2 {
  font-weight: 600;
  letter-spacing: .01em;
}
.cta__en { display: none; }
.footer {
  background: #0a0d12;
}
.footer__col h4 {
  font-weight: 600;
  letter-spacing: .02em;
}
.totop {
  border-radius: var(--radius);
  background: var(--brand);
}

/* Solutions page — stacked scene bands */
.solution-grid {
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 3vh, 28px);
  background: transparent;
}
.solution-card {
  grid-template-columns: 1.2fr 1fr;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--duration-med) var(--ease-out),
    box-shadow var(--duration-med) var(--ease-out),
    border-color var(--duration-med) var(--ease-soft);
}
@media (hover: hover) and (pointer: fine) {
  .solution-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--line);
    background: var(--surface);
  }
  .solution-card:hover .solution-card__img img {
    transform: scale(1.04);
  }
}
.solution-card:nth-child(even) {
  direction: rtl;
}
.solution-card:nth-child(even) > * {
  direction: ltr;
}
.solution-card__img {
  position: relative;
  min-height: 280px;
}
.solution-card__img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(14, 18, 24, .12) 0%, transparent 40%);
  pointer-events: none;
}
.solution-card__body {
  padding: clamp(28px, 3vw, 36px) clamp(26px, 3vw, 32px);
}
.solution-card__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}
.solution-card__num {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--brand);
  background: var(--brand-soft);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  flex-shrink: 0;
}
.solution-card__body h3 {
  font-weight: 600;
  letter-spacing: .01em;
  font-size: clamp(18px, 2vw, 22px);
  margin: 0;
}
.solution-card__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}
.solution-card__list li {
  position: relative;
  padding: 5px 12px 5px 22px;
  font-size: 12.5px;
  color: var(--brand-dark);
  background: var(--brand-soft);
  border-radius: 6px;
  margin-bottom: 0;
}
.solution-card__list li::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 2px;
  width: 5px;
  height: 5px;
  background: var(--brand);
}
.solution-card__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: auto;
}
.solution-card .btn--ghost {
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
@media (hover: hover) and (pointer: fine) {
  .solution-card .btn--ghost:hover {
    background: var(--brand-soft);
    border-color: var(--brand);
    color: var(--brand);
    transform: translateY(-1px);
  }
}
.solution-grid .reveal:nth-child(2) { transition-delay: .06s; }
.solution-grid .reveal:nth-child(3) { transition-delay: .12s; }
.solution-grid .reveal:nth-child(4) { transition-delay: .18s; }
.solution-grid .reveal:nth-child(5) { transition-delay: .24s; }
.solution-grid .reveal:nth-child(6) { transition-delay: .3s; }

/* Products */
.product-wall {
  gap: 16px;
  background: transparent;
}
.product-card {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--duration-med) var(--ease-out),
    box-shadow var(--duration-med) var(--ease-out),
    border-color var(--duration-med) var(--ease-soft);
}
@media (hover: hover) and (pointer: fine) {
  .product-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--line);
    background: var(--surface);
  }
  .product-card:hover .product-card__img img {
    transform: scale(1.04);
  }
}
.product-card__img {
  background:
    radial-gradient(ellipse 70% 60% at 50% 45%, rgba(255, 255, 255, .9) 0%, transparent 70%),
    var(--bg-alt);
}
.product-card__img img {
  mix-blend-mode: multiply;
}
.product-card__brand {
  background: rgba(255, 255, 255, .82);
  border-color: rgba(255, 255, 255, .6);
  color: var(--brand-dark);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.product-card__spec li {
  font-size: 11.5px;
  color: var(--brand-dark);
  background: var(--brand-soft);
  border-radius: 6px;
  padding: 4px 9px;
}
.product-card .btn--ghost {
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
@media (hover: hover) and (pointer: fine) {
  .product-card .btn--ghost:hover {
    background: var(--brand-soft);
    border-color: var(--brand);
    color: var(--brand);
    transform: translateY(-1px);
  }
}
.filter-btn {
  border-radius: var(--radius);
  font-weight: 500;
}
.filter-btn.is-on {
  background: var(--brand);
  box-shadow: 0 4px 12px -4px rgba(11, 76, 140, .35);
}

/* Cases page */
.cases {
  gap: 16px;
  background: transparent;
}
.case {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--duration-med) var(--ease-out),
    box-shadow var(--duration-med) var(--ease-out),
    border-color var(--duration-med) var(--ease-soft);
}
@media (hover: hover) and (pointer: fine) {
  .case:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--line);
    background: var(--surface);
  }
  .case:hover .case__img::after {
    opacity: 1;
  }
  .case:hover .case__img img {
    transform: scale(1.04);
  }
}
.case__img::after {
  opacity: .35;
}
.case-filter {
  margin-bottom: 36px;
  padding-bottom: 0;
  border-bottom: 0;
}
.case-filter__panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.case-filter__count {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--brand-dark);
  margin: 0;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line-soft);
}
.case-filter__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.case-filter__btn {
  border-radius: 999px;
  font-weight: 500;
  background: var(--surface);
}
.case-filter__btn.is-on {
  background: var(--brand);
  box-shadow: 0 4px 12px -4px rgba(11, 76, 140, .35);
}
.cases__empty {
  padding: 48px 24px;
  background: var(--bg-alt);
  border: 1px dashed var(--line);
  border-radius: var(--radius-lg);
  margin-top: 16px;
}
.cases .reveal:nth-child(3n+2) { transition-delay: .06s; }
.cases .reveal:nth-child(3n+3) { transition-delay: .12s; }

/* Service page */
.benefits {
  gap: 16px;
  background: transparent;
  border: 0;
  box-shadow: none;
  overflow: visible;
}
.benefit {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 32px 28px;
  transition:
    transform var(--duration-med) var(--ease-out),
    box-shadow var(--duration-med) var(--ease-out),
    border-color var(--duration-med) var(--ease-soft);
}
@media (hover: hover) and (pointer: fine) {
  .benefit:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--line);
    background: linear-gradient(180deg, var(--brand-soft) 0%, var(--surface) 72%);
  }
  .benefit:hover::before { transform: scaleX(1.25); }
}
.benefit::before {
  left: 28px;
  border-radius: 2px;
  width: 28px;
}
.benefit__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--brand);
  background: var(--brand-soft);
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  margin-bottom: 16px;
}
.benefit h3 { font-weight: 600; }
.benefits .reveal:nth-child(2) { transition-delay: .06s; }
.benefits .reveal:nth-child(3) { transition-delay: .12s; }
.benefits .reveal:nth-child(4) { transition-delay: .18s; }

.flow {
  gap: 16px;
}
.flow__step {
  padding: 28px 24px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--duration-med) var(--ease-out),
    box-shadow var(--duration-med) var(--ease-out),
    border-color var(--duration-med) var(--ease-soft);
}
@media (hover: hover) and (pointer: fine) {
  .flow__step:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--line);
  }
}
.flow__step:not(:last-child)::after { display: none; }
.flow__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  padding: 0;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
  box-shadow: none;
  background: var(--brand-soft);
  color: var(--brand);
  margin-bottom: 16px;
}
.flow__step h3 { font-weight: 600; }
.flow .reveal:nth-child(2) { transition-delay: .06s; }
.flow .reveal:nth-child(3) { transition-delay: .12s; }
.flow .reveal:nth-child(4) { transition-delay: .18s; }
.flow .reveal:nth-child(5) { transition-delay: .24s; }

.supplies { gap: 16px; background: transparent; }
.supply {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--duration-med) var(--ease-out),
    box-shadow var(--duration-med) var(--ease-out),
    border-color var(--duration-med) var(--ease-soft);
}
@media (hover: hover) and (pointer: fine) {
  .supply:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--line);
  }
  .supply:hover .supply__img img {
    transform: scale(1.04);
  }
}
.supply__img {
  position: relative;
}
.supply__img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(14, 18, 24, .1) 0%, transparent 45%);
  pointer-events: none;
}
.supply__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--brand);
  background: var(--brand-soft);
  width: 32px;
  height: 32px;
  border-radius: var(--radius);
  margin-bottom: 12px;
}
.supply h3 { font-weight: 600; }
.supplies--4 .reveal:nth-child(2) { transition-delay: .06s; }
.supplies--4 .reveal:nth-child(3) { transition-delay: .12s; }
.supplies--4 .reveal:nth-child(4) { transition-delay: .18s; }
.supplies:not(.supplies--4) .reveal:nth-child(3n+2) { transition-delay: .06s; }
.supplies:not(.supplies--4) .reveal:nth-child(3n+3) { transition-delay: .12s; }

#benefits,
#services,
#flow,
#supplies {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

/* About */
.about__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.about__media img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--duration-slow) var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .about__media:hover img {
    transform: scale(1.02);
  }
}
.about__copy h2 { font-weight: 600; letter-spacing: .01em; }
.about-stats {
  gap: 12px;
}
.about-stats div {
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--brand);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--duration-med) var(--ease-out),
    box-shadow var(--duration-med) var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .about-stats div:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
  }
}
.about-stats strong {
  font-family: var(--font-en);
  font-size: clamp(24px, 2.5vw, 28px);
  font-weight: 600;
  letter-spacing: -.02em;
}
.advantage-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  border-top: 0;
}
.advantage-list__item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px 20px;
  padding: 28px 24px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  border-bottom: 1px solid var(--line-soft);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--duration-med) var(--ease-out),
    box-shadow var(--duration-med) var(--ease-out),
    border-color var(--duration-med) var(--ease-soft);
}
@media (hover: hover) and (pointer: fine) {
  .advantage-list__item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--line);
  }
}
.advantage-list__num {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--brand);
  background: var(--brand-soft);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  padding-top: 0;
  align-self: start;
}
.advantage-list__item h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}
.advantage-list__item p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
  max-width: none;
}
#intro,
#advantages,
#brands {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

/* Contact */
.contact-panel {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--duration-med) var(--ease-out),
    box-shadow var(--duration-med) var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .contact-panel:hover {
    box-shadow: var(--shadow-md);
  }
}
.contact-panel h2 {
  font-weight: 600;
  border-bottom-color: var(--line-soft);
}
.contact-list dt {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.contact-list dt:not(:first-child) {
  margin-top: 4px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}
.contact-list dd {
  margin-bottom: 0;
  padding-bottom: 0;
}
.contact-list__tel {
  font-family: var(--font-en);
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ink);
  transition: color var(--duration-fast);
}
.contact-list__tel:hover {
  color: var(--brand);
}
.contact-list__mail {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
}
.contact-list__mail:hover {
  color: var(--brand);
}
.contact-cta {
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(26, 107, 184, .45) 0%, transparent 60%),
    linear-gradient(135deg, var(--brand-dark) 0%, var(--brand) 100%);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-top: 0;
  padding: clamp(32px, 4vw, 40px) clamp(28px, 3vw, 36px);
}
.contact-cta h3 {
  font-weight: 600;
  font-size: clamp(18px, 2vw, 22px);
}
.wechat-qr {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.contact-cta .btn--white {
  font-weight: 700;
}
.contact-cta .btn--ghost {
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .35);
  color: #fff;
}
@media (hover: hover) and (pointer: fine) {
  .contact-cta .btn--ghost:hover {
    background: rgba(255, 255, 255, .18);
    border-color: rgba(255, 255, 255, .55);
    color: #fff;
  }
}
#info,
#consult,
#contact {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

/* Product detail */
.product-gallery__main,
.product-gallery__thumbs button,
.spec-table-wrap,
.consumable-card {
  border-radius: var(--radius-lg);
}
.product-hero__info h1 { font-weight: 600; }
.product-tabs__btn { border-radius: var(--radius); }
.product-tabs__btn.is-on,
.product-tabs__btn[aria-selected="true"] {
  background: var(--brand);
  box-shadow: 0 8px 18px -6px rgba(11, 76, 140, .4);
}

/* Brands cells soft */
.brands .brands__cell {
  background: var(--surface);
}

@media (max-width: 1200px) {
  .chapters { grid-template-columns: 1fr 1fr; }
  .chapter:nth-child(1) { grid-row: auto; }
  .scene-rail { grid-template-columns: 1fr; }
  .scene-rail__item { min-height: 240px; }
  .solution-card,
  .solution-card:nth-child(even) {
    direction: ltr;
    grid-template-columns: 1fr;
  }
}
@media (max-width: 768px) {
  .advantage-list {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 640px) {
  .chapters { grid-template-columns: 1fr; }
  .hero__brand { font-size: clamp(40px, 12vw, 56px); }
  .hero__content { padding-top: 100px; }
  .advantage-list__item { grid-template-columns: 40px 1fr; gap: 12px 16px; padding: 24px 20px; }
  .advantage-list__num { width: 40px; height: 40px; font-size: 12px; }
}

.scene-rail .reveal:nth-child(2) { transition-delay: .08s; }
.scene-rail .reveal:nth-child(3) { transition-delay: .16s; }
.advantage-list .reveal:nth-child(2) { transition-delay: .06s; }
.advantage-list .reveal:nth-child(3) { transition-delay: .12s; }
.advantage-list .reveal:nth-child(4) { transition-delay: .18s; }


/* Home header stays clear until scroll */
body[data-page="home"] .header:not(.is-scrolled) {
  background: transparent;
  border-bottom-color: transparent;
  box-shadow: none;
}
body[data-page="home"] .header.is-scrolled {
  background: rgba(250, 251, 252, .96);
}

ol.flow{list-style:none;margin:0;padding:0}.flow__step{list-style:none}
.scene-rail .reveal:nth-child(2){transition-delay:.08s}.scene-rail .reveal:nth-child(3){transition-delay:.16s}
.advantage-list .reveal:nth-child(2){transition-delay:.06s}.advantage-list .reveal:nth-child(3){transition-delay:.12s}.advantage-list .reveal:nth-child(4){transition-delay:.18s}