:root {
  --ink: #25282b;
  --muted: #767d83;
  --blue: #89b8dd;
  --light-blue: #eaf4fb;
  --content: 1712px;
  --header-h: 68px;
}

* { box-sizing: border-box; }

html { overflow-x: hidden; scroll-behavior: smooth; }

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: #fff;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }

.section-shell {
  width: min(var(--content), calc(100% - 9vw));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  width: 100%;
  height: var(--header-h);
  padding: 0 5.2vw;
  color: #fff;
  background: rgba(18, 20, 21, .92);
  backdrop-filter: blur(14px);
  transition: background .3s, box-shadow .3s;
}

.site-header.is-scrolled {
  background: rgba(20, 22, 23, .98);
  box-shadow: 0 5px 24px rgba(0, 0, 0, .14);
}

.brand {
  color: #fff;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 21px;
  font-style: italic;
  font-weight: 800;
  letter-spacing: -1.6px;
}

.desktop-nav {
  display: flex;
  align-items: stretch;
  gap: clamp(18px, 1.55vw, 36px);
  height: 100%;
  margin-left: auto;
}

.nav-item {
  position: static;
  display: flex;
  align-items: stretch;
}

.nav-item > a {
  position: relative;
  display: flex;
  align-items: center;
  color: rgba(255,255,255,.78);
  font-size: 14px;
  transition: color .25s;
}

.nav-item > a::after {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  content: "";
  background: #fff;
  transition: width .25s, left .25s;
}

.nav-item > a:hover, .nav-item:hover > a { color: #fff; }
.nav-item > a:hover::after, .nav-item:hover > a::after { left: 0; width: 100%; }

.nav-dropdown {
  position: absolute;
  z-index: 120;
  top: 100%;
  right: 0;
  left: 0;
  color: rgba(255,255,255,.78);
  background: rgba(38,40,41,.98);
  box-shadow: 0 22px 45px rgba(0,0,0,.22);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-12px);
  transition: opacity .28s ease, transform .28s ease;
}

.nav-item:hover .nav-dropdown, .nav-item:focus-within .nav-dropdown { opacity: 1; pointer-events: auto; transform: translateY(0); }
.nav-dropdown--products, .nav-dropdown--compact { padding: 0; background: #303031; }
.product-menu, .solution-menu { width: 100%; margin: 0; color: rgba(255,255,255,.78); border-radius: 0; background: #303031; }
.product-menu { display: grid; grid-template-columns: 1.02fr 1.02fr 1.02fr 1fr 1fr; gap: clamp(25px, 2.8vw, 58px); min-height: 380px; padding: 35px 45px 28px; }
.product-menu-column { display: flex; flex-direction: column; gap: 32px; }
.product-menu-section { display: grid; grid-template-columns: 62px minmax(0,1fr); gap: 20px; align-items: start; }
.menu-category-icon { display: grid; width: 62px; height: 62px; overflow: hidden; place-items: center; border-radius: 9px; background: #414142; }
.menu-category-icon img { width: 92px; max-width: none; height: 108px; object-fit: cover; object-position: center 35%; filter: grayscale(1) brightness(.9); }
.product-menu-section strong { display: block; margin-bottom: 7px; padding-bottom: 10px; color: #fff; border-bottom: 1px solid rgba(255,255,255,.28); font-size: 18px; font-weight: 500; white-space: nowrap; }
.product-menu-section a { display: block; padding: 5px 0; color: rgba(255,255,255,.72); font-size: 13px; white-space: nowrap; transition: color .2s, transform .2s; }
.product-menu-section a:hover { color: #fff; transform: translateX(4px); }
.solution-menu { display: grid; grid-template-columns: 1.05fr 1.05fr 1.45fr .78fr; gap: 32px; min-height: 260px; padding: 34px 44px 30px; }
.solution-menu-card { min-width: 0; }
.solution-menu-card > strong { display: block; min-height: 32px; color: #fff; font-size: 18px; font-weight: 500; white-space: nowrap; }
.solution-menu-card strong small { color: rgba(255,255,255,.7); font-size: 12px; font-weight: 400; }
.solution-menu-card > span, .lifestyle-grid a > span { display: block; overflow: hidden; border-radius: 7px; background: #202226; }
.solution-menu-card > span { aspect-ratio: 1.88; }
.solution-menu-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }
.solution-menu-card:hover > span img, .lifestyle-grid a:hover img { transform: scale(1.055); }
.lifestyle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.lifestyle-grid a > span { aspect-ratio: 1.55; }
.lifestyle-grid b, .lifestyle-grid small { display: block; margin-top: 9px; color: rgba(255,255,255,.8); font-size: 12px; font-weight: 400; }
.lifestyle-grid small { margin-top: 20px; color: rgba(255,255,255,.68); }
.solution-menu-card--tech > span { aspect-ratio: 1.3; }
.nanoe-visual { position: relative; display: grid !important; place-items: center; background: radial-gradient(circle at 47% 48%, #daf8ff 0 12%, #2496d6 34%, #063b70 68%, #032844 100%) !important; }
.nanoe-visual::before, .nanoe-visual::after, .nanoe-visual i { position: absolute; border: 1px solid rgba(255,255,255,.65); border-radius: 50%; content: ""; box-shadow: inset 0 0 22px rgba(255,255,255,.32), 0 0 14px rgba(87,223,255,.5); }
.nanoe-visual::before { width: 68%; aspect-ratio: 1; }
.nanoe-visual::after { top: 13%; right: 15%; width: 18%; aspect-ratio: 1; }
.nanoe-visual i { bottom: 12%; left: 12%; width: 10%; aspect-ratio: 1; }
.nanoe-visual b { position: relative; z-index: 2; color: #fff; font-size: 22px; font-weight: 500; text-shadow: 0 2px 8px #05325c; }
.nanoe-visual b small { display: block; margin-top: 3px; font-family: Arial, sans-serif; font-size: 12px; font-weight: 400; text-align: center; }
.nav-item--list { position: relative; }
.nav-dropdown--list { top: 100%; right: auto; left: 50%; width: 205px; padding: 0 18px; background: #303031; transform: translate(-50%,-12px); }
.nav-item:hover .nav-dropdown--list, .nav-item:focus-within .nav-dropdown--list { transform: translate(-50%,0); }
.nav-dropdown--list a, .header-menu-dropdown a { display: block; padding: 15px 6px; color: rgba(255,255,255,.86); border-bottom: 1px solid rgba(255,255,255,.3); font-size: 15px; text-align: center; white-space: nowrap; transition: color .2s, background .2s; }
.nav-dropdown--list a:last-child, .header-menu-dropdown a:last-child { border-bottom: 0; }
.nav-dropdown--list a:hover, .header-menu-dropdown a:hover { color: #fff; background: rgba(255,255,255,.06); }
.nav-dropdown--support { width: 210px; }
.nav-dropdown--about { width: 205px; }

.header-tools { display: flex; align-items: center; gap: 22px; margin-left: 30px; }
.header-search { position: relative; display: block; }
.header-search input { width: 145px; height: 30px; padding: 0 32px 0 12px; color: #333; border: 0; outline: 0; background: #fff; font-size: 12px; transition: width .3s; }
.header-search input:focus { width: 190px; }
.header-search .search-button { position: absolute; top: 5px; right: 6px; transform: scale(.75); filter: invert(1); }
.search-button, .menu-button { padding: 0; border: 0; background: none; cursor: pointer; }
.search-button { position: relative; width: 21px; height: 21px; }
.search-button::before { position: absolute; inset: 1px 5px 5px 1px; border: 2px solid #fff; border-radius: 50%; content: ""; }
.search-button::after { position: absolute; right: 0; bottom: 2px; width: 8px; height: 2px; content: ""; background: #fff; transform: rotate(45deg); transform-origin: right center; }
.menu-button { display: flex; flex-direction: column; justify-content: center; gap: 4px; width: 24px; height: 24px; }
.menu-button i { display: block; width: 100%; height: 1px; background: #fff; transition: .25s; }
.utility-menu { position: relative; display: flex; height: var(--header-h); align-items: center; }
.header-menu-dropdown { position: absolute; z-index: 125; top: 100%; right: -16px; width: 220px; padding: 0 18px; background: #303031; box-shadow: 0 18px 36px rgba(0,0,0,.2); opacity: 0; pointer-events: none; transform: translateY(-12px); transition: opacity .28s ease, transform .28s ease; }
.utility-menu:hover .header-menu-dropdown, .utility-menu:focus-within .header-menu-dropdown { opacity: 1; pointer-events: auto; transform: translateY(0); }

.hero {
  position: relative;
  height: min(59.22vw, calc(100vh - 24px));
  min-height: 560px;
  margin-top: var(--header-h);
  overflow: hidden;
  background: #6d9970;
}

.hero-slides, .hero-slide { position: absolute; inset: 0; }
.hero-slide { opacity: 0; pointer-events: none; transition: opacity .8s ease; }
.hero-slide.is-active { opacity: 1; pointer-events: auto; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-more {
  position: absolute;
  z-index: 3;
  left: 10.3%;
  top: 65%;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 13px 22px;
  color: #363b3b;
  border-radius: 30px;
  background: #fff;
  font-size: 15px;
  transition: transform .25s, box-shadow .25s;
}
.hero-more:hover { transform: translateY(-3px); box-shadow: 0 9px 25px rgba(0,0,0,.16); }
.hero-dots { position: absolute; z-index: 4; bottom: 28px; left: 50%; display: flex; gap: 8px; transform: translateX(-50%); }
.hero-dots button { width: 8px; height: 8px; padding: 0; border: 1px solid #fff; border-radius: 50%; background: transparent; cursor: pointer; transition: .25s; }
.hero-dots button.is-active { width: 30px; border-radius: 6px; background: #fff; }
.featured {
  position: relative;
  height: clamp(880px, 75.94vw, 1458px);
  min-height: 0;
  overflow: hidden;
  /* Keep the visual full-bleed when the browser is zoomed out or ultra-wide. */
  background: #c5dfef url("切图/b1.png") center top / cover no-repeat;
}

.featured-inner { position: relative; height: 100%; min-height: 0; padding-top: clamp(58px, 5vw, 96px); }
.featured-heading { position: relative; z-index: 2; width: 48%; margin-left: 19.6%; }
.eyebrow { margin: 0 0 11px; color: #70818d; font-size: 13px; font-weight: 600; letter-spacing: .18em; }
.categories .eyebrow, .stores .eyebrow, .content-hub .eyebrow, .news-heading .eyebrow { display: none; }
.featured-heading .eyebrow, .featured-heading > p:last-child { display: none; }
/* The reference uses a low-contrast English label behind the Chinese heading. */
.featured-heading .eyebrow {
  display: block;
  width: 760px;
  margin: 0 0 18px;
  color: rgba(42, 49, 53, .12);
  font-size: 86px;
  font-weight: 300;
  letter-spacing: .18em;
  line-height: .72;
}
.featured-heading h1, .section-title-row h2, .news-heading h2 { margin: 0; font-size: clamp(34px, 3vw, 58px); font-weight: 600; letter-spacing: .08em; }
.featured-heading h1 { font-size: 72px; }
.has-motion .featured-heading.reveal-left { opacity: 0; transform: translateX(-54px); }
.has-motion .featured-heading.reveal-left.is-visible { animation: featuredHeadingIn .7s cubic-bezier(.2,.75,.25,1) both; }
@keyframes featuredHeadingIn { to { opacity: 1; transform: translateX(0); } }
.featured-carousel {
  position: absolute;
  z-index: 1;
  right: 34.2%;
  bottom: 40px;
  left: 0;
  min-height: 750px;
}
.feature-group {
  position: absolute;
  inset: 0 0 42px;
  display: block;
  opacity: 0;
  pointer-events: none;
  transform: translateX(40px);
  transition: opacity .55s ease, transform .55s ease;
}
.feature-group.is-active { opacity: 1; pointer-events: auto; transform: translateX(0); }
.feature-group.is-leaving { transform: translateX(-40px); }
.has-motion .featured-carousel.is-visible .feature-group.is-active .feature-card { animation: featureCardIn .75s cubic-bezier(.2,.75,.25,1) both; }
.has-motion .featured-carousel.is-visible .feature-group.is-active .feature-card:nth-child(2) { animation-delay: .14s; }
.has-motion .featured-carousel.is-visible .feature-group.is-active .feature-card:nth-child(3) { animation-delay: .28s; }
@keyframes featureCardIn { from { opacity: 0; transform: translateX(-54px); } to { opacity: 1; transform: translateX(0); } }
.feature-group .feature-card { position: absolute; overflow: hidden; }
.feature-group .feature-card--wide { top: 0; left: 0; width: 66%; height: auto; }
.feature-group .feature-card:nth-child(2) { bottom: 0; left: 7%; width: 43%; }
.feature-group .feature-card:nth-child(3) { right: 0; bottom: 0; width: 43%; }
.feature-dots { position: absolute; right: 0; bottom: 0; left: 0; display: flex; justify-content: center; gap: 9px; }
.feature-dots button { width: 8px; height: 8px; padding: 0; border: 1px solid #5992b7; border-radius: 50%; background: transparent; cursor: pointer; transition: width .25s, background .25s; }
.feature-dots button.is-active { width: 27px; border-radius: 5px; background: #5992b7; }
.feature-card { overflow: hidden; border-radius: 0 0 26px 26px; box-shadow: 0 14px 30px rgba(68,110,141,.08); transition: transform .35s, box-shadow .35s; }
.feature-card img { width: 100%; height: 100%; object-fit: cover; }
.feature-card:hover { transform: translateY(-8px); box-shadow: 0 22px 38px rgba(52,96,126,.18); }
.feature-card:hover img { transform: scale(1.035); }
.feature-card img { transition: transform .6s ease; }

.solution { position: relative; min-height: 0; overflow: hidden; }
.solution--air { height: clamp(900px, 76.46vw, 1468px); overflow: hidden; background: #8fbee1; }
.air-stage { position: relative; top: 0; height: 100%; min-height: 0; overflow: hidden; background: #8fbee1 url("切图/b2.png") center / cover no-repeat; }
.section-index { position: absolute; z-index: 2; top: 18%; left: 1.2%; display: flex; flex-direction: column; color: rgba(255,255,255,.5); font-weight: 200; line-height: 1; writing-mode: vertical-rl; }
.section-index span { font-size: 66px; letter-spacing: .05em; }
.section-index strong { margin-top: 18px; font-size: 18px; font-weight: 400; letter-spacing: .2em; }
.solution--air .section-index { top: 14%; left: .3%; display: block; color: rgba(255,255,255,.64); writing-mode: initial; }
.solution--air .section-index b { position: absolute; top: 18px; left: -7px; color: rgba(255,255,255,.22); font-family: Arial, sans-serif; font-size: clamp(75px, 7.2vw, 138px); font-weight: 300; letter-spacing: -.06em; line-height: .88; writing-mode: vertical-rl; }
.solution--air .section-index span { display: block; padding-left: clamp(53px, 4.7vw, 90px); font-size: clamp(23px, 2.12vw, 41px); letter-spacing: .08em; line-height: 1.28; writing-mode: vertical-rl; }
.solution--air .section-index strong { display: block; margin: 24px 0 0 clamp(53px, 4.7vw, 90px); font-size: clamp(14px, 1vw, 19px); letter-spacing: .18em; writing-mode: initial; }
.air-copy { position: absolute; z-index: 5; top: 29%; left: 50%; width: min(760px, 78vw); text-align: center; transform: translateX(-50%); }
.air-copy .eyebrow { display: none; }
.air-logo { display: block; width: clamp(168px, 24.17vw, 464px); margin: 0 auto 16px; }
.air-copy h2 { margin: 0; color: #fff; font-size: clamp(42px, 3.96vw, 76px); font-weight: 600; letter-spacing: .02em; text-shadow: 0 3px 16px rgba(42,116,172,.16); }
.air-copy h3 { margin: 22px 0 0; color: #fff; font-size: clamp(18px, 1.56vw, 30px); font-weight: 500; letter-spacing: .1em; }
.solution--air .air-copy h2 { display: none; }
.solution--air .air-copy h3 { margin-top: 28px; font-size: clamp(18px, 1.46vw, 28px); font-weight: 400; letter-spacing: .13em; }
.air-copy > .air-feature-line { margin: 22px 0 0; color: rgba(255,255,255,.8); font-size: clamp(13px, 1.14vw, 22px); line-height: 1.45; letter-spacing: .08em; }
.solution--air .pill-button { margin-top: 46px; padding: 11px 24px; font-size: 14px; }
.air-copy > p:last-of-type { color: rgba(255,255,255,.83); font-size: 19px; line-height: 1.8; }
.pill-button { display: inline-flex; align-items: center; gap: 25px; margin-top: 13px; padding: 14px 25px; border: 1px solid rgba(255,255,255,.9); border-radius: 28px; color: #fff; font-size: 15px; transition: color .25s, background .25s, transform .25s; }
.pill-button:hover { color: #4387b8; background: #fff; transform: translateY(-2px); }
.pill-button span { font-size: 20px; }
.air-orbit { position: absolute; z-index: 3; inset: 8% 13% 7%; }
.air-orbit::before, .air-orbit::after { position: absolute; top: 47%; left: 50%; width: 76%; height: 34%; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; content: ""; transform: translate(-50%,-50%) rotate(-8deg); }
.air-orbit::after { width: 94%; height: 50%; transform: translate(-50%,-50%) rotate(13deg); }
.solution--air .air-orbit { inset: 0; }
.solution--air .air-orbit::before, .solution--air .air-orbit::after { display: none; }
.solution--air .air-orbit::after { display: none; }
.air-decoration, .air-connection { position: absolute; z-index: 0; max-width: none; pointer-events: none; }
/* Rebuild the decorative bubbles from the supplied individual transparent assets. */
.solution--air .air-decoration { height: auto; opacity: 1; transform: scale(1); transform-origin: center; transition: opacity .7s ease, transform .9s cubic-bezier(.2,.75,.25,1.15); }
.solution--air .air-decoration--small-left { top: 16.4%; left: 9%; width: clamp(78px, 6.25vw, 120px); }
.solution--air .air-decoration--small-right { top: 9%; right: 8%; width: clamp(100px, 8vw, 154px); }
.solution--air .air-connection { top: 14.5%; left: 14.2%; width: 71.56%; height: auto; opacity: .58; }
.air-bubble { position: absolute; z-index: 2; filter: drop-shadow(0 16px 18px rgba(51,120,171,.15)); opacity: 1; transform: translateY(0) scale(1); animation: float 5s ease-in-out 1.2s infinite; transition: opacity .65s ease, transform .8s cubic-bezier(.2,.75,.25,1.15), filter .3s; }
.has-motion .air-bubble { opacity: 1; transform: translateY(0) scale(1); animation: float 5s ease-in-out 1.2s infinite; }
.has-motion .solution--air.is-entered .air-bubble { opacity: 1; transform: translateY(0) scale(1); animation: float 5s ease-in-out 1.2s infinite; }
.solution--air.is-entered .air-bubble:nth-of-type(2) { transition-delay: .12s; }
.solution--air.is-entered .air-bubble:nth-of-type(3) { transition-delay: .24s; }
.solution--air.is-entered .air-bubble:nth-of-type(4) { transition-delay: .36s; }
.solution--air.is-entered .air-bubble:nth-of-type(5) { transition-delay: .48s; }
.solution--air.is-entered .air-bubble:nth-of-type(6) { transition-delay: .6s; }
.air-bubble:hover { z-index: 8; animation-play-state: paused !important; filter: drop-shadow(0 18px 25px rgba(41,105,153,.3)); transform: scale(1.1) !important; }
.air-bubble--quiet { top: 16%; right: 12%; left: auto; width: 205px; }
.air-bubble--wind { top: 55%; left: 42%; width: 410px; animation-delay: -.8s; }
.air-bubble--clean { bottom: 16%; left: 10%; width: 270px; animation-delay: -1.6s; }
.air-bubble--oxygen { top: 4%; left: 38%; width: 260px; animation-delay: -2.4s; }
.air-bubble--warm { top: 18%; left: 10%; right: auto; width: 330px; animation-delay: -3.2s; }
.air-bubble--wet { right: 4%; bottom: 15%; width: 336px; animation-delay: -4s; }
.solution--air .air-bubble { filter: drop-shadow(0 14px 17px rgba(43,108,158,.17)); }
.solution--air .air-bubble--quiet { top: 23%; right: 18.7%; width: clamp(132px, 10.8vw, 207px); }
.solution--air .air-bubble--wind { top: 62.5%; left: 39.2%; width: clamp(265px, 21.4vw, 411px); }
.solution--air .air-bubble--clean { top: 48.4%; bottom: auto; left: 13.8%; width: clamp(175px, 14vw, 269px); }
.solution--air .air-bubble--oxygen { top: 9.4%; left: 45.8%; width: clamp(155px, 12.4vw, 238px); }
.solution--air .air-bubble--warm { top: 17%; left: 19.7%; width: clamp(213px, 16.9vw, 325px); }
.solution--air .air-bubble--wet { top: 48.4%; right: 15.4%; bottom: auto; width: clamp(218px, 17.4vw, 334px); }
.air-scenes { position: absolute; z-index: 3; right: 6%; bottom: 2.5%; width: 30%; }
.solution--air .air-scenes { display: none; }

@media (min-width: 901px) {
  /* Keep the six-function composition readable at short desktop heights. */
  .solution--air { min-height: 820px; }
}
.has-motion .solution--air .air-decoration { opacity: 0; transform: scale(.55); }
.has-motion .solution--air.is-entered .air-decoration { opacity: 1; transform: scale(1); }
.has-motion .solution--air.is-entered .air-decoration--small-left { transition-delay: .2s; }
.has-motion .solution--air.is-entered .air-decoration--small-right { transition-delay: .35s; }
.video-light { position: absolute; inset: -35%; background: linear-gradient(115deg, transparent 35%, rgba(255,255,255,.34) 48%, transparent 61%); transform: translateX(-70%); animation: lightSweep 4s ease-in-out infinite; }
@keyframes cinematicZoom { 0% { transform: scale(1.02) translate3d(0,0,0); } 50% { transform: scale(1.12) translate3d(-1.5%,1%,0); } 100% { transform: scale(1.05) translate3d(1%,-1%,0); } }
@keyframes lightSweep { 0%,15% { transform: translateX(-65%); } 75%,100% { transform: translateX(65%); } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }

.solution--water {
  height: clamp(920px, 78.44vw, 1506px);
  min-height: 0;
  z-index: 1;
  overflow: visible;
  background: #99c2e3;
}
.solution--water::before { position: absolute; z-index: 0; inset: 0; content: ""; background: url("切图/b3.png") center top / 100% 100% no-repeat; transform-origin: 24% 73%; }
.solution--water.is-entered::before { animation: none; }
.water-decoration { position: absolute; z-index: 1; width: auto; height: auto; max-width: none; pointer-events: none; }
.water-decoration--left { top: 4%; left: -12%; width: clamp(215px, 16.9vw, 325px); }
.water-decoration--right { top: 1%; right: -8.5%; width: clamp(215px, 16.9vw, 325px); }
.water-decoration--small { top: 3%; left: 31%; width: clamp(55px, 4.3vw, 83px); }
@keyframes waterBreath { 0%,100% { transform: scale(1.01) translate3d(0,0,0); } 50% { transform: scale(1.045) translate3d(-.4%,.3%,0); } }
.water-ripple { position: absolute; z-index: 1; inset: 0; overflow: hidden; pointer-events: none; }
.water-ripple::before, .water-ripple::after { position: absolute; bottom: 17%; left: 24%; width: 250px; height: 90px; border: 2px solid rgba(255,255,255,.36); border-radius: 50%; content: ""; opacity: 0; animation: waterRipple 4s ease-out infinite; }
.water-ripple::after { animation-delay: 2s; }
.solution--water.is-entered .water-ripple::before, .solution--water.is-entered .water-ripple::after { opacity: 1; }
@keyframes waterRipple { 0% { opacity: 0; transform: scale(.35); } 20% { opacity: .65; } 100% { opacity: 0; transform: scale(2.2); } }
.solution--water .section-index { top: 12.1%; left: .3%; display: block; color: rgba(255,255,255,.72); writing-mode: initial; }
.solution--water .section-index b { position: absolute; top: 18px; left: -7px; color: rgba(255,255,255,.22); font-family: Arial, sans-serif; font-size: clamp(75px, 7.2vw, 138px); font-weight: 300; letter-spacing: -.06em; line-height: .88; writing-mode: vertical-rl; }
.solution--water .section-index span { display: block; padding-left: clamp(53px, 4.7vw, 90px); font-size: clamp(28px, 2.12vw, 41px); letter-spacing: .08em; line-height: 1.28; writing-mode: vertical-rl; }
.solution--water .section-index strong { display: block; margin: 24px 0 0 clamp(53px, 4.7vw, 90px); font-size: clamp(15px, 1vw, 19px); letter-spacing: .18em; writing-mode: initial; }
.water-copy { position: absolute; z-index: 3; top: 10.4%; left: 17.4%; color: #fff; }
.water-copy .eyebrow, .water-copy p { display: none; }
.water-copy h2 { margin: 0; font-size: clamp(44px, 3.75vw, 72px); font-weight: 500; letter-spacing: .06em; }
.water-copy h3 { margin: 42px 0 0; color: rgba(255,255,255,.86); font-size: clamp(20px, 1.56vw, 30px); font-weight: 400; line-height: 1.55; letter-spacing: .08em; }
.solution--water .pill-button { margin-top: 26px; }
.water-tagline { position: absolute; z-index: 3; right: 10.8%; bottom: 12.4%; margin: 0; color: rgba(255,255,255,.84); font-size: clamp(16px, 1.25vw, 24px); line-height: 1.55; text-align: center; }
.water-scenes { position: absolute; z-index: 5; right: 7.2%; bottom: -5.8%; display: flex; align-items: flex-end; gap: clamp(15px, 1.3vw, 25px); }
.water-scene { --water-scene-size: clamp(94px, 8.7vw, 167px); display: block; width: var(--water-scene-size); height: var(--water-scene-size); flex: 0 0 var(--water-scene-size); overflow: hidden; border-radius: 50%; background-image: url("切图/1x/5-1.png"); background-repeat: no-repeat; background-size: auto 100%; box-shadow: 0 8px 22px rgba(69,116,151,.1); }
.water-scene--drink { background-position: left center; }
.water-scene--wash { background-position: center center; }
.water-scene--use { background-position: right center; }
.pill-button--light { border-color: rgba(255,255,255,.8); }

.categories { min-height: 0; padding: clamp(90px, 6.25vw, 120px) 0 130px; background: #f0f1f2; }
.section-title-row { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 58px; }
.categories .section-title-row { align-items: center; }
.categories .section-title-row > div { width: 100%; text-align: center; }
.categories .section-title-row .eyebrow { display: none; }
.categories .section-title-row h2 { font-size: 72px; }
.categories .section-title-row .text-link { position: absolute; right: 8.8%; }
.text-link { display: inline-flex; align-items: center; gap: 18px; padding-bottom: 8px; border-bottom: 1px solid #b3b8bc; color: #555d62; font-size: 14px; }
.text-link span { font-size: 18px; }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.product-card { position: relative; overflow: hidden; border-radius: 17px; background: linear-gradient(180deg, #fff 0%, #fff 60%, #eaf0f8 100%); transition: transform .3s, box-shadow .3s; }
.product-card--double { grid-column: span 2; }
.product-card img { width: 100%; height: 100%; object-fit: cover; transition: opacity .45s ease, transform .65s ease; }
.product-card .product-scene { position: absolute; inset: 0; opacity: 0; transform: scale(1.04); }
.product-card:hover .product-photo { opacity: 0; transform: scale(.97); }
.product-card:hover .product-scene { opacity: 1; transform: scale(1); }
.product-card:hover { transform: translateY(-7px); box-shadow: 0 16px 32px rgba(65,77,88,.13); }
/* Preserve the complete water-scene artwork within the single-column tile. */
.product-card--water .product-scene { object-fit: contain; transform: none; background: linear-gradient(180deg, #e8f7fc, #fff); }
.product-card--water:hover .product-scene { transform: none; }

.stores {
  --store-title-h: clamp(110px, 11.9vw, 228px);
  --store-stage-h: 53.85vw;
  --store-gallery-h: 15.07vw;
  --store-dots-h: clamp(36px, 4.4vw, 85px);
  position: relative;
  height: calc(var(--store-title-h) + var(--store-stage-h) + var(--store-gallery-h) + var(--store-dots-h));
  overflow: hidden;
  background: #e9eaeb;
}
.store-design-bg { position: absolute; top: var(--store-title-h); right: 0; left: 0; height: var(--store-stage-h); background: #303031 url("切图/1x/7-1.png") center / 100% 100% no-repeat; }
.store-design-bg::after { display: none; }
.stores-title { position: absolute; z-index: 3; top: calc(var(--store-title-h) * .34); left: 0; display: block; width: 100%; text-align: center; }
.stores-title .eyebrow { display: none; }
.stores-title h2 { margin: 0; color: #2b2d2e; font-size: clamp(40px, 3.75vw, 72px); font-weight: 600; line-height: 1.15; letter-spacing: .08em; }
.stores-content { position: relative; z-index: 2; height: 100%; color: #fff; }
.store-copy { position: absolute; top: calc(var(--store-title-h) + var(--store-stage-h) * .075); left: 0; width: 36%; }
.store-copy .eyebrow { color: rgba(255,255,255,.6); }
.store-copy h2 { margin: 0 0 22px; font-size: clamp(38px, 2.8vw, 54px); font-weight: 500; letter-spacing: .06em; }
.store-copy > p { margin: 0; color: rgba(255,255,255,.72); font-size: clamp(13px, .94vw, 18px); line-height: 1.8; }
.store-stats { display: grid; grid-template-columns: repeat(2, 42%); gap: clamp(24px, 1.56vw, 30px) 8%; margin: clamp(42px, 3.13vw, 60px) 0 25px; }
.store-stats div { display: flex; align-items: baseline; gap: 10px; }
.store-stats strong { font-size: clamp(42px, 2.8vw, 54px); font-weight: 400; }
.store-stats span { color: rgba(255,255,255,.66); font-size: clamp(10px, .68vw, 13px); line-height: 1.35; }
.store-copy > .pill-button { position: absolute; top: 0; right: -55%; min-width: clamp(110px, 7.7vw, 148px); justify-content: center; padding: 10px 16px; color: #35383a; border-color: #fff; background: #fff; font-size: clamp(10px, .73vw, 14px); }
.city-list { position: absolute; top: calc(var(--store-title-h) + var(--store-stage-h) * .26); right: 0; display: flex; flex-direction: column; gap: clamp(14px, .94vw, 18px); width: 37%; }
.city-list span { color: #fff; font-size: clamp(38px, 2.5vw, 48px); }
.city-list p { margin: 8px 0 25px; color: rgba(255,255,255,.8); font-size: clamp(12px, .84vw, 16px); line-height: 1.85; }
.city-list a { font-size: clamp(27px, 1.77vw, 34px); transition: transform .25s; }
.city-list a small { margin-left: 10px; color: rgba(255,255,255,.8); font-size: clamp(10px, .73vw, 14px); font-weight: 400; }
.city-list a:hover { transform: translateX(8px); }
.city-list .city-list-button { position: absolute; top: calc(var(--store-stage-h) * .57); left: 50%; display: inline-flex; flex-direction: row; align-items: center; justify-content: center; gap: 18px; width: clamp(110px, 7.7vw, 148px); min-width: 0; height: clamp(38px, 2.8vw, 54px); margin: 0; padding: 0 16px; color: #35383a; border-color: #fff; border-radius: 999px; background: #fff; font-size: clamp(10px, .73vw, 14px); line-height: 1; white-space: nowrap; }
.city-list .city-list-button span { display: inline; color: inherit; font-size: 16px; line-height: 1; }
.store-gallery { position: absolute; z-index: 3; top: calc(var(--store-title-h) + var(--store-stage-h)); left: 50%; width: 90.5vw; height: var(--store-gallery-h); overflow: hidden; background: #fff; transform: translateX(-50%); }
.store-gallery-track { display: flex; width: 100%; height: 100%; transition: transform .7s cubic-bezier(.22,.61,.36,1); will-change: transform; }
.store-gallery-panel { height: 100%; flex: 0 0 33.333%; background-image: url("切图/1x/7-3.png"); background-repeat: no-repeat; background-size: 300% 100%; }
.store-gallery-panel--1 { background-position: left center; }
.store-gallery-panel--2 { background-position: center center; }
.store-gallery-panel--3 { background-position: right center; }
.store-gallery-dots { position: absolute; z-index: 4; top: calc(var(--store-title-h) + var(--store-stage-h) + var(--store-gallery-h)); right: 0; left: 0; display: flex; height: var(--store-dots-h); align-items: center; justify-content: center; gap: 8px; }
.store-gallery-dots button { width: 7px; height: 7px; padding: 0; border: 0; border-radius: 50%; background: #c7c9ca; cursor: pointer; transition: width .25s, background .25s; }
.store-gallery-dots button.is-active { width: 24px; border-radius: 4px; background: #8b8e91; }

.content-hub { padding: 120px 0 0; background: #fff; }
.content-hub .section-shell { position: relative; }
.content-hub > .section-shell > .section-title-row:first-child { position: absolute; z-index: 2; top: 0; right: 0; left: 0; display: flex; width: auto; align-items: flex-start; justify-content: space-between; }
.content-more { z-index: 5; width: 150px; white-space: nowrap; }
.content-more { padding-bottom: 0; border-bottom: 0; }
.content-more--video { transform: translateY(-48px); }
.video-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 36px; }
.content-hub .video-grid { width: calc(100% - 380px); margin-left: auto; }
.video-card { position: relative; }
.video-thumb { display: block; overflow: hidden; aspect-ratio: 606 / 360; }
.video-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .65s ease; }
.video-card::after { position: absolute; top: 0; right: 0; left: 0; aspect-ratio: 606/360; content: ""; background: rgba(16,32,44,0); transition: background .3s; }
.video-card:hover::after { background: rgba(16,32,44,.2); }
.video-card:hover img { transform: scale(1.05); }
.video-card p { margin: 15px 0 8px; font-size: 19px; }
.video-card time { color: #777e83; font-size: 14px; }
.play { position: absolute; z-index: 2; top: calc((100% - 50px) / 2); left: 50%; display: grid; width: 52px; height: 52px; place-items: center; color: #4f809f; border-radius: 50%; background: rgba(255,255,255,.92); font-size: 14px; transform: translate(-50%,-50%); transition: transform .3s; }
.video-card:hover .play { transform: translate(-50%,-50%) scale(1.12); }
.news-layout { position: relative; display: grid; grid-template-columns: 300px 1fr; gap: 80px; margin-top: 110px; padding-top: 0; border-top: 0; }
.news-heading { z-index: 2; }
.content-more--news { position: absolute; top: -48px; right: 0; margin: 0; }
.news-list { border-top: 1px solid #d9dde0; }
.news-item { display: grid; grid-template-columns: 1fr 360px; gap: 45px; align-items: center; min-height: 245px; padding: 28px 0; border-bottom: 1px solid #d9dde0; }
.news-item h3 { margin: 0 0 14px; font-size: 25px; font-weight: 500; transition: color .25s; }
.news-item:hover h3 { color: #4e95c3; }
.news-item p { margin: 0 0 30px; color: #7b8185; font-size: 14px; }
.news-item time { color: #a3a8ab; font-size: 12px; }
.news-thumb { display: block; width: 360px; height: 205px; overflow: hidden; }
.news-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .65s ease; }
.news-item:hover img { transform: scale(1.055); }
.service-banners { display: grid; gap: 28px; margin: 65px 0 90px; }
.service-banner { overflow: hidden; }
.service-banner img { width: 100%; transition: transform .55s; }
.service-banner:hover img { transform: scale(1.015); }

.site-footer { min-height: 0; color: rgba(255,255,255,.72); background: #6b6d6e; }
.footer-main { position: relative; display: grid; grid-template-columns: 270px 1fr; gap: 70px; padding: 76px 0 28px; }
.footer-brand .brand { font-size: 32px; }
.footer-follow { margin: 46px 0 12px !important; font-size: 13px !important; }
.social-list { display: flex; gap: 12px; }
.social-icon { position: relative; display: block; width: 42px; height: 42px; border-radius: 7px; background-image: url("切图/1x/10-3.png"); background-size: 205px 42px; filter: grayscale(1) brightness(1.3); transition: filter .25s, transform .25s; }
.social-icon:hover { filter: none; transform: translateY(-4px); }
.social-icon--mini { background-position: 0 0; }
.social-icon--wechat { background-position: -54px 0; }
.social-icon--red { background-position: -109px 0; }
.social-icon--douyin { background-position: -163px 0; }
.social-qr { position: absolute; z-index: 10; bottom: calc(100% + 15px); left: 50%; display: flex; flex-direction: column; gap: 8px; align-items: center; width: 150px; padding: 10px; color: #333; background: #fff; box-shadow: 0 10px 25px rgba(0,0,0,.25); font-size: 11px; opacity: 0; pointer-events: none; transform: translate(-50%,10px); transition: opacity .25s, transform .25s; }
.social-qr::after { position: absolute; top: 100%; left: 50%; border: 7px solid transparent; border-top-color: #fff; content: ""; transform: translateX(-50%); }
.social-qr img { width: 110px; }
.social-icon:hover .social-qr, .social-icon:focus .social-qr { opacity: 1; transform: translate(-50%,0); }
.footer-links { display: grid; grid-template-columns: repeat(5, 1fr); gap: 35px; }
.footer-links h3 { margin: 0 0 15px; padding-bottom: 10px; color: #fff; border-bottom: 1px solid rgba(255,255,255,.35); font-size: 15px; font-weight: 500; }
.footer-links a { display: block; margin: 8px 0; font-size: 13px; transition: color .2s; }
.footer-links a:hover { color: #fff; }
.footer-bottom { position: relative; display: flex; align-items: center; justify-content: center; gap: 0; min-height: 58px; margin: 0 4.5vw; padding: 18px 0; color: rgba(255,255,255,.65); border-top: 1px solid rgba(255,255,255,.32); font-size: 11px; }
.footer-bottom span + span::before { margin: 0 9px; color: rgba(255,255,255,.36); content: "|"; }
.footer-region { position: absolute; right: 0; color: rgba(255,255,255,.82); }
.back-top { position: fixed; z-index: 30; right: 26px; bottom: 26px; display: grid; width: 44px; height: 44px; place-items: center; color: #fff; background: #1688c3; font-size: 22px; opacity: 0; pointer-events: none; transform: translateY(10px); transition: .3s; }
.back-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }

.video-modal { position: fixed; z-index: 300; inset: 0; display: grid; padding: 55px; place-items: center; color: #fff; background: rgba(9,14,18,.91); opacity: 0; pointer-events: none; transition: opacity .35s; }
.video-modal.is-open { opacity: 1; pointer-events: auto; }
.video-modal-panel { width: min(1100px, 90vw); transform: translateY(25px) scale(.98); transition: transform .4s ease; }
.video-modal.is-open .video-modal-panel { transform: translateY(0) scale(1); }
.video-modal-screen { position: relative; overflow: hidden; aspect-ratio: 16/9; background: #101b23; }
.video-modal-screen > img, .video-modal-screen video { width: 100%; height: 100%; object-fit: cover; }
.video-modal-screen > img { animation: cinematicZoom 8s ease-in-out infinite; }
.video-modal-screen video:not([src]) { display: none; }
.video-progress { position: absolute; right: 0; bottom: 0; left: 0; height: 3px; background: #4cb3e9; transform: scaleX(0); transform-origin: left; }
.video-modal.is-open .video-progress { animation: videoProgress 8s linear infinite; }
@keyframes videoProgress { to { transform: scaleX(1); } }
.video-modal-panel h2 { margin: 22px 0 6px; font-size: 22px; font-weight: 500; }
.video-modal-panel p { margin: 0; color: rgba(255,255,255,.55); font-size: 12px; }
.video-modal-close { position: absolute; top: 25px; right: 32px; width: 45px; height: 45px; padding: 0; color: #fff; border: 1px solid rgba(255,255,255,.5); border-radius: 50%; background: none; font-size: 28px; cursor: pointer; }

.motion-text { display: block; overflow: hidden; }
.motion-text > span { display: inline-block; }

.reveal, .reveal-left { opacity: 1; transform: none; }
.has-motion .reveal, .has-motion .reveal-left {
  opacity: 1;
  clip-path: none;
  transform: none;
}
/* Content must remain available before an observer has received a scroll event. */
.has-motion .air-copy > *, .has-motion .water-copy > * { opacity: 1; transform: none; }
.has-motion .solution--air.is-entered .air-copy > * { opacity: 1; transform: translateY(0); }
.has-motion .solution--air.is-entered .air-copy > *:nth-child(2) { transition-delay: .12s; }
.has-motion .solution--air.is-entered .air-copy > *:nth-child(3) { transition-delay: .24s; }
.has-motion .solution--air.is-entered .air-copy > *:nth-child(4) { transition-delay: .36s; }
.has-motion .solution--air.is-entered .air-copy > *:nth-child(5) { transition-delay: .48s; }
.has-motion .water-copy.is-visible > * { opacity: 1; transform: translateY(0); }
.has-motion .water-copy.is-visible > *:nth-child(2) { transition-delay: .12s; }
.has-motion .water-copy.is-visible > *:nth-child(3) { transition-delay: .24s; }
.has-motion .water-copy.is-visible > *:nth-child(4) { transition-delay: .36s; }
.has-motion .water-copy.is-visible > *:nth-child(5) { transition-delay: .48s; }

@media (max-width: 1500px) and (min-width: 901px) {
  .product-menu { gap: 18px; padding-right: 25px; padding-left: 25px; }
  .product-menu-section { grid-template-columns: 52px minmax(0,1fr); gap: 13px; }
  .menu-category-icon { width: 52px; height: 52px; }
  .product-menu-section strong { font-size: 16px; }
  .product-menu-section a { font-size: 11px; }
  .solution-menu { gap: 18px; padding-right: 28px; padding-left: 28px; }
  .solution-menu-card > strong { font-size: 16px; }
  .solution-menu-card strong small, .lifestyle-grid b, .lifestyle-grid small { font-size: 10px; }
}

@media (max-width: 1280px) {
  :root { --header-h: 62px; }
  .desktop-nav { gap: 20px; }
  .nav-item > a { font-size: 12px; }
  .header-tools { margin-left: 25px; }
  .header-search input { width: 115px; }
  .featured { height: clamp(760px, 75.94vw, 1200px); }
  .featured-inner { height: 100%; min-height: 0; }
  .featured { background-size: cover; }
  .solution--air { height: clamp(760px, 76.46vw, 1120px); background-size: cover; }
  .solution--water { height: clamp(780px, 78.44vw, 1149px); }
  .featured-carousel { right: 40%; bottom: 55px; min-height: 590px; }
  .feature-group { gap: 15px; }
  .feature-card { border-radius: 0 0 18px 18px; }
  .air-orbit { right: 10%; left: 10%; }
  .store-copy > .pill-button { right: -15%; }
}

@media (max-width: 900px) {
  :root { --header-h: 58px; }
  .section-shell { width: min(100% - 36px, 700px); }
  .site-header { padding: 0 20px; }
  .desktop-nav {
    position: fixed;
    top: var(--header-h);
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    height: auto;
    padding-top: 8vh;
    background: rgba(18,20,21,.98);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: .3s;
  }
  .desktop-nav.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .nav-item { display: block; width: 100%; text-align: center; }
  .nav-item > a { display: block; height: auto; padding: 14px 30px; font-size: 18px; }
  .nav-item > a::after, .nav-dropdown { display: none; }
  .header-tools { margin-left: auto; }
  .header-search { display: none; }
  .header-menu-dropdown { display: none; }
  .menu-button.is-open i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
  .menu-button.is-open i:nth-child(2) { opacity: 0; }
  .menu-button.is-open i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

  .hero { height: 66vw; min-height: 400px; }
  .hero-slide img { object-position: center; }
  .hero-more { display: none; }
  .hero-dots { bottom: 16px; }

  .featured {
    height: auto;
    min-height: auto;
    /* Do not leave the section color exposed when the visual is cropped. */
    background-position: center top;
    background-size: cover;
  }
  .featured-inner { min-height: auto; padding: 70px 0 60px; }
  .featured-heading { width: 78%; margin: 0; }
  .featured-heading > p:last-child { font-size: 15px; }
  .featured-carousel { position: relative; right: auto; left: auto; bottom: auto; min-height: 640px; margin-top: 420px; }
  .feature-group { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .feature-group .feature-card { position: static; }
  .feature-group .feature-card--wide { width: auto; height: auto; grid-column: span 2; grid-row: auto; }
  .feature-group .feature-card:nth-child(2), .feature-group .feature-card:nth-child(3) { width: auto; }

  .solution, .solution--water { min-height: 820px; height: auto; background-size: auto 820px; }
  .solution--air { min-height: 820px; height: auto; }
  .air-stage { position: relative; top: 0; height: 820px; min-height: 620px; background-size: auto 820px; }
  .section-index { display: none; }
  .solution--air .air-copy { top: 11%; width: 90%; }
  .solution--air .air-logo { width: min(52vw, 300px); margin-bottom: 12px; }
  .solution--air .air-feature-line { font-size: 14px; }
  .air-copy h2 { font-size: 52px; }
  .air-copy h3 { font-size: 20px; }
  .solution--air .air-orbit { inset: 25% 4% 12%; }
  .solution--air .air-decoration, .solution--air .air-connection { display: none; }
  .solution--air .air-bubble--wind { top: 55%; left: 42%; width: 155px; }
  .solution--air .air-bubble--quiet { top: 16%; right: 12%; width: 75px; }
  .solution--air .air-bubble--clean { top: auto; bottom: 16%; left: 10%; width: 95px; }
  .solution--air .air-bubble--oxygen { top: 4%; left: 38%; width: 95px; }
  .solution--air .air-bubble--warm { top: 18%; right: auto; left: 10%; width: 105px; }
  .solution--air .air-bubble--wet { top: auto; right: 4%; bottom: 15%; width: 105px; }
  .solution--air .air-scenes { display: block; right: 6%; bottom: 2.5%; width: 43%; }
  .solution--water { background-position: center top; }
  .water-copy { top: 10%; left: 7%; }
  .water-copy h2 { font-size: 48px; }
  .water-scenes { right: 4%; bottom: -1%; gap: 12px; }
  .water-scene { width: min(13vw, 108px); }

  .categories { min-height: auto; padding: 75px 0; }
  .categories .section-title-row .text-link { position: static; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .product-card--double { grid-column: span 2; }

  .stores { --store-title-h: 105px; --store-stage-h: 520px; --store-gallery-h: 134px; --store-dots-h: 30px; }
  .store-design-bg { top: var(--store-title-h); right: 0; bottom: auto; left: 0; height: var(--store-stage-h); background-size: auto 100%; }
  .stores-title { display: block; }
  .stores-title h2 { font-size: 36px; }
  .stores-content { padding-top: calc(var(--store-title-h) + 58px); }
  .store-copy h2 { font-size: 42px; }
  .city-list { margin-top: 32px; }
  .store-gallery { top: calc(var(--store-title-h) + var(--store-stage-h)); height: var(--store-gallery-h); }
  .store-gallery-dots { top: calc(var(--store-title-h) + var(--store-stage-h) + var(--store-gallery-h)); }

  .content-hub { padding-top: 80px; }
  .content-hub > .section-shell > .section-title-row:first-child { position: static; display: flex; width: auto; }
  .content-hub > .section-shell > .section-title-row:first-child .text-link { position: static; width: auto; }
  .content-more--video { transform: none; }
  .content-hub .video-grid { width: auto; margin-left: 0; }
  .video-grid { gap: 22px; }
  .news-layout { grid-template-columns: 1fr; gap: 45px; margin-top: 90px; padding-top: 0; }
  .news-heading { display: flex; align-items: flex-end; justify-content: space-between; }
  .news-heading .text-link { position: static; width: auto; margin-top: 0; }
  .content-more--news { position: static; }
  .service-banners { margin: 90px 0 70px; }
  .footer-main { grid-template-columns: 1fr; gap: 45px; }
  .site-footer { min-height: 0; }
  .footer-bottom { margin: 0 4.5vw; }
  .footer-links { grid-column: auto; grid-row: auto; }
}

@media (max-width: 600px) {
  .brand { font-size: 18px; }
  .search-button { display: none; }
  .hero { height: 72vw; min-height: 300px; }
  .hero-slide img { object-position: 54% center; }

  .featured { background-size: cover; }
  .featured-inner { padding-top: 48px; }
  .featured-heading { width: 100%; }
  .featured-heading h1, .section-title-row h2, .news-heading h2 { font-size: 32px; }
  .featured-heading > p:last-child br { display: none; }
  .featured-carousel { min-height: 485px; margin-top: 310px; }
  .feature-card { border-radius: 0 0 12px 12px; }

  .solution, .solution--water { min-height: 700px; height: auto; background-size: auto 700px; }
  .solution--air { min-height: 700px; height: auto; }
  .air-stage { height: 700px; min-height: 560px; background-size: auto 700px; }
  .solution--air .air-copy { top: 8%; }
  .solution--air .air-logo { width: min(56vw, 240px); margin-bottom: 9px; }
  .solution--air .air-feature-line { font-size: 12px; }
  .air-copy h2 { font-size: 43px; }
  .air-copy h3 { font-size: 17px; }
  .air-copy > p:last-of-type { font-size: 13px; }
  .solution--air .air-orbit { top: 29%; }
  .solution--air .air-decoration, .solution--air .air-connection { display: none; }
  .solution--air .air-bubble--quiet { top: 16%; right: auto; left: 0; width: 75px; }
  .solution--air .air-bubble--wind { top: 55%; left: 33%; width: 125px; }
  .solution--air .air-bubble--clean { top: auto; bottom: 16%; left: 10%; width: 78px; }
  .solution--air .air-bubble--oxygen { top: 4%; left: 38%; width: 80px; }
  .solution--air .air-bubble--warm { top: 18%; right: 1%; left: auto; width: 88px; }
  .solution--air .air-bubble--wet { top: auto; right: 4%; bottom: 15%; width: 90px; }
  .solution--air .air-scenes { display: block; right: 6%; bottom: 2.5%; width: 52%; }
  .water-copy { top: 8%; right: 18px; left: 18px; text-shadow: 0 2px 12px rgba(40,101,141,.24); }
  .water-copy h2 { font-size: 40px; }
  .water-copy h3 { font-size: 19px; }
  .water-copy p { font-size: 13px; }
  .water-scenes { right: 4%; bottom: -1%; gap: 8px; }
  .water-scene { width: min(15vw, 82px); }

  .section-title-row { margin-bottom: 32px; }
  .text-link { gap: 8px; font-size: 12px; }
  .product-grid { gap: 8px; }
  .product-card { border-radius: 10px; }

  .stores { --store-title-h: 90px; --store-stage-h: 450px; --store-gallery-h: 100px; --store-dots-h: 25px; }
  .store-design-bg { top: var(--store-title-h); right: 0; bottom: auto; left: 0; height: var(--store-stage-h); background-size: auto 100%; }
  .stores-title { display: block; }
  .stores-title h2 { font-size: 30px; }
  .stores-content { display: block; padding-top: 125px; }
  .store-copy { width: 100%; }
  .store-copy h2 { font-size: 34px; }
  .store-copy > p { font-size: 14px; }
  .store-stats { grid-template-columns: repeat(2, 125px); gap: 12px 20px; margin-top: 30px; }
  .store-stats strong { font-size: 30px; }
  .city-list { display: none; }
  .store-gallery { top: calc(var(--store-title-h) + var(--store-stage-h)); right: auto; bottom: auto; left: 50%; height: var(--store-gallery-h); }
  .store-gallery-dots { top: calc(var(--store-title-h) + var(--store-stage-h) + var(--store-gallery-h)); }

  .video-grid { grid-template-columns: 1fr; }
  .video-card p { font-size: 16px; }
  .news-heading { align-items: center; }
  .news-item { grid-template-columns: 1fr 105px; gap: 16px; min-height: 135px; padding: 18px 0; }
  .news-item h3 { display: -webkit-box; margin-bottom: 8px; overflow: hidden; font-size: 15px; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
  .news-item p { display: none; }
  .news-thumb { width: 105px; height: 84px; }
  .service-banners { gap: 12px; margin: 70px -18px 50px; }
  .service-banner img { width: auto; max-width: none; height: 126px; object-fit: cover; object-position: center; }

  .footer-main { grid-template-columns: 1fr; padding: 50px 0 40px; }
  .footer-brand { text-align: center; }
  .social-list { justify-content: center; }
  .footer-links { grid-column: auto; grid-row: auto; grid-template-columns: repeat(2, 1fr); text-align: center; }
  .footer-qr { display: none; }
  .back-top { right: 14px; bottom: 14px; }
  .video-modal { padding: 18px; }
  .video-modal-close { top: 12px; right: 12px; }
}

/* Browser zoom can produce a CSS viewport narrower than a phone. Keep a
   usable minimum canvas instead of collapsing grids into a thin column. */
@media (max-width: 360px) {
  html, body { min-width: 360px; overflow-x: auto; }
  .site-header { min-width: 360px; }
  .desktop-nav { min-width: 360px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .has-motion .reveal, .has-motion .reveal-left, .has-motion .air-copy > *, .has-motion .water-copy > * { opacity: 1; clip-path: none; transform: none; }
}