:root{
  --bg: #f6f8fb;
  --bg2:#f6f8fb;
  --section-plain:#f6f8fb;
  --section-soft:#f2f5f9;
  --section-card:#ffffff;
  --card: rgba(255,255,255,.82);
  --card2: rgba(255,255,255,.92);
  --stroke: rgba(16,24,40,.06);
  --text: rgba(17,24,39,.95);
  --muted: rgba(55,65,81,.82);
  --muted2: rgba(75,85,99,.72);
  --shadow: 0 0 0 rgba(0,0,0,0);
  --blur: 18px;
  --radius: 18px;
  --radius2: 24px;
  --max: 1120px;
  --brand: #9be4ff;
  --brand2:#b7ffb3;
  --danger:#ff6b6b;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color:var(--text);
  background: linear-gradient(180deg, var(--bg), var(--bg2));
  letter-spacing:-0.01em;
}

a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}
code{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;}

.container{max-width:var(--max); margin:0 auto; padding:0 24px;}

.skip-link{
  position:absolute;
  left:-9999px;
  top:12px;
  background:#fff;
  color:#000;
  padding:10px 12px;
  border-radius:10px;
  z-index:9999;
}
.skip-link:focus{left:12px}

.site-header{
  position:sticky;
  top:0;
  z-index:100;
  backdrop-filter: blur(6px);
  background: rgba(255,255,255,.9);
  border-bottom: 1px solid rgba(16,24,40,.06);
}

.nav{
  display:grid;
  grid-template-columns:auto 1fr;
  align-items:center;
  padding:14px 0;
  gap:14px;
}
.nav__panel{
  grid-column:2;
  display:flex;
  flex-direction:row;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-width:0;
}
.brand{
  grid-column:1;
  display:flex;
  align-items:center;
  justify-content:flex-start;
  gap:0;
  font-weight:700;
  letter-spacing:-0.02em;
  position:relative;
  overflow:visible;
  line-height:0;
  align-self:center;
}
.logo-feather{
  position:fixed;
  left:0;
  top:0;
  z-index:9997;
  pointer-events:none;
  margin:0;
  will-change: transform;
}
.logo-feather__img{
  display:block;
  width:auto;
  min-width:0;
  height:56px;
  max-height:none;
  object-fit:contain;
  /* Turn yumao1–3 (any hue) into white while keeping PNG alpha */
  filter:
    brightness(0)
    invert(1)
    contrast(1.08)
    drop-shadow(0 1px 4px rgba(255,255,255,.4))
    drop-shadow(0 4px 14px rgba(255,255,255,.32));
}
.brand__mark{
  display:block;
  width:auto;
  height:36px;
  max-height:40px;
  max-width:200px;
  object-fit:contain;
  object-position:center center;
  flex-shrink:0;
  margin:0;
  border:none;
  outline:none;
  box-shadow:none;
  border-radius:0;
  background:transparent;
  align-self:center;
  transform:translateY(2px);
}
.nav__links{
  display:flex;
  gap:8px;
  align-items:center;
  justify-content:center;
  padding:2px;
  border-radius:10px;
  background: transparent;
  border: none;
  flex-wrap:wrap;
  flex:1;
  min-width:0;
}
.lang-switch{
  display:flex;
  align-items:center;
  gap:6px;
  flex-shrink:0;
}
.lang-switch__btn{
  border:1px solid rgba(16,24,40,.08);
  background:#fff;
  color:var(--muted);
  border-radius:8px;
  height:30px;
  min-width:34px;
  font-size:12px;
  cursor:pointer;
}
.lang-switch__btn.is-active{
  color:var(--text);
  background:rgba(16,24,40,.08);
}
.nav__link{
  font-size:13px;
  padding:8px 12px;
  border-radius:8px;
  color:var(--muted);
  transition: all .18s ease;
}
.nav__link:hover{color:var(--text); background: rgba(16,24,40,.05);}
.nav__link[aria-current="page"]{
  color: rgba(10,11,16,.92);
  background: rgba(16,24,40,.08);
}
.nav__right{
  display:flex;
  align-items:center;
  gap:10px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 10px;
  border-radius:8px;
  border:1px solid rgba(16,24,40,.12);
  background: transparent;
  color:var(--muted);
  font-size:12px;
}
.pill__dot{
  width:8px;height:8px;border-radius:50%;
  background: var(--brand);
  box-shadow: 0 0 0 6px rgba(155,228,255,.12);
}

.hero{padding:64px 0 26px}
.hero__grid{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap:28px;
  align-items:center;
}
.eyebrow{
  margin:0 0 10px;
  color: var(--muted);
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.12em;
}
.hero__title{
  margin:0 0 14px;
  font-size:56px;
  line-height:1.02;
  letter-spacing:-0.04em;
}
.hero__subtitle{
  margin:0 0 22px;
  color:var(--muted);
  font-size:16px;
  line-height:1.65;
  max-width:52ch;
}
.hero__cta{display:flex; gap:12px; align-items:center; flex-wrap:wrap;}
.hero__meta{display:flex; gap:10px; margin-top:18px; flex-wrap:wrap;}
.meta-pill{
  background: rgba(255,255,255,.7);
  border:1px solid rgba(16,24,40,.10);
  border-radius:999px;
  padding:10px 12px;
  display:flex;
  gap:10px;
  align-items:baseline;
}
.meta-pill__kpi{font-weight:700}
.meta-pill__label{color:var(--muted2); font-size:12px}

.hero__visual{position:relative}
.hero__glow{
  position:absolute;
  inset:-40px -30px;
  background:
    radial-gradient(260px 220px at 35% 30%, rgba(155,228,255,.28), transparent 60%),
    radial-gradient(260px 220px at 70% 60%, rgba(183,255,179,.22), transparent 60%);
  filter: blur(12px);
  z-index:0;
}
.glass-card{
  position:relative;
  z-index:1;
  background: #fff;
  border:1px solid var(--stroke);
  border-radius: var(--radius2);
  box-shadow: none;
  overflow:hidden;
}
.hero-card__image{
  width:100%;
  height:360px;
  object-fit:cover;
  background: rgba(16,24,40,.04);
}
.hero-card__content{padding:16px 16px 18px}
.hero-card__row{display:flex; justify-content:space-between; gap:10px; align-items:baseline;}
.hero-card__name{margin:0; font-weight:600}
.hero-card__price{margin:0; color:var(--muted); font-size:13px}
.hero-card__desc{margin:8px 0 0; color:var(--muted2); font-size:13px; line-height:1.5}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:42px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid rgba(16,24,40,.14);
  background: rgba(255,255,255,.72);
  color:var(--text);
  font-weight:600;
  font-size:13px;
  transition: transform .12s ease, background .18s ease, border-color .18s ease;
  cursor:pointer;
  user-select:none;
}
.btn:hover{background: rgba(255,255,255,.94); transform: translateY(-1px)}
.btn:active{transform: translateY(0)}
.btn--primary{
  border-color: rgba(76,161,212,.35);
  background: linear-gradient(135deg, rgba(155,228,255,.40), rgba(183,255,179,.30));
}
.btn--ghost{
  background: transparent;
}

.section{
  padding:56px 0;
  background: linear-gradient(180deg, var(--section-plain) 0%, rgba(155,228,255,.08) 50%, var(--section-plain) 100%);
}

/* Home page: stretch content after hero + before footer */
body.home-page #main > section.section:not(.flat-carousel-section){
  padding:68px 0;
}
body.home-page #main > section.section:not(.flat-carousel-section) > .container{
  max-width:1440px;
}

/* Align header container with home-page content */
body.home-page .site-header .container{
  max-width:1440px;
  padding-left:24px;
  padding-right:24px;
}

/* Keep "wide screen" proportions reasonable on home */
body.home-page .home-info__block{
  padding:26px;
}
body.home-page .home-info__block--video{
  padding:0;
}
body.home-page .section-head{
  margin-bottom:26px;
}
.section--alt{
  background: linear-gradient(180deg, var(--section-soft) 0%, rgba(183,255,179,.12) 50%, var(--section-soft) 100%);
}
.section-head{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:18px;
  align-items:end;
  margin-bottom:22px;
}
.section-head--single{
  grid-template-columns: 1fr;
}
.section-head h2{margin:0; font-size:28px; letter-spacing:-.03em}
.section-head p{margin:0; color:var(--muted); line-height:1.6}
.capability-list{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap:10px;
  margin: 0 0 18px;
}
.capability-item{
  margin:0;
  padding:10px 12px;
  background:#fff;
  border:1px solid rgba(16,24,40,.10);
  border-radius:10px;
  color:var(--muted);
  font-size:13px;
}

.grid{display:grid; gap:14px}
.grid--3{grid-template-columns: repeat(3, 1fr)}
.grid--4{grid-template-columns: repeat(4, 1fr)}
.grid--2{grid-template-columns: repeat(2, 1fr)}

.card{
  background: #fff;
  border:1px solid rgba(16,24,40,.04);
  border-radius: var(--radius);
  padding:18px;
  box-shadow:none;
  transition: transform .28s ease, border-color .28s ease;
}
.card__thumb{
  width:100%;
  height:170px;
  object-fit:cover;
  border-radius:12px;
  border:none;
  margin-bottom:12px;
  background:#f3f4f6;
}
.card--tight{padding:16px}
.card__icon{
  width:34px;height:34px;border-radius:12px;
  display:grid; place-items:center;
  font-weight:800;
  color: rgba(10,11,16,.9);
  background: linear-gradient(135deg, rgba(155,228,255,.92), rgba(183,255,179,.84));
  margin-bottom:10px;
}
.card h3{margin:0 0 8px; letter-spacing:-.02em}
.card p{margin:0; color:var(--muted); line-height:1.65}

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:20px;
  align-items:center;
}
.split__copy h2{margin:0 0 10px; font-size:28px; letter-spacing:-.03em}
.split__copy p{margin:0 0 12px; color:var(--muted); line-height:1.65}
.media{
  border-radius: var(--radius2);
  border:1px solid rgba(16,24,40,.06);
  background: rgba(255,255,255,.82);
  box-shadow: none;
  min-height:320px;
  object-fit:cover;
  width:100%;
}

.list{margin:12px 0 0; padding-left:18px; color:var(--muted); line-height:1.7}
.list--compact{margin-top:10px; line-height:1.6}

.link{
  display:inline-flex;
  margin-top:14px;
  color: rgba(155,228,255,.92);
  font-weight:600;
}
.link:hover{text-decoration:underline}

.reveal-text{
  opacity:0;
  transform: translateY(16px);
  transition: opacity .8s ease, transform .8s ease;
  will-change: opacity, transform;
}
.reveal-text.is-visible{
  opacity:1;
  transform: translateY(0);
}

.page-hero{padding:44px 0 10px}
.page-hero h1{
  margin:0 0 12px;
  font-size:44px;
  letter-spacing:-.04em;
  line-height:1.06;
}
.lede{margin:0; color:var(--muted); line-height:1.7; max-width:70ch}

.mini h3{margin:0 0 6px; font-size:14px}
.mini p{margin:0; color:var(--muted); line-height:1.65; font-size:13px}

.steps{margin:0; padding:0; list-style:none; display:grid; gap:12px}
.steps__item{
  display:flex;
  gap:14px;
  align-items:flex-start;
  background: rgba(255,255,255,.72);
  border:1px solid rgba(16,24,40,.06);
  border-radius: var(--radius);
  padding:16px;
}
.steps__num{
  width:34px; height:34px; border-radius:12px;
  display:grid; place-items:center;
  background: rgba(255,255,255,.86);
  border:1px solid rgba(16,24,40,.06);
  font-weight:700;
}
.steps__item h3{margin:0 0 6px}
.steps__item p{margin:0; color:var(--muted); line-height:1.6}

.service{
  background: #fff;
  border:1px solid rgba(16,24,40,.06);
  border-radius: var(--radius);
  padding:18px;
  transition: transform .28s ease, border-color .28s ease;
}
.service h3{margin:0 0 8px}
.service p{margin:0; color:var(--muted); line-height:1.65}

.contact-grid{
  display:grid;
  grid-template-columns: 1.25fr .75fr;
  gap:16px;
  align-items:start;
}
.contact-card{padding:18px}
.contact-card__title{margin:0 0 6px; letter-spacing:-.03em}
.contact-card__subtitle{margin:0 0 16px; color:var(--muted); line-height:1.6}
.form{display:grid; gap:12px}
.form__row{display:grid; grid-template-columns: 1fr 1fr; gap:12px}
.field{display:grid; gap:8px}
.field__label{font-size:12px; color:var(--muted2); letter-spacing:.06em; text-transform:uppercase}
.field__input{
  width:100%;
  border-radius: 14px;
  border:1px solid rgba(16,24,40,.16);
  background: rgba(255,255,255,.92);
  color:var(--text);
  padding:12px 12px;
  outline:none;
}
.field__input:focus{
  border-color: rgba(155,228,255,.45);
  box-shadow: 0 0 0 4px rgba(155,228,255,.10);
}
.field__input--textarea{resize:vertical; min-height:140px}
.field__error{min-height:16px; color: var(--danger); font-size:12px}
.form__actions{display:flex; gap:10px; flex-wrap:wrap; margin-top:4px}
.form__status{min-height:20px; color: var(--muted); font-size:13px; line-height:1.5}

.contact-aside{display:grid; gap:12px}
.muted{color:var(--muted); margin:0; line-height:1.65}

.footer{
  padding:26px 0 34px;
  margin-top:38px;
  background: linear-gradient(180deg, rgba(155,228,255,.06) 0%, rgba(255,255,255,0) 60%);
}

.home-info{
  display:grid;
  gap:20px;
  grid-template-columns: 1fr 1.2fr;
  align-items:stretch;
}
.home-info__block{
  background:var(--section-card);
  border:1px solid rgba(16,24,40,.04);
  border-radius:16px;
  padding:22px;
}
.home-info__block--video{
  padding:0;
  overflow:hidden;
}
.home-info__block h2{
  margin:0 0 8px;
  font-size:24px;
  letter-spacing:-.02em;
}
.slogan-cn{
  margin:0 0 8px;
  font-size:24px;
  font-weight:600;
  letter-spacing:.02em;
}
.slogan-en{
  margin:0;
  color:var(--muted);
  font-size:28px;
  line-height:1.25;
  letter-spacing:-.02em;
}
.home-info__text{
  margin-top:14px;
  max-width:56ch;
}
.company-name{
  margin:0 0 8px;
  font-size:18px;
  font-weight:600;
}

.flat-carousel-section{padding:0 !important; margin:0 !important}
.full-bleed{
  width:100vw;
  margin-left:calc(50% - 50vw);
  margin-right:calc(50% - 50vw);
}
.carousel{
  background:var(--section-plain);
  border:none;
  border-radius:0;
  padding:0;
  position:relative;
}

.flat-carousel-section + .section--alt{
  border-top:none;
}
.carousel__track{
  position:relative;
  overflow:hidden;
  border-radius:0;
  min-height:620px;
}
.carousel__slide{
  display:none;
  opacity:0;
}
.carousel__slide.is-active{
  display:block;
  opacity:1;
  animation: fadeInSlide .5s ease;
}
.carousel__slide img{
  width:100%;
  height:620px;
  object-fit:cover;
  border-radius:0;
  border:none;
  background:#f3f4f6;
}
.carousel__btn{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  width:36px;
  height:36px;
  border-radius:8px;
  border:none;
  background:rgba(255,255,255,.7);
  color:#111827;
  cursor:pointer;
}
.carousel__btn--prev{left:20px}
.carousel__btn--next{right:20px}
.carousel__dots{
  display:flex;
  justify-content:center;
  gap:8px;
  margin-top:0;
  padding:7px 12px;
  background:rgba(255,255,255,.82);
  border:1px solid rgba(255,255,255,.95);
  border-radius:999px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  bottom:18px;
  z-index:3;
}
.carousel__dot{
  width:8px;
  height:8px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.8);
  padding:0;
  cursor:pointer;
  background:rgba(16,24,40,.22);
  transition: transform .2s ease, background-color .2s ease;
}
.carousel__dot.is-active{
  background:rgba(16,24,40,.78);
}
.carousel__dot:hover{
  transform: scale(1.25);
  background:rgba(16,24,40,.55);
}

.company-video{
  width:100%;
  aspect-ratio:16 / 9;
  border-radius:12px;
  border:1px solid rgba(16,24,40,.05);
  background:#f9fafb;
}
.video-wrap{
  width:100%;
}
.home-info__block--video .video-wrap{
  position:relative;
  width:100%;
  aspect-ratio:16 / 9;
  min-height:0;
  height:auto;
}
.home-info__block--video .company-video{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  aspect-ratio:auto;
  border:none;
  border-radius:0;
  background:#0b1220;
}

.business-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:16px;
}
.business-item{
  background:#fff;
  border:1px solid rgba(16,24,40,.04);
  border-radius:12px;
  padding:12px;
  transition: transform .28s ease, border-color .28s ease;
}
.business-item__image{
  width:100%;
  height:170px;
  object-fit:cover;
  border-radius:10px;
  margin-bottom:10px;
}
.business-item h3{
  margin:0 0 6px;
  font-size:18px;
}
.business-item p{
  margin:0;
  color:var(--muted);
}

.products-carousel{
  position:relative;
  margin-top:8px;
}
.products-carousel__stage{
  position:relative;
  height:620px;
  width:100%;
  margin:0 auto;
  perspective: 1200px;
  overflow: hidden;
}
.products-carousel__card{
  position:absolute;
  left:50%;
  top:52%;
  width: min(480px, 92vw);
  transform-style:flat;
  opacity:0;
  pointer-events:none;
  transition: transform .55s cubic-bezier(.2,.85,.2,1), opacity .25s ease, filter .35s ease;
  background:#fff;
  border-radius:16px;
  box-shadow: 0 18px 60px rgba(15,23,42,.10);
}
.products-carousel__stage::before{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  width: 660px;
  height: 660px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle at center, rgba(155,228,255,.26), rgba(255,255,255,0) 60%);
  pointer-events:none;
}
.products-card{
  background:#fff;
  border:1px solid rgba(16,24,40,.04);
  border-radius:16px;
  padding:20px;
  overflow:hidden;
}

.products-card h3{
  margin:0 0 6px;
  font-size:18px;
  letter-spacing:-.02em;
}
.products-card p{
  margin:0;
  color:var(--muted);
  line-height:1.6;
  font-size:13px;
  max-width:36ch;
}
.products-carousel__card .card__thumb{
  height:270px;
  border-radius:14px;
}
.products-carousel__btn{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  width:46px;
  height:46px;
  border-radius:12px;
  border:1px solid rgba(16,24,40,.08);
  background: rgba(255,255,255,.85);
  color: #111827;
  cursor:pointer;
  z-index:4;
}
.products-carousel__btn--prev{left:14px}
.products-carousel__btn--next{right:14px}
.products-carousel__dots{
  display:flex;
  justify-content:center;
  gap:10px;
  margin-top:0;
  position:absolute;
  left:50%;
  bottom:22px;
  transform: translateX(-50%);
  z-index:5;
}
.products-carousel__dot{
  width:10px;
  height:10px;
  border-radius:999px;
  border: 1px solid rgba(16,24,40,.12);
  cursor:pointer;
  background: rgba(255,255,255,.92);
  box-shadow: 0 8px 24px rgba(15,23,42,.06);
  transition: transform .2s ease, background-color .2s ease, box-shadow .2s ease, filter .2s ease, border-color .2s ease;
}
.products-carousel__dot:hover{
  transform: translateY(-1px) scale(1.15);
}

.products-carousel__dot:focus-visible{
  outline: 3px solid rgba(155,228,255,.35);
  outline-offset: 3px;
}

/* Individual dot accents (data-dot-idx comes from index.html) */
.products-carousel__dot[data-dot-idx="0"].is-active{
  background: rgba(155,228,255,.98);
  border-color: rgba(155,228,255,.55);
  box-shadow: 0 0 0 4px rgba(155,228,255,.18), 0 16px 44px rgba(155,228,255,.20);
}
.products-carousel__dot[data-dot-idx="1"].is-active{
  background: rgba(183,255,179,.98);
  border-color: rgba(183,255,179,.55);
  box-shadow: 0 0 0 4px rgba(183,255,179,.18), 0 16px 44px rgba(183,255,179,.20);
}
.products-carousel__dot[data-dot-idx="2"].is-active{
  background: rgba(210,180,255,.98);
  border-color: rgba(210,180,255,.55);
  box-shadow: 0 0 0 4px rgba(210,180,255,.18), 0 16px 44px rgba(210,180,255,.20);
}
.products-carousel__dot[data-dot-idx="3"].is-active{
  background: rgba(255,200,140,.98);
  border-color: rgba(255,200,140,.55);
  box-shadow: 0 0 0 4px rgba(255,200,140,.18), 0 16px 44px rgba(255,200,140,.20);
}

/* Featured Piano Products: clear keybed selector */
.products-feature{
  margin-top:10px;
  border-radius:18px;
  background: rgba(255,255,255,.55);
  border:1px solid rgba(16,24,40,.04);
  overflow:hidden;
  position:relative;
}
.products-feature > input{
  position:absolute;
  left:-9999px;
}
.products-feature__grid{
  display:grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap:0;
}
.products-feature__keys{
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:10px;
  position:relative;
  overflow:hidden;
  border-right:1px solid rgba(16,24,40,.05);
}
.products-feature__key{
  cursor:pointer;
  user-select:none;
  padding:14px 14px;
  border-radius:14px;
  background:#fff;
  border:1px solid rgba(16,24,40,.06);
  display:flex;
  align-items:center;
  gap:12px;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
  min-height:54px;
  position:relative;
  overflow:hidden;
}
.products-feature__key-num{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:22px;
  font-size:12px;
  font-weight:800;
  color: rgba(10,11,16,.86);
  text-align:center;
  border-radius:999px;
  background: rgba(155,228,255,.12);
  border:1px solid rgba(155,228,255,.30);
  padding:0;
}

.products-feature__key-num::after{
  content:"";
  position:absolute;
  top:-10px;
  left:62%;
  width:2px;
  height:12px;
  background: rgba(155,228,255,.75);
  border-radius:2px;
  opacity:0;
}
.products-feature__key-label{
  font-weight:700;
  letter-spacing:-.02em;
  color: rgba(10,11,16,.88);
}
.products-feature__key:hover{
  transform: translateY(-2px);
  border-color: rgba(16,24,40,.12);
}

.products-feature__keys::before{
  content:"";
  position:absolute;
  left:10px;
  right:10px;
  top:8px;
  bottom:8px;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(16,24,40,.12) 0px,
      rgba(16,24,40,.12) 1px,
      transparent 1px,
      transparent 10px
    );
  opacity:.38;
  pointer-events:none;
}

.products-feature__key::before{
  content:"";
  position:absolute;
  inset:0;
  background: radial-gradient(circle at 20% 10%, rgba(155,228,255,.20), transparent 60%);
  opacity:.70;
  pointer-events:none;
}

.products-feature__key:nth-child(2),
.products-feature__key:nth-child(4){
  background:#fff;
  border-color: rgba(16,24,40,.06);
}
.products-feature__panels{
  position:relative;
  min-height:520px;
  background: linear-gradient(180deg, rgba(255,255,255,.55), rgba(255,255,255,.25));
  overflow:hidden;
}

.products-feature__panels::before{
  content:"";
  position:absolute;
  inset:-20px;
  background: radial-gradient(circle at 18% 22%, rgba(155,228,255,.35), transparent 56%);
  opacity:0;
  transition: opacity .35s ease;
  pointer-events:none;
  z-index:0;
}

.products-feature__panels::after{
  content:"";
  position:absolute;
  top:-35%;
  left:-55%;
  width:70%;
  height:170%;
  background: linear-gradient(115deg, transparent 0%, rgba(255,255,255,.78) 50%, transparent 100%);
  opacity:0;
  pointer-events:none;
  z-index:3;
  transform: translateX(-160%) rotate(20deg);
}

@keyframes products-sweep{
  0%{ transform: translateX(-160%) rotate(20deg); }
  100%{ transform: translateX(230%) rotate(20deg); }
}
.product-panel{
  position:absolute;
  inset:0;
  opacity:0;
  transform: translateX(10px) scale(.99);
  transition: opacity .35s ease, transform .55s cubic-bezier(.2,.85,.2,1);
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.product-panel__img{
  width:100%;
  height:340px;
  object-fit:cover;
  border-radius:16px;
  border:1px solid rgba(16,24,40,.06);
}
.product-panel h3{
  margin:0;
  font-size:20px;
  letter-spacing:-.02em;
}
.product-panel p{
  margin:0;
  color:var(--muted);
  line-height:1.7;
  max-width:56ch;
}

/* checked -> active panel + active key */
#prod-0:checked ~ .products-feature__grid .products-feature__panels .product-panel[data-panel="0"],
#prod-1:checked ~ .products-feature__grid .products-feature__panels .product-panel[data-panel="1"],
#prod-2:checked ~ .products-feature__grid .products-feature__panels .product-panel[data-panel="2"],
#prod-3:checked ~ .products-feature__grid .products-feature__panels .product-panel[data-panel="3"]{
  opacity:1;
  transform: translateX(0) scale(1);
  z-index:2;
}
#prod-0:checked ~ .products-feature__grid .products-feature__keys label[for="prod-0"],
#prod-1:checked ~ .products-feature__grid .products-feature__keys label[for="prod-1"],
#prod-2:checked ~ .products-feature__grid .products-feature__keys label[for="prod-2"],
#prod-3:checked ~ .products-feature__grid .products-feature__keys label[for="prod-3"]{
  border-color: rgba(16,24,40,.14);
  background: rgba(155,228,255,.10);
  transform: translateY(-1px);
  box-shadow: 0 14px 34px rgba(155,228,255,.16);
}

#prod-0:checked ~ .products-feature__grid .products-feature__panels::before,
#prod-1:checked ~ .products-feature__grid .products-feature__panels::before,
#prod-2:checked ~ .products-feature__grid .products-feature__panels::before,
#prod-3:checked ~ .products-feature__grid .products-feature__panels::before{
  opacity:1;
}

#prod-0:checked ~ .products-feature__grid .products-feature__panels::after,
#prod-1:checked ~ .products-feature__grid .products-feature__panels::after,
#prod-2:checked ~ .products-feature__grid .products-feature__panels::after,
#prod-3:checked ~ .products-feature__grid .products-feature__panels::after{
  opacity:1;
  animation: products-sweep .85s ease both;
}

/* Sheet-note checked styling */
#prod-0:checked ~ .products-feature__grid .products-feature__keys label[for="prod-0"] .products-feature__key-num,
#prod-1:checked ~ .products-feature__grid .products-feature__keys label[for="prod-1"] .products-feature__key-num,
#prod-2:checked ~ .products-feature__grid .products-feature__keys label[for="prod-2"] .products-feature__key-num,
#prod-3:checked ~ .products-feature__grid .products-feature__keys label[for="prod-3"] .products-feature__key-num{
  background: rgba(155,228,255,.20);
  border:1px solid rgba(155,228,255,.45);
  box-shadow: 0 10px 30px rgba(155,228,255,.22);
}

#prod-0:checked ~ .products-feature__grid .products-feature__keys label[for="prod-0"] .products-feature__key-num::after,
#prod-1:checked ~ .products-feature__grid .products-feature__keys label[for="prod-1"] .products-feature__key-num::after,
#prod-2:checked ~ .products-feature__grid .products-feature__keys label[for="prod-2"] .products-feature__key-num::after,
#prod-3:checked ~ .products-feature__grid .products-feature__keys label[for="prod-3"] .products-feature__key-num::after{
  opacity:1;
}

#prod-0:checked ~ .products-feature__grid .products-feature__keys label[for="prod-0"] .products-feature__key-label,
#prod-1:checked ~ .products-feature__grid .products-feature__keys label[for="prod-1"] .products-feature__key-label,
#prod-2:checked ~ .products-feature__grid .products-feature__keys label[for="prod-2"] .products-feature__key-label,
#prod-3:checked ~ .products-feature__grid .products-feature__keys label[for="prod-3"] .products-feature__key-label{
  color: rgba(10,11,16,.88);
}

/* Company Services: clear service step selector */
.services-feature{
  margin-top:12px;
  border-radius:18px;
  background: rgba(255,255,255,.35);
  border:1px solid rgba(16,24,40,.04);
  overflow:hidden;
  position:relative;
}
.services-feature > input{
  position:absolute;
  left:-9999px;
}
.services-feature__grid{
  display:grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap:0;
}
.services-feature__keys{
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:10px;
  background: rgba(255,255,255,.25);
}
.services-feature__key{
  cursor:pointer;
  user-select:none;
  padding:14px 14px;
  border-radius:14px;
  background:#fff;
  border:1px solid rgba(16,24,40,.06);
  display:flex;
  gap:12px;
  align-items:flex-start;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
  min-height:54px;
}
.services-feature__key:hover{
  transform: translateY(-2px);
  border-color: rgba(16,24,40,.12);
}
.services-feature__key-num{
  width:40px;
  flex:0 0 auto;
  font-size:12px;
  font-weight:800;
  color: rgba(10,11,16,.6);
  border-radius:10px;
  text-align:center;
  padding:7px 0;
  background: rgba(155,228,255,.14);
  border:1px solid rgba(155,228,255,.26);
}
.services-feature__key-text{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.services-feature__key-title{
  font-weight:800;
  letter-spacing:-.02em;
}
.services-feature__key-sub{
  color: var(--muted);
  font-size:13px;
  line-height:1.4;
}

.services-feature__panels{
  position:relative;
  min-height:520px;
  background: linear-gradient(180deg, rgba(255,255,255,.55), rgba(255,255,255,.22));
}
.services-feature__panel{
  position:absolute;
  inset:0;
  opacity:0;
  transform: translateY(10px) scale(.99);
  transition: opacity .35s ease, transform .55s cubic-bezier(.2,.85,.2,1);
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.services-feature__panel-img{
  width:100%;
  height:340px;
  object-fit:cover;
  border-radius:16px;
  border:1px solid rgba(16,24,40,.06);
}
.services-feature__panel-sub{
  margin:0;
  color: var(--muted);
  font-size:14px;
}
.services-feature__list{
  margin:6px 0 0;
  padding-left:18px;
  color: var(--muted);
  line-height:1.8;
}

/* checked -> active panel + active key */
#svc-0:checked ~ .services-feature__grid .services-feature__panels .services-feature__panel[data-panel="0"],
#svc-1:checked ~ .services-feature__grid .services-feature__panels .services-feature__panel[data-panel="1"],
#svc-2:checked ~ .services-feature__grid .services-feature__panels .services-feature__panel[data-panel="2"]{
  opacity:1;
  transform: translateY(0) scale(1);
  z-index:2;
}
#svc-0:checked ~ .services-feature__grid .services-feature__keys label[for="svc-0"],
#svc-1:checked ~ .services-feature__grid .services-feature__keys label[for="svc-1"],
#svc-2:checked ~ .services-feature__grid .services-feature__keys label[for="svc-2"]{
  border-color: rgba(16,24,40,.14);
  background: linear-gradient(135deg, rgba(155,228,255,.22), rgba(183,255,179,.18));
}

/* Company Services (static, non-carousel, non-uniform cards) */
.services-steps{
  margin:12px 0 0;
  display:flex;
  flex-direction:column;
  gap:16px;
  align-items:stretch;
  width:100%;
}
.services-card{
  --accent: rgba(155,228,255,.9);
  border-radius:16px;
  overflow:hidden;
  border:1px solid rgba(16,24,40,.05);
  background: rgba(255,255,255,.70);
  box-shadow: 0 14px 34px rgba(16,24,40,.06);
  display:flex;
  flex-direction:row;
  min-height:unset;
  position:relative;
  align-items:stretch;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.services-card__media{
  position:relative;
  flex:0 0 42%;
  height:auto;
}
.services-card__img{
  width:100%;
  height:240px;
  object-fit:cover;
  transition: transform .35s ease;
}
.services-card__glass{
  display:none;
}
.services-card__badge{
  position:absolute;
  top:14px;
  left:14px;
  width:38px;
  height:38px;
  border-radius:999px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:900;
  font-size:12px;
  letter-spacing:-.01em;
  color: rgba(10,11,16,.86);
  background: rgba(255,255,255,.78);
  border:1px solid rgba(16,24,40,.07);
  box-shadow: 0 10px 26px rgba(16,24,40,.08);
  backdrop-filter: blur(10px);
  z-index:3;
}
.services-card__badge::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:999px;
  background: radial-gradient(circle at 30% 20%, rgba(155,228,255,.24), transparent 62%);
  pointer-events:none;
}
.services-card__body{
  flex:1;
  padding:18px 18px 20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  color: rgba(10,11,16,.88);
}
.process-step__cn{
  display:block;
  margin-top:6px;
  font-size:12.5px;
  font-weight:700;
  color: var(--muted);
  letter-spacing:.01em;
}
.process-step__desc{
  margin:0;
  color: var(--muted);
  line-height:1.75;
  font-size:14px;
}
.process-step__note{
  margin:0;
  color: var(--muted2);
  font-size:13px;
  line-height:1.6;
}

.services-card__body h3{
  margin:0;
  font-size:20px;
  letter-spacing:-.02em;
}
.services-card__sub{
  margin:0;
  color: var(--muted);
  font-size:13px;
  line-height:1.5;
}
.services-card__bullets{
  margin:0;
  padding-left:18px;
  color: var(--muted);
  line-height:1.85;
  font-size:13px;
}

.services-card:hover{
  transform: translateY(-2px);
  border-color: rgba(16,24,40,.10);
  box-shadow: 0 18px 50px rgba(16,24,40,.09);
}
.services-card:hover .services-card__img{
  transform: scale(1.03);
}

/* Services cards:统一风格（不区分布局） */
.services-card--1,
.services-card--2,
.services-card--3{
  --accent: rgba(155,228,255,.95);
}

.card:hover,
.service:hover,
.business-item:hover{
  transform: translateY(-4px);
  border-color: rgba(16,24,40,.12);
}

@keyframes fadeInSlide{
  from{opacity:.35; transform: scale(1.015)}
  to{opacity:1; transform: scale(1)}
}
.footer__grid{
  display:flex;
  justify-content:center;
  flex-direction:column;
  gap:8px;
  align-items:center;
  text-align:center;
}
.footer__links{order:1}
.footer__social{order:2}
.footer__fineprint{order:3}
.footer__brand{margin:0; font-weight:700}
.footer__fineprint{margin:6px 0 0; color:var(--muted2); font-size:12px}
.footer__fineprint{
  opacity:1 !important;
  transform:none !important;
}
.footer__social{
  display:flex;
  gap:12px;
  justify-content:center;
  align-items:center;
  margin:10px 0 4px;
}
.footer__social-link{
  width:36px;
  height:36px;
  border-radius:12px;
  border:1px solid rgba(16,24,40,.06);
  background: rgba(255,255,255,.60);
  color: var(--muted);
  display:flex;
  align-items:center;
  justify-content:center;
  transition: transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}
.footer__social-link svg{
  width:18px;
  height:18px;
  display:block;
}
.footer__social-link:hover{
  transform: translateY(-2px);
  background: rgba(155,228,255,.14);
  border-color: rgba(155,228,255,.30);
  color: var(--text);
}
.footer__links{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:10px 16px;
}
.footer__links a{
  color:var(--muted);
  font-size:13px;
  padding:7px 12px;
  border-radius:10px;
  border:none;
  background: transparent;
  transition: background .18s ease, color .18s ease, transform .18s ease;
  line-height:1;
}
.footer__links a:hover{
  color:var(--text);
  background: rgba(155,228,255,.12);
  transform: translateY(-1px);
}

.footer__links a[aria-current="page"]{
  color: rgba(10,11,16,.92);
  font-weight:600;
  background: transparent;
}

@media (prefers-reduced-motion: reduce){
  *{transition:none !important; scroll-behavior:auto !important}
  .reveal-text{opacity:1 !important; transform:none !important}
  .nav__links{transition:none !important}
}