:root{
  --ink:#17211f;
  --text:#31413a;
  --muted:#66736d;
  --line:#dfe5df;
  --paper:#fbfaf5;
  --soft:#f2f5ef;
  --white:#fff;
  --brand:#1f6b4a;
  --brand-deep:#103c2c;
  --accent:#c78320;
  --accent-2:#1e5a78;
  --shadow:0 18px 46px -28px rgba(23,33,31,.42);
  --shadow-strong:0 28px 80px -48px rgba(0,0,0,.56);
  --radius:8px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.72;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

body.theme-ngc{--brand:#385a8c;--brand-deep:#142b4a;--accent:#d39a2b;--accent-2:#0f766e}
body.theme-dqs{--brand:#1f6f9f;--brand-deep:#113953;--accent:#c98228;--accent-2:#60727d}
body.theme-znhbs{--brand:#b7372d;--brand-deep:#641b18;--accent:#d79a21;--accent-2:#1f6b4a}
body.theme-kelin{--brand:#27756d;--brand-deep:#123f48;--accent:#d89b28;--accent-2:#1f6b4a}

.topbar{
  position:sticky;
  top:0;
  z-index:30;
  background:rgba(251,250,245,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(223,229,223,.92);
}
.nav{
  min-height:80px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.expo-brand{display:flex;align-items:center;gap:14px;min-width:0}
.expo-mark{
  width:50px;
  height:50px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--brand-deep),var(--brand));
  color:#fff;
  display:grid;
  place-items:center;
  font-weight:900;
  font-size:1.05rem;
  letter-spacing:.02em;
  flex:0 0 auto;
  box-shadow:var(--shadow);
}
.expo-title{font-size:1.5rem;font-weight:900;line-height:1.3;letter-spacing:.01em}
.nav-links{display:flex;align-items:center;gap:26px;color:var(--muted);font-size:.92rem;font-weight:800}
.nav-links a:hover{color:var(--brand)}
.nav-action{
  color:#fff;
  background:var(--brand);
  padding:9px 18px;
  border-radius:999px;
  box-shadow:var(--shadow);
}
.menu-btn{
  display:none;
  width:42px;
  height:42px;
  border:1px solid var(--line);
  border-radius:8px;
  background:var(--white);
  color:var(--ink);
  align-items:center;
  justify-content:center;
  cursor:pointer;
}

.breadcrumb{color:var(--muted);font-size:.84rem;padding:14px 0}
.breadcrumb a{color:var(--brand);font-weight:800}
.breadcrumb span{padding:0 9px;color:#a9b2ad}

.hero{
  color:#fff;
  display:flex;
  align-items:stretch;
  padding:0;
  background:
    linear-gradient(90deg,rgba(16,60,44,.94),rgba(16,60,44,.78) 52%,rgba(16,60,44,.24)),
    var(--hero-image) center/cover no-repeat;
  border-top:1px solid rgba(255,255,255,.08);
}
body.theme-ngc .hero{background:
  linear-gradient(90deg,rgba(20,43,74,.96),rgba(20,43,74,.8) 52%,rgba(20,43,74,.24)),
  var(--hero-image) center/cover no-repeat}
body.theme-dqs .hero{background:
  linear-gradient(90deg,rgba(17,57,83,.96),rgba(17,57,83,.8) 52%,rgba(17,57,83,.24)),
  var(--hero-image) center/cover no-repeat}
body.theme-znhbs .hero{background:
  linear-gradient(90deg,rgba(100,27,24,.95),rgba(100,27,24,.78) 52%,rgba(100,27,24,.22)),
  var(--hero-image) center/cover no-repeat}
body.theme-kelin .hero{background:
  linear-gradient(90deg,rgba(18,63,72,.96),rgba(18,63,72,.78) 52%,rgba(18,63,72,.18)),
  var(--hero-image) center/cover no-repeat}
.hero .wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) 420px;
  gap:48px;
  align-items:center;
  padding-top:34px;
  padding-bottom:40px;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#ffe0a8;
  font-size:.78rem;
  font-weight:900;
  letter-spacing:.14em;
  text-transform:uppercase;
  margin-bottom:18px;
}
.kicker::before{content:"";width:34px;height:2px;background:#ffe0a8;border-radius:2px}
h1{max-width:780px;font-size:2.76rem;line-height:1.12;letter-spacing:0;font-weight:950;margin-bottom:12px}
.hero-en{color:rgba(255,255,255,.72);font-size:.86rem;letter-spacing:.1em;font-weight:800;margin-bottom:20px;text-transform:uppercase}
.hero-lead{max-width:700px;color:rgba(255,255,255,.84);font-size:1rem;margin-bottom:22px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.btn{
  min-height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  padding:10px 20px;
  font-weight:900;
  border:1px solid transparent;
  transition:.2s ease;
}
.btn-primary{background:#fff;color:var(--brand-deep)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px -18px #000}
.btn-ghost{border-color:rgba(255,255,255,.34);color:#fff;background:rgba(255,255,255,.08)}
.btn-ghost:hover{background:rgba(255,255,255,.16)}
.btn-dark{background:var(--brand-deep);color:#fff}
.btn-light{background:#fff;color:var(--brand-deep);border-color:var(--line)}
.hero-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;max-width:720px}
.metric{
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.09);
  padding:13px 15px;
  border-radius:var(--radius);
  min-height:82px;
}
.metric strong{display:block;font-size:1.18rem;line-height:1.2;color:#fff;margin-bottom:6px}
.metric span{display:block;color:rgba(255,255,255,.72);font-size:.82rem;line-height:1.45}

.identity-panel{
  background:rgba(255,255,255,.95);
  color:var(--ink);
  border-radius:var(--radius);
  padding:20px;
  box-shadow:var(--shadow-strong);
}
.logo-frame,.photo-frame{
  aspect-ratio:16/10;
  max-height:230px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:#fff;
  display:grid;
  place-items:center;
  overflow:hidden;
  margin-bottom:18px;
}
.logo-frame img{width:100%;height:100%;object-fit:contain;padding:14px}
.photo-frame img{width:100%;height:100%;object-fit:cover}
.panel-label{font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);font-weight:900;margin-bottom:4px}
.identity-panel h2{font-size:1.24rem;line-height:1.3;margin-bottom:10px}
.identity-panel p{font-size:.92rem;color:var(--muted);margin-bottom:16px}
.quick-list{display:grid;gap:8px}
.quick-list div{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--text)}
.check{
  width:18px;
  height:18px;
  margin-top:3px;
  flex:0 0 auto;
  border-radius:50%;
  display:grid;
  place-items:center;
  color:#fff;
  background:var(--brand);
  font-size:.74rem;
  line-height:1;
  font-weight:900;
}

section{padding:76px 0}
.section-head{
  display:grid;
  grid-template-columns:280px minmax(0,1fr);
  gap:36px;
  align-items:end;
  margin-bottom:32px;
}
.eyebrow{color:var(--accent);font-size:.76rem;font-weight:900;letter-spacing:.16em;text-transform:uppercase;margin-bottom:10px}
.section-head h2{font-size:2.12rem;line-height:1.2;letter-spacing:0}
.section-head p{color:var(--muted);max-width:760px}
.profile{background:var(--paper)}
.profile-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(340px,.72fr);gap:34px;align-items:start}
.article{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:34px;
  box-shadow:var(--shadow);
}
.article p{color:var(--text);margin-bottom:14px}
.article p:last-child{margin-bottom:0}
.article strong{color:var(--ink)}
.side-card{
  background:var(--brand-deep);
  color:#fff;
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow);
  position:sticky;
  top:104px;
}
.side-card h3{font-size:1.2rem;margin-bottom:12px}
.side-card p{color:rgba(255,255,255,.76);font-size:.94rem;margin-bottom:16px}
.side-list{display:grid;gap:12px}
.side-list div{border-top:1px solid rgba(255,255,255,.16);padding-top:12px}
.side-list strong{display:block;color:#ffe0a8;margin-bottom:3px}
.side-list span{font-size:.9rem;color:rgba(255,255,255,.76)}

.gallery{background:var(--soft)}
.gallery-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.gallery-card{
  position:relative;
  min-height:280px;
  overflow:hidden;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:#dde5df;
  box-shadow:var(--shadow);
}
.gallery-card img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .4s ease}
.gallery-card:hover img{transform:scale(1.04)}
.caption{
  position:absolute;
  left:14px;
  right:14px;
  bottom:14px;
  background:rgba(255,255,255,.92);
  color:var(--ink);
  border-radius:var(--radius);
  padding:12px 14px;
  font-weight:900;
  box-shadow:0 12px 34px -24px rgba(0,0,0,.55);
}
.caption small{display:block;color:var(--muted);font-weight:700;margin-top:2px}

.products{background:var(--paper)}
.product-layout{display:grid;grid-template-columns:360px minmax(0,1fr);gap:28px;align-items:start}
.product-visual{
  background:var(--brand-deep);
  color:#fff;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  position:sticky;
  top:104px;
}
.product-visual .image{aspect-ratio:4/3;background:#d8e0da}
.product-visual img{width:100%;height:100%;object-fit:cover}
.visual-copy{padding:22px}
.visual-copy h3{font-size:1.24rem;margin-bottom:8px}
.visual-copy p{color:rgba(255,255,255,.76);font-size:.92rem}
.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.product-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  min-height:220px;
  box-shadow:var(--shadow);
}
.card-topline{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.icon-box{
  width:42px;
  height:42px;
  border-radius:8px;
  display:grid;
  place-items:center;
  background:color-mix(in srgb,var(--brand) 12%,#fff);
  color:var(--brand);
}
.product-card h3{font-size:1.18rem;line-height:1.35;margin-bottom:10px}
.product-card p{color:var(--muted);font-size:.93rem}
.product-card ul{margin-top:12px;display:grid;gap:7px;list-style:none}
.product-card li{position:relative;color:var(--text);font-size:.9rem;padding-left:16px}
.product-card li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.tag{display:inline-flex;margin-top:16px;color:var(--brand);background:color-mix(in srgb,var(--brand) 10%,#fff);border-radius:999px;padding:6px 12px;font-size:.78rem;font-weight:900}

.culture{background:var(--soft)}
.culture-grid{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:28px;align-items:start}
.culture-main{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.culture-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  min-height:188px;
  box-shadow:var(--shadow);
}
.culture-card h3{font-size:1.08rem;line-height:1.35;margin-bottom:10px;color:var(--brand-deep)}
.culture-card p{color:var(--muted);font-size:.93rem}
.culture-card strong{color:var(--ink)}
.strategy-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  position:sticky;
  top:104px;
}
.strategy-panel img{width:100%;aspect-ratio:16/10;object-fit:contain;background:#fff}
.strategy-copy{padding:20px}
.strategy-copy h3{font-size:1.16rem;line-height:1.35;margin-bottom:8px}
.strategy-copy p{color:var(--muted);font-size:.92rem}

.band{background:var(--brand-deep);color:#fff}
.band .section-head p{color:rgba(255,255,255,.72)}
.band-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.band-card{
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);
  padding:22px;
  min-height:172px;
}
.band-card .num{font-size:1.7rem;font-weight:950;color:#ffe0a8;line-height:1.1;margin-bottom:10px}
.band-card h3{font-size:1.05rem;margin-bottom:8px}
.band-card p{color:rgba(255,255,255,.74);font-size:.9rem}

.info{background:var(--paper)}
.info-grid{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.info-row{display:grid;grid-template-columns:220px minmax(0,1fr);border-bottom:1px solid var(--line)}
.info-row:last-child{border-bottom:none}
.info-row .key{background:var(--soft);padding:16px 20px;color:var(--brand-deep);font-weight:900}
.info-row .val{padding:16px 20px;color:var(--text)}

.cta-band{
  background:
    linear-gradient(90deg,rgba(16,60,44,.95),rgba(16,60,44,.8)),
    var(--cta-image, var(--hero-image)) center/cover no-repeat;
  color:#fff;
  padding:56px 0;
}
body.theme-ngc .cta-band{background:
  linear-gradient(90deg,rgba(20,43,74,.95),rgba(20,43,74,.8)),
  var(--cta-image, var(--hero-image)) center/cover no-repeat}
body.theme-dqs .cta-band{background:
  linear-gradient(90deg,rgba(17,57,83,.95),rgba(17,57,83,.8)),
  var(--cta-image, var(--hero-image)) center/cover no-repeat}
body.theme-znhbs .cta-band{background:
  linear-gradient(90deg,rgba(100,27,24,.95),rgba(100,27,24,.8)),
  var(--cta-image, var(--hero-image)) center/cover no-repeat}
body.theme-kelin .cta-band{background:
  linear-gradient(90deg,rgba(18,63,72,.95),rgba(18,63,72,.78)),
  var(--cta-image, var(--hero-image)) center/cover no-repeat}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
.cta-inner h2{font-size:2rem;line-height:1.2;margin-bottom:8px}
.cta-inner p{color:rgba(255,255,255,.76)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}

footer{background:#111916;color:rgba(255,255,255,.7);padding:34px 0;text-align:center;font-size:.9rem}
footer strong{display:block;color:#fff;margin-bottom:6px}
.backtop{
  position:fixed;
  right:24px;
  bottom:24px;
  width:44px;
  height:44px;
  border-radius:50%;
  border:none;
  background:var(--brand);
  color:#fff;
  display:grid;
  place-items:center;
  cursor:pointer;
  opacity:0;
  transform:translateY(12px);
  pointer-events:none;
  transition:.25s ease;
  box-shadow:var(--shadow);
}
.backtop.show{opacity:1;transform:none;pointer-events:auto}

.reveal{opacity:0;transform:translateY(22px);transition:.6s cubic-bezier(.2,.7,.2,1)}
.reveal.show{opacity:1;transform:none}

@media (max-width:980px){
  .nav{min-height:72px}
  .expo-title{font-size:1.08rem}
  .nav-links{
    position:absolute;
    top:72px;
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:var(--paper);
    border-bottom:1px solid var(--line);
    padding:12px 24px 18px;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 0}
  .nav-action{display:inline-flex;justify-content:center;margin-top:8px}
  .menu-btn{display:flex}
  .hero .wrap,.profile-grid,.product-layout,.culture-grid{grid-template-columns:1fr}
  .hero{min-height:auto}
  .hero-metrics{grid-template-columns:1fr}
  .identity-panel,.side-card,.product-visual,.strategy-panel{position:static}
  .section-head{grid-template-columns:1fr;gap:12px}
  .gallery-grid{grid-template-columns:1fr}
  .product-grid,.culture-main,.band-grid{grid-template-columns:1fr}
  .cta-inner{display:grid}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:640px){
  .wrap{padding:0 18px}
  .expo-mark{width:44px;height:44px}
  h1{font-size:1.78rem}
  .hero .wrap{padding-top:36px;padding-bottom:42px}
  .hero-actions,.cta-actions{display:grid}
  .btn{width:100%}
  .identity-panel,.article,.product-card{padding:20px}
  .metric{min-height:auto}
  section{padding:56px 0}
  .section-head h2,.cta-inner h2{font-size:1.6rem}
  .info-row{grid-template-columns:1fr}
  .info-row .key{padding-bottom:5px}
  .info-row .val{padding-top:6px}
  .backtop{right:18px;bottom:18px}
}