:root{
  --bg:#f3f6f8;
  --surface:#ffffff;
  --surface-2:#eef3f6;
  --text:#1c2a31;
  --muted:#5b6b75;
  --line:rgba(28,42,49,.12);
  --brand:#156c8d;
  --brand-deep:#0b3748;
  --brand-soft:#d9ebf1;
  --accent:#f1ab3c;
  --shadow:0 24px 60px -38px rgba(17,35,45,.38);
  --radius:24px;
  --radius-sm:18px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left,rgba(255,255,255,.86),transparent 38%),
    linear-gradient(180deg,#edf3f6 0%,#f9fbfc 36%,#edf3f6 100%);
  line-height:1.72;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{width:min(1180px,calc(100% - 32px));margin:0 auto}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:blur(18px);
  background:rgba(243,246,248,.86);
  border-bottom:1px solid rgba(28,42,49,.08);
}
.site-header .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:16px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:14px;
  min-width:0;
}
.brand-badge{
  width:48px;
  height:48px;
  border-radius:16px;
  display:grid;
  place-items:center;
  color:#fff;
  font-weight:800;
  background:linear-gradient(135deg,var(--brand-deep),var(--brand));
  box-shadow:var(--shadow);
  flex:0 0 auto;
}
.brand-title{
  font-size:1.38rem;
  font-weight:800;
  line-height:1.2;
  letter-spacing:.01em;
}
.site-nav{
  display:flex;
  flex-wrap:wrap;
  justify-content:flex-end;
  gap:10px 18px;
  color:var(--muted);
  font-size:.92rem;
  font-weight:700;
}
.site-nav a:hover{color:var(--brand)}

.hero{
  padding:28px 0 22px;
}
.hero-shell{
  background:linear-gradient(135deg,var(--brand-deep),#123f53 54%,var(--brand));
  color:#fff;
  border-radius:32px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);
  gap:26px;
  padding:28px;
}
.hero-copy{display:flex;flex-direction:column;justify-content:space-between;min-width:0}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:10px;
  width:max-content;
  padding:9px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.1);
  color:#ffe7b4;
  font-size:.76rem;
  font-weight:800;
  letter-spacing:.16em;
  text-transform:uppercase;
}
.hero-copy h1{
  margin:18px 0 10px;
  font-size:3.2rem;
  line-height:1.04;
  letter-spacing:-.02em;
  overflow-wrap:anywhere;
}
.hero-copy .hero-en{
  color:rgba(255,255,255,.7);
  font-size:.92rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  margin-bottom:18px;
  overflow-wrap:anywhere;
  word-break:break-word;
}
.hero-copy p{
  margin:0 0 14px;
  color:rgba(255,255,255,.84);
  max-width:700px;
  font-size:.98rem;
}
.hero-copy .list{
  margin:10px 0 18px;
  gap:8px;
}
.hero-copy .list li{
  color:rgba(255,255,255,.82);
  font-size:.92rem;
}
.hero-copy .list li::before{
  background:#ffe7b4;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:0 22px;
  border-radius:999px;
  font-weight:800;
  transition:.2s ease;
}
.btn-primary{background:#fff;color:var(--brand-deep)}
.btn-secondary{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.18)}
.btn:hover{transform:translateY(-1px)}
.stat-row{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
}
.stat{
  padding:16px 18px;
  border-radius:20px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.08);
}
.stat strong{display:block;font-size:1.45rem;line-height:1.1;margin-bottom:6px}
.stat span{display:block;color:rgba(255,255,255,.72);font-size:.86rem;line-height:1.5}

.hero-stack{
  display:grid;
  gap:16px;
  align-content:start;
}
.hero-card{
  background:rgba(255,255,255,.94);
  color:var(--text);
  border-radius:26px;
  padding:14px;
}
.hero-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:18px;
  border:1px solid rgba(28,42,49,.08);
}
.hero-card h2{
  margin:14px 0 8px;
  font-size:1.42rem;
  line-height:1.2;
}
.hero-card p{margin:0;color:var(--muted)}
.pill-list{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:14px;
}
.pill{
  display:inline-flex;
  align-items:center;
  min-height:36px;
  padding:0 14px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand-deep);
  font-size:.84rem;
  font-weight:800;
}
.hero-mosaic{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
}
.hero-mosaic img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:18px;
  border:1px solid rgba(28,42,49,.08);
  background:#fff;
}

.main-flow{padding:18px 0 80px}
.section{
  margin-top:22px;
  background:rgba(255,255,255,.68);
  border:1px solid rgba(28,42,49,.06);
  border-radius:32px;
  padding:28px;
  box-shadow:var(--shadow);
}
.section-head{
  display:grid;
  grid-template-columns:260px minmax(0,1fr);
  gap:26px;
  align-items:end;
  margin-bottom:24px;
}
.eyebrow{
  color:var(--brand);
  font-size:.78rem;
  font-weight:900;
  letter-spacing:.16em;
  text-transform:uppercase;
  margin-bottom:10px;
}
.section-head h2{
  margin:0;
  font-size:2.2rem;
  line-height:1.1;
}
.section-head p{
  margin:0;
  color:var(--muted);
}

.story-grid{
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(280px,.92fr);
  gap:18px;
}
.story-card,
.side-panel,
.feature-card,
.case-card,
.table-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:24px;
  box-shadow:var(--shadow);
}
.story-card{padding:28px}
.story-card p{margin:0 0 14px}
.story-card p:last-child{margin-bottom:0}
.list{
  margin:18px 0 0;
  padding:0;
  list-style:none;
  display:grid;
  gap:10px;
}
.list li{
  position:relative;
  padding-left:18px;
  color:var(--muted);
}
.list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.72em;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--accent);
}
.side-panel{
  padding:24px;
  background:linear-gradient(180deg,var(--surface),var(--surface-2));
}
.side-panel h3{margin:0 0 10px;font-size:1.26rem}
.side-panel p{margin:0 0 16px;color:var(--muted)}
.side-panel .meta{
  display:grid;
  gap:12px;
}
.meta div{
  border-top:1px solid var(--line);
  padding-top:12px;
}
.meta strong{display:block;margin-bottom:4px;color:var(--brand-deep)}
.meta span{color:var(--muted);font-size:.94rem}

.feature-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}
.feature-card{padding:20px}
.feature-card img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:18px;
  border:1px solid var(--line);
  background:#fff;
}
.feature-card h3{margin:16px 0 8px;font-size:1.2rem}
.feature-card p{margin:0;color:var(--muted);font-size:.94rem}

.product-grid{
  display:grid;
  gap:18px;
}
.product-card{
  display:grid;
  grid-template-columns:minmax(320px,.95fr) minmax(0,1fr);
  gap:18px;
  padding:20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:26px;
  box-shadow:var(--shadow);
}
.product-media{
  display:grid;
  gap:12px;
}
.product-media.split{
  grid-template-columns:repeat(2,minmax(0,1fr));
}
.product-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:18px;
  border:1px solid var(--line);
  background:#fff;
}
.product-copy h3{margin:0 0 8px;font-size:1.34rem}
.product-copy p{margin:0 0 12px;color:var(--muted)}

.case-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}
.case-card{padding:22px}
.case-card h3{margin:0 0 10px;font-size:1.16rem}
.case-card p{margin:0;color:var(--muted)}

.brochure-strip{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:18px;
}
.brochure-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:26px;
  padding:20px;
  box-shadow:var(--shadow);
}
.brochure-card img{
  width:100%;
  border-radius:18px;
  border:1px solid var(--line);
}
.brochure-note{
  display:grid;
  gap:18px;
}

.info-table{
  overflow:hidden;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:26px;
  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{
  padding:16px 20px;
  background:var(--surface-2);
  color:var(--brand-deep);
  font-weight:800;
}
.info-row .val{
  padding:16px 20px;
  color:var(--muted);
}

.footer-band{
  margin-top:24px;
  background:linear-gradient(135deg,var(--brand-deep),var(--brand));
  color:#fff;
  border-radius:32px;
  padding:28px;
  box-shadow:var(--shadow);
}
.footer-band h2{margin:0 0 8px;font-size:2rem}
.footer-band p{margin:0 0 16px;color:rgba(255,255,255,.78)}
.footer-actions{display:flex;flex-wrap:wrap;gap:12px}

.site-footer{
  padding:28px 0 44px;
  text-align:center;
  color:var(--muted);
  font-size:.92rem;
}
.site-footer strong{display:block;color:var(--text);margin-bottom:6px}

@media (max-width:1024px){
  .hero-grid,
  .story-grid,
  .brochure-strip,
  .product-card{
    grid-template-columns:1fr;
  }
  .feature-grid,
  .case-grid{
    grid-template-columns:1fr 1fr;
  }
}

@media (max-width:720px){
  .brand-title{font-size:1.04rem}
  .site-header .wrap{align-items:flex-start;flex-direction:column}
  .site-nav{justify-content:flex-start}
  .hero-grid,.section{padding:20px}
  .hero-copy h1{
    max-width:100%;
    font-size:2rem;
    line-height:1.08;
    word-break:break-all;
  }
  .hero-copy .hero-en{
    font-size:.84rem;
    letter-spacing:.06em;
    line-height:1.5;
  }
  .section-head{grid-template-columns:1fr;gap:12px}
  .stat-row,
  .feature-grid,
  .case-grid,
  .hero-mosaic,
  .product-media.split{
    grid-template-columns:1fr;
  }
  .info-row{grid-template-columns:1fr}
  .footer-band h2{font-size:1.54rem}
  .btn{width:100%}
  .hero-actions,.footer-actions{display:grid}
  .hero-copy .list li{font-size:.9rem}
}