:root{
  --bg:#eef8ef;
  --bg-soft:#e3f3e6;
  --panel:#ffffff;
  --panel-soft:rgba(255,255,255,0.78);
  --line:rgba(52,103,63,0.12);
  --line-strong:rgba(77,168,94,0.28);
  --text:#17311d;
  --muted:#5f7666;
  --accent:#4da85e;
  --accent-2:#8fcb79;
  --shadow:0 18px 46px rgba(61,109,68,0.12);
  --radius:22px;
  --radius-lg:32px;
  --max:1220px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100%;
  font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  color:var(--text);
  line-height:1.65;
  background:
    radial-gradient(760px 380px at 10% 0%, rgba(77,168,94,0.18), transparent 60%),
    radial-gradient(720px 360px at 90% 6%, rgba(155,214,144,0.16), transparent 55%),
    radial-gradient(820px 420px at 50% 100%, rgba(77,168,94,0.10), transparent 60%),
    linear-gradient(180deg, #f4fbf4 0%, #edf7ee 45%, #e5f3e7 100%);
}

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

.container{
  width:min(var(--max), calc(100% - 40px));
  margin:0 auto;
}

.header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:blur(18px);
  background:rgba(244,251,244,0.82);
  border-bottom:1px solid rgba(52,103,63,0.08);
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}

.header.scrolled{
  background:rgba(244,251,244,0.94);
  border-color:rgba(52,103,63,0.14);
  box-shadow:0 14px 32px rgba(61,109,68,0.10);
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:0;
  min-width:auto;
}

.brand-image{
  height:58px;
  width:auto;
  display:block;
  flex:none;
}

.brand .name{
  font-size: 20px;
  font-weight: 700;
  color: var(--text-base);
  letter-spacing: 0.5px;
  margin-left: 12px;
}

.tag{
  display:none !important;
}

.nav-links{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  flex:1;
}

.nav-links a{
  padding:10px 14px;
  border-radius:999px;
  font-size:14px;
  color:#4f6756;
  transition:all .2s ease;
}

.nav-links a:hover,
.nav-links a.active{
  color:var(--text);
  background:rgba(77,168,94,0.10);
}

.nav-cta{
  display:flex;
  align-items:center;
  gap:10px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:10px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,0.78);
  color:var(--text);
  font-size:14px;
  transition:transform .2s ease,border-color .2s ease,background .2s ease,box-shadow .2s ease;
}

.btn:hover{
  transform:translateY(-1px);
  border-color:rgba(77,168,94,0.24);
}

.btn.primary{
  border-color:rgba(77,168,94,0.32);
  background:linear-gradient(135deg, rgba(77,168,94,0.18), rgba(143,203,121,0.22));
  box-shadow:0 14px 30px rgba(77,168,94,0.16);
}

.btn.primary:hover{
  border-color:rgba(77,168,94,0.45);
  box-shadow:0 18px 36px rgba(77,168,94,0.20);
}

.hamburger{
  display:none;
  width:44px;
  height:40px;
  border:1px solid var(--line);
  border-radius:14px;
  background:rgba(255,255,255,0.78);
  color:var(--text);
}

main{
  overflow:hidden;
}

section{
  padding:36px 0;
}

.hero{
  padding:46px 0 36px;
}

.hero-grid{
  display:grid;
  grid-template-columns:minmax(0, 1.08fr) minmax(340px, 0.92fr);
  gap:22px;
  align-items:stretch;
}

.hero-panel,
.glass-card,
.feature-card,
.stat-card,
.highlight-card,
.process-card,
.contact-card,
.cta-banner{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(180deg, rgba(255,255,255,0.92), rgba(243,250,244,0.94));
  box-shadow:var(--shadow);
}

.hero-panel{
  min-height:640px;
  border-radius:var(--radius-lg);
}

.hero-panel::before,
.glass-card::before,
.cta-banner::before{
  content:"";
  position:absolute;
  inset:-1px;
  pointer-events:none;
  background:
    radial-gradient(640px 300px at 0% 0%, rgba(77,168,94,0.12), transparent 55%),
    radial-gradient(560px 260px at 100% 0%, rgba(143,203,121,0.12), transparent 50%);
}

.hero-content{
  position:relative;
  z-index:1;
  height:100%;
  padding:42px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  width:max-content;
  padding:8px 14px;
  border-radius:999px;
  border:1px solid rgba(77,168,94,0.18);
  background:rgba(255,255,255,0.72);
  color:var(--muted);
  font-size:13px;
}

.eyebrow::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 6px rgba(141,253,95,0.12);
}

.display-title{
  margin:22px 0 14px;
  font-size:58px;
  line-height:1.02;
  letter-spacing:-1.8px;
}

.display-title .accent{
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.lead{
  max-width:52ch;
  margin:0;
  color:var(--muted);
  font-size:16px;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:24px;
}

.metric-row{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:14px;
  margin-top:28px;
}

.stat-card{
  padding:18px;
  background:rgba(77,168,94,0.08);
}

.stat-card strong{
  display:block;
  font-size:30px;
  line-height:1;
  letter-spacing:-1px;
}

.stat-card span{
  display:block;
  margin-top:8px;
  color:var(--muted);
  font-size:13px;
}

.hero-side{
  display:grid;
  gap:18px;
}

.hero-media{
  min-height:410px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  position:relative;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:#f5fbf5;
}

.hero-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:0.9;
}

.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.02), rgba(232,243,233,0.26)),
    linear-gradient(135deg, rgba(77,168,94,0.08), transparent 48%);
}

.media-badge{
  position:absolute;
  left:24px;
  bottom:24px;
  right:24px;
  z-index:1;
  padding:18px 20px;
  border-radius:20px;
  background:rgba(255,255,255,0.88);
  border:1px solid rgba(52,103,63,0.12);
  backdrop-filter:blur(16px);
}

.media-badge h3,
.feature-card h3,
.glass-card h3,
.highlight-card h3,
.process-card h3,
.contact-card h3{
  margin:0 0 8px;
  font-size:18px;
  letter-spacing:-0.2px;
}

.media-badge p,
.feature-card p,
.glass-card p,
.highlight-card p,
.process-card p,
.contact-card p,
.section-heading p,
.page-intro p,
.muted{
  margin:0;
  color:var(--muted);
  font-size:14px;
}

.side-stack{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:16px;
}

.glass-card,
.feature-card,
.highlight-card,
.process-card,
.contact-card{
  padding:22px;
}

.mini-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
  color:#4f6756;
  font-size:12px;
  letter-spacing:0.18em;
  text-transform:uppercase;
}

.mini-label::before{
  content:"";
  width:24px;
  height:1px;
  background:linear-gradient(90deg, var(--accent), transparent);
}

.section-heading{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:18px;
}

.section-heading h2,
.page-intro h1{
  margin:0;
  font-size:34px;
  letter-spacing:-0.9px;
}

.section-subtitle{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 12px;
  border:1px solid rgba(141,253,95,0.18);
  border-radius:999px;
  background:rgba(141,253,95,0.08);
  color:var(--text);
  font-size:12px;
}

.feature-grid,
.three-grid,
.two-grid,
.scenario-grid,
.contact-grid{
  display:grid;
  gap:16px;
}

.feature-grid,
.three-grid,
.scenario-grid{
  grid-template-columns:repeat(3, minmax(0, 1fr));
}

.two-grid,
.contact-grid{
  grid-template-columns:repeat(2, minmax(0, 1fr));
}

.feature-card{
  min-height:230px;
}

.feature-index,
.process-index{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  margin-bottom:18px;
  border-radius:14px;
  border:1px solid rgba(141,253,95,0.18);
  background:linear-gradient(135deg, rgba(141,253,95,0.16), rgba(124,215,255,0.08));
  color:var(--text);
  font-size:14px;
  font-weight:700;
}

.feature-list{
  display:grid;
  gap:10px;
  margin-top:18px;
}

.info-list{
  display:grid;
  gap:10px;
  margin-top:18px;
}

.feature-list span,
.info-list span{
  display:flex;
  gap:10px;
  color:var(--text);
  font-size:13px;
}

.feature-list span::before,
.info-list span::before{
  content:"";
  width:8px;
  height:8px;
  margin-top:7px;
  border-radius:50%;
  flex:none;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
}

.showcase{
  display:grid;
  grid-template-columns:minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap:18px;
}

.showcase-media{
  min-height:420px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  position:relative;
  border:1px solid var(--line);
  background:#f4fbf4;
}

.showcase-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:0.85;
}

.showcase-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.02), rgba(232,243,233,0.32)),
    linear-gradient(135deg, rgba(77,168,94,0.10), transparent 50%);
}

.showcase-copy{
  position:absolute;
  left:28px;
  right:28px;
  bottom:28px;
  z-index:1;
  background:rgba(255,255,255,0.85);
  backdrop-filter:blur(12px);
  padding:20px;
  border-radius:16px;
  border:1px solid rgba(52,103,63,0.1);
}

.showcase-copy h3{
  margin:0 0 10px;
  font-size:30px;
  letter-spacing:-0.8px;
}

.showcase-stack{
  display:grid;
  gap:16px;
}

.media-frame{
  overflow:hidden;
  margin-top:18px;
  border:1px solid rgba(52,103,63,0.12);
  border-radius:22px;
  background:rgba(255,255,255,0.80);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
}

.media-frame img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}

.media-frame.contain{
  background:linear-gradient(180deg, rgba(255,255,255,0.94), rgba(243,250,244,0.92));
}

.media-frame.contain img{
  object-fit:contain;
  background:#f5fbf5;
}

.logo-cloud{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:12px;
  margin-top:18px;
}

.logo-cloud .partner-text{
  padding:16px 20px;
  border:1px solid rgba(52,103,63,0.12);
  border-radius:12px;
  background:rgba(255,255,255,0.88);
  color:var(--text-base);
  font-size:15px;
  font-weight: 500;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 64px;
  box-shadow: 0 2px 8px rgba(52,103,63,0.04);
  transition: all 0.3s ease;
}

.logo-cloud .partner-text:hover {
  background: #fff;
  border-color: rgba(52,103,63,0.25);
  box-shadow: 0 4px 12px rgba(52,103,63,0.08);
  transform: translateY(-2px);
}

.qr-card{
  display:grid;
  gap:18px;
}

.qr-image{
  max-width:260px;
  margin:0 auto;
  padding:10px;
  border-radius:22px;
  background:#fff;
  border:1px solid rgba(52,103,63,0.12);
}

.contact-person{
  font-size:20px;
  line-height:1.4;
  letter-spacing:-0.4px;
}

.spec-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:12px;
  margin-top:18px;
}

.spec-card{
  padding:14px 16px;
  border:1px solid rgba(52,103,63,0.10);
  border-radius:16px;
  background:rgba(255,255,255,0.82);
}

.spec-card strong{
  display:block;
  margin-bottom:6px;
  color:#607766;
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
}

.spec-card span{
  color:var(--text);
  font-size:16px;
}

.product-detail{
  display:grid;
  gap:18px;
}

.highlight-card strong{
  display:block;
  margin-bottom:8px;
  font-size:13px;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:#607766;
}

.process-grid{
  display:grid;
  grid-template-columns:repeat(4, minmax(0, 1fr));
  gap:16px;
}

.process-card{
  min-height:220px;
}

.page-intro{
  padding:38px 0 12px;
}

.page-intro-shell{
  padding:34px;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.92), rgba(244,251,244,0.94)),
    radial-gradient(560px 240px at 0% 0%, rgba(77,168,94,0.12), transparent 55%);
  box-shadow:var(--shadow);
}

.page-intro p{
  margin-top:14px;
  max-width:none;
}

.band{
  padding:28px;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:rgba(255,255,255,0.84);
  box-shadow:var(--shadow);
}

.timeline{
  display:grid;
  gap:14px;
}

.timeline-item{
  display:grid;
  grid-template-columns:110px 1fr;
  gap:16px;
  padding:18px 0;
  border-bottom:1px solid rgba(52,103,63,0.10);
}

.timeline-item:last-child{
  border-bottom:none;
  padding-bottom:0;
}

.timeline-year{
  color:#607766;
  font-size:13px;
  letter-spacing:0.16em;
  text-transform:uppercase;
}

.timeline-item h3{
  margin:0 0 6px;
  font-size:18px;
}

.scenario-card{
  min-height:280px;
}

.scenario-card h3{
  margin:18px 0 8px;
  font-size:24px;
  letter-spacing:-0.5px;
}

.contact-card strong{
  display:block;
  margin-bottom:10px;
  color:#607766;
  font-size:12px;
  letter-spacing:0.16em;
  text-transform:uppercase;
}

.contact-line{
  font-size:24px;
  line-height:1.3;
  letter-spacing:-0.6px;
}

.cta-banner{
  padding:30px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}

.cta-banner h2{
  margin:0 0 8px;
  font-size:30px;
  letter-spacing:-0.8px;
}

.footer{
  margin-top:42px;
  padding:32px 0 40px;
  border-top:1px solid rgba(52,103,63,0.10);
  background:rgba(255,255,255,0.66);
}

.footer-grid{
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:18px;
}

.footer-note{
  margin-top:12px;
  color:var(--muted);
  font-size:13px;
  max-width:52ch;
}

.footer-meta{
  display:grid;
  gap:10px;
  justify-items:start;
}

.fine{
  color:var(--muted);
  font-size:13px;
}

.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .6s ease,transform .6s ease;
}

.reveal.show{
  opacity:1;
  transform:none;
}

@media (max-width: 1080px){
  .hero-grid,
  .showcase,
  .feature-grid,
  .three-grid,
  .scenario-grid,
  .two-grid,
  .contact-grid,
  .process-grid,
  .footer-grid{
    grid-template-columns:1fr;
  }

  .side-stack,
  .metric-row{
    grid-template-columns:1fr;
  }

  .display-title{
    font-size:46px;
  }
}

@media (max-width: 780px){
  .brand-image{
    height:32px;
    width:auto;
  }

  .brand{
    min-width:auto;
    gap:10px;
  }

  .brand-copy{
    gap:1px;
  }

  .brand .name{
    font-size:13px;
  }

  .brand .tag{
    font-size:10px;
  }

  .nav{
    flex-wrap:wrap;
  }

  .nav-links{
    display:none;
    width:100%;
    flex-direction:column;
    align-items:stretch;
    padding-top:8px;
  }

  .nav-links a{
    border-radius:16px;
  }

  .nav.open .nav-links{
    display:flex;
  }

  .nav-cta{
    margin-left:auto;
  }

  .nav.open .nav-cta{
    width:100%;
    margin-left:0;
    padding-top:10px;
    justify-content:flex-start;
  }

  .hamburger{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    margin-left:auto;
  }

  .hero-content,
  .page-intro-shell,
  .band,
  .cta-banner,
  .feature-card,
  .glass-card,
  .highlight-card,
  .process-card,
  .contact-card{
    padding:22px;
  }

  .hero-panel{
    min-height:auto;
  }

  .hero-media,
  .showcase-media{
    min-height:300px;
  }

  .display-title{
    font-size:38px;
  }

  .section-heading{
    align-items:flex-start;
    flex-direction:column;
  }

  .timeline-item{
    grid-template-columns:1fr;
    gap:8px;
  }

  .cta-banner{
    align-items:flex-start;
    flex-direction:column;
  }
}