:root{
  --bg:#eef4ec;
  --bg-2:#f7f9f4;
  --panel:#fbfcf8;
  --panel-strong:#f3f7ef;
  --line:#d9e4d6;
  --text:#18301f;
  --muted:#5f7063;
  --green:#5f8f63;
  --green-2:#8fbf9c;
  --blue:#5f8fa4;
  --warn:#d98c45;
  --shadow:0 18px 40px rgba(25,44,30,.08);
  --radius:22px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  color:var(--text);
  font-family:"Microsoft JhengHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:
    linear-gradient(180deg, rgba(231,241,229,.95), rgba(244,248,242,.98) 48%, rgba(240,245,247,.98));
  overflow-x:hidden;
}

a{color:inherit;}

.site-header{
  position:sticky;
  top:0;
  z-index:20;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px clamp(18px, 4vw, 36px);
  background:rgba(247,249,244,.84);
  border-bottom:1px solid rgba(57,82,62,.08);
  backdrop-filter:blur(14px);
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
}
.brand-mark{
  width:40px;
  height:40px;
  border-radius:14px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg, rgba(95,143,99,.16), rgba(95,143,164,.14));
  border:1px solid rgba(95,143,99,.18);
  color:var(--green);
  font-weight:700;
}
.brand-copy strong{display:block;font-size:15px;line-height:1.2;}
.brand-copy small{display:block;color:var(--muted);font-size:11px;margin-top:2px;letter-spacing:.04em;}

.site-nav{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  color:var(--muted);
  font-size:14px;
}
.site-nav a,
.ghost-btn,
.primary-btn,
.text-btn{
  text-decoration:none;
}
.site-nav a{padding:6px 0;}

.header-actions,
.hero-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.ghost-btn,
.primary-btn,
.text-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:42px;
  padding:0 16px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
}
.ghost-btn{
  color:var(--green);
  border:1px solid rgba(95,143,99,.20);
  background:rgba(255,255,255,.64);
}
.primary-btn{
  color:#fff;
  border:1px solid rgba(77,119,82,.22);
  background:linear-gradient(135deg, #6f9c73, #8ab0a1);
  box-shadow:0 10px 24px rgba(95,143,99,.16);
}
.text-btn{
  color:var(--green);
  padding-inline:4px;
}

main{padding:18px clamp(18px, 4vw, 36px) 36px;}

.hero,
.section{
  max-width:1180px;
  margin:0 auto;
}
.hero{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:28px;
  align-items:center;
  min-height:calc(100vh - 96px);
}
.hero-copy{
  padding:14px 4px;
}
.eyebrow{
  margin:0 0 10px;
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--green);
}
.hero h1,
.section-head h2{
  margin:0;
  line-height:1.08;
  letter-spacing:0;
}
.hero h1{
  font-size:clamp(38px, 5vw, 58px);
  max-width:8ch;
}
.lead{
  margin:16px 0 8px;
  font-size:18px;
  color:var(--text);
}
.summary{
  margin:0;
  max-width:56ch;
  color:var(--muted);
  line-height:1.8;
}
.hero-actions{margin-top:22px;}
.hero-points{
  list-style:none;
  padding:0;
  margin:22px 0 0;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.hero-points li{
  padding:8px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.62);
  border:1px solid rgba(95,143,99,.14);
  color:var(--muted);
  font-size:13px;
}

.hero-visual{
  display:flex;
  justify-content:flex-end;
}
.hero-panel{
  width:min(100%, 540px);
  padding:22px;
  border-radius:28px;
  background:
    linear-gradient(180deg, rgba(251,252,248,.98), rgba(243,247,239,.98));
  border:1px solid rgba(91,119,94,.14);
  box-shadow:var(--shadow);
}
.panel-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
  margin-bottom:16px;
}
.panel-kicker{
  font-size:12px;
  color:var(--blue);
  letter-spacing:.08em;
  text-transform:uppercase;
}
.panel-title{
  margin-top:4px;
  font-size:20px;
  font-weight:700;
}
.status-pill{
  display:inline-flex;
  align-items:center;
  min-height:30px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  border:1px solid transparent;
}
.status-pill.ok{
  color:#356241;
  background:rgba(123,179,133,.14);
  border-color:rgba(123,179,133,.18);
}

.visual-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
  margin-bottom:16px;
}
.stat-card{
  padding:14px 14px 13px;
  border-radius:18px;
  background:rgba(255,255,255,.68);
  border:1px solid rgba(95,143,99,.12);
}
.stat-card strong{
  display:block;
  margin-top:4px;
  font-size:20px;
  color:var(--text);
}
.main-stat strong{font-size:28px;}
.stat-label,
.stat-note{
  display:block;
  font-size:12px;
  color:var(--muted);
}
.stat-note{margin-top:4px;}

.plant-visual{
  position:relative;
  height:220px;
  border-radius:24px;
  background:
    linear-gradient(180deg, rgba(230,239,225,.72), rgba(240,245,241,.95));
  border:1px solid rgba(95,143,99,.12);
  overflow:hidden;
}
.soil-line{
  position:absolute;
  left:18%;
  right:18%;
  bottom:34px;
  height:2px;
  border-radius:999px;
  background:linear-gradient(90deg, transparent, rgba(88,121,94,.45), transparent);
}
.humidity-ring{
  position:absolute;
  right:12%;
  top:24px;
  width:132px;
  height:132px;
  border-radius:50%;
  border:1px solid rgba(95,143,164,.20);
  background:radial-gradient(circle, rgba(143,191,156,.12) 0%, rgba(143,191,156,.06) 48%, transparent 49%);
}
.leaf{
  position:absolute;
  background:linear-gradient(180deg, rgba(123,179,133,.65), rgba(95,143,99,.46));
  border-radius:100% 0 100% 0;
  opacity:.82;
  transform-origin:bottom center;
}
.leaf::after{
  content:"";
  position:absolute;
  inset:8px 10px;
  border-radius:100% 0 100% 0;
  background:rgba(255,255,255,.16);
}
.leaf-a{
  width:86px;
  height:86px;
  left:24%;
  top:42px;
  transform:rotate(-28deg);
}
.leaf-b{
  width:68px;
  height:68px;
  left:36%;
  top:72px;
  transform:rotate(28deg);
  opacity:.72;
}
.leaf-c{
  width:54px;
  height:54px;
  left:50%;
  top:52px;
  transform:rotate(44deg);
  opacity:.58;
}
.drop{
  position:absolute;
  width:18px;
  height:26px;
  border-radius:50% 50% 50% 50% / 60% 60% 40% 40%;
  background:linear-gradient(180deg, rgba(95,143,164,.55), rgba(95,143,164,.18));
  border:1px solid rgba(95,143,164,.16);
}
.drop-a{right:18%; top:74px; transform:rotate(-10deg);}
.drop-b{right:23%; top:104px; transform:rotate(12deg); opacity:.72;}

.section{
  margin-top:24px;
  padding:24px 0 0;
}
.section-head{
  display:flex;
  flex-direction:column;
  gap:8px;
  margin-bottom:16px;
}
.section-head h2{
  font-size:clamp(24px, 3vw, 34px);
  max-width:18ch;
}
.section-alt{
  padding:28px 20px 6px;
  border-radius:28px;
  background:rgba(255,255,255,.52);
  border:1px solid rgba(95,143,99,.10);
}

.feature-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;
}
.feature-card,
.flow-step,
.preview-panel{
  border-radius:22px;
  background:rgba(255,255,255,.72);
  border:1px solid rgba(95,143,99,.12);
  box-shadow:0 10px 26px rgba(28,49,32,.04);
}
.feature-card{
  padding:18px;
  min-height:150px;
}
.feature-mark{
  display:inline-flex;
  margin-bottom:12px;
  color:var(--green);
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
}
.feature-card h3{
  margin:0 0 8px;
  font-size:17px;
}
.feature-card p{
  margin:0;
  color:var(--muted);
  line-height:1.7;
  font-size:14px;
}

.flow-grid{
  display:grid;
  grid-template-columns:repeat(9,minmax(0,1fr));
  gap:10px;
  align-items:stretch;
}
.flow-step{
  grid-column:span 2;
  padding:16px;
}
.flow-step span{
  display:inline-flex;
  width:28px;
  height:28px;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  margin-bottom:10px;
  background:rgba(95,143,99,.14);
  color:#386046;
  font-weight:700;
  font-size:12px;
}
.flow-step strong{
  display:block;
  margin-bottom:6px;
  font-size:15px;
}
.flow-step p{
  margin:0;
  color:var(--muted);
  font-size:13px;
  line-height:1.65;
}
.flow-arrow{
  display:grid;
  place-items:center;
  color:rgba(95,112,99,.64);
  font-size:24px;
  font-weight:700;
}

.tech-grid{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.tech-grid span{
  padding:10px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.72);
  border:1px solid rgba(95,143,99,.12);
  color:var(--muted);
  font-size:13px;
}

.preview-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr .95fr;
  gap:14px;
}
.preview-panel{
  padding:18px;
}
.preview-title{
  margin-bottom:14px;
  font-size:15px;
  font-weight:700;
}
.preview-stats{
  display:grid;
  gap:10px;
}
.preview-stats div,
.alert-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:10px 12px;
  border-radius:16px;
  background:rgba(248,250,246,.92);
  border:1px solid rgba(95,143,99,.10);
}
.preview-stats span,
.alert-row span:first-child{
  color:var(--muted);
  font-size:13px;
}
.preview-stats strong{
  font-size:15px;
}
.chart .chart-lines{
  height:140px;
  display:flex;
  align-items:flex-end;
  gap:10px;
  padding:10px 0 14px;
}
.chart .chart-lines span{
  flex:1;
  min-height:18px;
  border-radius:999px 999px 10px 10px;
  background:linear-gradient(180deg, rgba(95,143,164,.40), rgba(95,143,99,.14));
}
.chart .chart-lines span:nth-child(1){height:48%;}
.chart .chart-lines span:nth-child(2){height:68%;}
.chart .chart-lines span:nth-child(3){height:40%;}
.chart .chart-lines span:nth-child(4){height:78%;}
.chart .chart-lines span:nth-child(5){height:56%;}
.chart .chart-lines span:nth-child(6){height:66%;}
.chart-caption{
  color:var(--muted);
  font-size:13px;
}
.alert-row + .alert-row{margin-top:10px;}
.badge{
  display:inline-flex;
  min-width:52px;
  justify-content:center;
  padding:4px 8px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
}
.badge.warn{background:rgba(217,140,69,.14);color:#a85e19;}
.badge.ok{background:rgba(95,143,99,.14);color:#386046;}
.badge.soft{background:rgba(95,143,164,.12);color:#4e7688;}

@media (max-width: 1080px){
  .hero,
  .preview-grid,
  .feature-grid{
    grid-template-columns:1fr 1fr;
  }
  .hero{
    min-height:auto;
    padding-top:18px;
  }
  .hero-visual{
    justify-content:flex-start;
  }
  .hero-panel{
    width:100%;
  }
  .feature-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .preview-grid{
    grid-template-columns:1fr;
  }
  .flow-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .flow-arrow{display:none;}
  .flow-step{grid-column:auto;}
}

@media (max-width: 720px){
  .site-header{
    align-items:flex-start;
    flex-direction:column;
  }
  .site-nav{
    width:100%;
    gap:12px;
  }
  .header-actions{
    width:100%;
  }
  .hero,
  .feature-grid,
  .preview-grid,
  .flow-grid{
    grid-template-columns:1fr;
  }
  .hero h1{
    max-width:none;
  }
  .hero-actions{
    width:100%;
  }
  .ghost-btn,
  .primary-btn,
  .text-btn{
    width:auto;
  }
  .visual-grid{
    grid-template-columns:1fr;
  }
  .plant-visual{
    height:180px;
  }
  .humidity-ring{
    width:108px;
    height:108px;
  }
  .leaf-a{left:18%; top:40px;}
  .leaf-b{left:34%; top:70px;}
  .leaf-c{left:49%; top:52px;}
  .section-alt{
    padding:22px 16px 6px;
  }
}