*{margin:0;padding:0;box-sizing:border-box}
:root{
  --g7:#15803d;
  --g9:#14532d;
  --g5:#22c55e;
  --g2:#bbf7d0;
  --g1:#dcfce7;
  --cream:#f7f9f4;
  --gray:#eef2ea;
  --line:#dfe8dc;
  --ink:#1c2a22;
  --muted:#5b6b60;
}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;
  color:var(--ink);
  background:var(--cream);
  line-height:1.78;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,span,a,li,div,summary,strong{font-family:inherit}
img{max-width:100%;display:block;height:auto}
a{color:var(--g7)}
.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(135deg,rgba(20,83,45,.98),rgba(21,128,61,.96));
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:0 4px 18px rgba(20,83,45,.18);
}
.header-inner{
  max-width:1180px;margin:0 auto;padding:12px 20px;
  display:flex;align-items:center;justify-content:space-between;
  gap:14px;flex-wrap:wrap;
}
.brand{
  color:#fff;font-weight:700;font-size:19px;text-decoration:none;
  display:flex;align-items:center;gap:8px;letter-spacing:.4px;
}
.brand span.logo-dot{
  width:12px;height:12px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,#86efac,#15803d);
  box-shadow:0 0 0 3px rgba(187,247,208,.25);
}
.nav-links{display:flex;flex-wrap:wrap;gap:6px}
.nav-links a{
  color:#d8f3e0;text-decoration:none;font-size:15px;
  padding:7px 14px;border-radius:999px;transition:background .2s,color .2s;
  white-space:nowrap;
}
.nav-links a:hover,.nav-links a:focus{background:rgba(255,255,255,.16);color:#fff}

/* Hero */
#hero{
  background:linear-gradient(135deg,#15803d 0%,#166534 48%,#14532d 100%);
  color:#fff;padding:60px 20px 68px;position:relative;overflow:hidden;
}
#hero::after{
  content:"";position:absolute;inset:auto -80px -120px auto;
  width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,197,94,.38),transparent 70%);
}
.hero-inner{
  max-width:1180px;margin:0 auto;position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
}
.hero-tag{
  display:inline-block;font-size:13px;letter-spacing:2px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;color:#dcfce7;
}
h1{
  font-size:34px;line-height:1.35;font-weight:700;letter-spacing:.5px;
  margin-bottom:18px;text-shadow:0 2px 12px rgba(0,0,0,.16);
}
.hero-lead{color:#d9f2e2;font-size:16.5px;max-width:620px}
.hero-figure{
  border-radius:22px;overflow:hidden;border:1px solid rgba(255,255,255,.28);
  box-shadow:0 22px 46px rgba(0,0,0,.28);background:rgba(255,255,255,.08);
}
.hero-figure img{aspect-ratio:4/3;object-fit:cover;width:100%}

/* Sections */
.section{max-width:1180px;margin:0 auto;padding:60px 20px}
.section-head{margin-bottom:30px}
.section-kicker{
  display:inline-block;font-size:13px;letter-spacing:2px;color:var(--g7);
  background:var(--g1);border:1px solid var(--g2);
  padding:5px 13px;border-radius:999px;margin-bottom:12px;font-weight:600;
}
h2{
  font-size:26px;line-height:1.4;color:#123a24;font-weight:700;
  position:relative;padding-left:16px;
}
h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;
  border-radius:4px;background:linear-gradient(180deg,#22c55e,#14532d);
}
h3{font-size:18px;color:#123a24;margin-bottom:8px;font-weight:700}
p{color:var(--muted)}
.lead{font-size:16.5px;color:#2f4238}

/* GEO */
#geo-intro{
  background:linear-gradient(180deg,#ffffff,#f2f8f0);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:52px 20px;
}
.geo-inner{max-width:1180px;margin:0 auto}
.geo-inner p{font-size:16.5px;color:#2f4238;line-height:1.95}
.geo-inner p + p{margin-top:14px}

/* Cards & grids */
.grid{display:grid;gap:20px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:22px;box-shadow:0 8px 22px rgba(20,83,45,.06);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(20,83,45,.12);border-color:var(--g2)}
.card .icon{font-size:24px;margin-bottom:10px;display:block}
.card p{font-size:15px}

/* Stats */
#data-stats{background:linear-gradient(135deg,#14532d,#15803d);color:#fff;padding:56px 20px}
.stats-inner{max-width:1180px;margin:0 auto}
.stats-inner h2{color:#fff}
.stats-inner h2::before{background:linear-gradient(180deg,#86efac,#22c55e)}
.stats-inner .section-kicker{background:rgba(255,255,255,.14);color:#dcfce7;border-color:rgba(255,255,255,.3)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:26px}
.stat{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  border-radius:16px;padding:22px;text-align:center;
}
.stat strong{display:block;font-size:28px;color:#bbf7d0;letter-spacing:.5px}
.stat span{font-size:14px;color:#d9f2e2}

/* Story */
.story-wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:34px;align-items:center}
.story-figure{border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:0 16px 34px rgba(20,83,45,.12)}
.story-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}

/* Events */
.event-banner{
  border-radius:20px;overflow:hidden;border:1px solid var(--line);
  box-shadow:0 16px 34px rgba(20,83,45,.1);margin-bottom:24px;
}
.event-banner img{width:100%;aspect-ratio:21/8;object-fit:cover}
.event-meta{font-size:13.5px;color:var(--g7);font-weight:600;margin-bottom:6px}

/* News */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.news-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:24px;box-shadow:0 8px 22px rgba(20,83,45,.06);
  border-left:4px solid var(--g7);transition:transform .2s,box-shadow .2s;
}
.news-item:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(20,83,45,.12)}
.news-date{
  display:inline-block;font-size:13px;color:#166534;background:var(--g1);
  border:1px solid var(--g2);border-radius:999px;padding:3px 12px;
  margin-bottom:10px;font-weight:600;
}
.news-item h3{font-size:17.5px;margin-bottom:8px;line-height:1.5}
.news-item p{font-size:15px}
.news-figure{border-radius:16px;overflow:hidden;border:1px solid var(--line);margin-bottom:22px}
.news-figure img{width:100%;aspect-ratio:21/7;object-fit:cover}

/* Highlights */
#highlights{background:linear-gradient(180deg,#f2f8f0,#ffffff);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.hl-wrap{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.hl-figure{border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:0 16px 34px rgba(20,83,45,.12)}
.hl-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hl-list{list-style:none;margin-top:16px}
.hl-list li{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:12px 16px;margin-bottom:10px;font-size:15px;color:#2f4238;
}
.hl-list li::before{content:"🌿";margin-right:8px}

/* Partners */
.partner-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.partner{
  background:#fff;border:1px dashed #cfe0cb;border-radius:14px;
  padding:18px 10px;text-align:center;font-size:14px;color:#3b5443;font-weight:600;
}

/* FAQ */
#faq{background:linear-gradient(180deg,#ffffff,#f2f8f0);border-top:1px solid var(--line)}
.faq-list{display:grid;gap:14px;margin-top:8px}
details{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:16px 20px;box-shadow:0 6px 18px rgba(20,83,45,.05);
}
details[open]{border-color:var(--g2);box-shadow:0 10px 24px rgba(20,83,45,.1)}
summary{
  cursor:pointer;font-weight:700;color:#123a24;font-size:16.5px;
  list-style:none;display:flex;align-items:flex-start;gap:10px;line-height:1.6;
}
summary::-webkit-details-marker{display:none}
summary::before{content:"🍃";flex:none}
details p{margin-top:12px;font-size:15px;line-height:1.9;color:#3b5443}

/* CTA */
#cta{
  background:linear-gradient(135deg,#15803d,#14532d);color:#fff;
  padding:56px 20px;text-align:center;
}
.cta-inner{max-width:860px;margin:0 auto}
.cta-inner h2{color:#fff;padding-left:0;text-align:center;justify-content:center}
.cta-inner h2::before{display:none}
.cta-inner p{color:#d9f2e2;margin:14px auto 26px;font-size:16.5px}
.btn-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-block;text-decoration:none;padding:12px 28px;border-radius:999px;
  font-weight:700;font-size:15.5px;transition:transform .2s,box-shadow .2s;
}
.btn-primary{background:#bbf7d0;color:#14532d;box-shadow:0 10px 24px rgba(0,0,0,.18)}
.btn-ghost{border:1px solid rgba(255,255,255,.6);color:#fff}
.btn:hover{transform:translateY(-2px)}

/* Footer */
.site-footer{
  background:#0f3d24;color:#c9e6d3;padding:44px 20px 26px;
  border-top:4px solid #22c55e;
}
.footer-inner{max-width:1180px;margin:0 auto}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:30px;margin-bottom:26px}
.footer-grid h4{color:#fff;font-size:16px;margin-bottom:12px}
.footer-inner p{color:#bcd9c6;font-size:14.5px;margin-bottom:7px}
.footer-inner a{color:#bbf7d0;text-decoration:none}
.footer-inner a:hover{text-decoration:underline}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding-top:16px;
  font-size:14px;color:#a9c9b6;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
}

/* Responsive */
@media (max-width:980px){
  .hero-inner,.story-wrap,.hl-wrap,.footer-grid{grid-template-columns:1fr}
  .grid-4,.grid-3,.stat-grid{grid-template-columns:repeat(2,1fr)}
  .partner-grid{grid-template-columns:repeat(3,1fr)}
  h1{font-size:27px}
  h2{font-size:22px}
}
@media (max-width:640px){
  .grid-4,.grid-3,.grid-2,.stat-grid,.news-grid,.partner-grid{grid-template-columns:1fr}
  .section{padding:44px 16px}
  h1{font-size:23px}
  #hero{padding:44px 16px 52px}
  .header-inner{padding:10px 14px}
  .nav-links a{font-size:14px;padding:6px 10px}
}