:root{
  --green:#163b32;
  --green-2:#24483e;
  --sage:#779b81;
  --cream:#f4ead8;
  --cream-2:#fbf7ef;
  --sand:#d8c199;
  --ink:#262b29;
  --muted:#66736d;
  --line:rgba(22,59,50,.14);
  --shadow:0 22px 70px rgba(22,59,50,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;background:var(--cream-2);color:var(--ink);line-height:1.75}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
.container{width:min(1160px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,247,239,.9);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:22px;letter-spacing:.03em;color:var(--green)}
.site-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.site-nav a{padding:10px 14px;border-radius:999px;color:#41504a;font-size:15px}
.site-nav a:hover,.site-nav a.active{background:var(--green);color:var(--cream)}
.nav-toggle{display:none;border:0;background:var(--green);color:var(--cream);border-radius:12px;width:44px;height:40px;font-size:22px}
.hero{padding:68px 0 42px}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:42px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid var(--line);border-radius:999px;color:var(--green);background:#fffaf0;font-size:14px;font-weight:700}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--sage)}
h1{font-size:clamp(40px,6vw,76px);line-height:1.08;margin:22px 0 20px;color:var(--green);letter-spacing:-.04em}
.lead{font-size:18px;color:#45534d;max-width:720px;margin:0 0 28px}
.hero-actions,.action-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 20px;border-radius:999px;border:1px solid var(--green);font-weight:800;transition:.2s ease;cursor:pointer}
.btn.primary{background:var(--green);color:var(--cream)}
.btn.secondary{background:transparent;color:var(--green)}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(22,59,50,.16)}
.hero-card{border:1px solid var(--line);border-radius:34px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.hero-card img{width:100%}
.hero-card-info{padding:22px;background:#fffaf0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.stat{padding:14px;border-radius:18px;background:var(--cream-2);border:1px solid var(--line)}
.stat strong{display:block;color:var(--green);font-size:22px}
.stat span{font-size:13px;color:var(--muted)}
.section{padding:58px 0}
.section.alt{background:var(--cream)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.18;color:var(--green);margin:0;letter-spacing:-.03em}
.section-head p{max-width:620px;color:var(--muted);margin:10px 0 0}
.grid{display:grid;gap:22px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fffaf0;border:1px solid var(--line);border-radius:28px;overflow:hidden;box-shadow:0 12px 36px rgba(22,59,50,.07)}
.card-body{padding:22px}
.card h3{margin:0 0 10px;color:var(--green);font-size:22px;line-height:1.3}
.card p{margin:0;color:#52625b}
.card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--cream)}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 14px}
.tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:rgba(119,155,129,.14);color:var(--green);font-size:13px;font-weight:700}
.meta-row{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:14px;margin-top:16px;border-top:1px solid var(--line);padding-top:14px}
.feature-band{background:var(--green);color:var(--cream);border-radius:36px;padding:38px;display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:center;overflow:hidden}
.feature-band h2{font-size:clamp(28px,4vw,46px);line-height:1.18;margin:0 0 14px;color:var(--cream)}
.feature-band p{color:rgba(244,234,216,.82);margin:0 0 22px}
.feature-band .btn.secondary{border-color:var(--cream);color:var(--cream)}
.feature-band img{border-radius:24px;border:1px solid rgba(244,234,216,.26)}
.list-panel{background:#fffaf0;border:1px solid var(--line);border-radius:30px;padding:26px}
.list-panel ul{margin:0;padding:0;list-style:none;display:grid;gap:14px}
.list-panel li{padding:16px;border-radius:18px;background:var(--cream-2);border:1px solid var(--line)}
.list-panel strong{display:block;color:var(--green);margin-bottom:4px}
.path-steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{counter-increment:step;background:#fffaf0;border:1px solid var(--line);border-radius:28px;padding:24px;position:relative;min-height:190px}
.step:before{content:counter(step);display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--green);color:var(--cream);font-weight:800;margin-bottom:18px}
.step h3{margin:0 0 10px;color:var(--green)}
.step p{margin:0;color:#52625b}
.faq{display:grid;gap:14px}
.faq details{background:#fffaf0;border:1px solid var(--line);border-radius:22px;padding:18px 20px}
.faq summary{cursor:pointer;font-weight:800;color:var(--green)}
.faq p{margin:12px 0 0;color:#52625b}
.page-hero{padding:64px 0 42px;background:linear-gradient(135deg,var(--cream-2),#e9ddc7)}
.page-hero h1{max-width:860px}
.page-hero .lead{max-width:800px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.info-box{border-radius:30px;border:1px solid var(--line);background:#fffaf0;padding:28px;box-shadow:0 12px 36px rgba(22,59,50,.06)}
.info-box h2,.info-box h3{color:var(--green);margin-top:0}
.check-list{padding:0;margin:0;list-style:none;display:grid;gap:12px}
.check-list li{padding-left:32px;position:relative;color:#52625b}
.check-list li:before{content:"✓";position:absolute;left:0;top:0;color:var(--green);font-weight:900}
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.filter-btn{border:1px solid var(--line);background:#fffaf0;color:var(--green);border-radius:999px;padding:10px 16px;cursor:pointer;font-weight:800}
.filter-btn.active,.filter-btn:hover{background:var(--green);color:var(--cream)}
.video-list{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.video-item{display:grid;grid-template-columns:200px 1fr;gap:20px;background:#fffaf0;border:1px solid var(--line);border-radius:28px;overflow:hidden}
.video-item img{height:100%;min-height:170px;object-fit:cover}
.video-item .card-body{padding:20px}
.form{display:grid;gap:14px}
.form label{font-weight:800;color:var(--green)}
.form input,.form textarea,.form select{width:100%;border:1px solid var(--line);background:#fff;border-radius:16px;padding:13px 14px;font:inherit;color:var(--ink)}
.form textarea{min-height:130px;resize:vertical}
.form-note{border-radius:18px;background:rgba(119,155,129,.14);color:var(--green);padding:14px 16px;display:none}
.form-note.show{display:block}
.site-footer{background:#102a25;color:rgba(244,234,216,.78);padding:54px 0 24px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr;gap:28px}
.footer-brand{font-size:26px;font-weight:900;color:var(--cream);margin-bottom:10px}
.site-footer h2{font-size:18px;color:var(--cream);margin:0 0 12px}
.site-footer a{display:block;margin:8px 0;color:rgba(244,234,216,.82)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;border-top:1px solid rgba(244,234,216,.16);padding-top:22px;margin-top:30px;font-size:14px}
@media (max-width:980px){
  .hero-grid,.feature-band,.two-col{grid-template-columns:1fr}
  .grid.cols-4,.grid.cols-3{grid-template-columns:repeat(2,1fr)}
  .path-steps{grid-template-columns:repeat(2,1fr)}
  .video-list{grid-template-columns:1fr}
}
@media (max-width:760px){
  .container{width:min(100% - 28px,1160px)}
  .nav-toggle{display:block}
  .site-nav{display:none;position:absolute;left:14px;right:14px;top:76px;background:#fffaf0;border:1px solid var(--line);border-radius:24px;padding:12px;box-shadow:var(--shadow)}
  .site-nav.open{display:grid}
  .site-nav a{padding:12px 14px}
  .hero{padding-top:44px}
  .hero-card-info{grid-template-columns:1fr}
  .section-head{display:block}
  .grid.cols-4,.grid.cols-3,.path-steps,.footer-grid{grid-template-columns:1fr}
  .video-item{grid-template-columns:1fr}
  .video-item img{height:auto;min-height:auto}
  .feature-band{padding:26px;border-radius:28px}
  .footer-bottom{display:block}
}