:root{
  --bg:#f7faf8;
  --paper:#ffffff;
  --ink:#0d2526;
  --text:#263a3d;
  --muted:#687779;
  --line:#dfeae5;
  --jade:#0b7a62;
  --jade2:#13ad77;
  --gold:#b9842e;
  --orange:#f27a1a;
  --shadow:0 18px 50px rgba(6,48,42,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  min-width:320px;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
  line-height:1.8;
  letter-spacing:0;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{width:min(1120px,92vw);margin:0 auto}
.skip{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip:focus{left:16px;top:16px;width:auto;height:auto;background:#fff;border:1px solid var(--line);padding:8px 12px;z-index:99}
.topline{background:#062624;color:rgba(255,255,255,.86);font-size:14px}
.topline .container{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.topline b{color:#92ffd1}
.topbar{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;color:var(--jade)}
.logo{width:40px;height:40px;border-radius:8px;background:linear-gradient(135deg,var(--jade),var(--jade2));color:#fff;display:grid;place-items:center;font-size:20px}
.brand small{display:block;color:var(--muted);font-size:12px;margin-top:-4px}
.navlinks{display:flex;align-items:center;gap:20px;color:#405054;font-size:14px;font-weight:800}
.navlinks a:hover{color:var(--jade)}
.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:8px;padding:11px 16px;font-weight:900;line-height:1.2;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,#ff9b22,#f06b12);color:#fff;box-shadow:0 10px 24px rgba(242,122,26,.22)}
.btn-green{background:linear-gradient(135deg,var(--jade),var(--jade2));color:#fff;box-shadow:0 10px 24px rgba(19,173,119,.18)}
.hero{background:linear-gradient(135deg,#ffffff 0%,#edf7f1 100%);border-bottom:1px solid var(--line);padding:54px 0}
.hero-grid{display:grid;grid-template-columns:1fr 340px;gap:32px;align-items:center}
.crumb{font-size:14px;color:var(--muted);margin-bottom:18px}
.crumb a{color:var(--jade);font-weight:800}
.tag{display:inline-flex;align-items:center;border:1px solid #cce9dc;background:#eaf8f1;color:var(--jade);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:900;margin-bottom:14px}
h1{font-size:clamp(32px,5vw,52px);line-height:1.15;color:var(--ink);margin-bottom:16px;letter-spacing:0}
.lead{font-size:18px;color:#4c5f62;max-width:760px}
.meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.meta span{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 11px;font-size:13px;color:#526466;font-weight:800}
.hero-panel{background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);overflow:hidden}
.hero-panel img{height:260px;width:100%;object-fit:cover;object-position:top}
.hero-panel strong{display:block;padding:16px;color:var(--ink)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;padding:44px 0 64px;align-items:start}
.article-card,.side-card,.related-card,.cta-card{background:var(--paper);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}
.article-card{padding:34px}
.article-card p{font-size:17px;color:#31464a;margin:0 0 18px}
.article-card h2{font-size:26px;line-height:1.3;color:var(--ink);margin:30px 0 12px;letter-spacing:0}
.article-card ul{display:grid;gap:10px;margin:12px 0 20px;padding-left:0;list-style:none}
.article-card li{position:relative;padding-left:24px;color:#34494d;font-weight:700}
.article-card li:before{content:"";position:absolute;left:0;top:13px;width:8px;height:8px;border-radius:50%;background:var(--jade2)}
.note{border-left:4px solid var(--gold);background:#fff8ea;border-radius:8px;padding:16px 18px;margin-top:26px;color:#4b3a20}
.side-card{position:sticky;top:92px;padding:22px}
.side-card h3{font-size:20px;color:var(--ink);margin-bottom:10px}
.side-card p{font-size:14px;color:var(--muted);margin-bottom:16px}
.side-list{display:grid;gap:10px;margin:16px 0}
.side-list a,.side-list span{display:block;border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:#fbfdfc;font-size:14px;font-weight:800;color:#31464a}
.side-list a:hover{border-color:#9dddc6;color:var(--jade)}
.related{padding:0 0 72px}
.related h2{font-size:30px;color:var(--ink);margin-bottom:18px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-card{padding:20px;min-height:150px}
.related-card b{display:block;color:var(--jade);font-size:13px;margin-bottom:8px}
.related-card h3{font-size:18px;line-height:1.45;color:var(--ink);margin-bottom:8px}
.related-card p{font-size:14px;color:var(--muted)}
.cta{padding:0 0 72px}
.cta-card{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;padding:28px;background:linear-gradient(135deg,#082d2d,#0b6b58);color:#fff}
.cta-card h2{font-size:30px;line-height:1.25;margin-bottom:8px}
.cta-card p{color:rgba(255,255,255,.78)}
footer{background:#061f21;color:rgba(255,255,255,.72);padding:28px 0;text-align:center;font-size:14px}
@media (max-width:900px){
  .nav{height:auto;align-items:flex-start;padding:14px 0;flex-direction:column}
  .navlinks{flex-wrap:wrap;gap:12px}
  .hero-grid,.article-layout,.cta-card{grid-template-columns:1fr}
  .side-card{position:static}
  .related-grid{grid-template-columns:1fr}
  .article-card{padding:24px}
  h1{font-size:34px}
}