:root{
  --green:#1f7a3d; --green-d:#155c2d; --ink:#1c2b22; --muted:#5b6b60;
  --bg:#f6faf7; --card:#ffffff; --line:#e2ece5; --accent:#f5a623;
  --radius:14px; --maxw:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--green-d);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 18px}

.site-header{background:linear-gradient(135deg,var(--green),var(--green-d));color:#fff;position:sticky;top:0;z-index:20;box-shadow:0 2px 10px rgba(0,0,0,.08)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 18px}
.brand{color:#fff;font-weight:800;font-size:1.15rem}
.brand:hover{text-decoration:none;opacity:.92}
.topnav a{color:#eafff0;margin-left:16px;font-weight:600;font-size:.92rem}
.topnav a:hover{color:#fff}

main{padding:22px 0 10px}
h1{font-size:1.7rem;line-height:1.3;margin:.2em 0 .5em}
h2{font-size:1.25rem;margin:1.4em 0 .5em;border-left:4px solid var(--green);padding-left:10px}
h3{font-size:1.05rem;margin:.2em 0 .4em}
.lede{color:var(--muted);font-size:1.02rem}

.breadcrumb{font-size:.85rem;color:var(--muted);margin:4px 0 12px}
.breadcrumb a{color:var(--muted)}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin:18px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 16px 14px;display:flex;flex-direction:column;transition:.18s}
.card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(31,122,61,.12);border-color:#cfe6d6}
.card .tag{display:inline-block;font-size:.72rem;font-weight:700;color:var(--green-d);background:#e7f5ec;border-radius:999px;padding:2px 10px;margin-bottom:8px;align-self:flex-start}
.card p{color:var(--muted);font-size:.92rem;margin:0 0 12px}
.card .readmore{margin-top:auto;font-weight:700;font-size:.9rem}
.card .thumb{display:block;margin:-16px -16px 12px;border-radius:var(--radius) var(--radius) 0 0;overflow:hidden;aspect-ratio:16/9;background:#eef4ef}
.card .thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:.25s}
.card:hover .thumb img{transform:scale(1.04)}

.hero{margin:0 0 18px}
.hero img{width:100%;height:auto;border-radius:12px;display:block;aspect-ratio:16/9;object-fit:cover;background:#eef4ef}
.hero .credit{color:var(--muted);font-size:.78rem;margin:6px 2px 0;line-height:1.35}

.article{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px}
.article p{margin:0 0 1em}
.article .meta{color:var(--muted);font-size:.9rem;background:#f1f8f3;border-radius:10px;padding:10px 14px}
.faq details{border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:8px 0;background:#fbfefc}
.faq summary{font-weight:700;cursor:pointer}
.related{margin:0;padding-left:1.1em}
.related li{margin:.3em 0}
.ad-slot{margin:18px 0;padding:14px;border:1px dashed #c9dccf;border-radius:10px;text-align:center;color:#9db3a4;font-size:.8rem}

/* pager: next / prev */
.pager{display:flex;justify-content:space-between;gap:12px;margin:26px 0 8px}
.btn{display:inline-block;padding:10px 18px;border-radius:999px;font-weight:700;font-size:.92rem}
.btn.prev,.btn.next{background:var(--green);color:#fff}
.btn.prev:hover,.btn.next:hover{background:var(--green-d);text-decoration:none}
.btn.disabled{background:#dfe8e2;color:#9bb0a3;pointer-events:none}

/* numbered pagination */
.pagination{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin:22px 0 6px}
.pnum{min-width:40px;text-align:center;padding:8px 10px;border:1px solid var(--line);border-radius:9px;background:#fff;font-weight:700;font-size:.9rem}
.pnum:hover{background:#eaf6ee;text-decoration:none}
.pnum.current{background:var(--green);color:#fff;border-color:var(--green)}
.gap{color:var(--muted);padding:8px 4px}

.site-footer{background:#0f3d20;color:#cfe6d6;margin-top:34px;padding:22px 0}
.site-footer .wrap{display:block}
.site-footer a{color:#a9e3bd}
.site-footer p{margin:.3em 0;font-size:.88rem}

@media(max-width:560px){
  .article{padding:18px}
  h1{font-size:1.4rem}
  .topnav a{margin-left:10px;font-size:.85rem}
}