:root{
    --bg:#f7fbf8;
    --card:#ffffff;
    --ink:#183226;
    --muted:#64746b;
    --brand:#2f9d68;
    --brand-dark:#1f7650;
    --accent:#f6b65c;
    --line:#dce8e0;
    --soft:#eaf7ee;
    --shadow:0 16px 42px rgba(24,50,38,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.7}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.site-header{position:sticky;top:0;z-index:30;background:rgba(247,251,248,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.topbar{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 20px 10px}
.logo img,.footer-logo img{width:190px;height:auto}
.domain-pill{font-size:14px;color:var(--brand-dark);background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:8px 14px;white-space:nowrap}
.main-nav{max-width:1180px;margin:auto;padding:0 20px 12px;display:flex;gap:10px;overflow-x:auto}
.main-nav a{font-weight:700;color:var(--brand-dark);background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;white-space:nowrap}
.main-nav a:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.search-strip{max-width:1180px;margin:auto;padding:0 20px 14px}
.search-box{display:flex;gap:10px}
.search-box input{flex:1;border:1px solid var(--line);border-radius:16px;padding:13px 16px;font-size:16px;background:#fff;color:var(--ink)}
.search-box button,.btn{border:0;border-radius:16px;padding:13px 18px;background:var(--brand);color:#fff;font-weight:800;cursor:pointer;box-shadow:0 8px 18px rgba(47,157,104,.22)}
.search-box button:hover,.btn:hover{background:var(--brand-dark)}
.search-hint{margin:8px 0 0;font-size:13px;color:var(--muted)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
main{max-width:1180px;margin:auto;padding:26px 20px 48px}
.hero{display:grid;grid-template-columns:1.08fr .92fr;gap:28px;align-items:center;padding:28px;background:linear-gradient(135deg,#ffffff 0%,#eaf7ee 100%);border:1px solid var(--line);border-radius:34px;box-shadow:var(--shadow)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand-dark);font-weight:800;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 12px;margin:0 0 12px}
h1{font-size:clamp(32px,5vw,54px);line-height:1.12;margin:0 0 16px;letter-spacing:-.02em}
.hero p{font-size:18px;color:#40594a;margin:0 0 18px}.meta-row{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}.meta-row span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 12px;font-size:14px;color:var(--muted)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.ghost{background:#fff;color:var(--brand-dark);border:1px solid var(--line);box-shadow:none}.hero-media figure{margin:0}.hero-media img{border-radius:26px;border:1px solid var(--line);box-shadow:0 18px 36px rgba(31,118,80,.16)}
figcaption{font-size:13px;color:var(--muted);margin-top:9px}
.section{margin-top:34px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:16px}.section h2{font-size:28px;margin:0}.section-head p{margin:4px 0 0;color:var(--muted)}
.grid{display:grid;gap:18px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:20px;box-shadow:0 10px 26px rgba(24,50,38,.06)}
.card:hover{transform:translateY(-2px);transition:.18s ease;box-shadow:var(--shadow)}
.card h3{margin:0 0 10px;font-size:20px}.card p{margin:0 0 12px;color:var(--muted)}
.card .thumb{border-radius:18px;margin:-4px 0 14px;aspect-ratio:16/9;object-fit:cover;background:var(--soft)}
.tag-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.tag{font-size:13px;color:var(--brand-dark);background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:4px 9px}.stats{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px;color:var(--muted);font-size:13px}.stats strong{color:var(--ink)}
.video-card{position:relative;overflow:hidden;border-radius:24px;border:1px solid var(--line);background:#fff;box-shadow:0 10px 26px rgba(24,50,38,.07)}
.video-card video,.video-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--soft)}
.video-card .play-overlay{position:absolute;inset:0;display:grid;place-items:center;opacity:0;transition:.22s ease;background:rgba(24,50,38,.22)}
.video-card:hover .play-overlay{opacity:1}.play-button{width:74px;height:74px;border-radius:50%;background:#fff;display:grid;place-items:center;box-shadow:0 10px 30px rgba(0,0,0,.22)}.play-button::before{content:"";border-left:22px solid var(--brand);border-top:14px solid transparent;border-bottom:14px solid transparent;margin-left:6px}
.video-card .video-body{padding:18px}.video-card h3{margin:0 0 8px}.video-card p{margin:0;color:var(--muted)}
.news-list{display:grid;gap:12px}.news-item{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:20px;padding:12px}.news-item img{border-radius:16px;aspect-ratio:16/10;object-fit:cover}.news-item h3{margin:0 0 6px}.news-item p{margin:0;color:var(--muted)}
.topic-band{background:linear-gradient(135deg,var(--brand-dark),var(--brand));color:#fff;border-radius:30px;padding:28px;display:grid;grid-template-columns:1fr 260px;gap:20px;align-items:center}.topic-band p{color:#ecfff4}.topic-band .tag{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.28)}
.author{display:flex;gap:14px;align-items:flex-start}.avatar{width:54px;height:54px;border-radius:18px;background:var(--soft);display:grid;place-items:center;color:var(--brand-dark);font-weight:900;border:1px solid var(--line);flex:0 0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px}.faq details+details{margin-top:12px}.faq summary{font-weight:800;cursor:pointer}.faq p{color:var(--muted)}
.comment{border-left:4px solid var(--brand);padding-left:14px}.comment cite{display:block;margin-top:8px;color:var(--brand-dark);font-weight:800;font-style:normal}
.breadcrumb{font-size:14px;color:var(--muted);margin:0 0 18px}.breadcrumb a{color:var(--brand-dark);font-weight:700}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:24px}.article{background:#fff;border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:var(--shadow)}.article h1{font-size:42px}.article h2{margin-top:28px}.article p{color:#3f5448}.article ul{padding-left:20px}.article li{margin:8px 0}.sidebar{position:sticky;top:185px;align-self:start}.quote-box{background:var(--soft);border:1px solid var(--line);border-radius:20px;padding:18px;color:var(--brand-dark);font-weight:700}
.json-panel{background:#101b15;color:#dff9e8;border-radius:22px;padding:18px;overflow:auto;font-size:13px;max-height:340px}.json-panel code{white-space:pre}.site-footer{background:#183226;color:#eaf7ee;padding:38px 20px 22px}.footer-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:24px}.footer-grid p{color:#cde4d5}.footer-grid a{display:block;color:#fff;margin:6px 0}.footer-logo img{background:#fff;border-radius:18px}.copyright{max-width:1180px;margin:24px auto 0;color:#cde4d5;font-size:14px;border-top:1px solid rgba(255,255,255,.16);padding-top:18px}
@media (max-width:900px){.hero,.article-layout,.topic-band{grid-template-columns:1fr}.grid-3,.grid-4,.footer-grid{grid-template-columns:1fr}.grid-2{grid-template-columns:1fr}.section-head{display:block}.news-item{grid-template-columns:92px 1fr}.topbar{align-items:flex-start;flex-direction:column}.domain-pill{white-space:normal}.article h1{font-size:32px}.sidebar{position:static}.search-box{flex-direction:column}.search-box button{width:100%}}