:root{
  --bg:#f7fbf8;
  --paper:#ffffff;
  --ink:#1d2b25;
  --muted:#65736c;
  --brand:#36b37e;
  --brand-dark:#198f62;
  --line:#dfe9e3;
  --soft:#ecf8f1;
  --gold:#ffc95c;
  --radius:28px;
  --shadow:0 18px 60px rgba(33, 69, 50, .10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.75}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{width:min(1160px,92vw);margin:0 auto}
.skip-link{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 12px;border-radius:10px;z-index:10}.skip-link:focus{left:12px}
.site-header{position:sticky;top:0;z-index:5;background:rgba(247,251,248,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(223,233,227,.75)}
.navbar{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 0}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:22px}.logo img{width:142px;height:auto}.nav-links{display:flex;flex-wrap:wrap;gap:10px}.nav-links a{font-weight:700;color:#31453b;padding:8px 12px;border-radius:999px}.nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--brand-dark)}
.search-row{padding:0 0 16px}.search-box{display:flex;gap:10px;background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:8px;box-shadow:0 8px 30px rgba(33,69,50,.06)}.search-box input{border:0;background:transparent;outline:0;flex:1;padding:10px 14px;font-size:16px}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;background:var(--brand);color:#fff;padding:12px 18px;font-weight:800;cursor:pointer}.btn:hover{background:var(--brand-dark)}.btn.secondary{background:#fff;color:var(--brand-dark);border:1px solid var(--line)}
.hero{padding:58px 0 34px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center}.eyebrow{display:inline-flex;gap:6px;align-items:center;color:var(--brand-dark);background:var(--soft);border:1px solid #d8efe0;padding:6px 12px;border-radius:999px;font-weight:800}h1,h2,h3,h4,h5,h6{line-height:1.2;margin:0 0 14px}h1{font-size:clamp(36px,5vw,64px);letter-spacing:-1.5px}h2{font-size:clamp(28px,4vw,44px)}h3{font-size:24px}.lead{font-size:20px;color:var(--muted);max-width:720px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0}.domain-card{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:16px 18px;box-shadow:var(--shadow);color:var(--muted)}.domain-card strong{color:var(--ink)}
.hero-media,.panel{background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius);overflow:hidden}.hero-media figure{margin:0}.image-description{font-size:14px;color:var(--muted);padding:12px 16px;background:#fff}.stats{display:flex;gap:14px;flex-wrap:wrap}.stat{background:#fff;border:1px solid var(--line);border-radius:20px;padding:12px 16px;min-width:130px}.stat b{display:block;font-size:23px;color:var(--brand-dark)}
.section{padding:54px 0}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:24px}.section-head p{max-width:680px;color:var(--muted);margin:0}.grid{display:grid;gap:20px}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 10px 40px rgba(33,69,50,.06)}.card p{color:var(--muted);margin:0}.badge-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.badge{font-size:13px;font-weight:800;background:var(--soft);color:var(--brand-dark);border-radius:999px;padding:6px 10px}
.video-card{position:relative;overflow:hidden;padding:0}.video-thumb{position:relative;aspect-ratio:16/10;background:#eaf5ee;overflow:hidden}.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}.video-card:hover .video-thumb img{transform:scale(1.04)}.play-button{position:absolute;inset:auto auto 18px 18px;width:58px;height:58px;border-radius:50%;border:0;background:rgba(54,179,126,.92);box-shadow:0 12px 30px rgba(0,0,0,.2);display:grid;place-items:center;opacity:.75;transition:.25s}.play-button:before{content:"";border-left:18px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:4px}.video-card:hover .play-button{opacity:1;transform:scale(1.06)}.video-body{padding:20px}.video-meta{display:flex;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:14px;margin-top:12px}.video-meta span{display:inline-flex;align-items:center;gap:4px}.video-tagline{font-weight:800;color:var(--brand-dark);margin:0 0 8px}
.timeline{border-left:3px solid var(--line);padding-left:20px}.timeline .item{position:relative;margin-bottom:18px}.timeline .item:before{content:"";position:absolute;left:-30px;top:8px;width:16px;height:16px;background:var(--brand);border-radius:50%;box-shadow:0 0 0 6px var(--soft)}
.review{display:flex;gap:16px}.avatar{flex:0 0 48px;height:48px;border-radius:16px;background:linear-gradient(135deg,var(--brand),var(--gold));display:grid;place-items:center;color:#fff;font-weight:900}.faq-item{border-bottom:1px solid var(--line);padding:18px 0}.faq-item summary{cursor:pointer;font-weight:900;font-size:18px}.faq-item p{color:var(--muted);margin:10px 0 0}.contact-box{display:grid;grid-template-columns:1fr 1fr;gap:20px}.breadcrumb{color:var(--muted);font-weight:700;margin:0 0 18px}.breadcrumb a{color:var(--brand-dark)}.page-hero{padding:46px 0 20px;background:linear-gradient(180deg,#f0faf4,rgba(240,250,244,0))}.notice{background:#fff9eb;border:1px solid #ffe1a8;border-radius:20px;padding:14px 18px;color:#72521b}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{width:100%;border:1px solid var(--line);border-radius:16px;padding:13px 14px;font:inherit;background:#fff}textarea.field{min-height:120px;resize:vertical}.share-actions{display:flex;gap:10px;flex-wrap:wrap}.site-footer{padding:38px 0 44px;background:#15241d;color:#e8f3ed;margin-top:50px}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:24px}.site-footer p,.site-footer li{color:#b8c9c0}.site-footer ul{margin:0;padding-left:20px}.footer-logo{width:152px;margin-bottom:12px}.update-time{display:inline-flex;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:6px 12px}.modal{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(20px);opacity:0;pointer-events:none;background:#17251e;color:#fff;border-radius:16px;padding:13px 18px;box-shadow:0 18px 45px rgba(0,0,0,.18);transition:.25s;z-index:30}.modal.show{opacity:1;transform:translateX(-50%) translateY(0)}
@media (max-width:900px){.hero-grid,.grid-3,.grid-4,.grid-2,.contact-box,.footer-grid{grid-template-columns:1fr}.section-head{display:block}.nav-links{display:none}.hero{padding-top:34px}.form-row{grid-template-columns:1fr}.stats{display:grid;grid-template-columns:1fr 1fr}.navbar{align-items:flex-start}.logo img{width:128px}}