:root{
  --green:#168978; --green-d:#0d6b5e; --bg:#f5f7f6; --card:#fff;
  --text:#1f2a28; --muted:#6b7a76; --bd:#e3e9e7; --radius:16px;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.7}
.wrap{max-width:960px;margin:0 auto;padding:0 16px}
a{color:var(--green-d);text-decoration:none}
a:hover{text-decoration:underline}
.site-header{background:var(--card);border-bottom:1px solid var(--bd);position:sticky;top:0;z-index:10}
.site-header .wrap{display:flex;align-items:center;gap:16px;height:60px}
.brand{font-weight:800;font-size:22px;color:var(--green);letter-spacing:.5px}
.nav{display:flex;gap:14px;flex:1;flex-wrap:wrap}
.nav a{color:var(--muted);font-size:15px}
.nav a.active{color:var(--green);font-weight:700}
.lang-switch select{padding:6px 8px;border:1px solid var(--bd);border-radius:8px;background:#fff;font-size:14px}
.hero{text-align:center;padding:56px 16px 40px}
.hero h1{font-size:52px;margin:0;color:var(--green);letter-spacing:1px}
.tagline{font-size:19px;color:var(--muted);max-width:640px;margin:14px auto 26px}
.searchbar{display:flex;gap:8px;max-width:520px;margin:0 auto}
.searchbar input{flex:1;padding:12px 14px;border:1px solid var(--bd);border-radius:10px;font-size:16px}
.searchbar button{background:var(--green);color:#fff;border:0;border-radius:10px;padding:0 22px;font-size:16px;cursor:pointer}
.block{padding:28px 0}
.block h1{font-size:28px;margin:0 0 8px}
.block h2{font-size:21px;margin:0 0 16px;color:var(--green-d)}
.muted{color:var(--muted)}
.small{font-size:13px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px}
.cat-card{background:var(--card);border:1px solid var(--bd);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:6px;transition:.15s}
.cat-card:hover{box-shadow:0 6px 20px rgba(22,137,120,.12);transform:translateY(-2px);text-decoration:none}
.cat-id{font-size:13px;color:var(--green);font-weight:700}
.cat-title{font-size:16px;font-weight:600;color:var(--text)}
.cat-count{font-size:12px;color:var(--muted)}
.linklist{list-style:none;padding:0;margin:0}
.linklist li{padding:10px 0;border-bottom:1px solid var(--bd)}
.catlist{list-style:none;padding:0;columns:2;column-gap:28px}
.catlist li{padding:8px 0;break-inside:avoid}
.crumb{color:var(--muted);font-size:14px;margin-bottom:8px}
.crumb a{color:var(--muted)}
.eid{background:var(--green);color:#fff;border-radius:6px;font-size:14px;padding:2px 8px;margin-right:6px}
.entry-body{font-size:17px;margin:18px 0;white-space:normal}
.source,.note{font-size:14px;color:var(--muted);background:#eef3f1;border-radius:10px;padding:12px 14px;margin-top:12px}
.entry{min-height:60vh}
.site-footer{background:var(--card);border-top:1px solid var(--bd);margin-top:48px;padding:28px 0;font-size:14px;color:var(--muted)}
.flinks{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:12px}
.flink-title{font-weight:700;color:var(--text);margin-right:6px}
.copy{font-size:13px}
.lang-center{text-align:center;padding:60px 16px}
.big-brand{font-size:54px;color:var(--green);margin:0}
.lang-grid{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin:28px 0}
.lc{display:flex;flex-direction:column;align-items:center;gap:6px;width:120px;padding:16px;border:1px solid var(--bd);border-radius:var(--radius);background:#fff}
.lc .flag{font-size:30px}
@media(max-width:680px){.two-col{grid-template-columns:1fr}.catlist{columns:1}}