:root{--bg:#ffffff;--text:#0c0c0c;--muted:#6b7280;--brand:#10a37f;--brand-dark:#0b7b61;--gray:#f5f5f5;--gray-line:#e6e6e6;--card:#ffffff}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}
a{text-decoration:none;color:var(--brand)}
header{position:sticky;top:0;background:var(--gray);border-bottom:1px solid var(--gray-line);z-index:10}
.wrap{max-width:1200px;margin:0 auto;padding:0 16px}
.nav{display:flex;align-items:center;gap:16px;height:60px}
.logo{font-weight:700;color:var(--text)}
.icon{margin-right:6px}
.menu{display:flex;gap:12px}
.menu a{color:var(--text);padding:8px 10px;border-radius:8px}
.menu a:hover{background:#fff;border:1px solid var(--gray-line)}
.search{flex:1;display:flex;gap:8px}
.search input{flex:1;padding:10px 12px;border:1px solid var(--gray-line);border-radius:8px}
.search button{padding:10px 14px;border:1px solid var(--gray-line);background:#fff;border-radius:8px}
.hero{background:linear-gradient(180deg,#ffffff,#f3f7f6);padding:64px 0;border-bottom:1px solid var(--gray-line)}
.hero h1{margin:0 0 12px 0;font-size:34px}
.hero p{margin:0 0 16px 0;color:var(--muted);max-width:860px}
.cta{display:flex;gap:12px}
.cta a{display:inline-block;background:var(--brand);color:#fff;padding:10px 14px;border-radius:10px}
.cta a.secondary{background:#fff;color:var(--text);border:1px solid var(--gray-line)}
.hero .features{display:flex;gap:16px;flex-wrap:wrap;margin-top:16px}
.hero .features .chip{border:1px solid var(--gray-line);background:#fff;border-radius:999px;padding:8px 12px;color:var(--text)}
.hero .cols{display:flex;gap:24px;flex-wrap:wrap;margin-top:16px}
.hero .col{flex:1 1 300px;min-width:280px}
.list{padding-left:18px;color:var(--text)}
.list li{margin:6px 0}
.section{padding:24px 0;border-bottom:1px solid var(--gray-line)}
.section-title{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:12px}
.section-title h2{margin:0;font-size:22px}
.section-title .hint{color:var(--muted);font-size:14px}
.grid{display:grid;grid-template-columns:repeat(1,1fr);gap:16px;padding:16px 0}
.card{border:1px solid var(--gray-line);border-radius:12px;background:var(--card);padding:16px;display:flex;flex-direction:column;gap:8px}
.card .title{font-weight:600}
.card .desc{color:var(--muted);font-size:14px}
.card .tags{display:flex;gap:8px;flex-wrap:wrap}
.card .tags .chip{border:1px solid var(--gray-line);background:#fff;border-radius:999px;padding:6px 10px;font-size:12px;color:var(--text)}
.badges{display:flex;gap:6px;flex-wrap:wrap;margin:6px 0}
.badge{display:inline-block;border:1px solid var(--gray-line);background:#fdfdfd;color:var(--text);border-radius:6px;padding:4px 8px;font-size:12px}
.card .btns{display:flex;gap:8px;margin-top:8px}
.btn{display:inline-block;padding:8px 12px;border-radius:8px;border:1px solid var(--gray-line);color:var(--text);background:#fff}
.btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}
footer{border-top:1px solid var(--gray-line);padding:20px 0;color:var(--muted)}
@media(min-width:640px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:900px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1200px){.grid{grid-template-columns:repeat(4,1fr)}}
.breadcrumb{margin:12px 0;color:var(--muted);font-size:14px}
.breadcrumb a{color:var(--text)}
.section h2{margin:0 0 8px 0}
.panel{border:1px solid var(--gray-line);background:#fff;border-radius:12px;padding:16px;box-shadow:0 2px 8px rgba(0,0,0,0.04);margin:12px 0}
.panel h2{margin:0 0 8px 0}
article h2{font-size:20px;margin:12px 0}
article p{line-height:1.7}
.recommend-grid{display:grid;grid-template-columns:repeat(1,1fr);gap:12px;margin:12px 0}
.recommend-card{border:1px solid var(--gray-line);background:#fff;border-radius:10px;padding:12px}
.recommend-card .title{font-weight:600;margin-bottom:6px}
.recommend-card .desc{color:var(--muted);font-size:14px;margin-bottom:8px}
.link-block a{display:inline-block;margin-right:10px;margin-bottom:6px}
@media(min-width:640px){.recommend-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:900px){.recommend-grid{grid-template-columns:repeat(3,1fr)}}