:root{
  --green:#2E7D32; --green-dark:#1B5E20; --green-light:#E8F5E9;
  --orange:#E8872B; --ink:#1F2329; --muted:#646A73; --line:#DEE3E8; --bg:#FFFFFF;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px}
a{color:var(--green);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:960px;margin:0 auto;padding:0 16px}
.muted{color:var(--muted);font-size:14px}

.site-header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:10}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:56px}
.brand{font-size:22px;font-weight:800;color:var(--green-dark)}
.brand span{color:var(--orange)}
.nav-toggle{display:none}
.nav-toggle-label{font-size:24px;cursor:pointer;color:var(--green);display:none}
.site-nav a{margin-left:18px;color:var(--ink);font-size:15px}
.site-nav a:hover{color:var(--green);text-decoration:none}
@media (max-width:760px){
  .nav-toggle-label{display:block}
  .site-nav{display:none;position:absolute;top:56px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 16px}
  .site-nav a{display:block;margin:8px 0;font-size:16px}
  .nav-toggle:checked ~ .site-nav{display:block}
}

.hero{background:linear-gradient(135deg,var(--green-dark),var(--green));color:#fff;padding:48px 0;text-align:center}
.hero h1{font-size:36px;margin-bottom:8px}
.hero .slogan{font-size:20px;margin-bottom:8px}
.hero .muted{color:#E8F5E9}

.modules{padding:32px 16px}
.section-title{font-size:22px;color:var(--green-dark);margin-bottom:16px;padding-left:10px;border-left:4px solid var(--orange)}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.card{display:block;border:1px solid var(--line);border-radius:10px;padding:16px;background:#fff;transition:border-color .15s}
.card:hover{border-color:var(--green);text-decoration:none}
.card h3{color:var(--green-dark);font-size:17px;margin-bottom:6px}
.card p{color:var(--muted);font-size:14px}

.dahu-card{border-top:3px solid var(--orange)}
.dahu-meta{font-size:14px;color:var(--ink);margin-bottom:2px}
.dahu-desc{margin-top:6px}
.more{margin-top:14px;text-align:right;font-size:14px}

.tech-group{margin-bottom:26px}
.tech-group > h3{display:inline-block;font-size:13px;color:var(--orange);background:#FDF1E3;font-weight:700;letter-spacing:1px;padding:4px 12px;border-radius:999px;margin:0 0 10px;text-transform:none}
.tech-list{list-style:none;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.tech-list li{border-bottom:1px solid var(--line)}
.tech-list li:last-child{border-bottom:none}
.tech-list a{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:16px 18px;text-decoration:none;transition:background .15s}
.tech-list a:hover{background:var(--green-light);text-decoration:none}
.tech-list .t-main{flex:1;min-width:0}
.tech-list a .t-title{display:block;font-size:16px;font-weight:700;color:var(--green-dark);margin-bottom:3px}
.tech-list a:hover .t-title{color:var(--green)}
.tech-list a .t-desc{display:block;font-size:13px;color:var(--muted);line-height:1.6;font-weight:400}
.tech-list .t-arrow{color:var(--line);font-size:18px;flex-shrink:0;transition:color .15s,transform .15s}
.tech-list a:hover .t-arrow{color:var(--green);transform:translateX(3px)}

.page{padding:28px 16px 48px}
.page h1{font-size:26px;margin-bottom:12px;color:var(--green-dark)}
.page h2{font-size:20px;margin:24px 0 10px;color:var(--green-dark)}
.page h3{font-size:17px;margin:18px 0 8px}
.page p{margin-bottom:10px}
.page ul,.page ol{margin:0 0 12px 22px}
.page li{margin-bottom:6px}
.page table{border-collapse:collapse;width:100%;margin:12px 0;font-size:14px}
.page th,.page td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.page th{background:var(--green-light)}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:8px}
.lede{color:var(--muted);font-size:15px;margin-bottom:16px}

.post-list{list-style:none;margin-top:16px}
.post-list li{border:1px solid var(--line);border-radius:10px;margin-bottom:12px}
.post-list a{display:block;padding:14px 16px}
.post-list a:hover{background:var(--green-light);text-decoration:none}
.post-list h3{font-size:17px;color:var(--green-dark)}
.post-list p{font-size:14px;color:var(--muted);margin-top:4px}

.site-footer{background:#F5F7F5;border-top:1px solid var(--line);padding:24px 0;text-align:center;font-size:13px;color:var(--muted)}