:root{--bg:#ffffff;--bg2:#f6faf7;--brand:#10b981;--brand-600:#059669;--text:#0f172a;--muted:#64748b;--card:#ffffff;--border:#e2e8f0;--shadow:0 10px 25px rgba(2,6,23,.07)}
*{box-sizing:border-box}html,body{margin:0;padding:0}
body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,'Helvetica Neue',Arial,'Noto Sans',sans-serif;color:var(--text);background:var(--bg)}
a{color:var(--brand);text-decoration:none}a:hover{color:var(--brand-600);text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:24px}
.topbar{background:linear-gradient(180deg,var(--brand) 0%,#12d19d 100%);color:#fff;padding:26px 0 50px 0;box-shadow:var(--shadow)}
.brand{font-weight:800;letter-spacing:.5px;font-size:14px}
.nav{display:flex;gap:18px;align-items:center}.nav a{color:#eafff6;opacity:.95}.nav a:hover{opacity:1}
.header{text-align:center;margin-top:10px}.header h1{margin:6px 0 8px;font-size:28px}.header p{margin:0;color:#eafff6;opacity:.95}
.search-wrap{display:flex;justify-content:center;margin:18px auto 0;max-width:560px}
.search-wrap input{flex:1;padding:12px 14px;border:1px solid #bfead9;border-right:none;border-radius:10px 0 0 10px;outline:none}
.search-wrap button{padding:12px 18px;border:1px solid #bfead9;border-left:none;border-radius:0 10px 10px 0;cursor:pointer;background:#0fb981;color:#fff}
.h2{font-size:22px;font-weight:700;margin:26px 0 10px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px;box-shadow:var(--shadow);transition:transform .08s ease}
.card:hover{transform:translateY(-2px)}
.card .title{font-weight:700}.card .muted{color:var(--muted);font-size:13px}.list{display:flex;flex-direction:column;gap:10px}
.badge{font-size:11px;background:var(--bg2);border:1px solid var(--border);padding:6px 10px;border-radius:999px;color:#065f46}
.footer{margin:40px 0 20px;color:var(--muted);font-size:13px;text-align:center}
.breadcrumbs{font-size:13px;color:var(--muted);margin:6px 0 18px}
.article h1{font-size:28px;margin:0 0 6px}.article .meta{color:var(--muted);font-size:13px;margin-bottom:18px}
.article pre{background:#0b1220;color:#e5e7eb;padding:14px;overflow:auto;border-radius:10px}
.article code{background:#e6fffa;color:#065f46;padding:2px 6px;border-radius:6px}
.table{width:100%;border-collapse:collapse;margin:10px 0 16px}.table th,.table td{border:1px solid var(--border);padding:10px;text-align:left}
.kbcallout{border-left:4px solid var(--brand);background:#ecfdf5;padding:10px 12px;border-radius:8px;margin:12px 0}
.kbsearch-results{margin-top:18px}.kbsearch-results .item{padding:12px 14px;border:1px solid var(--border);border-radius:12px;margin-bottom:10px;background:#fff}
.kbsearch-results .item .t{font-weight:700}.kbsearch-results .item .x{color:var(--muted);font-size:13px}
@media (max-width:900px){.grid{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.grid{grid-template-columns:1fr}.search-wrap{max-width:92%}.header h1{font-size:24px}}