:root{
  --mk-primary:#42a5f5; --mk-primary-d:#1e88e5; --mk-green:#66bb6a; --mk-green-d:#43a047;
  --mk-text:#1f2937; --mk-text-2:#4b5563; --mk-text-3:#6b7280; --mk-line:#e5e7eb; --mk-bg:#f7fafc;
  --mk-card:#ffffff; --mk-radius:16px; --mk-shadow:0 10px 30px rgba(17,24,39,.08);
  --mk-shadow-h:0 16px 40px rgba(17,24,39,.14);
}
*{box-sizing:border-box}
body{margin:0;background:var(--mk-bg);color:var(--mk-text);font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.7}
a{color:var(--mk-primary-d);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.35;margin:0 0 10px}
p{margin:0 0 12px}
code{background:#eef2f7;border-radius:6px;padding:1px 6px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.92em}
pre{background:#0f172a;color:#e2e8f0;border-radius:12px;padding:14px 16px;overflow:auto}
pre code{background:none;color:inherit;padding:0}
.mk-wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.mk-muted{color:var(--mk-text-3);font-size:13px}
/* 导航 */
.mk-nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--mk-line)}
.mk-nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.mk-brand{display:flex;align-items:center;gap:10px;color:var(--mk-text);font-weight:700}
.mk-brand:hover{text-decoration:none}
.mk-brand-mark{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--mk-green),var(--mk-primary));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.mk-brand-text em{font-style:normal;color:var(--mk-text-3);font-weight:500;font-size:13px;margin-left:6px}
.mk-nav-links{display:flex;align-items:center;gap:20px;font-size:14px}
.mk-nav-links a{color:var(--mk-text-2)}
.mk-nav-links a.on{color:var(--mk-primary-d);font-weight:600}
.mk-nav-cta{background:linear-gradient(135deg,var(--mk-green),var(--mk-primary));color:#fff!important;padding:7px 14px;border-radius:999px;font-weight:600}
.mk-nav-cta:hover{text-decoration:none;box-shadow:var(--mk-shadow)}
/* 通用 */
.mk-hero{padding:64px 0 40px;background:
  radial-gradient(1000px 400px at 10% -10%,rgba(102,187,106,.18),transparent),
  radial-gradient(900px 400px at 90% 0%,rgba(66,165,245,.18),transparent)}
.mk-hero h1{font-size:40px;letter-spacing:-.5px}
.mk-hero .sub{font-size:17px;color:var(--mk-text-2);max-width:680px}
.mk-btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.mk-btn{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:12px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer}
.mk-btn:hover{text-decoration:none}
.mk-btn-primary{background:linear-gradient(135deg,var(--mk-green),var(--mk-primary));color:#fff}
.mk-btn-ghost{background:#fff;border-color:var(--mk-line);color:var(--mk-text-2)}
.mk-btn-sm{padding:7px 14px;font-size:13px;border-radius:10px}
.mk-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin:34px 0}
.mk-stat{background:var(--mk-card);border:1px solid var(--mk-line);border-radius:var(--mk-radius);padding:16px 18px}
.mk-stat b{display:block;font-size:24px;color:var(--mk-primary-d)}
.mk-stat span{font-size:12px;color:var(--mk-text-3)}
.mk-section{padding:34px 0}
.mk-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:18px}
.mk-section-head h2{font-size:22px}
.mk-grid{display:grid;gap:16px}
.mk-grid-3{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.mk-grid-4{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.mk-card{background:var(--mk-card);border:1px solid var(--mk-line);border-radius:var(--mk-radius);padding:18px;box-shadow:var(--mk-shadow);transition:transform .16s ease,box-shadow .16s ease}
.mk-card:hover{transform:translateY(-2px);box-shadow:var(--mk-shadow-h)}
.mk-plugin{display:flex;flex-direction:column;gap:10px;height:100%}
.mk-plugin-top{display:flex;gap:12px;align-items:flex-start}
.mk-icon{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,rgba(102,187,106,.16),rgba(66,165,245,.16));display:flex;align-items:center;justify-content:center;font-size:22px;flex:0 0 auto}
.mk-plugin h3{font-size:16px;margin:0}
.mk-plugin .sum{font-size:13px;color:var(--mk-text-3);flex:1}
.mk-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--mk-text-3);align-items:center}
.mk-chip{display:inline-block;background:#eef2f7;color:var(--mk-text-2);border-radius:999px;padding:2px 10px;font-size:12px}
.mk-chip-on{background:#e8f5e9;color:#2e7d32}
.mk-chip-blue{background:#e3f2fd;color:#1565c0}
.mk-tag{display:inline-block;background:#f1f5f9;color:#475569;border-radius:8px;padding:1px 8px;font-size:12px;margin-right:6px}
.mk-toolbar{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:12px 0 20px}
.mk-input,.mk-select{background:#fff;border:1px solid var(--mk-line);border-radius:10px;padding:9px 12px;font-size:14px;color:var(--mk-text);min-width:200px}
.mk-table{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border-radius:12px;overflow:hidden}
.mk-table th,.mk-table td{padding:11px 12px;border-bottom:1px solid var(--mk-line);text-align:left;vertical-align:top}
.mk-table th{background:#f8fafc;font-size:13px;color:var(--mk-text-2)}
.mk-side{display:grid;grid-template-columns:1fr 320px;gap:22px;align-items:start}
@media(max-width:900px){.mk-side{grid-template-columns:1fr}.mk-hero h1{font-size:30px}}
.mk-panel{background:#fff;border:1px solid var(--mk-line);border-radius:var(--mk-radius);padding:20px;box-shadow:var(--mk-shadow)}
.mk-panel h2{font-size:18px}
.mk-doc h2{font-size:19px;margin-top:26px}
.mk-doc h3{font-size:16px;margin-top:20px}
.mk-doc ul{padding-left:22px}
.mk-note{border-left:4px solid var(--mk-primary);background:#f0f7ff;border-radius:10px;padding:12px 16px;font-size:14px;color:#1e3a5f}
.mk-flash{border-radius:12px;padding:12px 16px;margin:14px 0;font-size:14px}
.mk-flash-ok{background:#f0fff4;border:1px solid #c6f6d5;color:#276749}
.mk-flash-err{background:#fff5f5;border:1px solid #fed7d7;color:#c53030}
.mk-flash-info{background:#ebf8ff;border:1px solid #bee3f8;color:#2b6cb0}
.mk-footer{margin-top:60px;background:#0f172a;color:#cbd5e1;padding:34px 0 18px}
.mk-footer a{color:#cbd5e1;display:block;font-size:13px;margin-bottom:6px}
.mk-footer-brand{font-weight:700;color:#fff;margin-bottom:6px}
.mk-footer-inner{display:grid;grid-template-columns:1.2fr 2fr;gap:24px}
.mk-footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.mk-footer h4{font-size:13px;color:#94a3b8;margin-bottom:8px}
.mk-copy{border-top:1px solid #1e293b;margin-top:22px;padding-top:14px;font-size:12px;color:#94a3b8}
@media(max-width:760px){.mk-footer-inner{grid-template-columns:1fr}.mk-footer-cols{grid-template-columns:1fr 1fr}}
.mk-empty{text-align:center;color:var(--mk-text-3);padding:50px 0}
.mk-hex{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;word-break:break-all;color:var(--mk-text-2)}