:root{--bg:#ffffff;--text:#111827;--muted:#6b7280;--border:#e5e7eb;--link:#1f2937;--accent:#2563eb;--accent-hover:#1d4ed8;--bg-soft:#f8fafc}html[data-theme=dark]{--bg:#0b1220;--text:#e5e7eb;--muted:#a1a1aa;--border:#2b2f3a;--link:#e5e7eb;--accent:#60a5fa;--accent-hover:#93c5fd;--bg-soft:#111827}body{font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,segoe ui,pingfang sc,hiragino sans gb,microsoft yahei,noto sans sc,wenquanyi micro hei,sans-serif;color:var(--text);background:var(--bg)}.container{max-width:940px;margin:0 auto;padding:0 16px}.site-header{position:sticky;top:0;z-index:10;background:var(--bg);border-bottom:1px solid var(--border)}.site-header .container{display:flex;align-items:center;gap:16px;min-height:60px}.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-weight:700}.brand-logo{border-radius:6px}.primary-nav .nav-list{display:flex;gap:14px;list-style:none;margin:0;padding:0}.nav-link{color:var(--link);text-decoration:none}.nav-link .active{text-decoration:underline}.header-actions{margin-left:auto}.theme-toggle{width:34px;height:34px;border-radius:8px;border:1px solid var(--border);background:0 0;color:var(--muted)}.page-hero{padding:28px 0 14px;border-bottom:1px solid var(--border)}.page-hero h1{font-size:28px;margin:0 0 8px}.page-hero .desc{color:var(--muted)}.blog-list{display:grid;gap:18px;padding:22px 0 10px}.blog-item{border-bottom:1px solid var(--border);padding-bottom:16px}.blog-title{margin:0;font-size:20px}.blog-title a{color:var(--link);text-decoration:none}.blog-title a:hover{text-decoration:underline}.blog-meta{color:var(--muted);font-size:13px;margin-top:6px}.blog-summary{color:var(--muted);margin:8px 0 0}.page-content{color:var(--text);line-height:1.7}.page-content h2{margin-top:18px;font-size:20px}.page-content ul{padding-left:18px}.page-content li{margin:6px 0;color:var(--text)}.page-content a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}.page-content a:hover{color:var(--accent-hover)}.page-content table{width:100%;border-collapse:collapse;margin:12px 0;font-size:14px}.page-content th,.page-content td{border:1px solid var(--border);padding:8px 10px}.page-content thead th{background:var(--bg-soft);color:var(--text)}.page-content ol.faq{padding-left:22px;margin:12px 0}.page-content ol.faq>li{margin:12px 0 16px}.page-content ol.faq>li>strong{display:inline-block;font-weight:700;color:var(--text);margin-bottom:4px}.update{color:var(--muted);font-size:14px;margin:6px 0 14px}.callout{background:var(--bg-soft);border:1px solid var(--border);border-radius:8px;padding:12px 14px;margin:14px 0}.link-list{list-style:none;padding-left:0;margin:8px 0 0}.link-list li{margin:6px 0}.link-list a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}.link-list a:hover{color:var(--accent-hover)}.site-footer{border-top:1px solid var(--border);margin-top:28px}.site-footer .container{padding:22px 0}.footer-main{text-align:center}.site-footer .brand{font-weight:700;margin-bottom:6px}.site-footer .desc{color:var(--muted);margin-bottom:8px}.footer-nav{display:inline-flex;gap:10px;align-items:center}.footer-nav a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}.footer-nav a:hover{color:var(--accent-hover)}.site-footer .copy{color:var(--muted);margin-top:8px}