:root{--shell-bg:#f8fafc;--shell-surface:#fff;--shell-border:#e2e8f0;--shell-text:#0f172a;--shell-muted:#475569;--shell-primary:#2563eb;--shell-primary-dark:#1d4ed8;--shell-footer:#0f172a;--shell-footer-text:#94a3b8;--shell-footer-heading:#fff;}
body{margin:0;background:var(--shell-bg);color:var(--shell-text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;}
.shell-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--shell-border);}
.shell-header-inner{max-width:1120px;margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.shell-brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--shell-text);}
.shell-brand-mark{width:32px;height:32px;border-radius:10px;color:#fff;background:#2563eb;display:flex;align-items:center;justify-content:center;}
.shell-brand-mark svg{width:16px;height:16px;}
.shell-brand-label{font-weight:800;font-size:20px;letter-spacing:-.02em;}
.shell-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end;}
.shell-nav-link,.shell-nav-cta{display:inline-flex;align-items:center;text-decoration:none;border-radius:10px;font-size:14px;font-weight:600;transition:all .15s ease;}
.shell-nav-link{padding:10px 14px;color:var(--shell-muted);}
.shell-nav-link:hover,.shell-nav-link.is-active{color:var(--shell-text);background:#eef2ff;}
.shell-nav-cta{padding:10px 16px;background:var(--shell-primary);color:#fff;}
.shell-nav-cta:hover{background:var(--shell-primary-dark);}
.shell-footer{margin-top:64px;background:var(--shell-footer);color:var(--shell-footer-text);}
.shell-footer-main{max-width:1120px;margin:0 auto;padding:48px 24px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;}
.shell-footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.shell-footer-brand .shell-brand-mark{width:34px;height:34px;}
.shell-footer-brand-name{font-weight:800;font-size:22px;color:var(--shell-footer-heading);}
.shell-footer-copy{font-size:15px;line-height:1.7;max-width:520px;}
.shell-footer-title{margin:0 0 16px 0;font-size:16px;font-weight:700;color:var(--shell-footer-heading);}
.shell-footer-links{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.shell-footer-links a{color:var(--shell-footer-text);text-decoration:none;font-size:14px;}
.shell-footer-links a:hover{color:var(--shell-footer-heading);}
.shell-footer-bottom{border-top:1px solid rgba(148,163,184,.16);}
.shell-footer-bottom-inner{max-width:1120px;margin:0 auto;padding:24px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:14px;}
.shell-footer-bottom a{color:#60a5fa;text-decoration:none;}
.shell-footer-bottom a:hover{color:#93c5fd;}
@media(max-width:900px){.shell-header-inner{height:auto;padding-top:14px;padding-bottom:14px;align-items:flex-start;flex-direction:column;}.shell-nav{width:100%;justify-content:flex-start;}.shell-footer-main{grid-template-columns:1fr;}.shell-footer-bottom-inner{flex-direction:column;align-items:flex-start;}}
:root{--c-bg:#fff;--c-fg:#111;--c-muted:#666;--c-border:#e6e6e6;--c-card-bg:#fafafa;--c-accent:#2563eb;--c-code-bg:#0b1020;--c-code-fg:#e8e8e8;}
*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--c-fg);background:var(--c-bg);line-height:1.7;}
a{color:var(--c-accent);text-decoration:none;}a:hover{text-decoration:underline;}
.blog-index{max-width:900px;margin:0 auto;padding:32px 24px;}
.blog-index h1{font-size:28px;margin-bottom:8px;}
.blog-index .subtitle{color:var(--c-muted);margin-bottom:32px;}
.locale-switcher{margin:0 0 20px 0;}
.locale-switcher-link{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border:1px solid var(--c-border);border-radius:999px;background:#f8fafc;color:var(--c-fg);font-size:14px;font-weight:600;}
.locale-switcher-link:hover{background:#eef2ff;color:var(--c-accent);text-decoration:none;}
.article-card{border:1px solid var(--c-border);border-radius:12px;padding:20px 24px;margin-bottom:16px;transition:box-shadow .15s;}
.article-card:hover{box-shadow:0 2px 8px rgba(0,0,0,.08);}
.article-card h2{font-size:20px;margin-bottom:4px;}
.article-card h2 a{color:var(--c-fg);}
.article-card .meta{font-size:13px;color:var(--c-muted);margin-bottom:8px;}
.article-card .desc{font-size:15px;color:#444;}
.tag{display:inline-block;background:#eef2ff;color:var(--c-accent);font-size:12px;padding:2px 8px;border-radius:6px;margin-right:4px;}
.coming-soon{opacity:.6;}
.coming-soon .badge{background:#fef3c7;color:#92400e;font-size:12px;padding:2px 8px;border-radius:6px;margin-left:8px;}
.article-layout{display:grid;grid-template-columns:1fr 260px;gap:32px;max-width:1060px;margin:0 auto;padding:32px 24px;}
.article-content{max-width:720px;}
.article-content h1{font-size:28px;margin-bottom:4px;}
.article-content .article-meta{font-size:14px;color:var(--c-muted);margin-bottom:24px;}
.article-content h2{font-size:22px;margin-top:32px;margin-bottom:12px;}
.article-content h3{font-size:18px;margin-top:24px;margin-bottom:8px;}
.article-content p{margin-bottom:16px;}
.article-content ul,.article-content ol{margin:0 0 16px 24px;}
.article-content li{margin-bottom:4px;}
.article-content pre{background:var(--c-code-bg);color:var(--c-code-fg);padding:16px;border-radius:10px;overflow:auto;margin-bottom:16px;}
.article-content code{background:#f2f2f2;padding:1px 4px;border-radius:4px;font-size:14px;}
.article-content pre code{background:none;padding:0;}
.article-content hr{border:none;border-top:1px solid var(--c-border);margin:24px 0;}
.article-content blockquote{border-left:3px solid var(--c-border);padding-left:16px;color:var(--c-muted);margin-bottom:16px;}
.blog-table{width:100%;border-collapse:collapse;margin-bottom:16px;font-size:15px;}
.blog-table th,.blog-table td{border:1px solid var(--c-border);padding:8px 12px;text-align:left;}
.blog-table th{background:var(--c-card-bg);font-weight:600;}
.blog-table tr:nth-child(even){background:#f9fafb;}
.sidebar{font-size:14px;}
.sidebar h3{font-size:16px;margin-bottom:12px;}
.sidebar ul{list-style:none;}
.sidebar li{margin-bottom:8px;}
.sidebar a{color:var(--c-fg);}
.sidebar a:hover{color:var(--c-accent);}
@media(max-width:768px){.article-layout{grid-template-columns:1fr;}.sidebar{border-top:1px solid var(--c-border);padding-top:24px;}}