:root{--primary:#0ea5e9;--muted:#64748b}
.container{max-width:1040px;margin:0 auto;padding:20px}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{font-weight:800;text-decoration:none}
.brand-logo{height:36px}
.prose{line-height:1.7;font-size:17px}
.prose h1{font-size:36px;line-height:1.1;margin:10px 0 8px}
.prose h2{font-size:24px;margin:18px 0 8px}
.prose p{margin:10px 0}
.prose a{color:var(--primary)}
.btn{display:inline-block;padding:8px 12px;border:1px solid #e5e7eb;border-radius:10px;text-decoration:none}
.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.badge{display:inline-block;padding:4px 8px;border-radius:20px;background:#eff6ff;color:#1d4ed8;font-size:12px}
.card{border:1px solid #e5e7eb;border-radius:12px;padding:16px;background:#fff}
.site-header{border-bottom:1px solid #e5e7eb;margin-bottom:16px}
.site-footer{border-top:1px solid #e5e7eb;margin-top:24px;padding-top:12px;color:var(--muted)}