:root{--b1:#4f46e5;--b2:#2563eb;--b3:#06b6d4}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;color:#111827;background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.container{max-width:768px;margin:0 auto;padding:0 24px}
.grad{background-image:linear-gradient(to right,#4f46e5,#2563eb,#06b6d4);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
header.site{border-bottom:1px solid #e5e7eb;background:rgba(255,255,255,.55);backdrop-filter:blur(8px);position:sticky;top:0;z-index:40}
header.site .inner{max-width:1152px;margin:0 auto;padding:18px 24px;display:flex;align-items:center;justify-content:space-between}
header.site .logo{font-size:1.5rem;font-weight:600;letter-spacing:-.02em}
header.site nav{display:flex;align-items:center}
header.site nav a{margin-left:26px;font-size:.9rem;font-weight:500;color:#374151}
header.site nav a:hover{color:#111827}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 22px;border-radius:8px;font-size:.875rem;font-weight:600;color:#fff;background-image:linear-gradient(to right,#4f46e5,#2563eb,#06b6d4);box-shadow:0 1px 2px rgba(0,0,0,.08)}
main.blog{padding:48px 0 80px}
.breadcrumb{font-size:.875rem;font-weight:500;color:#2563eb;display:inline-block;margin-bottom:20px}
h1.page-title{font-size:2rem;font-weight:700;letter-spacing:-.02em;line-height:1.2;margin-bottom:8px}
.page-sub{color:#6b7280;margin-bottom:40px;max-width:620px}
.post-card{display:block;padding:30px 0;border-bottom:1px solid #f3f4f6}
.post-card:last-child{border-bottom:none}
.post-card .date{font-size:.75rem;color:#6b7280;text-transform:uppercase;letter-spacing:.05em;font-weight:600}
.post-card h2{font-size:1.4rem;font-weight:600;margin:8px 0 6px;line-height:1.3;letter-spacing:-.01em}
.post-card h2:hover{color:#2563eb}
.post-card p{color:#4b5563;font-size:.95rem}
article.post h1{font-size:2.15rem;font-weight:700;line-height:1.18;letter-spacing:-.02em;margin:4px 0 14px}
article.post .meta{font-size:.85rem;color:#6b7280;margin-bottom:34px}
article.post h2{font-size:1.35rem;font-weight:600;margin:34px 0 12px;letter-spacing:-.01em}
article.post p{margin:14px 0;color:#374151}
article.post ul,article.post ol{margin:14px 0 14px 24px;color:#374151}
article.post li{margin:7px 0}
article.post strong{color:#111827}
article.post .callout{border-left:3px solid #2563eb;background:#eff6ff;padding:16px 20px;border-radius:0 8px 8px 0;margin:24px 0;color:#1e3a8a}
article.post .callout p{margin:0;color:#1e3a8a}
.cta{border:1px solid #e5e7eb;border-radius:12px;padding:28px;margin-top:40px;text-align:center;background:#fafafa}
.cta h3{font-size:1.15rem;font-weight:600;margin-bottom:8px}
.cta p{color:#6b7280;font-size:.92rem;margin-bottom:18px}
footer.site{border-top:1px solid #e5e7eb;padding:34px 0;color:#6b7280;font-size:.85rem}
footer.site .inner{max-width:1152px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.post-list{display:block}
.pagination{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:40px}
.pg-btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:8px;border:1px solid #e5e7eb;background:#fff;color:#2563eb;font-size:.875rem;font-weight:600;cursor:pointer;transition:all .15s}
.pg-btn:hover:not(:disabled){background:#eff6ff;border-color:#2563eb}
.pg-btn:disabled{opacity:.4;cursor:default}
.pg-info{font-size:.875rem;color:#6b7280;font-weight:500}