:root{--fg:#1a1a1a;--bg:#fff;--muted:#666;--brand:#0d6efd;--card:#f6f6f6}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto;color:var(--fg);background:var(--bg)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1100px;margin:auto;padding:0 1rem}
.skip{position:absolute;left:-9999px;top:auto}
.site-header{position:sticky;top:0;background:rgba(255,255,255,.97);backdrop-filter:saturate(180%) blur(6px);border-bottom:1px solid #eee;z-index:10}
.logo{font-weight:700;padding:.9rem 0;display:inline-block}
.menu{display:flex;gap:1rem;list-style:none;margin:0;padding:0}
.menu a{display:block;padding:1rem .4rem;text-decoration:none;color:inherit}
.menu-btn{display:none}
.hero{display:grid;grid-template-columns:2fr 1fr;gap:1rem;padding:1rem 0}
.hero .hero-main{position:relative}
.tag{display:inline-block;background:var(--brand);color:#fff;padding:.2rem .5rem;border-radius:.3rem;font-size:.8rem}
.hero .excerpt{color:var(--muted)}
.hero-side{display:grid;gap:.6rem}
.card{background:var(--card);padding:.8rem;border-radius:.6rem;text-decoration:none;color:inherit}
.section{padding:1rem 0}
.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.newsletter{background:#eef4ff;padding:2rem 0;margin:2rem 0}
.newsletter form{display:flex;gap:.6rem;flex-wrap:wrap}
.newsletter input{padding:.6rem;border:1px solid #ccc;border-radius:.4rem;min-width:260px}
.newsletter button{padding:.6rem 1rem;border:none;border-radius:.4rem;background:var(--brand);color:#fff}
.privacy{font-size:.85rem;color:var(--muted)}
.article{display:grid;grid-template-columns:3fr 1fr;gap:2rem;padding:1rem 0}
.meta{color:var(--muted);font-size:.9rem}
.author-box{display:flex;gap:.8rem;align-items:center}
.sidebar .list{list-style:none;padding:0}
.sidebar .list li{margin:.4rem 0}
.site-footer{border-top:1px solid #eee;padding:1rem 0;margin-top:2rem}
.contact-form{display:grid;gap:.8rem;max-width:520px}
.contact-form input,.contact-form textarea{width:100%;padding:.6rem;border:1px solid #ccc;border-radius:.4rem}
.contact-form button{padding:.6rem 1rem;border:none;border-radius:.4rem;background:var(--brand);color:#fff}
@media (max-width:900px){.hero{grid-template-columns:1fr}.article{grid-template-columns:1fr}.menu{display:none}.menu-btn{display:inline-block}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}