:root{--bg:#f7fbff;--card:#fff;--accent:#146eb4;--muted:#555}
*{box-sizing:border-box}
body{font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;margin:0;background:var(--bg);color:#111;line-height:1.7}
.container{max-width:960px;margin:28px auto;padding:20px}
.header{background:var(--card);padding:20px;border-radius:12px;box-shadow:0 8px 30px rgba(18,38,63,0.06)}
.site-title{font-size:24px;color:var(--accent);margin:0}
.nav{margin-top:10px}
.nav a{margin-right:12px;color:var(--accent);text-decoration:none;font-weight:600}
.card{background:var(--card);padding:18px;border-radius:10px;margin-top:18px;box-shadow:0 8px 30px rgba(18,38,63,0.04)}
.footer{margin-top:26px;text-align:center;color:var(--muted);font-size:14px;padding:18px}
.article h1{margin-top:0}
.ad-slot{background:#f1f5f9;border:2px dashed #cbd5e1;padding:12px;text-align:center;color:#334155;border-radius:8px;margin:18px 0}
.contact-form input, .contact-form textarea{width:100%;padding:10px;margin:8px 0;border:1px solid #e2e8f0;border-radius:6px}
.button{display:inline-block;padding:10px 14px;background:var(--accent);color:#fff;border-radius:8px;text-decoration:none}
.small{font-size:13px;color:var(--muted)}