:root{--bg:#f2f4f7;--ink:#22201c;--muted:#6d665c;--acc:#2f5d8a;--card:#ffffff;--line:#d9dee6}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 Georgia,"Times New Roman",serif}
a{color:var(--acc)}header,main,footer{max-width:960px;margin:0 auto;padding:0 20px}
header{display:flex;align-items:center;justify-content:space-between;padding-top:28px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.logo{display:flex;gap:10px;align-items:center;font:600 19px/1 system-ui,sans-serif;text-decoration:none;color:var(--ink)}
.logo b{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--acc);color:#fff;font-size:15px}
nav a{margin-left:18px;font:15px system-ui,sans-serif;text-decoration:none;color:var(--muted)}
h1{font-size:38px;line-height:1.15;margin:46px 0 14px}h2{font-size:24px;margin:40px 0 10px}
.lead{font-size:19px;color:var(--muted);max-width:640px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:28px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px}
.card h3{margin:0 0 6px;font:600 16px system-ui,sans-serif}.card p{margin:0;color:var(--muted);font-size:15px}
.ph{height:120px;border-radius:8px;margin-bottom:12px;background:linear-gradient(135deg,#a9b8c9,#4f6680)}
.ph.b{background:linear-gradient(135deg,#b8b0a3,#6b5f50)}.ph.c{background:linear-gradient(135deg,#9db7ad,#3f6b5d)}
table{width:100%;border-collapse:collapse;font:15px system-ui,sans-serif}td,th{padding:9px 6px;border-bottom:1px solid var(--line);text-align:left}
footer{margin-top:60px;padding-top:18px;padding-bottom:40px;border-top:1px solid var(--line);color:var(--muted);font:14px system-ui,sans-serif}