*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f6f7f9;color:#18202a;line-height:1.7}
a{color:inherit}
.site-header{background:#fff;border-bottom:1px solid #e7e9ed}
.header-inner{max-width:1100px;margin:auto;padding:22px 20px;display:flex;align-items:center;justify-content:space-between}
.logo{font-size:24px;font-weight:800;text-decoration:none}
.nav a{text-decoration:none;margin-left:22px;font-size:14px}
.hero{background:#111827;color:#fff}
.hero-inner{max-width:1100px;margin:auto;padding:64px 20px}
.hero h1{font-size:42px;margin:0 0 12px}
.hero p{max-width:650px;color:#d6dae1;margin:0}
.container{max-width:1100px;margin:42px auto;padding:0 20px}
.section-title{font-size:25px;margin-bottom:22px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:24px;box-shadow:0 3px 12px rgba(0,0,0,.04)}
.tag{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#667085}
.card h2{font-size:21px;line-height:1.35;margin:10px 0}
.card p{color:#667085;font-size:15px}
.read{display:inline-block;margin-top:8px;font-weight:700;text-decoration:none}
.article{max-width:820px;margin:48px auto;padding:0 20px}
.article .tag{margin-bottom:10px}
.article h1{font-size:42px;line-height:1.2;margin:0 0 14px}
.meta{color:#667085;font-size:14px;margin-bottom:32px}
.article h2{font-size:28px;margin-top:38px}
.article p{font-size:17px}
.back{display:inline-block;margin-bottom:28px;text-decoration:none;font-weight:700}
.site-footer{margin-top:70px;background:#111827;color:#cbd0d8;text-align:center;padding:28px 20px;font-size:13px}
@media(max-width:800px){.grid{grid-template-columns:1fr}.hero h1,.article h1{font-size:32px}.nav{display:none}}