:root{--dark:#101827;--accent:#0b73ff;--soft:#f5f8ff;--text:#263238}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);line-height:1.75;background:#fff}
.container{max-width:1080px;margin:auto;padding:22px}
.header{background:linear-gradient(135deg,#101827,#173b7a);color:#fff}
.nav{display:flex;justify-content:space-between;align-items:center;gap:20px}
.logo{font-size:30px;font-weight:800;letter-spacing:.5px;color:#fff;text-decoration:none}
.nav a{color:#fff;text-decoration:none;margin-left:16px}
.hero{padding:50px 0}
.hero h1{font-size:44px;line-height:1.15;margin:0 0 16px}
.hero p{font-size:18px;max-width:760px}
.btn{display:inline-block;background:#fff;color:#123;text-decoration:none;padding:12px 18px;border-radius:10px;font-weight:700}
.section{padding:35px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.card{border:1px solid #e3e7ef;border-radius:14px;padding:20px;background:#fff;box-shadow:0 8px 25px rgba(10,20,40,.06)}
.card a{text-decoration:none;color:var(--dark)}
.badge{display:inline-block;background:var(--soft);color:var(--accent);padding:5px 10px;border-radius:999px;font-size:13px;font-weight:700}
.footer{border-top:1px solid #e3e7ef;margin-top:30px;padding:25px 0;color:#667}
.breadcrumb{font-size:14px;color:#667}
.breadcrumb a{color:#0b73ff;text-decoration:none}
.article h1{font-size:38px;line-height:1.2}
.article img{max-width:100%;border-radius:14px}
@media(max-width:700px){.hero h1{font-size:32px}.nav{display:block}.nav a{display:inline-block;margin:10px 10px 0 0}}