body{margin:0;background:#f5f7fb;color:#1e293b;font-family:Arial,sans-serif}a{text-decoration:none;color:#2563eb}.container{width:92%;max-width:1280px;margin:auto}.topbar{background:#071b36;color:#fff;padding:10px 0;font-size:14px}.site-header{background:#fff;box-shadow:0 2px 12px rgb(0 0 0 / .05);position:sticky;top:0;z-index:999}.header-inner{display:flex;justify-content:space-between;align-items:center;padding:20px 0}.logo{font-size:32px;font-weight:700;color:#071b36}.main-nav ul{list-style:none;display:flex;gap:24px;margin:0;padding:0}.main-nav a{color:#071b36;font-weight:600}.hero{margin:35px 0;background:linear-gradient(135deg,#071b36,#2563eb);border-radius:24px;color:#fff;padding:70px 60px;display:grid;grid-template-columns:1.2fr 1fr;gap:30px;align-items:center}.hero h1{font-size:56px;line-height:1.2}.hero p{line-height:1.8;font-size:18px}.hero-btn{display:inline-block;margin-top:20px;background:#fff;color:#071b36;padding:14px 26px;border-radius:12px;font-weight:700}.layout{display:grid;grid-template-columns:2.2fr 1fr;gap:30px}.section-title{margin:40px 0 20px;font-size:32px}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.category-card,.post-card,.sidebar-widget{background:#fff;border-radius:18px;box-shadow:0 5px 18px rgb(0 0 0 / .06)}.category-card{padding:28px;text-align:center}.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.post-card img{width:100%;height:220px;object-fit:cover;border-radius:18px 18px 0 0}.post-content{padding:22px}.sidebar-widget{padding:24px;margin-bottom:22px}.sidebar-widget input{width:100%;padding:14px;border-radius:10px;border:1px solid #ddd}.footer{margin-top:60px;background:#071b36;color:#fff;padding:60px 0}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}@media(max-width:900px){.hero{grid-template-columns:1fr;padding:40px 30px}.hero h1{font-size:38px}.layout{grid-template-columns:1fr}.category-grid,.post-grid,.footer-grid{grid-template-columns:1fr}.main-nav ul{flex-wrap:wrap}}