:root{
  --navy:#0b2340;
  --blue:#2d6fb7;
  --blue-dark:#1f5f9f;
  --yellow:#f4d447;
  --bg:#f4f7fa;
  --white:#fff;
  --text:#16304f;
  --muted:#61758d;
  --border:#e5ebf1;
  --shadow:0 10px 30px rgba(17,45,75,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;line-height:1.75}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,92%);margin:auto}
.site-header{background:#fff;border-bottom:1px solid #eef2f6;position:sticky;top:0;z-index:20}
.navbar{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.brand{display:flex;align-items:center;gap:12px;font-size:25px;font-weight:800;color:var(--navy)}
.logo{width:34px;height:34px;background:var(--navy);border-radius:2px;display:grid;place-items:center;position:relative}
.logo:after{content:"";width:25px;height:17px;background:var(--yellow);border-radius:50%}
.nav{display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.nav a{font-size:16px;color:#40536a}
.nav a:hover,.nav a.active{color:var(--blue)}
.mobile-toggle{display:none;border:0;background:transparent;font-size:26px}
.hero{padding:55px 0 30px}
.hero h1{font-size:42px;line-height:1.2;margin:0 0 14px;color:var(--navy)}
.hero p{max-width:800px;color:var(--muted);font-size:18px}
.ad{background:#fff;border:1px dashed #c9d3de;min-height:115px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#8a99aa;font-size:14px;letter-spacing:.2px;margin:28px 0}
.ad.tall{min-height:180px}
.ad-label{display:block;text-align:center}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:30px;align-items:start}
.card{background:#fff;border-radius:14px;box-shadow:var(--shadow);overflow:hidden}
.post{padding:34px}
.post h2{font-size:28px;line-height:1.3;color:var(--navy);margin-top:0}
.post h3{font-size:22px;color:var(--navy);margin-top:34px}
.post p{margin:0 0 18px}
.post ul{padding-left:22px}
.post li{margin:8px 0}
.feature-image{width:100%;height:360px;object-fit:cover}
.meta{color:#73869b;font-size:14px;margin-bottom:16px}
.tag{display:inline-block;background:var(--blue);color:#fff;border-radius:3px;padding:4px 9px;font-size:12px;font-weight:700;text-transform:uppercase;margin-bottom:13px}
.sidebar .widget{background:#fff;border-radius:14px;padding:24px;box-shadow:var(--shadow);margin-bottom:22px}
.sidebar h3{margin-top:0;color:var(--navy)}
.side-link{display:block;padding:10px 0;border-bottom:1px solid var(--border);color:#486079}
.side-link:last-child{border-bottom:0}
.post-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.post-card{background:#fff;border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.post-card img{height:210px;width:100%;object-fit:cover}
.post-card .inside{padding:22px}
.post-card h3{margin:5px 0 10px;font-size:21px;line-height:1.35;color:var(--navy)}
.read{font-weight:700;color:var(--blue);font-size:14px}
.notice{border-left:4px solid var(--yellow);background:#fffbea;padding:18px 20px;margin:25px 0}
.cta{background:var(--navy);color:#fff;border-radius:14px;padding:35px;margin:30px 0}
.cta h2{margin-top:0;color:#fff}
.button{display:inline-block;background:var(--blue);color:#fff;padding:11px 19px;border-radius:6px;font-weight:700}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
input,textarea,select{width:100%;border:1px solid #ccd7e2;border-radius:6px;padding:13px;font:inherit}
textarea{min-height:170px}
label{font-weight:700;font-size:14px}
.full{grid-column:1/-1}
footer{margin-top:60px;background:var(--navy);color:#dbe6f2;padding:50px 0 25px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}
footer h3{color:#fff;margin-top:0}
footer a{color:#dbe6f2;display:block;margin:7px 0}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:18px;font-size:13px;color:#aebfd0}
.article-list{display:grid;gap:20px}
.article-row{background:#fff;border-radius:14px;padding:18px;display:grid;grid-template-columns:230px 1fr;gap:22px;box-shadow:var(--shadow)}
.article-row img{height:165px;width:100%;object-fit:cover;border-radius:10px}
.article-row h2{margin:0 0 8px;color:var(--navy);font-size:24px;line-height:1.3}
.searchbox{display:flex;gap:8px}
.searchbox input{flex:1}
@media(max-width:900px){
  .nav{display:none}.mobile-toggle{display:block}.layout{grid-template-columns:1fr}
  .sidebar{order:2}.hero h1{font-size:34px}.post-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}.article-row{grid-template-columns:1fr}
}
@media(max-width:600px){
  .navbar{min-height:68px}.brand{font-size:21px}.hero{padding-top:35px}
  .hero h1{font-size:29px}.post{padding:22px}.feature-image{height:230px}
  .form-grid,.footer-grid{grid-template-columns:1fr}.nav.open{display:flex;position:absolute;top:68px;left:0;right:0;background:#fff;padding:18px;box-shadow:0 10px 25px rgba(0,0,0,.08);flex-direction:column;align-items:flex-start}
}