html,body{height:100%}
body{font-family:Arial,sans-serif;margin:0;background:#f4f6f9;color:#333;line-height:1.6;min-height:100vh;display:flex;flex-direction:column}
header{background:#0b3d91;color:#fff;text-align:center;padding:16px 20px}
header img{width:120px;margin-bottom:6px}
.header-top{max-width:1000px;margin:0 auto;display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;flex-direction:column}
.header-title{display:flex;flex-direction:column;align-items:center;text-align:center}
.header-title h1{margin:0;font-size:28px;font-weight:700}
.header-title p{margin:2px 0 0;opacity:.9}
.menu{margin-top:12px;display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.menu a{color:#fff;background:rgba(255,255,255,.12);padding:8px 12px;border-radius:6px;text-decoration:none;font-weight:600}
.menu a:hover{background:rgba(255,255,255,.22)}
.container{max-width:1000px;margin:30px auto;padding:30px;background:#fff;box-shadow:0 0 12px rgba(0,0,0,.08);flex:1 0 auto;width:calc(100% - 60px)}
header{flex:0 0 auto}
h1{margin:0 0 8px;font-size:32px;font-weight:700}
h2{color:#0b3d91;margin-top:32px;margin-bottom:8px;font-size:24px}
h3{margin-top:20px;margin-bottom:6px;font-size:18px;color:#333}
header p{margin:0;opacity:.9}
hr{border:none;border-top:1px solid #e5e7eb;margin:24px 0}
ul{padding-left:20px}
a{color:#0b3d91;font-weight:bold;text-decoration:none}
a:hover{text-decoration:underline}
.box{background:#eef3ff;border-left:5px solid #0b3d91;padding:15px;margin:15px 0}
.alert{background:#fff3cd;border-left:5px solid #ffc107;padding:15px;margin:15px 0}
footer{background:#0b3d91;color:#fff;text-align:center;padding:20px;margin-top:auto;flex:0 0 auto}
.icon{margin-right:8px;color:#0b3d91}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.card{border:1px solid #ddd;border-radius:8px;padding:16px;text-decoration:none;color:inherit;display:block}
.card:hover{border-color:#bbb;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.card h2{font-size:18px;margin:0 0 8px;color:#0b3d91}
.card p{margin:0;color:#555;font-size:14px}