body {
    font-family: Georgia, serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
    min-height: 100vh;
    line-height: 1.7;
    color: #333;
}
nav {
    background: rgba(15, 52, 96, 0.98);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 0 20px;
}
.nav-brand {
    color: #ffc107;
    font-weight: bold;
    font-size: 1.2em;
    margin-right: auto;
    padding: 15px 0;
}
nav a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    padding: 15px 18px;
    display: inline-block;
    transition: background 0.3s, color 0.3s;
    font-size: 0.95em;
}
nav a:hover { background: rgba(255,255,255,0.1); color: white; }
nav a.active { background: rgba(255,255,255,0.15); color: #ffc107; border-bottom: 3px solid #ffc107; }

.container {
    max-width: 1100px;
    margin: 30px auto;
    padding: 0 20px;
}
header {
    background: rgba(255,255,255,0.95);
    padding: 35px 40px;
    border-radius: 10px;
    margin-bottom: 25px;
    text-align: center;
    box-shadow: 0 3px 15px rgba(0,0,0,0.15);
}
header h1 { color: #0f3460; margin: 0; font-size: 2.2em; font-weight: normal; }
header .subtitle { color: #666; font-style: italic; margin-top: 8px; font-size: 1.1em; }

section {
    background: rgba(255,255,255,0.95);
    padding: 25px 35px;
    border-radius: 10px;
    margin-bottom: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
section h2 { color: #0f3460; margin-top: 0; border-bottom: 2px solid #0f3460; padding-bottom: 8px; }
section p { margin: 12px 0; }

.card-row { display: flex; gap: 20px; margin-top: 15px; flex-wrap: wrap; }
.card {
    flex: 1;
    min-width: 200px;
    background: #0f3460;
    color: white;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}
.card h3 { font-size: 2.2em; margin: 0 0 8px; color: #ffc107; }
.card p { margin: 0; font-size: 0.95em; opacity: 0.9; }

a { color: #0f3460; }

table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
}
th {
    background: #0f3460;
    color: white;
    padding: 10px 8px;
    font-size: 0.9em;
    text-align: center;
}
td {
    padding: 9px 8px;
    border-bottom: 1px solid #ddd;
    text-align: center;
    font-size: 0.95em;
}
td:first-child { text-align: left; font-weight: bold; }
tr:nth-child(even) { background: #f8f9fa; }
tr:hover td { background: #e8f0fe; }
td.core { background: #f0f7ff; font-weight: bold; }
tr:hover td.core { background: #c5d9f5; }

dl { margin: 10px 0; }
dt { font-weight: bold; color: #0f3460; padding: 10px 0 4px; border-bottom: 1px dashed #ccc; }
dd { padding: 6px 0 10px 20px; margin: 0; color: #555; }

footer {
    background: rgba(15,52,96,0.95);
    color: rgba(255,255,255,0.7);
    text-align: center;
    padding: 18px;
    margin-top: 30px;
}
footer p { margin: 0; }