:root {
    --primary: #0056b3;
    --secondary: #004494;
    --accent: #FBBF24;
    --text-dark: #1e293b;
    --text-light: #475569;
    --bg-light: #f1f5f9;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.7;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 40px auto;
    background: #ffffff;
    padding: 50px 70px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

header {
    text-align: center;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 30px;
    margin-bottom: 30px;
}

.logo {
    max-width: 220px;
    margin-bottom: 15px;
}

h1 { font-size: 2.2rem; margin-bottom: 10px; color: var(--primary); }
.subtitle { font-weight: 500; color: var(--text-light); }
.meta-info { font-size: 0.8rem; color: #94a3b8; margin-top: 10px; }

.table-of-contents {
    background: #f8fafc;
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 40px;
}

.table-of-contents h3 { font-size: 1rem; margin-bottom: 10px; }
.table-of-contents ul { list-style: none; padding: 0; }
.table-of-contents a { text-decoration: none; color: var(--primary); font-size: 0.95rem; }
.table-of-contents a:hover { text-decoration: underline; }

h2 {
    font-size: 1.5rem;
    color: var(--secondary);
    margin: 40px 0 20px 0;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 10px;
}

.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.data-item {
    background: #f8fafc;
    padding: 20px;
    border-radius: 8px;
    border-top: 3px solid var(--accent);
}

.data-item h4 { margin-bottom: 10px; color: var(--primary); }

.highlight-box {
    background: #eef2ff;
    border-left: 5px solid var(--primary);
    padding: 20px;
    margin: 20px 0;
}

footer {
    margin-top: 60px;
    padding-top: 30px;
    border-top: 2px solid #e2e8f0;
    text-align: center;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .container { padding: 30px 20px; }
    h1 { font-size: 1.6rem; }
}