* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background: #f4f6f8;
    color: #1f2933;
}

header {
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
}

header h1 {
    margin: 0;
    font-size: 22px;
    letter-spacing: 1px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 20px;
}

main h2 {
    margin-bottom: 24px;
    font-size: 24px;
}

.card {
    background: #ffffff;
    padding: 24px;
    border-radius: 10px;
    margin-bottom: 16px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
    transition: transform .2s ease, box-shadow .2s ease;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.08);
}

.card a {
    font-size: 18px;
    font-weight: 500;
    color: #111827;
}

footer {
    margin-top: 60px;
    padding-top: 24px;
    border-top: 1px solid #e5e7eb;
    text-align: center;
    font-size: 13px;
    color: #6b7280;
}