* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f6f8;
    color: #222;
    line-height: 1.5;
}

header {
    background: #1e3a5f;
    color: #fff;
    padding: 40px 20px;
    text-align: center;
}

header h1 {
    font-size: 2.2rem;
    margin-bottom: 10px;
}

header p {
    opacity: 0.9;
}

.container {
    max-width: 1400px;
    margin: 40px auto;
    padding: 0 20px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(280px, 1fr));
    gap: 20px;
}

.banner {
    display: block;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
    transition: 0.2s ease;
}

.banner:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.14);
}

.banner img {
    display: block;
    width: 100%;
    height: 160px;
    object-fit: cover;
}

.banner-content {
    padding: 16px;
}

.banner-content h3 {
    margin-bottom: 6px;
    font-size: 1.1rem;
}

.banner-content p {
    color: #666;
    font-size: 0.95rem;
}

footer {
    text-align: center;
    padding: 30px 20px;
    color: #666;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .grid {
        grid-template-columns: 1fr;
    }

    header h1 {
        font-size: 1.8rem;
    }

    .banner img {
        height: 140px;
    }
}