/* --- ================================ --- */
/* --- 5. 升級條件 (App 5) 樣式 (新增區塊) --- */
/* --- ================================ --- */
#level-up-app {
    text-align: center;
}
#level-up-app header {
    margin-bottom: 25px;
}
#level-up-app h1 {
    color: #1877f2;
}
#level-up-app .level-up-grid {
    display: grid;
    /* Change 450px to a smaller value like 300px */
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 10px;
}
#level-up-app .level-up-grid a {
    display: block;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}
#level-up-app .level-up-grid a:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}
#level-up-app .level-up-grid img {
    width: 100%;
    height: auto;
    display: block;
}