:root {
    --apple-blue: #007AFF;
    --apple-gray: #F5F5F7;
    --apple-dark: #1D1D1F;
    --apple-light: #FFFFFF;
    --apple-border: #D2D2D7;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--apple-dark);
    background-color: var(--apple-light);
    padding: 20px;
}

header {
    margin-bottom: 2rem;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.language-switch {
    display: flex;
    gap: 10px;
}

.language-switch button {
    background-color: var(--apple-gray);
    color: var(--apple-dark);
    border: 1px solid var(--apple-border);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.language-switch button.active {
    background-color: var(--apple-blue);
    color: var(--apple-light);
    border-color: var(--apple-blue);
}

.bookmark-btn {
    background-color: var(--apple-blue);
    color: var(--apple-light);
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.bookmark-btn:hover {
    opacity: 0.9;
}

.game-nav {
    background-color: var(--apple-gray);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 2rem;
}

.game-nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
    justify-content: center;
}

.game-nav li {
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.game-nav li.active {
    background-color: var(--apple-blue);
    color: var(--apple-light);
}

.game-nav li:hover {
    background-color: var(--apple-border);
}

main {
    max-width: 1200px;
    margin: 0 auto;
}

h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--apple-dark);
    text-align: center;
}

h2 {
    color: var(--apple-blue);
    margin: 2rem 0 1rem;
    font-size: 1.8rem;
}

.game-intro {
    text-align: center;
    margin-bottom: 2rem;
}

.game-intro p {
    font-size: 1.2rem;
    color: var(--apple-dark);
    max-width: 800px;
    margin: 0 auto;
}

.game-frame {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    margin: 2rem 0;
    background-color: var(--apple-gray);
    border-radius: 12px;
    overflow: hidden;
}

.game-frame iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.game-details {
    background-color: var(--apple-gray);
    padding: 2rem;
    border-radius: 12px;
    margin: 2rem 0;
}

.game-details ul {
    list-style-position: inside;
    margin-left: 1rem;
}

.game-details li {
    margin-bottom: 0.5rem;
}

footer {
    text-align: center;
    margin-top: 3rem;
    padding: 1rem;
    color: var(--apple-dark);
    border-top: 1px solid var(--apple-border);
}

@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .game-intro p {
        font-size: 1rem;
    }

    .game-details {
        padding: 1rem;
    }
}