:root {
    --primary: #1a1a2e;
    --secondary: #16213e;
    --accent: #e94560;
    --text-light: #ffffff;
    --text-dim: #a0a0b0;
    --card-bg: rgba(255, 255, 255, 0.05);
    --glass: rgba(22, 33, 62, 0.7);
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background: linear-gradient(135deg, var(--primary), var(--secondary), #0f3460);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    color: var(--text-light);
    line-height: 1.6;
    min-height: 100vh;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* 导航栏 */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    background: var(--glass);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}
nav .logo { font-size: 20px; font-weight: bold; color: var(--text-light); text-decoration: none; }
nav .links a { color: var(--text-dim); text-decoration: none; margin: 0 15px; font-weight: bold; transition: color 0.3s; }
nav .links a:hover, nav .links a.active { color: var(--accent); }
.lang-switch button { background: transparent; color: var(--text-light); border: 1px solid var(--text-dim); padding: 5px 10px; margin-left: 5px; border-radius: 4px; cursor: pointer; font-size: 12px; transition: 0.3s; }
.lang-switch button.active { background: var(--accent); border-color: var(--accent); }

/* 容器和卡片 */
.container { max-width: 1100px; margin: 40px auto; padding: 0 20px; }
.card { background: var(--card-bg); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.1); border-radius: 15px; padding: 30px; margin-bottom: 30px; box-shadow: 0 8px 32px rgba(0,0,0,0.2); }
h1, h2 { color: var(--text-light); }
h2 { border-bottom: 2px solid var(--accent); display: inline-block; padding-bottom: 5px; margin-top: 0; }

/* 游戏网格 */
.games-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px; margin-top: 20px; }
.game-card { background: var(--glass); border-radius: 12px; padding: 20px; text-align: center; transition: all 0.3s ease; border: 1px solid rgba(255,255,255,0.05); }
.game-card:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(233, 69, 96, 0.4); border-color: var(--accent); }
.game-card h3 { margin: 10px 0; font-size: 16px; color: var(--text-light); }
.game-card span { display: inline-block; background: var(--accent); color: white; padding: 6px 15px; border-radius: 20px; text-decoration: none; font-size: 13px; font-weight: bold; cursor: pointer; transition: 0.2s; }
.game-card span:hover { background: #c73650; }

/* 页脚 */
footer { text-align: center; padding: 30px; color: var(--text-dim); font-size: 14px; margin-top: 50px; border-top: 1px solid rgba(255,255,255,0.1); }
footer a { color: var(--accent); text-decoration: none; margin: 0 10px; font-weight: bold; }

/* 响应式 */
@media (max-width: 768px) {
    nav { flex-direction: column; gap: 10px; }
    .games-grid { grid-template-columns: repeat(2, 1fr); }
}