/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: #f0f2f5;
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 16px 0;
    box-shadow: 0 2px 12px rgba(102, 126, 234, 0.3);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    color: #fff;
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 1px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 24px;
}

.nav-links a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s;
    padding: 4px 0;
    border-bottom: 2px solid transparent;
}

.nav-links a:hover {
    color: #fff;
    border-bottom-color: #fff;
}

/* Main */
main {
    flex: 1;
    padding: 30px 0 50px;
}

/* Game Header (Title + CTA above game) */
.game-header {
    text-align: center;
    padding: 30px 0 20px;
}

.game-header h1 {
    font-size: 2rem;
    color: #2d3436;
    margin-bottom: 20px;
    line-height: 1.3;
}

/* Game Wrapper */
.game-wrapper {
    margin-bottom: 40px;
}

.game-container {
    position: relative;
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

.game-container iframe {
    display: block;
    width: 100%;
    height: 600px;
    border: none;
}

.game-placeholder {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: opacity 0.3s;
}

.game-placeholder:hover {
    opacity: 0.9;
}

.play-button {
    width: 90px;
    height: 90px;
    background: rgba(255,255,255,0.15);
    border: 3px solid rgba(255,255,255,0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.8rem;
    color: #fff;
    backdrop-filter: blur(4px);
    transition: transform 0.3s, background 0.3s;
    margin-bottom: 16px;
}

.game-placeholder:hover .play-button {
    transform: scale(1.1);
    background: rgba(255,255,255,0.25);
}

.play-hint {
    color: rgba(255,255,255,0.8);
    font-size: 1.1rem;
    letter-spacing: 2px;
}

/* CTA Button */
.cta-container {
    text-align: center;
    margin: 24px 0 32px;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: #fff;
    font-size: 1.2rem;
    font-weight: 700;
    padding: 16px 48px;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 6px 24px rgba(245, 87, 108, 0.35);
    transition: transform 0.3s, box-shadow 0.3s;
    letter-spacing: 2px;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(245, 87, 108, 0.5);
}

.cta-button:active {
    transform: translateY(0);
}

/* Content Section */
.content-section {
    max-width: 860px;
    margin: 0 auto 40px;
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}

.content-section h1 {
    font-size: 2rem;
    color: #2d3436;
    margin-bottom: 0;
    text-align: center;
    line-height: 1.3;
}

.content-section h2 {
    font-size: 1.4rem;
    color: #6c5ce7;
    margin: 32px 0 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid #eef0f5;
}

.content-section p {
    font-size: 1rem;
    color: #555;
    margin-bottom: 16px;
    text-indent: 2em;
    text-align: justify;
}

/* FAQ Section */
.faq-section {
    max-width: 860px;
    margin: 0 auto 40px;
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}

.faq-section h2 {
    font-size: 1.4rem;
    color: #6c5ce7;
    margin-bottom: 24px;
    padding-bottom: 8px;
    border-bottom: 2px solid #eef0f5;
}

.faq-item {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f0f0;
}

.faq-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.faq-item h3 {
    font-size: 1.05rem;
    color: #2d3436;
    margin-bottom: 8px;
    font-weight: 600;
}

.faq-item p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.7;
}

/* Footer */
footer {
    background: #2d3436;
    color: rgba(255,255,255,0.7);
    padding: 30px 0;
    margin-top: auto;
}

.footer-content {
    text-align: center;
    font-size: 0.9rem;
}

.footer-content p {
    margin-bottom: 8px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    margin: 0 6px;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #fff;
}

.footer-note {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 12px;
    }
    
    .navbar {
        padding: 12px 0;
    }
    
    .logo {
        font-size: 1.2rem;
    }
    
    .nav-links {
        gap: 14px;
    }
    
    .nav-links a {
        font-size: 0.85rem;
    }
    
    .game-container iframe {
        height: 400px;
    }
    
    .play-button {
        width: 70px;
        height: 70px;
        font-size: 2.2rem;
    }
    
    .play-hint {
        font-size: 0.95rem;
    }
    
    .content-section,
    .faq-section {
        padding: 24px 16px;
        border-radius: 12px;
    }
    
    .content-section h1 {
        font-size: 1.5rem;
    }
    
    .content-section h2,
    .faq-section h2 {
        font-size: 1.2rem;
    }
    
    .cta-button {
        font-size: 1rem;
        padding: 14px 32px;
    }
}

@media (max-width: 480px) {
    .game-container iframe {
        height: 300px;
    }
    
    .content-section h1 {
        font-size: 1.3rem;
    }
    
    .content-section p {
        font-size: 0.9rem;
    }
}