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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #667eea;
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #667eea;
}

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

.lang-btn {
    padding: 5px 15px;
    border: 1px solid #667eea;
    border-radius: 20px;
    background: transparent;
    color: #667eea;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}

.lang-btn.active {
    background: #667eea;
    color: #fff;
}

.banner {
    width: 100%;
    height: auto;
}

.section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    font-size: 32px;
    color: #333;
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-image {
    flex: 0 0 175px;
    max-width: 175px;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    text-align: center;
}

.feature-card img {
    width: 30px;
    height: 30px;
    margin-bottom: 20px;
    border-radius: 10px;
}

.feature-card h3 {
    margin-bottom: 15px;
    color: #333;
}

.game-screenshots {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.screenshot-item {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

.screenshot-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s;
}

.screenshot-item:hover img {
    transform: scale(1.05);
}

.screenshot-item p {
    padding: 15px;
    background: #fff;
    text-align: center;
    margin: 0;
}

.privacy-content, .contact-content {
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
}

.privacy-content h3, .contact-content h3 {
    margin: 20px 0 15px;
    color: #667eea;
}

.privacy-content ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.contact-item {
    flex: 1;
    min-width: 250px;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 30px 0;
    margin-top: 40px;
}

footer p {
    margin: 5px 0;
}

.en {
    display: none;
}

.lang-en .zh {
    display: none;
}

.lang-en .en {
    display: block;
}

@media (max-width: 768px) {
    .nav-links {
        flex-direction: column;
        gap: 10px;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: #fff;
        padding: 20px;
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

    .about-content {
        flex-direction: column;
    }

    .section {
        padding: 40px 0;
    }

    .section-title {
        font-size: 24px;
    }

    .privacy-content, .contact-content {
        padding: 20px;
    }
}

.menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
}