/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #0a0a1a;
    color: #ffffff;
    line-height: 1.6;
    background-image: url('https://via.placeholder.com/1920x1080?text=三角洲辅助游戏背景');
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
}

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

/* 导航栏样式 - 版本1 (橙色渐变) */
header {
    background: linear-gradient(90deg, #ff9500, #ff3b30);
    padding: 15px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #ffffff;
    text-decoration: none;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.nav {
    display: flex;
    gap: 20px;
}

.nav a {
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    font-weight: bold;
    transition: all 0.3s;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
}

.nav a:hover {
    text-decoration: underline;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* 底部样式 */
footer {
    background: linear-gradient(90deg, #ffcc00, #ff3b30);
    padding: 15px 0;
    text-align: center;
    position: relative;
    z-index: 1000;
}

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

.copyright {
    color: #000000;
    font-size: 12px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .nav {
        flex-wrap: wrap;
        justify-content: center;
    }
}