/* 页面全局样式 */
body {
    margin: 0;
    font-family: 'Roboto', 'Open Sans', sans-serif;
    line-height: 1.6;
    letter-spacing: 0.5px;
    background: linear-gradient(to bottom, #000066, #4B0082);
    color: #ffffff;
    overflow-x: hidden;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 20px;
}

/* 标题与导航栏 */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    background: rgba(0, 0, 0, 0.3);
    position: sticky;
    top: 0;
    z-index: 100;
}

header h1 {
    font-size: 2rem;
    color: #FFD700;
}

nav a {
    color: #ffffff;
    text-decoration: none;
    margin-left: 15px;
    transition: color 0.3s ease-in-out;
}

nav a:hover {
    color: #FFA500;
}

/* 主体内容布局 */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.service-box {
    background: rgba(0, 0, 0, 0.5);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s ease-in-out;
}

.service-box:hover {
    transform: scale(1.05);
}

.service-box img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 10px;
}

.service-box h3 {
    font-size: 1.2rem;
    color: #FFD700;
}

.service-box p {
    color: #ffffff;
    font-size: 0.9rem;
}

/* 示例数据展示 */
.data-section {
    background: rgba(0, 0, 0, 0.4);
    padding: 20px;
    margin-top: 40px;
    border-radius: 8px;
}

.data-section ul {
    list-style: none;
    padding: 0;
}

.data-section li {
    background: rgba(255, 255, 255, 0.1);
    margin: 10px 0;
    padding: 10px;
    border-radius: 5px;
    transition: background 0.3s ease-in-out;
}

.data-section li:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* 文章样式 */
article {
    background: rgba(0, 0, 0, 0.6);
    padding: 20px;
    margin-top: 40px;
    border-radius: 8px;
}

article h2, article h3 {
    color: #FFD700;
}

article code {
    background: rgba(255, 255, 255, 0.1);
    padding: 5px;
    border-radius: 3px;
    color: #FFA500;
    font-family: monospace;
}

article pre {
    background: rgba(0, 0, 0, 0.8);
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.5rem;
    }

    .grid-container {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    article pre {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .grid-container {
        grid-template-columns: 1fr;
    }
}

/* 背景装饰动画 */
.background-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent),
                      repeating-linear-gradient(45deg, rgba(0, 0, 0, 0.05), rgba(0, 0, 0, 0.05) 10px, transparent 10px, transparent 20px);
    animation: background-flow 10s infinite linear;
}

@keyframes background-flow {
    from { background-position: 0 0; }
    to { background-position: 100% 100%; }
}