/* 全局样式 */
body {
    margin: 0;
    font-family: 'Open Sans', sans-serif;
    background: linear-gradient(to bottom, #121212, #333333);
    color: white;
    line-height: 1.6;
}

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

header {
    background: linear-gradient(to right, #0074D9, #FF851B);
    padding: 30px 20px;
    text-align: center;
    border-bottom: 2px solid #FF851B;
}

header h1 {
    font-family: 'Roboto', sans-serif;
    font-weight: bold;
    font-size: 2.5em;
    margin: 0;
}

/* 模块化卡片布局 */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.card {
    background-color: #333333;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    overflow: hidden;
    padding: 20px;
}

.card:hover {
    transform: scale(1.05);
}

.card img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 15px;
}

.card h3 {
    font-size: 1.5em;
    margin-bottom: 10px;
    color: #FF851B;
}

.card p {
    font-size: 1em;
    color: #CCCCCC;
}

/* 数据可视化样式 */
.data-visualization {
    background: #2c3e50;
    padding: 20px;
    border-radius: 10px;
    margin-top: 30px;
}

.data-visualization pre {
    background: #1a1a1a;
    color: #00ff00;
    padding: 15px;
    border-radius: 5px;
    font-size: 0.9em;
    overflow-x: auto;
}

/* 粒子动画 */
.particle-container {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    margin-top: 30px;
}

.particle {
    position: absolute;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: float 5s infinite ease-in-out;
}

@keyframes float {
    0% {
        transform: translateY(0) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translateY(-20px) scale(1.2);
        opacity: 1;
    }
    100% {
        transform: translateY(0) scale(1);
        opacity: 0.5;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    header h1 {
        font-size: 2em;
    }

    .card {
        padding: 15px;
    }
}

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

    header h1 {
        font-size: 1.8em;
    }
}