/* 全局样式定义 */
body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #1F1F1F, #2C2C2C);
    color: #FFFFFF;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

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

header {
    text-align: center;
    padding: 40px 0;
    background: linear-gradient(90deg, #007BFF, #32CD32);
    color: #FFFFFF;
    font-size: 2rem;
    font-weight: bold;
}

section {
    margin-bottom: 40px;
}

h2, h3 {
    color: #007BFF;
    font-weight: bold;
    margin-bottom: 20px;
}

p {
    color: #D3D3D3;
    font-size: 1rem;
    line-height: 1.8;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
}

.grid-item {
    background-color: #2C2C2C;
    color: #FFFFFF;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.call-to-action {
    background-color: #32CD32;
    color: #FFFFFF;
    padding: 15px 30px;
    border-radius: 5px;
    text-align: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.call-to-action:hover {
    background-color: #007BFF;
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.1);
}

.code-block {
    background-color: #1F1F1F;
    color: #00FF00;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

th, td {
    border: 1px solid #32CD32;
    padding: 10px;
    text-align: left;
    color: #FFFFFF;
}

th {
    background-color: #007BFF;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

@media (max-width: 768px) {
    .grid-container {
        grid-template-columns: 1fr;
    }

    header {
        font-size: 1.5rem;
        padding: 20px 0;
    }

    .call-to-action {
        font-size: 1rem;
        padding: 10px 20px;
    }
}

.particle-animation {
    position: relative;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, #FFFFFF, transparent);
    animation: particle-move 2s infinite;
    margin: 0 auto;
}

@keyframes particle-move {
    0% { transform: translate(0, 0); }
    50% { transform: translate(50px, -50px); }
    100% { transform: translate(0, 0); }
}

.hover-button {
    background-color: #007BFF;
    color: #FFFFFF;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.hover-button:hover {
    background-color: #FFFFFF;
    color: #007BFF;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}