/* 全局样式设置 */
body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #0A1F44, #8B00FF);
    color: #F5F5F5;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-weight: bold;
    color: #39FF14;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

a {
    color: #39FF14;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #F5F5F5;
}

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

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

.grid-item {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    transition: transform 0.3s ease;
}

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

.gradient-title {
    background: linear-gradient(45deg, #0A1F44, #8B00FF);
    color: #F5F5F5;
    font-size: 2em;
    padding: 10px;
    text-align: center;
    margin-bottom: 20px;
}

.fade-in {
    opacity: 0;
    animation: fadeIn 2s ease-in-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.hover-button {
    background-color: #39FF14;
    border: none;
    color: #0A1F44;
    padding: 10px 20px;
    transition: all 0.3s ease;
    cursor: pointer;
    border-radius: 5px;
}

.hover-button:hover {
    background-color: #8B00FF;
    color: #F5F5F5;
}

.code-block {
    background: #0A1F44;
    color: #39FF14;
    padding: 15px;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    overflow-x: auto;
    margin: 10px 0;
}

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

    h1, h2, h3, h4 {
        font-size: 1.5em;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 14px;
    }

    .container {
        padding: 10px;
    }
}

/* 额外视觉效果 */
.page-tip {
    text-align: center;
    font-size: 1.2em;
    color: #F5F5F5;
    margin-bottom: 20px;
}

.article-section {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
}