/* 全局样式 */
body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #1E1E1E, #2C2C2C);
    color: #FFFFFF;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3 {
    font-weight: bold;
    margin-bottom: 20px;
    color: #0A84FF;
}

p {
    font-family: 'Helvetica', sans-serif;
    letter-spacing: 0.5px;
    margin-bottom: 15px;
}

a {
    color: #0A84FF;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #FF2D55;
}

button {
    background-color: #0A84FF;
    color: #FFFFFF;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

button:hover {
    transform: scale(1.1);
    background-color: #FF2D55;
}

/* 布局样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.header {
    text-align: center;
    padding: 40px 0;
    background: linear-gradient(90deg, #0A84FF, #FF2D55);
    color: #FFFFFF;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.header h1 {
    font-size: 3rem;
    margin: 0;
}

.card {
    background: linear-gradient(to bottom, #2C2C2C, #1E1E1E);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    padding: 20px;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.grid-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.image {
    width: 100%;
    max-width: 320px;
    height: auto;
    border-radius: 8px;
}

.code-block {
    background: #1E1E1E;
    color: #0A84FF;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.table-container {
    overflow-x: auto;
}

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

th, td {
    border: 1px solid #444;
    padding: 10px;
    text-align: left;
}

th {
    background-color: #0A84FF;
    color: #FFFFFF;
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 1s forwards;
}

/* 响应式设计 */
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }

    .container {
        grid-template-columns: 1fr;
    }

    .header h1 {
        font-size: 2rem;
    }

    .card {
        padding: 15px;
    }
}