/* 基础样式与页面布局 */
body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #0A192F, #1E3A5F);
    color: #CDD6F6;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: bold;
    color: #FFD700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

p {
    font-size: 1rem;
    line-height: 1.8;
    margin: 1em 0;
}

.container {
    width: 90%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 20px 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.header {
    text-align: center;
    padding: 20px;
    background: linear-gradient(135deg, rgba(10, 25, 47, 0.8), rgba(30, 58, 95, 0.8));
    width: 100%;
    position: relative;
    z-index: 10;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.header p {
    font-size: 1.2rem;
    color: #CDD6F6;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
}

.image-grid img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
}

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

.highlight {
    background: linear-gradient(135deg, #4F78FF, #00E8FF);
    color: #FFFFFF;
    padding: 10px;
    border-radius: 10px;
    margin: 10px 0;
}

pre {
    background: rgba(0, 0, 0, 0.5);
    color: #CDD6F6;
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
    font-size: 0.9rem;
}

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

table th, table td {
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 10px;
    text-align: left;
}

table th {
    background: rgba(255, 215, 0, 0.2);
}

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

    h1 {
        font-size: 2rem;
    }

    pre {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.8rem;
    }

    pre {
        font-size: 0.7rem;
    }
}