/* 基础样式与布局 */
body {
    margin: 0;
    font-family: 'Open Sans', sans-serif;
    color: #fff;
    background: linear-gradient(135deg, #001F3F, #6A1B9A);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    margin-top: 0;
}

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

/* 导航栏设计 */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0, 31, 63, 0.8);
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
}

nav a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #FF851B;
}

/* 视差滚动效果 */
.parallax {
    height: 100vh;
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
}

.parallax::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 31, 63, 0.7);
    z-index: 1;
}

/* 模块化布局 */
.module {
    padding: 50px 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.module-text {
    flex: 1;
    padding-right: 20px;
}

.module-image {
    flex: 1;
    text-align: center;
}

.module-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

/* 表格与代码样式 */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

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

pre {
    background: rgba(0, 0, 0, 0.5);
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
}

code {
    color: #FF851B;
    font-family: 'Courier New', monospace;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .module {
        flex-direction: column;
    }

    .module-text, .module-image {
        flex: 1 1 100%;
        padding: 0;
        text-align: center;
    }

    table {
        font-size: 0.9rem;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animated {
    animation: fadeIn 1s ease-in-out;
}