/* 定义CSS变量 */
:root {
    --primary-color: #FF7324;
    --primary-light: #ff8d4d;
    --primary-dark: #e05a1a;
    --secondary-color: #2f363d;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --card-shadow: 0 5px 15px rgba(0,0,0,0.05);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

body {
    background: #f2f2f2;
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
header {
    background: var(--primary-color);
    color: white;
    padding: 40px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.doc-container {
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 20px;
}
.doc-header {
    text-align: center;
    margin-bottom: 40px;
}
.doc-header h1 {
    color: #333;
    font-size: 2.5em;
    margin-bottom: 10px;
}
.doc-header p {
    color: #666;
    font-size: 1.2em;
}
.doc-content {
    display: flex;
    gap: 40px;
}
.doc-sidebar {
    width: 280px;
    flex-shrink: 0;
    background: #f8f9fa;
    border-radius: 8px;
    padding: 20px;
}
.doc-main {
    flex: 1;
    min-width: 0;
}

.category-item {
    margin-bottom: 15px;
}
.category-title {
    font-weight: bold;
    color: #333;
    margin-bottom: 10px;
    font-size: 16px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .doc-container {
        max-width: 100%;
        padding: 0 20px;
    }
    .doc-content {
        gap: 30px;
    }
    .doc-sidebar {
        width: 250px;
    }
}

@media (max-width: 768px) {
    .doc-content {
        flex-direction: column;
        gap: 20px;
    }
    .doc-sidebar {
        width: 100%;
    }
    .doc-container {
        padding: 0 15px;
    }
    .article-content {
        padding: 20px;
    }
}