/* 文档页布局：左侧目录+右侧正文 */
.doc-container {
    display: flex;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    gap: 24px;
}
/* 左侧固定目录 */
.doc-aside {
    width: 260px;
    flex-shrink: 0;
    position: sticky;
    top: 20px;
    height: calc(100vh - 40px);
    overflow-y: auto;
}
.doc-aside .logo {
    font-size: 20px;
    font-weight: bold;
    color: var(--main);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}
.doc-nav {
    list-style: none;
}
.doc-nav-item {
    margin: 8px 0;
}
.doc-nav-item a {
    color: var(--text);
    text-decoration: none;
    display: block;
    padding: 6px 10px;
    border-radius: 6px;
    transition: 0.2s;
}
.doc-nav-item a:hover,
.doc-nav-item a.active {
    background: var(--btn-bg);
    color: var(--main);
}
.doc-nav-sub {
    list-style: none;
    padding-left: 20px;
    margin-top: 4px;
}
/* 右侧正文区域 */
.doc-main {
    flex: 1;
    padding-top: 8px;
}
.doc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}
.doc-breadcrumb {
    display: flex;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}
.doc-breadcrumb-item::after {
    content: "/";
    margin-left: 8px;
    color: var(--border);
}
.doc-breadcrumb-item:last-child::after {
    content: "";
}
.doc-section {
    margin: 32px 0;
}
.doc-section h2 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--main);
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}
.doc-section h3 {
    font-size: 18px;
    margin: 24px 0 12px;
}
.doc-component {
    margin: 20px 0;
    padding: 16px;
    border-radius: 8px;
    border: 1px solid var(--border);
}
.doc-component-title {
    font-weight: bold;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.doc-component-desc {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 14px;
}
.doc-demo {
    padding: 16px;
    background: var(--card-bg);
    border-radius: 6px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
}
/* 响应式适配 */
@media (max-width: 768px) {
    .doc-container {
        flex-direction: column;
    }
    .doc-aside {
        width: 100%;
        position: static;
        height: auto;
        border-bottom: 1px solid var(--border);
        padding-bottom: 20px;
        margin-bottom: 20px;
    }
}