/* 目录容器 */
.toc-container {
    position: fixed;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    width: 250px;
    max-height: 60vh;
    background: #ffffff;
    border: 1px solid #e1e1e1;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 15px;
    z-index: 1000;
    overflow-y: auto;
    font-size: 14px;
    line-height: 1.4;
}

.toc-container h3 {
    margin: 0 0 10px 0;
    color: #333;
    font-size: 16px;
    font-weight: 600;
    border-bottom: 2px solid #007bff;
    padding-bottom: 5px;
}

.toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.toc-item {
    margin: 0;
    padding: 0;
}

.toc-link {
    display: block;
    color: #666;
    text-decoration: none;
    padding: 4px 0;
    border-left: 3px solid transparent;
    padding-left: 8px;
    transition: all 0.3s ease;
}

.toc-link:hover {
    color: #007bff;
    background-color: #f8f9fa;
    border-left-color: #007bff;
}

.toc-link.active {
    color: #007bff;
    font-weight: 600;
    border-left-color: #007bff;
    background-color: #e7f3ff;
}

/* 不同级别的缩进 */
.toc-level-1 .toc-link { padding-left: 8px; }
.toc-level-2 .toc-link { padding-left: 20px; }
.toc-level-3 .toc-link { padding-left: 32px; }
.toc-level-4 .toc-link { padding-left: 44px; }
.toc-level-5 .toc-link { padding-left: 56px; }
.toc-level-6 .toc-link { padding-left: 68px; }

/* 滚动条样式 */
.toc-container::-webkit-scrollbar {
    width: 4px;
}

.toc-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 2px;
}

.toc-container::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 2px;
}

.toc-container::-webkit-scrollbar-thumb:hover {
    background: #a1a1a1;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .toc-container {
        display: none;
    }
}

/* 文章内容区域调整 */


/* 暗色主题支持 */
@media (prefers-color-scheme: dark) {
    .toc-container {
        background: #2d3748;
        border-color: #4a5568;
        color: #e2e8f0;
    }

    .toc-container h3 {
        color: #e2e8f0;
        border-bottom-color: #4299e1;
    }

    .toc-link {
        color: #a0aec0;
    }

    .toc-link:hover {
        color: #4299e1;
        background-color: #374151;
    }

    .toc-link.active {
        color: #4299e1;
        background-color: #2c5282;
    }
}