342 lines
7.4 KiB
CSS
342 lines
7.4 KiB
CSS
/* Enhanced styles for robust markdown rendering */
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/* File: css/markdown-enhanced.css */
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/* KaTeX error handling styles */
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.katex-error {
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background-color: #ffeaea;
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border: 1px solid #ff6b6b;
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border-radius: 4px;
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padding: 2px 6px;
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font-family: 'Courier New', Consolas, monospace;
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font-size: 0.9em;
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color: #d63031;
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position: relative;
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cursor: help;
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}
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.katex-error.katex-block {
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display: block;
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margin: 8px 0;
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padding: 8px 12px;
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background-color: #fff5f5;
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border-left: 4px solid #ff6b6b;
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border-radius: 0 4px 4px 0;
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}
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.katex-error.katex-inline {
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display: inline;
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margin: 0 2px;
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}
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.katex-error:hover::after {
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content: attr(title);
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position: absolute;
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bottom: 100%;
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left: 50%;
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transform: translateX(-50%);
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background-color: #2d3748;
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color: white;
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padding: 4px 8px;
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border-radius: 4px;
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font-size: 12px;
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white-space: nowrap;
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z-index: 1000;
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box-shadow: 0 2px 8px rgba(0,0,0,0.15);
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}
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.katex-error:hover::before {
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content: '';
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position: absolute;
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bottom: calc(100% - 4px);
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left: 50%;
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transform: translateX(-50%);
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border: 4px solid transparent;
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border-top-color: #2d3748;
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z-index: 1000;
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}
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/* Missing image styles */
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.missing-image {
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display: inline-block;
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background-color: #f7fafc;
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border: 2px dashed #cbd5e0;
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border-radius: 4px;
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padding: 8px 12px;
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color: #718096;
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font-style: italic;
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font-size: 0.9em;
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cursor: help;
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position: relative;
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}
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.missing-image:hover {
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background-color: #edf2f7;
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border-color: #a0aec0;
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color: #4a5568;
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}
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.missing-image::before {
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content: '🖼️';
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margin-right: 6px;
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}
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/* Markdown error container */
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.markdown-error {
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background-color: #fed7d7;
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border: 1px solid #fc8181;
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border-radius: 6px;
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padding: 12px 16px;
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margin: 8px 0;
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color: #c53030;
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
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}
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.markdown-error::before {
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content: '⚠️ ';
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font-weight: bold;
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}
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/* Enhanced KaTeX display improvements */
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.katex-block {
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margin: 16px 0;
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text-align: center;
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overflow-x: auto;
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padding: 12px 16px;
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box-sizing: border-box;
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position: relative;
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}
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.katex-block .katex-display {
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display: block; /* 使用块级，保持 100% 宽度，便于右标绝对定位到最右侧 */
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width: 100%;
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margin: 0 auto;
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text-align: center; /* 保持 KaTeX 默认：使内部 .katex 居中 */
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position: relative;
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/* 预留更充足的右侧空间给公式右标（如 \tag 或编号） */
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padding-right: 4.25em;
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}
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.katex-block .katex-display .katex-tag {
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right: 0;
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}
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/* 在未包裹 .katex-block 的情况下，兜底为 .katex-display 也预留右侧空间，避免右标与公式内容挤在一起 */
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.katex-display {
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display: block !important; /* 确保占满一行，右标定位到最右侧 */
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width: 100%;
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position: relative;
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padding-right: 4.25em;
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text-align: center; /* 与 KaTeX 默认一致，内部 .katex 居中 */
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}
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/* 兼容 KaTeX 默认的 ".tag" 类与本项目历史使用的 ".katex-tag" 类 */
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.katex-display .katex-tag,
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.katex-display .tag,
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.katex .katex-tag,
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.katex .tag {
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position: absolute;
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right: 0;
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top: 0;
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height: 100%;
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display: inline-flex;
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align-items: center;
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white-space: nowrap;
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/* 给公式主体与右标之间留出一点视觉间距 */
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margin-left: 0.5em;
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}
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/* 防止公式主体撑到与右标重叠：受限其最大宽度，给右侧预留的 4.25em 空间 */
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.katex-display > .katex {
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max-width: calc(100% - 4.25em);
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}
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.katex-inline {
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margin: 0 1px;
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}
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.katex-fallback {
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background-color: #fff5f5;
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border: 1px dashed #f56565;
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border-radius: 6px;
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color: #c53030;
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font-family: 'Courier New', Consolas, monospace;
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}
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.katex-fallback.katex-block {
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text-align: left;
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padding: 12px 16px;
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white-space: normal;
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}
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.katex-fallback.katex-inline {
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display: inline-flex;
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align-items: center;
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padding: 0 6px;
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}
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.katex-fallback-source {
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white-space: pre-wrap;
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word-break: break-word;
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}
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/* 防止数学公式被段内换行算法拆分，尤其是翻译页/分块对比页的 markdown-body 全局换行规则 */
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.markdown-body .katex,
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.markdown-body .katex * {
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word-break: normal !important;
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overflow-wrap: normal !important;
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}
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/* 追加：确保 .katex-display 的 padding 不会导致容器溢出 */
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.katex-block .katex-display,
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.katex-display {
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box-sizing: border-box;
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}
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/* Performance indicator styles */
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.markdown-metrics {
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position: fixed;
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top: 10px;
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right: 10px;
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background-color: rgba(0,0,0,0.8);
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color: white;
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padding: 8px 12px;
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border-radius: 4px;
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font-size: 11px;
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font-family: monospace;
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z-index: 10000;
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display: none;
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}
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.markdown-metrics.show {
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display: block;
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}
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.markdown-metrics .metric {
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display: block;
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margin: 2px 0;
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}
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.markdown-metrics .metric.error {
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color: #ff6b6b;
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}
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.markdown-metrics .metric.success {
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color: #51cf66;
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}
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/* Responsive improvements for formulas */
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@media (max-width: 768px) {
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.katex-block {
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font-size: 0.9em;
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padding: 8px 12px;
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margin: 12px 0;
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}
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.katex-fallback.katex-block {
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padding: 8px 12px;
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}
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.katex-fallback.katex-inline {
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max-width: 100%;
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padding: 0 4px;
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white-space: pre-wrap;
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}
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.katex-error.katex-block {
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padding: 6px 8px;
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}
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.katex-error:hover::after {
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font-size: 10px;
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max-width: 200px;
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white-space: normal;
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text-align: center;
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}
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/* 移动端进一步缩小公式并减少右侧留白 */
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.katex-display {
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padding-right: 3.25em !important;
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}
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.katex-display > .katex {
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max-width: calc(100% - 3.25em) !important;
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}
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}
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/* Dark mode support */
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@media (prefers-color-scheme: dark) {
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.katex-error {
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background-color: #4a1c1c;
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border-color: #e53e3e;
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color: #feb2b2;
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}
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.katex-error.katex-block {
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background-color: #2d1212;
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border-left-color: #e53e3e;
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}
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.katex-fallback {
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background-color: #3c1a1a;
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border-color: #e53e3e;
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color: #fed7d7;
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}
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.missing-image {
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background-color: #2d3748;
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border-color: #4a5568;
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color: #a0aec0;
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}
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.missing-image:hover {
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background-color: #4a5568;
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border-color: #718096;
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color: #e2e8f0;
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}
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.markdown-error {
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background-color: #742a2a;
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border-color: #e53e3e;
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color: #feb2b2;
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}
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}
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/* Accessibility improvements */
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.katex-error:focus,
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.missing-image:focus {
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outline: 2px solid #4299e1;
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outline-offset: 2px;
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}
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/* Animation for error states */
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@keyframes shake {
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0%, 100% { transform: translateX(0); }
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25% { transform: translateX(-2px); }
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75% { transform: translateX(2px); }
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}
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.katex-error.katex-inline:hover {
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animation: shake 0.3s ease-in-out;
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}
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/* Loading states */
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.markdown-processing {
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position: relative;
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opacity: 0.7;
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}
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.markdown-processing::after {
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content: '';
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position: absolute;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
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animation: shimmer 1.5s infinite;
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}
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@keyframes shimmer {
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0% { transform: translateX(-100%); }
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100% { transform: translateX(100%); }
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}
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