/*
 * physics-lab.css — Typora 主题
 * 仿浙江大学物理实验教学中心 Word 模板排版
 */

/* ===== 页面设置 (导出PDF时生效) ===== */
@media print {
    @page {
        size: A4;
        margin: 2.54cm 1.91cm;
    }
}

/* ===== 基础排版 ===== */
:root {
    --font-song: "宋体", "SimSun", "Songti SC", serif;
    --font-hei: "黑体", "SimHei", "Heiti SC", sans-serif;
    --font-fang: "仿宋", "FangSong", "STFangsong", serif;
    --font-latin: "Times New Roman", Times, serif;
    --base-size: 12pt;
}

html {
    font-size: var(--base-size);
}

body {
    font-family: var(--font-song);
    font-size: var(--base-size);
    color: #000;
    background: #fff;
    -webkit-font-smoothing: auto;
}

#write {
    max-width: 21cm;
    padding: 2.54cm 1.91cm;
    font-family: var(--font-song);
    font-size: var(--base-size);
    line-height: 1.5;
    color: #000;
}

/* ===== 封面页 ===== */
#write .cover {
    text-align: center;
    padding-top: 2.5cm;
    page-break-after: always;
    break-after: page;
}

#write .cover h1 {
    font-family: var(--font-song);
    font-size: 36pt;
    font-weight: bold;
    text-align: center;
    margin-top: 0;
    margin-bottom: 3cm;
    padding-bottom: 0;
    border-bottom: none;
    line-height: 1.4;
    color: #000;
}

#write .cover-group-lg p {
    font-family: var(--font-song);
    font-size: 16pt;
    font-weight: bold;
    line-height: 2;
    margin: 0;
    text-align: center;
}

#write .cover-group-sm p {
    font-family: var(--font-song);
    font-size: 16pt;
    font-weight: bold;
    line-height: 2;
    margin: 0;
    text-align: center;
}

#write .cover-group-lg {
    width: 13cm;
    margin: 0 auto 1.5cm auto;
}

#write .cover-group-sm {
    width: 13cm;
    margin: 0 auto 1.5cm auto;
}

#write .cover-footer {
    font-family: var(--font-song);
    font-size: 14pt;
    font-weight: normal;
    margin-top: 1cm;
}

#write .cover-footer p {
    font-size: 14pt;
    font-weight: normal;
    text-align: center;
}

/* ===== 标题层级 ===== */

/* h1 — 封面大标题: 宋体 36pt 加粗居中 */
#write h1 {
    font-family: var(--font-song);
    font-size: 36pt;
    font-weight: bold;
    text-align: center;
    margin-top: 0;
    margin-bottom: 0.5em;
    padding-bottom: 0;
    border-bottom: none;
    line-height: 1.4;
    color: #000;
}

/* h2 — 大节标题(一、二、三、四): 黑体 16pt 加粗 */
#write h2 {
    font-family: var(--font-hei);
    font-size: 16pt;
    font-weight: bold;
    text-align: left;
    margin-top: 1em;
    margin-bottom: 0.5em;
    padding-bottom: 0;
    border-bottom: none;
    line-height: 1.5;
    color: #000;
}

/* h3 — 小节标题(1. 2. 3.): 宋体 14pt 加粗 */
#write h3 {
    font-family: var(--font-song);
    font-size: 14pt;
    font-weight: bold;
    text-align: left;
    margin-top: 0.8em;
    margin-bottom: 0.4em;
    line-height: 1.5;
    color: #000;
}

/* h4/h5/h6 备用 */
#write h4, #write h5, #write h6 {
    font-family: var(--font-song);
    font-size: 12pt;
    font-weight: bold;
    color: #000;
}

/* ===== 段落与正文 ===== */
#write p {
    font-family: var(--font-song);
    font-size: var(--base-size);
    line-height: 1.5;
    margin-top: 0.3em;
    margin-bottom: 0.3em;
    text-align: justify;
    color: #000;
}

/* 加粗文字 — 封面字段等 */
#write p strong {
    font-weight: bold;
}

/* ===== 居中块 (封面标题、落款) ===== */
#write div[align="center"] {
    text-align: center;
}

#write div[align="center"] p {
    text-align: center;
}

/* ===== 分页控制 ===== */
#write div[style*="page-break-after"] {
    page-break-after: always !important;
    break-after: page !important;
    height: 0;
    margin: 0;
    padding: 0;
    border: none;
}

@media print {
    div[style*="page-break-after"] {
        page-break-after: always !important;
        break-after: page !important;
    }
}

/* ===== 有序列表 — 注意事项区 (仿宋) ===== */
#write ol {
    font-family: var(--font-fang);
    font-size: var(--base-size);
    line-height: 20pt;
    padding-left: 1.5em;
    margin-top: 0.3em;
    margin-bottom: 0.3em;
}

#write ol li {
    font-family: var(--font-fang);
    font-size: var(--base-size);
    line-height: 20pt;
    margin-bottom: 0.2em;
}

/* ===== 无序列表 ===== */
#write ul {
    font-family: var(--font-song);
    font-size: var(--base-size);
    line-height: 1.5;
    padding-left: 1.5em;
}

/* ===== 水平分割线 — 隐藏(用分页替代) ===== */
#write hr {
    display: none;
}

/* ===== 表格 — 三线表风格 ===== */
#write table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-song);
    font-size: var(--base-size);
    margin: 1em 0;
}

#write table thead {
    border-top: 2px solid #000;
    border-bottom: 1px solid #000;
}

#write table thead th {
    font-weight: bold;
    text-align: center;
    padding: 6px 8px;
    border: none;
}

#write table tbody td {
    text-align: center;
    padding: 4px 8px;
    border: none;
}

#write table tbody tr:last-child {
    border-bottom: 2px solid #000;
}

/* ===== 图片 ===== */
#write img {
    max-width: 90%;
    display: block;
    margin: 1em auto;
}

/* ===== 代码块(备用) ===== */
#write code {
    font-family: "Courier New", Courier, monospace;
    font-size: 11pt;
    background: #f5f5f5;
    padding: 1px 4px;
    border-radius: 2px;
}

#write pre {
    background: #f5f5f5;
    padding: 0.8em 1em;
    border-radius: 3px;
    overflow-x: auto;
}

#write pre code {
    background: none;
    padding: 0;
}

/* ===== 链接 ===== */
#write a {
    color: #000;
    text-decoration: underline;
}

@media print {
    #write a {
        color: #000;
        text-decoration: none;
    }
}

/* ===== 块引用 ===== */
#write blockquote {
    border-left: 3px solid #999;
    padding-left: 1em;
    margin-left: 0;
    color: #333;
    font-style: normal;
}

/* ===== 公式全部居中 ===== */
#write [mdtype="math_block"],
#write .md-math-block,
#write .md-rawblock[mdtype="math_block"],
#write .md-rawblock-container,
#write .mathjax-block,
#write .MathJax,
#write .MathJax_Display,
#write .MathJax_SVG_Display,
#write mjx-container,
#write mjx-container[display="true"],
#write mjx-container[jax="SVG"],
#write .katex-display,
#write .katex-html,
#write [contenteditable="false"][class*="math"] {
    text-align: center !important;
    margin-left: auto !important;
    margin-right: auto !important;
}

#write .MathJax,
#write .MathJax_Display,
#write .MathJax_SVG_Display,
#write mjx-container {
    display: block !important;
    margin: 0.5em auto !important;
}

#write .md-math-block mjx-container,
#write [mdtype="math_block"] mjx-container {
    display: block !important;
    text-align: center !important;
    margin: 0 auto !important;
}

/* 行内公式保持 inline */
#write mjx-container:not([display="true"]) {
    display: inline !important;
    margin: 0 !important;
}

/* ===== 思考题区域 — 答案楷体五号(10.5pt) ===== */
#write .thinking-questions {
    font-family: "楷体", "KaiTi", "STKaiti", "Kaiti SC", serif;
    font-size: 10.5pt;
    line-height: 1.5;
}

#write .thinking-questions p {
    font-family: "楷体", "KaiTi", "STKaiti", "Kaiti SC", serif;
    font-size: 10.5pt;
}

#write .thinking-questions strong {
    font-family: var(--font-song);
    font-size: var(--base-size);
}

#write .thinking-questions ul,
#write .thinking-questions ol,
#write .thinking-questions li {
    font-family: "楷体", "KaiTi", "STKaiti", "Kaiti SC", serif;
    font-size: 10.5pt;
}

/* ===== 打印优化 ===== */
@media print {
    html, body {
        background: #fff;
    }

    #write {
        max-width: none;
        padding: 0;
    }

    h2, h3 {
        page-break-after: avoid;
        break-after: avoid;
    }

    table, figure, img {
        page-break-inside: avoid;
        break-inside: avoid;
    }
}