/* ============================================================
   Zhiyuan Qi — 个人学术主页样式表
   只有这一个 CSS 文件，所有页面共用。

   【改配色】改下面 :root 里的 --accent 一行即可（整站链接、
   强调色会一起变）。常见备选：
     深酒红  #8c2f39   ← 当前
     学院蓝  #2a4d69
     墨绿    #2f5d50
     NC State 红 #cc0000
   ============================================================ */

/* ---------- 字体（自带，不依赖 Google Fonts）----------
   字体文件在 assets/fonts/，随站点一起上传即可。
   自带的好处：国内打开不卡、断网也正常、不给 Google 送访客数据。
   ---------------------------------------------------- */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/inter-latin-400-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/inter-latin-500-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/inter-latin-600-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/source-serif-4-latin-400-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Source Serif 4";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/source-serif-4-latin-400-italic.woff2") format("woff2");
}
@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/source-serif-4-latin-600-normal.woff2") format("woff2");
}

:root {
  --accent:        #8c2f39;
  --accent-soft:   #f3e9ea;

  --text:          #1c1c1e;
  --text-muted:    #5f6368;
  --text-faint:    #8a8f98;
  --bg:            #ffffff;
  --bg-soft:       #fafaf9;
  --rule:          #e3e2e0;
  --rule-strong:   #c9c7c4;

  --serif:  "Source Serif 4", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans:   "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono:   ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --measure: 44rem;   /* 正文栏宽 */

  /* 顶部大图的上下取景：0% = 显示照片最上面，100% = 最下面 */
  --hero-y:      38%;   /* 首页 */
  --hero-slim-y: 24%;   /* 其他页面的窄条 */
}

/* 深色模式：跟随系统设置自动切换，无需按钮 */
@media (prefers-color-scheme: dark) {
  :root {
    --accent:      #d98b93;
    --accent-soft: #2a1f21;

    --text:        #e8e6e3;
    --text-muted:  #a8a5a0;
    --text-faint:  #7b7873;
    --bg:          #16161a;
    --bg-soft:     #1d1d21;
    --rule:        #2e2e33;
    --rule-strong: #45454b;
    color-scheme: dark;
  }
}

/* ---------- 基础 ---------- */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  /* 内容少的页面（比如 Teaching）也让页脚贴在窗口底部 */
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* .wrap 只管左右留白；上下留白交给各个区块自己定，互不覆盖 */
.wrap {
  width: 100%;
  max-width: var(--measure);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .15s ease, color .15s ease;
}
a:hover { border-bottom-color: currentColor; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}
.hero :focus-visible { outline-color: #fff; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
}

[hidden] { display: none !important; }

p { margin: 0 0 1.05em; }
strong { font-weight: 600; }

code {
  font-family: var(--mono);
  font-size: .88em;
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: .05em .35em;
}

/* ============================================================
   HERO —— 整幅照片banner
   首页用 .hero（高），内页用 .hero.hero--slim（矮），
   所有页面用同一张 assets/img/hero.jpg。
   换照片：用新照片覆盖 assets/img/hero.jpg（文件名不变）。
   取景偏上还是偏下：改上面 :root 里的 --hero-y / --hero-slim-y。
   ============================================================ */

.hero {
  position: relative;
  height: 62vh;
  min-height: 380px;
  max-height: 560px;
  overflow: hidden;
  background: #2b2c30;
  display: flex;
  align-items: flex-end;
}

.hero--slim {
  height: 30vh;
  min-height: 190px;
  max-height: 260px;
}

/* 叠放的照片层，用于淡入淡出轮播 */
.hero-media { position: absolute; inset: 0; }
.hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center var(--hero-y);
  opacity: 0;
  transition: opacity 1.4s ease-in-out;
}
.hero-media img.is-active { opacity: 1; }
/* 窄条只截照片的一条，位置见 --hero-slim-y */
.hero--slim .hero-media img { object-position: center var(--hero-slim-y); }
/* 关掉 JS 也能看到第一张 */
.hero-media img:first-child { opacity: 1; }
.hero-media.js-ready img:first-child { opacity: 0; }
.hero-media.js-ready img.is-active { opacity: 1; }

/* 压在照片上的深色渐变，保证白字在任何照片上都读得清 */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, .34) 0%,
    rgba(0, 0, 0, .06) 34%,
    rgba(0, 0, 0, .40) 74%,
    rgba(0, 0, 0, .66) 100%
  );
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--measure);
  margin: 0 auto;
  padding-bottom: 2.1rem;
  color: #fff;
}
.hero--slim .hero-inner { padding-bottom: 1.4rem; }

.site-title {
  font-family: var(--serif);
  font-size: 3rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.08;
  margin: 0 0 .35rem;
  text-shadow: 0 2px 22px rgba(0, 0, 0, .45);
}
.site-title a { color: #fff; border: 0; }
.site-title a:hover { color: #fff; opacity: .85; }
.hero--slim .site-title { font-size: 1.9rem; margin-bottom: .15rem; }

.site-subtitle {
  margin: 0;
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: .01em;
  color: rgba(255, 255, 255, .93);
  text-shadow: 0 1px 14px rgba(0, 0, 0, .5);
}
.hero--slim .site-subtitle { font-size: .9rem; }

/* 右下角的照片署名 */
.hero-credit {
  position: absolute;
  right: 1.5rem;
  bottom: .85rem;
  z-index: 2;
  font-size: .72rem;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .62);
  text-shadow: 0 1px 8px rgba(0, 0, 0, .6);
}

/* ---------- 导航 ---------- */

.navbar {
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav a {
  display: inline-block;
  padding: .95rem 0 .8rem;
  color: var(--text-muted);
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  border-bottom: 2px solid transparent;
}
.nav a:hover { color: var(--text); }
.nav a.active { color: var(--text); border-bottom-color: var(--accent); }

/* ---------- 主体 ---------- */

main { padding-top: 3rem; padding-bottom: 4rem; flex: 1 0 auto; }
.hero, .navbar, .site-footer { flex: none; }

h1.page-title {
  font-family: var(--serif);
  font-size: 1.75rem;
  font-weight: 600;
  margin: 0 0 2rem;
  letter-spacing: -0.01em;
}

.section { margin: 0 0 3.2rem; }

.section > h2 {
  font-family: var(--sans);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 1.2rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--rule);
}

h3 {
  font-family: var(--serif);
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.4;
  margin: 0 0 .3rem;
}

/* ---------- 首页：头像 + 简介 ---------- */

.intro {
  display: flex;
  gap: 2.2rem;
  align-items: flex-start;
  margin-bottom: 3rem;
}
.intro-text { flex: 1 1 auto; min-width: 0; }
.intro-text p:last-child { margin-bottom: 0; }

.portrait {
  flex: 0 0 190px;
  width: 190px;
}
.portrait img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 3px;
  background: var(--bg-soft);
}
.portrait .caption {
  margin-top: .7rem;
  font-size: .82rem;
  line-height: 1.5;
  color: var(--text-muted);
}
.portrait .caption a { word-break: break-word; }

/* 关键词条 */
.keywords {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.keywords li {
  font-size: .84rem;
  color: var(--text-muted);
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  border-radius: 100px;
  padding: .2rem .8rem;
}

/* 首页简介里的小标题（Research Interests / Contact）和联系方式 */
.intro-text .lead { font-size: 1.08rem; margin-bottom: 1.9rem; }
.intro-text .label {
  font-family: var(--sans);
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 .8rem;
  padding-bottom: .45rem;
  border-bottom: 1px solid var(--rule);
}
.intro-text .keywords { margin-bottom: 1.9rem; }
.intro-text .contact { font-size: .95rem; line-height: 1.65; color: var(--text-muted); }

/* ---------- News ---------- */

.news { margin: 0; padding: 0; list-style: none; }
.news li {
  display: flex;
  gap: 1.1rem;
  padding: .55rem 0;
  border-bottom: 1px dotted var(--rule);
  font-size: .95rem;
}
.news li:last-child { border-bottom: 0; }
.news .date {
  flex: 0 0 5.6rem;
  color: var(--text-faint);
  font-variant-numeric: tabular-nums;
  font-size: .87rem;
  padding-top: .1rem;
}

/* ---------- 论文条目 ---------- */

.paper {
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--rule);
}
.paper:last-child { border-bottom: 0; }

/* 论文标题做成链接时：保持正文颜色，用一条细下划线提示可以点 */
.paper h3 a {
  color: inherit;
  border-bottom: 1px solid var(--rule-strong);
}
.paper h3 a:hover {
  color: var(--accent);
  border-bottom-color: currentColor;
}

.paper .authors {
  font-size: .92rem;
  color: var(--text-muted);
  margin: 0 0 .25rem;
}
.paper .authors .me { color: var(--text); font-weight: 600; }

.paper .venue {
  font-size: .92rem;
  color: var(--text-muted);
  margin: 0;
}
.paper .venue em { font-style: italic; }

.paper .status {
  display: inline-block;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 3px;
  padding: .12rem .5rem;
  vertical-align: 3px;
  margin-left: .1rem;
}

.paper-links {
  margin-top: .55rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: .87rem;
}

/* 摘要折叠（纯 HTML，无 JS） */
details.abstract { margin-top: .55rem; }
details.abstract > summary {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .87rem;
  color: var(--accent);
  user-select: none;
}
details.abstract > summary::-webkit-details-marker { display: none; }
details.abstract > summary::before {
  content: "▸";
  font-size: .8em;
  transition: transform .15s ease;
}
details.abstract[open] > summary::before { transform: rotate(90deg); }
details.abstract > summary:hover { text-decoration: underline; }
details.abstract .abstract-body {
  margin-top: .7rem;
  padding: .9rem 1.1rem;
  background: var(--bg-soft);
  border-left: 2px solid var(--rule-strong);
  font-size: .93rem;
  line-height: 1.65;
  color: var(--text-muted);
}
details.abstract .abstract-body p:last-child { margin-bottom: 0; }

/* 待补充的占位条目 */
.paper.placeholder {
  border: 1px dashed var(--rule-strong);
  border-radius: 4px;
  padding: 1.1rem 1.2rem;
  margin: 1.15rem 0;
  background: var(--bg-soft);
}
.paper.placeholder h3 { color: var(--text-faint); font-style: italic; }
.paper.placeholder .hint {
  font-size: .87rem;
  color: var(--text-faint);
  margin: .4rem 0 0;
}

/* ---------- CV / 履历条目 ---------- */

.entry {
  display: flex;
  gap: 1.5rem;
  padding: .95rem 0;
  border-bottom: 1px solid var(--rule);
}
.entry:last-child { border-bottom: 0; }
.entry .when {
  flex: 0 0 7.5rem;
  font-size: .87rem;
  color: var(--text-faint);
  font-variant-numeric: tabular-nums;
  padding-top: .18rem;
}
.entry .what { flex: 1 1 auto; min-width: 0; }
.entry .what h3 { font-size: 1.03rem; margin-bottom: .12rem; }
.entry .what .sub {
  font-size: .92rem;
  color: var(--text-muted);
  margin: 0;
}
.entry .what ul {
  margin: .5rem 0 0;
  padding-left: 1.1rem;
  font-size: .93rem;
  color: var(--text-muted);
}
.entry .what li { margin-bottom: .28rem; }

/* 待填写的条目（比如这学期的课）：虚线框，填完删掉 placeholder 就恢复正常 */
.entry.placeholder {
  border: 1px dashed var(--rule-strong);
  border-radius: 4px;
  padding: .95rem 1.1rem;
  margin: .4rem 0 .8rem;
  background: var(--bg-soft);
}
.entry.placeholder h3 { color: var(--text-faint); font-style: italic; }
.entry.placeholder .hint {
  font-size: .87rem;
  color: var(--text-faint);
  margin: .5rem 0 0;
}

/* 下载按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem 1.1rem;
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--text);
  background: var(--bg);
}
.btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

/* ============================================================
   PERSONAL 页 + MY WORKS 相册页（works.html）
   ============================================================ */

.personal-intro {
  max-width: 36rem;
  margin-bottom: 2.4rem;
}

/* Personal 页上的 "My Works" 入口卡片 */
.works-card {
  display: block;
  max-width: 36rem;
  padding: .6rem;
  border: 1px solid var(--rule);
  border-radius: 6px;
  color: var(--text);
  background: var(--bg);
  transition: border-color .15s ease, box-shadow .2s ease;
}
.works-card:hover {
  border-color: var(--rule-strong);
  box-shadow: 0 8px 28px rgba(0, 0, 0, .08);
}
.works-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .4rem;
}
.works-strip img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 3px;
  background: var(--bg-soft);
}
.works-label {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .2rem 1rem;
  padding: .8rem .3rem .2rem;
}
.works-title {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.3;
}
.works-card:hover .works-title { color: var(--accent); }
.works-arrow {
  font-size: 1.15rem;
  color: var(--text-faint);
  transition: transform .15s ease, color .15s ease;
}
.works-card:hover .works-arrow { color: var(--accent); transform: translateX(3px); }

/* works.html 顶部 */
.crumb { margin: 0 0 1.2rem; font-size: .86rem; }
.crumb a { color: var(--text-muted); }
.crumb a:hover { color: var(--accent); }
.page-title + .works-lede { margin-top: -1.3rem; }
.works-lede { color: var(--text-muted); margin-bottom: 2.2rem; }

/* 相册目录：每个地点一张封面卡片（由 assets/js/gallery.js 自动生成） */
.album-index {
  display: none;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.7rem 1.1rem;
}
.js .album-index { display: grid; }
.album-card { display: block; color: var(--text); border: 0; }
.album-cover {
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 3px;
  background: var(--bg-soft);
}
.album-cover img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.album-card:hover .album-cover img { transform: scale(1.04); }
.album-name {
  display: block;
  margin-top: .6rem;
  font-family: var(--serif);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.35;
}
.album-card:hover .album-name { color: var(--accent); }
.album-meta {
  display: block;
  margin-top: .1rem;
  font-size: .8rem;
  color: var(--text-faint);
}

/* 单个地点的相册。没有 JS 时全部依次展开；有 JS 时只显示点开的那一个 */
.album + .album { margin-top: 3rem; }
.js .album { display: none; }
.js .album.is-open { display: block; }
.js .album + .album { margin-top: 0; }   /* 同时只显示一个，不需要间距 */
.album-title {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 .2rem;
}
.album-note, .album-count { margin: 0; font-size: .9rem; color: var(--text-muted); }

/* 照片按原比例排成两列（竖图不会被裁掉） */
.gallery {
  columns: var(--cols, 2);
  column-gap: .8rem;
  margin-top: 1.4rem;
}
.gallery figure { margin: 0 0 .8rem; break-inside: avoid; }
.gallery img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 3px;
  background: var(--bg-soft);
  cursor: zoom-in;
  transition: opacity .15s ease;
}
.gallery img:hover { opacity: .88; }
.gallery figcaption {
  margin-top: .4rem;
  font-size: .84rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* 点开放大：左右箭头 / 键盘方向键 / 手机左右滑 切换，Esc 关闭 */
#lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 3.2rem 4.4rem;
  background: rgba(12, 12, 14, .94);
}
#lightbox.open { display: flex; }
#lightbox img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 3px;
  box-shadow: 0 18px 60px rgba(0, 0, 0, .5);
}
.lb-btn {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  padding: 0 0 .2rem;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: rgba(255, 255, 255, .8);
  font: 400 2.2rem/1 var(--sans);
  cursor: pointer;
}
.lb-btn:hover { color: #fff; background: rgba(255, 255, 255, .1); }
.lb-close { top: .7rem; right: .8rem; font-size: 1.9rem; }
.lb-prev { left: .7rem; top: 50%; transform: translateY(-50%); }
.lb-next { right: .7rem; top: 50%; transform: translateY(-50%); }
.lb-count {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1rem;
  margin: 0;
  text-align: center;
  font-size: .78rem;
  letter-spacing: .08em;
  font-variant-numeric: tabular-nums;
  color: rgba(255, 255, 255, .62);
}
#lightbox :focus-visible { outline-color: #fff; }

@media (max-width: 640px) {
  .album-index { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.3rem .8rem; }
  .gallery { column-gap: .5rem; }
  .gallery figure { margin-bottom: .5rem; }
  #lightbox { padding: 3.6rem .5rem 4.4rem; }
  .lb-prev, .lb-next { top: auto; bottom: .6rem; transform: none; }
  .lb-prev { left: 1rem; }
  .lb-next { right: 1rem; }
  .lb-count { bottom: 1.5rem; }
}

/* ---------- 提示框（给你自己看的，交付前删掉即可） ---------- */

.todo-note {
  margin: 0 0 2.4rem;
  padding: .85rem 1.1rem;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 4px 4px 0;
  font-size: .88rem;
  line-height: 1.6;
  color: var(--text-muted);
}
.todo-note strong { color: var(--text); }
.todo-note p:last-child { margin-bottom: 0; }

/* ---------- 页脚 ---------- */

.site-footer {
  position: relative;
  padding-top: 1.6rem;
  padding-bottom: 3rem;
  font-size: .85rem;
  color: var(--text-faint);
  display: flex;
  flex-wrap: wrap;
  gap: .4rem 1.2rem;
  justify-content: space-between;
}
/* 页脚上方那条细线，和正文左右对齐 */
.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 1.5rem;
  right: 1.5rem;
  border-top: 1px solid var(--rule);
}

/* ---------- 窄屏 ---------- */

@media (max-width: 640px) {
  body { font-size: 16px; }

  .hero { height: 46vh; min-height: 300px; }
  .hero--slim { height: 22vh; min-height: 150px; }
  .site-title { font-size: 2.05rem; }
  .hero--slim .site-title { font-size: 1.5rem; }
  .site-subtitle { font-size: .9rem; }
  .hero-inner { padding-bottom: 1.5rem; }
  .hero-credit { display: none; }   /* 窄屏上会跟名字打架，直接藏掉 */

  .nav { gap: .95rem; }
  .nav a { font-size: .72rem; letter-spacing: .05em; padding: .85rem 0 .7rem; }
  main { padding-top: 2.2rem; padding-bottom: 3rem; }

  .intro {
    flex-direction: column-reverse;
    gap: 1.6rem;
  }
  .portrait { flex-basis: auto; width: 150px; }

  .entry { flex-direction: column; gap: .3rem; }
  .entry .when { flex-basis: auto; }
  .news li { flex-direction: column; gap: .1rem; }
  .news .date { flex-basis: auto; }
}

/* ---------- 打印 ---------- */

@media print {
  .nav, .site-footer, .todo-note, .btn, #lightbox { display: none !important; }
  body { font-size: 11pt; color: #000; background: #fff; }
  a { color: #000; }
}