/* 《步摇天下》阅读页样式 */
:root {
  --paper: #f5efe3;
  --card: #fbf7ef;
  --ink: #2a2420;
  --muted: #7a6d60;
  --line: #e0d5c2;
  --gold: #a3741f;
  --red: #8a2f24;
  --fs: 19px;
  --serif: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", "Noto Serif CJK SC", serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #1b1815; --card: #24201c; --ink: #e2d9cb; --muted: #9a8e80;
    --line: #3a332c; --gold: #d0a24c; --red: #d07a68; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #1b1815; --card: #24201c; --ink: #e2d9cb; --muted: #9a8e80;
  --line: #3a332c; --gold: #d0a24c; --red: #d07a68; color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--serif); font-size: var(--fs); line-height: 1.95;
}
a { color: inherit; }
img { max-width: 100%; display: block; }

.top {
  position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 12px;
  justify-content: space-between; padding: 8px 16px; font-size: 14px; line-height: 1.5;
  background: color-mix(in srgb, var(--paper) 92%, transparent); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.crumbs { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--muted); }
.crumbs a { text-decoration: none; }
.crumbs a:first-child { color: var(--red); font-weight: 600; }
.tools { display: flex; gap: 4px; flex: none; }
.tools button {
  font: inherit; font-size: 14px; color: var(--ink); background: none; cursor: pointer;
  border: 1px solid var(--line); border-radius: 4px; padding: 2px 9px;
}

main, footer { max-width: 40em; margin: 0 auto; padding: 0 16px; }

/* 章节 */
.chapter h1 { text-align: center; font-weight: 600; margin: 2.2em 0 1.2em; line-height: 1.5; font-size: 1.45em; }
.chapter h1 small { display: block; font-size: .6em; color: var(--gold); letter-spacing: .3em; font-weight: 400; margin-bottom: .4em; }
.chapter h1 span { display: block; }
.chapter p { margin: 0 0 .9em; text-indent: 2em; text-align: justify; }
blockquote.epi {
  margin: 0 0 2.4em; padding: .8em 1.1em; font-size: .86em; line-height: 1.8; color: var(--muted);
  border-left: 3px solid var(--gold); background: var(--card);
}
.orn { text-align: center; color: var(--gold); margin: 1.6em 0; letter-spacing: 1em; font-size: .8em; }
hr.end { border: 0; border-top: 1px solid var(--line); margin: 3em 0 1.5em; }

.fig { margin: 1.8em -16px 2em; }
.fig img { width: 100%; height: auto; object-fit: cover; background: var(--line); }
.fig figcaption { padding: .6em 16px 0; font-size: .74em; line-height: 1.7; color: var(--muted); text-align: justify; }
@media (min-width: 720px) {
  .fig { margin-left: 0; margin-right: 0; }
  .fig figcaption { padding-left: 0; padding-right: 0; }
}
.fig img[style*="3 / 4"], .fig img[style*="2 / 3"] { max-width: 520px; margin: 0 auto; }
.fig:has(img[style*="3 / 4"]) figcaption, .fig:has(img[style*="2 / 3"]) figcaption { max-width: 520px; margin: 0 auto; }

.volhead { text-align: center; margin: 2.5em 0 3em; padding-bottom: 2em; border-bottom: 1px solid var(--line); }
.volhead h2 { margin: .2em 0; font-size: 1.35em; font-weight: 600; }
.volhead p { text-align: justify; font-size: .9em; color: var(--muted); }
.vk { color: var(--gold); letter-spacing: .2em; font-size: .8em; }
.vy { color: var(--muted); font-size: .8em; }

.notes { font-size: .84em; line-height: 1.85; }
.notes h2 { text-align: center; font-size: 1.15em; letter-spacing: .5em; color: var(--red); margin: 0 0 1em; }
.notes h3 { font-size: 1em; margin: 1.6em 0 .4em; color: var(--gold); }
.notes p { text-indent: 0; }
.notes ul { padding-left: 1.2em; margin: 0; }
.notes li { margin-bottom: .5em; }
blockquote.cite { margin: 1em 0 1.5em; padding: 0 0 0 1em; border-left: 2px solid var(--line); color: var(--muted); }

.pager {
  display: flex; justify-content: space-between; gap: 8px; margin: 3em 0 4em; padding-top: 1.2em;
  border-top: 1px solid var(--line); font-size: 15px;
}
.pager a { text-decoration: none; padding: 6px 12px; border: 1px solid var(--line); border-radius: 4px; background: var(--card); }

/* 首页、目录 */
.hero { text-align: center; padding: 3.5em 0 1.5em; }
.hero h1 { font-size: 2.6em; letter-spacing: .25em; margin: 0; font-weight: 600; color: var(--red); }
.hero .sub { color: var(--muted); letter-spacing: .4em; }
.intro p, .parthead p { text-indent: 2em; text-align: justify; margin: 0 0 .8em; font-size: .95em; }
.resume { display: block; margin: 0 0 1.5em; text-align: center; padding: 10px; border: 1px solid var(--gold); border-radius: 6px; text-decoration: none; color: var(--gold); font-size: .9em; }
.resume[hidden] { display: none; }
.parts { display: grid; gap: 14px; margin: 2em 0 4em; }
.pcard { display: block; padding: 1.1em 1.3em; background: var(--card); border: 1px solid var(--line); border-radius: 8px; text-decoration: none; }
.pcard h2 { margin: .1em 0; font-size: 1.4em; font-weight: 600; }
.pcard p { margin: .5em 0 0; font-size: .88em; line-height: 1.8; color: var(--muted); }
.pcard.off { opacity: .6; }
.soon { margin-top: .5em; font-size: .8em; color: var(--gold); }
a.pcard:hover { border-color: var(--gold); }

.parthead { text-align: center; padding: 2.5em 0 1em; }
.parthead h1 { font-size: 2em; margin: .1em 0; font-weight: 600; color: var(--red); letter-spacing: .3em; }
.parthead p { text-align: justify; }
.vol { margin: 2.5em 0; }
.vol header { display: flex; gap: 16px; align-items: flex-start; margin-bottom: .8em; }
.vol header h2 { margin: .1em 0 .3em; font-size: 1.2em; font-weight: 600; }
.vol header p { margin: 0; font-size: .85em; line-height: 1.75; color: var(--muted); }
.vthumb { width: 96px; aspect-ratio: 2 / 3; object-fit: cover; border-radius: 4px; flex: none; }
.toc { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.toc li { border-bottom: 1px solid var(--line); }
.toc a { display: flex; flex-wrap: wrap; gap: 0 .8em; padding: .65em .2em; text-decoration: none; font-size: .92em; line-height: 1.6; }
.toc b { color: var(--gold); font-weight: 400; min-width: 4.5em; }
.toc a:hover span { color: var(--red); }
.toc a.here b::after { content: " · 读到这里"; font-size: .8em; }