/* harness-paper 中文站样式 */
* { box-sizing: border-box; }
:root {
  --ink: #1a2233; --muted: #5b6577; --line: #e4e8ef; --accent: #b45309;
  --bg: #fbfaf8; --card: #ffffff; --code-bg: #f4f2ec;
}
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16.5px; line-height: 1.85;
}
.layout { display: flex; max-width: 1280px; margin: 0 auto; }
.sidebar {
  width: 250px; flex: none; padding: 28px 18px 60px 26px;
  border-right: 1px solid var(--line); position: sticky; top: 0;
  height: 100vh; overflow-y: auto; font-size: 14px;
}
.sidebar .brand { display: block; font-weight: 700; font-size: 16px; color: var(--ink); text-decoration: none; line-height: 1.4; margin-bottom: 4px; }
.sidebar .brand-en { display: block; font-size: 11.5px; color: var(--muted); font-weight: 400; margin-bottom: 18px; }
.sidebar nav a { display: block; padding: 5px 10px; margin: 1px 0; border-radius: 7px; color: var(--muted); text-decoration: none; line-height: 1.5; }
.sidebar nav a:hover { background: #efece5; color: var(--ink); }
.sidebar nav a.active { background: #f3e8d8; color: var(--accent); font-weight: 600; }
.content { flex: 1; min-width: 0; padding: 36px 44px 80px; }
.content article { max-width: 47rem; margin: 0 auto; }
.topbar { display: none; padding: 14px 20px; border-bottom: 1px solid var(--line); background: var(--card); }
.topbar a { color: var(--ink); text-decoration: none; font-weight: 600; font-size: 15px; }

h2 { font-size: 1.65em; line-height: 1.35; margin: 2.2em 0 1em; padding-top: .4em; border-top: 2px solid #e8e2d5; }
article > section:first-child > h2:first-child, article > h2:first-child { margin-top: .2em; border-top: none; padding-top: 0; }
h3 { font-size: 1.28em; margin: 1.8em 0 .7em; }
h4 { font-size: 1.1em; margin: 1.6em 0 .6em; }
h5 { font-size: 1.02em; margin: 1.5em 0 .5em; color: #7c5214; }
h2 span, h3 span, h4 span, h5 span { color: var(--accent); margin-right: .35em; font-variant-numeric: tabular-nums; }
p { margin: .85em 0; }
a { color: #9a5b0b; }
ul, ol { padding-left: 1.6em; }
li { margin: .45em 0; }
blockquote { margin: 1.2em 0; padding: .8em 1.2em; background: #f5f1e8; border-left: 4px solid #d9a441; border-radius: 0 8px 8px 0; }
blockquote p { margin: .3em 0; }
code { font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace; font-size: .88em; background: var(--code-bg); border-radius: 5px; padding: .12em .38em; }
sup { line-height: 0; }
math { font-size: 1.02em; }
figure { margin: 1.6em 0; padding: 1em 1em .6em; background: var(--card); border: 1px solid var(--line); border-radius: 10px; overflow-x: auto; }
figcaption { font-size: .88em; color: var(--muted); margin-top: .7em; line-height: 1.65; }
figcaption span span:first-child { color: var(--accent); font-weight: 600; }
table { border-collapse: collapse; width: 100%; font-size: .86em; line-height: 1.55; margin: .4em 0; }
td { border: 1px solid #dfe3ea; padding: .5em .7em; vertical-align: top; }
table tr:first-child td { background: #f5f1e8; font-weight: 600; white-space: nowrap; }
table td > span { white-space: normal; }
figure[id^="LST"] { background: #2b2f3a; border: none; padding: 1em 0 .8em; }
figure[id^="LST"] div > div { padding: .06em 1.2em; }
figure[id^="LST"] span { color: #d6dbe6; font-family: "SF Mono", ui-monospace, Menlo, monospace; font-size: .8em; line-height: 1.6; white-space: pre-wrap; word-break: break-all; }
figure[id^="LST"] div > div > span:first-child { display: inline-block; width: 2.4em; color: #6b7280; text-align: right; margin-right: 1em; user-select: none; }
figure[id^="LST"] figcaption { color: #9aa3b2; padding: .4em 1.2em 0; }
figure[id^="LST"] a { display: none; }
figure[id^="LST"] figcaption span span:first-child, figure[id^="LST"] figcaption span:first-child { color: #e5b567; }
article li > span:first-child { display: none; }
article .fn-note { display: block; margin: .7em 0; padding: .55em 1em; background: #f5f1e8; border-radius: 8px; font-size: .86em; color: var(--muted); line-height: 1.7; }
article .fn-note sup { display: none; }
article .fn-note > span > span > span:first-child { display: none; }
.pager { max-width: 47rem; margin: 3em auto 0; display: flex; justify-content: space-between; gap: 1em; font-size: 14.5px; }
.pager a { flex: 1; padding: .8em 1em; background: var(--card); border: 1px solid var(--line); border-radius: 10px; text-decoration: none; color: var(--ink); }
.pager a:hover { border-color: var(--accent); }
.pager .next { text-align: right; }
.pager small { display: block; color: var(--muted); font-size: 12px; }
footer.site { max-width: 47rem; margin: 3em auto 0; padding-top: 1.2em; border-top: 1px solid var(--line); color: var(--muted); font-size: 12.5px; }

/* 首页 */
.hero { max-width: 47rem; margin: 0 auto 1.5em; }
.hero .kicker { color: var(--accent); font-weight: 600; font-size: 13.5px; letter-spacing: .04em; }
.hero h1 { font-size: 1.9em; line-height: 1.4; margin: .3em 0 .2em; }
.hero .en { color: var(--muted); font-size: 1.02em; line-height: 1.55; font-style: italic; margin-bottom: 1em; }
.hero .meta { font-size: 14px; color: var(--muted); }
.hero .meta a { margin-right: .8em; }
.authors { max-width: 47rem; margin: 0 auto 1.6em; padding: 1em 1.3em; background: var(--card); border: 1px solid var(--line); border-radius: 10px; font-size: 14.5px; color: var(--muted); }
.authors b { color: var(--ink); }
.toc { max-width: 47rem; margin: 0 auto; }
.toc h2 { border: none; padding: 0; margin: 1.2em 0 .6em; font-size: 1.3em; }
.toc ol { list-style: none; padding: 0; margin: 0; }
.toc li { margin: 0; }
.toc a { display: flex; gap: .8em; padding: .55em .9em; margin: 3px 0; background: var(--card); border: 1px solid var(--line); border-radius: 9px; text-decoration: none; color: var(--ink); align-items: baseline; }
.toc a:hover { border-color: var(--accent); }
.toc .no { color: var(--accent); font-weight: 600; flex: none; min-width: 2em; font-size: .9em; }
.note { max-width: 47rem; margin: 2.2em auto 0; padding: 1em 1.3em; background: #f5f1e8; border-radius: 10px; font-size: 13.5px; color: #6b5a3e; line-height: 1.8; }
.note b { color: #4f3f22; }

@media (max-width: 900px) {
  .sidebar { display: none; }
  .topbar { display: block; }
  .content { padding: 24px 18px 60px; }
  body { font-size: 15.5px; }
}