/* Typography and article layout from the 2026 Jieyang publicity archive. */
:root {
  --bg-color: #ffffff;
  --text-color: #333333;
  --select-text-bg-color: #b5d6fc;
  --deep-theme-color: #348668;
  --side-bar-bg-color: #d9ede5;
  --table-even-row-color: #fafcfb;
  --table-head-color: #edf5f1;
  --border-color: #dfe7e2;
  --code-block-bg-color: #0f111a;
}

*, ::before, ::after { box-sizing: border-box; }
html {
  font-size: 16px;
  background-color: var(--bg-color);
  color: var(--text-color);
  -webkit-font-smoothing: antialiased;
}
body {
  margin: 0;
  padding: 0 30px;
  font-family: 'Lexend', 'Helvetica', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'WenQuanYi Micro Hei', sans-serif;
  font-weight: normal;
  font-size: 1rem;
  line-height: 1.65;
  letter-spacing: 0;
}
#write {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 50px 32px;
  overflow-wrap: break-word;
}
::selection { background: var(--select-text-bg-color); text-shadow: none; }
a { color: var(--deep-theme-color); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--deep-theme-color); outline-offset: 4px; }

h1, h2, h3, h4, h5, h6 {
  display: block;
  font-weight: bold;
  white-space: pre-wrap;
  break-after: avoid-page;
  break-inside: avoid;
}
h1 { font-size: 2em; line-height: 1.45; margin: .67em 0; letter-spacing: -.02em; }
h2 { font-size: 1.5em; line-height: 1.4; margin: .9em 0; }
h3 { font-size: 1.17em; margin: 1em 0; }
h4 { font-size: 1em; margin: 1.33em 0; }
h5 { font-size: 1em; margin: 1.33em 0; color: #777777; }
h6 { font-size: 1em; margin: 1.33em 0; color: #adadad; }
.invitation h1, .invitation h2 { text-align: center; }
.invitation h1 { max-width: 740px; margin: 28px auto; text-wrap: balance; }
.invitation-year { display: block; margin-bottom: 12px; font-size: .875rem; font-weight: 400; letter-spacing: .08em; color: #777777; }
.invitation .prose { line-height: 1.8; }
.invitation .section { padding-top: 48px; }
.invitation .section > h2 { margin: 0 0 24px; }
.invitation .section > ul > li + li { margin-top: 12px; }
.logo { text-align: center; margin-bottom: 24px; }
.logo img { width: 152px; }
#info > ul { list-style: none; padding-left: 0; }
#info > ul > li { padding: 12px 0; border-bottom: 1px solid var(--border-color); }
#info > ul > li + li { margin-top: 0; }
#info > ul > li:first-child { padding-top: 0; }
#info > ul > li:last-child { border-bottom: 0; }

p, blockquote, ul, ol, dl, table { margin: .5rem 0; }
p { margin: .75rem 0; text-align: left; orphans: 4; }
ul, ol { padding-left: 30px; }
li { margin: 0; }
li p { margin: .5rem 0; }
li > :first-child, blockquote > :first-child { margin-top: 0; }
li > :last-child, blockquote > :last-child { margin-bottom: 0; }
hr { border: 0; border-top: 1px solid #e7e7e7; margin: 2rem 0; }
img { max-width: 100%; height: auto; vertical-align: middle; }
.registration { text-align: center; }
.registration img { width: 208px; margin: 12px 0; }
.registration [data-registration] {
  display: inline-block;
  padding: 10px 20px;
  border: 1px solid var(--deep-theme-color);
  border-radius: 3px;
  font-weight: 600;
}
.registration [data-registration]:hover { background: var(--table-head-color); text-decoration: none; }
.poster { display: block; margin: 2rem auto; }

.md-toc { margin: 20px 0 0; padding-bottom: 20px; font-size: .9rem; }
.md-toc .toc-title { font-weight: bold; }
.md-toc ul { list-style: none; margin: 0; padding-left: 2em; }
#write.handbook-page { max-width: 1200px; }
.handbook {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}
.handbook .md-toc {
  position: sticky;
  top: 32px;
  max-height: calc(100dvh - 64px);
  overflow-y: auto;
  margin: 24px 0 0;
  padding: 0 24px 0 0;
  border-right: 1px solid #e7e7e7;
}
.handbook .md-toc ul { padding-left: 0; margin-top: 12px; }
.handbook .md-toc li + li { margin-top: 0; }
.handbook .md-toc a { display: block; padding: 6px 0; color: #6b6b6b; }
.handbook .md-toc .toc-title { color: var(--text-color); }
.handbook .md-toc a:hover,
.handbook .md-toc a:focus-visible { color: var(--deep-theme-color); }
.handbook-content { min-width: 0; }
.handbook-content > ol > li + li { margin-top: .45rem; }
.handbook-content > h2 { margin: 44px 0 20px; }
.handbook-content > h1 { margin: 12px 0 0; padding-bottom: 24px; border-bottom: 1px solid var(--border-color); }
.handbook-content > h1 + h2 { margin-top: 28px; }
.table-scroll { width: 100%; overflow-x: auto; }
.handbook-content .table-scroll table { display: table; min-width: 520px; }
table { width: 100%; border-collapse: collapse; border-spacing: 0; word-break: initial; }
thead { background: var(--table-head-color); }
tr:nth-child(even) { background: var(--table-even-row-color); }
th, td { padding: 12px 16px; border: 0; border-bottom: 1px solid var(--border-color); }
th { text-align: left; font-weight: 600; }
td { text-align: left; vertical-align: top; }
.handbook-content th:first-child,
.handbook-content td:first-child { white-space: nowrap; }
td code { overflow-wrap: anywhere; }
blockquote {
  padding-left: 2rem;
  border-left: .2rem solid var(--side-bar-bg-color);
  color: #777777;
  font-family: 'Lexend', 'NotoSansSC';
  font-size: .9rem;
}
code, pre { font-family: 'SourceCodePro', Consolas, 'Liberation Mono', 'Microsoft YaHei', monospace; }
code {
  padding: .6px 4px;
  margin: 0 2px;
  border-radius: 2px;
  background: #f1f1f1;
  color: var(--code-block-bg-color);
  font-size: .9rem;
}
pre {
  margin: .75rem 0;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 3px;
  background: #f6f8f7;
  color: #35433c;
  font-size: .9em;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
pre code { padding: 0; margin: 0; background: transparent; color: inherit; font-size: inherit; }
mark { padding: 0 4px; margin: 0 2px; border-radius: 2px; background: #c7ffe8; color: #000000; }
.registration > div + div { margin-top: 8px; }
.footer { margin-top: 48px; }
.footer p { text-align: right; font-size: .8125rem; line-height: 1.8; color: #777777; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 16px; top: 16px; z-index: 2; padding: 8px 12px; background: #ffffff; }
[id] { scroll-margin-top: 1.5rem; }
.eyebrow { display: none; }

@media (max-width: 500px) {
  body { padding: 0; }
  #write { padding: 28px 22px 24px; }
  h1 { font-size: 1.625em; }
  h2 { font-size: 1.25em; }
  .invitation .section { padding-top: 36px; }
  .registration [data-registration] { padding: 10px 12px; font-size: .875rem; }
  .handbook table { display: block; overflow-x: auto; }
}
@media (max-width: 900px) {
  .handbook { display: block; }
  .handbook .md-toc {
    position: static;
    max-height: none;
    margin: 0 0 28px;
    padding: 0 0 20px;
    border-right: 0;
    border-bottom: 1px solid #e7e7e7;
  }
  .handbook .md-toc ul { display: flex; flex-wrap: wrap; gap: 8px 20px; }
  .handbook .md-toc li + li { margin-top: 0; }
}
@media print {
  @page { size: A4; margin: 8mm 0; }
  html, body { font-size: 14px; }
  body { padding: 0; }
  .skip-link { display: none; }
  .handbook { display: block; }
  .handbook .md-toc { display: none; }
  table, pre, img { break-inside: avoid; }
}