@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+TC:wght@400;500;700&display=swap');

:root {
  --ink: #2a2f36;
  --heading: #324a5f;
  --accent: #4a6b8a;
  --line: #e2e6ea;
  --bg: #f7f6f3;
  --card: #ffffff;
  --muted: #6b7480;
}

* { box-sizing: border-box; }

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

body {
  font-family: "Noto Serif TC", "Songti TC", "宋體", Georgia, "Times New Roman", serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.85;
  margin: 0;
  padding: 0 20px 80px;
  font-size: 17px;
  letter-spacing: 0.01em;
}

#title-block-header,
main,
.wrap {
  max-width: 760px;
  margin: 0 auto;
}

#title-block-header {
  padding: 28px 0 8px;
  border-bottom: 2px solid var(--line);
  margin-bottom: 28px;
}

h1.title {
  font-size: 1.7rem;
  color: var(--heading);
  font-weight: 700;
  line-height: 1.5;
  margin: 8px 0 4px;
}

h1, h2, h3, h4 {
  color: var(--heading);
  font-weight: 700;
  line-height: 1.5;
  margin-top: 1.8em;
  margin-bottom: 0.6em;
}

h2 {
  font-size: 1.32rem;
  border-left: 5px solid var(--accent);
  padding-left: 12px;
}

h3 { font-size: 1.12rem; }
h4 { font-size: 1rem; color: var(--accent); }

p { margin: 0.9em 0; }

a { color: var(--accent); text-decoration: none; border-bottom: 1px solid rgba(74,107,138,0.35); }
a:hover { border-bottom-color: var(--accent); }

ul, ol { padding-left: 1.5em; }
li { margin: 0.35em 0; }

strong { color: #1f2a33; }

hr { border: none; border-top: 1px solid var(--line); margin: 2em 0; }

blockquote {
  margin: 1.4em 0;
  padding: 0.6em 1.1em;
  background: #eef2f6;
  border-left: 4px solid var(--accent);
  color: #3c4a57;
  border-radius: 0 6px 6px 0;
}

code {
  font-family: "SF Mono", Menlo, Consolas, monospace;
  background: #eef0f2;
  padding: 0.12em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}

pre {
  background: #f2f3f5;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
  overflow-x: auto;
  line-height: 1.6;
}
pre code { background: none; padding: 0; }

table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.4em 0;
  font-size: 0.95em;
}
th, td {
  border: 1px solid var(--line);
  padding: 8px 12px;
  text-align: left;
}
th { background: #eef2f6; color: var(--heading); font-weight: 700; }
tr:nth-child(even) td { background: #fafbfc; }

/* nav + disclaimer */
.topnav {
  max-width: 760px;
  margin: 18px auto 0;
  font-size: 0.92rem;
}
.topnav a { border: none; color: var(--muted); }
.topnav a:hover { color: var(--accent); }

.disclaimer {
  max-width: 760px;
  margin: 16px auto 8px;
  background: #fff8e6;
  border: 1px solid #f0d97a;
  border-left: 4px solid #e0aa2a;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: #6b5320;
}
.disclaimer strong { color: #8a5a00; }

/* index page */
.hero {
  max-width: 760px;
  margin: 8px auto 0;
  padding: 24px 0 8px;
}
.hero h1 {
  font-size: 1.85rem;
  margin: 0.2em 0;
  border: none;
  padding: 0;
}
.hero .sub { color: var(--muted); font-size: 1rem; margin-top: 0.2em; }

.doc-list { max-width: 760px; margin: 20px auto 0; }
.doc-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 20px;
  margin: 14px 0;
  transition: box-shadow .18s ease, transform .18s ease, border-color .18s ease;
}
.doc-card:hover {
  box-shadow: 0 6px 22px rgba(50,74,95,0.10);
  transform: translateY(-2px);
  border-color: #c8d3dd;
}
.doc-card .dc-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--heading);
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.doc-card .dc-emoji { font-size: 1.4rem; }
.doc-card .dc-desc { color: #4a555f; margin: 8px 0 10px; font-size: 0.97rem; }
.doc-card .dc-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 0.86rem;
}
.doc-card .dc-read { color: var(--accent); font-weight: 500; }

.sitefoot {
  max-width: 760px;
  margin: 40px auto 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.7;
}

@media (max-width: 600px) {
  body { font-size: 16px; }
  h1.title, .hero h1 { font-size: 1.45rem; }
}

@media print {
  body { background: #fff; color: #000; font-size: 12pt; padding: 0; }
  .topnav, .doc-card:hover { box-shadow: none; }
  .disclaimer { background: #fff; border: 1px solid #999; color: #000; }
  a { color: #000; border: none; }
  h1, h2, h3, h4 { color: #000; }
  h2 { border-left: 3px solid #000; }
  pre, code { background: #f2f2f2; }
}