/* fafa — 宣纸米白 · 哑光金 · 中文信札风 */

:root {
  --paper: #f7f3ec;
  --ink: #2e2a24;
  --ink-soft: #6b6257;
  --gold: #a98b5f;
  --gold-deep: #8f7348;
  --hairline: #ddd3c3;
  --card: #fffdf8;
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", "SimSun", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { font-size: 62.5%; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.7rem;
  line-height: 1.9;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 700px; margin: 0 auto; padding: 0 24px; }

a { color: var(--ink); text-decoration: none; }

/* ── 头部 ── */
.site-header {
  padding: 48px 0 0;
}
.site-header .wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.site-title {
  font-family: var(--serif);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.site-nav ul {
  display: flex;
  gap: 24px;
  list-style: none;
}
.site-nav a {
  font-size: 1.4rem;
  color: var(--ink-soft);
  transition: color 0.2s;
}
.site-nav a:hover { color: var(--gold-deep); }
.site-nav li.nav-current a { color: var(--gold-deep); }

/* ── 首页引言 ── */
.intro {
  text-align: center;
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--hairline);
}
.site-desc {
  font-family: var(--serif);
  font-size: 1.9rem;
  line-height: 2;
  color: var(--ink-soft);
  max-width: 30em;
  margin: 0 auto 28px;
}
.subscribe-btn {
  display: inline-block;
  font-size: 1.4rem;
  letter-spacing: 0.15em;
  color: var(--gold-deep);
  border: 1px solid var(--gold);
  border-radius: 999px;
  padding: 10px 32px;
  transition: all 0.25s;
  cursor: pointer;
}
.subscribe-btn:hover {
  background: var(--gold);
  color: var(--card);
}

/* ── 杂志式文章列表 ── */
.post-list { padding: 24px 0 80px; }
.post-item {
  padding: 36px 0;
  border-bottom: 1px solid var(--hairline);
}
.post-item time {
  font-size: 1.3rem;
  color: var(--gold);
  letter-spacing: 0.1em;
}
.post-item h2 {
  font-family: var(--serif);
  font-size: 2.3rem;
  font-weight: 700;
  line-height: 1.5;
  margin: 8px 0 10px;
}
.post-item h2 a { transition: color 0.2s; }
.post-item h2 a:hover { color: var(--gold-deep); }
.post-item .excerpt {
  font-size: 1.5rem;
  color: var(--ink-soft);
  line-height: 1.85;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── 分页 ── */
.pagination {
  display: flex;
  justify-content: center;
  gap: 24px;
  padding: 40px 0;
  font-size: 1.4rem;
  color: var(--ink-soft);
}
.pagination a { color: var(--gold-deep); }

/* ── 文章页 ── */
.post-full { padding: 56px 0 80px; }
.post-header { text-align: center; margin-bottom: 48px; }
.post-header time {
  font-size: 1.3rem;
  color: var(--gold);
  letter-spacing: 0.1em;
}
.post-header h1 {
  font-family: var(--serif);
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1.45;
  margin-top: 12px;
}
.post-feature-image { margin: 32px 0 0; }
.post-feature-image img { width: 100%; border-radius: 4px; }

.post-content { font-size: 1.7rem; }
.post-content p { margin-bottom: 1.6em; }
.post-content h2, .post-content h3 {
  font-family: var(--serif);
  line-height: 1.5;
  margin: 2em 0 0.8em;
}
.post-content h2 { font-size: 2.4rem; }
.post-content h3 { font-size: 2rem; }
.post-content a {
  color: var(--gold-deep);
  border-bottom: 1px solid var(--hairline);
}
.post-content blockquote {
  border-left: 3px solid var(--gold);
  padding-left: 1.2em;
  margin: 2em 0;
  color: var(--ink-soft);
  font-family: var(--serif);
}
.post-content ul, .post-content ol { padding-left: 1.5em; margin-bottom: 1.6em; }
.post-content li { margin-bottom: 0.5em; }
.post-content img { max-width: 100%; height: auto; border-radius: 4px; }
.post-content hr { border: none; border-top: 1px solid var(--hairline); margin: 2.5em 0; }
.post-content code {
  font-size: 0.9em;
  background: #efe9dd;
  padding: 0.15em 0.4em;
  border-radius: 3px;
}
.post-content pre {
  background: #2e2a24;
  color: #f0ead9;
  padding: 20px;
  border-radius: 6px;
  overflow-x: auto;
  font-size: 1.4rem;
  line-height: 1.7;
  margin-bottom: 1.6em;
}
.post-content pre code { background: none; padding: 0; }
.post-content figure { margin: 2em 0; }
.post-content figcaption {
  text-align: center;
  font-size: 1.3rem;
  color: var(--ink-soft);
  margin-top: 8px;
}
.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 2em 0;
  font-size: 1.5rem;
}
.post-content th, .post-content td {
  border: 1px solid var(--hairline);
  padding: 10px 14px;
  text-align: left;
}
.post-content th { background: #efe9dd; font-family: var(--serif); }

/* Ghost 卡片 */
.kg-card { margin: 2em 0; }
.kg-bookmark-card {
  border: 1px solid var(--hairline);
  border-radius: 6px;
  overflow: hidden;
  background: var(--card);
}
.kg-bookmark-container { display: flex; }
.kg-bookmark-content { padding: 16px 20px; }
.kg-bookmark-title { font-weight: 600; font-size: 1.5rem; }
.kg-bookmark-description {
  font-size: 1.35rem;
  color: var(--ink-soft);
  margin-top: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.kg-bookmark-metadata { font-size: 1.25rem; color: var(--gold); margin-top: 10px; }
.kg-bookmark-thumbnail img { height: 100%; object-fit: cover; }
.kg-embed-card iframe { max-width: 100%; }
.kg-callout-card {
  background: var(--card);
  border-left: 3px solid var(--gold);
  padding: 16px 20px;
  border-radius: 4px;
}
.kg-button-card .kg-btn {
  display: inline-block;
  background: var(--gold);
  color: var(--card);
  padding: 10px 28px;
  border-radius: 999px;
  font-size: 1.4rem;
}

.post-footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
  font-size: 1.4rem;
}
.post-footer a { color: var(--gold-deep); }

/* ── 页脚 ── */
.site-footer {
  border-top: 1px solid var(--hairline);
  padding: 28px 0 40px;
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 1.3rem;
  color: var(--ink-soft);
}
.site-footer a { color: var(--gold-deep); }

/* ── 错误页 ── */
.error-page { text-align: center; padding: 120px 0; }
.error-page h1 { font-family: var(--serif); font-size: 4.8rem; color: var(--gold); }
.error-page p { color: var(--ink-soft); margin: 16px 0 32px; }
.error-page a { color: var(--gold-deep); }

/* ── 窄屏 ── */
@media (max-width: 640px) {
  .site-header { padding-top: 32px; }
  .site-header .wrap { flex-direction: column; align-items: flex-start; gap: 10px; }
  .intro { padding: 48px 0 40px; }
  .post-header h1 { font-size: 2.6rem; }
  .post-item h2 { font-size: 2rem; }
}