/* ==========================================================
   博客 (Essays) · Renaissance × Rococo 视觉系统
   与 Qurious 共用 paper/ink tokens,章节色用深绿 #3d5240
   ========================================================== */

:root {
  /* Surfaces (与 Qurious 一致) */
  --bg-paper:    #ebe2cc;
  --bg-warm:     #e3d8be;
  --bg-light:    #f1ead7;
  --bg-edge:     #d2c4a4;

  /* Inks */
  --bl-ink:      #221b14;
  --bl-ink-2:    #4a3e2c;
  --bl-soft:     #6e5e44;
  --bl-faded:    #8b7a5c;

  /* 博客章节色:深绿 */
  --bl-accent:   #3d5240;
  --bl-accent-2: #5a6e54;
  --bl-accent-s: rgba(61, 82, 64, 0.18);

  /* Metal */
  --bl-gold:     #b58a4d;
  --bl-gold-s:   #d4b783;

  /* Type */
  --bl-cn-serif: 'Noto Serif SC', 'Songti SC', serif;
  --bl-cn-sans:  'Noto Sans SC', system-ui, sans-serif;
  --bl-serif:    'Spectral', 'Noto Serif SC', serif;
  --bl-mono:     'JetBrains Mono', 'SF Mono', monospace;
}

body {
  background: var(--bg-paper);
  color: var(--bl-ink);
  font-family: var(--bl-cn-serif);
  line-height: 1.7;
  background-image:
    radial-gradient(circle at 15% 25%, rgba(139, 122, 92, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 85% 75%, rgba(181, 138, 77, 0.04) 0%, transparent 40%);
}
/* 高优先级保护 + !important:覆盖 PaperMod 的 body / .list / [data-theme="dark"] .list 规则 */
html body, body, body.list, body.dark,
html[data-theme="light"] body, html[data-theme="dark"] body,
html[data-theme="light"] body.list, html[data-theme="dark"] body.list,
html[data-theme="light"] .list, html[data-theme="dark"] .list {
  background: var(--bg-paper) !important;
  background-image:
    radial-gradient(circle at 15% 25%, rgba(139, 122, 92, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 85% 75%, rgba(181, 138, 77, 0.04) 0%, transparent 40%) !important;
  color: var(--bl-ink) !important;
}

/* 主页 hero */
.bl-hero {
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(48px, 7vh, 96px) clamp(20px, 4vw, 56px) clamp(40px, 5vh, 64px);
  position: relative;
}

.bl-hero .bl-chapter-mark {
  font-family: var(--bl-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bl-accent);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.bl-hero .bl-chapter-mark::before {
  content: '';
  width: 32px; height: 1px;
  background: var(--bl-accent);
  display: inline-block;
}
.bl-hero .bl-chapter-mark .count {
  color: var(--bl-faded);
  font-weight: 400;
  margin-left: 2px;
}

.bl-hero h1 {
  font-family: var(--hm-display, 'Fraunces'), var(--bl-serif), serif;
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 500;
  font-style: italic;
  font-variation-settings: 'opsz' 144, 'SOFT' 50;
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--bl-ink);
  margin: 0 0 18px;
  position: relative;
  display: inline-block;
}
/* h1 后的拉丁文注解(若模板里有 <em>) */
.bl-hero h1 em {
  font-family: var(--bl-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--bl-accent);
  font-size: 0.5em;
  letter-spacing: 0.02em;
  margin-left: 16px;
  vertical-align: middle;
  font-variation-settings: 'opsz' 144, 'SOFT' 80;
}
.bl-hero .bl-sub {
  font-family: var(--bl-cn-serif);
  font-size: 17px;
  line-height: 1.75;
  color: var(--bl-ink-2);
  max-width: 580px;
  margin-top: 8px;
  padding-top: 22px;
  border-top: 1px solid rgba(74, 62, 44, 0.18);
}
/* 右上角的页码装饰 */
.bl-hero::after {
  content: attr(data-folio);
  position: absolute;
  top: clamp(48px, 7vh, 96px);
  right: clamp(20px, 4vw, 56px);
  font-family: var(--bl-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--bl-faded);
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.bl-pagination {
  max-width: 1280px;
  margin: 32px auto 64px;
  padding: 0 clamp(20px, 4vw, 56px);
  display: flex;
  gap: 12px;
  align-items: center;
  font-family: var(--bl-mono);
  font-size: 12px;
  color: var(--bl-soft);
}
.bl-pagination a {
  padding: 8px 16px;
  border: 1px solid var(--bl-ink);
  border-radius: 999px;
  color: var(--bl-ink);
  transition: all 0.2s;
}
.bl-pagination a:hover { background: var(--bl-ink); color: var(--bg-paper); }
.bl-pagination .is-current {
  padding: 8px 16px;
  font-weight: 600;
  color: var(--bl-accent);
}

/* 文章列表 */
.bl-list {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px clamp(20px, 4vw, 56px) 80px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 28px;
  align-items: start;
}
@media (max-width: 960px) { .bl-list { grid-template-columns: repeat(6, 1fr); } }
@media (max-width: 600px) { .bl-list { grid-template-columns: 1fr; } }

.bl-card {
  position: relative;
  padding: 28px 24px;
  background: var(--bg-light);
  border: 1px solid rgba(74, 62, 44, 0.12);
  box-shadow: 0 8px 20px -10px rgba(34, 27, 20, 0.18);
  transition: all 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
  cursor: pointer;
}
.bl-card:hover {
  transform: translateY(-3px) rotate(-0.5deg);
  box-shadow: 0 16px 32px -10px rgba(34, 27, 20, 0.24);
}
.bl-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(74, 62, 44, 0.15);
}
.bl-card-date {
  font-family: var(--bl-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--bl-faded);
}
.bl-card-tag {
  font-family: var(--bl-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bl-accent);
  padding: 2px 8px;
  border: 1px solid var(--bl-accent);
  border-radius: 2px;
}
.bl-card-title {
  font-family: var(--bl-cn-serif);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--bl-ink);
  margin-bottom: 12px;
}
.bl-card-excerpt {
  font-family: var(--bl-cn-serif);
  font-size: 14px;
  line-height: 1.7;
  color: var(--bl-ink-2);
}
.bl-card-foot {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(74, 62, 44, 0.1);
  display: flex;
  justify-content: space-between;
  font-family: var(--bl-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bl-faded);
}

/* 不对称尺寸:第一篇最大,其他递减 */
.bl-card.c-1 { grid-column: span 8; transform: rotate(-0.5deg); background: var(--bg-warm); border-color: rgba(61, 82, 64, 0.3); }
.bl-card.c-2 { grid-column: span 4; transform: rotate(0.7deg); margin-top: 32px; }
.bl-card.c-3 { grid-column: span 4; transform: rotate(-0.4deg); margin-top: -16px; }
.bl-card.c-4 { grid-column: span 4; transform: rotate(0.3deg); }
.bl-card.c-5 { grid-column: span 4; transform: rotate(-0.7deg); margin-top: 16px; }
@media (max-width: 960px) {
  .bl-card[class*='c-'] { grid-column: span 6; transform: none; margin-top: 0; }
}
@media (max-width: 600px) {
  .bl-card[class*='c-'] { grid-column: span 1; }
}

/* 单篇博客文章 */
.bl-post {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(40px, 6vh, 80px) clamp(20px, 4vw, 56px) 96px;
}
.bl-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--bl-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--bl-faded);
  margin-bottom: 40px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(74, 62, 44, 0.15);
  text-transform: uppercase;
}
.bl-back::before { content: '←'; font-family: var(--bl-serif); font-size: 16px; }

.bl-post-meta {
  display: flex;
  gap: 16px;
  align-items: center;
  font-family: var(--bl-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--bl-faded);
  text-transform: uppercase;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.bl-post-meta .tag { color: var(--bl-accent); font-weight: 500; }
.bl-post-meta .sep { opacity: 0.5; }

.bl-post-title {
  font-family: var(--bl-cn-serif);
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--bl-ink);
  margin-bottom: 24px;
}
.bl-post-deck {
  font-family: var(--bl-cn-serif);
  font-size: clamp(19px, 1.6vw, 23px);
  line-height: 1.65;
  color: var(--bl-ink-2);
  padding: 24px 0 28px;
  border-top: 1.5px solid var(--bl-ink);
  border-bottom: 1px solid rgba(74, 62, 44, 0.15);
  margin-bottom: 40px;
  font-style: italic;
}
.bl-post-deck em { font-style: normal; color: var(--bl-accent); font-weight: 500; }

.bl-post-body {
  font-family: var(--bl-cn-serif);
  font-size: 18px;
  line-height: 1.95;
  color: var(--bl-ink);
}
.bl-post-body p { margin-bottom: 24px; }
/* Drop cap:仅首段第一个字符。
   对拉丁字符用 Spectral italic;对 CJK 自动 fallback 到系统中文字体(无 italic 但仍居首),
   保持视觉张力但不破坏中文排版。*/
.bl-post-body p:first-of-type::first-letter {
  font-family: var(--bl-serif), var(--bl-cn-serif), serif;
  font-size: 3.6em;
  font-weight: 400;
  font-style: italic;
  float: left;
  line-height: 0.9;
  margin: 6px 12px 0 -4px;
  color: var(--bl-accent);
  font-feature-settings: 'liga' 1, 'kern' 1;
}
/* 如果首段不是文字而是 HTML 元素(标题/代码/列表),drop cap 不应被其下文本继承 */
.bl-post-body h1:first-of-type + p::first-letter,
.bl-post-body h2:first-of-type + p::first-letter,
.bl-post-body h3:first-of-type + p::first-letter,
.bl-post-body h4:first-of-type + p::first-letter,
.bl-post-body blockquote:first-of-type + p::first-letter,
.bl-post-body pre:first-of-type + p::first-letter {
  /* 仍继承默认 drop cap,因为 ::first-letter 只对当前段落生效 */
}
/* 若首段是 blockquote 或 list,不应用 drop cap */
.bl-post-body blockquote:first-of-type,
.bl-post-body ul:first-of-type,
.bl-post-body ol:first-of-type { clear: both; }
.bl-post-body h2 {
  font-family: var(--bl-cn-serif);
  font-size: 26px;
  font-weight: 700;
  margin: 48px 0 16px;
  padding-top: 24px;
  border-top: 1px solid rgba(74, 62, 44, 0.15);
  letter-spacing: -0.005em;
}
.bl-post-body h2::before {
  content: '§';
  font-family: var(--bl-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--bl-accent);
  margin-right: 12px;
  font-size: 0.9em;
}
.bl-post-body blockquote {
  margin: 36px 0;
  padding: 20px 24px;
  border-left: 3px solid var(--bl-accent);
  background: var(--bg-warm);
  font-family: var(--bl-serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1.5;
  color: var(--bl-ink);
}
.bl-post-body em { font-style: italic; color: var(--bl-ink); font-weight: 500; }
.bl-post-body strong { font-weight: 600; }
.bl-post-body a {
  color: var(--bl-accent);
  border-bottom: 1px solid currentColor;
  transition: opacity 0.2s;
}
.bl-post-body a:hover { opacity: 0.7; }

/* H3 - 中章节(无 § 前缀,绿色 › 引出) */
.bl-post-body h3 {
  font-family: var(--bl-cn-serif);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.005em;
  color: var(--bl-ink);
  margin: 40px 0 14px;
  padding-top: 8px;
}
.bl-post-body h3::before {
  content: '›';
  font-family: var(--bl-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--bl-accent);
  margin-right: 10px;
  font-size: 1.1em;
}

/* H4 - 小章节 */
.bl-post-body h4 {
  font-family: var(--bl-cn-serif);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--bl-ink);
  margin: 28px 0 10px;
}
.bl-post-body h4::before {
  content: '— ';
  color: var(--bl-faded);
  font-weight: 400;
}

/* H5 / H6 - 罕见,保持基础样式 */
.bl-post-body h5 {
  font-family: var(--bl-cn-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--bl-ink-2);
  margin: 24px 0 8px;
}
.bl-post-body h6 {
  font-family: var(--bl-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bl-faded);
  margin: 20px 0 6px;
}

/* 列表 */
.bl-post-body ul,
.bl-post-body ol {
  margin: 16px 0 28px;
  padding-left: 28px;
  line-height: 1.95;
}
.bl-post-body ul { list-style: none; }
.bl-post-body ul > li {
  position: relative;
  padding-left: 6px;
  margin-bottom: 6px;
}
.bl-post-body ul > li::before {
  content: '·';
  color: var(--bl-accent);
  font-size: 1.5em;
  font-weight: 700;
  position: absolute;
  left: -18px;
  top: -6px;
  line-height: 1;
}
/* 嵌套 ul */
.bl-post-body ul ul { margin: 8px 0 8px; }
.bl-post-body ul ul > li::before { content: '◦'; font-size: 1.1em; }

.bl-post-body ol {
  list-style: none;
  counter-reset: bl-ol;
  padding-left: 36px;
}
.bl-post-body ol > li {
  position: relative;
  padding-left: 6px;
  margin-bottom: 6px;
  counter-increment: bl-ol;
}
.bl-post-body ol > li::before {
  content: counter(bl-ol);
  font-family: var(--bl-mono);
  font-size: 0.82em;
  font-weight: 600;
  color: var(--bl-accent);
  position: absolute;
  left: -30px;
  top: 2px;
  background: var(--bg-light);
  border: 1px solid var(--bl-accent);
  border-radius: 2px;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 表格 */
.bl-post-body table {
  width: 100%;
  margin: 32px 0;
  border-collapse: collapse;
  font-family: var(--bl-cn-serif);
  font-size: 15px;
  line-height: 1.6;
  border: 1px solid rgba(74, 62, 44, 0.18);
  background: var(--bg-light);
  border-radius: 2px;
  overflow: hidden;
}
.bl-post-body th {
  padding: 14px 18px;
  text-align: left;
  font-family: var(--bl-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bl-accent);
  background: var(--bg-warm);
  border-bottom: 2px solid var(--bl-accent);
}
.bl-post-body td {
  padding: 14px 18px;
  border-bottom: 1px solid rgba(74, 62, 44, 0.1);
  vertical-align: top;
  color: var(--bl-ink-2);
}
.bl-post-body tr:last-child td { border-bottom: none; }
.bl-post-body tr:nth-child(even) td { background: rgba(241, 234, 215, 0.4); }

/* 水平分割线 — Renaissance 风格装饰 */
.bl-post-body hr {
  border: none;
  height: auto;
  margin: 48px auto;
  text-align: center;
  position: relative;
  background: none;
}
.bl-post-body hr::before {
  content: '· · ·';
  font-family: var(--bl-serif);
  font-size: 18px;
  letter-spacing: 1.4em;
  color: var(--bl-faded);
  font-style: italic;
}

/* 代码块 */
.bl-post-body pre {
  position: relative;
  margin: 28px 0;
  padding: 22px 22px 22px;
  background: #1c1814;
  color: #e3d8be;
  border-radius: 4px;
  border: 1px solid #0a0704;
  box-shadow: 0 8px 20px -10px rgba(0, 0, 0, 0.4);
  overflow-x: auto;
  font-family: var(--bl-mono);
  font-size: 14px;
  line-height: 1.75;
}
.bl-post-body pre::before {
  content: 'code';
  position: absolute;
  top: 8px;
  right: 14px;
  font-family: var(--bl-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: rgba(227, 216, 190, 0.35);
  text-transform: uppercase;
}
.bl-post-body pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  color: inherit;
  border-radius: 0;
}
/* 行内 code */
.bl-post-body :not(pre) > code {
  font-family: var(--bl-mono);
  font-size: 0.88em;
  padding: 2px 7px;
  background: var(--bg-warm);
  border: 1px solid rgba(74, 62, 44, 0.14);
  color: var(--bl-ink);
  border-radius: 3px;
  white-space: nowrap;
}

/* 图片 */
.bl-post-body img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 32px auto;
  border-radius: 2px;
  box-shadow: 0 8px 20px -10px rgba(34, 27, 20, 0.2);
}
.bl-post-body figure { margin: 32px 0; }
.bl-post-body figcaption {
  font-family: var(--bl-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-align: center;
  color: var(--bl-faded);
  margin-top: 10px;
  font-style: italic;
}

/* 任务列表 (Markdown task list) */
.bl-post-body ul.contains-task-list { padding-left: 4px; }
.bl-post-body input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--bl-accent);
  border-radius: 2px;
  background: var(--bg-paper);
  margin-right: 8px;
  vertical-align: -3px;
  position: relative;
  cursor: pointer;
}
.bl-post-body input[type="checkbox"]:checked {
  background: var(--bl-accent);
}
.bl-post-body input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: -3px;
  left: 1px;
  color: var(--bg-paper);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
}
.bl-post-body ul.contains-task-list > li::before { display: none; }

/* 键盘按键 kbd */
.bl-post-body kbd {
  display: inline-block;
  padding: 2px 7px;
  font-family: var(--bl-mono);
  font-size: 0.85em;
  background: var(--bg-light);
  border: 1px solid rgba(74, 62, 44, 0.25);
  border-bottom-width: 2px;
  border-radius: 3px;
  color: var(--bl-ink);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

/* 引用块 (扩展样式 — blockquote 已在前面定义基础) */
.bl-post-body blockquote p { margin-bottom: 8px; }
.bl-post-body blockquote p:last-child { margin-bottom: 0; }

/* ==========================================================
   详情页 · 头部 folio / tag chips / 文末印章 / 上下篇导航
   ========================================================== */

/* 头部:fee 章标 + 标题 + deck + 顶部 tags */
.bl-post-head { margin-bottom: 40px; }

.bl-post-folio {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--bl-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bl-accent);
  margin-bottom: 18px;
}
.bl-post-folio::before {
  content: '';
  width: 32px; height: 1px;
  background: var(--bl-accent);
}
.bl-post-folio .folio-mark { font-weight: 600; }
.bl-post-folio .folio-sep { color: var(--bl-faded); opacity: 0.5; }
.bl-post-folio time,
.bl-post-folio span { color: var(--bl-faded); font-weight: 400; }

/* 顶部 tags(标题下方一行) */
.bl-post-tags--head {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid rgba(74, 62, 44, 0.15);
}
.bl-tag-chip {
  display: inline-block;
  padding: 4px 12px;
  font-family: var(--bl-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bl-accent);
  border: 1px solid var(--bl-accent);
  border-radius: 2px;
  text-decoration: none;
  transition: all 0.25s var(--bl-ease-out, cubic-bezier(0.2, 0.8, 0.2, 1));
}
.bl-tag-chip:hover {
  background: var(--bl-accent);
  color: var(--bg-paper);
}

/* 文末:fee 印章 + 签名 + 底部 tags */
.bl-post-foot {
  margin-top: 64px;
  padding-top: 56px;
  border-top: 1.5px solid var(--bl-ink);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* 印章(Wax seal):圆形朱红色 + "铭"字 */
.bl-post-seal {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%,
      rgba(255, 220, 180, 0.15) 0%,
      transparent 40%),
    radial-gradient(circle at 50% 50%,
      #c33a2e 0%,
      #a82a20 60%,
      #8a1f18 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  margin-bottom: 28px;
  box-shadow:
    inset 0 0 0 2px rgba(0, 0, 0, 0.18),
    inset 0 4px 8px rgba(255, 255, 255, 0.1),
    0 6px 14px -4px rgba(136, 31, 24, 0.35),
    0 1px 0 rgba(0, 0, 0, 0.15);
}
.bl-post-seal::before {
  /* 朱砂不规则的边缘效果 */
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: radial-gradient(circle, transparent 60%, rgba(136, 31, 24, 0.25) 100%);
  filter: blur(1px);
}
.bl-post-seal::after {
  /* 边沿的方框印泥残留 */
  content: '';
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(255, 220, 180, 0.25);
  border-radius: 50%;
}
.seal-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.seal-char {
  font-family: var(--bl-cn-serif);
  font-size: 38px;
  font-weight: 700;
  color: #f4e8d0;
  text-shadow:
    0 1px 0 rgba(0, 0, 0, 0.3),
    0 -1px 0 rgba(255, 220, 180, 0.2);
  letter-spacing: 0;
  line-height: 1;
}

.bl-post-end-line {
  font-family: var(--bl-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bl-faded);
  margin: 0 0 4px;
}
.bl-post-sig {
  font-family: var(--bl-serif);
  font-style: italic;
  font-size: 17px;
  color: var(--bl-ink);
  margin: 0 0 32px;
}

/* 底部 tags(带 "Filed under" 标签) */
.bl-post-tags--foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 8px;
}
.bl-tag-label {
  font-family: var(--bl-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bl-faded);
  margin-right: 8px;
}

/* ==========================================================
   评论 · Giscus 用 cream paper card 包装(深度融合 Renaissance 视觉)
   ========================================================== */
.bl-post-comments {
  max-width: 720px;
  margin: 56px auto 0;
  padding: 0 clamp(20px, 4vw, 56px);
}
.bl-post-comments-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 0 24px 18px;
  border-bottom: 1px solid rgba(74, 62, 44, 0.18);
  margin-bottom: 0;
}
.bl-post-comments-head .comments-mark {
  font-family: var(--bl-serif);
  font-size: 26px;
  font-style: italic;
  font-weight: 400;
  color: var(--bl-accent);
  line-height: 1;
}
.bl-post-comments-head .comments-title {
  font-family: var(--bl-cn-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--bl-ink);
  letter-spacing: -0.01em;
}
.bl-post-comments-head .comments-sub {
  font-family: var(--bl-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bl-faded);
  margin-left: auto;
}
.bl-post-comments-body {
  background: var(--bg-light);
  border: 1px solid rgba(74, 62, 44, 0.18);
  border-top: none;
  border-radius: 0 0 4px 4px;
  padding: 24px;
  box-shadow: 0 8px 20px -10px rgba(34, 27, 20, 0.12);
}
/* Giscus 容器内边距调整(原 partial 留 .giscus-container) */
.bl-post-comments-body .giscus-container { margin: 0; padding: 0; }
.bl-post-comments-body .giscus,
.bl-post-comments-body .giscus-frame {
  width: 100%;
}

/* 上一篇 / 下一篇 */
.bl-post-nav {
  max-width: 720px;
  margin: 64px auto 96px;
  padding: 0 clamp(20px, 4vw, 56px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.bl-post-nav-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 24px;
  border: 1px solid rgba(74, 62, 44, 0.2);
  background: var(--bg-light);
  text-decoration: none;
  color: var(--bl-ink);
  transition: all 0.3s var(--bl-ease-out, cubic-bezier(0.2, 0.8, 0.2, 1));
  position: relative;
}
.bl-post-nav-link:hover {
  background: var(--bg-warm);
  border-color: var(--bl-ink);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px -10px rgba(34, 27, 20, 0.2);
}
.bl-post-nav-link.next {
  text-align: right;
  align-items: flex-end;
}
.bl-post-nav-link .dir {
  font-family: var(--bl-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bl-accent);
}
.bl-post-nav-link .ttl {
  font-family: var(--bl-cn-serif);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--bl-ink);
  letter-spacing: -0.005em;
}

/* ==========================================================
   详情页 · 移动端
   ========================================================== */
@media (max-width: 600px) {
  .bl-post {
    padding: clamp(28px, 4vh, 48px) 20px 64px;
  }
  .bl-post-title {
    font-size: clamp(28px, 8vw, 40px);
  }
  .bl-post-foot {
    margin-top: 48px;
    padding-top: 40px;
  }
  .bl-post-seal {
    width: 68px; height: 68px;
  }
  .seal-char { font-size: 30px; }
  .bl-post-nav {
    grid-template-columns: 1fr;
    margin: 40px auto 64px;
  }
  .bl-post-nav-link.next {
    text-align: left;
    align-items: flex-start;
  }
}