/* ============================================================
   「墨卷 · Paper」模板覆盖层（博客模块的墨卷模板专用）
   纸面刊物：米纸底色 + 报刊留白 + 宋体正文 + 水墨朱砂
   仅对 body.paper（墨卷模板的博客页）生效，其余页面保持默认外观。
   ============================================================ */

:root {
  --paper-bg: #f4efe4;
  --paper-bg-deep: #ece4d2;
  --paper-card: #fbf8f1;
  --paper-ink: #2d2a24;
  --paper-ink-soft: #5c564a;
  --paper-muted: #948a76;
  --paper-line: #ddd2ba;
  --paper-line-strong: #3d3629;
  --paper-cinnabar: #b4552d;
  --paper-verdigris: #2f6f6a;
  --paper-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", STSong, SimSun, "Times New Roman", Georgia, serif;
}

/* ---------- 全局纸张底色 ---------- */
body.paper {
  background:
    radial-gradient(900px 400px at 85% -8%, rgba(180, 85, 45, .05), transparent 60%),
    var(--paper-bg);
}

/* ---------- 顶部报头细条 ---------- */
.paper-tape {
  background: var(--paper-ink);
  color: var(--paper-bg);
  font-size: 11.5px;
  letter-spacing: 2px;
}
.paper-tape-inner {
  display: flex; justify-content: space-between; gap: 16px;
  padding-top: 5px; padding-bottom: 5px;
  font-family: var(--paper-serif);
}

/* ---------- 报头导航（仅博客页 body.paper 生效） ---------- */
body.paper .site-header {
  /* 默认主题固定 height:64px，墨卷头部含报头细条，需改为自适应高度 */
  height: auto;
  background: rgba(251, 248, 241, .82);
  border-bottom: 3px double var(--paper-line-strong);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
}
body.paper .site-header .header-inner {
  /* 保持导航行至少 64px，但不再被固定高度裁切 */
  height: auto;
  min-height: 64px;
}
body.paper .site-header .brand-mark {
  background: var(--paper-cinnabar);
  border-radius: 4px;
  font-family: var(--paper-serif);
}
body.paper .site-header .brand-name { font-family: var(--paper-serif); }
body.paper .site-header .main-nav a { color: var(--paper-ink); }
body.paper .site-header .main-nav a:hover,
body.paper .site-header .main-nav a.active { color: var(--paper-cinnabar); border-bottom-color: var(--paper-cinnabar); }
body.paper .site-header .nav-dd-menu { background: var(--paper-card); border: 1px solid var(--paper-line); }

/* ---------- 首页 · 报纸头版 ---------- */
.paper-masthead {
  text-align: center;
  padding: 8px 0 26px;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--paper-line);
  position: relative;
}
.paper-masthead::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -3px;
  border-bottom: 1px solid var(--paper-line);
}
.paper-masthead-rule {
  display: flex; justify-content: space-between; gap: 12px;
  font-size: 12px; letter-spacing: 2px; color: var(--paper-muted);
  font-family: var(--paper-serif);
  border-top: 2px solid var(--paper-line-strong);
  border-bottom: 1px solid var(--paper-line);
  padding: 5px 2px; margin-bottom: 22px;
}
.paper-masthead-title {
  margin: 0 0 12px;
  font-family: var(--paper-serif);
  font-size: clamp(30px, 4.6vw, 46px);
  line-height: 1.35;
  letter-spacing: 2px;
  color: var(--paper-ink);
  font-weight: 700;
}
.paper-masthead-sub {
  margin: 0 auto; max-width: 560px;
  color: var(--paper-ink-soft);
  font-size: 14.5px; line-height: 1.9;
  font-family: var(--paper-serif);
}

/* ---------- 首页 · 头条 ---------- */
.paper-feature {
  position: relative;
  background: var(--paper-card);
  border: 1px solid var(--paper-line);
  border-radius: 4px;
  padding: 30px 34px 26px;
  margin-bottom: 26px;
  animation: rise .5s ease both;
}
.paper-feature-flag {
  display: inline-block;
  background: var(--paper-cinnabar);
  color: var(--paper-card);
  font-size: 12px; letter-spacing: 3px;
  padding: 3px 12px; margin-bottom: 16px;
  font-family: var(--paper-serif);
}
.paper-feature-title {
  margin: 0 0 14px;
  font-family: var(--paper-serif);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.5;
}
.paper-feature-title a { color: var(--paper-ink); }
.paper-feature-title a:hover { color: var(--paper-cinnabar); }
.paper-feature-summary {
  margin: 0 0 18px;
  color: var(--paper-ink-soft);
  font-family: var(--paper-serif);
  font-size: 15px; line-height: 2;
}
.paper-feature-meta {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  font-size: 13px; color: var(--paper-muted);
  border-top: 1px dashed var(--paper-line);
  padding-top: 14px;
}
.paper-feature-cat { color: var(--paper-verdigris); }
.paper-feature-read { margin-left: auto; color: var(--paper-cinnabar); letter-spacing: 1px; }

/* ---------- 首页 / 列表 · 目录行 ---------- */
.paper-item {
  display: flex; align-items: flex-start; gap: 18px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--paper-line);
  animation: rise .5s ease both;
}
.paper-item-num {
  flex-shrink: 0;
  font-family: var(--paper-serif);
  font-size: 26px; line-height: 1;
  color: var(--paper-cinnabar);
  min-width: 34px; text-align: right;
}
.paper-item-body { flex: 1; min-width: 0; }
.paper-item-title {
  margin: 0 0 6px;
  font-family: var(--paper-serif);
  font-size: 19px; line-height: 1.55;
}
.paper-item-title a { color: var(--paper-ink); }
.paper-item-title a:hover { color: var(--paper-cinnabar); }
.paper-item-summary {
  margin: 0 0 8px;
  color: var(--paper-ink-soft);
  font-size: 13.5px; line-height: 1.85;
  font-family: var(--paper-serif);
}
.paper-item-meta {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  font-size: 12.5px; color: var(--paper-muted);
}
.paper-item-meta a { color: var(--paper-verdigris); }
.paper-item-arrow {
  flex-shrink: 0; align-self: center;
  color: var(--paper-line); font-size: 20px;
}

/* ---------- 文章页 · 铅印阅读 ---------- */
.paper-article {
  background: var(--paper-card);
  border: 1px solid var(--paper-line);
  border-radius: 4px;
  padding: 40px 44px 34px;
  margin-bottom: 26px;
  animation: rise .5s ease both;
}
.paper-article-kicker {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  font-size: 13px; letter-spacing: 2px;
  color: var(--paper-verdigris);
  border-bottom: 1px solid var(--paper-line);
  padding-bottom: 12px; margin-bottom: 20px;
  font-family: var(--paper-serif);
}
.paper-article-kicker a { color: var(--paper-cinnabar); }
.paper-article-title {
  margin: 0 0 14px;
  font-family: var(--paper-serif);
  font-size: clamp(26px, 3.6vw, 36px);
  line-height: 1.5;
  letter-spacing: 1px;
  color: var(--paper-ink);
}
.paper-article-meta {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  font-size: 12.5px; color: var(--paper-muted);
  margin-bottom: 26px;
}
.paper-article-author { color: var(--paper-ink-soft); }
.paper-tag {
  color: var(--paper-verdigris) !important;
  background: transparent;
  border: 1px solid var(--paper-line);
  border-radius: 99px;
  padding: 1px 10px;
  font-size: 12px;
}
.paper-tag:hover { border-color: var(--paper-verdigris); }

.paper-article-body {
  font-family: var(--paper-serif);
  color: var(--paper-ink);
  font-size: 16.5px; line-height: 2.1;
}
.paper-article-body p { margin: 0 0 1.4em; }
.paper-article-body h2 {
  font-size: 24px; margin: 2em 0 .8em; line-height: 1.5;
  padding-left: 12px;
  border-left: 4px solid var(--paper-cinnabar);
}
.paper-article-body h3 { font-size: 19px; margin: 1.8em 0 .7em; }
.paper-article-body a { color: var(--paper-cinnabar); border-bottom: 1px dashed var(--paper-line-strong); }
.paper-article-body blockquote {
  margin: 1.6em 0; padding: 14px 22px;
  background: var(--paper-bg);
  border-left: 3px solid var(--paper-verdigris);
  color: var(--paper-ink-soft);
  font-style: normal;
}
.paper-article-body code {
  background: var(--paper-bg-deep);
  color: var(--paper-cinnabar);
  padding: 1px 7px; border-radius: 3px;
  font-size: .92em;
}
.paper-article-body pre {
  background: #2d2a24; color: #e8dfc8;
  padding: 18px 20px; border-radius: 4px;
  overflow-x: auto;
}
.paper-article-body pre code { background: none; color: inherit; padding: 0; }
.paper-article-body img { border-radius: 4px; }
.paper-article-body ul, .paper-article-body ol { padding-left: 1.4em; margin: 0 0 1.4em; }
.paper-article-end {
  text-align: center;
  color: var(--paper-muted);
  font-family: var(--paper-serif);
  letter-spacing: 3px;
  font-size: 13px;
  border-top: 1px solid var(--paper-line);
  margin-top: 30px; padding-top: 18px;
}

/* ---------- 评论 ---------- */
.paper-comments .paper-comments-title {
  font-family: var(--paper-serif);
  color: var(--paper-ink);
  border-bottom: 1px solid var(--paper-line);
  padding-bottom: 10px;
}

/* ---------- 侧边栏 · 刊物栏目表（仅博客页） ---------- */
body.paper .widget h3 {
  font-family: var(--paper-serif);
  color: var(--paper-ink);
  letter-spacing: 2px;
  border-bottom: 2px solid var(--paper-line-strong);
  padding-bottom: 8px;
}
body.paper .widget-about { border-bottom: 1px solid var(--paper-line); }
body.paper .widget-intro { color: var(--paper-ink-soft); font-family: var(--paper-serif); }
body.paper .widget a { color: var(--paper-ink-soft); }
body.paper .widget a:hover { color: var(--paper-cinnabar); }

/* ---------- 页脚（仅博客页） ---------- */
body.paper .site-footer {
  background: var(--paper-ink);
  border-top: none;
}
body.paper .site-footer .footer-copy,
body.paper .site-footer .footer-ver { color: #c9bea6; }
body.paper .site-footer .footer-links a { color: #d8cfba; }
body.paper .site-footer .footer-links a:hover { color: var(--paper-cinnabar); }

/* ---------- 通用元素水墨化 ---------- */
.paper .empty h3 { font-family: var(--paper-serif); }
.page-heading.paper-list-heading .ph-title { font-family: var(--paper-serif); }
.page-heading.paper-list-heading .ph-kicker { color: var(--paper-cinnabar); letter-spacing: 2px; }

/* ---------- 移动端适配 ---------- */
@media (max-width: 900px) {
  /* 默认主题把移动端导航下拉写死 top:64px，墨卷头部含报头细条更高，改为贴住头部底部 */
  body.paper .main-nav { top: 100%; }
}
@media (max-width: 620px) {
  /* 窄屏报头细条：只保留左栏刊名，标语不再挤占 */
  body.paper .paper-tape-inner { justify-content: center; }
  body.paper .paper-tape-inner span:last-child { display: none; }
}