/* ============================================================
   凉夜集 · 纸墨文人风
   纸 #f7f3ea / 墨 #2f2a24 / 朱砂 #b3432b / 黛青 #6b5d4f
   ============================================================ */

:root {
  --paper: #f7f3ea;
  --paper-deep: #efe8d9;
  --card: #fbf8f1;
  --ink: #2f2a24;
  --ink-soft: #55493c;
  --muted: #8a7d6c;
  --cinnabar: #b3432b;
  --cinnabar-deep: #93341f;
  --hairline: #e0d7c4;
  --hairline-strong: #cfc3aa;
  --focus: #b3432b;
  --serif: "Noto Serif SC", "EB Garamond", "Songti SC", "SimSun", serif;
  --wrap: 1080px;
  --dur: 0.25s;
  --ease: cubic-bezier(0.22, 0.8, 0.3, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--serif);
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
/* 纸张肌理：细密的纤维噪点 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0.72 0 0 0 0 0.66 0 0 0 0 0.55 0 0 0 0.045 0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: var(--cinnabar); text-decoration: none; transition: color var(--dur) var(--ease); }
a:hover { color: var(--cinnabar-deep); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; border-radius: 2px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--ink); color: var(--paper); padding: 8px 16px;
}
.skip-link:focus { left: 8px; top: 8px; }

/* ---------- 顶栏 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; flex-wrap: wrap; }

.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand-seal {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; flex: 0 0 auto;
  background: var(--cinnabar); color: #f9f2e8;
  font-size: 22px; font-weight: 900; line-height: 1;
  border-radius: 6px;
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.22), 1px 2px 0 rgba(47, 42, 36, 0.18);
  transform: rotate(-2deg);
}
.brand-seal.small { width: 30px; height: 30px; font-size: 16px; border-radius: 5px; }
.brand-seal.big { width: 64px; height: 64px; font-size: 34px; border-radius: 9px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-size: 20px; font-weight: 700; letter-spacing: 0.12em; }
.brand-text small { font-size: 12px; color: var(--muted); letter-spacing: 0.28em; }

.site-nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.nav-link {
  color: var(--ink-soft); padding: 8px 13px; border-radius: 6px;
  font-size: 15.5px; position: relative; cursor: pointer;
}
.nav-link::after {
  content: ""; position: absolute; left: 13px; right: 13px; bottom: 4px;
  height: 2px; background: var(--cinnabar);
  transform: scaleX(0); transform-origin: center;
  transition: transform var(--dur) var(--ease);
}
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-link.active { color: var(--cinnabar); }
.nav-search {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--hairline-strong); background: transparent;
  color: var(--muted); font-family: inherit; font-size: 14px;
  padding: 6px 12px; border-radius: 999px; cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.nav-search:hover { border-color: var(--cinnabar); color: var(--cinnabar); background: rgba(179, 67, 43, 0.05); }

/* ---------- 搜索浮层 ---------- */
.search-layer {
  position: fixed; inset: 0; z-index: 80;
  background: rgba(47, 42, 36, 0.32);
  backdrop-filter: blur(4px);
  display: flex; justify-content: center; align-items: flex-start;
  padding: 12vh 20px 0;
}
/* hidden 属性必须压过上面的 display:flex */
.search-layer[hidden] { display: none; }
.search-box {
  width: min(560px, 100%);
  background: var(--card);
  border: 1px solid var(--hairline-strong);
  border-radius: 12px;
  padding: 18px;
  box-shadow: 0 24px 60px rgba(47, 42, 36, 0.25);
  animation: rise 0.28s var(--ease);
}
.search-box input {
  width: 100%; font-family: inherit; font-size: 17px;
  border: none; border-bottom: 1px solid var(--hairline-strong);
  background: transparent; padding: 8px 2px 10px; color: var(--ink);
}
.search-box input:focus { outline: none; border-bottom-color: var(--cinnabar); }
.search-results { margin-top: 8px; max-height: 46vh; overflow: auto; }
.search-hit { display: block; padding: 10px 8px; border-radius: 8px; color: var(--ink); }
.search-hit:hover, .search-hit:focus { background: rgba(179, 67, 43, 0.06); }
.search-hit strong { display: block; font-size: 16px; }
.search-hit small { color: var(--muted); font-size: 13px; }
.search-empty { color: var(--muted); text-align: center; padding: 18px 0; font-size: 14px; }
.search-hint { margin: 10px 2px 0; font-size: 12px; color: var(--muted); text-align: right; }

/* ---------- 首页 hero ---------- */
.hero { text-align: center; padding: 64px 0 40px; }
.hero-kicker {
  font-size: 12.5px; letter-spacing: 0.42em; color: var(--muted);
  margin: 0 0 14px; text-transform: uppercase;
}
.hero-title {
  font-size: clamp(44px, 8vw, 72px);
  font-weight: 900; letter-spacing: 0.18em;
  margin: 0; line-height: 1.15;
  display: inline-flex; align-items: baseline; gap: 0.18em;
}
.hero-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--cinnabar); display: inline-block;
  transform: translateY(-0.28em);
}
.hero-sub { color: var(--muted); letter-spacing: 0.3em; font-size: 15px; margin: 18px 0 8px; }
.hero-intro { color: var(--ink-soft); font-size: 16px; margin: 0 auto; max-width: 30em; }

/* ---------- 首页布局 ---------- */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 44px; padding-bottom: 72px; }
.col-main { min-width: 0; }
.col-side { display: flex; flex-direction: column; gap: 26px; }

.filter-note {
  display: flex; justify-content: space-between; align-items: center;
  border-left: 3px solid var(--cinnabar);
  background: var(--card);
  padding: 10px 16px; margin-bottom: 22px; font-size: 14.5px;
}

/* ---------- 文章卡片 ---------- */
.post-list { display: flex; flex-direction: column; }
.post-card {
  position: relative;
  padding: 30px 4px 26px;
  border-bottom: 1px solid var(--hairline);
  transition: padding-left var(--dur) var(--ease);
}
.post-card::before {
  content: "";
  position: absolute; left: -18px; top: 34px; bottom: 26px;
  width: 3px; background: var(--cinnabar);
  transform: scaleY(0); transform-origin: top;
  transition: transform var(--dur) var(--ease);
}
.post-card:hover::before { transform: scaleY(1); }
.post-card:hover { padding-left: 8px; }
.pin-badge {
  position: absolute; top: 8px; right: 0;
  font-size: 12px; color: var(--cinnabar);
  border: 1px solid currentColor; border-radius: 4px;
  padding: 1px 8px; letter-spacing: 0.2em;
}
.post-title { margin: 0 0 6px; font-size: 23px; font-weight: 700; line-height: 1.4; }
.post-title a { color: var(--ink); }
.post-title a:hover { color: var(--cinnabar); }
.post-meta { margin: 0 0 10px; font-size: 13.5px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.meta-sep { opacity: 0.5; }
.post-summary { margin: 0 0 14px; color: var(--ink-soft); font-size: 15.5px; }
.post-tags { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.center-tags { justify-content: center; }

.tag-chip {
  display: inline-block;
  font-size: 13px; color: var(--ink-soft);
  background: var(--paper-deep);
  border: 1px solid var(--hairline);
  padding: 2px 11px; border-radius: 999px;
  transition: all var(--dur) var(--ease);
}
.tag-chip:hover { border-color: var(--cinnabar); color: var(--cinnabar); background: rgba(179, 67, 43, 0.05); transform: translateY(-1px); }
.tag-chip.active { border-color: var(--cinnabar); color: var(--cinnabar); }
.tag-chip sup { font-size: 10px; margin-left: 2px; color: var(--muted); }
.read-more { margin-left: auto; font-size: 14px; letter-spacing: 0.08em; }

.empty-note { text-align: center; color: var(--muted); padding: 60px 0; }

/* ---------- 分页 ---------- */
.pagination { display: flex; gap: 8px; justify-content: center; padding: 34px 0 6px; flex-wrap: wrap; }
.page-btn {
  min-width: 38px; text-align: center;
  padding: 6px 12px; border: 1px solid var(--hairline-strong);
  border-radius: 6px; color: var(--ink-soft); font-size: 14.5px;
  transition: all var(--dur) var(--ease);
}
.page-btn:hover { border-color: var(--cinnabar); color: var(--cinnabar); }
.page-btn.current { background: var(--ink); border-color: var(--ink); color: var(--paper); }

/* ---------- 侧栏 ---------- */
.side-card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 22px 22px 20px;
  position: relative;
}
.side-card::before {
  content: ""; position: absolute; top: 14px; bottom: 14px; left: -1px;
  width: 3px; background: var(--cinnabar); border-radius: 3px; opacity: 0.85;
}
.side-title {
  margin: 0 0 14px; font-size: 15px; letter-spacing: 0.24em;
  color: var(--ink-soft); font-weight: 600;
}
.side-title::after { content: "。"; color: var(--cinnabar); }

.profile { text-align: center; }
.profile-name { font-weight: 700; font-size: 19px; margin: 12px 0 4px; letter-spacing: 0.1em; }
.profile-bio { color: var(--muted); font-size: 13.8px; margin: 0 0 10px; }
.profile-link { font-size: 13.8px; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }

.recent-comments { list-style: none; margin: 0; padding: 0; }
.recent-comments li { padding: 9px 0; border-bottom: 1px dashed var(--hairline); }
.recent-comments li:last-child { border-bottom: none; }
.rc-body { margin: 0 0 3px; font-size: 14px; color: var(--ink-soft); }
.rc-meta { margin: 0; font-size: 12.5px; color: var(--muted); }
.rc-meta a { color: var(--ink-soft); }
.rc-meta a:hover { color: var(--cinnabar); }
.rc-meta span { color: var(--cinnabar); margin: 0 3px; }

.site-stats { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; text-align: center; }
.site-stats strong { display: block; font-size: 20px; color: var(--ink); }
.site-stats span { font-size: 12px; color: var(--muted); }
.site-days { text-align: center; color: var(--muted); font-size: 12.5px; margin: 12px 0 0; letter-spacing: 0.1em; }

/* ---------- 文章页 ---------- */
.post-full { max-width: 760px; margin: 0 auto; padding: 46px 0 30px; }
.post-head { text-align: center; margin-bottom: 34px; }
.draft-banner {
  display: inline-block; background: #f3e3b8; color: #7a5c12;
  font-size: 13px; padding: 3px 14px; border-radius: 4px; letter-spacing: 0.15em;
}
.post-full-title { font-size: clamp(28px, 5vw, 40px); font-weight: 900; line-height: 1.35; margin: 0 0 16px; letter-spacing: 0.02em; }
.post-meta.center { justify-content: center; }

.post-body { font-size: 17px; line-height: 2.05; color: var(--ink); }
.post-body p { margin: 0 0 1.4em; }
.post-body h2, .post-body h3, .post-body h4 { margin: 2em 0 0.8em; line-height: 1.5; scroll-margin-top: 90px; }
.post-body h2 { font-size: 26px; padding-left: 14px; border-left: 4px solid var(--cinnabar); }
.post-body h3 { font-size: 21px; }
.post-body h4 { font-size: 18px; }
.post-body blockquote {
  margin: 1.6em 0; padding: 4px 22px;
  border-left: 3px solid var(--hairline-strong);
  color: var(--ink-soft); background: rgba(224, 215, 196, 0.28);
  border-radius: 0 8px 8px 0;
}
.post-body blockquote p { margin: 0.6em 0; }
.post-body ul, .post-body ol { padding-left: 1.6em; margin: 0 0 1.4em; }
.post-body li { margin: 0.3em 0; }
.post-body code {
  font-family: "Cascadia Code", Consolas, "JetBrains Mono", monospace;
  font-size: 0.85em; background: var(--paper-deep);
  border: 1px solid var(--hairline);
  border-radius: 4px; padding: 1px 6px;
}
.post-body hr { border: none; border-top: 1px dashed var(--hairline-strong); margin: 2.4em auto; width: 60%; }
.post-body img { max-width: 100%; border-radius: 8px; border: 1px solid var(--hairline); }
.post-body a { border-bottom: 1px solid color-mix(in srgb, var(--cinnabar) 40%, transparent); }
.post-body a:hover { border-bottom-color: var(--cinnabar); }

.md-code { position: relative; margin: 1.6em 0; }
.md-code pre {
  margin: 0; padding: 18px 20px; overflow: auto;
  background: #211f1a; color: #e8e2d5;
  border-radius: 10px; font-size: 14px; line-height: 1.75;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06), 2px 3px 0 rgba(47, 42, 36, 0.12);
}
.md-code code { background: none; border: none; padding: 0; color: inherit; font-size: inherit; }

.md-table { overflow-x: auto; margin: 1.6em 0; }
.md-table table { border-collapse: collapse; width: 100%; font-size: 15px; }
.md-table th, .md-table td { border: 1px solid var(--hairline-strong); padding: 8px 14px; text-align: left; }
.md-table th { background: var(--paper-deep); font-weight: 600; }
.md-table tr:hover td { background: rgba(224, 215, 196, 0.25); }

.admin-quick { text-align: center; font-size: 13.5px; color: var(--muted); }

/* 上一篇 / 下一篇 */
.prevnext { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 40px 0 10px; }
.pn-card {
  display: flex; flex-direction: column; gap: 4px;
  border: 1px solid var(--hairline); border-radius: 10px;
  padding: 14px 18px; background: var(--card);
  color: var(--ink); min-height: 74px;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.pn-card:hover { border-color: var(--cinnabar); transform: translateY(-2px); color: var(--ink); }
.pn-card small { color: var(--muted); font-size: 12.5px; letter-spacing: 0.1em; }
.pn-card strong { font-size: 15px; line-height: 1.5; }
.pn-card.right { text-align: right; align-items: flex-end; }
.pn-card.ghost { opacity: 0.55; }

/* 浮动目录 */
.toc-float {
  position: fixed; right: max(16px, calc((100vw - var(--wrap)) / 2 - 200px));
  top: 120px; width: 172px; font-size: 12.8px;
  max-height: 66vh; overflow: auto;
  opacity: 0; pointer-events: none;
  transition: opacity var(--dur) var(--ease);
}
@media (min-width: 1460px) { .toc-float { opacity: 1; pointer-events: auto; } }
.toc-title { letter-spacing: 0.3em; color: var(--muted); margin: 0 0 8px; font-size: 12px; }
.toc-float ul { list-style: none; margin: 0; padding: 0 0 0 8px; border-left: 1px solid var(--hairline-strong); }
.toc-float li { margin: 4px 0; }
.toc-float .lv3 { padding-left: 14px; }
.toc-float a { color: var(--muted); display: block; padding: 2px 0; }
.toc-float a:hover, .toc-float a.active { color: var(--cinnabar); }

/* ---------- 评论 ---------- */
.comments { max-width: 760px; margin: 0 auto; padding: 20px 0 80px; }
.comments-title { font-size: 21px; letter-spacing: 0.1em; border-bottom: 1px solid var(--hairline-strong); padding-bottom: 12px; }
.comments-title sup { color: var(--cinnabar); font-size: 13px; }
.comment-list { list-style: none; margin: 0 0 30px; padding: 0; }
.comment { display: flex; gap: 14px; padding: 18px 0; border-bottom: 1px dashed var(--hairline); }
.avatar {
  flex: 0 0 auto; width: 40px; height: 40px; border-radius: 8px;
  background: var(--paper-deep); color: var(--ink-soft);
  border: 1px solid var(--hairline-strong);
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; font-weight: 700;
}
.by-admin .avatar { background: var(--cinnabar); color: #f9f2e8; border-color: var(--cinnabar); }
.comment-main { flex: 1; min-width: 0; }
.comment-head { margin: 0 0 4px; font-size: 14px; color: var(--muted); display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.comment-head strong { color: var(--ink); font-size: 15.5px; }
.admin-badge { background: var(--cinnabar); color: #f9f2e8; font-size: 11px; padding: 1px 7px; border-radius: 3px; letter-spacing: 0.1em; }
.comment-body { margin: 0; white-space: pre-wrap; word-break: break-word; }
.comment-empty { color: var(--muted); text-align: center; padding: 24px 0; }
.c-del { font-size: 12px; color: #a33; }

.comment-form {
  background: var(--card); border: 1px solid var(--hairline);
  border-radius: 10px; padding: 22px;
  display: flex; flex-direction: column; gap: 14px;
}
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.comment-form label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--ink-soft); }
.comment-form input, .comment-form textarea {
  font-family: inherit; font-size: 15px; color: var(--ink);
  background: var(--paper); border: 1px solid var(--hairline-strong);
  border-radius: 7px; padding: 9px 12px;
  transition: border-color var(--dur) var(--ease);
}
.comment-form input:focus, .comment-form textarea:focus { outline: none; border-color: var(--cinnabar); }
.cf-error { color: #a33; font-size: 13.5px; margin: 0; }
.cf-note { font-size: 12.5px; color: var(--muted); }
.cf-body { display: block; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font-family: inherit; font-size: 15px; cursor: pointer;
  border-radius: 7px; padding: 9px 22px;
  border: 1px solid var(--hairline-strong); background: transparent; color: var(--ink-soft);
  transition: all var(--dur) var(--ease);
}
.btn:hover { border-color: var(--cinnabar); color: var(--cinnabar); }
.btn.primary { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn.primary:hover { background: var(--cinnabar); border-color: var(--cinnabar); color: #fff; }
.btn.full { width: 100%; }
.btn.small { font-size: 13.5px; padding: 5px 14px; }
.btn.ghost { border-color: transparent; }

/* ---------- 页头（归档/标签/友链） ---------- */
.page-head { text-align: center; padding: 52px 0 36px; }
.page-head h1 { font-size: 34px; font-weight: 900; letter-spacing: 0.28em; margin: 0 0 8px; }
.page-head p { color: var(--muted); margin: 0; font-size: 15px; }

/* 归档时间线 */
.timeline { max-width: 700px; margin: 0 auto 80px; padding-left: 26px; border-left: 1px solid var(--hairline-strong); }
.tl-year { margin-bottom: 38px; }
.tl-year-label { font-size: 24px; font-weight: 900; color: var(--ink); position: relative; margin: 0 0 14px; }
.tl-year-label::before {
  content: ""; position: absolute; left: -32px; top: 0.62em;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--cinnabar); box-shadow: 0 0 0 4px var(--paper);
}
.tl-list { list-style: none; margin: 0; padding: 0; }
.tl-item { display: flex; gap: 18px; align-items: baseline; padding: 7px 0; }
.tl-item time { flex: 0 0 auto; font-size: 13.5px; color: var(--muted); font-variant-numeric: tabular-nums; }
.tl-item a { color: var(--ink-soft); font-size: 16px; transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease); }
.tl-item a:hover { color: var(--cinnabar); padding-left: 6px; }

/* 标签墙 */
.tag-wall {
  max-width: 700px; margin: 0 auto 80px;
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center;
}
.tag-pill {
  display: inline-flex; align-items: baseline; gap: 7px;
  font-size: calc(15px * var(--w, 1));
  color: var(--ink-soft);
  padding: 4px 4px;
  transition: color var(--dur) var(--ease);
}
.tag-pill:hover { color: var(--cinnabar); }
.tag-count {
  font-size: 12px; color: var(--muted);
  border: 1px solid var(--hairline-strong); border-radius: 999px;
  padding: 0 8px; transition: all var(--dur) var(--ease);
}
.tag-pill:hover .tag-count { border-color: var(--cinnabar); color: var(--cinnabar); }

/* 友链 */
.link-grid { max-width: 760px; margin: 0 auto 40px; display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.link-card {
  display: flex; align-items: center; gap: 14px;
  background: var(--card); border: 1px solid var(--hairline);
  border-radius: 10px; padding: 18px 20px; color: var(--ink);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.link-card:hover { border-color: var(--cinnabar); transform: translateY(-3px); box-shadow: 0 10px 26px rgba(47, 42, 36, 0.09); color: var(--ink); }
.link-avatar {
  flex: 0 0 auto; width: 46px; height: 46px; border-radius: 9px;
  background: var(--paper-deep); border: 1px solid var(--hairline-strong);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 700; color: var(--ink-soft);
}
.link-info strong { display: block; font-size: 16.5px; }
.link-info small { color: var(--muted); font-size: 13px; }
.friend-note { text-align: center; color: var(--muted); font-size: 14px; padding-bottom: 80px; }

/* ---------- 登录页 ---------- */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-wrap { width: min(400px, calc(100vw - 40px)); }
.login-card {
  background: var(--card); border: 1px solid var(--hairline);
  border-radius: 14px; padding: 40px 36px 30px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(47, 42, 36, 0.1);
}
.login-card h1 { font-size: 20px; letter-spacing: 0.14em; margin: 18px 0 22px; }
.login-card label { display: flex; flex-direction: column; gap: 6px; text-align: left; font-size: 14px; color: var(--ink-soft); margin-bottom: 16px; }
.login-card input {
  font-family: inherit; font-size: 16px; padding: 10px 14px;
  border: 1px solid var(--hairline-strong); border-radius: 7px;
  background: var(--paper); color: var(--ink);
}
.login-card input:focus { outline: none; border-color: var(--cinnabar); }
.login-error { background: #f6e2dd; color: #8c2f1b; border-radius: 6px; padding: 8px 12px; font-size: 14px; margin: 0 0 16px; }
.login-back { font-size: 13.5px; margin: 18px 0 0; }
.login-back a { color: var(--muted); }

/* ---------- 后台 ---------- */
.admin-body { background: var(--paper); }
.admin-topbar {
  background: var(--ink); color: var(--paper);
  position: sticky; top: 0; z-index: 30;
}
.admin-topbar .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 58px; gap: 12px; flex-wrap: wrap; }
.admin-brand { color: var(--paper); display: flex; align-items: center; gap: 10px; font-size: 16px; letter-spacing: 0.1em; }
.admin-nav { display: flex; gap: 2px; flex-wrap: wrap; }
.admin-nav a { color: rgba(249, 242, 232, 0.75); padding: 7px 13px; border-radius: 6px; font-size: 14.5px; }
.admin-nav a:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.admin-nav a.active { color: #fff; background: rgba(255, 255, 255, 0.14); }
.badge {
  background: var(--cinnabar); color: #fff; font-style: normal;
  font-size: 11px; border-radius: 999px; padding: 1px 7px; vertical-align: 2px;
}
.badge.soft { background: var(--paper-deep); color: var(--ink-soft); border: 1px solid var(--hairline-strong); }

.admin-main { padding: 30px 24px 70px; }
.admin-h1 { font-size: 25px; letter-spacing: 0.16em; margin: 0 0 24px; }
.admin-hrow { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; gap: 12px; flex-wrap: wrap; }
.admin-hrow .admin-h1 { margin: 0; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 30px; }
.stat-card {
  background: var(--card); border: 1px solid var(--hairline); border-radius: 10px;
  padding: 18px; text-align: center;
}
.stat-card strong { display: block; font-size: 28px; line-height: 1.2; }
.stat-card span { font-size: 13px; color: var(--muted); }
.stat-card.warn strong { color: var(--cinnabar); }

.admin-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.admin-panel { background: var(--card); border: 1px solid var(--hairline); border-radius: 10px; padding: 20px; }
.admin-panel h2 { font-size: 17px; margin: 0 0 14px; letter-spacing: 0.12em; }
.admin-list { list-style: none; margin: 0 0 14px; padding: 0; }
.admin-list li {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 8px 0; border-bottom: 1px dashed var(--hairline); font-size: 14.5px;
}
.admin-list li:last-child { border-bottom: none; }
.muted { color: var(--muted); font-size: 13px; }

.admin-table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--hairline); border-radius: 10px; overflow: hidden; font-size: 14.5px; }
.admin-table th, .admin-table td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--hairline); }
.admin-table th { background: var(--paper-deep); font-weight: 600; letter-spacing: 0.08em; font-size: 13.5px; }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tbody tr { transition: background var(--dur) var(--ease); }
.admin-table tbody tr:hover { background: rgba(224, 215, 196, 0.22); }
.actions { white-space: nowrap; }
.actions a, .actions button { margin-right: 10px; font-size: 13.5px; background: none; border: none; cursor: pointer; font-family: inherit; color: var(--cinnabar); padding: 0; }
.actions a.danger, .actions button.danger { color: #a33020; }
.ok { color: #4a6741; }
.draft { color: #9a7b1e; }
.comment-cell { max-width: 320px; }

.flash { border-radius: 8px; padding: 10px 16px; margin: 0 0 18px; font-size: 14.5px; }
.flash.ok { background: #e6ecdf; color: #405432; }
.flash.err { background: #f6e2dd; color: #8c2f1b; }

/* 编辑器 */
.editor { background: var(--card); border: 1px solid var(--hairline); border-radius: 12px; padding: 26px; display: flex; flex-direction: column; gap: 16px; }
.editor label { display: flex; flex-direction: column; gap: 7px; font-size: 14px; color: var(--ink-soft); }
.editor input, .editor textarea, .editor select {
  font-family: inherit; font-size: 15px; color: var(--ink);
  background: var(--paper); border: 1px solid var(--hairline-strong);
  border-radius: 7px; padding: 9px 12px;
}
.editor input:focus, .editor textarea:focus, .editor select:focus { outline: none; border-color: var(--cinnabar); }
.ed-title input { font-size: 20px; font-weight: 600; }
.ed-row { display: grid; grid-template-columns: 1fr 1fr 1.4fr; gap: 14px; }
.ed-row .narrow { max-width: 110px; }
.ed-body textarea { resize: vertical; line-height: 1.9; font-size: 15.5px; }
.hint { color: var(--muted); font-weight: 400; font-size: 12.5px; }
.ed-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.ed-actions .spacer, .admin-hrow .spacer { flex: 1; }
.inline-form { display: inline; }
.admin-form { background: var(--card); border: 1px solid var(--hairline); border-radius: 10px; padding: 20px; margin-bottom: 22px; display: flex; flex-direction: column; gap: 14px; }
.admin-form label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--ink-soft); }
.admin-form input { font-family: inherit; font-size: 15px; padding: 8px 12px; border: 1px solid var(--hairline-strong); border-radius: 7px; background: var(--paper); color: var(--ink); }
.admin-form input:focus { outline: none; border-color: var(--cinnabar); }
label.inline { flex-direction: row; align-items: center; gap: 8px; }
.admin-foot { border-top: 1px solid var(--hairline); padding: 18px 0 26px; color: var(--muted); font-size: 13px; text-align: center; }

/* ---------- 页脚 ---------- */
.site-footer { border-top: 1px solid var(--hairline); background: var(--paper-deep); position: relative; z-index: 1; }
.footer-inner { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; padding: 34px 24px; flex-wrap: wrap; }
.footer-brand { display: flex; gap: 12px; align-items: center; }
.footer-name { margin: 0; font-weight: 700; letter-spacing: 0.08em; }
.footer-motto { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.footer-links { display: flex; gap: 18px; font-size: 14px; }
.footer-links a { color: var(--ink-soft); }
.footer-links a:hover { color: var(--cinnabar); }
.footer-copy { flex-basis: 100%; color: var(--muted); font-size: 12.5px; margin: 0; border-top: 1px dashed var(--hairline); padding-top: 14px; }

/* ---------- 动效 ---------- */
[data-reveal] { opacity: 0; transform: translateY(14px); }
.no-js [data-reveal], .reduced [data-reveal] { opacity: 1; transform: none; }
.is-revealed { opacity: 1 !important; transform: none !important; transition: opacity 0.55s var(--ease) var(--d, 0ms), transform 0.55s var(--ease) var(--d, 0ms); }
@keyframes rise { from { opacity: 0; transform: translateY(10px) scale(0.99); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .toc-float { display: none; }
}
@media (max-width: 920px) {
  .layout { grid-template-columns: 1fr; }
  .col-side { order: 2; }
  .hero { padding-top: 44px; }
}
@media (max-width: 640px) {
  body { font-size: 15.5px; }
  .wrap { padding: 0 16px; }
  .md-table table { min-width: 460px; } /* 窄屏下表格改为容器内横向滚动而非挤压竖排 */
  .header-inner { justify-content: center; }
  .post-card { padding: 24px 0 20px; }
  .post-card::before { display: none; }
  .post-card:hover { padding-left: 0; }
  .post-title { font-size: 20px; }
  .prevnext { grid-template-columns: 1fr; }
  .pn-card.right { text-align: left; align-items: flex-start; }
  .cf-row { grid-template-columns: 1fr; }
  .ed-row { grid-template-columns: 1fr; }
  .site-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { flex-direction: column; }
}