:root {
  --bg: #f7f7f4;
  --surface: #ffffff;
  --ink: #1d1d1f;
  --muted: #646866;
  --line: #dcded8;
  --accent: #9f1f2f;
  --accent-dark: #731522;
  --green: #2f6f5f;
  --gold: #b8842f;
  --shadow: 0 10px 30px rgba(29, 29, 31, 0.06);
  --sans-cjk: "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", "Noto Sans SC", "Source Han Sans SC", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover,
a:focus {
  color: var(--accent-dark);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.wrap,
.site-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.skip-link,
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  top: 12px;
  left: 12px;
  z-index: 10;
  width: auto;
  height: auto;
  padding: 8px 12px;
  clip: auto;
  background: var(--surface);
  border: 1px solid var(--line);
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
}

.brand {
  color: var(--ink);
  font-size: 1.8rem;
  font-weight: 700;
  text-decoration: none;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
  font-family: "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
}

.main-nav a {
  padding: 8px 10px;
  color: var(--ink);
  border-radius: 6px;
  text-decoration: none;
}

.main-nav a:hover,
.main-nav a:focus {
  background: #f0eee8;
  color: var(--accent-dark);
}

.site-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 48px;
  align-items: start;
  padding: 46px 0 64px;
}

.main-content {
  min-width: 0;
}

.home-intro,
.page-header,
.post-header {
  margin-bottom: 30px;
}

.home-intro {
  padding-bottom: 26px;
  border-bottom: 3px solid var(--ink);
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--green);
  font-family: "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
}

h1,
h2,
h3,
h4 {
  line-height: 1.3;
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.home-intro p:last-child,
.page-header p:last-child {
  max-width: 680px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.post-list {
  display: grid;
  gap: 22px;
}

.post-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.post-thumb {
  aspect-ratio: 16 / 8;
  overflow: hidden;
  background: #ece7db;
}

.post-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-card-body {
  padding: 24px;
}

.post-card h2 {
  margin: 0 0 8px;
  font-size: 1.42rem;
}

.post-card h2 a {
  color: var(--ink);
  text-decoration: none;
}

.post-card h2 a:hover,
.post-card h2 a:focus {
  color: var(--accent);
}

.post-card p {
  margin: 14px 0 0;
  color: #343736;
  font-family: var(--sans-cjk);
  line-height: 1.85;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  color: var(--muted);
  font-family: "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 0.92rem;
}

.post-card-taxonomy,
.taxonomy-row,
.sidebar-taxonomy,
.term-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.post-card-taxonomy {
  margin-top: 18px;
}

.post-card-taxonomy a,
.taxonomy-row a,
.term-pill,
.sidebar-taxonomy a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 30px;
  padding: 4px 10px;
  color: var(--green);
  background: #eef5f1;
  border: 1px solid #d7e5de;
  border-radius: 999px;
  font-family: "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 0.88rem;
  text-decoration: none;
}

.post-card-taxonomy a:hover,
.taxonomy-row a:hover,
.term-pill:hover,
.sidebar-taxonomy a:hover {
  color: var(--accent-dark);
  background: #fff5f3;
  border-color: #ead3ce;
}

.post-full {
  max-width: 100%;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.post-cover {
  margin: 0;
  aspect-ratio: 16 / 7;
  overflow: hidden;
  background: #ece7db;
  border-bottom: 1px solid var(--line);
}

.post-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-header {
  padding: 34px 36px 26px;
  border-bottom: 1px solid var(--line);
}

.post-content {
  padding: 12px 36px 36px;
  font-family: var(--sans-cjk);
  font-size: 1.06rem;
  line-height: 1.9;
  overflow-wrap: anywhere;
}

.post-content h2 {
  margin-top: 2.1em;
  padding-top: 0.6em;
  border-top: 1px solid var(--line);
  font-size: 1.55rem;
}

.post-content h3 {
  margin-top: 1.8em;
  font-size: 1.22rem;
}

.post-content p,
.post-content ul,
.post-content ol,
.post-content blockquote {
  margin: 1.05em 0;
}

.post-content blockquote {
  padding: 2px 0 2px 18px;
  color: #484c4a;
  border-left: 4px solid var(--gold);
}

.post-content code {
  padding: 0.1em 0.3em;
  background: #f1eee7;
  border-radius: 4px;
  font-family: Consolas, "Liberation Mono", monospace;
  font-size: 0.92em;
}

.post-content pre {
  overflow-x: auto;
  padding: 16px;
  background: #262522;
  color: #f6f3ea;
  border-radius: 8px;
}

.post-content pre code {
  padding: 0;
  background: transparent;
  color: inherit;
}

.post-content img {
  margin: 24px auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.post-footer {
  display: grid;
  gap: 12px;
  padding: 0 36px 34px;
}

.series-box {
  margin: 0 36px 34px;
  padding: 20px;
  background: #fbfaf6;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: var(--sans-cjk);
}

.series-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  margin-bottom: 14px;
}

.series-header span {
  color: var(--green);
  font-size: 0.92rem;
  font-weight: 700;
}

.series-header a,
.series-header strong {
  color: var(--ink);
  font-size: 1.06rem;
}

.series-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.series-list li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

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

.series-list a:hover,
.series-list a:focus {
  color: var(--accent);
  text-decoration: underline;
}

.series-list .is-current {
  color: var(--accent-dark);
  font-weight: 700;
}

.series-order {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  min-height: 26px;
  color: var(--green);
  background: #eef5f1;
  border: 1px solid #d7e5de;
  border-radius: 50%;
  font-size: 0.82rem;
  font-weight: 700;
}

.series-pager {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.series-pager a {
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  text-decoration: none;
}

.series-pager a:last-child {
  text-align: right;
}

.taxonomy-row span {
  color: var(--muted);
  font-family: "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
}

.post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.post-nav a,
.pagination a,
.pagination span {
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  text-decoration: none;
}

.post-nav a:last-child {
  text-align: right;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 26px;
  font-family: "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
}

.sidebar {
  display: grid;
  gap: 30px;
  font-family: "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
}

.sidebar-section {
  padding-top: 18px;
  border-top: 2px solid var(--ink);
}

.sidebar h2 {
  margin: 0 0 12px;
  font-size: 1.02rem;
}

.compact-search,
#search-form {
  display: flex;
  gap: 8px;
}

input[type="search"] {
  width: 100%;
  min-width: 0;
  padding: 10px 11px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}

button {
  padding: 10px 14px;
  color: #fff;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 6px;
  font: inherit;
  cursor: pointer;
  white-space: nowrap;
}

button:hover,
button:focus {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

.recent-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 1.2rem;
}

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

.recent-list a:hover,
.recent-list a:focus {
  color: var(--accent);
}

.sidebar-taxonomy a span,
.term-pill strong {
  color: var(--muted);
  font-weight: 700;
}

.term-grid {
  align-items: flex-start;
}

.term-pill {
  border-radius: 8px;
}

.search-panel {
  display: grid;
  gap: 16px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.search-status {
  margin: 0;
  color: var(--muted);
  font-family: "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
}

.search-results {
  display: grid;
  gap: 14px;
}

.search-result {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.search-result h2 {
  margin: 0 0 6px;
  font-size: 1.2rem;
}

.search-result p {
  margin: 0;
  color: #3e4240;
}

.empty-state {
  color: var(--muted);
}

.site-footer {
  background: #242321;
  color: #f1eee7;
  font-family: "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 20px;
  padding: 26px 0;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 860px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
  }

  .main-nav {
    justify-content: flex-start;
  }

  .site-shell {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-top: 32px;
  }

  .sidebar {
    border-top: 1px solid var(--line);
    padding-top: 4px;
  }

  .post-nav {
    grid-template-columns: 1fr;
  }

  .post-nav a:last-child {
    text-align: left;
  }
}

@media (max-width: 560px) {
  html,
  body {
    overflow-x: hidden;
  }

  .wrap,
  .site-shell {
    width: 100%;
    max-width: 100%;
    padding-left: 11px;
    padding-right: 11px;
  }

  .brand {
    font-size: 1.55rem;
  }

  .post-card-body,
  .search-panel {
    padding: 18px;
  }

  .post-header,
  .post-content,
  .series-box,
  .post-footer {
    padding-left: 20px;
    padding-right: 20px;
  }

  .series-box {
    margin-left: 20px;
    margin-right: 20px;
  }

  .series-pager {
    grid-template-columns: 1fr;
  }

  .series-pager a:last-child {
    text-align: left;
  }

  .post-header h1 {
    font-size: 1.7rem;
    word-break: break-all;
  }

  .post-content {
    word-break: break-all;
    line-break: anywhere;
  }

  .compact-search,
  #search-form {
    flex-direction: column;
  }
}