/* 像素：独立窗口、存档面板和阶梯阴影；文字保留正常抗锯齿以照顾中文阅读。 */
:root {
  --bg: #edf0db;
  --surface: #fffdec;
  --text: #354737;
  --muted: #67765b;
  --line: #a7b798;
  --accent: #477750;
  --soft: #dce8c3;
  --code: #e3ebd1;
  --scrollbar: #8ca979;
  --radius: 0px;
  --pixel-sky: #cbe4dd;
  --pixel-hill: #95b988;
  --pixel-gold: #e9bf65;
  --pixel-shadow: #b5c9a3;
  --pixel-label-text: #354737;
  font-family: Consolas, "Microsoft YaHei", monospace;
}
:root.dark {
  --bg: #18261e;
  --surface: #24372a;
  --text: #e4efd3;
  --muted: #aec397;
  --line: #5f7951;
  --accent: #bcdd8c;
  --soft: #344e30;
  --code: #30472f;
  --scrollbar: #789864;
  --pixel-sky: #2c5147;
  --pixel-hill: #507f4d;
  --pixel-gold: #d1b16c;
  --pixel-shadow: #0f1b12;
  --pixel-label-text: #18261e;
}
.theme-pixel {
  background-image:
    linear-gradient(var(--soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--soft) 1px, transparent 1px);
  background-size: 24px 24px;
}
.theme-pixel .site-header {
  background: var(--surface);
  border-bottom: 3px solid var(--text);
}
.theme-pixel .header-inner {
  max-width: 1380px;
  min-height: 72px;
}
.theme-pixel .brand {
  font-size: 21px;
  letter-spacing: 0.12em;
}
.theme-pixel .theme-toggle,
.theme-pixel .search-toggle,
.theme-pixel .menu-toggle {
  border-radius: 0;
  box-shadow: 2px 2px 0 var(--line);
  border: 1px solid var(--line);
}
.pixel-workspace {
  max-width: 1300px;
  padding-top: 30px;
}
.pixel-cover {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 26px 38px;
  padding: 28px 32px;
  border: 2px solid var(--text);
  background: var(--surface);
  box-shadow: 6px 6px 0 var(--pixel-shadow);
  margin: 0 0 34px;
}
.pixel-cover h1 {
  font-size: clamp(32px, 4vw, 48px);
  letter-spacing: 0.07em;
}
.pixel-cover .intro-kicker {
  color: var(--accent);
  padding: 3px 10px;
  display: inline-block;
  border: 1px dashed var(--line);
}
.pixel-land {
  width: 100%;
  height: 160px;
  align-self: center;
  border: 2px solid var(--text);
  image-rendering: pixelated;
}
.pixel-status {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  border-top: 2px dashed var(--line);
  padding-top: 18px;
}
.pixel-status > div {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: var(--soft);
}
.pixel-status dt {
  font-size: 12px;
  color: var(--muted);
}
.pixel-status dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--accent);
}
.pixel-board {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 230px;
  gap: 28px;
  align-items: start;
}
.pixel-library {
  min-width: 0;
}
.pixel-window-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 12px;
  color: var(--pixel-label-text);
  background: var(--pixel-gold);
  border: 2px solid var(--text);
  padding: 9px 14px;
}
.pixel-library-body {
  padding-top: 24px;
}
.pixel-workspace .home-rail {
  padding: 20px;
  border: 2px solid var(--text);
  box-shadow: 4px 4px 0 var(--pixel-shadow);
  background: var(--surface);
}
.pixel-workspace .sidebar-section h2 {
  font-size: 13px;
  letter-spacing: 2px;
  padding-bottom: 10px;
  border-bottom: 2px dashed var(--line);
}
.pixel-entries {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}
.pixel-entries .pixel-entry {
  display: flex;
  flex-direction: column;
  padding: 0 22px 22px;
  border: 2px solid var(--text);
  background: var(--surface);
  box-shadow: 4px 4px 0 var(--pixel-shadow);
}
.pixel-entry-header {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 -22px 20px;
  padding: 8px 14px;
  border-bottom: 2px solid var(--text);
  background: var(--soft);
  color: var(--accent);
  font-size: 11px;
}
.pixel-entry:nth-child(3n + 1) .pixel-entry-header {
  background: var(--pixel-sky);
}
.pixel-entry:nth-child(3n + 2) .pixel-entry-header {
  background: var(--pixel-gold);
  color: var(--pixel-label-text);
}
.pixel-entry:nth-child(3n + 2) .entry-categories {
  color: var(--pixel-label-text);
}
.pixel-entry h2 {
  font-size: 23px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.5;
}
.pixel-entry .card-summary {
  font-size: 13px;
}
.pixel-entry-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}
.pixel-entry .read-more {
  padding: 0 8px;
  border: 1px solid var(--line);
  background: var(--soft);
  font-size: 12px;
}
.pixel-board.pixel-archive {
  display: block;
}
.pixel-reading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 224px;
  gap: 32px;
  align-items: start;
}
.pixel-document {
  min-width: 0;
  border: 2px solid var(--text);
  background: var(--surface);
  box-shadow: 6px 6px 0 var(--pixel-shadow);
}
.pixel-document > .pixel-window-bar {
  border: 0;
  border-bottom: 2px solid var(--text);
}
.pixel-document-body {
  padding: 36px 40px;
}
.pixel-reading .article-rail {
  border: 2px solid var(--line);
  background: var(--surface);
  padding: 18px;
  box-shadow: 4px 4px 0 var(--pixel-shadow);
}
.pixel-workspace .article-header {
  border-bottom: 2px dashed var(--line);
}
.pixel-workspace .prose h2 {
  border-left: 6px solid var(--accent);
  padding-left: 14px;
}
.pixel-workspace .prose pre,
.pixel-workspace .prose img,
.pixel-workspace .ad-card {
  border-radius: 0;
  border: 1px solid var(--line);
}
.theme-pixel .site-footer {
  border-top: 2px solid var(--text);
  background: var(--soft);
  font-size: 11px;
}
@media (max-width: 1100px) {
  .pixel-board {
    grid-template-columns: minmax(0, 1fr) 210px;
    gap: 22px;
  }
  .pixel-entries {
    grid-template-columns: minmax(0, 1fr);
  }
  .pixel-cover {
    grid-template-columns: minmax(0, 1fr) 240px;
  }
  .pixel-document-body {
    padding: 28px;
  }
}
@media (max-width: 980px) {
  .pixel-reading {
    display: block;
  }
  .pixel-reading .article-rail {
    border: 0;
    box-shadow: none;
    padding: 0;
    background: none;
  }
}
@media (max-width: 760px) {
  .pixel-cover {
    grid-template-columns: minmax(0, 1fr);
    padding: 22px;
    gap: 18px;
  }
  .pixel-cover h1 {
    font-size: 32px;
  }
  .pixel-land {
    height: 140px;
  }
  .pixel-status {
    gap: 6px;
  }
  .pixel-status > div {
    padding: 8px;
  }
  .pixel-status dt {
    font-size: 10px;
  }
  .pixel-board {
    display: block;
  }
  .pixel-workspace .home-rail {
    border: 0;
    padding: 0;
    box-shadow: none;
    background: none;
  }
  .pixel-document-body {
    padding: 24px 20px;
  }
  .pixel-entries .pixel-entry {
    padding-bottom: 22px;
  }
}