:root {
  color-scheme: light;
  --bg: #ececea;
  --paper: #ffffff;
  --text: #26292c;
  --muted: #667078;
  --line: #dde1dc;
  --accent: #12665f;
  --accent-strong: #0f5b55;
  --accent-soft: #e8f3ef;
  --shadow: 0 12px 32px rgba(31, 37, 41, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 17px;
  line-height: 1.72;
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

img,
video,
iframe {
  max-width: 100%;
  height: auto;
}

.archive-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.archive-brand {
  color: var(--text);
  font-weight: 750;
  text-decoration: none;
  white-space: nowrap;
}

.archive-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
}

.archive-nav a,
.archive-read-more,
.archive-widget a {
  color: var(--accent-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.archive-main {
  width: min(1120px, calc(100% - 32px));
  margin: 42px auto 72px;
}

.archive-intro {
  margin-bottom: 24px;
}

.archive-kicker {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1.08;
}

h2 {
  margin-top: 42px;
  font-size: 26px;
}

.archive-description {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
}

.archive-topic-strip,
.archive-pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.archive-topic-strip {
  gap: 8px;
  margin-top: 20px;
}

.archive-topic-strip a,
.archive-pagination a,
.archive-pagination span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 6px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--accent-strong);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
}

.archive-topic-strip a.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.archive-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 18px;
  align-items: start;
}

.archive-feed {
  display: grid;
  gap: 18px;
}

.archive-post-card {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 22px;
  padding: 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.archive-post-card.featured {
  grid-template-columns: 1fr;
}

.archive-thumb {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 6px;
  background: var(--accent-soft);
  text-decoration: none;
}

.archive-post-card.featured .archive-thumb {
  aspect-ratio: 16 / 7;
}

.archive-thumb img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.archive-placeholder {
  display: grid;
  place-items: center;
  color: var(--accent);
  font-size: 26px;
  font-weight: 750;
}

.archive-card-body {
  min-width: 0;
}

.archive-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 14px;
}

.archive-card-meta span {
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 650;
}

.archive-post-card h2 {
  margin: 0 0 10px;
  font-size: clamp(23px, 3vw, 34px);
  line-height: 1.22;
}

.archive-post-card:not(.featured) h2 {
  font-size: clamp(21px, 2.3vw, 28px);
}

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

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

.archive-excerpt {
  margin: 0 0 14px;
  color: #41484c;
}

.archive-read-more {
  font-weight: 700;
}

.archive-sidebar {
  display: grid;
  gap: 18px;
  position: sticky;
  top: 18px;
}

.archive-widget {
  padding: 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.archive-widget h2 {
  margin: 0 0 12px;
  font-size: 20px;
}

.archive-widget a {
  display: block;
  padding: 9px 0;
  border-top: 1px solid var(--line);
  font-weight: 650;
}

.archive-pagination {
  justify-content: center;
  gap: 10px;
  margin-top: 18px;
}

.archive-post {
  width: min(920px, 100%);
  margin: 0 auto;
  padding: clamp(22px, 5vw, 48px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.archive-meta,
.archive-note,
.archive-empty,
.archive-source {
  color: var(--muted);
}

.archive-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 16px;
  font-size: 15px;
}

.archive-terms {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.archive-terms span,
.archive-terms a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 14px;
  text-decoration: none;
}

.archive-content {
  overflow-wrap: anywhere;
}

.archive-content pre {
  overflow-x: auto;
  padding: 14px;
  border-radius: 6px;
  background: #f0f3f5;
}

.archive-content blockquote {
  margin-left: 0;
  padding-left: 18px;
  border-left: 4px solid var(--line);
  color: #3d4548;
}

.archive-source {
  margin-top: 34px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 15px;
}

.archive-comments {
  margin-top: 42px;
}

.archive-comment {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.archive-comment-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  color: var(--muted);
  font-size: 15px;
}

.archive-comment-body p:last-child {
  margin-bottom: 0;
}

@media (max-width: 900px) {
  .archive-layout {
    grid-template-columns: 1fr;
  }

  .archive-sidebar {
    position: static;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

  .archive-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .archive-main {
    width: min(100% - 20px, 1120px);
    margin-top: 24px;
  }

  h1 {
    font-size: clamp(34px, 12vw, 58px);
  }

  .archive-post-card,
  .archive-post-card.featured {
    grid-template-columns: 1fr;
    padding: 14px;
  }

  .archive-post-card.featured .archive-thumb,
  .archive-thumb {
    aspect-ratio: 16 / 10;
  }

  .archive-post {
    padding: 20px;
  }
}