/* 山水：横贯全屏的山谷封面、左侧行旅索引和错落路径，留出宁静的正文。 */
:root {
  --bg: #edf2e9;
  --surface: #fcfdf6;
  --text: #2b453b;
  --muted: #657f6e;
  --line: #cbdcc9;
  --accent: #32694d;
  --soft: #dde9d6;
  --code: #e1eadb;
  --scrollbar: #a6bf9e;
  --radius: 18px;
  --sky: #e5eedf;
  --sun: #e5bf7b;
  --mountain-far: #c4d6c3;
  --mountain-mid: #8bad95;
  --mountain-near: #527b60;
  --river: #c7debb;
}
:root.dark {
  --bg: #15211b;
  --surface: #1e2e24;
  --text: #e2ebd9;
  --muted: #a0b79c;
  --line: #39533d;
  --accent: #b0ce94;
  --soft: #2a422d;
  --code: #263c29;
  --scrollbar: #56734c;
  --sky: #203529;
  --sun: #d0b987;
  --mountain-far: #3b5741;
  --mountain-mid: #476c50;
  --mountain-near: #2f4f38;
  --river: #8bac77;
}
.theme-landscape .site-header {
  border: 0;
  background: var(--surface);
}
.theme-landscape .header-inner {
  max-width: 1400px;
  min-height: 76px;
}
.theme-landscape .brand {
  letter-spacing: 0.06em;
  font-weight: 600;
}
.landscape-panorama {
  position: relative;
  min-height: 350px;
  padding: 46px max(36px, calc((100% - 1300px) /2));
  display: flex;
  align-items: flex-start;
  background: var(--sky);
  border-bottom: 1px solid var(--line);
}
.landscape-scene {
  position: absolute;
  width: 100%;
  height: 100%;
  inset: 0;
  pointer-events: none;
}
.panorama-copy {
  position: relative;
  z-index: 1;
  max-width: 54%;
}
.landscape-panorama h1 {
  font-size: clamp(34px, 4.6vw, 62px);
  letter-spacing: 0.06em;
  margin: 0 0 16px;
}
.panorama-copy > p {
  color: var(--muted);
  font-size: 14px;
  margin: 0;
  line-height: 2;
}
.panorama-copy .intro-kicker {
  margin-bottom: 14px;
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.2em;
}
.panorama-caption {
  position: absolute;
  right: 40px;
  bottom: 24px;
  z-index: 1;
  color: var(--surface);
  font-size: 11px;
  letter-spacing: 0.15em;
}
.landscape-workspace {
  max-width: 1300px;
  padding-top: 38px;
}
.landscape-valley {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}
.landscape-trail {
  min-width: 0;
}
.landscape-workspace .home-rail {
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 60px 12px 20px 12px;
}
.landscape-workspace .sidebar-section h2 {
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.2em;
}
.landscape-workspace .theme-list-heading {
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.landscape-entries {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.landscape-entries .landscape-entry {
  display: flex;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 20px 20px 4px 20px;
  box-shadow: var(--shadow);
}
.landscape-entry:nth-child(2n) {
  border-radius: 20px 20px 20px 4px;
}
.landscape-entry:first-child {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 24px;
  border-radius: 28px 8px 28px 8px;
  background: var(--soft);
}
.trail-waypoint {
  height: 40px;
  width: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--accent);
  font-size: 12px;
  margin-bottom: 18px;
}
.landscape-entry:first-child .trail-waypoint {
  width: 60px;
  height: 60px;
  font-size: 20px;
  background: var(--surface);
}
.trail-story {
  min-width: 0;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.landscape-entry .entry-categories {
  margin-bottom: 12px;
}
.landscape-entry h2 {
  font-size: 23px;
  line-height: 1.6;
}
.landscape-entry:first-child h2 {
  font-size: 31px;
}
.trail-footer {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 12px;
}
.landscape-valley.landscape-archive {
  display: block;
}
.landscape-reading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 224px;
  gap: 32px 42px;
  align-items: start;
}
.landscape-scenic-strip {
  grid-column: 1 / -1;
  position: relative;
  height: 120px;
  background: var(--sky);
  border-radius: 32px 8px 32px 8px;
  overflow: hidden;
}
.landscape-journal {
  padding: 36px 48px;
  border-radius: 24px 8px 24px 8px;
  border: 1px solid var(--line);
  background: var(--surface);
}
.landscape-reading .article-rail {
  padding: 22px;
  border-radius: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
}
.landscape-workspace .article-header h1 {
  font-size: clamp(30px, 3.4vw, 44px);
  font-weight: 600;
}
.landscape-workspace .prose {
  line-height: 2.1;
}
.landscape-workspace .prose h2 {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.theme-landscape .site-footer {
  background: var(--soft);
  border: 0;
}
@media (max-width: 1100px) {
  .landscape-valley {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 28px;
  }
  .landscape-entries {
    grid-template-columns: minmax(0, 1fr);
  }
  .landscape-reading {
    gap: 28px;
  }
  .landscape-journal {
    padding: 30px;
  }
}
@media (max-width: 980px) {
  .landscape-reading {
    display: block;
  }
  .landscape-scenic-strip {
    height: 90px;
    margin-bottom: 24px;
  }
  .landscape-reading .article-rail {
    padding: 0;
    border: 0;
    background: none;
  }
}
@media (max-width: 760px) {
  .landscape-panorama {
    min-height: 280px;
    padding: 30px 24px;
  }
  .panorama-copy {
    max-width: 100%;
  }
  .landscape-panorama h1 {
    font-size: 34px;
    max-width: 10em;
  }
  .panorama-copy > p {
    max-width: 24em;
    font-size: 12px;
  }
  .panorama-caption {
    right: 16px;
    bottom: 14px;
    font-size: 10px;
  }
  .landscape-valley {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }
  .landscape-trail {
    order: 0;
    width: 100%;
  }
  .landscape-workspace .home-rail {
    order: 1;
    width: 100%;
    padding: 0;
    border: 0;
    background: none;
  }
  .landscape-entries .landscape-entry {
    padding: 24px;
  }
  .landscape-entry:first-child {
    display: flex;
  }
  .landscape-entry:first-child .trail-waypoint {
    width: 40px;
    height: 40px;
    font-size: 12px;
    margin-bottom: 16px;
  }
  .landscape-entry:first-child h2 {
    font-size: 26px;
  }
  .landscape-journal {
    padding: 24px 20px;
  }
}
.landscape-workspace.theme-home {
  width: 100%;
  max-width: none;
  padding-top: 0;
}
.landscape-workspace.theme-home .landscape-valley {
  width: calc(100% - 72px);
  max-width: 1300px;
  margin: 36px auto 0;
}
@media (max-width: 980px) {
  .landscape-workspace.theme-home .landscape-valley {
    width: calc(100% - 48px);
  }
}
@media (max-width: 760px) {
  .landscape-workspace.theme-home .landscape-valley {
    width: calc(100% - 32px);
    margin-top: 24px;
  }
}