:root {
  --bg: #e6eee2;
  --paper: #f4f7f0;
  --ink: #1f3322;
  --ink-soft: #4e6552;
  --moss: #3d6b39;
  --bark: #6b4a2f;
  --leaf: #8dbb6c;
  --sky: #d3e6ea;
  --line: #c2d2bd;
  --serif: "Songti SC", "STSong", "SimSun", "Noto Serif CJK SC", "Source Han Serif SC", serif;
  --sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #132019;
    --paper: #1a2a21;
    --ink: #dce8d6;
    --ink-soft: #a3b9a5;
    --moss: #7fb86f;
    --bark: #b48a64;
    --leaf: #a6d488;
    --sky: #1d3340;
    --line: #2d4535;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.9 var(--serif); }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--moss); outline-offset: 3px; }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.top, main, .foot { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.top { padding-top: 48px; padding-bottom: 20px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 32px; }
.site-name {
  text-wrap: balance; margin: 0; font-size: clamp(2.2rem, 7vw, 4rem); font-weight: 700; letter-spacing: .04em; line-height: 1.15; color: var(--moss); }
.lede { margin: 0; max-width: 26em; color: var(--ink-soft); }

.stage { position: relative; border-radius: 28px 28px 6px 6px; overflow: hidden; background: var(--sky); border: 1px solid var(--line); }
#forest { display: block; width: 100%; height: clamp(260px, 46vw, 440px); cursor: crosshair; touch-action: manipulation; }
.counter {
  position: absolute; left: 16px; top: 12px; margin: 0;
  font: 15px/1.5 var(--sans); background: var(--paper); padding: 4px 12px; border-radius: 999px;
}
.counter strong { color: var(--moss); font-size: 1.1em; }
.stage-bar { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; justify-content: space-between; padding: 14px 0 40px; }
.stage-bar p { margin: 0; color: var(--ink-soft); max-width: 34em; }
.btns { display: flex; gap: 10px; flex-wrap: wrap; }
button {
  font: 15px/1.4 var(--sans); cursor: pointer; padding: 9px 18px; border-radius: 10px;
  border: 0; background: var(--moss); color: var(--paper);
  box-shadow: 0 3px 0 var(--bark);
  transition: transform .12s ease, box-shadow .12s ease;
}
button:active { transform: translateY(3px); box-shadow: 0 0 0 var(--bark); }
button.alt { background: var(--paper); color: var(--ink); box-shadow: 0 3px 0 var(--line); }

h2 { font-size: 1.6rem; margin: 0 0 18px; }
.log { padding-bottom: 40px; }
.tags { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.tags li {
  position: relative; background: var(--paper); padding: 22px 22px 16px 26px;
  border-left: 6px solid var(--bark);
  border-radius: 4px 16px 16px 4px;
}
.tags li::before {
  content: ""; position: absolute; left: -15px; top: 22px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--bark);
}
.tags h3 { margin: 0 0 6px; font-size: 1.15rem; line-height: 1.5; }
.tags p { margin: 0 0 8px; }
.kind { font: 13px/1.4 var(--sans); color: var(--moss); }
.meta { font: 13px/1.4 var(--sans); color: var(--ink-soft); }

.rings { padding: 8px 0 48px; }
dl { margin: 0; display: grid; grid-template-columns: 10em 1fr; gap: 10px 24px; max-width: 46em; }
dt { font-weight: 700; color: var(--moss); }
dd { margin: 0; color: var(--ink-soft); }

.foot { border-top: 1px solid var(--line); padding-top: 18px; padding-bottom: 32px; font: 14px/1.7 var(--sans); color: var(--ink-soft); }
.foot p { margin: 2px 0; }

@media (max-width: 720px) {
  .tags { grid-template-columns: 1fr; }
  dl { grid-template-columns: 1fr; gap: 2px; }
  dd { margin-bottom: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}