:root {
  color-scheme: dark;
  --forest: #123b2c;
  --forest-deep: #0a271f;
  --cream: #f7efdb;
  --muted: #b5c4b5;
  --gold: #edc774;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--cream);
  background: var(--forest-deep);
  font-synthesis: none;
}
* { box-sizing: border-box; }
body { margin: 0; min-width: 280px; background: radial-gradient(ellipse at 50% 0, #28563b 0, #123b2c 45%, #0a271f 100%); }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
button, a { touch-action: manipulation; }
button:focus-visible, a:focus-visible { outline: 3px solid var(--gold); outline-offset: 5px; }
[hidden] { display: none !important; }
.cover { max-width: 1280px; min-height: 100svh; margin: 0 auto; padding: 0 clamp(18px, 3.6vw, 60px) 25px; }
.masthead { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.identity { display: flex; align-items: center; gap: 13px; }
.island-mark { flex: none; }
h1 { margin: 0; font-size: 21px; font-weight: 750; letter-spacing: .08em; }
.edition { display: inline-flex; align-items: center; flex: none; padding: 3px 7px 4px; color: #f4d59b; border: 1px solid #d8af5c77; border-radius: 3px; font-size: 11px; font-weight: 500; letter-spacing: .13em; line-height: 1.3; white-space: nowrap; }
.poster-link { color: #d7dfcb; text-decoration: none; font-size: 12px; white-space: nowrap; padding: 12px 0 12px 12px; }
.poster-link span { display: inline-block; margin-left: 8px; font-size: 17px; color: var(--gold); }
.poster-link:hover { color: var(--gold); }
.island-card { overflow: hidden; border: 1px solid #e3d19035; border-radius: 11px; box-shadow: 0 20px 80px #021a1566; background: #11382b; }
.key-art { position: relative; margin: 0; background: #448b78; }
.key-art img { display: block; width: 100%; height: auto; }
.key-art figcaption { position: absolute; right: 15px; bottom: 13px; padding: 5px 8px; border: 1px solid #eff2d226; border-radius: 3px; color: #f1eddd; background: #103225bd; font-size: 10px; line-height: 1.3; letter-spacing: .03em; }
.welcome { display: flex; align-items: center; justify-content: space-between; gap: 36px; padding: 25px 31px 24px; background: linear-gradient(115deg, #163e2e, #0f3127); }
.welcome-copy { max-width: 660px; }
.invitation { margin: 0 0 8px; color: var(--cream); font-size: clamp(18px, 1.8vw, 23px); font-weight: 650; letter-spacing: .035em; line-height: 1.5; }
.description { margin: 0; color: #bfceba; font-size: 12px; line-height: 1.9; }
.launch { min-width: 265px; flex: 0 0 27%; }
.enter-game { display: flex; align-items: center; justify-content: center; gap: 28px; width: 100%; min-height: 55px; padding: 14px 22px; border: 1px solid #ffe5a4; border-radius: 5px; color: #254125; background: linear-gradient(#f2d693, #e9bd65); box-shadow: inset 0 1px 0 #fff0b7, 0 4px 0 #856329, 0 8px 18px #031a1555; font-size: 17px; font-weight: 750; letter-spacing: .09em; cursor: pointer; transition: filter .15s, transform .15s; }
.enter-game svg, .toolbar-button svg { fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.enter-game:hover { filter: brightness(1.08); transform: translateY(-1px); }
.enter-game:active { transform: translateY(2px); }
.launch-note { margin: 12px 0 0; color: #b9cbb6; font-size: 10px; text-align: center; line-height: 1.6; }
.controls { display: flex; align-items: center; gap: 34px; padding: 24px 16px 19px; }
.controls h2 { flex: none; margin: 0; color: #ded8b7; font-size: 12px; font-weight: 600; letter-spacing: .13em; }
.controls dl { display: flex; flex: 1; align-items: center; justify-content: space-between; gap: 20px; margin: 0; }
.controls dl > div { display: flex; align-items: center; gap: 11px; }
.controls dt { display: flex; align-items: center; gap: 4px; }
.controls dd { margin: 0; color: #b9c9b8; font-size: 11px; white-space: nowrap; }
kbd { display: inline-flex; align-items: center; justify-content: center; width: 22px; height: 24px; border: 1px solid #d6dfbf33; border-bottom-width: 2px; border-radius: 4px; color: #ebead8; background: #e5efcd08; font: 11px -apple-system, BlinkMacSystemFont, sans-serif; }
.key-word { font-size: 11px; color: #e5e8d4; }
.time-keys { color: #e8dab3; font-size: 14px; white-space: nowrap; }
.cover-footer { display: flex; justify-content: space-between; gap: 20px; padding-top: 15px; border-top: 1px solid #c4d0a31c; color: #91a895; font-size: 10px; line-height: 1.8; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.noscript-note { margin: 16px; padding: 12px; background: #f2d693; color: #163e2e; text-align: center; }
body.playing { overflow: hidden; }
.player { position: fixed; inset: 0; display: flex; flex-direction: column; background: #0a1812; }
.player-toolbar { flex: 0 0 auto; display: flex; align-items: center; justify-content: space-between; min-height: 48px; padding: 5px 13px; gap: 15px; background: #103226; border-bottom: 1px solid #ddcb873b; }
.player-title { display: flex; align-items: center; gap: 10px; font-size: 14px; letter-spacing: .05em; }
.toolbar-button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 34px; padding: 7px 10px; border: 1px solid #d4d8b633; border-radius: 4px; background: #f1eec708; color: #e5e6d2; font-size: 11px; white-space: nowrap; cursor: pointer; }
.toolbar-button:hover { background: #f1eec718; border-color: #d4d8b666; }
.game-host { position: relative; flex: 1 1 auto; min-height: 0; background: #000; }
.game-host iframe { display: block; width: 100%; height: 100%; border: 0; background: #000; }
.player-note { flex: none; margin: 0; padding: 6px 12px max(6px, env(safe-area-inset-bottom)); color: #a8baa7; background: #103226; font-size: 10px; line-height: 1.5; text-align: center; }
.player:fullscreen { width: 100%; height: 100%; }
@media (min-width: 1600px) { .cover { padding-top: 15px; } }
@media (max-width: 1050px) {
  .controls { gap: 25px; padding-inline: 5px; }
  .controls dl { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 28px; }
  .welcome { padding: 22px; gap: 25px; }
  .launch { min-width: 240px; }
}
@media (max-width: 680px) {
  .cover { padding-inline: 14px; padding-bottom: 18px; }
  .masthead { min-height: 70px; gap: 10px; }
  .identity { gap: 8px; }
  .island-mark { width: 27px; height: 27px; }
  h1 { font-size: 16px; letter-spacing: .025em; }
  .identity .edition { font-size: 9px; padding: 3px 4px; letter-spacing: .05em; }
  .poster-link { font-size: 10px; padding-left: 0; }
  .poster-link span { margin-left: 2px; font-size: 14px; }
  .island-card { border-radius: 7px; }
  .key-art figcaption { right: 6px; bottom: 6px; font-size: 8px; padding: 3px 5px; }
  .welcome { display: block; padding: 21px 20px 20px; }
  .invitation { font-size: 19px; line-height: 1.6; }
  .description { font-size: 12px; }
  .launch { min-width: 0; margin-top: 23px; }
  .enter-game { min-height: 52px; }
  .launch-note { font-size: 10px; }
  .controls { display: block; padding: 23px 5px 19px; }
  .controls h2 { margin-bottom: 17px; }
  .controls dl { gap: 17px 16px; }
  .controls dl > div { flex-wrap: wrap; gap: 7px; }
  .controls dt { min-height: 24px; }
  .controls dd { font-size: 10px; }
  .cover-footer { display: block; font-size: 9px; }
  .cover-footer span { display: block; }
  .player-title { font-size: 12px; }
  .player-title .edition { display: none; }
  .player-toolbar { gap: 7px; padding-inline: 7px; }
  .toolbar-button { padding-inline: 8px; }
  .player-note { font-size: 9px; }
}
@media (max-width: 380px) {
  .identity .island-mark { display: none; }
  .controls dl > div { display: block; }
  .controls dd { margin-top: 7px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; } }