:root {
  color-scheme: dark;
  --gold: #e8cc8c;
  --ivory: #fff1cf;
  --qr-size: clamp(142px, 12.4vw, 184px);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  color: var(--ivory);
  background: #0c1927;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-width: 280px; min-height: 100%; }
body { min-height: 100svh; }
a { color: inherit; text-decoration: none; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.scene { position: fixed; inset: 0; overflow: hidden; pointer-events: none; }
.scene picture { display: block; width: 100%; height: 100%; }
.scene-art { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 40% 50%; }
.scene-shade { position: absolute; inset: 0; background: linear-gradient(90deg, transparent 43%, rgba(5,17,29,.1) 56%, rgba(5,17,29,.68) 100%), linear-gradient(0deg, rgba(4,13,24,.83), transparent 17%, transparent 88%, rgba(4,13,24,.25)); }
.page { position: relative; display: flex; flex-direction: column; min-height: 100svh; }
.masthead { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: max(26px,env(safe-area-inset-top)) max(4.4vw,22px,env(safe-area-inset-right)) 20px max(4.4vw,22px,env(safe-area-inset-left)); }
.brand { display: inline-flex; align-items: center; gap: 11px; color: #fff0cc; text-shadow: 0 2px 9px #182230; }
.brand:hover { opacity: .85; }
.brand-seal { width: 32px; height: 32px; fill: none; stroke: currentColor; stroke-width: 1; }
.brand>span { font-family: "STSong", "Songti SC", "SimSun", serif; font-size: 17px; letter-spacing: 3px; }
.brand small { display: block; font-family: Georgia, serif; font-size: 8px; letter-spacing: 4.6px; margin-top: 6px; opacity: .75; }
.official { display: flex; align-items: center; gap: 8px; padding: 9px 14px; border: 1px solid rgba(239,219,178,.42); background: rgba(8,25,40,.3); font-size: 11px; letter-spacing: 2px; }
.official>span { width: 4px; height: 4px; border-radius: 50%; background: #eed89e; box-shadow: 0 0 8px #e4b977; }
.opening-announcement { position: absolute; z-index: 1; top: 40svh; left: 11vw; width: 54vw; text-align: left; pointer-events: none; font-family: "STKaiti", "KaiTi", "FangSong", "STSong", serif; }
.opening-announcement time { display: block; margin-bottom: .28em; color: #ffedc7; font-size: clamp(26px,3.6vw,70px); font-weight: 700; line-height: 1.2; letter-spacing: .12em; text-shadow: 0 2px 2px #392011, 0 0 16px rgba(20,10,5,.9); }
.opening-announcement strong { display: block; width: max-content; font-size: clamp(64px,9.3vw,180px); font-weight: 900; line-height: 1.15; letter-spacing: .09em; white-space: nowrap; color: #ffe2a0; text-shadow: 0 3px 2px #49240d, 0 7px 16px rgba(9,11,16,.95); }
.hero { flex: 1; display: flex; align-items: center; justify-content: flex-end; padding: 24px max(4.4vw,22px,env(safe-area-inset-right)) 40px 22px; }
.download-area { width: min(39vw,560px); text-align: center; }
.eyebrow { margin: 0 0 13px; color: #e7d8bd; font-size: 10px; letter-spacing: 5px; text-shadow: 0 2px 10px #162336; }
h1 { margin: 0; line-height: 0; }
.game-logo { display: block; width: 100%; height: auto; margin: 0 auto; filter: drop-shadow(0 2px 2px #18202e) drop-shadow(0 4px 15px rgba(5,15,25,.75)); }
.tagline { margin: 13px 0 0; color: #f5e8cf; font-family: "STSong", "Songti SC", "SimSun", serif; font-size: 19px; letter-spacing: 4px; text-shadow: 0 2px 8px #142332; }
.tagline>span { margin: 0 9px; opacity: .65; }
.download-actions { display: flex; align-items: flex-start; justify-content: center; gap: 28px; margin-top: 32px; }
.download-card { flex: 0 0 var(--qr-size); width: var(--qr-size); }
.qr-frame { position: relative; display: grid; place-items: center; width: 100%; aspect-ratio: 1; padding: 12px; background: #fff9ee; border: 1px solid #e5cfa0; box-shadow: 0 5px 24px rgba(0,10,20,.3), 0 0 0 5px rgba(226,201,145,.06); }
.qr-frame::before, .qr-frame::after { content: ""; position: absolute; inset: -6px; pointer-events: none; border: 1px solid rgba(234,208,157,.45); }
.qr-frame::after { inset: 5px; border-color: rgba(189,155,94,.2); }
.qr-image { display: block; width: 100%; height: 100%; object-fit: contain; background: #fff; }
.qr-placeholder { display: flex; align-items: center; flex-direction: column; gap: 16px; color: #8e7956; }
.qr-placeholder>span { font-size: 11px; letter-spacing: 1px; }
.platform-icon { width: 34px; height: 37px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; opacity: .75; }
.platform-icon circle { fill: currentColor; stroke: none; }
.apple-icon { fill: currentColor; stroke: none; }
.download-button { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; min-height: 47px; margin-top: 17px; padding: 10px 8px; background: linear-gradient(110deg,#eeddb7,#d7b777); border: 1px solid #f0dca8; color: #243039; box-shadow: 0 4px 16px rgba(0,10,20,.22); font-size: 14px; font-weight: 600; white-space: nowrap; transition: transform .2s, box-shadow .2s; }
.download-button.ios { background: rgba(13,31,49,.83); color: #f1ddae; border-color: #d7bb81; }
.download-button svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.download-button:not([aria-disabled="true"]):hover { transform: translateY(-2px); box-shadow: 0 7px 22px rgba(0,10,20,.4); }
.download-button:focus-visible, .brand:focus-visible { outline: 2px solid #fff0bd; outline-offset: 5px; }
.download-button[aria-disabled="true"] { cursor: default; }
.play-button { display: none; width: min(100%,calc(var(--qr-size) * 2 + 28px)); margin: 22px auto 0; background: rgba(13,31,49,.83); color: #f1ddae; border-color: #d7bb81; }
html[data-platform="web"] .play-button { display: flex; }
.button-detail { margin: 10px 0 0; color: #f0e2c8; font-size: 10px; letter-spacing: 1px; text-shadow: 0 1px 5px #101c2d; }
.download-note { margin: 20px 0 0; color: #eadcc4; font-size: 10px; letter-spacing: 2px; line-height: 1.8; text-shadow: 0 1px 5px #101c2d; }
.browser-help { margin: 10px 0 0; color: #ffe0a0; font-size: 11px; line-height: 1.8; }
.footer { display: flex; align-items: center; gap: 12px; margin: 0 max(4.4vw,22px,env(safe-area-inset-right)) 0 max(4.4vw,22px,env(safe-area-inset-left)); padding: 17px 0 max(22px,env(safe-area-inset-bottom)); border-top: 1px solid rgba(226,218,199,.17); color: #c0bdaf; font-size: 10px; letter-spacing: 1px; }
.footer-name { color: #e5d8bb; letter-spacing: 2px; }
.footer-line { width: 1px; height: 10px; background: rgba(231,221,195,.3); }
.copyright { margin-left: auto; font-size: 9px; letter-spacing: .5px; opacity: .75; }
html[data-platform="android"] [data-platform-card="ios"], html[data-platform="ios"] [data-platform-card="android"] { display: none; }
html[data-platform="ios"] .download-button.ios { background: linear-gradient(110deg,#eeddb7,#d7b777); color: #243039; border-color: #f0dca8; }

@media (orientation: portrait) {
  :root { --qr-size: clamp(122px,32vw,190px); }
  .scene-art { object-position: 50% 0%; }
  .scene-shade { background: linear-gradient(90deg,transparent 35%,rgba(6,20,34,.15) 65%,rgba(6,20,34,.5) 100%), linear-gradient(0deg,rgba(4,13,24,.9),transparent 20%,transparent 88%,rgba(4,13,24,.2)); }
  .masthead { padding: max(23px,env(safe-area-inset-top)) max(5vw,18px,env(safe-area-inset-right)) 16px max(5vw,18px,env(safe-area-inset-left)); gap: 10px; }
  .brand { gap: 8px; }
  .brand-seal { width: 27px; height: 27px; }
  .brand>span { font-size: 14px; letter-spacing: 2px; }
  .brand small { font-size: 7px; letter-spacing: 4px; margin-top: 5px; }
  .official { padding: 8px 9px; font-size: 9px; letter-spacing: 1px; }
  .opening-announcement { position: static; width: 100%; margin-top: 12px; text-align: center; }
  .opening-announcement time { margin-bottom: 4px; font-size: clamp(16px,4.3vw,24px); }
  .opening-announcement strong { width: 100%; font-size: clamp(26px,7.5vw,42px); letter-spacing: .1em; }
  .hero { padding: 18svh max(5vw,18px,env(safe-area-inset-right)) 8svh 0; }
  .download-area { width: min(44vw,340px); }
  .hero-heading { position: absolute; top: 8svh; right: max(5vw,18px,env(safe-area-inset-right)); width: min(64vw,440px); }
  .eyebrow { margin-bottom: 9px; font-size: 8px; letter-spacing: 3px; }
  .tagline { margin-top: 10px; font-size: clamp(12px,3.3vw,17px); letter-spacing: 1px; }
  .tagline>span { margin: 0 5px; }
  .download-actions { margin-top: 0; gap: 18px; }
  .download-button { min-height: 44px; font-size: 12px; gap: 6px; margin-top: 14px; padding: 10px 5px; }
  .button-detail { margin-top: 9px; font-size: 9px; }
  .download-note { margin-top: 17px; font-size: 9px; letter-spacing: .5px; }
  .qr-frame { padding: 10px; }
  .qr-placeholder { gap: 13px; }
  .qr-placeholder>span { font-size: 9px; letter-spacing: .5px; }
  .platform-icon { width: 28px; height: 31px; }
  .footer { justify-content: center; flex-wrap: wrap; gap: 9px; margin: 0 max(5vw,18px,env(safe-area-inset-right)) 0 max(5vw,18px,env(safe-area-inset-left)); padding: 14px 0 max(17px,env(safe-area-inset-bottom)); font-size: 8px; }
  .copyright { flex-basis: 100%; text-align: center; margin: 0; font-size: 8px; }
  html[data-platform="web"] .hero { align-items: flex-end; padding-top: 32svh; padding-bottom: 6svh; }
  html[data-platform="web"] .download-area { width: min(90vw,440px); }
  html[data-platform="web"] .download-actions { gap: 20px; }
  html[data-platform="web"] .hero-heading { width: min(64vw,440px); }
  html:not([data-platform="web"]) .hero { align-items: flex-start; padding-top: 0; }
  html:not([data-platform="web"]) .download-area { display: flex; flex-direction: column; align-items: flex-end; width: min(90vw,440px); }
  html:not([data-platform="web"]) .hero-heading { position: static; }
  html:not([data-platform="web"]) .download-actions { width: min(44vw,340px); margin-top: clamp(24px,7svh,60px); }
  html:not([data-platform="web"]) .download-note, html:not([data-platform="web"]) .browser-help { width: min(44vw,340px); }
}
@media (orientation: portrait) and (max-height: 700px) {
  .hero-heading, html[data-platform="web"] .hero-heading { top: 10svh; width: 50vw; }
  .hero-heading .eyebrow, .hero-heading .tagline { display: none; }
}
@media (orientation: landscape) and (max-height: 580px) {
  :root { --qr-size: clamp(92px,26svh,124px); }
  .scene-art { object-position: 40% 0%; }
  .masthead { padding-top: max(12px,env(safe-area-inset-top)); padding-bottom: 10px; }
  .brand-seal { width: 27px; height: 27px; }
  .brand>span { font-size: 14px; }
  .brand small { font-size: 7px; margin-top: 4px; }
  .official { padding: 7px 10px; font-size: 9px; }
  .opening-announcement { top: 40svh; left: 8vw; }
  .opening-announcement time { font-size: clamp(22px,4.5svh,36px); margin-bottom: .15em; }
  .opening-announcement strong { font-size: clamp(48px,13svh,76px); }
  .hero { padding-top: 8px; padding-bottom: 18px; }
  .download-area { width: min(43vw,430px); }
  .eyebrow, .tagline, .download-note { display: none; }
  .game-logo { width: min(100%,340px); }
  .download-actions { margin-top: 14px; gap: 18px; }
  .qr-frame { padding: 7px; }
  .qr-placeholder { gap: 9px; }
  .qr-placeholder>span { font-size: 8px; letter-spacing: 0; }
  .platform-icon { width: 22px; height: 25px; }
  .download-button { min-height: 40px; margin-top: 11px; padding: 8px 5px; font-size: 11px; gap: 3px; }
  .download-button svg { display: none; }
  .button-detail { margin-top: 6px; font-size: 8px; }
  .footer { padding-top: 10px; padding-bottom: max(12px,env(safe-area-inset-bottom)); font-size: 8px; }
}
@media (orientation: landscape) and (max-width: 640px) {
  .masthead { padding-left: max(16px,env(safe-area-inset-left)); padding-right: max(16px,env(safe-area-inset-right)); }
  .hero { padding-left: max(10px,env(safe-area-inset-left)); padding-right: max(16px,env(safe-area-inset-right)); }
  .download-area { width: 45vw; }
  .download-actions { gap: 14px; }
  .brand>span { font-size: 12px; letter-spacing: 1px; }
  .footer { margin: 0 max(16px,env(safe-area-inset-right)) 0 max(16px,env(safe-area-inset-left)); gap: 8px; }
  .footer-name, .footer-line { display: none; }
}
@media (orientation: landscape) and (max-height: 360px) {
  .hero { padding-top: 4px; padding-bottom: 8px; }
  .download-actions { margin-top: 10px; }
  .download-button { margin-top: 9px; }
  .footer { padding-top: 8px; padding-bottom: max(10px,env(safe-area-inset-bottom)); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}