:root{--bg: #0b1630;--night-2: #16294f;--night-3: #22406f;--panel: rgba(11, 22, 48, .86);--paper: #f6f2e8;--ink: #1c2c5c;--ink-soft: #4a5a86;--gold: #f3c96b;--gold-deep: #d9a441;--gold-light: #ffe9b0;--accent: #ff9a2e;--lacquer: #c8342a;--text: #f7efe0;--muted: #9fb0d0;color-scheme:dark;--font-display: "Georgia", "Iowan Old Style", "Times New Roman", "Songti SC", "STSong", "SimSun", serif}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}body{background:var(--bg);color:var(--text);font-family:system-ui,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;overflow:hidden}.scene{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}.wall-layout{position:relative;z-index:1;height:100%;display:grid;grid-template-rows:minmax(0,1fr) auto;gap:2cqh;padding:3cqh 3cqw 5cqh;overflow:hidden}.board-card{min-width:0;min-height:0;height:100%;padding:0 1.6cqw;display:flex;flex-direction:column;color:var(--ink)}.qr-panel{z-index:1;align-self:center;margin-right:4cqw;display:flex;flex-direction:column;align-items:center;gap:1.5cqh;background:#0b16308c;border:1px solid rgb(243 201 107 / 34%);border-radius:2cqh;padding:2.5cqh}.qr-code{width:18cqh;height:18cqh;background:#fff;border-radius:1cqh;padding:1cqh}.qr-code svg{width:100%;height:100%;display:block}.qr-caption{margin:0;text-align:center;font-size:2.2cqh;line-height:1.4;color:var(--text)}.highscore-banner{position:absolute;z-index:2;top:4cqh;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:1.5cqw;padding:2cqh 4cqw;background:linear-gradient(180deg,var(--gold-light) 0%,var(--gold-deep) 100%);color:#35240a;font-family:var(--font-display);font-size:4cqh;font-weight:700;border-radius:2cqh;box-shadow:0 0 6cqh #f3c96b8c;animation:pop .4s ease}.hs-emoji{font-size:5cqh}@keyframes pop{0%{transform:translate(-50%) scale(.7);opacity:0}to{transform:translate(-50%) scale(1);opacity:1}}.status{margin:auto;font-size:3.6cqh;color:var(--ink-soft)}.board{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden;-webkit-mask-image:linear-gradient(to bottom,#000 calc(100% - 4cqh),transparent 100%);mask-image:linear-gradient(to bottom,#000 calc(100% - 4cqh),transparent 100%)}.row{display:grid;grid-template-columns:1em minmax(0,1fr) auto auto;align-items:center;column-gap:.85em;height:7.24cqh;flex:none;padding:0 .4em;font-family:var(--font-display);font-size:4.2cqh;font-weight:700;line-height:1;color:var(--ink)}.rank{font-size:.8em;font-weight:700;color:var(--gold-deep);text-align:right;font-variant-numeric:tabular-nums}.nick{font-weight:700;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.time{font-size:.55em;font-weight:700;color:var(--ink-soft);font-variant-numeric:tabular-nums;min-width:4ch;text-align:right}.score{font-weight:700;color:var(--ink-soft);min-width:2ch;text-align:left;font-variant-numeric:tabular-nums}.empty{margin:auto;color:var(--ink-soft);font-size:3.4cqh}.slide{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2cqh;height:100%;padding:4cqh 5cqw;text-align:center}.slide-header{display:flex;align-items:center;justify-content:space-between;width:100%;font-size:3.5cqh;font-variant-numeric:tabular-nums;color:var(--muted)}.q-timer{font-size:7cqh;font-weight:800;color:var(--gold)}.q-timer.urgent{color:var(--accent);animation:pulse 1s ease-in-out infinite}@keyframes pulse{50%{transform:scale(1.15)}}.q-text-cn{margin:0;font-size:7cqh;font-weight:700;line-height:1.2}.q-text-en{margin:0;font-size:5cqh;font-weight:500;color:var(--muted);line-height:1.25}.q-options{display:grid;grid-template-columns:repeat(2,1fr);gap:2cqh 3cqw;width:100%;margin:2cqh 0 0;padding:0;list-style:none}.q-option{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;gap:0 1.5cqw;align-items:center;padding:2cqh 2cqw;border:.3cqh solid rgba(255,255,255,.15);border-radius:1.5cqh;background:#ffffff0a;text-align:left}.q-label{grid-row:1 / span 2;font-size:6cqh;font-weight:800;color:var(--gold)}.q-option-cn{font-size:4cqh;font-weight:600}.q-option-en{font-size:3cqh;color:var(--muted)}.slide-title-cn{margin:0;font-size:6cqh;font-weight:700}.slide-title-en{margin:0;font-size:4cqh;font-weight:500;color:var(--muted)}.big-countdown{margin:0;font-size:18cqh;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums;line-height:1}.huge-countdown{margin:0;font-size:40cqh;font-weight:800;color:var(--gold);line-height:1;animation:countdown-pop 1s ease-out}@keyframes countdown-pop{0%{transform:scale(.4);opacity:0}}.joined-count{margin:0;font-size:8cqh;font-weight:800;color:var(--accent)}.joined-label{font-size:3cqh;font-weight:500;color:var(--muted)}.slide-hint{margin:0;font-size:3cqh;color:var(--muted)}.boards{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:1cqw;min-width:0;min-height:0}.wall-frame{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:#fff}.wall{position:relative;width:min(100vw,calc(100vh * 16 / 9));height:min(100vh,56.25vw);overflow:hidden;background:radial-gradient(50% 60% at 50% 6%,#ffe9b038,#ffe9b000 60%),radial-gradient(90% 46% at 50% 104%,#f3c96b29,#c8342a14 42%,#0b163000 72%),linear-gradient(180deg,var(--bg) 0%,var(--night-2) 58%,var(--night-3) 100%);container-type:size}.wall-art{background-size:cover;background-position:center;background-repeat:no-repeat}.lantern-hang{position:absolute;inset:0;z-index:1;pointer-events:none;animation-name:sway;animation-timing-function:ease-in-out;animation-iteration-count:infinite;animation-direction:alternate}.lantern{position:absolute;transform:translate(-50%)}:root{--sway: .9deg}@keyframes sway{0%{transform:rotate(calc(-1 * var(--sway)))}to{transform:rotate(var(--sway))}}.qr-spot{position:absolute;z-index:2;transform:translate(-50%,-50%);aspect-ratio:1;background:#fff;padding:.6%;box-shadow:0 .4cqh 1.2cqh #140a2459;pointer-events:auto}.qr-spot-code,.qr-spot-code svg{display:block;width:100%;height:100%}.build-tag{position:absolute;z-index:3;left:.6cqw;bottom:.4cqh;margin:0;font-family:ui-monospace,Cascadia Mono,Menlo,Consolas,monospace;font-size:1.1cqh;line-height:1;color:#f7efe061;text-shadow:0 0 .4cqh rgb(4 10 26 / 80%);pointer-events:none;-webkit-user-select:none;user-select:none}.wall-cta{position:absolute;z-index:1;right:3cqw;bottom:4cqh;padding:1.4cqh 2.4cqw;border:.3cqh solid var(--gold);border-radius:999px;background:linear-gradient(180deg,var(--night-3) 0%,var(--night-2) 100%);color:var(--gold-light);font-family:var(--font-display);font-size:2.6cqh;font-weight:700;letter-spacing:.04em;cursor:pointer;box-shadow:0 .6cqh 1.8cqh #0c082073}.wall-cta:hover,.wall-cta:focus-visible{background:linear-gradient(180deg,#343a82,#22285e)}.board-page .wall-cta{right:1.6cqw;bottom:1.6cqh;padding:.9cqh 1.6cqw;font-size:1.9cqh;opacity:.82}.key-gate{position:absolute;z-index:1;top:50%;left:50%;transform:translate(-50%,-50%);width:min(74cqw,100%);padding:5cqh 5cqw;border:.3cqh solid var(--gold);border-radius:3cqh;background:#040a1af0;text-align:center;box-shadow:0 2cqh 6cqh #040a1a8c}.key-gate-title{margin:0 0 2cqh;font-family:var(--font-display);font-size:5.4cqh;font-weight:700;color:var(--gold-light)}.key-gate-title-en,.key-gate-text-en{display:block;font-size:.62em;color:var(--text)}.key-gate-text{margin:0 0 3cqh;font-size:3cqh;line-height:1.45;color:var(--text)}.key-gate-url{margin:0 0 3cqh;padding:1.6cqh 2cqw;border-radius:1.5cqh;background:#f3c96b1f;font-family:ui-monospace,Cascadia Mono,Menlo,Consolas,monospace;font-size:3.4cqh;color:var(--gold);word-break:break-all}.key-gate-hint{margin:0;font-size:2.4cqh;line-height:1.45;color:var(--muted)}.wall-notice{position:absolute;z-index:1;inset:40% 10% auto;margin:0;text-align:center;font-size:3cqh;color:var(--gold-light);text-shadow:0 .3cqh 1cqh rgb(4 10 26 / 70%)}.board-art{position:absolute;inset:0;z-index:1;pointer-events:none;background-size:cover;background-position:center;background-repeat:no-repeat}.board-page{position:absolute;z-index:2;inset:0;display:flex;flex-direction:column;align-items:center;padding:20.2cqh 6.4cqw 7.4cqh}.board-page.is-bare{padding-top:4cqh}.board-page.is-bare .board-card{padding:2cqh 1.6cqw;border-radius:4.5cqh;background:var(--paper);box-shadow:0 1.2cqh 3cqh #040a1a61}.board-page-title{margin:0 0 2cqh;font-family:var(--font-display);font-size:6cqh;font-weight:700;color:var(--gold-light);text-shadow:0 .3cqh 1cqh rgb(4 10 26 / 70%)}.board-panel{display:grid;grid-template-columns:41.6% 41.6%;justify-content:space-between;width:100%;min-height:0;flex:1}