:root{--tinta: #2b1d1a;--papel: #fff9f5;--hueso: #f0eae6;--piedra: #7a6b62;--petroleo: #2f6b73;--turquesa: #44989d;--jade: #3a7a6d;--espuma: #cddfdd;--berenjena: #4a2f5b;--jacaranda: #7a63a8;--glicina: #a898c9;--lila: #e8e4f1;--line: rgba(43, 29, 26, .12);--shadow: 0 10px 30px rgba(43, 29, 26, .16);--r-tag: 14px;--r-card: 28px;--sky: linear-gradient(180deg, #bcd6dc 0%, #e4e0d4 52%, #ecd2b4 100%);--sky-axo: linear-gradient(180deg, #fff9f5 0%, #e8e4f1 100%);--sky-city: linear-gradient(180deg, #a9c9d6 0%, #e3dccb 55%, #e8c9a2 100%);--font-title: Fredoka, "Nunito Sans", system-ui, sans-serif;--font-body: "Nunito Sans", system-ui, sans-serif;--c-teal: var(--petroleo);--c-plum: var(--berenjena);--c-violet: var(--jacaranda);--c-foam: #cddfdd;--panel: rgba(255, 249, 245, .92);--hint-bg: rgba(232, 228, 241, .92);color-scheme:light}:root[data-theme=dark]{--tinta: #f3ece6;--papel: #1f1a26;--hueso: #2a2431;--piedra: #b3a69e;--espuma: #213f45;--lila: #352b47;--glicina: #5d4c80;--line: rgba(255, 249, 245, .12);--shadow: 0 10px 30px rgba(0, 0, 0, .45);--c-teal: #7cc8c9;--c-plum: #cdbfe8;--c-violet: #b7a6e0;--panel: rgba(31, 26, 38, .9);--hint-bg: rgba(53, 43, 71, .92);--sky: linear-gradient(180deg, #0d1b2a 0%, #1d2c40 52%, #3a3350 100%);--sky-axo: linear-gradient(180deg, #1f1a26 0%, #2c2340 100%);--sky-city: linear-gradient(180deg, #0b1724 0%, #1a2a3c 55%, #36304a 100%);color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden}body{font-family:var(--font-body);color:var(--tinta);background:var(--sky);-webkit-font-smoothing:antialiased}body[data-mode=axo]{background:var(--sky-axo)}body[data-mode=city]{background:var(--sky-city)}:lang(zh-Hans) body,html[lang=zh-Hans] body{font-family:Nunito Sans,PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,sans-serif}#scene{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block;touch-action:none}button{font:inherit;color:inherit;cursor:pointer}button:focus-visible,input:focus-visible{outline:3px solid var(--glicina);outline-offset:2px}.topbar{position:fixed;top:16px;left:16px;right:16px;display:flex;align-items:center;justify-content:space-between;gap:16px;pointer-events:none}.topbar>*{pointer-events:auto}.brand{display:flex;align-items:center;gap:12px}.brand .logo{width:44px;height:44px;display:block}.brand h1{font-family:var(--font-title);font-weight:700;font-size:28px;margin:0;line-height:1;color:var(--c-teal)}.brand p{margin:4px 0 0;font-size:13px;color:var(--piedra)}.top-right{display:flex;align-items:center;gap:10px}.modes,.langs{display:flex;background:var(--panel);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:999px;padding:4px;box-shadow:var(--shadow)}.modes button,.langs button{border:0;background:transparent;padding:8px 16px;border-radius:999px;font-family:var(--font-title);font-weight:600;font-size:14px;color:var(--c-teal)}.modes button:hover,.langs button:hover{background:var(--espuma)}.modes button[aria-selected=true]{background:var(--petroleo);color:#fff}.langs button{padding:8px 11px;color:var(--c-plum)}.langs button:hover{background:var(--lila)}.langs button[aria-pressed=true]{background:var(--jacaranda);color:#fff}.links{display:flex;gap:8px}.pill{display:inline-flex;align-items:center;gap:6px;text-decoration:none;border:0;border-radius:999px;padding:9px 14px;box-shadow:var(--shadow);font-family:var(--font-title);font-weight:600;font-size:14px}.pill.donate{background:var(--jacaranda);color:#fff}.pill.donate:hover{background:var(--berenjena)}.pill.about-btn{background:var(--panel);color:var(--c-teal);border:1px solid var(--line)}.pill.about-btn:hover{background:var(--espuma)}.pill.theme-btn{background:var(--panel);color:var(--c-plum);border:1px solid var(--line);padding:8px 10px}:root[data-theme=dark] .pill.theme-btn{color:#f2c66d}.pill.theme-btn:hover{background:var(--lila)}.theme-btn .moon,:root[data-theme=dark] .theme-btn .sun{display:block}.theme-btn .sun,:root[data-theme=dark] .theme-btn .moon{display:none}.logo-dark,:root[data-theme=dark] .logo-light{display:none!important}:root[data-theme=dark] .logo-dark{display:block!important}.pill.about-btn>span:first-child{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--petroleo);color:#fff;font-size:12px;font-weight:700}.about{width:min(520px,calc(100vw - 32px));max-height:calc(100vh - 48px);overflow-y:auto;border:0;border-radius:var(--r-card);padding:28px 28px 24px;background:var(--papel);color:var(--tinta);box-shadow:0 24px 60px #2b1d1a4d}.about::backdrop{background:#4a2f5b73;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.about 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