:root{color-scheme:light;color:#183532;font-synthesis:none;--ink:#183532;--paper:#f7f3e8;--green:#2f7068;--light-green:#9bcf68;--red:#e85d45;--yellow:#f2c94c;--blue:#4c77a8;--line:3px solid var(--ink);background:#dfe5df;font-family:Microsoft YaHei,PingFang SC,system-ui,sans-serif}*{box-sizing:border-box;letter-spacing:0}html{background:#dfe5df;min-width:320px}body{background-color:#dfe5df;background-image:linear-gradient(#cbd4cd 1px,#0000 1px),linear-gradient(90deg,#cbd4cd 1px,#0000 1px);background-size:28px 28px;min-width:320px;min-height:100vh;margin:0;overflow-x:hidden}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline-offset:3px;outline:4px solid #4b8ddb}[hidden]{display:none!important}.eyebrow{color:#4b625f;text-transform:uppercase;margin:0 0 7px;font-size:.75rem;font-weight:800}.icon-button{border:2px solid var(--ink);background:var(--paper);cursor:pointer;width:42px;height:42px;box-shadow:3px 3px 0 var(--ink);border-radius:6px;place-items:center;padding:0;display:inline-grid}.icon-button:hover{box-shadow:2px 2px 0 var(--ink);transform:translate(1px,1px)}.primary-button,.secondary-button,.danger-button{border:2px solid var(--ink);cursor:pointer;min-height:42px;box-shadow:3px 3px 0 var(--ink);border-radius:6px;justify-content:center;align-items:center;gap:8px;font-weight:800;display:inline-flex}.primary-button{background:var(--yellow);padding:10px 20px}.secondary-button{background:#dfe9e3;padding:9px 16px}.danger-button{color:#6f2014;background:#ffd8cf;padding:10px 16px}.primary-button:disabled,.secondary-button:disabled,.danger-button:disabled{cursor:not-allowed;opacity:.48;box-shadow:none}.quiz-gate{z-index:100;background:#173f3a radial-gradient(circle at 1px 1px,#55766f 1px,#0000 1px) 0 0/22px 22px;place-items:center;min-height:100dvh;padding:24px;display:grid;position:fixed;inset:0}.quiz-paper{border:4px solid var(--ink);background:var(--paper);border-radius:4px;width:min(540px,100%);padding:clamp(28px,7vw,56px);position:relative;transform:rotate(-.8deg);box-shadow:14px 14px #0b2824}.quiz-paper:before{content:"";pointer-events:none;border:1px dashed #74837e;position:absolute;inset:12px}.quiz-stamp{border:3px solid var(--red);color:var(--red);padding:7px 10px;font-weight:900;position:absolute;top:20px;right:18px;transform:rotate(9deg)}.quiz-paper h1{max-width:420px;margin:0 0 28px;font-size:clamp(1.65rem,5vw,2.6rem);line-height:1.25}.quiz-options{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.quiz-options button{border:2px solid var(--ink);cursor:pointer;min-height:50px;box-shadow:3px 3px 0 var(--ink);background:#fff;border-radius:4px;justify-content:center;align-items:center;gap:7px;padding:10px;font-weight:800;display:flex}.quiz-options button:hover{background:#d8ebcc}.quiz-options button[data-answer=hundred]{background:#ffe58a}.quiz-options button.is-wrong{background:#ffd5cc;animation:.24s linear wrong-shake}.quiz-feedback{color:#405753;min-height:45px;margin:22px 0 0;line-height:1.55}.quiz-feedback.is-error{color:#a12f1e;font-weight:700}.app-frame{width:min(1240px,100%);min-height:100dvh;margin:0 auto;padding:16px 18px 104px}.app-toolbar{z-index:15;justify-content:space-between;align-items:center;gap:20px;min-height:58px;margin-bottom:12px;display:flex;position:relative}.brand-mark{color:var(--ink);align-items:center;gap:9px;text-decoration:none;display:inline-flex}.brand-mark span{border:2px solid var(--ink);background:var(--red);color:#fff;border-radius:50%;place-items:center;width:40px;height:40px;font-size:1.15rem;font-weight:900;display:grid}.toolbar-actions{align-items:center;gap:10px;display:flex}.score-chip{border:2px solid var(--ink);background:var(--yellow);height:42px;box-shadow:3px 3px 0 var(--ink);border-radius:6px;align-items:center;gap:6px;margin:0;padding:0 13px;display:inline-flex}.sound-icon-on{display:none}#sound-toggle[aria-pressed=true] .sound-icon-on{display:block}#sound-toggle[aria-pressed=true] .sound-icon-off{display:none}.room-heading{justify-content:space-between;align-items:end;gap:20px;margin-bottom:12px;display:flex}.room-heading h1{margin:0;font-size:clamp(1.4rem,3vw,2.25rem)}.room-status{color:#405753;align-items:center;gap:8px;margin:0 0 4px;font-size:.84rem;font-weight:700;display:flex}.room-status span{border:2px solid var(--ink);background:#69c06a;border-radius:50%;width:10px;height:10px}.room-stage{isolation:isolate;aspect-ratio:16/9;border:4px solid var(--ink);background:#d9ba67;border-radius:6px;width:100%;min-height:480px;position:relative;overflow:hidden;box-shadow:10px 10px #18353238}.room-wall{z-index:-3;background:#b9c4b6 linear-gradient(#aab5a8 1px,#0000 1px) 0 0/100% 48px;position:absolute;inset:0 0 29%}.room-wall:after{content:"";background:#81a7a1;border:7px solid #325b59;width:22%;height:48%;position:absolute;bottom:12%;right:5%;box-shadow:inset 0 0 0 4px #d8e0dc}.room-floor{z-index:-2;border-top:7px solid var(--ink);transform-origin:top;background:#b27452 repeating-linear-gradient(90deg,#0000 0 15%,#8f5c43 15% 15.7%);height:30%;position:absolute;bottom:0;left:0;right:0}.wall-seam{background:#18353226;width:2px;height:100%;position:absolute;top:0}.wall-seam-one{left:28%}.wall-seam-two{left:63%}.hanging-wire{background:var(--ink);width:3px;height:18%;position:absolute;top:0;left:48%}.ceiling-lamp{border:4px solid var(--ink);background:var(--yellow);border-radius:50% 50% 5px 5px;width:70px;height:35px;position:absolute;top:16%;left:calc(48% - 34px)}.ceiling-lamp span{border:3px solid var(--ink);background:#fff4b0;border-radius:50%;width:20px;height:20px;position:absolute;bottom:-21px;right:20px}.room-object{border:var(--line);color:var(--ink);cursor:pointer;border-radius:5px;margin:0;transition:transform .14s,filter .14s;position:absolute;box-shadow:5px 6px #18353247}.room-object:hover{z-index:5;filter:brightness(1.05);transform:translateY(-4px)rotate(0)}.archive-box{aspect-ratio:1.35;background:#d7a348;flex-direction:column;justify-content:center;align-items:start;width:clamp(126px,17%,210px);padding:22px 12px 10px;display:flex;bottom:25%;left:8%;transform:rotate(-3deg)}.archive-box .folder-tab{border:var(--line);background:#d7a348;border-bottom:0;width:46%;height:15px;position:absolute;top:-14px;left:13px}.archive-box small,.notice-board small,.game-terminal 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var(--ink);content:"";background:#4d6965;border-top:0;height:26%;position:absolute;bottom:-26%;left:12%;right:12%}.terminal-light{background:#8dff6d;border-radius:50%;width:9px;height:9px;position:absolute;top:8px;right:9px;box-shadow:0 0 8px #8dff6d}.decor-drawer{background:#557ba0;justify-content:center;align-items:center;gap:8px;width:clamp(125px,17%,205px);height:clamp(70px,12%,95px);display:flex;bottom:6%;right:29%;transform:rotate(1deg)}.drawer-handle{border:2px solid var(--ink);background:#d4dcda;border-radius:3px;width:25%;height:7px;position:absolute;top:8px;left:38%}.mascot-object{width:clamp(115px,16%,190px);box-shadow:none;touch-action:none;user-select:none;background:0 0;border:0;bottom:18%;left:43%}.mascot-object svg{filter:drop-shadow(5px 6px #18353238);width:100%;display:block}.mascot-object>span{border:2px solid var(--ink);background:var(--paper);border-radius:4px;padding:3px 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var(--ink);background:var(--paper);border-radius:7px;grid-template-columns:repeat(4,1fr);width:min(440px,100% - 28px);display:grid;position:fixed;overflow:hidden;transform:translate(50%);box-shadow:7px 7px #18353240}.module-dock button{border:0;border-right:2px solid var(--ink);cursor:pointer;background:0 0;place-items:center;min-width:0;height:64px;padding:7px 5px;display:grid}.module-dock button:last-child{border-right:0}.module-dock button:hover{background:#dce9df}.module-dock svg{width:22px;height:22px}.module-dock span{font-size:.72rem;font-weight:800}.module-dialog{border:4px solid var(--ink);background:var(--paper);width:min(920px,100% - 28px);max-height:min(820px,100dvh - 28px);color:var(--ink);border-radius:6px;padding:0;overflow:hidden;box-shadow:12px 12px #081e1c8c}.module-dialog::backdrop{backdrop-filter:blur(3px);background:#0e2320bd}.dialog-header{z-index:4;border-bottom:3px solid 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12px;font-size:.75rem}.service-note,.privacy-note{color:#5a6d68;font-size:.78rem;line-height:1.5}.form-status{min-height:24px;margin-bottom:0;font-size:.82rem;font-weight:700}.section-line{justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.section-line h3{margin:0}.message-list{gap:12px;display:grid}.message-card{border:2px solid var(--ink);background:#fff;border-radius:5px;padding:14px 15px;box-shadow:3px 3px #b4c0b9}.message-card header{justify-content:space-between;align-items:baseline;gap:10px;display:flex}.message-card time{color:#667873;font-size:.68rem}.message-card p{overflow-wrap:anywhere;margin:8px 0 0;line-height:1.55}.empty-state{text-align:center;color:#526863;border:2px dashed #768782;padding:25px 12px}.terminal-header{color:#d8ff8a;background:#1d3432}.terminal-header .icon-button{background:#d8ff8a}.game-console{color:#d8ff8a;background:#142a28 repeating-linear-gradient(0deg,#0000 0 3px,#a4ff8209 3px 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#071c1a}.memory-card:after{color:#8db782;content:"?";font-size:1.1rem;font-weight:900}.memory-card.is-flipped,.memory-card.is-matched{color:#142a28;background:#eef4d7}.memory-card.is-flipped:after,.memory-card.is-matched:after{display:none}.memory-card.is-matched{border-color:var(--yellow);opacity:.72}.game-actions{justify-content:space-between;align-items:center;gap:18px;margin-top:20px;display:flex}.game-actions p{text-align:right;margin:0}.decor-toolbar{border-bottom:2px solid var(--ink);justify-content:space-between;align-items:center;gap:16px;padding:18px clamp(16px,4vw,32px);display:flex}.decor-toolbar p{margin:0}.decor-filter{border:2px solid var(--ink);border-radius:4px;display:flex;overflow:hidden}.decor-filter button{border:0;border-right:1px solid var(--ink);cursor:pointer;background:#fff;min-height:36px;padding:0 10px}.decor-filter button:last-child{border-right:0}.decor-filter button[aria-pressed=true]{background:var(--yellow);font-weight:800}.decor-shop{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;max-height:calc(100dvh - 190px);padding:clamp(18px,4vw,32px);display:grid;overflow-y:auto}.decor-card{border:2px solid var(--ink);text-align:center;background:#fff;border-radius:5px;grid-template-rows:1fr auto auto;place-items:center;min-height:176px;padding:15px;display:grid}.decor-card[hidden]{display:none}.decor-asset{aspect-ratio:1;border:3px solid var(--ink);background:#cce7c5;border-radius:50%;place-items:center;width:72px;font-size:1.25rem;font-weight:900;display:grid;transform:rotate(-3deg)}.decor-card:nth-child(3n+2) .decor-asset{background:#ffe58a;transform:rotate(3deg)}.decor-card:nth-child(3n) .decor-asset{background:#ffd0c6}.decor-card h3{margin:9px 0 7px;font-size:.94rem}.decor-card button{border:2px solid var(--ink);cursor:pointer;background:#e5ece7;border-radius:4px;width:100%;min-height:38px;font-weight:800}.decor-card 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strong{display:none}.score-chip{padding-inline:9px}.room-stage{min-height:540px}.room-object strong{font-size:.78rem}.room-object small{font-size:.62rem}.module-dialog{width:calc(100% - 12px);max-height:calc(100dvh - 12px)}.archive-scroll{padding-inline:18px}.archive-entry{grid-template-columns:43px minmax(0,1fr);gap:12px}.archive-index{width:40px;height:40px;font-size:.75rem}.memory-board{--game-columns:4!important}.game-actions{flex-direction:column;align-items:stretch}.game-actions p{text-align:left}.decor-shop{grid-template-columns:1fr 1fr;gap:9px;padding:12px}.decor-card{min-height:165px;padding:10px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}