:root{--ink:#173c3b;--soft:#687e79;--cream:#f8f5eb;--paper:#fffef9;--line:#e1e5d9;--accent:#ed8b48;--mint:#d9eee2;--red:#bb483f;--safe-bottom:env(safe-area-inset-bottom,0px);font-family:system-ui,-apple-system,"Microsoft YaHei",sans-serif;color:var(--ink);background:var(--cream);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation;border:0}button:focus-visible{outline:3px solid var(--accent);outline-offset:3px}button:disabled{opacity:.38;cursor:default}h1,h2,p{margin:0}button,input{font-size:16px}[hidden]{display:none!important}.screen{min-height:100vh;min-height:100dvh}.icon-button{width:44px;height:44px;border:1px solid var(--line);border-radius:14px;background:var(--paper);font-size:26px;display:grid;place-items:center;flex-shrink:0}.eyebrow{font-size:11px;letter-spacing:.09em;color:var(--soft);margin-bottom:3px}.home-head{display:flex;align-items:center;gap:12px;padding:24px 24px 16px;max-width:1100px;margin:auto}.brand-mark{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;background:var(--ink);color:var(--cream);font-size:25px;font-weight:800;position:relative}.brand-mark:after{content:"";width:11px;height:11px;border:3px solid var(--accent);border-radius:50%;position:absolute;right:-4px;bottom:-3px}.home-head h1{font-size:23px;letter-spacing:.04em}.home-head .icon-button{margin-left:auto;font-size:21px}.intro{max-width:1052px;margin:4px auto 22px;border-radius:26px;overflow:hidden;background:var(--mint);display:flex;align-items:center;gap:20px;padding:28px 32px;position:relative}.small-tag{font-size:11px;padding:5px 9px;background:#ffffff85;border-radius:20px;display:inline-block;margin-bottom:13px;letter-spacing:.08em}.intro h2{font-size:29px;line-height:1.4;letter-spacing:.04em}.intro p{font-size:13px;color:var(--soft);margin:12px 0 18px}.primary{background:var(--ink);color:white;border-radius:13px;padding:13px 20px;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:30px}.intro-art{width:43%;margin-left:auto;height:215px;position:relative}.intro-art img{width:100%;height:100%;object-fit:cover;border:6px solid var(--paper);border-radius:18px;transform:rotate(4deg)}.art-caption{position:absolute;bottom:-8px;right:10px;background:var(--accent);padding:8px 16px;font-size:12px;border-radius:8px;transform:rotate(-5deg);font-weight:700}.lens{position:absolute;width:63px;height:63px;border:5px solid white;border-radius:50%;top:15px;right:21px;transform:rotate(-22deg)}.lens:after{position:absolute;content:"";height:27px;width:6px;background:white;right:0;bottom:-24px;border-radius:3px}.mode-tabs{display:flex;max-width:1052px;margin:0 auto 28px;gap:12px}.mode-tabs button{display:flex;flex-direction:column;align-items:flex-start;gap:5px;flex:1;border:1px solid var(--line);background:var(--paper);padding:16px 20px;border-radius:15px;text-align:left;position:relative}.mode-tabs button.active{border:2px solid var(--ink);padding:15px 19px;background:#eaf2e8}.mode-tabs button.active:after{content:"✓";position:absolute;right:18px;top:19px;font-size:19px}.mode-tabs b{font-size:15px}.mode-tabs span{font-size:11px;color:var(--soft)}.level-section{max-width:1052px;margin:auto}.section-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.section-title h2{font-size:21px}.section-title>span{font-size:12px;color:var(--soft)}.filters{display:flex;gap:7px;overflow:auto;padding-bottom:15px;scrollbar-width:none}.filters button{font-size:12px;white-space:nowrap;border-radius:30px;padding:8px 15px;background:var(--paper);border:1px solid var(--line)}.filters button.active{background:var(--ink);color:white;border-color:var(--ink)}.level-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.level-card{background:var(--paper);border:1px solid var(--line);padding:0;border-radius:17px;text-align:left;overflow:hidden;position:relative}.level-card img{width:100%;height:auto;aspect-ratio:1672/941;object-fit:cover;display:block;background:var(--mint)}.level-card .card-meta{padding:12px 14px;display:flex;align-items:center;gap:10px}.scene-no{font-size:21px;line-height:1;color:#88a193;font-weight:700;font-variant-numeric:tabular-nums}.card-title{font-size:14px;font-weight:700}.card-status{color:var(--soft);font-size:10px;margin-top:4px}.card-check{margin-left:auto;border-radius:50%;width:24px;height:24px;background:var(--mint);display:grid;place-items:center}.card-badge{position:absolute;top:8px;right:8px;background:#fffef9e8;border-radius:20px;padding:3px 8px;font-size:10px}.home-footer{text-align:center;padding:30px 12px calc(25px + var(--safe-bottom));font-size:11px;color:var(--soft)}
#game{max-width:1400px;margin:auto;display:flex;flex-direction:column;padding:10px 22px calc(10px + var(--safe-bottom));gap:10px}.game-head{display:flex;align-items:center;gap:12px;flex-shrink:0}.game-heading{flex:1}.game-heading h1{font-size:19px;font-weight:650;line-height:1.3}.status-bar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 18px;background:var(--paper);border:1px solid var(--line);border-radius:16px}.status-bar>div:first-child{min-width:53px}.status-bar span{font-weight:750;font-size:22px;font-variant-numeric:tabular-nums}.status-bar small{display:block;font-size:10px;margin-top:2px;color:var(--soft)}.clock{text-align:right;min-width:76px}.clock.urgent span{color:var(--red)}.progress-dots{display:grid;grid-template-columns:repeat(15,1fr);gap:4px;flex:1;max-width:400px}.progress-dots i{height:8px;border-radius:4px;background:#e3e8dd}.progress-dots i.found{background:var(--accent)}.board-area{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:2px;flex:1;align-content:center}.board-wrap{min-width:0}.board-title{display:flex;align-items:center;gap:7px;font-size:11px;color:var(--soft);margin-bottom:7px}.board-title b{display:grid;place-items:center;width:20px;height:20px;border-radius:6px;background:var(--ink);color:white;font-size:11px}.board{width:100%;border:2px solid var(--paper);border-radius:15px;overflow:hidden;background:#deeadc;position:relative;touch-action:none;user-select:none;cursor:crosshair}.board::before{content:"";display:block;padding-top:56.28%}.board canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}.board-loading{position:absolute;inset:0;display:grid;place-items:center;color:var(--soft);font-size:12px;background:var(--mint)}.board.ready .board-loading{display:none}.gesture-note{font-size:11px;color:var(--soft);text-align:center;margin:2px 0;min-height:16px}.game-tools{display:flex;gap:12px;align-items:center;justify-content:center;padding:5px 0 7px;flex-shrink:0}.zoom-group{display:flex;align-items:center;border:1px solid var(--line);background:var(--paper);border-radius:13px;overflow:hidden;height:46px}.zoom-group button{height:46px;min-width:42px;font-size:19px;background:transparent}.zoom-group button:last-child{font-size:12px;border-left:1px solid var(--line);padding:0 12px}.zoom-group span{font-size:12px;font-variant-numeric:tabular-nums;min-width:40px;text-align:center}.hint-button{padding:13px 17px;border-radius:13px;background:var(--accent);font-size:14px;font-weight:600;height:46px;white-space:nowrap}.hint-button b{margin-left:7px;background:#fff7d998;border-radius:50%;padding:3px 6px;font-size:11px}.modal{position:fixed;inset:0;background:#15333190;z-index:20;display:flex;align-items:center;justify-content:center;padding:22px;backdrop-filter:blur(5px)}.dialog{background:var(--paper);border-radius:24px;width:100%;max-width:420px;padding:35px 27px 27px;max-height:90vh;max-height:90dvh;overflow:auto;position:relative}.dialog-close{position:absolute;right:14px;top:13px;border:0;width:30px;height:30px;background:transparent;font-size:25px}.dialog h2{font-size:25px;margin:12px 0 11px;line-height:1.4}.dialog p{color:var(--soft);font-size:13px;line-height:1.9;margin:8px 0}.dialog .primary{width:100%;justify-content:center;margin-top:18px}.secondary{background:var(--mint);border-radius:13px;padding:12px 18px;width:100%;margin-top:10px;font-size:14px;font-weight:600}.text-button{background:transparent;text-decoration:underline;text-underline-offset:3px;font-size:12px;color:var(--soft);padding:13px 0 3px;width:100%}.dialog-tag{font-size:11px;letter-spacing:.08em;font-weight:600;color:var(--soft)}.win-badge{height:74px;width:74px;border-radius:50%;background:var(--mint);font-size:35px;display:grid;place-items:center;margin:auto}.stars{letter-spacing:7px;text-align:center;color:var(--accent);font-size:25px;margin:10px 0}.win-stats{display:flex;justify-content:center;gap:26px;padding:15px 0}.win-stats div{text-align:center}.win-stats b{display:block;font-size:21px;font-variant-numeric:tabular-nums}.win-stats small{color:var(--soft);font-size:10px}.setting-row{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}.setting-row button{padding:7px 13px;border-radius:20px;background:var(--mint);font-size:12px}.setting-row button.danger{color:var(--red);background:#f6e7dc}#toast{position:fixed;bottom:calc(85px + var(--safe-bottom));left:50%;transform:translate(-50%,12px);color:white;background:#173c3bf0;border-radius:14px;font-size:12px;padding:12px 18px;opacity:0;pointer-events:none;transition:opacity .15s,transform .15s;z-index:30;max-width:90vw;text-align:center;line-height:1.6;white-space:pre-line}#toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:1120px){.intro,.mode-tabs,.level-section{margin-left:24px;margin-right:24px}.intro{padding:24px}.intro h2{font-size:26px}}
@media(max-width:600px){.home-head{padding:20px 18px 14px}.home-head h1{font-size:21px}.intro,.mode-tabs,.level-section{margin-left:18px;margin-right:18px}.intro{padding:21px 20px;gap:8px;min-height:230px}.intro h2{font-size:23px;letter-spacing:0}.intro p{font-size:11px;max-width:175px;line-height:1.8;margin-top:8px}.intro-art{width:39%;height:142px;flex-shrink:0;margin-right:-5px}.intro-art img{border-width:4px;border-radius:14px}.art-caption{font-size:9px;padding:6px 8px;right:-6px;bottom:-5px}.lens{width:40px;height:40px;right:4px;top:18px;border-width:3px}.lens:after{width:4px;height:19px;bottom:-17px}.primary{font-size:13px;padding:12px 15px;gap:20px}.small-tag{font-size:9px;margin-bottom:9px}.mode-tabs{gap:10px;margin-bottom:25px}.mode-tabs button{padding:13px}.mode-tabs button.active{padding:12px}.mode-tabs b{font-size:13px}.mode-tabs span{font-size:9px}.mode-tabs button.active:after{right:12px;top:12px;font-size:16px}.section-title h2{font-size:18px}.section-title>span{font-size:10px}.level-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.level-card{border-radius:13px}.level-card .card-meta{padding:10px 9px;gap:7px}.scene-no{font-size:18px}.card-title{font-size:11px}.card-status{font-size:9px}.card-check{width:17px;height:17px;font-size:10px}.card-badge{font-size:9px;padding:3px 6px;top:6px;right:6px}#game{padding:9px 10px calc(8px + var(--safe-bottom));gap:8px}.game-heading h1{font-size:17px}.game-head{gap:10px}.game-head .icon-button{width:38px;height:38px;border-radius:12px}.status-bar{padding:10px 13px;border-radius:13px;gap:10px}.status-bar span{font-size:19px}.status-bar small{font-size:9px}.clock{min-width:66px}.progress-dots{gap:3px;grid-template-columns:repeat(5,1fr);max-width:120px;justify-self:center}.progress-dots i{height:5px}.board-area{grid-template-columns:1fr;gap:8px;align-content:center}.board-title{margin-bottom:4px}.board{border-radius:12px}.gesture-note{font-size:10px}.game-tools{padding-top:1px}.zoom-group{height:42px}.zoom-group button{height:42px;min-width:39px}.hint-button{height:42px;padding:11px 16px}.dialog{padding:32px 23px 23px}.dialog h2{font-size:23px}}
@media(orientation:landscape) and (max-height:560px){#game{padding:5px 14px;gap:4px;min-height:100dvh}.game-head .icon-button{width:32px;height:32px;border-radius:9px}.game-heading h1{font-size:15px}.game-heading .eyebrow{font-size:9px;margin-bottom:0}.status-bar{position:absolute;top:5px;left:50%;transform:translateX(-50%);width:38%;height:34px;padding:3px 10px;gap:8px}.status-bar span{font-size:15px}.status-bar small{display:none}.progress-dots{max-width:90px;grid-template-columns:repeat(15,1fr);gap:2px}.progress-dots i{height:6px}.board-area{grid-template-columns:1fr 1fr;gap:12px;align-content:center;margin-top:0}.board-title{margin-bottom:3px;font-size:9px}.board-title b{height:16px;width:16px;font-size:9px}.board{border-radius:10px}.gesture-note{font-size:9px;min-height:11px;margin:0}.game-tools{height:36px;padding:0}.zoom-group{height:32px}.zoom-group button{height:32px;min-width:35px;font-size:16px}.zoom-group button:last-child{font-size:11px}.hint-button{height:32px;padding:7px 14px;font-size:12px}#toast{bottom:45px}}
@media(max-height:680px) and (orientation:portrait){#game{gap:6px}.game-head .icon-button{height:32px;width:32px}.status-bar{padding:6px 11px}.board-area{gap:6px}.board-title{font-size:9px;margin-bottom:2px}.board-title b{height:16px;width:16px}.game-tools{padding:0}.gesture-note{font-size:9px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media(max-width:360px){.intro{padding:18px;gap:7px}.intro h2{font-size:20px}.intro-art{width:35%}.intro p{font-size:10px}.level-card .card-meta{gap:5px}.card-title{font-size:10px}}