*{box-sizing:border-box} :root{--ink:#203d36;--green:#214c44;--muted:#6e7d70;--cream:#f5efdf;--paper:#fffcf3;--line:#d8dccb;--orange:#c7794c;--yellow:#eab84f;font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:var(--ink);background:var(--cream);font-synthesis:none}body{margin:0;background:radial-gradient(ellipse at 10% 0,#fffdf5,transparent 50%),var(--cream)}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{min-height:44px;cursor:pointer;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:12px;padding:10px 16px;font-weight:700;touch-action:manipulation}button:hover{border-color:#8aab91}button:disabled{cursor:not-allowed;opacity:.48}button:focus-visible,a:focus-visible{outline:3px solid #d99b43;outline-offset:3px}a{color:inherit}input,select{min-height:48px;border:1px solid #bfcab7;border-radius:12px;background:#fffefa;color:var(--ink);padding:11px 13px;width:100%;min-width:0}input:focus,select:focus{outline:2px solid #99b59b;outline-offset:2px}.boot{padding:80px 20px;text-align:center}.shell{max-width:1180px;margin:auto;padding:0 28px 50px}.header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:23px 0;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:19px;font-weight:900;letter-spacing:-.7px;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:40px;height:40px;background:var(--green);color:#fff4d2;border-radius:50% 50% 40% 40%;font-size:22px}.topnav{display:flex;gap:6px}.nav-button{border:0;background:transparent;color:#6c7869}.nav-button.active{background:#e0e8d4;color:var(--green)}.account-button{max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;background:var(--green);color:white;border-color:var(--green)}.page{padding-top:27px}.hero{position:relative;display:grid;grid-template-columns: .9fr 1.2fr;background:#e9e9d5;border:1px solid #d5d8be;border-radius:26px;overflow:hidden;min-height:340px;box-shadow:0 5px 0 #d2d7bd}.hero-copy{padding:35px 32px;align-self:center;z-index:1}.eyebrow{color:#88784b;font-size:12px;font-weight:700;letter-spacing:2px;margin:0 0 14px}.hero h1{font-size:clamp(30px,4vw,48px);line-height:1.35;letter-spacing:-1.8px;margin:0 0 15px}.hero p{font-size:14px;line-height:1.9;color:#586b5c;margin:0 0 22px}.hero-art{width:100%;height:100%;object-fit:cover;min-height:340px;mask-image:linear-gradient(to right,transparent,#000 13%)}.primary{background:var(--green);border-color:var(--green);color:#fff9e6}.secondary{background:#f0e5c8;border-color:#d9c79c}.quiet{border-color:transparent;background:transparent}.stats{display:flex;gap:26px;padding:25px 4px 20px}.stat{display:flex;gap:9px;align-items:baseline}.stat strong{font-size:22px}.stat span{font-size:12px;color:var(--muted)}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:12px 0 17px}.section-heading h2{font-size:22px;letter-spacing:-.5px;margin:0}.section-heading p{font-size:12px;color:var(--muted);margin:7px 0 0}.search{max-width:290px;position:relative}.search input{background:#fffcf3;min-height:44px;padding-left:38px}.search:before{content:'⌕';position:absolute;left:14px;top:8px;font-size:25px;color:#789079}.filters{display:flex;gap:7px;overflow:auto;scrollbar-width:none;padding:1px 1px 14px}.filter{white-space:nowrap;border-radius:22px;font-size:13px;min-height:40px;padding:8px 16px;background:transparent}.filter.active{background:var(--green);color:#fff9e6;border-color:var(--green)}.games-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px 16px}.game-card{min-width:0;background:var(--paper);border:1px solid var(--line);border-radius:19px;overflow:hidden;box-shadow:0 3px 0 #e1e2cf;position:relative;transition:transform .15s}.game-card:hover{transform:translateY(-3px)}.game-cover{position:relative;aspect-ratio:1;background:#e9e4ce;overflow:hidden}.game-cover img{width:100%;height:100%;object-fit:cover;display:block}.game-number{position:absolute;top:9px;left:9px;min-width:29px;height:28px;border-radius:9px;background:#fff9e7df;display:grid;place-items:center;font-size:11px;font-weight:800;color:#5b6957}.game-info{padding:13px 13px 12px}.game-info h3{margin:0 0 8px;font-size:15px;line-height:1.5;min-height:23px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.game-meta{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);gap:4px}.game-card .open-game{width:100%;margin-top:11px;min-height:38px;font-size:12px;background:#e6ecd9;border-color:#d0d9bf;padding:6px}.tiny-track{height:3px;border-radius:3px;background:#e0e3d2;margin-top:10px;overflow:hidden}.tiny-track i{height:100%;display:block;background:#8ba773}.footer{padding:30px 0 0;font-size:11px;color:#84917e;text-align:center;line-height:1.8}.empty{grid-column:1/-1;padding:50px;text-align:center;color:var(--muted)}.panel{background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:25px;margin-bottom:20px}.panel h1,.panel h2,.panel h3{margin:0 0 13px;letter-spacing:-.5px}.panel p{font-size:14px;line-height:1.8;color:#687966}.page-title{font-size:30px;margin:0 0 12px}.subline{font-size:13px;color:var(--muted);line-height:1.8}.leader-controls{display:flex;gap:15px;align-items:center;margin-bottom:20px}.leader-controls select{max-width:340px}.leader-table{width:100%;border-collapse:collapse;text-align:left}.leader-table th{font-size:12px;color:var(--muted);font-weight:500;padding:10px 12px;border-bottom:1px solid var(--line)}.leader-table td{padding:16px 12px;font-size:14px;border-bottom:1px solid #e7e8dc}.leader-table tbody tr:last-child td{border:0}.rank-medal{display:grid;place-items:center;width:30px;height:32px;border-radius:50% 50% 9px 9px;background:#ecebd9;font-weight:900}.rank-medal.first{background:#e9bc58;color:#674823}.my-rank{background:#eaf0df}.account-layout{display:grid;grid-template-columns:1fr 1.4fr;gap:20px}.user-card{text-align:center}.avatar{width:76px;height:76px;display:grid;place-items:center;margin:0 auto 16px;border-radius:50%;background:#e9d5ac;font-size:34px;font-weight:900;color:#8c673d}.user-badge{display:inline-block;font-size:11px;border:1px solid #bfccb1;border-radius:20px;padding:5px 10px;margin:7px 0 20px}.progress-row{display:flex;justify-content:space-between;gap:10px;align-items:center;border-bottom:1px solid #e4e7d6;padding:13px 0;cursor:pointer}.progress-row:last-child{border:0}.progress-row strong{font-size:13px}.progress-row small{display:block;margin-top:5px;color:var(--muted);font-size:11px}.progress-row button{font-size:12px;white-space:nowrap}.scrim{position:fixed;inset:0;z-index:1000;background:#173c32a3;backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;padding:18px;overflow:auto}.dialog{width:min(100%,510px);background:var(--paper);border-radius:24px;padding:25px;box-shadow:0 25px 100px #102b3255;max-height:calc(100dvh - 36px);overflow:auto;border:1px solid #f1e9d2}.dialog.wide{width:min(100%,680px)}.dialog-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:20px}.dialog-head h2{font-size:23px;letter-spacing:-.6px;margin:0}.close{min-width:44px;width:44px;padding:0;background:transparent;border-color:#dce1d0;font-size:23px}.auth-tabs{display:flex;padding:4px;background:#e9eddf;border-radius:13px;margin-bottom:20px;gap:4px}.auth-tabs button{flex:1;background:transparent;border:0}.auth-tabs .active{background:var(--paper);box-shadow:0 2px 5px #23433415}.field{display:block;margin-bottom:17px}.field span{display:block;font-size:13px;font-weight:700;margin-bottom:8px}.form-submit{width:100%;margin-top:3px}.form-note{font-size:11px;color:var(--muted);line-height:1.8}.form-error{color:#a54532;font-size:13px;line-height:1.7;margin:10px 0}.game-dialog-title{display:flex;align-items:center;gap:14px}.game-dialog-title img{width:72px;height:72px;object-fit:cover;border-radius:16px}.game-dialog-title h2{font-size:21px;margin:0 0 6px}.game-dialog-title p{margin:0;font-size:12px;color:var(--muted)}.mode-switch{display:flex;gap:5px;background:#e9eddf;padding:4px;border-radius:13px;margin:19px 0}.mode-switch button{flex:1;border:0;background:transparent;font-size:13px}.mode-switch .active{background:var(--paper);box-shadow:0 2px 5px #23433410}.experience-note{font-size:12px;line-height:1.8;color:#96712d;background:#fbefd1;padding:10px 13px;border-radius:11px;margin-bottom:14px}.tutorial-button{display:flex;width:100%;align-items:center;justify-content:space-between;text-align:left;background:#e4ecd7;border:1px solid #bfceab;padding:15px;margin:18px 0 13px}.tutorial-button strong{display:block;font-size:15px}.tutorial-button small{display:block;font-size:11px;margin-top:5px;color:#6c7b61}.tutorial-number{font-size:24px;margin-right:14px;color:#729260}.chapter-tabs{display:flex;gap:5px;margin:18px 0 15px}.chapter-tabs button{flex:1;padding:7px 0;font-size:12px}.chapter-tabs .active{background:var(--green);color:#fff9e6;border-color:var(--green)}.levels-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:9px}.level-button{min-height:48px;position:relative;padding:9px;font-size:14px}.level-button.cleared{background:#e0e9d3;border-color:#bcccaa}.level-button.next{outline:2px solid #cc9c47;outline-offset:1px}.level-button.locked{opacity:1;background:#ececdf;color:#a2aa9a;border-color:#dfe2d5}.level-button.locked span{font-size:9px;display:block;margin-top:3px}.level-note{font-size:12px;color:var(--muted);line-height:1.8;margin:15px 0 0}.player-shell{height:100dvh;display:flex;flex-direction:column;background:#e9edde;overflow:hidden}.player-top{display:flex;align-items:center;gap:12px;background:var(--paper);padding:9px 16px;border-bottom:1px solid var(--line);flex-shrink:0}.player-top .back{padding:8px 12px}.player-title{flex:1;min-width:0}.player-title strong{font-size:14px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.player-title small{font-size:11px;color:var(--muted);display:block;margin-top:4px}.mode-tag{font-size:11px;color:#987127;background:#f1e1b6;padding:6px 9px;border-radius:8px;white-space:nowrap}.player-stage{flex:1;min-height:0;position:relative;display:flex;align-items:stretch;justify-content:center}.player-stage iframe{display:block;width:100%;height:100%;border:0;background:#f7f1df}.player-stage .loading{position:absolute;inset:0;display:grid;place-items:center;background:var(--paper);z-index:3}.tutorial-guide{background:#e5edd8;border-bottom:1px solid #c6d4b5;padding:10px 16px;font-size:12px;line-height:1.65;flex-shrink:0}.tutorial-guide summary{cursor:pointer;font-weight:800;min-height:25px}.tutorial-guide ol{margin:8px 0 2px;padding-left:22px;color:#5c7055}.result-bar{flex-shrink:0;background:var(--paper);border-top:1px solid var(--line);padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:14px}.result-bar strong{font-size:15px;display:block}.result-bar small{font-size:11px;color:var(--muted);display:block;margin-top:4px}.result-actions{display:flex;gap:7px}.result-actions button{font-size:13px;padding:9px 13px;white-space:nowrap}.save-warning{background:#fcf0cf;color:#8d672b;font-size:12px;padding:9px 16px;display:flex;justify-content:space-between;gap:10px;align-items:center}.save-warning button{min-height:34px;padding:5px 10px;font-size:12px}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.inline-fields{display:flex;gap:10px}.inline-fields .field{flex:1}.invite-secret{background:#eff3e2;border:1px dashed #8da478;border-radius:12px;padding:16px;font-family:monospace;word-break:break-all;font-size:15px;margin:15px 0}.admin-list{margin-top:15px}.admin-row{padding:12px 0;border-bottom:1px solid #e0e5d4;display:flex;align-items:center;justify-content:space-between;gap:10px}.admin-row strong{font-size:13px}.admin-row small{display:block;font-size:11px;color:var(--muted);margin-top:5px}.admin-row button{font-size:12px;white-space:nowrap}.warning-button{background:#f7e5d6;color:#914c36;border-color:#dfbcaa}.bottom-nav{display:none}#toast:not(:empty){position:fixed;z-index:3000;bottom:25px;left:50%;transform:translateX(-50%);max-width:calc(100% - 30px);background:#203d36;color:#fff9e8;border:1px solid #476855;padding:13px 21px;border-radius:14px;box-shadow:0 7px 30px #0b302a33;font-size:13px;line-height:1.6;text-align:center;pointer-events:none}.mobile-only{display:none}
@media(max-width:1000px){.games-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.hero h1{font-size:37px}.hero-copy{padding:29px 25px}.hero,.hero-art{min-height:300px}}
@media(max-width:760px){.shell{padding:0 17px 90px}.header{padding:16px 0;gap:10px}.brand{font-size:16px;gap:8px}.brand-mark{width:32px;height:32px;font-size:19px}.topnav{display:none}.account-button{font-size:12px;max-width:125px;min-height:40px;padding:8px 12px}.page{padding-top:18px}.hero{display:flex;flex-direction:column;min-height:0;border-radius:22px}.hero-copy{padding:24px 23px 18px;position:relative;z-index:1}.hero h1{font-size:31px;line-height:1.3;letter-spacing:-1px;margin-bottom:10px}.hero p{font-size:12px;margin-bottom:15px;line-height:1.7}.hero .eyebrow{font-size:10px;margin-bottom:10px}.hero-art{min-height:0;height:200px;object-position:center 57%;mask-image:linear-gradient(to bottom,transparent,#000 15%);margin-top:-24px}.hero-copy .primary{font-size:12px;padding:9px 15px}.stats{padding:23px 2px 14px;justify-content:space-between;gap:10px}.stat{gap:5px}.stat strong{font-size:19px}.stat span{font-size:10px}.section-heading{gap:12px;margin:13px 0 14px;align-items:center}.section-heading h2{font-size:20px}.section-heading p{font-size:10px}.search{width:46%;max-width:220px}.search input{font-size:12px;padding-left:30px;min-height:42px}.search:before{font-size:22px;left:10px}.filter{font-size:12px;padding:7px 13px;min-height:38px}.games-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:15px 10px}.game-info{padding:10px 10px}.game-info h3{font-size:13px;margin-bottom:7px}.game-meta{font-size:10px}.game-meta span:last-child{display:none}.game-card{border-radius:15px}.game-card .open-game{font-size:11px;margin-top:9px}.game-number{font-size:10px;min-width:25px;height:25px;border-radius:8px;left:7px;top:7px}.bottom-nav{position:fixed;z-index:500;bottom:0;left:0;right:0;background:#fffdf3f5;backdrop-filter:blur(12px);display:flex;border-top:1px solid #d9dfcb;padding:6px 20px max(6px,env(safe-area-inset-bottom));justify-content:space-around}.bottom-nav button{border:0;background:transparent;flex:1;font-size:12px;min-height:48px;padding:7px 10px;color:#7b8875;border-radius:11px}.bottom-nav button.active{color:var(--green);background:#e4ebd8}.bottom-nav span{display:block;font-size:17px;line-height:1.2;margin-bottom:4px}.account-layout,.admin-grid{grid-template-columns:1fr}.panel{padding:20px;border-radius:18px}.leader-controls{display:block}.leader-controls select{max-width:none}.leader-table th,.leader-table td{padding:13px 6px;font-size:12px}.leader-table th{font-size:10px}.leader-table .optional{display:none}.page-title{font-size:26px}.dialog{padding:22px 18px;border-radius:21px}.dialog-head h2{font-size:21px}.game-dialog-title h2{font-size:18px}.game-dialog-title img{width:60px;height:60px}.player-top{padding:8px 10px;gap:9px}.player-top .back{font-size:12px;padding:7px 10px}.player-title strong{font-size:12px}.player-title small{font-size:10px}.player-top .quiet{padding:7px;min-width:44px}.tutorial-guide{padding:8px 12px;font-size:11px}.result-bar{padding:10px 12px;gap:8px}.result-bar strong{font-size:13px}.result-bar small{font-size:10px}.result-actions button{font-size:12px;padding:8px 10px}.footer{font-size:10px}.mobile-only{display:block}#toast:not(:empty){bottom:85px}.player-shell~#toast:not(:empty){bottom:20px}}
@media(max-width:480px){.games-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:15px 12px}.game-info h3{font-size:14px}.game-meta span:last-child{display:block}.hero-art{height:185px}.hero h1{font-size:29px}.hero-copy{padding:23px 21px 18px}.game-card .open-game{min-height:40px;font-size:12px}.game-info{padding:11px}.scrim{padding:12px}.dialog{max-height:calc(100dvh - 24px)}.levels-grid{gap:8px}.chapter-tabs{gap:4px}.game-dialog-title h2{font-size:17px}.mode-switch button{font-size:12px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Keep every primary mobile control at least 44 CSS pixels. */
.filter,.game-card .open-game,.account-button{min-height:44px}.game-cover[data-action]{cursor:pointer}.game-cover[data-action]:focus-visible{outline:3px solid #d99b43;outline-offset:-3px}

.best-history{margin-top:18px;border-top:1px solid var(--line);padding-top:11px;font-size:12px}.best-history summary{cursor:pointer;min-height:35px;font-weight:700;padding:8px 0}.best-record{display:flex;justify-content:space-between;gap:8px;padding:11px 0;border-bottom:1px solid #e4e7d8;font-size:11px}.best-record span{color:#6e7d70}