@font-face{font-family:Onest;font-style:normal;font-weight:100 900;font-display:swap;src:url(./onest-cyrillic-wght-normal-DayYxulF.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Onest;font-style:normal;font-weight:100 900;font-display:swap;src:url(./onest-latin-ext-wght-normal-QAhDxQuo.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Onest;font-style:normal;font-weight:100 900;font-display:swap;src:url(./onest-latin-wght-normal-Dun_Rd-l.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Unbounded;font-style:normal;font-weight:200 900;font-display:swap;src:url(./unbounded-cyrillic-wght-normal-C627f1f8.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Unbounded;font-style:normal;font-weight:200 900;font-display:swap;src:url(./unbounded-latin-wght-normal-D5afBTBx.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--bg:#f3f5fa;--bg2:#e8ecf6;--surface:#fff;--surface2:#f6f8fd;--ink:#0e1633;--ink2:#46507a;--ink3:#636c90;--on-ok:#fff;--on-bad:#fff;--on-seal:#fff;--line:#dce1ef;--line2:#c9d0e6;--primary:#2438c8;--primary-d:#16268f;--primary-ink:#fff;--primary-soft:#e5e9fc;--seal:#d63a25;--seal-d:#a92614;--seal-soft:#fce6e1;--gold:#f2b632;--gold-d:#b97e00;--gold-soft:#fff1cc;--ok:#157a52;--ok-d:#0e5c3d;--ok-soft:#ddf3e8;--bad:#c42b3c;--bad-soft:#fbe3e6;--t0:#6b7390;--t1:#d6423f;--t2:#b36b00;--t3:#13805a;--t4:#6a3fd0;--t1f:#ffd9d8;--t2f:#ffebc4;--t3f:#d6f2e6;--t4f:#e7deff;--shadow:0 1px 0 #0e16330a,0 10px 30px -12px #2438c838;--shadow-lg:0 24px 60px -20px #0e163359;--hero-a:#2438c8;--hero-b:#0e1a66;--hero-ink:#fff;--blob1:#2438c824;--blob2:#d63a251a;--grid:#d63a2547;--r:20px;--r-s:14px;--nav-h:68px;--font:"Onest",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--display:"Unbounded","Onest",system-ui,sans-serif;--hz:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","Noto Serif CJK SC","SimSun","Microsoft YaHei",serif;--ease:cubic-bezier(.2,.8,.2,1);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-theme=dark]{--bg:#080c1d;--bg2:#0c1226;--surface:#121a38;--surface2:#17214a;--ink:#eef2ff;--ink2:#a9b3de;--ink3:#8d97c4;--on-ok:#04271a;--on-bad:#3a0610;--on-seal:#2b0a02;--line:#242f5c;--line2:#33407a;--primary:#8ea2ff;--primary-d:#5b72ee;--primary-ink:#0a1030;--primary-soft:#1b2660;--seal:#ff6b4a;--seal-d:#d84a2b;--seal-soft:#3a1a1b;--gold:#f5c65a;--gold-d:#c99a2e;--gold-soft:#3a3012;--ok:#4ade9c;--ok-d:#22b87a;--ok-soft:#0f3a2b;--bad:#ff7a89;--bad-soft:#40161d;--t0:#98a1c9;--t1:#ff7b76;--t2:#ffc266;--t3:#4ade9c;--t4:#b497ff;--t1f:#4a1e24;--t2f:#4a3a14;--t3f:#0f3a2b;--t4f:#2d2260;--shadow:0 1px 0 #ffffff08 inset,0 14px 34px -14px #000000b3;--shadow-lg:0 30px 70px -24px #000000d9;--hero-a:#22318f;--hero-b:#0a1030;--hero-ink:#fff;--blob1:#6e86ff29;--blob2:#ff6b4a1a;--grid:#ff6b4a4d;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}@media (prefers-color-scheme:dark){:root[data-theme=auto]{--bg:#080c1d;--bg2:#0c1226;--surface:#121a38;--surface2:#17214a;--ink:#eef2ff;--ink2:#a9b3de;--ink3:#8d97c4;--on-ok:#04271a;--on-bad:#3a0610;--on-seal:#2b0a02;--line:#242f5c;--line2:#33407a;--primary:#8ea2ff;--primary-d:#5b72ee;--primary-ink:#0a1030;--primary-soft:#1b2660;--seal:#ff6b4a;--seal-d:#d84a2b;--seal-soft:#3a1a1b;--gold:#f5c65a;--gold-d:#c99a2e;--gold-soft:#3a3012;--ok:#4ade9c;--ok-d:#22b87a;--ok-soft:#0f3a2b;--bad:#ff7a89;--bad-soft:#40161d;--t0:#98a1c9;--t1:#ff7b76;--t2:#ffc266;--t3:#4ade9c;--t4:#b497ff;--t1f:#4a1e24;--t2f:#4a3a14;--t3f:#0f3a2b;--t4f:#2d2260;--shadow:0 1px 0 #ffffff08 inset,0 14px 34px -14px #000000b3;--shadow-lg:0 30px 70px -24px #000000d9;--hero-a:#22318f;--hero-b:#0a1030;--hero-ink:#fff;--blob1:#6e86ff29;--blob2:#ff6b4a1a;--grid:#ff6b4a4d;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{-webkit-text-size-adjust:100%}html,body{min-height:100%;margin:0}body{background:var(--bg);color:var(--ink);font:400 16px/1.5 var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;overscroll-behavior-y:none;transition:background .4s var(--ease),color .4s var(--ease);overflow-x:clip}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0;padding:0}:focus-visible{outline:3px solid var(--primary);outline-offset:2px;border-radius:10px}h1,h2,h3,h4,p{margin:0}.zh{font-family:var(--hz);font-weight:500}.mut{color:var(--ink2)}.mut3{color:var(--ink3)}.c{text-align:center}.t0{color:var(--t0)}.t1{color:var(--t1)}.t2{color:var(--t2)}.t3{color:var(--t3)}.t4{color:var(--t4)}.sr{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.bg{z-index:0;pointer-events:none;background:radial-gradient(70vmax 50vmax at 85% -10%,var(--blob1),transparent 60%), radial-gradient(60vmax 45vmax at -10% 105%,var(--blob2),transparent 60%);position:fixed;top:0;bottom:0;left:0;right:0;overflow:hidden}.bg i{font-style:normal;font-family:var(--hz);color:var(--ink);opacity:.045;-webkit-user-select:none;user-select:none;will-change:transform;animation:drift var(--d,40s) ease-in-out infinite alternate;position:absolute}@keyframes drift{0%{transform:translate(0,0)rotate(-4deg)}to{transform:translate3d(var(--dx,30px),var(--dy,-50px),0) rotate(5deg)}}.no-motion .bg i,.no-motion *{transition-duration:1ms!important;animation-duration:1ms!important;animation-iteration-count:1!important}@media (prefers-reduced-motion:reduce){.bg i,*{transition-duration:1ms!important;animation-duration:1ms!important;animation-iteration-count:1!important}}.app{width:100%;min-height:100vh;flex-direction:column;align-items:center;min-height:100dvh;display:flex;position:relative}.col{width:100%;max-width:560px;margin:0 auto;padding:0 16px}.page{width:100%;padding-bottom:calc(var(--nav-h) + 28px + env(safe-area-inset-bottom));animation:rise .45s var(--ease) backwards}.page.nonav{padding-bottom:40px}@keyframes rise{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}.topbar{z-index:20;padding:calc(10px + env(safe-area-inset-top)) max(16px,calc((100% - 560px)/2 + 16px)) 10px;-webkit-backdrop-filter:saturate(1.4)blur(14px);background:color-mix(in srgb,var(--bg) 78%,transparent);align-items:center;gap:10px;width:100%;display:flex;position:sticky;top:0}.brand{font-family:var(--display);letter-spacing:-.02em;flex:1;align-items:center;gap:10px;min-width:0;font-size:17px;font-weight:700;display:flex}.logo{background:var(--seal);color:#fff;width:34px;height:34px;font-family:var(--hz);box-shadow:0 3px 0 var(--seal-d);border-radius:9px;place-items:center;font-size:21px;font-weight:700;display:grid;transform:rotate(-4deg)}.pill{background:var(--surface);border:1px solid var(--line);height:36px;box-shadow:var(--shadow);white-space:nowrap;border-radius:999px;align-items:center;gap:6px;padding:0 12px;font-size:14px;font-weight:700;display:inline-flex}.pill svg{width:18px;height:18px}.pill.gold{color:var(--gold-d)}:root[data-theme=dark] .pill.gold{color:var(--gold)}.iconbtn{background:var(--surface);border:1px solid var(--line);width:40px;height:40px;box-shadow:var(--shadow);transition:transform .15s var(--ease),background .2s;border-radius:12px;place-items:center;display:grid}.iconbtn:active{transform:scale(.92)}.iconbtn svg{width:20px;height:20px}.nav{z-index:30;padding:0 12px calc(10px + env(safe-area-inset-bottom));pointer-events:none;justify-content:center;display:flex;position:fixed;bottom:0;left:0;right:0}.nav>div{pointer-events:auto;background:color-mix(in srgb,var(--surface) 88%,transparent);-webkit-backdrop-filter:blur(16px)saturate(1.5);border:1px solid var(--line);width:100%;max-width:420px;box-shadow:var(--shadow-lg);border-radius:24px;gap:4px;padding:6px;display:flex}.nav button{height:54px;color:var(--ink3);transition:all .25s var(--ease);border-radius:18px;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;font-size:11.5px;font-weight:700;display:flex;position:relative}.nav button svg{width:22px;height:22px}.nav button[aria-current=page]{color:var(--primary-ink);background:var(--primary)}.nav .dot{background:var(--seal);color:#fff;border-radius:9px;place-items:center;min-width:18px;height:18px;padding:0 5px;font-size:11px;font-weight:800;display:grid;position:absolute;top:6px;right:calc(50% - 20px)}.btn{letter-spacing:.01em;background:var(--surface);min-height:52px;color:var(--ink);border:2px solid var(--line2);box-shadow:0 4px 0 var(--line2);transition:transform .12s var(--ease),box-shadow .12s var(--ease),filter .2s;-webkit-user-select:none;user-select:none;border-radius:16px;justify-content:center;align-items:center;gap:10px;width:100%;padding:0 24px;font-size:16px;font-weight:800;display:inline-flex;position:relative;top:0}.btn:active:not(:disabled){box-shadow:0 1px 0 var(--line2);transform:translateY(3px)}.btn.primary{background:var(--primary);color:var(--primary-ink);border-color:var(--primary-d);box-shadow:0 4px 0 var(--primary-d)}.btn.primary:active:not(:disabled){box-shadow:0 1px 0 var(--primary-d)}.btn.seal{background:var(--seal);color:var(--on-seal);border-color:var(--seal-d);box-shadow:0 4px 0 var(--seal-d)}.btn.ok{background:var(--ok);color:var(--on-ok);border-color:var(--ok-d);box-shadow:0 4px 0 var(--ok-d)}.btn.bad{background:var(--bad);color:var(--on-bad);border-color:#8f1d2a;box-shadow:0 4px #8f1d2a}.btn.sm{white-space:nowrap;border-radius:13px;width:auto;min-height:42px;padding:0 16px;font-size:14px}.btn.ghost{box-shadow:none;color:var(--primary);background:0 0;border-color:#0000}.btn:disabled{opacity:.45;cursor:not-allowed;filter:saturate(.6)}.btn svg{width:20px;height:20px}.row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.row.nw{flex-wrap:nowrap}.grow{flex:1;min-width:0}.stack{flex-direction:column;gap:14px;display:flex}.stack.s{gap:8px}.stack.l{gap:22px}.sp{height:8px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:18px;position:relative}.card.flat{box-shadow:none}.card.tint{background:var(--surface2)}.h1{font-family:var(--display);letter-spacing:-.03em;font-size:28px;font-weight:800;line-height:1.1}.h2{font-family:var(--display);letter-spacing:-.02em;font-size:20px;font-weight:700;line-height:1.2}.h3{font-size:17px;font-weight:800;line-height:1.25}.eyebrow{letter-spacing:.14em;text-transform:uppercase;color:var(--ink3);font-size:12px;font-weight:800}.note{border-radius:var(--r-s);background:var(--gold-soft);border:1px solid color-mix(in srgb,var(--gold) 45%,transparent);gap:12px;padding:14px 16px;font-size:15px;display:flex}.note.blue{background:var(--primary-soft);border-color:color-mix(in srgb,var(--primary) 30%,transparent)}.note.red{background:var(--seal-soft);border-color:color-mix(in srgb,var(--seal) 35%,transparent)}.note svg{flex:none;width:22px;height:22px;margin-top:1px}.chip{background:var(--primary-soft);height:28px;color:var(--primary);border-radius:999px;align-items:center;gap:6px;padding:0 10px;font-size:12.5px;font-weight:800;display:inline-flex}:root[data-theme=dark] .chip{color:var(--primary)}.chip.gold{background:var(--gold-soft);color:var(--gold-d)}:root[data-theme=dark] .chip.gold{color:var(--gold)}.chip.ok{background:var(--ok-soft);color:var(--ok)}.hero{color:var(--hero-ink);background:linear-gradient(155deg,var(--hero-a),var(--hero-b));box-shadow:var(--shadow-lg),0 0 0 1px #ffffff0f inset;isolation:isolate;border-radius:28px;padding:22px 20px 20px;position:relative;overflow:hidden}.hero:before{content:"";background:var(--seal);opacity:.95;z-index:-1;border-radius:50%;width:250px;height:250px;animation:9s ease-in-out infinite alternate sun;position:absolute;top:-70px;right:-70px;box-shadow:0 0 90px 10px #ff6b4a73}@keyframes sun{0%{transform:translate(0)scale(1)}to{transform:translate(-14px,10px)scale(1.06)}}.hero:after{content:"";z-index:-1;background:radial-gradient(80% 60% at 20% 110%,#ffffff24,#0000 60%);position:absolute;top:0;bottom:0;left:0;right:0}.hero .eyebrow{color:#ffffffb3}.hero .h1{color:#fff}.hero-boards{gap:10px;margin:14px 0 4px;display:flex}.tzg{background:linear-gradient(to right,transparent calc(50% - .5px),var(--grid) calc(50% - .5px),var(--grid) calc(50% + .5px),transparent calc(50% + .5px)), linear-gradient(to bottom,transparent calc(50% - .5px),var(--grid) calc(50% - .5px),var(--grid) calc(50% + .5px),transparent calc(50% + .5px)), var(--surface);border:2px solid var(--seal);border-radius:12px;position:relative;overflow:hidden}.tzg:after{content:"";pointer-events:none;background:linear-gradient(45deg,transparent calc(50% - .5px),var(--grid) calc(50% - .5px),var(--grid) calc(50% + .5px),transparent calc(50% + .5px)), linear-gradient(-45deg,transparent calc(50% - .5px),var(--grid) calc(50% - .5px),var(--grid) calc(50% + .5px),transparent calc(50% + .5px));opacity:.45;position:absolute;top:0;bottom:0;left:0;right:0}.tzg svg{z-index:1;display:block;position:relative}.hero .tzg{background:linear-gradient(90deg,#0000 calc(50% - .5px),#ffffff47 calc(50% - .5px) calc(50% + .5px),#0000 calc(50% + .5px)),linear-gradient(#0000 calc(50% - .5px),#ffffff47 calc(50% - .5px) calc(50% + .5px),#0000 calc(50% + .5px)),#080c1d61;border-color:#ffffff8c}.hero .tzg:after{display:none}.ring{flex:none;width:64px;height:64px;position:relative}.ring svg{width:100%;height:100%;transform:rotate(-90deg)}.ring b{font-size:14px;font-family:var(--display);place-items:center;font-weight:800;display:grid;position:absolute;top:0;bottom:0;left:0;right:0}.ring .tr{stroke:#ffffff40}.ring .pr{stroke:#fff;transition:stroke-dashoffset .9s var(--ease)}.path{flex-direction:column;gap:12px;padding-left:0;display:flex;position:relative}.step{text-align:left;align-items:stretch;gap:14px;width:100%;display:flex;position:relative}.step .rail{flex-direction:column;flex:none;align-items:center;width:56px;display:flex;position:relative}.step .rail:after{content:"";background:repeating-linear-gradient(to bottom,var(--line2) 0 6px,transparent 6px 12px);border-radius:2px;width:3px;position:absolute;top:56px;bottom:-14px}.step:last-child .rail:after{display:none}.node{background:var(--surface);border:3px solid var(--line2);width:56px;height:56px;color:var(--ink3);box-shadow:0 4px 0 var(--line2);transition:transform .2s var(--ease);border-radius:50%;flex:none;place-items:center;display:grid;position:relative}.node svg{width:26px;height:26px}.step.done .node{background:var(--ok);border-color:var(--ok-d);color:var(--on-ok);box-shadow:0 4px 0 var(--ok-d)}.step.now .node{background:var(--primary);border-color:var(--primary-d);color:var(--primary-ink);box-shadow:0 4px 0 var(--primary-d)}.step.now .node:before{content:"";border:3px solid var(--primary);opacity:.5;border-radius:50%;animation:1.8s ease-out infinite pulse;position:absolute;top:-9px;bottom:-9px;left:-9px;right:-9px}@keyframes pulse{0%{opacity:.7;transform:scale(.85)}to{opacity:0;transform:scale(1.25)}}.step.test .node{background:var(--seal);border-color:var(--seal-d);color:var(--on-seal);box-shadow:0 4px 0 var(--seal-d)}.step .body{border-radius:var(--r-s);background:var(--surface);border:1px solid var(--line);min-width:0;box-shadow:var(--shadow);transition:transform .2s var(--ease),border-color .2s;flex:1;padding:12px 14px}.step:active .body{transform:scale(.985)}.step.now .body{border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 18%,transparent),var(--shadow)}.step .t{font-size:16.5px;font-weight:800;line-height:1.25}.step .s{color:var(--ink2);margin-top:2px;font-size:13.5px}.step .m{color:var(--ink3);align-items:center;gap:8px;margin-top:8px;font-size:12.5px;font-weight:700;display:flex}.step.locked{opacity:.55}.lesson-card{text-align:left;border-radius:var(--r);background:var(--surface);border:1px solid var(--line);width:100%;box-shadow:var(--shadow);align-items:center;gap:14px;padding:14px;display:flex}.lesson-card .n{width:48px;height:48px;font-family:var(--display);background:var(--primary-soft);color:var(--primary);border-radius:14px;flex:none;place-items:center;font-size:20px;font-weight:800;display:grid}.lesson-card.locked{opacity:.6}.lesson-card.locked .n{background:var(--bg2);color:var(--ink3)}.lesson-card .zh{font-size:22px;line-height:1.2}.opts{gap:10px;display:grid}.opts.two{grid-template-columns:1fr 1fr}.opt{background:var(--surface);border:2px solid var(--line2);min-height:58px;box-shadow:0 3px 0 var(--line2);text-align:left;transition:transform .12s var(--ease),border-color .2s,background .2s,box-shadow .12s;border-radius:16px;align-items:center;gap:12px;width:100%;padding:12px 16px;font-size:17px;font-weight:700;display:flex}.opt:active:not(:disabled){box-shadow:0 1px 0 var(--line2);transform:translateY(2px)}.opt .key{border:2px solid var(--line2);width:26px;height:26px;color:var(--ink3);border-radius:8px;flex:none;place-items:center;font-size:12px;font-weight:800;display:grid}.opt.sel{border-color:var(--primary);background:var(--primary-soft);box-shadow:0 3px 0 var(--primary)}.opt.ok{border-color:var(--ok);background:var(--ok-soft);box-shadow:0 3px 0 var(--ok);animation:pop .35s var(--ease)}.opt.bad{border-color:var(--bad);background:var(--bad-soft);box-shadow:0 3px 0 var(--bad);animation:.4s shake}.opt.dim{opacity:.55}.opt .zh{font-size:28px;line-height:1.1}.opts.big .opt{justify-content:center;min-height:84px;font-size:22px}.opts.big .opt .zh{font-size:36px}@keyframes pop{0%{transform:scale(.96)}50%{transform:scale(1.03)}to{transform:scale(1)}}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-7px)}40%{transform:translate(7px)}60%{transform:translate(-5px)}80%{transform:translate(4px)}}.tiles{flex-wrap:wrap;align-content:flex-start;gap:8px;min-height:62px;display:flex}.tile{background:var(--surface);border:2px solid var(--line2);min-width:52px;min-height:52px;box-shadow:0 3px 0 var(--line2);font-family:var(--hz);transition:transform .12s var(--ease);border-radius:14px;flex-direction:column;justify-content:center;align-items:center;padding:6px 14px;font-size:26px;font-weight:600;line-height:1.1;display:inline-flex}.tile:active{transform:translateY(2px)}.tile small{font-family:var(--font);margin-top:1px;font-size:12px;font-weight:700}.tile.used{opacity:.25;box-shadow:none;pointer-events:none}.answer{border-bottom:3px solid var(--line2);flex-wrap:wrap;align-content:flex-start;gap:8px;min-height:74px;padding:10px 4px;display:flex;position:relative}.answer.bad{border-color:var(--bad)}.answer.ok{border-color:var(--ok)}.pairs{grid-template-columns:1fr 1fr;gap:10px;display:grid}.pairs .col2{flex-direction:column;gap:10px;display:flex}.pairs .opt{text-align:center;justify-content:center;min-height:60px;font-size:16px}.pairs .opt.zhs{font-size:26px}.pairs .opt.gone{opacity:0;pointer-events:none;transition:all .35s var(--ease);transform:scale(.8)}.qbar{padding:calc(12px + env(safe-area-inset-top)) 16px 8px;align-items:center;gap:12px;width:100%;max-width:560px;margin:0 auto;display:flex}.meter{background:var(--bg2);border:1px solid var(--line);border-radius:99px;flex:1;height:16px;position:relative;overflow:hidden}.meter>i{background:linear-gradient(90deg,var(--ok),color-mix(in srgb,var(--ok) 70%,#fff));transition:width .5s var(--ease);border-radius:99px;position:absolute;top:0;bottom:0;left:0;right:auto}.meter>i:after{content:"";background:#ffffff59;border-radius:4px;height:4px;position:absolute;top:3px;left:8px;right:8px}.meter.blue>i{background:linear-gradient(90deg,var(--primary),color-mix(in srgb,var(--primary) 70%,#fff))}.qwrap{flex-direction:column;flex:1;width:100%;max-width:560px;margin:0 auto;padding:6px 16px 0;display:flex}.prompt{text-align:center;flex-direction:column;align-items:center;gap:10px;padding:10px 0 18px;display:flex}.prompt .zh.big{font-size:72px;line-height:1.05}.prompt .py{font-size:22px;font-weight:700}.prompt .ru{color:var(--ink2);font-size:19px;font-weight:600}.prompt .emoji{filter:drop-shadow(0 8px 10px #0000002e);font-size:82px;line-height:1;animation:3.4s ease-in-out infinite float}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-7px)}}.sound{background:var(--primary);width:96px;height:96px;color:var(--primary-ink);box-shadow:0 6px 0 var(--primary-d);border-radius:50%;place-items:center;transition:transform .12s;display:grid;position:relative}.sound:active{box-shadow:0 2px 0 var(--primary-d);transform:translateY(4px)}.sound svg{width:44px;height:44px}.sound.playing:before,.sound.playing:after{content:"";border:3px solid var(--primary);border-radius:50%;animation:1.1s ease-out infinite ripple;position:absolute;top:-6px;bottom:-6px;left:-6px;right:-6px}.sound.playing:after{animation-delay:.45s}@keyframes ripple{0%{opacity:.6;transform:scale(.9)}to{opacity:0;transform:scale(1.4)}}.sound.sm{width:52px;height:52px;box-shadow:0 4px 0 var(--primary-d)}.sound.sm svg{width:26px;height:26px}.sound.tiny{width:40px;height:40px;box-shadow:0 3px 0 var(--primary-d);flex:none}.sound.tiny svg{width:20px;height:20px}.sound.ghost{background:var(--primary-soft);color:var(--primary);box-shadow:0 3px 0 var(--line2)}.fb{z-index:40;padding:16px 16px calc(16px + env(safe-area-inset-bottom));border-top:2px solid var(--line);background:var(--surface);animation:slideup .3s var(--ease);position:fixed;bottom:0;left:0;right:0;box-shadow:0 -18px 40px -20px #00000059}.fb.ok{background:var(--ok-soft);border-color:var(--ok)}.fb.bad{background:var(--bad-soft);border-color:var(--bad)}.fb .ttl{font-family:var(--display);align-items:center;gap:8px;margin-bottom:6px;font-size:18px;font-weight:800;display:flex}.fb.ok .ttl{color:var(--ok)}.fb.bad .ttl{color:var(--bad)}.fb .why{margin-bottom:12px;font-size:15px}.fb-inner{max-width:560px;margin:0 auto}@keyframes slideup{0%{transform:translateY(100%)}to{transform:none}}.qfoot{z-index:5;padding:22px 0 calc(16px + env(safe-area-inset-bottom));background:linear-gradient(to bottom,transparent,var(--bg) 38%);margin-top:auto;position:sticky;bottom:0}.py-i{font-weight:700}.tabs{background:var(--bg2);border:1px solid var(--line);border-radius:16px;gap:6px;padding:5px;display:flex}.tabs button{height:40px;color:var(--ink2);transition:all .2s var(--ease);border-radius:12px;flex:1;font-size:14.5px;font-weight:800}.tabs button[aria-selected=true]{background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}.tonecard{border-radius:var(--r-s);border:2px solid var(--line);background:var(--surface);text-align:left;transition:transform .15s var(--ease),border-color .2s;flex-direction:column;gap:6px;padding:12px;display:flex;position:relative;overflow:hidden}.tonecard:active{transform:scale(.97)}.tonecard.t1{background:var(--t1f)}.tonecard.t2{background:var(--t2f)}.tonecard.t3{background:var(--t3f)}.tonecard.t4{background:var(--t4f)}.tonecard.on{border-color:currentColor}.tonecard .big{font-size:34px;font-weight:800;line-height:1}.tonecard svg.curve{width:100%;height:auto;max-height:84px}.curve path.base{fill:none;stroke:currentColor;opacity:.22;stroke-width:9px;stroke-linecap:round}.curve path.live{fill:none;stroke:currentColor;stroke-width:9px;stroke-linecap:round}.curve .lvl{stroke:currentColor;opacity:.12;stroke-width:1.2px;stroke-dasharray:3 5}.curve circle.dot{fill:currentColor;filter:drop-shadow(0 0 6px)}.sylgrid{grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:8px;display:grid}.cell{border:2px solid var(--line2);background:var(--surface);min-height:62px;box-shadow:0 3px 0 var(--line2);transition:transform .12s var(--ease),background .2s;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;font-size:20px;font-weight:800;display:flex;position:relative}.cell:active{box-shadow:0 1px 0 var(--line2);transform:translateY(2px)}.cell small{color:var(--ink3);letter-spacing:.02em;margin-top:2px;font-size:10.5px;font-weight:700}.cell.on{background:var(--primary-soft);border-color:var(--primary)}.cell.pair{background:var(--seal-soft)}.toneGrid{grid-template-columns:auto repeat(4,1fr);align-items:center;gap:8px;display:grid}.toneGrid .cell{min-height:58px;font-size:26px}.toneGrid .hd{text-align:center;color:var(--ink3);font-size:12px;font-weight:800}.toneGrid .rl{color:var(--ink3);padding-right:4px;font-size:15px;font-weight:800}.anatomy{flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;display:flex}.anatomy .box{border:2px dashed var(--line2);background:var(--surface);border-radius:14px;flex-direction:column;align-items:center;min-width:56px;padding:8px 10px;display:flex}.anatomy .box b{font-size:26px;line-height:1.1}.anatomy .box small{letter-spacing:.06em;text-transform:uppercase;color:var(--ink3);margin-top:2px;font-size:11px;font-weight:800}.anatomy .plus{color:var(--ink3);font-size:20px;font-weight:800}.arrow-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;display:flex}.ex-pill{background:var(--surface);border:2px solid var(--line2);box-shadow:0 3px 0 var(--line2);border-radius:16px;flex-direction:column;align-items:center;padding:10px 16px;display:inline-flex}.ex-pill b{font-size:22px}.ex-pill.real{background:var(--ok-soft);border-color:var(--ok);box-shadow:0 3px 0 var(--ok)}.flip{perspective:1200px;width:100%}.flip-in{width:100%;height:340px;transform-style:preserve-3d;transition:transform .6s var(--ease);position:relative}.flip.on .flip-in{transform:rotateY(180deg)}.face{-webkit-backface-visibility:hidden;backface-visibility:hidden;border:2px solid var(--line2);background:var(--surface);box-shadow:var(--shadow-lg);border-radius:28px;flex-direction:column;justify-content:center;align-items:center;gap:10px;padding:20px;display:flex;position:absolute;top:0;bottom:0;left:0;right:0}.face.back{background:linear-gradient(160deg,var(--primary-soft),var(--surface));transform:rotateY(180deg)}.face .zh{font-size:96px;line-height:1}.face .zh.long{font-size:66px}.bubble{align-items:flex-end;gap:10px;max-width:92%;display:flex}.bubble.B{flex-direction:row-reverse;align-self:flex-end}.avatar{color:#fff;background:var(--primary);border-radius:50%;flex:none;place-items:center;width:38px;height:38px;font-size:15px;font-weight:800;display:grid}.bubble.B .avatar{background:var(--seal)}.bubble .bx{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);text-align:left;transition:transform .15s var(--ease),border-color .2s;border-radius:20px 20px 20px 6px;padding:12px 16px;position:relative}.bubble.B .bx{background:var(--primary-soft);border-radius:20px 20px 6px}.bubble .bx:active{transform:scale(.98)}.bubble.now .bx{border-color:var(--primary);box-shadow:0 0 0 4px color-mix(in srgb,var(--primary) 20%,transparent),var(--shadow)}.bubble .zh{font-size:30px;line-height:1.15}.bubble .py{margin-top:2px;font-size:15px;font-weight:700}.bubble .ru{color:var(--ink2);margin-top:2px;font-size:14px}.scene{border-radius:var(--r);background:linear-gradient(135deg,var(--primary-soft),var(--seal-soft));border:1px solid var(--line);place-items:center;width:100%;height:120px;font-size:54px;display:grid;position:relative;overflow:hidden}.boardwrap{justify-content:center;display:flex}.strokecard{border-radius:var(--r-s);background:var(--surface);border:1px solid var(--line);align-items:center;gap:14px;padding:12px 14px;display:flex}.strokecard svg{width:56px;height:56px;color:var(--seal);flex:none}.charrow{grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:10px;display:grid}.charbtn{background:var(--surface);border:2px solid var(--line2);box-shadow:0 3px 0 var(--line2);border-radius:16px;flex-direction:column;align-items:center;gap:2px;padding:10px 4px 8px;transition:transform .12s;display:flex}.charbtn:active{transform:translateY(2px)}.charbtn.on{border-color:var(--seal);background:var(--seal-soft);box-shadow:0 3px 0 var(--seal)}.charbtn .zh{font-size:38px;line-height:1.1}.charbtn small{color:var(--ink2);font-size:12px;font-weight:700}.result{text-align:center;flex-direction:column;align-items:center;gap:14px;padding-top:16px;display:flex}.stamp{background:var(--seal);color:#fff;width:150px;height:150px;font-family:var(--hz);box-shadow:inset 0 0 0 5px #ffffff40,inset 0 0 0 9px var(--seal),0 14px 0 -4px var(--seal-d),0 30px 50px -10px #d63a258c;animation:stamp .7s var(--ease) both;border-radius:22px;place-items:center;font-size:86px;font-weight:900;line-height:1;display:grid;position:relative;transform:rotate(-8deg)}.stamp:after{content:"";mix-blend-mode:overlay;background:repeating-linear-gradient(115deg,#0000 0 6px,#ffffff14 6px 7px);border-radius:22px;position:absolute;top:0;bottom:0;left:0;right:0}.stamp.fail{background:var(--ink3);box-shadow:inset 0 0 0 5px #fff3,0 14px 0 -4px #555a70}@keyframes stamp{0%{opacity:0;transform:scale(2.6)rotate(-30deg)}55%{opacity:1;transform:scale(.92)rotate(-8deg)}70%{transform:scale(1.06)rotate(-8deg)}to{transform:scale(1)rotate(-8deg)}}.stars{justify-content:center;gap:10px;display:flex}.stars svg{width:46px;height:46px;color:var(--line2);transition:all .5s var(--ease)}.stars svg.on{color:var(--gold);filter:drop-shadow(0 4px 10px #f2b63299);animation:pop .6s var(--ease) both}.statrow{grid-template-columns:repeat(3,1fr);gap:10px;width:100%;display:grid}.stat{background:var(--surface);border:1px solid var(--line);text-align:center;border-radius:16px;padding:12px 8px}.stat b{font-family:var(--display);font-size:22px;font-weight:800;display:block}.stat small{color:var(--ink2);font-size:12px;font-weight:700}canvas.confetti{pointer-events:none;z-index:90;width:100%;height:100%;position:fixed;top:0;bottom:0;left:0;right:0}.badge{text-align:center;border-radius:var(--r-s);background:var(--surface);border:1px solid var(--line);color:var(--ink2);flex-direction:column;align-items:center;gap:6px;padding:12px 6px;font-size:12px;font-weight:700;display:flex}.badge .ic{background:var(--bg2);width:52px;height:52px;color:var(--ink3);border-radius:50%;place-items:center;display:grid}.badge .ic svg{width:26px;height:26px}.badge.got .ic{background:var(--gold);color:#3b2a00;box-shadow:0 4px 0 var(--gold-d)}.badge.got{color:var(--ink)}.badge:not(.got){opacity:.65}.bars{align-items:flex-end;gap:6px;height:90px;display:flex}.bars i{background:var(--primary);opacity:.85;min-height:4px;transition:height .8s var(--ease);border-radius:6px 6px 2px 2px;flex:1}.bars i.today{background:var(--seal);opacity:1}.bars i.zero{background:var(--line2);opacity:.6}.sheet-bg{z-index:80;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#0508168c;justify-content:center;align-items:flex-end;animation:.2s fade;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}.sheet{background:var(--surface);width:100%;max-width:560px;max-height:88vh;padding:10px 18px calc(24px + env(safe-area-inset-bottom));box-shadow:var(--shadow-lg);animation:slideup .35s var(--ease);border-radius:28px 28px 0 0;overflow:auto}.sheet .grab{background:var(--line2);border-radius:3px;width:44px;height:5px;margin:0 auto 14px}@keyframes fade{0%{opacity:0}to{opacity:1}}.toast{left:50%;top:calc(14px + env(safe-area-inset-top));z-index:95;background:var(--ink);color:var(--bg);box-shadow:var(--shadow-lg);animation:toast .4s var(--ease) both;text-align:center;border-radius:22px;align-items:center;gap:10px;max-width:calc(100vw - 24px);padding:12px 18px;font-weight:800;display:flex;position:fixed;transform:translate(-50%)}@keyframes toast{0%{opacity:0;transform:translate(-50%,-30px)}to{opacity:1;transform:translate(-50%)}}.toast svg{width:20px;height:20px;color:var(--gold)}.field{flex-direction:column;gap:8px;display:flex}.input{border:2px solid var(--line2);background:var(--surface);width:100%;min-height:54px;font:inherit;color:var(--ink);border-radius:16px;outline:none;padding:0 16px;font-size:18px;font-weight:700;transition:border-color .2s}.input:focus{border-color:var(--primary)}textarea.input{word-break:break-all;min-height:96px;padding:12px 16px;font-size:13px;font-weight:500}.switch{border-bottom:1px solid var(--line);text-align:left;justify-content:space-between;align-items:center;gap:14px;width:100%;padding:14px 0;display:flex}.switch:last-child{border:0}.switch .tg{background:var(--line2);border-radius:99px;flex:none;width:52px;height:32px;transition:background .25s;position:relative}.switch .tg:after{content:"";width:26px;height:26px;transition:transform .25s var(--ease);background:#fff;border-radius:50%;position:absolute;top:3px;left:3px;box-shadow:0 2px 4px #0000004d}.switch[aria-checked=true] .tg{background:var(--ok)}.switch[aria-checked=true] .tg:after{transform:translate(20px)}.seg{background:var(--bg2);border:1px solid var(--line);border-radius:16px;gap:6px;padding:5px;display:flex}.seg button{min-height:42px;color:var(--ink2);border-radius:12px;flex:1;justify-content:center;align-items:center;gap:6px;font-size:14px;font-weight:800;display:flex}.seg button svg{width:18px;height:18px}.seg button[aria-pressed=true]{background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}.welcome{flex-direction:column;justify-content:center;gap:22px;min-height:100dvh;padding:30px 0;display:flex}.welcome .big-zh{font-family:var(--hz);color:var(--ink);letter-spacing:-.02em;font-size:112px;font-weight:800;line-height:1.1}.welcome .big-zh em{color:var(--seal);font-style:normal}.skel{background:linear-gradient(90deg,var(--bg2),var(--surface2),var(--bg2));background-size:200% 100%;border-radius:12px;animation:1.2s linear infinite sk}@keyframes sk{to{background-position:-200% 0}}.empty{text-align:center;border:2px dashed var(--line2);border-radius:var(--r);color:var(--ink2);padding:28px 16px}@media (min-width:900px){.col,.qwrap{max-width:600px}.app{padding-top:8px}}@media (max-width:360px){.btn{gap:8px;padding:0 14px;font-size:15px}.row.nw>.btn{min-width:0}.h1{font-size:24px}.prompt .zh.big{font-size:60px}.face .zh{font-size:80px}.opt{padding:10px 12px;font-size:16px}}