@font-face{font-family:Serif4;src:url(/fonts/source-serif-4-latin-ext-400-normal.woff2) format("woff2");font-weight:400;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,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:Serif4;src:url(/fonts/source-serif-4-latin-ext-600-normal.woff2) format("woff2");font-weight:600;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,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:Nunito;src:url(/fonts/nunito-sans-latin-ext-400-normal.woff2) format("woff2");font-weight:400;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,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:Nunito;src:url(/fonts/nunito-sans-latin-ext-600-normal.woff2) format("woff2");font-weight:600;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,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:Nunito;src:url(/fonts/nunito-sans-latin-ext-700-normal.woff2) format("woff2");font-weight:700;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,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:Serif4;src:url(/fonts/source-serif-4-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:Serif4;src:url(/fonts/source-serif-4-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:Nunito;src:url(/fonts/nunito-sans-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:Nunito;src:url(/fonts/nunito-sans-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:Nunito;src:url(/fonts/nunito-sans-latin-700-normal.woff2) format("woff2");font-weight:700;font-display:swap}
:root{--plum:#4A1A4F;--plum2:#6B2F70;--bg:#FBF3F8;--card:#fff;--line:#EEE1EA;--ink:#2B2230;--mut:#75687C;--gold:#B8963A;--gold2:#E3CD86;--pink:#E0619E;--ok:#2F7A55;--tabh:66px;--s:env(safe-area-inset-bottom,0px)}
[hidden]{display:none!important}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:#EFE6EC;color:var(--ink);font:400 16px/1.45 Nunito,system-ui,sans-serif}
#app{max-width:480px;min-height:100dvh;margin:0 auto;background:var(--bg);padding:20px 16px calc(var(--tabh) + 28px + var(--s));position:relative;overflow-x:hidden}
#app.full{padding-bottom:140px}
h1,h2,h3{font-family:Serif4,Georgia,serif;font-weight:600;line-height:1.18;margin:0}
h1{font-size:30px}h2{font-size:22px}h3{font-size:17px}
p{margin:0}.mut{color:var(--mut)}.small{font-size:14px}.xs{font-size:12.5px}.gold{color:var(--gold)}.b{font-weight:700}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,textarea,select{font:inherit;color:var(--ink);width:100%;padding:14px 15px;border:1px solid var(--line);border-radius:12px;background:#fff;min-height:48px}
input:focus,textarea:focus{outline:2px solid var(--plum2);outline-offset:1px}
label{display:block;font-size:14px;font-weight:600;margin:14px 0 6px}
a{color:var(--plum)}
.rule{width:44px;height:8px;margin:8px 0 12px;background:radial-gradient(circle 3px at 50% 50%,var(--gold) 98%,transparent),linear-gradient(var(--gold2),var(--gold2)) center/100% 1px no-repeat}
.btn{display:block;width:100%;min-height:50px;padding:13px 18px;border-radius:13px;background:var(--plum);color:#fff;font-weight:700;text-align:center;text-decoration:none}
.btn.alt{background:#fff;color:var(--plum);border:1px solid var(--line)}.btn.sm{min-height:42px;padding:9px 14px;font-size:14.5px}
.btn:disabled{opacity:.45}
.btnbar{position:fixed;left:0;right:0;bottom:0;z-index:5;max-width:480px;margin:0 auto;padding:12px 16px calc(12px + var(--s));background:linear-gradient(transparent,var(--bg) 26%)}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px;display:block;width:100%;text-align:left;text-decoration:none;color:inherit}
.stack>*+*{margin-top:12px}
.row{display:flex;align-items:center;gap:12px}.grow{flex:1;min-width:0}
.top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.back{display:inline-flex;align-items:center;gap:4px;font-weight:600;color:var(--plum);min-height:44px;padding-right:12px;text-decoration:none}
.pill{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:99px;background:#F3E7EF;font-size:13px;font-weight:600}
.hero{background:linear-gradient(135deg,var(--plum),var(--plum2));color:#fff;border-radius:18px;padding:16px;display:block;width:100%;text-align:left;text-decoration:none}
.hero .mut{color:#E6D5E8}
.heroGold{background:linear-gradient(135deg,#C9AC55,#A98630)}
.bar{height:6px;border-radius:9px;background:#ffffff40;overflow:hidden;margin-top:10px}.bar i{display:block;height:100%;background:var(--gold2)}
.bar.d{background:var(--line)}.bar.d i{background:var(--plum)}
/* tabs */
#tabs{position:fixed;left:0;right:0;bottom:0;z-index:6;max-width:480px;margin:0 auto;height:calc(var(--tabh) + var(--s));padding-bottom:var(--s);display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid var(--line)}
#tabs a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--mut);font-size:11.5px;font-weight:600;text-decoration:none;min-width:0}
#tabs a.on{color:var(--plum)}#tabs svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
/* weg */
.path{position:relative;padding:8px 0}
.part{margin:18px 0 8px}
.node{display:flex;flex-direction:column;align-items:center;width:112px;text-decoration:none;color:var(--ink);text-align:center;font-size:13.5px;font-weight:600;line-height:1.2}
.node i{width:62px;height:62px;border-radius:50%;margin-bottom:6px;display:grid;place-items:center;font-style:normal;font-family:Serif4,serif;font-size:20px;background:#fff;border:2px solid var(--line);color:var(--mut)}
.node.done i{background:radial-gradient(circle at 35% 30%,#EFDFA6,#B8963A);border-color:#D9C071;color:#fff}
.node.cur i{background:var(--plum);border-color:var(--plum);color:#fff;box-shadow:0 0 0 6px #4a1a4f22}
.wrapN{display:flex}.wrapN.l{justify-content:flex-start;padding-left:14%}.wrapN.r{justify-content:flex-end;padding-right:14%}.wrapN.c{justify-content:center}
/* grids */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none;color:inherit;display:block;min-width:0}
.pcard .th{height:96px;background:#F7EEF4;display:block;overflow:hidden}.pcard .th svg{display:block;width:100%;height:100%}
.pcard .tx{padding:9px 10px 11px}
.pcard b{font-family:Serif4,serif;font-weight:600;display:block;font-size:15px;line-height:1.2}
.dots{color:var(--gold);letter-spacing:1px;font-size:11px}
.chips{display:flex;gap:8px;overflow-x:auto;padding:2px 0 10px;margin:0 -16px;padding-left:16px;scrollbar-width:none}
.chip{flex:none;min-height:40px;padding:8px 14px;border-radius:99px;background:#fff;border:1px solid var(--line);font-weight:600;font-size:14px}
.chip.on{background:var(--plum);color:#fff;border-color:var(--plum)}
.opt{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.opt button{background:#fff;border:1px solid var(--line);border-radius:11px;min-height:54px;font-weight:700;font-size:14.5px;line-height:1.1;padding:6px 2px}.opt small{display:block;font-weight:400;font-size:11px;color:var(--mut)}.opt .on{background:var(--plum);color:#fff;border-color:var(--plum)}.opt .on small{color:#E6D5E8}
.opt3{grid-template-columns:repeat(3,1fr)}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:10px}.facts div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:9px 12px}.facts span{display:block;font-size:12.5px;color:var(--mut)}.facts b{font-size:15.5px}
.shop{display:flex;align-items:center;gap:10px;padding:10px 12px;background:#fff;border:1px solid var(--line);border-radius:12px}
.sw{width:30px;height:30px;border-radius:50%;flex:none;border:1px solid #0002;display:grid;place-items:center;font-size:12px;font-weight:700}
.ok{color:var(--ok);font-weight:600}
/* lesson player */
.player{background:#1f1423;border-radius:16px;overflow:hidden;position:relative}
.stage{background:#FBF7F1;aspect-ratio:300/250;position:relative}
.animsvg{width:100%;height:100%;display:block}
.ctrl{display:flex;align-items:center;justify-content:center;gap:20px;padding:10px 8px 0}
.round{width:46px;height:46px;border-radius:50%;background:#ffffffe0;color:var(--plum);display:grid;place-items:center;font-weight:700;font-size:13px}
.seek{display:flex;align-items:center;gap:8px;color:#fff;font-size:12.5px;padding:8px 12px}.seek input{padding:0;min-height:24px;border:0;background:none;accent-color:var(--gold2)}
.speed{display:grid;grid-template-columns:repeat(3,1fr) 1.5fr;gap:8px;margin-top:10px}
.speed button{min-height:46px;border:1px solid var(--line);background:#fff;border-radius:11px;font-weight:700;font-size:14px}.speed .on{background:var(--plum);color:#fff;border-color:var(--plum)}
.chap{display:flex;gap:12px;align-items:center;padding:10px 12px;width:100%;text-align:left;background:#fff;border:1px solid var(--line);border-radius:12px;min-height:46px;font-weight:600;font-size:14.5px}.chap b{color:var(--gold);font-size:13px;font-weight:700;width:34px;flex:none}.chap.on{border-color:var(--plum);box-shadow:inset 0 0 0 1px var(--plum)}
.stepnum{width:38px;height:38px;border-radius:50%;background:var(--plum);color:#fff;display:grid;place-items:center;font-weight:700;font-family:Serif4,serif;margin-bottom:12px}
.ans{display:flex;gap:10px;align-items:center;width:100%;min-height:54px;padding:10px 14px;text-align:left;background:#fff;border:1.5px solid var(--line);border-radius:13px;font-weight:600}
.ans i{font-style:normal;width:26px;height:26px;flex:none;border:1px solid var(--line);border-radius:7px;display:grid;place-items:center;font-size:13px}
.ans.on{border-color:var(--plum)}.ans.good{border-color:var(--ok);background:#EEF8F2}.ans.bad{border-color:#C3475A;background:#FCEFF1}
.chk{display:flex;gap:12px;align-items:center;width:100%;min-height:56px;padding:10px 14px;text-align:left;background:#fff;border:1px solid var(--line);border-radius:13px;font-weight:600}
.chk i{width:26px;height:26px;flex:none;border:1.5px solid var(--plum2);border-radius:7px;font-style:normal;display:grid;place-items:center;color:#fff}.chk.on i{background:var(--plum)}
.tbl{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden}.tbl td{padding:10px 12px;border-bottom:1px solid var(--line);font-size:14.5px;vertical-align:top}.tbl td:first-child{font-weight:700;width:42%}
ul.li{margin:0;padding:0;list-style:none}ul.li li{padding:10px 12px 10px 30px;background:#fff;border:1px solid var(--line);border-radius:11px;position:relative;margin-top:8px}ul.li li:before{content:"";position:absolute;left:13px;top:18px;width:7px;height:7px;border-radius:50%;background:var(--gold)}
.tip{background:#F4EAF6;border:1px solid #E5D3EA;border-radius:14px;padding:14px}
.pageimg{width:100%;display:block;border-radius:10px;border:1px solid var(--line)}
/* weben */
.wtop{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;color:var(--gold);font-weight:700;font-size:14px}
.rowcard{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px}
.runs{display:flex;flex-wrap:wrap;gap:10px;margin:8px 0 10px}.run{display:flex;align-items:center;gap:6px;font-weight:700}
.beads{display:flex;gap:2px;flex-wrap:wrap}.beads i{width:14px;height:17px;border-radius:4px;border:1px solid #0003}
.tools{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:10px 0}.tools button{background:#fff;border:1px solid var(--line);border-radius:12px;min-height:60px;font-size:12.5px;font-weight:600;line-height:1.1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:6px 2px}.tools .red{color:#B23A55}.tools .on{border-color:var(--plum);background:#F4EAF6}
.tools svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.two{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.board{background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;overflow:hidden}.board svg{display:block;width:100%;height:auto;max-height:260px}
.board.big svg{max-height:none;width:150%;margin-left:-25%}
.leg{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.leg button{display:flex;align-items:center;gap:6px;min-height:40px;padding:4px 12px 4px 6px;border:1px solid var(--line);background:#fff;border-radius:99px;font-size:13.5px;font-weight:600}.leg .on{border-color:var(--plum);box-shadow:inset 0 0 0 1px var(--plum)}
.weave{display:grid;grid-template-columns:58px 1fr;gap:10px;align-items:center}
.weave .xs{white-space:nowrap;font-size:11px}
.mic{width:54px;height:54px;border-radius:50%;background:var(--plum);color:#fff;display:grid;place-items:center}.mic.on{background:#C3475A}.mic svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8}
/* chat */
#log{display:flex;flex-direction:column;gap:10px}
.msg{max-width:88%;padding:11px 13px;border-radius:15px;font-size:15.5px;background:#fff;border:1px solid var(--line);overflow-wrap:anywhere}.msg.user{align-self:flex-end;background:var(--plum);color:#fff;border-color:var(--plum)}.msg img{max-width:100%;border-radius:9px;margin-bottom:6px;display:block}
.composer{position:fixed;left:0;right:0;bottom:calc(var(--tabh) + var(--s));z-index:5;max-width:480px;margin:0 auto;display:flex;gap:8px;padding:9px 12px;background:var(--bg);border-top:1px solid var(--line)}
.composer input[type=text]{flex:1;min-width:0;border-radius:99px}.cbtn{margin:0;width:48px;height:48px;flex:none;border-radius:50%;background:#fff;border:1px solid var(--line);display:grid;place-items:center;color:var(--plum);cursor:pointer}.cbtn.send{background:var(--plum);color:#fff}.cbtn.rec{background:#C3475A;color:#fff}.cbtn svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.login{min-height:calc(100dvh - 40px);display:flex;flex-direction:column;justify-content:center}
.err{color:#B23A55;font-size:14.5px;font-weight:600;margin-top:10px;min-height:20px}
.link{display:block;width:100%;min-height:44px;text-align:center;font-weight:700;text-decoration:underline;color:var(--plum);padding:10px}
/* sheet */
#sheet{position:fixed;inset:0;z-index:20;background:#2b223099;display:flex;align-items:flex-end;justify-content:center}
.sbody{background:var(--bg);width:100%;max-width:480px;border-radius:20px 20px 0 0;padding:16px 16px calc(18px + var(--s));max-height:86dvh;overflow:auto}
.saved{color:var(--ok);font-weight:700;text-align:center;font-size:14px;padding:8px}
@media (min-width:700px){body{padding:0}}