:root{--bg:#f4f8fb;--ink:#26304f;--ink2:#3d4770;--soft:#5b6585;--line:#dfe6ef;--mint:#5fae9c;--mintdk:#2f7565;--okbg:#e5f5ef;--okb:#bfe3d4;--okt:#2c6a5b;--warnbg:#fff6e2;--warnt:#8a5a12;--warnb:#ead7ae;--badbg:#fdecea;--badt:#9a3412}
@font-face{font-family:Rubik;src:url(fonts/rubik-regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:Rubik;src:url(fonts/rubik-medium.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:Rubik;src:url(fonts/rubik-bold.woff2) format("woff2");font-weight:700;font-display:swap}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0}
body{font-family:Rubik,system-ui,sans-serif;color:var(--ink);background:var(--bg) linear-gradient(180deg,#eaf2f8 0%,#f4f8fb 45%,#eef5f2 100%) fixed;font-size:16.5px;line-height:1.5;min-height:100vh}
main{max-width:1320px;margin:0 auto;padding:14px 14px 10px;display:flex;flex-direction:column;gap:14px;min-height:100vh}
.i{width:1.15em;height:1.15em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.2em;flex:none}
.card{background:#fff;border:1px solid #e3e9f2;border-radius:18px;box-shadow:0 2px 10px rgba(40,60,110,.06)}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;background:rgba(255,255,255,.92);border:1px solid #e3e9f2;border-radius:18px;padding:10px 16px}
.top h1{margin:0;font-size:24px;line-height:1.2}
.kick{margin:0;color:var(--mintdk);font-weight:500;font-size:14.5px}
.dur{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;background:var(--okbg);border:1px solid var(--okb);color:var(--okt);border-radius:999px;padding:5px 12px;font-weight:500;font-size:15px}
.dur.big{font-size:16px;padding:7px 14px}
.start{max-width:640px;margin:4vh auto 0;padding:24px 24px 26px;display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.start h2{margin:6px 0 0;font-size:26px;line-height:1.25}
.start p{margin:0;color:var(--ink2)}
.steps{margin:4px 0 8px;padding:0;list-style:none;counter-reset:s;display:flex;flex-wrap:wrap;gap:8px}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 12px 5px 14px;font-size:15px;color:var(--ink2)}
.steps li::before{content:counter(s);display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--ink);color:#fff;font-size:13px;font-weight:700;margin-left:7px}
.btn{font:inherit;font-weight:500;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 20px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--mintdk);cursor:pointer;font-size:17px}
.btn.pri{background:var(--mint);border-color:var(--mint);color:#fff}
.btn.pri:active{background:var(--mintdk)}
.btn:disabled{opacity:.45;cursor:default}
.btn:focus-visible,.opt:focus-visible,canvas:focus-visible{outline:3px solid var(--mint);outline-offset:2px}
.lab{display:grid;grid-template-columns:1fr;gap:14px}
.stagewrap{position:relative;overflow:hidden;padding:0;background:linear-gradient(180deg,#f7fbfe,#eef4f9);display:flex;flex-direction:column}
#cv{display:block;width:100%;aspect-ratio:4/3.7;touch-action:manipulation;border-radius:18px 18px 0 0}
.hud{position:absolute;top:12px;right:12px;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:14px;padding:6px 14px;display:flex;flex-direction:column;align-items:center;line-height:1.1;pointer-events:none}
.hud .lbl{font-size:13.5px;color:var(--soft)}
.hud b{font-size:34px;font-variant-numeric:tabular-nums}
.side{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px}
.side h2{margin:0;font-size:22px;line-height:1.25}
.sp{margin:0;color:var(--ink2)}
.ctl{display:flex;flex-wrap:wrap;gap:10px}
.res{display:flex;flex-direction:column;gap:8px}
.ctl .btn{flex:1 1 auto}
.q{margin:2px 0 0;font-weight:500}
.opts{display:flex;flex-direction:column;gap:8px;width:100%}
.opt{font:inherit;text-align:right;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 14px;min-height:46px;color:var(--ink);cursor:pointer;display:flex;gap:10px;align-items:center}
.opt[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.opt.ok{background:var(--okbg);border-color:var(--okb);color:var(--okt)}
.opt.no{background:var(--badbg);border-color:#f3c9c0;color:var(--badt)}
.note{border-radius:14px;padding:10px 14px;margin:0}
.note.ok{background:var(--okbg);border:1px solid var(--okb);color:var(--okt)}
.note.warn{background:var(--warnbg);border:1px solid var(--warnb);color:var(--warnt)}
.note.bad{background:var(--badbg);border:1px solid #f3c9c0;color:var(--badt)}
.bars{display:flex;flex-direction:column;gap:8px;margin:2px 0}
.bar{display:grid;grid-template-columns:5.6em 1fr 2.4em;align-items:center;gap:8px;font-size:15px}
.bar i{display:block;height:16px;border-radius:999px;background:#e3eefb;position:relative;overflow:hidden}
.bar i s{position:absolute;top:0;bottom:0;right:0;left:auto;border-radius:999px;background:#7fb3d9}
.bar.soap i s{background:var(--mint)}
.bar b{font-variant-numeric:tabular-nums;text-align:left}
.trials{font-size:14px;color:var(--soft);margin:0}
.foot{margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;justify-content:flex-start}
.cred{margin:0;display:block;font-size:12.5px;color:var(--soft);line-height:1.4}
.cred a{color:var(--mintdk)}
.fb{display:inline-flex;align-items:center;gap:6px;color:var(--soft);font-size:14px;text-decoration:none;background:rgba(255,255,255,.85);border-radius:999px;padding:4px 12px;border:1px solid var(--line)}
@media (min-width:900px){
  main{padding:18px 22px 12px;height:100vh;min-height:0}
  .lab{grid-template-columns:minmax(0,1fr) 380px;align-items:stretch;flex:1;min-height:0}
  .stagewrap{display:flex}
  #cv{aspect-ratio:auto;flex:1;min-height:340px;height:0}
  .side{overflow:auto;align-self:start;max-height:100%}
  .top h1{font-size:28px}
  .start{margin-top:6vh}
}
@media (max-width:420px){.top{padding:8px 12px}.top h1{font-size:21px}.dur{font-size:14px;padding:4px 10px}.start{padding:18px 16px 20px}.start h2{font-size:22px}}
body.proj{font-size:20px}.proj .hud b{font-size:42px}.proj .btn{font-size:21px;min-height:56px}.proj .side h2{font-size:28px}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

.hud{min-width:118px}
.hud b{font-size:30px}
.hud .st{font-size:13px;color:var(--mintdk);font-weight:500;margin-top:3px;text-align:center;max-width:150px;line-height:1.25}
.hud .st.boil{color:#b4541a}
.grw{border-top:1px solid var(--line);background:rgba(255,255,255,.75);padding:4px 8px 4px}
#gr{display:block;width:100%;height:92px}
.tools{display:flex;flex-direction:column;gap:10px}
.tools:empty{display:none}
.tool{display:flex;flex-direction:column;gap:4px;background:#f8fbfd;border:1px solid var(--line);border-radius:14px;padding:8px 12px 9px}
.tool .tl{display:flex;align-items:center;gap:8px;font-weight:500;font-size:15.5px}
.tool .tl .i{color:var(--mintdk)}
.tool .tl output{margin-inline-start:auto;font-weight:500;color:var(--mintdk);font-variant-numeric:tabular-nums;font-size:15px}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:30px;background:transparent;margin:0;cursor:pointer;direction:rtl}
input[type=range]::-webkit-slider-runnable-track{height:8px;border-radius:999px;background:#dbe8f0}
input[type=range]::-moz-range-track{height:8px;border-radius:999px;background:#dbe8f0}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;border-radius:50%;background:var(--mint);border:3px solid #fff;box-shadow:0 1px 4px rgba(38,48,79,.3);margin-top:-9px}
input[type=range]::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:var(--mint);border:3px solid #fff;box-shadow:0 1px 4px rgba(38,48,79,.3)}
input[type=range]:focus-visible{outline:3px solid var(--mint);outline-offset:2px;border-radius:8px}
.seg{display:flex;gap:6px}
.seg button,.tg{font:inherit;font-size:15px;font-weight:500;flex:1 1 0;min-width:0;display:inline-flex;align-items:center;justify-content:center;gap:5px;min-height:42px;padding:0 6px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink2);cursor:pointer;white-space:nowrap}
.seg button[aria-pressed="true"],.tg[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.seg button:focus-visible,.tg:focus-visible{outline:3px solid var(--mint);outline-offset:2px}
.tgs{display:flex;gap:8px}
.charts{display:grid;grid-template-columns:1fr;gap:8px}
.chart{background:#f8fbfd;border:1px solid var(--line);border-radius:14px;padding:8px 10px 6px}
.chart h3{margin:0;font-size:15px;font-weight:500}
.chart canvas{display:block;width:100%;height:132px}
.chart p{margin:0;font-size:13.5px;color:var(--soft)}
.sum{display:grid;grid-template-columns:auto 1fr;gap:6px 10px;font-size:15px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 12px}
.sum b{color:var(--ink)}
.sum span{color:var(--ink2)}
@media (min-width:900px){.side{max-height:calc(100vh - 150px)}.charts{grid-template-columns:1fr}}

.sort{display:flex;flex-direction:column;gap:8px}
.si{background:#f8fbfd;border:1px solid var(--line);border-radius:14px;padding:8px 10px;display:flex;flex-direction:column;gap:6px}
.si.ok{background:#f3faf7;border-color:var(--okb)}
.sq{margin:0;font-weight:500;font-size:15.5px}
.sb{display:flex;gap:6px}
.sb button{font:inherit;font-size:15px;font-weight:500;flex:1 1 0;min-width:0;min-height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink2);cursor:pointer}
.sb button.ok{background:var(--okbg);border-color:var(--okb);color:var(--okt)}
.sb button.no{background:var(--badbg);border-color:#f3c9c0;color:var(--badt)}
.sb button:disabled:not(.ok){opacity:.5;cursor:default}
.sb button:focus-visible{outline:3px solid var(--mint);outline-offset:2px}
.sf:empty{display:none}
.sf .note{font-size:14.5px;padding:7px 12px}

.top{flex-wrap:wrap}
@media (max-width:600px){.top .mlchip-w{order:3;flex-basis:100%;display:flex}.top .dur{margin-inline-start:auto}}
.a11y{font-size:12.5px;color:var(--soft)}.a11y summary{cursor:pointer;color:var(--mintdk)}.a11y p{margin:4px 0 0;max-width:640px}


/* ===== cell-division-sim ===== */
:root{--mcol:#e0704f;--pcol:#2f86b8}
.tabs{display:flex;gap:6px;background:#eef3f8;border:1px solid var(--line);border-radius:14px;padding:4px}
.tabs button{font:inherit;font-weight:500;font-size:15.5px;min-height:42px;padding:0 16px;border-radius:11px;border:0;background:transparent;color:var(--ink2);cursor:pointer;white-space:nowrap}
.tabs button[aria-selected="true"]{background:#fff;color:var(--ink);box-shadow:0 1px 4px rgba(38,48,79,.14)}
.tabs button:focus-visible{outline:3px solid var(--mint);outline-offset:2px}
.top .tt{flex:1 1 auto}
.intro{position:relative;min-height:calc(100vh - 140px);border-radius:22px;overflow:hidden;display:flex;align-items:center;justify-content:flex-start;padding:28px;background:linear-gradient(135deg,#e6f3ee 0%,#eaf1f9 55%,#fbefe6 100%);box-shadow:0 6px 30px rgba(38,48,79,.10)}
.introart{position:absolute;inset:0}
.introart canvas{width:100%;height:100%;display:block}
.introcard{position:relative;max-width:540px;background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:20px;padding:24px 26px 22px;display:flex;flex-direction:column;gap:12px;box-shadow:0 10px 34px rgba(20,30,60,.14)}
.introcard .when{margin:0;color:var(--mintdk);font-weight:500;font-size:15px}
.introcard h2{margin:0;font-size:32px;line-height:1.15}
.introcard p{margin:0;color:var(--ink2)}
.introbtm{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:4px}
.who{display:flex;gap:12px;align-items:flex-start;background:#f6faf8;border:1px solid var(--okb);border-radius:16px;padding:10px 12px}
.who img{width:58px;height:58px;border-radius:50%;flex:none;object-fit:cover;border:2px solid #fff;box-shadow:0 1px 4px rgba(38,48,79,.2)}
.who p{color:var(--ink)!important;font-size:16px}
.say{display:flex;gap:10px;align-items:flex-start;background:#f6faf8;border:1px solid var(--okb);border-radius:14px;padding:8px 10px}
.say img{width:46px;height:46px;border-radius:50%;flex:none;object-fit:cover}
.say p{margin:0;font-size:15px;line-height:1.4}
.say b{display:block;font-size:13.5px;color:var(--mintdk)}
.chbar{display:flex;align-items:center;gap:6px;margin-bottom:2px}
.chbar .sg{flex:1;height:8px;border-radius:99px;background:#e6edf4}
.chbar .sg.done{background:var(--mint)}
.chbar .sg.cur{background:#f0a97f}
.side .kick{font-size:14.5px}
.stagewrap{min-height:0}
#cv{aspect-ratio:1000/760}
.hud{position:absolute;top:10px;right:10px;left:auto;background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:14px;padding:7px 12px;display:grid;grid-template-columns:auto auto;gap:2px 12px;font-size:15px;align-items:baseline;max-width:calc(100% - 20px)}
.hud span{color:var(--soft)}
.hud b{font-size:18px;font-variant-numeric:tabular-nums;color:var(--ink)}
.legend{position:absolute;top:10px;left:10px;background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:14px;padding:6px 12px;display:flex;flex-direction:column;gap:3px;font-size:14.5px}
.legend i{display:inline-block;width:22px;height:12px;border-radius:6px;vertical-align:-1px;margin-left:6px}
.ubar{position:absolute;bottom:10px;left:10px;right:10px;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.ubar .btn{background:rgba(255,255,255,.97);box-shadow:0 2px 10px rgba(38,48,79,.14);flex:1 1 220px;max-width:420px;min-height:52px;font-size:16.5px;text-align:center;line-height:1.25;padding:6px 14px}
.ubar .btn.pri{background:var(--mint);color:#fff}
.ubar .btn.no{background:var(--badbg);border-color:#f3c9c0;color:var(--badt)}
.board{position:relative;padding:14px;overflow:auto;flex:1}
.cmp{width:100%;border-collapse:separate;border-spacing:0 8px;font-size:16px}
.cmp th{font-weight:700;text-align:center;padding:4px 6px;font-size:16px}
.cmp th:first-child{text-align:right}
.cmp td{background:#f8fbfd;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:8px 8px;vertical-align:middle}
.cmp td:first-child{border-right:1px solid var(--line);border-radius:0 12px 12px 0;font-weight:500}
.cmp td:last-child{border-left:1px solid var(--line);border-radius:12px 0 0 12px}
.ch{display:flex;gap:6px;justify-content:center}
.ch button{font:inherit;font-size:16px;font-weight:500;min-width:58px;min-height:44px;padding:0 10px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink2);cursor:pointer}
.ch button.ok{background:var(--okbg);border-color:var(--okb);color:var(--okt)}
.ch button.no{background:var(--badbg);border-color:#f3c9c0;color:var(--badt)}
.ch button:disabled:not(.ok){opacity:.45;cursor:default}
.ch button:focus-visible{outline:3px solid var(--mint);outline-offset:2px}
.cmp .mitH{color:#2f6f62}.cmp .meiH{color:#a24a2c}
textarea{font:inherit;width:100%;min-height:110px;border:1px solid var(--line);border-radius:14px;padding:10px 12px;resize:vertical;color:var(--ink);background:#fff}
textarea:focus-visible{outline:3px solid var(--mint);outline-offset:2px}
.rules{margin:0;padding:0 18px 0 0;display:flex;flex-direction:column;gap:6px}
.rules li{color:var(--ink)}
.big3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.big3 div{background:#f8fbfd;border:1px solid var(--line);border-radius:14px;padding:8px;text-align:center}
.big3 b{display:block;font-size:22px;font-variant-numeric:tabular-nums}
.big3 span{font-size:13.5px;color:var(--soft)}
.ph{display:flex;flex-wrap:wrap;gap:5px}
.ph span{font-size:13.5px;padding:3px 9px;border-radius:99px;background:#eef3f8;color:var(--soft);border:1px solid var(--line)}
.ph span.cur{background:var(--ink);color:#fff;border-color:var(--ink)}
.ph span.done{background:var(--okbg);color:var(--okt);border-color:var(--okb)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
@media (min-width:900px){
  .lab{grid-template-columns:minmax(0,1fr) 400px}
  #cv{aspect-ratio:auto;flex:1;min-height:300px;height:0}
  .side{max-height:100%;align-self:stretch;min-height:0}
  .lab{grid-template-rows:minmax(0,1fr)}
}
@media (max-width:899px){
  .board{min-height:0}
  .ubar{position:static;padding:8px;background:#f3f7fa;border-top:1px solid var(--line)}
  .ubar .btn{flex:1 1 100%;max-width:none}
  .hud{position:static;margin:0;border-radius:0;border-width:1px 0 0;grid-template-columns:repeat(2,auto);justify-content:center;max-width:none;order:3;font-size:14.5px;padding:6px 10px}.hud b{font-size:16px}
  .legend{position:static;flex-direction:row;flex-wrap:wrap;justify-content:center;gap:4px 14px;border-radius:0;border-width:1px 0 0;order:4}
}
@media (max-width:600px){.tabs{order:3;flex-basis:100%}.tabs button{flex:1}}
@media (max-width:420px){.introcard{padding:18px 16px}.introcard h2{font-size:26px}.intro{padding:12px;align-items:flex-end;min-height:calc(100vh - 170px)}.cmp{font-size:14.5px}.ch button{min-width:46px;font-size:15px}}

.side{gap:8px}.side .opts .opt{min-height:42px;padding:8px 12px}.note{padding:8px 12px}

/* ===== two tracks: chooser + chip (shared spec, Nov 11 2026) ===== */
.trkpick{display:flex;flex-direction:column;gap:8px;margin-top:2px}
.trkpick h3{margin:0;font-size:16px;font-weight:700;color:var(--ink)}
.trk2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.trkc{font:inherit;text-align:right;display:flex;gap:10px;align-items:flex-start;background:#fff;border:2px solid var(--line);border-radius:16px;padding:11px 13px;min-height:72px;cursor:pointer;color:var(--ink);line-height:1.35;transition:border-color .15s}
.trkc:hover,.trkc.cur{border-color:var(--mint)}
.trkc:focus-visible{outline:3px solid var(--mint);outline-offset:2px}
.trkc .ti{width:28px;height:28px;color:var(--mintdk);margin-top:1px}
.trkc .tx{display:flex;flex-direction:column;gap:1px;min-width:0}
.trkc b{font-size:17px}
.trkc .ln{font-size:14.5px;color:var(--ink2)}
.trkc small{font-size:13.5px;color:var(--soft)}
.trknote{font-size:13.5px;color:var(--soft)!important}
@media (max-width:560px){.trk2{grid-template-columns:1fr}}
.trk{font:inherit;font-weight:500;font-size:15px;display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:0 12px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink2);cursor:pointer;white-space:nowrap}
.trk:hover{border-color:var(--mint)}
.trk .i{color:var(--mintdk)}.trk .sw{width:1em;height:1em;color:var(--soft)}
.trk:focus-visible{outline:3px solid var(--mint);outline-offset:2px}
@media (max-width:600px){.top .trk{order:2}}
/* advanced: locked prediction, numeric answers */
.lockh{margin:0;display:flex;align-items:center;gap:6px;font-size:14px;color:var(--soft)}
.pred .opt[aria-pressed="true"] .i{margin-inline-start:auto}
.numrow{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.num{font:inherit;font-size:18px;width:7.5em;min-height:46px;border:1px solid var(--line);border-radius:12px;padding:0 12px;text-align:center;color:var(--ink);background:#fff;font-variant-numeric:tabular-nums}
.num:focus-visible{outline:3px solid var(--mint);outline-offset:2px}
.num.ok{background:var(--okbg);border-color:var(--okb);color:var(--okt)}
.num.no{background:var(--badbg);border-color:#f3c9c0}
.numrow .unit{color:var(--ink2)}
.numrow .btn{min-height:46px}
.preds{margin:0;padding:0 18px 0 0;display:flex;flex-direction:column;gap:4px;font-size:15px;color:var(--ink2)}
.preds li.hit{color:var(--okt)}
.note.resume{background:#f3f7fa;border:1px solid var(--line);color:var(--ink2);font-size:14.5px}
.note.ins{background:#f3f7fa;border:1px solid var(--line);color:var(--ink)}
@media (min-width:900px){.introcard{max-width:600px}}

/* tracks-depth v1 (shared look for the bio sims; Nov 11) */
.intro{--trkbg:url(img/start-bg.webp);isolation:isolate;border:0;padding-top:170px;align-items:flex-start;box-shadow:0 2px 6px rgba(20,40,60,.08),0 18px 40px rgba(20,40,60,.16)}
.intro::before{content:"";position:absolute;inset:-8px;z-index:-2;background:var(--trkbg) center 30%/cover no-repeat;filter:saturate(1.05)}
.intro::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.08) 22%,rgba(246,249,248,.70) 48%,rgba(246,249,248,.90) 70%,rgba(246,249,248,.94) 100%)}
.intro .introart{display:none!important}
.introcard{max-width:620px;background:rgba(255,255,255,.82);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:0;border-radius:16px;box-shadow:0 6px 18px rgba(20,40,60,.14)}
.trkpick h3{font-size:19px}
.trk2{gap:14px}
.trkc{align-items:center;gap:12px;border:1px solid rgba(255,255,255,.9);border-radius:18px;padding:14px 16px;min-height:88px;background:linear-gradient(165deg,#ffffff 0%,#f8fbfa 60%,#eff5f3 100%);box-shadow:0 1px 2px rgba(20,40,60,.08),0 10px 24px rgba(20,40,60,.14);transition:transform .18s ease,box-shadow .18s ease,border-color .18s}
.trkc:hover,.trkc.cur{transform:translateY(-3px);box-shadow:0 2px 4px rgba(20,40,60,.10),0 16px 34px rgba(20,40,60,.20);border-color:#3f9a86}
.trkc .ic{flex:none;display:grid;place-items:center;width:58px;height:58px;border-radius:16px;box-shadow:inset 0 -3px 0 rgba(0,0,0,.06),0 4px 10px rgba(20,40,60,.12)}
.trkc .ic .ti{width:30px;height:30px;margin:0;stroke-width:2.1;color:inherit}
.trkc[data-track="basic"] .ic{background:linear-gradient(145deg,#e9f6f0,#bfe3d4);color:#2a6f60}
.trkc[data-track="adv"] .ic{background:linear-gradient(145deg,#fdf1e2,#f3cf9f);color:#9a5a12}
.trkc b{font-size:18.5px}
.trknote{color:#4a5470!important}
@media (max-width:560px){.intro{padding-top:150px}.trkc{min-height:78px}.trkc .ic{width:50px;height:50px}}
@media (max-width:420px){.intro{padding:150px 12px 12px;align-items:flex-start}}
@media (prefers-reduced-motion:reduce){.trkc{transition:none}.trkc:hover{transform:none}}