.lesson-wrap{width:100%;max-width:1180px;margin:0 auto;padding:24px 30px 90px}.lesson-hero{margin-bottom:18px}.lesson-hero .lh-eyebrow{letter-spacing:.12em;text-transform:uppercase;color:var(--primary);font-size:12px;font-weight:800}.lesson-hero h1{color:var(--ink);margin:6px 0 8px;font-size:clamp(28px,3.4vw,40px);font-weight:850;line-height:1.08}.lesson-hero .lh-sub{color:var(--muted);max-width:760px;font-size:17px;line-height:1.55}.lh-meta{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.lh-progress{max-width:560px;margin-top:16px}.lh-progress .lhp-top{color:var(--muted);justify-content:space-between;align-items:baseline;margin-bottom:6px;font-size:13px;font-weight:650;display:flex}.lh-progress .lhp-top b{color:var(--ink)}.lh-bar{background:#e9eef6;border-radius:999px;height:9px;overflow:hidden}.lh-bar>span{background:linear-gradient(90deg,#1252d1,#4b86f5);border-radius:999px;height:100%;transition:width .35s;display:block}.lesson-stepper{flex-wrap:wrap;gap:8px;margin:22px 0 18px;display:flex}.lstep{border:1px solid var(--card-line);color:var(--ink-soft);cursor:pointer;background:#fff;border-radius:999px;align-items:center;gap:8px;padding:7px 14px 7px 9px;font-family:inherit;font-size:13.5px;font-weight:650;transition:all .15s;display:inline-flex}.lstep:hover{color:var(--ink);border-color:#b9cdf3}.lstep .lstep-n{width:22px;height:22px;color:var(--muted);background:#eef2f7;border-radius:999px;flex:none;place-items:center;font-size:12px;font-weight:800;display:grid}.lstep.is-active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 6px 16px #1252d147}.lstep.is-active .lstep-n{color:#fff;background:#ffffff40}.lstep.is-done{border-color:#cdebd9}.lstep.is-done .lstep-n{color:#1f9d6b;background:#e4f6ec}.lstep.is-done.is-active .lstep-n{color:#fff;background:#ffffff40}.lstep-check{fill:currentColor;width:13px;height:13px}.lesson-grid{grid-template-columns:minmax(0,1fr) 312px;align-items:start;gap:24px;display:grid}.lesson-col{min-width:0}.lesson-rail{flex-direction:column;gap:14px;display:flex;position:sticky;top:22px}.lpanel{display:none}.lpanel.is-active{animation:.28s lfade;display:block}@keyframes lfade{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.lesson-head{margin-bottom:16px}.lesson-head .eyebrow{letter-spacing:.1em;text-transform:uppercase;color:var(--primary);font-size:12px;font-weight:800}.lesson-head h2{color:var(--ink);margin-top:4px;font-size:clamp(22px,2.6vw,28px);font-weight:800;line-height:1.15}.lcard{background:var(--card);border:1px solid var(--card-line);box-shadow:var(--card-shadow);border-radius:18px;margin-bottom:14px;padding:20px 22px}.lcard__head{align-items:center;gap:10px;margin-bottom:12px;display:flex}.lcard__num{background:var(--banner);width:26px;height:26px;color:var(--primary);border-radius:8px;flex:none;place-items:center;font-size:13px;font-weight:800;display:grid}.lcard__title{color:var(--ink);font-size:16px;font-weight:800}.l-goal{background:linear-gradient(160deg,#f4f8ff,#eef4ff);border-color:#dbe6fb}.l-goal .goal-text{color:var(--ink);font-size:17.5px;font-weight:600;line-height:1.5}.l-step{border-top:1px solid #f0f3f8;gap:13px;padding:11px 0;display:flex}.l-step:first-of-type{border-top:0;padding-top:2px}.l-step .sn{width:27px;height:27px;color:var(--primary);background:#eaf0fb;border-radius:999px;flex:none;place-items:center;margin-top:1px;font-size:13px;font-weight:800;display:grid}.l-step .st{color:var(--ink-soft);font-size:15.5px;line-height:1.55}.l-try{color:#fff;background:#0f1f3d;border-color:#0f1f3d}.l-try .lcard__title{color:#fff}.l-try .lcard__num{color:#cfe0ff;background:#ffffff24}.l-try .try-hint{color:#aebfe0;margin-bottom:12px;font-size:13.5px}.l-prompt{color:#eaf1ff;white-space:pre-wrap;word-break:break-word;background:#ffffff0f;border:1px solid #ffffff29;border-radius:12px;padding:16px;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:14px;line-height:1.6}.l-copy{color:#0f1f3d;cursor:pointer;background:#fff;border:0;border-radius:999px;align-items:center;gap:8px;margin-top:13px;padding:10px 18px;font-family:inherit;font-size:14px;font-weight:750;transition:background .15s;display:inline-flex}.l-copy:hover{background:#e9eefb}.l-copy.copied{color:#fff;background:#1f9d6b}.l-copy svg{fill:none;stroke:currentColor;stroke-width:2px;width:16px;height:16px}.l-rich p{color:var(--ink-soft);margin:0 0 10px;font-size:15.5px;line-height:1.62}.l-rich p:last-child{margin-bottom:0}.l-rich ul,.l-rich ol{margin:8px 0;padding-left:22px}.l-rich li{color:var(--ink-soft);margin:3px 0;font-size:15.5px;line-height:1.55}.l-rich strong{color:var(--ink)}.l-rich blockquote{background:var(--banner);border-left:4px solid var(--primary);color:#1a356a;border-radius:10px;margin:10px 0;padding:12px 16px;font-size:14.5px;line-height:1.55}.l-rich blockquote p{color:inherit;font-size:inherit}.l-check-item{cursor:pointer;align-items:flex-start;gap:12px;padding:9px 0;display:flex}.l-check-item .box{background:#fff;border:2px solid #c6d2e3;border-radius:7px;flex:none;place-items:center;width:22px;height:22px;margin-top:1px;transition:all .15s;display:grid}.l-check-item .box svg{fill:#fff;opacity:0;width:13px;height:13px}.l-check-item.on .box{background:#1f9d6b;border-color:#1f9d6b}.l-check-item.on .box svg{opacity:1}.l-check-item .ct{color:var(--ink-soft);font-size:15px;line-height:1.5}.l-check-item.on .ct{color:var(--muted-light);text-decoration:line-through}.l-hint{background:#fff8e8;border:1px solid #f3e3b5;border-radius:12px;margin-top:14px;padding:13px 15px}.l-hint .hint-h{color:#8a6d12;text-transform:uppercase;letter-spacing:.04em;align-items:center;gap:7px;margin-bottom:5px;font-size:13px;font-weight:800;display:flex}.l-hint .l-rich p{color:#7a6418;font-size:14.5px}.l-stop{color:#176c3b;background:#e9f8ee;border:1px solid #c8ecd5;border-radius:12px;align-items:center;gap:9px;margin-top:4px;margin-bottom:14px;padding:12px 16px;font-size:14.5px;font-weight:600;display:flex}.l-stop svg{fill:#1f9d6b;flex:none;width:18px;height:18px}.lesson-foot{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:6px;display:flex}.lnav-btn{cursor:pointer;border:1px solid var(--card-line);color:var(--ink);background:#fff;border-radius:999px;align-items:center;gap:9px;padding:11px 20px;font-family:inherit;font-size:15px;font-weight:700;text-decoration:none;transition:all .15s;display:inline-flex}.lnav-btn:hover{border-color:var(--primary);color:var(--primary)}.lnav-btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.lnav-btn.primary:hover{background:var(--primary-dark);color:#fff}.lnav-btn.ghost{color:var(--muted);background:0 0;border-color:#0000}.lnav-btn.ghost:hover{color:var(--ink);background:#f3f6fb}.lnav-btn svg{fill:none;stroke:currentColor;stroke-width:2.2px;width:16px;height:16px}.lesson-finish{margin-top:16px}.rail-card{background:var(--card);border:1px solid var(--card-line);box-shadow:var(--card-shadow);border-radius:16px;padding:16px 17px}.rail-card h3{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:12px;font-size:12px;font-weight:800}.rail-progress .rp-ring-wrap{align-items:center;gap:14px;display:flex}.rail-progress .rp-ring{border-radius:999px;flex:none;place-items:center;width:62px;height:62px;display:grid}.rail-progress .rp-ring>div{width:46px;height:46px;color:var(--primary);background:#fff;border-radius:999px;place-items:center;font-size:15px;font-weight:850;display:grid}.rail-progress .rp-meta b{color:var(--ink);font-size:15px;display:block}.rail-progress .rp-meta span{color:var(--muted);font-size:13px}.rail-buddy{background:linear-gradient(160deg,#f4f8ff,#eaf1fe);border-color:#dbe6fb}.rail-buddy .rb-top{align-items:center;gap:10px;margin-bottom:9px;display:flex}.rail-buddy .rb-top img{width:40px;height:auto}.rail-buddy .rb-top b{color:var(--ink);font-size:14.5px}.rail-buddy .l-rich p{color:var(--ink-soft);font-size:14px;line-height:1.55}.rail-next a{text-decoration:none;display:block}.rail-next .rn-label{color:var(--muted);font-size:12px;font-weight:650}.rail-next .rn-title{color:var(--ink);margin-top:3px;font-size:15px;font-weight:750;line-height:1.3}.rail-next a:hover .rn-title{color:var(--primary)}.rail-next .rn-arrow{color:var(--primary);font-weight:800}.rail-use h3{margin-bottom:9px}.rail-use .ru-row{color:var(--ink-soft);align-items:flex-start;gap:9px;margin:6px 0;font-size:13.5px;line-height:1.45;display:flex}.rail-use .ru-row .dot{border-radius:999px;flex:none;place-items:center;width:16px;height:16px;margin-top:2px;display:grid}.rail-use .ru-row.good .dot{background:#e4f6ec}.rail-use .ru-row.good .dot:after{content:"✓";color:#1f9d6b;font-size:10px;font-weight:900}.rail-use .ru-row.bad .dot{background:#fdecec}.rail-use .ru-row.bad .dot:after{content:"✕";color:#d14343;font-size:9px;font-weight:900}.lesson-footer{border-top:1px solid var(--card-line);color:var(--muted);padding:22px 30px;font-size:13px}.lesson-footer a{color:var(--muted);text-decoration:none}.lesson-footer a:hover{color:var(--primary)}@media (max-width:1040px){.lesson-grid{grid-template-columns:1fr}.lesson-rail{flex-flow:wrap;position:static}.lesson-rail .rail-card{flex:240px}}@media (max-width:640px){.lesson-wrap{padding:18px 16px 70px}.lcard{padding:16px}.lesson-rail{flex-direction:column}}
.mfx{--accent:#2c6ecb;--accent-deep:#1f5099;--accent-soft:#e9f1fc;--ink:#14243f;--ink-soft:#5e6b80;--ink-faint:#94a0b3;--card:#fff;--card-2:#fbf7ee;--card-line:#50462d1c;--cream:#f3e8d6;--green:#6f9e4e;--teal:#2f9e93;--gold:#eab12f;--gold-bright:#f5c84c;--shadow-card:0 14px 34px -12px #2622344d, 0 2px 6px -2px #2622341f;--shadow-pop:0 22px 60px -18px #1c285073, 0 4px 10px -3px #1c28502e;--font-display:"Baloo 2", system-ui, sans-serif;--font-body:"Nunito", system-ui, sans-serif;font-family:var(--font-body);color:var(--ink)}.mfx button{cursor:pointer;background:0 0;border:none;font-family:inherit}.mfx .mfx-btn-soft,.mfx .mfx-btn-primary{background:var(--accent)}.mfx .mfx-btn-ghost{background:#fff}.mfx .mfx-btn-primary:hover,.mfx .mfx-btn-soft:hover:not(:disabled){background:var(--accent-deep)}@keyframes mfxFadeUp{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}@keyframes mfxFadeIn{0%{opacity:0}to{opacity:1}}@keyframes mfxPopIn{0%{opacity:0;transform:translateY(8px)scale(.96)}to{opacity:1;transform:none}}@keyframes mfxBob{0%,to{transform:translateY(0)rotate(-1deg)}50%{transform:translateY(-9px)rotate(1deg)}}@keyframes mfxConfFall{0%{opacity:1;transform:translateY(-20px)rotate(0)}to{opacity:.9;transform:translateY(105vh)rotate(540deg)}}.mfx-buddy{-webkit-user-select:none;user-select:none;display:inline-block;position:relative}.mfx-buddy-bob{animation:3.4s ease-in-out infinite mfxBob}.mfx-lesson{z-index:50;background-color:#f3e8d6;background-image:radial-gradient(120% 80% at 80% -10%,#eaf2fc 0%,#eaf2fc00 55%),linear-gradient(#fbf7ef 0%,#f3e8d6 100%);flex-direction:column;animation:.3s both mfxFadeIn;display:flex;position:fixed;inset:0}.mfx-progress{background:#2c6ecb24;flex:none;height:6px}.mfx-progress>span{background:var(--accent);border-radius:0 99px 99px 0;height:100%;transition:width .45s cubic-bezier(.3,.8,.3,1);display:block}.mfx-top{border-bottom:1px solid var(--card-line);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#ffffffb3;flex:none;align-items:center;gap:18px;padding:14px 26px;display:flex}.mfx-top-left{flex:none;align-items:center;gap:12px;display:flex}.mfx-logo-link{flex:none;align-items:center;display:inline-flex}.mfx-logo-link img{width:auto;height:40px;display:block}.mfx-back{font-family:var(--font-display);color:var(--ink-soft);border:1px solid var(--card-line);background:#fff;border-radius:12px;flex:none;align-items:center;gap:6px;padding:9px 15px 9px 11px;font-size:16px;font-weight:700;text-decoration:none;display:inline-flex}.mfx-back:hover{color:var(--accent-deep);border-color:var(--accent)}.mfx-top-mid{text-align:center;flex:1;min-width:0}.mfx-top-eyebrow{letter-spacing:.04em;text-transform:uppercase;color:var(--accent);font-size:13.5px;font-weight:800}.mfx-top-title{font-family:var(--font-display);color:var(--ink);font-size:21px;font-weight:700;line-height:1.1}.mfx-dots{flex:none;gap:7px;display:flex}.mfx-dot{background:#2c6ecb33;border-radius:50%;width:11px;height:11px;transition:all .3s}.mfx-dot.on{background:var(--accent);transform:scale(1.25)}.mfx-dot.done{background:var(--green)}.mfx-chips{flex-wrap:wrap;flex:none;justify-content:flex-end;align-items:center;gap:8px;max-width:320px;display:flex}.mfx-chip{background:var(--accent-soft);color:var(--accent-deep);white-space:nowrap;border-radius:999px;align-items:center;gap:6px;padding:6px 12px;font-size:13px;font-weight:750;display:inline-flex}.mfx-chip svg{fill:none;stroke:currentColor;stroke-width:2px}.mfx-chip.gold{color:#8a6d12;background:#fdf3d6}.mfx-stepper{border-bottom:1px solid var(--card-line);background:#ffffff80;flex:none;gap:8px;padding:12px 26px;display:flex;overflow-x:auto}.mfx-stp{border:1px solid var(--card-line);font-family:var(--font-display);color:var(--ink-soft);cursor:pointer;background:#fff;border-radius:999px;flex:none;align-items:center;gap:8px;padding:7px 14px 7px 8px;font-size:13.5px;font-weight:700;transition:all .15s;display:inline-flex}.mfx-stp:hover{color:var(--ink);border-color:#b9cdf3}.mfx-stp-ico{width:24px;height:24px;color:var(--ink-faint);background:#eef2f7;border-radius:999px;flex:none;place-items:center;display:grid}.mfx-stp-ico svg{fill:none;stroke:currentColor;stroke-width:2px}.mfx-stp.on{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 6px 16px #1252d142}.mfx-stp.on .mfx-stp-ico{color:#fff;background:#ffffff40}.mfx-stp.done .mfx-stp-ico{color:var(--green);background:#e4f6ec}.mfx-stp.done.on .mfx-stp-ico{color:#fff;background:#ffffff40}.mfx-qc-instr{color:var(--ink-soft);margin:0 0 18px;font-size:17px;font-weight:600}.mfx-qc-options{grid-template-columns:1fr 1fr;gap:16px;margin:6px 0 4px;display:grid}.mfx-qc-opt{text-align:left;cursor:pointer;min-height:128px;font-family:var(--font-body);background:#fff;border:2px solid #e3e9f2;border-radius:18px;flex-direction:column;align-items:flex-start;gap:14px;padding:22px 22px 24px;transition:border-color .15s,transform .12s,box-shadow .15s;display:flex;position:relative;box-shadow:0 8px 20px -14px #1f50994d}.mfx-qc-opt:hover:not(:disabled){border-color:var(--accent);transform:translateY(-2px);box-shadow:0 16px 30px -18px #1f509980}.mfx-qc-opt:disabled{cursor:default}.mfx-qc-letter{background:var(--accent-soft);width:38px;height:38px;color:var(--accent-deep);font-family:var(--font-display);border-radius:999px;flex:none;place-items:center;font-size:18px;font-weight:800;display:grid}.mfx-qc-text{color:var(--ink);font-size:18px;font-weight:600;line-height:1.45}.mfx-qc-opt.correct{border-color:var(--green);background:#f1faf1}.mfx-qc-opt.correct .mfx-qc-letter{background:var(--green);color:#fff}.mfx-qc-opt.wrong{opacity:.9;background:#fdf4f4;border-color:#e6b8b8}.mfx-qc-opt.dim{opacity:.62;box-shadow:none}.mfx-qc-mark{background:var(--green);color:#fff;border-radius:999px;place-items:center;width:26px;height:26px;display:grid;position:absolute;top:12px;right:12px}.mfx-qc-mark svg{fill:none;stroke:currentColor;stroke-width:3px}.mfx-qc-feedback{border-radius:18px;align-items:center;gap:8px;margin-top:18px;padding:14px 18px 14px 10px;animation:.35s both mfxPopIn;display:flex}.mfx-qc-feedback.ok{background:#eef7ee;border:1px solid #cfe6cf}.mfx-qc-feedback.soft{background:#fff8e8;border:1px solid #f3e3b5}.mfx-qc-fb-buddy{flex:none;margin:-10px -2px -16px -8px}.mfx-qc-fb-head{font-family:var(--font-display);color:var(--ink);align-items:center;gap:7px;margin-bottom:3px;font-size:16.5px;font-weight:800;display:inline-flex}.mfx-qc-feedback.ok .mfx-qc-fb-head{color:var(--green)}.mfx-qc-fb-head svg{color:var(--gold)}.mfx-qc-fb-body p{color:var(--ink-soft);margin:0;font-size:15.5px;font-weight:600;line-height:1.5}.mfx-qc-key{color:#7a6322;background:#fdf6e6;border:1px solid #f1e2bd;border-radius:14px;align-items:flex-start;gap:8px;margin-top:14px;padding:12px 16px;font-size:15px;font-weight:600;line-height:1.45;display:flex}.mfx-qc-key b{color:#6a5512;font-weight:800}.mfx-qc-key svg{color:var(--gold);fill:none;stroke:currentColor;flex:none;margin-top:2px}@media (max-width:640px){.mfx-qc-options{grid-template-columns:1fr}.mfx-chips{display:none}}.mfx-body{flex:1;justify-content:center;padding:34px 26px 40px;display:flex;overflow-y:auto}.mfx-card{width:100%;max-width:760px}.mfx-panel{display:none}.mfx-panel.is-active{display:block}.mfx-step{border:1px solid var(--card-line);box-shadow:var(--shadow-card);background:#fff;border-radius:24px;padding:40px 46px 44px;animation:.4s both mfxFadeUp}.mfx-eyebrow{letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin-bottom:12px;font-size:14px;font-weight:800}.mfx-eyebrow.center{text-align:center}.mfx-h{font-family:var(--font-display);color:var(--ink);text-wrap:balance;margin:0 0 18px;font-size:34px;font-weight:700;line-height:1.12}.mfx-h.center{text-align:center}.mfx-p{color:#38414f;max-width:62ch;margin:0 0 16px;font-size:20px;font-weight:500;line-height:1.65}.mfx-points{flex-direction:column;gap:9px;margin:8px 0 4px;padding-left:4px;list-style:none;display:flex}.mfx-points li{color:var(--ink-soft);padding-left:24px;font-size:16.5px;line-height:1.5;position:relative}.mfx-points li:before{content:"";background:var(--accent);border-radius:50%;width:8px;height:8px;position:absolute;top:9px;left:4px}.mfx-recipe{flex-direction:column;gap:11px;margin:22px 0;display:flex}.mfx-recipe-row{background:var(--accent-soft);border-radius:14px;align-items:center;gap:16px;padding:15px 20px;display:flex}.mfx-recipe-tag{font-family:var(--font-display);color:var(--accent-deep);flex:none;width:152px;font-size:16px;font-weight:700}.mfx-recipe-ex{color:var(--ink);font-size:18px;font-style:italic;font-weight:600}.mfx-ex-label{color:var(--ink-soft);text-transform:uppercase;letter-spacing:.03em;align-items:center;gap:8px;margin:24px 0 9px;font-size:15px;font-weight:800;display:flex}.mfx-ex-dim{color:var(--ink-faint)}.mfx-ex-ai{color:var(--accent-deep)}.mfx-ai-dot{background:var(--accent);color:#fff;border-radius:50%;place-items:center;width:24px;height:24px;display:grid}.mfx-chat{border-radius:16px;max-width:92%;padding:16px 20px}.mfx-chat p{margin:0;font-size:18.5px;font-weight:500;line-height:1.55}.mfx-chat-you{color:#3a4350;background:#eef1f5;border-bottom-left-radius:5px}.mfx-chat-you.mfx-dim{color:var(--ink-faint);background:#f3f1ec}.mfx-chat-ai{background:linear-gradient(160deg, var(--accent) 0%, var(--accent-deep) 100%);color:#fff;border-bottom-right-radius:5px;margin-left:auto;box-shadow:0 12px 26px -12px #1f509999}.mfx-ex-arrow{font-family:var(--font-display);color:var(--accent);align-items:center;gap:8px;margin:16px 0 4px;padding-left:4px;font-size:15px;font-weight:700;display:flex}.mfx-ex-note{color:#7a6322;background:#fdf6e6;border:1px solid #f1e2bd;border-radius:14px;align-items:flex-start;gap:10px;margin-top:26px;padding:16px 18px;font-size:16.5px;font-weight:600;line-height:1.5;display:flex}.mfx-ex-note svg{color:var(--gold);flex:none;margin-top:2px}.mfx-try{border:2px solid var(--accent-soft);background:#fff;border-radius:18px;margin-top:6px;padding:6px;transition:border-color .2s}.mfx-try:focus-within{border-color:var(--accent)}.mfx-try.is-done{border-color:var(--green)}.mfx-try-input{resize:none;width:100%;font-family:var(--font-body);color:var(--ink);background:0 0;border:none;outline:none;padding:16px 18px 8px;font-size:19px;font-weight:500;line-height:1.55}.mfx-try-input::placeholder{color:var(--ink-faint)}.mfx-try-foot{justify-content:space-between;align-items:center;gap:14px;padding:6px 10px 8px 16px;display:flex}.mfx-try-hint{color:var(--ink-faint);align-items:center;gap:7px;min-width:0;font-size:14.5px;font-weight:600;display:flex}@media (max-width:600px){.mfx-try-foot{flex-wrap:wrap}.mfx-btn-soft{margin-left:auto}}.mfx-btn-soft{background:var(--accent);color:#fff;font-family:var(--font-display);border-radius:12px;flex:none;align-items:center;gap:8px;padding:11px 18px;font-size:16px;font-weight:700;transition:transform .14s,opacity .2s;display:flex}.mfx-btn-soft:hover:not(:disabled){transform:translateY(-2px)}.mfx-btn-soft:disabled{opacity:.4;cursor:default}.mfx-aside,.mfx-praise{align-items:center;gap:6px;margin-top:28px;display:flex}.mfx-praise{align-items:flex-start;margin-top:22px;animation:.4s both mfxPopIn}.mfx-aside-buddy,.mfx-praise-buddy{flex:none;margin:-8px -4px -16px -8px}.mfx-aside-bubble,.mfx-praise-bubble{background:var(--card-2);border:1px solid var(--card-line);border-radius:18px;padding:16px 20px;position:relative}.mfx-praise-bubble{background:#eef7ee;border-color:#cfe6cf}.mfx-aside-who{font-family:var(--font-display);color:var(--accent-deep);margin-bottom:4px;font-size:14px;font-weight:700;display:block}.mfx-aside-bubble p,.mfx-praise-bubble p{color:var(--ink);margin:0;font-size:17px;font-weight:600;line-height:1.5}.mfx-model{color:var(--ink-soft);margin-top:10px;font-size:16px;font-style:italic;line-height:1.5}.mfx-model span{color:var(--accent-deep);font-style:normal;font-weight:800}.mfx-step-recap{text-align:center}.mfx-recap-list{text-align:left;flex-direction:column;gap:13px;max-width:540px;margin:26px auto 0;padding:0;list-style:none;display:flex}.mfx-recap-list li{color:var(--ink);background:var(--card-2);border-radius:14px;align-items:flex-start;gap:14px;padding:16px 20px;font-size:19px;font-weight:600;line-height:1.5;display:flex}.mfx-recap-check{background:var(--green);color:#fff;border-radius:50%;flex:none;place-items:center;width:30px;height:30px;display:grid}.mfx-step-recap .mfx-aside{justify-content:center}.mfx-foot{border-top:1px solid var(--card-line);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#ffffffc7;flex:none;justify-content:space-between;align-items:center;gap:20px;padding:16px 30px;display:flex}.mfx-btn-primary{background:var(--accent);color:#fff;font-family:var(--font-display);border-radius:13px;align-items:center;gap:9px;padding:14px 30px;font-size:17px;font-weight:700;text-decoration:none;transition:transform .14s,background .2s;display:inline-flex}.mfx-btn-primary:hover{background:var(--accent-deep);transform:translateY(-2px)}.mfx-btn-primary.big{padding:15px 32px;font-size:19px}.mfx-btn-ghost{font-family:var(--font-display);color:var(--ink-soft);border:1px solid var(--card-line);background:#fff;border-radius:13px;align-items:center;gap:8px;padding:13px 22px;font-size:17px;font-weight:700;text-decoration:none;display:inline-flex}.mfx-btn-ghost:hover{color:var(--accent-deep);border-color:var(--accent)}.mfx-foot-count{color:var(--ink-faint);font-size:15px;font-weight:700}.mfx-celebrate{z-index:80;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#141e376b;place-items:center;animation:.3s both mfxFadeIn;display:grid;position:fixed;inset:0}.mfx-confetti{pointer-events:none;position:absolute;inset:0;overflow:hidden}.mfx-confetti>span{width:12px;height:12px;animation-name:mfxConfFall;animation-timing-function:linear;animation-iteration-count:1;position:absolute;top:-16px}.mfx-celebrate-card{text-align:center;max-width:470px;box-shadow:var(--shadow-pop);background:#fff;border-radius:28px;padding:12px 48px 40px;animation:.5s both mfxPopIn}.mfx-celebrate-buddy{margin-top:-70px}.mfx-celebrate-h{font-family:var(--font-display);color:var(--ink);margin:6px 0;font-size:32px;font-weight:800}.mfx-celebrate-p{color:var(--ink-soft);margin:0 0 14px;font-size:18px;font-weight:600;line-height:1.5}.mfx-celebrate-leaf{color:var(--green);font-size:15px;font-weight:800;font-family:var(--font-display);background:#eef7ee;border-radius:99px;align-items:center;gap:8px;margin-bottom:20px;padding:9px 18px;text-decoration:none;display:inline-flex}.mfx-celebrate-link:hover{background:#e3f1e3}.mfx-celebrate-actions{flex-direction:column;align-items:stretch;gap:10px;display:flex}.mfx-celebrate-actions .mfx-btn-primary{justify-content:center;width:100%}.mfx-celebrate-actions .mfx-btn-ghost{justify-content:center}@media (max-width:700px){.mfx-step{padding:26px 22px 30px}.mfx-h{font-size:27px}.mfx-p{font-size:18px}.mfx-top-title{font-size:17px}}.mfx-lx-hero{flex:none;height:214px;position:relative;overflow:hidden}.mfx-lx-hero-img{background:url(/mfx/lessonbg.jpg) 50% 36%/cover no-repeat;position:absolute;inset:0;transform:scale(1.02)}.mfx-lx-hero-scrim{background:linear-gradient(90deg,#14243fd1 0%,#14243f99 38%,#14243f1f 66%,#14243f00 100%),linear-gradient(#14243f00 60%,#14243f4d 100%);position:absolute;inset:0}.mfx-lx-back{z-index:4;font-family:var(--font-display);color:var(--ink-soft);background:#ffffffeb;border-radius:11px;align-items:center;gap:6px;padding:8px 14px 8px 10px;font-size:14.5px;font-weight:700;text-decoration:none;display:inline-flex;position:absolute;top:14px;left:24px;box-shadow:0 6px 16px -8px #00000073}.mfx-lx-back:hover{color:var(--accent-deep)}.mfx-lx-hero-in{z-index:3;justify-content:space-between;align-items:flex-end;gap:24px;max-width:1240px;height:100%;padding:0 36px 18px 40px;display:flex;position:relative}.mfx-lx-hero-text{color:#fff;max-width:640px}.mfx-lx-eyebrow{font-family:var(--font-display);letter-spacing:.08em;text-transform:uppercase;color:var(--gold-bright);align-items:center;gap:7px;margin-bottom:8px;font-size:13px;font-weight:800;display:inline-flex}.mfx-lx-title{font-family:var(--font-display);color:#fff;text-shadow:0 2px 14px #0a142880;text-wrap:balance;margin:0;font-size:38px;font-weight:800;line-height:1.05}.mfx-lx-blurb{color:#ffffffeb;text-shadow:0 1px 8px #0a142873;max-width:52ch;margin:9px 0 0;font-size:17px;font-weight:600;line-height:1.4}.mfx-lx-chips{flex-wrap:wrap;gap:10px;margin-top:15px;display:flex}.mfx-lx-chip{font-family:var(--font-display);color:var(--ink);background:#ffffffeb;border-radius:99px;align-items:center;gap:7px;padding:7px 13px;font-size:13.5px;font-weight:700;display:inline-flex;box-shadow:0 6px 16px -10px #00000080}.mfx-lx-chip svg{color:var(--accent)}.mfx-lx-hero-buddy{flex:none;align-self:flex-end;margin-bottom:-6px;position:relative}.mfx-lx-bubble{width:max-content;max-width:178px;color:var(--ink);font-family:var(--font-display);box-shadow:var(--shadow-card);background:#fff;border-radius:15px;padding:11px 14px;font-size:14.5px;font-weight:700;line-height:1.32;animation:.4s .2s both mfxPopIn;position:absolute;bottom:54px;right:92%}.mfx-lx-bubble:after{content:"";background:#fff;border-radius:2px;width:14px;height:14px;position:absolute;bottom:16px;right:-7px;transform:rotate(45deg)}.mfx-lx-main{flex:1;min-height:0;display:flex}.mfx-lx-rail{border-right:1px solid var(--card-line);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#ffffff9e;flex-direction:column;flex:none;width:290px;padding:22px 16px 18px;display:flex;overflow-y:auto}.mfx-lxr-head{font-family:var(--font-display);letter-spacing:.07em;text-transform:uppercase;color:var(--ink-faint);padding:0 8px 12px;font-size:13px;font-weight:800}.mfx-lxr-list{flex-direction:column;flex:1;gap:4px;margin:0;padding:0;list-style:none;display:flex}.mfx-lxr-item{text-align:left;cursor:pointer;background:0 0;border:none;border-radius:14px;align-items:center;gap:12px;width:100%;padding:11px 12px;transition:background .15s;display:flex}.mfx-lxr-item:not(:disabled):hover{background:#2c6ecb12}.mfx-lxr-item:disabled{cursor:default}.mfx-lxr-num{width:30px;height:30px;font-family:var(--font-display);border:2px solid var(--card-line);color:var(--ink-faint);background:#fff;border-radius:50%;flex:none;place-items:center;font-size:15px;font-weight:800;display:grid}.mfx-lxr-body{flex-direction:column;flex:1;min-width:0;display:flex}.mfx-lxr-label{font-family:var(--font-display);color:var(--ink-soft);font-size:15.5px;font-weight:700;line-height:1.15}.mfx-lxr-sub{color:var(--ink-faint);text-overflow:ellipsis;white-space:nowrap;margin-top:1px;font-size:12.5px;font-weight:600;line-height:1.25;overflow:hidden}.mfx-lxr-go{color:var(--accent);flex:none}.mfx-lxr-item.done .mfx-lxr-num{background:var(--green);border-color:var(--green);color:#fff}.mfx-lxr-item.done .mfx-lxr-label{color:var(--ink)}.mfx-lxr-item.current{background:#fff;box-shadow:0 8px 20px -12px #1f509966}.mfx-lxr-item.current .mfx-lxr-num{background:var(--accent);border-color:var(--accent);color:#fff;transform:scale(1.05)}.mfx-lxr-item.current .mfx-lxr-label{color:var(--accent-deep);font-weight:800}.mfx-lxr-item.current .mfx-lxr-sub{color:var(--ink-soft)}.mfx-lxr-item.todo .mfx-lxr-label{color:var(--ink-faint)}.mfx-lxr-foot{border-top:1px solid var(--card-line);margin-top:16px;padding:14px 12px 6px}.mfx-lxr-foot-row{font-family:var(--font-display);color:var(--ink-soft);justify-content:space-between;font-size:13.5px;font-weight:700;display:flex}.mfx-lxr-bar{background:#2c6ecb29;border-radius:99px;height:8px;margin:9px 0 11px;overflow:hidden}.mfx-lxr-bar>span{background:var(--accent);border-radius:99px;height:100%;transition:width .45s cubic-bezier(.3,.8,.3,1);display:block}.mfx-lxr-cheer{color:var(--green);align-items:center;gap:7px;font-size:13.5px;font-weight:700;display:flex}.mfx-lxr-cheer svg{color:var(--gold)}.mfx-lx-stage{flex:1;justify-content:center;padding:32px 30px 40px;display:flex;overflow-y:auto}.mfx-lx-card{border:1px solid var(--card-line);width:100%;max-width:740px;box-shadow:var(--shadow-card);background:#fff;border-radius:24px;align-self:flex-start;padding:30px 40px 40px;animation:.4s both mfxFadeUp}.mfx-lx-steptag{font-family:var(--font-display);letter-spacing:.07em;text-transform:uppercase;color:var(--accent);margin-bottom:14px;font-size:13px;font-weight:800}@media (max-width:980px){.mfx-lx-main{flex-direction:column}.mfx-lx-rail{border-right:none;border-bottom:1px solid var(--card-line);flex-direction:row;align-items:stretch;gap:10px;width:100%;padding:12px 16px;overflow:auto hidden}.mfx-lxr-head{display:none}.mfx-lxr-list{flex-direction:row;flex:none;gap:8px}.mfx-lxr-item{flex-direction:column;gap:6px;min-width:112px;padding:10px 12px}.mfx-lxr-num{width:26px;height:26px;font-size:13px}.mfx-lxr-sub,.mfx-lxr-go,.mfx-lxr-foot{display:none}}@media (max-width:720px){.mfx-lx-hero{height:auto;min-height:168px}.mfx-lx-hero-buddy{display:none}.mfx-lx-hero-in{padding:18px}.mfx-lx-title{font-size:28px}.mfx-lx-blurb{font-size:15.5px}.mfx-lx-stage{padding:22px 14px 30px}.mfx-lx-card{border-radius:18px;padding:24px 22px 28px}}