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img{object-fit:cover;height:100%;width:100%;position:absolute;top:0;bottom:0;left:0;right:0}.mk-tint-0{background:var(--tint-blue)}.mk-tint-1{background:var(--tint-amber)}.mk-tint-2{background:var(--tint-green)}.mk-tint-3{background:var(--tint-purple)}.mk-badge{background:var(--ok);color:var(--on-ok);border-radius:999px;padding:4px 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16px 16px;display:-ms-flexbox;display:flex}.mk-card-title{font-size:16px;line-height:1.35}.mk-muted{color:var(--muted);font-size:13px}.mk-muted strong{color:var(--fg)}.mk-star{color:var(--ink-amber)}.mk-price{color:var(--fg);-ms-flex-wrap:wrap;flex-wrap:wrap;align-items:baseline;gap:4px 8px;margin-top:auto;padding-top:4px;display:-ms-flexbox;display:flex}.mk-price strong{font-size:17px}.mk-price--box strong{font-family:var(--display);font-size:28px}.mk-price--bar strong{font-size:20px}.mk-price s{color:var(--muted);font-size:13px}.mk-price .mk-off{color:var(--danger);direction:ltr;unicode-bidi:isolate;font-size:12px;font-weight:600}.mk-price .mk-free{color:var(--ok)}.mk-stars{color:var(--line-2);gap:2px;display:-ms-inline-flexbox;display:inline-flex}.mk-stars svg{height:16px;width:16px}.mk-stars .on{color:var(--ink-amber);fill:currentColor}@media (prefers-reduced-motion:reduce){.mk-card{transition:none}.mk-card:hover{transform:none}}.mk-section{background:var(--core);box-shadow:inset 0 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strong{font-family:var(--display);font-size:48px;line-height:1}.mk-rv-bars{-ms-flex-direction:column;flex-direction:column;-ms-flex:260px;flex:260px;gap:2px;min-width:0;display:-ms-flexbox;display:flex}.mk-rv-bar{min-height:32px;color:var(--muted);border-radius:10px;-ms-flex-align:center;align-items:center;gap:10px;padding-left:6px;padding-right:6px;font-size:13px;text-decoration:none;display:-ms-flexbox;display:flex}.mk-rv-bar:hover,.mk-rv-bar[aria-current]{background:var(--tray);color:var(--fg)}.mk-rv-bar[aria-current]{box-shadow:inset 0 0 0 1px var(--line-2);font-weight:600}.mk-rv-bar-n{-ms-flex-align:center;align-items:center;gap:3px;width:30px;display:-ms-inline-flexbox;display:inline-flex}.mk-rv-bar-n svg{height:12px;width:12px;color:var(--ink-amber);fill:currentColor}.mk-rv-track{background:var(--bg-2);border-radius:999px;-ms-flex:1;flex:1;height:8px;overflow:hidden}.mk-rv-track span{border-radius:inherit;background:var(--accent-fill);height:100%;display:block}.mk-rv-bar-c{font-variant-numeric:tabular-nums;width:36px}.mk-rv-bar-c:not(:-webkit-any(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi))){text-align:right}.mk-rv-bar-c:not(:is(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi))){text-align:right}.mk-rv-bar-c:-webkit-any(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi)){text-align:left}.mk-rv-bar-c:is(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi)){text-align:left}.mk-rv-all{min-height:44px;color:var(--accent-text);border-radius:999px;-ms-flex-item-align:end;align-self:flex-end;-ms-flex-align:center;align-items:center;justify-items:center;padding-left:16px;padding-right:16px;font-size:13px;font-weight:600;text-decoration:none;display:inline-grid}.mk-rv-all[aria-current]{background:var(--tray);box-shadow:inset 0 0 0 1px var(--line-2);color:var(--fg)}.mk-rv-bar:focus-visible{outline:2px solid var(--accent-text);outline-offset:2px}.mk-rv-all:focus-visible{outline:2px solid var(--accent-text);outline-offset:2px}.mk-rv-name:focus-visible{outline:2px solid var(--accent-text);outline-offset:2px}.mk-rv-panel{background:var(--core-2);box-shadow:inset 0 0 0 1px var(--line);border-radius:14px;-ms-flex-direction:column;flex-direction:column;gap:10px;padding:16px;display:-ms-flexbox;display:flex}.mk-rv-panel>strong{font-size:15px}.mk-rv-mine-stars .mk-stars svg{height:22px;width:22px}.mk-rv-text{white-space:pre-line;overflow-wrap:anywhere;margin:0;font-size:15px;line-height:1.6}.mk-rv-actions{-ms-flex-wrap:wrap;flex-wrap:wrap;-ms-flex-align:center;align-items:center;gap:8px 12px;display:-ms-flexbox;display:flex}.mk-rv-actions .ds-btn{min-height:44px;padding-left:18px;padding-right:18px}.mk-rv-delete.ds-btn{color:var(--danger)}.mk-rv-danger.ds-btn{background:var(--danger);color:var(--on-accent);box-shadow:none}.mk-rv-dialog-body{color:var(--muted);margin:0 0 16px}.mk-rv-rate{border:0;-ms-flex-wrap:wrap;flex-wrap:wrap;-ms-flex-align:center;align-items:center;gap:0;min-width:0;margin:0;padding:0;display:-ms-flexbox;display:flex}.mk-rv-rate legend{float:inline-start;width:100%;margin-bottom:2px;padding:0}.mk-rv-star{cursor:pointer;height:44px;width:44px;color:var(--muted);border-radius:12px;-ms-flex-align:center;align-items:center;justify-items:center;display:grid;position:relative}.mk-rv-star input{opacity:0;cursor:pointer;margin:0;position:absolute;top:0;bottom:0;left:0;right:0}.mk-rv-star svg{height:28px;width:28px;transition:transform .2s var(--ease)}.mk-rv-star svg.on{color:var(--ink-amber);fill:currentColor}.mk-rv-star:hover svg{transform:scale(1.12)}.mk-rv-star:has(input:focus-visible){outline:2px solid 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svg{height:14px;width:14px}@media (prefers-reduced-motion:reduce){.mk-rv-star svg{transition:none}.mk-rv-star:hover svg{transform:none}}.mk-buy{color:var(--fg)}.mk-buy-body{-ms-flex-direction:column;flex-direction:column;gap:12px;min-width:0;display:-ms-flexbox;display:flex}.mk-buy-row{-ms-flex-direction:column;flex-direction:column;gap:12px;display:-ms-flexbox;display:flex}.mk-buy .mk-price{margin:0;padding:0}.mk-buy-btn.ds-btn{min-height:48px;font-family:var(--body);border-radius:14px;font-size:16px}.mk-buy-btn:focus-visible{outline:2px solid var(--accent-text);outline-offset:2px}.mk-buy-icon:focus-visible{outline:2px solid var(--accent-text);outline-offset:2px}.mk-buy-alert a:focus-visible{outline:2px solid var(--accent-text);outline-offset:2px}.mk-buy-progress{-ms-flex-align:center;align-items:center;gap:10px;display:-ms-flexbox;display:flex}.mk-buy-progress .mk-rv-track{-ms-flex:1;flex:1}.mk-buy--side{background:var(--core);box-shadow:inset 0 0 0 1px var(--line),var(--card-shadow);border-radius:24px;-ms-flex-direction:column;flex-direction:column;display:-ms-flexbox;display:flex;overflow:hidden}.mk-buy--side .mk-buy-body{padding:20px}.mk-buy--side .mk-price--box strong{font-size:32px}.mk-buy--inline .mk-buy-body,.mk-buy--inline .mk-buy-row{-ms-flex-flow:wrap;flex-flow:wrap;-ms-flex-align:center;align-items:center}.mk-buy--inline .mk-buy-body{margin-top:8px}.mk-buy--inline .mk-buy-btn.ds-btn{padding-left:22px;padding-right:22px}.mk-buy--bar{z-index:40;padding:12px 16px max(20px,env(safe-area-inset-bottom,0px));background:var(--core);box-shadow:inset 0 1px 0 var(--line),0 -12px 32px -24px var(--shade);position:fixed;bottom:0;left:0;right:0}.mk-buy--bar .mk-buy-body{-ms-flex-direction:row;flex-direction:row;-ms-flex-align:center;align-items:center}.mk-buy--bar .mk-buy-row{-ms-flex-direction:row;flex-direction:row;-ms-flex:1;flex:1;-ms-flex-pack:end;justify-content:flex-end;-ms-flex-align:center;align-items:center}.mk-buy--bar .mk-buy-row>a,.mk-buy--bar .mk-buy-row>.ds-btn-primary{-ms-flex:1;flex:1}.mk-buy--bar .mk-price{-ms-flex:none;flex:none;gap:0 6px;max-width:40%}.mk-buy--bar .mk-price strong{white-space:nowrap;-ms-flex-preferred-size:100%;flex-basis:100%}.mk-buy--bar .mk-price s{font-size:12px}@media (min-width:1024px){.mk-buy--bar{display:none}}.mk-buy-icon{background:var(--core);height:48px;width:48px;color:var(--fg);box-shadow:inset 0 0 0 1px var(--line-2);cursor:pointer;border:0;border-radius:14px;-ms-flex:none;flex:none;-ms-flex-align:center;align-items:center;justify-items:center;display:grid}.mk-buy-icon svg{height:20px;width:20px}.mk-buy-icon:disabled{opacity:.5;cursor:default}.mk-buy-item{-ms-flex-align:center;align-items:center;gap:12px;min-width:0;display:-ms-flexbox;display:flex}.mk-buy-thumb{aspect-ratio:16/9;border-radius:10px;-ms-flex:none;flex:none;width:96px;position:relative;overflow:hidden}.mk-buy-thumb--book{aspect-ratio:2/3;width:56px}.mk-buy-thumb img{object-fit:cover;height:100%;width:100%;position:absolute;top:0;bottom:0;left:0;right:0}.mk-buy-item-text{overflow-wrap:anywhere;-ms-flex-direction:column;flex-direction:column;gap:2px;min-width:0;display:-ms-flexbox;display:flex}.mk-buy-item-text strong{font-size:15px}.mk-buy-sum{background:var(--core-2);box-shadow:inset 0 0 0 1px var(--line);border-radius:14px;grid-template-columns:1fr auto;-ms-flex-align:center;align-items:center;gap:8px 16px;margin:0;padding:14px 16px;font-size:15px;display:grid}.mk-buy-sum dt{color:var(--muted)}.mk-buy-sum dd{font-variant-numeric:tabular-nums;margin:0}.mk-buy-sum dd:not(:-webkit-any(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi))){text-align:right}.mk-buy-sum dd:not(:is(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi))){text-align:right}.mk-buy-sum dd:-webkit-any(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi)){text-align:left}.mk-buy-sum dd:is(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi)){text-align:left}.mk-buy-alert{color:var(--danger);margin:0;font-size:14px}.mk-buy-alert a{color:var(--accent-text);font-weight:600}.mk-buy-actions{-ms-flex-wrap:wrap;flex-wrap:wrap;-ms-flex-pack:end;justify-content:flex-end;gap:12px;display:-ms-flexbox;display:flex}.mk-buy-actions .ds-btn{min-height:48px;font-family:var(--body);border-radius:14px}.mk-page{width:min(1180px,100% - 32px);color:var(--fg);-ms-flex-direction:column;flex-direction:column;gap:20px;margin:20px auto 48px;display:-ms-flexbox;display:flex}.mk-page a:focus-visible{outline:2px solid var(--accent-text);outline-offset:2px}.mk-page summary:focus-visible{outline:2px solid var(--accent-text);outline-offset:2px}.mk-page video:focus-visible{outline:2px solid var(--accent-text);outline-offset:2px}.mk-crumbs{color:var(--muted);-ms-flex-wrap:wrap;flex-wrap:wrap;-ms-flex-align:center;align-items:center;gap:4px 8px;font-size:14px;display:-ms-flexbox;display:flex}.mk-crumbs a{min-height:44px;color:var(--accent-text);-ms-flex-align:center;align-items:center;text-decoration:none;display:-ms-inline-flexbox;display:inline-flex}.mk-crumbs a:hover{text-decoration:underline}.mk-crumbs 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a:focus-visible{outline-color:var(--on-night)}.mk-section-head{-ms-flex-wrap:wrap;flex-wrap:wrap;-ms-flex-pack:justify;justify-content:space-between;align-items:baseline;gap:8px;display:-ms-flexbox;display:flex}.mk-learn{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 24px;margin:0;padding:0;font-size:15px;line-height:1.5;list-style:none;display:grid}.mk-learn li{overflow-wrap:anywhere;gap:8px;min-width:0;display:-ms-flexbox;display:flex}.mk-check{color:var(--ok);-ms-flex:none;flex:none;font-weight:700}.mk-chapter{box-shadow:inset 0 0 0 1px var(--line);border-radius:14px;overflow:hidden}.mk-chapter+.mk-chapter{margin-top:-4px}.mk-chapter summary{background:var(--core-2);cursor:pointer;-ms-flex-pack:justify;justify-content:space-between;-ms-flex-align:center;align-items:center;gap:12px;min-height:52px;padding:8px 16px;font-weight:600;list-style:none;display:-ms-flexbox;display:flex}.mk-chapter summary::-webkit-details-marker{display:none}.mk-chapter summary:after{content:"";border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);height:8px;width:8px;transition:transform .2s var(--ease);-ms-flex:none;flex:none;transform:rotate(45deg)}.mk-chapter[open] summary:after{transform:rotate(-135deg)}.mk-chapter summary .mk-muted{white-space:nowrap;font-weight:400}.mk-chapter summary .mk-muted:not(:-webkit-any(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi))){margin-left:auto}.mk-chapter summary .mk-muted:not(:is(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi))){margin-left:auto}.mk-chapter summary 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var(--line),var(--card-shadow);border-radius:18px;-ms-flex-wrap:wrap;flex-wrap:wrap;-ms-flex-align:center;align-items:center;gap:16px;padding:14px;display:-ms-flexbox;display:flex}.mk-lib-thumb{aspect-ratio:16/9;border-radius:12px;-ms-flex:none;flex:none;width:160px;position:relative;overflow:hidden}.mk-lib-thumb--book{aspect-ratio:2/3;border-radius:8px;width:80px}.mk-lib-thumb img{object-fit:cover;height:100%;width:100%;position:absolute;top:0;bottom:0;left:0;right:0}.mk-lib-body{overflow-wrap:anywhere;-ms-flex-direction:column;flex-direction:column;-ms-flex:260px;flex:260px;gap:8px;min-width:0;display:-ms-flexbox;display:flex}.mk-lib-title{color:var(--fg);font-size:16px;font-weight:600;line-height:1.35;text-decoration:none}.mk-lib-title:hover{text-decoration:underline}.mk-lib-bar{background:var(--bg-2);border-radius:999px;height:8px;display:block;overflow:hidden}.mk-lib-bar span{border-radius:inherit;background:var(--ok);height:100%;display:block}.mk-lib-go.ds-btn{min-height:44px;font-family:var(--body);border-radius:12px;padding-left:18px;padding-right:18px}@media (max-width:559.98px){.mk-lib{gap:16px;margin-top:12px}.mk-lib-row{border-radius:16px;gap:12px;padding:12px}.mk-lib-thumb{width:112px}.mk-lib-thumb--book{width:64px}.mk-lib-body{-ms-flex-preferred-size:0;flex-basis:0}.mk-lib-go.ds-btn{-ms-flex:100%;flex:100%}}