._mobile_rhlan_1{display:none}@media(max-width:1024px){._mobile_rhlan_1{display:flex;flex-direction:column;align-items:center;width:100%;padding:28px 0 32px;box-sizing:border-box;overflow-x:clip}._mobile_rhlan_1 ._tabs_rhlan_14{position:static;transform:none}}._mobileTitle_rhlan_20{margin:0;max-width:291px;font-family:var(--ff-base);font-weight:400;font-size:30px;line-height:30px;color:var(--c-black);text-align:center}._mobileTabsScroll_rhlan_31{width:100%;margin-top:20px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}._mobileTabsScroll_rhlan_31::-webkit-scrollbar{display:none}._mobileTabs_rhlan_31{width:max-content;min-width:100%;justify-content:center;padding:4px 20px;box-sizing:border-box}._mobileSlot_rhlan_50{display:flex;flex-direction:column;align-items:center;width:100%;margin-top:22px}._mobileGroupLabel_rhlan_58{margin:0 0 12px;display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:14px;background:var(--c-primary);color:var(--c-bg);font-family:var(--ff-base);font-weight:400;font-size:var(--fs-14);line-height:1;white-space:nowrap}._mobileCard_rhlan_74{position:relative;width:calc(100% - 40px);max-width:320px;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:var(--c-black);box-shadow:0 12px 28px #10264c1f}._mobileCard_rhlan_74 ._playIcon_rhlan_84{width:48px;height:48px}._dots_rhlan_89{display:flex;align-items:center;gap:12px;margin-top:18px}._dot_rhlan_89{width:8px;height:8px;padding:0;border:0;border-radius:50%;background:var(--c-line-cool);cursor:pointer;transition:background .18s ease,transform .18s ease}._dotActive_rhlan_107{background:var(--c-primary);transform:scale(1.15)}._mobile_rhlan_1 ._metaRow_rhlan_112{width:calc(100% - 40px);max-width:320px;margin-top:16px}._mobile_rhlan_1 ._meta_rhlan_112{font-size:var(--fs-14, 14px);line-height:20px;text-align:center;gap:6px}._mobile_rhlan_1 ._metaCounter_rhlan_125{margin-left:0;padding-left:0;border-left:0;width:100%;text-align:center}@media(prefers-reduced-motion:reduce){._posterImg_rhlan_134,._playIcon_rhlan_84,._arrow_rhlan_136,._tab_rhlan_14,._dot_rhlan_89{transition:none}}._section_rhlan_142{background:var(--c-bg-pale);width:100%;display:flex;justify-content:center}._viewport_rhlan_149{position:relative;width:100%;height:640px;display:flex;justify-content:center;overflow:hidden;container-type:inline-size}@media(min-width:1025px)and (max-width:1440px){._viewport_rhlan_149{height:calc(640px*100cqw/1440px)}}@media(min-width:1921px){._viewport_rhlan_149{height:calc(640px*min(1.4,100cqw / 1920px))}}@media(max-width:1024px){._viewport_rhlan_149{display:none}}._canvas_rhlan_174{position:relative;width:1440px;height:640px;flex-shrink:0;transform-origin:top center}@media(min-width:1025px)and (max-width:1440px){._canvas_rhlan_174{transform:scale(calc(100cqw/1440px))}}@media(min-width:1921px){._canvas_rhlan_174{transform:scale(min(1.4,100cqw / 1920px))}}._title_rhlan_192{position:absolute;left:50%;top:71px;transform:translate(-50%,-50%);margin:0;white-space:nowrap;text-align:center;font-family:Circe,Inter,sans-serif;font-weight:400;font-size:var(--fs-40);line-height:40px;color:var(--c-black)}._tabs_rhlan_14{position:absolute;left:50%;top:113px;transform:translate(-50%);display:flex;align-items:center;gap:8px}._tab_rhlan_14{flex:0 0 auto;height:32px;padding:0 20px;border-radius:20px;background:var(--c-bg);border:1px solid var(--c-line-mist);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font-family:Circe,Inter,sans-serif;font-weight:400;font-size:var(--fs-16);line-height:1;color:var(--c-black);white-space:nowrap;transition:background .18s ease,border-color .18s ease,color .18s ease}._tab_rhlan_14:hover{border-color:var(--c-primary);background:var(--c-primary-tint)}._srOnly_rhlan_241{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}._tabActive_rhlan_253{background:var(--c-primary);border-color:var(--c-primary);color:var(--c-bg)}._tabActive_rhlan_253:hover{background:var(--c-primary-hover);border-color:var(--c-primary-hover)}._slot_rhlan_263{position:absolute;left:366px;top:173px;width:707px}._card_rhlan_270{position:relative;width:100%;height:397px;border-radius:12px;overflow:hidden;background:var(--c-black);box-shadow:0 18px 44px #10264c1a}._poster_rhlan_134{position:relative;display:block;width:100%;height:100%;margin:0;padding:0;border:0;background:var(--c-black);cursor:pointer;overflow:hidden}._poster_rhlan_134:hover ._playIcon_rhlan_84,._poster_rhlan_134:focus-visible ._playIcon_rhlan_84{transform:translate(-50%,-50%) scale(1.08)}._poster_rhlan_134:hover ._posterImg_rhlan_134{transform:scale(1.02)}._posterImg_rhlan_134{display:block;width:100%;height:100%;object-fit:cover;transition:transform .35s ease}._playIcon_rhlan_84{position:absolute;left:50%;top:50%;width:68px;height:68px;transform:translate(-50%,-50%);transition:transform .2s ease;pointer-events:none;filter:drop-shadow(0 6px 16px rgba(0,0,0,.28))}._playIcon_rhlan_84 img{display:block;width:100%;height:100%}._video_rhlan_324{display:block;width:100%;height:100%;object-fit:cover;background:var(--c-black)}._arrow_rhlan_136{width:29px;height:29px;padding:0;border:0;border-radius:6px;background:transparent;cursor:pointer;transition:transform .18s ease,opacity .18s ease}._arrow_rhlan_136 img{display:block;width:100%;height:100%}._arrow_rhlan_136:hover{opacity:.85}._arrowPrev_rhlan_351{transform:scaleX(-1)}._arrowPrev_rhlan_351:hover{transform:scaleX(-1) translate(2px)}._arrowNext_rhlan_358:hover{transform:translate(2px)}._slot_rhlan_263:not(._slotLeft_rhlan_362):not(._slotRight_rhlan_362) ._arrow_rhlan_136{position:absolute;top:184px}._slot_rhlan_263:not(._slotLeft_rhlan_362):not(._slotRight_rhlan_362) ._arrowPrev_rhlan_351{left:-119px}._slot_rhlan_263:not(._slotLeft_rhlan_362):not(._slotRight_rhlan_362) ._arrowNext_rhlan_358{left:797px}._slot_rhlan_263:not(._slotLeft_rhlan_362):not(._slotRight_rhlan_362) ._metaRow_rhlan_112{position:absolute;top:413px;width:100%}._metaRow_rhlan_112{display:flex;justify-content:center}._meta_rhlan_112{margin:0;display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:center;font-family:Circe,Inter,sans-serif;font-weight:400;font-size:var(--fs-16);line-height:24px;color:var(--c-text-muted, #6b7280)}._metaSubject_rhlan_397{color:var(--c-primary)}._metaDot_rhlan_401{color:var(--c-line-slate)}._metaTopic_rhlan_405{color:var(--c-black)}._metaCounter_rhlan_125{margin-left:4px;padding-left:12px;border-left:1px solid var(--c-line);white-space:nowrap}._slotLeft_rhlan_362,._slotRight_rhlan_362{top:158px;width:620px}._slotLeft_rhlan_362 ._card_rhlan_270,._slotRight_rhlan_362 ._card_rhlan_270{height:349px}._slotLeft_rhlan_362 ._controls_rhlan_425,._slotRight_rhlan_362 ._controls_rhlan_425{position:absolute;top:365px;width:100%;display:flex;align-items:center;justify-content:center;gap:20px}._slotLeft_rhlan_362 ._metaRow_rhlan_112,._slotRight_rhlan_362 ._metaRow_rhlan_112{position:absolute;top:410px;width:100%}._slotLeft_rhlan_362{left:70px}._slotRight_rhlan_362{left:750px}._groupLabel_rhlan_450{position:absolute;top:-40px;left:0;margin:0;display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:14px;background:var(--c-primary);color:var(--c-bg);font-family:Circe,Inter,sans-serif;font-weight:400;font-size:var(--fs-14);line-height:1;white-space:nowrap}._slot_rhlan_263[hidden],._mobileSlot_rhlan_50[hidden],._fallbackLessons_rhlan_471[hidden],._fallbackNote_rhlan_472[hidden]{display:none!important}._fallbackNote_rhlan_472{max-width:707px;margin:16px auto 0;padding:0 24px;font:400 var(--fs-16)/1.5 var(--ff-base);color:var(--c-text);text-align:center}._fallbackLessons_rhlan_471{width:100%;max-width:707px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));gap:24px;list-style:none;margin:24px 0 0;padding:0}._fallbackLessons_rhlan_471 figure{margin:0}._fallbackLessons_rhlan_471 img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:12px}._fallbackLessons_rhlan_471 figcaption{margin-top:8px;font:400 var(--fs-14)/1.5 var(--ff-base);color:var(--c-text)}@media(max-width:1024px){._fallbackLessons_rhlan_471{width:calc(100% - 40px);max-width:320px}}._poster_rhlan_134:disabled{cursor:default}._poster_rhlan_134:disabled ._playIcon_rhlan_84{opacity:.5}._tab_rhlan_14:focus-visible,._poster_rhlan_134:focus-visible,._arrow_rhlan_136:focus-visible,._dot_rhlan_89:focus-visible,._slot_rhlan_263:focus-visible,._mobileSlot_rhlan_50:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px}._section_rhlan_142:not([data-lessons-enhanced]) ._tabs_rhlan_14,._section_rhlan_142:not([data-lessons-enhanced]) ._mobileTabsScroll_rhlan_31,._section_rhlan_142:not([data-lessons-enhanced]) ._controls_rhlan_425,._section_rhlan_142:not([data-lessons-enhanced]) ._dots_rhlan_89{display:none}._section_rhlan_142:not([data-lessons-enhanced]) ._viewport_rhlan_149{height:auto}._section_rhlan_142:not([data-lessons-enhanced]) ._canvas_rhlan_174{width:100%;height:auto;transform:none;padding:40px 24px}._section_rhlan_142:not([data-lessons-enhanced]) ._title_rhlan_192{position:static;transform:none;white-space:normal}._section_rhlan_142:not([data-lessons-enhanced]) ._slot_rhlan_263,._section_rhlan_142:not([data-lessons-enhanced]) ._slotLeft_rhlan_362,._section_rhlan_142:not([data-lessons-enhanced]) ._slotRight_rhlan_362{position:relative;left:auto;top:auto;width:100%;max-width:707px;margin:40px auto 0}._section_rhlan_142:not([data-lessons-enhanced]) ._slot_rhlan_263 ._card_rhlan_270{height:auto;aspect-ratio:16/9}._section_rhlan_142:not([data-lessons-enhanced]) ._slot_rhlan_263 ._groupLabel_rhlan_450{position:static;margin-bottom:12px}._section_rhlan_142:not([data-lessons-enhanced]) ._slot_rhlan_263 ._metaRow_rhlan_112{position:static;width:100%;margin-top:16px}