.guide_guide__iOexd{color:#1e1f1a;background:#fff;font-variant-numeric:tabular-nums}.guide_layout__NBEco{display:grid;grid-template-columns:minmax(0,1fr) 440px;-moz-column-gap:40px;column-gap:40px;align-items:start}.guide_intro__SB6vi{grid-column:1;grid-row:1}.guide_answerRest__Mbj8P{grid-column:1;grid-row:2;margin-top:8px}.guide_reading__gx9vX{grid-column:1;grid-row:3;min-width:0}.guide_board__x37Dm{grid-column:2;grid-row:1/span 3;position:sticky;top:20px;min-width:0}.guide_previewTag__ftDMU{position:absolute;z-index:5;top:8px;right:8px;max-width:80%;border-radius:6px;background:#124429;padding:4px 10px;color:#fff;font-size:13px;font-weight:700}.guide_chapter__zNf1z{padding-top:20px;scroll-margin-top:8px}.guide_chapterCount__F2BkH{font-size:13px;font-weight:700;color:#124429;margin-bottom:4px}.guide_chapter__zNf1z h2{font-size:28px;line-height:1.25;font-weight:800;margin-bottom:16px}.guide_chapter__zNf1z h3{font-size:16px;font-weight:800;margin:24px 0 8px}.guide_chapter__zNf1z li,.guide_chapter__zNf1z p{font-size:16px;line-height:1.7;color:#3d3e38}.guide_chapter__zNf1z p{margin:12px 0}.guide_chapter__zNf1z ul{padding-left:24px;list-style:disc}.guide_plans__QCHL_{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin:20px 0}.guide_plans__QCHL_>div{border:1px solid #e8e5dc;border-radius:10px;padding:14px 16px}.guide_plans__QCHL_>div:last-child:not(:first-child){background:#f6f4ee}.guide_plans__QCHL_ h3{margin:0 0 6px}.guide_plans__QCHL_ .guide_prose__GJcWs{margin:0}.guide_plans__QCHL_ .guide_proseLine__dq09q{margin:6px 0 0;font-size:15px}.guide_plans__QCHL_ .guide_proseLine__dq09q:first-child{margin-top:0}.guide_plans__QCHL_ .guide_proseLead__g4mek{font-weight:500}.guide_rail__vX4xY{display:flex;gap:20px;overflow-x:auto;padding:16px 2px 4px}.guide_rail__vX4xY a{position:relative;width:64px;flex-shrink:0;font-size:11px;font-weight:600;line-height:1.25;color:#55544b}.guide_rail__vX4xY a+a:before{content:"›";position:absolute;left:-14px;top:22px;color:#a09e90;font-size:14px}.guide_rail__vX4xY a>svg{margin-bottom:4px}.guide_rail__vX4xY a[aria-current]{color:#124429;font-weight:800}.guide_rail__vX4xY a[aria-current]>svg{outline:2px solid #124429;outline-offset:1px}.guide_choices__29gLX{display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:12px;margin:14px 0 28px}.guide_choice__6rNtZ{display:flex;flex-direction:column;gap:8px;border:1px solid #e8e5dc;padding:8px;border-radius:10px;min-width:0;text-align:left}.guide_choice__6rNtZ:focus-within,.guide_choice__6rNtZ:hover{border-color:#124429;background:#f6f4ee}.guide_choice__6rNtZ>span:first-child{width:100%}.guide_choice__6rNtZ strong{display:block;font-size:14px;font-weight:800;line-height:1.3;color:#124429}.guide_choice__6rNtZ small{display:block;margin-top:2px;font-size:12px;font-weight:600;color:#55544b}.guide_choices__29gLX>:only-child{grid-column:1/-1;flex-direction:row;align-items:center;gap:14px}.guide_choices__29gLX>:only-child>span:first-child{width:88px;flex-shrink:0}.guide_nextChapter__sMd_A{display:flex;min-height:64px;flex-direction:column;justify-content:center;align-items:flex-end;border-radius:10px;background:#124429;padding:10px 20px;color:#fff;text-align:right}.guide_nextChapter__sMd_A:hover{background:#0e351f}.guide_nextChapter__sMd_A span{font-size:12px;font-weight:600}.guide_nextChapter__sMd_A strong{font-size:16px;font-weight:800;line-height:1.3}.guide_tools__vxBiO{display:flex;flex-direction:column;gap:16px;margin:32px 0;border-radius:12px;background:#f6f4ee;padding:20px}.guide_after__N2naL{margin-top:40px;display:flex;flex-direction:column;gap:32px}.guide_contents__XDb63{margin-top:12px;border:1px solid #e8e5dc;border-radius:10px;padding:12px;background:#fff}.guide_contentsHead__akgLt{display:flex;align-items:baseline;justify-content:space-between;gap:8px;font-size:14px;font-weight:800;color:#1e1f1a}.guide_contentsHead__akgLt span{font-size:12px;font-weight:700;color:#124429}.guide_ticks__9jMRQ{display:flex;gap:2px;margin-top:8px}.guide_ticks__9jMRQ i{flex:1;height:3px;border-radius:2px;background:#e8e5dc}.guide_ticks__9jMRQ i[data-past]{background:#9db8a5}.guide_ticks__9jMRQ i[data-now]{background:#124429}.guide_contents__XDb63 input{background:#f6f4ee;border-color:transparent}.guide_contents__XDb63 nav{max-height:max(200px,calc(100vh - 620px));overflow-y:auto}@media (min-width:1280px){.guide_contents__XDb63 nav{max-height:max(200px,calc(100vh - 660px))}}.guide_sheetContents__cUEUL{border:0;margin:0;padding:0}.guide_sheetContents__cUEUL nav{max-height:none;overflow:visible}.guide_contentsGroup__LzTDK{position:relative}.guide_contents__XDb63 a{display:flex;align-items:center;gap:10px;padding:5px 44px 5px 8px;min-height:48px;font-size:13px;font-weight:600;line-height:1.3;border-radius:8px}.guide_contents__XDb63 a:hover{background:#f6f4ee}.guide_contents__XDb63 a[aria-current]{background:#e8efe9;font-weight:800;color:#124429}.guide_contents__XDb63 a:has(svg){min-height:56px}.guide_contents__XDb63 a>span:first-child:has(svg){width:48px;flex-shrink:0}.guide_contents__XDb63 small{font-weight:500}.guide_contents__XDb63 details>summary{position:absolute;top:0;right:0;display:flex;align-items:center;gap:3px;width:44px;height:56px;justify-content:flex-end;padding-right:8px;cursor:pointer;list-style:none;font-size:11px;font-weight:700;color:#55544b}.guide_contents__XDb63 details>summary::-webkit-details-marker{display:none}.guide_contents__XDb63 details>summary:after{content:"+";color:#124429;font-size:15px;font-weight:700}.guide_contents__XDb63 details[open]>summary:after{content:"−"}.guide_chooser__6R6yl{margin-top:20px;max-width:760px}.guide_chooser__6R6yl h2{font-size:20px;line-height:1.3;font-weight:800}.guide_chooser__6R6yl>p{margin:4px 0 0;font-size:15px;line-height:1.6;color:#3d3e38}.guide_chooser__6R6yl table{width:100%;margin-top:10px;border-collapse:collapse;font-size:14px;line-height:1.5}.guide_chooser__6R6yl thead th{padding:6px 8px;border-bottom:1px solid #1e1f1a;text-align:left;font-size:12px;font-weight:700;color:#55544b}.guide_chooser__6R6yl tbody th,.guide_chooser__6R6yl td{padding:10px 8px;border-bottom:1px solid #e8e5dc;text-align:left;vertical-align:top;color:#3d3e38}.guide_chooser__6R6yl tbody th{font-weight:800;color:#124429;white-space:nowrap}.guide_chooser__6R6yl td strong{font-weight:800;color:#1e1f1a}.guide_chooser__6R6yl tr[data-continuation] th{padding-left:22px;font-weight:700}.guide_chooser__6R6yl tr[data-continuation] th:before{content:"› ";color:#a09e90}.guide_chooser__6R6yl td a{display:inline-flex;min-height:44px;align-items:center;white-space:nowrap;font-weight:700;color:#124429;text-decoration:underline;text-underline-offset:2px}.guide_chooser__6R6yl td:last-child{padding-block:0;vertical-align:middle}.guide_phoneBar__1iBHn{display:none}.guide_guide__iOexd :is(a,button,input,summary):focus-visible{outline:2px solid #124429;outline-offset:2px}@media (min-width:700px) and (max-width:1099px){.guide_layout__NBEco{grid-template-columns:minmax(0,1fr) 320px;gap:24px}}@media (min-width:1280px){.guide_layout__NBEco{grid-template-columns:minmax(0,1fr) 520px}}@media (max-width:699px){.guide_chapterCount__F2BkH{display:none}.guide_layout__NBEco{display:flex;flex-direction:column;gap:10px}.guide_intro__SB6vi{order:0;width:100%}.guide_board__x37Dm{order:1;position:static;width:100%}.guide_answerRest__Mbj8P{order:3;margin-top:4px}.guide_reading__gx9vX{order:4;width:100%;padding-top:0}.guide_chapter__zNf1z h2{font-size:24px}.guide_chapter__zNf1z{scroll-margin-top:60px}.guide_chooser__6R6yl thead{display:none}.guide_chooser__6R6yl tr{display:grid;grid-template-columns:auto minmax(0,1fr);-moz-column-gap:10px;column-gap:10px;padding:10px 0;border-bottom:1px solid #e8e5dc}.guide_chooser__6R6yl tbody th,.guide_chooser__6R6yl td{padding:0;border:0}.guide_chooser__6R6yl td:nth-of-type(2){grid-column:1/-1;margin-top:4px}.guide_chooser__6R6yl td:last-child{grid-column:1/-1}.guide_chooser__6R6yl tr[data-continuation]{padding-left:16px}.guide_chooser__6R6yl tr[data-continuation] th{padding-left:0}.guide_choices__29gLX{grid-template-columns:repeat(2,minmax(0,1fr))}.guide_choices__29gLX>:last-child:nth-child(odd):not(:only-child){grid-column:1/-1;flex-direction:row;align-items:center;gap:14px}.guide_choices__29gLX>:last-child:nth-child(odd):not(:only-child)>span:first-child{width:88px;flex-shrink:0}.guide_tools__vxBiO{padding:16px}.guide_tools__vxBiO form{flex-wrap:wrap}.guide_tools__vxBiO form input{flex:1 0 100%}.guide_phoneBar__1iBHn{order:2;display:flex;position:sticky;top:0;z-index:40;gap:10px;align-items:center;width:calc(100% + 32px);margin:0 -16px;background:#fff;border-block:1px solid #e8e5dc;padding:6px 16px}.guide_phoneBar__1iBHn button{min-height:44px;color:#124429;font-weight:700}.guide_phoneBar__1iBHn button:first-child{width:44px;flex-shrink:0}.guide_phoneBar__1iBHn button:last-child{flex-shrink:0;border-radius:999px;background:#f6f4ee;padding:0 16px;font-size:14px}}@media (prefers-reduced-motion:reduce){.guide_guide__iOexd *{scroll-behavior:auto!important;transition:none!important;animation:none!important}html:has(.guide_guide__iOexd){scroll-behavior:auto!important}}@media (max-width:1099px){.guide_moveChip__8kql6:after{content:"";position:absolute;top:50%;left:50%;width:max(100%,44px);height:44px;transform:translate(-50%,-50%)}}.guide_prose__GJcWs{margin:16px 0}.guide_proseLine__dq09q{margin:12px 0;line-height:1.7}.guide_proseLead__g4mek{font-weight:700;color:#1e1f1a}.guide_proseBullet__FKWlK{margin:8px 0}.guide_moveChip__8kql6{position:relative;margin:0 1px;padding:3px 6px 3px 3px;border:1px solid #dfdcd1;border-radius:6px;background:#fff;color:#124429;font-size:14px;font-weight:700;white-space:nowrap;text-decoration:none}.guide_moveChip__8kql6:hover{border-color:#124429;background:#e8efe9}.guide_moveChip__8kql6 img{display:inline;width:16px;height:16px;margin-right:2px;vertical-align:-3px}.guide_moveChipBlack__ke_pC{background:#ece9df}.guide_moveChip__8kql6[data-current]{border-color:#124429;background:#124429;color:#fff}.guide_moveChip__8kql6[data-current] img{filter:brightness(0) invert(1)}.guide_square__uRUfJ{background:#eeeed2;padding:1px 4px;border-radius:3px}.guide_openingName___XxAz{color:#124429;font-weight:700}.guide_proseNumber___Vc5i{font-weight:700}.guide_proseEval__R2bxI{color:#8a6220;font-weight:700}.guide_stats__LOzII{padding:12px 16px;background:#f6f4ee;border-radius:10px;margin:20px 0;font-size:15px}.guide_chapter__zNf1z p.guide_statsSource__eM5B5,.guide_statsSource__eM5B5{margin-top:6px;font-size:12px;line-height:1.4;font-weight:500;color:#6b6a60}.guide_statsSource__eM5B5 a{color:inherit;text-decoration:underline;text-decoration-color:#c9c6bb;text-underline-offset:2px}.guide_statsSource__eM5B5 a:hover{color:#124429}.guide_engineLabel__XXBw5{writing-mode:vertical-rl;transform:rotate(180deg);text-align:center;font-size:10px;font-weight:600;line-height:1;color:#55544b}.guide_statsTrack__8VvhN{display:flex;height:8px;overflow:hidden;border-radius:99px;border:1px solid #d9d7cc}.guide_statsWhite__PW7Ea{background:#fff}.guide_statsDraw__Ek8rx{background:#a09e90}.guide_statsBlack__27Hk3{background:#2b2c27}.guide_statsEmpty__2nNje{height:8px;border:1px dashed #a09e90;border-radius:99px}.guide_statsLabels__2n_MC{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px;font-size:12px}.h-screen:has(>.guide_guide__iOexd){height:auto;min-height:100vh;overflow:visible}@media (min-width:700px) and (max-width:1099px){.h-screen:has(>.guide_guide__iOexd){flex-direction:column}.h-screen:has(>.guide_guide__iOexd)>div:first-of-type{display:block}.h-screen:has(>.guide_guide__iOexd)>.hidden.h-screen{display:none}}@media (min-width:1100px){.h-screen:has(>.guide_guide__iOexd)>.hidden.h-screen{position:sticky;top:0;align-self:flex-start}}.guide_start__6Z4XG{display:flex;flex-direction:column;gap:2px;max-width:760px;margin-top:2px}.guide_start__6Z4XG p{margin:0;font-size:17px;line-height:1.5;color:#1e1f1a}.guide_start__6Z4XG strong{font-weight:800;color:#124429}.guide_paths__MTU8_{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 6px}.guide_paths__MTU8_ span{align-self:center;font-size:14px;font-weight:700;color:#3d3e38}.guide_paths__MTU8_ a{display:inline-flex;min-height:44px;align-items:center;border:1px solid #124429;border-radius:10px;padding:0 14px;font-size:14px;font-weight:700;color:#124429}.guide_paths__MTU8_ a:hover{background:rgba(18,68,41,.05)}.guide_engineHelp__64SjC{position:relative;flex-shrink:0}.guide_engineHelp__64SjC summary{position:relative;display:grid;place-items:center;width:18px;height:18px;border:1px solid #124429;border-radius:50%;cursor:pointer;list-style:none;font-size:11px;font-weight:800;line-height:1;color:#124429}.guide_engineHelp__64SjC summary::-webkit-details-marker{display:none}.guide_engineHelp__64SjC summary:after{content:"";position:absolute;top:50%;left:50%;width:44px;height:44px;transform:translate(-50%,-50%)}.guide_engineHelp__64SjC p{position:absolute;z-index:30;top:26px;width:min(280px,80vw);margin:0;padding:10px 12px;border:1px solid #d9d7cc;border-radius:10px;background:#fff;box-shadow:0 8px 24px rgba(30,31,26,.16);font-size:13px;line-height:1.5;color:#3d3e38}.guide_engineHelp__64SjC[data-side=right] p{right:0}.guide_engineHelp__64SjC[data-side=left] p{left:0}@media (min-width:700px){.guide_engineHelp__64SjC[data-side=left]{position:absolute;top:0;left:-2px;z-index:5}}.guide_fold__y_tXN{margin:14px 0}.guide_fold__y_tXN summary{display:inline-flex;min-height:44px;align-items:center;cursor:pointer;font-weight:700;color:#124429}.guide_nextStep__w6Vn5{display:flex;flex-direction:column;gap:2px;margin-top:20px!important}.guide_nextStep__w6Vn5 a{display:inline-flex;min-height:44px;align-items:center;align-self:flex-start;border:1px solid #124429;border-radius:10px;padding:0 16px;font-weight:700;color:#124429}.guide_nextStep__w6Vn5 span{font-size:13px;line-height:1.4;color:#55544b}.guide_sourceNote__xj3ej{margin-top:24px;font-size:13px;line-height:1.5;color:#6b6a60}.guide_sourceNote__xj3ej a{text-decoration:underline;text-underline-offset:2px}@media (max-width:699px){.guide_chapter__zNf1z [id$=-black-plan],.guide_chapter__zNf1z [id$=-white-plan],.guide_chapter__zNf1z [id^=opening-line-]{scroll-margin-top:72px}}.chart_chart__2HFvK{--c-ink:#1e1f1a;--c-mute:#55544b;--c-line:#e8e5dc;--c-track:#f3f1ea;--c-bg:#fff;--t-green:#124429;--t-ink:#3d3e38;--t-sand:#c9c3ad;--t-gold:#b7791f;--t-blue:#2b5f8a;--t-red:#a33a2c;margin:20px 0;padding:16px;border:1px solid var(--c-line);border-radius:12px;background:var(--c-bg);color:var(--c-ink);font-variant-numeric:tabular-nums}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .chart_chart__2HFvK{--c-ink:#ecebe4;--c-mute:#b4b2a5;--c-line:#3a3b34;--c-track:#2a2b26;--c-bg:#1c1d19;--t-green:#5fb583;--t-ink:#d9d7cb;--t-sand:#8d8870;--t-gold:#e0a84a;--t-blue:#7fb2dc;--t-red:#e17d6c}}.chart_title__DWv43{font-size:18px;line-height:1.3;font-weight:800;margin:0 0 4px}.chart_lead__MhknR{font-size:14px;line-height:1.5;color:var(--c-mute);margin:0 0 10px}.chart_legend__7fTFO{display:flex;flex-wrap:wrap;gap:4px 14px;list-style:none;padding:0;margin:0 0 10px;font-size:13px;font-weight:600}.chart_swatch__1ITO2{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:6px;vertical-align:baseline}.chart_green__DWgha{background:var(--t-green);fill:var(--t-green)}.chart_ink__0KduS{background:var(--t-ink);fill:var(--t-ink)}.chart_sand__wxJVe{background:var(--t-sand);fill:var(--t-sand)}.chart_gold__Cnl0p{background:var(--t-gold);fill:var(--t-gold)}.chart_blue__z86BI{background:var(--t-blue);fill:var(--t-blue)}.chart_red__gTJJp{background:var(--t-red);fill:var(--t-red)}.chart_rows__QoHfP{display:flex;flex-direction:column;gap:12px}.chart_row__B_PsS{display:grid;grid-template-columns:150px minmax(0,1fr);gap:4px 12px;align-items:center}.chart_rowLabel__taZxo{display:flex;flex-direction:column;font-size:14px;font-weight:700;line-height:1.25;min-width:0}.chart_rowLabel__taZxo a{color:var(--t-green);text-decoration:underline;text-underline-offset:2px}.chart_rowLabel__taZxo small{font-size:12px;font-weight:500;color:var(--c-mute)}.chart_plot__n54ru{min-width:0}.chart_plot__n54ru svg{display:block;overflow:hidden;border-radius:3px}.chart_track__NJzCo{fill:var(--c-track)}.chart_bar__GCJrR{rx:2px}.chart_ref__p6GD0{stroke:var(--c-ink);stroke-width:1.5;stroke-dasharray:3 3;opacity:.7}.chart_values__bn5XC{display:flex;flex-wrap:wrap;gap:0 14px;list-style:none;padding:0;margin:4px 0 0;font-size:13px}.chart_values__bn5XC b{font-weight:800}.chart_vlabel__zxubv{color:var(--c-mute)}.chart_axis__9J09E{display:grid;grid-template-columns:150px minmax(0,1fr);gap:0 12px;margin-top:6px}.chart_ticks__kV6uX{display:flex;justify-content:space-between;font-size:11px;color:var(--c-mute);border-top:1px solid var(--c-line);padding-top:2px}.chart_note__KMkYh{font-size:12px;color:var(--c-mute);margin:10px 0 0}.chart_caption__nvtad{font-size:12px;line-height:1.5;color:var(--c-mute);margin:8px 0 0}.chart_caption__nvtad a{color:var(--t-green);text-decoration:underline}.chart_details__hB1MC{margin-top:10px;font-size:13px}.chart_details__hB1MC summary{cursor:pointer;font-weight:700;color:var(--t-green);min-height:24px}.chart_tableWrap__r_OYl{overflow-x:auto;margin-top:8px}.chart_tableWrap__r_OYl table{border-collapse:collapse;width:100%;font-size:13px}.chart_tableWrap__r_OYl td,.chart_tableWrap__r_OYl th{padding:5px 8px;border-bottom:1px solid var(--c-line);text-align:right;white-space:nowrap}.chart_tableWrap__r_OYl td:first-child,.chart_tableWrap__r_OYl th:first-child{text-align:left;white-space:normal}.chart_srOnly__zWlHi{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}@media (max-width:520px){.chart_chart__2HFvK{padding:12px}.chart_axis__9J09E,.chart_row__B_PsS{grid-template-columns:minmax(0,1fr)}.chart_axis__9J09E>span{display:none}.chart_rowLabel__taZxo{flex-direction:row;flex-wrap:wrap;gap:0 8px;align-items:baseline}}.learn_table___TDyS{width:100%;border-collapse:collapse;font-size:15px;line-height:1.5;color:#3d3e38}.learn_table___TDyS thead th{padding:6px 8px;overflow-wrap:normal;border-bottom:1px solid #1e1f1a;text-align:left;font-size:12px;font-weight:700;color:#55544b;white-space:nowrap}.learn_table___TDyS tbody th,.learn_table___TDyS td{padding:10px 8px;border-bottom:1px solid #e8e5dc;text-align:left;vertical-align:top}.learn_table___TDyS tbody th{font-weight:800;color:#1e1f1a;white-space:nowrap}.learn_table___TDyS tbody th a{display:inline-flex;align-items:center;gap:6px;min-height:44px;margin:-10px 0;color:#124429;text-decoration:underline;text-underline-offset:2px}.learn_table___TDyS tbody th img{width:28px;height:28px}.learn_table___TDyS td.learn_num__7zNJr{font-weight:700;color:#1e1f1a}.learn_table___TDyS tr[data-piece]>*{border-bottom:0;padding-bottom:2px}.learn_table___TDyS tr[data-moves] td{padding-top:2px}.learn_table___TDyS tr[data-moves] strong{color:#1e1f1a}.learn_scroll__I8H7U{overflow-x:auto;margin:12px 0 0;-webkit-overflow-scrolling:touch}.learn_scroll__I8H7U .learn_table___TDyS tbody th{position:sticky;left:0;background:#fff}@media (max-width:430px){.learn_table___TDyS{font-size:14px}.learn_table___TDyS tbody th{white-space:normal}.learn_table___TDyS tbody th,.learn_table___TDyS td{padding:8px 6px}.learn_table___TDyS thead th{padding:6px}}.learn_lang__XFE9A small{display:block;font-size:13px;font-weight:700;color:#124429}.learn_squares__Xegas{display:grid;grid-template-columns:20px repeat(8,minmax(0,1fr));max-width:480px;margin:16px 0 8px;font-size:13px;font-weight:700;text-align:center}.learn_squares__Xegas>span{display:flex;align-items:center;justify-content:center;aspect-ratio:1;color:#1e1f1a}.learn_squares__Xegas>span[data-light]{background:#eeeed2}.learn_squares__Xegas>span[data-dark]{background:#769656}.learn_squares__Xegas>span[data-axis]{aspect-ratio:auto;min-height:20px;color:#55544b;font-size:12px}.learn_squares__Xegas>span[data-start]{flex-direction:column;line-height:1.1}.learn_squares__Xegas>span small{font-size:10px;font-weight:600}@media (max-width:699px){.learn_stack__2g4B7 thead{display:none}.learn_stack__2g4B7 tr{display:grid;grid-template-columns:auto minmax(0,1fr);-moz-column-gap:10px;column-gap:10px;padding:12px 0;border-bottom:1px solid #e8e5dc}.learn_stack__2g4B7 tbody th,.learn_stack__2g4B7 td{padding:0;border:0}.learn_stack__2g4B7 td[data-label]:before{content:attr(data-label) ": ";font-weight:700;color:#1e1f1a}.learn_stack__2g4B7 td{grid-column:1/-1;margin-top:4px}.learn_stack__2g4B7 tr[data-piece]{display:flex;flex-wrap:wrap;-moz-column-gap:14px;column-gap:14px;padding-bottom:0;border-bottom:0}.learn_stack__2g4B7 tr[data-piece] th{flex:1 0 100%}.learn_stack__2g4B7 tr[data-piece] td{margin-top:4px}.learn_stack__2g4B7 tr[data-moves]{display:block;padding-top:6px}.learn_lang__XFE9A{font-size:14px}.learn_lang__XFE9A tbody th,.learn_lang__XFE9A td,.learn_lang__XFE9A thead th{padding:8px 5px}.learn_squares__Xegas{font-size:11px}.learn_squares__Xegas>span small{display:none}}.learn_cta__s_KWB{color:#fff!important;text-decoration:none!important}.learn_printOnly__G_O_I{display:none}@media print{@page{margin:12mm}html:has(.learn_sheet__peb1V) body :not(:has(.learn_keep__h3tgv)):not(.learn_keep__h3tgv):not(.learn_keep__h3tgv *){display:none!important}html:has(.learn_sheet__peb1V) :has(.learn_keep__h3tgv){display:block!important;position:static!important;height:auto!important;min-height:0!important;max-height:none!important;overflow:visible!important;width:auto!important;max-width:none!important;margin:0!important;padding:0!important;border:0!important;box-shadow:none!important}.learn_sheet__peb1V .learn_keep__h3tgv .learn_cta__s_KWB,.learn_sheet__peb1V .learn_keep__h3tgv [data-print-sheet]{display:none!important}.learn_sheet__peb1V .learn_printOnly__G_O_I{display:block;margin:0 0 3mm;font-size:10pt;color:#1e1f1a}.learn_sheet__peb1V div:has(>section.learn_keep__h3tgv){-moz-column-count:2;column-count:2;-moz-column-gap:8mm;column-gap:8mm}.learn_sheet__peb1V section.learn_keep__h3tgv{-moz-column-break-inside:avoid;break-inside:avoid;margin:0 0 3mm!important;padding:0!important;font-size:8.6pt;line-height:1.3;color:#1e1f1a;-webkit-print-color-adjust:exact;print-color-adjust:exact}.learn_sheet__peb1V section.learn_keep__h3tgv h2{margin:0 0 1mm!important;font-size:11.5pt;line-height:1.2}.learn_sheet__peb1V section.learn_keep__h3tgv ol,.learn_sheet__peb1V section.learn_keep__h3tgv p{margin:0 0 1.2mm!important;font-size:8.6pt!important;line-height:1.3!important}.learn_sheet__peb1V section.learn_keep__h3tgv li{margin:0!important;font-size:8.6pt!important;line-height:1.3!important}.learn_sheet__peb1V section.learn_keep__h3tgv ol{padding-left:4.5mm!important}.learn_sheet__peb1V section.learn_keep__h3tgv .learn_scroll__I8H7U{overflow:visible;margin:1mm 0}.learn_sheet__peb1V section.learn_keep__h3tgv .learn_table___TDyS{font-size:8pt;line-height:1.25}.learn_sheet__peb1V section.learn_keep__h3tgv .learn_table___TDyS thead th{padding:.6mm 1mm;font-size:7.5pt}.learn_sheet__peb1V section.learn_keep__h3tgv .learn_table___TDyS tbody th,.learn_sheet__peb1V section.learn_keep__h3tgv .learn_table___TDyS td{padding:.6mm 1mm;white-space:normal;position:static}}.learn_azBar__6NOrc{display:flex;flex-wrap:wrap;gap:4px;margin:12px 0 8px}.learn_azBar__6NOrc a,.learn_azBar__6NOrc span{display:inline-flex;align-items:center;justify-content:center;min-width:32px;min-height:36px;border-radius:8px;font-size:14px;font-weight:800}.learn_azBar__6NOrc a{color:#124429;background:#eef3ee;text-decoration:none}.learn_azBar__6NOrc span{color:#b9b7ab}.learn_filter__qN0Bt{margin:8px 0 12px}.learn_filter__qN0Bt label{display:block;font-size:13px;font-weight:700;color:#55544b}.learn_filter__qN0Bt input{width:100%;max-width:420px;min-height:44px;margin-top:4px;padding:0 12px;border:1px solid #c9c6b8;border-radius:10px;font-size:16px;background:#fff;color:#1e1f1a}.learn_filter__qN0Bt p{margin:6px 0 0;font-size:13px;color:#55544b}.learn_letterGroup___2fjs{scroll-margin-top:80px;margin-top:16px}.learn_letterHead__rqFI_{margin:0;padding-bottom:2px;border-bottom:1px solid #1e1f1a;font-size:20px;font-weight:800;color:#1e1f1a}.learn_terms__RZLDN{margin:0}.learn_term__Xe9_M{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid #e8e5dc;scroll-margin-top:80px}.learn_letterGroup___2fjs[hidden],.learn_term__Xe9_M[hidden]{display:none}.learn_termBoard__mRBM_{width:96px;flex:none}.learn_termText__4jM2n{min-width:0;font-size:15px;line-height:1.5;color:#3d3e38}.learn_termText__4jM2n dt{margin:0;color:#1e1f1a}.learn_termText__4jM2n dd{margin:2px 0 0}.learn_termText__4jM2n em{color:#55544b}.learn_termText__4jM2n a{color:#124429;text-decoration:underline;text-underline-offset:2px}.learn_tag__OBHXO{margin-left:4px;padding:1px 7px;border-radius:999px;background:#f1efe6;font-size:11px;font-weight:700;color:#55544b;white-space:nowrap}.learn_keyList__33gV5{margin:12px 0 0;padding:0;list-style:none;display:grid;gap:8px}.learn_keyList__33gV5 li{padding:10px 12px;border-radius:12px;background:#eef3ee;font-size:15px;line-height:1.45;color:#1e1f1a}.learn_keyList__33gV5 b{color:#124429}.learn_chart__Dqrv_{margin:20px 0 0;padding:14px 0 0;border-top:1px solid #e8e5dc}.learn_chart__Dqrv_ figcaption strong{display:block;font-size:17px;color:#1e1f1a}.learn_chart__Dqrv_ figcaption span{display:block;margin-top:2px;font-size:14px;line-height:1.45;color:#55544b}.learn_legend__Bd84v{display:flex;flex-wrap:wrap;gap:4px 14px;margin:10px 0 0;padding:0;list-style:none;font-size:13px;color:#3d3e38}.learn_legend__Bd84v li{display:flex;align-items:center;gap:6px}.learn_legend__Bd84v i{width:12px;height:12px;border-radius:3px;display:inline-block}.learn_bars__ILCks{margin-top:10px;display:grid;gap:8px}.learn_barRow__56Gvr{display:grid;grid-template-columns:76px minmax(0,1fr);gap:8px;align-items:start;font-size:13px}.learn_barLabel__Jtogx{padding-top:1px;font-weight:700;color:#1e1f1a}.learn_barTracks__q_kem{display:grid;gap:3px}.learn_barTrack__9JT40{position:relative;display:flex;align-items:center;min-height:20px}.learn_barFill__O90Md{display:block;height:18px;border-radius:0 4px 4px 0}.learn_barValue__Ov6Ks{margin-left:6px;font-size:12px;font-weight:700;color:#1e1f1a;white-space:nowrap}.learn_source__Tcphp{margin:8px 0 0;font-size:13px;line-height:1.45;color:#55544b}.learn_numbers__PQHZK{margin-top:6px}.learn_numbers__PQHZK summary{min-height:44px;display:inline-flex;align-items:center;cursor:pointer;font-size:14px;font-weight:700;color:#124429}.learn_gameNotes__E2yRw{margin:12px 0}.learn_wrap__5HCx5{overflow-wrap:anywhere}.learn_facts__lGsnk{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin:14px 0 0;padding:0;list-style:none}.learn_facts__lGsnk li{margin:0!important;padding:12px 14px;list-style:none;border:1px solid #e6e4da;border-radius:12px;background:#fff}.learn_facts__lGsnk strong{display:block;font-size:26px;line-height:1.1;color:#124429}.learn_facts__lGsnk span{display:block;margin-top:4px;font-size:14px;line-height:1.4;color:#3d3e38}.learn_quotes__huO9b{margin:12px 0 0;padding:0;list-style:none;display:grid;gap:12px}.learn_quotes__huO9b li{margin:0!important;list-style:none;padding:0 0 0 14px;border-left:3px solid #769656}.learn_quotes__huO9b blockquote{margin:0;padding:0}.learn_quotes__huO9b p{margin:0 0 4px}.learn_cite__lvjWc{font-size:14px;line-height:1.45;color:#5a5b53}.learn_game__dZLfV{margin-top:12px}.learn_gameHead__4Jim8{margin:0 0 8px}.learn_gameNotes__E2yRw{margin:0;padding:0;list-style:none;display:grid;gap:12px}.learn_gameNotes__E2yRw li{margin:0!important;list-style:none;display:grid;grid-template-columns:minmax(150px,220px) 1fr;gap:14px;align-items:start}.learn_gameNotes__E2yRw h3{margin:0 0 4px;font-size:16px}.learn_gameNotes__E2yRw p{margin:0}.learn_gameBoard__OsKUn{width:100%;max-width:220px}.learn_gameMoves__cBCrM{margin-top:12px;font-size:15px;line-height:1.55}@media (max-width:560px){.learn_gameNotes__E2yRw li{grid-template-columns:112px 1fr;gap:10px}.learn_gameNotes__E2yRw h3{font-size:15px}.learn_facts__lGsnk{grid-template-columns:1fr 1fr}.learn_facts__lGsnk strong{font-size:22px}}.opening_row__4vK_i{border-bottom:1px solid #eceae2;vertical-align:top}.opening_name__2s1oZ{padding:12px 16px 12px var(--indent,0);text-align:left;font-weight:600;color:#1E1F1A}.opening_moves__1f7gM{padding:12px 16px 12px 0;color:#2B2C27;font-variant-numeric:tabular-nums}.opening_verdict__l74Ex{padding:12px 16px 12px 0;font-size:14px;color:#2B2C27;white-space:nowrap}.opening_score__d8D31{font-weight:600;color:#8A6220;font-variant-numeric:tabular-nums}.opening_play__jMHr_{padding:8px 0;text-align:right}.opening_playLink__NkgJO{display:inline-flex;height:44px;align-items:center;gap:8px;white-space:nowrap;border:1px solid #124429;border-radius:10px;padding:0 14px;font-size:14px;font-weight:600;color:#124429}.opening_playLink__NkgJO:hover{background:rgba(18,68,41,.05)}.opening_playLink__NkgJO:before{content:"";width:0;height:0;border-color:transparent transparent transparent currentcolor;border-style:solid;border-width:5px 0 5px 8px}@media (max-width:767px){.opening_table__YmbtW,.opening_table__YmbtW>tbody{display:block}.opening_row__4vK_i{display:grid;grid-template-columns:minmax(0,1fr) auto;-moz-column-gap:12px;column-gap:12px;padding:10px 0}.opening_moves__1f7gM,.opening_name__2s1oZ{grid-column-start:1;padding:0 0 0 var(--indent,0)}.opening_moves__1f7gM{font-size:14px;color:#55544B}.opening_verdict__l74Ex{grid-column-start:1;padding:4px 0 0 var(--indent,0)}.opening_play__jMHr_{grid-column-start:2;grid-row:1/span 3;align-self:center;padding:0}}.opening_node__K4U8f{display:flex;min-height:44px;align-items:stretch;border-radius:8px}.opening_node__K4U8f:hover{background:#F1F0EA}.opening_active__TLL2u,.opening_active__TLL2u:hover{background:rgba(18,68,41,.08)}.opening_toggle__X3cKh{display:flex;width:28px;flex-shrink:0;align-items:center;justify-content:center;border-radius:8px;color:#55544B;outline:none}.opening_toggle__X3cKh:hover{color:#124429}.opening_toggle__X3cKh:before{content:"";width:7px;height:7px;border-right:2px solid;border-bottom:2px solid;transform:rotate(-45deg);transition:transform .15s}.opening_toggle__X3cKh[aria-expanded=true]:before{transform:rotate(45deg) translate(-2px,-2px)}.opening_spacer__nZuOf{width:28px;flex-shrink:0}.opening_target__JNO_6{min-width:0;flex:1;border-radius:8px;padding:6px 8px 6px 0;text-align:left;outline:none}.opening_target__JNO_6:focus-visible,.opening_toggle__X3cKh:focus-visible{box-shadow:inset 0 0 0 2px #124429}.opening_label__VklGe{display:block;font-size:14px;line-height:1.375;font-weight:600;color:#1E1F1A}.opening_active__TLL2u .opening_label__VklGe{font-weight:700;color:#124429}.opening_treeMoves__MOcF6{display:block;margin-top:2px;font-size:13px;line-height:1.375;color:#55544B;font-variant-numeric:tabular-nums}.opening_kids__MR4hD{margin-left:13px;border-left:1px solid #e6e4da;padding-left:4px}