body.yer-on #sitting,body.yer-on #setup,body.yer-on #ya-exams,body.yer-on #exam-generating{display:none !important}body.yer-on .dash-main>.dash-content,body.yer-on.ya-shell .dash-main>main.dash-content:has(.yrd){margin:0 !important;padding:39px 48px 64px !important;max-width:none !important}body.yer-on .lp-wbtn,body.yer-on #xo-save{display:none !important}.yrd{--yrd-c:#5B8DEF;--yrd-ink:#1c1917;font-family:var(--ya-font,inherit);color:var(--yrd-ink)}.yrd a{color:inherit}.yrd button{font-family:inherit}.yrd-crumb{margin:0;font:700 13px/18px var(--ya-font);letter-spacing:.01em;color:#57534e}.yrd-crumb a{text-decoration:none}.yrd-crumb a:hover{text-decoration:underline}.yrd-h1r{display:flex;align-items:center;justify-content:space-between;gap:12px}.yrd-h1{margin:8px 0 0;font:800 42.5px/1.1 var(--ya-font-display,var(--ya-font));letter-spacing:-.05em}.yrd-up{display:none;align-items:center;gap:6px;padding:7px 14px;border:2px solid var(--yrd-ink);border-radius:99px;background:#fff;font:800 14px/1 var(--ya-font);text-decoration:none}.yrd-up svg{width:16px;height:16px}.yrd-sub{display:flex;align-items:center;gap:6px;margin:2px 0 0;font:500 15.25px/22px var(--ya-font);color:#6b6560}.yrd-sub i{width:8px;height:8px;border-radius:50%;background:var(--yrd-c);flex:none;margin-right:1px}.yrd-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;column-gap:24px;margin-top:27px;align-items:start;grid-template-areas:"hero opts" "lh lh" "paper stack"}.yrd-hero{grid-area:hero;align-self:stretch;position:relative;display:flex;align-items:center;gap:29px;padding:30px 30px 31px 31px;box-sizing:border-box;min-height:305px;background:#fff4d6;border:2px solid var(--yrd-ink);border-radius:26px;box-shadow:5px 5px 0 var(--yrd-ink)}.yrd-cover{position:relative;flex:none;width:172px;height:214px;box-sizing:border-box;overflow:hidden;background:#fffdf6;border:2.5px solid var(--yrd-ink);border-radius:14px;box-shadow:5px 6px 0 var(--yrd-ink);transform:rotate(-2.5deg)}.yrd-band{display:block;height:43px;background:var(--yrd-c);border-bottom:2px solid var(--yrd-ink)}.yrd-cover b{display:block;margin:20px 0 0 15px;font:800 14px/21px var(--ya-font);color:var(--yrd-ink)}.yrd-bars{display:block;margin:17px 0 0 15px}.yrd-bars i{display:block;height:5px;border-radius:4px;background:#efe0bf;margin-bottom:8px}.yrd-bars i:nth-child(1){width:134px}.yrd-bars i:nth-child(2){width:100px}.yrd-bars i:nth-child(3){width:125px}.yrd-bars i:nth-child(4){width:80px}.yrd-cover small{position:absolute;left:15px;bottom:17px;font:700 12.5px/1 var(--ya-font);color:#78716c}.yrd-hb{min-width:0;flex:1}.yrd-kick{margin:0;font:800 12px/16px var(--ya-font);letter-spacing:.1em;text-transform:uppercase;color:#c44915}.yrd-t{margin:6px 0 0;display:flex;align-items:center;gap:7px;flex-wrap:wrap;font:800 30px/38px var(--ya-font-display,var(--ya-font));letter-spacing:-.035em}.yrd-pillb{display:inline-block;padding:3px 9px;border-radius:99px;background:#ece5d2;color:#57534e;font:800 12.5px/16px var(--ya-font);letter-spacing:0}.yrd-subm{display:none;margin:0;font:800 13px/18px var(--ya-font);color:#78716c}.yrd-s{margin:6px 0 0;max-width:422px;font:500 15.2px/22.5px var(--ya-font);color:#44403c}.yrd-focus{margin:6px 0 0;font:500 14px/20px var(--ya-font);color:#44403c}.yrd-focus b{font-weight:800}.yrd-chips{display:flex;flex-wrap:wrap;gap:6px;margin:13px 0 0}.yrd-chips span{padding:3px 10px;border:1px solid #e9dfc4;border-radius:99px;background:#fff;font:800 12.5px/17px var(--ya-font)}.yrd-cc{display:none}.yrd-go{display:flex;align-items:center;gap:14px;margin-top:20px;flex-wrap:wrap}.yrd-start{display:inline-flex;align-items:center;justify-content:center;gap:12px;width:258px;height:49px;box-sizing:border-box;padding:0 14px;border:2px solid var(--yrd-ink);border-radius:14px;background:#f5a30a;color:var(--yrd-ink);font:800 15px/1 var(--ya-font);cursor:pointer}.yrd-start svg{width:15px;height:15px}.yrd-start:hover{background:#f7ae27}.yrd-un{border:0;background:none;padding:4px 2px;font:800 13.6px/1.2 var(--ya-font);color:var(--yrd-ink);text-decoration:underline;text-underline-offset:2px;cursor:pointer}.yrd-lumi{position:absolute;top:-6px;right:-7px;width:122px;height:auto;pointer-events:none}.yrd a:focus-visible,.yrd button:focus-visible{outline:3px solid #1c1917;outline-offset:2px}.yrd-opts-card,.yrd-card{box-sizing:border-box;background:#fffdf6;border:2px solid #eadfc8;border-radius:26px;padding:19px 24px 18px}.yrd-opts-card{grid-area:opts;align-self:stretch}.yrd-opts-card h2,.yrd-card h2{margin:0;font:700 18px/24px var(--ya-font);letter-spacing:-.02em}.yrd-opts-card h2{margin-bottom:4px}.yrd-opts-card ul{list-style:none;margin:0;padding:0}.yrd-opts-card li + li{border-top:1px solid #f1e3c3}.yrd-row{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;box-sizing:border-box;padding:12px 0;border:0;background:none;color:var(--yrd-ink);text-align:left;text-decoration:none;cursor:pointer}.yrd-opts-card li:first-child .yrd-row{padding-top:12px}.yrd-row b{display:block;font:700 16px/18px var(--ya-font);letter-spacing:-.01em}.yrd-row small{display:block;font:500 12.5px/16px var(--ya-font);color:#6b6560}.yrd-row svg{width:15px;height:15px;flex:none;margin-right:4px}.yrd-row:hover b{text-decoration:underline}.yrd-row:disabled{opacity:.7;cursor:default}.yrd-lh{grid-area:lh;display:flex;align-items:baseline;gap:14px;margin:45px 0 15px}.yrd-lh h2{margin:0;font:800 22px/28px var(--ya-font-display,var(--ya-font));letter-spacing:-.035em}.yrd-lc{font:500 13.5px/18px var(--ya-font);color:#6b6560}.yrd button.yrd-full{margin-left:auto;border:0;background:none;padding:0;font:800 13px/18px var(--ya-font);color:#c44915;cursor:pointer}.yrd button.yrd-full:hover{text-decoration:underline}.yrd-mo{display:none}.yrd-paper{grid-area:paper;box-sizing:border-box;background:#fff;border:2px solid var(--yrd-ink);border-radius:24px;box-shadow:5px 5px 0 var(--yrd-ink);padding:23px 34px 0;color:var(--yrd-ink)}.yrd-ph{display:flex;justify-content:space-between;margin:0;padding:0 0 6px;border-bottom:2px solid var(--yrd-ink);font:800 11.5px/16px var(--ya-font);letter-spacing:.01em}.yrd-ph b:first-child{color:var(--yrd-c)}.yrd-ph b:last-child{color:#57534e;font-weight:700}.yrd-q{display:grid;grid-template-columns:30px minmax(0,1fr) auto;padding:16px 0 16px;border-bottom:1px dashed #d8cdb8;font:400 15.5px/23.25px Georgia,'Times New Roman',serif}.yrd-q:nth-child(n+5){display:none}.yrd-paper.is-all .yrd-q:nth-child(n+5){display:grid}.yrd-qn{font-weight:700}.yrd-qm{margin-left:12px;font:400 12.5px/23px Georgia,serif;color:#6b6560}.yrd-stem,.yrd-pp{overflow-wrap:anywhere}.yrd-paper .katex{font-size:1em;--f:KaTeX_Main,'Times New Roman',serif}.yrd-paper .katex .mathnormal{--f:KaTeX_Math,'Times New Roman',serif}.yrd-ln{display:block;height:26px;border-bottom:1px dotted #9c8f78}.yrd-fig{margin:8px 0 4px;max-width:100%;min-width:0}.yrd-fig svg{display:block;max-width:100%;height:auto}.yrd-fig .exam-table-wrap{max-width:100%;overflow-x:auto}.yrd-part{display:grid;grid-template-columns:auto minmax(0,1fr);column-gap:10px;margin-top:4px}.yrd-part:not(.has-l){display:block}.yrd-pl{font-weight:700}.yrd-opts{display:flex;flex-wrap:wrap;gap:8px 22px;margin:6px 0 4px;font-size:15px}.yrd-opts>span{padding:2px 12px;border:1.5px solid #cfc6b0;border-radius:6px}.yrd-morep{margin:4px 0 0;font:400 13px/18px Georgia,serif;color:#78716c}.yrd-more{margin:0;padding:10px 0 12px;text-align:center;font:800 13px/24px var(--ya-font);color:#c44915}.yrd-paper.is-all .yrd-more{display:none}.yrd-paper.is-all{padding-bottom:14px}.yrd-paper.is-all .yrd-q:last-child{border-bottom:0}.yrd-paper:not(:has(.yrd-more)){padding-bottom:8px}.yrd-paper:not(:has(.yrd-more)) .yrd-q:last-child{border-bottom:0}.yrd-stack{grid-area:stack;display:flex;flex-direction:column;gap:20px}.yrd-rules{padding-bottom:21px}.yrd-rules ol{list-style:none;margin:0;padding:0}.yrd-rules li{display:flex;gap:12px;padding:10px 0 9px;border-top:1px solid #f1e3c3;font:700 15px/20px var(--ya-font);letter-spacing:-.02em}.yrd-rules li:first-child{border-top:0;padding-top:10px}.yrd-rules li b{flex:none;display:grid;place-items:center;width:30px;height:30px;box-sizing:border-box;border:2px solid var(--yrd-ink);border-radius:50%;font:800 14px/1 var(--ya-font)}.yrd-rules li span{padding-top:5px}.yrd-note{display:flex;align-items:center;gap:8px;padding:16px 22px 16px 16px}.yrd-note img{width:72px;height:auto;flex:none;margin-left:-2px}.yrd-note p{margin:0;font:500 15px/21px var(--ya-font)}@media (max-width:1279px){.yrd-grid{grid-template-columns:minmax(0,1fr) 300px}.yrd-hero{gap:24px;padding:26px 24px}}@media (max-width:1023px){body.yer-on .dash-main>.dash-content,body.yer-on.ya-shell .dash-main>main.dash-content:has(.yrd){padding:40px 18px 96px !important}body.yer-on #yumio-ask-launch,body.yer-on .dash-topbar,body.yer-on .ya-mtop,body.yer-on #yumio-header{display:none !important}.yrd-crumb,.yrd-sub{display:none}.yrd-h1{margin:0;font-size:30px;line-height:1.15}.yrd-h1r{min-height:34px}.yrd-up{display:inline-flex}.yrd-grid{grid-template-columns:minmax(0,1fr);margin-top:16px;grid-template-areas:"hero" "lh" "paper" "opts";row-gap:0}.yrd-hero{display:block;padding:18px 18px 14px;min-height:0;border-radius:24px}.yrd-hero::after{content:'';display:table;clear:both}.yrd-cover{float:left;width:96px;height:120px;border-radius:9px;border-width:2px;box-shadow:3px 4px 0 var(--yrd-ink);margin:0 12px 0 0}.yrd-band{height:24px;border-bottom-width:1.5px}.yrd-cover b{margin:11px 0 0 9px;font-size:7px;line-height:10px}.yrd-bars{display:none}.yrd-cover small{left:9px;bottom:8px;font-size:11px}.yrd-hb{display:block}.yrd-kick{font-size:11px;line-height:15px;margin-top:16px}.yrd-t{margin-top:8px;font-size:22px;line-height:26px}.yrd-pillb{display:none}.yrd-subm{display:block;margin-top:4px}.yrd-s{display:none}.yrd-focus{clear:both;margin-top:12px;font-size:13px}.yrd-chips{clear:both;margin-top:0;padding-top:10px}.yrd-cc{display:inline}.yrd-go{flex-direction:column;align-items:stretch;gap:10px;margin-top:16px;text-align:center}.yrd-start{width:100%;height:46px;font-size:15px}.yrd-un{align-self:center;padding:2px}.yrd-chips span{padding:3px 10px 3px;line-height:16px}.yrd-lumi{top:-6px;right:-3px;width:88px}.yrd-opts-card{margin-top:26px;border-radius:24px;padding:17px 18px 12px}.yrd-lh{margin:26px 0 9px}.yrd-lh h2{font-size:18px;line-height:24px}.yrd-lc{display:none}.yrd-dk{display:none}.yrd-mo{display:inline}.yrd-paper{padding:22px 18px 0;border-radius:22px}.yrd-q{grid-template-columns:26px minmax(0,1fr) auto}.yrd-q:nth-child(n+4){display:none}.yrd-paper.is-all .yrd-q:nth-child(n+4){display:grid}.yrd-stack{display:none}}@media (prefers-reduced-motion:no-preference){.yrd-start,.yrd-row b{transition:background-color .12s}}.yrd-allow{margin:12px 0 0;padding:10px 12px;border-radius:10px;background:#fde8b5;color:#0f172a;font:700 13px/1.4 var(--ya-font)}.yrd-allow[hidden]{display:none}.yrd-reference{margin:14px 0;padding:12px;border:1px solid #d8cdb8;border-radius:10px;overflow-x:auto}.yrd-reference summary{cursor:pointer;font-weight:700}.yrd-reference .formulae-grid{min-width:0}.yrd-jump{position:sticky;top:0;z-index:5;display:flex;gap:6px;flex-wrap:wrap;padding:8px 0;margin:8px 0;background:#fffdf6;border-bottom:1.5px dashed #d8d2c4}.yrd-jump button{font-weight:700;font-size:12px;border:1.5px solid #1c1917;border-radius:10px;background:#fff;padding:4px 9px;cursor:pointer;display:flex;gap:6px;align-items:baseline}.yrd-jump small{font-weight:500;color:#7a735f}