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::marker{color:var(--color-faint)}.marker\:text-faint::marker{color:var(--color-faint)}.marker\:text-faint ::-webkit-details-marker{color:var(--color-faint)}.marker\:text-faint::-webkit-details-marker{color:var(--color-faint)}@media (hover:hover){.hover\:border-brand-200:hover{border-color:var(--color-brand-200)}.hover\:text-brand-dark:hover{color:var(--color-brand-dark)}.hover\:text-ink:hover{color:var(--color-ink)}.hover\:underline:hover{text-decoration-line:underline}}.focus\:not-sr-only:focus{clip-path:none;white-space:normal;width:auto;height:auto;margin:0;padding:0;position:static;overflow:visible}.focus\:fixed:focus{position:fixed}.focus\:top-4:focus{top:calc(var(--spacing) * 4)}.focus\:left-4:focus{left:calc(var(--spacing) * 4)}.focus\:z-50:focus{z-index:50}.focus\:border-brand:focus{border-color:var(--color-brand)}.focus\:ring-4:focus{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(4px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.focus\:ring-brand-100:focus{--tw-ring-color:var(--color-brand-100)}.focus\:outline-none:focus{--tw-outline-style:none;outline-style:none}@media (width>=40rem){.sm\:col-span-3{grid-column:span 3/span 3}.sm\:mt-2{margin-top:calc(var(--spacing) * 2)}.sm\:mt-4{margin-top:calc(var(--spacing) * 4)}.sm\:block{display:block}.sm\:flex{display:flex}.sm\:hidden{display:none}.sm\:inline{display:inline}.sm\:inline-block{display:inline-block}.sm\:inline-flex{display:inline-flex}.sm\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.sm\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.sm\:flex-row{flex-direction:row}.sm\:flex-wrap{flex-wrap:wrap}.sm\:items-center{align-items:center}.sm\:justify-start{justify-content:flex-start}.sm\:gap-3{gap:calc(var(--spacing) * 3)}.sm\:p-6{padding:calc(var(--spacing) * 6)}.sm\:py-10{padding-block:calc(var(--spacing) * 10)}.sm\:pl-\[3\.5rem\]{padding-left:3.5rem}}@media (width>=48rem){.md\:-mx-9{margin-inline:calc(var(--spacing) * -9)}.md\:mx-8{margin-inline:calc(var(--spacing) * 8)}.md\:-mt-7{margin-top:calc(var(--spacing) * -7)}.md\:inline{display:inline}.md\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.md\:grid-cols-\[1\.5fr_1fr_1fr\]{grid-template-columns:1.5fr 1fr 1fr}.md\:grid-cols-\[1fr_auto\]{grid-template-columns:1fr auto}.md\:px-8{padding-inline:calc(var(--spacing) * 8)}.md\:px-9{padding-inline:calc(var(--spacing) * 9)}.md\:py-14{padding-block:calc(var(--spacing) * 14)}.md\:py-24{padding-block:calc(var(--spacing) * 24)}.md\:pt-20{padding-top:calc(var(--spacing) * 20)}.md\:pb-28{padding-bottom:calc(var(--spacing) * 28)}.md\:text-xl{font-size:var(--text-xl);line-height:var(--tw-leading,var(--text-xl--line-height))}.md\:text-\[2\.5rem\]{font-size:2.5rem}}@media (width>=64rem){.lg\:sticky{position:sticky}.lg\:top-24{top:calc(var(--spacing) * 24)}.lg\:mr-6{margin-right:calc(var(--spacing) * 6)}.lg\:block{display:block}.lg\:flex{display:flex}.lg\:hidden{display:none}.lg\:w-\[15\.5rem\]{width:15.5rem}.lg\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.lg\:grid-cols-\[1fr_1\.1fr\]{grid-template-columns:1fr 1.1fr}.lg\:grid-cols-\[1fr_1\.6fr\]{grid-template-columns:1fr 1.6fr}.lg\:grid-cols-\[13rem_1fr\]{grid-template-columns:13rem 1fr}.lg\:items-center{align-items:center}:where(.lg\:space-y-0\.5>:not(:last-child)){--tw-space-y-reverse:0;margin-block-start:calc(calc(var(--spacing) * .5) * var(--tw-space-y-reverse));margin-block-end:calc(calc(var(--spacing) * .5) * calc(1 - var(--tw-space-y-reverse)))}.lg\:px-0{padding-inline:0}.lg\:px-8{padding-inline:calc(var(--spacing) * 8)}.lg\:pl-6{padding-left:calc(var(--spacing) * 6)}.lg\:pl-9{padding-left:calc(var(--spacing) * 9)}}@media (width>=80rem){.xl\:hidden{display:none}.xl\:grid-cols-\[1fr_36rem\]{grid-template-columns:1fr 36rem}.xl\:gap-10{gap:calc(var(--spacing) * 10)}}.\[\&_path\]\:fill-current path{fill:currentColor}}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/build/assets/inter-cyrillic-ext-wght-normal-BOeWTOD4.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/build/assets/inter-cyrillic-wght-normal-DqGufNeO.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/build/assets/inter-greek-ext-wght-normal-DlzME5K_.woff2)format("woff2-variations");unicode-range:U+1F??}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/build/assets/inter-greek-wght-normal-CkhJZR-_.woff2)format("woff2-variations");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/build/assets/inter-vietnamese-wght-normal-CBcvBZtf.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/build/assets/inter-latin-ext-wght-normal-DO1Apj_S.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/build/assets/inter-latin-wght-normal-Dx4kXJAl.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Caveat;font-style:normal;font-display:swap;font-weight:600;src:url(/build/assets/caveat-latin-600-normal-zlTlWIYU.woff2)format("woff2"),url(/build/assets/caveat-latin-600-normal-DUjB8dgm.woff)format("woff")}@media print{.topbar,.sidebar,.rail,.tabs,.no-print,.site-footer,.timer-bar{display:none!important}.shell,.with-rail{display:block!important}.page{padding:0!important}body{font-size:11pt}.keyterms,.tip,.formula,.question,.paper-q{break-inside:avoid}a{color:inherit;text-decoration:none}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}