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var(--ds-color-hong-kong-55)}.ds-button:active{background-color:var(--ds-color-chicago-30)}.ds-button:disabled{background-color:var(--ds-color-london-95);color:var(--ds-color-london-35);cursor:not-allowed}.ds-button--inverse{background-color:var(--ds-color-london-100);color:var(--ds-color-london-5)}.ds-button--inverse:active,.ds-button--inverse:hover{background-color:hsla(var(--ds-color-hsl-london-100),.85)}.ds-button--inverse:disabled{background-color:hsla(var(--ds-color-hsl-london-100),.25);color:hsla(var(--ds-color-hsl-london-100),.5)}.ds-button--inverse.ds-button--secondary{border-color:var(--ds-color-london-100);color:var(--ds-color-london-100)}.ds-button--inverse.ds-button--secondary:hover{border-color:hsla(var(--ds-color-hsl-london-100),.75)}.ds-button--inverse.ds-button--secondary:focus{border-color:var(--ds-color-london-100)}.ds-button--inverse.ds-button--secondary:active{border-color:hsla(var(--ds-color-hsl-london-100),.75)}.ds-button--inverse.ds-button--secondary:disabled{border-color:hsla(var(--ds-color-hsl-london-100),.25);color:hsla(var(--ds-color-hsl-london-100),.5)}.ds-button--secondary{background-color:transparent;border:.125rem solid var(--ds-color-chicago-45);color:var(--ds-color-chicago-45);-webkit-transition:border-color var(--ds-interactions-transition);transition:border-color var(--ds-interactions-transition);will-change:border-color}.ds-button--secondary:hover{background-color:transparent;border-color:var(--ds-color-chicago-30)}.ds-button--secondary:focus{outline:solid transparent}.ds-button--secondary:active,.ds-button--secondary:focus{background-color:transparent;-webkit-box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55)}.ds-button--secondary:active{border-color:var(--ds-color-chicago-30)}.ds-button--secondary:disabled{background-color:transparent;border-color:var(--ds-color-london-95);color:var(--ds-color-london-35);cursor:not-allowed}.ds-button--icon{justify-content:center;padding-left:.375rem;padding-right:.375rem;width:2.5rem}.ds-button--icon::-moz-focus-inner{border:0}.ds-button--icon svg{fill:var(--ds-color-london-100)}.ds-button--icon:disabled{-webkit-box-shadow:none;box-shadow:none}.ds-button--icon:disabled svg{fill:var(--ds-color-london-35)}.ds-button--icon.ds-button--secondary svg{fill:var(--ds-color-chicago-45)}.ds-button--icon.ds-button--secondary:disabled svg{fill:var(--ds-color-london-35)}.ds-button--icon.ds-button--inverse svg{fill:var(--ds-color-london-5)}.ds-button--icon.ds-button--inverse:disabled svg{fill:hsla(var(--ds-color-hsl-london-100),.5)}.ds-button--icon.ds-button--inverse.ds-button--secondary svg{fill:var(--ds-color-london-100)}.ds-button--icon.ds-button--inverse.ds-button--secondary:disabled svg{fill:hsla(var(--ds-color-hsl-london-100),.5)}.ds-call-to-action{background:var(--ds-color-chicago-30);border:.0625rem solid transparent;border-radius:1rem;-webkit-box-sizing:border-box;box-sizing:border-box;color:var(--ds-color-london-100);display:inline-flex;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-0);-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;font-weight:500;height:2rem;line-height:var(--ds-type-leading-lower);margin:0;padding:.25rem var(--ds-grid-gap);text-decoration:none;-webkit-transition:background var(--ds-interactions-transition),color var(--ds-interactions-transition);transition:background var(--ds-interactions-transition),color var(--ds-interactions-transition);will-change:color}.ds-call-to-action:hover{background:var(--ds-color-chicago-20)}.ds-call-to-action:focus{-webkit-box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);outline:solid transparent}.ds-call-to-action:active{background:var(--ds-color-chicago-20);border-color:var(--ds-color-hong-kong-55);-webkit-box-shadow:none;box-shadow:none}.ds-call-to-action--inverse{background-color:var(--ds-color-london-100);color:var(--ds-color-london-5);-moz-osx-font-smoothing:auto;-webkit-font-smoothing:auto}.ds-call-to-action--inverse:active,.ds-call-to-action--inverse:hover{background-color:hsla(var(--ds-color-hsl-london-100),.85)}.ds-call-to-action--inverse:active{border-color:var(--ds-color-hong-kong-55)}.ds-call-to-action--inverse.ds-call-to-action--secondary{border-color:var(--ds-color-london-100);color:var(--ds-color-london-100)}.ds-call-to-action--inverse.ds-call-to-action--secondary:hover{border-color:hsla(var(--ds-color-hsl-london-100),.85);color:hsla(var(--ds-color-hsl-london-100),.85)}.ds-call-to-action--inverse.ds-call-to-action--secondary:focus{background:transparent;color:var(--ds-color-london-100)}.ds-call-to-action--inverse.ds-call-to-action--secondary:active{border-color:var(--ds-color-hong-kong-55);color:hsla(var(--ds-color-hsl-london-100),.85)}.ds-call-to-action--secondary{background:transparent;border-color:var(--ds-color-chicago-45);color:var(--ds-color-chicago-45);-moz-osx-font-smoothing:auto;-webkit-font-smoothing:auto}.ds-call-to-action--secondary:hover{background:transparent;border-color:var(--ds-color-chicago-30);color:var(--ds-color-chicago-30)}.ds-call-to-action--secondary:focus{border-color:transparent;color:var(--ds-color-chicago-30)}.ds-call-to-action--secondary:active{background-color:transparent;border-color:var(--ds-color-hong-kong-55)}.ds-call-to-action-with-arrow{align-items:center;background:var(--ds-color-chicago-30);border:.125rem solid transparent;border-radius:1.25rem;-webkit-box-sizing:border-box;box-sizing:border-box;display:inline-flex;font-size:var(--ds-type-scale-0);-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;font-weight:500;line-height:var(--ds-type-leading-border-link);margin:0;min-height:2.5rem;padding:.25rem calc(var(--ds-grid-gutter) - .25rem) .25rem var(--ds-grid-gutter);text-decoration:none;-webkit-transition:background var(--ds-interactions-transition),color var(--ds-interactions-transition);transition:background var(--ds-interactions-transition),color var(--ds-interactions-transition);will-change:color}.ds-call-to-action-with-arrow,.ds-call-to-action-with-arrow:after{color:var(--ds-color-london-100);font-family:var(--ds-type-system-sans)}.ds-call-to-action-with-arrow:after{content:"\2192";margin:0 0 0 .375rem}.ds-call-to-action-with-arrow:hover{background:var(--ds-color-chicago-20)}.ds-call-to-action-with-arrow:focus{-webkit-box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);outline:solid transparent}.ds-call-to-action-with-arrow:active{background:var(--ds-color-chicago-20);border-color:var(--ds-color-hong-kong-55);-webkit-box-shadow:none;box-shadow:none}.ds-call-to-action-with-arrow--inverse{background-color:var(--ds-color-london-100);color:var(--ds-color-london-5);-moz-osx-font-smoothing:auto;-webkit-font-smoothing:auto}.ds-call-to-action-with-arrow--inverse:after{color:var(--ds-color-london-5)}.ds-call-to-action-with-arrow--inverse:hover{background-color:hsla(var(--ds-color-hsl-london-100),.85)}.ds-call-to-action-with-arrow--inverse:focus{background-color:var(--ds-color-london-100);border-color:transparent}.ds-call-to-action-with-arrow--inverse:active{background-color:hsla(var(--ds-color-hsl-london-100),.85);border-color:var(--ds-color-hong-kong-55)}.ds-call-to-action-with-arrow--inverse.ds-call-to-action-with-arrow--secondary{border-color:var(--ds-color-london-100);color:var(--ds-color-london-100)}.ds-call-to-action-with-arrow--inverse.ds-call-to-action-with-arrow--secondary:after{color:var(--ds-color-london-100)}.ds-call-to-action-with-arrow--inverse.ds-call-to-action-with-arrow--secondary:hover{border-color:hsla(var(--ds-color-hsl-london-100),.85);color:hsla(var(--ds-color-hsl-london-100),.85)}.ds-call-to-action-with-arrow--inverse.ds-call-to-action-with-arrow--secondary:hover:after{color:hsla(var(--ds-color-hsl-london-100),.85)}.ds-call-to-action-with-arrow--inverse.ds-call-to-action-with-arrow--secondary:focus{background:transparent;color:var(--ds-color-london-100)}.ds-call-to-action-with-arrow--inverse.ds-call-to-action-with-arrow--secondary:focus:after{color:var(--ds-color-london-100)}.ds-call-to-action-with-arrow--inverse.ds-call-to-action-with-arrow--secondary:active{border-color:var(--ds-color-hong-kong-55);color:hsla(var(--ds-color-hsl-london-100),.85)}.ds-call-to-action-with-arrow--inverse.ds-call-to-action-with-arrow--secondary:active:after{color:hsla(var(--ds-color-hsl-london-100),.85)}.ds-call-to-action-with-arrow--secondary{background:transparent;border-color:var(--ds-color-chicago-45);color:var(--ds-color-chicago-45);-moz-osx-font-smoothing:auto;-webkit-font-smoothing:auto}.ds-call-to-action-with-arrow--secondary:after{color:var(--ds-color-chicago-45)}.ds-call-to-action-with-arrow--secondary:hover{background:transparent;border-color:var(--ds-color-chicago-30);color:var(--ds-color-chicago-30)}.ds-call-to-action-with-arrow--secondary:hover:after{color:var(--ds-color-chicago-30)}.ds-call-to-action-with-arrow--secondary:focus{border-color:transparent;color:var(--ds-color-chicago-30)}.ds-call-to-action-with-arrow--secondary:focus:after{color:var(--ds-color-chicago-30)}.ds-call-to-action-with-arrow--secondary:active{background:transparent;border-color:var(--ds-color-hong-kong-55)}.ds-section-headline{color:var(--ds-color-london-5);display:block;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-1);font-weight:700;line-height:var(--ds-type-leading-lower)}.ds-section-headline.ds-section-headline--inverse{color:var(--ds-color-london-100)}.ds-section-headline--heavy{font-size:var(--ds-type-scale-3);font-weight:800;line-height:var(--ds-type-leading-upper)}.ds-section-headline--rule-accent:before,.ds-section-headline--rule-emphasised:before,.ds-section-headline--rule-heavy:before{content:"";display:block;margin:0 0 1ex;position:relative}.ds-section-headline--rule-accent:before{background-color:var(--ds-color-economist-red);height:.25rem;width:1.875rem}.ds-section-headline--rule-accent.ds-section-headline--inverse:before{background-color:var(--ds-color-london-100)}.ds-section-headline--rule-emphasised:before{background-color:var(--ds-color-london-5);height:.0625rem;position:relative}.ds-section-headline--rule-heavy:before{background-color:var(--ds-color-london-5);height:.25rem}.ds-section-subheadline{color:var(--ds-color-london-5);display:inline-block;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-1);font-weight:400;line-height:var(--ds-type-leading-lower)}.ds-section-subheadline.ds-section-subheadline--inverse{color:var(--ds-color-london-100)}.ds-section-headline--rule-accent .ds-section-subheadline{display:block}.ds-section-subheadline--heavy{font-size:var(--ds-type-scale-3);line-height:var(--ds-type-leading-upper)}.ds-section-headline-link{border-bottom:.125rem solid transparent;color:var(--ds-color-london-5);text-decoration:none;-webkit-transition:color var(--ds-interactions-transition),border-color var(--ds-interactions-transition);transition:color var(--ds-interactions-transition),border-color var(--ds-interactions-transition)}.ds-section-headline-link:hover{border-bottom-color:var(--ds-color-chicago-30);color:var(--ds-color-chicago-30)}.ds-section-headline-link:focus{border-bottom-color:transparent;-webkit-box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);outline:solid transparent}.ds-section-headline-link:active{-webkit-box-shadow:none;box-shadow:none;color:var(--ds-color-chicago-45)}.ds-section-headline-link.ds-section-headline-link--inverse{color:var(--ds-color-london-100)}.ds-section-headline-link.ds-section-headline-link--inverse:hover{border-bottom-color:var(--ds-color-london-85);color:var(--ds-color-london-85)}.ds-section-headline-link.ds-section-headline-link--inverse:active{border-bottom-color:var(--ds-color-hong-kong-55);color:var(--ds-color-london-100)}.ds-link-with-arrow{align-items:flex-start;display:inline-flex;flex-wrap:nowrap;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-1);font-style:normal;font-weight:500;line-height:var(--ds-type-leading-border-link);text-decoration:none}.ds-link-with-arrow span{border-bottom:.125rem solid transparent;color:var(--ds-color-london-5);-webkit-transition:border-color var(--ds-interactions-transition),color var(--ds-interactions-transition);transition:border-color var(--ds-interactions-transition),color var(--ds-interactions-transition);will-change:border-color,color}.ds-link-with-arrow:hover span{border-bottom-color:var(--ds-color-chicago-45);color:var(--ds-color-chicago-30)}.ds-link-with-arrow:focus{outline:solid transparent}.ds-link-with-arrow:focus span{border-bottom-color:transparent;-webkit-box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55)}.ds-link-with-arrow:active span{border-bottom-color:var(--ds-color-hong-kong-55);-webkit-box-shadow:none;box-shadow:none;color:var(--ds-color-london-5)}.ds-link-with-arrow:before{color:var(--ds-color-london-5);content:"\2192";font-family:var(--ds-type-system-sans);margin:0 .5rem 0 0}.ds-link-with-arrow--minor{font-size:var(--ds-type-scale-0)}.ds-link-with-arrow--minor span{border-bottom-width:.0625rem}.ds-link-with-arrow--minor:focus span{-webkit-box-shadow:0 0 0 .0625rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .0625rem var(--ds-color-hong-kong-55)}.ds-link-with-arrow--minor:active span{-webkit-box-shadow:none;box-shadow:none}.ds-link-with-arrow--serif{font-family:var(--ds-type-system-serif)}.ds-link-with-arrow--selected{font-weight:700}.ds-link-with-arrow--selected:before{color:var(--ds-color-economist-red)}.ds-link-with-arrow--left:before{-webkit-transform:rotate(180deg);transform:rotate(180deg)}:root{--ds-border-rule:0.0625rem solid var(--ds-color-london-85);--ds-border-rule--emphasised:0.0625rem solid var(--ds-color-london-5);--ds-border-rule--inverse:0.0625rem solid var(--ds-color-london-35);--ds-border-rule--inverse-emphasised:0.0625rem solid var(--ds-color-london-100);--ds-border-rule--heavy:0.25rem solid var(--ds-color-london-5);--ds-border-rule--inverse-heavy:0.25rem solid var(--ds-color-london-100);--ds-border-rule--accent:0.25rem solid var(--ds-color-economist-red);--ds-border-rule--inverse-accent:0.25rem solid var(--ds-color-london-100)}.ds-rule{background:var(--ds-color-london-85);border:0;height:.0625rem;margin:0;width:100%}.ds-rule--inverse{background:var(--ds-color-london-35)}.ds-rule--emphasised{background:var(--ds-color-london-5)}.ds-rule--emphasised.ds-rule--inverse{background:var(--ds-color-london-100)}.ds-rule--heavy{background:var(--ds-color-london-5);height:.25rem}.ds-rule--heavy.ds-rule--inverse{background:var(--ds-color-london-100)}.ds-rule--accent{background:var(--ds-color-economist-red);height:.25rem;width:1.875rem}.ds-rule--accent.ds-rule--inverse{background:var(--ds-color-london-100)}.ds-chapter-list .ds-section-headline{display:flex;flex-direction:column;margin:0 0 .5rem 1.3125rem}.ds-chapter-list__item{border-top:var(--ds-border-rule);margin:0;padding:.625rem 0 .5rem}.ds-chapter-list__item .ds-link-with-arrow{max-width:31rem}.ds-card{background:var(--ds-color-london-100);border:.0625rem solid var(--ds-color-los-angeles-85);border-radius:.25rem;display:flex;flex-flow:column nowrap;max-width:100%;overflow:hidden}.ds-card-image{display:block;max-width:100%;width:100%}.ds-card-headline{color:var(--ds-color-london-5);font-family:var(--ds-type-system-serif);font-size:var(--ds-type-scale-3);font-weight:500;line-height:var(--ds-type-leading-upper)}.ds-card-subheadline{color:var(--ds-color-london-35);font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale--3);font-weight:400;letter-spacing:.04em;line-height:var(--ds-type-leading-lower);text-transform:uppercase}.ds-card-subheadline__tagline{color:var(--ds-color-economist-red);font-weight:500}.ds-card-description{color:var(--ds-color-london-10);font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-0);font-weight:300;line-height:var(--ds-type-leading-lower);margin-top:.25rem}.ds-card-action{padding-top:1.25rem}.ds-card-description+.ds-card-action{margin-top:auto}@media (min-width:60rem){.ds-card-description+.ds-card-action{padding-top:1.25rem}}.ds-card-content{display:flex;flex-direction:column;height:100%;padding:.75rem var(--ds-grid-gap) 1rem var(--ds-grid-gap)}@media (min-width:37.5rem){.ds-card-content{padding-left:1rem;padding-right:1rem}}.ds-card-link{align-self:start;color:var(--ds-color-london-10);font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-0);font-weight:300;line-height:var(--ds-type-leading-lower);margin-top:.25rem;outline:solid transparent}.ds-card-link:focus{background-color:var(--ds-color-chicago-95)}.ds-card-link:hover{background-color:transparent;color:var(--ds-color-chicago-30);text-decoration:none}.ds-card-link:active{background-color:var(--ds-color-chicago-95);text-decoration:none}.ds-control-check__icon{background-image:url(https://cdn.design-system.economist.com/assets/5.87.0/common/static/images/icons/controls-plus.svg);cursor:pointer;display:inline-block;height:28px;width:28px}.ds-control-check__icon.ds-control-check__icon--complete{background-image:url(https://cdn.design-system.economist.com/assets/5.87.0/common/static/images/icons/controls-check.svg);cursor:auto}.ds-control-check__label-text{clip:rect(1px,1px,1px,1px);-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}.ds-control-check input{-webkit-appearance:none;-moz-appearance:none;appearance:none;-webkit-box-sizing:content-box;box-sizing:content-box;cursor:pointer;height:1.25rem;margin:0;min-width:1.25rem;opacity:0;position:absolute;width:1.25rem}.ds-control-check input:checked+.ds-control-check__icon{background-image:url(https://cdn.design-system.economist.com/assets/5.87.0/common/static/images/icons/controls-cross.svg)}.ds-control-check input:checked+.ds-control-check__icon:after{opacity:1}.ds-control-check input:focus+.ds-control-check__icon{-webkit-box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);outline:solid transparent}.ds-control-collapse{align-items:center;-moz-appearance:none;-webkit-appearance:none;appearance:none;background-color:transparent;border:none;-webkit-box-shadow:none;box-shadow:none;-webkit-box-sizing:border-box;box-sizing:border-box;cursor:pointer;display:inline-flex;height:2rem;justify-content:center;padding:.4375em;-webkit-transition:background-color var(--ds-interactions-transition);transition:background-color var(--ds-interactions-transition);width:2rem;will-change:background-color}.ds-control-collapse svg{width:1.5rem}.ds-control-collapse .path-background{fill:var(--ds-color-london-20)}.ds-control-collapse .path-background--disabled{fill:var(--ds-color-london-70)}.ds-control-collapse:hover{background-color:var(--ds-color-london-85)}.ds-control-collapse:focus{outline:solid transparent}.ds-control-collapse:active,.ds-control-collapse:focus{-webkit-box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55)}.ds-control-collapse:active{background-color:var(--ds-color-london-85)}.ds-control-collapse:disabled{background-color:transparent;-webkit-box-shadow:none;box-shadow:none;cursor:not-allowed}.ds-control-collapse--disc{background-color:var(--ds-color-london-100);border:.0625rem solid var(--ds-color-london-20);border-radius:50%;padding:0;will-change:border-color,background-color}.ds-control-collapse--disc svg{width:1.25rem}.ds-control-collapse--disc .path-background--disabled{fill:var(--ds-color-london-70)}.ds-control-collapse--disc:hover{background-color:var(--ds-color-london-85)}.ds-control-collapse--disc:focus{border-color:transparent}.ds-control-collapse--disc:active{background-color:var(--ds-color-london-85);border-color:transparent}.ds-control-collapse--disc:disabled{background-color:var(--ds-color-london-95);border-color:var(--ds-color-london-95)}.ds-control-expand{align-items:center;-moz-appearance:none;-webkit-appearance:none;appearance:none;background-color:transparent;border:none;-webkit-box-shadow:none;box-shadow:none;-webkit-box-sizing:border-box;box-sizing:border-box;cursor:pointer;display:inline-flex;height:2rem;justify-content:center;padding:.4375em;-webkit-transition:background-color var(--ds-interactions-transition);transition:background-color var(--ds-interactions-transition);width:2rem;will-change:background-color}.ds-control-expand svg{width:1.5rem}.ds-control-expand .path-background{fill:var(--ds-color-london-20)}.ds-control-expand .path-background--disabled{fill:var(--ds-color-london-70)}.ds-control-expand:hover{background-color:var(--ds-color-london-85)}.ds-control-expand:focus{outline:solid transparent}.ds-control-expand:active,.ds-control-expand:focus{-webkit-box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55)}.ds-control-expand:active{background-color:var(--ds-color-london-85)}.ds-control-expand:disabled{background-color:transparent;-webkit-box-shadow:none;box-shadow:none;cursor:not-allowed}.ds-control-expand--disc{background-color:var(--ds-color-london-20);border-radius:50%;padding:.5em}.ds-control-expand--disc svg{width:1.25rem}.ds-control-expand--disc .path-background{fill:var(--ds-color-london-100)}.ds-control-expand--disc .path-background--disabled{fill:var(--ds-color-london-70)}.ds-control-expand--disc:hover{background-color:var(--ds-color-london-5)}.ds-control-expand--disc:focus{background-color:var(--ds-color-london-20)}.ds-control-expand--disc:active{background-color:var(--ds-color-london-5)}.ds-control-expand--disc:disabled{background-color:var(--ds-color-london-95)}.ds-control-label{align-items:center;background-color:var(--ds-color-london-20);-webkit-box-sizing:border-box;box-sizing:border-box;color:var(--ds-color-london-100);display:inline-flex;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale--1);font-weight:500;height:1.5rem;line-height:var(--ds-type-leading-lower);padding:0 .5rem}.ds-control-label--inverse{background-color:var(--ds-color-london-100);color:var(--ds-color-london-20)}.ds-emphasised-link{align-items:center;border:var(--ds-border-rule);border-radius:.25rem;-webkit-box-sizing:border-box;box-sizing:border-box;display:inline-flex;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-0);font-weight:500;height:2rem;line-height:var(--ds-type-leading-border-link);padding:.25rem calc(var(--ds-grid-gap) - .25rem) .25rem var(--ds-grid-gap);text-decoration:none}.ds-emphasised-link:after{color:var(--ds-color-chicago-45);content:"\2192";font-family:var(--ds-type-system-sans);margin:0 0 0 .375rem}.ds-emphasised-link span{border-bottom:.0625rem solid transparent;color:var(--ds-color-chicago-45);margin:.0625rem 0 0;-webkit-transition:border-color var(--ds-interactions-transition),color var(--ds-interactions-transition);transition:border-color var(--ds-interactions-transition),color var(--ds-interactions-transition);will-change:border-color,color}.ds-emphasised-link:hover:after,.ds-emphasised-link:hover span{color:var(--ds-color-chicago-30)}.ds-emphasised-link:hover span{border-bottom-color:var(--ds-color-chicago-30)}.ds-emphasised-link:focus{border-color:transparent;-webkit-box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);outline:solid transparent}.ds-emphasised-link:focus span{color:var(--ds-color-chicago-45)}.ds-emphasised-link:active{border-color:var(--ds-color-hong-kong-55);-webkit-box-shadow:none;box-shadow:none}.ds-emphasised-link:active:after,.ds-emphasised-link:active span{color:var(--ds-color-chicago-45)}.ds-emphasised-link:active span{border-bottom-color:transparent}.ds-emphasised-link--secondary{border:.0625rem solid var(--ds-color-london-20)}.ds-emphasised-link--secondary:after,.ds-emphasised-link--secondary:hover:after,.ds-emphasised-link--secondary span{color:var(--ds-color-london-5)}.ds-emphasised-link--secondary:hover span{border-bottom-color:var(--ds-color-london-5);color:var(--ds-color-london-5)}.ds-emphasised-link--secondary:active:after,.ds-emphasised-link--secondary:active span,.ds-emphasised-link--secondary:focus span{color:var(--ds-color-london-5)}.ds-emphasised-link--inverse{border:var(--ds-border-rule--inverse-emphasised)}.ds-emphasised-link--inverse:after,.ds-emphasised-link--inverse span{color:var(--ds-color-london-100)}.ds-emphasised-link--inverse:hover:after{color:var(--ds-color-london-85)}.ds-emphasised-link--inverse:hover span{border-bottom-color:var(--ds-color-london-85);color:var(--ds-color-london-85)}.ds-emphasised-link--inverse:active:after,.ds-emphasised-link--inverse:active span,.ds-emphasised-link--inverse:focus span{color:var(--ds-color-london-100)}.ds-navigation-link{align-items:center;display:inline-flex;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-1);font-weight:400;line-height:var(--ds-type-leading-border-link);text-decoration:none}.ds-navigation-link span{border-bottom:.125rem solid transparent;color:var(--ds-color-london-5);-webkit-transition:all var(--ds-interactions-transition);transition:all var(--ds-interactions-transition);will-change:border-color,color}.ds-navigation-link:hover span{border-bottom-color:var(--ds-color-chicago-30);color:var(--ds-color-chicago-30)}.ds-navigation-link:focus{outline:solid transparent}.ds-navigation-link:focus span{-webkit-box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55)}.ds-navigation-link:active span{border-bottom-color:var(--ds-color-hong-kong-55);-webkit-box-shadow:none;box-shadow:none;color:var(--ds-color-london-5)}.ds-navigation-link.is-selected{font-weight:700}.ds-navigation-link br{flex:0 1}.ds-navigation-link--selected{font-weight:700}.ds-navigation-link--inverse span{color:var(--ds-color-london-100)}.ds-navigation-link--inverse:hover span{border-bottom-color:var(--ds-color-london-85);color:var(--ds-color-london-85)}.ds-navigation-link--inverse:active span{border-bottom-color:var(--ds-color-hong-kong-55);color:var(--ds-color-london-100)}.ds-navigation-link--inverse.ds-navigation-link--secondary{font-size:var(--ds-type-scale-0)}.ds-navigation-link--inverse.ds-navigation-link--secondary span{border-bottom-width:.0625rem;color:var(--ds-color-london-85)}.ds-navigation-link--inverse.ds-navigation-link--secondary:hover span{border-bottom-color:var(--ds-color-london-95);color:var(--ds-color-london-95)}.ds-navigation-link--inverse.ds-navigation-link--secondary:focus span{-webkit-box-shadow:0 0 0 .0625rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .0625rem var(--ds-color-hong-kong-55)}.ds-navigation-link--inverse.ds-navigation-link--secondary:active span{border-bottom-color:var(--ds-color-hong-kong-55);-webkit-box-shadow:none;box-shadow:none;color:var(--ds-color-london-85)}.ds-navigation-link--inverse.ds-navigation-link--secondary.ds-navigation-link--major{font-weight:700}.ds-navigation-link--inverse.ds-navigation-link--secondary.ds-navigation-link--major span{color:var(--ds-color-london-100)}.ds-navigation-link--inverse.ds-navigation-link--secondary.ds-navigation-link--major:hover{color:var(--ds-color-london-85)}.ds-navigation-link--inverse.ds-navigation-link--secondary.ds-navigation-link--major:hover span{border-bottom-color:var(--ds-color-london-85)}.ds-navigation-link--inverse.ds-navigation-link--secondary.ds-navigation-link--major:active{color:var(--ds-color-london-100)}.ds-navigation-link--inverse.ds-navigation-link--secondary.ds-navigation-link--major:active span{border-bottom-color:var(--ds-color-hong-kong-55)}.ds-navigation-link--inverse.ds-navigation-link--minor{font-size:var(--ds-type-scale--1)}.ds-navigation-link--inverse.ds-navigation-link--minor span{color:var(--ds-color-london-70)}.ds-navigation-link--inverse.ds-navigation-link--minor:hover span{border-bottom-color:var(--ds-color-london-85);color:var(--ds-color-london-85)}.ds-navigation-link--inverse.ds-navigation-link--minor:active span{border-bottom-color:var(--ds-color-hong-kong-55);color:var(--ds-color-london-70)}.ds-navigation-link--icon span{margin:.125rem 0 0}.ds-navigation-link--icon:before{background-position:50%;background-repeat:no-repeat;background-size:cover;content:"";height:1.5rem;margin:0 .5rem 0 0;width:1.5rem}.ds-navigation-link--icon.ds-navigation-link--icon-account:before{background-image:url(https://cdn.design-system.economist.com/assets/5.87.0/common/static/images/icons/material-account.svg)}.ds-navigation-link--icon.ds-navigation-link--icon-search:before{background-image:url(https://cdn.design-system.economist.com/assets/5.87.0/common/static/images/icons/material-search.svg)}.ds-navigation-link--icon.ds-navigation-link--icon-search.ds-navigation-link--inverse:before{background-image:url(https://cdn.design-system.economist.com/assets/5.87.0/common/static/images/icons/material-search--inverse.svg)}.ds-navigation-link--icon.ds-navigation-link--secondary:before{height:1.25rem;margin-right:.375rem;width:1.25rem}.ds-navigation-link--icon.ds-navigation-link--minor:before{height:1rem;margin-right:.375rem;width:1rem}.ds-footer{background-color:var(--ds-color-london-20);color:var(--ds-color-london-100);padding:2rem var(--ds-grid-gap) .3125rem;padding-bottom:2.5rem;-webkit-text-size-adjust:100%}.ds-footer-cols-alpha{margin:0 auto 1.5rem}.ds-footer-cols-alpha,.ds-footer-cols-alpha__lead{border-bottom:var(--ds-border-rule--inverse);padding:0 0 .625rem}.ds-footer-cols-alpha__lead{margin:0 0 1.5rem}.ds-footer-cols-alpha__lead .ds-navigation-link{display:inline-block;margin:0 0 1.375rem}.ds-footer-cols-lambda{align-items:start;border-bottom:var(--ds-border-rule--inverse);margin:0 auto 1rem}.ds-footer-cols-lambda__group .ds-navigation-link{display:inline-block;margin:0 0 .6875rem}.ds-footer-cols-omega{display:flex;flex-direction:column;margin:0 auto;max-width:89.5rem}.ds-footer-cols-omega ul{display:flex;flex-wrap:wrap}.ds-footer-cols-omega .ds-navigation-link{margin:0 var(--ds-grid-gap) .6875rem 0}.ds-footer-cols-lambda .ds-footer__link-list{padding:0 0 1.375rem}.ds-footer-cols-share .ds-footer__link-list{display:flex;flex-wrap:wrap;margin:0 0 .75rem}.ds-footer-cols-share .ds-footer__link-list li{margin:0 .75rem .75rem 0}.ds-footer__header{color:var(--ds-color-london-100);font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-0);font-weight:700;line-height:var(--ds-type-leading-lower);margin:0 0 1.25rem}.ds-footer__copyright{color:var(--ds-color-london-70);font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale--1);margin:0 0 .6875rem}.ds-footer__copyright,.ds-footer__mission-statement{display:block;font-weight:400;line-height:var(--ds-type-leading-lower)}.ds-footer__mission-statement{font-family:var(--ds-type-system-serif);font-size:var(--ds-type-scale-2);margin:0 0 1rem;max-width:37.5rem}.ds-footer__mission-statement em{font-style:italic}@media (min-width:22.5rem){.ds-footer-cols-alpha__lead .ds-footer__link-list{-webkit-column-count:2;column-count:2;-moz-column-gap:var(--ds-grid-gutter);grid-column-gap:var(--ds-grid-gutter);-webkit-column-gap:var(--ds-grid-gutter);column-gap:var(--ds-grid-gutter)}}@media (min-width:28.75rem) and (max-width:37.4375rem){.ds-layout-grid.ds-footer-cols-lambda{grid-template-columns:1fr 1fr}}@media (min-width:37.5rem){.ds-footer{padding-left:var(--ds-grid-gutter);padding-right:var(--ds-grid-gutter)}.ds-footer-cols-lambda__group{grid-column:span 2}.ds-footer-cols-lambda__group:last-child{display:grid;grid-column:span 4}.ds-footer-cols-lambda__group:last-child ul{-webkit-column-count:2;column-count:2;-moz-column-gap:var(--ds-grid-gutter);grid-column-gap:var(--ds-grid-gutter);-webkit-column-gap:var(--ds-grid-gutter);column-gap:var(--ds-grid-gutter)}.ds-footer-cols-alpha__lead .ds-footer__link-list{-webkit-column-count:3;column-count:3;grid-column:span 4}.ds-footer-cols-alpha__lead,.ds-footer-cols-share,.ds-footer__mission-statement{grid-column:1/-1}}@media (min-width:60rem){.ds-footer-cols-alpha{padding-bottom:.625rem}.ds-footer-cols-alpha__lead{border:0;grid-column:span 3;margin-bottom:0;padding-bottom:0}.ds-footer-cols-omega{flex-direction:row}.ds-footer-cols-lambda__group{grid-column:span 3}.ds-footer-cols-lambda__group:last-child{grid-column:span 9}.ds-footer-cols-lambda__group:last-child ul{-webkit-column-count:3;column-count:3}.ds-footer-cols-share{grid-column:span 3}.ds-footer-cols-alpha__lead .ds-footer__link-list{-webkit-column-count:1;column-count:1}.ds-footer-cols-share .ds-footer__link-list{width:9rem}.ds-footer__copyright{margin-left:auto}.ds-footer__mission-statement{font-size:var(--ds-type-scale-4);grid-column:span 6;max-width:40rem}}@media (min-width:80rem){.ds-footer-cols-alpha__lead,.ds-footer-cols-lambda__group,.ds-footer-cols-share{grid-column:span 2}.ds-footer-cols-lambda__group:last-child,.ds-footer__mission-statement{grid-column:span 6}.ds-footer__copyright{flex:1 0 auto}}.ds-share-link{color:var(--ds-color-london-85);cursor:pointer;display:block;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-0);font-weight:400;height:2rem;line-height:var(--ds-type-leading-lower);text-decoration:none;width:2rem}.ds-share-link .path-background{fill:var(--ds-color-london-20);-webkit-transition:fill-opacity var(--ds-interactions-transition);transition:fill-opacity var(--ds-interactions-transition);will-change:fill-opacity}.ds-share-link:hover .path-background{fill:var(--ds-color-london-5)}.ds-share-link:focus{outline:solid transparent}.ds-share-link:active .path-background,.ds-share-link:focus .path-background{stroke:var(--ds-color-hong-kong-55);stroke-width:2}.ds-share-link:active .path-background{fill:var(--ds-color-london-5)}.ds-share-link.ds-share-link--inverse .path-background{fill:var(--ds-color-london-100)}.ds-share-link.ds-share-link--inverse .path-foreground{fill:var(--ds-color-london-20)}.ds-share-link.ds-share-link--inverse:hover .path-background{fill-opacity:.85}.ds-share-link.ds-share-link--inverse:focus .path-background{fill-opacity:1;stroke:var(--ds-color-hong-kong-55);stroke-width:2}.ds-share-link.ds-share-link--inverse:active .path-background{fill-opacity:.85;stroke:var(--ds-color-hong-kong-55);stroke-width:2}.ds-footer-secondary{background-color:var(--ds-color-london-20);color:var(--ds-color-london-100);padding:2rem var(--ds-grid-gap) .3125rem;-webkit-text-size-adjust:100%}.ds-footer-secondary-cols-alpha{border-bottom:var(--ds-border-rule--inverse);margin:0 auto 1.5rem;max-width:89.5rem;padding:0 0 .625rem}.ds-footer-secondary-cols-alpha__lead .ds-navigation-link{display:inline-block;margin:0 0 1.375rem}.ds-footer-secondary-cols-omega{display:flex;flex-direction:column;margin:0 auto;max-width:89.5rem}.ds-footer-secondary-cols-omega ul{display:flex;flex-wrap:wrap}.ds-footer-secondary-cols-omega .ds-navigation-link{margin:0 var(--ds-grid-gap) .6875rem 0}.ds-footer-secondary__copyright{color:var(--ds-color-london-70);display:block;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale--1);font-weight:400;line-height:var(--ds-type-leading-lower);margin:0 0 .6875rem}@media (min-width:22.5rem){.ds-footer-secondary-cols-alpha__lead .ds-footer__link-list{-moz-column-gap:var(--ds-grid-gutter);grid-column-gap:var(--ds-grid-gutter);-webkit-column-gap:var(--ds-grid-gutter);column-gap:var(--ds-grid-gutter);-webkit-column-count:2;column-count:2}}@media (min-width:37.5rem){.ds-footer-secondary{padding-left:var(--ds-grid-gutter);padding-right:var(--ds-grid-gutter)}.ds-footer-secondary-cols-alpha__lead .ds-footer__link-list{-webkit-column-count:3;column-count:3}}@media (min-width:60rem){.ds-footer-secondary-cols-alpha{padding-bottom:.625rem}.ds-footer-secondary-cols-alpha__lead{border:0;margin-bottom:0;padding-bottom:0}.ds-footer-secondary-cols-alpha__lead .ds-footer__link-list{-webkit-column-count:unset;column-count:unset;-moz-column-gap:unset;grid-column-gap:unset;-webkit-column-gap:unset;column-gap:unset;display:flex}.ds-footer__link-list li{margin-right:var(--ds-grid-gutter)}}.ds-form-checkbox__box{background:var(--ds-color-london-100);border:.0625rem solid var(--ds-color-london-35);border-radius:.25rem;cursor:pointer;height:1.25rem;min-width:1.25rem;pointer-events:none;position:relative;width:1.25rem}.ds-form-checkbox__box:after{background:transparent;border:.125rem solid var(--ds-color-london-100);border-right:none;border-top:none;content:"";height:.25rem;left:.25rem;opacity:0;position:absolute;top:.375rem;-webkit-transform:rotate(-45deg);transform:rotate(-45deg);width:.5625rem}.ds-form-checkbox{align-items:flex-start;display:flex;flex-direction:row}.ds-form-checkbox .ds-form-check-label{margin-left:.5rem}.ds-form-checkbox input{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:.0625rem solid transparent;border-radius:.25rem;-webkit-box-sizing:content-box;box-sizing:content-box;cursor:pointer;height:1.25rem;margin:0;min-width:1.25rem;opacity:0;position:absolute;width:1.25rem}.ds-form-checkbox input:checked+.ds-form-checkbox__box{background:var(--ds-color-london-20);border-color:var(--ds-color-london-5)}.ds-form-checkbox input:checked+.ds-form-checkbox__box:after{opacity:1}.ds-form-checkbox input:focus+.ds-form-checkbox__box{-webkit-box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);outline:solid transparent}.ds-form-checkbox input:disabled,.ds-form-checkbox input:disabled~.ds-form-check-label{cursor:not-allowed}.ds-form-checkbox input:disabled+.ds-form-checkbox__box{background-color:var(--ds-color-london-100);border-color:var(--ds-color-london-70)}.ds-form-checkbox input:disabled+.ds-form-checkbox__box:after{border-color:var(--ds-color-london-70)}.ds-form-checkbox.ds-form-checkbox--indeterminate input+.ds-form-checkbox__box{background-color:var(--ds-color-london-20);border-color:var(--ds-color-london-5)}.ds-form-checkbox.ds-form-checkbox--indeterminate input+.ds-form-checkbox__box:after{background-color:var(--ds-color-london-100);border:none;height:.125rem;left:.25rem;opacity:1;top:.5625rem;-webkit-transform:rotate(0deg);transform:rotate(0deg);width:.75rem}.ds-form-checkbox.ds-form-checkbox--indeterminate input:disabled+.ds-form-checkbox__box{background-color:var(--ds-color-london-100);border-color:var(--ds-color-london-70)}.ds-form-checkbox.ds-form-checkbox--indeterminate 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.ds-form-tag{color:var(--ds-color-london-95)}.ds-form-notice{color:var(--ds-color-london-5);display:inline-flex;font-family:var(--ds-type-system-sans-lining);font-size:var(--ds-type-scale-0);font-weight:500;line-height:var(--ds-type-leading-lower)}.ds-form-notice:before{background-image:url(https://cdn.design-system.economist.com/assets/5.87.0/common/static/images/icons/error-outline.svg);background-repeat:no-repeat;background-size:1.25rem;content:"";flex-shrink:0;height:1.25rem;margin:0 .375rem 0 0;width:1.25rem}.ds-form-notice--inverse{color:var(--ds-color-london-100);-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased}.ds-form-notice--inverse:before{background-image:url(https://cdn.design-system.economist.com/assets/5.87.0/common/static/images/icons/error-outline--inverse.svg)}.ds-form-field-combined-input+.ds-form-notice,.ds-form-field-date+.ds-form-notice,.ds-form-field-number+.ds-form-notice,.ds-form-input+.ds-form-notice{margin:.375rem 0 0}.ds-slim-button{-moz-appearance:none;-webkit-appearance:none;appearance:none;background-color:var(--ds-color-london-20);border:none;border-radius:.25rem;-webkit-box-shadow:none;box-shadow:none;-webkit-box-sizing:border-box;box-sizing:border-box;color:var(--ds-color-london-100);cursor:pointer;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-0);font-weight:400;height:2.25rem;line-height:var(--ds-type-leading-lower);padding:.3125rem var(--ds-grid-gap);text-decoration:none;-webkit-transition:background-color var(--ds-interactions-transition);transition:background-color var(--ds-interactions-transition);will-change:background-color}.ds-slim-button:hover{background-color:var(--ds-color-london-5)}.ds-slim-button:focus{outline:solid transparent}.ds-slim-button:active,.ds-slim-button:focus{-webkit-box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55)}.ds-slim-button:active{background-color:var(--ds-color-london-5)}.ds-slim-button:disabled{background-color:var(--ds-color-london-95);color:hsla(var(--ds-color-hsl-london-5),.5);cursor:not-allowed}.ds-slim-button--inverse{background-color:var(--ds-color-london-100);color:var(--ds-color-london-5)}.ds-slim-button--inverse:hover{background-color:hsla(var(--ds-color-hsl-london-100),.85)}.ds-slim-button--inverse:focus{background-color:var(--ds-color-london-100)}.ds-slim-button--inverse:active{background-color:hsla(var(--ds-color-hsl-london-100),.85)}.ds-slim-button--inverse:disabled{background-color:hsla(var(--ds-color-hsl-london-100),.25);color:hsla(var(--ds-color-hsl-london-100),.5)}.ds-slim-button--inverse.ds-slim-button--secondary{border-color:var(--ds-color-london-100);color:var(--ds-color-london-100)}.ds-slim-button--inverse.ds-slim-button--secondary:hover{border-color:hsla(var(--ds-color-hsl-london-100),.75)}.ds-slim-button--inverse.ds-slim-button--secondary:focus{border-color:var(--ds-color-london-100)}.ds-slim-button--inverse.ds-slim-button--secondary:active{border-color:hsla(var(--ds-color-hsl-london-100),.75)}.ds-slim-button--inverse.ds-slim-button--secondary:disabled{border-color:hsla(var(--ds-color-hsl-london-100),.25);color:hsla(var(--ds-color-hsl-london-100),.5)}.ds-slim-button--secondary{background-color:transparent;border:.125rem 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var(--ds-color-hong-kong-55)}.ds-slim-button--secondary:active{border-color:var(--ds-color-chicago-30)}.ds-slim-button--secondary:disabled{background-color:transparent;border-color:var(--ds-color-london-95);color:hsla(var(--ds-color-hsl-london-5),.5);cursor:not-allowed}.ds-slim-button--icon{justify-content:center;padding-left:.3125rem;padding-right:.3125rem;width:2.5rem}.ds-slim-button--icon::-moz-focus-inner{border:0}.ds-slim-button--icon svg{fill:var(--ds-color-london-100)}.ds-slim-button--icon:disabled{-webkit-box-shadow:none;box-shadow:none}.ds-slim-button--icon:disabled svg{fill:hsla(var(--ds-color-hsl-london-5),.5)}.ds-slim-button--icon.ds-slim-button--secondary svg{fill:var(--ds-color-london-5)}.ds-slim-button--icon.ds-slim-button--secondary:disabled svg{fill:hsla(var(--ds-color-hsl-london-5),.5)}.ds-slim-button--icon.ds-slim-button--inverse svg{fill:var(--ds-color-london-5)}.ds-slim-button--icon.ds-slim-button--inverse:disabled svg{fill:hsla(var(--ds-color-hsl-london-100),.5)}.ds-slim-button--icon.ds-slim-button--inverse.ds-slim-button--secondary svg{fill:var(--ds-color-london-100)}.ds-slim-button--icon.ds-slim-button--inverse.ds-slim-button--secondary:disabled svg{fill:hsla(var(--ds-color-hsl-london-100),.5)}.ds-form-field-combined-input{display:flex;width:100%}.ds-form-field-combined-input .ds-button,.ds-form-field-combined-input .ds-slim-button{border-bottom-left-radius:0;border-top-left-radius:0;flex-shrink:0;padding-left:var(--ds-grid-gap);padding-right:var(--ds-grid-gap)}.ds-form-field-combined-input .ds-button--icon,.ds-form-field-combined-input .ds-slim-button--icon{padding-left:.375rem;padding-right:.375rem}.ds-form-field-combined-input .ds-form-input{border-bottom-right-radius:0;border-top-right-radius:0}.ds-form-field-combined-input .ds-button--secondary.ds-button--inverse,.ds-form-field-combined-input .ds-slim-button--inverse{border-width:.0625rem}.ds-form-helper-text{color:var(--ds-color-london-20);font-family:var(--ds-type-system-sans-lining);font-size:var(--ds-type-scale-0);font-weight:400;line-height:var(--ds-type-leading-lower);max-width:33rem}.ds-form-helper-text--inverse{color:var(--ds-color-london-95)}.ds-form-field-number{max-width:33rem;position:relative;width:100%}.ds-form-field-number__button{-moz-appearance:none;-webkit-appearance:none;appearance:none;background:transparent;border:.5125rem solid transparent;border-top:0;height:0;outline:solid transparent;padding:0;position:absolute;right:.9375rem;top:.5625rem;width:0}.ds-form-field-number__button:before{border-bottom:.3125rem solid var(--ds-color-london-5);border-left:.3125rem solid transparent;border-right:.3125rem solid transparent;border-top:0;content:"";height:0;position:absolute;right:-.325rem;top:.125rem;width:0}.ds-form-field-number__button:focus{border-bottom:.5125rem solid var(--ds-color-hong-kong-55)}.ds-form-field-number__button:disabled{border-bottom:.3125rem solid var(--ds-color-london-95)}.ds-form-field-number__button:disabled:before{border-bottom:.3125rem solid var(--ds-color-london-70);top:.1rem}.ds-form-field-number__button--down{border-bottom:0;border-top:.5125rem solid transparent;top:1.4375rem}.ds-form-field-number__button--down:before{border-bottom:0;border-left:.3125rem solid transparent;border-right:.3125rem solid transparent;border-top:.3125rem solid var(--ds-color-london-5);right:-.325rem;top:-.45rem}.ds-form-field-number__button--down:disabled{border-bottom:0;border-top:.3125rem solid var(--ds-color-london-95)}.ds-form-field-number__button--down:disabled:before{border-bottom:0;border-top:.3125rem solid var(--ds-color-london-70);top:-.2rem}.ds-form-field-number__button--down:focus{border-bottom:0;border-top:.5125rem solid var(--ds-color-hong-kong-55)}.ds-form-field-number--slim .ds-form-field-number__button{top:.4375rem}.ds-form-field-number--slim .ds-form-field-number__button--down{top:1.3125rem}.ds-form-helper-text+.ds-form-field-number,.ds-form-label+.ds-form-field-number{margin:.375rem 0 0}.ds-form-password-meter{align-items:center;color:var(--ds-color-london-5);display:inline-flex;font-family:var(--ds-type-system-sans-lining);font-size:var(--ds-type-scale-0);font-weight:400;line-height:var(--ds-type-leading-lower);max-width:33rem;width:100%}.ds-form-password-meter span{margin:0 .75rem 0 0}.ds-form-password-meter meter{height:.75rem;width:36%}.ds-form-password-meter meter::-webkit-meter-bar{background:var(--ds-color-london-95);border-radius:4px;height:.75rem;width:100%}.ds-form-password-meter meter::-webkit-meter-even-less-good-value{background:var(--ds-color-tokyo-45);border-bottom-left-radius:4px;border-top-left-radius:4px}.ds-form-password-meter 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var(--ds-color-london-35);border-radius:2rem;-webkit-box-sizing:border-box;box-sizing:border-box;height:1.375rem;min-width:1.375rem;pointer-events:none;position:relative;width:1.375rem}.ds-form-radio-button__box:after{background:var(--ds-color-london-20);border-radius:50%;bottom:0;content:"";height:.75rem;left:0;margin:auto;opacity:0;position:absolute;right:0;top:0;width:.75rem}.ds-form-radio-button{align-items:flex-start;display:flex;flex-direction:row}.ds-form-radio-button .ds-form-check-label{margin-left:.5rem}.ds-form-radio-button input{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:.0625rem solid transparent;border-radius:2rem;-webkit-box-sizing:border-box;box-sizing:border-box;cursor:pointer;height:1.375rem;margin:0;min-width:1.375rem;opacity:0;position:absolute;width:1.375rem}.ds-form-radio-button input:checked+.ds-form-radio-button__box{background:var(--ds-color-london-100);border-color:var(--ds-color-london-35)}.ds-form-radio-button 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dash{0%{stroke-dasharray:60;stroke-dashoffset:30}50%{stroke-dasharray:70;stroke-dashoffset:10}to{stroke-dasharray:60;stroke-dashoffset:30}}@keyframes dash{0%{stroke-dasharray:60;stroke-dashoffset:30}50%{stroke-dasharray:70;stroke-dashoffset:10}to{stroke-dasharray:60;stroke-dashoffset:30}}.ds-indicator__circle{-webkit-animation:dash 1s linear infinite;animation:dash 1s linear infinite;stroke:var(--ds-color-new-york-55);stroke-width:4}.ds-indicator__circle--inverse{stroke:var(--ds-color-london-100)}.ds-link-with-arrow-icon{display:inline-flex;flex-wrap:nowrap;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-1);font-weight:400;line-height:var(--ds-type-leading-border-link);text-decoration:none}.ds-link-with-arrow-icon span{border-bottom:.125rem solid transparent;color:var(--ds-color-london-5);margin:.125rem 0 0;-webkit-transition:border-color var(--ds-interactions-transition),color var(--ds-interactions-transition);transition:border-color var(--ds-interactions-transition),color var(--ds-interactions-transition);will-change:border-color,color}.ds-link-with-arrow-icon:hover span{border-bottom-color:var(--ds-color-chicago-45);color:var(--ds-color-chicago-30)}.ds-link-with-arrow-icon:focus{outline:solid transparent}.ds-link-with-arrow-icon:focus span{border-bottom-color:transparent;-webkit-box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55)}.ds-link-with-arrow-icon:active span{border-bottom-color:var(--ds-color-hong-kong-55);-webkit-box-shadow:none;box-shadow:none;color:var(--ds-color-london-5)}.ds-link-with-arrow-icon svg{flex:0 0 auto;height:1.5rem;margin:0 .5rem 0 0;width:1.5rem}.ds-link-with-arrow-icon--heavy{font-weight:500}.ds-link-with-arrow-icon--heavy .path-background{fill:var(--ds-color-london-5)}.ds-link-with-arrow-icon--heavy:hover span{border-bottom-color:var(--ds-color-london-5);color:var(--ds-color-london-5)}.ds-link-with-arrow-icon--heavy:focus span{color:var(--ds-color-london-5)}.ds-link-with-arrow-icon--heavy:active span{border-bottom-color:var(--ds-color-hong-kong-55);color:var(--ds-color-london-5)}.ds-link-with-arrow-icon--heavy.ds-link-with-arrow-icon--inverse span{color:var(--ds-color-london-100)}.ds-link-with-arrow-icon--heavy.ds-link-with-arrow-icon--inverse .path-background{fill:var(--ds-color-london-100)}.ds-link-with-arrow-icon--heavy.ds-link-with-arrow-icon--inverse:hover span{border-bottom-color:var(--ds-color-london-100);color:var(--ds-color-london-100)}.ds-link-with-arrow-icon--heavy.ds-link-with-arrow-icon--inverse:focus span{color:var(--ds-color-london-100)}.ds-link-with-arrow-icon--heavy.ds-link-with-arrow-icon--inverse:active span{border-bottom-color:var(--ds-color-hong-kong-55)}.ds-link-with-arrow-icon--minor{font-size:var(--ds-type-scale-0)}.ds-link-with-arrow-icon--minor span{border-bottom-width:.0625rem}.ds-link-with-arrow-icon--minor:focus span{border-bottom-color:transparent;-webkit-box-shadow:0 0 0 .0625rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .0625rem var(--ds-color-hong-kong-55)}.ds-link-with-arrow-icon--minor:active span{border-bottom-color:var(--ds-color-hong-kong-55);-webkit-box-shadow:none;box-shadow:none}.ds-link-with-arrow-icon--minor svg{height:1.25rem;width:1.25rem}.ds-masthead-monogram{display:inline-block;height:4rem;vertical-align:top;width:4rem}.ds-masthead-monogram:focus{-webkit-box-shadow:0 0 0 .125rem var(--ds-color-london-20);box-shadow:0 0 0 .125rem var(--ds-color-london-20);outline:solid transparent}.ds-masthead-logo{display:none}@media (min-width:37.5rem){.ds-masthead-logo{display:inline-block;height:4rem;vertical-align:top;width:8rem}.ds-masthead-monogram{display:none}}@media (min-width:60rem){.ds-masthead-logo{height:5rem;width:10rem}.ds-masthead--secondary .ds-masthead-logo{height:4rem;width:8rem}}.ds-menu-disclosure{align-items:center;color:var(--ds-color-london-5);display:inline-flex;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-1);font-weight:400;line-height:var(--ds-type-leading-lower);text-decoration:none;-webkit-transition:color var(--ds-interactions-transition);transition:color var(--ds-interactions-transition);will-change:color}.ds-menu-disclosure .path-foreground{-webkit-transition:fill var(--ds-interactions-transition);transition:fill var(--ds-interactions-transition)}.ds-menu-disclosure:hover{color:var(--ds-color-chicago-30)}.ds-menu-disclosure:hover .path-foreground{fill:var(--ds-color-chicago-30)}.ds-menu-disclosure:focus{border-color:transparent;-webkit-box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);outline:solid transparent}.ds-menu-disclosure:active{-webkit-box-shadow:none;box-shadow:none;color:var(--ds-color-chicago-45)}.ds-menu-disclosure:active .path-foreground{fill:var(--ds-color-chicago-45)}.ds-menu-disclosure svg{height:1.5rem;margin:0 .5rem 0 0;width:1.5rem}.ds-menu-disclosure.is-open:hover .path-foreground{fill:var(--ds-color-chicago-30)}.ds-menu-disclosure.is-open:active{-webkit-box-shadow:none;box-shadow:none}.ds-menu-disclosure.is-open:active .path-foreground{fill:var(--ds-color-chicago-45)}.ds-menu-disclosure--inverse{color:var(--ds-color-london-100)}.ds-menu-disclosure--inverse .path-foreground{fill:var(--ds-color-london-100)}.ds-menu-disclosure--inverse:hover{color:var(--ds-color-london-85)}.ds-menu-disclosure--inverse:hover .path-foreground{fill:var(--ds-color-london-85)}.ds-menu-disclosure--inverse:active{color:var(--ds-color-london-70)}.ds-menu-disclosure--inverse:active .path-foreground{fill:var(--ds-color-london-70)}.ds-menu-disclosure--inverse.is-open:hover 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.path-foreground{fill:var(--ds-color-chicago-30)}.ds-navigation-disclosure:focus{border-color:transparent;-webkit-box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);outline:solid transparent}.ds-navigation-disclosure:active{-webkit-box-shadow:none;box-shadow:none;color:var(--ds-color-chicago-45)}.ds-navigation-disclosure:active .path-foreground{fill:var(--ds-color-chicago-45)}.ds-navigation-disclosure svg{height:1.5rem;margin:0 0 0 .125rem;-webkit-transition:-webkit-transform var(--ds-interactions-transition);transition:-webkit-transform var(--ds-interactions-transition);transition:transform var(--ds-interactions-transition);transition:transform var(--ds-interactions-transition),-webkit-transform var(--ds-interactions-transition);width:1.5rem}.ds-navigation-disclosure.is-selected{font-weight:700}.ds-navigation-disclosure.is-selected 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.ds-account-disclosure__avatar-initials{background-color:var(--ds-color-chicago-20)}.ds-account-disclosure--inverse{border:.0625rem solid var(--ds-color-london-100)}.ds-account-disclosure--inverse .path-foreground{fill:var(--ds-color-london-100)}.ds-account-disclosure--inverse:hover{border:.0625rem solid var(--ds-color-london-85)}.ds-account-disclosure--inverse:hover .ds-account-disclosure__avatar-initials{background-color:var(--ds-color-london-85)}.ds-account-disclosure--inverse:hover .path-foreground{fill:var(--ds-color-london-85)}.ds-account-disclosure--inverse:active,.ds-account-disclosure--inverse:focus{border-color:transparent;-webkit-box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);outline:solid transparent}.ds-account-disclosure--inverse:active .ds-account-disclosure__avatar-initials{background-color:var(--ds-color-london-85)}.ds-account-disclosure--inverse:active .path-foreground{fill:var(--ds-color-london-85)}}@media 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auto}.ds-masthead-nav-beta__item{align-items:center;display:flex}.ds-masthead-nav-beta__item--notification-bell{border-right:var(--ds-border-rule)}.ds-masthead-nav-beta__item--extra-item{border-right:var(--ds-border-rule);padding-right:1rem;text-align:right}.ds-masthead.is-open .ds-masthead-nav-beta__item--extra-item,.ds-masthead.search-is-open .ds-masthead-nav-beta__item--extra-item{display:none}.ds-masthead.account-is-open .ds-masthead-home,.ds-masthead.account-is-open .ds-masthead-nav-alpha__item--menu{z-index:98}.ds-masthead .ds-masthead-nav-beta__item--call-to-action{border-right:var(--ds-border-rule);padding-left:0}.ds-masthead.is-open .ds-masthead-nav-beta__item--call-to-action,.ds-masthead.search-is-open .ds-masthead-nav-beta__item--call-to-action{border-right:var(--ds-border-rule--inverse)}.ds-masthead.account-is-open .ds-masthead-nav-beta__item--call-to-action{z-index:98}.ds-masthead:not(.is-open) .ds-masthead-nav-lists{clip:rect(.0625rem,.0625rem,.0625rem,.0625rem);height:.0625rem;overflow:hidden;position:absolute;visibility:hidden;width:.0625rem}.ds-masthead.is-open .ds-masthead-nav-lists{flex:0 0 100%;margin:1rem 0 0}.ds-masthead-nav-lists .ds-masthead-nav-alpha__item,.ds-masthead-nav-lists .ds-masthead-nav-beta__item{border-bottom:var(--ds-border-rule--inverse);padding:1rem 0}.ds-masthead--secondary .ds-masthead-nav-alpha__item{border:none}@media (max-width:37.4375rem){.ds-masthead.account-is-open,.ds-masthead.is-open,.ds-masthead.search-is-open{-webkit-box-sizing:border-box;box-sizing:border-box;left:0;min-height:100%;position:absolute;top:0;width:100%;z-index:99}.ds-masthead.is-open .ds-masthead-nav-alpha ul{justify-content:flex-end}.ds-masthead-nav-beta__item{padding-left:1rem}.ds-masthead.is-open .ds-masthead-nav-alpha__item .ds-navigation-link{font-size:var(--ds-type-scale-2);line-height:var(--ds-type-leading-lower)}.ds-masthead.is-open .ds-masthead-nav-alpha__item--today{border-bottom:0;padding:1rem 0 0}.ds-masthead.is-open .ds-masthead-nav-alpha__item--today .ds-navigation-link{font-size:var(--ds-type-scale-3);line-height:var(--ds-type-leading-upper)}.ds-masthead.is-open .ds-masthead-nav-alpha__item--weekly-edition{padding-bottom:1rem;padding-top:1rem}.ds-masthead.is-open .ds-masthead-nav-alpha__item--weekly-edition .ds-navigation-link{font-size:var(--ds-type-scale-2);line-height:var(--ds-type-leading-lower)}.ds-navigation-disclosure--icon-search,.ds-navigation-link--icon-search{overflow:hidden;text-indent:-999rem}.ds-masthead-nav .ds-masthead-nav-beta__item--search{display:none}.ds-masthead.is-open .ds-masthead-nav-beta__item--search .ds-navigation-link{font-size:var(--ds-type-scale-2);line-height:var(--ds-type-leading-lower);width:100%}.ds-masthead.is-open .ds-masthead-nav-beta__item--call-to-action .ds-navigation-link{font-size:var(--ds-type-scale-2);line-height:var(--ds-type-leading-lower)}}@media (max-width:29.9375rem){.ds-masthead .ds-masthead-nav-beta__item--call-to-action{border-right:var(--ds-border-rule);padding-left:0}}@media (max-width:43.9375rem){.ds-navigation-disclosure--icon-search{font-size:0}.ds-navigation-disclosure--icon-search:before{margin:0}.ds-navigation-disclosure--icon-search svg{display:none}}@media (max-width:59.9375rem){.ds-navigation-disclosure--icon-search{font-size:0}.ds-navigation-disclosure--icon-search:before{margin:0}.ds-masthead--secondary .ds-masthead-nav .ds-masthead-nav-alpha__item:not(.ds-masthead-nav-alpha__item--menu),.ds-navigation-disclosure--icon-search svg{display:none}}@media (max-width:67.9375rem){.ds-masthead{margin-bottom:2rem;padding-bottom:1.5rem;padding-top:1.5rem}.ds-masthead.account-is-open .ds-masthead-nav-alpha__item--menu,.ds-masthead.account-is-open .ds-masthead-nav-alpha__item--search,.ds-masthead.is-open .ds-masthead-nav-alpha__item--menu,.ds-masthead.is-open .ds-masthead-nav-alpha__item--search,.ds-masthead.search-is-open .ds-masthead-nav-alpha__item--menu,.ds-masthead.search-is-open .ds-masthead-nav-alpha__item--search{border-color:var(--ds-color-london-35)}.ds-masthead--secondary .ds-masthead-nav-beta__item:not(.ds-masthead-nav-beta__item--call-to-action){display:flex}.ds-masthead.is-open .ds-masthead-nav-beta__item--call-to-action .ds-navigation-link{width:100%}.ds-masthead--secondary .ds-masthead-nav-lists .ds-masthead-nav-beta__item--log-in{display:flex}}@media (min-width:22.5rem){.ds-masthead{padding-top:1.25rem}.ds-masthead .ds-masthead-nav-beta__item--call-to-action{border-right:var(--ds-border-rule);padding-right:1rem}.ds-masthead-nav-alpha__item--weekly-edition{border-right:0}.ds-masthead-nav-alpha__item--menu{border:0;margin-left:0;padding-left:0;padding-right:1rem}.ds-masthead-nav{flex-direction:row}}@media (min-width:30rem){.ds-masthead-nav-alpha{margin-left:0}}@media (min-width:30rem) and (max-width:37.4375rem){.ds-masthead:not(.ds-masthead--secondary) .ds-masthead-nav-alpha__item--search{border-left:var(--ds-border-rule);border-right:var(--ds-border-rule);margin-left:-.0625rem}.ds-masthead.is-open .ds-masthead-nav-alpha__item--search,.ds-masthead.search-is-open .ds-masthead-nav-alpha__item--search{border-left:var(--ds-border-rule--inverse);border-right:var(--ds-border-rule--inverse)}}@media (min-width:37.5rem){.ds-masthead{margin-bottom:1.5rem;padding-bottom:1.5rem;padding-top:1.25rem}.ds-layout-masthead{padding-left:var(--ds-grid-gutter);padding-right:var(--ds-grid-gutter)}.ds-masthead-nav{flex-direction:row}.ds-masthead-nav .ds-masthead-nav-beta__item--call-to-action{border-right:var(--ds-border-rule);padding-left:0}.ds-masthead.is-open .ds-masthead-nav .ds-masthead-nav-beta__item--call-to-action,.ds-masthead.search-is-open .ds-masthead-nav .ds-masthead-nav-beta__item--call-to-action{border-right:var(--ds-border-rule--inverse)}.ds-masthead-nav-beta__item--log-in{padding-right:0}.ds-masthead-nav-lists .ds-masthead-nav-beta__item--log-in,.ds-masthead-nav .ds-masthead-nav-beta__item--log-in{display:flex}.ds-masthead:not(.ds-masthead--secondary) .ds-masthead-nav-alpha__item--search{border-right:var(--ds-border-rule);display:flex}.ds-masthead.search-is-open .ds-masthead-nav-alpha__item--search,.ds-masthead:not(.ds-masthead--secondary).is-open .ds-masthead-nav-alpha__item--search{border-right:var(--ds-border-rule--inverse)}.ds-masthead:not(.ds-masthead--secondary) .ds-masthead-nav-alpha__item--menu{border-right:var(--ds-border-rule);padding:0 1rem}.ds-masthead.search-is-open .ds-masthead-nav-alpha__item--menu,.ds-masthead:not(.ds-masthead--secondary).is-open .ds-masthead-nav-alpha__item--menu{border-right:var(--ds-border-rule--inverse)}.ds-masthead:not(.ds-masthead--secondary) .ds-masthead-nav-alpha__item--menu.ds-masthead-nav-alpha__item{padding-left:.25rem}.ds-masthead-nav-alpha ul{flex-direction:row}.ds-masthead.is-open .ds-masthead-nav-lists .ds-masthead-nav-alpha__item,.ds-masthead.is-open .ds-masthead-nav-lists .ds-masthead-nav-beta__item{padding:1.125rem 0 1rem}}@media (min-width:44rem){.ds-masthead.is-open:not(.ds-masthead--secondary) .ds-masthead-nav-lists .ds-masthead-nav-beta__item--call-to-action{display:none}.ds-masthead-nav-alpha__item--search{padding-left:.5rem;padding-right:.5rem}}@media (min-width:60rem){.ds-masthead{padding-top:1.5rem}.ds-masthead-nav .ds-menu-disclosure,.ds-masthead-nav .ds-navigation-disclosure--icon-account,.ds-masthead-nav .ds-navigation-link--icon-account,.ds-masthead-nav .ds-navigation-link--icon-search{margin-top:-.125rem}.ds-masthead-nav-alpha__item,.ds-masthead-nav-beta__item{padding:0 1rem}.ds-masthead-nav-alpha__item--search{padding-left:1rem;padding-right:1rem}.ds-masthead-nav-beta__item--log-in{padding-right:0}.ds-masthead-nav-lists .ds-masthead-nav-alpha__item--weekly-edition{display:none}.ds-masthead-nav .ds-masthead-nav-alpha__item--weekly-edition{border-right:var(--ds-border-rule);display:flex}.ds-masthead.is-open .ds-masthead-nav .ds-masthead-nav-alpha__item--weekly-edition,.ds-masthead.search-is-open .ds-masthead-nav .ds-masthead-nav-alpha__item--weekly-edition{border-right:var(--ds-border-rule--inverse)}.ds-masthead-nav-alpha__item--menu.ds-masthead-nav-alpha__item{padding-left:2rem}.ds-masthead--secondary .ds-masthead-nav-alpha__item--menu{display:none;padding-right:0}.ds-masthead--secondary .ds-masthead-nav{flex-direction:row}.ds-masthead--secondary .ds-masthead-nav-beta{margin-left:auto}}@media (min-width:68rem){.ds-masthead--secondary .ds-masthead-nav{flex-direction:row}}@media (min-width:80rem){.ds-masthead-nav-lists>ul{display:grid;grid-column-gap:var(--ds-grid-gutter);grid-template:auto/repeat(12,1fr)}}@media (max-width:22.4375rem){.ds-masthead-nav-beta__item--log-in{padding:0}.ds-masthead .ds-masthead-nav-beta__item--call-to-action+.ds-masthead-nav-beta__item--log-in .ds-account-disclosure__arrow{display:none}.ds-masthead.is-open .ds-masthead-nav-beta__item--call-to-action{border-right:none}.ds-masthead-nav{flex-direction:row}.ds-masthead-nav .ds-masthead-nav-beta__item{border-right:none}.ds-masthead-nav-alpha__item{padding:0}}@media (max-width:19.5625rem){.ds-masthead-nav{margin-left:0}.ds-layout-masthead>a{margin-right:1rem}.ds-masthead-nav-alpha__item--menu{padding:1rem 1rem 1rem 0}.ds-masthead-nav-beta__item--log-in{padding:1rem 0;white-space:nowrap}}.ds-navigation-list{border-bottom:var(--ds-border-rule--inverse);padding:1rem 0}.ds-navigation-list ul{-moz-column-gap:var(--ds-grid-gutter);grid-column-gap:var(--ds-grid-gutter);-webkit-column-gap:var(--ds-grid-gutter);column-gap:var(--ds-grid-gutter)}.ds-navigation-list ul li{page-break-inside:avoid;-webkit-column-break-inside:avoid;break-inside:avoid;padding:0 0 .75rem}.ds-navigation-list.ds-navigation-list--blog ul li{padding-bottom:1.5rem}.ds-navigation-list .ds-navigation-link{font-size:var(--ds-type-scale-2);width:100%}.ds-navigation-list__header{color:var(--ds-color-london-100);font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-2);font-weight:700;line-height:var(--ds-type-leading-lower);margin:0}.ds-navigation-list__header i{display:inline-block;font-style:italic}.ds-navigation-list.is-selected .ds-navigation-list__header{margin-bottom:1.5rem}.ds-navigation-list__header-anchor{align-items:center;cursor:pointer;display:flex;outline:solid transparent;-webkit-transition:color var(--ds-interactions-transition);transition:color var(--ds-interactions-transition)}.ds-navigation-list__header-anchor:focus,.ds-navigation-list__header-anchor:hover{color:var(--ds-color-london-85)}.ds-navigation-list__header-anchor:after{background-image:url(https://cdn.design-system.economist.com/assets/5.87.0/common/static/images/icons/navigation-control--chevron-inverse.svg);background-position:50%;background-repeat:no-repeat;background-size:2rem;content:"";display:block;height:2rem;margin:0 0 0 auto;-webkit-transition:-webkit-transform var(--ds-interactions-transition);transition:-webkit-transform var(--ds-interactions-transition);transition:transform var(--ds-interactions-transition);transition:transform var(--ds-interactions-transition),-webkit-transform var(--ds-interactions-transition);width:2rem}.ds-navigation-list.is-selected .ds-navigation-list__header-anchor:after{-webkit-transform:scaleY(-1);transform:scaleY(-1)}.ds-navigation-list__header-username{color:var(--ds-color-london-100);font-size:var(--ds-type-scale-2);font-weight:700;margin:0}.ds-navigation-list__header-username,.ds-navigation-list__link-description{font-family:var(--ds-type-system-sans);line-height:var(--ds-type-leading-lower)}.ds-navigation-list__link-description{color:var(--ds-color-london-85);display:block;font-size:var(--ds-type-scale--1);font-weight:400;margin:0 0 .125rem;text-decoration:none}@media (min-width:37.5rem){.ds-navigation-list__header-username{font-size:var(--ds-type-scale-1);line-height:var(--ds-type-leading-lower)}.ds-navigation-list{padding:.8125rem 0}.ds-masthead-nav-lists{padding-top:.5rem}.ds-masthead:not(.ds-masthead--secondary) .ds-masthead-nav-lists .ds-navigation-list--account-logged-in,.ds-masthead:not(.ds-masthead--secondary) .ds-masthead-nav-lists .ds-navigation-list--account-logged-out{display:none}}@media 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var(--ds-color-london-85);padding-bottom:1.5rem;padding-top:1.5rem}.ds-masthead-account-list__item:nth-child(2){padding-top:1.5rem}.ds-masthead-account-list__item:last-child{padding-bottom:0}}@media (max-width:37.4375rem){.ds-masthead:not(.account-is-open) .ds-masthead-account-lists{clip:rect(.0625rem,.0625rem,.0625rem,.0625rem);height:.0625rem;overflow:hidden;position:absolute;visibility:hidden;width:.0625rem}.ds-masthead.account-is-open .ds-masthead-account-lists{flex:0 0 100%;z-index:98}.ds-masthead-account-list{display:flex;flex-direction:column;justify-content:flex-start;padding:2.375rem 0 0}.ds-masthead-account-main-list{display:none}.ds-masthead-account-list__item{padding:0 0 2rem}.ds-masthead-account-list__item:first-child 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var(--ds-color-hong-kong-55);box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55)}.ds-skip-to-content:active{background-color:var(--ds-color-london-5)}.ds-skip-to-content--inverse{background-color:var(--ds-color-london-100);color:var(--ds-color-london-5)}.ds-skip-to-content--inverse:hover{background-color:var(--ds-color-london-95)}.ds-skip-to-content--inverse:focus{background-color:var(--ds-color-london-100)}.ds-skip-to-content--inverse:active{background-color:var(--ds-color-london-95)}@media (min-width:37.5rem){.ds-skip-to-content:focus{left:var(--ds-grid-gutter)}}@media (min-width:60rem){.ds-skip-to-content:focus{top:6rem}}.ds-search-form{width:100%}.ds-search-form .ds-search-form-container{display:flex;flex-direction:row;justify-content:flex-end;padding:1rem 0 0;width:100%}.ds-search-form .ds-search-form-container .ds-form-field-layout{flex:1 1}@media (min-width:37.5rem){.ds-search-form .ds-search-form-container{padding-top:1.5rem}.ds-masthead:not(.search-is-open) .ds-search-form{clip:rect(.0625rem,.0625rem,.0625rem,.0625rem);height:.0625rem;overflow:hidden;position:absolute;visibility:hidden;width:.0625rem}.ds-masthead.search-is-open .ds-search-form{flex:0 0 100%}}@media (max-width:37.4375rem){.ds-masthead:not(.is-open) .ds-search-form{clip:rect(.0625rem,.0625rem,.0625rem,.0625rem);height:.0625rem;overflow:hidden;position:absolute;visibility:hidden;width:.0625rem}}.ds-media-promo{color:var(--ds-color-london-5);padding:1.5rem 0;position:relative}.ds-media-promo .ds-link-with-arrow-icon:before{bottom:0;content:"";display:block;left:0;opacity:0;overflow:hidden;position:absolute;right:0;text-indent:-999em;top:0;white-space:nowrap;z-index:1}.ds-layout-media-promo{margin:0 auto;padding-left:var(--ds-grid-gutter);padding-right:var(--ds-grid-gutter)}.ds-media-promo--inverse{color:var(--ds-color-london-100)}.ds-media-promo--podcasts{background-color:var(--ds-color-tokyo-55)}.ds-media-promo--films{background-color:var(--ds-color-new-york-55)}.ds-media-promo--editorial{background-color:var(--ds-color-chicago-55)}.ds-media-promo__group:before{background-position:50%;background-repeat:no-repeat;content:"";display:block;margin:0 auto 1.25rem}.ds-media-promo--films .ds-media-promo__group:before{background-image:url(https://cdn.design-system.economist.com/assets/5.87.0/common/static/images/illustration/media-promo-films.svg);background-size:6.75rem;height:6rem;width:6.75rem}.ds-media-promo--podcasts .ds-media-promo__group:before{background-image:url(https://cdn.design-system.economist.com/assets/5.87.0/common/static/images/illustration/media-promo-podcasts.svg);background-size:7rem;height:6.5625rem;width:7rem}.ds-media-promo--editorial .ds-media-promo__group:before{background-image:url(https://cdn.design-system.economist.com/assets/5.87.0/common/static/images/illustration/media-promo-editorial.svg);background-position:calc(50% + .875rem) 0;background-size:6.1875rem;height:8.75rem;width:100%}.ds-media-promo__title{font-family:var(--ds-type-system-serif);font-size:var(--ds-type-scale-6);font-weight:500;line-height:var(--ds-type-leading-upper);margin:0 0 .25rem}.ds-media-promo__description{font-family:var(--ds-type-system-serif);font-size:var(--ds-type-scale-1);font-weight:400;line-height:var(--ds-type-leading-lower);margin:0 0 1.5rem}@media (max-width:37.4375rem){.ds-media-promo{text-align:center}.ds-media-promo .ds-link-with-arrow-icon{margin:0 auto}}@media (min-width:22.5rem){.ds-media-promo--films .ds-media-promo__group:before{background-size:7.4375rem;height:6.625rem;width:7.4375rem}.ds-media-promo--podcasts .ds-media-promo__group:before{background-size:7.5rem;height:7rem;width:7.5rem}}@media (min-width:37.5rem){.ds-media-promo{-webkit-box-sizing:border-box;box-sizing:border-box;display:flex;height:12.5rem}.ds-media-promo,.ds-media-promo__group{align-items:center}.ds-media-promo__group:before{grid-area:1/1/4/3;margin-bottom:0}.ds-media-promo--films .ds-media-promo__group:before{background-size:8.5rem;height:7.625rem;width:8.5rem}.ds-media-promo--podcasts .ds-media-promo__group:before{background-size:8.5rem;height:7.9375rem;width:8.5rem}.ds-media-promo--editorial .ds-media-promo__group:before{background-position:50%;background-size:6.5rem;height:9.25rem;width:6.5rem}.ds-link-with-arrow-icon,.ds-media-promo__description,.ds-media-promo__title{grid-area:auto/3/auto/-1}}@media (min-width:60rem){.ds-media-promo__group:before{grid-column:2/5}.ds-link-with-arrow-icon,.ds-media-promo__description,.ds-media-promo__title{grid-column:5/11}}@media (min-width:80rem){.ds-media-promo__group:before{grid-column:4/6}.ds-link-with-arrow-icon,.ds-media-promo__description,.ds-media-promo__title{grid-column:6/10}}.ds-missed-target{text-align:center}.ds-missed-target__illustration{height:auto;margin:1.5rem 0;padding:1.5rem 0;width:11rem}.ds-missed-target__headline{border-bottom:var(--ds-border-rule);border-top:var(--ds-border-rule);color:var(--ds-color-london-5);font-family:var(--ds-type-system-serif);font-size:var(--ds-type-scale-4);font-weight:500;line-height:var(--ds-type-leading-upper);margin:0 0 1rem;padding:1rem var(--ds-grid-gap)}.ds-missed-target__summary,.ds-missed-target__summary a{color:var(--ds-color-london-5);font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-1);font-weight:400;line-height:var(--ds-type-leading-lower)}.ds-missed-target__summary a{border-bottom:.125rem solid var(--ds-color-chicago-45);text-decoration:none;-webkit-transition:all var(--ds-interactions-transition);transition:all 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(min-width:60rem){.ds-missed-target__headline{font-size:var(--ds-type-scale-8)}}.ds-modal--container{align-items:center;background:hsla(var(--ds-color-hsl-london-5),.3);display:flex;height:100%;justify-content:center;left:0;overflow:hidden;position:fixed;top:0;width:100%;z-index:94}.ds-modal{background-color:var(--ds-color-london-100);border:1px solid var(--ds-color-london-85);border-radius:.5rem;-webkit-box-shadow:0 .25rem 1rem 0 rgba(0,0,0,.15);box-shadow:0 .25rem 1rem 0 rgba(0,0,0,.15);-webkit-box-sizing:border-box;box-sizing:border-box;flex-shrink:1;max-width:calc(100vw - 1.5rem);padding:1.5rem}.ds-modal--small{width:16.25rem}.ds-modal--medium{width:23.75rem}.ds-modal--large{width:37.5rem}.ds-modal--dark-mode{background-color:var(--ds-color-london-10);border:var(--ds-color-london-10);color:var(--ds-color-london-100)}.ds-notification{align-items:center;background-color:var(--ds-color-london-95);border-left:.125rem solid var(--ds-color-london-35);-webkit-box-sizing:border-box;box-sizing:border-box;display:inline-flex;flex-wrap:wrap;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-0);font-weight:400;line-height:var(--ds-type-leading-lower);min-height:1.875rem;opacity:0;padding:.25rem .5rem;width:100%}.ds-notification,.ds-notification--active{-webkit-transition:opacity var(--ds-interactions-fade-in);transition:opacity var(--ds-interactions-fade-in)}.ds-notification--active{opacity:1}.ds-notification--error{background-color:var(--ds-color-tokyo-90);border-color:var(--ds-color-tokyo-55)}.ds-notification--success{background-color:var(--ds-color-chicago-90);border-color:var(--ds-color-chicago-55)}.ds-notification--warning{background-color:var(--ds-color-singapore-90);border-color:var(--ds-color-singapore-55)}.ds-pagination{align-items:center;display:flex;flex-wrap:wrap;justify-content:center;list-style-type:none}@media (max-width:28rem){.ds-pagination{justify-content:space-around}}.ds-pagination__nav{margin:0 0 1.125rem 1.125rem}.ds-pagination__nav--next{margin-left:1.125rem}.ds-pagination__nav--previous{margin-right:1.125rem}.ds-pagination__item{color:var(--ds-color-london-5);font-family:var(--ds-type-system-sans-lining);font-size:var(--ds-type-scale-1);font-weight:400;line-height:var(--ds-type-leading-border-link);margin:0 1.125rem 1.125rem;text-align:center}.ds-pagination__item span{border:.0625rem solid transparent;border-radius:1rem;-webkit-box-sizing:border-box;box-sizing:border-box;display:inline-block;height:2rem;min-width:2rem;padding:.375rem .5rem}.ds-pagination__item--active span{border-color:var(--ds-color-london-20)}.ds-pagination__nav-link{border-bottom:.0625rem solid var(--ds-color-chicago-45);color:var(--ds-color-london-5);font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-0);font-weight:400;line-height:var(--ds-type-leading-border-link);text-decoration:none;-webkit-transition:border-color var(--ds-interactions-transition),color var(--ds-interactions-transition);transition:border-color var(--ds-interactions-transition),color var(--ds-interactions-transition)}.ds-pagination__nav-link:hover{border-bottom-color:var(--ds-color-chicago-30);color:var(--ds-color-chicago-30)}.ds-pagination__nav-link:focus{border-bottom-color:transparent;-webkit-box-shadow:0 0 0 .0625rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .0625rem var(--ds-color-hong-kong-55);outline:solid transparent}.ds-pagination__nav-link:active{border-bottom-color:var(--ds-color-hong-kong-55);-webkit-box-shadow:none;box-shadow:none;color:var(--ds-color-london-5)}.ds-pagination__nav--disabled .ds-pagination__nav-link{border-bottom-color:transparent;color:var(--ds-color-london-35);cursor:not-allowed}.ds-pagination__nav--disabled .ds-pagination__nav-link:focus{-webkit-box-shadow:none;box-shadow:none}.ds-pagination__item-link{color:var(--ds-color-chicago-45);text-decoration:none}.ds-pagination__item-link span{-webkit-transition:background-color var(--ds-interactions-transition),border-color var(--ds-interactions-transition),color var(--ds-interactions-transition);transition:background-color var(--ds-interactions-transition),border-color var(--ds-interactions-transition),color var(--ds-interactions-transition)}.ds-pagination__item-link:hover span{background-color:var(--ds-color-london-95);color:var(--ds-color-chicago-30)}.ds-pagination__item-link:focus{outline:solid transparent}.ds-pagination__item-link:active span,.ds-pagination__item-link:focus span{border-color:var(--ds-color-hong-kong-55)}.ds-pagination__item-link:active span{background-color:var(--ds-color-london-95)}@media (max-width:28rem){.ds-pagination__nav{flex:0 0 100%;margin-left:0;margin-right:0;text-align:center}}@media (min-width:37.5rem){.ds-pagination__item{margin-left:.625rem;margin-right:.625rem}.ds-pagination__nav--next{margin-left:1.375rem}.ds-pagination__nav--previous{margin-right:1.375rem}}cite{color:var(--ds-color-london-5);display:flex;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-3);line-height:var(--ds-type-leading-upper);margin:0 2rem 0 0}cite,cite:before{font-style:normal;font-weight:700}cite:before{color:var(--ds-color-economist-red);content:"\201C";font-size:4.624rem;line-height:1;margin:-.35rem .5rem -1em 0}.ds-section-control,cite:before{font-family:var(--ds-type-system-serif)}.ds-section-control{border-bottom:var(--ds-border-rule);font-size:var(--ds-type-scale-2);margin:0;padding:0 0 1rem}.ds-section-control,.ds-section-control>summary{line-height:var(--ds-type-leading-lower);width:100%}.ds-section-control>summary{color:var(--ds-color-london-5);cursor:pointer;display:flex;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-1);font-weight:700;padding:1rem 0 0;position:relative;-webkit-transition:color var(--ds-interactions-transition);transition:color var(--ds-interactions-transition)}.ds-section-control>summary::-webkit-details-marker{display:none}.ds-section-control>summary:hover{color:var(--ds-color-chicago-30)}.ds-section-control>summary:focus{outline:solid transparent}.ds-section-control>summary:focus span{-webkit-box-shadow:inset 0 0 0 .125rem var(--ds-color-hong-kong-55);box-shadow:inset 0 0 0 .125rem var(--ds-color-hong-kong-55)}.ds-section-control>summary:active{color:var(--ds-color-chicago-45)}.ds-section-control>summary:active span{-webkit-box-shadow:none;box-shadow:none}.ds-section-control>summary:after{align-self:center;background-image:url(https://cdn.design-system.economist.com/assets/5.87.0/common/static/images/icons/navigation-control--chevron.svg);background-position:0 0;background-repeat:no-repeat;background-size:2rem;content:"";height:2rem;position:absolute;right:var(--ds-grid-gap);top:.75rem;-webkit-transition:-webkit-transform var(--ds-interactions-transition);transition:-webkit-transform var(--ds-interactions-transition);transition:transform var(--ds-interactions-transition);transition:transform var(--ds-interactions-transition),-webkit-transform var(--ds-interactions-transition);width:2rem}.ds-section-control.ds-section-control--inverse{background-color:var(--ds-color-london-100);margin-bottom:1rem;padding-left:.75rem}.ds-section-control.ds-section-control--inverse>summary{background-color:var(--ds-color-london-100)}.ds-section-control[open]{padding-bottom:2rem}.ds-section-control[open]>summary{color:var(--ds-color-economist-red);padding-bottom:1rem}.ds-section-control[open]>summary:focus span{-webkit-box-shadow:none;box-shadow:none}.ds-section-control[open]>summary:after{-webkit-transform:scaleY(-1);transform:scaleY(-1)}.ds-section-control__content--closed{display:none}.ds-section-link{align-items:center;display:inline-flex;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale--2);font-weight:400;letter-spacing:.04rem;line-height:var(--ds-type-leading-border-link);margin:0;position:relative;text-decoration:none;text-transform:uppercase}.ds-section-link span{border-bottom:.0625rem solid transparent;color:var(--ds-color-london-35);margin:.125rem 0 0;-webkit-transition:border-color var(--ds-interactions-transition),color var(--ds-interactions-transition);transition:border-color var(--ds-interactions-transition),color var(--ds-interactions-transition);will-change:border-color,color}.ds-section-link:after{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg width='5' height='8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath fill='%23595959' d='M0 7.06L2.862 4 0 .94.881 0l3.75 4-3.75 4z'/%3E%3C/svg%3E");background-position:50%;background-repeat:no-repeat;content:"";height:.5rem;margin:0 0 0 .25rem;width:.3125rem}.ds-section-link:hover span{border-bottom-color:var(--ds-color-chicago-30);color:var(--ds-color-chicago-30)}.ds-section-link:focus{outline:solid transparent}.ds-section-link:focus span{-webkit-box-shadow:0 0 0 .0625rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .0625rem var(--ds-color-hong-kong-55)}.ds-section-link:active span{border-bottom-color:var(--ds-color-hong-kong-55);-webkit-box-shadow:none;box-shadow:none;color:var(--ds-color-london-35)}.ds-share-list li{display:inline-block;margin:0 .75rem 0 0}.ds-slim-media-promo{background-color:var(--ds-color-los-angeles-90);color:var(--ds-color-london-5);padding:.75rem 0 1rem;position:relative}.ds-slim-media-promo .ds-link-with-arrow-icon:before{bottom:0;content:"";display:block;left:0;opacity:0;overflow:hidden;position:absolute;right:0;text-indent:-999em;top:0;white-space:nowrap;z-index:1}.ds-slim-media-promo--inverse{background-color:var(--ds-color-chicago-45);color:var(--ds-color-london-100)}.ds-slim-media-promo--singapore-55{background-color:var(--ds-color-singapore-55)}.ds-slim-media-promo--paris-90{background-color:var(--ds-color-paris-90)}.ds-slim-media-promo--chicago-20{background-color:var(--ds-color-chicago-20)}.ds-slim-media-promo__title{font-family:var(--ds-type-system-serif);font-size:var(--ds-type-scale-5);font-weight:500;line-height:var(--ds-type-leading-upper)}@media (max-width:37.4375rem){.ds-slim-media-promo__title{margin:0 0 1.5rem}}@media (min-width:37.5rem){.ds-layout-slim-media-promo{align-items:center}.ds-layout-slim-media-promo .ds-link-with-arrow-icon{grid-column:5/7}.ds-slim-media-promo__title{grid-column:1/5}}@media (min-width:60rem){.ds-slim-media-promo{padding-bottom:.75rem;padding-top:.75rem}.ds-layout-slim-media-promo .ds-link-with-arrow-icon{grid-column:10/13}.ds-slim-media-promo__title{grid-column:2/9}}.ds-stage-banner{background:var(--ds-color-paris-90);border-bottom:.0625rem solid var(--ds-color-paris-85);border-top:.0625rem solid var(--ds-color-paris-85);-webkit-box-sizing:border-box;box-sizing:border-box;padding:.5rem var(--ds-grid-gap);width:100%}.ds-layout-stage-banner{align-items:center;display:flex;margin:0 auto}.ds-stage-banner__badge{align-items:center;background-color:var(--ds-color-chicago-20);-webkit-box-sizing:border-box;box-sizing:border-box;color:var(--ds-color-london-100);display:inline-flex;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale--1);font-weight:700;height:2rem;letter-spacing:.04rem;line-height:var(--ds-type-leading-border-link);margin:0 1rem 0 0;padding:.375rem .75rem;text-transform:uppercase}.ds-stage-banner__text{color:var(--ds-color-london-5);font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-0);font-weight:400;line-height:var(--ds-type-leading-lower)}.ds-stage-banner__text b,.ds-stage-banner__text strong{font-weight:700}.ds-stage-banner__text em,.ds-stage-banner__text i{font-style:italic}.ds-stage-banner__text a{border-bottom:.0625rem solid var(--ds-color-chicago-45);color:var(--ds-color-london-5);text-decoration:none;-webkit-transition:all var(--ds-interactions-transition);transition:all var(--ds-interactions-transition);will-change:border-color,color}.ds-stage-banner__text a:hover{border-bottom-color:var(--ds-color-chicago-30);color:var(--ds-color-chicago-30)}.ds-stage-banner__text a:focus{border-bottom-color:transparent;-webkit-box-shadow:0 0 0 .0625rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .0625rem var(--ds-color-hong-kong-55);outline:solid transparent}.ds-stage-banner__text a:active{border-bottom-color:var(--ds-color-hong-kong-55);-webkit-box-shadow:none;box-shadow:none;color:var(--ds-color-london-5)}@media (min-width:37.5rem){.ds-stage-banner{padding-left:var(--ds-grid-gutter);padding-right:var(--ds-grid-gutter)}}.ds-status-alert{align-items:center;border:.0625rem solid var(--ds-color-london-35);-webkit-box-sizing:border-box;box-sizing:border-box;display:inline-flex;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-0);font-weight:500;height:1.875rem;line-height:var(--ds-type-leading-lower);padding:.25rem .75rem;position:relative}.ds-status-alert--error,.ds-status-alert--success,.ds-status-alert--warning{padding-left:.5rem}.ds-status-alert--error:before,.ds-status-alert--success:before,.ds-status-alert--warning:before{background-repeat:no-repeat;background-size:1.25rem;content:"";height:1.25rem;margin:0 .375rem 0 0;width:1.25rem}.ds-status-alert--error{border-color:var(--ds-color-tokyo-55)}.ds-status-alert--error:before{background-image:url(https://cdn.design-system.economist.com/assets/5.87.0/common/static/images/icons/material-alert--error.svg)}.ds-status-alert--success{border:.0625rem solid var(--ds-color-chicago-55)}.ds-status-alert--success:before{background-image:url(https://cdn.design-system.economist.com/assets/5.87.0/common/static/images/icons/material-alert--success.svg)}.ds-status-alert--warning{border-color:var(--ds-color-singapore-55)}.ds-status-alert--warning:before{background-image:url(https://cdn.design-system.economist.com/assets/5.87.0/common/static/images/icons/material-alert--warning.svg)}.ds-tab-item{align-items:center;cursor:pointer;display:inline-flex;margin:0 2rem 0 0}.ds-tab-item__link{background:none;border:solid transparent;border-width:0 0 .1875rem;color:var(--ds-color-london-5);font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-1);font-weight:400;line-height:var(--ds-type-leading-lower);margin:0;padding:.5rem 0 .25rem;text-decoration:none;-webkit-transition:background var(--ds-interactions-transition),border-color var(--ds-interactions-transition);transition:background var(--ds-interactions-transition),border-color var(--ds-interactions-transition)}.ds-tab-item__link:hover{border-bottom-color:var(--ds-color-london-85)}.ds-tab-item__link:focus{background:var(--ds-color-london-95);outline:solid transparent}.ds-tab-item__link:active{background:none;border-bottom-color:var(--ds-color-hong-kong-55)}.ds-tab-item__link--selected{font-weight:700}.ds-tab-item__link--selected,.ds-tab-item__link--selected:hover{border-bottom-color:var(--ds-color-economist-red)}.ds-tab-item__link--selected:focus{background:var(--ds-color-london-95);outline:solid transparent}.ds-tab-item__link--selected:active{background:none;border-bottom-color:var(--ds-color-hong-kong-55)}@media (max-width:37.4375rem){.ds-tab-list--adjacent .ds-tab-item{margin-bottom:.5rem}.ds-tab-list--adjacent .ds-tab-item:first-child{margin-top:.5rem}.ds-tab-item__link--adjacent{border-width:0 0 0 .1875rem;padding-bottom:.4375rem;padding-left:.5rem}.ds-tab-item__link--adjacent.ds-tab-item__link--selected,.ds-tab-item__link--adjacent.ds-tab-item__link--selected:hover{border-left-color:var(--ds-color-economist-red)}.ds-tab-item__link--adjacent.ds-tab-item__link--selected:active{border-left-color:transparent}.ds-tab-item__link--adjacent:hover{border-left-color:var(--ds-color-london-85)}.ds-tab-item__link--adjacent:active{border-left-color:var(--ds-color-hong-kong-55)}}@media (min-width:37.5rem){.ds-tab-item{margin-right:2.5rem}.ds-tab-item__link{font-size:var(--ds-type-scale-2);padding:.75rem 0 .375rem}}@media (min-width:60rem){.ds-tab-item__link:not(.ds-tab-item__link--minor){border-width:0 0 .25rem;font-size:var(--ds-type-scale-3);line-height:var(--ds-type-leading-upper);padding:1rem 0 .5rem}}.ds-table{font-family:var(--ds-type-system-sans-lining);font-size:var(--ds-type-scale-0);line-height:var(--ds-type-leading-lower);max-width:100%;width:100%}.ds-table td{border-bottom:var(--ds-border-rule)}.ds-table td,.ds-table th{padding:.75rem var(--ds-grid-gap) .75rem 0}.ds-table th{border-bottom:var(--ds-border-rule--emphasised);font-weight:700;text-align:left}.ds-table--scroll{overflow-x:auto;width:100%}@media (max-width:37.4375rem){.ds-table-collapse thead{border:none;clip:rect(.0625rem,.0625rem,.0625rem,.0625rem);height:.0625rem;overflow:hidden;position:absolute;visibility:hidden;width:.0625rem}.ds-table-collapse tr{border-top:var(--ds-border-rule--emphasised)}.ds-table-collapse td{display:block}.ds-table-collapse td:before{content:attr(data-label);float:left;font-weight:700;min-width:10rem}}.ds-tab-list{border-bottom:var(--ds-border-rule);border-top:var(--ds-border-rule--emphasised);display:flex}@media (max-width:37.4375rem){.ds-tab-list--adjacent{flex-direction:column}}.ds-tag{align-items:center;background-color:var(--ds-color-economist-red);border-radius:1rem;-webkit-box-shadow:0 1px 0 #aa0e08;box-shadow:0 1px 0 #aa0e08;-webkit-box-sizing:border-box;box-sizing:border-box;color:var(--ds-color-london-100);display:inline-flex;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale--1);font-weight:700;height:1.75rem;line-height:var(--ds-type-leading-border-link);padding:.25rem .75rem}.ds-tooltip{display:inline-flex;position:relative}.ds-tooltip-label{align-items:center;color:var(--ds-color-london-5);cursor:pointer;display:flex;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-0);font-weight:500;line-height:var(--ds-type-leading-lower)}.ds-tooltip-label--right{flex-direction:row-reverse}.ds-tooltip-label--inverse,.ds-tooltip__balloon{color:var(--ds-color-london-100)}.ds-tooltip__balloon{background-color:var(--ds-color-london-20);border-radius:.25rem;-webkit-box-sizing:border-box;box-sizing:border-box;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-0);font-weight:400;line-height:var(--ds-type-leading-lower);min-height:1.375rem;min-width:8rem;padding:.3125rem .75rem;position:absolute;text-align:center;visibility:hidden}.ds-tooltip__balloon:after{border:.5rem solid transparent;content:" ";position:absolute}.ds-tooltip__balloon--inverse{background-color:var(--ds-color-london-100);color:var(--ds-color-london-20)}.ds-tooltip__balloon--north{left:50%;top:calc(100% + .75rem);-webkit-transform:translateX(-50%);transform:translateX(-50%)}.ds-tooltip__balloon--north:after{border-bottom-color:var(--ds-color-london-20);bottom:100%;left:50%;margin-left:-.5rem}.ds-tooltip__balloon--north.ds-tooltip__balloon--inverse:after{border-bottom-color:var(--ds-color-london-100)}.ds-tooltip__balloon--south{bottom:calc(100% + .75rem);left:50%;-webkit-transform:translateX(-50%);transform:translateX(-50%)}.ds-tooltip__balloon--south:after{border-top-color:var(--ds-color-london-20);left:50%;margin-left:-.5rem;top:100%}.ds-tooltip__balloon--south.ds-tooltip__balloon--inverse:after{border-top-color:var(--ds-color-london-100)}.ds-tooltip__balloon--east{right:calc(100% + .75rem);top:50%;-webkit-transform:translateY(-50%);transform:translateY(-50%)}.ds-tooltip__balloon--east:after{border-left-color:var(--ds-color-london-20);left:100%;top:calc(50% - .5rem)}.ds-tooltip__balloon--east.ds-tooltip__balloon--inverse:after{border-left-color:var(--ds-color-london-100)}.ds-tooltip__balloon--west{left:calc(100% + .75rem);top:50%;-webkit-transform:translateY(-50%);transform:translateY(-50%)}.ds-tooltip__balloon--west:after{border-right-color:var(--ds-color-london-20);right:100%;top:calc(50% - .5rem)}.ds-tooltip__balloon--west.ds-tooltip__balloon--inverse:after{border-right-color:var(--ds-color-london-100)}.ds-tooltip-button{-moz-appearance:none;-webkit-appearance:none;appearance:none;background:none;border:none;border-radius:50%;-webkit-box-shadow:none;box-shadow:none;-webkit-box-sizing:border-box;box-sizing:border-box;cursor:pointer;display:inline-flex;height:1.25rem;justify-content:center;margin:0 0 0 .5rem;padding:0;position:relative;width:1.25rem}.ds-tooltip-button .path-background{-webkit-transition:fill var(--ds-interactions-transition);transition:fill var(--ds-interactions-transition);will-change:fill}.ds-tooltip-button:hover .path-background{fill:var(--ds-color-london-5)}.ds-tooltip-button:hover .ds-tooltip__balloon{visibility:visible}.ds-tooltip-button:focus{outline:solid transparent}.ds-tooltip-button:focus .path-background{stroke:var(--ds-color-hong-kong-55);stroke-width:2}.ds-tooltip-button:focus .ds-tooltip__balloon{visibility:visible}.ds-tooltip-button:active .path-background{fill:var(--ds-color-london-5);stroke:var(--ds-color-hong-kong-55);stroke-width:2}.ds-tooltip-button.ds-tooltip-button--inverse .path-background{fill:var(--ds-color-london-100)}.ds-tooltip-button.ds-tooltip-button--inverse .path-foreground{fill:var(--ds-color-london-20)}.ds-tooltip-button.ds-tooltip-button--inverse:hover .path-background{fill:hsla(var(--ds-color-hsl-london-100),.85)}.ds-tooltip-button.ds-tooltip-button--inverse:focus .path-background{fill:var(--ds-color-london-100)}.ds-tooltip-button.ds-tooltip-button--inverse:active .path-background{fill:hsla(var(--ds-color-hsl-london-100),.85)}.ds-tooltip-button--left{margin:0 .5rem 0 0}#__next #script-microapp{margin-bottom:3rem}footer,main{position:relative;margin-left:auto;margin-right:auto;top:6.75rem;left:0;right:0}.ds-masthead{width:100%;position:absolute;top:0;background:transparent;padding:1rem 0 2rem;z-index:1}.ds-masthead.is-open{overflow-x:hidden;z-index:98}@media (min-width:37.5rem){footer,main{top:7.75rem}}@media (min-width:60rem){footer,main{top:8.5rem}}@media (min-width:22.5rem){.ds-masthead{padding-top:1.25rem;margin-bottom:1rem}}@media (min-width:37.5rem){.ds-masthead{margin-bottom:1.5rem;padding-bottom:1.5rem;padding-top:1.25rem}.ds-masthead.is-open{height:auto;position:absolute}}@media (min-width:60rem){.ds-masthead{padding-top:1.5rem}}.advert.top{padding-top:1rem;min-height:18.8125rem}@media (max-width:979px){.advert.top{margin:0;height:0!important;min-height:0!important;overflow:hidden;padding:0;border:none!important}}.ds-layout-grid{display:grid;grid-auto-flow:row;grid-column-gap:var(--ds-grid-gutter);margin-left:auto;margin-right:auto;max-width:89.5rem;position:relative}.ds-layout-grid--edged{padding-left:var(--ds-grid-gap);padding-right:var(--ds-grid-gap)}@media (min-width:37.5rem){.ds-layout-grid{grid-template:auto/repeat(6,1fr)}.ds-layout-grid--edged{padding-left:var(--ds-grid-gutter);padding-right:var(--ds-grid-gutter)}}@media (min-width:60rem){.ds-layout-grid{grid-template:auto/repeat(12,1fr)}}:root{--mobile-nav-width:2rem;--scroll-margin:5px}.term-item{max-width:700px;margin:0 auto;padding:0 calc(var(--ds-grid-gutter) + var(--mobile-nav-width)) 0 var(--ds-grid-gutter)}@media(min-width:700px){:root{--scroll-margin:92px}.term-item{padding:0 var(--ds-grid-gutter)}}a[data-oil-value]{cursor:pointer}dd.svelte-po9bzm.svelte-po9bzm,dt.svelte-po9bzm.svelte-po9bzm{font-family:var(--ds-type-system-serif);line-height:var(--ds-type-leading-lower);font-size:var(--ds-type-scale-1);scroll-margin-top:var(--scroll-margin)}dt.svelte-po9bzm.svelte-po9bzm{margin-top:1.875rem;font-weight:700}@media(min-width:40rem){dd.svelte-po9bzm.svelte-po9bzm,dt.svelte-po9bzm.svelte-po9bzm{font-size:var(--ds-type-scale-2)}}dd.svelte-po9bzm a{border-bottom:solid var(--ds-color-chicago-45);border-width:.125rem;color:var(--ds-color-london-5);text-decoration:none;-webkit-transition:border-color var(--ds-interactions-transition),color var(--ds-interactions-transition);transition:border-color var(--ds-interactions-transition),color var(--ds-interactions-transition)}dd.svelte-po9bzm a:hover{border-color:var(--ds-color-chicago-30);color:var(--ds-color-chicago-30)}dd.svelte-po9bzm a:focus{border-bottom-color:transparent;-webkit-box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);outline:solid transparent}dd.svelte-po9bzm a:active{border-bottom-color:var(--ds-color-hong-kong-55);-webkit-box-shadow:none;box-shadow:none;color:var(--ds-color-london-5)}dt.svelte-po9bzm a.svelte-po9bzm{scroll-margin-top:var(--scroll-margin);font-weight:300;font-family:monospace;background-color:var(--ds-color-chicago-90)}dd.svelte-po9bzm em,dd.svelte-po9bzm i{font-style:italic}dd.svelte-po9bzm small{color:var(--ds-color-london-5);display:inline;font-family:var(--ds-type-system-serif-smallcaps);font-size:inherit;font-feature-settings:none;font-variant-ligatures:none;font-weight:400;line-height:var(--ds-type-leading-lower);text-transform:lowercase}.page-header.svelte-rzbsi9.svelte-rzbsi9{margin:0 auto 2rem;font-family:var(--ds-type-system-serif);text-align:center;padding-bottom:2rem;border-bottom:1px solid var(--ds-color-london-85)}.header-video.svelte-rzbsi9.svelte-rzbsi9{max-width:500px;max-height:300px}.header-text.svelte-rzbsi9.svelte-rzbsi9{margin:0 var(--ds-grid-gutter)}.header-text.svelte-rzbsi9 h1.svelte-rzbsi9{font-size:var(--ds-type-scale-7);line-height:var(--ds-type-leading-upper)}.header-text.svelte-rzbsi9 h2.svelte-rzbsi9{font-size:var(--ds-type-scale-1);line-height:var(--ds-type-leading-lower)}@media(min-width:700px){.page-header.svelte-rzbsi9.svelte-rzbsi9{max-width:1192px}.header-block.svelte-rzbsi9.svelte-rzbsi9{display:flex;flex-direction:row;justify-content:center;align-items:center;grid-gap:var(--ds-grid-gutter);gap:var(--ds-grid-gutter);margin:0 var(--ds-grid-gutter)}.video-container.svelte-rzbsi9.svelte-rzbsi9{flex:0 1 500px}.header-video.svelte-rzbsi9.svelte-rzbsi9{max-height:unset;width:100%}.header-text.svelte-rzbsi9.svelte-rzbsi9{max-width:25rem;text-align:left;line-height:var(--ds-type-leading-upper);flex:0 1 500px;margin:0}.header-text.svelte-rzbsi9 h1.svelte-rzbsi9{font-size:var(--ds-type-scale-10);margin-bottom:1.875rem}.header-text.svelte-rzbsi9 h2.svelte-rzbsi9{font-size:var(--ds-type-scale-2)}}.letter-nav.svelte-9vtcwc.svelte-9vtcwc{font-family:var(--ds-type-system-sans);position:sticky;top:0;left:calc(100% - var(--mobile-nav-width));margin-right:calc(-1 * var(--mobile-nav-width));width:var(--mobile-nav-width);background-color:#fff;text-align:center;display:flex;flex-direction:column;height:100dvh;justify-content:center;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;float:left}.letter-nav.fixed.svelte-9vtcwc.svelte-9vtcwc{position:fixed}.letter-nav.svelte-9vtcwc a.svelte-9vtcwc{text-decoration:none;color:var(--ds-color-london-5);display:block;padding:.15rem .2rem}.letter-nav.svelte-9vtcwc a.active.svelte-9vtcwc{color:var(--ds-color-economist-red-60)}@media(min-width:700px){.letter-nav.svelte-9vtcwc.svelte-9vtcwc{border-bottom:1px solid var(--ds-color-london-85);padding:2rem 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solid var(--ds-color-london-35);-webkit-box-sizing:border-box;box-sizing:border-box;display:flex;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-0);font-weight:400;justify-content:space-between;line-height:var(--ds-type-leading-lower);padding:.625rem .75rem .625rem .5rem;position:relative}.ds-banner-alert p{flex:1 1}.ds-banner-alert strong{font-weight:500}.ds-banner-alert .ds-control-close{flex:0 0 1.5rem;height:1.5rem;margin:0 0 0 auto;width:1.5rem}.ds-banner-alert-inner{display:flex;width:100%}.ds-banner-alert--error:before,.ds-banner-alert--success:before,.ds-banner-alert--warning:before{background-repeat:no-repeat;background-size:1.25rem;content:"";flex:0 0 1.25rem;height:1.25rem;margin:0 .5rem 0 .125rem;width:1.25rem}.ds-banner-alert--error{background-color:var(--ds-color-tokyo-90);border-left-color:var(--ds-color-tokyo-55)}.ds-banner-alert--error:before{background-image:url(https://cdn.design-system.economist.com/assets/5.87.0/common/static/images/icons/material-alert--error.svg)}.ds-banner-alert--success{background-color:var(--ds-color-chicago-90);border-left-color:var(--ds-color-chicago-55)}.ds-banner-alert--success:before{background-image:url(https://cdn.design-system.economist.com/assets/5.87.0/common/static/images/icons/material-alert--success.svg)}.ds-banner-alert--warning{background-color:var(--ds-color-singapore-90);border-left-color:var(--ds-color-singapore-55)}.ds-banner-alert--warning:before{background-image:url(https://cdn.design-system.economist.com/assets/5.87.0/common/static/images/icons/material-alert--warning.svg)}@media (max-width:37.4375rem){.ds-banner-alert strong{display:block}.ds-banner-alert-inner{flex-direction:column}.ds-banner-alert-button{padding:.5rem 0 0}}@media (min-width:37.5rem){.ds-banner-alert{padding-bottom:.5rem;padding-top:.5rem}.ds-banner-alert,.ds-banner-alert-inner{align-items:center}.ds-banner-alert-button{padding:0 1rem}}.ds-inline-alert{align-items:center;border-left:.25rem solid var(--ds-color-london-35);-webkit-box-sizing:border-box;box-sizing:border-box;color:var(--ds-color-london-5);display:inline-flex;flex-wrap:wrap;font-family:var(--ds-type-system-sans);font-size:var(--ds-type-scale-0);font-weight:400;line-height:var(--ds-type-leading-lower);min-height:1.5rem;padding:.125rem 0 .125rem .5rem;position:relative}.ds-inline-alert__lede{font-weight:500;margin:0 .25rem 0 0}.ds-inline-alert--error{border-left-color:var(--ds-color-tokyo-55)}.ds-inline-alert--success{border-left-color:var(--ds-color-chicago-55)}.ds-inline-alert--warning{border-left-color:var(--ds-color-singapore-55)}:root{--ds-grid-gap:0.75rem;--ds-grid-gutter:1.5rem}@media (min-width:60rem){:root{--ds-grid-gap:1rem;--ds-grid-gutter:2rem}}.ds-form-field-layout{position:relative}.ds-form-field-layout--adjacent{align-items:baseline;display:flex;max-width:33rem}.ds-form-field-layout--adjacent .ds-form-label{margin-right:var(--ds-grid-gap)}.ds-form-input{-moz-appearance:none;-webkit-appearance:none;appearance:none;background-color:var(--ds-color-london-100);border:.0625rem solid var(--ds-color-london-35);border-radius:.25rem;-webkit-box-sizing:border-box;box-sizing:border-box;color:var(--ds-color-london-5);display:block;font-family:var(--ds-type-system-sans-lining);font-size:var(--ds-type-scale-0);font-weight:400;height:2.5rem;line-height:var(--ds-type-leading-lower);margin:0;max-width:33rem;padding:.375rem var(--ds-grid-gap);width:100%}.ds-form-input ::-webkit-input-placeholder{color:var(--ds-color-london-35)}.ds-form-input :-ms-input-placeholder{color:var(--ds-color-london-35)}.ds-form-input ::placeholder{color:var(--ds-color-london-35)}.ds-form-input:focus{border-color:var(--ds-color-london-5);-webkit-box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);box-shadow:0 0 0 .125rem var(--ds-color-hong-kong-55);outline:solid transparent}.ds-form-input:disabled{background-color:var(--ds-color-london-95);border:none;color:hsla(var(--ds-color-hsl-london-5),.5);cursor:not-allowed}.ds-form-input--inverse{border:.0625rem solid var(--ds-color-london-95)}.ds-form-input--invalid{border-color:var(--ds-color-tokyo-55);-webkit-box-shadow:0 0 0 .0625rem var(--ds-color-tokyo-55);box-shadow:0 0 0 .0625rem var(--ds-color-tokyo-55)}.ds-number-input{-moz-appearance:textfield;padding-right:var(--ds-grid-gutter)}.ds-number-input::-webkit-inner-spin-button,.ds-number-input::-webkit-outer-spin-button{display:none}.ds-date-input{background-image:url(https://cdn.design-system.economist.com/assets/5.87.0/common/static/images/icons/material-date-range.svg);background-position-x:calc(100% - var(--ds-grid-gap));background-position-y:.5rem;background-repeat:no-repeat;background-size:1.5rem 1.5rem}.ds-date-input::-webkit-calendar-picker-indicator{opacity:0}.ds-date-input::-webkit-clear-button,.ds-date-input::-webkit-inner-spin-button{display:none}.ds-date-input:disabled{background-image:url(https://cdn.design-system.economist.com/assets/5.87.0/common/static/images/icons/material-date-range--disabled.svg)}.ds-text-area{height:auto;min-height:7rem;padding:.75rem var(--ds-grid-gap)}.ds-form-field-select{background:linear-gradient(var(--ds-color-london-100),var(--ds-color-london-100)) no-repeat right 3.75rem center,linear-gradient(-135deg,transparent 50%,var(--ds-color-london-100) 0) no-repeat right .75rem bottom .25rem,linear-gradient(-225deg,transparent 50%,var(--ds-color-london-100) 0) no-repeat right .75rem bottom .25rem,linear-gradient(var(--ds-color-london-100) 55%,var(--ds-color-london-5) 0) no-repeat right .75rem bottom .25rem;background-size:.0625rem 100%,1.25rem 1.375rem,1.25rem 1.375rem,1.25rem 100%}.ds-form-field-select:active,.ds-form-field-select:focus,.ds-form-field-select:hover{background-image:linear-gradient(var(--ds-color-london-100),var(--ds-color-london-100)),linear-gradient(-135deg,transparent 50%,var(--ds-color-london-100) 0),linear-gradient(-225deg,transparent 50%,var(--ds-color-london-100) 0),linear-gradient(var(--ds-color-london-100) 55%,var(--ds-color-london-5) 0)}.ds-form-field-select:disabled{background-image:linear-gradient(var(--ds-color-london-95),var(--ds-color-london-95)),linear-gradient(-135deg,transparent 50%,var(--ds-color-london-95) 0),linear-gradient(-225deg,transparent 50%,var(--ds-color-london-95) 0),linear-gradient(var(--ds-color-london-95) 55%,var(--ds-color-london-70) 0)}.ds-form-input--slim{height:2.25rem}.ds-form-input--slim.ds-date-input{background-position-y:.3rem}.ds-form-input--slim.ds-form-field-select{background-size:.0625rem 100%,1.725rem 1.375rem,1.25rem 1.375rem,1.25rem 100%}.ds-form-helper-text+.ds-form-input,.ds-form-label+.ds-form-field-combined-input,.ds-form-label+.ds-form-input{margin:.375rem 0 0}.ds-form-input+.ds-form-input{margin:1rem 0 0}