/* PULSO visual hierarchy. Scoped presentation only, scientific colors unchanged. */
:root{--ux-paper:#fff;--ux-page:#F5F7FC;--ux-border:#DCE3EF;--ux-text:#18274D;--ux-muted:#50617F;--ux-radius:20px}
html{scroll-padding-top:88px}body{background:var(--ux-page);font-size:16px;line-height:1.6}.shell{max-width:1320px;padding:0 32px}button,input,select,summary,a{touch-action:manipulation}[hidden]{display:none!important}
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