:root { --navy:#183542; --navy-soft:#e6f0f1; --orange:#167c80; --orange-soft:#e4f3f1; --green:#28765e; }
.brand-mark,.mini-mark { background:var(--orange); border-radius:7px; font-style:normal; }
.formula-card { background:linear-gradient(145deg,#183542,#102a35); box-shadow:18px 18px 0 #d9eeeb; }
.formula-card>div { font-size:2.25rem; font-style:normal; letter-spacing:-.04em; }
.formula-orbit { color:#69c6c1!important; }
.topic-symbol { color:var(--orange); }
.solution-work { background:#eff6f4; }