.stu{--stu-bg:#fbf8f2;--stu-soft:#e8f0ec;--stu-ink:#14302c;--stu-mute:#4d5f5b;--stu-line:#d8dfda;--stu-brand:#0f5c53;--stu-deep:#0d3b36;--stu-accent:#a8431f;--stu-err:#a3261b;--stu-serif:Georgia, "Times New Roman", serif;background:var(--stu-bg);color:var(--stu-ink);font-family:var(--font-inter), system-ui, sans-serif;min-height:100vh;line-height:1.6}.stu a:focus-visible,.stu button:focus-visible,.stu input:focus-visible,.stu select:focus-visible{outline:3px solid var(--stu-accent);outline-offset:2px}.stu-btn,.stu-btn-ghost{cursor:pointer;border-radius:999px;align-items:center;gap:.5rem;min-height:44px;padding:.6rem 1.1rem;font-weight:600;text-decoration:none;transition:background-color .2s,color .2s;display:inline-flex}.stu-btn{background:var(--stu-brand);color:#fff;border:2px solid var(--stu-brand)}.stu-btn:hover{background:var(--stu-deep);border-color:var(--stu-deep)}.stu-btn-ghost{color:var(--stu-brand);border:2px solid var(--stu-brand);background:0 0}.stu-btn-ghost:hover{background:var(--stu-soft)}.stu-skip{z-index:200;background:#fff;border-radius:8px;padding:.5rem 1rem;position:absolute;top:.5rem;left:-9999px}.stu-skip:focus{left:.5rem}.stu h1,.stu h2,.stu h3{font-family:var(--stu-serif);line-height:1.15}.stu-wrap{max-width:72rem;margin-inline:auto;padding-inline:1rem}@media (min-width:640px){.stu-wrap{padding-inline:1.5rem}}@media (prefers-reduced-motion:reduce){.stu *,.stu :before,.stu :after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media (min-width:768px){.stu .stu-menu-btn{display:none}}