:root { font-family: SUSE, sans-serif; color: #0c322c; background: #edf3f0; font-size: 20px; }
* { box-sizing: border-box; }
body { margin: 0; }
a { color: #176345; text-underline-offset: .2em; }
a:focus-visible { outline: 3px solid #fe7c3f; outline-offset: 4px; }
header, footer { max-width: 1100px; margin: auto; padding: 1rem 2rem; display: flex; gap: 1.5rem; font-size: .8rem; }
header span { margin-right: auto; }
main { max-width: 1100px; margin: auto; }
section { background: white; border-top: 7px solid #30ba78; margin: 0 0 2rem; padding: 2rem 3rem; min-height: 680px; display: flex; flex-direction: column; justify-content: center; scroll-margin-top: 1rem; }
h1, h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); line-height: 1.15; margin: .6rem 0 1rem; max-width: 20ch; }
p, li { line-height: 1.5; }
li + li { margin-top: .65rem; }
.number { color: #527065; font-size: .8rem; margin: 0; }
.note { color: #53675e; font-size: .8rem; border-left: 3px solid #c5d8ce; padding-left: 1rem; }
.equation { background: #edf6f0; border-radius: 5px; padding: 1.2rem; font-weight: 600; margin: 1rem 0; }
pre { font-family: monospace; font-size: .85rem; line-height: 1.5; overflow-x: auto; padding: 1rem; background: #f4f7f5; }
table { border-collapse: collapse; font-size: .9rem; }
th, td { border-bottom: 1px solid #d4e0d9; text-align: left; vertical-align: top; padding: .7rem; }
th { background: #edf6f0; }
@media (max-width: 650px) { :root { font-size: 17px; } section { padding: 1.5rem 1rem; min-height: auto; } header, footer { padding: 1rem; flex-wrap: wrap; } }
@media print { @page { size: A4 landscape; margin: 12mm; } :root { font-size: 16px; background: white; } header, footer { display: none; } section { break-after: page; min-height: 0; height: 180mm; padding: 8mm 12mm; margin: 0; border-top: 5px solid #30ba78; } section:last-child { break-after: auto; } h1, h2 { font-size: 32px; } pre { font-size: 14px; } }