:root { color-scheme: light; --ink: #18392f; --paper: #f6f4eb; --line: #cdd5c6; }
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: linear-gradient(135deg, #edf2e5, var(--paper) 45%); font: 17px/1.8 Georgia, 'Noto Serif CJK SC', 'Songti SC', serif; }
main { max-width: 850px; margin: auto; padding: 48px 28px 72px; }
header { padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.brand { font: 13px/1.5 monospace; letter-spacing: .18em; }
nav { display: flex; flex-wrap: wrap; gap: 12px 24px; }
a { color: #14694c; text-underline-offset: 4px; overflow-wrap: anywhere; }
a:focus-visible { outline: 3px solid #a9651f; outline-offset: 5px; }
h1 { font-size: clamp(32px, 6vw, 48px); line-height: 1.2; margin-bottom: 16px; }
h2 { font-size: 23px; line-height: 1.4; margin-top: 36px; }
p, li { overflow-wrap: anywhere; }
.meta, footer { font-size: 14px; color: #4b6055; }
aside { margin-top: 24px; padding: 16px 20px; border-left: 4px solid #a9651f; background: #fff3d9; }
footer { margin-top: 48px; border-top: 1px solid var(--line); padding-top: 20px; }
@media (max-width: 480px) { main { padding: 28px 20px 48px; } body { font-size: 16px; } }
@media print { body { background: white; color: black; } main { max-width: none; padding: 0; } nav { display: none; } h2 { break-after: avoid; } }