:root{--c-bg:#faf9f7;--c-ink:#1c1b1a;--c-accent:#b4552d;--c-muted:#6b6a67;--c-line:#e5e2de}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:var(--c-ink);background:var(--c-bg);line-height:1.6}.site-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;border-bottom:1px solid var(--c-line);background:#fff}.brand{font-weight:700}.brand,.site-header nav a{text-decoration:none;color:var(--c-ink)}.site-header nav a{margin-left:1rem}.site-header nav a:hover{color:var(--c-accent)}main{max-width:960px;margin:0 auto;padding:2rem 1.5rem}.doc-title{font-size:2.2rem;line-height:1.2}.doc-section{margin:1.5rem 0}.doc-image{max-width:100%;height:auto;border-radius:6px}.doc-excerpt{font-size:1.1rem;color:var(--c-muted)}.doc-price{font-size:1.3rem;font-weight:700}.note{background:#fff7ed;border:1px solid #fed7aa;border-radius:6px;padding:.75rem 1rem;margin:1rem 0;font-size:.9rem}.site-footer{border-top:1px solid var(--c-line);padding:1.5rem;text-align:center;color:var(--c-muted);font-size:.9rem}