:root{--bg:#f7f4ee;--paper:#fffdf8;--ink:#1d1a16;--muted:#6f675b;--line:#d8ccb9;--accent:#7a4a1d;--accent2:#1d4d66}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Georgia,'Times New Roman',serif;line-height:1.55}.wrap{max-width:1160px;margin:0 auto;padding:34px 18px 56px}.hero{background:linear-gradient(135deg,#fffdf8,#efe4d4);border:1px solid var(--line);border-radius:18px;padding:34px 28px;margin-bottom:24px;box-shadow:0 12px 40px rgba(40,28,12,.08)}.tag{letter-spacing:.12em;text-transform:uppercase;color:var(--accent);font-size:.78rem;font-weight:bold}h1{font-size:clamp(2rem,5vw,4.1rem);line-height:1.03;margin:.25em 0 .2em}.sub{max-width:860px;color:var(--muted);font-size:1.08rem}.nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.btn{display:inline-block;border:1px solid var(--accent);border-radius:999px;padding:9px 15px;text-decoration:none;color:var(--accent);background:#fffaf0}.btn:hover{background:var(--accent);color:white}section{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:24px;margin:18px 0}h2{font-size:1.8rem;margin:.05em 0 .5em;border-bottom:1px solid var(--line);padding-bottom:.35em}h3{margin:1.2em 0 .4em;color:var(--accent2)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}.card{border:1px solid var(--line);border-radius:14px;padding:16px;background:#fff}.card b{display:block;font-size:1.02rem}.card small{display:block;color:var(--muted);margin:.35em 0 .9em}.links{display:flex;gap:8px;flex-wrap:wrap}.pdf{font-family:system-ui,-apple-system,Segoe UI,sans-serif;text-decoration:none;border:1px solid #bfa27d;border-radius:8px;padding:6px 9px;color:#5b3512;background:#fffaf3;font-size:.9rem}.pdf:hover{background:#5b3512;color:#fff}.note{color:var(--muted);font-size:.96rem}.foot{color:var(--muted);font-size:.9rem;margin-top:24px}.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9em}


/* v6.2 inline PDF viewer - additive styles, base design unchanged */
.viewer{background:#fffdf8;border:1px solid var(--line);border-radius:16px;padding:18px;margin:18px 0;box-shadow:0 10px 28px rgba(40,28,12,.07)}
.viewerbar{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-bottom:12px}
.viewerbar strong{font-size:1.05rem;color:var(--accent2)}
.viewerbar .pdf{font-size:.86rem}.viewerframe{width:100%;height:78vh;min-height:560px;border:1px solid var(--line);border-radius:12px;background:#f5efe4}
.pdf.active{background:#5b3512;color:#fff}.hint{color:var(--muted);font-size:.94rem;margin-top:10px}