:root{--bg:#f3efe8;--paper:#fffdf9;--ink:#203247;--muted:#66788a;--gold:#b9923f;--line:#e3d7c3}
*{box-sizing:border-box}
body{margin:0;background:linear-gradient(180deg,#efe7dc,#f7f3ee);font:16px/1.7,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink)}
.paper{max-width:980px;margin:24px auto;padding:36px 44px;background:var(--paper);border:1px solid #eadfcf;border-radius:18px;box-shadow:0 20px 50px rgba(34,48,72,.08)}
.letterhead,.parties,.siggrid{display:grid;gap:18px}
.letterhead{grid-template-columns:1.4fr 1fr;align-items:start;border-bottom:2px solid var(--line);padding-bottom:18px;margin-bottom:20px}
.brand{display:flex;gap:16px;align-items:center}
.mark{width:64px;height:64px;border-radius:18px;background:#10243b;color:#fff;display:grid;place-items:center;font-size:24px;font-weight:800;letter-spacing:.08em}
.name{font-size:26px;font-weight:800;line-height:1.15}.tag{color:var(--muted);font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.docmeta{justify-self:end;text-align:right;color:var(--muted);font-size:14px}
h1{font-size:34px;line-height:1.2;margin:8px 0 18px;font-family:Georgia,serif;color:#0c1f35}
h2{margin:24px 0 10px;font-size:22px;color:#173252}h3{margin:18px 0 8px;font-size:18px}
p{margin:0 0 12px}.summary,.risk,.legal-review,.footer-note{padding:14px 16px;border-radius:14px;border:1px solid var(--line);background:#faf7f1}
.parties{grid-template-columns:1fr 1fr;margin:18px 0}.party,.sigbox{padding:16px;border:1px solid var(--line);border-radius:14px;background:#fff}.party span,.sigbox strong{display:block}
.placeholder{background:#fff3c9;padding:0 4px;border-radius:6px}.siggrid{grid-template-columns:1fr 1fr;margin-top:22px}.footer-note{margin-top:18px;color:var(--muted);font-size:14px}
@media (max-width:800px){.paper{padding:24px}.letterhead,.parties,.siggrid{grid-template-columns:1fr}.docmeta{justify-self:start;text-align:left}}