:root{--ink:#16232e;--muted:#5b6570;--paper:#f5f3ee;--card:#fff;--blue:#345070;--amber:#c9852d;--red:#a23b2e;--line:#dedad0}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei",sans-serif;line-height:1.6}.brandbar{height:54px;background:var(--ink);color:#fff;padding:0 3vw;display:flex;align-items:center;justify-content:space-between;font-size:13px}.brandbar a{color:#fff;text-decoration:none}.intro{padding:50px 3vw 30px;max-width:1180px;margin:auto}.intro>p:first-child{color:var(--amber);font-size:11px;letter-spacing:.14em}.intro h1{font-family:serif;font-size:45px;margin:8px 0}.intro p{color:var(--muted);max-width:760px}.workspace{display:grid;grid-template-columns:minmax(300px,420px) minmax(520px,1fr);gap:24px;padding:0 3vw 70px;max-width:1500px;margin:auto}.panel{background:#fff;border:1px solid var(--line);padding:24px;align-self:start}.panel h2{margin-top:0}.panel label{display:block;font-size:13px;font-weight:700;margin:14px 0}.panel input,.panel textarea{display:block;width:100%;margin-top:6px;border:1px solid var(--line);padding:10px;font:inherit;font-size:13px;resize:vertical}.buttons,.toolbar{display:flex;gap:8px}button{border:1px solid var(--blue);background:var(--blue);color:#fff;padding:10px 16px;font:inherit;font-weight:700;cursor:pointer}.secondary{background:#fff;color:var(--blue)}.document-wrap{min-width:0}.toolbar{justify-content:flex-end;margin-bottom:10px}.document{background:#fff;width:min(100%,850px);min-height:1100px;margin:auto;padding:70px 72px;border:1px solid var(--line);box-shadow:0 8px 30px #16232e14;outline:none;font-family:"SimSun",serif}.document:focus{border-color:var(--amber)}.doc-head{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;border-bottom:3px solid var(--red);padding-bottom:10px}.document>h1{text-align:center;font-size:30px;margin:45px 0 5px}.document .company{text-align:center;color:var(--muted);margin-bottom:40px}.document h2{font-size:18px;margin:28px 0 10px}.document p{margin:8px 0}.document ol{padding-left:25px}.document blockquote{margin:35px 0 0;padding:18px 22px;background:#f6efe5;border-left:4px solid var(--amber)}.document blockquote h2{color:#74521f;margin-top:0}.sign-block{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;border-top:1px solid var(--ink);margin-top:50px;padding-top:24px}.sign-block span{font-weight:700}.sign-block small{display:block;font-weight:400;margin-top:18px}footer{background:var(--ink);color:#dbe1e5;padding:35px 3vw;font-size:12px}footer p{color:#aeb7be}footer nav{display:flex;gap:18px}footer a{color:#fff}@media(max-width:900px){.workspace{grid-template-columns:1fr}.document{padding:50px 40px}}@media(max-width:580px){.intro h1{font-size:35px}.workspace{padding-inline:12px}.document{padding:35px 22px;min-height:auto}.sign-block{grid-template-columns:1fr}.brandbar span{display:none}}@media print{body{background:#fff}.brandbar,.intro,.panel,.toolbar,footer{display:none!important}.workspace{display:block;padding:0}.document{border:0;box-shadow:none;width:100%;min-height:0;padding:0}.document-wrap{width:100%}@page{size:A4;margin:16mm}}