:root{--bg:#FDF8EC;--ink:#1F4D2B;--muted:#4E6B52;--card:#FFFFFF;--accent:#2E7D3A;--line:#E3E9D8}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 -apple-system,BlinkMacSystemFont,"PingFang TC","Noto Sans TC","Helvetica Neue",Arial,sans-serif}
main{max-width:760px;margin:0 auto;padding:40px 20px 80px}
header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:28px}
.brand{font-weight:800;font-size:28px;letter-spacing:.5px;color:var(--ink);text-decoration:none}
nav a{color:var(--accent);font-weight:700;text-decoration:none;margin-left:16px}
nav a:hover{text-decoration:underline}
h1{font-size:34px;line-height:1.2;margin:0 0 6px}
h2{font-size:20px;margin:28px 0 6px}
.meta{color:var(--muted);margin:0 0 20px}
section{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px 24px;margin-bottom:28px}
a{color:var(--accent)}
p{margin:0 0 12px}
footer{color:var(--muted);font-size:14px;text-align:center}