:root { color-scheme: light; --ink:#16202a; --muted:#4c5b68; --brand:#0f766e; --line:#d9e1e7; --paper:#fff; --bg:#f7f9fb; }
* { box-sizing: border-box; }
body { margin:0; font-family:Arial,"Microsoft YaHei",sans-serif; background:var(--bg); color:var(--ink); }
header, main, footer { max-width:900px; margin:0 auto; padding:24px 20px; }
header { display:flex; align-items:center; justify-content:space-between; gap:16px; }
header a, footer a { color:var(--brand); font-weight:700; text-decoration:none; }
article { background:var(--paper); border:1px solid var(--line); padding:28px; }
h1 { margin:0 0 8px; font-size:34px; }
h2 { margin-top:30px; font-size:22px; }
h3 { margin-top:22px; font-size:18px; }
p, li { color:var(--muted); line-height:1.75; }
.meta, .notice { padding:12px 14px; border-left:4px solid var(--brand); background:#eef8f6; }
.en { margin-top:36px; padding-top:24px; border-top:1px solid var(--line); }
nav { display:flex; flex-wrap:wrap; gap:12px; }
nav a { color:var(--brand); }
footer { font-size:14px; color:var(--muted); }
form { display:grid; gap:14px; margin-top:24px; }
label { color:var(--ink); font-weight:700; }
input[type="text"] { width:100%; padding:12px; border:1px solid var(--line); border-radius:6px; font:inherit; }
.checkbox-row { display:flex; align-items:flex-start; gap:10px; font-weight:400; line-height:1.5; }
button { justify-self:start; border:0; border-radius:6px; padding:12px 18px; background:var(--brand); color:white; font:inherit; font-weight:700; cursor:pointer; }
button:disabled { cursor:wait; opacity:.65; }
.honeypot { position:absolute; left:-10000px; width:1px; height:1px; overflow:hidden; }
#request-status { min-height:1.75em; font-weight:700; }
@media (max-width:600px) { article{padding:20px} h1{font-size:28px} header{align-items:flex-start;flex-direction:column} }