/* Site 08 pc: technical docs, blue-gray, numbered spec */
:root { --navy: #243b53; --blue: #486581; --line: #9fb3c8; --bg: #f0f4f8; --ink: #102a43; }
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: Consolas, "Sarasa Gothic SC", "Microsoft YaHei", monospace;
  line-height: 1.7;
  font-size: 15px;
}
.doc-bar {
  background: var(--navy); color: #f0f4f8;
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 24px; border-bottom: 2px solid #829ab1;
}
.brand-name { font-weight: 700; }
.nav { display: flex; gap: 16px; }
.nav a { color: #d9e2ec; text-decoration: none; font-size: 13px; }
.nav a.is-on { color: #fff; outline: 1px solid #bcccdc; padding: 2px 6px; }
.hero {
  padding: 32px 24px 16px;
  border-bottom: 1px dashed var(--line);
  background: #d9e2ec;
}
.hero h1 { font-size: 26px; }
.hero .lead { margin: 12px 0 16px; max-width: 860px; }
.dl-row { display: flex; flex-wrap: wrap; gap: 8px; }
.btn-win, .btn-mac, .btn-ios, .btn-and {
  background: var(--navy); color: #fff; text-decoration: none; padding: 8px 12px; font-size: 13px;
}
.btn-mac, .btn-ios, .btn-and { background: #fff; color: var(--navy); border: 1px solid var(--navy); }
.sec { padding: 24px; border-bottom: 1px solid #d9e2ec; }
.sec h2 { font-size: 18px; margin-bottom: 10px; color: var(--navy); }
.sec h2::before { content: "§ "; color: var(--blue); }
.spec { font-family: "Segoe UI", sans-serif; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: #fff; font-family: "Segoe UI", sans-serif; }
th, td { border: 1px solid var(--line); padding: 7px 9px; text-align: left; }
th { background: #334e68; color: #fff; }
.quotes blockquote { background: #fff; border: 1px solid var(--line); padding: 12px; margin: 10px 0; }
.news-list { list-style: none; }
.news-list li { background: #fff; border: 1px solid #bcccdc; padding: 10px 12px; margin: 8px 0; }
.news-list time { color: var(--blue); font-size: 12px; }
.faq dt { font-weight: 700; margin-top: 12px; font-family: "Segoe UI", sans-serif; }
.faq dd { font-family: "Segoe UI", sans-serif; }
.steps { list-style: none; }
.steps li { display: grid; grid-template-columns: 36px 1fr; gap: 10px; margin: 8px 0; font-family: "Segoe UI", sans-serif; }
.steps .n { background: #334e68; color: #fff; display: grid; place-items: center; height: 28px; }
.foot { background: var(--navy); color: #d9e2ec; padding: 16px 24px; font-size: 12px; font-family: "Segoe UI", sans-serif; }
@media (max-width: 720px) {
  .doc-bar { flex-direction: column; align-items: flex-start; gap: 8px; }
}