:root {
  --bg: #ffffff;
  --fg: #1d2330;
  --muted: #5d6675;
  --line: #e3e6eb;
  --card: #f7f8fa;
  --accent: #1f6feb;
  --accent-fg: #ffffff;
  --code: #eef1f5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --fg: #e6e8ec;
    --muted: #9aa3b0;
    --line: #2a2f37;
    --card: #1b1f26;
    --accent: #4c8dff;
    --accent-fg: #0b0d10;
    --code: #232831;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }
a { color: var(--accent); }
header { border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 56px; }
.brand { font-weight: 700; color: var(--fg); text-decoration: none; }
.lang a, .lang span { margin-left: 12px; font-size: 14px; }
.lang span { color: var(--muted); }
main { padding: 40px 0 56px; }
h1 { font-size: 30px; line-height: 1.25; margin: 0 0 12px; }
h2 { font-size: 21px; margin: 40px 0 12px; }
.lead { color: var(--muted); font-size: 18px; margin: 0 0 32px; }
.card {
  display: flex; gap: 20px; align-items: flex-start;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 20px; margin-bottom: 16px;
}
.card img { flex: none; width: 64px; height: 64px; }
.card h2 { margin: 0 0 4px; font-size: 20px; }
.card h2 a { color: var(--fg); text-decoration: none; }
.card p { margin: 0 0 12px; }
.meta { color: var(--muted); font-size: 14px; }
.btn {
  display: inline-block; background: var(--accent); color: var(--accent-fg);
  padding: 9px 18px; border-radius: 8px; text-decoration: none; font-weight: 600;
}
.btn + .btn-alt { margin-left: 12px; }
.title { display: flex; gap: 20px; align-items: center; margin-bottom: 24px; }
.title img { width: 64px; height: 64px; }
.title h1 { margin: 0; }
.title p { margin: 0; color: var(--muted); }
.download { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.download p { margin: 12px 0 0; }
.news {
  margin-top: 24px; padding: 4px 20px 16px;
  border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 12px;
}
.news h2 { margin: 16px 0 8px; }
.news ul { margin: 0 0 12px; padding-left: 20px; }
.news li { margin-bottom: 6px; }
.news summary { cursor: pointer; color: var(--muted); font-size: 15px; }
.news details ul { margin-top: 8px; font-size: 15px; }
.shot { margin: 0 0 20px; }
.shot img { display: block; max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 12px rgba(0, 0, 0, .18); }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
.table { overflow-x: auto; }
kbd, code {
  background: var(--code); border-radius: 4px; padding: 1px 5px;
  font: 14px ui-monospace, Consolas, monospace;
}
code { word-break: break-all; }
kbd { white-space: nowrap; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; padding: 20px 0 32px; }
footer a { color: var(--muted); }
@media (max-width: 520px) {
  h1 { font-size: 25px; }
  .card { flex-direction: column; gap: 12px; }
}