:root {
  --sky1: #2f9bf0;
  --sky2: #c8ecff;
  --yellow: #ffd23f;
  --dark: #2b2d42;
  --text: #2b2d42;
  --muted: #5a6b84;
  --card: #ffffff;
  --bg: #f4f9ff;
  --link: #2560c7;
  --radius: 20px;
  font-family: ui-rounded, 'SF Pro Rounded', 'Nunito', system-ui, -apple-system, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --text: #eef2f8;
    --muted: #a9b4c6;
    --card: #1d2233;
    --bg: #12151f;
    --link: #8ab8ff;
  }
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a {
  color: var(--link);
}
.hero {
  background: linear-gradient(var(--sky1), var(--sky2));
  color: #fff;
  text-align: center;
  padding: 56px 16px 72px;
}
.hero img.icon {
  width: 128px;
  height: 128px;
  border-radius: 28px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}
.hero h1 {
  font-size: clamp(40px, 9vw, 64px);
  margin: 16px 0 0;
  line-height: 1;
  color: var(--yellow);
  -webkit-text-stroke: 2px var(--dark);
  paint-order: stroke fill;
  text-shadow: 0 5px 0 var(--dark);
}
.hero p {
  font-size: 20px;
  max-width: 560px;
  margin: 18px auto 0;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}
.badge {
  display: inline-block;
  margin-top: 26px;
  background: #000;
  color: #fff;
  text-decoration: none;
  padding: 12px 22px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 17px;
}
.badge small {
  display: block;
  font-weight: 500;
  font-size: 11px;
  opacity: 0.8;
}
nav.top {
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
  padding: 14px 16px;
  background: var(--card);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
  position: sticky;
  top: 0;
}
nav.top a {
  text-decoration: none;
  font-weight: 700;
}
main {
  max-width: 820px;
  margin: 0 auto;
  padding: 32px 16px 64px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}
.card h3 {
  margin: 0 0 6px;
}
.card .icon {
  color: var(--sky1);
}
.card .icon .ico {
  width: 36px;
  height: 36px;
}
h1.page {
  margin: 0 0 4px;
}
.updated {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 28px;
}
h2 {
  margin-top: 36px;
}
details {
  background: var(--card);
  border-radius: 14px;
  padding: 14px 18px;
  margin: 10px 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}
summary {
  font-weight: 700;
  cursor: pointer;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}
th,
td {
  text-align: left;
  padding: 8px;
  border-bottom: 1px solid rgba(127, 127, 127, 0.25);
  vertical-align: top;
}
.lang-switch {
  float: right;
  font-size: 14px;
}
footer {
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  padding: 24px 16px 40px;
}

.hero a.on-hero {
  color: #fff;
}