:root {
  --orange: #ff6b35;
  --text: #111827;
  --muted: #6b7280;
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e5e7eb;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #f9fafb;
    --muted: #9ca3af;
    --bg: #0b1120;
    --surface: #1a2233;
    --border: #334155;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 20px;
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
}

header, main, footer {
  max-width: 760px;
  margin: 0 auto;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 24px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--text);
  text-decoration: none;
}

.brand img { width: 40px; height: 40px; border-radius: 10px; }

nav a { color: var(--muted); text-decoration: none; margin-left: 16px; font-weight: 600; }
nav a:hover { color: var(--orange); }

main {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px clamp(20px, 5vw, 48px);
  margin-bottom: 32px;
}

h1 { font-size: clamp(28px, 5vw, 36px); line-height: 1.2; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
.updated { color: var(--muted); margin: 0 0 24px; }
a { color: var(--orange); }

table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 10px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }

.hero { text-align: center; padding: 24px 0 8px; }
.hero img { width: 112px; height: 112px; border-radius: 26px; box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3); }
.hero p { color: var(--muted); font-size: 18px; max-width: 520px; margin: 8px auto 0; }

.lang { font-size: 14px; color: var(--muted); }

footer {
  color: var(--muted);
  font-size: 14px;
  text-align: center;
  padding: 0 0 40px;
}