:root {
  --bg: #0b0d12;
  --panel: #12151d;
  --line: #232936;
  --fg: #e8ecf4;
  --muted: #98a2b8;
  --accent: #f6821f;   /* Cloudflare orange */
  --accent2: #7c8cff;
  --radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1000px 500px at 80% -10%, rgba(246,130,31,.14), transparent 60%),
    radial-gradient(800px 400px at 0% 0%, rgba(124,140,255,.12), transparent 55%),
    var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.wrap { width: min(920px, 92vw); margin-inline: auto; }

header.wrap { padding: 28px 0 8px; }

.brand { display: flex; align-items: center; gap: 10px; font-size: 1.05rem; letter-spacing: .02em; }

.dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(246,130,31,.18);
}

.badge {
  font-size: .68rem; letter-spacing: .12em; font-weight: 700;
  padding: 2px 8px; border-radius: 999px;
  color: #0b0d12; background: #3ddc97;
}

.hero { padding: 34px 0 10px; }

h1 {
  font-size: clamp(1.7rem, 4.6vw, 2.6rem);
  line-height: 1.25; margin: 0 0 14px;
  letter-spacing: -.01em;
}

h2 {
  font-size: 1.15rem; margin: 44px 0 14px;
  padding-bottom: 10px; border-bottom: 1px solid var(--line);
  letter-spacing: .02em;
}

h3 { font-size: .98rem; margin: 0 0 8px; }

.lead { font-size: 1.06rem; color: #d5dbea; }

.muted { color: var(--muted); }
.small { font-size: .85rem; }

.cards { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.card {
  background: linear-gradient(180deg, rgba(255,255,255,.03), transparent), var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
}

pre {
  margin: 16px 0 0; padding: 16px;
  background: #0a0c11; border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow-x: auto; font-size: .86rem; line-height: 1.6;
}

code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

p code, li code {
  background: rgba(124,140,255,.12);
  padding: 1px 6px; border-radius: 6px; font-size: .88em;
}

.facts { list-style: none; padding: 0; margin: 0; }

.facts li {
  display: flex; gap: 16px; flex-wrap: wrap;
  padding: 10px 0; border-bottom: 1px dashed var(--line);
}

.facts span { color: var(--muted); min-width: 9.5em; }
.facts b { font-weight: 600; }

footer.wrap { padding: 40px 0 56px; }

a { color: var(--accent2); }