:root {
  --bg: #F4F6F9; --surface: #FFFFFF; --ink: #0F172A; --muted: #475467; --faint: #98A2B3;
  --signal: #0A5CFF; --border: #E4E7EC; --live: #17B26A;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink);
  font-family: -apple-system, "SF Pro Text", system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
.wrap { max-width: 760px; margin: 0 auto; padding: 32px 20px 72px; }
header { display: flex; align-items: center; gap: 14px; padding-bottom: 18px; border-bottom: 1px solid var(--border); margin-bottom: 26px; }
header .mark { width: 44px; height: 44px; border-radius: 12px; background: #0B1220; display: grid; place-items: center; flex: none; }
header .mark svg { width: 28px; height: 28px; }
header h1 { font-size: 24px; margin: 0; letter-spacing: -0.01em; }
header .meta { color: var(--muted); font-size: 14px; margin-top: 2px; }
nav a { color: var(--signal); text-decoration: none; margin-right: 16px; font-weight: 600; font-size: 15px; }
nav { margin-bottom: 22px; }
h2 { font-size: 20px; margin: 30px 0 8px; }
p { margin: 10px 0; }
ul { padding-left: 22px; } li { margin: 6px 0; }
a { color: var(--signal); text-decoration: none; } a:hover { text-decoration: underline; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 24px 26px; }
.callout { background: #E8F0FF; border: 1px solid #C7D8FF; border-radius: 12px; padding: 14px 16px; font-size: 15px; margin: 14px 0 20px; }
footer { color: var(--faint); font-size: 13px; margin-top: 30px; }
.hero { text-align: center; padding: 40px 0 26px; }
.hero h1 { font-size: 40px; letter-spacing: -0.02em; margin: 18px 0 8px; line-height: 1.1; }
.hero p { color: var(--muted); font-size: 19px; max-width: 560px; margin: 0 auto; }
.badges { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 24px 0 8px; }
.badge { background: var(--surface); border: 1px solid var(--border); border-radius: 100px; padding: 8px 14px; font-size: 14px; font-weight: 600; color: var(--ink); }
.badge.live { color: var(--live); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; margin-top: 26px; }
.grid .card h3 { margin: 0 0 6px; font-size: 17px; }
.grid .card p { margin: 0; color: var(--muted); font-size: 15px; }