:root {
  --night: #050B1F; --navy: #0B1E4D; --blue: #196BC4; --green: #29B981;
  --bg: #F4F6FA; --card: #FFFFFF; --text: #1A2233; --muted: #5B6578; --line: #E3E8F0;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #070D1F; --card: #0E1730; --text: #E8ECF4; --muted: #9AA6BD; --line: #1E2A47; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
header { background: radial-gradient(80% 140% at 0% 0%, rgba(25,107,196,.45), transparent 60%),
  radial-gradient(70% 120% at 100% 100%, rgba(41,185,129,.3), transparent 60%), var(--night);
  color: #fff; padding: 28px 16px 36px; }
.wrap { max-width: 760px; margin: 0 auto; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 800; font-size: 20px; }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
.brand b { font-weight: 800; }
.brand span { background: linear-gradient(90deg,#5AA2F0,var(--green)); -webkit-background-clip: text; background-clip: text; color: transparent; }
header h1 { margin: 22px 0 6px; font-size: clamp(28px, 6vw, 40px); line-height: 1.15; }
header p { margin: 0; color: rgba(255,255,255,.7); }
main { padding: 24px 16px 48px; }
article { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: clamp(18px, 4vw, 36px); }
h2 { font-size: 20px; margin: 32px 0 8px; }
h2:first-child { margin-top: 0; }
h3 { font-size: 16px; margin: 20px 0 4px; }
p, li { color: var(--text); }
.muted { color: var(--muted); font-size: 14px; }
a { color: var(--blue); }
@media (prefers-color-scheme: dark) { a { color: #6FB1F5; } }
table { width: 100%; border-collapse: collapse; margin: 8px 0 16px; font-size: 15px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 13px; }
.table-scroll { overflow-x: auto; }
details { border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; margin: 10px 0; }
summary { cursor: pointer; font-weight: 600; }
.cta { display: inline-block; margin-top: 8px; padding: 12px 20px; border-radius: 999px; color: #fff !important;
  text-decoration: none; font-weight: 700; background: linear-gradient(90deg, var(--blue), var(--green)); }
footer { text-align: center; padding: 0 16px 32px; font-size: 13px; color: var(--muted); }
footer a { color: var(--muted); margin: 0 8px; }
footer b { color: #FF6A00; font-weight: 600; }