* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg: #f7f6f4; --ink: #111114; --muted: #6b6b74; --accent: #ff9500;
  --card: #ffffff; --line: rgba(0,0,0,0.08);
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--ink); line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 28px 22px 80px; }
header.site { display: flex; align-items: center; justify-content: space-between; padding: 6px 0 26px; }
header.site img { height: 34px; }
nav a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 600; margin-left: 18px; }
nav a:hover { color: var(--ink); }
.hero { text-align: center; padding: 34px 0 10px; }
.hero img.orb { width: 150px; height: 150px; }
h1 { font-size: 34px; letter-spacing: -0.02em; margin: 14px 0 6px; }
.sub { color: var(--muted); font-size: 17px; max-width: 460px; margin: 0 auto; }
h2 { font-size: 20px; margin: 34px 0 8px; letter-spacing: -0.01em; }
p, li { color: #33333a; font-size: 15.5px; }
ul { padding-left: 22px; margin: 8px 0; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px;
  padding: 22px; margin: 26px 0; box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
.btn {
  display: inline-block; background: var(--ink); color: #fff; text-decoration: none;
  font-weight: 700; padding: 13px 26px; border-radius: 999px; margin-top: 14px;
}
.meta { color: var(--muted); font-size: 13px; margin-top: 40px; }
a.inline { color: var(--accent); font-weight: 600; text-decoration: none; }