* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #0d4566;
  background: linear-gradient(180deg, #ffffff 0%, #e8f7ff 100%);
  min-height: 100vh;
  line-height: 1.65;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 40px 24px 80px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 36px; }
header img { width: 56px; height: 56px; border-radius: 13px; }
header .name { font-size: 22px; font-weight: 800; }
header .name a { color: #0d4566; text-decoration: none; }
h1 { font-size: 30px; margin-bottom: 6px; }
.updated { color: #5a7d92; font-size: 14px; margin-bottom: 28px; }
h2 { font-size: 19px; margin: 28px 0 8px; }
p, li { color: #2c5872; font-size: 16px; }
ul { padding-left: 22px; margin: 8px 0; }
li { margin: 5px 0; }
a { color: #3aa0dd; }
.card {
  background: #fff; border-radius: 16px; padding: 28px;
  box-shadow: 0 4px 20px rgba(58, 160, 221, 0.12);
}
footer { margin-top: 40px; text-align: center; font-size: 13px; color: #7a97ab; }
footer a { color: #7a97ab; margin: 0 8px; }
.btn {
  display: inline-block; background: #38a0dd; color: #fff; text-decoration: none;
  font-weight: 700; padding: 14px 28px; border-radius: 999px; margin-top: 18px;
}
.hero { text-align: center; padding: 40px 0 20px; }
.hero img { width: 120px; height: 120px; border-radius: 27px; box-shadow: 0 10px 30px rgba(58,160,221,.35); }
.hero h1 { font-size: 38px; margin-top: 20px; }
.hero p { font-size: 18px; max-width: 460px; margin: 10px auto 0; }