:root {
  --bg: #f6f8fc;
  --ink: #0f172a;
  --muted: #475569;
  --line: #d8e0ef;
  --brand: #0b57d0;
  --card: #ffffff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at 10% -10%, #dce8ff 0%, rgba(220, 232, 255, 0) 34%),
    linear-gradient(180deg, #f8faff 0%, #f3f7ff 100%);
  color: var(--ink);
  font-family: "Outfit", "Segoe UI", sans-serif;
}

a {
  color: var(--brand);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  width: min(920px, calc(100% - 2rem));
  margin: 0 auto;
}

.top {
  margin-top: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 999px;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: #0f172a;
  font-weight: 700;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, #0b57d0, #0a3f96);
  color: #fff;
  font-size: 0.85rem;
}

.top-links {
  display: inline-flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

main {
  margin: 1rem 0 2rem;
}

.card {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 20px;
  padding: clamp(1.1rem, 3vw, 1.6rem);
  box-shadow: 0 20px 38px rgba(15, 23, 42, 0.08);
}

h1 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  letter-spacing: -0.01em;
}

.updated {
  margin: 0.6rem 0 1.1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

section {
  margin-top: 1rem;
}

h2 {
  margin: 0;
  font-size: 1.05rem;
}

p,
li {
  color: #334155;
  line-height: 1.6;
}

ul {
  margin: 0.55rem 0 0;
  padding-left: 1.2rem;
}

footer {
  margin: 1.1rem 0 1.6rem;
  color: #64748b;
  font-size: 0.84rem;
  text-align: center;
}

@media (max-width: 700px) {
  .top {
    border-radius: 16px;
    flex-direction: column;
    align-items: flex-start;
  }

  .top-links {
    justify-content: flex-start;
  }
}