* {
  box-sizing: border-box;
}

:root {
  --bg: #0b0e14;
  --card: #121722;
  --card-2: #171e2b;
  --text: #f6f7fb;
  --muted: #9da8b8;
  --accent: #8d68ff;
  --accent-2: #6e4cf0;
  --line: rgba(255,255,255,.08);
}

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 50% -10%, rgba(141,104,255,.22), transparent 38%),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

body {
  min-height: 100vh;
}

.wrap {
  width: min(100%, 520px);
  margin: 0 auto;
  padding: 28px 16px 40px;
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,.025), transparent 20%), var(--card);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 24px;
  box-shadow: 0 24px 70px rgba(0,0,0,.35);
}

.badge {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(141,104,255,.13);
  color: #bca9ff;
  border: 1px solid rgba(141,104,255,.3);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .11em;
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-top: 18px;
}

.logo {
  width: 58px;
  height: 58px;
  flex: 0 0 58px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent), #4f33c7);
  box-shadow: 0 10px 28px rgba(110,76,240,.32);
  font-weight: 900;
  font-size: 20px;
}

h1 {
  margin: 0;
  font-size: 30px;
  line-height: 1;
}

.subtitle {
  margin: 6px 0 0;
  color: var(--muted);
}

.intro {
  margin: 22px 0 0;
  color: #c6ceda;
  line-height: 1.65;
  font-size: 15px;
}

.meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 20px;
}

.meta div {
  background: var(--card-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
}

.meta span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 5px;
}

.meta strong {
  font-size: 14px;
}

.download {
  display: block;
  text-align: center;
  text-decoration: none;
  color: white;
  margin-top: 18px;
  padding: 17px 18px;
  border-radius: 18px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 30px rgba(110,76,240,.3);
  transition: transform .16s ease, filter .16s ease;
}

.download:hover {
  filter: brightness(1.07);
  transform: translateY(-1px);
}

.download:active {
  transform: translateY(1px) scale(.995);
}

.download span {
  display: block;
  font-weight: 850;
  font-size: 17px;
}

.download small {
  display: block;
  margin-top: 4px;
  color: rgba(255,255,255,.78);
}

.notice {
  margin: 13px 2px 0;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.5;
  text-align: center;
}

.steps,
.testing {
  margin-top: 22px;
  background: var(--card-2);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 17px;
}

h2 {
  margin: 0 0 10px;
  font-size: 15px;
}

ol {
  margin: 0;
  padding-left: 20px;
  color: #c7cfda;
  line-height: 1.8;
  font-size: 14px;
}

.testing p {
  margin: 0;
  color: #c7cfda;
  line-height: 1.6;
  font-size: 14px;
}

footer {
  margin-top: 22px;
  color: #6f7a8b;
  text-align: center;
  font-size: 12px;
}

@media (max-width: 420px) {
  .card {
    padding: 20px;
    border-radius: 23px;
  }

  h1 {
    font-size: 26px;
  }
}