:root {
  --bg-1: #0b3d3a;
  --bg-2: #0f766e;
  --bg-3: #134e4a;
  --text: #f0fdfa;
  --muted: #99f6e4;
  --accent: #fbbf24;
  --btn: #14b8a6;
  --btn-text: #042f2e;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, #2dd4bf55, transparent 55%),
    radial-gradient(ellipse 70% 50% at 90% 80%, #fbbf2433, transparent 50%),
    linear-gradient(160deg, var(--bg-1), var(--bg-2) 45%, var(--bg-3));
  min-height: 100dvh;
}

.page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 2rem 1.25rem 3rem;
  max-width: 40rem;
  margin: 0 auto;
}

.logo {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  margin-bottom: 1rem;
  box-shadow: 0 8px 24px #0004;
}

.brand {
  margin: 0 0 0.5rem;
  font-size: clamp(2rem, 8vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.lead {
  margin: 0 0 1.25rem;
  color: #fde68a;
  font-size: 1.05rem;
  line-height: 1.5;
  font-weight: 600;
}

.ios-guide {
  width: 100%;
  max-width: 28rem;
  padding: 1.1rem 1.15rem;
  border: 2px solid var(--accent);
  border-radius: 1rem;
  background: #042f2ecc;
}

.ios-guide-title {
  margin: 0 0 0.75rem;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--accent);
}

.ios-guide ol {
  margin: 0;
  padding-left: 1.25rem;
  line-height: 1.75;
}

.ios-guide li {
  margin-bottom: 0.4rem;
}

.ios-guide-note {
  margin: 0.85rem 0 0;
  color: #fde68a;
  font-size: 0.92rem;
  line-height: 1.5;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 0.75rem;
  padding: 0.85rem 1.25rem;
  font: inherit;
  font-weight: 700;
  background: var(--btn);
  color: var(--btn-text);
}

.btn.primary {
  background: var(--accent);
  color: #422006;
}

.status {
  margin-top: 1rem;
  min-height: 1.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}