* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "PingFang SC",
    "Microsoft YaHei",
    Arial,
    sans-serif;
  background: #1f1a16;
}

.page {
  position: relative;
  display: flex;
  min-height: 100vh;
  min-height: 100svh;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    linear-gradient(rgba(0, 0, 0, 0.20), rgba(0, 0, 0, 0.42)),
    url("../images/bg.jpg") center center / cover no-repeat;
}

.claim-button {
  display: flex;
  width: min(88vw, 380px);
  min-height: 62px;
  align-items: center;
  justify-content: center;
  border: 2px solid #ffd26a;
  border-radius: 999px;
  background: linear-gradient(180deg, #ff3a2f 0%, #d90d08 100%);
  box-shadow:
    0 10px 28px rgba(0, 0, 0, 0.35),
    0 0 0 5px rgba(255, 255, 255, 0.10);
  color: #ffffff;
  font-size: clamp(21px, 6vw, 28px);
  font-weight: 800;
  letter-spacing: 2px;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.claim-button:active {
  transform: scale(0.97);
}

@media (min-width: 768px) {
  .page {
    background-position: center 42%;
  }
}