:root {
  color-scheme: dark;
  background: #04051c;
  font-family: Arial, "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 280px;
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
  background: radial-gradient(ellipse at 50% 15%, #101044 0%, #04051c 70%);
}

.landing-page {
  position: relative;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
}

.landing-image {
  display: block;
  width: 100%;
  height: auto;
}

/* 原图 375 × 923，点击区域与顶部绿色 CLAIM NOW 按钮同步缩放。 */
.apk-download {
  position: absolute;
  top: 22.75%;
  left: 10.4%;
  width: 79.2%;
  height: 5.74%;
  border-radius: 24px;
  cursor: pointer;
  -webkit-tap-highlight-color: rgb(164 255 54 / 25%);
  touch-action: manipulation;
}

@media (hover: hover) {
  .apk-download:hover {
    background: rgb(255 255 255 / 9%);
    box-shadow: 0 0 20px rgb(119 255 25 / 45%);
  }
}

.apk-download:active {
  background: rgb(0 0 0 / 15%);
}

.apk-download:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 4px;
  box-shadow: 0 0 18px #6bff28;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  padding: 0;
  border: 0;
  clip-path: inset(50%);
  white-space: nowrap;
}