:root {
  --bg: #0b0b0f;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}
body {
  min-height: 100vh;
}
.page {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  background: #000;
}
.image-section {
  width: 100%;
  line-height: 0;
}
.image-section img {
  display: block;
  width: 100%;
  height: auto;
}
.hero {
  position: relative;
}
@media (min-width: 521px) {
  body {
    background: linear-gradient(180deg, #151515, #0a0a0a);
    padding: 16px 0;
  }
  .page {
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 18px 48px rgba(0,0,0,.35);
  }
}
.image-section a {
  display: block;
  line-height: 0;
}