* {
  box-sizing: border-box;
}

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

body {
  background: #111214;
  color: #f7f7f2;
  font-family: Arial, "Microsoft YaHei", sans-serif;
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  height: 64px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #303238;
  background: rgba(17, 18, 20, 0.94);
  backdrop-filter: blur(12px);
}

.brand,
.site-header nav a,
.play-button {
  color: inherit;
  text-decoration: none;
}

.brand {
  font-size: 18px;
  font-weight: 700;
}

.site-header nav {
  display: flex;
  gap: 24px;
}

.site-header nav a {
  color: #c8cad0;
  font-size: 14px;
}

.site-header nav a:hover,
.play-button:hover {
  color: #ffffff;
}

.page {
  width: min(100%, 1240px);
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.game-section,
.art-section {
  scroll-margin-top: 88px;
}

.art-section {
  margin-top: 96px;
}

.section-heading {
  min-height: 74px;
  margin-bottom: 20px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: #72d6a0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
}

h1,
h2 {
  margin: 0;
  font-size: 30px;
  line-height: 1.2;
  letter-spacing: 0;
}

.game-launch {
  width: 100%;
  min-height: 320px;
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border: 1px solid #34363c;
  border-radius: 8px;
  background: #231f20;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
}

.game-kicker {
  margin: 0 0 12px;
  color: #f0a56b;
  font-size: 12px;
  font-weight: 700;
}

.game-name {
  margin: 0;
  font-size: 36px;
  font-weight: 700;
}

.play-button {
  min-width: 116px;
  padding: 13px 18px;
  border: 1px solid #6a6e77;
  border-radius: 6px;
  background: #f7f7f2;
  color: #17181b;
  text-align: center;
  font-size: 15px;
  font-weight: 700;
}

.play-button:hover {
  background: #72d6a0;
  color: #111214;
}

.viewer {
  width: 100%;
  margin: 0;
}

.display-image {
  display: block;
  width: 100%;
  max-height: 86vh;
  object-fit: contain;
  border-radius: 8px;
  background: #1b1c20;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
}

.site-footer {
  padding: 28px 24px;
  border-top: 1px solid #303238;
  color: #8e9199;
  text-align: center;
  font-size: 13px;
}

@media (max-width: 640px) {
  .site-header {
    height: 56px;
    padding: 0 16px;
  }

  .site-header nav {
    gap: 16px;
  }

  .page {
    padding: 32px 12px 56px;
  }

  .art-section {
    margin-top: 64px;
  }

  .section-heading {
    min-height: 60px;
  }

  h1,
  h2 {
    font-size: 24px;
  }

  .game-launch {
    min-height: 240px;
    padding: 28px 24px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }

  .game-name {
    font-size: 30px;
  }

  .display-image {
    max-height: 82vh;
  }
}