:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --surface: #ffffff;
  --text: #17202a;
  --muted: #5d6978;
  --line: #dce3eb;
  --red: #d8213a;
  --teal: #0f766e;
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: Arial, "Noto Sans KR", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.page {
  width: min(100%, 980px);
  margin: 0 auto;
  padding: 40px 20px 56px;
}

.hero,
.content {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 14px 32px rgba(22, 31, 44, 0.08);
}

.hero {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 22px;
  align-items: center;
  padding: 28px;
}

.app-icon {
  width: 96px;
  height: 96px;
  border-radius: 20px;
  box-shadow: 0 10px 24px rgba(12, 18, 28, 0.14);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 12px;
  font-size: 34px;
  line-height: 1.18;
  letter-spacing: 0;
}

.summary,
.content p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.summary {
  margin-bottom: 0;
}

.actions,
.links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.button,
.links a {
  color: var(--teal);
  font-weight: 700;
  text-decoration: none;
}

.button {
  border: 1px solid var(--teal);
  border-radius: 8px;
  padding: 10px 14px;
}

.content {
  margin-top: 18px;
  padding: 26px;
}

.content h2 {
  margin-bottom: 18px;
  color: var(--red);
  font-size: 22px;
  letter-spacing: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

article {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

article h3 {
  margin-bottom: 8px;
  font-size: 17px;
  letter-spacing: 0;
}

article p,
.slim p {
  margin-bottom: 0;
}

@media (max-width: 680px) {
  .page {
    padding: 22px 14px 36px;
  }

  .hero {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 16px;
    padding: 20px;
  }

  .app-icon {
    width: 72px;
    height: 72px;
    border-radius: 16px;
  }

  h1 {
    font-size: 25px;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}