:root {
  --bg: #f6f1ea;
  --card: #fbf8f4;
  --line: #d8cdbc;
  --text: #183b6b;
  --sub: #52657f;
  --accent: #1d4b82;
  --accent-soft: #eef4fb;
  --ad-bg: #f8f4ee;
  --shadow: 0 10px 28px rgba(24, 59, 107, 0.07);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

.site-shell {
  min-height: 100vh;
}

.container {
  width: min(calc(100% - 32px), 1100px);
  margin: 0 auto;
}

.site-header {
  padding: 24px 0 10px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.brand-wrap {
  text-decoration: none;
}

.brand {
  font-size: 30px;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
}

.brand-sub {
  font-size: 14px;
  color: var(--sub);
  margin-top: 4px;
}

.site-nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.site-nav a {
  text-decoration: none;
  font-weight: 700;
  color: var(--accent);
  padding: 10px 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
}

.site-main {
  padding-bottom: 40px;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: stretch;
  margin: 18px 0 28px;
}

.hero-main,
.hero-side,
.section-card,
.app-card,
.info-card,
.ad-card,
.ad-mini-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero-main,
.hero-side,
.section-card,
.app-card,
.info-card {
  padding: 24px;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 800;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 6px 12px;
  margin-bottom: 14px;
}

.hero h1 {
  margin: 0 0 14px;
  font-size: 40px;
  line-height: 1.25;
}

.hero p {
  margin: 0 0 16px;
  color: var(--sub);
  font-size: 17px;
}

.hero-actions,
.card-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.btn {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  border: 1px solid var(--line);
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-secondary {
  background: #fff;
  color: var(--accent);
}

.mini-points {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  color: var(--sub);
  font-size: 15px;
}

.mini-points li {
  margin-bottom: 8px;
}

.section {
  margin: 0 0 28px;
}

.section-title {
  margin: 0 0 14px;
  font-size: 24px;
}

.section-lead {
  margin: 0 0 18px;
  color: var(--sub);
}

.apps-grid,
.info-grid,
.ad-mini-grid {
  display: grid;
  gap: 20px;
}

.apps-grid {
  grid-template-columns: repeat(2, 1fr);
}

.info-grid {
  grid-template-columns: 1.05fr 0.95fr;
}

.ad-mini-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 18px;
}

.app-card h3,
.info-card h3 {
  margin: 0 0 10px;
  font-size: 24px;
}

.app-card p,
.info-card p {
  margin: 0 0 14px;
  color: var(--sub);
}

.app-points {
  margin: 0 0 18px;
  padding-left: 18px;
  color: var(--sub);
}

.app-points li {
  margin-bottom: 6px;
}

.ad-card,
.ad-mini-card {
  padding: 18px;
}

.ad-slot-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  color: var(--sub);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
  margin-bottom: 12px;
}

.ad-wide-inner {
  display: grid;
  grid-template-columns: 240px 1fr auto;
  gap: 18px;
  align-items: center;
  background: var(--ad-bg);
  border: 1px dashed #ccbfae;
  border-radius: 18px;
  padding: 18px;
  min-height: 150px;
}

.ad-wide-media,
.ad-mini-media {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--sub);
  font-weight: 700;
  padding: 12px;
  overflow: hidden;
}

.ad-wide-media {
  min-height: 110px;
}

.ad-mini-media {
  min-height: 110px;
  margin-bottom: 12px;
}

.ad-wide-media img,
.ad-mini-media img {
  max-width: 100%;
  max-height: 110px;
  object-fit: contain;
}

.ad-wide-copy h3 {
  margin: 0 0 8px;
  font-size: 22px;
}

.ad-wide-copy p,
.ad-mini-card p {
  margin: 0;
  color: var(--sub);
  font-size: 15px;
}

.ad-mini-card h4 {
  margin: 0 0 6px;
  font-size: 18px;
}

.ad-link-btn {
  display: inline-block;
  text-decoration: none;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 14px;
  margin-top: 12px;
}

.site-footer {
  padding: 30px 0 60px;
  color: var(--sub);
  font-size: 14px;
}

.footer-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

.page-note {
  font-size: 14px;
  color: var(--sub);
}

@media (max-width: 900px) {
  .hero,
  .apps-grid,
  .info-grid,
  .ad-mini-grid {
    grid-template-columns: 1fr;
  }

  .ad-wide-inner {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 32px;
  }
}