.landing-page,
.database-page { background: #fbfcff; }

.landing-hero {
  padding: 76px 0 64px;
  background:
    radial-gradient(circle at 88% 16%, rgba(39, 109, 245, .13), transparent 28%),
    radial-gradient(circle at 12% 82%, rgba(255, 195, 45, .17), transparent 30%),
    linear-gradient(180deg, #fff 0%, #f7faff 100%);
  border-bottom: 1px solid var(--color-border);
}
.landing-hero-copy { max-width: 760px; margin: 0 auto; text-align: center; }
.landing-eyebrow,
.database-eyebrow { margin-bottom: 14px; color: var(--color-brand); font-size: 14px; font-weight: 800; letter-spacing: .12em; }
.landing-hero h1 { margin: 0; font-size: clamp(38px, 5.6vw, 64px); line-height: 1.08; letter-spacing: -.045em; }
.landing-hero .lead { max-width: 640px; margin: 22px auto 28px; color: var(--color-text-secondary); font-size: 19px; line-height: 1.75; }
.landing-hero .hero-search { max-width: 700px; margin: 0 auto; text-align: left; }
.landing-hot { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 18px; color: var(--color-text-muted); font-size: 13px; }

.landing-section { padding: 68px 0; }
.landing-section + .landing-section { border-top: 1px solid var(--color-border); }
.landing-section.is-tint { background: #f4f7fc; }
.landing-section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.landing-section-head h2 { margin: 0 0 7px; font-size: clamp(28px, 3.5vw, 40px); letter-spacing: -.025em; }
.landing-section-head p { margin: 0; color: var(--color-text-secondary); }
.landing-more { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border: 1px solid var(--color-border-strong); border-radius: 999px; color: var(--color-text-primary); font-size: 14px; font-weight: 750; white-space: nowrap; }
.landing-more:hover { border-color: var(--color-brand); color: var(--color-brand); background: #fff; }

.landing-category-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.landing-category-card { min-width: 0; padding: 22px; border: 1px solid var(--color-border); border-radius: 18px; background: #fff; transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; }
.landing-category-card:hover { transform: translateY(-3px); border-color: #b9c9e8; box-shadow: 0 12px 30px rgba(26, 55, 102, .08); }
.landing-category-card .ic { display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 18px; border-radius: 14px; background: var(--color-brand-soft); font-size: 25px; }
.landing-category-card h3 { margin: 0 0 6px; font-size: 18px; }
.landing-category-card p { margin: 0; color: var(--color-text-muted); font-size: 13px; }

.learning-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.learning-link { display: flex; align-items: center; gap: 16px; min-width: 0; padding: 18px 20px; border: 1px solid var(--color-border); border-radius: 15px; background: #fff; color: var(--color-text-primary); font-weight: 700; }
.learning-link .q { display: grid; place-items: center; flex: 0 0 34px; width: 34px; height: 34px; border-radius: 50%; background: #eef4ff; color: var(--color-brand); font-size: 15px; }
.learning-link .arrow { margin-left: auto; color: var(--color-brand); }
.learning-link:hover { border-color: var(--color-brand); color: var(--color-brand); }

.landing-tool-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.landing-tool-card { display: flex; flex-direction: column; min-height: 190px; padding: 22px; border: 1px solid #dbe5f5; border-radius: 18px; background: #fff; }
.landing-tool-card .ic { font-size: 29px; }
.landing-tool-card h3 { margin: 18px 0 8px; font-size: 18px; }
.landing-tool-card p { margin: 0; color: var(--color-text-secondary); font-size: 14px; line-height: 1.65; }
.landing-tool-card .go { margin-top: auto; padding-top: 18px; color: var(--color-brand); font-size: 14px; font-weight: 750; }

.landing-final { padding: 72px 0; }
.landing-final-box { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 38px 42px; border-radius: 24px; background: #10264a; color: #fff; }
.landing-final-box h2 { margin: 0 0 8px; color: #fff; font-size: 30px; }
.landing-final-box p { margin: 0; color: #c9d7ee; }
.landing-final-box .btn { flex-shrink: 0; background: #fff; color: #10264a; }

.database-hero { padding: 58px 0 44px; background: linear-gradient(180deg, #fff 0%, #f5f8fd 100%); border-bottom: 1px solid var(--color-border); }
.database-hero h1 { margin: 0 0 14px; font-size: clamp(36px, 5vw, 54px); letter-spacing: -.04em; }
.database-hero p { max-width: 680px; margin: 0; color: var(--color-text-secondary); font-size: 18px; line-height: 1.75; }
.database-content { padding: 48px 0 72px; }
.database-group + .database-group { margin-top: 46px; }
.database-group-head { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.database-group-head span { font-size: 28px; }
.database-group-head h2 { margin: 0; font-size: 25px; }
.database-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.database-card { display: flex; align-items: center; gap: 12px; min-width: 0; min-height: 76px; padding: 14px 16px; border: 1px solid var(--color-border); border-radius: 14px; background: #fff; }
.database-card:hover { border-color: var(--color-brand); box-shadow: 0 8px 22px rgba(26, 55, 102, .07); }
.database-card .ic { flex: 0 0 36px; font-size: 24px; text-align: center; }
.database-card .copy { min-width: 0; }
.database-card strong { display: block; overflow: hidden; color: var(--color-text-primary); font-size: 15px; line-height: 1.35; text-overflow: ellipsis; }
.database-card small { color: var(--color-text-muted); font-size: 12px; }

@media (max-width: 900px) {
  .landing-category-grid, .landing-tool-grid, .database-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .landing-hero { padding: 50px 0 44px; }
  .landing-hero .lead { font-size: 16px; }
  .landing-section { padding: 48px 0; }
  .landing-section-head { align-items: flex-start; flex-direction: column; margin-bottom: 22px; }
  .learning-links, .landing-tool-grid { grid-template-columns: 1fr; }
  .landing-category-grid { gap: 10px; }
  .landing-category-card { padding: 17px; }
  .landing-category-card .ic { width: 42px; height: 42px; margin-bottom: 13px; font-size: 22px; }
  .landing-final { padding: 48px 0; }
  .landing-final-box { align-items: flex-start; flex-direction: column; padding: 28px 24px; }
  .database-hero { padding: 42px 0 34px; }
  .database-content { padding-top: 36px; }
  .database-grid { grid-template-columns: 1fr; }
}