/* Find by problem — homepage V2 section (live since 2026-09-30; CN homepage and the unprefixed EN homepage). */
.vhd-problems {
  margin-top: 96px;
  padding: 80px 0;
  background: #f5f7fa;
}

.vhd-problems-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
}

.vhd-problems-heading h2 {
  margin-top: 14px;
  color: var(--vhd-ink);
  font: 800 42px/1.25 "Poppins", "Noto Sans SC", sans-serif;
}

.vhd-problems-heading h2 + p {
  margin-top: 8px;
  color: #5b6675;
  font-size: 16px;
  line-height: 1.5;
}

.vhd-problems-shortcut {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 12px;
  padding: 12px 22px;
  border: 1px solid #e6eaf0;
  border-radius: 999px;
  background: var(--vhd-white);
  color: #5b6675;
  font-size: 14px;
  line-height: 1.4;
  white-space: nowrap;
}

.vhd-problems-shortcut a {
  font-weight: 700;
}

.vhd-problems-shortcut a:hover,
.vhd-problems-shortcut a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.vhd-problems-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  padding: 0;
  list-style: none;
}

.vhd-problem-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 210px;
  padding: 32px 30px 26px;
  border: 1px solid #e6eaf0;
  border-radius: 12px;
  background: var(--vhd-white);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.vhd-home .vhd-problem-card:hover,
.vhd-home .vhd-problem-card:focus-visible {
  border-color: var(--vhd-red);
  box-shadow: 0 12px 32px rgba(26, 29, 36, 0.1) !important;
  transform: translateY(-2px);
}

.vhd-problem-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.vhd-problem-top h3 {
  color: #1a1d24;
  font: 700 26px/1.25 "Poppins", "Noto Sans SC", sans-serif;
}

.vhd-problem-card > p {
  flex: 1;
  color: #5b6675;
  font-size: 15px;
  line-height: 1.7;
}

.vhd-problem-cta {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid #eef1f5;
  color: var(--vhd-red);
  font-size: 15px;
  font-weight: 700;
}

@media (max-width: 1024px) {
  .vhd-problems-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 990px) {
  .vhd-problems {
    margin-top: 78px;
    padding: 64px 0;
  }

  .vhd-problems-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .vhd-problems-heading h2 {
    font-size: 34px;
  }
}

@media (max-width: 560px) {
  .vhd-problems {
    margin-top: 68px;
    padding: 52px 0;
  }

  .vhd-problems-heading h2 {
    font-size: 28px;
  }

  .vhd-problems-shortcut {
    white-space: normal;
  }

  .vhd-problems-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .vhd-problem-card {
    min-height: 0;
    padding: 24px 20px 20px;
  }

  .vhd-problem-top h3 {
    font-size: 22px;
  }
}