/* 帮助中心（U15）：搜索、场景卡片、精选文章与工单入口 */
.help-search {
  display: flex;
  gap: 10px;
  max-width: 640px;
  margin-top: 18px;
}

.help-search input {
  flex: 1 1 auto;
  min-width: 0;
  height: 46px;
  padding: 0 14px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  background: #fff;
  font-size: 15px;
  color: var(--c-text);
}

.help-search input:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px var(--c-accent-soft);
}

.help-search .btn {
  flex: 0 0 auto;
  height: 46px;
}

.help-hint {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--c-text-3);
}

.help-hint a {
  color: var(--c-accent-dark);
}

.help-results-empty,
.help-results-count {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--c-text-3);
}

.help-results-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.help-results-list li {
  padding: 12px 14px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  background: #fff;
}

.help-results-list a {
  font-weight: 600;
  color: var(--c-text);
}

.help-results-list a:hover {
  color: var(--c-accent-dark);
}

.help-results-list p {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--c-text-2);
}

.help-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.help-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px;
  text-decoration: none;
  color: inherit;
  transition: border-color .2s ease, transform .2s ease;
}

.help-card:hover {
  border-color: var(--c-accent);
  transform: translateY(-2px);
}

.help-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--c-accent-soft);
  color: var(--c-accent-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .5px;
}

.help-card h3 {
  margin: 4px 0 0;
  font-size: 17px;
}

.help-card p {
  margin: 0;
  font-size: 13px;
  color: var(--c-text-2);
  line-height: 1.7;
}

.help-articles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.help-article {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px;
  text-decoration: none;
  color: inherit;
}

.help-article h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
}

.help-article p {
  margin: 0;
  font-size: 13px;
  color: var(--c-text-2);
  line-height: 1.7;
}

.help-more {
  margin: 20px 0 0;
}

.help-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 28px;
}

.help-cta h2 {
  margin: 0 0 6px;
  font-size: 20px;
}

.help-cta p {
  margin: 0;
  font-size: 14px;
  color: var(--c-text-2);
  line-height: 1.7;
  max-width: 640px;
}

.help-cta-actions {
  display: flex;
  gap: 10px;
  flex: 0 0 auto;
}

@media (max-width: 900px) {
  .help-grid,
  .help-articles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .help-cta {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .help-search {
    flex-direction: column;
  }

  .help-search .btn {
    width: 100%;
  }

  .help-grid,
  .help-articles {
    grid-template-columns: 1fr;
  }

  .help-cta {
    padding: 20px;
  }

  .help-cta-actions {
    width: 100%;
    flex-direction: column;
  }

  .help-cta-actions .btn {
    width: 100%;
  }
}