/**
 * Epic / UE 风格全局产品菜单（白底）
 */
.ac-epic-menu {
  position: relative;
  flex-shrink: 0;
}

.ac-epic-menu-trigger {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  height: 40px;
  padding: 0 6px 0 4px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  transition: background 0.15s;
}

.ac-epic-menu-trigger:hover,
.ac-epic-menu.is-open .ac-epic-menu-trigger {
  background: #f3f4f6;
}

.ac-epic-menu-trigger img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  border-radius: 6px;
}

.ac-epic-menu-chevron {
  width: 16px;
  height: 16px;
  color: #64748b;
  transition: transform 0.2s;
}

.ac-epic-menu.is-open .ac-epic-menu-chevron {
  transform: rotate(180deg);
}

.ac-epic-menu-panel {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  z-index: 1200;
  width: min(720px, calc(100vw - 32px));
  padding: 24px 28px;
  border-radius: 20px;
  border: 1px solid #e6edf6;
  background: #fff;
  box-shadow: 0 24px 64px -24px rgba(15, 40, 90, 0.28);
}

.ac-epic-menu-panel[hidden] {
  display: none !important;
}

.ac-epic-menu-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 28px;
}

.ac-epic-menu-left {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-right: 24px;
  border-right: 1px solid #eef2f7;
}

.ac-epic-menu-section h4 {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 700;
  color: #0b1220;
}

.ac-epic-menu-section ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.ac-epic-menu-section li + li {
  margin-top: 4px;
}

.ac-epic-menu-section a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  margin: 0 -10px;
  border-radius: 10px;
  text-decoration: none;
  color: #334155;
  font-size: 14px;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}

.ac-epic-menu-section a:hover {
  background: #f3f4f6;
  color: #0052d9;
}

.ac-epic-menu-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #f3f4f6;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #475569;
}

.ac-epic-menu-icon svg {
  width: 18px;
  height: 18px;
}

.ac-epic-menu-section a:hover .ac-epic-menu-icon {
  background: #eaf2ff;
  color: #0052d9;
}

.nav-brand-group {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

body.ue-spotlight-page .nav-brand-group {
  gap: 6px;
}

@media (max-width: 640px) {
  .ac-epic-menu-panel {
    width: min(360px, calc(100vw - 24px));
    padding: 18px 16px;
  }

  .ac-epic-menu-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .ac-epic-menu-left {
    padding-right: 0;
    border-right: 0;
    border-bottom: 1px solid #eef2f7;
    padding-bottom: 16px;
  }
}