.service-menu-trigger {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.service-menu-trigger::after {
  content: "";
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform 160ms ease;
}

.service-menu-trigger[aria-expanded="true"]::after {
  margin-top: 3px;
  transform: rotate(225deg);
}

.opshub-nav-link {
  position: relative;
  display: inline-flex;
  min-height: 24px;
  padding: 2px 0;
  align-items: center;
  color: var(--muted-foreground, #a9b5c8);
  font-size: 14px;
  font-weight: 500;
  line-height: 20px;
  text-decoration: none;
  transition: color 160ms ease;
}

.opshub-nav-link:hover,
.opshub-nav-link.is-active {
  color: var(--primary, #63b9ff);
}

.opshub-nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  border-radius: 999px;
  background: var(--primary, #63b9ff);
}

.service-submenu {
  position: fixed;
  z-index: 90;
  display: none;
  width: min(390px, calc(100vw - 32px));
  padding: 8px;
  border: 1px solid rgba(126, 163, 217, 0.3);
  border-radius: 6px;
  background: rgba(9, 18, 33, 0.98);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(18px);
}

.service-submenu.is-open {
  display: block;
}

.service-submenu-link {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  min-width: 0;
  padding: 12px;
  color: #edf4ff;
  border-radius: 4px;
  text-decoration: none;
}

.service-submenu-link:hover,
.service-submenu-link:focus-visible {
  background: rgba(93, 194, 255, 0.1);
  outline: none;
}

.service-submenu-index {
  color: #5dc2ff;
  font-family: "Orbitron", "Noto Sans TC", sans-serif;
  font-size: 10px;
  font-weight: 700;
  line-height: 1.9;
}

.service-submenu-link strong,
.service-submenu-link small {
  display: block;
  letter-spacing: 0;
}

.service-submenu-link strong {
  color: #edf4ff;
  font-size: 14px;
  line-height: 1.45;
}

.service-submenu-link small {
  margin-top: 2px;
  color: #9fadc3;
  font-size: 11px;
  line-height: 1.45;
}

.service-submenu-all {
  display: flex;
  min-height: 38px;
  margin-top: 4px;
  padding: 0 12px;
  align-items: center;
  justify-content: space-between;
  color: #a9b8cc;
  border-top: 1px solid rgba(126, 163, 217, 0.2);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
}

.service-submenu-all::after {
  content: "→";
  color: #49d6ad;
  font-size: 16px;
}

.service-submenu-all:hover,
.service-submenu-all:focus-visible {
  color: #5dc2ff;
  outline: none;
}

@media (max-width: 760px) {
  .opshub-nav-link {
    display: flex;
    min-height: 40px;
    padding: 8px 12px;
    color: var(--foreground, #edf4ff);
    border-radius: 6px;
    font-size: 16px;
    line-height: 24px;
  }

  .opshub-nav-link.is-active {
    background: rgba(99, 185, 255, 0.1);
  }

  .opshub-nav-link.is-active::after {
    display: none;
  }

  .service-submenu {
    max-height: calc(100vh - 96px);
    overflow-y: auto;
  }

  .service-submenu-link {
    padding: 11px 10px;
  }
}

@media (min-width: 761px) and (max-width: 1040px) {
  .site-header .opshub-nav-link {
    display: none;
  }
}