/* ===== FAQ：淺灰底、白色分隔、左文右＋ ===== */
.pm-faq {
  background: #f0f0f0; /* 淺灰底 */
  padding-top: clamp(20px, 5vw, 36px);
  padding-bottom: clamp(24px, 6vw, 44px);
}

.pm-faq .pm-heading-main {
  margin-bottom: clamp(12px, 4vw, 20px);
}

.pm-faq__list {
  margin: 0;
  padding: 0;
}

.pm-faq__item {
  list-style: none;
  border-top: 1px solid #fff; /* 白色分隔線 */
}
.pm-faq__item:last-child {
  border-bottom: 1px solid #fff; /* 最後一條 */
}

/* 問題列（按鈕） */
.pm-faq__btn {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto; /* 左文字、右icon */
  align-items: center;
  gap: 12px;
  padding: clamp(14px, 4vw, 18px) clamp(12px, 4vw, 16px);
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
}

.pm-faq__q {
  font-size: clamp(16px, 4.4vw, 18px);
  color: #222;
}

/* ＋ icon（開合時變 −） */
.pm-faq__icon {
  position: relative;
  width: 22px;
  height: 22px;
}
.pm-faq__icon::before,
.pm-faq__icon::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 16px;
  height: 2px;
  background: #666;
  /* border-radius: 2px; */
  transition: transform 0.25s var(--pm-ease);
}
.pm-faq__icon::after {
  transform: rotate(90deg);
}
.pm-faq__btn[aria-expanded="true"] .pm-faq__icon::after {
  transform: rotate(0deg);
}

/* 答案面板 */
.pm-faq__panel {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.3s var(--pm-ease), opacity 0.25s var(--pm-ease);
  will-change: max-height, opacity;
  background: #f8f8f8; /* 稍淺的底，與外層有層次 */
}
.pm-faq__panel.is-open {
  opacity: 1;
}

.pm-faq__a {
  padding: 0 clamp(12px, 4vw, 16px) clamp(14px, 4vw, 18px);
  font-size: clamp(15px, 4vw, 16px);
  line-height: 1.8;
  color: #444;
}