/* ===== NDUSTRIAL CLASSIFICATION 基本尺寸與排版===== */
.industries-section {
  padding: clamp(48px, 6vw, 96px) 0;
  background: #fff;
}

.industries-title {
  text-align: center;
  font-weight: 700;
  font-size: clamp(24px, 3vw, 32px);
  margin-bottom: 0.5rem;
}

.industries-subtitle {
  text-align: center;
  font-size: clamp(16px, 1.6vw, 18px);
  margin-bottom: 2rem;
  opacity: 0.8;
}

.accordion-item {
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
}

.accordion-button {
  font-weight: 400;
  font-size: 16px;
  color: #111827;
}

.accordion-button:not(.collapsed) {
  color: #2c295a;
  background: #f8f9fa;
  box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.125);
}

.industries-more {
  margin-top: 1.5rem;
}

.industries-section {
  padding: clamp(48px, 6vw, 96px) 0;
  background: #fff;
}
.industries-title {
  text-align: center;
  font-weight: 700;
  font-size: clamp(24px, 3vw, 32px);
  margin-bottom: 0.25rem;
}
.industries-subtitle {
  text-align: center;
  font-size: clamp(16px, 1.6vw, 18px);
  opacity: 0.8;
  margin-bottom: 1.25rem;
}

/*其它更多產業別按鈕顏色 +*/
.industries-more .btn-outline-secondary {
  color: #ffffff; /* 字色 */
  background-color: var(--color-primary); /* 背景色 */
  border-color: var(--color-primary); /* 邊框色 */
}
.industries-more .btn-outline-secondary:hover {
  color: #fff;
  background-color: var(--color-secondary); /* hover 時更深色 */
  border-color: var(--color-secondary);
}

/* 卡片感 */
.industries-accordion .accordion-item {
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
  margin-bottom: 12px;
}

/* 列外觀 */
.industries-accordion .accordion-button {
  font-weight: 600;
  color: #111827;
  background: #fff;
  padding: 0.9rem 1rem;
}
.industries-accordion .accordion-button .arrow {
  transition: transform 0.2s ease, opacity 0.2s ease;
  opacity: 0.8;
}
.industries-accordion .accordion-button::after {
  display: none;
} /* 關掉預設箭頭 */

/* 展開時變色＋箭頭旋轉 */
.industries-accordion .accordion-button:not(.collapsed) {
  color: #2c295a;
  background: #f8f9fa;
  box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.06);
}
.industries-accordion .accordion-button:not(.collapsed) .arrow {
  transform: rotate(180deg);
  opacity: 1;
}

/* 內容區 */
.industries-accordion .accordion-body {
  padding: 1rem 1rem 1.1rem;
  color: #374151;
}

/* 底部按鈕 */
.industries-more {
  margin-top: 1rem;
}
#toggleMoreIndustries {
  padding: 0.8rem 1rem;
}

/* 手機微調 */
@media (max-width: 576px) {
  .industries-title {
    font-size: clamp(22px, 4.4vw, 28px);
  }
  .industries-subtitle {
    margin-bottom: 1rem;
  }
}