/* ====== FAQ 容器 ====== */
.fp-faq {
  max-width: 720px;
  margin: 40px auto;
  padding: 0 16px;
  font-family: "Noto Sans TC", "PingFang TC", -apple-system, BlinkMacSystemFont, sans-serif;
  color: #222;
}

/* 標題 */
.fp-faq-title {
  text-align: center;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin: 0 0 20px;
  position: relative;
}

/* 標題底下那條小線 */
.fp-faq-title::after {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  border-radius: 999px;
  margin: 10px auto 0;
  background: linear-gradient(90deg, #ff8a3d, #ffb36b);
}

/* ====== 每一條 FAQ ====== */
.fp-faq-item {
  border-radius: 10px;
  border: 1px solid #e3e3e3;
  background-color: #ffffff;
  padding: 0;
  margin-bottom: 10px;
  overflow: hidden;
  transition: box-shadow 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

/* 展開時一點立體感 */
.fp-faq-item[open] {
  border-color: #ffb36b;
  background-color: #fff9f3;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* summary ＝ 問題列 */
.fp-faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  font-size: 16px;
  font-weight: 600;
}

/* 隱藏預設箭頭 */
.fp-faq-item summary::-webkit-details-marker {
  display: none;
}

/* 問題文字 */
.fp-faq-question {
  flex: 1;
  margin-right: 12px;
}

/* 右邊小箭頭 */
.fp-faq-arrow {
  width: 10px;
  height: 10px;
  border-right: 2px solid #999;
  border-bottom: 2px solid #999;
  transform: rotate(45deg);
  transition: transform 0.2s ease, border-color 0.2s ease;
  flex-shrink: 0;
}

/* 展開時箭頭向上＋變橘色 */
.fp-faq-item[open] .fp-faq-arrow {
  transform: rotate(225deg);
  border-color: #ff8a3d;
}

/* 內容區 */
.fp-faq-content {
  padding: 0 14px 12px 14px;
  font-size: 14px;
  line-height: 1.7;
  color: #555;
  border-top: 1px solid #f0f0f0;
}

/* hover 小小提示感（桌機為主） */
.fp-faq-item summary:hover {
  background-color: #fff5ec;
}

/* ====== RWD：平板（<= 1024px） ====== */
@media (max-width: 1024px) {
  .fp-faq {
    max-width: 640px;
    margin: 32px auto;
    padding: 0 20px;
  }

  .fp-faq-title {
    font-size: 22px;
  }

  .fp-faq-item summary {
    font-size: 15.5px;
    padding: 10px 12px;
  }

  .fp-faq-content {
    font-size: 13.5px;
  }
}

/* ====== RWD：小平板、手機橫向（<= 768px） ====== */
@media (max-width: 768px) {
  .fp-faq {
    max-width: 100%;
    margin: 28px auto;
    padding: 0 16px;
  }

  .fp-faq-title {
    font-size: 20px;
    margin-bottom: 16px;
  }

  .fp-faq-item {
    border-radius: 8px;
  }

  .fp-faq-item summary {
    font-size: 15px;
    padding: 10px 10px;
  }

  .fp-faq-content {
    padding: 0 10px 10px 10px;
    font-size: 13px;
  }
}

/* ====== RWD：手機直立（<= 480px） ====== */
@media (max-width: 480px) {
  .fp-faq {
    margin: 24px auto;
    padding: 0 12px;
  }

  .fp-faq-title {
    font-size: 18px;
    letter-spacing: 0.05em;
  }

  .fp-faq-title::after {
    width: 44px;
    height: 2px;
  }

  .fp-faq-item summary {
    font-size: 14px;
    padding: 9px 8px;
  }

  .fp-faq-content {
    font-size: 12.5px;
    line-height: 1.6;
    padding: 0 8px 9px 8px;
  }

  .fp-faq-arrow {
    width: 9px;
    height: 9px;
  }
}