@charset "utf-8";
/* ==========================================================================
   常見問題 FAQ —— dental853.com 五個頁面共用
   頁面修飾類：.faq-part--index / --intro / --doctor / --charge / --guide
   純 CSS 手風琴（details/summary），不依賴 JS
   ========================================================================== */

.faq-part {
  --faq-main: #095398;
  --faq-main-deep: #005e96;
  --faq-line: #e3ecf3;
  --faq-line-strong: #b9d4e6;
  --faq-title: #16303f;
  --faq-text: #4a5b66;
  --faq-muted: #6b7c88;
  width: 1200px;
  margin: 3.4% auto 4.4%;
  box-sizing: border-box;
}

/* ---------- 标题 ---------- */
.faq-part .faq-head {
  margin-bottom: 22px;
}

.faq-part .s_title {
  line-height: 1.3;
}

.faq-part .s_title span {
  color: inherit;
  font-weight: 400;
}

.faq-part .faq-lead {
  margin-top: 10px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--faq-muted);
  letter-spacing: 0.2px;
}

/* ---------- 列表 ---------- */
.faq-part .faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-part .faq-item {
  position: relative;
  background: #fff;
  border: 1px solid var(--faq-line);
  border-radius: 10px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.faq-part .faq-item:hover {
  border-color: var(--faq-line-strong);
  box-shadow: 0 6px 16px rgba(9, 83, 152, 0.06);
}

.faq-part .faq-item[open] {
  border-color: #c3dcee;
  box-shadow: 0 8px 20px rgba(9, 83, 152, 0.08);
  background: #fbfdff;
}

/* ---------- 问题行 ---------- */
.faq-part .faq-q {
  position: relative;
  display: flex;
  align-items: flex-start;
  padding: 18px 54px 18px 20px;
  cursor: pointer;
  list-style: none;
  outline: none;
}

.faq-part .faq-q::-webkit-details-marker {
  display: none;
}

.faq-part .faq-q::marker {
  content: "";
}

.faq-part .faq-q:focus-visible {
  border-radius: 10px;
  box-shadow: 0 0 0 2px rgba(9, 83, 152, 0.28);
}

.faq-part .faq-badge {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  margin: 1px 12px 0 0;
  border-radius: 6px;
  background: var(--faq-main);
  color: #fff;
  font: 700 15px/26px Arial, Helvetica, sans-serif;
  text-align: center;
  transition: background-color 0.25s ease;
}

.faq-part .faq-item[open] .faq-badge {
  background: var(--faq-main-deep);
}

.faq-part .faq-q-text {
  flex: 1 1 auto;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--faq-title);
  letter-spacing: 0.2px;
  transition: color 0.25s ease;
}

.faq-part .faq-q:hover .faq-q-text {
  color: var(--faq-main);
}

.faq-part .faq-arrow {
  position: absolute;
  right: 24px;
  top: 50%;
  width: 9px;
  height: 9px;
  margin-top: -7px;
  border-right: 2px solid #8aa6b8;
  border-bottom: 2px solid #8aa6b8;
  transform: rotate(45deg);
  transition: transform 0.3s ease, border-color 0.3s ease, margin-top 0.3s ease;
}

.faq-part .faq-item[open] .faq-arrow {
  margin-top: -2px;
  border-color: var(--faq-main);
  transform: rotate(-135deg);
}

/* ---------- 答案 ---------- */
.faq-part .faq-a {
  padding: 0 54px 20px 58px;
  font-size: 16px;
  line-height: 1.95;
  color: var(--faq-text);
  text-align: left;
  animation: faqFadeIn 0.28s ease both;
}

.faq-part .faq-a p {
  margin: 0;
}

.faq-part .faq-a p + p {
  margin-top: 8px;
}

.faq-part .faq-a .faq-sub-list {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.faq-part .faq-a .faq-sub-list li {
  position: relative;
  padding-left: 14px;
  line-height: 1.95;
}

.faq-part .faq-a .faq-sub-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #9dc0d8;
}

.faq-part .faq-a .faq-sub-list a {
  color: var(--faq-main);
  border-bottom: 1px solid rgba(9, 83, 152, 0.25);
}

.faq-part .faq-a .faq-sub-list a:hover {
  border-bottom-color: var(--faq-main);
}

/* ---------- 免责提示 ---------- */
.faq-part .faq-note {
  margin-top: 16px;
  font-size: 13px;
  line-height: 1.9;
  color: #93a4af;
}

@keyframes faqFadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .faq-part .faq-item,
  .faq-part .faq-badge,
  .faq-part .faq-arrow,
  .faq-part .faq-q-text {
    transition: none;
  }
  .faq-part .faq-a {
    animation: none;
  }
}

/* ==========================================================================
   收費標準頁：沿用該頁 .part-title（30px 居中 + 裝飾線）與 1250 容器
   ========================================================================== */
.faq-part--charge {
  width: 1250px;
}

.faq-part--charge .faq-head {
  text-align: center;
  margin-bottom: 30px;
}

.faq-part--charge .part-title {
  margin: 0;
  font-weight: 400;
}

.faq-part--charge .faq-lead {
  margin-top: 36px;
}

/* ==========================================================================
   響應式：與各頁自身斷點對齊（1400 / 1350 / 1024 / 1020 / 768 / 500）
   ========================================================================== */
@media screen and (max-width: 1400px) {
  .faq-part {
    width: 980px;
  }
  .faq-part--charge {
    width: 1250px;
  }
}

@media screen and (max-width: 1350px) {
  .faq-part--charge {
    width: 980px;
  }
}

@media screen and (max-width: 1024px) {
  .faq-part,
  .faq-part--charge {
    width: 94%;
  }
  .faq-part .faq-q {
    padding: 16px 48px 16px 16px;
  }
  .faq-part .faq-q-text {
    font-size: 17px;
  }
  .faq-part .faq-a {
    padding: 0 48px 18px 54px;
  }
  .faq-part--charge .part-title {
    font-size: 26px;
  }
  .faq-part--charge .faq-lead {
    margin-top: 32px;
  }
}

@media screen and (max-width: 768px) {
  .faq-part,
  .faq-part--charge {
    width: 94%;
    margin: 5% auto 7%;
  }
  .faq-part .faq-head {
    margin-bottom: 16px;
  }
  .faq-part .s_title {
    font-size: 22px;
  }
  .faq-part .s_title span {
    font-size: 15px;
  }
  .faq-part .faq-lead {
    margin-top: 8px;
    font-size: 14px;
    line-height: 1.75;
  }
  .faq-part .faq-list {
    gap: 10px;
  }
  .faq-part .faq-q {
    padding: 14px 40px 14px 14px;
  }
  .faq-part .faq-badge {
    width: 22px;
    height: 22px;
    margin-right: 9px;
    font-size: 13px;
    line-height: 22px;
    border-radius: 5px;
  }
  .faq-part .faq-q-text {
    font-size: 15.5px;
    line-height: 1.55;
  }
  .faq-part .faq-arrow {
    right: 16px;
    width: 8px;
    height: 8px;
  }
  .faq-part .faq-a {
    padding: 0 16px 16px 45px;
    font-size: 14.5px;
    line-height: 1.85;
    text-align: left;
  }
  .faq-part .faq-note {
    margin-top: 12px;
    font-size: 12px;
  }
  .faq-part--charge .part-title {
    font-size: 22px;
  }
  .faq-part--charge .part-title::before {
    width: 130px;
  }
  .faq-part--charge .faq-lead {
    margin-top: 28px;
  }
}

@media screen and (max-width: 500px) {
  .faq-part .faq-q-text {
    font-size: 15px;
  }
  .faq-part .faq-a {
    padding-left: 14px;
    font-size: 14px;
  }
  .faq-part .faq-a .faq-sub-list li {
    padding-left: 12px;
  }
}