/* ==========================================================================
   明健 MING JIAN - 常見問題與聯絡專屬樣式表 (HELP CENTER & FAQ CSS)
   參考 ZENB / Zendesk Help Center 日系現代化服務體系
   特色：即時關鍵字搜尋、四大分類切換、熱門問題速查、流暢手風琴折疊、多管道客服中心
   規範：18px 手機邊距、零 Emoji、無橫向溢出、嚴格日系極簡美學
   ========================================================================== */

/* --- 1. 麵包屑導航 (BREADCRUMB) --- */
.faq-breadcrumb-wrap {
  background-color: #F8FAF8;
  border-bottom: 1px solid #EBEFEA;
  padding: 12px 0;
}

.faq-breadcrumb {
  font-size: 0.85rem;
  color: #6D7A73;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.faq-breadcrumb a {
  color: var(--color-primary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.faq-breadcrumb a:hover {
  color: var(--color-primary-light);
}

.faq-breadcrumb-separator {
  opacity: 0.5;
}

.faq-breadcrumb-current {
  color: #2D3A33;
  font-weight: 600;
}

/* --- 2. 幫助中心頂部 HERO (ZENB 搜尋與主標) --- */
.faq-hero {
  background: linear-gradient(180deg, #F4F8F5 0%, #FFFFFF 100%);
  padding: 72px 0 48px;
  border-bottom: 1px solid #EBEFEA;
  text-align: center;
  position: relative;
}

.faq-hero-tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  color: var(--color-primary);
  background-color: rgba(0, 71, 39, 0.08);
  border: 1px solid rgba(0, 71, 39, 0.15);
  padding: 6px 16px;
  border-radius: 9999px;
  margin-bottom: 18px;
  text-transform: uppercase;
}

.faq-hero-title {
  font-family: 'Noto Serif TC', 'Songti TC', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.35;
  letter-spacing: 0.02em;
  margin-bottom: 14px;
}

.faq-hero-desc {
  font-size: 1.05rem;
  color: #55635C;
  line-height: 1.8;
  max-width: 680px;
  margin: 0 auto 32px;
}

/* 即時搜尋框 (Instant Search Bar) */
.faq-search-box-wrap {
  max-width: 640px;
  margin: 0 auto;
  position: relative;
}

.faq-search-input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.faq-search-icon {
  position: absolute;
  left: 20px;
  width: 20px;
  height: 20px;
  color: #7D8C83;
  pointer-events: none;
}

.faq-search-input {
  width: 100%;
  padding: 16px 20px 16px 54px;
  font-size: 1.05rem;
  color: #2D3A33;
  background: #FFFFFF;
  border: 2px solid #D6E2DB;
  border-radius: 9999px;
  outline: none;
  box-shadow: 0 4px 16px rgba(0, 71, 39, 0.06);
  transition: all var(--transition-fast);
}

.faq-search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 6px 20px rgba(0, 71, 39, 0.12);
}

.faq-search-input::placeholder {
  color: #8C9991;
  font-size: 0.98rem;
}

.faq-search-clear {
  position: absolute;
  right: 18px;
  background: none;
  border: none;
  color: #8C9991;
  font-size: 1.2rem;
  cursor: pointer;
  display: none;
  padding: 4px;
}

.faq-search-clear.active {
  display: block;
}

.faq-search-clear:hover {
  color: var(--color-primary);
}

/* 搜尋關鍵字快捷標籤 (Search Pills) */
.faq-search-hints {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
  font-size: 0.85rem;
  color: #728078;
}

.faq-search-hint-pill {
  background: #FFFFFF;
  border: 1px solid #DCE6E0;
  color: #495750;
  padding: 4px 12px;
  border-radius: 9999px;
  cursor: pointer;
  font-size: 0.82rem;
  transition: all var(--transition-fast);
}

.faq-search-hint-pill:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

/* --- 3. 熱門常見問題精選 TOP 4 (TOP ASKED ACCELERATOR) --- */
.faq-top-section {
  padding: 36px 0 16px;
  background: #FFFFFF;
}

.faq-top-wrap {
  background: #F9FAF9;
  border: 1px solid #E4EDE7;
  border-radius: 18px;
  padding: 32px 36px;
}

.faq-top-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.faq-top-badge {
  font-family: var(--font-en);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: #B38646;
  background: #F4EEDF;
  padding: 4px 10px;
  border-radius: 6px;
}

.faq-top-title {
  font-family: 'Noto Serif TC', 'Songti TC', serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
}

.faq-top-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.faq-top-item {
  background: #FFFFFF;
  border: 1px solid #E2EBE5;
  border-radius: 12px;
  padding: 16px 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: all var(--transition-fast);
}

.faq-top-item:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(0, 71, 39, 0.05);
  transform: translateX(2px);
}

.faq-top-item-q {
  font-size: 0.95rem;
  font-weight: 600;
  color: #2D3A33;
  line-height: 1.45;
}

.faq-top-item-arrow {
  color: var(--color-primary);
  font-size: 1.1rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* --- 4. 四大分類快速導覽卡片 (ZENB CATEGORY GRID) --- */
.faq-categories-section {
  padding: 16px 0 28px;
  background: #FFFFFF;
}

.faq-categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.faq-cat-card {
  background: #FAFBF9;
  border: 1px solid #E2EAE4;
  border-radius: 14px;
  padding: 24px 20px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  min-height: 104px;
}

.faq-cat-card:hover {
  background: #FFFFFF;
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 71, 39, 0.08);
}

.faq-cat-card.active {
  background: #FFFFFF;
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(0, 71, 39, 0.1);
}

.faq-cat-card.active::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 20%;
  width: 60%;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: 3px 3px 0 0;
}

.faq-cat-title {
  font-family: 'Noto Serif TC', 'Songti TC', serif;
  font-size: 1.12rem;
  font-weight: 700;
  color: #2D3A33;
  margin-bottom: 6px;
  transition: color var(--transition-fast);
}

.faq-cat-card:hover .faq-cat-title,
.faq-cat-card.active .faq-cat-title {
  color: var(--color-primary);
}

.faq-cat-desc {
  font-size: 0.85rem;
  color: #6E7C74;
  line-height: 1.5;
  margin: 0;
}

/* --- 5. 主題手風琴問答列表 (ACCORDION FAQ LIST) --- */
.faq-main-section {
  padding: 16px 0 80px;
  background: #FFFFFF;
}

.faq-content-wrap {
  max-width: 920px;
  margin: 0 auto;
}

.faq-category-block {
  margin-bottom: 48px;
}

.faq-category-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 2px solid rgba(0, 71, 39, 0.15);
  margin-bottom: 20px;
}

.faq-category-num {
  font-family: var(--font-en);
  font-size: 0.9rem;
  font-weight: 800;
  color: #B38646;
  letter-spacing: 1px;
}

.faq-category-heading {
  font-family: 'Noto Serif TC', 'Songti TC', serif;
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
  margin: 0;
}

/* 手風琴單條 (Accordion Item) */
.faq-accordion-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: #FFFFFF;
  border: 1px solid #E2E8E4;
  border-radius: 12px;
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item:hover {
  border-color: #CAD7CE;
}

.faq-item.active {
  border-color: var(--color-primary);
  box-shadow: 0 4px 18px rgba(0, 71, 39, 0.06);
}

.faq-question-btn {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  cursor: pointer;
}

.faq-q-text-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.faq-q-badge {
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--color-primary);
  background: rgba(0, 71, 39, 0.08);
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.faq-item.active .faq-q-badge {
  background: var(--color-primary);
  color: #FFFFFF;
}

.faq-q-text {
  font-family: 'Noto Serif TC', 'Songti TC', serif;
  font-size: 1.08rem;
  font-weight: 700;
  color: #2D3A33;
  line-height: 1.5;
  letter-spacing: 0.01em;
}

.faq-toggle-icon {
  width: 20px;
  height: 20px;
  color: #7D8C83;
  transition: transform var(--transition-fast), color var(--transition-fast);
  flex-shrink: 0;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(180deg);
  color: var(--color-primary);
}

/* 手風琴答案抽屜 (Accordion Answer Drawer) */
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
  background: #FAFBF9;
}

.faq-answer-inner {
  padding: 0 24px 24px 66px;
  font-size: 0.98rem;
  color: #4D5A53;
  line-height: 1.95;
}

.faq-answer-inner p {
  margin-bottom: 12px;
}

.faq-answer-inner p:last-child {
  margin-bottom: 0;
}

.faq-answer-inner ul {
  margin: 10px 0 12px 20px;
  padding: 0;
}

.faq-answer-inner li {
  margin-bottom: 6px;
}

/* 搜尋無結果狀態 (No Results State) */
.faq-no-results {
  display: none;
  text-align: center;
  padding: 48px 24px;
  background: #F9FAF9;
  border: 1px dashed #CAD7CE;
  border-radius: 16px;
  margin: 32px 0;
}

.faq-no-results.active {
  display: block;
}

.faq-no-results-title {
  font-family: 'Noto Serif TC', 'Songti TC', serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: #2D3A33;
  margin-bottom: 10px;
}

.faq-no-results-desc {
  font-size: 0.95rem;
  color: #6D7A73;
  margin-bottom: 20px;
}

/* --- 6. 多管道客服專區 (CONTACT SUPPORT HUB) --- */
.faq-contact-section {
  padding: 84px 0 96px;
  background: #FAF8F5; /* 溫和日式米白色 */
  border-top: 1px solid #EBE7E0;
}

.faq-contact-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 52px;
}

.faq-contact-tag {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: #B38646;
  margin-bottom: 10px;
  display: inline-block;
  text-transform: uppercase;
}

.faq-contact-title {
  font-family: 'Noto Serif TC', 'Songti TC', serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: #2D3A33;
  line-height: 1.38;
  letter-spacing: 0.02em;
  margin-bottom: 14px;
}

.faq-contact-desc {
  font-size: 1.02rem;
  color: #5D6A62;
  line-height: 1.85;
}

/* 客服雙欄佈局：左側即時聯繫卡，右側留言表單 */
.faq-contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  max-width: 1080px;
  margin: 0 auto;
}

/* 左側：直接聯繫卡群 (Direct Contact Cards) */
.faq-direct-contacts {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-channel-card {
  background: #FFFFFF;
  border: 1px solid #E4EAE6;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
  display: flex;
  align-items: flex-start;
  gap: 18px;
  transition: all var(--transition-fast);
}

.contact-channel-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(0, 71, 39, 0.06);
}

.contact-channel-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(0, 71, 39, 0.08);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-channel-card.line-card .contact-channel-icon {
  background: rgba(6, 199, 85, 0.1);
  color: #06C755;
}

.contact-channel-info {
  flex-grow: 1;
}

.channel-tag {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: #7A8981;
  margin-bottom: 4px;
  text-transform: uppercase;
}

.channel-title {
  font-family: 'Noto Serif TC', 'Songti TC', serif;
  font-size: 1.18rem;
  font-weight: 700;
  color: #2D3A33;
  margin-bottom: 6px;
}

.channel-detail {
  font-size: 0.92rem;
  color: #55625A;
  line-height: 1.6;
  margin-bottom: 12px;
}

.channel-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.contact-channel-card.line-card .channel-action-btn {
  color: #06C755;
}

.channel-action-btn:hover {
  transform: translateX(3px);
}

/* 右側：線上留言諮詢表單 (Contact Form) */
.faq-form-card {
  background: #FFFFFF;
  border: 1px solid #E2E8E4;
  border-radius: 20px;
  padding: 40px 36px;
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.04);
}

.faq-form-title {
  font-family: 'Noto Serif TC', 'Songti TC', serif;
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.faq-form-desc {
  font-size: 0.92rem;
  color: #6C7A72;
  margin-bottom: 28px;
  line-height: 1.6;
}

.faq-form-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: #334038;
}

.form-req {
  color: #D32F2F;
  margin-left: 2px;
}

.form-opt {
  font-size: 0.78rem;
  color: #8C9991;
  font-weight: normal;
  margin-left: 4px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.95rem;
  color: #2D3A33;
  background: #FDFDFD;
  border: 1px solid #D2DDD7;
  border-radius: 8px;
  outline: none;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 71, 39, 0.08);
  background: #FFFFFF;
}

.form-textarea {
  min-height: 110px;
  resize: vertical;
}

.btn-form-submit {
  width: 100%;
  padding: 15px;
  background: var(--color-primary);
  color: #FFFFFF;
  border: none;
  border-radius: 8px;
  font-size: 1.02rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(0, 71, 39, 0.18);
  margin-top: 8px;
}

.btn-form-submit:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 71, 39, 0.25);
}

/* 表單送出成功彈窗 (Feedback Modal) */
.form-success-toast {
  display: none;
  background: #E8F5E9;
  border: 1px solid #C8E6C9;
  color: #2E7D32;
  padding: 16px 20px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  margin-top: 16px;
  align-items: center;
  gap: 10px;
}

.form-success-toast.active {
  display: flex;
}

/* ==========================================================================
   7. 響應式佈局 (RESPONSIVE BREAKPOINTS - 393px, 768px, 1024px)
   落實 18px 手機容器邊距，無橫向溢出
   ========================================================================== */
@media (max-width: 1024px) {
  .faq-categories-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .faq-contact-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .container {
    padding-left: 18px !important;
    padding-right: 18px !important;
  }

  .faq-hero {
    padding: 42px 0 32px;
  }

  .faq-hero-title {
    font-size: 1.85rem;
  }

  .faq-hero-desc {
    font-size: 0.95rem;
    margin-bottom: 24px;
  }

  .faq-search-input {
    padding: 14px 16px 14px 48px;
    font-size: 0.95rem;
  }

  .faq-search-icon {
    left: 16px;
    width: 18px;
    height: 18px;
  }

  .faq-top-wrap {
    padding: 22px 18px;
    border-radius: 14px;
  }

  .faq-top-title {
    font-size: 1.15rem;
  }

  .faq-top-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .faq-top-item {
    padding: 14px 16px;
  }

  .faq-categories-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .faq-cat-card {
    padding: 16px 12px;
    min-height: 88px;
  }

  .faq-cat-title {
    font-size: 0.96rem;
    margin-bottom: 4px;
  }

  .faq-cat-desc {
    display: block;
    font-size: 0.76rem;
    color: #7A8981;
    line-height: 1.4;
  }

  .faq-category-heading {
    font-size: 1.35rem;
  }

  .faq-question-btn {
    padding: 16px 18px;
  }

  .faq-q-text {
    font-size: 0.98rem;
  }

  .faq-answer-inner {
    padding: 0 18px 18px 52px;
    font-size: 0.92rem;
  }

  .faq-contact-section {
    padding: 56px 0 68px;
  }

  .faq-contact-title {
    font-size: 1.65rem;
  }

  .faq-form-card {
    padding: 28px 18px;
    border-radius: 16px;
  }

  .form-group-row {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}