/* ===== 页面专属：帮助中心 (page-faq) ===== */
.page-faq {
  --faq-hero-height: 300px;
  --faq-hero-title-size: 2.8rem;
  --faq-hero-sub-size: 1.1rem;
  --faq-max-width: 820px;
  --faq-card-radius: 6px;
  --faq-gold-line: 3px;
  --faq-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --faq-search-border: 2px;

  background: var(--light-bg, #F4F6F9);
  color: var(--text-primary, #1A1A2E);
  font-family: var(--font-body, 'Roboto Light', sans-serif);
  line-height: 1.6;
  min-height: 60vh;
}

/* ----- 横幅区 ----- */
.page-faq .faq-hero {
  position: relative;
  width: 100%;
  height: var(--faq-hero-height);
  overflow: hidden;
  background: var(--dark-bg, #0A1D3A);
}

.page-faq .faq-hero-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.55;
  max-width: 100%;
}

.page-faq .faq-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,29,58,0.88) 0%, rgba(11,61,145,0.72) 100%);
  pointer-events: none;
}

.page-faq .faq-hero-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 1.5rem 1rem;
  text-align: center;
  color: var(--text-inverse, #FFFFFF);
  z-index: 2;
}

.page-faq .faq-hero-gold-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--faq-gold-line);
  background: var(--gold, #D4AF37);
  z-index: 3;
}

.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  color: var(--text-inverse-dim, #C8D0DC);
  letter-spacing: 0.02em;
}

.page-faq .breadcrumb a {
  color: var(--gold-light, #E8C94A);
  text-decoration: none;
  transition: color var(--transition-fast, 0.2s ease);
}

.page-faq .breadcrumb a:hover {
  color: var(--accent, #FF6B35);
}

.page-faq .breadcrumb-sep {
  color: var(--text-inverse-dim, #C8D0DC);
  opacity: 0.6;
}

.page-faq .breadcrumb-current {
  color: var(--text-inverse, #FFFFFF);
  font-weight: 600;
}

.page-faq .faq-hero-title {
  font-family: var(--font-heading, 'Montserrat Black', sans-serif);
  font-size: var(--faq-hero-title-size);
  line-height: 1.15;
  margin: 0 0 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.page-faq .faq-hero-sub {
  font-size: var(--faq-hero-sub-size);
  max-width: 520px;
  margin: 0;
  color: var(--text-inverse-dim, #C8D0DC);
  font-weight: 300;
  letter-spacing: 0.01em;
}

/* ----- 搜索帮助框 ----- */
.page-faq .faq-search-section {
  background: var(--light-bg-alt, #E8ECF2);
  padding: 2rem 1rem;
  border-bottom: 1px solid rgba(212,175,55,0.25);
}

.page-faq .faq-search-inner {
  max-width: var(--faq-max-width, 820px);
  margin: 0 auto;
  text-align: center;
}

.page-faq .faq-search-box {
  position: relative;
  display: flex;
  align-items: center;
  max-width: 600px;
  margin: 0 auto;
  background: var(--text-inverse, #FFFFFF);
  border: var(--faq-search-border) solid var(--accent, #FF6B35);
  border-radius: var(--radius-card, 8px);
  box-shadow: 0 2px 8px rgba(255,107,53,0.08);
  transition: box-shadow var(--transition-base, 0.3s ease), border-color var(--transition-base, 0.3s ease);
}

.page-faq .faq-search-box:focus-within {
  box-shadow: 0 4px 20px rgba(255,107,53,0.18);
  border-color: var(--gold, #D4AF37);
}

.page-faq .faq-search-icon {
  flex: 0 0 auto;
  margin: 0 0.75rem;
  color: var(--text-secondary, #5A5A7A);
  pointer-events: none;
  transition: color var(--transition-fast, 0.2s ease);
}

.page-faq .faq-search-box:focus-within .faq-search-icon {
  color: var(--accent, #FF6B35);
}

.page-faq .faq-search-input {
  flex: 1 1 auto;
  min-width: 0;
  border: none;
  background: transparent;
  padding: 0.85rem 0.75rem 0.85rem 0;
  font-family: var(--font-body, 'Roboto Light', sans-serif);
  font-size: 1rem;
  color: var(--text-primary, #1A1A2E);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.page-faq .faq-search-input::placeholder {
  color: var(--text-secondary, #5A5A7A);
  opacity: 0.7;
  font-weight: 300;
}

.page-faq .faq-search-focus-line {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: var(--faq-search-border);
  background: var(--gold, #D4AF37);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-base, 0.3s ease);
  border-radius: 0 0 var(--radius-card, 8px) var(--radius-card, 8px);
  pointer-events: none;
}

.page-faq .faq-search-box:focus-within .faq-search-focus-line {
  transform: scaleX(1);
}

.page-faq .faq-search-hint {
  margin: 0.7rem 0 0;
  font-size: 0.85rem;
  color: var(--text-secondary, #5A5A7A);
  font-weight: 300;
}

/* ----- 分类问题列表 ----- */
.page-faq .faq-categories {
  padding: 2.5rem 1rem 3rem;
}

.page-faq .faq-categories-inner {
  max-width: var(--faq-max-width, 820px);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2.2rem;
}

.page-faq .faq-category {
  background: var(--text-inverse, #FFFFFF);
  border-radius: var(--radius-card, 8px);
  box-shadow: var(--shadow-card, 0 4px 12px rgba(10,29,58,0.12));
  overflow: hidden;
  border-left: var(--faq-gold-line) solid var(--gold, #D4AF37);
  transition: box-shadow var(--transition-base, 0.3s ease);
}

.page-faq .faq-category:hover {
  box-shadow: var(--shadow-card-hover, 0 8px 24px rgba(10,29,58,0.2));
}

.page-faq .faq-category-heading {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0;
  padding: 1.2rem 1.5rem 0.6rem;
  font-family: var(--font-heading, 'Montserrat Black', sans-serif);
  font-size: 1.25rem;
  color: var(--primary, #0B3D91);
  letter-spacing: 0.01em;
  border-bottom: 1px solid var(--light-bg-alt, #E8ECF2);
}

.page-faq .faq-category-icon {
  display: block;
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: var(--radius, 4px);
  flex: 0 0 auto;
  max-width: 100%;
  height: auto;
}

.page-faq .faq-items {
  padding: 0.25rem 0;
}

/* ----- 单个问题折叠面板 ----- */
.page-faq .faq-item {
  display: block;
  border-bottom: 1px solid var(--light-bg-alt, #E8ECF2);
  transition: background var(--transition-fast, 0.2s ease);
}

.page-faq .faq-item:last-child {
  border-bottom: none;
}

.page-faq .faq-item[open] {
  background: rgba(11,61,145,0.02);
}

.page-faq .faq-item-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background var(--transition-fast, 0.2s ease);
}

.page-faq .faq-item-summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item-summary:hover {
  background: var(--light-bg-alt, #E8ECF2);
}

.page-faq .faq-item-question {
  margin: 0;
  font-family: var(--font-body, 'Roboto Light', sans-serif);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary, #1A1A2E);
  line-height: 1.4;
  letter-spacing: 0.01em;
  transition: color var(--transition-fast, 0.2s ease);
}

.page-faq .faq-item-summary:hover .faq-item-question {
  color: var(--primary, #0B3D91);
}

.page-faq .faq-item[open] .faq-item-question {
  color: var(--primary, #0B3D91);
  font-weight: 600;
}

.page-faq .faq-item-arrow {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  position: relative;
  transition: transform var(--faq-transition);
  pointer-events: none;
}

.page-faq .faq-item-arrow::before,
.page-faq .faq-item-arrow::after {
  content: '';
  position: absolute;
  background: var(--accent, #FF6B35);
  border-radius: 2px;
  transition: transform var(--faq-transition);
}

.page-faq .faq-item-arrow::before {
  top: 8px;
  left: 2px;
  width: 16px;
  height: 3px;
}

.page-faq .faq-item-arrow::after {
  top: 2px;
  left: 8px;
  width: 3px;
  height: 16px;
}

.page-faq .faq-item[open] .faq-item-arrow {
  transform: rotate(45deg);
}

.page-faq .faq-item[open] .faq-item-arrow::before,
.page-faq .faq-item[open] .faq-item-arrow::after {
  background: var(--primary, #0B3D91);
}

.page-faq .faq-item-answer {
  padding: 0 1.5rem 1.2rem;
  font-size: 0.95rem;
  color: var(--text-secondary, #5A5A7A);
  line-height: 1.7;
  font-weight: 300;
  animation: faqFadeIn 0.35s ease;
}

@keyframes faqFadeIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq .faq-item-answer a {
  color: var(--accent, #FF6B35);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast, 0.2s ease);
}

.page-faq .faq-item-answer a:hover {
  color: var(--accent-dark, #E55A2B);
}

/* ----- 联系方式提示 ----- */
.page-faq .faq-contact {
  padding: 2.5rem 1rem 3.5rem;
  background: var(--dark-bg, #0A1D3A);
  border-top: var(--faq-gold-line) solid var(--gold, #D4AF37);
}

.page-faq .faq-contact-inner {
  max-width: var(--faq-max-width, 820px);
  margin: 0 auto;
}

.page-faq .faq-contact-card {
  background: var(--dark-bg-alt, #0F2A4A);
  border-radius: var(--radius-card, 8px);
  padding: 2rem 1.8rem;
  text-align: center;
  color: var(--text-inverse, #FFFFFF);
  border: 1px solid rgba(212,175,55,0.2);
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
}

.page-faq .faq-contact-icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255,107,53,0.15);
  color: var(--accent, #FF6B35);
  margin-bottom: 0.75rem;
}

.page-faq .faq-contact-heading {
  font-family: var(--font-heading, 'Montserrat Black', sans-serif);
  font-size: 1.6rem;
  margin: 0 0 0.5rem;
  color: var(--gold-light, #E8C94A);
  letter-spacing: 0.01em;
}

.page-faq .faq-contact-desc {
  font-size: 0.95rem;
  max-width: 480px;
  margin: 0 auto 1.5rem;
  color: var(--text-inverse-dim, #C8D0DC);
  line-height: 1.6;
  font-weight: 300;
}

.page-faq .faq-contact-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.page-faq .faq-contact-label {
  color: var(--text-inverse-dim, #C8D0DC);
  font-weight: 300;
}

.page-faq .faq-contact-email {
  color: var(--accent, #FF6B35);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast, 0.2s ease);
}

.page-faq .faq-contact-email:hover {
  color: var(--gold-light, #E8C94A);
}

.page-faq .faq-contact-phone {
  color: var(--text-inverse, #FFFFFF);
  font-weight: 400;
  letter-spacing: 0.02em;
}

.page-faq .faq-contact-btn {
  display: inline-block;
  margin-top: 1.2rem;
  padding: 0.7rem 2rem;
  font-family: var(--font-heading, 'Montserrat Black', sans-serif);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--accent, #FF6B35);
  color: var(--text-inverse, #FFFFFF);
  border: none;
  border-radius: var(--radius, 4px);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-fast, 0.2s ease), transform var(--transition-fast, 0.2s ease);
}

.page-faq .faq-contact-btn:hover {
  background: var(--accent-dark, #E55A2B);
  transform: translateY(-2px);
}

/* ----- 响应式：移动端优先 -> 桌面 ----- */
@media (max-width: 767px) {
  .page-faq {
    --faq-hero-height: 260px;
    --faq-hero-title-size: 2rem;
    --faq-hero-sub-size: 0.95rem;
  }

  .page-faq .faq-hero-content {
    padding: 1rem 0.75rem;
  }

  .page-faq .faq-hero-title {
    font-size: var(--faq-hero-title-size);
  }

  .page-faq .faq-hero-sub {
    font-size: var(--faq-hero-sub-size);
    max-width: 90%;
  }

  .page-faq .breadcrumb {
    font-size: 0.78rem;
    margin-bottom: 0.65rem;
  }

  .page-faq .faq-search-section {
    padding: 1.25rem 0.75rem;
  }

  .page-faq .faq-search-input {
    font-size: 0.92rem;
    padding: 0.7rem 0.5rem 0.7rem 0;
  }

  .page-faq .faq-search-box {
    border-width: 1.5px;
  }

  .page-faq .faq-categories {
    padding: 1.5rem 0.75rem 2rem;
  }

  .page-faq .faq-categories-inner {
    gap: 1.5rem;
  }

  .page-faq .faq-category-heading {
    padding: 1rem 1rem 0.5rem;
    font-size: 1.1rem;
    gap: 0.5rem;
  }

  .page-faq .faq-category-icon {
    width: 32px;
    height: 32px;
  }

  .page-faq .faq-item-summary {
    padding: 0.85rem 1rem;
  }

  .page-faq .faq-item-question {
    font-size: 0.92rem;
  }

  .page-faq .faq-item-answer {
    padding: 0 1rem 1rem;
    font-size: 0.88rem;
  }

  .page-faq .faq-contact {
    padding: 1.5rem 0.75rem 2.5rem;
  }

  .page-faq .faq-contact-card {
    padding: 1.5rem 1rem;
  }

  .page-faq .faq-contact-heading {
    font-size: 1.3rem;
  }

  .page-faq .faq-contact-info {
    flex-direction: column;
    gap: 0.2rem;
  }

  .page-faq .faq-contact-btn {
    padding: 0.6rem 1.5rem;
    font-size: 0.88rem;
  }
}

@media (min-width: 768px) {
  .page-faq .faq-category-heading {
    padding: 1.4rem 2rem 0.8rem;
    font-size: 1.35rem;
  }

  .page-faq .faq-item-summary {
    padding: 1.1rem 2rem;
  }

  .page-faq .faq-item-question {
    font-size: 1.05rem;
  }

  .page-faq .faq-item-answer {
    padding: 0 2rem 1.4rem;
    font-size: 0.95rem;
  }

  .page-faq .faq-contact-card {
    padding: 2.5rem 2.5rem;
  }

  .page-faq .faq-contact-heading {
    font-size: 1.8rem;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    height: 340px;
  }

  .page-faq .faq-hero-title {
    font-size: 3.2rem;
  }

  .page-faq .faq-hero-sub {
    font-size: 1.15rem;
  }
}