/* 帮助中心专属样式 - 限定作用域 .page-faq */
.page-faq {
  --faq-bg: #0D1B2A;
  --faq-card-bg: #FFFFFF;
  --faq-question-color: #FFD700;
  --faq-answer-color: #333333;
  --faq-border: #CCCCCC;
  --faq-icon-size: 80px;
  --faq-gap: 24px;
}

.page-faq .faq-hero {
  background: var(--faq-bg);
  color: var(--color-white);
  padding: 48px 16px 32px;
  text-align: center;
}

.page-faq .faq-heading {
  font: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  letter-spacing: 0.04em;
  margin: 0 0 12px;
  color: var(--color-gold);
}

.page-faq .faq-subtitle {
  font: var(--font-body);
  color: var(--color-white);
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto 24px;
  font-size: 1rem;
}

.page-faq .faq-search-wrap {
  display: flex;
  justify-content: center;
  gap: 8px;
  max-width: 480px;
  margin: 0 auto;
}

.page-faq .faq-search-input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--color-medium-gray);
  border-radius: 8px;
  font: var(--font-body);
  background: var(--color-white);
  color: var(--color-dark-gray);
  outline: none;
  transition: border-color var(--transition-fast);
}

.page-faq .faq-search-input:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.3);
}

.page-faq .faq-search-btn {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  background: var(--color-gold);
  color: var(--color-primary);
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.page-faq .faq-search-btn:hover,
.page-faq .faq-search-btn:focus-visible {
  background: #e6c200;
}

/* 分类标题 */
.page-faq .faq-category-title {
  font: var(--font-heading);
  font-size: 1.6rem;
  color: var(--color-gold);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.page-faq .faq-category-icon {
  width: var(--faq-icon-size);
  height: var(--faq-icon-size);
  object-fit: contain;
  border-radius: 50%;
  background: var(--color-secondary);
  padding: 8px;
}

.page-faq .faq-category-desc {
  font: var(--font-body);
  color: var(--color-dark-gray);
  margin-bottom: 20px;
}

/* 折叠面板列表 */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-item {
  background: var(--faq-card-bg);
  border: 1px solid var(--faq-border);
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow var(--transition-fast);
}

.page-faq .faq-item[open] {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.page-faq .faq-question {
  font: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-primary);
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 40px;
}

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

.page-faq .faq-question::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-gold);
  transition: transform 0.2s ease;
}

.page-faq .faq-item[open] .faq-question::after {
  content: "−";
  transform: translateY(-50%) rotate(0deg);
}

.page-faq .faq-answer {
  padding: 0 20px 16px;
  font: var(--font-body);
  color: var(--faq-answer-color);
  line-height: 1.7;
}

.page-faq .faq-answer a {
  color: var(--color-accent);
  text-decoration: underline;
}

.page-faq .faq-more-link {
  margin-top: 20px;
  font: var(--font-body);
  color: var(--color-dark-gray);
}

.page-faq .faq-more-link a {
  color: var(--color-accent);
  font-weight: 600;
}

/* 指南插图 */
.page-faq .faq-guide-img-wrap {
  max-width: 600px;
  margin: 24px auto 0;
  padding: 0 16px;
}

.page-faq .faq-guide-img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  object-fit: cover;
}

/* 章节面板内边距 */
.page-faq .section-panel {
  padding: 48px 0;
  background: var(--color-white);
}

.page-faq .section-panel:nth-child(even) {
  background: var(--color-light-gray);
}

.page-faq .panel-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 16px;
}

/* 面包屑 */
.page-faq .breadcrumb {
  background: var(--faq-bg);
  padding: 12px 16px;
  font: var(--font-body);
  font-size: 0.875rem;
  color: var(--color-white);
  display: flex;
  gap: 8px;
  align-items: center;
}

.page-faq .breadcrumb a {
  color: var(--color-gold);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover {
  text-decoration: underline;
}

.page-faq .breadcrumb-sep {
  color: var(--color-medium-gray);
}

.page-faq .breadcrumb-current {
  color: var(--color-white);
  opacity: 0.8;
}

/* 响应式：平板及以上 */
@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: 64px 32px 48px;
  }

  .page-faq .faq-heading {
    font-size: 2.4rem;
  }

  .page-faq .faq-subtitle {
    font-size: 1.1rem;
  }

  .page-faq .faq-category-title {
    font-size: 1.8rem;
  }

  .page-faq .faq-question {
    font-size: 1.1rem;
  }

  .page-faq .faq-list {
    max-width: 800px;
  }

  .page-faq .faq-guide-img-wrap {
    margin-top: 32px;
  }

  .page-faq .section-panel {
    padding: 64px 0;
  }
}

/* 桌面较大屏幕 */
@media (min-width: 1024px) {
  .page-faq .faq-section:first-of-type {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
  }

  .page-faq .faq-section:first-of-type .panel-inner {
    grid-column: 1;
  }

  .page-faq .faq-section:first-of-type .faq-guide-img-wrap {
    grid-column: 2;
    margin-top: 0;
    align-self: center;
  }
}