/* ========== page-faq 专属样式 ========== */
.page-faq {
  --faq-accent: var(--accent, #D94F14);
  --faq-bg: var(--bg-content, #FDFBF5);
  --faq-bg-secondary: var(--bg-secondary, #E8DCC8);
  --faq-text: var(--text-primary, #2B2B2B);
  --faq-text-muted: var(--text-secondary, #8C7E6B);
  --faq-radius: var(--radius-large, 24px);
  --faq-gap: 1rem;
}

/* 顶部区域 */
.page-faq .faq-hero {
  text-align: center;
  padding: 2.5rem 1rem 1.5rem;
}

.page-faq .faq-icon {
  display: block;
  margin: 0 auto 1rem;
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.page-faq .breadcrumb {
  font-size: 0.875rem;
  color: var(--faq-text-muted);
  margin-bottom: 0.5rem;
}

.page-faq .breadcrumb a {
  color: var(--faq-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .breadcrumb a:hover {
  border-bottom-color: currentColor;
}

.page-faq .faq-hero h1 {
  font-size: 2.25rem;
  font-family: var(--font-heading);
  color: var(--faq-text);
  margin: 0.25rem 0 0.5rem;
}

.page-faq .faq-subtitle {
  font-size: 1rem;
  color: var(--faq-text-muted);
  margin-bottom: 1.5rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* 搜索框 */
.page-faq .faq-search {
  max-width: 380px;
  margin: 0 auto;
}

.page-faq .faq-search input[type="search"] {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--faq-bg-secondary);
  border-radius: var(--faq-radius);
  background: var(--bg-white, #FFFFFF);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

.page-faq .faq-search input[type="search"]:focus {
  border-color: var(--faq-accent);
  box-shadow: 0 0 0 3px rgba(217, 79, 20, 0.15);
}

/* 辅助类 */
.page-faq .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* 章节标题 */
.page-faq .faq-section {
  margin: 2.5rem 0;
}

.page-faq .section-heading {
  font-size: 1.75rem;
  font-family: var(--font-heading);
  color: var(--faq-text);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 3px solid var(--faq-accent);
  display: inline-block;
}

/* 折叠卡片列表 */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--faq-gap);
}

.page-faq .faq-item {
  background: var(--faq-bg);
  border-radius: var(--faq-radius);
  border: 1px solid var(--faq-bg-secondary);
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
  transition: box-shadow 0.2s;
}

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

/* 问题（summary） */
.page-faq .faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  font-weight: 600;
  font-size: 1.05rem;
  font-family: var(--font-heading);
  color: var(--faq-text);
  cursor: pointer;
  list-style: none; /* 隐藏默认标记 */
  position: relative;
  transition: background 0.2s;
}

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

.page-faq .faq-question::after {
  content: "+";
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--faq-accent);
  transition: transform 0.3s, content 0s;
  line-height: 1;
}

.page-faq details[open] .faq-question::after {
  content: "−";
  transform: rotate(180deg);
}

.page-faq details[open] .faq-question {
  background: var(--faq-bg-secondary);
}

/* 答案 */
.page-faq .faq-answer {
  padding: 0 1.25rem 1.25rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--faq-text);
}

.page-faq .faq-answer ul {
  padding-left: 1.25rem;
  margin: 0.5rem 0;
}

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

/* 下载帮助区域特殊布局 */
.page-faq .faq-download-layout {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.page-faq .faq-download-image {
  order: -1; /* 移动端优先将图片放到上方？可以先放上方 */
  text-align: center;
}

.page-faq .faq-download-image img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-medium);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* 联系卡片 */
.page-faq .faq-contact-card {
  background: var(--faq-bg);
  border-radius: var(--radius-medium);
  padding: 1.5rem;
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border: 1px solid var(--faq-bg-secondary);
}

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

.page-faq .faq-contact-item strong {
  font-family: var(--font-heading);
  color: var(--faq-text);
}

.page-faq .faq-contact-item a,
.page-faq .faq-contact-item span {
  color: var(--faq-text-muted);
  font-size: 0.95rem;
}

.page-faq .faq-contact-item a {
  color: var(--faq-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .faq-contact-item a:hover {
  border-bottom-color: currentColor;
}

.page-faq .faq-note {
  margin-top: 1rem;
  font-style: italic;
  color: var(--faq-text-muted);
  font-size: 0.9rem;
}

/* ========== 响应式（桌面优先过渡，移动端优先定义） ========== */
@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: 3rem 2rem 2rem;
  }

  .page-faq .faq-hero h1 {
    font-size: 2.75rem;
  }

  .page-faq .faq-download-layout {
    flex-direction: row;
    align-items: flex-start;
  }

  .page-faq .faq-download-image {
    order: 0;
    flex: 0 0 220px;
    margin-left: 1.5rem;
  }

  .page-faq .faq-download-image img {
    width: 200px;
    height: 150px;
  }

  .page-faq .faq-list {
    flex: 1;
  }

  .page-faq .faq-contact-card {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1.5rem;
  }

  .page-faq .faq-contact-item {
    flex: 1 1 200px;
  }
}

/* 更大屏幕调整间距 */
@media (min-width: 1024px) {
  .page-faq .faq-section {
    margin: 3rem 0;
  }

  .page-faq .faq-hero h1 {
    font-size: 3rem;
  }

  .page-faq .faq-item {
    max-width: 720px;
  }
}