/* ===== 页面专属：常见问题 (.page-faq) ===== */
.page-faq {
  --faq-bg: var(--color-bg, #F5E6CA);
  --faq-primary: var(--color-primary, #1B4332);
  --faq-primary-light: var(--color-primary-light, #2D6A4F);
  --faq-accent: var(--color-accent, #FF6B35);
  --faq-text: var(--color-text, #2D2D2D);
  --faq-text-secondary: var(--color-text-secondary, #6C757D);
  --faq-white: var(--color-white, #FFFFFF);
  --faq-radius: var(--radius-md, 12px);
  --faq-radius-lg: var(--radius-lg, 20px);
  --faq-radius-full: var(--radius-full, 9999px);
  --faq-shadow: var(--shadow-sm, 0 2px 8px rgba(0,0,0,0.06));
  --faq-shadow-md: var(--shadow-md, 0 4px 20px rgba(0,0,0,0.1));
  --faq-transition: var(--transition, 0.3s cubic-bezier(0.4, 0, 0.2, 1));
  --faq-max-width: var(--max-width, 1200px);

  display: flex;
  flex-direction: column;
  gap: 0;
  background-color: var(--faq-bg);
  padding: 1rem 1rem 2.5rem;
  min-height: 60vh;
}

/* 面包屑 */
.page-faq .breadcrumb {
  margin-bottom: 1.25rem;
  padding: 0.5rem 0;
}

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-faq .breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-family: var(--font-body, 'Segoe UI', sans-serif);
  font-size: 0.8125rem;
  color: var(--faq-text-secondary);
}

.page-faq .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--faq-text-secondary);
  opacity: 0.5;
  font-size: 0.75rem;
}

.page-faq .breadcrumb-link {
  color: var(--faq-primary-light);
  text-decoration: none;
  transition: color var(--faq-transition);
}

.page-faq .breadcrumb-link:hover {
  color: var(--faq-accent);
  text-decoration: underline;
}

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

/* 页面头部 */
.page-faq .faq-header {
  margin-bottom: 2rem;
  padding: 0 0 0.75rem;
}

.page-faq .faq-title {
  font-family: var(--font-heading, 'Segoe UI', sans-serif);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--faq-primary);
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.page-faq .faq-subtitle {
  font-family: var(--font-body, 'Segoe UI', sans-serif);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--faq-text-secondary);
  margin: 0;
  max-width: 640px;
}

/* 板块容器 */
.page-faq .faq-section {
  margin-bottom: 2.5rem;
}

.page-faq .section-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.page-faq .section-title {
  font-family: var(--font-heading, 'Segoe UI', sans-serif);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--faq-primary);
  margin: 0;
  line-height: 1.3;
}

.page-faq .section-line {
  flex: 1;
  height: 3px;
  background: linear-gradient(90deg, var(--faq-accent), var(--faq-accent) 40%, transparent 100%);
  border-radius: var(--faq-radius-full);
  min-width: 48px;
  max-width: 120px;
}

/* 图片 */
.page-faq .faq-visual {
  margin-bottom: 1.5rem;
  border-radius: var(--faq-radius-lg);
  overflow: hidden;
  box-shadow: var(--faq-shadow-md);
  background-color: var(--faq-primary-light);
  line-height: 0;
}

.page-faq .faq-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

/* FAQ 列表 */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* 单个问答项 */
.page-faq .faq-item {
  background-color: var(--faq-white);
  border-radius: var(--faq-radius-lg);
  box-shadow: var(--faq-shadow);
  overflow: hidden;
  transition: box-shadow var(--faq-transition);
}

.page-faq .faq-item:hover {
  box-shadow: var(--faq-shadow-md);
}

/* 问题按钮 */
.page-faq .faq-question {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 1rem 1.25rem;
  border: none;
  background: var(--faq-primary);
  color: var(--faq-white);
  font-family: var(--font-body, 'Segoe UI', sans-serif);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
  text-align: left;
  cursor: pointer;
  transition: background var(--faq-transition), color var(--faq-transition);
  border-radius: var(--faq-radius-lg);
  position: relative;
  z-index: 1;
}

.page-faq .faq-question:hover {
  background: var(--faq-primary-light);
}

.page-faq .faq-question:focus-visible {
  outline: 3px solid var(--faq-accent);
  outline-offset: 2px;
}

/* 问号图标 */
.page-faq .faq-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  color: var(--faq-white);
  font-family: var(--font-heading, 'Segoe UI', sans-serif);
  font-size: 1.125rem;
  font-weight: 700;
  transition: background var(--faq-transition), transform var(--faq-transition);
}

.page-faq .faq-question:hover .faq-icon {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.05);
}

/* 问题文字 */
.page-faq .faq-question-text {
  flex: 1;
  min-width: 0;
}

/* 箭头 */
.page-faq .faq-arrow {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--faq-transition);
}

.page-faq .faq-arrow::after {
  content: "";
  display: block;
  width: 10px;
  height: 10px;
  border-right: 2.5px solid currentColor;
  border-bottom: 2.5px solid currentColor;
  transform: rotate(45deg);
  margin-top: -4px;
  transition: transform var(--faq-transition);
}

.page-faq .faq-item[data-expanded="true"] .faq-arrow::after {
  transform: rotate(-135deg);
  margin-top: 2px;
}

/* 答案区域 */
.page-faq .faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
  padding: 0 1.25rem;
  background-color: var(--faq-white);
  border-radius: 0 0 var(--faq-radius-lg) var(--faq-radius-lg);
}

.page-faq .faq-item[data-expanded="true"] .faq-answer {
  max-height: 480px;
  padding: 0.75rem 1.25rem 1.25rem;
}

.page-faq .faq-answer-inner {
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.page-faq .faq-item[data-expanded="true"] .faq-answer-inner {
  opacity: 1;
  transform: translateY(0);
}

.page-faq .faq-answer-inner p {
  font-family: var(--font-body, 'Segoe UI', sans-serif);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--faq-text);
  margin: 0;
}

.page-faq .faq-answer-inner strong {
  font-weight: 700;
  color: var(--faq-primary);
}

/* 底部CTA */
.page-faq .faq-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
  padding: 2rem 1.5rem;
  background: var(--faq-white);
  border-radius: var(--faq-radius-lg);
  box-shadow: var(--faq-shadow);
  text-align: center;
}

.page-faq .faq-cta-text {
  font-family: var(--font-body, 'Segoe UI', sans-serif);
  font-size: 1.0625rem;
  color: var(--faq-text);
  margin: 0;
  font-weight: 500;
}

.page-faq .btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  font-family: var(--font-heading, 'Segoe UI', sans-serif);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--faq-white);
  background: var(--faq-accent);
  border: none;
  border-radius: var(--faq-radius-full);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--faq-transition), transform var(--faq-transition), box-shadow var(--faq-transition);
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3);
}

.page-faq .btn-accent:hover {
  background: var(--color-accent-dark, #E55A2B);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255, 107, 53, 0.4);
}

.page-faq .btn-accent:focus-visible {
  outline: 3px solid var(--faq-primary);
  outline-offset: 3px;
}

/* ===== 响应式：移动端优先，桌面增强 ===== */
@media (min-width: 640px) {
  .page-faq {
    padding: 1.5rem 2rem 3rem;
  }

  .page-faq .faq-title {
    font-size: 2.375rem;
  }

  .page-faq .faq-subtitle {
    font-size: 1.0625rem;
  }

  .page-faq .section-title {
    font-size: 1.5rem;
  }

  .page-faq .faq-question {
    font-size: 1rem;
    padding: 1.125rem 1.5rem;
  }

  .page-faq .faq-answer-inner p {
    font-size: 0.9375rem;
  }

  .page-faq .faq-cta {
    flex-direction: row;
    justify-content: center;
    padding: 2rem 2.5rem;
  }

  .page-faq .faq-cta-text {
    font-size: 1.125rem;
  }
}

@media (min-width: 1024px) {
  .page-faq {
    padding: 2rem 2.5rem 4rem;
    max-width: var(--faq-max-width);
    margin: 0 auto;
  }

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

  .page-faq .faq-section {
    margin-bottom: 3rem;
  }

  .page-faq .faq-visual {
    margin-bottom: 2rem;
  }

  .page-faq .faq-img {
    aspect-ratio: 2.4 / 1;
  }

  .page-faq .faq-list {
    gap: 0.875rem;
  }

  .page-faq .faq-question {
    font-size: 1.0625rem;
    padding: 1.25rem 1.75rem;
  }

  .page-faq .faq-icon {
    width: 36px;
    height: 36px;
    font-size: 1.25rem;
  }

  .page-faq .faq-item[data-expanded="true"] .faq-answer {
    padding: 1rem 1.75rem 1.5rem;
  }

  .page-faq .faq-answer-inner p {
    font-size: 1rem;
  }

  .page-faq .faq-cta {
    padding: 2.5rem 3rem;
    gap: 1rem;
  }
}

/* 极窄屏保护 */
@media (max-width: 380px) {
  .page-faq {
    padding: 0.75rem 0.75rem 2rem;
  }

  .page-faq .faq-question {
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    gap: 0.5rem;
  }

  .page-faq .faq-icon {
    width: 28px;
    height: 28px;
    font-size: 0.9375rem;
  }

  .page-faq .faq-answer {
    padding: 0 1rem;
  }

  .page-faq .faq-item[data-expanded="true"] .faq-answer {
    padding: 0.5rem 1rem 1rem;
  }

  .page-faq .faq-answer-inner p {
    font-size: 0.875rem;
  }

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