/* ===== FAQ 问答中心 – 页面专属样式 ===== */
/* 作用域：.page-faq，移动端优先 */

.page-faq {
  --faq-accent: #6A0DAD;
  --faq-accent-light: #8B3FBF;
  --faq-bg-card: #F5F5F5;
  --faq-border: #3D3D5C;
  --faq-radius: 16px;
  --faq-radius-pill: 50px;
  --faq-text-muted: #555;
  --faq-shadow: 0 4px 20px rgba(26, 26, 46, 0.08);
  --faq-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- 面包屑 --- */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 1.25rem 0 0.75rem;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  color: var(--faq-text-muted);
}
.page-faq .breadcrumb a {
  color: var(--faq-accent);
  text-decoration: none;
  transition: color var(--faq-transition);
}
.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--faq-accent-light);
  text-decoration: underline;
}
.page-faq .breadcrumb-sep {
  color: var(--faq-border);
  font-weight: 300;
}
.page-faq .breadcrumb [aria-current="page"] {
  color: var(--color-text-dark);
  font-weight: 600;
}

/* --- Hero 头部 --- */
.page-faq .faq-hero {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem 0 1.5rem;
  border-bottom: 2px solid var(--faq-border);
  margin-bottom: 2rem;
}
.page-faq .faq-hero__text {
  flex: 1 1 280px;
}
.page-faq .faq-hero__title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--faq-accent);
  margin: 0 0 0.6rem;
  line-height: 1.15;
}
.page-faq .faq-hero__subtitle {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-dark);
  max-width: 620px;
  margin: 0;
}
.page-faq .faq-hero__icon {
  flex: 0 0 auto;
}
.page-faq .faq-hero__img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--faq-radius);
  object-fit: contain;
  background: var(--faq-bg-card);
}

/* --- 快速跳转索引 --- */
.page-faq .faq-index {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.5rem;
  padding: 0.75rem 1rem;
  background: var(--faq-bg-card);
  border-radius: var(--faq-radius);
  margin-bottom: 2.5rem;
  border: 1px solid var(--faq-border);
}
.page-faq .faq-index__label {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--faq-accent);
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .faq-index__link {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-dark);
  text-decoration: none;
  padding: 0.2rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--faq-transition), color var(--faq-transition);
}
.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--faq-accent);
  border-bottom-color: var(--faq-accent);
}

/* --- 每个板块 --- */
.page-faq .faq-section {
  margin-bottom: 3rem;
}
.page-faq .faq-section__heading {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--color-text-dark);
  margin: 0 0 0.4rem;
}
.page-faq .faq-section__icon {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--faq-accent);
  background: rgba(106, 13, 173, 0.1);
  padding: 0.15rem 0.6rem;
  border-radius: var(--faq-radius-pill);
  line-height: 1.6;
}
.page-faq .faq-section__desc {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--faq-text-muted);
  margin: 0 0 1.25rem;
  max-width: 640px;
}

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

/* --- 单个问答项 --- */
.page-faq .faq-item {
  background: var(--faq-bg-card);
  border: 1px solid var(--faq-border);
  border-radius: var(--faq-radius);
  overflow: hidden;
  transition: box-shadow var(--faq-transition), border-color var(--faq-transition);
}
.page-faq .faq-item:hover {
  border-color: var(--faq-accent-light);
  box-shadow: var(--faq-shadow);
}
.page-faq .faq-item[open] {
  border-color: var(--faq-accent);
  box-shadow: 0 6px 24px rgba(106, 13, 173, 0.12);
}

/* --- 问题摘要 --- */
.page-faq .faq-item__question {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-dark);
  line-height: 1.4;
  transition: background var(--faq-transition);
  user-select: none;
}
.page-faq .faq-item__question::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__question::marker {
  display: none;
  content: "";
}
.page-faq .faq-item__question:hover,
.page-faq .faq-item__question:focus-visible {
  background: rgba(106, 13, 173, 0.05);
}

/* 问号图标 */
.page-faq .faq-item__qmark {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 50%;
  background: var(--faq-accent);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1;
  transition: background var(--faq-transition);
}
.page-faq .faq-item[open] .faq-item__qmark {
  background: var(--faq-accent-light);
}

/* 问题文字 */
.page-faq .faq-item__text {
  flex: 1;
}

/* 箭头 */
.page-faq .faq-item__arrow {
  flex-shrink: 0;
  width: 0.75rem;
  height: 0.75rem;
  border-right: 2.5px solid var(--faq-border);
  border-bottom: 2.5px solid var(--faq-border);
  transform: rotate(45deg);
  transition: transform var(--faq-transition);
  margin-left: auto;
}
.page-faq .faq-item[open] .faq-item__arrow {
  transform: rotate(-135deg);
  border-color: var(--faq-accent);
}

/* --- 答案区域 --- */
.page-faq .faq-item__answer {
  padding: 0 1.25rem 1.25rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text-dark);
  border-top: 1px solid transparent;
  transition: border-color var(--faq-transition);
}
.page-faq .faq-item[open] .faq-item__answer {
  border-top-color: var(--faq-border);
}
.page-faq .faq-item__answer p {
  margin: 0 0 0.75rem;
}
.page-faq .faq-item__answer p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item__link {
  color: var(--faq-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 600;
  transition: color var(--faq-transition);
}
.page-faq .faq-item__link:hover,
.page-faq .faq-item__link:focus-visible {
  color: var(--faq-accent-light);
}

/* --- 反馈流程图片 --- */
.page-faq .faq-flow-visual {
  margin-top: 1rem;
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--faq-border);
  padding: 0.5rem;
}
.page-faq .faq-flow-img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: calc(var(--faq-radius) - 4px);
  object-fit: contain;
}

/* --- 底部CTA --- */
.page-faq .faq-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  padding: 2rem 1.5rem;
  margin: 2rem 0 3rem;
  background: var(--faq-bg-card);
  border-radius: var(--faq-radius);
  border: 1px solid var(--faq-border);
  text-align: center;
}
.page-faq .faq-cta__text {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin: 0;
}
.page-faq .faq-cta__btn {
  flex-shrink: 0;
}

/* --- 按钮复用（适配 page-faq 上下文） --- */
.page-faq .btn-accent {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1.5rem;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: background var(--faq-transition), transform var(--faq-transition);
}
.page-faq .btn-accent:hover,
.page-faq .btn-accent:focus-visible {
  background: #e06000;
  transform: translateY(-2px);
}

/* --- 窄屏适配（移动端优先） --- */
@media (max-width: 640px) {
  .page-faq .faq-hero {
    flex-direction: column;
    align-items: stretch;
    padding: 1.25rem 0 1rem;
  }
  .page-faq .faq-hero__title {
    font-size: 1.5rem;
  }
  .page-faq .faq-hero__icon {
    text-align: center;
  }
  .page-faq .faq-hero__img {
    max-width: 200px;
    margin: 0 auto;
  }
  .page-faq .faq-index {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .page-faq .faq-index__list {
    gap: 0.4rem 1rem;
  }
  .page-faq .faq-section__heading {
    font-size: 1.3rem;
    flex-wrap: wrap;
  }
  .page-faq .faq-section__icon {
    font-size: 0.85rem;
  }
  .page-faq .faq-item__question {
    padding: 0.85rem 1rem;
    font-size: 0.9rem;
  }
  .page-faq .faq-item__answer {
    padding: 0 1rem 1rem;
    font-size: 0.9rem;
  }
  .page-faq .faq-item__qmark {
    width: 1.5rem;
    height: 1.5rem;
    font-size: 0.85rem;
  }
  .page-faq .faq-cta {
    flex-direction: column;
    padding: 1.5rem 1rem;
    gap: 0.75rem;
  }
  .page-faq .faq-cta__text {
    font-size: 1rem;
  }
  .page-faq .faq-flow-visual {
    padding: 0.3rem;
  }
}

/* --- 桌面优化（≥ 768px） --- */
@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: 2.5rem 0 1.75rem;
  }
  .page-faq .faq-hero__title {
    font-size: 2.2rem;
  }
  .page-faq .faq-section__heading {
    font-size: 1.75rem;
  }
  .page-faq .faq-item__question {
    padding: 1.1rem 1.5rem;
    font-size: 1rem;
  }
  .page-faq .faq-item__answer {
    padding: 0 1.5rem 1.5rem;
  }
  .page-faq .faq-cta {
    padding: 2.5rem 2rem;
  }
}

/* --- 大屏（≥ 1024px） --- */
@media (min-width: 1024px) {
  .page-faq .faq-hero__title {
    font-size: 2.5rem;
  }
  .page-faq .faq-section {
    max-width: 880px;
  }
  .page-faq .faq-cta {
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
  }
}