/* =============================================
   page-faq 专属样式
   作用域：.page-faq
   移动端优先 + 桌面断点 768px / 1024px
   ============================================= */
.page-faq {
  --faq-number-bg: var(--color-accent, #FF6F3C);
  --faq-number-color: #fff;
  --faq-accordion-radius: var(--radius-card, 16px);
  --faq-accordion-shadow: var(--shadow-card, 0 4px 20px rgba(10,37,64,0.08));
  --faq-accordion-border: var(--color-border, #D4DCE5);
  --faq-accordion-hover: var(--color-hover-overlay, rgba(255,111,60,0.08));
  --faq-body-bg: var(--color-card-bg, #FFFFFF);
  --faq-open-bg: var(--color-warm-white, #F9F9F7);
  --faq-arrow-color: var(--color-accent, #FF6F3C);
}

/* ---------- 框景首屏（标题区） ---------- */
.page-faq .frame-hero {
  background: var(--color-warm-white, #F9F9F7);
  padding: 2rem 1.5rem 2.5rem;
  position: relative;
  border-bottom: 1px solid var(--faq-accordion-border);
}

.page-faq .faq-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.page-faq .faq-hero-text {
  text-align: center;
}

.page-faq .faq-hero-title {
  font-family: var(--font-family, "Inter", sans-serif);
  font-weight: var(--heading-weight, 800);
  font-size: 2rem;
  letter-spacing: var(--letter-spacing-headings, -0.02em);
  color: var(--color-primary, #0A2540);
  margin: 0 0 0.5rem;
  line-height: 1.2;
}

.page-faq .faq-hero-desc {
  font-size: 1rem;
  color: var(--color-text-medium, #3D4A5C);
  line-height: var(--line-height-body, 1.6);
  max-width: 36rem;
  margin: 0 auto;
}

.page-faq .faq-hero-image {
  flex-shrink: 0;
}

.page-faq .faq-hero-image img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--faq-accordion-radius);
  background: var(--color-silver, #E0E6ED);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--color-text-light, #7A8A9A);
  margin-bottom: 0.25rem;
}

.page-faq .breadcrumb-link {
  color: var(--color-text-medium, #3D4A5C);
  text-decoration: none;
  transition: color var(--transition-base, 0.3s ease);
}

.page-faq .breadcrumb-link:hover {
  color: var(--faq-number-bg);
}

.page-faq .breadcrumb-separator {
  color: var(--color-text-light, #7A8A9A);
  user-select: none;
}

.page-faq .breadcrumb-item {
  color: var(--color-text-light, #7A8A9A);
  font-weight: 500;
}

/* ---------- 板块标题 ---------- */
.page-faq .section {
  padding: 2.5rem 1.5rem;
}

.page-faq .section-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-family, "Inter", sans-serif);
  font-weight: var(--heading-weight, 800);
  font-size: 1.5rem;
  letter-spacing: var(--letter-spacing-headings, -0.02em);
  color: var(--color-primary, #0A2540);
  margin: 0 0 1.5rem;
  line-height: 1.3;
}

.page-faq .section-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--faq-number-bg);
  color: var(--faq-number-color);
  font-size: 0.875rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* ---------- 折叠面板 ---------- */
.page-faq .accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-faq .accordion-item {
  background: var(--faq-body-bg);
  border-radius: var(--faq-accordion-radius);
  box-shadow: var(--faq-accordion-shadow);
  border: 1px solid var(--faq-accordion-border);
  overflow: hidden;
  transition: background var(--transition-base, 0.3s ease),
              box-shadow var(--transition-base, 0.3s ease);
}

.page-faq .accordion-item[data-open] {
  background: var(--faq-open-bg);
  box-shadow: 0 6px 28px rgba(10,37,64,0.12);
}

/* ---------- 面板标题 ---------- */
.page-faq .accordion-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  user-select: none;
  transition: background var(--transition-base, 0.3s ease);
  position: relative;
}

@media (hover: hover) {
  .page-faq .accordion-header:hover {
    background: var(--faq-accordion-hover);
  }
}

.page-faq .accordion-header:focus-visible {
  outline: 2px solid var(--faq-number-bg);
  outline-offset: -2px;
  border-radius: var(--faq-accordion-radius) var(--faq-accordion-radius) 0 0;
}

/* ---------- 编号 ---------- */
.page-faq .accordion-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--color-silver, #E0E6ED);
  color: var(--color-text-medium, #3D4A5C);
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  transition: background var(--transition-base, 0.3s ease),
              color var(--transition-base, 0.3s ease);
}

.page-faq .accordion-item[data-open] .accordion-index {
  background: var(--faq-number-bg);
  color: var(--faq-number-color);
}

/* ---------- 问题图标 ---------- */
.page-faq .accordion-icon-img {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--color-silver, #E0E6ED);
}

/* ---------- 问题文字 ---------- */
.page-faq .accordion-question {
  flex: 1;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text, #121212);
  line-height: 1.4;
  transition: color var(--transition-base, 0.3s ease);
}

.page-faq .accordion-item[data-open] .accordion-question {
  color: var(--color-primary, #0A2540);
}

/* ---------- 箭头 ---------- */
.page-faq .accordion-arrow {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
  position: relative;
  transition: transform var(--transition-base, 0.3s ease);
}

.page-faq .accordion-arrow::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.5rem;
  height: 0.5rem;
  border: 2px solid var(--faq-arrow-color);
  border-top: none;
  border-left: none;
  transform: translate(-50%, -60%) rotate(45deg);
  transition: transform var(--transition-base, 0.3s ease);
}

.page-faq .accordion-item[data-open] .accordion-arrow {
  transform: rotate(180deg);
}

/* ---------- 面板内容 ---------- */
.page-faq .accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.3s ease;
  opacity: 0;
}

.page-faq .accordion-item[data-open] .accordion-body {
  max-height: 600px;
  opacity: 1;
}

.page-faq .accordion-body-inner {
  padding: 0 1.25rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--color-text-medium, #3D4A5C);
  line-height: var(--line-height-body, 1.6);
}

.page-faq .accordion-body-inner p {
  margin: 0 0 0.5rem;
}

.page-faq .accordion-body-inner p:last-child {
  margin-bottom: 0;
}

.page-faq .accordion-body-inner a {
  color: var(--faq-number-bg);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-base, 0.3s ease);
}

.page-faq .accordion-body-inner a:hover {
  color: var(--color-primary-dark, #1A3A5C);
}

/* ---------- 联系列表 ---------- */
.page-faq .faq-contact-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0;
}

.page-faq .faq-contact-list li {
  padding: 0.25rem 0;
  padding-left: 1.25rem;
  position: relative;
}

.page-faq .faq-contact-list li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--faq-number-bg);
  font-weight: 700;
}

/* ---------- 容器 ---------- */
.page-faq .container {
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
}

/* =============================================
   桌面端 (min-width: 768px)
   ============================================= */
@media (min-width: 768px) {
  .page-faq .frame-hero {
    padding: 2.5rem 2rem 3rem;
  }

  .page-faq .faq-hero {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    margin-top: 2rem;
  }

  .page-faq .faq-hero-text {
    text-align: left;
  }

  .page-faq .faq-hero-desc {
    margin: 0;
  }

  .page-faq .faq-hero-title {
    font-size: 2.5rem;
  }

  .page-faq .section {
    padding: 3rem 2rem;
  }

  .page-faq .section-title {
    font-size: 1.75rem;
    margin-bottom: 2rem;
  }

  .page-faq .accordion {
    gap: 1rem;
  }

  .page-faq .accordion-header {
    padding: 1.25rem 1.5rem;
  }

  .page-faq .accordion-body-inner {
    padding: 0 1.5rem 1.5rem;
  }

  .page-faq .accordion-question {
    font-size: 1rem;
  }

  .page-faq .accordion-index {
    width: 2rem;
    height: 2rem;
    font-size: 0.8125rem;
  }

  .page-faq .accordion-icon-img {
    width: 2rem;
    height: 2rem;
  }
}

/* =============================================
   桌面端 (min-width: 1024px)
   ============================================= */
@media (min-width: 1024px) {
  .page-faq .frame-hero {
    padding: 3rem 2rem 3.5rem;
  }

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

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

  .page-faq .section {
    padding: 3.5rem 2rem;
  }

  .page-faq .section-title {
    font-size: 2rem;
  }

  .page-faq .accordion {
    max-width: 52rem;
    margin: 0 auto;
  }

  .page-faq .accordion-header {
    padding: 1.25rem 1.75rem;
  }

  .page-faq .accordion-body-inner {
    padding: 0 1.75rem 1.5rem;
  }
}

/* =============================================
   可访问性：减少动效
   ============================================= */
@media (prefers-reduced-motion: reduce) {
  .page-faq .accordion-body,
  .page-faq .accordion-arrow,
  .page-faq .accordion-arrow::before,
  .page-faq .accordion-item,
  .page-faq .accordion-header,
  .page-faq .accordion-index,
  .page-faq .accordion-question {
    transition: none !important;
  }
}