.page-faq {
  --faq-gap: 20px;
  --faq-card-radius: 12px;
  --faq-card-border-width: 2px;
  --faq-card-border-color: var(--color-border, #1A2A44);
  --faq-card-bg: var(--color-background-dark, #0F1A2E);
  --faq-card-hover-border: var(--color-primary, #FF6B35);
  --faq-card-open-border: var(--color-accent, #2E5BFF);
  --faq-card-header-pad: 16px 18px;
  --faq-body-pad: 0 18px 18px;
  --faq-transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px 48px;
  color: var(--color-text, #FFFFFF);
  font-family: var(--body-font, 'PingFang SC', 'Microsoft YaHei UI', sans-serif);
}

/* ── 顶部横幅 ── */
.page-faq__hero {
  position: relative;
  border-radius: var(--faq-card-radius);
  overflow: hidden;
  margin-bottom: 28px;
  background: var(--color-background-dark, #0F1A2E);
  border: var(--faq-card-border-width) solid var(--faq-card-border-color);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}
.page-faq__hero-img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 200px;
  object-fit: cover;
  opacity: 0.5;
}
.page-faq__breadcrumb {
  position: absolute;
  top: 12px;
  left: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  z-index: 2;
  background: rgba(11, 26, 48, 0.75);
  padding: 4px 12px;
  border-radius: 20px;
  backdrop-filter: blur(4px);
}
.page-faq__breadcrumb-link {
  color: var(--color-text-muted, #C0C0C0);
  text-decoration: none;
  transition: color 0.2s;
}
.page-faq__breadcrumb-link:hover {
  color: var(--color-primary, #FF6B35);
}
.page-faq__breadcrumb-sep {
  color: var(--color-secondary, #F9A825);
  font-size: 10px;
}
.page-faq__breadcrumb-current {
  color: var(--color-secondary, #F9A825);
  font-weight: 700;
}
.page-faq__hero-content {
  position: absolute;
  bottom: 16px;
  left: 20px;
  z-index: 2;
}
.page-faq__title {
  font-family: Impact, 'Arial Black', sans-serif;
  font-size: 32px;
  font-weight: 900;
  color: var(--color-text, #FFFFFF);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.7);
}
.page-faq__subtitle {
  font-size: 16px;
  color: var(--color-text-muted, #C0C0C0);
  margin: 4px 0 0;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.7);
}

/* ── 简介 ── */
.page-faq__intro {
  margin-bottom: 28px;
  padding: 0 4px;
}
.page-faq__intro-text {
  font-size: 15px;
  color: var(--color-text-muted, #C0C0C0);
  line-height: 1.7;
  margin: 0;
}

/* ── 网格容器 ── */
.page-faq__grid {
  display: flex;
  flex-direction: column;
  gap: var(--faq-gap);
}

/* ── 行 ── */
.page-faq__row {
  display: flex;
  flex-direction: column;
  gap: var(--faq-gap);
}

/* ── 列（右侧/左侧堆叠） ── */
.page-faq__col {
  display: flex;
  flex-direction: column;
  gap: var(--faq-gap);
}

/* ── 卡片 ── */
.page-faq__card {
  background: var(--faq-card-bg);
  border: var(--faq-card-border-width) solid var(--faq-card-border-color);
  border-radius: var(--faq-card-radius);
  overflow: hidden;
  transition: border-color var(--faq-transition), box-shadow var(--faq-transition);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}
.page-faq__card:hover {
  border-color: var(--faq-card-hover-border);
  box-shadow: 0 6px 28px rgba(255, 107, 53, 0.15);
}

/* ── 卡片头部（可点击） ── */
.page-faq__card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: var(--faq-card-header-pad);
  cursor: pointer;
  user-select: none;
  transition: background 0.25s;
  min-height: 56px;
}
.page-faq__card-header:hover {
  background: rgba(255, 107, 53, 0.06);
}
.page-faq__card-header:focus-visible {
  outline: 2px solid var(--color-primary, #FF6B35);
  outline-offset: -2px;
}
.page-faq__card-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: cover;
  background: rgba(46, 91, 255, 0.12);
  padding: 4px;
}
.page-faq__card-question {
  flex: 1;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text, #FFFFFF);
}
.page-faq__card-indicator {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gradient-primary, linear-gradient(135deg, #FF6B35, #F9A825));
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  transition: transform var(--faq-transition);
  line-height: 1;
}

/* ── 卡片主体（折叠内容） ── */
.page-faq__card-body {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  padding: 0 18px;
  transition: max-height 0.5s ease, opacity 0.4s ease, padding 0.4s ease;
  color: var(--color-text-muted, #C0C0C0);
  font-size: 15px;
  line-height: 1.75;
}
.page-faq__card-body p {
  margin: 0 0 12px;
}
.page-faq__card-body p:last-child {
  margin-bottom: 0;
}
.page-faq__card-body ul {
  margin: 8px 0 12px;
  padding-left: 20px;
}
.page-faq__card-body li {
  margin-bottom: 6px;
}

/* ── :checked 展开 ── */
.page-faq__toggle:checked + .page-faq__card-header + .page-faq__card-body,
.page-faq__toggle:checked ~ .page-faq__card-body {
  max-height: 420px;
  opacity: 1;
  padding: var(--faq-body-pad);
}
.page-faq__toggle:checked + .page-faq__card-header .page-faq__card-indicator {
  transform: rotate(45deg);
  background: var(--gradient-primary, linear-gradient(135deg, #FF6B35, #F9A825));
}
.page-faq__toggle:checked ~ .page-faq__card-header .page-faq__card-indicator {
  transform: rotate(45deg);
  background: var(--gradient-primary, linear-gradient(135deg, #FF6B35, #F9A825));
}
.page-faq__toggle:checked + .page-faq__card-header {
  border-bottom: 1px solid rgba(46, 91, 255, 0.2);
}
.page-faq__toggle:checked ~ .page-faq__card-header {
  border-bottom: 1px solid rgba(46, 91, 255, 0.2);
}

/* ── 主要卡片（较大） ── */
.page-faq__card--primary {
  border-width: calc(var(--faq-card-border-width) + 1px);
  border-image: var(--gradient-border, linear-gradient(90deg, transparent, #2E5BFF, transparent)) 1;
}
.page-faq__card--primary .page-faq__card-question {
  font-size: 18px;
}

/* ── 联系卡片特殊 ── */
.page-faq__card--contact .page-faq__contact-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 16px;
}
.page-faq__card--contact .page-faq__contact-list li {
  padding: 6px 0 6px 28px;
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.page-faq__card--contact .page-faq__contact-list li::before {
  content: "◆";
  position: absolute;
  left: 0;
  color: var(--color-secondary, #F9A825);
  font-size: 12px;
  top: 8px;
}
.page-faq__card--contact .page-faq__contact-label {
  font-weight: 700;
  color: var(--color-text, #FFFFFF);
}
.page-faq__card--contact .page-faq__contact-note {
  background: rgba(255, 107, 53, 0.08);
  border-left: 3px solid var(--color-primary, #FF6B35);
  padding: 10px 14px;
  border-radius: 4px;
  font-size: 14px;
  margin: 12px 0 16px !important;
}
.page-faq__link {
  display: inline-block;
  padding: 8px 20px;
  background: var(--gradient-primary, linear-gradient(135deg, #FF6B35, #F9A825));
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  border-radius: 6px;
  text-decoration: none;
  transition: transform 0.25s, box-shadow 0.25s;
}
.page-faq__link:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
}
.page-faq__inline-link {
  color: var(--color-primary, #FF6B35);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s;
}
.page-faq__inline-link:hover {
  color: var(--color-secondary, #F9A825);
}

/* ── 桌面端（≥768px） ── */
@media (min-width: 768px) {
  .page-faq {
    padding: 0 32px 64px;
  }
  .page-faq__title {
    font-size: 42px;
  }
  .page-faq__subtitle {
    font-size: 18px;
  }
  .page-faq__hero-content {
    bottom: 24px;
    left: 28px;
  }
  .page-faq__breadcrumb {
    top: 16px;
    left: 20px;
    font-size: 14px;
  }

  .page-faq__row {
    flex-direction: row;
    align-items: stretch;
  }

  /* 第一行：左大右两小 (2fr + 1fr) */
  .page-faq__row--first {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--faq-gap);
  }

  /* 第二行：左两小右大 (1fr + 2fr) */
  .page-faq__row--second {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--faq-gap);
  }

  .page-faq__col {
    gap: var(--faq-gap);
  }

  .page-faq__card--primary .page-faq__card-question {
    font-size: 20px;
  }
  .page-faq__card-header {
    padding: 20px 22px;
  }
  .page-faq__card-body {
    font-size: 15px;
  }
  .page-faq__toggle:checked + .page-faq__card-header + .page-faq__card-body,
  .page-faq__toggle:checked ~ .page-faq__card-body {
    max-height: 360px;
    padding: 0 22px 22px;
  }
}

/* ── 大桌面端（≥1024px） ── */
@media (min-width: 1024px) {
  .page-faq {
    padding: 0 48px 72px;
  }
  .page-faq__title {
    font-size: 48px;
  }
  .page-faq__subtitle {
    font-size: 20px;
  }
  .page-faq__intro-text {
    font-size: 16px;
    max-width: 720px;
  }
  .page-faq__card--primary .page-faq__card-question {
    font-size: 22px;
  }
  .page-faq__card-question {
    font-size: 17px;
  }
  .page-faq__card-body {
    font-size: 16px;
  }
  .page-faq__toggle:checked + .page-faq__card-header + .page-faq__card-body,
  .page-faq__toggle:checked ~ .page-faq__card-body {
    max-height: 400px;
  }
}

.page-faq {
  --body-font: inherit;
}