.page-faq {
  --faq-max-width: 860px;
  --faq-gap: 0.75rem;
  --faq-radius: 10px;
  --faq-icon-size: 28px;
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  padding: 0 1rem 3rem;
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  padding: 1.25rem 0 0.5rem;
  color: var(--text-primary);
  opacity: 0.65;
}
.page-faq .faq-breadcrumb a {
  color: var(--primary);
  text-decoration: none;
  transition: opacity 0.2s;
}
.page-faq .faq-breadcrumb a:hover,
.page-faq .faq-breadcrumb a:focus-visible {
  opacity: 0.7;
  text-decoration: underline;
}
.page-faq .faq-breadcrumb__sep {
  color: var(--border);
  font-weight: 300;
}
.page-faq .faq-breadcrumb [aria-current="page"] {
  font-weight: 600;
  color: var(--text-primary);
}

/* ---------- Hero 区域 ---------- */
.page-faq .faq-hero {
  position: relative;
  border-radius: var(--faq-radius);
  overflow: hidden;
  margin-bottom: 2rem;
  background: var(--bg-dark);
  min-height: 200px;
  display: flex;
  align-items: center;
}
.page-faq .faq-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.25;
  pointer-events: none;
}
.page-faq .faq-hero__content {
  position: relative;
  z-index: 2;
  padding: 2rem 1.5rem;
  width: 100%;
}
.page-faq .faq-hero__content h1 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: clamp(1.6rem, 5vw, 2.6rem);
  color: var(--text-on-dark);
  margin: 0 0 0.35rem;
  line-height: 1.15;
}
.page-faq .faq-hero__sub {
  font-size: clamp(0.9rem, 2.5vw, 1.15rem);
  color: rgba(255,255,255,0.8);
  font-weight: 400;
  letter-spacing: 0.03em;
  margin: 0;
  max-width: 520px;
}

/* ---------- 标签分类 ---------- */
.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1.5rem;
  padding: 0.25rem 0;
}
.page-faq .faq-tags__item {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  border: 1.5px solid var(--accent);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  transition: background 0.25s, color 0.25s, box-shadow 0.25s;
  -webkit-appearance: none;
  appearance: none;
  line-height: 1.4;
}
.page-faq .faq-tags__item:hover,
.page-faq .faq-tags__item:focus-visible {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 12px rgba(255,109,0,0.25);
}
.page-faq .faq-tags__item.is-active {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 12px rgba(255,109,0,0.25);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-accordion {
  display: flex;
  flex-direction: column;
  gap: var(--faq-gap);
  max-width: var(--faq-max-width);
  width: 100%;
}
.page-faq .faq-item {
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: var(--faq-radius);
  background: #fff;
  overflow: hidden;
  transition: background 0.3s, box-shadow 0.3s;
}
.page-faq .faq-item[open] {
  background: var(--bg-light);
  box-shadow: var(--shadow-sm);
}
.page-faq .faq-item__summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1rem 0.9rem 1.1rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  line-height: 1.4;
  color: var(--text-primary);
  transition: color 0.2s;
  -webkit-user-select: none;
  user-select: none;
}
.page-faq .faq-item__summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__summary::marker {
  display: none;
  content: "";
}
.page-faq .faq-item__summary:hover,
.page-faq .faq-item__summary:focus-visible {
  color: var(--primary);
}
.page-faq .faq-item__icon {
  flex-shrink: 0;
  width: var(--faq-icon-size);
  height: var(--faq-icon-size);
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1;
  transition: transform 0.3s, background 0.3s;
}
.page-faq .faq-item[open] .faq-item__icon {
  transform: rotate(15deg) scale(1.05);
  background: var(--accent);
}
.page-faq .faq-item__question {
  flex: 1;
}
.page-faq .faq-item__content {
  padding: 0 1.1rem 1.2rem 3.2rem;
  font-size: 0.92rem;
  color: var(--text-primary);
  line-height: 1.7;
}
.page-faq .faq-item__content p {
  margin: 0 0 0.75rem;
}
.page-faq .faq-item__content p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item__content strong {
  font-weight: 700;
  color: var(--primary);
}
.page-faq .faq-item__content a {
  color: var(--accent);
  text-decoration: underline;
  font-weight: 600;
  transition: opacity 0.2s;
}
.page-faq .faq-item__content a:hover,
.page-faq .faq-item__content a:focus-visible {
  opacity: 0.7;
}
.page-faq .faq-item__img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin-top: 0.75rem;
  border: 1px solid var(--border);
  object-fit: cover;
  background: var(--bg-light);
}

/* ---------- 窄屏适配 ---------- */
@media (max-width: 480px) {
  .page-faq {
    padding-left: 0.6rem;
    padding-right: 0.6rem;
  }
  .page-faq .faq-hero__content {
    padding: 1.25rem 1rem;
  }
  .page-faq .faq-item__summary {
    font-size: 0.88rem;
    padding: 0.75rem 0.8rem 0.75rem 0.9rem;
  }
  .page-faq .faq-item__content {
    padding-left: 1.1rem;
    padding-right: 0.8rem;
  }
  .page-faq .faq-item__icon {
    width: 24px;
    height: 24px;
    font-size: 0.85rem;
  }
  .page-faq .faq-tags__item {
    font-size: 0.72rem;
    padding: 0.35rem 0.85rem;
  }
}

/* ---------- 桌面增强 ---------- */
@media (min-width: 768px) {
  .page-faq {
    padding: 0 2rem 4rem;
  }
  .page-faq .faq-breadcrumb {
    font-size: 0.85rem;
    padding-top: 1.75rem;
  }
  .page-faq .faq-hero__content {
    padding: 2.5rem 2.5rem;
  }
  .page-faq .faq-tags {
    gap: 0.7rem;
    margin-bottom: 2rem;
  }
  .page-faq .faq-tags__item {
    font-size: 0.85rem;
    padding: 0.5rem 1.3rem;
  }
  .page-faq .faq-accordion {
    gap: 0.85rem;
  }
  .page-faq .faq-item__summary {
    padding: 1rem 1.25rem 1rem 1.4rem;
    font-size: 1rem;
  }
  .page-faq .faq-item__content {
    padding-left: 3.8rem;
    padding-right: 1.4rem;
    padding-bottom: 1.4rem;
    font-size: 0.95rem;
  }
  .page-faq .faq-item__img {
    max-width: 360px;
  }
}

/* ---------- 超大桌面 ---------- */
@media (min-width: 1200px) {
  .page-faq {
    padding: 0 0 5rem;
  }
  .page-faq .faq-hero {
    border-radius: var(--radius-md);
  }
}

/* ---------- 动效：减少运动 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__icon,
  .page-faq .faq-item__summary,
  .page-faq .faq-tags__item {
    transition: none !important;
    animation: none !important;
  }
  .page-faq .faq-item[open] .faq-item__icon {
    transform: none;
  }
}

/* ---------- 滚动显现支持 ---------- */
.page-faq .faq-item[data-scroll] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.page-faq .faq-item[data-scroll].revealed {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[data-scroll] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}