.page-faq {
  --faq-accent: var(--cyan);
  padding-bottom: 88px;
}

.page-faq .faq-hero {
  padding-top: 26px;
  padding-bottom: 30px;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  max-width: 780px;
  font-size: clamp(30px, 6.2vw, 56px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 720px;
  color: var(--paper);
  opacity: 0.85;
}

.page-faq .faq-strip {
  margin: 22px 0 0;
  padding: 10px 0 0;
  border-top: 2px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 三段式快速入口 ---------- */
.page-faq .faq-jumps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 26px 0 40px;
}

.page-faq .faq-jump {
  position: relative;
  display: block;
  padding: 20px 18px 18px;
  border: 2px solid var(--line-strong);
  border-radius: 2px;
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
  color: var(--paper);
  text-decoration: none;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

.page-faq .faq-jump::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  height: 4px;
  background: var(--faq-accent);
}

.page-faq .faq-jump--cyan {
  --faq-accent: var(--cyan);
}

.page-faq .faq-jump--violet {
  --faq-accent: var(--violet);
}

.page-faq .faq-jump--gold {
  --faq-accent: var(--gold);
}

.page-faq .faq-jump:hover,
.page-faq .faq-jump:focus-visible {
  transform: translate(3px, 3px);
  box-shadow: 4px 4px 0 var(--ink-0);
  border-color: var(--faq-accent);
  outline: none;
}

.page-faq .faq-jump__idx {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--faq-accent);
}

.page-faq .faq-jump__label {
  display: block;
  margin-top: 8px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.35;
}

.page-faq .faq-jump__meta {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 首屏配图 ---------- */
.page-faq .faq-visual {
  margin: 0 0 44px;
}

.page-faq .faq-visual .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-faq .faq-visual--inline {
  margin: 26px 0 0;
}

.page-faq .faq-visual--inline .media__img {
  aspect-ratio: 3 / 2;
}

/* ---------- 左侧分类索引 + 右侧问答 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-faq .faq-side {
  border-top: 2px solid var(--line-strong);
  padding-top: 14px;
}

.page-faq .faq-side__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-faq .faq-side__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-side__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 12px;
  border: 2px solid var(--line);
  border-radius: 2px;
  color: var(--paper);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.14s ease, color 0.14s ease, background 0.14s ease;
}

.page-faq .faq-side__link .mono {
  font-size: 11px;
  color: var(--muted);
}

.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--ink-2);
  outline: none;
}

/* ---------- 分类区块 ---------- */
.page-faq .faq-cat {
  margin-bottom: 52px;
  scroll-margin-top: 96px;
}

.page-faq .faq-cat__head {
  margin-bottom: 22px;
  padding-left: 16px;
  border-left: 5px solid var(--faq-accent);
}

.page-faq .faq-cat--cyan {
  --faq-accent: var(--cyan);
}

.page-faq .faq-cat--violet {
  --faq-accent: var(--violet);
}

.page-faq .faq-cat--gold {
  --faq-accent: var(--gold);
}

.page-faq .faq-cat--orange {
  --faq-accent: var(--orange);
}

.page-faq .faq-cat__idx {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--faq-accent);
}

.page-faq .faq-cat__title {
  margin: 8px 0 0;
  font-size: clamp(22px, 3.6vw, 32px);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-cat__desc {
  margin: 10px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  margin-bottom: 12px;
  border: 2px solid var(--line);
  border-radius: 2px;
  background: var(--ink-2);
  scroll-margin-top: 100px;
  transition: border-color 0.16s ease;
}

.page-faq .faq-item:hover {
  border-color: var(--line-strong);
}

.page-faq .faq-item[open] {
  border-color: var(--faq-accent);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

.page-faq .faq-q::-webkit-details-marker {
  display: none;
}

.page-faq .faq-q::marker {
  content: "";
}

.page-faq .faq-q::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  padding-left: 10px;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--faq-accent);
}

.page-faq .faq-item[open] .faq-q::after {
  content: "\2212";
}

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

.page-faq .faq-q__num {
  flex: 0 0 auto;
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--faq-accent);
}

.page-faq .faq-q__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-a {
  padding: 14px 16px 18px;
  border-top: 1px dashed var(--line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
}

.page-faq .faq-a p {
  margin: 0 0 10px;
}

.page-faq .faq-a p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-a strong {
  color: var(--faq-accent);
  font-weight: 800;
}

.page-faq .faq-a .mono {
  color: var(--cyan);
  font-size: 14px;
  word-break: break-all;
}

.page-faq .faq-a a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .faq-a a:hover,
.page-faq .faq-a a:focus-visible {
  color: var(--paper);
  background: var(--cyan-deep);
  outline: none;
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-jumps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 48px;
  }

  .page-faq .faq-item {
    margin-bottom: 14px;
  }
}

/* ---------- 桌面：左侧索引吸气固定 ---------- */
@media (min-width: 960px) {
  .page-faq {
    padding-bottom: 120px;
  }

  .page-faq .faq-hero {
    padding-top: 44px;
    padding-bottom: 38px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 60px;
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: 96px;
    border-top: 2px solid var(--line-strong);
  }

  .page-faq .faq-side__list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-side__link {
    border: none;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 9px 10px;
    white-space: normal;
    font-size: 14px;
  }

  .page-faq .faq-side__link:hover,
  .page-faq .faq-side__link:focus-visible {
    background: var(--ink-2);
    border-left-color: var(--cyan);
    color: var(--cyan);
  }

  .page-faq .faq-q {
    padding: 17px 20px;
    font-size: 17px;
  }

  .page-faq .faq-a {
    padding: 16px 20px 20px;
    font-size: 16px;
  }

  .page-faq .faq-visual {
    margin-bottom: 56px;
  }
}