.page-faq {
  --faq-gap: clamp(20px, 3.2vw, 40px);
  --faq-panel: rgba(216, 225, 240, 0.04);
  --faq-panel-open: rgba(47, 107, 255, 0.1);
  --faq-ink-soft: #52607a;
  padding: clamp(20px, 3.4vw, 40px) 0 clamp(64px, 8vw, 112px);
}

.page-faq .crumb {
  margin-bottom: clamp(18px, 3vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-intro {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-faq .faq-intro__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-faq .faq-intro__title {
  margin: 0;
  max-width: 22ch;
  font-size: clamp(28px, 6.2vw, 56px);
  line-height: 1.14;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--paper);
  overflow-wrap: break-word;
}

.page-faq .faq-intro__lede {
  margin: 0;
  max-width: 68ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--silver);
}

.page-faq .faq-intro__media {
  margin: 8px 0 0;
  border: 1px solid var(--line-strong);
  overflow: hidden;
  background: var(--deep-2);
}

.page-faq .faq-intro__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .faq-intro__facts {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-intro__facts .coord {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  background: var(--deep);
  min-width: 0;
}

.page-faq .faq-intro__facts .coord__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--silver-dim);
}

.page-faq .faq-intro__facts .coord__val {
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  overflow-wrap: break-word;
}

/* ---------- 主题索引 ---------- */
.page-faq .faq-map {
  position: relative;
  margin-top: clamp(40px, 5.4vw, 68px);
  padding-top: 18px;
  border-top: 2px solid var(--orange);
}

.page-faq .faq-map::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 76px;
  height: 2px;
  background: var(--orange-soft);
}

.page-faq .faq-map__title {
  margin: 0 0 14px;
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-map__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-map__list li {
  background: var(--deep);
  min-width: 0;
}

.page-faq .faq-map__list a {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: center;
  gap: 2px 12px;
  padding: 15px 18px;
  color: var(--silver);
  text-decoration: none;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-map__num {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-faq .faq-map__label {
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
  overflow-wrap: break-word;
}

.page-faq .faq-map__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--silver-dim);
}

.page-faq .faq-map__list a:hover {
  background: rgba(47, 107, 255, 0.14);
  transform: translateX(3px);
}

.page-faq .faq-map__list a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
  background: rgba(47, 107, 255, 0.14);
}

/* ---------- 问答区块 ---------- */
.page-faq .faq-block {
  margin-top: clamp(44px, 6vw, 84px);
  scroll-margin-top: calc(var(--bar-h) + 76px);
}

.page-faq .faq-block__aside {
  min-width: 0;
}

.page-faq .faq-block__lede {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--silver-dim);
}

.page-faq .faq-block__link {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 44, 0.5);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-block__link:hover {
  color: var(--orange-soft);
  border-color: var(--orange-soft);
  transform: translateX(2px);
}

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

.page-faq .faq-qa {
  margin-top: 20px;
  counter-reset: qa;
  min-width: 0;
}

.page-faq .faq-item {
  position: relative;
  counter-increment: qa;
  border: 1px solid var(--line);
  background: var(--faq-panel);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: 10px;
}

.page-faq .faq-item::before {
  content: counter(qa, decimal-leading-zero);
  position: absolute;
  top: 18px;
  left: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--silver-dim);
  pointer-events: none;
}

.page-faq .faq-item__q {
  display: block;
  padding: 16px 54px 16px 50px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
  overflow-wrap: break-word;
}

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

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  top: 14px;
  right: 18px;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--orange);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
  color: var(--orange-soft);
}

.page-faq .faq-item[open] {
  border-color: rgba(255, 107, 44, 0.45);
  background: var(--faq-panel-open);
  transform: translateY(-2px);
}

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

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}

.page-faq .faq-item__a {
  padding: 0 20px 20px 50px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
}

.page-faq .faq-item__a p {
  margin: 0;
}

.page-faq .faq-item__a p + p {
  margin-top: 10px;
}

/* ---------- 直接联系面板 ---------- */
.page-faq .faq-contact {
  margin-top: clamp(52px, 6.4vw, 92px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--ink);
  box-shadow: 10px 10px 0 rgba(255, 107, 44, 0.32);
  min-width: 0;
}

.page-faq .faq-contact__body {
  padding: clamp(22px, 3.4vw, 44px);
  min-width: 0;
}

.page-faq .faq-contact h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--ink);
}

.page-faq .faq-contact__intro {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-contact .contact-list {
  margin: 22px 0 0;
}

.page-faq .faq-contact .contact-list__row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(5, 11, 22, 0.14);
}

.page-faq .faq-contact .contact-list__key {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--faq-ink-soft);
}

.page-faq .faq-contact .contact-list__val {
  flex: 1 1 60%;
  min-width: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  overflow-wrap: break-word;
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-contact .btn--ghost {
  color: var(--ink);
  border-color: rgba(5, 11, 22, 0.38);
}

.page-faq .faq-contact .btn--ghost:hover {
  color: var(--ink);
  border-color: var(--orange);
}

.page-faq .faq-contact__note {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--faq-ink-soft);
}

.page-faq .faq-contact__note a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-contact__note a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-faq .faq-contact__media {
  margin: 0;
  border-top: 1px solid var(--ink);
  overflow: hidden;
  background: var(--deep-2);
}

.page-faq .faq-contact__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-intro__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-map__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-contact .contact-list__val {
    flex: 1 1 auto;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }

  .page-faq .faq-contact__media {
    border-top: 0;
    border-left: 1px solid var(--ink);
  }
}

@media (min-width: 980px) {
  .page-faq .faq-intro {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .page-faq .faq-intro__title {
    max-width: 26ch;
  }

  .page-faq .faq-block {
    display: grid;
    grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
    gap: clamp(24px, 3.8vw, 60px);
    align-items: start;
  }

  .page-faq .faq-qa {
    margin-top: 0;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-block {
    grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
  }

  .page-faq .faq-item__q {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-map__list a,
  .page-faq .faq-item,
  .page-faq .faq-block__link {
    transition: none;
  }

  .page-faq .faq-map__list a:hover,
  .page-faq .faq-item[open],
  .page-faq .faq-block__link:hover {
    transform: none;
  }
}