.page-faq {
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-faq__crumb {
  padding-top: 20px;
}

/* ---------- 首屏 ---------- */
.page-faq__hero {
  position: relative;
  padding-top: 26px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-faq__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(212, 175, 55, .16) 0 1px, transparent 1px 72px);
  opacity: .5;
  pointer-events: none;
}

.page-faq__hero::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: min(38%, 420px);
  height: 2px;
  background: var(--gold-line);
}

.page-faq__hero-inner {
  position: relative;
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 1fr);
}

.page-faq__hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 5vw, 50px);
  line-height: 1.18;
  letter-spacing: -.015em;
  color: var(--cold);
  max-width: 19ch;
}

.page-faq__lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-veil);
}

/* 常用入口面板 */
.page-faq__quick {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
  border-radius: var(--radius);
  padding: 18px 18px 6px;
}

.page-faq__quick-title {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-faq__quick-link {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
}

.page-faq__quick-index {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--gold);
}

.page-faq__quick-text strong {
  display: block;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--cold);
  transition: color .18s var(--ease);
}

.page-faq__quick-text span {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

.page-faq__quick-link:hover .page-faq__quick-text strong,
.page-faq__quick-link:focus-visible .page-faq__quick-text strong {
  color: var(--champagne);
}

.page-faq__quick-link:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

/* ---------- 主题标签条 ---------- */
.page-faq__tabswrap {
  padding-top: 24px;
}

.page-faq__tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .segment__tab {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  padding: 10px 16px;
  color: var(--ink-veil);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
}

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

.page-faq .segment__tab[aria-selected="true"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink-deep);
  font-weight: 700;
}

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

/* ---------- 面板骨架 ---------- */
.page-faq .segment__panel {
  display: block;
}

.page-faq .segment__panel[hidden] {
  display: none;
}

.page-faq .segment__panel:focus-visible {
  outline: none;
}

.page-faq__panel-grid {
  display: grid;
  gap: 24px;
  padding-top: 30px;
  padding-bottom: 48px;
}

.page-faq__panel-head {
  display: grid;
  gap: 8px;
}

.page-faq__panel-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-faq__panel-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--cold);
}

/* ---------- 左侧刻度栏 ---------- */
.page-faq__rail-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
  border-radius: var(--radius);
  padding: 20px 18px;
}

.page-faq__rail-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--champagne);
}

.page-faq__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: faqstep;
  display: grid;
  gap: 18px;
}

.page-faq__steps li {
  position: relative;
  padding-left: 42px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-veil);
}

.page-faq__steps li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
  background: var(--ink-deep);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}

.page-faq__steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 14px;
  top: 32px;
  bottom: -18px;
  width: 1px;
  background: rgba(212, 175, 55, .42);
}

.page-faq__scope {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq__scope li {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq__scope li:first-child {
  padding-top: 0;
}

.page-faq__scope li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq__scope-name {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-faq__scope-desc {
  font-size: 14px;
  line-height: 1.66;
  color: var(--ink-veil);
}

/* ---------- 右侧正文 ---------- */
.page-faq__body {
  display: grid;
  gap: 26px;
  align-content: start;
  min-width: 0;
}

.page-faq__body-text {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--ink-veil);
}

.page-faq__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-deep);
  overflow: hidden;
}

.page-faq__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq__figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 手风琴 ---------- */
.page-faq__qlist {
  display: grid;
  border-top: 1px solid var(--line);
}

.page-faq__q {
  border-bottom: 1px solid var(--line);
}

.page-faq__q summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 18px 46px 18px 16px;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--cold);
  transition: color .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
}

.page-faq__q summary::-webkit-details-marker {
  display: none;
}

.page-faq__q summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--gold);
}

.page-faq__q[open] summary::after {
  content: "–";
}

.page-faq__q summary:hover {
  color: var(--champagne);
}

.page-faq__q summary:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: -2px;
}

.page-faq__q[open] summary {
  color: var(--champagne);
  box-shadow: inset 2px 0 0 var(--gold);
  background: linear-gradient(90deg, var(--gold-tint), transparent 72%);
}

.page-faq__a {
  padding: 0 46px 20px 16px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-veil);
}

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

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

.page-faq__a a {
  color: var(--teal);
  text-underline-offset: 3px;
}

/* 常见误解提示 */
.page-faq__note {
  margin: 0;
  padding: 14px 18px;
  border-left: 3px solid var(--alert);
  background: rgba(255, 77, 94, .07);
  font-size: 14px;
  line-height: 1.76;
  color: var(--ink-veil);
  max-width: 64ch;
}

/* 联系说明纸块 */
.page-faq .page-faq__contact {
  border-radius: var(--radius);
  padding: 20px 22px;
  color: var(--ink-deep);
}

.page-faq .page-faq__contact p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.76;
}

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

.page-faq .page-faq__contact strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ink-deep);
  margin-bottom: 4px;
}

.page-faq .page-faq__contact a {
  color: var(--ink-deep);
  font-weight: 600;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq__hero {
    padding-top: 34px;
    padding-bottom: 52px;
  }

  .page-faq__steps li {
    font-size: 14.5px;
  }
}

@media (min-width: 900px) {
  .page-faq__hero-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: end;
  }

  .page-faq__quick {
    padding: 22px 22px 8px;
  }
}

@media (min-width: 960px) {
  .page-faq__panel-grid {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 22px 56px;
    padding-top: 40px;
    padding-bottom: 68px;
  }

  .page-faq__panel-head {
    grid-column: 1 / -1;
    margin-bottom: 6px;
  }

  .page-faq__rail {
    grid-column: 1;
    align-self: start;
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }

  .page-faq__body {
    grid-column: 2;
    gap: 30px;
  }
}

@media (max-width: 599px) {
  .page-faq__q summary {
    padding: 16px 38px 16px 12px;
    font-size: 15px;
  }

  .page-faq__a {
    padding: 0 14px 18px 12px;
    font-size: 14.5px;
  }

  .page-faq__steps li {
    padding-left: 38px;
  }

  .page-faq__steps li:not(:last-child)::after {
    bottom: -16px;
  }

  .page-faq .page-faq__contact {
    padding: 16px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq__q summary,
  .page-faq__quick-text strong,
  .page-faq .segment__tab {
    transition: none;
  }
}