.page-faq {
  --faq-gold-line: rgba(122, 90, 30, 0.5);
  --faq-shadow: 6px 6px 0 rgba(0, 0, 0, 0.5);
  --faq-hairline: rgba(198, 202, 210, 0.09);
}

/* ---------- 首屏 ---------- */
.page-faq .support-hero {
  position: relative;
  padding-top: clamp(20px, 4vw, 40px);
  padding-bottom: clamp(48px, 8vw, 96px);
  background: linear-gradient(180deg, rgba(59, 16, 24, 0.6), rgba(10, 10, 12, 0) 78%);
  border-bottom: 1px solid var(--faq-gold-line);
}

.page-faq .support-hero__inner {
  display: grid;
  gap: 40px;
  margin-top: clamp(24px, 5vw, 48px);
}

.page-faq .support-hero__lead .display-title {
  margin: 12px 0 24px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 8.4vw, 76px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-faq .support-hero__lead .lead {
  max-width: 640px;
  color: var(--silver);
  font-size: 16px;
  line-height: 1.9;
}

.page-faq .support-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-faq .support-index {
  border-left: 1px solid var(--faq-gold-line);
  padding-left: 20px;
}

.page-faq .support-index__title {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--dim);
}

.page-faq .support-index__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-faq .support-index__list li + li {
  border-top: 1px solid var(--faq-hairline);
}

.page-faq .support-index__list a {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 12px 0;
  color: var(--silver);
  text-decoration: none;
  transition: color 240ms var(--ease), padding-left 240ms var(--ease);
}

.page-faq .support-index__list a:hover,
.page-faq .support-index__list a:focus-visible {
  color: var(--gold);
  padding-left: 6px;
}

.page-faq .support-index__list .mono {
  font-size: 12px;
  color: var(--gold-dark);
}

.page-faq .support-index__list a:hover .mono {
  color: var(--gold);
}

/* ---------- 区块标题 ---------- */
.page-faq .section-head {
  max-width: 760px;
}

.page-faq .section-head .section-title {
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 40px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-faq .section-head .lead {
  color: var(--silver);
  font-size: 15.5px;
  line-height: 1.9;
}

.page-faq .section-head .lead a,
.page-faq .faq-versions__note a,
.page-faq .faq-escalate__foot a,
.page-faq .disclosure__body a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(51, 193, 240, 0.45);
}

.page-faq .section-head .lead a:hover,
.page-faq .faq-versions__note a:hover,
.page-faq .faq-escalate__foot a:hover,
.page-faq .disclosure__body a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold-dark);
}

/* ---------- 查询带 ---------- */
.page-faq .query-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  margin: 32px 0 36px;
  padding: 20px 22px;
  background: linear-gradient(160deg, rgba(22, 24, 29, 0.96), rgba(14, 20, 24, 0.96));
  border: 2px solid var(--gold-dark);
  box-shadow: var(--faq-shadow);
}

.page-faq .query-bar__label {
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--dim);
}

.page-faq .query-bar__terms {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .query-bar__terms a {
  display: inline-block;
  padding: 7px 15px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cream);
  text-decoration: none;
  border: 1px solid var(--faq-gold-line);
  transition: color 200ms var(--ease), border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-faq .query-bar__terms a:hover,
.page-faq .query-bar__terms a:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
  background: rgba(240, 180, 41, 0.08);
}

.page-faq .faq-query__grid {
  display: grid;
  gap: 40px;
}

.page-faq .faq-query__media {
  margin: 0;
}

/* ---------- 分类条目 ---------- */
.page-faq .qcat {
  margin-bottom: 12px;
  background: linear-gradient(180deg, rgba(22, 24, 29, 0.9), rgba(14, 20, 24, 0.9));
  border: 1px solid var(--faq-gold-line);
  border-left: 3px solid var(--gold-dark);
  transition: border-color 240ms var(--ease), background-color 240ms var(--ease);
}

.page-faq .qcat[open] {
  border-left-color: var(--gold);
  background: var(--panel);
}

.page-faq .qcat__sum {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .qcat__code {
  font-size: 18px;
  font-weight: 700;
  color: var(--gold);
}

.page-faq .qcat__name {
  flex: 1 1 auto;
  font-size: 17px;
  font-weight: 600;
  color: var(--cream);
}

.page-faq .qcat__sub {
  font-size: 12px;
  color: var(--dim);
}

.page-faq .qcat__num {
  font-size: 20px;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-faq .qcat__items {
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
}

.page-faq .qcat__items li {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 10px 18px;
  border-top: 1px dashed rgba(122, 90, 30, 0.32);
  font-size: 14.5px;
  color: var(--silver);
}

.page-faq .qcat__items .mono:first-child {
  font-size: 12.5px;
  color: var(--dim);
}

.page-faq .qcat__n {
  color: var(--gold);
  font-size: 14px;
}

/* ---------- 版本对照 ---------- */
.page-faq .faq-versions__media {
  margin: 32px 0 40px;
}

.page-faq .tabs__list {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  border-bottom: 1px solid var(--faq-gold-line);
  scrollbar-width: thin;
}

.page-faq .tabs__btn {
  position: relative;
  flex: 0 0 auto;
  padding: 13px 18px;
  background: transparent;
  border: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--dim);
  cursor: pointer;
  transition: color 220ms var(--ease);
}

.page-faq .tabs__btn:hover {
  color: var(--silver);
}

.page-faq .tabs__btn[aria-selected="true"] {
  color: var(--gold);
}

.page-faq .tabs__btn[aria-selected="true"]::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: -1px;
  height: 2px;
  background: var(--gold);
}

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

.page-faq .tabs__panel {
  padding-top: 28px;
}

.page-faq .vs__pair {
  display: grid;
  gap: 16px;
  margin-bottom: 28px;
}

.page-faq .vs__card {
  padding: 22px;
  background: var(--panel);
  border: 2px solid var(--faq-gold-line);
  box-shadow: var(--faq-shadow);
}

.page-faq .vs__card--b {
  background: linear-gradient(155deg, rgba(59, 16, 24, 0.8), var(--panel));
  border-color: var(--gold-dark);
}

.page-faq .vs__tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--gold);
}

.page-faq .vs__ver {
  margin: 10px 0 10px;
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 800;
  color: var(--cream);
}

.page-faq .vs__meta {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--dim);
}

.page-faq .vs__card .muted {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--silver);
}

.page-faq .vs__rows {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--faq-gold-line);
}

.page-faq .vs__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  padding: 16px 0 16px 18px;
  border-left: 2px solid var(--blue);
  border-bottom: 1px solid rgba(122, 90, 30, 0.3);
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
}

.page-faq .vs__row-tag {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--blue);
  padding-top: 4px;
}

.page-faq .faq-versions__note {
  margin: 28px 0 0;
  font-size: 14.5px;
  line-height: 1.9;
}

/* ---------- 疑问手风琴 ---------- */
.page-faq .q-item {
  border-bottom: 1px solid rgba(122, 90, 30, 0.32);
}

.page-faq .q-item:first-of-type {
  border-top: 1px solid rgba(122, 90, 30, 0.32);
}

.page-faq .q-item__sum {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding: 18px 4px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .q-item__num {
  flex: 0 0 auto;
  font-size: 13.5px;
  color: var(--gold-dark);
}

.page-faq .q-item[open] .q-item__num {
  color: var(--gold);
}

.page-faq .q-item__title {
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--cream);
}

.page-faq .q-item .disclosure__body {
  padding: 0 4px 20px 34px;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.9;
}

.page-faq .q-item__steps {
  margin: 0 0 14px;
  padding-left: 20px;
  display: grid;
  gap: 10px;
}

.page-faq .q-item__steps li::marker {
  color: var(--gold);
  font-family: var(--font-mono);
}

/* ---------- 渠道 ---------- */
.page-faq .ch {
  padding: 26px 24px;
}

.page-faq .ch__num {
  margin: 0 0 6px;
  font-size: 34px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-faq .ch__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  color: var(--cream);
}

.page-faq .ch p {
  margin: 0 0 18px;
  font-size: 14.8px;
  line-height: 1.9;
  color: var(--silver);
}

.page-faq .ch__time {
  display: inline-block;
  margin: 0;
  padding: 5px 11px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--gold);
  border: 1px solid var(--gold-dark);
}

/* ---------- 仍未解决 ---------- */
.page-faq .faq-escalate__inner {
  display: grid;
  gap: 36px;
}

.page-faq .checklist {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  max-width: 680px;
}

.page-faq .checklist li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
}

.page-faq .checklist li::before {
  content: "";
  width: 11px;
  height: 11px;
  margin-top: 9px;
  background: var(--gold);
}

.page-faq .faq-escalate__contact {
  padding: 26px 24px;
  background: linear-gradient(150deg, rgba(59, 16, 24, 0.68), var(--panel));
  border: 2px solid var(--gold-dark);
  box-shadow: var(--faq-shadow);
}

.page-faq .contact-label {
  margin: 0 0 4px;
  font-size: 11.5px;
  letter-spacing: 0.26em;
  color: var(--dim);
}

.page-faq .contact-value {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 15.5px;
  color: var(--cream);
  word-break: break-all;
}

.page-faq .faq-escalate__contact .muted {
  margin: 0 0 22px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--silver);
}

.page-faq .faq-escalate__foot {
  margin: 36px 0 0;
  font-size: 14.5px;
  line-height: 1.9;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .vs__pair {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-escalate__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .support-hero__inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(250px, 0.55fr);
    gap: 72px;
    align-items: start;
  }

  .page-faq .faq-query__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-query__media {
    position: sticky;
    top: 120px;
  }

  .page-faq .tabs__btn {
    padding: 14px 24px;
    font-size: 14.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .support-index__list a,
  .page-faq .query-bar__terms a,
  .page-faq .tabs__btn,
  .page-faq .qcat {
    transition: none;
  }
}