.page-faq {
  --faq-gap: clamp(16px, 2.6vw, 34px);
  --qa-fg: var(--snow);
  --qa-strong: var(--paper);
  --qa-dim: rgba(168, 198, 224, .72);
  --qa-hair: var(--hair-soft);
  display: block;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq .faq-hero,
.page-faq .faq-main,
.page-faq .faq-exit {
  width: 100%;
  max-width: calc(var(--shell) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
  box-sizing: border-box;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(14px, 2.4vw, 30px);
}

.page-faq .faq-hero__panel {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid var(--hair);
  background: linear-gradient(148deg, var(--void) 0%, var(--ink) 54%, var(--steel) 100%);
  box-shadow: var(--shadow-panel);
  padding: clamp(22px, 4.4vw, 56px);
}

.page-faq .faq-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: .28;
}

.page-faq .faq-hero__panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 15, 26, .42) 0%, rgba(10, 15, 26, .88) 82%);
  pointer-events: none;
}

.page-faq .faq-hero__content {
  position: relative;
  z-index: 1;
}

.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--snow);
  letter-spacing: .02em;
}

.page-faq .crumbs a {
  color: var(--snow);
  text-decoration: none;
  border-bottom: 1px solid var(--hair);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .crumbs a:hover {
  color: var(--flare);
  border-color: var(--flare);
}

.page-faq .faq-hero .eyebrow {
  margin: 22px 0 0;
  color: var(--flare);
  font-size: 12px;
  letter-spacing: .2em;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  max-width: 20em;
  font-size: clamp(26px, 5.4vw, 46px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  margin: 16px 0 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.9;
  color: var(--snow);
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: clamp(24px, 3.6vw, 36px) 0 0;
  padding: clamp(18px, 2.6vw, 26px) 0 0;
  border-top: 1px solid var(--hair);
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.page-faq .faq-fact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px;
  min-width: 0;
}

.page-faq .faq-fact__num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--flare);
}

.page-faq .faq-fact__unit {
  font-size: 13px;
  color: var(--glacier);
}

.page-faq .faq-fact__label {
  flex-basis: 100%;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--qa-dim);
}

/* ---------- 主体 ---------- */
.page-faq .faq-main {
  padding-top: clamp(30px, 5vw, 58px);
}

.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--faq-gap);
}

.page-faq .filter-bar .filter-empty {
  flex-basis: 100%;
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--snow);
}

.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .faq-toc,
.page-faq .faq-answers {
  min-width: 0;
}

.page-faq .faq-toc {
  border: 1px solid var(--hair);
  border-radius: 18px;
  background: rgba(17, 26, 44, .58);
  padding: 14px 14px 12px;
}

.page-faq .faq-toc__title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--glacier);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-size: 14px;
  white-space: nowrap;
  color: var(--snow);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-toc__link .num {
  font-size: 12px;
  color: var(--glacier);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  color: var(--paper);
  border-color: var(--hair);
  background: rgba(76, 127, 176, .14);
}

.page-faq .faq-answers {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-group {
  min-width: 0;
  border: 1px solid var(--hair);
  border-radius: 20px;
  background: var(--glass);
  box-shadow: var(--shadow-panel);
  padding: clamp(18px, 3vw, 34px);
  scroll-margin-top: calc(var(--rail-h) + 24px);
}

.page-faq .faq-group--light {
  --qa-fg: #33465c;
  --qa-strong: var(--ink);
  --qa-dim: #5b6f86;
  --qa-hair: rgba(30, 44, 70, .14);
  background: var(--paper);
  border-color: rgba(30, 44, 70, .14);
  color: var(--ink);
}

.page-faq .faq-group__head {
  margin-bottom: 10px;
}

.page-faq .faq-group .panel__kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--glacier);
}

.page-faq .faq-group--light .panel__kicker {
  color: #6b7f95;
}

.page-faq .faq-group .panel__title {
  margin: 10px 0 0;
  font-size: clamp(19px, 3vw, 24px);
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .faq-group--light .panel__title {
  color: var(--ink);
}

.page-faq .faq-group .panel__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--qa-dim);
}

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

/* ---------- 问题条目 ---------- */
.page-faq .qa {
  border-top: 1px solid var(--qa-hair);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  color: var(--qa-strong);
}

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

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

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--flare);
  outline-offset: 4px;
  border-radius: 6px;
}

.page-faq .qa__idx {
  flex: none;
  padding-top: 3px;
  font-size: 12px;
  color: var(--glacier);
}

.page-faq .faq-group--light .qa__idx {
  color: #7c8fa4;
}

.page-faq .qa__q-text {
  margin: 0;
  font-size: 17px;
  line-height: 1.55;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-faq .qa__ico {
  flex: none;
  width: 18px;
  height: 18px;
  margin: 4px 0 0 auto;
  color: var(--glacier);
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .qa[open] .qa__ico {
  transform: rotate(180deg);
  color: var(--flare);
}

.page-faq .qa__a {
  padding: 0 0 18px 34px;
  color: var(--qa-fg);
  font-size: 15px;
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  max-width: 42em;
  line-height: 1.9;
}

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

.page-faq .qa__a a {
  color: var(--flare);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 90, 31, .45);
}

.page-faq .qa__a a:hover {
  border-bottom-color: var(--flare);
}

.page-faq .qa__time {
  display: inline-block;
  margin: 8px 0 0;
  padding-left: 11px;
  border-left: 3px solid var(--flare);
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  letter-spacing: .01em;
  color: var(--flare);
}

.page-faq .qa__steps {
  margin: 0 0 10px;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  font-size: 15px;
  line-height: 1.85;
}

.page-faq .qa__steps li::marker {
  font-family: var(--font-num);
  color: var(--flare);
}

/* ---------- 牌面分组配图 ---------- */
.page-faq .faq-figure {
  margin: 20px 0 0;
}

.page-faq .faq-figure .media-frame {
  width: 100%;
}

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

.page-faq .faq-figure .media-frame__cap {
  font-size: 12px;
  color: #5b6f86;
}

/* ---------- 联系分组 ---------- */
.page-faq .faq-group--contact {
  background: linear-gradient(140deg, var(--ink) 0%, var(--void) 100%);
  border-color: rgba(255, 90, 31, .34);
}

.page-faq .faq-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 6px 0 4px;
  padding: 16px 0 14px;
  border-top: 1px solid var(--hair-soft);
  border-bottom: 1px solid var(--hair-soft);
}

.page-faq .faq-contact__k {
  margin: 0;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--glacier);
}

.page-faq .faq-contact__v {
  margin: 8px 0 0;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(14px, 2.2vw, 18px);
  line-height: 1.5;
  color: var(--paper);
  word-break: break-all;
}

/* ---------- 收尾过渡带 ---------- */
.page-faq .faq-exit {
  padding-top: clamp(34px, 6vw, 64px);
}

.page-faq .faq-exit__band {
  position: relative;
  border-top: 1px solid var(--hair);
  padding-top: 24px;
}

.page-faq .faq-exit__band::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: min(260px, 42%);
  height: 1px;
  background: linear-gradient(90deg, var(--flare), rgba(255, 90, 31, 0));
}

.page-faq .faq-exit .eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--snow);
}

.page-faq .faq-exit__links {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-exit__links a {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--hair);
  font-size: 14px;
  color: var(--snow);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-exit__links a:hover,
.page-faq .faq-exit__links a:focus-visible {
  color: var(--paper);
  border-color: var(--flare);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-contact {
    grid-template-columns: 1.5fr 1fr;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
    column-gap: clamp(24px, 3vw, 46px);
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--rail-h) + 22px);
    padding: 18px 16px 14px;
  }

  .page-faq .faq-toc__list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-toc__link {
    white-space: normal;
    line-height: 1.5;
  }

  .page-faq .faq-group--art {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 216px;
    column-gap: clamp(20px, 3vw, 38px);
    align-items: start;
  }

  .page-faq .faq-group--art .faq-group__head {
    grid-column: 1 / -1;
  }

  .page-faq .faq-group--art .faq-figure {
    margin-top: 14px;
    position: sticky;
    top: calc(var(--rail-h) + 28px);
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-hero__panel {
    padding: clamp(38px, 4vw, 64px);
  }

  .page-faq .faq-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 190px));
    column-gap: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__ico,
  .page-faq .faq-toc__link,
  .page-faq .faq-exit__links a,
  .page-faq .crumbs a {
    transition: none;
  }
}