.page-faq {
  position: relative;
  padding-block: clamp(56px, 7vw, 104px) clamp(64px, 8vw, 128px);
  color: var(--ice);
}

.page-faq .crumbs {
  margin-bottom: clamp(26px, 3.4vw, 44px);
}

/* ---------- hero ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(22px, 3vw, 38px);
}

.page-faq .faq-annot {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 14px;
}

.page-faq .faq-hero .h1 {
  max-width: 16ch;
  line-height: 1.04;
  letter-spacing: -.02em;
  margin: 0 0 clamp(14px, 1.8vw, 22px);
}

.page-faq .faq-hero .lead {
  max-width: 58ch;
  color: var(--mist);
  font-size: clamp(1rem, 1.25vw, 1.125rem);
  line-height: 1.62;
  margin: 0;
}

.page-faq .faq-hero__rule {
  height: 3px;
  background:
    linear-gradient(90deg,
      var(--gold) 0,
      var(--gold) 72px,
      var(--edge) 72px,
      var(--edge) 100%);
}

.page-faq .faq-hero__body {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
}

/* ---------- search ---------- */
.page-faq .faq-search {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-faq .faq-search__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-search__field {
  position: relative;
  display: block;
}

.page-faq .faq-search__field input {
  display: block;
  width: 100%;
  padding: 18px 54px 18px 20px;
  font-family: var(--font-cn);
  font-size: clamp(.9375rem, 1.1vw, 1.0625rem);
  line-height: 1.4;
  color: var(--ice);
  background: var(--night);
  border: 1px solid var(--edge);
  border-left: 3px solid var(--gold);
  border-radius: 0;
  outline: none;
  appearance: none;
  transition: border-color .18s ease, background .18s ease;
}

.page-faq .faq-search__field input::placeholder {
  color: rgba(156, 192, 218, .62);
}

.page-faq .faq-search__field input:hover {
  border-color: var(--steel);
  border-left-color: var(--gold);
}

.page-faq .faq-search__field input:focus {
  background: var(--steel);
  border-color: var(--pulse);
  border-left-color: var(--pulse);
  box-shadow: inset 0 0 0 1px var(--pulse);
}

.page-faq .faq-search__ico {
  position: absolute;
  right: 20px;
  top: 50%;
  width: 14px;
  height: 14px;
  margin-top: -8px;
  border: 2px solid var(--mist);
  border-radius: 50%;
  pointer-events: none;
  transition: border-color .18s ease;
}

.page-faq .faq-search__ico::after {
  content: "";
  position: absolute;
  right: -6px;
  bottom: -4px;
  width: 8px;
  height: 2px;
  background: var(--mist);
  transform: rotate(45deg);
  transition: background .18s ease;
}

.page-faq .faq-search__field input:focus ~ .faq-search__ico {
  border-color: var(--pulse);
}

.page-faq .faq-search__field input:focus ~ .faq-search__ico::after {
  background: var(--pulse);
}

.page-faq .faq-search__hint {
  margin: 0;
  font-size: .8125rem;
  line-height: 1.5;
  color: var(--mist);
}

.page-faq .faq-hot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

.page-faq .faq-hot__t {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
  margin-right: 2px;
}

.page-faq .faq-hot .tag {
  cursor: pointer;
  font-family: var(--font-cn);
}

/* ---------- media ---------- */
.page-faq .faq-media {
  margin: 0;
}

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

/* ---------- list section ---------- */
.page-faq .faq-body {
  margin-top: clamp(52px, 7vw, 96px);
}

.page-faq .faq-body__head {
  display: grid;
  gap: 10px;
  max-width: 62ch;
}

.page-faq .faq-body__head .h2 {
  margin: 0;
}

.page-faq .faq-body__head .p {
  margin: 0;
  color: var(--mist);
}

.page-faq .faq-filters {
  display: flex;
  gap: 8px;
  margin-top: clamp(20px, 2.6vw, 30px);
  padding-bottom: 2px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-filters::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-filters .tag {
  flex: 0 0 auto;
  cursor: pointer;
  font-family: var(--font-cn);
  white-space: nowrap;
}

.page-faq .faq-filters .tag:focus-visible {
  outline: 2px solid var(--pulse);
  outline-offset: 2px;
}

/* ---------- accordion ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 3vw, 36px);
}

.page-faq .faq-list .acc {
  border: 1px solid var(--edge);
  border-left: 3px solid var(--steel);
  background: var(--night);
  transition: border-left-color .18s ease, background .18s ease;
}

.page-faq .faq-list .acc:hover {
  background: var(--steel);
  border-left-color: var(--gold);
}

.page-faq .faq-list .acc:focus-within {
  border-left-color: var(--pulse);
}

.page-faq .acc__h {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.page-faq .acc__btn {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: clamp(18px, 2.1vw, 24px) clamp(18px, 2.2vw, 26px);
  background: none;
  border: 0;
  color: var(--ice);
  font-family: var(--font-cn);
  font-size: clamp(.9375rem, 1.1vw, 1.0625rem);
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: transform .18s ease;
}

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

.page-faq .acc__sign {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 5px;
}

.page-faq .acc__sign::before,
.page-faq .acc__sign::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform .18s ease, opacity .18s ease;
}

.page-faq .acc__sign::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-faq .acc__sign::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

.page-faq .acc__btn[aria-expanded="true"] .acc__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .acc__panel {
  padding: 4px clamp(18px, 2.2vw, 26px) clamp(20px, 2.2vw, 26px);
  border-top: 1px solid rgba(31, 92, 134, .45);
  margin-top: 2px;
  color: var(--mist);
  font-size: .9375rem;
  line-height: 1.65;
}

.page-faq .acc__panel > p:first-child {
  margin-top: 14px;
}

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

/* ---------- steps ---------- */
.page-faq .faq-steps {
  counter-reset: fs;
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps li {
  position: relative;
  padding-left: 34px;
  color: var(--ice);
  font-size: .9375rem;
  line-height: 1.62;
}

.page-faq .faq-steps li::before {
  counter-increment: fs;
  content: counter(fs, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-faq .faq-steps--lg li {
  font-size: 1rem;
}

/* ---------- plain list ---------- */
.page-faq .faq-list-plain {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-list-plain li {
  position: relative;
  padding-left: 18px;
  color: var(--ice);
  font-size: .9375rem;
  line-height: 1.6;
}

.page-faq .faq-list-plain li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--edge);
}

.page-faq .faq-list-plain strong {
  color: var(--gold);
  font-weight: 600;
}

/* ---------- empty state ---------- */
.page-faq .faq-empty {
  margin: 6px 0 0;
  padding: 22px 24px;
  border: 1px dashed var(--edge);
  color: var(--mist);
  font-size: .9375rem;
  line-height: 1.6;
}

/* ---------- ios block ---------- */
.page-faq .faq-ios {
  margin-top: clamp(56px, 7vw, 104px);
  padding: clamp(28px, 4vw, 52px);
  background: linear-gradient(160deg, var(--night) 0%, var(--steel) 100%);
  border: 1px solid var(--edge);
}

.page-faq .faq-ios__grid {
  display: grid;
  gap: clamp(26px, 3.6vw, 52px);
  align-items: start;
}

.page-faq .faq-ios__body .h2 {
  margin: 0 0 16px;
  max-width: 24ch;
  line-height: 1.15;
}

.page-faq .faq-ios__body .p {
  margin: 0;
  max-width: 52ch;
  color: var(--mist);
}

.page-faq .faq-ios__body .btn {
  margin-top: 22px;
}

/* ---------- more links ---------- */
.page-faq .faq-more {
  margin-top: clamp(56px, 7vw, 96px);
}

.page-faq .faq-more .h2 {
  margin: 0 0 clamp(20px, 2.6vw, 32px);
}

.page-faq .faq-more__grid {
  display: grid;
  gap: 14px;
}

.page-faq .faq-more__card {
  display: grid;
  gap: 8px;
  padding: clamp(20px, 2.4vw, 28px);
  background: var(--night);
  border: 1px solid var(--edge);
  border-bottom: 3px solid var(--edge);
  text-decoration: none;
  color: inherit;
  transition: transform .18s ease, border-bottom-color .18s ease, background .18s ease;
}

.page-faq .faq-more__card:hover {
  transform: translateY(-4px);
  background: var(--steel);
  border-bottom-color: var(--gold);
}

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

.page-faq .faq-more__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-more__t {
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ice);
}

.page-faq .faq-more__d {
  font-size: .875rem;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- contact ---------- */
.page-faq .faq-contact {
  margin-top: clamp(56px, 7vw, 96px);
  padding-top: clamp(28px, 4vw, 48px);
  border-top: 3px solid var(--edge);
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: clamp(26px, 3.4vw, 48px);
}

.page-faq .faq-contact__body .h2 {
  margin: 0 0 16px;
  max-width: 22ch;
}

.page-faq .faq-contact__body .p {
  margin: 0 0 12px;
  max-width: 52ch;
  color: var(--mist);
}

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

.page-faq .faq-contact__links {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-faq .faq-contact__item {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  background: var(--night);
  border: 1px solid var(--edge);
  border-left: 3px solid var(--gold);
  text-decoration: none;
  color: inherit;
  transition: background .18s ease;
}

.page-faq .faq-contact__item:hover {
  background: var(--steel);
}

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

.page-faq .faq-contact__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-contact__v {
  font-family: var(--font-mono);
  font-size: clamp(.9375rem, 1.3vw, 1.125rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
  color: var(--ice);
  word-break: break-all;
}

.page-faq .faq-contact__all {
  margin-top: 4px;
  font-size: .875rem;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(226, 179, 60, .4);
  justify-self: start;
  padding-bottom: 2px;
  transition: border-color .18s ease, color .18s ease;
}

.page-faq .faq-contact__all:hover {
  color: var(--pulse);
  border-bottom-color: var(--pulse);
}

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

/* ---------- responsive ---------- */
@media (min-width: 700px) {
  .page-faq .faq-more__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-more__card:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__body {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(32px, 4vw, 60px);
    align-items: start;
  }

  .page-faq .faq-ios__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(36px, 4.6vw, 72px);
  }

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

  .page-faq .faq-more__card:first-child {
    grid-column: auto;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(36px, 4.6vw, 72px);
  }

  /* 非对称：问答条宽度两档交替，形成对角节奏 */
  .page-faq .faq-list .acc {
    width: 88%;
  }

  .page-faq .faq-list .acc:nth-child(even) {
    width: 74%;
    margin-left: auto;
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-hero__head {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: clamp(32px, 4vw, 60px);
  }

  .page-faq .faq-hero__head .faq-annot,
  .page-faq .faq-hero__head .h1 {
    grid-column: 1;
  }

  .page-faq .faq-hero__head .lead {
    grid-column: 2;
    grid-row: 2;
    align-self: end;
  }

  .page-faq .faq-hero__head .h1 {
    margin-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .acc__btn,
  .page-faq .acc__sign::before,
  .page-faq .acc__sign::after,
  .page-faq .faq-more__card,
  .page-faq .faq-contact__item,
  .page-faq .faq-contact__all,
  .page-faq .faq-search__field input {
    transition: none;
  }

  .page-faq .faq-more__card:hover {
    transform: none;
  }
}
</PAGE_CSS>