.page-faq {
  background: var(--court);
  color: var(--paper);
  padding-bottom: 72px;
}

.page-faq .breadcrumb {
  padding: 20px 0 0;
}

.page-faq .breadcrumb__item {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-faq .breadcrumb__item a {
  color: var(--gray);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) ease-out, border-color var(--dur) ease-out;
}

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

.page-faq .breadcrumb__item[aria-current="page"] {
  color: var(--lime);
}

.page-faq a:focus-visible,
.page-faq button:focus-visible,
.page-faq summary:focus-visible,
.page-faq input:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding: 36px 0 32px;
  border-bottom: 2px solid rgba(243, 247, 244, 0.22);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 20px;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}

.page-faq .eyebrow {
  color: var(--lime);
}

.page-faq .faq-stamp {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gray);
  margin: 0;
  border-left: 2px solid var(--orange);
  padding-left: 10px;
}

.page-faq .faq-stamp [data-verified-slot] {
  color: var(--orange);
  font-weight: 700;
}

.page-faq h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 8vw, 60px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  color: var(--paper);
}

.page-faq .faq-lede {
  font-size: 18px;
  line-height: 1.75;
  color: var(--paper);
  max-width: 44ch;
  margin: 0;
}

/* ---------- 主体分栏 ---------- */

.page-faq .faq-body {
  display: block;
  padding-top: 32px;
}

.page-faq .faq-aside {
  margin-bottom: 28px;
}

.page-faq .faq-index__caption {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime);
  margin: 0 0 12px;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 8px;
  border: 2px solid rgba(243, 247, 244, 0.14);
  background: rgba(6, 26, 23, 0.55);
  color: var(--gray);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.3;
  transition: color var(--dur) ease-out, border-color var(--dur) ease-out,
    background-color var(--dur) ease-out, transform var(--dur) ease-out;
}

.page-faq .faq-index__link:hover {
  color: var(--paper);
  border-color: var(--lime);
  background: rgba(200, 240, 74, 0.08);
  transform: translateY(-2px);
}

.page-faq .faq-index__num {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--lime);
  flex: none;
}

.page-faq .faq-index__label {
  flex: none;
}

.page-faq .faq-index__tick {
  flex: 1 1 auto;
  min-width: 14px;
  height: 2px;
  background: rgba(154, 175, 166, 0.4);
  transition: background-color var(--dur) ease-out;
}

.page-faq .faq-index__link:hover .faq-index__tick {
  background: var(--lime);
}

.page-faq .faq-index__count {
  font-size: 11px;
  color: var(--gray);
  flex: none;
}

.page-faq .faq-index__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
  max-width: 30ch;
}

/* ---------- 主栏 ---------- */

.page-faq .faq-figure {
  margin: 0 0 20px;
  border: 2px solid var(--night);
  box-shadow: 6px 6px 0 rgba(6, 26, 23, 0.7);
  background: var(--night);
}

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

.page-faq .faq-figure--inline {
  margin: 18px 0 0;
  max-width: 460px;
}

.page-faq .media__caption {
  font-size: 12px;
  line-height: 1.6;
  color: var(--gray);
  padding: 10px 12px;
  border-top: 2px solid rgba(154, 175, 166, 0.3);
  background: var(--night);
}

.page-faq .faq-search {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 2px solid rgba(243, 247, 244, 0.24);
  background: var(--night);
  margin-bottom: 28px;
}

.page-faq .faq-search__label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lime);
  flex: none;
}

.page-faq .faq-search__input {
  flex: 1 1 200px;
  min-width: 0;
  background: transparent;
  border: 0;
  border-bottom: 2px solid var(--orange);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  padding: 6px 2px;
}

.page-faq .faq-search__input::placeholder {
  color: var(--gray);
}

.page-faq .faq-search__hint {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gray);
  flex: none;
}

/* ---------- 问答分组 ---------- */

.page-faq .faq-lists {
  display: grid;
  gap: 44px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--lime);
}

.page-faq .faq-group__num {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--lime);
  flex: none;
}

.page-faq .faq-group__title {
  font-family: var(--font-display);
  font-size: clamp(24px, 5vw, 32px);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--paper);
}

.page-faq .faq-group__meta {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray);
  flex: none;
}

.page-faq .faq-group__list {
  display: grid;
  gap: 0;
  margin-top: 8px;
}

/* ---------- 折叠问答条目 ---------- */

.page-faq .faq-q {
  border: 2px solid rgba(243, 247, 244, 0.18);
  border-top: 0;
  background: transparent;
  transition: transform var(--dur) ease-out, box-shadow var(--dur) ease-out,
    background-color var(--dur) ease-out, border-color var(--dur) ease-out;
}

.page-faq .faq-q:first-child {
  border-top: 2px solid rgba(243, 247, 244, 0.18);
}

.page-faq .faq-q__head {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 16px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--paper);
  user-select: none;
}

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

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

.page-faq .faq-q__id {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--orange);
  padding-top: 5px;
}

.page-faq .faq-q__text {
  flex: 1 1 auto;
}

.page-faq .faq-q:hover {
  border-color: rgba(200, 240, 74, 0.6);
  background: rgba(200, 240, 74, 0.05);
}

.page-faq .faq-q[open] {
  background: var(--paper);
  border-color: var(--night);
  box-shadow: 6px 6px 0 var(--night);
  transform: translateY(-2px);
}

.page-faq .faq-q[open] .faq-q__head {
  color: var(--court);
  border-bottom: 2px dotted rgba(11, 43, 38, 0.3);
}

.page-faq .faq-q[open] .faq-q__id {
  color: var(--orange-deep);
}

.page-faq .faq-q__body {
  padding: 14px 16px 18px;
  color: var(--court);
}

.page-faq .faq-q__body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  max-width: 40ch;
}

.page-faq .faq-q__body a {
  color: var(--orange-deep);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid rgba(180, 80, 31, 0.45);
  transition: border-color var(--dur) ease-out, color var(--dur) ease-out;
}

.page-faq .faq-q__body a:hover {
  color: var(--court);
  border-bottom-color: var(--lime);
}

/* ---------- 纠错复制条 ---------- */

.page-faq .faq-copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  margin-top: 18px;
  border: 2px solid var(--orange);
  background: rgba(180, 80, 31, 0.14);
  box-shadow: 4px 4px 0 rgba(6, 26, 23, 0.6);
}

.page-faq .faq-copy__text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  flex: 1 1 200px;
}

.page-faq .faq-copy__label {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-faq .faq-copy__value {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  word-break: break-all;
}

/* ---------- 仍未解决 ---------- */

.page-faq .faq-group--open .faq-group__head {
  border-bottom-color: var(--gray);
}

.page-faq .faq-group--open .faq-group__num {
  color: var(--gray);
}

.page-faq .faq-open__body {
  margin-top: 18px;
  padding: 22px 20px;
  border: 2px solid var(--night);
  background: var(--paper);
  color: var(--court);
  box-shadow: 6px 6px 0 var(--night);
}

.page-faq .faq-open__body p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.75;
  max-width: 46ch;
}

.page-faq .faq-open__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-open__body .btn--lime {
  background: var(--lime);
  color: var(--court);
  border-color: var(--night);
}

.page-faq .faq-open__body .btn--ghost {
  color: var(--court);
  border-color: var(--court);
}

.page-faq .is-hidden {
  display: none;
}

/* ---------- 响应式 ---------- */

@media (min-width: 560px) {
  .page-faq .faq-index__list {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .page-faq {
    padding-bottom: 112px;
  }

  .page-faq .faq-hero {
    padding: 52px 0 44px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: var(--gap);
    align-items: end;
  }

  .page-faq .faq-body {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: var(--gap);
    align-items: start;
    padding-top: 44px;
  }

  .page-faq .faq-aside {
    margin-bottom: 0;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 112px;
  }

  .page-faq .faq-index__list {
    grid-template-columns: 1fr;
  }

  .page-faq .faq-group__list {
    gap: 0;
  }

  .page-faq .faq-group__head {
    padding-bottom: 12px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  }

  .page-faq .faq-body {
    grid-template-columns: minmax(0, 3fr) minmax(0, 8fr);
    gap: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: 0ms !important;
    animation: none !important;
  }
}