.page-faq {
  position: relative;
  isolation: isolate;
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-faq::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to right, var(--grid) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(to bottom, var(--grid) 0 1px, transparent 1px 96px);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 58%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0%, #000 58%, transparent 100%);
}

.page-faq .faq-col {
  width: 100%;
  max-width: 680px;
  margin-inline: auto;
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(22px, 4vw, 38px);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-mute);
}

.page-faq .crumbs__item {
  color: inherit;
  text-decoration: none;
}

.page-faq a.crumbs__item {
  transition: color 180ms var(--ease);
}

.page-faq a.crumbs__item:hover {
  color: var(--gold);
}

.page-faq .crumbs__item[aria-current="page"] {
  color: var(--ink-soft);
}

.page-faq .crumbs__sep {
  color: var(--line-2);
}

/* ---------- 页头 ---------- */
.page-faq .faq-head {
  display: grid;
  gap: clamp(12px, 2vw, 18px);
  padding-block: clamp(26px, 5vw, 52px) clamp(26px, 4vw, 40px);
}

.page-faq .faq-head__title {
  margin: 0;
  font-weight: 200;
  line-height: 0.96;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.page-faq .faq-head__lede {
  margin: 0;
  font-size: clamp(15.5px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .faq-head__lede a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 1px;
  transition: color 180ms var(--ease);
}

.page-faq .faq-head__lede a:hover {
  color: var(--gold);
}

.page-faq .faq-head__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 4px 0 0;
}

/* ---------- 筛选控件 ---------- */
.page-faq .faq-controls {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  padding-bottom: clamp(24px, 3.5vw, 38px);
}

.page-faq .faq-search {
  display: grid;
  gap: 10px;
  padding: 16px clamp(14px, 2vw, 22px) 18px;
  border: 1px solid var(--line);
  background: var(--glass);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.page-faq .faq-search__label {
  color: var(--ink-mute);
}

.page-faq .faq-search__input {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line-2);
  background: transparent;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.4;
  padding: 6px 0 12px;
  outline: none;
  transition: border-color 180ms var(--ease);
}

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

.page-faq .faq-search__input:focus-visible {
  border-bottom-color: var(--gold);
}

.page-faq .faq-search__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-mute);
}

.page-faq .faq-search__hint a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 162, 27, 0.4);
}

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

/* 分段控件 */
.page-faq .tablist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-faq .tab {
  display: block;
  width: 100%;
  padding: 13px 10px;
  border: 1px solid var(--line-2);
  background: var(--glass);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-align: center;
  cursor: pointer;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-faq .tab:hover {
  color: var(--ink);
  border-color: var(--line-2);
}

.page-faq .tab:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: 2px;
}

.page-faq .tab[aria-selected="true"] {
  color: var(--gold);
  border-color: var(--gold);
  background: rgba(242, 162, 27, 0.07);
}

/* ---------- 问答面板 ---------- */
.page-faq .tabpanel {
  padding-top: clamp(26px, 4vw, 40px);
}

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

.page-faq .faq-figure {
  margin: 0 0 clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
}

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

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

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

.page-faq .faq-q {
  display: block;
}

.page-faq .faq-q__head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: start;
  padding: 17px 4px;
  cursor: pointer;
  list-style: none;
  transition: color 180ms var(--ease);
}

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

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

.page-faq .faq-q__head:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: 2px;
}

.page-faq .faq-q__no {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  line-height: 1.9;
  color: var(--ink-mute);
  transition: color 180ms var(--ease);
}

.page-faq .faq-q__text {
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.65;
  color: var(--ink);
  transition: color 180ms var(--ease);
}

.page-faq .faq-q__head:hover .faq-q__text {
  color: var(--gold);
}

.page-faq .faq-q__mark {
  justify-self: end;
  width: 9px;
  height: 9px;
  margin-top: 7px;
  border-right: 1px solid var(--silver);
  border-bottom: 1px solid var(--silver);
  transform: rotate(45deg);
  transition: transform 200ms var(--ease), border-color 200ms var(--ease);
}

.page-faq .faq-q[open] .faq-q__mark {
  transform: rotate(225deg);
  border-color: var(--gold);
}

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

.page-faq .faq-q__body {
  padding: 0 4px 22px 46px;
}

.page-faq .faq-q__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .faq-q__body p + p {
  margin-top: 9px;
}

.page-faq .faq-q__body a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 162, 27, 0.4);
}

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

/* ---------- 术语表 ---------- */
.page-faq .faq-glossary {
  padding-block: clamp(40px, 6vw, 72px) clamp(32px, 5vw, 56px);
}

.page-faq .faq-glossary .rule {
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .faq-section__title {
  margin: 10px 0 0;
  font-size: clamp(1.5rem, 3.6vw, 2.125rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-section__lede {
  margin: 10px 0 clamp(20px, 3vw, 28px);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-mute);
}

.page-faq .glossary {
  display: grid;
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-faq .glossary__row {
  padding: 15px 4px;
  border-bottom: 1px solid var(--line);
}

.page-faq .glossary__term {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-faq .glossary__desc {
  margin: 6px 0 0;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.78;
  color: var(--ink-mute);
}

/* ---------- 页尾联系 ---------- */
.page-faq .faq-cta {
  padding-block: clamp(32px, 5vw, 52px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-cta .faq-figure {
  margin-bottom: clamp(22px, 3vw, 32px);
}

.page-faq .faq-cta__lede {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .faq-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: clamp(20px, 3vw, 28px) 0 0;
}

.page-faq .faq-footnote {
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-mute);
}

.page-faq .faq-footnote a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-2);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .tablist {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .tab {
    font-size: 13.5px;
    padding: 14px 8px;
  }
}

@media (min-width: 760px) {
  .page-faq .glossary__row {
    display: grid;
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
    padding: 17px 4px;
  }

  .page-faq .glossary__desc {
    margin: 1px 0 0;
  }

  .page-faq .faq-q__head {
    padding: 19px 4px;
  }

  .page-faq .faq-q__text {
    font-size: 16px;
  }
}

@media (max-width: 639px) {
  .page-faq .faq-q__body {
    padding-left: 4px;
  }

  .page-faq .faq-head__title {
    letter-spacing: -0.02em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-q__mark,
  .page-faq .faq-q__no,
  .page-faq .faq-q__text,
  .page-faq .tab,
  .page-faq .faq-search__input {
    transition: none;
  }
}
<<<END>>>