.page-faq {
  --faq-rail-w: 268px;
  --faq-num-w: 52px;
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 128px 0 var(--sp-4);
  background:
    repeating-linear-gradient(90deg, transparent 0 119px, rgba(201, 195, 178, .34) 119px 120px),
    var(--paper);
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--signal);
  opacity: .9;
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-3);
  margin-top: var(--sp-2);
}

.page-faq h1 {
  font-family: var(--ff-display);
  font-size: clamp(30px, 5.2vw, 54px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -.5px;
  margin: 12px 0 20px;
  max-width: 18ch;
}

.page-faq .lead {
  font-family: var(--ff-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  max-width: 60ch;
  margin: 0;
}

.page-faq .faq-jump {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: var(--sp-3);
  border-top: 1px solid var(--rule);
}

.page-faq .faq-jump-link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--rule);
  color: var(--ink);
  text-decoration: none;
  font-family: var(--ff-sans);
  font-size: 15px;
  transition: background-color .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-jump-link:hover,
.page-faq .faq-jump-link:focus-visible {
  background: var(--paper-2);
  border-bottom-color: var(--signal);
}

.page-faq .faq-jump-link:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-faq .faq-jump-num {
  font-size: 12px;
  color: var(--signal);
  letter-spacing: .04em;
}

.page-faq .faq-hero-side {
  border: 1px solid var(--rule);
  background: var(--white);
  padding: var(--sp-2);
}

.page-faq .faq-meta {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-faq .faq-meta-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-meta-row:last-child {
  border-bottom: 0;
}

.page-faq .faq-meta-row dt {
  font-family: var(--ff-sans);
  font-size: 13px;
  color: var(--mist);
}

.page-faq .faq-meta-row dd {
  margin: 0;
  font-size: 24px;
  font-weight: 600;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-meta-note {
  margin: var(--sp-2) 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-faq .faq-meta-note a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--signal);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-3);
  padding-top: var(--sp-3);
  padding-bottom: var(--sp-4);
}

/* ---------- 左侧索引 ---------- */
.page-faq .faq-rail {
  display: flex;
  gap: var(--sp-2);
  overflow-x: auto;
  padding-bottom: var(--sp-1);
  border-bottom: 1px solid var(--rule);
  scrollbar-width: thin;
}

.page-faq .faq-rail-title {
  display: none;
}

.page-faq .faq-rail-group {
  display: flex;
  flex-direction: column;
  flex: 0 0 auto;
  min-width: 190px;
  gap: 2px;
}

.page-faq .faq-rail-link {
  display: block;
  padding: 6px 0 6px 10px;
  border-left: 2px solid transparent;
  font-family: var(--ff-sans);
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  transition: color .16s var(--ease), border-color .16s var(--ease), background-color .16s var(--ease);
}

.page-faq .faq-rail-link:hover,
.page-faq .faq-rail-link:focus-visible {
  color: var(--ink);
  border-left-color: var(--signal);
  background: var(--paper-2);
}

.page-faq .faq-rail-link:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 1px;
}

.page-faq .faq-rail-link--group {
  font-family: var(--ff-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink);
  padding-bottom: 8px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-rail-num {
  color: var(--signal);
  font-size: 11px;
  margin-right: 6px;
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  padding-bottom: var(--sp-4);
  scroll-margin-top: 96px;
}

.page-faq .faq-sec-head {
  display: grid;
  grid-template-columns: var(--faq-num-w) 1fr;
  gap: 8px;
  align-items: start;
  padding-bottom: var(--sp-2);
  border-bottom: 2px solid var(--ink);
  margin-bottom: var(--sp-2);
}

.page-faq .faq-sec-num {
  font-size: 13px;
  color: var(--signal);
  padding-top: 8px;
  letter-spacing: .06em;
}

.page-faq .faq-sec-headText h2 {
  font-family: var(--ff-display);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 10px;
  letter-spacing: -.3px;
}

.page-faq .faq-sec-headText p {
  margin: 0;
  font-family: var(--ff-sans);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  max-width: 62ch;
}

/* ---------- 图文错位 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-3);
}

.page-faq .faq-figure {
  margin: 0;
  align-self: start;
}

.page-faq .faq-figure .figure-frame {
  border: 1px solid var(--rule);
  background: var(--console);
  overflow: hidden;
  position: relative;
}

.page-faq .faq-figure .figure-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 1px rgba(243, 241, 234, .12);
  pointer-events: none;
}

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

.page-faq .faq-figure .figure-caption {
  margin-top: 10px;
  font-family: var(--ff-serif);
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--rule);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--rule);
  background: transparent;
  scroll-margin-top: 96px;
  transition: background-color .18s var(--ease);
}

.page-faq .faq-item[open] {
  background: var(--white);
}

.page-faq .faq-q {
  display: grid;
  grid-template-columns: 40px 1fr 18px;
  gap: 10px;
  align-items: baseline;
  padding: 18px 8px 18px 0;
  cursor: pointer;
  list-style: none;
  position: relative;
  transition: box-shadow .18s var(--ease), color .18s var(--ease);
}

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

.page-faq .faq-q::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: transparent;
  transition: background-color .18s var(--ease);
}

.page-faq .faq-item:hover > .faq-q,
.page-faq .faq-q:focus-visible {
  box-shadow: inset 0 0 0 1px var(--rule);
  background: var(--paper-2);
}

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

.page-faq .faq-item[open] > .faq-q::before {
  background: var(--signal);
}

.page-faq .faq-item[open] > .faq-q {
  padding-left: 14px;
}

.page-faq .faq-q-num {
  font-size: 12px;
  color: var(--mist);
  letter-spacing: .04em;
}

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

.page-faq .faq-q-text {
  font-family: var(--ff-sans);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .faq-q-mark {
  position: relative;
  align-self: center;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--mist);
  border-bottom: 2px solid var(--mist);
  transform: rotate(45deg);
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

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

.page-faq .faq-a {
  padding: 0 8px var(--sp-2) 54px;
}

.page-faq .faq-item[open] > .faq-q {
  padding-right: 8px;
}

.page-faq .faq-a p {
  margin: 0 0 12px;
  font-family: var(--ff-sans);
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
  max-width: 64ch;
}

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

.page-faq .faq-path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-family: var(--ff-mono);
  font-size: 12px;
  color: var(--mist);
  border-left: 1px solid var(--rule);
  padding-left: 10px;
}

.page-faq .faq-arrow {
  color: var(--signal);
}

/* ---------- 字段对照表 ---------- */
.page-faq .faq-table-wrap {
  margin-top: var(--sp-3);
  overflow-x: auto;
  border: 1px solid var(--rule);
  background: var(--white);
}

.page-faq .faq-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-family: var(--ff-sans);
  font-size: 14px;
}

.page-faq .faq-table caption {
  text-align: left;
  padding: 14px 16px;
  font-family: var(--ff-serif);
  font-size: 13px;
  color: var(--ink);
  background: var(--paper-2);
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--rule);
  line-height: 1.6;
  vertical-align: top;
}

.page-faq .faq-table thead th {
  font-family: var(--ff-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--mist);
  background: var(--paper);
}

.page-faq .faq-table tbody th {
  font-family: var(--ff-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.page-faq .faq-table tbody td {
  color: var(--ink);
}

.page-faq .faq-table tbody tr {
  transition: background-color .16s var(--ease);
}

.page-faq .faq-table tbody tr:hover {
  background: var(--paper-2);
}

.page-faq .faq-table tbody tr:hover th {
  box-shadow: inset 2px 0 0 var(--signal);
}

/* ---------- 联系区 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-2);
  background:
    repeating-linear-gradient(90deg, transparent 0 79px, rgba(243, 241, 234, .07) 79px 80px),
    var(--console);
  color: var(--paper);
  border: 1px solid var(--console);
  scroll-margin-top: 96px;
}

.page-faq .faq-contact .kicker {
  color: var(--signal-soft);
}

.page-faq .faq-contact h2 {
  font-family: var(--ff-display);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1.15;
  margin: 10px 0 12px;
  color: var(--white);
}

.page-faq .faq-contact-main p {
  margin: 0 0 var(--sp-2);
  font-family: var(--ff-sans);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(243, 241, 234, .78);
  max-width: 56ch;
}

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

.page-faq .faq-contact-actions .btn-outline {
  border-color: var(--signal-soft);
  color: var(--paper);
}

.page-faq .faq-contact-actions .btn-outline:hover,
.page-faq .faq-contact-actions .btn-outline:focus-visible {
  border-color: var(--signal);
  color: var(--white);
  background: rgba(255, 90, 31, .12);
}

.page-faq .faq-contact-side {
  border-top: 1px solid rgba(243, 241, 234, .18);
  padding-top: var(--sp-2);
}

.page-faq .faq-contact .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-contact .contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(243, 241, 234, .14);
  font-family: var(--ff-sans);
  font-size: 14px;
}

.page-faq .faq-contact .contact-row a {
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 180, 155, .5);
}

.page-faq .faq-contact .contact-row a:hover,
.page-faq .faq-contact .contact-row a:focus-visible {
  border-bottom-color: var(--signal);
}

.page-faq .faq-contact-label {
  font-family: var(--ff-mono);
  font-size: 12px;
  color: var(--mist);
  min-width: 64px;
}

.page-faq .faq-contact-note {
  margin: var(--sp-2) 0 0;
  font-family: var(--ff-sans);
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 尾部指引 ---------- */
.page-faq .faq-tail {
  margin: var(--sp-3) 0 0;
  padding-top: var(--sp-2);
  border-top: 1px solid var(--rule);
  font-family: var(--ff-serif);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-tail a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--signal);
}

.page-faq .faq-tail a:hover,
.page-faq .faq-tail a:focus-visible {
  color: var(--signal);
}

/* ---------- 宽屏 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-jump {
    grid-template-columns: repeat(2, 1fr);
    column-gap: var(--sp-2);
  }

  .page-faq .faq-list--wide {
    padding-left: 0;
  }

  .page-faq .faq-contact {
    grid-template-columns: 1.25fr 1fr;
    padding: var(--sp-3);
  }

  .page-faq .faq-contact-side {
    border-top: 0;
    border-left: 1px solid rgba(243, 241, 234, .18);
    padding-top: 0;
    padding-left: var(--sp-2);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: 8fr 3fr;
    gap: var(--sp-3);
    align-items: start;
  }

  .page-faq .faq-jump {
    grid-template-columns: repeat(4, 1fr);
    column-gap: 0;
  }

  .page-faq .faq-jump-link {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 16px 12px 18px 0;
    border-bottom: 0;
    border-right: 1px solid var(--rule);
  }

  .page-faq .faq-jump-link:last-child {
    border-right: 0;
  }

  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: var(--sp-3);
  }

  .page-faq .faq-rail {
    display: block;
    position: sticky;
    top: 88px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    overflow-x: hidden;
    padding-bottom: 0;
    border-bottom: 0;
    border-left: 1px solid var(--rule);
    padding-left: 0;
  }

  .page-faq .faq-rail-title {
    display: block;
    margin: 0 0 var(--sp-2);
    padding-left: 12px;
    font-family: var(--ff-mono);
    font-size: 11px;
    letter-spacing: .12em;
    color: var(--mist);
    text-transform: uppercase;
  }

  .page-faq .faq-rail-group {
    display: block;
    min-width: 0;
    margin-bottom: var(--sp-2);
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: var(--sp-3);
  }

  .page-faq .faq-split--reverse {
    grid-template-columns: 260px minmax(0, 1fr);
  }

  .page-faq .faq-split--reverse .faq-figure {
    order: -1;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero {
    padding-top: 148px;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) 300px;
  }

  .page-faq .faq-split--reverse {
    grid-template-columns: 300px minmax(0, 1fr);
  }
}
<<<END>>>