.page-faq {
  --faq-side-w: 264px;
  --faq-gap: 26px;
  background: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-masthead {
  padding: clamp(28px, 5vw, 58px) 0 clamp(26px, 4vw, 44px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(185, 58, 50, .10), rgba(185, 58, 50, 0) 62%),
    linear-gradient(180deg, var(--mist), var(--paper));
}

.page-faq .faq-masthead-grid {
  display: grid;
  gap: clamp(22px, 4vw, 38px);
}

.page-faq .faq-masthead-copy {
  min-width: 0;
}

.page-faq .faq-title {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(30px, 7vw, 56px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-faq .faq-lede {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--ink-2);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-faq .faq-stat {
  margin: 0;
  padding: 16px 10px;
  display: grid;
  gap: 6px;
  text-align: center;
  background: var(--card);
}

.page-faq .faq-stat-num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 4vw, 28px);
  font-weight: 700;
  line-height: 1;
  color: var(--cinnabar);
}

.page-faq .faq-stat-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: var(--track-wide);
  color: var(--stone);
}

@media (min-width: 920px) {
  .page-faq .faq-masthead-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
    gap: 56px;
  }
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: var(--faq-gap);
  padding: clamp(26px, 4vw, 46px) 0 clamp(48px, 6vw, 84px);
  min-width: 0;
}

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

.page-faq .faq-side {
  display: grid;
  gap: 20px;
  min-width: 0;
}

@media (min-width: 1000px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-side-w) minmax(0, 1fr);
    gap: 58px;
    align-items: start;
  }
  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }
}

/* ---------- 搜索 ---------- */
.page-faq .faq-search {
  position: relative;
  display: block;
}

.page-faq .faq-search-icon {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--stone);
  pointer-events: none;
}

.page-faq .faq-search-input {
  box-sizing: border-box;
  width: 100%;
  padding: 13px 16px 13px 42px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-m);
  background: var(--card);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.4;
  appearance: none;
}

.page-faq .faq-search-input::placeholder {
  color: var(--stone);
}

.page-faq .faq-search-input:focus {
  outline: none;
  border-color: var(--cinnabar);
  box-shadow: 0 0 0 3px rgba(185, 58, 50, .14);
}

/* ---------- 分类锚点 ---------- */
.page-faq .faq-cats-title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: var(--track-wide);
  color: var(--stone);
}

.page-faq .faq-cat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  max-width: 100%;
  overflow-x: auto;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  scrollbar-width: thin;
}

.page-faq .faq-cat-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--card);
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-cat-link:hover {
  border-color: var(--cinnabar);
  color: var(--cinnabar-deep);
}

.page-faq .faq-cat-link.is-active {
  border-color: var(--cinnabar);
  background: var(--cinnabar);
  color: var(--paper);
}

.page-faq .faq-cat-num {
  font-size: 11px;
  color: var(--celadon);
  letter-spacing: .08em;
}

.page-faq .faq-cat-link.is-active .faq-cat-num {
  color: var(--gold);
}

@media (min-width: 1000px) {
  .page-faq .faq-cat-list {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    gap: 2px;
    overflow: visible;
  }
  .page-faq .faq-cat-link {
    display: flex;
    width: 100%;
    box-sizing: border-box;
    padding: 9px 12px 9px 10px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0 var(--radius-s) var(--radius-s) 0;
    background: transparent;
    font-size: 14.5px;
    white-space: normal;
  }
  .page-faq .faq-cat-link:hover {
    background: var(--mist);
    border-left-color: var(--celadon-light);
  }
  .page-faq .faq-cat-link.is-active {
    background: var(--mist);
    border-left-color: var(--cinnabar);
    color: var(--cinnabar-deep);
    font-weight: 600;
  }
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(36px, 5vw, 58px);
}

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 12px;
  row-gap: 6px;
  align-items: baseline;
  padding-bottom: 13px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group-index {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--cinnabar);
}

.page-faq .faq-group-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(21px, 3.2vw, 29px);
  line-height: 1.32;
  color: var(--ink);
}

.page-faq .faq-group-note {
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--stone);
}

/* ---------- 图 ---------- */
.page-faq .faq-fig {
  margin: 0 0 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--mist);
}

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

.page-faq .faq-fig-cap {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  background: var(--card);
  font-size: 12.5px;
  letter-spacing: .03em;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 折叠条目 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--card);
  transition: border-color .22s var(--ease), box-shadow .22s var(--ease);
}

.page-faq .qa-item[open] {
  border-color: rgba(185, 58, 50, .38);
  box-shadow: var(--shadow-soft);
}

.page-faq .qa-question {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-sans);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

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

.page-faq .qa-question::marker {
  content: "";
}

.page-faq .qa-q-text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa-chevron {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: 7px;
  border-right: 2px solid var(--cinnabar);
  border-bottom: 2px solid var(--cinnabar);
  transform: rotate(45deg);
  transition: transform .24s var(--ease);
}

.page-faq .qa-item[open] .qa-chevron {
  transform: rotate(-135deg);
}

.page-faq .qa-answer {
  padding: 14px 16px 18px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.82;
  color: var(--ink-2);
}

.page-faq .qa-answer > p {
  margin: 0 0 10px;
}

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

.page-faq .qa-steps {
  list-style: none;
  counter-reset: qa-step;
  margin: 12px 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .qa-steps > li {
  counter-increment: qa-step;
  position: relative;
  padding-left: 30px;
  font-size: 14.5px;
  line-height: 1.7;
}

.page-faq .qa-steps > li::before {
  content: counter(qa-step);
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--mist);
  color: var(--cinnabar-deep);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}

.page-faq .qa-next {
  margin: 12px 0 0;
  font-size: 13.5px;
  color: var(--stone);
}

.page-faq .qa-next a {
  color: var(--cinnabar);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-faq .qa-next a:hover {
  color: var(--cinnabar-deep);
}

@media (min-width: 640px) {
  .page-faq .qa-list {
    gap: 12px;
  }
  .page-faq .qa-question {
    padding: 17px 20px;
    font-size: 16px;
  }
  .page-faq .qa-answer {
    padding: 16px 20px 20px;
  }
}

/* ---------- 结尾指引 ---------- */
.page-faq .faq-help {
  padding: clamp(40px, 6vw, 78px) 0;
  background: var(--ink);
  color: var(--paper);
}

.page-faq .faq-help-inner {
  display: grid;
  gap: 26px;
}

.page-faq .faq-help-title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(23px, 4.2vw, 36px);
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-help-text {
  margin: 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(245, 240, 230, .78);
}

.page-faq .faq-help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: center;
}

.page-faq .faq-help-actions .btn-ghost {
  border-color: rgba(245, 240, 230, .42);
  color: var(--paper);
}

.page-faq .faq-help-actions .btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
}

@media (min-width: 860px) {
  .page-faq .faq-help-inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: center;
    gap: 60px;
  }
  .page-faq .faq-help-actions {
    justify-content: flex-end;
  }
}
<<<END>>>