.page-faq {
  --faq-rail: 232px;
  --faq-line: rgba(139, 148, 139, .28);
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-sans);
  overflow-x: clip;
}

.page-faq .container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 20px 0 36px;
  background:
    repeating-linear-gradient(90deg, rgba(139, 148, 139, .05) 0 1px, transparent 1px 96px),
    linear-gradient(180deg, #0A1F1A 0%, #111514 100%);
  border-bottom: 2px solid var(--moss);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 26px;
  margin-top: 18px;
}

.page-faq h1 {
  margin: 8px 0 0;
  font-size: clamp(34px, 8vw, 72px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--cream);
}

.page-faq h1::after {
  content: "";
  display: block;
  width: 64px;
  height: 4px;
  margin-top: 18px;
  background: var(--amber);
}

.page-faq .faq-hero__dek {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(242, 237, 227, .84);
}

.page-faq .faq-hero__state {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin-top: 22px;
  padding: 10px 14px;
  border: 2px solid var(--moss);
  background: rgba(17, 21, 20, .7);
}

.page-faq .faq-hero__state .status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: .02em;
}

.page-faq .faq-hero__state .meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: rgba(242, 237, 227, .66);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-hero__media {
  border: 2px solid var(--moss);
  box-shadow: var(--shadow-hard);
  margin: 0;
  background: var(--stand);
}

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

/* ---------- 主体：侧栏 + 内容 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 28px;
  padding-top: 34px;
  padding-bottom: 64px;
}

.page-faq .faq-rail {
  border: 2px solid var(--line-strong);
  background: rgba(17, 21, 20, .82);
  padding: 14px;
}

.page-faq .faq-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-faq .faq-rail__nav {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.page-faq .faq-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 9px 12px;
  border: 1px solid var(--faq-line);
  color: var(--cream);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  transition: border-color .18s ease, color .18s ease, background .18s ease;
}

.page-faq .faq-rail__n {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  border-color: var(--amber);
  color: var(--amber);
  background: rgba(227, 168, 63, .08);
  outline: none;
}

.page-faq .faq-rail__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--faq-line);
  font-size: 13px;
  line-height: 1.8;
  color: rgba(242, 237, 227, .62);
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  margin-bottom: 46px;
  scroll-margin-top: calc(var(--bar-h) + 22px);
}

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

.page-faq .faq-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--line-strong);
  margin-bottom: 16px;
}

.page-faq .faq-sec__head .num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--amber);
}

.page-faq .faq-sec h2 {
  margin: 0;
  font-size: clamp(22px, 4.2vw, 36px);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.2;
  color: var(--cream);
}

.page-faq .faq-sec__dek {
  margin: 0 0 20px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 237, 227, .74);
}

/* ---------- 三级分类 ---------- */
.page-faq .faq-cats {
  display: grid;
  gap: 14px;
}

.page-faq .faq-cat {
  padding: 16px 16px 18px;
  background: var(--stand);
  border: 2px solid var(--moss);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .faq-cat--navy {
  border-color: var(--navy);
}

.page-faq .faq-cat--clay {
  border-color: var(--clay);
}

.page-faq .faq-cat .meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-faq .faq-cat h3 {
  margin: 6px 0 8px;
  font-size: 19px;
  font-weight: 800;
  color: var(--cream);
}

.page-faq .faq-cat__lead {
  margin: 0 0 12px;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(242, 237, 227, .7);
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chips .tag {
  display: inline-block;
  text-decoration: none;
}

.page-faq .faq-cat__foot {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--faq-line);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(242, 237, 227, .58);
}

.page-faq .faq-cat__media {
  margin: 18px 0 0;
  border: 2px solid var(--moss);
  box-shadow: var(--shadow-hard);
  background: var(--stand);
}

/* ---------- 折叠问答 ---------- */
.page-faq .fold {
  margin-bottom: 10px;
  border: 2px solid var(--line-strong);
  background: var(--stand);
  transition: border-color .18s ease, background .18s ease;
}

.page-faq .fold__summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .qa-num {
  flex: 0 0 auto;
  min-width: 26px;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-faq .fold__body {
  padding: 0 16px 16px 54px;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(242, 237, 227, .8);
}

.page-faq .fold__body p {
  margin: 0 0 10px;
}

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

.page-faq .fold[open] {
  border-color: var(--amber);
}

.page-faq .fold[open] .qa-num {
  color: var(--amber);
}

/* 米白阅读组 */
.page-faq .faq-sec--cream .fold {
  background: var(--cream);
  border-color: rgba(10, 31, 26, .22);
}

.page-faq .faq-sec--cream .fold__summary {
  color: var(--ink);
}

.page-faq .faq-sec--cream .fold .qa-num {
  color: var(--clay);
}

.page-faq .faq-sec--cream .fold__body {
  color: #2b3a33;
}

.page-faq .faq-sec--cream .fold[open] {
  border-color: var(--amber);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .faq-sec--cream .fold[open] .qa-num {
  color: var(--clay);
}

/* 苔绿深层组 */
.page-faq .faq-sec--moss .fold {
  background: var(--moss);
  border-color: rgba(81, 227, 210, .32);
}

.page-faq .faq-sec--moss .fold__body {
  color: rgba(242, 237, 227, .84);
}

.page-faq .faq-sec--moss .fold[open] {
  border-color: var(--cyan);
}

/* ---------- 更新与纠错 ---------- */
.page-faq .faq-update {
  display: grid;
  gap: 18px;
}

.page-faq .faq-update__col .meta {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-faq .faq-sched {
  border-top: 2px solid var(--line-strong);
}

.page-faq .faq-sched__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-sched__k {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-faq .faq-sched__v {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 237, 227, .8);
}

.page-faq .faq-update__hint {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(242, 237, 227, .62);
}

.page-faq .faq-update__col--panel {
  padding: 18px;
  border: 2px solid var(--navy);
  background: rgba(51, 80, 110, .18);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .faq-update__col--panel h3 {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--cream);
}

.page-faq .faq-list {
  margin: 0 0 14px;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(242, 237, 227, .82);
}

.page-faq .faq-list li {
  margin-bottom: 6px;
}

.page-faq .faq-update__mail {
  margin: 0 0 14px;
  font-size: 13.5px;
  color: rgba(242, 237, 227, .72);
}

.page-faq .faq-mail {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
  word-break: break-all;
}

/* ---------- 还需要帮助 ---------- */
.page-faq .faq-support {
  display: grid;
  gap: 14px;
}

.page-faq .faq-support__box {
  padding: 16px;
  border: 2px solid var(--moss);
  background: var(--stand);
}

.page-faq .faq-support__box .meta {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-faq .faq-support__strong {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: .02em;
  color: var(--amber);
  word-break: break-all;
}

.page-faq .faq-support__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(242, 237, 227, .7);
}

.page-faq .faq-next {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 2px solid var(--line-strong);
}

.page-faq .faq-next .meta {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-faq .faq-next__links {
  display: grid;
  gap: 8px;
}

.page-faq .faq-next__links .index__row {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 4px 10px;
  padding: 12px 14px;
  border: 1px solid var(--faq-line);
  background: rgba(17, 21, 20, .6);
  color: var(--cream);
  text-decoration: none;
  transition: border-color .18s ease, transform .18s ease, background .18s ease;
}

.page-faq .faq-next__links .index__row:hover,
.page-faq .faq-next__links .index__row:focus-visible {
  border-color: var(--amber);
  background: rgba(227, 168, 63, .08);
  transform: translateX(4px);
  outline: none;
}

.page-faq .faq-next__links .index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  padding-top: 3px;
}

.page-faq .faq-next__links .index__title {
  font-size: 15px;
  font-weight: 700;
}

.page-faq .faq-next__links .index__desc {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(242, 237, 227, .64);
}

.page-faq .faq-top {
  display: inline-block;
  margin-top: 24px;
  padding: 8px 14px;
  border: 2px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cream);
  text-decoration: none;
  transition: border-color .18s ease, color .18s ease;
}

.page-faq .faq-top:hover,
.page-faq .faq-top:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  outline: none;
}

/* ---------- 桌面 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero {
    padding: 26px 0 48px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
    gap: 40px;
  }

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

  .page-faq .faq-update {
    grid-template-columns: 1.15fr 1fr;
    gap: 26px;
    align-items: start;
  }

  .page-faq .faq-sched__row {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-faq .faq-support {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
    padding-top: 44px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--bar-h) + 20px);
  }

  .page-faq .faq-rail__nav {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-rail__link {
    width: 100%;
    justify-content: flex-start;
  }

  .page-faq .faq-sec__head {
    padding-bottom: 12px;
    margin-bottom: 18px;
  }

  .page-faq .fold__summary {
    padding: 16px 20px;
    font-size: 16px;
  }

  .page-faq .fold__body {
    padding: 0 22px 18px 58px;
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .fold,
  .page-faq .faq-rail__link,
  .page-faq .faq-top,
  .page-faq .faq-next__links .index__row {
    transition: none;
  }

  .page-faq .faq-next__links .index__row:hover {
    transform: none;
  }
}
<<<END>>>