.page-faq {
  --faq-index-w: 232px;
  --faq-block-gap: 64px;
  display: block;
  padding: 32px 0 96px;
  background: var(--yh-bg);
  color: var(--yh-text);
}

@media (min-width: 1024px) {
  .page-faq {
    --faq-block-gap: 88px;
    padding: 44px 0 120px;
  }
}

/* ---------- 面包屑下方留白 ---------- */
.page-faq .yh-crumbs {
  margin-bottom: 20px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  margin-top: 4px;
}

.page-faq .faq-hero__frame {
  position: relative;
  padding: 40px 24px 36px;
  background:
    radial-gradient(120% 100% at 8% 0%, rgba(108, 92, 231, 0.20), transparent 62%),
    linear-gradient(170deg, var(--yh-surface) 0%, var(--yh-bg) 78%);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__frame {
    padding: 64px 56px 56px;
  }
}

.page-faq .faq-hero .yh-display {
  margin: 14px 0 0;
  max-width: 15em;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero .yh-lead {
  margin: 22px 0 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--yh-muted);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 44px;
  margin: 34px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--yh-line);
}

.page-faq .faq-stat {
  min-width: 92px;
}

.page-faq .faq-stat__label {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--yh-muted);
}

.page-faq .faq-stat__num {
  margin: 6px 0 0;
  font-family: var(--yh-font-mono);
  font-size: 24px;
  font-weight: 500;
  color: var(--yh-cyan);
  letter-spacing: 0.02em;
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  margin-top: 56px;
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 64px;
    margin-top: 80px;
  }
}

/* ---------- 左侧固定目录 ---------- */
.page-faq .faq-index {
  min-width: 0;
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--yh-muted);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-index__list::-webkit-scrollbar {
  height: 4px;
}

.page-faq .faq-index__list::-webkit-scrollbar-thumb {
  background: var(--yh-line);
  border-radius: 4px;
}

.page-faq .faq-index__link {
  display: block;
  padding: 8px 12px;
  border: 1px solid var(--yh-line);
  border-radius: 999px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--yh-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms var(--yh-ease), border-color 180ms var(--yh-ease), background-color 180ms var(--yh-ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--yh-violet-soft);
  border-color: rgba(108, 92, 231, 0.55);
  background: rgba(108, 92, 231, 0.12);
  outline: none;
}

@media (min-width: 1024px) {
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--yh-header-h) + 28px);
    align-self: start;
  }

  .page-faq .faq-index__panel {
    padding: 22px 20px 22px;
    border: 1px solid var(--yh-line);
    border-radius: var(--yh-radius);
    background: var(--yh-surface);
  }

  .page-faq .faq-index__list {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-index__list > li + li {
    margin-top: 2px;
  }

  .page-faq .faq-index__link {
    border: 0;
    border-left: 2px solid var(--yh-line);
    border-radius: 0 8px 8px 0;
    padding: 8px 12px;
    white-space: normal;
    font-size: 14.5px;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--yh-violet);
    background: rgba(108, 92, 231, 0.10);
  }
}

/* ---------- 内容纵列 ---------- */
.page-faq .faq-content {
  display: flex;
  flex-direction: column;
  gap: var(--faq-block-gap);
  min-width: 0;
}

.page-faq .faq-block {
  scroll-margin-top: calc(var(--yh-header-h) + 32px);
  min-width: 0;
}

.page-faq .faq-head {
  max-width: 42em;
}

.page-faq .faq-head .yh-title {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.28;
  letter-spacing: -0.015em;
}

.page-faq .faq-head__note {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--yh-muted);
}

/* ---------- 三种查法 ---------- */
.page-faq .faq-search__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 30px;
}

@media (min-width: 780px) {
  .page-faq .faq-search__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

.page-faq .faq-method {
  position: relative;
  padding: 24px 20px 26px;
  border: 1px solid var(--yh-line);
  border-radius: var(--yh-radius);
  background: linear-gradient(165deg, rgba(108, 92, 231, 0.13) 0%, rgba(20, 26, 54, 0.92) 68%);
  overflow: hidden;
}

.page-faq .faq-method::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--yh-violet), rgba(108, 92, 231, 0));
}

.page-faq .faq-method__key {
  display: inline-block;
  margin: 0 0 12px;
  padding: 3px 9px;
  border: 1px solid var(--yh-line);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--yh-violet-soft);
}

.page-faq .faq-method__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--yh-text);
}

.page-faq .faq-method__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--yh-muted);
}

/* ---------- 图注 ---------- */
.page-faq .faq-figure {
  margin: 32px 0 0;
}

.page-faq .faq-figure--tall {
  margin-top: 26px;
}

.page-faq .faq-caption {
  margin: 12px 0 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--yh-muted);
}

/* ---------- 六个分类 ---------- */
.page-faq .faq-cats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 720px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-cat {
  padding: 20px 18px 22px;
  border: 1px solid var(--yh-line);
  border-radius: var(--yh-radius);
  background: var(--yh-surface);
  transition: border-color 180ms var(--yh-ease), transform 180ms var(--yh-ease);
}

.page-faq .faq-cat:hover {
  border-color: rgba(108, 92, 231, 0.5);
  transform: translateY(-2px);
}

.page-faq .faq-cat:nth-child(1) {
  background: linear-gradient(180deg, rgba(108, 92, 231, 0.18) 0%, rgba(20, 26, 54, 0.9) 100%);
}

.page-faq .faq-cat:nth-child(2) {
  background: linear-gradient(180deg, rgba(108, 92, 231, 0.11) 0%, rgba(20, 26, 54, 0.9) 100%);
}

.page-faq .faq-cat:nth-child(3) {
  background: linear-gradient(180deg, rgba(78, 201, 233, 0.12) 0%, rgba(20, 26, 54, 0.9) 100%);
}

.page-faq .faq-cat:nth-child(4) {
  background: linear-gradient(180deg, rgba(166, 155, 255, 0.13) 0%, rgba(20, 26, 54, 0.9) 100%);
}

.page-faq .faq-cat:nth-child(5) {
  background: linear-gradient(180deg, rgba(240, 162, 75, 0.11) 0%, rgba(20, 26, 54, 0.9) 100%);
}

.page-faq .faq-cat:nth-child(6) {
  background: linear-gradient(180deg, rgba(79, 191, 139, 0.11) 0%, rgba(20, 26, 54, 0.9) 100%);
}

.page-faq .faq-cat__num {
  margin: 0;
  font-size: 13px;
  color: var(--yh-cyan);
}

.page-faq .faq-cat__name {
  margin: 8px 0 8px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--yh-text);
}

.page-faq .faq-cat__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--yh-muted);
}

/* ---------- 旧版本定位 ---------- */
.page-faq .faq-legacy {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: 28px;
}

@media (min-width: 900px) {
  .page-faq .faq-legacy {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
}

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

.page-faq .faq-steps {
  counter-reset: faqstep;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  position: relative;
  counter-increment: faqstep;
  padding: 16px 0 16px 54px;
  border-top: 1px solid var(--yh-line);
}

.page-faq .faq-step:last-child {
  border-bottom: 1px solid var(--yh-line);
}

.page-faq .faq-step::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 17px;
  font-family: var(--yh-font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--yh-violet-soft);
  letter-spacing: 0.06em;
}

.page-faq .faq-step__title {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--yh-text);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--yh-muted);
}

.page-faq .faq-legacy__time {
  margin: 22px 0 0;
  padding: 16px 18px;
  border-left: 2px solid var(--yh-cyan);
  background: rgba(78, 201, 233, 0.07);
  font-size: 15px;
  line-height: 1.72;
  color: var(--yh-muted);
}

.page-faq .faq-legacy__num {
  display: block;
  margin-bottom: 4px;
  font-size: 16px;
  color: var(--yh-cyan);
}

/* ---------- 高频问题 ---------- */
.page-faq .faq-list {
  margin-top: 28px;
}

.page-faq .faq-item {
  border: 1px solid var(--yh-line);
  border-radius: var(--yh-radius);
  background: var(--yh-surface);
  overflow: hidden;
  transition: border-color 180ms var(--yh-ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: 10px;
}

.page-faq .faq-item[open] {
  border-color: rgba(108, 92, 231, 0.55);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--yh-text);
}

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

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

.page-faq .faq-item__q:hover {
  color: var(--yh-violet-soft);
}

.page-faq .faq-item__q:focus-visible {
  outline: 1px solid var(--yh-violet);
  outline-offset: -3px;
}

.page-faq .faq-item__num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-size: 13px;
  color: var(--yh-cyan);
}

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

.page-faq .faq-item__mark {
  position: relative;
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  margin: 6px 0 0 auto;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--yh-violet-soft);
  transition: transform 180ms var(--yh-ease), opacity 180ms var(--yh-ease);
}

.page-faq .faq-item__mark::before {
  top: 7px;
  left: 0;
  width: 15px;
  height: 1.5px;
}

.page-faq .faq-item__mark::after {
  top: 0;
  left: 7px;
  width: 1.5px;
  height: 15px;
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 0 20px 20px 52px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--yh-muted);
}

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

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

.page-faq .faq-item__hint {
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-faq .faq-inline-link,
.page-faq .faq-item__hint a {
  color: var(--yh-violet-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(166, 155, 255, 0.35);
  transition: color 180ms var(--yh-ease), border-color 180ms var(--yh-ease);
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-item__hint a:hover,
.page-faq .faq-inline-link:focus-visible,
.page-faq .faq-item__hint a:focus-visible {
  color: var(--yh-amber);
  border-bottom-color: var(--yh-amber);
  outline: none;
}

/* ---------- 文档复审 ---------- */
.page-faq .faq-review {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--yh-line);
}

.page-faq .faq-review__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--yh-line);
}

@media (min-width: 700px) {
  .page-faq .faq-review__item {
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

.page-faq .faq-review__key {
  margin: 0;
  font-size: 14px;
  color: var(--yh-cyan);
  letter-spacing: 0.06em;
}

.page-faq .faq-review__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--yh-muted);
}

.page-faq .faq-review__link {
  margin: 20px 0 0;
  font-size: 14.5px;
}

/* ---------- 工单转接 ---------- */
.page-faq .faq-ticket__frame {
  position: relative;
  padding: 36px 24px 32px;
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(240, 162, 75, 0.14), transparent 60%),
    linear-gradient(180deg, var(--yh-surface) 0%, rgba(11, 16, 38, 0.92) 100%);
}

@media (min-width: 900px) {
  .page-faq .faq-ticket__frame {
    padding: 52px 48px 46px;
  }
}

.page-faq .faq-ticket__frame .yh-title {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.28;
  letter-spacing: -0.015em;
  max-width: 22em;
}

.page-faq .faq-ticket__lead {
  margin: 18px 0 0;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--yh-muted);
}

.page-faq .faq-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  background: var(--yh-line);
  border: 1px solid var(--yh-line);
  border-radius: var(--yh-radius);
  overflow: hidden;
}

@media (min-width: 760px) {
  .page-faq .faq-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-faq .faq-flow__step {
  padding: 18px 18px 20px;
  background: var(--yh-surface);
}

.page-faq .faq-flow__name {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--yh-amber);
}

.page-faq .faq-flow__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--yh-muted);
}

.page-faq .faq-ticket__action {
  margin: 28px 0 0;
}

.page-faq .faq-ticket__action .yh-btn {
  display: inline-block;
  text-decoration: none;
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cat,
  .page-faq .faq-index__link,
  .page-faq .faq-item,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-inline-link {
    transition: none;
  }

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