.page-faq {
  --faq-line: var(--grid-line);
  --faq-sticky: 116px;
  background: var(--cream);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 26px 0 0;
  background-color: var(--cream);
  background-image:
    linear-gradient(var(--grid-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-faint) 1px, transparent 1px);
  background-size: 100% 64px, 64px 100%;
  background-position: 0 0, 0 0;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 30px;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 14px;
  color: var(--ink-soft);
}

.page-faq .faq-hero__title {
  margin: 0 0 20px;
  font-size: clamp(34px, 6.2vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  font-weight: 600;
  color: var(--indigo);
  max-width: 15ch;
}

.page-faq .faq-hero__intro {
  margin: 0 0 26px;
  max-width: 46em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink);
}

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

.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid var(--faq-line);
  background: var(--paper);
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.03);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 40px;
  border: 1px solid var(--faq-line);
  background: var(--faq-line);
}

.page-faq .faq-hero__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 18px;
  background: var(--paper);
}

.page-faq .faq-hero__stats .stat__num {
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--indigo);
}

.page-faq .faq-hero__stats .stat__num em {
  font-style: normal;
  font-size: 14px;
  margin-left: 2px;
  color: var(--ink-soft);
}

.page-faq .faq-hero__stats .stat__label {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: 40px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
    gap: 52px;
  }

  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 56px;
  }
}

/* ---------- 章节标题组 ---------- */
.page-faq .faq-sec-head {
  border-top: 2px solid var(--indigo);
  padding-top: 18px;
  max-width: 62em;
}

.page-faq .faq-sec-head .meta {
  margin: 0 0 10px;
  color: var(--amber);
}

.page-faq .faq-sec-head .section-title {
  margin: 0 0 12px;
  color: var(--indigo);
}

.page-faq .faq-sec-head__note {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 分类矩阵 ---------- */
.page-faq .faq-cats__grid {
  margin-top: 36px;
}

.page-faq .faq-cat {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 20px;
  background: var(--paper);
  border: 1px solid var(--faq-line);
  border-radius: 2px;
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-faq .faq-cat:hover {
  border-color: var(--amber);
  transform: translateY(-2px);
}

.page-faq .faq-cat__count {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--celadon);
}

.page-faq .faq-cat .card__title {
  margin: 0;
  font-size: 19px;
  color: var(--indigo);
}

.page-faq .faq-cat .card__text {
  margin: 0;
  flex: 1;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .faq-cat__link {
  align-self: flex-start;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-line);
  padding-bottom: 2px;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .faq-cat__link:hover,
.page-faq .faq-cat__link:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

/* ---------- 问答列表 ---------- */
.page-faq .faq-list .split {
  align-items: start;
}

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

.page-faq .faq-group {
  margin-top: 8px;
}

.page-faq .faq-group__title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 40px 0 6px;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--indigo);
}

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

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

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: start;
  padding: 18px 6px 18px 16px;
  border-left: 3px solid transparent;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--indigo);
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.2;
  color: var(--amber);
}

.page-faq .faq-item__q:hover {
  background: var(--paper);
}

.page-faq .faq-item[open] > .faq-item__q {
  border-left-color: var(--amber);
  background: var(--paper);
}

.page-faq .faq-item[open] > .faq-item__q::after {
  content: "\2013";
}

.page-faq .faq-item__a {
  padding: 4px 6px 22px 19px;
  border-left: 3px solid var(--amber);
  background: var(--paper);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink);
}

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

.page-faq .faq-item__path {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--celadon);
}

/* ---------- 右侧索引栏 ---------- */
.page-faq .faq-list__aside {
  margin-top: 44px;
  padding: 22px 20px 24px;
  border: 1px solid var(--faq-line);
  border-top: 3px solid var(--celadon);
  background: var(--paper);
  border-radius: 2px;
}

.page-faq .faq-aside__head {
  margin: 0 0 14px;
  color: var(--ink-soft);
}

.page-faq .faq-index {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-faq .faq-index li + li {
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-index a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: baseline;
  padding: 11px 2px;
  text-decoration: none;
  color: var(--ink);
  font-size: 15px;
  transition: color 180ms var(--ease);
}

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

.page-faq .faq-index__num,
.page-faq .faq-index__count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.page-faq .faq-aside__tip {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .faq-aside__btn {
  width: 100%;
  justify-content: center;
}

@media (min-width: 1024px) {
  .page-faq .faq-list__aside {
    position: sticky;
    top: var(--faq-sticky);
    margin-top: 0;
  }
}

/* ---------- 自助排查 ---------- */
.page-faq .faq-check {
  background: var(--cream);
}

.page-faq .faq-check__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 32px 0 0;
  padding: 0 0 0 22px;
  border-left: 1px solid var(--faq-line);
}

.page-faq .faq-step {
  position: relative;
  padding: 0 0 28px;
}

.page-faq .faq-step:last-child {
  padding-bottom: 0;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 7px;
  width: 9px;
  height: 9px;
  background: var(--amber);
}

.page-faq .faq-step__num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}

.page-faq .faq-step__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--indigo);
}

.page-faq .faq-step p {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-faq .faq-check__figure {
  margin: 0;
  border: 1px solid var(--faq-line);
  background: var(--paper);
}

.page-faq .faq-check__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.03);
}

@media (min-width: 960px) {
  .page-faq .faq-check__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.74fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-check__figure {
    position: sticky;
    top: var(--faq-sticky);
  }
}

/* ---------- 收束提示条 ---------- */
.page-faq .faq-next {
  padding: 8px 0 48px;
}

.page-faq .faq-next__band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding: 30px 24px;
  background: var(--indigo);
  border: 1px solid var(--indigo-deep);
  border-radius: 2px;
}

.page-faq .faq-next__meta {
  margin: 0 0 10px;
  color: var(--amber-soft);
}

.page-faq .faq-next__title {
  margin: 0 0 12px;
  color: var(--cream);
}

.page-faq .faq-next__lead {
  margin: 0 0 18px;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--cream);
}

.page-faq .faq-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-next__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--line-cream-strong);
}

.page-faq .faq-next__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 6px;
  background: var(--celadon-soft);
}

.page-faq .faq-next__list a {
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cream-strong);
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-faq .faq-next__list a:hover,
.page-faq .faq-next__list a:focus-visible {
  color: var(--amber-soft);
  border-color: var(--amber-soft);
}

.page-faq .faq-next__btn {
  align-self: start;
  justify-self: start;
}

@media (min-width: 860px) {
  .page-faq .faq-next {
    padding: 8px 0 64px;
  }

  .page-faq .faq-next__band {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 44px;
    padding: 42px 44px;
  }
}

/* ---------- 问题库说明 ---------- */
.page-faq .faq-archive {
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-faint) 1px, transparent 1px);
  background-size: 100% 64px, 64px 100%;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-archive__grid {
  margin-top: 36px;
}

.page-faq .faq-archive__item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 22px;
  background: var(--cream);
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--indigo-mid);
  border-radius: 2px;
  transition: border-left-color 180ms var(--ease);
}

.page-faq .faq-archive__item:hover {
  border-left-color: var(--amber);
}

.page-faq .faq-archive__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--celadon);
}

.page-faq .faq-archive__item .card__title {
  margin: 0;
  font-size: 18px;
  color: var(--indigo);
}

.page-faq .faq-archive__item .card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-faq .faq-archive__foot {
  margin: 36px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--faq-line);
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-faq .faq-archive__foot a {
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 1px solid var(--amber);
  transition: color 180ms var(--ease);
}

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

@media (min-width: 640px) {
  .page-faq .faq-archive__foot {
    margin-top: 44px;
  }
}
<<<END>>>