.page-faq {
  --faq-gap: 20px;
  --faq-line: var(--hair);
  background-color: var(--paper);
  color: var(--black);
  font-family: var(--font-body);
}

.page-faq .breadcrumbs {
  padding-top: 22px;
  padding-bottom: 6px;
  font-size: 13px;
}

.page-faq .faq-head {
  padding-top: 20px;
  padding-bottom: 44px;
}

.page-faq .faq-head__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 18ch;
}

.page-faq .faq-head__lede {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--black);
}

.page-faq .faq-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin: 30px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--faq-line);
  list-style: none;
}

.page-faq .faq-stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-stats b {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-stats span {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

/* ---- 四组问题入口 ---- */
.page-faq .faq-map {
  position: relative;
  margin-top: 4px;
  padding: 68px 0 64px;
  background-color: var(--ink);
  background-image: linear-gradient(115deg, rgba(122, 92, 255, 0.16), transparent 46%),
    linear-gradient(0deg, rgba(23, 224, 200, 0.08), transparent 60%);
  color: var(--paper);
  clip-path: polygon(0 26px, 100% 0, 100% 100%, 0 100%);
}

.page-faq .faq-map__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4.4vw, 38px);
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--paper);
}

.page-faq .faq-map__head p {
  margin: 12px 0 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-map__figure {
  margin: 30px 0 0;
  border: 1px solid var(--hair-soft);
  background: var(--ink-deep);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-faq .faq-map__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.92;
}

.page-faq .faq-map__figure figcaption {
  padding: 12px 16px 14px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
  border-top: 1px solid var(--hair-soft);
}

.page-faq .faq-map__grid {
  display: grid;
  gap: var(--faq-gap);
  grid-template-columns: 1fr;
  margin-top: 28px;
}

.page-faq .faq-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 18px 18px;
  background: var(--ink-soft);
  border: 1px solid var(--hair-soft);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .faq-card:hover,
.page-faq .faq-card:focus-within {
  transform: translateY(-3px);
  border-color: rgba(23, 224, 200, 0.5);
}

.page-faq .faq-card__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}

.page-faq .faq-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.page-faq .faq-card h3 a {
  color: var(--paper);
  text-decoration: none;
}

.page-faq .faq-card h3 a:hover {
  color: var(--cyan);
}

.page-faq .faq-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--hair-soft);
  padding-top: 12px;
}

.page-faq .faq-card__list a {
  display: block;
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
}

.page-faq .faq-card__list a:hover {
  color: var(--orange);
}

/* ---- 索引 + 问答双栏 ---- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-top: 52px;
  padding-bottom: 64px;
}

.page-faq .faq-index {
  border: 1px solid var(--faq-line);
  border-left: 2px solid var(--orange);
  padding: 18px 18px 20px;
  background: rgba(244, 240, 230, 0.6);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange-deep);
}

.page-faq .faq-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 6px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--hair-soft);
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  background: rgba(23, 224, 200, 0.16);
  color: var(--ink-deep);
}

.page-faq .faq-index__n {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
  min-width: 26px;
}

.page-faq .faq-index__hint {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate);
}

.page-faq .faq-index__hint a {
  color: var(--orange-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---- 问答题组 ---- */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 24px);
  padding-bottom: 44px;
}

.page-faq .faq-group + .faq-group {
  padding-top: 40px;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange-deep);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.6vw, 32px);
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--ink);
}

.page-faq .faq-group__count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink);
  border: 1px solid var(--hair);
  padding: 3px 9px;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}

.page-faq .faq-group__intro {
  margin: 12px 0 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
  max-width: 52ch;
}

.page-faq .faq-figure {
  margin: 0 0 22px;
  border: 1px solid var(--faq-line);
  background: var(--ink-soft);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}

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

.page-faq .faq-figure figcaption {
  padding: 11px 14px 13px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid var(--hair-soft);
}

/* ---- 折叠问答 ---- */
.page-faq .qa {
  border-top: 1px solid var(--faq-line);
  background: transparent;
}

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

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 17px 4px 17px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  transition: color 0.2s var(--ease);
}

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

.page-faq .qa__q:hover {
  color: var(--orange-deep);
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-faq .qa__mark {
  position: relative;
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  transition: transform 0.24s var(--ease);
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--orange);
  transform: translate(-50%, -50%);
}

.page-faq .qa__mark::before {
  width: 12px;
  height: 2px;
}

.page-faq .qa__mark::after {
  width: 2px;
  height: 12px;
  transition: opacity 0.24s var(--ease);
}

.page-faq .qa[open] .qa__mark {
  transform: rotate(90deg);
}

.page-faq .qa[open] .qa__mark::after {
  opacity: 0;
}

.page-faq .qa[open] .qa__q {
  color: var(--ink-deep);
}

.page-faq .qa__a {
  padding: 0 0 20px 30px;
}

.page-faq .qa[open] .qa__a {
  animation: faq-answer-in 0.24s var(--ease);
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.78;
  color: #24303c;
  max-width: 56ch;
}

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

.page-faq .qa__more a {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--orange-deep);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.page-faq .qa__more a:hover {
  color: var(--ink);
}

@keyframes faq-answer-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---- 支持通道 ---- */
.page-faq .faq-support {
  margin-top: 12px;
  padding: 30px 20px 32px;
  background: var(--ink-soft);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), 0 100%);
}

.page-faq .faq-support__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan-soft);
}

.page-faq .faq-support h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.8vw, 32px);
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--paper);
}

.page-faq .faq-support__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 22px;
}

.page-faq .faq-support__block {
  border-top: 2px solid var(--cyan);
  padding-top: 14px;
}

.page-faq .faq-support__k {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-faq .faq-support__v {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 15px;
  word-break: break-word;
  color: var(--paper);
}

.page-faq .faq-support__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-support__list-title {
  margin: 26px 0 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--paper);
}

.page-faq .faq-support__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr;
}

.page-faq .faq-support__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--mist);
}

.page-faq .faq-support__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--orange);
}

/* ---- 后续入口 ---- */
.page-faq .faq-next {
  padding: 44px 0 0;
}

.page-faq .faq-next h2 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 3.4vw, 28px);
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-next__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-faq .faq-next__list a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--cyane, var(--cyan));
  background: rgba(255, 255, 255, 0.35);
  text-decoration: none;
  transition: background-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-faq .faq-next__list a:hover,
.page-faq .faq-next__list a:focus-visible {
  background: rgba(23, 224, 200, 0.14);
  transform: translateY(-2px);
}

.page-faq .faq-next__list span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
}

.page-faq .faq-next__list em {
  font-style: normal;
  font-size: 13px;
  line-height: 1.55;
  color: var(--slate);
}

/* ---- 断点 ---- */
@media (min-width: 640px) {
  .page-faq .faq-map__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-support {
    padding: 36px 28px 36px;
  }

  .page-faq .faq-support__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }

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

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

@media (min-width: 1024px) {
  .page-faq .faq-shell {
    grid-template-columns: 252px minmax(0, 1fr);
    gap: 52px;
    padding-top: 64px;
    padding-bottom: 80px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }

  .page-faq .qa__q {
    font-size: 16px;
    padding: 19px 4px 19px 0;
  }

  .page-faq .qa__a {
    padding-left: 30px;
    padding-bottom: 24px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-map__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-head__lede {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-card,
  .page-faq .qa__mark,
  .page-faq .qa__mark::after,
  .page-faq .faq-next__list a {
    transition-duration: 0.12s;
  }

  .page-faq .qa[open] .qa__a {
    animation: none;
  }

  .page-faq .faq-card:hover,
  .page-faq .faq-card:focus-within,
  .page-faq .faq-next__list a:hover,
  .page-faq .faq-next__list a:focus-visible {
    transform: none;
  }
}
<<<END>>>

.page-faq {
  --cyane: currentColor;
}