.page-faq {
  --faq-body: rgba(28, 23, 18, .82);
  --faq-sticky: 28px;
  padding-bottom: 76px;
}

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  gap: 22px;
  padding: 22px 0 28px;
  border-bottom: 1px solid var(--line);
}

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

.page-faq .faq-kicker {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-faq .faq-hero .h-display {
  margin: 0 0 14px;
}

.page-faq .faq-hero .lede {
  max-width: 46ch;
  margin: 0;
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--mist);
}

.page-faq .faq-hero__facts .mono {
  display: inline-block;
  margin-right: 4px;
  font-size: 19px;
  font-weight: 700;
  color: var(--brown);
  letter-spacing: .02em;
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--deep);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
}

/* 主体两栏 */
.page-faq .faq-body {
  display: grid;
  gap: 30px;
  padding-top: 30px;
}

/* 左侧索引 */
.page-faq .faq-index {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--sand);
  padding: 16px 16px 14px;
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mist);
}

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

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--brown);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  background: var(--cream);
  border-left-color: var(--orange);
  color: var(--navy);
}

.page-faq .faq-index__list .mono {
  flex: none;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--teal);
}

.page-faq .faq-index__note {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-mid);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-index__note a,
.page-faq .qa__body a {
  color: var(--navy);
  text-decoration: underline;
  text-decoration-color: var(--teal);
  text-underline-offset: 3px;
  transition: color var(--t-fast) var(--ease), text-decoration-color var(--t-fast) var(--ease);
}

.page-faq .faq-index__note a:hover,
.page-faq .qa__body a:hover {
  color: var(--orange);
  text-decoration-color: var(--orange);
}

/* 分组 */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-faq .faq-group + .faq-group {
  margin-top: 44px;
}

.page-faq .faq-group__head {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-mid);
  margin-bottom: 6px;
}

.page-faq .faq-group__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 46px;
  height: 2px;
  background: var(--orange);
}

.page-faq .faq-group__no {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--teal);
}

.page-faq .faq-group__head .h-section {
  margin: 0;
}

/* 问答条目 */
.page-faq .qa {
  border-bottom: 1px solid var(--line);
  transition: background var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease);
}

.page-faq .qa:hover {
  background: rgba(20, 179, 166, .05);
}

.page-faq .qa[open] {
  background: var(--sand);
  box-shadow: inset 3px 0 0 var(--teal);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 14px 15px 16px;
  cursor: pointer;
  list-style: none;
  color: var(--brown);
  transition: color var(--t-fast) var(--ease);
}

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

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

.page-faq .qa__q::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--teal);
  transition: color var(--t-fast) var(--ease), transform var(--t-base) var(--ease);
}

.page-faq .qa[open] .qa__q::after {
  content: "−";
  color: var(--orange);
}

.page-faq .qa__no {
  flex: none;
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-faq .qa__label {
  flex: 1 1 auto;
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  font-family: var(--font-body);
}

.page-faq .qa__body {
  padding: 0 18px 18px 40px;
}

.page-faq .qa__body p {
  margin: 0 0 10px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--faq-body);
}

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

.page-faq .qa[open] .qa__body {
  animation: faqFade var(--t-base) var(--ease) both;
}

@keyframes faqFade {
  from {
    opacity: 0;
    transform: translateY(-3px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* 三档图例 */
.page-faq .qa__legend {
  display: grid;
  gap: 7px;
  margin: 12px 0;
  padding: 0;
  list-style: none;
  font-size: 14.5px;
  color: var(--faq-body);
}

.page-faq .qa__legend li {
  display: flex;
  align-items: center;
  gap: 9px;
}

.page-faq .qa__dot {
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

.page-faq .qa__dot--up {
  background: var(--gold);
}

.page-faq .qa__dot--play {
  background: var(--teal);
}

.page-faq .qa__dot--down {
  background: var(--coral);
}

/* 资料分组的配图列 */
.page-faq .faq-group__grid {
  display: grid;
  gap: 20px;
  margin-top: 4px;
}

.page-faq .faq-aside {
  margin: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--sand);
}

.page-faq .faq-aside img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--deep);
}

.page-faq .faq-aside figcaption {
  margin: 10px 0 0;
}

/* 渠道面板 */
.page-faq .faq-channel {
  margin-top: 4px;
  border: 1px solid rgba(11, 34, 57, .55);
  border-radius: var(--radius);
  background: var(--deep);
  color: var(--cream);
  overflow: hidden;
}

.page-faq .faq-channel__lead {
  margin: 0;
  padding: 20px 20px 16px;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(246, 240, 230, .86);
}

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

.page-faq .faq-channel__item {
  padding: 16px 20px;
  border-top: 1px solid var(--line-dark);
}

.page-faq .faq-channel__kind {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-faq .faq-channel__value {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--cream);
  word-break: break-word;
}

.page-faq .faq-channel__value.mono {
  letter-spacing: .02em;
}

.page-faq .faq-channel__use {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(246, 240, 230, .72);
}

.page-faq .faq-channel__foot {
  margin: 0;
  padding: 14px 20px 18px;
  border-top: 1px solid var(--line-dark);
  font-size: 13px;
  color: var(--mist);
}

.page-faq .faq-channel__foot a {
  color: var(--orange);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--t-fast) var(--ease);
}

.page-faq .faq-channel__foot a:hover {
  color: var(--gold);
}

/* 桌面端 */
@media (min-width: 960px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
    gap: 44px;
    padding: 34px 0 38px;
  }

  .page-faq .faq-hero__figure img {
    aspect-ratio: 16 / 7;
  }

  .page-faq .faq-body {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: 52px;
    padding-top: 36px;
  }

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

  .page-faq .faq-group__grid {
    grid-template-columns: minmax(0, 1fr) 232px;
    gap: 28px;
  }

  .page-faq .faq-channel {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-channel__lead {
    padding: 24px 26px 18px;
  }

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

  .page-faq .faq-channel__item {
    padding: 20px 22px;
    border-top: 1px solid var(--line-dark);
    border-right: 1px solid var(--line-dark);
  }

  .page-faq .faq-channel__item:first-child {
    border-left: 1px solid var(--line-dark);
  }

  .page-faq .faq-channel__item:last-child {
    border-right: 1px solid var(--line-dark);
  }

  .page-faq .faq-channel__foot {
    padding: 16px 26px 20px;
  }
}

@media (min-width: 1200px) {
  .page-faq .qa__label {
    font-size: 17px;
  }

  .page-faq .qa__body {
    padding: 0 22px 20px 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__q,
  .page-faq .qa__q::after,
  .page-faq .faq-index__list a,
  .page-faq .faq-index__note a,
  .page-faq .qa__body a,
  .page-faq .faq-channel__foot a {
    transition: none;
  }

  .page-faq .qa[open] .qa__body {
    animation: none;
  }
}
<<<END>>>