.page-faq {
  --faq-pad: clamp(12px, 2vw, 20px);
}

/* ---------- 页面头 ---------- */
.page-faq .breadcrumb {
  padding-top: 14px;
}

.page-faq .faq-hero {
  position: relative;
  padding: clamp(28px, 5vw, 60px) 0 clamp(34px, 6vw, 76px);
  border-bottom: 2px solid var(--c-line);
  background:
    radial-gradient(120% 90% at 86% 0%, rgba(34, 224, 208, .11), transparent 62%),
    linear-gradient(180deg, var(--c-ink), var(--c-void));
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(180deg, rgba(230, 239, 243, .05) 0 1px, transparent 1px 7px);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  grid-template-columns: 1fr;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--f-display);
  font-weight: 300;
  font-size: clamp(3.2rem, 13vw, 7.2rem);
  line-height: .92;
  letter-spacing: .01em;
  color: var(--c-white);
}

.page-faq .faq-hero__lede {
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  color: var(--c-mist);
  max-width: 46ch;
}

.page-faq .faq-hero__aside-label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-mist);
}

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

.page-faq .faq-index li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--c-line);
  color: var(--c-mist);
  font-size: 14px;
  line-height: 1.5;
}

.page-faq .faq-index li:last-child {
  border-bottom: 1px solid var(--c-line);
}

.page-faq .faq-index .mono {
  flex: 0 0 auto;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--c-cyan);
}

/* ---------- 分组标签 ---------- */
.page-faq .faq-body {
  background: var(--c-void);
}

.page-faq .faq-body__title {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-tabs__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--c-line);
  scrollbar-width: thin;
}

.page-faq .faq-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding: 12px 16px;
  background: var(--c-steel);
  border: 2px solid var(--c-line);
  color: var(--c-mist);
  font-family: var(--f-body);
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}

.page-faq .faq-tab:hover {
  border-color: var(--c-wire);
  color: var(--c-white);
}

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

.page-faq .faq-tab[aria-selected="true"] {
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  color: var(--c-void);
  box-shadow: 4px 4px 0 var(--c-cyan-dim);
}

.page-faq .faq-tab__num {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--c-cyan);
}

.page-faq .faq-tab[aria-selected="true"] .faq-tab__num {
  color: var(--c-void);
}

/* ---------- 问答列表 ---------- */
.page-faq .faq-panel {
  padding-top: clamp(22px, 4vw, 40px);
}

.page-faq .faq-list {
  display: grid;
}

.page-faq .faq-item {
  border-top: 1px solid var(--c-line);
  border-left: 2px solid transparent;
  background: linear-gradient(180deg, rgba(18, 26, 33, .5), transparent 80%);
  transition: border-color .18s ease, background .18s ease;
}

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

.page-faq .faq-item[open] {
  border-left-color: var(--c-cyan);
  background: var(--c-ink);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 2vw, 22px);
  padding: clamp(16px, 2.4vw, 24px) var(--faq-pad);
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .faq-item__idx {
  flex: 0 0 auto;
  padding-top: 5px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--c-cyan);
}

.page-faq .faq-item__text {
  flex: 1 1 auto;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(1.05rem, 2.2vw, 1.5rem);
  line-height: 1.35;
  color: var(--c-white);
}

.page-faq .faq-item__q::after {
  content: "";
  flex: 0 0 auto;
  width: 0;
  height: 0;
  margin-top: 11px;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid var(--c-wire);
  transition: transform .2s ease, border-top-color .2s ease;
}

.page-faq .faq-item[open] .faq-item__q::after {
  transform: rotate(180deg);
  border-top-color: var(--c-cyan);
}

.page-faq .faq-item__a {
  padding: 0 var(--faq-pad) clamp(20px, 3vw, 30px);
  margin-left: clamp(0px, 5vw, 66px);
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 62ch;
  color: var(--c-mist);
  font-size: 15px;
  line-height: 1.9;
}

.page-faq .faq-figure {
  margin: clamp(24px, 4vw, 40px) 0 0;
  border: 2px solid var(--c-line);
  background: var(--c-void);
  box-shadow: 8px 8px 0 rgba(5, 7, 9, .9);
}

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

/* ---------- 中部屏幕横带 ---------- */
.page-faq .faq-screens {
  padding: clamp(30px, 5vw, 60px) 0;
  border-top: 2px solid var(--c-line);
  border-bottom: 2px solid var(--c-line);
  background: var(--c-ink);
}

.page-faq .faq-screens__title {
  margin: 0 0 clamp(20px, 3vw, 32px);
  max-width: 22ch;
}

.page-faq .faq-screens__frame {
  position: relative;
  display: block;
  aspect-ratio: 21 / 9;
  margin: 0;
  border: 2px solid var(--c-line);
  background: var(--c-void);
  overflow: hidden;
}

.page-faq .faq-screens__frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(85% 130% at 18% 112%, rgba(34, 224, 208, .18), transparent 62%);
  pointer-events: none;
}

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

.page-faq .media-frame__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  padding: 8px 14px;
  background: var(--c-void);
  border-top: 2px solid var(--c-cyan);
  border-right: 2px solid var(--c-cyan);
  color: var(--c-cyan);
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .16em;
}

.page-faq .faq-screens__note {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  max-width: 72ch;
  color: var(--c-mist);
  font-size: 15px;
  line-height: 1.9;
}

/* ---------- 联系我们 ---------- */
.page-faq .faq-contact {
  padding: clamp(40px, 7vw, 92px) 0;
  background: var(--c-void);
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  grid-template-columns: 1fr;
}

.page-faq .faq-contact__title {
  margin: 12px 0 0;
}

.page-faq .faq-contact__lede {
  margin: 16px 0 24px;
  max-width: 40ch;
  color: var(--c-mist);
  font-size: 15px;
  line-height: 1.9;
}

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

.page-faq .faq-contact__item {
  padding: clamp(16px, 2.4vw, 22px) 0;
  border-top: 1px solid var(--c-line);
}

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

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

.page-faq .faq-contact__value {
  margin: 0 0 8px;
  font-family: var(--f-mono);
  font-size: clamp(14px, 1.8vw, 17px);
  letter-spacing: .02em;
  color: var(--c-white);
  word-break: break-all;
}

.page-faq .faq-contact__desc {
  margin: 0;
  max-width: 56ch;
  color: var(--c-mist);
  font-size: 14px;
  line-height: 1.85;
}

/* ---------- 底部入口 ---------- */
.page-faq .faq-paths {
  border-top: 2px solid var(--c-line);
  background: var(--c-steel);
}

.page-faq .faq-paths__inner {
  display: grid;
  grid-template-columns: 1fr;
}

.page-faq .faq-path {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: clamp(18px, 3vw, 28px) clamp(16px, 3vw, 30px);
  border-bottom: 1px solid var(--c-line);
  color: var(--c-white);
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(1rem, 1.8vw, 1.3rem);
  text-decoration: none;
  transition: background .18s ease, color .18s ease;
}

.page-faq .faq-path:last-child {
  border-bottom: 0;
}

.page-faq .faq-path span {
  color: var(--c-cyan);
  font-size: .9em;
  transition: color .18s ease;
}

.page-faq .faq-path:hover {
  background: var(--c-cyan);
  color: var(--c-void);
}

.page-faq .faq-path:hover span {
  color: var(--c-void);
}

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

/* ---------- 宽屏 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(270px, .65fr);
    align-items: end;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    align-items: start;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-paths__inner {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-path {
    border-bottom: 0;
    border-right: 1px solid var(--c-line);
  }

  .page-faq .faq-path:last-child {
    border-right: 0;
  }
}

/* ---------- 动效退化 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tab,
  .page-faq .faq-item,
  .page-faq .faq-item__q::after,
  .page-faq .faq-path,
  .page-faq .faq-path span {
    transition: none;
  }
}
<<<END>>>