.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(1.4rem, 3.4vw, 2.4rem) clamp(2rem, 4.6vw, 3.2rem);
  border-bottom: 1px solid var(--edge-blue);
  background:
    radial-gradient(115% 130% at 92% -10%, rgba(59, 227, 194, .16), transparent 56%),
    radial-gradient(85% 95% at -5% 112%, rgba(255, 138, 42, .14), transparent 62%),
    var(--space-void);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: auto -14% -46% 34%;
  height: 62%;
  z-index: -1;
  pointer-events: none;
  transform: skewY(-6deg);
  background: linear-gradient(100deg, transparent, rgba(59, 227, 194, .10), transparent);
}

.page-faq .faq-hero .breadcrumbs {
  position: relative;
  z-index: 1;
  margin-bottom: 1.1rem;
  font-size: .8rem;
  color: var(--silver);
}

.page-faq .faq-hero .breadcrumbs a {
  color: var(--silver);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumbs a:hover {
  color: var(--pulse);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(1.3rem, 3vw, 2.4rem);
  align-items: end;
}

.page-faq .faq-hero h1 {
  margin: .45rem 0 .9rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.9rem, 5.2vw, 3.2rem);
  line-height: 1.14;
  letter-spacing: .03em;
  color: var(--mist);
}

.page-faq .faq-hero .lede {
  max-width: 54ch;
  color: var(--silver);
}

.page-faq .faq-hero__aside {
  padding: 1.1rem 1.15rem 1.25rem;
  border: 1px solid var(--edge-blue);
  border-radius: var(--radius-m);
  background: rgba(7, 26, 51, .78);
}

.page-faq .faq-hero__aside-title {
  margin: 0 0 .7rem;
  font-family: var(--font-data);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--pulse);
}

.page-faq .faq-hero__links {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: .35rem;
}

.page-faq .faq-hero__links a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: .6rem;
  padding: .4rem .5rem;
  border: 1px solid transparent;
  border-radius: var(--radius-s);
  font-size: .9rem;
  color: var(--mist);
  text-decoration: none;
  transition: border-color .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
}

.page-faq .faq-hero__links a:hover,
.page-faq .faq-hero__links a:focus-visible {
  border-color: var(--panel-blue);
  background: rgba(18, 58, 99, .55);
  color: var(--gold-bright);
}

.page-faq .faq-index {
  list-style: none;
  margin: clamp(1.3rem, 3vw, 2rem) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-faq .faq-index li {
  min-width: 0;
}

.page-faq .faq-index a {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  text-decoration: none;
}

.page-faq .faq-index .num,
.page-faq .faq-side__link .num {
  font-family: var(--font-data);
  font-size: .72rem;
  color: var(--gold-bright);
}

/* 分类总览 */
.page-faq .faq-map {
  padding-block: clamp(2.1rem, 5vw, 3.4rem);
}

.page-faq .faq-map .section-title {
  max-width: 22ch;
}

.page-faq .faq-map__grid {
  display: grid;
  gap: clamp(1.2rem, 3vw, 2rem);
  margin-top: clamp(1.3rem, 3vw, 2rem);
}

.page-faq .faq-map__shot {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--edge-blue);
  border-radius: var(--radius-l);
  background: var(--sky-map);
}

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

.page-faq .faq-map__cap {
  padding: .6rem .85rem .7rem;
  font-size: .78rem;
  line-height: 1.6;
  color: var(--silver);
  border-top: 1px solid rgba(39, 74, 115, .7);
}

.page-faq .faq-cats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .65rem;
  min-width: 0;
}

.page-faq .faq-cat {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: .85rem;
  padding: .95rem 1rem;
  border: 1px solid var(--edge-blue);
  border-radius: var(--radius-m);
  background: linear-gradient(160deg, rgba(13, 45, 82, .88), rgba(7, 26, 51, .88));
  color: var(--mist);
  text-decoration: none;
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  transform: translateY(-2px);
  border-color: var(--pulse);
  box-shadow: var(--glow-pulse);
}

.page-faq .faq-cat__no {
  font-family: var(--font-data);
  font-size: .78rem;
  color: var(--pulse);
}

.page-faq .faq-cat__name {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: .95rem;
  line-height: 1.45;
}

.page-faq .faq-cat__count {
  font-family: var(--font-data);
  font-size: .76rem;
  color: var(--silver);
  white-space: nowrap;
}

/* 问答主体 */
.page-faq .faq-body {
  padding-block: clamp(2.1rem, 5vw, 3.6rem);
  border-top: 1px solid var(--edge-blue);
  background: linear-gradient(180deg, rgba(7, 26, 51, .55), transparent 32%);
}

.page-faq .faq-body__grid {
  display: grid;
  gap: clamp(1.4rem, 3vw, 2.6rem);
  min-width: 0;
}

.page-faq .faq-side {
  min-width: 0;
  padding: 1rem 1.05rem 1.1rem;
  border: 1px solid var(--edge-blue);
  border-radius: var(--radius-m);
  background: rgba(4, 12, 24, .6);
}

.page-faq .faq-side__title {
  margin: 0 0 .7rem;
  font-family: var(--font-data);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--pulse);
}

.page-faq .faq-side__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .3rem;
}

.page-faq .faq-side__link {
  display: flex;
  align-items: baseline;
  gap: .55rem;
  padding: .5rem .65rem;
  border-left: 2px solid var(--edge-blue);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  font-size: .88rem;
  line-height: 1.5;
  color: var(--silver);
  text-decoration: none;
  transition: border-color .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
}

.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible {
  border-left-color: var(--gold);
  background: rgba(18, 58, 99, .5);
  color: var(--mist);
}

.page-faq .faq-side__note {
  margin: .9rem 0 0;
  font-size: .8rem;
  line-height: 1.7;
  color: var(--silver);
}

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

.page-faq .qa-group {
  margin-bottom: clamp(1.8rem, 4vw, 2.8rem);
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

.page-faq .qa-group__head {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  padding-bottom: .55rem;
  margin-bottom: .9rem;
  border-bottom: 1px solid var(--panel-blue);
}

.page-faq .qa-group__no {
  font-family: var(--font-data);
  font-size: .82rem;
  color: var(--gold);
}

.page-faq .qa-group h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.2rem, 2.6vw, 1.6rem);
  letter-spacing: .03em;
  color: var(--mist);
}

.page-faq .qa-group__count {
  margin-left: auto;
  font-family: var(--font-data);
  font-size: .74rem;
  color: var(--silver);
  white-space: nowrap;
}

.page-faq .qa {
  border-bottom: 1px solid rgba(39, 74, 115, .72);
}

.page-faq .qa summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: .95rem 2.4rem .95rem .15rem;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: .97rem;
  line-height: 1.55;
  color: var(--mist);
  transition: color .22s var(--ease);
}

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

.page-faq .qa summary::after {
  content: "+";
  position: absolute;
  right: .45rem;
  top: .85rem;
  font-family: var(--font-data);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--gold);
  transition: color .22s var(--ease);
}

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

.page-faq .qa summary:hover,
.page-faq .qa summary:focus-visible,
.page-faq .qa[open] summary {
  color: var(--gold-bright);
}

.page-faq .qa__body {
  padding: .1rem .4rem 1.1rem .15rem;
  font-size: .93rem;
  line-height: 1.78;
  color: var(--silver);
}

.page-faq .qa__body p {
  margin: 0 0 .7rem;
}

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

.page-faq .qa__body a {
  color: var(--pulse);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.page-faq .qa__steps {
  list-style: none;
  counter-reset: step;
  margin: .2rem 0 .8rem;
  padding: 0;
  display: grid;
  gap: .45rem;
}

.page-faq .qa__steps li {
  counter-increment: step;
  position: relative;
  padding-left: 2.3rem;
}

.page-faq .qa__steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .28rem;
  font-family: var(--font-data);
  font-size: .74rem;
  color: var(--pulse);
}

/* 导出章节 */
.page-faq .qa-group--tint {
  padding: clamp(1rem, 2.6vw, 1.6rem);
  border: 1px solid var(--edge-blue);
  border-radius: var(--radius-l);
  background: linear-gradient(150deg, rgba(13, 45, 82, .78), rgba(4, 12, 24, .82) 72%);
}

.page-faq .qa-figure {
  margin: 0 0 1rem;
  overflow: hidden;
  border: 1px solid var(--edge-blue);
  border-radius: var(--radius-m);
  background: var(--sky-map);
}

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

.page-faq .qa-figure figcaption {
  padding: .5rem .75rem .6rem;
  font-size: .78rem;
  line-height: 1.6;
  color: var(--silver);
  border-top: 1px solid rgba(39, 74, 115, .7);
}

/* 人工帮助 */
.page-faq .faq-help {
  scroll-margin-top: calc(var(--header-h) + 1rem);
  padding: clamp(1.2rem, 3vw, 2rem);
  border: 1px solid rgba(255, 138, 42, .45);
  border-radius: var(--radius-l);
  background:
    radial-gradient(120% 150% at 100% 0%, rgba(255, 138, 42, .18), transparent 62%),
    var(--sky-map);
}

.page-faq .faq-help .section-title {
  margin-top: .5rem;
  max-width: 24ch;
}

.page-faq .faq-help__lede {
  max-width: 56ch;
  margin: .7rem 0 clamp(1.1rem, 2.6vw, 1.6rem);
  font-size: .93rem;
  line-height: 1.78;
  color: var(--silver);
}

.page-faq .contact-grid {
  display: grid;
  gap: 1.1rem;
  min-width: 0;
}

.page-faq .contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .35rem .7rem;
  margin: 0;
  padding: .6rem 0;
  border-bottom: 1px dashed rgba(39, 74, 115, .85);
}

.page-faq .contact-row__label {
  min-width: 4.6rem;
  font-family: var(--font-data);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--silver);
}

.page-faq .contact-row__value {
  font-weight: 600;
  font-size: .93rem;
  color: var(--mist);
  word-break: break-word;
}

.page-faq .copy-btn {
  padding: .28rem .6rem;
  font-size: .76rem;
  white-space: nowrap;
}

.page-faq .mail-template {
  padding: .95rem 1rem 1.05rem;
  border: 1px dashed rgba(59, 227, 194, .5);
  border-radius: var(--radius-m);
  background: rgba(4, 12, 24, .6);
}

.page-faq .mail-template__title {
  margin: 0;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: .9rem;
  color: var(--mist);
}

.page-faq .mail-template__code {
  display: block;
  margin: .45rem 0 .7rem;
  font-family: var(--font-data);
  font-size: .86rem;
  color: var(--pulse);
  word-break: break-all;
}

.page-faq .mail-template__hint {
  margin: 0 0 .8rem;
  font-size: .84rem;
  line-height: 1.72;
  color: var(--silver);
}

.page-faq .faq-help__note {
  margin: clamp(1rem, 2.4vw, 1.4rem) 0 0;
  padding-top: .9rem;
  border-top: 1px solid rgba(39, 74, 115, .8);
  font-size: .82rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-faq .faq-help__note a {
  color: var(--pulse);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 响应式 */
@media (min-width: 760px) {
  .page-faq .contact-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-map__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body__grid {
    grid-template-columns: 240px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }

  .page-faq .faq-side__list {
    flex-direction: column;
    flex-wrap: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cat,
  .page-faq .faq-hero__links a,
  .page-faq .faq-side__link,
  .page-faq .qa summary,
  .page-faq .qa summary::after {
    transition: none;
  }

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