.page-faq {
  --faq-ring: rgba(143, 245, 236, .24);
  --faq-rail: rgba(183, 211, 232, .55);
  background: var(--c-frost);
  color: var(--c-text);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  color: var(--c-ice);
  padding: clamp(1.5rem, 4vw, 2.75rem) 0 clamp(2.25rem, 5.5vw, 4rem);
  background:
    radial-gradient(115% 80% at 84% 0%, rgba(49, 224, 208, .18), transparent 60%),
    radial-gradient(95% 75% at 4% 100%, rgba(21, 74, 120, .88), transparent 66%),
    var(--c-deep);
}

.page-faq .faq-hero .breadcrumb,
.page-faq .faq-hero .breadcrumb a {
  color: rgba(232, 241, 248, .72);
}

.page-faq .faq-hero .breadcrumb a:hover {
  color: var(--c-neon);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 1.75rem;
  margin-top: 1.5rem;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 .85rem;
  font-size: .8125rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-neon);
}

.page-faq .faq-hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(1.85rem, 5.6vw, 3.15rem);
  line-height: 1.22;
  letter-spacing: -.01em;
}

.page-faq .faq-hero__text {
  margin: 0;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(232, 241, 248, .84);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.5rem;
}

.page-faq .faq-hero__board {
  border: 1px solid var(--faq-ring);
  border-radius: var(--radius-l);
  padding: 1.25rem 1.2rem 1.1rem;
  background: linear-gradient(158deg, rgba(247, 251, 255, .12), rgba(6, 26, 47, .48));
}

.page-faq .faq-board__title {
  margin: 0 0 .9rem;
  font-size: .75rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(143, 245, 236, .85);
}

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

.page-faq .faq-board__link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: .68rem 0;
  border-bottom: 1px dashed rgba(183, 211, 232, .26);
  color: var(--c-ice);
  text-decoration: none;
  transition: color .25s var(--ease);
}

.page-faq .faq-board__list li:last-child .faq-board__link {
  border-bottom: 0;
}

.page-faq .faq-board__link:hover {
  color: var(--c-neon);
}

.page-faq .faq-board__key {
  font-size: .875rem;
  line-height: 1.5;
}

.page-faq .faq-board__val {
  flex: none;
  font-size: .8125rem;
  color: var(--c-neon-soft);
}

.page-faq .faq-board__note {
  margin: .9rem 0 0;
  padding-top: .85rem;
  border-top: 1px solid rgba(183, 211, 232, .22);
  font-size: .75rem;
  line-height: 1.7;
  color: rgba(232, 241, 248, .62);
}

/* ---------- 通用正文与区块开头 ---------- */
.page-faq .faq-lead {
  margin: 0 0 1.75rem;
  max-width: 68ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--c-text);
}

.page-faq .faq-lead--deep {
  color: rgba(232, 241, 248, .84);
}

.page-faq .faq-lead--deep a {
  color: var(--c-neon);
}

/* ---------- 排查总览 ---------- */
.page-faq .faq-overview__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .8rem;
  margin: 0 0 1.9rem;
  padding: 0;
  list-style: none;
}

.page-faq .faq-overview__stats .stat {
  padding: .85rem 1rem;
  border-left: 2px solid var(--c-neon);
  background: linear-gradient(120deg, rgba(49, 224, 208, .09), rgba(232, 241, 248, .25) 78%);
}

.page-faq .faq-index {
  display: grid;
  gap: .7rem;
}

.page-faq .faq-index__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "num title"
    "num meta";
  gap: .15rem .9rem;
  padding: .95rem 1.05rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-m);
  background: var(--c-frost);
  color: var(--c-text);
  text-decoration: none;
  transition: border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}

.page-faq .faq-index__item:hover {
  border-color: var(--c-neon);
  transform: translateY(-2px);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-index__num {
  grid-area: num;
  align-self: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--c-route);
}

.page-faq .faq-index__title {
  grid-area: title;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
}

.page-faq .faq-index__meta {
  grid-area: meta;
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--c-muted);
}

/* ---------- 步骤卡片流 ---------- */
.page-faq .faq-figure {
  margin: 0 0 1.9rem;
  border: 1px solid var(--faq-ring);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: linear-gradient(145deg, rgba(21, 74, 120, .55), rgba(6, 26, 47, .92));
}

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

.page-faq .faq-figure figcaption {
  padding: .8rem 1.05rem;
  font-size: .8125rem;
  line-height: 1.7;
  color: rgba(232, 241, 248, .68);
}

.page-faq .faq-flow {
  display: grid;
  gap: 1rem;
}

.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: 1rem;
  padding: 1.3rem 1.6rem 1.3rem 1.1rem;
  border: 1px solid var(--faq-ring);
  border-radius: var(--radius-l);
  background: linear-gradient(152deg, rgba(247, 251, 255, .11), rgba(6, 26, 47, .34));
  color: var(--c-ice);
}

.page-faq .faq-step::after {
  content: "";
  position: absolute;
  top: 1.35rem;
  right: .6rem;
  bottom: 1.35rem;
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--c-neon), rgba(49, 224, 208, .06));
}

.page-faq .faq-step--warm::after {
  background: linear-gradient(180deg, var(--c-warm), rgba(255, 159, 69, .06));
}

.page-faq .faq-step__num {
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-neon);
}

.page-faq .faq-step--warm .faq-step__num {
  color: var(--c-warm);
}

.page-faq .faq-step__title {
  margin: 0 0 .55rem;
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-ice);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.85;
  color: rgba(232, 241, 248, .82);
}

.page-faq .faq-step__foot {
  margin: .85rem 0 0;
  font-size: .8125rem;
  line-height: 1.7;
  color: rgba(143, 245, 236, .88);
}

.page-faq .faq-step__foot a {
  color: var(--c-neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-step .accordion__trigger {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-top: .8rem;
  padding: .25rem 0;
  border: 0;
  border-bottom: 1px dashed rgba(143, 245, 236, .42);
  background: none;
  font-family: inherit;
  font-size: .8125rem;
  color: var(--c-neon-soft);
  cursor: pointer;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-faq .faq-step .accordion__trigger:hover {
  color: var(--c-neon);
  border-color: var(--c-neon);
}

.page-faq .faq-step .accordion__icon {
  font-size: .95rem;
  line-height: 1;
}

.page-faq .faq-step .accordion__panel {
  margin-top: .7rem;
  font-size: .875rem;
  line-height: 1.8;
  color: rgba(232, 241, 248, .74);
}

/* ---------- 苹果端 ---------- */
.page-faq .faq-apple__grid {
  display: grid;
  gap: 1.75rem;
}

.page-faq .faq-list {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .9rem;
}

.page-faq .faq-list__item {
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr);
  gap: .85rem;
  padding-bottom: .9rem;
  border-bottom: 1px solid var(--c-line);
}

.page-faq .faq-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-list__mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 50%;
  border: 1px solid var(--c-neon);
  font-size: .8125rem;
  font-weight: 700;
  color: var(--c-route);
  background: rgba(49, 224, 208, .1);
}

.page-faq .faq-list__title {
  margin: 0 0 .25rem;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--c-text);
}

.page-faq .faq-list__item p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-faq .faq-inline-link {
  margin: 1.5rem 0 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-faq .faq-inline-link a {
  color: var(--c-route);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-inline-link a:hover {
  color: var(--c-neon);
}

.page-faq .faq-figure--square {
  margin: 0;
  background: linear-gradient(145deg, rgba(232, 241, 248, .9), rgba(183, 211, 232, .55));
}

.page-faq .faq-figure--square figcaption {
  color: var(--c-muted);
}

/* ---------- 桌面端入口规格 ---------- */
.page-faq .faq-spec {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-spec__row {
  display: grid;
  gap: .2rem;
  padding: .95rem 0;
  border-bottom: 1px solid var(--c-line);
}

.page-faq .faq-spec dt {
  font-size: .8125rem;
  letter-spacing: .05em;
  color: var(--c-muted);
}

.page-faq .faq-spec dd {
  margin: 0;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--c-text);
}

/* ---------- 订阅更新 ---------- */
.page-faq .faq-subscribe__grid {
  display: grid;
  gap: 1.5rem;
}

.page-faq .faq-subscribe__card {
  padding: 1.5rem 1.3rem;
  border: 1px solid var(--c-line);
  border-top: 2px solid var(--c-warm);
  border-radius: var(--radius-l);
  background: var(--c-frost);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-subscribe__tag {
  margin: 0 0 .9rem;
}

.page-faq .faq-subscribe__text {
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--c-text);
}

.page-faq .faq-subscribe__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.3rem;
}

.page-faq .faq-subscribe__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-subscribe__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--c-line);
}

.page-faq .faq-subscribe__key {
  font-size: .875rem;
  color: var(--c-muted);
}

.page-faq .faq-subscribe__val {
  font-size: .9375rem;
  color: var(--c-route);
}

/* ---------- 联络 ---------- */
.page-faq .faq-contact__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .85rem;
}

.page-faq .faq-contact__list .contact-list__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .4rem;
  align-items: center;
  padding: 1rem 1.15rem;
  border: 1px solid var(--faq-ring);
  border-radius: var(--radius-m);
  background: linear-gradient(150deg, rgba(247, 251, 255, .1), rgba(6, 26, 47, .34));
}

.page-faq .faq-contact__list .contact-list__label {
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(143, 245, 236, .8);
}

.page-faq .faq-contact__list .contact-list__value {
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--c-ice);
}

.page-faq .faq-copy {
  justify-self: start;
  margin-top: .35rem;
}

.page-faq .faq-contact__more {
  margin: 1.5rem 0 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: rgba(232, 241, 248, .8);
}

.page-faq .faq-contact__more a {
  color: var(--c-neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 48rem) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
    gap: 2.5rem;
  }

  .page-faq .faq-overview__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-faq .faq-spec__row {
    grid-template-columns: 9rem minmax(0, 1fr);
    gap: 1.5rem;
    align-items: baseline;
  }

  .page-faq .faq-subscribe__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }

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

@media (min-width: 62rem) {
  .page-faq .faq-hero__grid {
    margin-top: 2.25rem;
    gap: 3.25rem;
  }

  .page-faq .faq-flow {
    gap: 1.15rem;
  }

  .page-faq .faq-step {
    grid-template-columns: 3.25rem minmax(0, 1fr);
    gap: 1.4rem;
    padding: 1.6rem 2.25rem 1.6rem 1.5rem;
  }

  .page-faq .faq-step__num {
    font-size: 2.1rem;
  }

  .page-faq .faq-step__title {
    font-size: 1.3rem;
  }

  .page-faq .faq-apple__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 2.75rem;
    align-items: start;
  }

  .page-faq .faq-figure--square {
    position: sticky;
    top: 2rem;
  }
}

@media (min-width: 78rem) {
  .page-faq .faq-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
<<<END>>>