.page-faq {
  --faq-rail: 14.5rem;
  background: var(--bg-base);
  color: var(--fg);
}

/* 浅色分区内的语义色重映射，保证珍珠白底上的可读性 */
.page-faq .section--pearl {
  --fg: var(--indigo-abyss);
  --fg-soft: rgba(19, 44, 87, 0.76);
  --fg-dim: rgba(19, 44, 87, 0.52);
  --line: rgba(19, 44, 87, 0.14);
  --line-strong: rgba(19, 44, 87, 0.3);
  color: var(--indigo-abyss);
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(2.4rem, 7vw, 5.5rem) 0 clamp(2.4rem, 6vw, 4.5rem);
  overflow: hidden;
  background:
    radial-gradient(120% 92% at 88% 4%, rgba(47, 208, 196, 0.14), transparent 62%),
    radial-gradient(96% 84% at 2% 98%, rgba(91, 42, 74, 0.44), transparent 64%),
    var(--bg-base);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong) 12%, var(--line-strong) 88%, transparent);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(1.8rem, 4vw, 3rem);
  align-items: center;
}

.page-faq .faq-hero__title {
  margin: 0.85rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.16;
  font-size: clamp(2rem, 6vw, 3.6rem);
  color: var(--fg);
  max-width: 20ch;
}

.page-faq .faq-hero__lede {
  margin-top: 1.15rem;
  max-width: 36em;
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 1.9rem 0 0;
  padding: 1.4rem 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem 0.9rem;
}

.page-faq .faq-stat__num {
  display: block;
  font-size: clamp(1.85rem, 4.6vw, 2.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--coral);
  letter-spacing: -0.02em;
}

.page-faq .faq-stat__label {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.85rem;
  color: var(--fg-soft);
}

.page-faq .faq-hero__frame {
  margin: 0;
}

.page-faq .faq-hero__frame .frame__media {
  display: block;
  width: 100%;
  height: auto;
}

/* ============ 主体：索引 + 问答流 ============ */
.page-faq .faq-body {
  padding-top: clamp(2.6rem, 6vw, 4.6rem);
  padding-bottom: clamp(2.6rem, 6vw, 5rem);
}

.page-faq .faq-body__grid {
  display: grid;
  gap: 2.2rem;
}

.page-faq .faq-index {
  border-top: 2px solid var(--line-strong);
  padding-top: 1.1rem;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0 0 0 1.15rem;
  position: relative;
  display: grid;
  gap: 0.8rem;
}

.page-faq .faq-index__list::before {
  content: "";
  position: absolute;
  left: 0.32rem;
  top: 0.45rem;
  bottom: 0.45rem;
  width: 1px;
  background: linear-gradient(180deg, var(--wine), rgba(216, 182, 121, 0.65));
  opacity: 0.55;
}

.page-faq .faq-index__link {
  position: relative;
  display: block;
  color: var(--fg-soft);
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 1.5;
  transition: color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}

.page-faq .faq-index__link::before {
  content: "";
  position: absolute;
  left: -0.83rem;
  top: 0.65em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--nacre);
  transform: translate(-50%, -50%);
  transition: background-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--fg);
  transform: translateX(3px);
}

.page-faq .faq-index__link:hover::before,
.page-faq .faq-index__link:focus-visible::before {
  background: var(--coral);
  transform: translate(-50%, -50%) scale(1.3);
}

.page-faq .faq-index__foot {
  margin: 1.5rem 0 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--fg-dim);
}

.page-faq .faq-index__foot a {
  color: var(--wine);
  text-decoration: none;
  border-bottom: 1px solid rgba(91, 42, 74, 0.4);
}

/* 分组 */
.page-faq .faq-group {
  padding-top: 2.5rem;
  scroll-margin-top: 7rem;
}

.page-faq .faq-group:first-child {
  padding-top: 0;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  padding-bottom: 0.85rem;
  border-bottom: 2px solid var(--line-strong);
}

.page-faq .faq-group__no {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--coral);
}

.page-faq .faq-group__title {
  margin: 0;
}

/* 手风琴 */
.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 1.7rem minmax(0, 1fr) 1.35rem;
  gap: 0.6rem;
  align-items: start;
  padding: 1.08rem 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 2.2vw, 1.12rem);
  line-height: 1.55;
  color: var(--fg);
  transition: color var(--dur) var(--ease-out);
}

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

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-item > summary:hover {
  color: var(--coral);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-faq .faq-item__idx {
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--wine);
  padding-top: 0.4rem;
}

.page-faq .faq-item__sign {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 0.28rem;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--coral);
  transition: border-color var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out);
}

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

.page-faq .faq-item__sign::before {
  width: 8px;
  height: 1.5px;
}

.page-faq .faq-item__sign::after {
  width: 1.5px;
  height: 8px;
  transition: transform var(--dur) var(--ease-out);
}

.page-faq .faq-item[open] .faq-item__sign {
  border-color: var(--coral);
  background: rgba(255, 107, 74, 0.1);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-item__a {
  padding: 0 1.4rem 1.15rem 2.3rem;
  font-size: 0.95rem;
  line-height: 1.82;
  color: var(--fg-soft);
  animation: faq-answer-in 0.32s var(--ease-out);
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 40em;
}

@keyframes faq-answer-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ============ 新用户规格核对 ============ */
.page-faq .faq-checklist__grid {
  display: grid;
  gap: 2.2rem;
}

.page-faq .faq-checklist__lede {
  margin: 1rem 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--fg-soft);
  max-width: 36em;
}

.page-faq .faq-check__steps {
  list-style: none;
  margin: 1.9rem 0 0;
  padding: 0;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--line);
}

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

.page-faq .faq-step__num {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--coral);
  padding-top: 0.15rem;
}

.page-faq .faq-step__title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--fg);
}

.page-faq .faq-step__desc {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--fg-soft);
}

.page-faq .faq-pitfall {
  margin-top: 2.4rem;
  padding: 1.5rem 1.5rem 1.35rem;
  border-radius: var(--radius-m);
  border: 1px solid rgba(91, 42, 74, 0.18);
  background: linear-gradient(150deg, rgba(91, 42, 74, 0.1), rgba(255, 107, 74, 0.09));
}

.page-faq .faq-pitfall__title {
  margin: 0;
  color: var(--wine);
}

.page-faq .faq-pitfall__list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-faq .faq-pitfall__list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.93rem;
  line-height: 1.76;
  color: var(--fg-soft);
}

.page-faq .faq-pitfall__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 2px;
  background: var(--coral);
  transform: rotate(45deg);
}

.page-faq .faq-pitfall__list strong {
  color: var(--wine);
}

.page-faq .faq-checklist__frame {
  margin: 0;
}

.page-faq .faq-checklist__frame .frame__media {
  display: block;
  width: 100%;
  height: auto;
}

/* ============ 两端信息对照 ============ */
.page-faq .faq-parity {
  display: grid;
  gap: 1.2rem;
  margin-top: 2.2rem;
}

.page-faq .faq-parity__side {
  padding: 1.6rem 1.5rem 1.7rem;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  background: var(--bg-raised);
  transition: border-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}

.page-faq .faq-parity__side:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
}

.page-faq .faq-parity__side--alt {
  border-color: rgba(47, 208, 196, 0.32);
  background: linear-gradient(158deg, rgba(47, 208, 196, 0.15), rgba(19, 44, 87, 0.72));
}

.page-faq .faq-parity__heading {
  margin: 0.9rem 0 0.95rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
}

.page-faq .faq-parity__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.page-faq .faq-parity__list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--fg-soft);
}

.page-faq .faq-parity__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--coral);
}

.page-faq .faq-parity__spine {
  display: grid;
  grid-auto-flow: column;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;
  padding: 0.2rem 0;
}

.page-faq .faq-parity__ver {
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  color: var(--signal-teal);
}

.page-faq .faq-parity__cap {
  font-size: 0.8rem;
  color: var(--fg-dim);
}

.page-faq .faq-parity__line {
  width: 3rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--signal-teal), transparent);
}

/* ============ 排期推进 ============ */
.page-faq .faq-timeline {
  list-style: none;
  margin: 2.2rem 0 0;
  padding: 0;
}

.page-faq .faq-timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 1.1rem;
  padding-bottom: 1.9rem;
}

.page-faq .faq-timeline__item::before {
  content: "";
  position: absolute;
  left: 1.2rem;
  top: 2.6rem;
  bottom: 0.2rem;
  width: 1px;
  background: var(--line-strong);
}

.page-faq .faq-timeline__item:last-child {
  padding-bottom: 0;
}

.page-faq .faq-timeline__item:last-child::before {
  display: none;
}

.page-faq .faq-timeline__dot {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--pearl);
  font-size: 0.8rem;
  color: var(--wine);
}

.page-faq .faq-timeline__title {
  margin: 0.45rem 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--fg);
}

.page-faq .faq-timeline__desc {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--fg-soft);
  max-width: 40em;
}

/* ============ 区域时效 ============ */
.page-faq .faq-zone-band {
  display: grid;
  gap: 1rem;
  margin-top: 2.2rem;
}

.page-faq .faq-zone {
  padding: 1.4rem 1.25rem 1.5rem;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  border-top: 2px solid var(--signal-teal);
  background: rgba(255, 255, 255, 0.05);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out),
    background-color var(--dur) var(--ease-out);
}

.page-faq .faq-zone:hover {
  transform: translateY(-4px);
  border-top-color: var(--coral);
  background: rgba(255, 255, 255, 0.085);
}

.page-faq .faq-zone__name {
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--fg);
}

.page-faq .faq-zone__time {
  display: block;
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1;
  color: var(--signal-teal);
  letter-spacing: -0.01em;
}

.page-faq .faq-zone__unit {
  margin-left: 0.3rem;
  font-size: 0.8rem;
  color: var(--fg-soft);
}

.page-faq .faq-zone__desc {
  margin: 0.8rem 0 0;
  font-size: 0.89rem;
  line-height: 1.72;
  color: var(--fg-soft);
}

.page-faq .faq-zones__note {
  margin: 1.6rem 0 0;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--fg-soft);
  max-width: 52em;
}

/* ============ 贝纹分隔带 ============ */
.page-faq .faq-nacre-band {
  height: clamp(2.6rem, 6vw, 4.2rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    repeating-radial-gradient(circle at 18% 130%, rgba(175, 192, 214, 0.16) 0 1.5px, transparent 1.5px 26px),
    repeating-radial-gradient(circle at 82% -30%, rgba(47, 208, 196, 0.12) 0 1.5px, transparent 1.5px 34px),
    linear-gradient(90deg, var(--indigo-abyss), var(--indigo-midnight), var(--indigo-abyss));
}

/* ============ 联系方式 ============ */
.page-faq .faq-contact__inner {
  display: grid;
  gap: 2.2rem;
}

.page-faq .faq-contact__lede {
  margin: 1rem 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--fg-soft);
  max-width: 36em;
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.7rem;
}

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

.page-faq .faq-contact__list li {
  display: grid;
  grid-template-columns: 4.2rem minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
  line-height: 1.68;
  color: var(--fg);
}

.page-faq .faq-contact__key {
  font-size: 0.76rem;
  letter-spacing: 0.07em;
  color: var(--brass);
  padding-top: 0.32rem;
}

/* ============ 响应式 ============ */
@media (min-width: 620px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-faq .faq-zone-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-item__a {
    padding-right: 3rem;
    padding-left: 2.3rem;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
  }

  .page-faq .faq-parity {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: stretch;
    gap: 1.6rem;
  }

  .page-faq .faq-parity__spine {
    grid-auto-flow: row;
    justify-items: center;
    align-content: center;
    gap: 0.6rem;
    padding: 0.5rem 0;
  }

  .page-faq .faq-parity__line {
    width: 1px;
    height: auto;
    min-height: 3.5rem;
    align-self: stretch;
    background: linear-gradient(180deg, transparent, var(--signal-teal), transparent);
  }

  .page-faq .faq-contact__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body__grid {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 4.5rem);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 6.75rem;
  }

  .page-faq .faq-checklist__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.6fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }

  .page-faq .faq-timeline__item {
    grid-template-columns: 2.8rem minmax(0, 1fr);
    gap: 1.4rem;
  }

  .page-faq .faq-timeline__item::before {
    left: 1.4rem;
  }

  .page-faq .faq-timeline__dot {
    width: 2.8rem;
    height: 2.8rem;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-zone-band {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__stats {
    gap: 1.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__a {
    animation: none;
  }

  .page-faq .faq-zone:hover,
  .page-faq .faq-parity__side:hover,
  .page-faq .faq-index__link:hover {
    transform: none;
  }
}
<<<END>>>