.page-faq {
  --faq-hair: 1px solid rgba(142, 163, 184, 0.38);
  --faq-pad: clamp(14px, 2.4vw, 20px);
  --faq-hard: 5px 5px 0 var(--ink);
  --faq-hard-sm: 3px 3px 0 var(--ink);
  background: var(--chalk);
  color: var(--night);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 3px solid var(--ink);
  padding: clamp(18px, 3.5vw, 32px) 0 clamp(38px, 6vw, 78px);
  background:
    radial-gradient(110% 85% at 86% 6%, rgba(232, 179, 58, 0.16), transparent 56%),
    radial-gradient(95% 80% at 4% 96%, rgba(255, 77, 31, 0.2), transparent 62%),
    var(--night);
  color: var(--chalk);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(142, 163, 184, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(142, 163, 184, 0.09) 1px, transparent 1px);
  background-size: 48px 48px;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-faq .faq-hero__crumb .ht-link {
  color: var(--chalk);
}

.page-faq .faq-hero__crumb [aria-current="page"] {
  color: var(--ember);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero__title {
  margin: 10px 0 0;
  font-size: clamp(32px, 7.2vw, 68px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.page-faq .faq-hero .ht-eyebrow {
  display: inline-block;
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border-left: 3px solid var(--signal);
  padding-left: 10px;
}

.page-faq .faq-hero__lede {
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.75;
  color: var(--chalk);
}

.page-faq .faq-hero__quick {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
}

.page-faq .faq-hero__quick li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 700;
  color: var(--chalk);
  background: var(--panel);
  border: 2px solid var(--slate);
  box-shadow: var(--faq-hard-sm);
}

.page-faq .faq-hero__quick .ht-num {
  color: var(--signal);
  font-size: 15px;
  font-weight: 700;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-hero__actions .ht-btn--ghost {
  border-color: var(--slate);
  color: var(--chalk);
  box-shadow: 4px 4px 0 rgba(7, 16, 25, 0.75);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 2px solid var(--slate);
  box-shadow: 8px 8px 0 rgba(7, 16, 25, 0.62);
  background: var(--panel);
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
}

.page-faq .faq-hero__figure figcaption {
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--slate);
  border-top: 2px solid var(--ink);
  background: var(--ink);
}

/* ---------- 主体 ---------- */
.page-faq .faq-body {
  padding-top: clamp(30px, 5vw, 60px);
  padding-bottom: clamp(36px, 6vw, 72px);
}

.page-faq .faq-body__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .faq-index {
  border: 2px solid var(--ink);
  background: var(--white);
  box-shadow: var(--faq-hard);
  padding: var(--faq-pad);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brick);
}

.page-faq .faq-index__list {
  list-style: none;
  display: flex;
  gap: 10px;
  margin: 0 0 12px;
  padding: 0 0 4px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 6px 14px 6px 8px;
  text-decoration: none;
  color: var(--night);
  background: var(--chalk);
  border: 2px solid var(--ink);
  white-space: nowrap;
  transition: background 160ms var(--ease), border-color 160ms var(--ease), transform 160ms var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--ember);
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-faq .faq-index__num {
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--signal);
}

.page-faq .faq-index__link:hover .faq-index__num,
.page-faq .faq-index__link:focus-visible .faq-index__num {
  color: var(--night);
  -webkit-text-stroke: 0;
}

.page-faq .faq-index__label {
  font-size: 13.5px;
  font-weight: 700;
}

.page-faq .faq-index__tip {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group + .faq-group {
  margin-top: clamp(28px, 4vw, 48px);
  padding-top: clamp(26px, 4vw, 44px);
  border-top: 1px solid rgba(232, 179, 58, 0.55);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: clamp(14px, 2.2vw, 22px);
}

.page-faq .faq-group__num {
  flex: 0 0 auto;
  font-size: clamp(30px, 6vw, 46px);
  font-weight: 900;
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 2px var(--signal);
  letter-spacing: -0.04em;
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-faq .faq-group__desc {
  margin: 8px 0 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.7;
  color: #3d5670;
}

/* ---------- 折叠面板 ---------- */
.page-faq .faq-item {
  margin-bottom: 10px;
  background: var(--white);
  border: 2px solid var(--ink);
  box-shadow: var(--faq-hard-sm);
  transition: box-shadow 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--gold);
}

.page-faq .faq-item[open] {
  box-shadow: 5px 5px 0 var(--signal);
  border-color: var(--ink);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-height: 48px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--night);
}

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

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -4px;
}

.page-faq .faq-item__marker {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  border: 2px solid var(--ink);
  background: var(--chalk);
}

.page-faq .faq-item__marker::before,
.page-faq .faq-item__marker::after {
  content: "";
  position: absolute;
  background: var(--ink);
  transition: transform 140ms var(--ease), background 140ms var(--ease);
}

.page-faq .faq-item__marker::before {
  left: 3px;
  right: 3px;
  top: 5px;
  height: 2px;
}

.page-faq .faq-item__marker::after {
  top: 3px;
  bottom: 3px;
  left: 5px;
  width: 2px;
}

.page-faq .faq-item[open] .faq-item__marker {
  background: var(--signal);
  border-color: var(--ink);
}

.page-faq .faq-item[open] .faq-item__marker::before {
  background: var(--white);
}

.page-faq .faq-item[open] .faq-item__marker::after {
  transform: scaleY(0);
  background: var(--white);
}

.page-faq .faq-item__a {
  padding: 0 16px 16px 44px;
  border-top: 1px solid var(--gold);
  margin-top: 0;
  padding-top: 14px;
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.78;
  color: #2b4258;
}

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

.page-faq .faq-item__a .ht-link {
  color: var(--brick);
  font-weight: 700;
}

.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  display: grid;
  gap: 8px;
  margin: 10px 0 12px;
  padding: 0;
}

.page-faq .faq-steps > li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 36px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--night);
}

.page-faq .faq-steps > li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  min-width: 26px;
  padding: 1px 3px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  text-align: center;
  color: var(--night);
  background: var(--chalk);
  border: 1.5px solid var(--ink);
}

/* ---------- 移动端配图 ---------- */
.page-faq .faq-group--device {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-faq .faq-device {
  margin: 0;
  align-self: start;
  border: 2px solid var(--ink);
  box-shadow: var(--faq-hard);
  background: var(--white);
}

.page-faq .faq-device img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.page-faq .faq-device figcaption {
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--night);
  border-top: 2px solid var(--ink);
  background: var(--chalk);
}

/* ---------- 客服通栏 ---------- */
.page-faq .faq-contact {
  border-top: 3px solid var(--gold);
  background:
    linear-gradient(180deg, rgba(255, 77, 31, 0.12), transparent 42%),
    var(--night);
  color: var(--chalk);
  padding: clamp(32px, 5vw, 64px) 0 clamp(34px, 5vw, 68px);
}

.page-faq .faq-contact__inner {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-faq .faq-contact__eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  border-left: 3px solid var(--signal);
  padding-left: 10px;
}

.page-faq .faq-contact__title {
  margin: 12px 0 0;
  font-size: clamp(24px, 4vw, 38px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
}

.page-faq .faq-contact__lede {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--chalk);
}

.page-faq .faq-contact__btn {
  margin-top: clamp(18px, 3vw, 26px);
}

.page-faq .faq-contact__channels {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.page-faq .faq-contact__channel {
  display: grid;
  grid-template-columns: 34px 1fr;
  grid-template-areas:
    "icon label"
    "icon value";
  align-items: center;
  gap: 0 8px;
  padding: 12px 14px;
  background: var(--panel);
  border: 2px solid var(--slate);
  box-shadow: 4px 4px 0 rgba(7, 16, 25, 0.7);
}

.page-faq .faq-contact__icon {
  grid-area: icon;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: var(--gold);
  border: 2px solid var(--gold);
}

.page-faq .faq-contact__label {
  grid-area: label;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-faq .faq-contact__value {
  grid-area: value;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
  word-break: break-word;
}

/* ---------- 焦点可见性 ---------- */
.page-faq a:focus-visible,
.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-index__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    overflow: visible;
  }

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

  .page-faq .faq-contact__channel {
    grid-template-columns: 1fr;
    grid-template-areas:
      "icon"
      "label"
      "value";
    gap: 8px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
  }

  .page-faq .faq-hero__figure {
    margin-bottom: 6px;
  }

  .page-faq .faq-body__grid {
    grid-template-columns: minmax(0, 250px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h-slim) + 18px);
  }

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

  .page-faq .faq-index__link {
    width: 100%;
    justify-content: flex-start;
  }

  .page-faq .faq-group--device {
    grid-template-columns: minmax(0, 1fr) 240px;
    align-items: start;
  }

  .page-faq .faq-device {
    position: sticky;
    top: calc(var(--header-h-slim) + 18px);
  }

  .page-faq .faq-contact__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: center;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-body__grid {
    grid-template-columns: minmax(0, 280px) minmax(0, 1fr);
  }

  .page-faq .faq-group--device {
    grid-template-columns: minmax(0, 1fr) 280px;
  }
}
<<<END>>>