.page-faq {
  --faq-line: rgba(169, 183, 198, 0.18);
  --faq-line-soft: rgba(169, 183, 198, 0.1);
  --faq-card: rgba(14, 42, 69, 0.68);
  --faq-glow: rgba(45, 226, 230, 0.14);
  --faq-body: rgba(247, 250, 252, 0.82);
  background: var(--ink-900);
  color: var(--white);
  overflow-x: clip;
}

.page-faq h1,
.page-faq h2 {
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.14;
  margin: 0;
}

.page-faq p {
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 3.4vw, 36px) 0 clamp(36px, 6vw, 76px);
  border-bottom: 1px solid var(--faq-line);
  background-image:
    radial-gradient(circle at 84% 6%, var(--faq-glow), transparent 58%),
    repeating-linear-gradient(90deg, var(--faq-line-soft) 0 1px, transparent 1px 96px);
}

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

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

.page-faq .faq-hero__copy h1 {
  font-size: clamp(30px, 6vw, 62px);
  margin: 12px 0 0;
}

.page-faq .faq-hero__lead {
  margin-top: clamp(16px, 2vw, 22px);
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.82;
  color: var(--faq-body);
}

.page-faq .faq-hero__meta {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-faq .faq-hero__fig {
  margin: 0;
  position: relative;
  border: 1px solid var(--line-strong);
  background: var(--panel);
}

.page-faq .faq-hero__fig::before,
.page-faq .faq-hero__fig::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--cyan);
  opacity: 0.7;
}

.page-faq .faq-hero__fig::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-faq .faq-hero__fig::after {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
}

.page-faq .faq-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-hero__cap {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--mist);
  border-top: 1px solid var(--faq-line);
}

/* ---------- 索引带 ---------- */
.page-faq .faq-index-band {
  background: var(--ink-800);
  border-bottom: 1px solid var(--faq-line);
  padding: clamp(26px, 4vw, 44px) 0 clamp(26px, 4vw, 40px);
}

.page-faq .faq-index-band__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 20px;
  margin-bottom: 20px;
}

.page-faq .faq-index-band__title {
  font-size: clamp(19px, 2.4vw, 24px);
}

.page-faq .faq-index-band__hint {
  font-size: 13px;
  color: var(--mist);
  font-family: var(--font-mono);
}

.page-faq .faq-index {
  display: flex;
  gap: 12px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index__item {
  flex: 0 0 76%;
  max-width: 300px;
  scroll-snap-align: start;
}

.page-faq .faq-index__link {
  position: relative;
  display: block;
  height: 100%;
  padding: 16px 18px 18px;
  text-decoration: none;
  color: var(--white);
  background: var(--faq-card);
  border: 1px solid var(--faq-line);
  border-left: 2px solid var(--cyan);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

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

.page-faq .faq-index__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .faq-index__t {
  display: block;
  margin-top: 8px;
  font-size: 17px;
  font-weight: 700;
}

.page-faq .faq-index__d {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

.page-faq .faq-index__link .dot {
  position: absolute;
  top: 18px;
  right: 16px;
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  padding: clamp(38px, 6vw, 78px) 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-group--alt {
  background: var(--ink-800);
}

.page-faq .faq-group--adapt {
  background-image: radial-gradient(circle at 12% 0%, var(--lava-08), transparent 46%);
}

.page-faq .faq-group__grid {
  display: grid;
  gap: clamp(22px, 3.6vw, 48px);
}

.page-faq .faq-group__side h2 {
  font-size: clamp(24px, 3.4vw, 36px);
  margin-top: 10px;
}

.page-faq .faq-group__side .index-num {
  display: block;
  color: var(--cyan);
  opacity: 0.9;
}

.page-faq .faq-group__note {
  margin-top: 14px;
  max-width: 30em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-item {
  border-top: 1px solid var(--faq-line);
  background: transparent;
}

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

.page-faq .faq-item__head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 18px 4px;
  cursor: pointer;
  list-style: none;
  transition: color 0.18s var(--ease), background 0.18s var(--ease);
}

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

.page-faq .faq-item__head:hover,
.page-faq .faq-item__head:focus-visible {
  background: var(--cyan-08);
  color: var(--cyan);
}

.page-faq .faq-item__no {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 600;
  line-height: 1.55;
}

.page-faq .faq-item__ico {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 4px;
}

.page-faq .faq-item__ico::before,
.page-faq .faq-item__ico::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 16px;
  height: 1px;
  background: currentColor;
  transition: transform 0.22s var(--ease), opacity 0.22s var(--ease);
}

.page-faq .faq-item__ico::after {
  transform: rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__ico::after {
  transform: rotate(0deg);
  opacity: 0;
}

.page-faq .faq-item[open] .faq-item__head {
  color: var(--cyan);
}

.page-faq .faq-item__body {
  padding: 0 4px 22px;
}

.page-faq .faq-item__body p {
  max-width: 40em;
  margin-left: 0;
  padding-left: 0;
  font-size: 15px;
  line-height: 1.86;
  color: var(--faq-body);
  border-left: 2px solid var(--faq-line);
  padding-left: 14px;
}

.page-faq .faq-shot {
  margin: 22px 0 0;
  border: 1px solid var(--faq-line);
  background: var(--panel);
}

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

.page-faq .faq-shot__cap {
  display: block;
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--mist);
  border-top: 1px solid var(--faq-line);
}

/* ---------- 联系纸面 ---------- */
.page-faq .faq-paper {
  background: var(--paper);
  color: var(--paper-ink);
  padding: clamp(38px, 6vw, 74px) 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-paper__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-faq .faq-paper__num {
  display: block;
  color: rgba(43, 31, 23, 0.45);
}

.page-faq .faq-paper__head h2 {
  font-size: clamp(24px, 3.6vw, 38px);
  margin-top: 10px;
  color: var(--paper-ink);
}

.page-faq .faq-paper__lead {
  margin-top: 14px;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(43, 31, 23, 0.82);
}

.page-faq .faq-paper__card {
  background: rgba(255, 255, 255, 0.44);
  border: 1px solid var(--paper-line);
  border-top: 3px solid var(--lava);
  padding: clamp(18px, 2.6vw, 28px);
}

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

.page-faq .faq-defs__row {
  padding: 14px 0;
  border-bottom: 1px solid var(--paper-line);
}

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

.page-faq .faq-defs__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(43, 31, 23, 0.6);
  margin-bottom: 6px;
}

.page-faq .faq-defs__row dd {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper-ink);
  word-break: break-word;
}

.page-faq .faq-mail {
  user-select: all;
  border-bottom: 1px solid rgba(43, 31, 23, 0.35);
}

.page-faq .faq-tel {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-faq .faq-defs__note {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  font-weight: 400;
  line-height: 1.6;
  color: rgba(43, 31, 23, 0.68);
}

.page-faq .faq-paper__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-faq .faq-btn {
  display: inline-block;
  padding: 11px 20px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  color: var(--paper);
  background: var(--ink-800);
  border: 1px solid var(--ink-800);
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-btn:hover,
.page-faq .faq-btn:focus-visible {
  background: var(--panel);
  color: var(--cyan);
}

.page-faq .faq-btn--ghost {
  background: transparent;
  color: var(--paper-ink);
  border-color: rgba(43, 31, 23, 0.5);
}

.page-faq .faq-btn--ghost:hover,
.page-faq .faq-btn--ghost:focus-visible {
  background: rgba(43, 31, 23, 0.08);
  color: var(--paper-ink);
  border-color: var(--paper-ink);
}

/* ---------- 延伸入口 ---------- */
.page-faq .faq-more {
  padding: clamp(34px, 5vw, 66px) 0 clamp(44px, 6vw, 80px);
}

.page-faq .faq-more__title {
  font-size: clamp(20px, 2.6vw, 26px);
  margin-bottom: 20px;
}

.page-faq .faq-more__list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-more__link {
  display: block;
  padding: 18px 18px;
  background: var(--ink-900);
  text-decoration: none;
  color: var(--white);
  transition: background 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-faq .faq-more__link:hover,
.page-faq .faq-more__link:focus-visible {
  background: var(--panel);
  padding-left: 24px;
}

.page-faq .faq-more__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .faq-more__v {
  display: block;
  margin-top: 6px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--faq-body);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-index__item {
    flex: 1 1 0;
    max-width: none;
  }

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

  .page-faq .faq-paper__grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .page-faq .faq-group__grid {
    grid-template-columns: 0.78fr 1.22fr;
    align-items: start;
  }

  .page-faq .faq-group__side {
    position: sticky;
    top: calc(var(--head-h) + 24px);
  }

  .page-faq .faq-group__grid--flip {
    grid-template-columns: 1.22fr 0.78fr;
  }

  .page-faq .faq-group__grid--flip .faq-group__side {
    order: 2;
  }

  .page-faq .faq-group__grid--flip .faq-group__body {
    order: 1;
  }

  .page-faq .faq-paper__grid {
    grid-template-columns: 1fr 1fr;
    gap: clamp(32px, 5vw, 72px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-item__ico::before,
  .page-faq .faq-item__ico::after,
  .page-faq .faq-more__link {
    transition: none;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-more__link:hover {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>