.page-faq {
  --faq-panel: rgba(242, 232, 213, 0.05);
  --faq-panel-2: rgba(11, 59, 50, 0.42);
  --faq-cut: 16px;
}

/* ---------- HERO ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: 30px 0 34px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(130% 90% at 12% 0%, rgba(11, 59, 50, 0.9) 0%, rgba(14, 20, 18, 0) 62%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(118deg, rgba(61, 242, 192, 0.055) 0 1px, transparent 1px 74px);
  opacity: 0.9;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -110px;
  top: -90px;
  width: 340px;
  height: 340px;
  border: 1px solid rgba(61, 242, 192, 0.2);
  border-radius: 50%;
  transform: rotate(-20deg) scaleY(0.4);
  pointer-events: none;
}

.page-faq .faq-hero .content-wrap {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumbs {
  margin-bottom: 18px;
}

.page-faq .faq-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.15rem, 8.6vw, 4.4rem);
  line-height: 0.99;
  letter-spacing: -0.012em;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: clamp(0.95rem, 3.4vw, 1.06rem);
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-metric {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 14px 14px 15px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: rgba(14, 20, 18, 0.55);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

.page-faq .faq-metric__v {
  font-family: var(--font-data);
  font-size: clamp(1.05rem, 4.6vw, 1.45rem);
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-faq .faq-metric__l {
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--moss);
}

/* ---------- SHELL / LAYOUT ---------- */

.page-faq .faq-shell {
  padding: 34px 0 66px;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-faq .faq-side {
  padding: 18px 16px 20px;
  border: 1px solid var(--line-soft);
  background: linear-gradient(160deg, var(--faq-panel-2) 0%, rgba(14, 20, 18, 0.5) 70%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-faq .faq-side__label {
  margin: 0 0 12px;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-filters {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-faq .faq-filters .filter-btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.page-faq .faq-filters__n {
  font-family: var(--font-data);
  font-size: 0.72rem;
  color: var(--gold);
  opacity: 0.85;
}

.page-faq .filter-note {
  margin: 10px 0 0;
  font-size: 0.76rem;
  color: var(--moss);
}

.page-faq .faq-side__nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-side__link {
  display: block;
  padding: 8px 0 8px 14px;
  position: relative;
  font-size: 0.88rem;
  color: var(--paper);
  text-decoration: none;
  transition: color 180ms ease, transform 180ms ease;
}

.page-faq .faq-side__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 1px;
  background: var(--cyan);
  transform: translateY(-50%);
}

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

/* ---------- BLOCKS ---------- */

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

.page-faq .faq-block {
  padding-top: 24px;
  margin-top: 26px;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 90px;
}

.page-faq .faq-block:first-child {
  padding-top: 0;
  margin-top: 0;
  border-top: 0;
}

.page-faq .faq-block[hidden] {
  display: none;
}

.page-faq .faq-block__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.page-faq .faq-block__idx {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: clamp(1.5rem, 6vw, 2.1rem);
  font-weight: 700;
  line-height: 1;
  color: rgba(61, 242, 192, 0.34);
}

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

.page-faq .faq-block__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 5.4vw, 1.72rem);
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-faq .faq-block__desc {
  margin: 7px 0 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--moss);
}

.page-faq .faq-figure {
  margin: 20px 0 0;
}

.page-faq .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-list {
  margin-top: 20px;
  border-top: 1px solid var(--line-soft);
}

/* ---------- QUESTION CARDS ---------- */

.page-faq .expand-card.faq-q {
  border: 0;
  border-bottom: 1px solid var(--line-soft);
  border-left: 2px solid transparent;
  background: transparent;
  border-radius: 0;
  transition: border-color 200ms ease, background-color 200ms ease;
}

.page-faq .expand-card.faq-q[open] {
  border-left-color: var(--cyan);
  background: var(--faq-panel);
}

.page-faq .faq-q .expand-card__summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 12px 16px 14px;
  cursor: pointer;
}

.page-faq .faq-q .expand-card__title {
  font-size: clamp(0.96rem, 3.8vw, 1.05rem);
  font-weight: 700;
  line-height: 1.6;
  color: var(--paper);
}

.page-faq .faq-q__chev {
  flex: 0 0 auto;
  margin-top: 5px;
  color: var(--cyan);
  transition: transform 220ms cubic-bezier(0.3, 0.9, 0.3, 1);
}

.page-faq .faq-q[open] .faq-q__chev {
  transform: rotate(180deg);
}

.page-faq .faq-q .expand-card__body {
  padding: 0 12px 18px 14px;
}

.page-faq .faq-q .expand-card__body p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.88;
  color: var(--muted);
}

.page-faq .faq-q .expand-card__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 242, 192, 0.42);
}

.page-faq .faq-q .expand-card__body a:hover,
.page-faq .faq-q .expand-card__body a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-faq .faq-num {
  font-family: var(--font-data);
  font-size: 1.06em;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: -0.01em;
}

/* ---------- CONTACT BLOCK ---------- */

.page-faq .faq-block--contact .faq-contact {
  margin-top: 20px;
  padding: 20px 18px 22px;
  border: 1px solid var(--line);
  background:
    linear-gradient(150deg, rgba(11, 59, 50, 0.55) 0%, rgba(14, 20, 18, 0.72) 68%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-faq .faq-contact .contact-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line-soft);
}

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

.page-faq .faq-contact .contact-row__label {
  font-size: 0.68rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-contact .contact-row__value {
  font-family: var(--font-data);
  font-size: 0.95rem;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact .contact-row__value--plain {
  font-family: var(--font-body);
  color: var(--muted);
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-faq .faq-contact__note {
  margin: 16px 0 0;
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--moss);
}

.page-faq .faq-trust {
  margin: 34px 0 0;
  padding: 14px 16px;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--gold);
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--muted);
  background: rgba(42, 30, 24, 0.28);
}

/* ---------- 中等屏幕 ---------- */

@media (min-width: 700px) {
  .page-faq .faq-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-contact .contact-row {
    grid-template-columns: 138px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }

  .page-faq .faq-q .expand-card__summary {
    padding: 18px 16px 18px 18px;
  }

  .page-faq .faq-q .expand-card__body {
    padding: 0 16px 20px 18px;
  }
}

/* ---------- 桌面端：左侧固定筛选轴 ---------- */

@media (min-width: 1000px) {
  .page-faq .faq-hero {
    padding: 42px 0 48px;
  }

  .page-faq .faq-shell {
    padding: 52px 0 84px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: 26px;
  }

  .page-faq .faq-filters {
    flex-direction: column;
    flex-wrap: nowrap;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-filters .filter-btn {
    width: 100%;
    justify-content: space-between;
  }

  .page-faq .faq-block {
    padding-top: 30px;
    margin-top: 32px;
  }

  .page-faq .faq-block__head {
    gap: 20px;
  }

  .page-faq .faq-figure {
    margin-top: 26px;
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-layout {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 60px;
  }
}

/* ---------- 减少动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-q__chev,
  .page-faq .faq-side__link,
  .page-faq .expand-card.faq-q {
    transition: none;
  }
}
<<<END>>>