.page-faq {
  background: var(--pitch);
  color: var(--paper);
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(20px, 3.5vw, 36px) clamp(34px, 5vw, 64px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(0, 229, 195, 0.14) 0%, rgba(0, 229, 195, 0) 58%),
    linear-gradient(158deg, var(--night) 0%, var(--pitch) 58%, var(--pitch-2) 100%);
  border-bottom: var(--bw) solid var(--line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(140, 145, 137, 0.12) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(140, 145, 137, 0.12) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 82%);
}

.page-faq .faq-hero__stamp {
  position: absolute;
  top: clamp(10px, 2vw, 26px);
  right: clamp(12px, 3vw, 40px);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  pointer-events: none;
  opacity: 0.5;
}

.page-faq .faq-hero__stamp-no {
  font-family: var(--font-mono);
  font-size: clamp(54px, 9vw, 104px);
  font-weight: 700;
  line-height: 0.85;
  letter-spacing: 0.04em;
  color: transparent;
  -webkit-text-stroke: 2px var(--cyan);
}

.page-faq .faq-hero__stamp-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--paper-64);
}

.page-faq .crumbs {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 40px);
  align-items: center;
}

.page-faq .faq-hero__copy .eyebrow {
  margin-bottom: 14px;
  color: var(--cyan);
}

.page-faq .faq-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(30px, 6.4vw, 48px);
  line-height: 1.18;
  letter-spacing: 0.01em;
  font-weight: 800;
  color: var(--paper);
  max-width: 18em;
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 34em;
  color: var(--paper-82);
  font-size: 16px;
  line-height: 1.85;
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding-right: 20px;
  border-right: 1px solid var(--line);
}

.page-faq .faq-hero__stats li:last-child {
  border-right: 0;
  padding-right: 0;
}

.page-faq .faq-hero__stats strong {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-faq .faq-hero__stats span {
  font-size: 13px;
  color: var(--paper-64);
}

.page-faq .faq-hero__media {
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  background: var(--night);
  margin: 0;
}

.page-faq .faq-hero__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 12 / 7;
}

.page-faq .media__tag {
  display: block;
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--paper-64);
  border-top: 1px solid var(--line);
  background: rgba(7, 31, 24, 0.6);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 44px);
  padding-block: clamp(28px, 4vw, 56px);
}

/* ---------- 左侧索引 ---------- */
.page-faq .faq-rail {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-faq .faq-rail > .eyebrow {
  color: var(--orange);
  letter-spacing: 0.2em;
}

.page-faq .faq-rail__title {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 24px);
  line-height: 1.42;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: 0.01em;
}

.page-faq .faq-rail__nav ul {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  text-decoration: none;
  color: var(--paper);
  background: rgba(14, 74, 55, 0.55);
  border: var(--bw) solid var(--line);
  border-left: 4px solid var(--stone);
  border-radius: var(--radius);
  transition: transform var(--ease), border-color var(--ease), background var(--ease);
}

.page-faq .faq-rail__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 2px;
}

.page-faq .faq-rail__text {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-faq .faq-rail__text strong {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-faq .faq-rail__text em {
  font-style: normal;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--paper-64);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  transform: translateX(3px);
  border-left-color: var(--cyan);
  background: var(--pitch-2);
}

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

.page-faq .faq-rail__trace {
  width: 100%;
  max-width: 230px;
  height: auto;
  color: var(--line);
  margin-top: 4px;
}

/* ---------- 右侧问答组 ---------- */
.page-faq .faq-main {
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 2.6vw, 28px);
  min-width: 0;
}

.page-faq .faq-group {
  background: var(--paper);
  color: var(--deep);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  padding: clamp(20px, 3.2vw, 36px);
  scroll-margin-top: 88px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 2px dashed rgba(16, 32, 27, 0.18);
}

.page-faq .faq-group__no {
  flex: none;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--deep);
  background: var(--mint);
  border: var(--bw) solid var(--deep);
  border-radius: 3px;
}

.page-faq .faq-group__title {
  margin: 0 0 8px;
  font-size: clamp(20px, 3vw, 27px);
  line-height: 1.32;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--deep);
}

.page-faq .faq-group__sub {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(16, 32, 27, 0.74);
}

.page-faq .faq-group__text {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(16, 32, 27, 0.86);
}

.page-faq .faq-group__note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--clay);
  font-size: 13.5px;
  line-height: 1.78;
  color: rgba(16, 32, 27, 0.7);
}

/* 步骤 */
.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-faq .faq-steps__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background: rgba(201, 245, 235, 0.4);
  border: 1px solid rgba(16, 32, 27, 0.14);
  border-radius: var(--radius);
}

.page-faq .faq-steps__no {
  flex: none;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--paper);
  background: var(--orange);
  border-radius: 50%;
}

.page-faq .faq-steps__body h3 {
  margin: 2px 0 6px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--deep);
}

.page-faq .faq-steps__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(16, 32, 27, 0.8);
}

.page-faq .faq-figure {
  margin: 20px 0 0;
  border: var(--bw) solid var(--deep);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--pitch);
}

.page-faq .faq-figure .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 10 / 7;
}

.page-faq .faq-figure .media__tag {
  border-top: var(--bw) solid var(--deep);
}

/* 两栏说明 */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-split__cell {
  padding: 16px 18px;
  border: var(--bw) solid rgba(16, 32, 27, 0.2);
  border-top: 4px solid var(--clay);
  border-radius: var(--radius);
  background: rgba(245, 241, 232, 0.6);
}

.page-faq .faq-split__title {
  margin: 0 0 8px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--deep);
  letter-spacing: 0.01em;
}

.page-faq .faq-split__cell p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(16, 32, 27, 0.8);
}

/* 行动按钮组 */
.page-faq .faq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* 折叠问答 */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-item {
  border: var(--bw) solid rgba(16, 32, 27, 0.22);
  border-left: 4px solid var(--stone);
  border-radius: var(--radius);
  background: rgba(245, 241, 232, 0.72);
  transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
}

.page-faq .faq-item:hover {
  border-left-color: var(--cyan);
  box-shadow: 0 6px 18px rgba(7, 31, 24, 0.16);
}

.page-faq .faq-item[open] {
  border-left-color: var(--orange);
  background: var(--paper);
  box-shadow: 0 8px 22px rgba(7, 31, 24, 0.18);
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__summary:focus-visible {
  outline: 3px solid var(--deep);
  outline-offset: -3px;
  border-radius: 3px;
}

.page-faq .faq-item__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--clay);
  padding-top: 2px;
}

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

.page-faq .faq-item__q {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--deep);
  letter-spacing: 0.01em;
}

.page-faq .faq-item__icon {
  flex: none;
  position: relative;
  width: 18px;
  height: 18px;
  border: 2px solid var(--deep);
  border-radius: 2px;
  margin-top: 3px;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  background: var(--deep);
  transition: opacity var(--ease), transform var(--ease);
}

.page-faq .faq-item__icon::before {
  top: 6px;
  left: 2px;
  width: 10px;
  height: 2px;
}

.page-faq .faq-item__icon::after {
  top: 2px;
  left: 6px;
  width: 2px;
  height: 10px;
}

.page-faq .faq-item[open] .faq-item__icon::after {
  opacity: 0;
  transform: scaleY(0);
}

.page-faq .faq-item__body {
  padding: 0 16px 18px 41px;
  border-top: 1px dashed rgba(16, 32, 27, 0.18);
  margin-top: -2px;
  padding-top: 14px;
}

.page-faq .faq-item__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(16, 32, 27, 0.82);
}

/* 联系支持 */
.page-faq .faq-group--contact {
  background: linear-gradient(150deg, var(--night) 0%, var(--pitch) 100%);
  color: var(--paper);
  border-color: var(--line);
}

.page-faq .faq-group--contact .faq-group__head {
  border-bottom-color: rgba(245, 241, 232, 0.18);
}

.page-faq .faq-group--contact .faq-group__no {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--night);
}

.page-faq .faq-group--contact .faq-group__title {
  color: var(--paper);
}

.page-faq .faq-group--contact .faq-group__sub {
  color: var(--paper-64);
}

.page-faq .faq-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-faq .faq-contact__list {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  border: var(--bw) solid var(--line);
  border-left: 4px solid var(--cyan);
  border-radius: var(--radius);
  background: rgba(14, 74, 55, 0.5);
}

.page-faq .faq-contact__row dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--paper-64);
}

.page-faq .faq-contact__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact__tips h3 {
  margin: 0 0 10px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-faq .faq-contact__tips ul {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-faq .faq-contact__tips li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper-82);
}

.page-faq .faq-contact__tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--orange);
  border-radius: 50%;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero__stats strong {
    font-size: 30px;
  }

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

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

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 26px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 46px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 286px minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 22px;
  }

  .page-faq .faq-rail__nav ul {
    grid-template-columns: 1fr;
  }

  .page-faq .faq-rail__link {
    padding: 13px 15px;
  }

  .page-faq .faq-hero__media .media__img {
    aspect-ratio: 12 / 8;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-rail__link,
  .page-faq .faq-item,
  .page-faq .faq-item__icon::before,
  .page-faq .faq-item__icon::after {
    transition: none;
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    transform: none;
  }
}
<<<END>>>