.page-faq {
  --faq-gap: clamp(20px, 3vw, 34px);
  background: var(--ink);
  color: var(--paper);
  padding-bottom: clamp(40px, 8vw, 96px);
  overflow-x: hidden;
}

.page-faq .faq-head {
  position: relative;
  padding: clamp(24px, 5vw, 52px) 0 clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(90% 130% at 92% -20%, rgba(53, 230, 196, 0.18), transparent 62%),
    radial-gradient(70% 90% at 0% 120%, rgba(255, 107, 51, 0.1), transparent 60%);
  overflow: hidden;
}

.page-faq .faq-head::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(143, 163, 157, 0.07) 0px,
    rgba(143, 163, 157, 0.07) 1px,
    transparent 1px,
    transparent 5px
  );
  opacity: 0.6;
}

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

.page-faq .faq-head__title {
  margin: 14px 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 8.4vw, 74px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-head__lead {
  margin: 18px 0 0;
  max-width: 62ch;
  font-family: var(--font-body);
  font-size: clamp(15px, 2.6vw, 18px);
  line-height: 1.78;
  color: rgba(243, 237, 226, 0.82);
}

.page-faq .faq-head .crumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-faq .faq-head .crumbs a {
  color: var(--cyan);
  text-decoration: none;
}

.page-faq .faq-head .crumbs li[aria-current] {
  color: var(--cold);
}

/* 工具条 */
.page-faq .faq-tools {
  background: var(--char);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-tools__inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px 0;
}

.page-faq .faq-filter {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1 1 auto;
  padding: 11px 14px;
  background: rgba(12, 31, 26, 0.86);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-filter:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-soft);
}

.page-faq .faq-filter__icon {
  flex: 0 0 auto;
  color: var(--cyan);
}

.page-faq .faq-filter__input {
  width: 100%;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.4;
}

.page-faq .faq-filter__input::placeholder {
  color: var(--cold);
}

.page-faq .faq-filter__input:focus {
  outline: none;
}

.page-faq .faq-tools__meta {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--cold);
}

.page-faq .faq-tools__meta .mono {
  color: var(--cyan);
  font-size: 14px;
}

/* 主体两栏 */
.page-faq .faq-body {
  display: grid;
  gap: var(--faq-gap);
  padding-top: clamp(24px, 5vw, 56px);
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--clay);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
}

.page-faq .faq-index__list > li {
  flex: 0 0 auto;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(30, 59, 49, 0.45);
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(53, 230, 196, 0.08);
}

.page-faq .faq-index__num {
  color: var(--cyan);
  font-size: 12px;
}

.page-faq .faq-index__count {
  color: var(--cold);
  font-size: 12px;
}

.page-faq .faq-index__note {
  display: none;
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--cold);
}

.page-faq .faq-index__note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 分组 */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 20px);
  padding-bottom: clamp(26px, 4vw, 42px);
}

.page-faq .faq-group + .faq-group {
  padding-top: clamp(26px, 4vw, 42px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 6px 14px;
  margin-bottom: 18px;
}

.page-faq .faq-group__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--cyan);
  background: rgba(30, 59, 49, 0.55);
}

.page-faq .faq-group__meta {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  color: var(--cold);
  font-size: 12px;
}

.page-faq .faq-group__meta .mono {
  color: var(--cold);
  font-size: 12px;
}

.page-faq .faq-group__title {
  margin: 2px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 5vw, 36px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group__desc {
  grid-column: 1 / -1;
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cold);
}

/* 插图 */
.page-faq .faq-figure {
  margin: 0 0 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--moss);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  background: var(--char);
}

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--cold);
}

/* 手风琴 */
.page-faq .faq-item {
  border-top: 1px solid var(--line);
  border-radius: var(--radius);
  transition: background 0.22s ease, box-shadow 0.22s ease;
}

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

.page-faq .faq-item:not([open]):hover {
  background: rgba(53, 230, 196, 0.07);
}

.page-faq .faq-item[open] {
  background: var(--paper);
  border-top-color: transparent;
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.3);
  margin: 6px 0;
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 12px;
  padding: 16px 14px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .faq-item__num {
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-faq .faq-item__text {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--paper);
}

.page-faq .faq-item__mark {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 6px;
  flex: 0 0 auto;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  border-radius: 1px;
  background: var(--cyan);
  transition: transform 0.22s ease, background 0.22s ease;
}

.page-faq .faq-item__mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .faq-item__mark::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

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

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

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

.page-faq .faq-item[open] .faq-item__text {
  color: var(--char);
  font-weight: 600;
}

.page-faq .faq-item__a {
  padding: 0 14px 18px 14px;
}

.page-faq .faq-item__a p {
  margin: 0;
  padding-left: 13px;
  border-left: 2px solid rgba(178, 106, 69, 0.55);
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--char);
}

.page-faq .faq-item__a a {
  color: var(--deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 联系块 */
.page-faq .faq-contact {
  display: grid;
  gap: 12px;
  margin-top: 20px;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(30, 59, 49, 0.92), rgba(16, 19, 20, 0.94));
}

.page-faq .faq-contact__row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-contact__label {
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cold);
}

.page-faq .faq-contact__value {
  font-size: 16px;
  color: var(--cyan);
  text-decoration: none;
  word-break: break-word;
}

.page-faq .faq-contact__value:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-contact__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(243, 237, 226, 0.78);
}

.page-faq .faq-contact__btn {
  justify-self: start;
  margin-top: 4px;
}

@media (prefers-reduced-motion: no-preference) {
  .page-faq .faq-item[open] .faq-item__a {
    animation: faq-answer-in 0.24s ease-out;
  }
}

@keyframes faq-answer-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 平板与桌面 */
@media (min-width: 760px) {
  .page-faq .faq-tools__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
  }

  .page-faq .faq-tools__meta {
    flex: 0 0 auto;
    text-align: right;
  }

  .page-faq .faq-contact__row {
    flex-direction: row;
    align-items: baseline;
    gap: 14px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 262px) minmax(0, 1fr);
    align-items: start;
    gap: clamp(28px, 4vw, 52px);
  }

  .page-faq .faq-index__list {
    display: block;
    overflow: visible;
    padding: 0;
    border-top: 1px solid var(--line);
  }

  .page-faq .faq-index__list > li + li {
    border-top: 1px solid var(--line);
  }

  .page-faq .faq-index__link {
    justify-content: flex-start;
    padding: 13px 4px;
    border: 0;
    border-radius: 0;
    background: transparent;
    white-space: normal;
    font-size: 15px;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    background: transparent;
    padding-left: 12px;
    border-left: 2px solid var(--cyan);
  }

  .page-faq .faq-index__text {
    flex: 1 1 auto;
  }

  .page-faq .faq-index__count {
    margin-left: auto;
  }

  .page-faq .faq-index__note {
    display: block;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-faq .faq-group__head {
    grid-template-columns: auto 1fr;
    gap: 8px 16px;
  }

  .page-faq .faq-group__desc {
    grid-column: 2 / 3;
    margin-top: 2px;
    font-size: 15px;
  }

  .page-faq .faq-item__q {
    padding: 18px 18px;
    gap: 16px;
  }

  .page-faq .faq-item__text {
    font-size: 17px;
  }

  .page-faq .faq-item__a {
    padding: 0 18px 20px 18px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  }

  .page-faq .faq-figure {
    margin-bottom: 22px;
  }
}
<<<END>>>