.page-faq {
  --faq-index-w: 232px;
  --faq-toolbar-h: 76px;
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 6vw, 84px) 0 clamp(26px, 4vw, 44px);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -70%;
  width: min(520px, 62vw);
  aspect-ratio: 1 / 1;
  background: repeating-linear-gradient(
    115deg,
    rgba(212, 160, 23, 0.16) 0 2px,
    transparent 2px 24px
  );
  transform: skewY(-9deg);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 7vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(16px, 2.2vw, 18px);
  line-height: 1.78;
  color: var(--fog);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 26px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fog);
}

.page-faq .faq-hero__meta .mono {
  padding: 5px 10px;
  border: 1px solid var(--line);
  background: rgba(14, 59, 46, 0.55);
  color: var(--gold-hi);
}

/* 粘性检索条 */
.page-faq .faq-toolbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(11, 26, 18, 0.96);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 10px 24px rgba(3, 9, 6, 0.55);
}

.page-faq .faq-toolbar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.page-faq .faq-search__input {
  flex: 1 1 220px;
  min-width: 0;
  padding: 12px 14px;
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--paper);
  background: var(--ink-950);
  border: 2px solid var(--edge);
  outline: none;
  transition: border-color var(--ease), box-shadow var(--ease);
}

.page-faq .faq-search__input::placeholder {
  color: var(--fog);
}

.page-faq .faq-search__input:focus {
  border-color: var(--lime);
  box-shadow: 0 0 0 3px rgba(124, 227, 139, 0.18);
}

.page-faq .faq-search__btn {
  flex: 0 0 auto;
  white-space: nowrap;
}

.page-faq .faq-search__status {
  flex: 1 1 100%;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
  letter-spacing: 0.04em;
}

.page-faq .faq-search__status:empty {
  display: none;
}

/* 主体分栏 */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  padding-top: clamp(28px, 4vw, 48px);
}

.page-faq .faq-index {
  border: 2px solid var(--edge);
  border-left: 5px solid var(--gold);
  background: rgba(14, 59, 46, 0.42);
  padding: 18px 18px 20px;
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-index__nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.page-faq .faq-index__link {
  flex: 0 0 auto;
  padding: 9px 14px;
  font-size: 14px;
  line-height: 1.3;
  color: var(--paper);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid var(--line-soft);
  background: rgba(8, 19, 13, 0.6);
  transition: color var(--ease), border-color var(--ease), background var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--gold-hi);
  border-color: var(--gold);
}

.page-faq .faq-index__link[data-active="true"] {
  color: var(--ink-950);
  background: var(--gold);
  border-color: var(--gold);
  font-weight: 700;
}

.page-faq .faq-index__note {
  display: none;
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog);
}

/* 章节 */
.page-faq .faq-body {
  min-width: 0;
}

.page-faq .faq-section {
  scroll-margin-top: calc(var(--faq-toolbar-h) + 24px);
  padding-bottom: clamp(28px, 4vw, 46px);
  margin-bottom: clamp(28px, 4vw, 46px);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-section:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-section h2 {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.4vw, 32px);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-section__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-faq .faq-section__intro {
  margin: 12px 0 22px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--fog);
}

/* 问答手风琴 */
.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  border: 2px solid var(--edge);
  background: rgba(14, 59, 46, 0.34);
  box-shadow: 5px 5px 0 rgba(3, 9, 6, 0.6);
  transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(212, 160, 23, 0.55);
}

.page-faq .faq-item[open] {
  border-color: var(--gold);
  background: rgba(14, 59, 46, 0.62);
  box-shadow: 6px 6px 0 rgba(212, 160, 23, 0.3);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 16px 15px 18px;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.55;
  color: var(--paper);
  list-style: none;
}

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

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -3px;
}

.page-faq .faq-item__mark {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 4px;
}

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

.page-faq .faq-item__mark::before {
  left: 0;
  top: 8px;
  width: 18px;
  height: 2px;
}

.page-faq .faq-item__mark::after {
  left: 8px;
  top: 0;
  width: 2px;
  height: 18px;
}

.page-faq .faq-item[open] .faq-item__mark::before,
.page-faq .faq-item[open] .faq-item__mark::after {
  background: var(--gold-hi);
}

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

.page-faq .faq-item__a {
  padding: 0 18px 18px;
  border-top: 1px solid var(--line-soft);
  margin-top: 0;
  padding-top: 14px;
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--fog);
}

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

.page-faq .faq-item__hint {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--gold-hi);
}

.page-faq .faq-item__a a {
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* 图片 */
.page-faq .faq-figure {
  margin: 24px 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 3px solid var(--edge);
  box-shadow: var(--shadow-hard);
  filter: saturate(0.92) contrast(1.04) brightness(0.94);
}

.page-faq .faq-figure .media-frame__caption {
  display: block;
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--fog);
  letter-spacing: 0.02em;
}

/* 快速联系 */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-faq .faq-contact__panel {
  border: 3px solid var(--gold);
  background: linear-gradient(160deg, rgba(27, 90, 71, 0.5), rgba(8, 19, 13, 0.82));
  padding: clamp(18px, 3vw, 28px);
  box-shadow: var(--shadow-gold);
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line-soft);
}

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

.page-faq .faq-contact__label {
  flex: 0 0 84px;
  margin: 0;
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-contact__value {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact__copy {
  padding: 6px 12px;
  font-size: 12.5px;
}

.page-faq .faq-contact__tip {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--fog);
}

.page-faq .faq-contact__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-contact__links a {
  font-size: 14px;
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-contact__links a:hover,
.page-faq .faq-contact__links a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-faq .faq-figure--contact {
  margin: 0;
}

/* 桌面 */
@media (min-width: 900px) {
  .page-faq {
    --faq-toolbar-h: 72px;
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    column-gap: clamp(32px, 4vw, 60px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--faq-toolbar-h) + 16px);
    padding: 22px 20px 24px;
  }

  .page-faq .faq-index__nav {
    flex-direction: column;
    overflow: visible;
    gap: 6px;
    padding-bottom: 0;
  }

  .page-faq .faq-index__link {
    white-space: normal;
    border-left: 3px solid transparent;
    border-top: 0;
    border-right: 0;
    border-bottom: 0;
    background: transparent;
    padding: 10px 12px;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--gold);
    background: rgba(8, 19, 13, 0.55);
  }

  .page-faq .faq-index__link[data-active="true"] {
    color: var(--gold-hi);
    background: rgba(8, 19, 13, 0.75);
    border-left-color: var(--gold);
    font-weight: 700;
  }

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

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-item__q {
    padding: 18px 22px 17px 24px;
  }

  .page-faq .faq-item__a {
    padding: 16px 24px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-search__input,
  .page-faq .faq-index__link {
    transition: none;
  }
}
<<<END>>>