.page-faq {
  --faq-rule: 1px solid var(--line);
  --faq-gold-line: 2px solid var(--c-gold);
}

.page-faq .display-title {
  margin: 0 0 1rem;
}

/* 首屏：对角错位色块 */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding: 1.5rem 0 3rem;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(216, 169, 59, .16) 0%, rgba(6, 48, 46, 0) 58%),
    linear-gradient(158deg, var(--c-under) 0%, var(--c-deep) 68%);
  clip-path: polygon(0 0, 100% 0, 100% 84%, 0 100%);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 1.75rem;
}

.page-faq .faq-hero__title {
  font-size: clamp(1.9rem, 7vw, 2.6rem);
  line-height: 1.24;
  letter-spacing: -.01em;
  max-width: 20ch;
}

.page-faq .faq-hero__lead {
  max-width: 46ch;
}

.page-faq .faq-hero__figure {
  border-radius: var(--r-soft);
  overflow: hidden;
  border: var(--faq-rule);
}

/* 版面骨架 */
.page-faq .faq-layout {
  display: grid;
  gap: 2.25rem;
  padding-bottom: 3.5rem;
}

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

.page-faq .faq-texture {
  position: relative;
  margin: 0 0 2.25rem;
  overflow: hidden;
  border-radius: var(--r-plate);
  border: var(--faq-rule);
  aspect-ratio: 2 / 1;
  max-height: 240px;
}

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

/* 标签页：滑动短线选中态 */
.page-faq .faq-tabs {
  margin-bottom: 2.5rem;
}

.page-faq .tabs__list {
  display: flex;
  gap: .2rem;
  overflow-x: auto;
  border-bottom: var(--faq-rule);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .tabs__tab {
  position: relative;
  flex: 0 0 auto;
  appearance: none;
  background: none;
  border: 0;
  padding: .85rem .9rem 1rem;
  font-family: var(--font-body);
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--text-muted);
  cursor: pointer;
  transition: color .3s var(--ease-tide);
}

.page-faq .tabs__tab:hover {
  color: var(--text);
}

.page-faq .tabs__tab[aria-selected="true"] {
  color: var(--c-gold-soft);
}

.page-faq .tabs__tab[aria-selected="true"]::after {
  content: "";
  position: absolute;
  left: .9rem;
  right: .9rem;
  bottom: -1px;
  height: 2px;
  background: var(--c-gold);
}

.page-faq .tabs__tab:focus-visible {
  outline: 2px solid var(--c-gold-soft);
  outline-offset: -2px;
  border-radius: 2px;
}

.page-faq .tabs__panel {
  padding-top: 1.5rem;
}

.page-faq .tabs__panel:focus-visible {
  outline: 2px solid var(--c-gold-soft);
  outline-offset: 6px;
}

.page-faq .faq-intro {
  margin: 0 0 1.25rem;
  font-size: .95rem;
  line-height: 1.9;
  color: var(--text-muted);
  max-width: 60ch;
}

/* 问答单元 */
.page-faq .faq-item {
  border-bottom: var(--faq-rule);
}

.page-faq .faq-item__q {
  position: relative;
  display: flex;
  gap: .75rem;
  padding: 1.1rem 2.2rem 1.1rem 0;
  list-style: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--text);
}

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

.page-faq .faq-item__q::before {
  content: "";
  flex: 0 0 auto;
  width: .5rem;
  height: .5rem;
  margin-top: .6rem;
  background: var(--c-gold);
  border-radius: 1px;
}

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: .35rem;
  top: 1.02rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--c-mist);
  transition: color .3s var(--ease-tide);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
  color: var(--c-gold);
}

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

.page-faq .faq-item__a {
  padding: 0 0 1.35rem 1.25rem;
  color: var(--text-muted);
  font-size: .98rem;
  line-height: 1.95;
}

.page-faq .faq-item__a p {
  margin: 0 0 .7rem;
  max-width: 62ch;
}

.page-faq .faq-item__go {
  margin: .2rem 0 0;
}

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

/* 联系区 */
.page-faq .faq-contact {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: var(--faq-rule);
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: 1.75rem;
  margin-top: 1.25rem;
}

.page-faq .faq-contact__lead p {
  margin: 0 0 .9rem;
  max-width: 58ch;
  line-height: 1.95;
}

.page-faq .faq-contact__note {
  color: var(--text-muted);
  font-size: .92rem;
}

.page-faq .faq-contact__channels {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem .9rem;
  align-items: baseline;
  font-size: .92rem;
}

.page-faq .faq-contact__key {
  display: inline-block;
  margin-right: .5rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--c-mist);
}

.page-faq .faq-contact__side {
  padding-left: 1.1rem;
  border-left: var(--faq-gold-line);
}

.page-faq .faq-contact__subtitle {
  margin: 0 0 .85rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-faq .faq-contact__list {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact__list li {
  padding: .55rem 0;
  border-bottom: var(--faq-rule);
  font-size: .92rem;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-faq .faq-contact__list li:last-child {
  border-bottom: 0;
}

.page-faq .faq-contact__source {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .02em;
  color: var(--c-mist);
}

/* 右侧细目录 */
.page-faq .faq-rail {
  display: grid;
  gap: .85rem;
  align-content: start;
}

.page-faq .faq-rail .plate {
  padding: .85rem 0 .85rem 1rem;
  border-left: var(--faq-gold-line);
}

.page-faq .faq-rail .plate__label {
  margin: 0 0 .3rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--c-mist);
}

.page-faq .faq-rail .plate__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .95rem;
  color: var(--text);
}

.page-faq .faq-rail__link {
  margin: .35rem 0 0;
}

/* 平板与桌面 */
@media (min-width: 760px) {
  .page-faq .faq-hero {
    padding: 2rem 0 4.5rem;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 2.5rem;
  }

  .page-faq .faq-hero__title {
    font-size: 2.6rem;
  }

  .page-faq .faq-texture {
    max-height: 300px;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 2.5rem;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 220px;
    gap: 3.5rem;
    align-items: start;
  }

  .page-faq .faq-hero__title {
    font-size: 3.1rem;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 6.5rem;
  }

  .page-faq .faq-contact {
    margin-top: 3.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .tabs__tab,
  .page-faq .faq-item__q::after {
    transition: none;
  }
}
<<<END>>>