.page-faq {
  --qa-rail: 104px;
  --qa-col-gap: clamp(14px, 2.2vw, 30px);
  --scene-top: 84px;
  display: block;
  padding-block: clamp(20px, 3.4vw, 38px) clamp(58px, 9vw, 116px);
  background:
    radial-gradient(118% 58% at 90% -12%, rgba(139, 92, 246, .16), transparent 62%),
    linear-gradient(180deg, rgba(92, 26, 43, .32) 0%, rgba(14, 11, 18, 0) 36%);
}

/* 面包屑 */
.page-faq .crumbs {
  margin-bottom: clamp(16px, 2.6vw, 28px);
}

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(22px, 3.4vw, 38px);
  align-items: start;
}

.page-faq .hero-copy {
  display: grid;
  gap: 16px;
  justify-items: start;
}

.page-faq .hero-tag {
  margin: 0;
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
  padding: 6px 14px 6px 11px;
  border: 1px solid var(--line);
  background: rgba(230, 178, 90, .07);
  clip-path: polygon(0 0, 100% 0, 100% 62%, calc(100% - 12px) 100%, 0 100%);
}

.page-faq .hero-copy h1 {
  margin: 0;
  max-width: 14ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 60px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-faq .hero-copy .lede {
  margin: 0;
  max-width: 42ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--paper-78);
}

.page-faq .faq-shot {
  position: relative;
  display: block;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: var(--graphite);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-faq .faq-shot::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--violet) 56%, transparent);
}

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .faq-shot--square {
  aspect-ratio: 1 / 1;
}

/* 场景标签条 */
.page-faq .scene-bar {
  position: sticky;
  top: var(--scene-top);
  z-index: 6;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  margin: clamp(26px, 4vw, 46px) 0 clamp(10px, 2vw, 18px);
  padding: 10px 0;
  background: rgba(14, 11, 18, .94);
  border-bottom: 1px solid var(--line-soft);
  backdrop-filter: blur(8px);
}

.page-faq .scene-bar::-webkit-scrollbar {
  display: none;
}

.page-faq .scene-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 14px 7px 12px;
  font-size: 13px;
  line-height: 1;
  color: var(--paper-78);
  text-decoration: none;
  background: rgba(28, 26, 34, .78);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% 58%, calc(100% - 11px) 100%, 0 100%);
  transition:
    color var(--fast) var(--ease),
    background-color var(--fast) var(--ease),
    border-color var(--fast) var(--ease);
}

.page-faq .scene-chip .mono {
  font-size: 11px;
  color: var(--violet);
  transition: color var(--fast) var(--ease);
}

.page-faq .scene-chip:hover,
.page-faq .scene-chip:focus-visible {
  color: var(--ink);
  background: var(--gold);
  border-color: var(--gold);
}

.page-faq .scene-chip:hover .mono,
.page-faq .scene-chip:focus-visible .mono {
  color: var(--wine);
}

/* 分组标头 */
.page-faq .faq-group {
  scroll-margin-top: 168px;
  padding-block: clamp(24px, 4vw, 46px);
}

.page-faq .group-head {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 16px;
  align-items: baseline;
  margin-bottom: clamp(14px, 2.4vw, 24px);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-faq .group-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: clamp(48px, 10vw, 124px);
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--violet));
}

.page-faq .group-no {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
  padding: 3px 9px 3px 7px;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% 60%, calc(100% - 9px) 100%, 0 100%);
}

.page-faq .group-head h2 {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .group-hint {
  grid-column: 2;
  margin: 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

/* 折叠问答 */
.page-faq .qa-list {
  display: grid;
  gap: 0;
}

.page-faq .qa {
  display: block;
  border-top: 1px solid var(--line-soft);
  transition: background-color var(--mid) var(--ease);
}

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

.page-faq .qa[open] {
  background: linear-gradient(90deg, rgba(92, 26, 43, .22), rgba(28, 26, 34, .34));
}

.page-faq .qa > summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 26px;
  grid-template-areas:
    "scene mark"
    "q mark";
  gap: 8px 14px;
  padding: 18px 4px 16px;
  cursor: pointer;
  list-style: none;
  outline: none;
}

.page-faq .qa > summary::-webkit-details-marker {
  display: none;
}

.page-faq .qa > summary::marker {
  content: "";
}

.page-faq .qa-scene {
  grid-area: scene;
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gold);
  padding: 4px 10px 4px 8px;
  border: 1px solid var(--line);
  background: rgba(230, 178, 90, .06);
  clip-path: polygon(0 0, 100% 0, 100% 58%, calc(100% - 9px) 100%, 0 100%);
  transition:
    color var(--fast) var(--ease),
    background-color var(--fast) var(--ease),
    border-color var(--fast) var(--ease);
}

.page-faq .qa-q {
  grid-area: q;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.4vw, 24px);
  line-height: 1.46;
  letter-spacing: -.01em;
  color: var(--paper);
  transition: color var(--mid) var(--ease);
}

.page-faq .qa-no {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--violet);
}

.page-faq .qa-mark {
  grid-area: mark;
  justify-self: end;
  align-self: start;
  position: relative;
  width: 26px;
  height: 26px;
  border: 1px solid var(--line);
  background: rgba(230, 178, 90, .06);
  clip-path: polygon(0 0, 100% 0, 100% 62%, 64% 100%, 0 100%);
  transition:
    background-color var(--fast) var(--ease),
    border-color var(--fast) var(--ease);
}

.page-faq .qa-mark::before,
.page-faq .qa-mark::after {
  content: "";
  position: absolute;
  left: 6px;
  right: 6px;
  top: 50%;
  height: 1.5px;
  background: var(--gold);
  transform: translateY(-50%);
  transition:
    transform var(--mid) var(--ease),
    opacity var(--mid) var(--ease),
    background-color var(--fast) var(--ease);
}

.page-faq .qa-mark::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .qa[open] .qa-mark {
  border-color: var(--neon);
  background: rgba(56, 225, 200, .12);
}

.page-faq .qa[open] .qa-mark::after {
  transform: translateY(-50%) rotate(0deg);
  opacity: 0;
}

.page-faq .qa[open] .qa-mark::before,
.page-faq .qa[open] .qa-mark::after {
  background: var(--neon);
}

.page-faq .qa > summary:hover .qa-q,
.page-faq .qa > summary:focus-visible .qa-q {
  color: var(--gold);
}

.page-faq .qa > summary:hover .qa-scene,
.page-faq .qa > summary:focus-visible .qa-scene {
  color: var(--ink);
  background: var(--neon);
  border-color: var(--neon);
}

/* 答复 */
.page-faq .qa-answer {
  display: grid;
  gap: 10px;
  padding: 0 4px 20px;
}

.page-faq .qa-answer p {
  margin: 0;
  max-width: 42ch;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--paper-78);
}

.page-faq .qa-answer .qa-fit {
  padding-left: 12px;
  max-width: 40ch;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
  border-left: 2px solid var(--copper);
}

.page-faq .qa-answer a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 225, 200, .42);
  transition: border-color var(--fast) var(--ease), color var(--fast) var(--ease);
}

.page-faq .qa-answer a:hover,
.page-faq .qa-answer a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* 组间配图 */
.page-faq .faq-figure {
  display: grid;
  gap: 10px;
  max-width: 420px;
  margin: clamp(30px, 5vw, 56px) 0;
}

.page-faq .faq-figure figcaption {
  padding-left: 12px;
  font-size: 13px;
  line-height: 1.72;
  color: var(--mist);
  border-left: 2px solid var(--copper);
}

/* 收尾引导 */
.page-faq .faq-cta {
  margin-top: clamp(34px, 5vw, 62px);
  padding: clamp(24px, 4vw, 42px) clamp(20px, 3.4vw, 42px);
  display: grid;
  gap: 14px;
  justify-items: start;
  background:
    linear-gradient(135deg, rgba(92, 26, 43, .78), rgba(28, 26, 34, .92) 64%),
    var(--graphite);
}

.page-faq .cta-kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--neon);
}

.page-faq .faq-cta h2 {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .faq-cta p {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-78);
}

.page-faq .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

/* 桌面端：问题在左列，答复错位到右列 */
@media (min-width: 880px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    gap: clamp(30px, 4.4vw, 62px);
  }

  .page-faq .faq-hero .faq-shot {
    margin-top: 14px;
  }

  .page-faq .qa > summary {
    grid-template-columns: var(--qa-rail) minmax(0, 1fr) 26px;
    grid-template-areas: "scene q mark";
    gap: 0 var(--qa-col-gap);
    padding: 24px 0 22px;
    align-items: start;
  }

  .page-faq .qa-answer {
    margin-left: calc(var(--qa-rail) + var(--qa-col-gap));
    padding: 0 clamp(12px, 2vw, 28px) 26px;
    border-left: 1px solid var(--line-soft);
  }

  .page-faq .qa > summary:hover .qa-q {
    color: var(--paper-86);
  }

  .page-faq .faq-figure {
    max-width: 460px;
    margin-left: auto;
    margin-right: clamp(0px, 5vw, 72px);
  }
}

@media (min-width: 1120px) {
  .page-faq {
    --qa-rail: 118px;
  }

  .page-faq .faq-group {
    padding-block: clamp(30px, 4vw, 56px);
  }
}
<<<END>>>