.page-faq {
  background: var(--surface-1);
  color: var(--white);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding-top: calc(var(--header-h) + 40px);
  background:
    radial-gradient(120% 80% at 85% 0%, rgba(31, 122, 77, 0.35) 0%, rgba(11, 31, 23, 0) 60%),
    var(--surface-1);
}

.page-faq .faq-hero__copy {
  padding-bottom: 40px;
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: 26px;
}

.page-faq .faq-hero .eyebrow {
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 10px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 20px;
  font-size: clamp(32px, 7vw, 62px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 18ch;
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 62ch;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.78;
}

.page-faq .faq-hero__banner {
  margin: 0;
  position: relative;
  overflow: hidden;
  background: var(--surface-0);
}

.page-faq .faq-hero__banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 31, 23, 0) 40%, rgba(11, 31, 23, 0.85) 100%);
  pointer-events: none;
}

.page-faq .faq-hero__banner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 1400 / 520;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - var(--cut)));
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: calc(var(--header-h) + 78px);
  }

  .page-faq .faq-hero__copy {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    column-gap: 32px;
    padding-bottom: 64px;
  }

  .page-faq .faq-hero__copy .breadcrumbs {
    grid-column: 1 / -1;
  }

  .page-faq .faq-hero__copy .eyebrow {
    grid-column: 1 / 9;
  }

  .page-faq .faq-hero__copy h1 {
    grid-column: 1 / 10;
  }

  .page-faq .faq-hero__copy .lede {
    grid-column: 5 / 12;
    margin-top: -6px;
  }
}

/* ---------- 主体双列 ---------- */

.page-faq .faq-body {
  padding-top: 48px;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--clay);
  text-transform: uppercase;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .faq-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 9px 14px;
  border: 1px solid var(--line);
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 220ms var(--ease), border-color 220ms var(--ease), background-color 220ms var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--white);
  border-color: var(--line-lime);
  background: var(--surface-2);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(190px, 3fr) minmax(0, 8fr);
    gap: 72px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h-stuck) + 28px);
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-faq .faq-index__list a {
    border: 0;
    border-left: 2px solid transparent;
    margin-left: -1px;
    padding: 10px 12px;
    white-space: normal;
  }

  .page-faq .faq-index__list a:hover,
  .page-faq .faq-index__list a:focus-visible {
    background: transparent;
    border-left-color: var(--lime);
    color: var(--white);
  }
}

/* ---------- 问答分组 ---------- */

.page-faq .faq-group {
  padding-bottom: 40px;
  margin-bottom: 44px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h-stuck) + 88px);
}

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

.page-faq .faq-group__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 20px;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 600;
  line-height: 1.25;
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--lime);
  flex: 0 0 auto;
}

/* ---------- 单条问答 ---------- */

.page-faq .faq-item {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-strong);
  margin-bottom: 10px;
  transition: background-color 280ms var(--ease), border-color 280ms var(--ease);
}

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

.page-faq .faq-item[open] {
  background: var(--surface-3);
  border-left-color: var(--lime);
  border-top-color: var(--line-lime);
  border-right-color: var(--line-lime);
  border-bottom-color: var(--line-lime);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 17px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--white);
}

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

.page-faq .faq-item > summary::after {
  content: "";
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-left: auto;
  margin-top: 6px;
  border-right: 2px solid var(--lime);
  border-bottom: 2px solid var(--lime);
  transform: rotate(45deg);
  transition: transform 280ms var(--ease);
}

.page-faq .faq-item[open] > summary::after {
  transform: rotate(-135deg);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
}

.page-faq .faq-item__a {
  padding: 0 20px 20px;
  color: var(--mist);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-faq .faq-item[open] .faq-item__a {
  animation: faq-fade 320ms var(--ease) both;
}

.page-faq .faq-item__a p {
  margin: 0 0 12px;
  max-width: 62ch;
}

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

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

.page-faq .faq-item__a a:hover {
  color: var(--lime);
}

@keyframes faq-fade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 比分条示例 ---------- */

.page-faq .faq-demo {
  margin: 16px 20px 20px;
  padding: 16px;
  background: var(--surface-1);
  border: 1px solid var(--line-ice);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-faq .faq-demo__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ice);
  text-transform: uppercase;
}

.page-faq .faq-demo .score-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--surface-2);
  border-left: 3px solid var(--turf);
}

.page-faq .faq-demo .score-strip__round {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-faq .faq-demo .score-strip__pair {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-size: 14px;
}

.page-faq .faq-demo .score-strip__nums {
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 22px;
  color: var(--lime);
}

.page-faq .faq-demo .score-strip__cards {
  display: inline-flex;
  gap: 6px;
  margin-left: auto;
}

.page-faq .card-chip {
  display: inline-block;
  width: 18px;
  height: 24px;
  border-radius: 2px;
  vertical-align: middle;
}

.page-faq .card-chip--yellow {
  background: var(--yellow);
}

.page-faq .card-chip--red {
  background: var(--red);
}

/* ---------- 章节配图 ---------- */

.page-faq .faq-figure {
  margin: 0 0 24px;
  overflow: hidden;
  background: var(--surface-0);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 900 / 520;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding: 10px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--clay);
}

/* ---------- 底部交叉入口 ---------- */

.page-faq .faq-next {
  background: var(--surface-2);
  border-top: 1px solid var(--line);
}

.page-faq .faq-next__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
  padding: 8px 0;
}

.page-faq .faq-next__copy h2 {
  margin: 0 0 10px;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 600;
  line-height: 1.25;
}

.page-faq .faq-next__copy p {
  margin: 0;
  max-width: 58ch;
  color: var(--mist);
  font-size: 15.5px;
  line-height: 1.78;
}

.page-faq .faq-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 900px) {
  .page-faq .faq-next__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
  }

  .page-faq .faq-next__actions {
    justify-content: flex-end;
  }
}

/* ---------- 动效退化 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item > summary::after,
  .page-faq .faq-index__list a {
    transition: none;
  }

  .page-faq .faq-item[open] .faq-item__a {
    animation: none;
  }
}
<<<END>>>