.page-faq {
  --faq-line: rgba(30, 74, 138, .55);
  --faq-soft: rgba(18, 48, 94, .42);
  --faq-rail-line: rgba(30, 74, 138, .38);
  background: var(--navy);
  color: var(--ink);
}

/* 面包屑 */
.page-faq__crumbs {
  padding-top: 26px;
  padding-bottom: 4px;
}
.page-faq__crumbs .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--muted);
}
.page-faq__crumbs .crumbs li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--rail);
}
.page-faq__crumbs .crumbs a {
  color: var(--muted);
  text-decoration: none;
}
.page-faq__crumbs .crumbs a:hover {
  color: var(--neon-text);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 48px 0 64px;
  background:
    linear-gradient(118deg, transparent 0 54%, rgba(0, 255, 170, .07) 54% 63%, transparent 63%),
    linear-gradient(158deg, transparent 0 68%, rgba(255, 76, 41, .08) 68% 74%, transparent 74%);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -14%;
  width: 52%;
  height: 170%;
  background: linear-gradient(180deg, rgba(30, 74, 138, .55), rgba(6, 18, 41, 0) 72%);
  transform: rotate(12deg);
  pointer-events: none;
}
.page-faq .faq-hero .slash {
  top: 0;
  bottom: 0;
  left: 62%;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--neon), transparent);
  opacity: .45;
  transform: rotate(12deg);
  transform-origin: top center;
}
.page-faq .faq-hero__inner {
  position: relative;
}
.page-faq .faq-hero__title {
  margin: 18px 0 0;
  font-size: clamp(36px, 7.6vw, 96px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -.03em;
  max-width: 15ch;
}
.page-faq .faq-hero__lede {
  margin: 22px 0 0;
  max-width: 34ch;
  color: var(--muted);
  font-size: clamp(15px, 1.7vw, 20px);
  line-height: 1.8;
}
.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

/* 主体两栏 */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  padding-bottom: 60px;
}
@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
    padding-bottom: 80px;
  }
}

/* 分类轨道 */
.page-faq .faq-rail__title {
  margin: 0 0 14px;
  font-size: var(--step-13);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-faq .faq-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-faq .faq-rail__list li {
  flex: 0 0 auto;
}
.page-faq .faq-rail__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--faq-line);
  border-radius: var(--pill);
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  transition: color .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}
.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  color: var(--ink);
  border-color: var(--neon);
  background: rgba(0, 255, 170, .06);
  outline: none;
}
.page-faq .faq-rail__n {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--rail);
}
.page-faq .faq-rail__list a:hover .faq-rail__n {
  color: var(--neon);
}
@media (min-width: 1000px) {
  .page-faq .faq-rail {
    position: sticky;
    top: 116px;
  }
  .page-faq .faq-rail__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
    border-top: 1px solid var(--faq-rail-line);
  }
  .page-faq .faq-rail__list li {
    border-bottom: 1px solid var(--faq-rail-line);
  }
  .page-faq .faq-rail__list a {
    display: flex;
    width: 100%;
    padding: 15px 4px 15px 0;
    border: 0;
    border-radius: 0;
    background: none;
    font-size: 14px;
  }
  .page-faq .faq-rail__list a:hover,
  .page-faq .faq-rail__list a:focus-visible {
    background: none;
    color: var(--neon);
  }
  .page-faq .faq-rail__list a::after {
    content: "";
    flex: 1 1 auto;
    height: 1px;
    margin-left: 10px;
    background: var(--neon);
    opacity: 0;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform .32s var(--ease), opacity .32s var(--ease);
  }
  .page-faq .faq-rail__list a:hover::after,
  .page-faq .faq-rail__list a:focus-visible::after {
    opacity: 1;
    transform: scaleX(1);
  }
}

/* 问答分组 */
.page-faq .faq-flow {
  min-width: 0;
}
.page-faq .faq-group {
  margin-bottom: 68px;
  scroll-margin-top: 118px;
}
.page-faq .faq-group:last-of-type {
  margin-bottom: 48px;
}
.page-faq .faq-group__head {
  margin-bottom: 24px;
}
.page-faq .faq-group__title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  margin: 0;
  font-size: clamp(22px, 3.4vw, 40px);
  font-weight: 800;
  letter-spacing: -.015em;
  line-height: 1.15;
}
.page-faq .faq-group__num {
  font-size: clamp(28px, 4.4vw, 56px);
  line-height: .9;
  letter-spacing: -.04em;
  color: var(--rail);
}
.page-faq .faq-group__note {
  margin: 14px 0 0;
  max-width: 46ch;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}
.page-faq .faq-group__head::after {
  content: "";
  display: block;
  height: 1px;
  margin-top: 20px;
  background: linear-gradient(90deg, var(--rail), rgba(30, 74, 138, 0) 78%);
}

/* 手风琴条目 */
.page-faq .faq-list {
  border-top: 1px solid var(--faq-soft);
}
.page-faq .faq-item {
  position: relative;
  border-bottom: 1px solid var(--faq-soft);
  transition: background .3s var(--ease);
}
.page-faq .faq-item::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--rail);
  transition: background .3s var(--ease);
}
.page-faq .faq-item[open] {
  background: var(--faq-soft);
}
.page-faq .faq-item[open]::before {
  background: var(--neon);
}
.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 46px 20px 16px;
  cursor: pointer;
  list-style: none;
  position: relative;
  font-size: clamp(15px, 1.6vw, 19px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
  transition: color .25s var(--ease);
}
.page-faq .faq-item__q::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__q::marker {
  content: "";
}
.page-faq .faq-item__q::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 18px;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.page-faq .faq-item[open] .faq-item__q::after {
  transform: translateY(-30%) rotate(-135deg);
  border-color: var(--neon);
}
.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible {
  color: var(--neon-text);
  outline: none;
}
.page-faq .faq-item__q:focus-visible {
  box-shadow: inset 0 0 0 2px var(--neon);
}
.page-faq .faq-item[open] .faq-item__q {
  color: var(--neon);
}
.page-faq .faq-item__idx {
  flex: 0 0 auto;
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
  transition: color .3s var(--ease);
}
.page-faq .faq-item[open] .faq-item__idx {
  color: var(--neon);
}
.page-faq .faq-item__a {
  padding: 0 46px 24px 16px;
  max-width: 60ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
}
.page-faq .faq-item__a p {
  margin: 0 0 10px;
}
.page-faq .faq-item__a p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item__a a {
  color: var(--neon-text);
  text-decoration: none;
}

/* 图示 */
.page-faq .faq-figs {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 30px;
}
@media (min-width: 820px) {
  .page-faq .faq-figs {
    grid-template-columns: 1.4fr 1fr;
    gap: 22px;
  }
}
.page-faq .faq-figs .media-frame {
  margin: 0;
  border: 1px solid var(--faq-rail-line);
  background: var(--navy-deep);
  overflow: hidden;
}
.page-faq .faq-figs .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform .5s var(--ease);
}
.page-faq .faq-figs .media-frame:hover img {
  transform: scale(1.03);
}
.page-faq .faq-figs .media-frame__cap {
  display: block;
  padding: 10px 14px;
  border-top: 1px solid var(--faq-rail-line);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* 页尾引导 */
.page-faq .faq-cta {
  margin-bottom: 72px;
}
.page-faq .faq-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: 32px 24px;
  background: linear-gradient(122deg, rgba(18, 48, 94, .96), rgba(6, 18, 41, .96));
  border: 1px solid var(--faq-line);
}
@media (min-width: 860px) {
  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
    padding: 52px 52px;
  }
}
.page-faq .faq-cta__title {
  margin: 12px 0 0;
  font-size: clamp(22px, 3.2vw, 36px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.015em;
}
.page-faq .faq-cta__text {
  margin: 14px 0 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}
.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-faq .faq-cta__actions .btn {
  text-decoration: none;
}
.page-faq .faq-return {
  margin: 22px 0 0;
  text-align: right;
}
.page-faq .faq-return a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid var(--faq-line);
  border-radius: var(--pill);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
  text-decoration: none;
  transition: color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}
.page-faq .faq-return a:hover,
.page-faq .faq-return a:focus-visible {
  color: var(--neon);
  border-color: var(--neon);
  transform: translateY(-3px);
  outline: none;
}

@media (min-width: 1000px) {
  .page-faq .faq-hero {
    padding: 64px 0 84px;
  }
}
<<<END>>>