.page-faq {
  --faq-pad-y: clamp(44px, 6vw, 84px);
  --faq-gap: clamp(18px, 2.6vw, 32px);
  --faq-body-indent: 26px;
  background: var(--ink);
  color: var(--paper);
}

.page-faq .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-faq .faq-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 216, 192, .45);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(72px, 10vw, 132px);
  padding-bottom: clamp(24px, 3.6vw, 44px);
  background:
    radial-gradient(58% 88% at 90% -12%, rgba(200, 255, 77, .16), transparent 70%),
    radial-gradient(52% 82% at 4% 112%, rgba(79, 216, 192, .10), transparent 72%),
    var(--ink);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -8%;
  right: -8%;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--lime), var(--cyan), transparent);
  opacity: .45;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(18px, 3vw, 34px);
}

.page-faq .faq-hero__code {
  font-size: var(--fs-xs);
  letter-spacing: .06em;
  color: var(--lime);
  text-transform: uppercase;
  transform: skewX(-8deg);
  transform-origin: left bottom;
  margin-bottom: 14px;
}

.page-faq .faq-hero__title {
  font-size: clamp(34px, 8.6vw, 72px);
  font-weight: 900;
  line-height: .98;
  letter-spacing: -.03em;
  margin: 0 0 18px;
}

.page-faq .faq-hero__title em {
  font-style: normal;
  color: var(--lime);
}

.page-faq .faq-hero__lede {
  max-width: 34em;
  color: var(--mute);
  font-size: var(--fs-sm);
  line-height: 1.8;
}

.page-faq .faq-hero__aside {
  padding: clamp(16px, 3vw, 24px);
  border: 1px solid var(--line);
  background: rgba(18, 54, 44, .55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transform: rotate(-1.2deg);
}

.page-faq .faq-hero__aside-title {
  font-size: var(--fs-xs);
  letter-spacing: .12em;
  color: var(--mute);
  margin-bottom: 12px;
}

.page-faq .faq-quick {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-quick__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 6px;
  color: var(--paper);
  text-decoration: none;
  font-size: var(--fs-sm);
  border-left: 2px solid transparent;
  transition: border-color .18s var(--ease), background-color .18s var(--ease), color .18s var(--ease);
}

.page-faq .faq-quick__item:hover,
.page-faq .faq-quick__item:focus-visible {
  border-left-color: var(--orange);
  background: rgba(255, 107, 44, .08);
  color: var(--lime);
}

.page-faq .faq-quick__num {
  font-size: var(--fs-xs);
  color: var(--cyan);
}

.page-faq .faq-hero__strip {
  margin-top: clamp(24px, 4vw, 40px);
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-xs);
  color: var(--mute);
}

.page-faq .faq-hero__strip b {
  color: var(--lime);
  font-weight: 600;
}

/* ---------- 三步排查 ---------- */
.page-faq .faq-steps {
  padding: var(--faq-pad-y) 0;
  background: var(--ink-2);
}

.page-faq .faq-steps__head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-steps__head .section-title {
  font-size: clamp(22px, 4vw, 34px);
  font-weight: 900;
  letter-spacing: -.02em;
  margin-top: 8px;
}

.page-faq .faq-steps__grid {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-faq .step {
  position: relative;
  padding: 20px 18px 22px;
  background: var(--layer);
  border-left: 2px solid var(--line);
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-faq .step:hover {
  border-left-color: var(--lime);
  background: #143a2f;
}

.page-faq .step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 58px;
  height: 2px;
  background: linear-gradient(90deg, var(--lime), transparent);
  transform: skewX(-24deg);
  transform-origin: left;
}

.page-faq .step:nth-of-type(2)::before {
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.page-faq .step:nth-of-type(3)::before {
  background: linear-gradient(90deg, var(--orange), transparent);
}

.page-faq .step__num {
  font-size: var(--fs-xl);
  line-height: 1;
  color: var(--lime);
  letter-spacing: .02em;
}

.page-faq .step:nth-of-type(2) .step__num {
  color: var(--cyan);
}

.page-faq .step:nth-of-type(3) .step__num {
  color: var(--orange);
}

.page-faq .step__title {
  margin: 10px 0 8px;
  font-size: var(--fs-lg);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.25;
}

.page-faq .step__text {
  color: var(--mute);
  font-size: var(--fs-sm);
  line-height: 1.75;
}

.page-faq .step__check {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  line-height: 1.6;
  color: var(--cyan);
}

.page-faq .faq-steps__media {
  margin: 0;
  position: relative;
  min-height: 160px;
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-steps__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .6;
  filter: saturate(.8);
}

/* ---------- 主体：索引 + 折叠 ---------- */
.page-faq .faq-body {
  padding: var(--faq-pad-y) 0 calc(var(--faq-pad-y) + 12px);
}

.page-faq .faq-body__grid {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

.page-faq .faq-index__label {
  font-size: var(--fs-xs);
  letter-spacing: .14em;
  color: var(--mute);
  margin-bottom: 12px;
}

.page-faq .faq-index__nav {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index__link {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  color: var(--paper);
  text-decoration: none;
  font-size: var(--fs-sm);
  line-height: 1.3;
  border-bottom: 2px solid transparent;
  background: var(--ink-2);
  transition: border-color .18s var(--ease), color .18s var(--ease), background-color .18s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-bottom-color: var(--orange);
  color: var(--lime);
  background: rgba(255, 107, 44, .08);
}

.page-faq .faq-index__num {
  font-size: var(--fs-xs);
  color: var(--cyan);
}

/* 分组 */
.page-faq .faq-group {
  padding-top: clamp(22px, 3vw, 32px);
}

.page-faq .faq-group + .faq-group,
.page-faq .faq-group + .faq-assist {
  margin-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-group:target .faq-group__title {
  color: var(--lime);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  margin-bottom: 6px;
}

.page-faq .faq-group__icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  color: var(--lime);
  background: rgba(18, 54, 44, .6);
}

.page-faq .faq-group__title {
  font-size: clamp(19px, 3vw, 26px);
  font-weight: 900;
  letter-spacing: -.01em;
  line-height: 1.2;
  margin: 0;
}

.page-faq .faq-group__meta {
  margin-top: 4px;
  font-size: var(--fs-xs);
  color: var(--mute);
  letter-spacing: .04em;
}

/* 折叠面板 */
.page-faq .faq-q {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-q__sum {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr) 14px;
  align-items: start;
  gap: 14px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  transition: color .18s var(--ease);
}

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

.page-faq .faq-q__sum::marker {
  content: "";
}

.page-faq .faq-q__sum:hover .faq-q__q,
.page-faq .faq-q__sum:focus-visible .faq-q__q {
  color: var(--lime);
}

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

.page-faq .faq-q__dot {
  width: 10px;
  height: 10px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--mute);
}

.page-faq .faq-q__dot--done {
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(200, 255, 77, .16);
}

.page-faq .faq-q__dot--queued {
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(79, 216, 192, .16);
}

.page-faq .faq-q__dot--watch {
  background: var(--mute);
  box-shadow: 0 0 0 3px rgba(147, 164, 157, .16);
}

.page-faq .faq-q__dot--alert {
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 107, 44, .18);
}

.page-faq .faq-q__q {
  font-size: var(--fs-base);
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
  transition: color .18s var(--ease);
}

.page-faq .faq-q__mark {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 6px;
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  background: var(--lime);
  transition: transform .2s var(--ease), opacity .2s var(--ease);
}

.page-faq .faq-q__mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .faq-q__mark::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-faq .faq-q[open] .faq-q__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-q__body {
  padding: 0 0 20px var(--faq-body-indent);
  max-width: 36em;
  color: var(--mute);
  font-size: var(--fs-sm);
  line-height: 1.8;
}

.page-faq .faq-q__body p + p {
  margin-top: 10px;
}

/* 场馆通栏图 */
.page-faq .faq-venue-band {
  margin: 0 0 clamp(18px, 3vw, 28px);
  position: relative;
  overflow: hidden;
}

.page-faq .faq-venue-band img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: .78;
  clip-path: polygon(0 0, 100% 5%, 100% 100%, 0 95%);
}

/* ---------- 人工协助 ---------- */
.page-faq .faq-assist {
  padding-top: clamp(26px, 4vw, 40px);
  margin-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-assist__grid {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
  margin-top: clamp(18px, 3vw, 26px);
}

.page-faq .faq-assist__col {
  padding: clamp(16px, 2.6vw, 24px);
  background: var(--ink-2);
  border-left: 2px solid var(--line);
}

.page-faq .faq-assist__title {
  font-size: var(--fs-base);
  font-weight: 800;
  letter-spacing: -.01em;
  margin: 0 0 14px;
}

.page-faq .faq-prep {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .faq-prep__item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: var(--paper);
}

.page-faq .faq-prep__item .mono {
  font-size: var(--fs-xs);
  color: var(--orange);
  padding-top: 2px;
}

.page-faq .faq-assist__note {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: var(--fs-xs);
  line-height: 1.7;
  color: var(--mute);
}

.page-faq .faq-contact__list {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 3px;
}

.page-faq .faq-contact__k {
  font-size: var(--fs-xs);
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-faq .faq-contact__v {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-faq .faq-assist__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-steps__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-steps__media {
    grid-column: 1 / -1;
    min-height: 200px;
    max-height: 260px;
  }

  .page-faq .faq-assist__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-faq .faq-hero__aside {
    margin-bottom: 8px;
  }

  .page-faq .faq-steps__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(200px, 260px);
    align-items: stretch;
  }

  .page-faq .faq-steps__media {
    grid-column: auto;
    max-height: none;
  }

  .page-faq .faq-body__grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: clamp(24px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .faq-index__nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-faq .faq-index__link {
    margin-left: -1px;
    background: transparent;
    border-bottom: none;
    border-left: 2px solid transparent;
    padding: 10px 12px;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--orange);
    border-bottom-color: transparent;
    background: rgba(255, 107, 44, .07);
    color: var(--lime);
  }

  .page-faq .faq-q__q {
    font-size: var(--fs-lg);
  }

  .page-faq .faq-q__sum {
    padding: 20px 0;
  }

  .page-faq .faq-assist__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: clamp(24px, 4vw, 40px);
  }

  .page-faq .faq-venue-band img {
    max-height: 340px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-q__q {
    max-width: 32em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick__item,
  .page-faq .step,
  .page-faq .faq-q__sum,
  .page-faq .faq-q__q,
  .page-faq .faq-q__mark::before,
  .page-faq .faq-q__mark::after,
  .page-faq .faq-index__link {
    transition: none;
  }

  .page-faq .faq-hero__aside {
    transform: none;
  }

  .page-faq .faq-hero__code {
    transform: none;
  }
}
<<<END>>>