.page-faq {
  --faq-rail-w: 208px;
  --faq-gap: 56px;
  padding-bottom: 96px;
}

.page-faq .faq-wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 32px 0 48px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 140% at 92% -10%, #FF4B1F1A 0%, transparent 58%),
    linear-gradient(180deg, #0A1020 0%, #0C1526 100%);
}

.page-faq .faq-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-12);
  font-family: var(--mono);
  letter-spacing: 0.04em;
  color: var(--dim);
  margin-bottom: 22px;
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumb a:hover {
  color: var(--signal);
}

.page-faq .faq-hero .eyebrow {
  font-family: var(--mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin: 0 0 14px;
  text-transform: uppercase;
}

.page-faq .faq-hero-title {
  margin: 0;
  font-size: clamp(2rem, 5.4vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--fog);
  max-width: 15em;
}

.page-faq .faq-hero-title::after {
  content: "";
  display: block;
  width: 64px;
  height: 4px;
  margin-top: 22px;
  background: var(--signal);
  transform: rotate(-6deg);
  transform-origin: left center;
}

.page-faq .faq-hero-lead {
  margin: 26px 0 0;
  max-width: 44em;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-quickjump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 30px;
}

.page-faq .faq-quickjump a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  color: var(--muted);
  text-decoration: none;
  font-size: var(--fs-12);
  letter-spacing: 0.02em;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-quickjump a:hover {
  color: var(--fog);
  border-color: var(--signal);
  background: var(--signal-soft);
}

.page-faq .faq-qj-num {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--signal);
}

/* ---------- 两栏布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-top: 44px;
}

.page-faq .faq-rail {
  display: none;
}

.page-faq .faq-rail-title {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--dim);
}

.page-faq .faq-anchor {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 6px 12px;
  border-left: 2px solid var(--line);
  color: var(--muted);
  text-decoration: none;
  font-size: var(--fs-12);
  line-height: 1.4;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-anchor:hover,
.page-faq .faq-anchor.is-active {
  color: var(--fog);
  border-left-color: var(--signal);
  background: var(--signal-soft);
}

.page-faq .faq-anchor-num {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--signal);
}

/* ---------- 分组公共 ---------- */
.page-faq .faq-group {
  position: relative;
  scroll-margin-top: calc(var(--header-min) + 24px);
}

.page-faq .faq-group + .faq-group {
  margin-top: 56px;
}

.page-faq .faq-group + .faq-group::before {
  content: "";
  position: absolute;
  top: -30px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--line) 0%, var(--line) 62%, transparent 100%);
  transform: rotate(-0.9deg);
  transform-origin: left center;
}

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 6px;
  padding-bottom: 20px;
}

.page-faq .faq-group-num {
  grid-row: 1 / span 2;
  padding-top: 4px;
  font-family: var(--mono);
  font-size: var(--fs-12);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--signal);
}

.page-faq .faq-group-title {
  grid-column: 2;
  margin: 0;
  font-size: var(--fs-20);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-faq .faq-group-lead {
  grid-column: 2;
  margin: 0;
  max-width: 58ch;
  font-size: var(--fs-16);
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 22px;
  position: relative;
}

.page-faq .faq-figure-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  max-width: 100%;
  border-radius: var(--r-sm);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), 0 100%);
}

.page-faq .faq-figure .frame-cap {
  display: block;
  margin-top: 10px;
  font-size: var(--fs-12);
  color: var(--dim);
  letter-spacing: 0.02em;
}

/* ---------- 检索行 ---------- */
.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-search-label {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--dim);
}

.page-faq .faq-search-input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 6px 0;
  border: 0;
  background: transparent;
  color: var(--fog);
  font-family: var(--sans);
  font-size: var(--fs-16);
}

.page-faq .faq-search-input::placeholder {
  color: var(--dim);
}

.page-faq .faq-search-input:focus {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: 2px;
}

.page-faq .faq-search-count {
  flex: 0 0 auto;
  min-width: 3ch;
  text-align: right;
  font-family: var(--mono);
  font-size: var(--fs-12);
  color: var(--cyan);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  position: relative;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  background: transparent;
  transition: background .2s var(--ease);
}

.page-faq .faq-item[open]::before {
  background: var(--signal);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
  padding: 16px 12px 16px 20px;
  cursor: pointer;
  list-style: none;
  color: var(--fog);
  font-size: var(--fs-16);
  font-weight: 600;
  line-height: 1.55;
  transition: color .2s var(--ease), background .2s var(--ease);
}

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

.page-faq .faq-q:hover {
  background: var(--signal-soft);
}

.page-faq .faq-item[open] .faq-q {
  padding-left: 24px;
}

.page-faq .faq-q-icon {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 5px;
}

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

.page-faq .faq-q-icon::before {
  top: 7px;
  left: 0;
  width: 16px;
  height: 2px;
}

.page-faq .faq-q-icon::after {
  top: 0;
  left: 7px;
  width: 2px;
  height: 16px;
}

.page-faq .faq-item[open] .faq-q-icon::after {
  transform: rotate(90deg);
}

.page-faq .faq-item[open] .faq-q-icon::before,
.page-faq .faq-item[open] .faq-q-icon::after {
  background: var(--signal);
}

.page-faq .faq-a {
  padding: 2px 12px 22px 24px;
  color: var(--muted);
  font-size: var(--fs-16);
  line-height: 1.75;
}

.page-faq .faq-a p {
  margin: 0 0 10px;
  max-width: 60ch;
}

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

.page-faq .faq-a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid #35E3D255;
}

.page-faq .faq-a a:hover {
  border-bottom-color: var(--cyan);
}

.page-faq .faq-a .hl {
  display: inline;
  padding: 1px 6px;
  background: var(--mist);
  color: var(--ink);
  border-radius: 2px;
  font-weight: 600;
  font-style: normal;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.page-faq .faq-empty {
  margin: 20px 0 0;
  padding: 18px 20px;
  background: var(--panel);
  border-left: 3px solid var(--signal);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  color: var(--muted);
  font-size: var(--fs-16);
  line-height: 1.7;
}

/* ---------- 联系组 ---------- */
.page-faq .faq-contact {
  padding: 32px 22px 30px;
  background: var(--panel);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-faq .faq-contact::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--signal) 0%, var(--cyan) 100%);
}

.page-faq .faq-contact .faq-group + .faq-group::before {
  display: none;
}

.page-faq .faq-contact-body {
  padding-top: 4px;
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact-list li {
  position: relative;
  padding-left: 20px;
  color: var(--muted);
  font-size: var(--fs-16);
  line-height: 1.7;
}

.page-faq .faq-contact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}

.page-faq .faq-contact-lines {
  display: grid;
  gap: 10px;
  padding: 20px;
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
}

.page-faq .faq-contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.6;
  color: var(--fog);
}

.page-faq .faq-contact-k {
  flex: 0 0 auto;
  min-width: 4.5em;
  font-family: var(--mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--dim);
}

.page-faq .faq-contact-note {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: var(--fs-16);
  line-height: 1.75;
}

.page-faq .faq-contact-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid #35E3D255;
}

.page-faq .faq-contact-note a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-wrap {
    padding: 0 32px;
  }

  .page-faq .faq-hero {
    padding: 44px 0 56px;
  }

  .page-faq .faq-contact {
    padding: 40px 36px 36px;
  }

  .page-faq .faq-contact-lines {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 24px;
  }

  .page-faq .faq-contact-line {
    flex-direction: column;
    gap: 4px;
  }
}

/* ---------- 桌面：左栏粘性目录 ---------- */
@media (min-width: 960px) {
  .page-faq {
    padding-bottom: 120px;
  }

  .page-faq .faq-hero {
    padding: 56px 0 64px;
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: var(--faq-gap);
    padding-top: 56px;
  }

  .page-faq .faq-rail {
    display: block;
    position: sticky;
    top: calc(var(--header-min) + 28px);
    align-self: start;
  }

  .page-faq .faq-rail::before {
    content: "";
    display: block;
    width: 48px;
    height: 3px;
    margin-bottom: 22px;
    background: var(--signal);
    transform: rotate(-6deg);
    transform-origin: left center;
  }

  .page-faq .faq-group + .faq-group {
    margin-top: 68px;
  }

  .page-faq .faq-group + .faq-group::before {
    top: -36px;
  }

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

  .page-faq .faq-figure--inline {
    max-width: 720px;
  }
}

@media (min-width: 1200px) {
  .page-faq {
    --faq-rail-w: 232px;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero-title::after,
  .page-faq .faq-rail::before,
  .page-faq .faq-group + .faq-group::before {
    transform: none;
  }

  .page-faq .faq-q,
  .page-faq .faq-q-icon::before,
  .page-faq .faq-q-icon::after,
  .page-faq .faq-anchor,
  .page-faq .faq-quickjump a {
    transition: none;
  }
}
<<<END>>>