.page-faq {
  --faq-idx: 264px;
  --faq-focus: 0 0 0 2px rgba(61, 245, 255, .85);
  padding-block: clamp(18px, 3.5vw, 38px) clamp(44px, 7vw, 88px);
  background:
    radial-gradient(880px 420px at 92% -10%, rgba(193, 59, 255, .16), transparent 66%),
    radial-gradient(680px 360px at 4% 0%, rgba(61, 245, 255, .09), transparent 62%);
}

.page-faq a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 245, 255, .35);
}

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

.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(10, 23, 48, .96), rgba(5, 11, 26, .92) 60%, rgba(27, 20, 64, .88));
  padding: clamp(20px, 4vw, 44px);
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(transparent 95%, rgba(16, 42, 67, .9) 95%),
    linear-gradient(90deg, transparent 95%, rgba(16, 42, 67, .9) 95%);
  background-size: 46px 46px;
  opacity: .55;
  -webkit-mask-image: linear-gradient(118deg, #000 26%, transparent 76%);
  mask-image: linear-gradient(118deg, #000 26%, transparent 76%);
}

.page-faq .faq-hero > * {
  position: relative;
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--muted);
  margin-bottom: clamp(16px, 3vw, 26px);
}

.page-faq .breadcrumb .breadcrumb__link,
.page-faq .breadcrumb .breadcrumb__current {
  color: var(--muted);
  border-bottom: 0;
}

.page-faq .breadcrumb .breadcrumb__link:hover {
  color: var(--cyan);
}

.page-faq .breadcrumb .breadcrumb__sep {
  color: var(--orange);
}

.page-faq .faq-hero__kicker {
  margin: 0;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .3em;
  color: var(--orange);
  text-transform: uppercase;
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-size: clamp(1.55rem, 4.6vw, 2.85rem);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -.012em;
  color: var(--text);
  max-width: 24ch;
}

.page-faq .faq-hero__lede {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: clamp(.94rem, 1.6vw, 1.03rem);
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(22px, 4vw, 32px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-faq .faq-hero__stats li {
  background: rgba(5, 11, 26, .88);
  padding: 13px 15px;
}

.page-faq .faq-stat__num {
  display: block;
  font-family: var(--mono);
  font-size: clamp(1.05rem, 2.4vw, 1.42rem);
  line-height: 1.25;
  color: var(--cyan);
  letter-spacing: -.02em;
}

.page-faq .faq-stat__label {
  display: block;
  margin-top: 5px;
  font-size: .76rem;
  line-height: 1.5;
  color: var(--muted);
}

.page-faq .faq-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(20px, 3.5vw, 28px);
}

.page-faq .faq-quick__link {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(10, 23, 48, .78);
  color: var(--text);
  font-size: .82rem;
  line-height: 1.4;
  transition: transform .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-quick__link:hover,
.page-faq .faq-quick__link:focus-visible {
  transform: translateY(-1px);
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ---------- 主栅格 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 42px);
}

.page-faq .faq-index {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(178deg, rgba(14, 42, 51, .92), rgba(5, 11, 26, .94));
  padding: 16px 14px;
}

.page-faq .faq-index__label {
  margin: 0 0 12px;
  padding-left: 10px;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .26em;
  color: var(--orange);
  text-transform: uppercase;
}

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

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 10px;
  border-bottom: 0;
  border-left: 2px solid transparent;
  color: var(--text);
  font-size: .88rem;
  line-height: 1.5;
  transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: rgba(61, 245, 255, .07);
  border-left-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .faq-index__num {
  flex: none;
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--muted);
}

.page-faq .faq-index__foot {
  margin: 14px 0 0;
  padding: 12px 10px 0;
  border-top: 1px solid var(--line);
  font-size: .78rem;
  line-height: 1.65;
  color: var(--muted);
}

.page-faq .faq-index__foot a {
  border-bottom: 1px solid rgba(61, 245, 255, .35);
}

/* ---------- 问答章节 ---------- */
.page-faq .faq-block {
  border-top: 1px solid var(--line);
  padding-top: clamp(18px, 3vw, 26px);
  margin-top: clamp(28px, 4vw, 44px);
  scroll-margin-top: 112px;
}

.page-faq .faq-main > .faq-block:first-child {
  margin-top: 0;
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-block__head {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.page-faq .faq-block__num {
  flex: none;
  padding: 5px 8px;
  border-radius: var(--radius);
  background: var(--orange);
  color: var(--ink);
  font-family: var(--mono);
  font-size: .76rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: .04em;
}

.page-faq .faq-block__head h2 {
  margin: 0;
  font-size: clamp(1.12rem, 2.6vw, 1.5rem);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.35;
  color: var(--text);
}

.page-faq .faq-block__head p {
  margin: 6px 0 0;
  font-size: .87rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  margin-bottom: 11px;
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-item:hover {
  transform: translateY(-1px);
  border-color: rgba(61, 245, 255, .4);
}

.page-faq .faq-item[open] {
  border-color: rgba(61, 245, 255, .32);
  background: linear-gradient(180deg, rgba(10, 23, 48, 1), rgba(5, 11, 26, .96));
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 17px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(.94rem, 1.7vw, 1.02rem);
  font-weight: 700;
  line-height: 1.6;
  color: var(--text);
}

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

.page-faq .faq-item > summary::before {
  content: "";
  flex: none;
  width: 12px;
  height: 12px;
  margin-top: .48em;
  background:
    linear-gradient(var(--cyan), var(--cyan)) center / 12px 2px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) center / 2px 12px no-repeat;
  transition: transform .22s var(--ease), opacity .22s var(--ease);
}

.page-faq .faq-item[open] > summary::before {
  transform: rotate(90deg);
  opacity: .5;
}

.page-faq .faq-item__a {
  padding: 0 17px 17px 41px;
  font-size: .91rem;
  line-height: 1.85;
  color: var(--muted);
}

.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 strong {
  color: var(--text);
  font-weight: 700;
}

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 14px 0 0;
  padding: 0;
}

.page-faq .faq-steps li {
  position: relative;
  counter-increment: faqstep;
  padding: 0 0 18px 40px;
}

.page-faq .faq-steps li:last-child {
  padding-bottom: 0;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  width: 27px;
  height: 27px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(61, 245, 255, .45);
  border-radius: var(--radius);
  background: rgba(61, 245, 255, .08);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: .7rem;
  line-height: 1;
}

.page-faq .faq-steps li::after {
  content: "";
  position: absolute;
  left: 13px;
  top: 32px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(var(--line), transparent);
}

.page-faq .faq-steps li:last-child::after {
  display: none;
}

.page-faq .faq-steps strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
  font-size: .93rem;
}

.page-faq .faq-steps p {
  margin: 0;
  font-size: .87rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 列表与旁注 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-list li {
  position: relative;
  padding-left: 16px;
  font-size: .89rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 7px;
  height: 1px;
  background: var(--orange);
}

.page-faq .faq-list li strong {
  color: var(--text);
}

.page-faq .faq-note {
  margin: 16px 0 0;
  padding: 11px 14px;
  border-left: 2px solid var(--orange);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(255, 122, 26, .07);
  font-size: .83rem;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 16px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-figure figcaption {
  padding: 11px 16px;
  font-size: .79rem;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 联系方式 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  overflow: hidden;
}

.page-faq .faq-contact__cell {
  padding: 15px 16px;
  background: linear-gradient(178deg, rgba(27, 20, 64, .96), rgba(10, 23, 48, .96));
}

.page-faq .faq-contact__key {
  display: block;
  margin-bottom: 6px;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .18em;
  color: var(--orange);
  text-transform: uppercase;
}

.page-faq .faq-contact__val {
  display: block;
  font-size: .91rem;
  line-height: 1.65;
  color: var(--text);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-faq .faq-contact__body {
  margin-top: 16px;
  padding: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-index__nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 960px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-idx) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 108px;
    padding: 20px 16px;
  }

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

  .page-faq .faq-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 559px) {
  .page-faq .faq-item__a {
    padding-left: 17px;
  }

  .page-faq .faq-hero__stats li {
    padding: 12px 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item > summary::before,
  .page-faq .faq-quick__link,
  .page-faq .faq-index__link {
    transition: none;
  }

  .page-faq .faq-item:hover,
  .page-faq .faq-quick__link:hover {
    transform: none;
  }
}
<<<END>>>