.page-faq {
  --faq-sticky: calc(var(--header-h) + 22px);
  color: var(--ink);
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 24px 0 46px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(760px 380px at 6% -18%, var(--blue-soft), transparent 68%),
    radial-gradient(640px 340px at 98% 2%, var(--green-soft), transparent 62%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(199, 204, 214, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(199, 204, 214, 0.045) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: radial-gradient(78% 68% at 46% 0%, #000 0%, transparent 100%);
  mask-image: radial-gradient(78% 68% at 46% 0%, #000 0%, transparent 100%);
}

.page-faq .faq-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumbs {
  margin: 0 0 4px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 28px;
  margin-top: 20px;
}

.page-faq .faq-hero h1 {
  margin: 16px 0 0;
  font-size: clamp(1.9rem, 6.4vw, 3.25rem);
  line-height: 1.1;
  font-weight: 300;
  letter-spacing: -0.022em;
  color: var(--white);
  max-width: 20ch;
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--silver);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin-top: 24px;
}

.page-faq .faq-hero__tag {
  padding: 5px 10px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--silver);
  white-space: nowrap;
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-hero__figure .figure__media {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

@media (min-width: 1000px) {
  .page-faq .faq-hero {
    padding: 30px 0 64px;
  }
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 1fr);
    align-items: end;
    gap: 56px;
    margin-top: 32px;
  }
}

/* ============ 主体两栏 ============ */
.page-faq .faq-body {
  display: grid;
  gap: 34px;
  padding: 44px 0 80px;
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: 246px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    padding: 60px 0 96px;
  }
}

/* ============ 左侧问题索引 ============ */
.page-faq .faq-index {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 16px 14px 14px;
}

.page-faq .faq-index__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 8px;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px;
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--silver);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-index__list a:hover {
  color: var(--white);
  background: var(--panel-raised);
  border-left-color: var(--green);
}

.page-faq .faq-index__list a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
  color: var(--white);
  border-left-color: var(--blue);
}

.page-faq .faq-index__list .idx {
  color: var(--green);
  flex: none;
}

.page-faq .faq-index__hint {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.65;
  color: rgba(199, 204, 214, 0.72);
}

@media (min-width: 1024px) {
  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-sticky);
    padding: 20px 18px 18px;
  }
  .page-faq .faq-index__list {
    grid-template-columns: 1fr;
    gap: 2px;
    margin-top: 16px;
  }
}

/* ============ 章节 ============ */
.page-faq .faq-sections {
  display: grid;
  gap: 54px;
  min-width: 0;
}

.page-faq .faq-section {
  scroll-margin-top: var(--faq-sticky);
  min-width: 0;
}

.page-faq .faq-section > .section-head {
  margin-bottom: 20px;
}

/* ---- 上手三步 + 操作示意 ---- */
.page-faq .faq-entry {
  display: grid;
  gap: 22px;
  margin-bottom: 24px;
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--green);
  background: linear-gradient(180deg, var(--panel) 0%, rgba(20, 29, 49, 0.5) 100%);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: faq-step;
  display: grid;
  gap: 16px;
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--silver);
}

.page-faq .faq-steps li::before {
  counter-increment: faq-step;
  content: "0" counter(faq-step);
  padding-top: 4px;
  border-top: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--green);
}

.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--bg-zone);
}

.page-faq .faq-figure .figure__media {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 4;
}

.page-faq .faq-figure .figure__caption {
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.6;
  color: rgba(199, 204, 214, 0.72);
}

@media (min-width: 900px) {
  .page-faq .faq-entry {
    grid-template-columns: minmax(0, 1fr) 262px;
    gap: 32px;
    align-items: start;
    padding: 24px 22px;
  }
}

/* ============ 手风琴 ============ */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(57, 255, 136, 0.45);
  transform: translateY(-2px);
}

.page-faq .faq-item[open] {
  background: var(--panel-raised);
  border-color: rgba(57, 255, 136, 0.55);
  transform: none;
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 16px 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--ink);
}

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

.page-faq .faq-item > summary::marker {
  content: "";
}

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

.page-faq .faq-item[open] > summary {
  color: var(--white);
}

.page-faq .q-index {
  flex: none;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--green);
}

.page-faq .q-text {
  min-width: 0;
}

.page-faq .q-toggle {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
  margin: 5px 0 0 auto;
}

.page-faq .q-toggle::before,
.page-faq .q-toggle::after {
  content: "";
  position: absolute;
  background: var(--silver);
  transition: transform 0.24s var(--ease), background 0.24s var(--ease);
}

.page-faq .q-toggle::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  margin-top: -0.5px;
}

.page-faq .q-toggle::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  margin-left: -0.5px;
}

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

.page-faq .faq-item[open] .q-toggle::after {
  transform: scaleY(0);
  background: var(--green);
}

.page-faq .faq-answer {
  padding: 0 18px 20px;
  border-top: 1px solid var(--line);
  margin-top: 0;
  padding-top: 16px;
}

.page-faq .faq-answer p {
  margin: 0 0 12px;
  font-size: 0.9375rem;
  line-height: 1.82;
  color: var(--silver);
}

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

.page-faq .faq-answer a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(58, 134, 255, 0.45);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-answer a:hover,
.page-faq .faq-answer a:focus-visible {
  color: var(--green);
  border-bottom-color: var(--green);
}

.page-faq .faq-answer a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

/* 答案内数据行 */
.page-faq .faq-facts {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-faq .faq-facts li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
}

.page-faq .faq-facts li:last-child {
  border-bottom: 0;
}

.page-faq .faq-facts span {
  color: rgba(199, 204, 214, 0.8);
}

.page-faq .faq-facts b {
  flex: none;
  font-weight: 600;
  color: var(--green);
}

/* ============ 继续了解 ============ */
.page-faq .faq-handoff {
  border-top: 1px solid var(--line);
  padding-top: 26px;
}

.page-faq .faq-handoff__title {
  margin: 14px 0 0;
  font-size: clamp(1.25rem, 3.6vw, 1.75rem);
  line-height: 1.3;
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .faq-handoff__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-handoff__list a {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--line);
  background: var(--bg-zone);
  text-decoration: none;
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-faq .faq-handoff__list a:hover {
  border-color: rgba(58, 134, 255, 0.6);
  background: var(--panel);
  transform: translateY(-2px);
}

.page-faq .faq-handoff__list a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-faq .faq-handoff__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--green);
}

.page-faq .faq-handoff__d {
  display: block;
  margin-top: 8px;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--silver);
}

@media (min-width: 900px) {
  .page-faq .faq-handoff__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }
}

/* ============ 减少动效 ============ */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .q-toggle::before,
  .page-faq .q-toggle::after,
  .page-faq .faq-handoff__list a,
  .page-faq .faq-index__list a {
    transition: none;
  }
  .page-faq .faq-item:hover,
  .page-faq .faq-handoff__list a:hover {
    transform: none;
  }
}
<<<END>>>