.page-faq {
  --faq-rail-w: 96px;
}

.page-faq .breadcrumb {
  padding-top: 26px;
}

.page-faq .faq-hero {
  padding: 34px 0 40px;
  max-width: 880px;
}

.page-faq .faq-hero-title {
  margin: 14px 0 0;
  font-size: clamp(34px, 6.2vw, 66px);
  line-height: 0.98;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero .lede {
  margin-top: 20px;
  max-width: 62ch;
}

/* 问题索引条 */
.page-faq .faq-index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.page-faq .faq-index a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  color: var(--text-soft);
  font-size: 13px;
  text-decoration: none;
  background: transparent;
  transition: border-color var(--ease), color var(--ease), background var(--ease);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--panel);
}

.page-faq .faq-index .idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan-dim);
  letter-spacing: 0.06em;
}

/* 数据带 */
.page-faq .faq-strip {
  background: var(--band);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-strip-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 34px;
  padding: 18px 0;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.page-faq .faq-strip-item .num {
  color: var(--orange);
}

/* 问题列表 */
.page-faq .faq-list {
  padding-bottom: 72px;
}

.page-faq .faq-item {
  display: grid;
  gap: 16px;
  padding: 42px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}

.page-faq .faq-item:target {
  border-top-color: var(--cyan);
}

.page-faq .faq-rail {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-faq .faq-num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 8vw, 44px);
  font-weight: 300;
  line-height: 1;
  color: var(--cyan-dim);
  letter-spacing: -0.03em;
}

.page-faq .faq-label {
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
}

/* 折叠面板 */
.page-faq .faq-summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3.6vw, 30px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-toggle {
  position: relative;
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color var(--ease);
}

.page-faq .faq-toggle::before,
.page-faq .faq-toggle::after {
  content: "";
  position: absolute;
  left: 8px;
  right: 8px;
  top: 50%;
  height: 1px;
  background: var(--cyan);
  transition: transform var(--ease);
}

.page-faq .faq-toggle::after {
  transform: rotate(90deg);
}

.page-faq .faq-panel[open] .faq-toggle {
  border-color: var(--cyan);
}

.page-faq .faq-panel[open] .faq-toggle::after {
  transform: rotate(0deg);
}

.page-faq .faq-body {
  margin-top: 18px;
}

.page-faq .faq-panel[open] .faq-body {
  animation: faq-rise 240ms ease both;
}

@keyframes faq-rise {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 步骤条 */
.page-faq .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: faqstep;
  display: grid;
  gap: 16px;
}

.page-faq .steps > li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 34px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-soft);
  max-width: 68ch;
}

.page-faq .steps > li::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 24px;
  bottom: -16px;
  width: 1px;
  background: var(--line);
}

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

.page-faq .steps > li::after {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 23px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-faq .steps a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .steps a:hover,
.page-faq .steps a:focus-visible {
  color: var(--paper);
}

.page-faq .faq-tip {
  margin: 22px 0 0;
  padding-left: 34px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 62ch;
}

/* 图文混排 */
.page-faq .faq-split {
  display: grid;
  gap: 26px;
}

.page-faq .faq-shot {
  margin: 0;
  max-width: 260px;
}

.page-faq .faq-shot img,
.page-faq .faq-flow img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  object-fit: cover;
  background: var(--panel);
}

.page-faq .faq-flow {
  margin: 26px 0 0;
}

/* 数据块 */
.page-faq .stat-row {
  display: grid;
  gap: 12px;
  margin-bottom: 26px;
}

.page-faq .faq-stat {
  padding: 16px 18px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-stat .stat-label {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* 联系块 */
.page-faq .faq-contact-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-contact-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding: 14px 18px;
  background: var(--panel);
}

.page-faq .faq-contact-key {
  flex: 0 0 auto;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
  align-self: center;
}

.page-faq .faq-contact-val {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--paper);
  word-break: break-all;
}

.page-faq .faq-body .callout {
  margin-top: 22px;
}

.page-faq .faq-body .prose {
  margin-top: 18px;
  max-width: 64ch;
}

.page-faq .faq-body .prose a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 呼吸留白 */
.page-faq .faq-breath {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 26px 0 6px;
}

.page-faq .faq-breath-line {
  flex: 0 0 42px;
  height: 2px;
  background: var(--cyan);
}

.page-faq .faq-breath-text {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

/* 焦点反馈 */
.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

@media (min-width: 640px) {
  .page-faq .stat-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-faq .faq-hero {
    padding: 48px 0 58px;
  }

  .page-faq .faq-item {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 56px);
    padding: 62px 0;
  }

  .page-faq .faq-rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-faq .faq-body {
    padding-left: 22px;
    border-left: 2px solid var(--line);
    transition: border-color var(--ease);
  }

  .page-faq .faq-panel[open] .faq-body {
    border-left-color: var(--cyan);
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) clamp(180px, 21vw, 250px);
    gap: clamp(24px, 3vw, 44px);
    align-items: start;
  }

  .page-faq .faq-shot {
    margin-top: 34px;
    max-width: none;
  }

  .page-faq .faq-flow {
    margin-top: 34px;
    max-width: 76%;
  }

  .page-faq .faq-item:nth-child(even) .faq-flow {
    margin-left: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-panel[open] .faq-body {
    animation: none;
  }

  .page-faq .faq-toggle::after,
  .page-faq .faq-toggle,
  .page-faq .faq-index a,
  .page-faq .faq-body {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>