.page-faq {
  --faq-line: var(--line-faint);
  --faq-gap: clamp(16px, 2.2vw, 26px);
  padding-bottom: clamp(24px, 4vw, 48px);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 4vw, 40px) 0 clamp(28px, 4.5vw, 48px);
  border-bottom: 1px solid var(--line);
  background-color: var(--ink-900);
  background-image:
    radial-gradient(90% 130% at 8% 0%, rgba(23, 224, 200, 0.10), transparent 62%),
    linear-gradient(to right, var(--faq-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--faq-line) 1px, transparent 1px);
  background-size: auto, 72px 72px, 72px 72px;
  background-position: center top, -1px -1px, -1px -1px;
}

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

.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(18px, 3vw, 30px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-faq .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan-line);
}

.page-faq .breadcrumbs li[aria-current="page"] {
  color: var(--cyan);
}

.page-faq .faq-hero .eyebrow {
  margin: 0 0 12px;
  color: var(--muted);
  letter-spacing: 0.14em;
}

.page-faq .faq-hero .h1 {
  margin: 0 0 clamp(14px, 2vw, 20px);
  max-width: 20ch;
  color: var(--paper);
}

.page-faq .faq-lede {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--paper-soft);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin-top: clamp(24px, 3.5vw, 38px);
  padding-top: clamp(18px, 2.5vw, 26px);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-stat-num {
  font-size: 17px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-faq .faq-stat-key {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
}

/* 四组入口 */
.page-faq .faq-index {
  padding: clamp(36px, 5vw, 68px) 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-index-grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
}

.page-faq .faq-index-main .h2 {
  margin: 0 0 10px;
  color: var(--paper);
}

.page-faq .faq-index-note {
  margin: 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .group-nav {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--faq-line);
}

.page-faq .group-nav a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 10px 16px 0;
  text-decoration: none;
  color: var(--paper);
  border-bottom: 1px solid var(--faq-line);
  border-left: 2px solid transparent;
  transition: background-color var(--dur) var(--ease), border-left-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-faq .group-nav a:hover,
.page-faq .group-nav a:focus-visible {
  background-color: var(--cyan-soft);
  border-left-color: var(--cyan);
  padding-left: 12px;
}

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

.page-faq .group-nav-num {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .group-nav-text {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-faq .group-nav-text strong {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.page-faq .group-nav-text span {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--line-soft);
  background-color: var(--ink-800);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-figure .media-caption {
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted-dim);
  border-top: 1px solid var(--faq-line);
}

/* 问答分组 */
.page-faq .faq-group {
  padding: clamp(34px, 5vw, 62px) 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .group-head {
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 2vw, 20px);
  margin-bottom: clamp(14px, 2vw, 22px);
  padding-bottom: clamp(12px, 2vw, 18px);
  border-bottom: 1px solid var(--line);
}

.page-faq .group-head-index {
  flex: none;
  padding-top: 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-faq .group-head-body h2 {
  margin: 0 0 6px;
  color: var(--paper);
}

.page-faq .group-head-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-group:target .group-head-index {
  color: var(--orange);
}

.page-faq .faq-group:target .group-head-body h2 {
  color: var(--cyan);
}

/* 可展开条目 */
.page-faq .disclosure-list {
  display: block;
}

.page-faq .disclosure {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .disclosure-trigger {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 16px 0;
  background: none;
  border: 0;
  color: var(--paper);
  font-family: inherit;
  font-size: 16px;
  text-align: left;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease);
}

.page-faq .disclosure-trigger:hover {
  background-color: rgba(23, 224, 200, 0.05);
}

.page-faq .disclosure-trigger:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .disclosure-index {
  flex: none;
  padding-top: 3px;
  font-size: 12px;
  color: var(--muted-dim);
}

.page-faq .disclosure-label {
  flex: 1 1 auto;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.55;
  transition: color var(--dur) var(--ease);
}

.page-faq .disclosure-trigger:hover .disclosure-label,
.page-faq .disclosure-trigger[aria-expanded="true"] .disclosure-label {
  color: var(--cyan);
}

.page-faq .disclosure-icon {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 6px;
}

.page-faq .disclosure-icon::before,
.page-faq .disclosure-icon::after {
  content: "";
  position: absolute;
  background-color: var(--cyan);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

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

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

.page-faq .disclosure-trigger[aria-expanded="true"] .disclosure-icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .disclosure-panel {
  padding: 0 0 clamp(14px, 2vw, 20px);
}

.page-faq .answer-body {
  margin-left: 22px;
  padding-left: 14px;
  border-left: 2px solid var(--cyan-line);
}

.page-faq .answer-body p {
  margin: 0 0 10px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-soft);
}

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

.page-faq .answer-body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-line);
  transition: border-color var(--dur) var(--ease);
}

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

.page-faq .faq-group .faq-figure {
  margin-top: clamp(22px, 3vw, 32px);
}

/* 下一步 */
.page-faq .faq-next {
  position: relative;
  padding: clamp(36px, 5vw, 64px) 0 clamp(28px, 4vw, 44px);
  background-color: var(--ink-800);
}

.page-faq .faq-next::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-image: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-faq .faq-next-inner {
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 3vw, 32px);
}

.page-faq .faq-next-copy .eyebrow {
  margin: 0 0 10px;
  color: var(--muted);
  letter-spacing: 0.14em;
}

.page-faq .faq-next-copy .h2 {
  margin: 0 0 10px;
  color: var(--paper);
}

.page-faq .faq-next-copy p {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-soft);
}

.page-faq .faq-next-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 断点 */
@media (min-width: 640px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .answer-body {
    margin-left: 34px;
    padding-left: 18px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-index-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-faq .faq-next-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-faq .faq-next-actions {
    flex: none;
  }

  .page-faq .disclosure-trigger {
    gap: 18px;
    padding: 18px 4px;
  }

  .page-faq .disclosure-label {
    font-size: 17px;
  }

  .page-faq .answer-body {
    margin-left: 42px;
    padding-left: 22px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .group-nav a,
  .page-faq .disclosure-trigger,
  .page-faq .disclosure-icon::before,
  .page-faq .disclosure-icon::after {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>
<<<END>>>