.page-faq {
  --faq-cut: 16px;
  --faq-cut-lg: 22px;
  padding-bottom: 10px;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

.page-faq .breadcrumbs {
  margin: 20px 0 10px;
  font-size: 13px;
  letter-spacing: 0.02em;
}

.page-faq .faq-hero {
  position: relative;
  padding: 20px 18px 26px;
  background:
    radial-gradient(circle at 8% 0%, rgba(40, 245, 210, 0.14), transparent 58%),
    radial-gradient(circle at 100% 8%, rgba(124, 92, 255, 0.16), transparent 48%),
    linear-gradient(158deg, var(--panel), var(--ink) 74%);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut-lg)) 0, 100% var(--faq-cut-lg), 100% 100%, 0 100%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 22px;
}

.page-faq .faq-hero__lead {
  margin: 14px 0 20px;
  max-width: 48ch;
  color: rgba(232, 245, 240, 0.82);
  line-height: 1.8;
  font-size: 15px;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-hero__media {
  margin: 0;
}

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

.page-faq .faq-body {
  display: grid;
  gap: 26px;
  padding: 28px 0 20px;
}

/* 侧栏索引 */
.page-faq .faq-side__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-index {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  white-space: nowrap;
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  background: rgba(18, 59, 48, 0.42);
  border-bottom: 2px solid transparent;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

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

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

.page-faq .faq-side__card {
  padding: 16px;
  background: var(--panel);
  border-left: 3px solid var(--amber);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
}

.page-faq .faq-side__card-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-faq .faq-side__card-text {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* 问答组 */
.page-faq .faq-group {
  padding-top: 26px;
  border-top: 1px dashed var(--line-soft);
  scroll-margin-top: 76px;
}

.page-faq .faq-group:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-group + .faq-group {
  margin-top: 30px;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  align-items: baseline;
  margin-bottom: 16px;
}

.page-faq .faq-group__num {
  grid-row: 1;
  grid-column: 1;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-group__title {
  grid-row: 1;
  grid-column: 2;
  margin: 0;
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-faq .faq-group__desc {
  grid-row: 2;
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

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

.page-faq .faq-item {
  background: var(--panel);
  border-left: 3px solid rgba(40, 245, 210, 0.26);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
  transition: background 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-item:hover {
  background: var(--card);
}

.page-faq .faq-item[open] {
  background: var(--card);
  border-left-color: var(--cyan);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  color: var(--amber);
}

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

.page-faq .faq-item__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  color: var(--muted);
}

.page-faq .faq-item[open] .faq-item__num {
  color: var(--cyan);
}

.page-faq .faq-item__body {
  padding: 0 18px 18px 42px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(232, 245, 240, 0.82);
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
}

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

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

.page-faq .faq-item__body a:hover {
  color: var(--amber);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 10px 0 12px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.page-faq .faq-steps__n {
  flex: none;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink);
  background: var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
}

.page-faq .faq-steps strong {
  color: var(--paper);
}

/* 图文并排 */
.page-faq .faq-split {
  display: grid;
  gap: 18px;
}

.page-faq .faq-figure {
  margin: 0;
  background: var(--panel);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
}

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

.page-faq .faq-figure__cap {
  padding: 10px 14px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* 联系区 */
.page-faq .faq-contact {
  display: grid;
  gap: 16px;
}

.page-faq .faq-contact__block {
  padding: 16px 18px;
  background: var(--panel);
  border-left: 3px solid var(--violet);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
}

.page-faq .faq-contact__block p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(232, 245, 240, 0.82);
}

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

.page-faq .faq-contact__block a:hover {
  color: var(--amber);
}

.page-faq .faq-contact__sub {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-faq .faq-contact__list {
  margin: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-contact__list div {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
}

.page-faq .faq-contact__list dt {
  flex: none;
  min-width: 72px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  line-height: 1.9;
}

.page-faq .faq-contact__list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 14px 0 16px;
  padding-left: 12px;
  border-left: 2px solid var(--line-magenta);
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

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

@media (min-width: 700px) {
  .page-faq .faq-hero {
    padding: 26px 26px 30px;
  }

  .page-faq .faq-hero__lead {
    font-size: 16px;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) 220px;
    align-items: start;
    gap: 20px;
  }

  .page-faq .faq-figure {
    position: sticky;
    top: calc(var(--topbar-h) + 16px);
  }

  .page-faq .faq-contact {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-faq .faq-group__title {
    font-size: 26px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-hero {
    padding: 34px 34px 36px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: center;
    gap: 34px;
  }

  .page-faq .faq-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 36px;
    align-items: start;
    padding-top: 32px;
  }

  .page-faq .faq-side__inner {
    position: sticky;
    top: calc(var(--topbar-h) + 16px);
  }

  .page-faq .faq-index {
    flex-direction: column;
    gap: 2px;
    overflow-x: visible;
  }

  .page-faq .faq-index a {
    border-bottom: 0;
    border-left: 2px solid transparent;
    background: transparent;
    padding: 9px 10px;
    font-size: 14px;
  }

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

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) 240px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-index a {
    transition: none;
  }
}
<<<END>>>