.page-faq {
  --faq-gap: clamp(14px, 2vw, 22px);
  --faq-tone-cyan: var(--cyan);
  --faq-tone-amber: var(--amber);
  background: var(--ink-900);
  color: var(--text);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-faq .faq-crumb-sep {
  color: var(--faint);
  margin: 0 6px;
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-frame {
  position: relative;
  padding: clamp(16px, 2.6vw, 28px) 0 clamp(30px, 5vw, 56px);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(255, 79, 154, 0.10), transparent 58%),
    radial-gradient(90% 70% at 0% 100%, rgba(61, 242, 208, 0.09), transparent 62%),
    var(--ink-900);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 10px;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 26px);
  opacity: 0.55;
}

.page-faq .faq-hero {
  position: relative;
  margin-top: clamp(18px, 3vw, 32px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 42px);
  padding: clamp(20px, 3.2vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: linear-gradient(158deg, rgba(23, 42, 68, 0.94), rgba(10, 18, 32, 0.94));
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(61, 242, 208, 0.18), transparent 68%);
  pointer-events: none;
}

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

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(1.95rem, 7.4vw, 3.5rem);
  line-height: 1.03;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--text);
}

.page-faq .faq-hero .wb-lead {
  margin: 16px 0 0;
  max-width: 36em;
  color: var(--muted);
  font-size: clamp(0.95rem, 2.4vw, 1.06rem);
  line-height: 1.8;
}

.page-faq .faq-hero__media {
  position: relative;
  z-index: 1;
  margin: 0;
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--ink-800);
}

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

.page-faq .faq-hero__media .wb-media__caption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

/* ---------- 跳转标签 ---------- */
.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-chip span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  color: var(--text);
  border-color: var(--cyan);
  background: var(--cyan-soft);
}

/* ---------- 编号索引 ---------- */
.page-faq .faq-index {
  padding: clamp(36px, 6vw, 68px) 0 clamp(10px, 2vw, 20px);
}

.page-faq .faq-index__wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-faq .faq-index__media {
  margin: 0;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: linear-gradient(150deg, rgba(23, 42, 68, 0.9), rgba(16, 29, 49, 0.9));
}

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

.page-faq .faq-index__body h2 {
  margin: 10px 0 0;
  font-size: clamp(1.35rem, 4vw, 1.95rem);
  line-height: 1.28;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-faq .faq-index__note {
  margin: 12px 0 22px;
  max-width: 40em;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.8;
}

.page-faq .faq-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-index__row {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 13px 6px;
  border-bottom: 1px solid var(--line-soft);
  text-decoration: none;
  color: var(--text);
  transition: background 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .faq-index__name {
  font-size: 0.98rem;
  font-weight: 600;
}

.page-faq .faq-index__count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--faint);
}

.page-faq .faq-index__row:hover,
.page-faq .faq-index__row:focus-visible {
  background: var(--cyan-soft);
  padding-left: 12px;
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 44px);
  padding-top: clamp(26px, 4vw, 48px);
  padding-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-rail {
  position: relative;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background: var(--ink-800);
  padding: 16px 14px;
}

.page-faq .faq-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
}

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

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 9px;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.4;
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--text);
  border-left-color: var(--cyan);
  background: var(--cyan-soft);
}

.page-faq .faq-rail__foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-soft);
  font-size: 12px;
  line-height: 1.7;
  color: var(--faint);
}

.page-faq .faq-rail__foot .wb-mono {
  color: var(--amber);
}

/* ---------- 主题簇与折叠面板 ---------- */
.page-faq .faq-panels {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 20px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(30px, 4.5vw, 48px);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 14px;
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-faq .faq-group__name {
  margin: 0;
  font-size: clamp(1.1rem, 3vw, 1.42rem);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-faq .faq-group__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--faint);
}

.page-faq .faq-item {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-s);
  background: var(--ink-800);
  margin-bottom: 8px;
  scroll-margin-top: 20px;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--line);
}

.page-faq .faq-item[open] {
  border-color: var(--cyan);
  background: var(--ink-700);
}

.page-faq .faq-item__sum {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 22px;
  align-items: center;
  gap: 12px;
  padding: 14px 14px;
  cursor: pointer;
  list-style: none;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--text);
}

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

.page-faq .faq-item__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

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

.page-faq .faq-item__sign {
  position: relative;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--line);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--cyan);
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__sign::before {
  width: 9px;
  height: 1.5px;
}

.page-faq .faq-item__sign::after {
  width: 1.5px;
  height: 9px;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

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

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__body {
  padding: 2px 14px 16px;
  border-top: 1px dashed var(--line-soft);
  margin-top: 2px;
  padding-top: 14px;
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
  max-width: 58ch;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.8;
}

.page-faq .faq-item__body p strong {
  color: var(--text);
  font-weight: 600;
}

.page-faq .faq-item__body ol {
  margin: 0 0 10px;
  padding-left: 1.25em;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.85;
}

.page-faq .faq-item__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 242, 208, 0.4);
  transition: border-color 0.18s var(--ease);
}

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

.page-faq .faq-item__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding-top: 10px;
  border-top: 1px dashed var(--line-soft);
}

.page-faq .faq-copy {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 12px;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

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

/* ---------- 未收录问题提交 ---------- */
.page-faq .faq-submit {
  margin-top: clamp(30px, 5vw, 56px);
  padding: clamp(24px, 4vw, 46px) 0 clamp(36px, 5.5vw, 64px);
  border-top: 1px solid var(--line-soft);
  background:
    radial-gradient(80% 80% at 0% 0%, rgba(255, 181, 71, 0.10), transparent 62%),
    var(--ink-800);
}

.page-faq .faq-submit__head h2 {
  margin: 10px 0 0;
  font-size: clamp(1.35rem, 4.2vw, 2.05rem);
  line-height: 1.24;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-faq .faq-submit__note {
  margin: 12px 0 0;
  max-width: 40em;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.8;
}

.page-faq .faq-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  padding: 18px 18px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background: rgba(23, 42, 68, 0.7);
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-faq .faq-step:hover {
  border-color: var(--amber);
  transform: translateY(-2px);
}

.page-faq .faq-step__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-faq .faq-step h3 {
  margin: 8px 0 6px;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.75;
}

.page-faq .faq-submit__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-faq .faq-submit__meta {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--faint);
}

/* ---------- 焦点与动效 ---------- */
.page-faq a:focus-visible,
.page-faq button:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  .page-faq .faq-step:hover,
  .page-faq .faq-index__row:hover {
    transform: none;
  }
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-body {
    padding-top: clamp(30px, 4vw, 52px);
  }
}

@media (min-width: 760px) {
  .page-faq .faq-index__wrap {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1fr);
  }
  .page-faq .faq-item__sum {
    padding: 16px 18px;
  }
  .page-faq .faq-item__body {
    padding: 14px 18px 18px;
  }
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: 216px minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .faq-rail {
    position: sticky;
    top: 24px;
  }
  .page-faq .faq-rail__list {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-faq .faq-index__wrap {
    grid-template-columns: minmax(0, 0.62fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
  }
}
<<<END>>>