.page-faq {
  --faq-rail-w: 236px;
  --faq-gap: clamp(28px, 5vw, 60px);
  --faq-line: rgba(35, 64, 58, 0.9);
  background: var(--ink-900);
  color: var(--paper);
  padding-bottom: clamp(48px, 8vw, 110px);
  overflow-x: clip;
}

.page-faq .faq-crumbs {
  padding-top: clamp(92px, 13vw, 124px);
  padding-bottom: 12px;
}

.page-faq .breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-faq .breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-faq .breadcrumbs li + li::before {
  content: "/";
  color: var(--tactical);
}

.page-faq .breadcrumbs a {
  color: var(--mint);
  text-decoration: none;
}

.page-faq .breadcrumbs a:hover {
  color: var(--lime);
}

/* 首屏宽幅条带 */
.page-faq .faq-band {
  position: relative;
  overflow: hidden;
  padding: clamp(38px, 7vw, 76px) 0 clamp(32px, 5vw, 58px);
  border-top: 1px solid var(--tactical);
  border-bottom: 1px solid var(--tactical);
  background: linear-gradient(158deg, var(--ink-850) 0%, var(--ink-900) 52%, #0d2620 100%);
}

.page-faq .faq-band-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  filter: saturate(0.6);
}

.page-faq .faq-band-veil {
  position: absolute;
  inset: 0;
  display: block;
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(198, 255, 61, 0.14), transparent 58%),
    linear-gradient(180deg, rgba(11, 31, 26, 0.35), rgba(11, 31, 26, 0.94));
}

.page-faq .faq-band::after {
  content: "";
  position: absolute;
  left: var(--pad);
  bottom: 0;
  width: min(340px, 48%);
  height: 2px;
  background: linear-gradient(90deg, var(--lime), transparent);
}

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

.page-faq .eyebrow {
  display: inline-flex;
  align-items: center;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--lime);
}

.page-faq .eyebrow::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 2px;
  margin-right: 10px;
  background: var(--lime);
  transform: skewX(-22deg);
}

.page-faq h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 60px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 22ch;
}

.page-faq .faq-lede {
  margin: 20px 0 0;
  max-width: 58ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.75;
  color: var(--mist);
}

/* 三格等宽摘要 */
.page-faq .faq-quick {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--tactical);
  border: 1px solid var(--tactical);
  border-radius: var(--radius-panel);
  overflow: hidden;
}

.page-faq .faq-quick-cell {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 20px;
  background: rgba(23, 33, 30, 0.92);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-faq .faq-quick-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-faq .faq-quick-value {
  font-family: var(--font-mono);
  font-size: clamp(16px, 1.7vw, 19px);
  font-weight: 700;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}

/* 筛选条 */
.page-faq .faq-body {
  padding-top: clamp(28px, 4vw, 48px);
}

.page-faq .faq-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-faq .faq-chip.chip {
  appearance: none;
  cursor: pointer;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--tactical);
  background: transparent;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .faq-chip.chip:hover {
  color: var(--paper);
  border-color: var(--mint);
}

.page-faq .faq-chip.chip[aria-pressed="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: #06231c;
  font-weight: 700;
}

.page-faq .faq-count {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-faq .faq-count .mono {
  color: var(--paper);
}

/* 目录 + 问答 */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  margin-top: clamp(24px, 3vw, 38px);
}

.page-faq .faq-rail-list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-rail-list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-rail-link {
  display: block;
  padding: 10px 14px;
  white-space: nowrap;
  border-left: 2px solid transparent;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .faq-rail-link:hover {
  color: var(--paper);
}

.page-faq:has(#faq-rank:target) .faq-rail-link[href="#faq-rank"],
.page-faq:has(#faq-cadence:target) .faq-rail-link[href="#faq-cadence"],
.page-faq:has(#faq-device:target) .faq-rail-link[href="#faq-device"],
.page-faq:has(#faq-fix:target) .faq-rail-link[href="#faq-fix"],
.page-faq:has(#faq-partner:target) .faq-rail-link[href="#faq-partner"],
.page-faq:has(#faq-about:target) .faq-rail-link[href="#faq-about"] {
  color: var(--lime);
  border-left-color: var(--lime);
  background: rgba(198, 255, 61, 0.06);
}

.page-faq .faq-main {
  counter-reset: faqgroup;
  min-width: 0;
}

.page-faq .faq-group {
  counter-increment: faqgroup;
  padding-top: clamp(26px, 4vw, 44px);
  margin-top: clamp(26px, 4vw, 44px);
  border-top: 1px solid var(--faq-line);
}

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

.page-faq .faq-group h2 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(20px, 2.6vw, 28px);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group h2::before {
  content: "0" counter(faqgroup);
  margin-right: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--lime);
  vertical-align: 0.18em;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-line);
  transition: background-color 0.2s var(--ease);
}

.page-faq .faq-item[open] {
  background: var(--panel);
}

.page-faq .faq-item[hidden] {
  display: none;
}

.page-faq .faq-summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(16px, 1.8vw, 18px);
  line-height: 1.55;
  color: var(--paper);
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.1;
  color: var(--lime);
}

.page-faq .faq-item[open] .faq-summary::after {
  content: "−";
}

.page-faq .faq-summary:hover {
  color: var(--lime);
}

.page-faq .faq-answer {
  padding: 0 16px 22px;
}

.page-faq .faq-answer p {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-answer p + p {
  margin-top: 10px;
}

.page-faq .faq-answer a {
  color: var(--mint);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-answer a:hover {
  color: var(--lime);
}

.page-faq .faq-answer .mono {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(35, 64, 58, 0.65);
  font-family: var(--font-mono);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  color: var(--paper);
  word-break: break-all;
}

/* 终端章节配图 */
.page-faq .faq-media {
  margin: 24px 0 0;
}

.page-faq .faq-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--tactical);
  border-radius: var(--radius-panel);
}

.page-faq .faq-media .media-caption {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* 收束条 */
.page-faq .faq-note {
  position: relative;
  margin-top: clamp(38px, 6vw, 72px);
  padding: clamp(24px, 4vw, 40px);
  background: var(--panel);
  border-left: 3px solid var(--lime);
  border-radius: 0 var(--radius-panel) var(--radius-panel) 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-faq .faq-note-text {
  margin: 0;
  max-width: 52ch;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.7;
  color: var(--paper);
}

.page-faq .faq-note-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

@media (min-width: 720px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-count {
    margin: 0 0 0 auto;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--pill-h) + 24px);
  }

  .page-faq .faq-rail-list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
    border-left: 1px solid var(--tactical);
  }

  .page-faq .faq-rail-link {
    padding: 11px 14px 11px 16px;
  }

  .page-faq .faq-summary {
    padding: 20px 20px;
  }

  .page-faq .faq-answer {
    padding: 0 20px 24px 20px;
  }
}
<<<END>>>