.page-faq {
  --faq-gap: clamp(46px, 7vw, 92px);
  --faq-hair: rgba(27, 58, 82, 0.9);
  background: var(--deep-abyss);
  color: var(--chalk-white);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 7vw, 96px);
  overflow-x: hidden;
}

.page-faq .faq-hero {
  position: relative;
  padding: clamp(26px, 5vw, 58px) 0 clamp(34px, 6vw, 70px);
  border-bottom: 1px solid var(--grid-line);
  background:
    radial-gradient(120% 90% at 88% -12%, rgba(63, 224, 208, 0.15), transparent 62%),
    radial-gradient(90% 80% at 0% 0%, rgba(255, 106, 43, 0.12), transparent 56%),
    var(--deep-abyss);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(27, 58, 82, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(27, 58, 82, 0.45) 1px, transparent 1px);
  background-size: 84px 84px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 88%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 88%);
  pointer-events: none;
}

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

.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(20px, 4vw, 36px);
  font-family: var(--font-mono);
  font-size: var(--fz-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-mute);
}

.page-faq .breadcrumb__link {
  color: var(--slate-mute);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 42px);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(29px, 6vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 16em;
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 54ch;
  font-size: var(--fz-base);
  line-height: 1.85;
  color: var(--slate-mute);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-faq .jump-pill {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--grid-line);
  background: rgba(18, 57, 90, 0.35);
  color: var(--chalk-white);
  font-size: var(--fz-sm);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .jump-pill:hover,
.page-faq .jump-pill:focus-visible {
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
  background: rgba(63, 224, 208, 0.08);
}

.page-faq .faq-hero__aside {
  border: 1px solid var(--grid-line);
  border-radius: var(--r-card);
  padding: clamp(18px, 3vw, 26px);
  background: linear-gradient(160deg, rgba(12, 34, 51, 0.92), rgba(6, 20, 32, 0.62));
}

.page-faq .faq-hero__aside .coord {
  margin: 0;
}

.page-faq .hero-stats {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .hero-stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--faq-hair);
}

.page-faq .hero-stat:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .hero-stat__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--fz-xl);
  color: var(--neon-cyan);
  font-variant-numeric: tabular-nums;
}

.page-faq .hero-stat__num--hot {
  color: var(--lava-orange);
}

.page-faq .hero-stat__label {
  max-width: 22ch;
  text-align: right;
  font-size: var(--fz-sm);
  line-height: 1.6;
  color: var(--slate-mute);
}

.page-faq .faq-section {
  padding-top: var(--faq-gap);
  scroll-margin-top: 96px;
}

.page-faq .faq-section__head {
  max-width: 64ch;
  margin-bottom: clamp(22px, 3.5vw, 34px);
}

.page-faq .faq-section__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(22px, 3.4vw, 35px);
  line-height: 1.24;
  letter-spacing: -0.015em;
}

.page-faq .faq-section__desc {
  margin: 14px 0 0;
  font-size: var(--fz-base);
  line-height: 1.85;
  color: var(--slate-mute);
}

/* ---------- 场景标签页 ---------- */
.page-faq .scene-tabs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 4px 2px 16px;
  scrollbar-width: thin;
}

.page-faq .scene-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 18px;
  border-radius: var(--r-pill);
  border: 1px solid var(--grid-line);
  background: var(--navy-deck);
  color: var(--slate-mute);
  font-size: var(--fz-sm);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .scene-tab__no {
  font-family: var(--font-mono);
  font-size: var(--fz-xs);
  letter-spacing: 0.12em;
  color: var(--aqua-dim);
}

.page-faq .scene-tab:hover,
.page-faq .scene-tab:focus-visible {
  color: var(--chalk-white);
  border-color: var(--aqua-dim);
}

.page-faq:not(:has(.scene-panel:target)) .scene-tab[href="#scene-network"],
.page-faq:has(#scene-network:target) .scene-tab[href="#scene-network"],
.page-faq:has(#scene-ratio:target) .scene-tab[href="#scene-ratio"],
.page-faq:has(#scene-engine:target) .scene-tab[href="#scene-engine"],
.page-faq:has(#scene-cache:target) .scene-tab[href="#scene-cache"] {
  background: var(--inner-blue);
  color: var(--chalk-white);
  border-color: var(--neon-cyan);
  box-shadow: inset 0 0 0 1px rgba(63, 224, 208, 0.22);
}

.page-faq .scene-panels {
  display: grid;
  gap: 0;
}

.page-faq .scene-panel {
  display: none;
  scroll-margin-top: 100px;
  padding: clamp(20px, 3.4vw, 34px);
  border: 1px solid var(--grid-line);
  border-radius: var(--r-card);
  background: linear-gradient(180deg, rgba(12, 34, 51, 0.88), rgba(6, 20, 32, 0.7));
}

.page-faq .scene-panel:first-of-type {
  display: block;
}

.page-faq .scene-panel:target {
  display: block;
}

.page-faq .scene-panels:has(.scene-panel:target) .scene-panel:first-of-type:not(:target) {
  display: none;
}

.page-faq .scene-panel__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fz-lg);
  letter-spacing: -0.01em;
}

.page-faq .scene-panel__tag {
  display: inline-block;
  margin: 12px 0 0;
  padding: 5px 12px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(255, 106, 43, 0.45);
  background: rgba(255, 106, 43, 0.1);
  color: var(--ember-glow);
  font-size: var(--fz-xs);
  letter-spacing: 0.04em;
}

.page-faq .step-list {
  list-style: none;
  counter-reset: step;
  margin: 22px 0 0;
  padding: 0 0 0 12px;
}

.page-faq .step-list li {
  counter-increment: step;
  position: relative;
  margin-left: 12px;
  padding: 0 0 20px 40px;
  border-left: 1px solid var(--grid-line);
}

.page-faq .step-list li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: -13px;
  top: -3px;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--aqua-dim);
  background: var(--inner-blue);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--neon-cyan);
}

.page-faq .step-list li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-faq .step-list strong {
  display: block;
  font-size: var(--fz-base);
  font-weight: 600;
  color: var(--chalk-white);
  line-height: 1.6;
}

.page-faq .step-list span {
  display: block;
  margin-top: 5px;
  font-size: var(--fz-sm);
  line-height: 1.8;
  color: var(--slate-mute);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: clamp(22px, 3vw, 32px) 0 0;
}

.page-faq .media-frame {
  overflow: hidden;
  border-radius: var(--r-card);
}

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

.page-faq .faq-figure figcaption {
  margin-top: 12px;
  font-size: var(--fz-xs);
  letter-spacing: 0.05em;
  color: var(--slate-mute);
}

/* ---------- 入口修复 ---------- */
.page-faq .fix-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .fix-panel {
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--grid-line);
  border-radius: var(--r-card);
  background: rgba(12, 34, 51, 0.6);
}

.page-faq .fix-panel .coord {
  margin: 0 0 6px;
}

.page-faq .fix-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .fix-step {
  position: relative;
}

.page-faq .fix-step::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--grid-line);
  transition: background 0.25s var(--ease);
}

.page-faq .fix-step:last-child::before {
  display: none;
}

.page-faq .fix-step:has(.fix-step__box:checked)::before {
  background: var(--neon-cyan);
}

.page-faq .fix-step__label {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 15px 0;
  cursor: pointer;
}

.page-faq .fix-step__box {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .fix-step__no {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--aqua-dim);
  background: var(--navy-deck);
  font-family: var(--font-mono);
  font-size: var(--fz-xs);
  color: var(--neon-cyan);
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .fix-step__box:checked + .fix-step__no {
  background: var(--lava-orange);
  border-color: var(--lava-orange);
  color: #21100a;
}

.page-faq .fix-step__box:focus-visible + .fix-step__no {
  outline: 2px solid var(--neon-cyan);
  outline-offset: 3px;
}

.page-faq .fix-step__text {
  font-size: var(--fz-sm);
  line-height: 1.8;
  color: var(--slate-mute);
}

.page-faq .fix-step__text strong {
  display: block;
  margin-bottom: 3px;
  font-size: var(--fz-base);
  font-weight: 600;
  color: var(--chalk-white);
}

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

.page-faq .compare__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--grid-line);
  border-radius: var(--r-card);
}

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

.page-faq .compare__split {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-1px);
  background: var(--neon-cyan);
  box-shadow: 0 0 14px rgba(63, 224, 208, 0.65);
}

.page-faq .compare__tag {
  position: absolute;
  top: 12px;
  padding: 4px 11px;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.page-faq .compare__tag--before {
  left: 12px;
  border: 1px solid rgba(143, 169, 188, 0.55);
  background: rgba(6, 20, 32, 0.72);
  color: var(--slate-mute);
}

.page-faq .compare__tag--after {
  right: 12px;
  background: var(--lava-orange);
  color: #21100a;
}

.page-faq .compare__cap {
  margin-top: 12px;
  font-size: var(--fz-sm);
  line-height: 1.8;
  color: var(--slate-mute);
}

/* ---------- 数字说明 ---------- */
.page-faq .spec-wrap {
  overflow-x: auto;
  border: 1px solid var(--grid-line);
  border-radius: var(--r-card);
  background: rgba(12, 34, 51, 0.6);
}

.page-faq .spec-caption {
  padding: 14px 16px 0;
  text-align: left;
  font-family: var(--font-mono);
  font-size: var(--fz-xs);
  letter-spacing: 0.14em;
  color: var(--aqua-dim);
}

.page-faq .spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fz-sm);
}

.page-faq .spec-table th,
.page-faq .spec-table td {
  padding: 14px 16px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .spec-table thead th {
  background: var(--inner-blue);
  font-family: var(--font-mono);
  font-size: var(--fz-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--aqua-dim);
}

.page-faq .spec-table tbody th {
  font-weight: 600;
  color: var(--chalk-white);
}

.page-faq .spec-table tbody td {
  color: var(--slate-mute);
}

.page-faq .spec-table td.num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--neon-cyan);
}

.page-faq .spec-table tbody tr:last-child th,
.page-faq .spec-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .note-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-faq .note-card {
  position: relative;
  padding: 20px;
  border: 1px solid var(--grid-line);
  border-radius: var(--r-card);
  background: linear-gradient(155deg, rgba(12, 34, 51, 0.85), rgba(6, 20, 32, 0.6));
  transition: border-color 0.25s var(--ease);
}

.page-faq .note-card:hover {
  border-color: var(--aqua-dim);
}

.page-faq .note-card__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fz-xs);
  letter-spacing: 0.16em;
  color: var(--aqua-dim);
}

.page-faq .note-card__title {
  margin: 10px 0 0;
  font-size: var(--fz-md);
  font-weight: 600;
  line-height: 1.45;
}

.page-faq .note-card__body {
  margin: 9px 0 0;
  font-size: var(--fz-sm);
  line-height: 1.85;
  color: var(--slate-mute);
}

.page-faq .inline-link {
  color: var(--neon-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 208, 0.4);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .inline-link:hover,
.page-faq .inline-link:focus-visible {
  color: var(--ember-glow);
  border-bottom-color: var(--ember-glow);
}

/* ---------- 设备建议 ---------- */
.page-faq .device-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .device-card {
  padding: 20px;
  border: 1px solid var(--grid-line);
  border-radius: var(--r-card);
  background: var(--navy-deck);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .device-card:hover {
  border-color: var(--aqua-dim);
  background: var(--inner-blue);
}

.page-faq .device-card__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fz-xs);
  letter-spacing: 0.16em;
  color: var(--aqua-dim);
}

.page-faq .device-card__name {
  margin: 10px 0 0;
  font-size: var(--fz-md);
  font-weight: 600;
}

.page-faq .device-card__body {
  margin: 8px 0 0;
  font-size: var(--fz-sm);
  line-height: 1.85;
  color: var(--slate-mute);
}

/* ---------- 常见疑问 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  border: 1px solid var(--grid-line);
  border-radius: var(--r-sm);
  background: rgba(12, 34, 51, 0.55);
  overflow: hidden;
  transition: border-color 0.25s var(--ease);
}

.page-faq .qa[open] {
  border-color: var(--aqua-dim);
  background: rgba(18, 57, 90, 0.45);
}

.page-faq .qa summary {
  position: relative;
  padding: 16px 46px 16px 18px;
  list-style: none;
  cursor: pointer;
  font-size: var(--fz-base);
  line-height: 1.6;
  color: var(--chalk-white);
}

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

.page-faq .qa summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--neon-cyan);
}

.page-faq .qa[open] summary::after {
  content: "–";
  color: var(--lava-orange);
}

.page-faq .qa p {
  margin: 0;
  padding: 0 18px 18px;
  font-size: var(--fz-sm);
  line-height: 1.85;
  color: var(--slate-mute);
}

/* ---------- 人工支持 ---------- */
.page-faq .support {
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid var(--inner-blue);
  border-radius: var(--r-lg);
  background:
    radial-gradient(95% 130% at 100% 0%, rgba(255, 106, 43, 0.18), transparent 62%),
    linear-gradient(150deg, var(--navy-deck), var(--deep-abyss));
}

.page-faq .support__grid {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
}

.page-faq .support .faq-section__title {
  margin-top: 12px;
}

.page-faq .support__lead {
  margin: 14px 0 0;
  max-width: 54ch;
  font-size: var(--fz-base);
  line-height: 1.85;
  color: var(--slate-mute);
}

.page-faq .support__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .support__list li {
  position: relative;
  padding-left: 22px;
  font-size: var(--fz-sm);
  line-height: 1.75;
  color: var(--slate-mute);
}

.page-faq .support__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 1px;
  background: var(--neon-cyan);
}

.page-faq .support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .support__card {
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid rgba(27, 58, 82, 0.95);
  border-radius: var(--r-card);
  background: rgba(6, 20, 32, 0.55);
}

.page-faq .support__card .coord {
  margin: 0 0 8px;
}

.page-faq .contact-line {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  margin: 0;
  padding: 12px 0;
  border-bottom: 1px dashed var(--faq-hair);
  font-size: var(--fz-sm);
  line-height: 1.75;
}

.page-faq .contact-line:last-of-type {
  border-bottom: 0;
}

.page-faq .contact-line__key {
  flex: 0 0 68px;
  color: var(--slate-mute);
  font-size: var(--fz-xs);
  letter-spacing: 0.06em;
}

.page-faq .contact-line__val {
  flex: 1 1 200px;
  color: var(--chalk-white);
  word-break: break-word;
}

.page-faq .contact-line__val--mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--neon-cyan);
}

.page-faq .contact-line__val a {
  color: var(--neon-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 208, 0.35);
  word-break: break-all;
}

.page-faq .contact-line__val a:hover,
.page-faq .contact-line__val a:focus-visible {
  color: var(--ember-glow);
  border-bottom-color: var(--ember-glow);
}

.page-faq .support__note {
  margin: 16px 0 0;
  font-size: var(--fz-sm);
  line-height: 1.85;
  color: var(--slate-mute);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .device-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .note-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-faq .fix-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }

  .page-faq .support__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-faq .device-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .note-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .scene-panel {
    min-height: 340px;
  }
}

@media (max-width: 420px) {
  .page-faq .hero-stat__label {
    max-width: 16ch;
    font-size: var(--fz-xs);
  }

  .page-faq .step-list {
    padding-left: 4px;
  }

  .page-faq .step-list li {
    padding-left: 34px;
  }

  .page-faq .fix-step__label {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 12px;
  }

  .page-faq .fix-step__no {
    width: 30px;
    height: 30px;
  }

  .page-faq .fix-step::before {
    left: 14px;
  }
}

以上为本次输出。