.page-faq {
  --faq-gap: clamp(20px, 3vw, 34px);
  --faq-paper-ink: #16122A;
  --faq-paper-soft: #4A4160;
  --faq-card-bg: rgba(42, 36, 64, 0.55);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-faq .guide-hero {
  padding: clamp(18px, 4vw, 40px) 0 clamp(16px, 3vw, 28px);
}

.page-faq .guide-hero__inner {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
}

.page-faq .guide-hero__lead {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-faq .guide-hero__lede {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.85;
}

.page-faq .hero-facts {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.page-faq .hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-left: 10px;
  border-left: 2px solid var(--line-violet-strong);
}

.page-faq .hero-facts__num {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--amber);
}

.page-faq .hero-facts__label {
  font-size: 0.82rem;
  color: var(--muted);
}

.page-faq .guide-hero__card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(18px, 3vw, 26px);
}

.page-faq .guide-hero__card-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.4;
  color: var(--paper);
}

.page-faq .guide-hero__card-text {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .guide-hero__card .btn {
  justify-self: start;
  margin-top: 4px;
}

.page-faq .guide-shell {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .guide-anchors {
  display: block;
  padding-bottom: 4px;
}

.page-faq .guide-anchors__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-faq .anchor-list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 6px;
  flex-wrap: nowrap;
  overflow-x: auto;
}

.page-faq .anchor-link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 12px;
  white-space: nowrap;
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: rgba(42, 36, 64, 0.45);
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-faq .anchor-link:hover,
.page-faq .anchor-link:focus-visible {
  color: var(--paper);
  border-color: var(--line-violet-strong);
  background: rgba(42, 36, 64, 0.8);
}

.page-faq .anchor-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cyan);
}

.page-faq .guide-main {
  min-width: 0;
}

.page-faq .reader-tools {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  margin-bottom: clamp(20px, 3vw, 30px);
  border: 1px dashed var(--line-violet-strong);
  border-radius: var(--radius);
  background: rgba(18, 15, 30, 0.72);
}

.page-faq .tool-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-faq .tool-input:focus-visible + .tool-btn {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .tool-btn {
  cursor: pointer;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.page-faq .tool-input:checked + .tool-btn {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .reader-tools__note {
  margin: 0 0 0 auto;
  font-size: 0.74rem;
  color: var(--muted);
}

.page-faq .reader-target {
  font-size: 16px;
  color: var(--muted);
}

.page-faq #faq-large:checked ~ .reader-target {
  font-size: 17.5px;
}

.page-faq #faq-contrast:checked ~ .reader-target {
  color: #EDE8F6;
}

.page-faq #faq-contrast:checked ~ .reader-target .step-node__text,
.page-faq #faq-contrast:checked ~ .reader-target .read-tips li,
.page-faq #faq-contrast:checked ~ .reader-target .res-list li,
.page-faq #faq-contrast:checked ~ .reader-target .path-card__text,
.page-faq #faq-contrast:checked ~ .reader-target .guide-hero__lede {
  color: #FFFFFF;
}

.page-faq .guide-section {
  padding-top: clamp(30px, 4vw, 50px);
}

.page-faq .guide-section p,
.page-faq .guide-section li {
  line-height: 1.78;
}

.page-faq .overview-grid,
.page-faq .stuck-grid,
.page-faq .display-grid,
.page-faq .path-grid {
  margin-top: clamp(16px, 2.5vw, 26px);
}

.page-faq .panel {
  border-radius: var(--radius);
}

.page-faq .reader-target .panel--paper {
  color: var(--faq-paper-ink);
}

.page-faq .mini {
  margin: 2px 0 0;
  font-size: 0.86em;
  line-height: 1.7;
  color: var(--faq-paper-soft);
}

.page-faq .read-tips {
  list-style: none;
  margin: 12px 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .read-tips li {
  font-size: 0.92em;
  color: var(--muted);
}

.page-faq .read-tips__key {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 0.72em;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .step-figure {
  margin: clamp(16px, 2.5vw, 26px) 0 0;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--ink-2);
}

.page-faq .stuck-figure {
  margin: 0;
  align-self: start;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--ink-2);
}

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

.page-faq .media__caption {
  margin: 0;
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.72em;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .step-rail {
  list-style: none;
  margin: clamp(16px, 2.5vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .step-node {
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--violet);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(42, 36, 64, 0.78), rgba(11, 11, 20, 0.92));
  box-shadow: var(--shadow-deep);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-faq .step-node:hover {
  border-color: var(--line-violet-strong);
  transform: translateY(-2px);
}

.page-faq .step-node--key {
  border-top-color: var(--amber);
}

.page-faq .step-node__num {
  display: inline-block;
  padding: 2px 9px;
  border: 1px solid var(--line-violet-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.72em;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .step-node--key .step-node__num {
  color: var(--amber);
  border-color: rgba(245, 185, 66, 0.5);
}

.page-faq .step-node__title {
  margin: 10px 0 6px;
  font-family: var(--font-display);
  font-size: 1.08em;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-faq .step-node__text {
  margin: 0;
  font-size: 0.88em;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .stuck-item {
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--violet);
  border-radius: var(--radius);
  background: rgba(42, 36, 64, 0.5);
  overflow: hidden;
}

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

.page-faq .stuck-item summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 0.95em;
  line-height: 1.55;
  color: var(--paper);
}

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

.page-faq .stuck-item summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--amber);
}

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

.page-faq .stuck-item p {
  margin: 0;
  padding: 0 16px 15px;
  font-size: 0.9em;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .res-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-faq .res-list li {
  display: grid;
  gap: 3px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 0.9em;
  color: var(--muted);
}

.page-faq .res-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .res-list__dim {
  font-family: var(--font-mono);
  font-size: 0.95em;
  letter-spacing: 0.08em;
  color: var(--amber);
}

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

.page-faq .tip-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.94em;
  line-height: 1.72;
  color: var(--faq-paper-soft);
}

.page-faq .tip-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 9px;
  height: 2px;
  background: var(--blue);
}

.page-faq .path-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(139, 92, 246, 0.18), rgba(11, 11, 20, 0.92) 62%);
}

.page-faq .path-card__kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.76em;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .path-card__text {
  margin: 0;
  font-size: 0.92em;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .path-links {
  margin: 18px 0 0;
  font-size: 0.92em;
  line-height: 1.9;
  color: var(--muted);
}

.page-faq .path-links a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .path-links a:hover,
.page-faq .path-links a:focus-visible {
  color: var(--cyan);
}

.page-faq .contact-strip {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line-violet-strong);
  border-radius: var(--radius);
  background: rgba(42, 36, 64, 0.5);
}

.page-faq .contact-strip__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72em;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .contact-strip__value {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 0.95em;
  color: var(--paper);
  word-break: break-all;
}

.page-faq .qa-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-faq .qa-tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: rgba(42, 36, 64, 0.5);
  color: var(--muted);
  font-size: 0.82em;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-faq .qa-tab:hover {
  border-color: var(--line-violet-strong);
  color: var(--paper);
}

.page-faq .qa-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-faq .qa-tab:has(.qa-radio:checked) {
  background: var(--violet);
  border-color: var(--violet);
  color: #FFFFFF;
}

.page-faq .qa-tab:focus-within {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa-item {
  padding: 0 16px;
  border-radius: var(--radius);
  border-left: 3px solid var(--blue);
  background: var(--paper);
  color: var(--faq-paper-ink);
}

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

.page-faq .qa-item summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-size: 1em;
  line-height: 1.6;
  font-weight: 600;
  color: var(--faq-paper-ink);
}

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

.page-faq .qa-item__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.78em;
  letter-spacing: 0.06em;
  color: #6B4BC4;
}

.page-faq .qa-item summary::after {
  content: "▾";
  margin-left: auto;
  font-size: 0.8em;
  color: #6B4BC4;
  transition: transform 0.2s ease;
}

.page-faq .qa-item[open] summary::after {
  transform: rotate(180deg);
}

.page-faq .qa-item p {
  margin: 0;
  padding: 0 0 16px;
  font-size: 0.94em;
  line-height: 1.8;
  color: var(--faq-paper-soft);
}

@supports selector(:has(*)) {
  .page-faq .qa-filter:has(#qa-ver:checked) .qa-item:not([data-cat="ver"]),
  .page-faq .qa-filter:has(#qa-step:checked) .qa-item:not([data-cat="step"]),
  .page-faq .qa-filter:has(#qa-dev:checked) .qa-item:not([data-cat="dev"]),
  .page-faq .qa-filter:has(#qa-sub:checked) .qa-item:not([data-cat="sub"]),
  .page-faq .qa-filter:has(#qa-dl:checked) .qa-item:not([data-cat="dl"]) {
    display: none;
  }
}

@media (min-width: 680px) {
  .page-faq .step-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 900px) {
  .page-faq .guide-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: clamp(28px, 4vw, 52px);
  }
}

@media (min-width: 1024px) {
  .page-faq .guide-shell {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-faq .guide-anchors {
    position: sticky;
    top: 96px;
    padding-bottom: 0;
  }

  .page-faq .anchor-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
    overflow-x: visible;
    padding-bottom: 0;
  }

  .page-faq .anchor-link {
    padding: 8px 10px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    font-size: 0.9rem;
  }

  .page-faq .anchor-link:hover,
  .page-faq .anchor-link:focus-visible {
    border-left-color: var(--cyan);
    background: rgba(42, 36, 64, 0.55);
  }
}

@media (min-width: 1200px) {
  .page-faq .step-rail {
    gap: 16px;
  }

  .page-faq .stuck-grid .stuck-figure {
    position: sticky;
    top: 108px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .step-node,
  .page-faq .anchor-link,
  .page-faq .tool-btn,
  .page-faq .qa-item summary::after,
  .page-faq .qa-tab {
    transition: none;
  }

  .page-faq .step-node:hover {
    transform: none;
  }
}
<<<END>>>