.page-faq {
  --faq-manual-bg: #FDFDFC;
  --faq-grid-line: rgba(6, 33, 23, 0.04);
  --faq-paper-white: #FFFFFF;
  --faq-mono: var(--font-mono);
  --faq-sans: var(--font-sans);
  background-color: var(--color-off-white);
  color: var(--color-ink);
  font-family: var(--font-sans);
  line-height: 1.8;
  overflow-x: clip;
}

.page-faq__hero {
  position: relative;
  background-color: var(--color-primary-dark);
  background-image: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 62%, var(--color-primary-light) 135%);
  color: var(--color-off-white);
  padding: 2.5rem 0 4.5rem;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 2.5rem), 0 100%);
}

.page-faq__hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

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

.page-faq .breadcrumb {
  color: rgba(248, 249, 250, 0.6);
  font-size: 0.85rem;
  margin-bottom: 2.25rem;
  font-family: var(--faq-mono);
}

.page-faq .breadcrumb a {
  color: var(--color-gold);
  text-decoration: none;
  transition: color 0.25s ease;
}

.page-faq .breadcrumb a:hover {
  color: var(--color-gold-light);
  text-decoration: underline;
}

.page-faq .breadcrumb [aria-current="page"] {
  color: rgba(248, 249, 250, 0.9);
}

.page-faq__hero-grid {
  display: grid;
  gap: 2.25rem;
}

.page-faq__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--faq-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold-light);
  margin-bottom: 0.85rem;
}

.page-faq__kicker::before {
  content: "";
  width: 2.5rem;
  height: 2px;
  background: var(--color-gold);
}

.page-faq__hero-title {
  font-size: clamp(2.6rem, 13vw, 4.6rem);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: 0.02em;
  margin: 0 0 0.9rem;
  color: #FFFFFF;
}

.page-faq__hero-desc {
  font-size: 1rem;
  max-width: 34rem;
  color: rgba(248, 249, 250, 0.8);
  margin: 0;
}

.page-faq__hero-side {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(212, 175, 55, 0.35);
  padding: 1.1rem 1.25rem 0.4rem;
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.2);
  align-self: start;
}

.page-faq__side-title {
  font-family: var(--faq-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--color-gold);
  margin: 0 0 0.5rem;
  border-bottom: 1px solid rgba(212, 175, 55, 0.35);
  padding-bottom: 0.55rem;
}

.page-faq__toc-item {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  padding: 0.65rem 0;
  text-decoration: none;
  color: rgba(248, 249, 250, 0.72);
  border-bottom: 1px solid rgba(248, 249, 250, 0.09);
  transition: color 0.25s ease, padding-left 0.25s ease;
  font-size: 0.95rem;
}

.page-faq__toc-item:hover {
  color: var(--color-gold-light);
  padding-left: 0.5rem;
}

.page-faq__toc-num {
  font-family: var(--faq-mono);
  font-size: 0.8rem;
  color: var(--color-gold);
  width: 2rem;
  text-align: right;
  flex-shrink: 0;
}

.page-faq__hero-note {
  position: absolute;
  top: 1.1rem;
  right: 0.4rem;
  opacity: 0.75;
}

.page-faq__manual {
  background-color: var(--faq-manual-bg);
  background-image:
    linear-gradient(to right, var(--faq-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--faq-grid-line) 1px, transparent 1px);
  background-size: 24px 24px;
  padding: 0.4rem 0 1.5rem;
}

.page-faq__chapter {
  scroll-margin-top: 3rem;
  padding-top: 3.2rem;
  position: relative;
}

.page-faq__chapter-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.75rem;
  border-bottom: 2px solid var(--color-smoke);
  padding-bottom: 1rem;
  position: relative;
}

.page-faq__chapter-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 6rem;
  height: 4px;
  background: var(--color-gold);
}

.page-faq__chapter--network .page-faq__chapter-head::after {
  background: var(--color-red);
}

.page-faq__chapter--version .page-faq__chapter-head::after {
  background: var(--color-primary-light);
}

.page-faq__chapter--other .page-faq__chapter-head::after {
  background: var(--color-primary);
}

.page-faq__chapter-num {
  font-family: var(--faq-mono);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-off-white);
  border: 1px solid var(--color-smoke);
  border-radius: 0.35rem;
  width: 3.25rem;
  height: 3.25rem;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  box-shadow: 3px 3px 0 var(--color-smoke);
}

.page-faq__chapter-title-group {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.page-faq__chapter-title {
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1.2;
  margin: 0;
}

.page-faq__chapter-tag {
  align-self: flex-start;
}

.page-faq__chapter-ref {
  margin-left: auto;
  font-family: var(--faq-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--color-primary-light);
  text-align: right;
  align-self: flex-end;
  writing-mode: vertical-rl;
  text-transform: uppercase;
  opacity: 0.7;
}

.page-faq__tag--green {
  color: var(--color-primary-light);
  border-color: var(--color-primary-light);
}

.page-faq__tag--neutral {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.page-faq__qitem {
  background: var(--faq-paper-white);
  border: 1px solid var(--color-smoke);
  border-left: 6px solid var(--color-primary-light);
  margin-bottom: 1rem;
  box-shadow: 0 2px 8px rgba(6, 33, 23, 0.06);
  transition: box-shadow 0.3s ease;
}

.page-faq__qitem:hover {
  box-shadow: 0 5px 18px rgba(6, 33, 23, 0.1);
}

.page-faq__chapter--device .page-faq__qitem {
  border-left-color: var(--color-gold);
}

.page-faq__chapter--network .page-faq__qitem {
  border-left-color: var(--color-red);
}

.page-faq__chapter--version .page-faq__qitem {
  border-left-color: var(--color-primary-light);
}

.page-faq__chapter--other .page-faq__qitem {
  border-left-color: var(--color-primary);
}

.page-faq__q-heading {
  margin: 0;
}

.page-faq__q-head {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.1rem;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: inherit;
  transition: background 0.25s ease;
}

.page-faq__q-head:hover {
  background: rgba(229, 229, 229, 0.35);
}

.page-faq__q-head:active {
  background: rgba(229, 229, 229, 0.6);
}

.page-faq__q-head:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: -2px;
}

.page-faq__q-mark {
  font-family: var(--faq-mono);
  font-size: 0.78rem;
  line-height: 1;
  color: #FFFFFF;
  background: var(--color-primary);
  padding: 0.32rem 0.5rem;
  border-radius: 0.2rem;
  flex-shrink: 0;
}

.page-faq__chapter--device .page-faq__q-mark {
  background: var(--color-gold);
  color: var(--color-primary-dark);
}

.page-faq__chapter--network .page-faq__q-mark {
  background: var(--color-red);
}

.page-faq__chapter--version .page-faq__q-mark {
  background: var(--color-primary-light);
}

.page-faq__q-title {
  font-weight: 800;
  font-size: 1rem;
  line-height: 1.55;
  flex: 1;
  transition: color 0.25s ease;
}

.page-faq__q-head:hover .page-faq__q-title {
  color: var(--color-primary);
}

.page-faq .fold__icon {
  width: 1.8rem;
  height: 1.8rem;
  margin-left: auto;
  position: relative;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid currentColor;
  color: var(--color-primary-light);
  transition: color 0.3s ease, background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.page-faq__chapter--device .fold__icon {
  color: var(--color-gold);
}

.page-faq__chapter--network .fold__icon {
  color: var(--color-red);
}

.page-faq__chapter--other .fold__icon {
  color: var(--color-primary);
}

.page-faq .fold__icon::before,
.page-faq .fold__icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  border-radius: 2px;
}

.page-faq .fold__icon::before {
  width: 0.7rem;
  height: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.page-faq .fold__icon::after {
  height: 0.7rem;
  width: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.page-faq .fold[data-open] .fold__icon {
  transform: rotate(135deg);
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-gold-light);
}

.page-faq .fold:not([data-open]) .fold__icon {
  transform: rotate(0deg);
}

.page-faq .fold__body[data-open] {
  display: block;
}

.page-faq .fold:not([data-open]) .page-faq__q-body {
  display: none;
}

.page-faq .fold__body-inner {
  padding: 1.25rem 1.15rem 1.4rem;
  background: rgba(46, 128, 96, 0.05);
  border-top: 1px dashed var(--color-smoke);
  position: relative;
}

.page-faq .fold__body-inner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: repeating-linear-gradient(to bottom, var(--color-smoke) 0 6px, transparent 6px 12px);
}

.page-faq__q-text p {
  margin: 0 0 0.75rem;
}

.page-faq__q-text p:last-child {
  margin-bottom: 0;
}

.page-faq__q-grid {
  display: grid;
  gap: 1.5rem;
}

.page-faq__steps {
  list-style: none;
  counter-reset: faq-step;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.page-faq__steps li {
  counter-increment: faq-step;
  position: relative;
  padding-left: 2.6rem;
  font-size: 0.95rem;
}

.page-faq__steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.12rem;
  width: 1.85rem;
  height: 1.85rem;
  border: 1px solid var(--color-primary-light);
  color: var(--color-primary);
  font-family: var(--faq-mono);
  font-size: 0.8rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--faq-paper-white);
}

.page-faq__simple-list {
  margin: 0.75rem 0 1rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.page-faq__simple-list li {
  padding-left: 1.2rem;
  position: relative;
  font-size: 0.95rem;
}

.page-faq__simple-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-gold);
  transform: rotate(45deg);
}

.page-faq__simple-list strong {
  color: var(--color-primary);
}

.page-faq__figure {
  margin: 0;
  align-self: center;
  border: 1px solid var(--color-smoke);
  box-shadow: 6px 6px 0 rgba(6, 33, 23, 0.08);
}

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

.page-faq__figure .figure__caption {
  font-family: var(--faq-mono);
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--color-primary-light);
  background: var(--color-off-white);
  padding: 0.7rem 0.9rem;
  border-top: 1px dashed var(--color-smoke);
}

.page-faq__support {
  background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 72%);
  border-top: 6px solid var(--color-gold);
  margin-top: 3rem;
  padding: 4rem 0 4.2rem;
  position: relative;
}

.page-faq__support-inner {
  position: relative;
}

.page-faq__support-panel {
  max-width: 46rem;
  margin: 0 auto;
  text-align: center;
}

.page-faq__support-title {
  font-size: clamp(1.8rem, 6vw, 2.7rem);
  line-height: 1.2;
  font-weight: 900;
  color: #FFFFFF;
  margin: 0 0 0.8rem;
}

.page-faq__support-text {
  color: rgba(248, 249, 250, 0.82);
  max-width: 30rem;
  margin: 0 auto 1.5rem;
  font-size: 0.95rem;
}

.page-faq__support-btn.btn--ghost {
  border: 2px solid var(--color-gold);
  color: var(--color-gold);
  padding: 0.7rem 1.6rem;
  font-weight: 700;
  transition: background 0.25s ease, color 0.25s ease;
}

.page-faq__support-btn.btn--ghost:hover {
  background: var(--color-gold);
  color: var(--color-primary-dark);
}

.page-faq__support-note {
  font-family: var(--faq-mono);
  font-size: 0.8rem;
  color: var(--color-gold);
  margin-top: 1.6rem;
  letter-spacing: 0.04em;
}

@media (min-width: 768px) {
  .page-faq__hero {
    padding: 4rem 0 6rem;
  }

  .page-faq__hero-grid {
    grid-template-columns: 1.4fr 0.9fr;
    gap: 4rem;
    align-items: center;
  }

  .page-faq__hero-title {
    font-size: 4.2rem;
  }

  .page-faq__hero-desc {
    font-size: 1.05rem;
  }

  .page-faq__chapter {
    padding-top: 4.2rem;
  }

  .page-faq__chapter-title {
    font-size: 1.6rem;
  }

  .page-faq__q-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .page-faq__q-head {
    padding: 1.15rem 1.4rem;
  }

  .page-faq__q-title {
    font-size: 1.08rem;
  }

  .page-faq .fold__body-inner {
    padding: 1.5rem 1.75rem 1.6rem 2.4rem;
  }

  .page-faq__support {
    padding: 4.5rem 0 5rem;
  }
}

@media (min-width: 1024px) {
  .page-faq__hero {
    padding: 5rem 0 7rem;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 4rem), 0 100%);
  }

  .page-faq__hero-grid {
    gap: 5rem;
  }

  .page-faq__hero-title {
    font-size: 4.8rem;
  }

  .page-faq__chapter {
    padding-top: 5rem;
  }

  .page-faq__chapter-head {
    padding-bottom: 1.2rem;
  }

  .page-faq__chapter-ref {
    font-size: 0.72rem;
  }

  .page-faq__figure {
    margin-left: 0.5rem;
  }
}