.page-faq {
  --faq-card: #131012;
  --faq-soft: #ACA59C;
  --faq-muted: #A49E95;
  position: relative;
  background:
    radial-gradient(circle at 88% 12%, rgba(74,14,78,0.42) 0, transparent 34%),
    radial-gradient(circle at 12% 82%, rgba(138,30,45,0.20) 0, transparent 28%),
    var(--ink);
  color: var(--paper);
  padding: 34px 18px 90px;
  overflow-x: clip;
  line-height: 1.6;
}

.page-faq .faq-inner {
  max-width: 1160px;
  margin: 0 auto;
  min-width: 0;
}

.page-faq .breadcrumbs {
  margin: 0 0 18px;
}

.page-faq .faq-hero {
  position: relative;
  border-left: 6px solid var(--pink);
  padding: 26px 48px 22px 20px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.02) 0 1px, transparent 1px 3px);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 0;
  bottom: 0;
  height: 8px;
  background: linear-gradient(90deg, var(--pink) 0 30%, var(--purple) 30% 60%, var(--red) 60% 100%);
  transform: skewX(-8deg);
}

.page-faq .faq-hero__mark {
  position: absolute;
  top: 10px;
  right: 8px;
  width: 40px;
  height: 40px;
  opacity: 0.7;
}

.page-faq .faq-hero__label {
  display: inline-block;
  background: var(--purple);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  padding: 4px 10px;
  transform: skewX(-8deg);
  margin-bottom: 14px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 13vw, 6rem);
  line-height: 0.95;
  margin: 4px 0 12px;
  color: var(--white);
  text-shadow: 4px 4px 0 var(--purple);
}

.page-faq .faq-hero__sub {
  font-size: clamp(1.05rem, 3vw, 1.45rem);
  font-weight: 700;
  color: var(--paper);
  margin: 0 0 8px;
}

.page-faq .faq-hero__desc {
  font-size: 0.92rem;
  color: var(--faq-soft);
  max-width: 560px;
  line-height: 1.7;
  margin: 0;
}

.page-faq .faq-hero__sys {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--cyan);
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.35);
  padding: 6px 12px;
  margin-top: 18px;
}

.page-faq .faq-filter__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin: 26px 0 32px;
}

.page-faq .faq-filter::before {
  content: "/// FILTER BY";
  flex-basis: 100%;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  color: var(--red);
  margin-bottom: -2px;
}

.page-faq .faq-filter__label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: #BDB6AC;
  background: transparent;
  border: 1px solid var(--border);
  padding: 8px 13px;
  cursor: pointer;
  user-select: none;
  display: inline-block;
  line-height: 1.2;
  transition: border-color 0.2s, color 0.2s, transform 0.2s, background 0.2s;
}

.page-faq .faq-filter__label:hover {
  border-color: var(--pink);
  color: var(--white);
  transform: translateY(-2px);
}

.page-faq #faq-f-all:checked ~ .faq-filter label[for="faq-f-all"],
.page-faq #faq-f-dl:checked ~ .faq-filter label[for="faq-f-dl"],
.page-faq #faq-f-dev:checked ~ .faq-filter label[for="faq-f-dev"],
.page-faq #faq-f-update:checked ~ .faq-filter label[for="faq-f-update"],
.page-faq #faq-f-index:checked ~ .faq-filter label[for="faq-f-index"],
.page-faq #faq-f-account:checked ~ .faq-filter label[for="faq-f-account"] {
  background: var(--pink);
  border-color: var(--pink);
  color: var(--ink);
  font-weight: 700;
  box-shadow: 3px 3px 0 var(--purple);
}

.page-faq #faq-f-all:focus-visible ~ .faq-filter label[for="faq-f-all"],
.page-faq #faq-f-dl:focus-visible ~ .faq-filter label[for="faq-f-dl"],
.page-faq #faq-f-dev:focus-visible ~ .faq-filter label[for="faq-f-dev"],
.page-faq #faq-f-update:focus-visible ~ .faq-filter label[for="faq-f-update"],
.page-faq #faq-f-index:focus-visible ~ .faq-filter label[for="faq-f-index"],
.page-faq #faq-f-account:focus-visible ~ .faq-filter label[for="faq-f-account"] {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-filter__radio:not(#faq-f-all):checked ~ .faq-layout .faq-section {
  display: none;
}

.page-faq #faq-f-dl:checked ~ .faq-layout #faq-dl-section,
.page-faq #faq-f-dev:checked ~ .faq-layout #faq-dev-section,
.page-faq #faq-f-update:checked ~ .faq-layout #faq-update-section,
.page-faq #faq-f-index:checked ~ .faq-layout #faq-index-section,
.page-faq #faq-f-account:checked ~ .faq-layout #faq-account-section {
  display: block;
}

.page-faq .faq-layout {
  display: grid;
  gap: 28px;
  margin-top: 36px;
}

.page-faq .faq-index {
  background: linear-gradient(180deg, #0F0C0D 0%, #121012 100%);
  border: 1px solid var(--border);
  padding: 18px 16px;
  position: relative;
  min-width: 0;
}

.page-faq .faq-index::after {
  content: "";
  position: absolute;
  left: -1px;
  top: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--pink) 0 24%, var(--purple) 24% 100%);
}

.page-faq .faq-index__inner {
  display: flex;
  gap: 12px;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
  min-width: 0;
}

.page-faq .faq-index__item + .faq-index__item {
  margin-top: 2px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 8px;
  color: #D8D2C8;
  text-decoration: none;
  font-size: 0.9rem;
  border-bottom: 1px dashed var(--border);
  transition: background 0.2s, padding-left 0.2s, color 0.2s;
}

.page-faq .faq-index__link:hover {
  background: var(--purple);
  color: var(--white);
  padding-left: 12px;
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--pink);
  flex: 0 0 auto;
}

.page-faq #faq-f-dl:checked ~ .faq-layout a[href="#faq-dl-section"],
.page-faq #faq-f-dev:checked ~ .faq-layout a[href="#faq-dev-section"],
.page-faq #faq-f-update:checked ~ .faq-layout a[href="#faq-update-section"],
.page-faq #faq-f-index:checked ~ .faq-layout a[href="#faq-index-section"],
.page-faq #faq-f-account:checked ~ .faq-layout a[href="#faq-account-section"] {
  background: var(--purple);
  color: var(--pink);
  padding-left: 12px;
}

.page-faq .faq-index__hint {
  display: none;
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--yellow);
  background: rgba(255, 184, 0, 0.07);
  border-left: 3px solid var(--yellow);
  padding: 8px 10px;
}

.page-faq .faq-filter__radio:not(#faq-f-all):checked ~ .faq-layout .faq-index__hint {
  display: block;
}

.page-faq .faq-index__note {
  margin-top: 16px;
  padding: 10px 12px;
  background: var(--purple-deep);
  border-left: 3px solid var(--cyan);
  font-size: 0.82rem;
  line-height: 1.65;
  color: #D8D0C8;
}

.page-faq .faq-index__note p {
  margin: 0;
}

.page-faq .faq-index__note p + p {
  margin-top: 6px;
}

.page-faq .faq-index__note strong {
  color: var(--white);
}

.page-faq .faq-index__note a {
  color: var(--cyan);
}

.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 56px;
  min-width: 0;
}

.page-faq .faq-section {
  margin: 0;
  scroll-margin-top: 90px;
}

.page-faq .faq-section__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--border);
}

.page-faq .faq-section__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--white);
  background: var(--purple);
  border: 1px solid var(--border);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  box-shadow: inset 0 0 0 3px rgba(0, 0, 0, 0.25);
}

.page-faq .faq-section__title {
  font-family: var(--font-display);
  font-size: 1.7rem;
  line-height: 1.1;
  margin: 0;
  color: var(--white);
}

.page-faq .faq-section__tag {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.2);
  padding: 4px 8px;
  transform: rotate(-2deg);
  white-space: nowrap;
}

.page-faq .faq-section__intro {
  margin: 14px 0 6px;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--faq-soft);
}

.page-faq .faq-figure {
  margin: 20px 0 24px;
  padding: 10px;
  background: #0E0B0C;
  border: 1px solid var(--border);
  transform: rotate(-0.4deg);
  position: relative;
}

.page-faq .faq-figure::before {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, transparent 50%, var(--pink) 50%);
  opacity: 0.75;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: contrast(1.05) saturate(0.95);
}

.page-faq .faq-figure figcaption {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
  padding: 8px 2px 2px;
}

.page-faq .faq-item {
  background: var(--faq-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--purple);
  margin-top: 14px;
  scroll-margin-top: 90px;
  transition: border-color 0.25s, background 0.25s, box-shadow 0.25s;
}

.page-faq .faq-item[open] {
  background: #1A1517;
  border-left-color: var(--pink);
  box-shadow: 6px 6px 0 rgba(74, 14, 78, 0.28);
}

.page-faq .faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 15px 16px;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

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

.page-faq .faq-item summary:hover {
  color: var(--white);
  background: rgba(255, 42, 122, 0.05);
}

.page-faq .faq-item__qnum {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--pink);
  background: rgba(255, 42, 122, 0.1);
  border: 1px solid rgba(255, 42, 122, 0.3);
  padding: 2px 5px;
  flex: 0 0 auto;
  letter-spacing: 0.06em;
}

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  line-height: 1;
  color: var(--pink);
  transition: transform 0.25s;
  flex: 0 0 auto;
}

.page-faq .faq-item[open] summary::after {
  transform: rotate(45deg);
}

.page-faq .faq-item__body {
  border-top: 1px dashed var(--border);
  padding: 6px 18px 18px;
  font-size: 0.93rem;
  line-height: 1.75;
  color: #CEC8BE;
}

.page-faq .faq-item__body p {
  margin: 12px 0 0;
}

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

.page-faq .faq-item__link {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--yellow);
  border: 1px dashed var(--border);
  padding: 4px 8px;
  text-decoration: none;
  letter-spacing: 0.04em;
}

.page-faq .faq-item__link:hover {
  border-color: var(--yellow);
  color: var(--yellow);
}

.page-faq .faq-item__note {
  margin-top: 12px;
  padding: 10px 12px;
  background: rgba(0, 229, 255, 0.06);
  border-left: 3px solid var(--cyan);
  font-size: 0.85rem;
  line-height: 1.65;
  color: #A9DDE7;
}

.page-faq .faq-code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--cyan);
  background: rgba(0, 0, 0, 0.35);
  padding: 2px 5px;
  border-radius: 3px;
  overflow-wrap: anywhere;
}

.page-faq .faq-help-cta {
  position: relative;
  margin-top: 60px;
  padding: 30px 24px;
  background: var(--purple);
  border-left: 6px solid var(--pink);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  overflow: hidden;
}

.page-faq .faq-help-cta::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 140px;
  height: 140px;
  background: repeating-linear-gradient(45deg, var(--pink) 0 8px, transparent 8px 16px);
  opacity: 0.25;
  transform: rotate(8deg);
}

.page-faq .faq-help-cta__text {
  position: relative;
  z-index: 1;
  flex: 1 1 280px;
}

.page-faq .faq-help-cta h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  margin: 0 0 8px;
  color: var(--white);
}

.page-faq .faq-help-cta p {
  font-size: 0.88rem;
  line-height: 1.65;
  color: #DCB9D8;
  margin: 0;
  max-width: 560px;
}

.page-faq .faq-help-cta__actions {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.page-faq .faq-legal-note {
  margin-top: 18px;
  padding: 12px 16px;
  border: 1px dashed var(--border);
  font-size: 0.8rem;
  color: var(--faq-muted);
  line-height: 1.7;
}

.page-faq .faq-legal-note a {
  color: var(--cyan);
}

@media (min-width: 900px) {
  .page-faq {
    padding: 48px 28px 100px;
  }

  .page-faq .faq-hero {
    padding-left: 24px;
  }

  .page-faq .faq-hero h1 {
    font-size: clamp(4rem, 8vw, 6rem);
  }

  .page-faq .faq-hero__mark {
    width: 56px;
    height: 56px;
    right: 16px;
    top: 16px;
  }

  .page-faq .faq-filter {
    margin: 36px 0 44px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 86px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item summary::after,
  .page-faq .faq-filter__label,
  .page-faq .faq-item,
  .page-faq .faq-index__link {
    transition: none;
  }
}