.page-faq {
  background:
    radial-gradient(circle at 85% 8%, rgba(157, 78, 221, 0.16), transparent 26%),
    var(--c-bg);
  color: var(--c-ink);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

.page-faq__hero,
.page-faq__grid {
  width: 100%;
  max-width: 1440px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-faq__hero {
  padding-block: clamp(32px, 6vw, 72px) clamp(24px, 4vw, 48px);
  display: grid;
  gap: var(--sp-4);
  border-bottom: 1px solid var(--c-line-strong);
  margin-bottom: calc(var(--section-space) * 0.6);
}

.page-faq__breadcrumb {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--c-muted);
}

.page-faq__breadcrumb a {
  color: var(--c-lime);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.page-faq__breadcrumb a:hover {
  border-bottom-color: var(--c-lime);
}

.page-faq__breadcrumb span[aria-hidden="true"] {
  margin-inline: 8px;
  color: var(--c-line-strong);
}

.page-faq__title {
  font-family: var(--font-display);
  font-size: clamp(34px, 7vw, 72px);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0;
  max-width: 14em;
}

.page-faq__lead {
  margin: 0;
  font-size: 18px;
  color: var(--c-muted);
  max-width: 56em;
}

.page-faq__hero-figure {
  margin: var(--sp-2) 0 0;
}

.page-faq__hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 2px solid var(--c-line-strong);
  box-shadow: var(--shadow);
}

.page-faq__hero-caption {
  margin-top: var(--sp-2);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-muted);
  letter-spacing: 0.05em;
}

.page-faq__grid {
  display: grid;
  gap: var(--sp-4);
  padding-bottom: var(--section-space);
}

.page-faq__main {
  display: grid;
  gap: calc(var(--section-space) * 0.7);
  min-width: 0;
}

.page-faq__aside {
  display: grid;
  gap: var(--sp-4);
  align-content: start;
  min-width: 0;
}

.page-faq__section + .page-faq__section {
  border-top: 1px solid var(--c-line);
  padding-top: calc(var(--section-space) * 0.55);
}

.page-faq__section-head {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}

.page-faq .section-index {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--c-lime);
  background: rgba(163, 230, 53, 0.12);
  border: 1px solid rgba(163, 230, 53, 0.4);
  border-radius: 8px;
  padding: 4px 10px;
  flex-shrink: 0;
  line-height: 1.4;
}

.page-faq .section-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.1;
  margin: 0;
}

.page-faq__section-desc {
  margin: 0 0 var(--sp-4);
  color: var(--c-muted);
  font-size: 15px;
  max-width: 52em;
}

.page-faq__accordion {
  display: grid;
  gap: var(--sp-3);
}

.page-faq__faq-item {
  background: var(--c-panel);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.page-faq__faq-item:hover {
  border-color: var(--c-line-strong);
}

.page-faq__faq-item[open] {
  border-color: rgba(163, 230, 53, 0.55);
  background: var(--c-panel-deep);
  box-shadow: var(--shadow);
}

.page-faq__faq-summary {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4);
  cursor: pointer;
  font-weight: 600;
  font-size: 17px;
  list-style: none;
  user-select: none;
}

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

.page-faq__faq-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-orange);
  background: rgba(255, 107, 53, 0.1);
  border-radius: 6px;
  padding: 3px 8px;
  flex-shrink: 0;
}

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

.page-faq__faq-icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--c-lime);
}

.page-faq__faq-icon::before,
.page-faq__faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: currentColor;
  border-radius: 2px;
  transform: translate(-50%, -50%);
}

.page-faq__faq-icon::before {
  width: 14px;
  height: 2px;
}

.page-faq__faq-icon::after {
  width: 2px;
  height: 14px;
  transition: transform 0.2s;
}

.page-faq__faq-item[open] .page-faq__faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq__faq-body {
  padding: var(--sp-3) var(--sp-4) var(--sp-4);
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.7;
  border-top: 1px solid var(--c-line);
}

.page-faq__faq-body p {
  margin: 0;
}

.page-faq__faq-body a {
  color: var(--c-lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq__faq-body a:hover {
  color: var(--c-orange);
}

.page-faq__faq-item[open] .page-faq__faq-body {
  animation: faq-fade 0.25s ease;
}

@keyframes faq-fade {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq__filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}

.page-faq__filter {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.2;
  padding: 10px 16px;
  border: 2px solid var(--c-line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--c-ink);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.15s;
}

.page-faq__filter:hover {
  border-color: var(--c-lime);
  color: var(--c-lime);
}

.page-faq__filter.is-active {
  background: var(--c-orange);
  border-color: var(--c-orange);
  color: var(--c-panel-deep);
}

.page-faq__filter:focus-visible {
  outline: 2px solid var(--c-violet);
  outline-offset: 2px;
}

.page-faq__topic-grid {
  display: grid;
  gap: var(--sp-4);
}

.page-faq__topic-card {
  background: var(--c-panel);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  padding: var(--sp-4);
  display: grid;
  gap: var(--sp-2);
  align-content: start;
  transition: transform 0.2s, border-color 0.2s;
}

.page-faq__topic-card:hover {
  transform: translateY(-3px);
  border-color: var(--c-line-strong);
}

.page-faq__topic-card.is-hidden {
  display: none;
}

.page-faq__topic-title {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
}

.page-faq__topic-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-violet);
  background: rgba(157, 78, 221, 0.14);
  border-radius: 6px;
  padding: 2px 7px;
}

.page-faq__topic-desc {
  margin: 0;
  font-size: 14px;
  color: var(--c-muted);
}

.page-faq__topic-list {
  list-style: none;
  margin: var(--sp-2) 0 0;
  padding: var(--sp-3) 0 0;
  display: grid;
  gap: var(--sp-2);
  border-top: 1px solid var(--c-line);
}

.page-faq__topic-link {
  display: inline-block;
  font-size: 14px;
  line-height: 1.45;
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 1px dashed var(--c-line-strong);
  padding-bottom: 2px;
  transition: color 0.15s, border-color 0.15s;
}

.page-faq__topic-link:hover {
  color: var(--c-lime);
  border-bottom-color: var(--c-lime);
}

.page-faq__contact-card {
  background: linear-gradient(145deg, rgba(255, 107, 53, 0.08), transparent 40%), var(--c-panel);
  border: 2px solid var(--c-orange);
  border-radius: var(--radius);
  padding: var(--sp-4);
  display: grid;
  gap: var(--sp-3);
  box-shadow: 6px 6px 0 rgba(255, 107, 53, 0.18);
}

.page-faq__contact-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  margin: 0;
}

.page-faq__contact-intro {
  margin: 0;
  font-size: 14px;
  color: var(--c-muted);
}

.page-faq__contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--sp-2);
}

.page-faq__contact-item {
  display: grid;
  gap: 2px;
  padding: var(--sp-2);
  background: rgba(11, 12, 16, 0.35);
  border-radius: 10px;
}

.page-faq__contact-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-faq__contact-value {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-ink);
  word-break: break-word;
}

.page-faq__contact-note {
  margin: 0;
  font-size: 12px;
  color: var(--c-muted);
  border-top: 1px dashed var(--c-orange);
  padding-top: var(--sp-2);
}

.page-faq__contact-btn {
  display: block;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--c-panel-deep);
  background: var(--c-orange);
  border: 2px solid var(--c-orange);
  border-radius: 999px;
  padding: 12px 20px;
  text-decoration: none;
  transition: transform 0.15s, filter 0.15s;
}

.page-faq__contact-btn:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
}

.page-faq__aside-figure {
  margin: 0;
}

.page-faq__aside-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 2px solid var(--c-line);
}

.page-faq__aside-caption {
  margin-top: var(--sp-2);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-muted);
  letter-spacing: 0.05em;
}

@media (max-width: 1023px) {
  .page-faq__hero,
  .page-faq__grid {
    padding-inline: calc(var(--gutter) * 0.8);
  }
}

@media (min-width: 720px) {
  .page-faq__topic-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-faq__grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: var(--sp-4);
  }

  .page-faq__main {
    padding-right: var(--sp-4);
    border-right: 1px solid var(--c-line);
  }

  .page-faq__aside {
    padding-top: var(--sp-2);
  }
}