.page-faq {
  position: relative;
  padding: 24px 0 72px;
  color: var(--c-text);
  background:
    radial-gradient(circle at 92% 2%, rgba(0, 255, 136, 0.08), transparent 300px),
    radial-gradient(circle at 8% 36%, rgba(0, 191, 255, 0.06), transparent 260px),
    linear-gradient(180deg, rgba(28, 40, 51, 0.6), rgba(10, 14, 20, 0) 460px);
}

.page-faq .container {
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 20px;
}

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

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-faq .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-faq .breadcrumb a {
  color: var(--c-dim);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .breadcrumb a:hover {
  color: var(--c-accent);
}

.page-faq .faq-head {
  display: grid;
  gap: 26px;
  align-items: center;
  padding: 20px 0 24px;
}

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

.page-faq .faq-head .section-tag,
.page-faq .faq-card-tag {
  font-family: var(--f-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-blue);
  margin-bottom: 10px;
}

.page-faq h1 {
  font-family: var(--f-display);
  font-size: clamp(44px, 9vw, 78px);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}

.page-faq h1::after {
  content: "";
  display: block;
  width: min(420px, 72%);
  height: 10px;
  margin-top: 14px;
  background: linear-gradient(90deg, var(--c-accent) 0 58%, var(--c-blue) 58% 100%);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 100%, 16px 100%);
}

.page-faq .page-lead {
  margin: 0 0 24px;
  max-width: 760px;
  color: var(--c-dim);
  font-size: 16px;
  line-height: 1.75;
}

.page-faq .faq-head-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-faq .faq-head-stats > div {
  border: 1px solid var(--c-line);
  background: rgba(18, 26, 36, 0.65);
  padding: 12px 16px;
  min-width: 130px;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

.page-faq .faq-head-stats strong {
  display: block;
  font-family: var(--f-display);
  font-size: 30px;
  line-height: 1;
  color: var(--c-accent);
}

.page-faq .faq-head-stats span {
  color: var(--c-dim);
  font-size: 13px;
}

.page-faq .faq-aside {
  max-width: 400px;
}

.page-faq .faq-q-figure {
  transform: rotate(2deg);
  box-shadow: var(--shadow-card);
}

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

.page-faq .faq-toc {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  padding: 14px 16px;
  margin: 8px 0 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  position: relative;
}

.page-faq .faq-toc::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 64px;
  height: 3px;
  background: var(--c-accent);
}

.page-faq .faq-toc-label {
  font-family: var(--f-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--c-blue);
  margin: 0;
}

.page-faq .faq-toc ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-faq .faq-toc a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--c-text);
  text-decoration: none;
  font-size: 14px;
  border: 1px solid transparent;
  padding: 6px 10px;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-toc a:hover {
  border-color: var(--c-line);
  background: var(--c-bg);
}

.page-faq .faq-toc-index {
  font-family: var(--f-display);
  color: var(--c-accent);
  font-weight: 700;
}

.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 4px 0 20px;
}

.page-faq .faq-filter-label {
  font-size: 14px;
  color: var(--c-dim);
  margin-right: 4px;
}

.page-faq .filter-btn {
  font: inherit;
  font-size: 14px;
  color: var(--c-text);
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  padding: 8px 14px;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .filter-btn:hover {
  border-color: var(--c-blue);
  color: var(--c-blue);
}

.page-faq .filter-btn[aria-pressed="true"] {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: var(--c-bg);
  font-weight: 700;
}

.page-faq .faq-layout {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-faq .faq-content {
  min-width: 0;
}

.page-faq .faq-section {
  padding: 22px 0 8px;
  border-top: 1px solid var(--c-line);
  position: relative;
}

.page-faq .faq-section[hidden] {
  display: none;
}

.page-faq .faq-section-head {
  margin-bottom: 16px;
  padding: 0 0 12px 16px;
  border-left: 4px solid var(--c-accent);
}

.page-faq .faq-section-head .section-tag {
  color: var(--c-blue);
  margin-bottom: 4px;
}

.page-faq .faq-section-head h2 {
  font-family: var(--f-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1;
  margin: 0 0 8px;
}

.page-faq .faq-section-desc {
  margin: 0;
  color: var(--c-dim);
  line-height: 1.6;
  max-width: 680px;
}

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

.page-faq .faq-item {
  margin: 0;
  border: 1px solid var(--c-line);
  background: rgba(18, 26, 36, 0.72);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(0, 255, 136, 0.6);
  background: var(--c-surface);
}

.page-faq .faq-item[open]::before {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-blue));
}

.page-faq .faq-item > summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 16px 16px 18px;
  cursor: pointer;
  user-select: none;
}

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

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: -2px;
}

.page-faq .faq-item h3 {
  font-family: var(--f-display);
  font-size: 19px;
  line-height: 1.35;
  margin: 0;
  font-weight: 700;
  color: var(--c-text);
}

.page-faq .faq-item[open] h3 {
  color: var(--c-accent);
}

.page-faq .faq-icon {
  position: relative;
  flex: 0 0 26px;
  width: 26px;
  height: 26px;
  border: 2px solid var(--c-blue);
  color: var(--c-blue);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.25s var(--ease);
}

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

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

.page-faq .faq-icon::after {
  width: 2px;
  height: 14px;
}

.page-faq .faq-item[open] .faq-icon {
  color: var(--c-accent);
  border-color: currentColor;
  transform: rotate(45deg);
}

.page-faq .faq-item > .faq-answer {
  padding: 4px 20px 18px 20px;
  color: var(--c-dim);
  border-top: 1px dashed var(--c-line);
  animation: page-faq-fade 0.24s var(--ease);
}

.page-faq .faq-answer > *:first-child {
  margin-top: 14px;
}

.page-faq .faq-answer p {
  margin: 10px 0 0;
  line-height: 1.75;
}

.page-faq .faq-answer a {
  color: var(--c-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-faq .faq-answer ol,
.page-faq .faq-answer ul {
  margin: 10px 0 0;
}

.page-faq .faq-answer .path-steps {
  list-style: none;
  padding-left: 0;
}

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

.page-faq .faq-path-figure {
  margin: 20px 0 4px;
}

.page-faq .faq-path-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .media-caption {
  color: var(--c-dim);
  font-size: 13px;
  line-height: 1.5;
  margin-top: 8px;
}

.page-faq .faq-side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .faq-side-card {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  padding: 20px;
  position: relative;
  box-shadow: var(--shadow-card);
}

.page-faq .faq-side-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-blue));
}

.page-faq .faq-side-card--reverse::before {
  background: linear-gradient(90deg, var(--c-blue), var(--c-accent));
}

.page-faq .faq-side-card h3 {
  font-family: var(--f-display);
  font-size: 24px;
  line-height: 1.2;
  margin: 8px 0 8px;
  font-weight: 800;
}

.page-faq .faq-side-card p {
  margin: 8px 0;
  line-height: 1.65;
  color: var(--c-dim);
}

.page-faq .faq-link-list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.page-faq .faq-link-list li {
  margin: 6px 0;
}

.page-faq .faq-link-list a {
  color: var(--c-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 191, 255, 0.35);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-link-list a:hover {
  color: var(--c-accent);
  border-bottom-color: var(--c-accent);
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
}

.page-faq .faq-contact-list li {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 14px;
}

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

.page-faq .faq-contact-list span:first-child {
  color: var(--c-blue);
  font-weight: 600;
}

.page-faq .faq-contact-list span:last-child {
  color: var(--c-text);
  word-break: break-word;
}

.page-faq .faq-contact-note {
  font-size: 13px;
}

.page-faq .faq-icp {
  font-size: 12px;
  color: var(--c-dim);
  border-top: 1px solid var(--c-line);
  margin-top: 12px;
  padding-top: 12px;
}

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

@media (min-width: 900px) {
  .page-faq {
    padding: 32px 0 96px;
  }

  .page-faq .faq-head {
    grid-template-columns: minmax(0, 1fr) 400px;
    padding: 36px 0 32px;
  }

  .page-faq .faq-aside {
    justify-self: end;
    width: 100%;
  }

  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 44px;
  }

  .page-faq .faq-side {
    position: sticky;
    top: 120px;
  }

  .page-faq .faq-section {
    padding-top: 28px;
  }

  .page-faq .faq-item h3 {
    font-size: 22px;
  }
}