.page-faq {
  --faq-space-8: 2rem;
  --faq-space-10: 2.5rem;
  --faq-space-14: 3.5rem;
  --faq-cut: 18px;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
}

.page-faq [id] {
  scroll-margin-top: calc(var(--header-height) + var(--space-4));
}

.page-faq img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: var(--faq-space-8) 0 0;
  border-bottom: 1px solid rgba(192,192,192,.25);
  background:
    radial-gradient(circle at 82% 8%, rgba(0,180,216,.16), transparent 34%),
    linear-gradient(135deg, rgba(17,34,64,.85), rgba(10,25,47,.35));
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: var(--space-6);
  padding: var(--space-4) var(--space-6) var(--faq-space-8);
}

.page-faq .faq-hero__overline {
  margin: var(--space-2) 0 0;
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: .8rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.page-faq .faq-hero__title {
  margin: var(--space-3) 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  line-height: .98;
  max-width: 15em;
}

.page-faq .faq-hero__lead {
  margin: var(--space-4) 0 0;
  max-width: 52rem;
  color: var(--color-muted);
  line-height: 1.75;
}

.page-faq .faq-search {
  position: relative;
  align-self: center;
  background: var(--color-surface);
  border: 1px solid rgba(192,192,192,.4);
  padding: var(--space-4) var(--space-4) var(--space-3);
}

.page-faq .faq-search::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 32px;
  height: 3px;
  background: var(--color-accent);
}

.page-faq .faq-search:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(57,255,20,.15);
}

.page-faq .faq-search__input {
  width: 100%;
  background: transparent;
  border: 0;
  outline: none;
  color: var(--color-text);
  font: inherit;
  padding: var(--space-2) 0;
}

.page-faq .faq-search__input::placeholder {
  color: rgba(136,146,176,.7);
}

.page-faq .faq-search__hint {
  display: block;
  margin-top: var(--space-2);
  color: var(--color-muted);
  font-size: .8rem;
  line-height: 1.5;
}

.page-faq .faq-hero__media {
  max-width: 960px;
  margin: 0 auto;
}

.page-faq .faq-hero__img {
  width: 100%;
  border: 1px solid rgba(192,192,192,.18);
}

.page-faq .faq-section {
  padding: var(--faq-space-10) var(--space-6);
}

.page-faq .faq-section__head {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.page-faq .faq-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: .95;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.page-faq .faq-section__title::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 28px;
  background: var(--color-accent);
  clip-path: polygon(0 0, 100% 35%, 100% 100%, 0 65%);
}

.page-faq .faq-section__desc {
  margin: 0;
  color: var(--color-muted);
  max-width: 46rem;
  line-height: 1.7;
}

.page-faq .faq-browser {
  display: grid;
  gap: var(--space-6);
}

.page-faq .faq-side {
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-4);
}

.page-faq .faq-side__label {
  margin: 0 0 var(--space-3);
  color: var(--color-muted);
  font-size: .84rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.page-faq .faq-filter-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-filter-btn {
  border: 1px solid rgba(192,192,192,.35);
  background: transparent;
  color: var(--color-muted);
  font: inherit;
  line-height: 1.4;
  padding: var(--space-2) var(--space-4);
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-filter-btn.is-active,
.page-faq .faq-filter-btn:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.page-faq .faq-filter-btn.is-active {
  background: rgba(57,255,20,.08);
}

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

.page-faq .faq-item {
  position: relative;
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid rgba(192,192,192,.15);
}

.page-faq .faq-item:hover {
  border-bottom-color: rgba(57,255,20,.55);
}

.page-faq .faq-item:hover::before {
  content: "";
  position: absolute;
  left: calc(var(--space-6) * -1);
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-accent);
}

.page-faq .faq-item__index {
  min-width: 2.5rem;
  padding-top: .3rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1;
  color: rgba(192,192,192,.45);
}

.page-faq .faq-item__body {
  flex: 1;
  min-width: 0;
}

.page-faq .faq-qa summary {
  list-style: none;
  cursor: pointer;
}

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

.page-faq .faq-q {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: baseline;
}

.page-faq .faq-q__title {
  flex: 1 1 70%;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.6;
}

.page-faq .faq-q__tools {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: auto;
  flex-wrap: wrap;
}

.page-faq .faq-q__hot {
  color: var(--color-accent);
  border: 1px solid rgba(57,255,20,.5);
  font-size: .72rem;
  line-height: 1;
  padding: .28rem .36rem;
  letter-spacing: .04em;
}

.page-faq .faq-q__icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border: 1px solid var(--color-metal);
  color: var(--color-accent);
}

.page-faq .faq-q__icon::before,
.page-faq .faq-q__icon::after {
  content: "";
  position: absolute;
  width: .7rem;
  height: 2px;
  background: currentColor;
}

.page-faq .faq-q__icon::after {
  transform: rotate(90deg);
  transition: transform .25s var(--ease);
}

.page-faq .faq-qa[open] .faq-q__icon::after {
  transform: rotate(0deg);
}

.page-faq .faq-a {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding: var(--space-4) var(--space-6);
  background: rgba(17,34,64,.55);
  border-left: 3px solid var(--color-accent);
  color: var(--color-muted);
}

.page-faq .faq-a p {
  margin: 0;
  line-height: 1.7;
}

.page-faq .faq-a a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
  overflow-wrap: break-word;
}

.page-faq .faq-a a:hover {
  text-decoration: none;
}

.page-faq .faq-cat-section {
  padding: var(--faq-space-8) var(--space-6) var(--faq-space-10);
  border-top: 1px solid rgba(192,192,192,.16);
  background:
    linear-gradient(180deg, transparent, rgba(17,34,64,.28));
}

.page-faq .faq-cat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.page-faq .faq-cat-card {
  display: grid;
  gap: var(--space-2);
  background: var(--color-surface);
  border: 1px solid rgba(192,192,192,.18);
  padding: var(--space-6);
  color: var(--color-text);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}

.page-faq .faq-cat-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.page-faq .faq-cat-card__num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  line-height: 1;
  color: var(--color-accent);
}

.page-faq .faq-cat-card__name {
  font-family: var(--font-display);
  font-size: 1.4rem;
}

.page-faq .faq-cat-card__desc {
  color: var(--color-muted);
  font-size: .82rem;
}

.page-faq .faq-cat-card__count {
  margin-top: var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px dashed rgba(192,192,192,.3);
  color: var(--color-accent);
  font-size: .78rem;
  letter-spacing: .06em;
}

.page-faq .faq-cat-blocks {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.page-faq .faq-cat-block {
  display: grid;
  gap: var(--space-4);
  background: rgba(17,34,64,.45);
  border: 1px solid rgba(192,192,192,.16);
  padding: var(--space-6);
}

.page-faq .faq-cat-block__meta {
  min-width: 0;
}

.page-faq .faq-cat-block__num {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-accent);
  line-height: 1;
}

.page-faq .faq-cat-block__name {
  margin: var(--space-2) 0 0;
  font-family: var(--font-display);
  font-size: 1.8rem;
  line-height: 1;
}

.page-faq .faq-cat-block__desc {
  margin: var(--space-2) 0 0;
  color: var(--color-muted);
  font-size: .85rem;
  line-height: 1.6;
}

.page-faq .faq-cat-links {
  display: grid;
  gap: var(--space-2);
}

.page-faq .faq-cat-link {
  display: flex;
  gap: var(--space-3);
  align-items: baseline;
  padding: var(--space-2) 0;
  border-bottom: 1px dashed rgba(192,192,192,.2);
  color: var(--color-muted);
  text-decoration: none;
  line-height: 1.6;
}

.page-faq .faq-cat-link__num {
  min-width: 1.8rem;
  font-family: var(--font-display);
  color: var(--color-metal);
}

.page-faq .faq-cat-link:hover {
  color: var(--color-accent);
}

.page-faq .faq-contact {
  border-top: 1px solid rgba(192,192,192,.2);
  padding: var(--faq-space-10) 0;
  background:
    radial-gradient(circle at 12% 20%, rgba(123,47,247,.12), transparent 26%),
    linear-gradient(135deg, rgba(17,34,64,.8), rgba(10,25,47,.4));
}

.page-faq .faq-contact::before {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-blue), transparent);
}

.page-faq .faq-contact__inner {
  display: grid;
  gap: var(--space-6);
  padding: var(--faq-space-8) var(--space-6) 0;
}

.page-faq .faq-contact__title {
  margin: var(--space-2) 0 var(--space-4);
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: .95;
}

.page-faq .faq-contact__desc {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.7;
}

.page-faq .faq-contact__list {
  display: grid;
  gap: var(--space-3);
  list-style: none;
  margin: var(--space-5) 0;
  padding: 0;
}

.page-faq .faq-contact__list li {
  border-left: 2px solid var(--color-accent);
  padding-left: var(--space-4);
  color: var(--color-muted);
  line-height: 1.7;
}

.page-faq .faq-contact__list strong {
  display: block;
  color: var(--color-text);
  font-size: .84rem;
}

.page-faq .faq-contact__note {
  color: var(--color-muted);
  font-size: .88rem;
  line-height: 1.7;
  margin: 0 0 var(--space-6);
}

.page-faq .faq-contact__note a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-faq .faq-contact__media {
  max-width: 640px;
}

.page-faq .faq-contact__media img {
  width: 100%;
}

@media (min-width: 560px) {
  .page-faq .faq-cat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 860px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
    align-items: center;
    gap: var(--faq-space-10);
    padding: var(--space-6) var(--space-6) var(--faq-space-14);
  }

  .page-faq .faq-browser {
    grid-template-columns: var(--faq-side-width, 250px) minmax(0, 1fr);
    gap: var(--faq-space-10);
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--header-height) + var(--space-6));
    align-self: start;
  }

  .page-faq .faq-filter-list {
    flex-direction: column;
    gap: var(--space-2);
  }

  .page-faq .faq-filter-btn {
    text-align: left;
    border-left: 3px solid transparent;
  }

  .page-faq .faq-filter-btn.is-active,
  .page-faq .faq-filter-btn:hover {
    border-left-color: var(--color-accent);
  }

  .page-faq .faq-item__index {
    font-size: 2.6rem;
    min-width: 4rem;
  }

  .page-faq .faq-cat-block {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: var(--faq-space-8);
  }

  .page-faq .faq-contact__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
    gap: var(--faq-space-10);
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-cat-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.page-faq {
  --faq-side-width: 1rem;
  --space-5: var(--space-6);
}