.page-faq {
  --faq-sidebar-w: 252px;
  position: relative;
  overflow-x: hidden;
  background:
    linear-gradient(135deg, rgba(255, 107, 0, .04) 25%, transparent 25%),
    var(--c-bg);
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--c-border);
  padding: 32px 20px 40px;
}

.page-faq .faq-hero__inner {
  max-width: var(--container-w);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__ghost {
  position: absolute;
  right: -8px;
  top: 6px;
  font-family: var(--font-display);
  font-size: clamp(4.5rem, 13vw, 9.5rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, .07);
  letter-spacing: .03em;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--c-text-dim);
}

.page-faq .breadcrumb a {
  color: var(--c-accent-soft);
  text-decoration: none;
  transition: color .2s ease;
}

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

.page-faq .breadcrumb__sep {
  color: var(--c-text-dim);
}

.page-faq .faq-hero__kicker {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin: 0 0 10px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.2vw, 3.2rem);
  line-height: 1.15;
  color: var(--c-text);
  max-width: 900px;
  margin: 0 0 14px;
  letter-spacing: .02em;
}

.page-faq .faq-hero__lead {
  font-size: .95rem;
  line-height: 1.8;
  color: var(--c-text-dim);
  max-width: 680px;
  margin: 0;
}

.page-faq .faq-search {
  margin-top: 28px;
  max-width: 720px;
}

.page-faq .faq-search__bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--c-panel);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  padding: 2px 14px;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.page-faq .faq-search__bar:focus-within {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(255, 107, 0, .15);
}

.page-faq .faq-search__icon {
  width: 16px;
  height: 16px;
  border: 2px solid var(--c-text-dim);
  border-radius: 50%;
  position: relative;
  flex: 0 0 16px;
}

.page-faq .faq-search__icon::before {
  content: "";
  position: absolute;
  width: 2px;
  height: 7px;
  background: var(--c-text-dim);
  bottom: -6px;
  right: -3px;
  transform: rotate(-45deg);
}

.page-faq .faq-search__bar input {
  flex: 1;
  background: transparent;
  border: 0;
  outline: none;
  color: var(--c-text);
  font-family: var(--font-mono);
  font-size: .9rem;
  padding: 13px 0;
  min-width: 0;
}

.page-faq .faq-search__bar input::placeholder {
  color: var(--c-text-dim);
  opacity: .8;
}

.page-faq .faq-search__hints {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-size: .8rem;
  color: var(--c-text-dim);
}

.page-faq .faq-search__hints a {
  color: var(--c-text-dim);
  text-decoration: none;
  border: 1px solid var(--c-border);
  border-radius: 999px;
  padding: 3px 10px;
  font-family: var(--font-mono);
  transition: color .2s ease, border-color .2s ease;
}

.page-faq .faq-search__hints a:hover,
.page-faq .faq-search__hints a:focus-visible {
  color: var(--c-accent);
  border-color: var(--c-accent);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-faq .faq-hero__stat {
  background: var(--c-panel);
  border: 1px solid var(--c-border);
  border-radius: 10px;
  padding: 12px 16px;
  min-width: 104px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-hero__stat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--c-accent);
  opacity: .7;
}

.page-faq .faq-hero__stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.2;
  color: var(--c-text);
}

.page-faq .faq-hero__stat span {
  display: block;
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--c-text-dim);
  margin-top: 2px;
}

.page-faq .faq-layout {
  max-width: var(--container-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 36px 20px 48px;
}

.page-faq .faq-index {
  position: relative;
  background: linear-gradient(150deg, var(--c-bg-deep) 0%, var(--c-panel) 100%);
  border: 1px solid var(--c-border);
  border-radius: 16px;
  padding: 22px 20px;
  overflow: hidden;
}

.page-faq .faq-index::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-accent), transparent);
}

.page-faq .faq-index__title {
  display: block;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 14px;
}

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

.page-faq .faq-index__list a {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .85rem;
  color: var(--c-text-dim);
  text-decoration: none;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  padding: 8px 12px;
  transition: all .2s ease;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--c-bg);
  background: var(--c-accent);
  border-color: var(--c-accent);
}

.page-faq .faq-index__app {
  display: block;
  margin-top: 18px;
  padding: 14px 16px;
  background: var(--c-bg);
  border: 1px solid var(--c-accent);
  border-radius: 10px;
  text-decoration: none;
  position: relative;
}

.page-faq .faq-index__app::before {
  content: "↓";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-weight: 700;
}

.page-faq .faq-index__app-name {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--c-text);
}

.page-faq .faq-index__app-desc {
  display: block;
  font-size: .72rem;
  color: var(--c-text-dim);
  margin-top: 4px;
}

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

.page-faq .faq-section {
  margin-bottom: 48px;
}

.page-faq .faq-section:last-child {
  margin-bottom: 0;
}

.page-faq .faq-section__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.page-faq .faq-section__head > div {
  min-width: 0;
}

.page-faq .faq-section__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 32px;
  background: var(--c-accent);
  color: var(--c-bg);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .85rem;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  flex: 0 0 44px;
}

.page-faq .faq-section__head h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--c-text);
  margin: 0 0 2px;
  line-height: 1.2;
}

.page-faq .faq-section__head p {
  margin: 0;
  font-size: .8rem;
  color: var(--c-text-dim);
}

.page-faq .faq-item {
  border: 1px solid var(--c-border);
  border-left: 3px solid var(--c-border);
  border-radius: 10px;
  margin-bottom: 12px;
  background: var(--c-panel);
  transition: border-color .2s ease, background .2s ease;
}

.page-faq .faq-item[open] {
  border-left-color: var(--c-accent);
  background: rgba(18, 41, 77, .95);
}

.page-faq .faq-item summary {
  padding: 16px 18px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .9rem;
  color: var(--c-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  line-height: 1.5;
}

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

.page-faq .faq-item summary::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--c-accent);
  transform: rotate(45deg);
  flex: 0 0 8px;
  opacity: .7;
}

.page-faq .faq-item[open] summary::before {
  background: var(--c-accent-soft);
  opacity: 1;
}

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--c-accent);
  transition: transform .2s ease;
}

.page-faq .faq-item[open] summary::after {
  content: "–";
}

.page-faq .faq-item__body {
  padding: 0 20px 18px;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--c-text-dim);
}

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

.page-faq .faq-item__body p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-item mark {
  background: rgba(255, 107, 0, .18);
  color: var(--c-accent-soft);
  font-weight: 700;
  padding: 0 3px;
  border-radius: 2px;
}

.page-faq .faq-item img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  margin-top: 16px;
  object-fit: cover;
}

.page-faq .faq-sync-visual {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  margin-bottom: 18px;
  border: 1px solid var(--c-border);
  object-fit: cover;
}

.page-faq .faq-contact {
  margin-top: 56px;
  background: var(--c-bg-deep);
  border: 1px solid var(--c-border);
  border-radius: 16px;
  padding: 28px 20px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-contact::before {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, var(--c-accent) 0%, transparent 70%);
  opacity: .15;
}

.page-faq .faq-contact__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-contact__intro {
  font-size: .88rem;
  color: var(--c-text-dim);
  line-height: 1.7;
  max-width: 560px;
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact__item {
  display: grid;
  gap: 4px;
}

.page-faq .faq-contact__label {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-accent);
}

.page-faq .faq-contact__value {
  color: var(--c-text);
  font-size: .9rem;
  word-break: break-all;
}

.page-faq .faq-contact__more {
  margin: 20px 0 0;
  font-size: .82rem;
  color: var(--c-text-dim);
}

.page-faq .faq-contact__more a {
  color: var(--c-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 0, .4);
}

.page-faq .faq-contact__more a:hover,
.page-faq .faq-contact__more a:focus-visible {
  color: var(--c-accent-soft);
  border-bottom-color: var(--c-accent-soft);
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding: 56px 32px 48px;
  }

  .page-faq .faq-hero h1 {
    font-size: 3.1rem;
  }

  .page-faq .faq-hero__lead {
    font-size: 1.05rem;
  }

  .page-faq .faq-layout {
    flex-direction: row;
    align-items: flex-start;
    padding: 48px 32px 72px;
    gap: 36px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    width: var(--faq-sidebar-w);
    flex-shrink: 0;
    padding: 24px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
  }

  .page-faq .faq-index__list a {
    display: flex;
    justify-content: space-between;
    width: 100%;
    border-radius: 6px;
    padding: 9px 12px;
  }

  .page-faq .faq-index__list a::after {
    content: "→";
    opacity: .5;
    font-family: var(--font-mono);
  }

  .page-faq .faq-index__list a:hover::after,
  .page-faq .faq-index__list a:focus-visible::after {
    opacity: 1;
  }

  .page-faq .faq-section__head h2 {
    font-size: 1.6rem;
  }

  .page-faq .faq-item summary {
    font-size: .95rem;
  }

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