.page-faq {
  --faq-gutter: 20px;
  --faq-glow-green: 0 0 24px rgba(57, 255, 20, 0.08);
  --faq-glow-cyan: 0 0 24px rgba(0, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
  background: var(--bg);
}

.page-faq .faq-container {
  max-width: var(--content);
  margin: 0 auto;
  padding: 0 var(--faq-gutter);
}

.page-faq .breadcrumb {
  margin-bottom: 32px;
  font-size: 0.8125rem;
}

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

.page-faq .breadcrumb__item {
  color: var(--text-secondary);
}

.page-faq .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--border);
}

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

.page-faq .breadcrumb__item a:hover {
  color: var(--primary);
}

.page-faq .section-index {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--secondary);
}

.page-faq .faq-hero {
  position: relative;
  padding: 36px 0 56px;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -20%;
  width: 80%;
  height: 100%;
  background: linear-gradient(135deg, rgba(57, 255, 20, 0.06) 0%, rgba(0, 255, 255, 0.1) 100%);
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
  z-index: 0;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient);
  opacity: 0.5;
  z-index: 1;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 2;
}

.page-faq .faq-hero__grid {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

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

.page-faq .faq-hero__title {
  font-family: var(--display);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0 0 20px;
}

.page-faq .faq-hero__title::after {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-left: 8px;
  background: var(--primary);
  box-shadow: 0 0 12px var(--primary);
  border-radius: 2px;
}

.page-faq .faq-hero__desc {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  line-height: 1.7;
  margin: 0 0 28px;
  max-width: 580px;
}

.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  background: rgba(18, 25, 39, 0.85);
  border: 1px solid var(--border);
  border-radius: 14px;
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.12), 0 8px 32px rgba(0, 0, 0, 0.25);
}

.page-faq .faq-search__icon {
  position: relative;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border: 2px solid var(--primary);
  border-radius: 50%;
}

.page-faq .faq-search__icon::after {
  content: "";
  position: absolute;
  bottom: -4px;
  right: -5px;
  width: 8px;
  height: 2px;
  background: var(--primary);
  transform: rotate(45deg);
  border-radius: 2px;
}

.page-faq .faq-search__text {
  flex: 1;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.page-faq .faq-search__key {
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--primary);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(57, 255, 20, 0.4);
  border-radius: 8px;
  padding: 4px 10px;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-faq .faq-search__key:hover {
  background: rgba(57, 255, 20, 0.12);
  color: #fff;
}

.page-faq .faq-hero__visual {
  position: relative;
}

.page-faq .faq-hero__img-frame {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.page-faq .faq-hero__img-frame::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(57, 255, 20, 0.1) 0%, transparent 40%);
  pointer-events: none;
}

.page-faq .faq-hero__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: 15px;
}

.page-faq .faq-hero__stat {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(10, 14, 23, 0.88);
  border: 1px solid rgba(57, 255, 20, 0.4);
  border-radius: 12px;
  padding: 12px 16px;
  backdrop-filter: blur(8px);
}

.page-faq .faq-hero__stat-num {
  display: block;
  font-family: var(--mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}

.page-faq .faq-hero__stat-label {
  display: block;
  font-size: 0.6875rem;
  color: var(--text-secondary);
  margin-top: 2px;
  letter-spacing: 0.04em;
}

.page-faq .faq-quick-nav {
  padding: 24px 0 8px;
}

.page-faq .faq-quick-nav__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.page-faq .faq-quick-nav__item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-quick-nav__item::before {
  content: "";
  position: absolute;
  top: 0;
  right: 12px;
  width: 26px;
  height: 2px;
  background: var(--primary);
  transform: rotate(45deg) translateY(6px);
  transform-origin: right top;
  opacity: 0.7;
}

.page-faq .faq-quick-nav__item--cyan::before {
  background: var(--secondary);
}

.page-faq .faq-quick-nav__item:hover {
  transform: translateY(-2px);
  border-color: rgba(57, 255, 20, 0.5);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3), 0 0 20px rgba(57, 255, 20, 0.08);
}

.page-faq .faq-quick-nav__item--cyan:hover {
  border-color: rgba(0, 255, 255, 0.5);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3), 0 0 20px rgba(0, 255, 255, 0.08);
}

.page-faq .faq-quick-nav__num {
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--primary);
}

.page-faq .faq-quick-nav__item--cyan .faq-quick-nav__num {
  color: var(--secondary);
}

.page-faq .faq-quick-nav__label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
}

.page-faq .faq-quick-nav__hint {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.page-faq .faq-body {
  padding: 24px 0 64px;
}

.page-faq .faq-body__grid {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.page-faq .faq-sidebar__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: none;
}

.page-faq .faq-sidebar__inner::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-sidebar__title {
  display: none;
}

.page-faq .faq-sidebar__nav {
  display: flex;
  gap: 8px;
  flex: 1;
}

.page-faq .faq-sidebar__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  white-space: nowrap;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-sidebar__link:hover {
  border-color: rgba(57, 255, 20, 0.4);
  box-shadow: 0 0 16px rgba(57, 255, 20, 0.06);
}

.page-faq .faq-sidebar__link--cyan:hover {
  border-color: rgba(0, 255, 255, 0.4);
  box-shadow: 0 0 16px rgba(0, 255, 255, 0.06);
}

.page-faq .faq-sidebar__code {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--primary);
}

.page-faq .faq-sidebar__link--cyan .faq-sidebar__code {
  color: var(--secondary);
}

.page-faq .faq-sidebar__name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}

.page-faq .faq-sidebar__note {
  display: none;
}

.page-faq .faq-section {
  margin-bottom: 56px;
}

.page-faq .faq-section__header {
  position: relative;
  margin-bottom: 24px;
  padding-left: 20px;
}

.page-faq .faq-section__header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
  border-radius: 2px;
}

.page-faq .faq-section--green .section-index {
  color: var(--primary);
}

.page-faq .faq-section--cyan .section-index {
  color: var(--secondary);
}

.page-faq .faq-section--green .faq-section__header::before {
  background: var(--primary);
  box-shadow: 0 0 12px rgba(57, 255, 20, 0.6);
}

.page-faq .faq-section--cyan .faq-section__header::before {
  background: var(--secondary);
  box-shadow: 0 0 12px rgba(0, 255, 255, 0.6);
}

.page-faq .faq-section__title {
  font-family: var(--display);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.2;
  margin: 8px 0 0;
  color: var(--text);
}

.page-faq .faq-favorite__figure {
  margin: 0 0 28px;
  padding: 14px;
  background: var(--elevation);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 10px 36px rgba(0, 0, 0, 0.22);
}

.page-faq .faq-favorite__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 10px;
  object-fit: cover;
}

.page-faq .faq-favorite__caption {
  margin-top: 12px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.6;
}

.page-faq .faq-command {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  padding: 16px 20px;
  border: 1px dashed rgba(57, 255, 20, 0.4);
  background: rgba(57, 255, 20, 0.04);
  border-radius: 12px;
}

.page-faq .faq-command__code {
  font-family: var(--mono);
  font-size: 0.9375rem;
  color: var(--primary);
  background: rgba(0, 0, 0, 0.3);
  padding: 6px 12px;
  border-radius: 6px;
  white-space: nowrap;
}

.page-faq .faq-command__hint {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.page-faq .accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .accordion__item {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .accordion__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: transparent;
  transition: background 0.2s ease;
}

.page-faq .accordion__item[data-open] {
  border-color: rgba(57, 255, 20, 0.45);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 24px rgba(57, 255, 20, 0.08);
}

.page-faq .accordion__item[data-open]::before {
  background: linear-gradient(180deg, var(--primary), var(--secondary));
}

.page-faq .faq-section--cyan .accordion__item[data-open] {
  border-color: rgba(0, 255, 255, 0.45);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 24px rgba(0, 255, 255, 0.08);
}

.page-faq .faq-section--cyan .accordion__item[data-open]::before {
  background: linear-gradient(180deg, var(--secondary), var(--primary));
}

.page-faq .accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 20px 20px 20px 24px;
  background: none;
  border: none;
  color: var(--text);
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.page-faq .accordion__label {
  word-break: break-word;
  line-height: 1.5;
}

.page-faq .accordion__icon {
  position: relative;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-faq .accordion__icon::before,
.page-faq .accordion__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 2px;
  background: var(--primary);
  transform: translate(-50%, -50%);
  transition: background 0.2s ease;
}

.page-faq .accordion__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-section--cyan .accordion__icon::before,
.page-faq .faq-section--cyan .accordion__icon::after {
  background: var(--secondary);
}

.page-faq .accordion__item[data-open] .accordion__icon {
  border-color: var(--primary);
  background: rgba(57, 255, 20, 0.08);
}

.page-faq .accordion__item[data-open] .accordion__icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-faq .faq-section--cyan .accordion__item[data-open] .accordion__icon {
  border-color: var(--secondary);
  background: rgba(0, 255, 255, 0.08);
}

.page-faq .accordion__panel {
  padding: 0 24px 22px;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.75;
}

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

.page-faq .faq-help {
  padding: 60px 0;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(18, 25, 39, 0.6) 0%, rgba(10, 14, 23, 0.9) 100%);
}

.page-faq .faq-help__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.page-faq .faq-help__card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-help__card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 255, 255, 0.5);
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.3), 0 0 20px rgba(0, 255, 255, 0.06);
}

.page-faq .faq-help__icon {
  font-family: var(--mono);
  font-size: 1.5rem;
  color: var(--secondary);
  line-height: 1;
}

.page-faq .faq-help__label {
  font-weight: 600;
  color: var(--text);
  font-size: 0.9375rem;
}

.page-faq .faq-help__desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: 48px 0 64px;
  }

  .page-faq .faq-hero__grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 40px;
    align-items: center;
  }

  .page-faq .faq-quick-nav__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .page-faq .faq-quick-nav__item {
    padding: 22px 20px;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .page-faq .faq-hero__stat {
    top: 18px;
    right: 18px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body__grid {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 48px;
    align-items: flex-start;
  }

  .page-faq .faq-sidebar {
    position: sticky;
    top: 100px;
  }

  .page-faq .faq-sidebar__inner {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-sidebar__title {
    display: block;
    font-family: var(--mono);
    font-size: 0.75rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 16px;
  }

  .page-faq .faq-sidebar__nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .page-faq .faq-sidebar__link {
    padding: 12px 16px;
    border-radius: 12px;
  }

  .page-faq .faq-sidebar__note {
    display: block;
    margin-top: 24px;
    padding: 18px;
    background: var(--elevation);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
  }

  .page-faq .faq-sidebar__note p {
    margin: 0 0 14px;
  }

  .page-faq .faq-sidebar__note .btn {
    width: 100%;
  }
}