.page-faq {
  --faq-orange: #F97316;
  --faq-cyan: #06B6D4;
  --faq-purple: #7C3AED;
  --faq-card-bg: #131C2E;
  --faq-card-bg-deep: #0E1626;
  --faq-line: #2A3A55;
  position: relative;
  background: var(--color-bg-dark);
  color: var(--color-text);
  font-family: var(--font-body);
  overflow: hidden;
}

.page-faq a {
  color: var(--color-secondary);
  text-decoration: none;
  border-bottom: 1px solid rgba(6, 182, 212, 0.4);
  transition: color .2s ease, border-color .2s ease;
}

.page-faq a:hover {
  color: var(--color-accent);
  border-color: rgba(249, 115, 22, 0.6);
}

.page-faq .container {
  width: min(1180px, 100% - 32px);
  margin-inline: auto;
}

.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  letter-spacing: 0.04em;
}

.page-faq .breadcrumb a {
  color: var(--color-text-muted);
  border: none;
  padding: 4px 0;
}

.page-faq .breadcrumb a:hover {
  color: var(--color-cyan, #06B6D4);
}

.page-faq .faq-hero {
  position: relative;
  padding: 128px 0 64px;
  background:
    linear-gradient(115deg, rgba(124, 58, 237, 0.18) 0%, transparent 42%),
    linear-gradient(295deg, rgba(6, 182, 212, 0.12) 0%, transparent 50%),
    #0B0F19;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--faq-purple) 0%, var(--faq-cyan) 55%, var(--faq-orange) 100%);
}

.page-faq .faq-hero_inner {
  position: relative;
  z-index: 2;
  padding-right: 200px;
}

.page-faq .faq-hero_float {
  position: absolute;
  border-radius: 2px;
  transform: rotate(12deg);
  z-index: 1;
}

.page-faq .faq-hero_float--one {
  width: 220px;
  height: 220px;
  top: -40px;
  right: -30px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.28), rgba(6, 182, 212, 0.08));
  border: 1px solid rgba(124, 58, 237, 0.5);
}

.page-faq .faq-hero_float--two {
  width: 140px;
  height: 140px;
  bottom: -60px;
  left: 55%;
  background: linear-gradient(315deg, rgba(249, 115, 22, 0.22), rgba(6, 182, 212, 0.08));
  border: 1px solid rgba(249, 115, 22, 0.35);
  transform: rotate(-18deg);
}

.page-faq .faq-hero_kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--faq-cyan);
  background: rgba(6, 182, 212, 0.08);
  border-left: 3px solid var(--faq-cyan);
  padding: 6px 12px;
  margin-bottom: 20px;
}

.page-faq .faq-hero_title {
  font-family: var(--font-headline);
  font-size: clamp(2rem, 4.8vw, 3.6rem);
  font-weight: 800;
  line-height: 1.08;
  color: var(--color-text);
  margin: 0 0 20px;
  letter-spacing: -0.01em;
}

.page-faq .faq-hero_title-accent {
  display: block;
  font-style: italic;
  background: linear-gradient(90deg, var(--faq-purple), var(--faq-cyan), var(--faq-orange));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-faq .faq-hero_desc {
  max-width: 680px;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin: 0 0 36px;
}

.page-faq .faq-hero_search {
  position: relative;
  max-width: 560px;
}

.page-faq .faq-hero_search-input {
  width: 100%;
  padding: 14px 48px 14px 18px;
  background: var(--faq-card-bg);
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--faq-purple);
  color: var(--color-text);
  font-size: 1rem;
  font-family: var(--font-body);
  border-radius: 0;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.page-faq .faq-hero_search-input::placeholder {
  color: rgba(148, 163, 184, 0.6);
}

.page-faq .faq-hero_search-input:focus {
  border-color: var(--faq-cyan);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.12);
}

.page-faq .faq-hero_search-icon {
  position: absolute;
  top: 50%;
  right: 16px;
  transform: translateY(-50%);
  color: var(--faq-cyan);
  pointer-events: none;
}

.page-faq .faq-quick {
  position: relative;
  z-index: 2;
  margin-top: 48px;
}

.page-faq .faq-quick_grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.page-faq .faq-quick_item {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 14px;
  border: 1px solid var(--faq-line);
  background: var(--faq-card-bg);
  padding: 22px 18px;
  text-decoration: none;
  border-bottom: 3px solid transparent;
  border-radius: 0;
  position: relative;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.page-faq .faq-quick_item::after {
  content: "";
  position: absolute;
  right: -1px;
  top: -1px;
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, transparent 49%, rgba(124, 58, 237, 0.7) 50%, rgba(124, 58, 237, 0.7) 100%);
}

.page-faq .faq-quick_item--data {
  border-left: 3px solid var(--faq-purple);
}

.page-faq .faq-quick_item--function {
  border-left: 3px solid var(--faq-cyan);
}

.page-faq .faq-quick_item--scope {
  border-left: 3px solid var(--faq-orange);
}

.page-faq .faq-quick_item--support {
  border-left: 3px solid #10B981;
}

.page-faq .faq-quick_item:hover {
  transform: translateY(-3px);
  border-color: rgba(124, 58, 237, 0.55);
  background: rgba(30, 41, 59, 0.95);
}

.page-faq .faq-quick_num {
  grid-row: 1 / span 2;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--faq-cyan);
}

.page-faq .faq-quick_label {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.page-faq .faq-quick_item--scope .faq-quick_num {
  color: var(--faq-orange);
}

.page-faq .faq-quick_item--support .faq-quick_num {
  color: #10B981;
}

.page-faq .faq-quick_desc {
  grid-column: 2;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 4px;
  line-height: 1.5;
}

.page-faq .faq-deco {
  margin-top: 56px;
}

.page-faq .faq-deco_track {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 6px;
  height: 6px;
}

.page-faq .faq-deco_beam {
  display: block;
  background: linear-gradient(90deg, var(--faq-purple), rgba(124, 58, 237, 0.35));
  transform: skewX(-24deg);
}

.page-faq .faq-deco_beam--cyan {
  background: linear-gradient(90deg, var(--faq-cyan), rgba(6, 182, 212, 0.3));
}

.page-faq .faq-deco_beam--orange {
  background: linear-gradient(90deg, var(--faq-orange), rgba(249, 115, 22, 0.3));
}

.page-faq .faq-main {
  margin-top: 76px;
}

.page-faq .faq-main_layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
}

.page-faq .faq-filter {
  position: sticky;
  top: 84px;
  align-self: start;
  background: var(--faq-card-bg);
  border: 1px solid var(--faq-line);
  border-top: 4px solid var(--faq-purple);
  padding: 28px 22px;
}

.page-faq .faq-aside_title {
  font-family: var(--font-headline);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 18px;
  letter-spacing: 0.03em;
}

.page-faq .filter-bar {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  margin: 0;
}

.page-faq .filter-btn {
  display: block;
  width: 100%;
  background: transparent;
  border: 1px solid var(--faq-line);
  border-left: 3px solid transparent;
  color: var(--color-text-muted);
  text-align: left;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.4;
  padding: 10px 14px;
  cursor: pointer;
  transition: all .2s ease;
}

.page-faq .filter-btn:hover {
  color: var(--color-text);
  border-color: rgba(124, 58, 237, 0.5);
  transform: translateX(4px);
}

.page-faq .filter-btn.is-active {
  color: #fff;
  background: linear-gradient(90deg, rgba(124, 58, 237, 0.18), rgba(6, 182, 212, 0.08));
  border-left-color: var(--faq-purple);
  border-color: rgba(124, 58, 237, 0.5);
}

.page-faq .faq-filter_note {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin: 18px 0 0;
  line-height: 1.6;
  padding-top: 16px;
  border-top: 1px dashed var(--faq-line);
}

.page-faq .faq-filter_card {
  margin-top: 24px;
  padding: 18px;
  background: rgba(6, 182, 212, 0.06);
  border-left: 3px solid var(--faq-cyan);
}

.page-faq .faq-filter_card-title {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--faq-cyan);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.page-faq .faq-filter_card-line {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}

.page-faq .btn-small {
  display: inline-block;
  padding: 8px 14px;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}

.page-faq .faq-panels {
  display: flex;
  flex-direction: column;
  gap: 56px;
  min-width: 0;
}

.page-faq .faq-category_head {
  position: relative;
  margin-bottom: 28px;
  padding: 18px 22px;
  background: rgba(30, 41, 59, 0.72);
  border-right: 4px solid;
}

.page-faq .faq-category:nth-of-type(1) .faq-category_head,
.page-faq .faq-category:nth-child(1) .faq-category_head {
  border-right-color: var(--faq-purple);
}

.page-faq .faq-category:nth-of-type(2) .faq-category_head {
  border-right-color: var(--faq-cyan);
}

.page-faq .faq-category:nth-of-type(3) .faq-category_head {
  border-right-color: var(--faq-orange);
}

.page-faq .faq-category:nth-of-type(4) .faq-category_head {
  border-right-color: #10B981;
}

.page-faq .faq-category_tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.page-faq .faq-category_title {
  font-family: var(--font-headline);
  font-size: clamp(1.5rem, 2vw, 2.125rem);
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 6px;
}

.page-faq .faq-category_desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin: 0;
}

.page-faq .faq-item {
  position: relative;
  background: var(--faq-card-bg);
  border: 1px solid var(--faq-line);
  margin-top: 14px;
  transition: border-color .2s ease;
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  bottom: -1px;
  width: 4px;
  background: transparent;
  transition: background .2s ease;
}

.page-faq .faq-item:hover {
  border-color: rgba(124, 58, 237, 0.45);
}

.page-faq .faq-item[data-filter-value="data"]::before {
  background: var(--faq-purple);
}

.page-faq .faq-item[data-filter-value="feature"]::before {
  background: var(--faq-cyan);
}

.page-faq .faq-item[data-filter-value="scope"]::before {
  background: var(--faq-orange);
}

.page-faq .faq-item[data-filter-value="support"]::before {
  background: #10B981;
}

.page-faq .faq-item_trigger {
  display: flex;
  align-items: center;
  width: 100%;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  text-align: left;
  color: inherit;
  font: inherit;
}

.page-faq .faq-item_index {
  flex: 0 0 64px;
  width: 64px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  padding: 18px 0 18px 20px;
  border-right: 1px solid rgba(42, 58, 85, 0.6);
  margin-right: 18px;
}

.page-faq .faq-item_question {
  flex: 1;
  font-family: var(--font-headline);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
  padding: 18px 12px 18px 0;
  line-height: 1.5;
  letter-spacing: 0.01em;
}

.page-faq .faq-item_icon {
  position: relative;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  margin-right: 12px;
}

.page-faq .faq-item_icon::before,
.page-faq .faq-item_icon::after {
  content: "";
  position: absolute;
  background: var(--faq-cyan);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: background .2s ease;
}

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

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

.page-faq .faq-item_trigger[aria-expanded="true"] .faq-item_icon::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-item_content {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .25s ease;
  padding: 0;
}

.page-faq .faq-item_trigger[aria-expanded="true"] + .faq-item_content {
  max-height: 600px;
  padding: 0 24px 24px 102px;
}

.page-faq .faq-item_body {
  border-left: 2px solid rgba(6, 182, 212, 0.35);
  padding-left: 18px;
  animation: faqBodyIn .3s ease;
}

.page-faq .faq-item_body p {
  font-size: 0.96875rem;
  line-height: 1.85;
  color: #C4CEDD;
  margin: 0 0 12px;
}

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

.page-faq .faq-note-card {
  position: relative;
  overflow: hidden;
  margin-top: 12px;
  background: var(--faq-card-bg-deep);
  border: 2px solid rgba(124, 58, 237, 0.5);
  padding: 0;
}

.page-faq .faq-note-card_slant {
  position: absolute;
  top: 0;
  right: 0;
  width: 130px;
  height: 130px;
  background: linear-gradient(135deg, transparent 0%, transparent 48%, rgba(249, 115, 22, 0.7) 49%, rgba(249, 115, 22, 0.7) 51%, transparent 52%);
  opacity: 0.4;
}

.page-faq .faq-note-card_body {
  padding: 30px 24px 30px 96px;
  position: relative;
}

.page-faq .faq-note-card_body::before {
  content: "?";
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-headline);
  font-size: 2.75rem;
  font-weight: 800;
  font-style: italic;
  color: transparent;
  -webkit-text-stroke: 2px var(--faq-purple);
  line-height: 1;
}

.page-faq .faq-note-card_title {
  font-family: var(--font-headline);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 10px;
}

.page-faq .faq-note-card_text {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin: 0 0 12px;
  max-width: 68ch;
}

.page-faq .faq-note-card_hint {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--faq-cyan);
  background: rgba(6, 182, 212, 0.08);
  padding: 6px 12px;
  border-left: 2px solid var(--faq-cyan);
  margin: 0;
}

.page-faq .faq-dataflow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-top: 90px;
  padding-bottom: 90px;
}

.page-faq .faq-dataflow_text {
  background: linear-gradient(145deg, rgba(124, 58, 237, 0.12), rgba(6, 182, 212, 0.05));
  border: 1px solid var(--faq-line);
  border-left: 4px solid var(--faq-purple);
  padding: 36px 28px;
  position: relative;
}

.page-faq .faq-dataflow_kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--faq-purple);
  text-transform: uppercase;
  margin-bottom: 10px;
  background: rgba(124, 58, 237, 0.1);
  padding: 4px 10px;
}

.page-faq .faq-dataflow_title {
  font-family: var(--font-headline);
  font-size: clamp(1.5rem, 2.8vw, 2.25rem);
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

.page-faq .faq-dataflow_desc {
  font-size: 0.96875rem;
  line-height: 1.85;
  color: var(--color-text-muted);
  margin: 0 0 22px;
}

.page-faq .faq-dataflow_list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .faq-dataflow_list li {
  position: relative;
  padding: 10px 14px 10px 34px;
  background: rgba(19, 28, 46, 0.8);
  border: 1px solid rgba(42, 58, 85, 0.6);
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.5;
}

.page-faq .faq-dataflow_list li::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--faq-cyan);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.page-faq .faq-dataflow_visual {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--faq-line);
  background: var(--faq-card-bg);
}

.page-faq .faq-dataflow_visual::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--faq-purple), var(--faq-cyan), var(--faq-orange), var(--faq-purple));
  background-size: 300% 100%;
  animation: faqLineMove 6s linear infinite;
}

.page-faq .faq-dataflow_visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

.page-faq .faq-bg-deco {
  position: fixed;
  right: -200px;
  bottom: -120px;
  width: 420px;
  z-index: 0;
  opacity: 0.16;
  pointer-events: none;
}

.page-faq .faq-bg-deco img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  transform: rotate(-12deg);
}

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

@keyframes faqLineMove {
  0% {
    background-position: 0% 0;
  }
  100% {
    background-position: -300% 0;
  }
}

@media (max-width: 640px) {
  .page-faq .faq-hero {
    padding: 96px 0 48px;
  }

  .page-faq .faq-hero_inner {
    padding-right: 0;
  }

  .page-faq .faq-hero_title {
    font-size: clamp(1.75rem, 8vw, 2.25rem);
  }

  .page-faq .faq-hero_float {
    opacity: 0.5;
  }

  .page-faq .faq-hero_float--one {
    width: 130px;
    height: 130px;
  }

  .page-faq .faq-hero_float--two {
    width: 80px;
    height: 80px;
  }

  .page-faq .faq-quick_grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .page-faq .faq-quick_item {
    display: block;
    padding: 16px 12px;
  }

  .page-faq .faq-quick_item::after {
    display: none;
  }

  .page-faq .faq-quick_desc {
    display: block;
    margin-top: 6px;
  }

  .page-faq .faq-quick_num {
    display: inline-block;
    margin-right: 8px;
  }

  .page-faq .faq-quick_label {
    display: inline-block;
    font-size: 1rem;
  }

  .page-faq .faq-item_trigger {
    flex-wrap: nowrap;
  }

  .page-faq .faq-item_index {
    flex-basis: 44px;
    width: 44px;
    min-width: 44px;
    padding: 16px 0 16px 14px;
    margin-right: 12px;
    font-size: 0.8125rem;
  }

  .page-faq .faq-item_question {
    font-size: 0.9375rem;
    padding: 16px 10px 16px 0;
    line-height: 1.5;
  }

  .page-faq .faq-item_icon {
    flex-basis: 32px;
    width: 32px;
    min-width: 32px;
  }

  .page-faq .faq-item_trigger[aria-expanded="true"] + .faq-item_content {
    padding: 0 16px 20px;
  }

  .page-faq .faq-item_body {
    padding-left: 12px;
  }

  .page-faq .faq-item_body p {
    font-size: 0.875rem;
  }

  .page-faq .faq-note-card_body {
    padding: 26px 18px 26px 22px;
  }

  .page-faq .faq-note-card_body::before {
    display: none;
  }

  .page-faq .faq-note-card_slant {
    width: 70px;
    height: 70px;
  }

  .page-faq .faq-dataflow {
    margin-top: 64px;
    padding-bottom: 64px;
  }

  .page-faq .faq-dataflow_text {
    padding: 26px 18px;
  }
}

@media (min-width: 768px) {
  .page-faq .faq-quick_grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-faq .faq-main_layout {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 40px;
  }

  .page-faq .faq-dataflow {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-main {
    margin-top: 96px;
  }

  .page-faq .faq-main_layout {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-filter {
    margin-top: 8px;
  }
}

.page-faq {
  --color-cyan: var(--color-accent);
}