.page-faq {
  --faq-line: rgba(42, 59, 85, .9);
  --faq-line-soft: rgba(42, 59, 85, .5);
  --faq-card: linear-gradient(180deg, rgba(18, 31, 51, .94), rgba(11, 20, 36, .94));
  --faq-gap: clamp(16px, 2.6vw, 28px);
}

/* ---------- masthead ---------- */
.page-faq .faq-masthead {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 3.6vw, 44px) 0 clamp(26px, 3.4vw, 46px);
  border-bottom: 1px solid var(--steel);
  background:
    radial-gradient(760px 380px at 84% -12%, rgba(111, 231, 255, .16), transparent 70%),
    radial-gradient(560px 320px at 4% 112%, rgba(255, 138, 43, .13), transparent 72%),
    linear-gradient(180deg, var(--deep-2), var(--deep));
}

.page-faq .faq-masthead::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--faq-line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--faq-line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .8), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .8), transparent 78%);
}

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

.page-faq .faq-masthead__grid {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(18px, 2.4vw, 28px);
}

.page-faq .faq-masthead__lead h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.12;
  font-size: clamp(28px, 5.6vw, 54px);
  color: var(--ice);
  text-wrap: balance;
}

.page-faq .faq-masthead__sub {
  margin: 16px 0 0;
  max-width: 60ch;
  color: var(--mist);
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.85;
}

.page-faq .faq-masthead__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-masthead__aside {
  padding: 18px 20px 20px;
  background: var(--faq-card);
}

.page-faq .faq-masthead__aside-title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--cyan);
}

.page-faq .faq-facts {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-facts__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 9px;
  border-bottom: 1px dashed var(--faq-line);
}

.page-faq .faq-facts__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-facts dt {
  color: var(--mist);
  font-size: 13px;
}

.page-faq .faq-facts dd {
  margin: 0;
  color: var(--ice);
  font-size: 14px;
  font-weight: 700;
}

/* ---------- horizontal step rail ---------- */
.page-faq .faq-rail {
  display: grid;
  gap: 8px;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-rail a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 9px 13px;
  border: 1px solid var(--steel);
  border-radius: var(--radius-panel-alt);
  background: rgba(18, 31, 51, .72);
  color: var(--ice);
  font-size: 13px;
  text-decoration: none;
  transition: border-color .16s var(--ease), background .16s var(--ease), transform .16s var(--ease);
}

.page-faq .faq-rail a .mono {
  color: var(--cyan);
  font-size: 12px;
  flex: none;
}

.page-faq .faq-rail a:hover,
.page-faq .faq-rail a:focus-visible {
  border-color: var(--cyan);
  background: rgba(111, 231, 255, .1);
  transform: translateY(-2px);
}

/* ---------- track ---------- */
.page-faq .faq-track {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-track__rail {
  border: 1px solid var(--steel);
  border-radius: var(--radius-panel);
  background: var(--faq-card);
  padding: 16px 16px 14px;
}

.page-faq .faq-track__rail-label {
  margin: 0 0 12px;
  font-size: 10px;
  letter-spacing: .24em;
  color: var(--cyan);
}

.page-faq .faq-track__rail-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.page-faq .faq-track__rail-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  padding: 6px 10px 6px 0;
  color: var(--mist);
  font-size: 13px;
  text-decoration: none;
  border-left: 2px solid var(--faq-line);
  padding-left: 12px;
  transition: color .16s var(--ease), border-color .16s var(--ease), padding-left .16s var(--ease);
}

.page-faq .faq-track__rail-list a .mono {
  font-size: 11px;
  color: var(--steel);
  transition: color .16s var(--ease);
}

.page-faq .faq-track__rail-list a:hover,
.page-faq .faq-track__rail-list a:focus-visible {
  color: var(--ice);
  border-left-color: var(--cyan);
  padding-left: 16px;
}

.page-faq .faq-track__rail-list a:hover .mono,
.page-faq .faq-track__rail-list a:focus-visible .mono {
  color: var(--cyan);
}

.page-faq .faq-track__rail-note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--faq-line);
  color: var(--mist);
  font-size: 12px;
  line-height: 1.7;
}

.page-faq .faq-track__body {
  counter-reset: step;
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-faq .faq-figure {
  margin: 0;
  border-radius: var(--radius-panel);
  overflow: hidden;
}

.page-faq .step-card {
  position: relative;
  counter-increment: step;
  padding: 18px 18px 18px clamp(52px, 9vw, 66px);
  border: 1px solid var(--steel);
  border-radius: var(--radius-panel);
  background: var(--faq-card);
  box-shadow: var(--shadow-panel);
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}

.page-faq .step-card::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: clamp(12px, 2.4vw, 18px);
  top: 18px;
  padding: 3px 7px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--deep);
  background: linear-gradient(135deg, var(--cyan), #35b7d8);
}

.page-faq .step-card::after {
  content: "";
  position: absolute;
  left: calc(clamp(12px, 2.4vw, 18px) + 13px);
  top: 48px;
  bottom: -15px;
  width: 1px;
  background: linear-gradient(180deg, var(--steel), transparent);
}

.page-faq .step-card:last-child::after {
  display: none;
}

.page-faq .step-card:last-child::before {
  background: linear-gradient(135deg, var(--orange), #ffb066);
}

.page-faq .step-card:hover {
  border-color: rgba(111, 231, 255, .55);
  transform: translateY(-2px);
}

.page-faq .step-card h3 {
  margin: 0 0 8px;
  font-size: clamp(17px, 2.2vw, 21px);
  color: var(--ice);
}

.page-faq .step-card p {
  margin: 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.8;
}

.page-faq .step-card__meta {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--faq-line);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--cyan);
}

/* ---------- first run split ---------- */
.page-faq .faq-firstrun {
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-split {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-split h2 {
  margin: 10px 0 0;
}

.page-faq .faq-split__text .prose {
  margin-top: 16px;
}

.page-faq .faq-split__panel {
  padding: 20px;
  background: var(--faq-card);
}

.page-faq .faq-split__panel-title {
  margin: 0 0 14px;
  font-size: 10px;
  letter-spacing: .24em;
  color: var(--cyan);
}

.page-faq .faq-panel-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .faq-panel-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 8px;
  border-bottom: 1px solid var(--faq-line-soft);
  color: var(--ice);
  font-size: 14px;
}

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

.page-faq .faq-panel-list .mono {
  font-size: 11px;
  color: var(--orange);
}

.page-faq .faq-split__panel-foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--faq-line);
  color: var(--mist);
  font-size: 12px;
  line-height: 1.7;
}

/* ---------- win index ---------- */
.page-faq .faq-winindex {
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-winindex__grid {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-winindex__steps {
  display: grid;
  gap: 12px;
}

.page-faq .faq-mini {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--steel);
  border-radius: var(--radius-panel-alt);
  background: rgba(11, 20, 36, .7);
}

.page-faq .faq-mini__num {
  margin: 2px 0 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
}

.page-faq .faq-mini h3 {
  margin: 0 0 6px;
  font-size: 17px;
  color: var(--ice);
}

.page-faq .faq-mini p {
  margin: 0;
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.78;
}

.page-faq .faq-winindex__note {
  padding: 14px 16px;
  border-left: 2px solid var(--win-a);
  background: linear-gradient(90deg, rgba(255, 61, 139, .09), transparent 70%);
  border-radius: 0 var(--radius-panel-alt) var(--radius-panel-alt) 0;
}

.page-faq .faq-winindex__note p {
  margin: 0;
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.82;
}

.page-faq .faq-winindex__note p + p {
  margin-top: 10px;
}

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

.page-faq .faq-chart-panel {
  padding: 18px;
  background: var(--faq-card);
}

.page-faq .faq-chart-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.page-faq .faq-chart-panel__head .mono {
  margin: 0;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--mist);
}

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

.page-faq .faq-chart__grid line {
  stroke: var(--steel);
  stroke-width: 1;
  stroke-dasharray: 3 5;
}

.page-faq .faq-chart__line {
  fill: none;
  stroke: url(#faqWinGrad);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-faq .faq-chart__dots circle {
  fill: var(--deep);
  stroke: var(--win-b);
  stroke-width: 2;
}

.page-faq .faq-chart__label {
  fill: var(--mist);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .06em;
}

.page-faq .faq-chart-panel__foot {
  margin: 10px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--faq-line);
  color: var(--mist);
  font-size: 12px;
  line-height: 1.7;
}

/* ---------- lineup ---------- */
.page-faq .faq-lineup__panel {
  padding: clamp(18px, 3vw, 30px);
  background: var(--faq-card);
}

.page-faq .faq-lineup__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 20px;
}

.page-faq .faq-lineup__head h2 {
  margin: 8px 0 0;
  font-size: clamp(20px, 3vw, 30px);
}

.page-faq .faq-lineup__grid {
  display: grid;
  gap: 12px;
}

.page-faq .lineup-card {
  padding: 16px;
  border: 1px solid var(--steel);
  border-radius: var(--radius-panel-alt);
  background: rgba(5, 10, 20, .62);
}

.page-faq .lineup-card__tag {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-faq .lineup-card__pos {
  margin: 8px 0 0;
  color: var(--ice);
  font-size: 15px;
  font-weight: 600;
}

.page-faq .lineup-card__num {
  margin: 12px 0 6px;
  font-size: 11px;
  color: var(--mist);
  letter-spacing: .08em;
}

.page-faq .lineup-bar {
  height: 6px;
  border-radius: 999px;
  background: rgba(42, 59, 85, .8);
  overflow: hidden;
}

.page-faq .lineup-bar__fill {
  display: block;
  height: 100%;
  border-radius: 999px;
}

.page-faq .lineup-bar__fill--cyan {
  width: 72%;
  background: linear-gradient(90deg, var(--cyan), #35b7d8);
}

.page-faq .lineup-bar__fill--orange {
  width: 61%;
  background: linear-gradient(90deg, var(--orange), #ffb066);
}

.page-faq .lineup-card__note {
  margin: 10px 0 0;
  color: var(--mist);
  font-size: 12.5px;
  line-height: 1.7;
}

.page-faq .faq-lineup__foot {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--faq-line);
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chips li {
  padding: 5px 12px;
  border: 1px solid var(--steel);
  border-radius: 999px;
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: .04em;
}

.page-faq .faq-lineup__foot p {
  margin: 0;
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.82;
}

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

/* ---------- version ---------- */
.page-faq .faq-version {
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-version__grid {
  display: grid;
  gap: 14px;
}

.page-faq .faq-version__card {
  padding: 18px;
  background: var(--faq-card);
}

.page-faq .faq-version__card h3 {
  margin: 0 0 10px;
  font-size: 17px;
  color: var(--ice);
}

.page-faq .faq-version__card p {
  margin: 0;
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.8;
}

/* ---------- quick faq ---------- */
.page-faq .faq-quick {
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-quick__grid {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-quick__list {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.page-faq .qa {
  border: 1px solid var(--steel);
  border-radius: var(--radius-panel-alt);
  background: rgba(11, 20, 36, .82);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .qa[open] {
  border-color: rgba(111, 231, 255, .5);
  background: rgba(18, 31, 51, .9);
}

.page-faq .qa summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 44px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  color: var(--ice);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
}

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

.page-faq .qa summary::after {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform .28s var(--ease);
}

.page-faq .qa[open] summary::after {
  transform: rotate(-135deg);
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
  border-radius: var(--radius-panel-alt);
}

.page-faq .qa__body {
  padding: 0 16px 16px;
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.82;
}

.page-faq .faq-quick__figure {
  margin: 0;
  border-radius: var(--radius-panel);
  overflow: hidden;
}

/* ---------- support ---------- */
.page-faq .faq-support__panel {
  display: grid;
  gap: var(--faq-gap);
  padding: clamp(20px, 3.4vw, 34px);
  border: 1px solid var(--steel);
  border-radius: var(--radius-panel);
  background:
    radial-gradient(520px 240px at 92% -10%, rgba(255, 138, 43, .16), transparent 70%),
    var(--faq-card);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-support__lead h2 {
  margin: 8px 0 12px;
  font-size: clamp(20px, 3vw, 30px);
}

.page-faq .faq-support__lead p {
  margin: 0;
  max-width: 56ch;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.85;
}

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

.page-faq .faq-support__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  align-content: start;
}

.page-faq .faq-support__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--faq-line);
}

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

.page-faq .faq-support__label {
  color: var(--mist);
  font-size: 12px;
  letter-spacing: .06em;
}

.page-faq .faq-support__value {
  color: var(--ice);
  font-size: 13.5px;
  word-break: break-word;
}

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

/* ---------- media queries ---------- */
@media (min-width: 600px) {
  .page-faq .faq-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-version__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-rail {
    grid-template-columns: repeat(7, minmax(0, 1fr));
  }

  .page-faq .faq-masthead__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-track {
    grid-template-columns: 200px minmax(0, 1fr);
  }

  .page-faq .faq-track__rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  }

  .page-faq .faq-winindex__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  }

  .page-faq .faq-lineup__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-quick__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
  }

  .page-faq .faq-support__panel {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  }

  .page-faq .faq-version__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-quick__figure {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-rail a,
  .page-faq .step-card,
  .page-faq .faq-track__rail-list a,
  .page-faq .qa summary::after {
    transition: none;
  }

  .page-faq .faq-rail a:hover,
  .page-faq .step-card:hover {
    transform: none;
  }
}