.page-faq {
  --faq-gap: clamp(64px, 9vw, 128px);
  --faq-line: 2px;
  color: var(--text);
  overflow-x: clip;
}

.page-faq .breadcrumb {
  padding: clamp(16px, 3vw, 28px) 0 12px;
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

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

.page-faq .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}

.page-faq .breadcrumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- hero ---------- */

.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: 28px;
  padding: clamp(22px, 5vw, 48px);
  border: var(--faq-line) solid var(--line);
  background:
    linear-gradient(148deg, var(--panel-2) 0%, var(--ink-2) 52%, var(--ink) 100%);
  box-shadow: var(--shadow-hard);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), 0 100%);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(115deg, transparent 0 22px, rgba(53, 242, 208, 0.05) 22px 23px);
  pointer-events: none;
}

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

.page-faq .faq-hero .tag {
  display: inline-block;
  margin: 0 0 14px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: clamp(30px, 7.2vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-hero__lead {
  margin: 0 0 24px;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-hero__media {
  position: relative;
  z-index: 1;
  margin: 0;
  border: var(--faq-line) solid var(--cyan-dim);
  background: var(--ink-2);
  overflow: hidden;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1000 / 600;
}

.page-faq .faq-hero__caption {
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  background: var(--panel);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* ---------- shell ---------- */

.page-faq .shell {
  margin-top: var(--faq-gap);
  padding-bottom: var(--faq-gap);
}

.page-faq .shell__rail {
  align-self: start;
}

.page-faq .rail-nav {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.page-faq .rail-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 9px 14px;
  border: var(--faq-line) solid var(--line);
  background: var(--panel);
  color: var(--text-dim);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--ease), border-color var(--ease), background var(--ease);
}

.page-faq .rail-nav__num {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--cyan);
}

.page-faq .rail-nav__link:hover {
  color: var(--text);
  border-color: var(--cyan-dim);
}

.page-faq .rail-nav__link[aria-current="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .rail-nav__link[aria-current="true"] .rail-nav__num {
  color: var(--ink);
}

/* ---------- sections ---------- */

.page-faq .faq-section {
  scroll-margin-top: 96px;
}

.page-faq .faq-section + .faq-section {
  margin-top: var(--faq-gap);
}

.page-faq .faq-section--last {
  padding-bottom: 8px;
}

.page-faq .section-head {
  margin-bottom: clamp(24px, 4vw, 44px);
  padding-bottom: 16px;
  border-bottom: var(--faq-line) solid var(--line);
}

.page-faq .section-head__title {
  margin: 8px 0 8px;
  font-family: var(--font-head);
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .section-head__note {
  margin: 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .num {
  font-family: var(--font-num);
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

/* ---------- step cards ---------- */

.page-faq .step-list {
  display: grid;
  gap: 22px;
}

.page-faq .step-card {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 18px 20px 14px;
  border: var(--faq-line) solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}

.page-faq .step-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hard);
  border-color: var(--cyan-dim);
}

.page-faq .step-card__rail {
  position: relative;
}

.page-faq .step-card__rail::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 54px;
  bottom: -24px;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, var(--band), rgba(27, 58, 49, 0));
}

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

.page-faq .step-card__num {
  position: relative;
  z-index: 1;
  display: inline-block;
  font-family: var(--font-num);
  font-size: 32px;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan);
  background: var(--panel);
  padding: 4px 6px 6px 0;
}

.page-faq .step-card__title {
  margin: 4px 0 10px;
  font-family: var(--font-head);
  font-size: 21px;
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-faq .step-card__desc {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
  max-width: 62ch;
}

.page-faq .step-card__check {
  list-style: none;
  margin: 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 9px;
}

.page-faq .step-card__check li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-dim);
}

.page-faq .check-icon {
  flex: 0 0 auto;
  margin-top: 3px;
  color: var(--cyan);
}

/* ---------- filter ---------- */

.page-faq .split {
  display: grid;
  gap: 20px;
}

.page-faq .filter-block {
  padding: 20px;
  border: var(--faq-line) solid var(--line);
  background: var(--panel);
}

.page-faq .mini-title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 17px;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-faq .filter-block p,
.page-faq .note-panel p,
.page-faq .filter-save p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .filter-save {
  margin-top: 20px;
  padding: 22px 20px;
  border: var(--faq-line) solid var(--cyan-dim);
  background: var(--panel-2);
  box-shadow: var(--shadow-soft);
}

.page-faq .filter-save__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ---------- qa ---------- */

.page-faq .qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa-item {
  border: var(--faq-line) solid var(--line);
  background: var(--panel);
  transition: border-color var(--ease), background var(--ease);
}

.page-faq .qa-item[open] {
  border-color: var(--cyan-dim);
  background: var(--panel-2);
}

.page-faq .qa-item__q {
  position: relative;
  display: block;
  padding: 16px 48px 16px 18px;
  font-family: var(--font-head);
  font-size: 16px;
  line-height: 1.45;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa-item__q::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-num);
  font-size: 20px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .qa-item[open] .qa-item__q::after {
  content: "−";
}

.page-faq .qa-item__q:hover {
  color: var(--cyan);
}

.page-faq .qa-item__a {
  padding: 0 18px 18px;
  border-top: 1px solid var(--line);
  margin-top: 0;
}

.page-faq .qa-item__a p {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-dim);
  max-width: 64ch;
}

.page-faq .qa-item__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
}

.page-faq .qa-item__a a:hover {
  color: var(--text);
  border-bottom-color: var(--text);
}

/* ---------- error compare ---------- */

.page-faq .error-grid {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 28px;
  border: var(--faq-line) solid var(--line);
  background: var(--panel);
}

.page-faq .error-grid__head {
  padding: 12px 16px;
  background: var(--band);
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--text);
  border-bottom: 1px solid var(--line);
}

.page-faq .error-grid__cell {
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-dim);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .error-grid__cell:nth-child(even) {
  color: var(--text);
}

/* ---------- board ---------- */

.page-faq .board-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  border: var(--faq-line) solid var(--line);
  background: var(--line);
}

.page-faq .board-cell {
  padding: 18px 16px;
  background: var(--panel);
  transition: background var(--ease);
}

.page-faq .board-cell:hover {
  background: var(--panel-2);
}

.page-faq .board-cell__label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-faq .board-cell__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 19px;
  line-height: 1.2;
  color: var(--cyan);
}

.page-faq .board-cell p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-dim);
}

.page-faq .note-panel {
  margin-top: 24px;
  padding: 22px 20px;
  border: var(--faq-line) solid var(--line);
  border-left: 4px solid var(--gold);
  background: var(--ink-2);
}

/* ---------- mobile ---------- */

.page-faq .mobile-split {
  display: grid;
  gap: 24px;
}

.page-faq .mobile-split__text .mini-title:not(:first-child) {
  margin-top: 24px;
}

.page-faq .mobile-split__text p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
  max-width: 58ch;
}

.page-faq .keep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .keep-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  font-size: 14px;
  color: var(--text);
}

.page-faq .keep-list__dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(53, 242, 208, 0.16);
}

.page-faq .mobile-split__tail {
  margin-top: 16px !important;
  font-size: 13.5px !important;
  color: var(--mist) !important;
}

.page-faq .mobile-split__media {
  margin: 0;
  border: var(--faq-line) solid var(--line);
  background: var(--ink-2);
  box-shadow: var(--shadow-soft);
  max-width: 320px;
}

.page-faq .mobile-split__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 800 / 1000;
}

.page-faq .mobile-split__media figcaption {
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

/* ---------- subscribe ---------- */

.page-faq .sub-grid {
  display: grid;
  gap: 16px;
}

.page-faq .sub-card {
  padding: 20px 18px;
  border: var(--faq-line) solid var(--line);
  background: var(--panel);
  transition: transform var(--ease), border-color var(--ease);
}

.page-faq .sub-card:hover {
  transform: translateY(-2px);
  border-color: var(--cyan-dim);
}

.page-faq .sub-card__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 18px;
  color: var(--text);
}

.page-faq .sub-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-dim);
}

/* ---------- stuck ---------- */

.page-faq .stuck {
  display: grid;
  gap: 24px;
}

.page-faq .stuck__list {
  display: grid;
  gap: 2px;
  border: var(--faq-line) solid var(--line);
  background: var(--line);
}

.page-faq .stuck__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 16px;
  background: var(--panel);
  align-items: start;
}

.page-faq .stuck__idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: var(--faq-line) solid var(--cyan);
  font-family: var(--font-num);
  font-size: 15px;
  color: var(--cyan);
}

.page-faq .stuck__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 16px;
  color: var(--text);
}

.page-faq .stuck__item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--mist);
}

.page-faq .stuck__cta {
  padding: 22px 20px;
  border: var(--faq-line) solid var(--cyan-dim);
  background: var(--panel-2);
  box-shadow: var(--shadow-soft);
}

.page-faq .stuck__cta p {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .stuck__cta a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
}

.page-faq .stuck__cta a:hover {
  color: var(--text);
  border-bottom-color: var(--text);
}

.page-faq .stuck__cta .btn {
  margin-bottom: 10px;
}

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

.page-faq .stuck__cta .btn--ghost {
  color: var(--text-dim);
}

.page-faq .stuck__cta .btn--ghost:hover {
  color: var(--ink);
}

/* ---------- responsive ---------- */

@media (min-width: 640px) {
  .page-faq .step-card {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 22px;
    padding: 26px 26px 26px 20px;
  }

  .page-faq .step-card__num {
    font-size: 44px;
  }

  .page-faq .step-card__rail::before {
    top: 68px;
  }

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

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

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

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: center;
    gap: clamp(32px, 5vw, 68px);
    padding: clamp(36px, 4.4vw, 62px);
  }

  .page-faq .faq-hero__lead {
    font-size: 16.5px;
  }

  .page-faq .split {
    grid-template-columns: 6fr 6fr;
    gap: 22px;
  }

  .page-faq .board-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

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

  .page-faq .mobile-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
    gap: 40px;
    align-items: start;
  }

  .page-faq .stuck {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 28px;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-faq .shell {
    display: grid;
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(32px, 3.6vw, 56px);
    align-items: start;
  }

  .page-faq .shell__rail {
    position: sticky;
    top: 108px;
  }

  .page-faq .rail-nav {
    flex-direction: column;
    gap: 6px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .rail-nav__link {
    width: 100%;
    white-space: normal;
    justify-content: flex-start;
    line-height: 1.4;
    text-align: left;
  }

  .page-faq .rail-nav__link[aria-current="true"] {
    box-shadow: var(--shadow-soft);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .step-card,
  .page-faq .sub-card,
  .page-faq .board-cell,
  .page-faq .rail-nav__link,
  .page-faq .qa-item {
    transition: color var(--ease), background var(--ease), border-color var(--ease);
  }

  .page-faq .step-card:hover,
  .page-faq .sub-card:hover {
    transform: none;
  }
}
<<<END>>>