.page-faq {
  background:
    radial-gradient(1100px 520px at 82% -8%, rgba(77, 245, 255, 0.1), transparent 62%),
    radial-gradient(760px 420px at 6% 22%, rgba(255, 63, 164, 0.08), transparent 66%),
    var(--bg-0);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-faq .section {
  padding-block: clamp(2.75rem, 6vw, 5rem);
}

.page-faq .tut-crumb {
  border-bottom: 1px solid var(--line);
  background: rgba(4, 9, 18, 0.6);
}

.page-faq .breadcrumb {
  padding-block: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
}

/* ---------- hero ---------- */
.page-faq .tut-hero {
  position: relative;
  padding-block: clamp(2rem, 5vw, 4rem) clamp(2.5rem, 5vw, 4.25rem);
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: center top;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .tut-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--orange), transparent);
  opacity: 0.55;
}

.page-faq .tut-hero__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  grid-template-columns: 1fr;
}

.page-faq .tut-hero__lead .eyebrow {
  color: var(--orange);
}

.page-faq .tut-hero__lead h1 {
  margin-block: 0.6rem 1rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 7vw, 3.6rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.page-faq .tut-hero__lead .lede {
  max-width: 56ch;
  color: var(--muted);
  line-height: 1.85;
}

.page-faq .tut-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-faq .tut-hero__actions .btn {
  flex: 1 1 auto;
  min-width: 10rem;
  text-align: center;
}

.page-faq .tut-hero__board {
  position: relative;
  padding: 1.35rem 1.25rem 1.1rem;
  background: linear-gradient(160deg, var(--panel-strong), var(--bg-1) 78%);
  border: 1px solid var(--line-strong);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-faq .tut-hero__board::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 22px;
  height: 22px;
  background: linear-gradient(225deg, var(--cyan), transparent 70%);
}

.page-faq .tut-board__label {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-faq .tut-board__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.page-faq .tut-board__item {
  display: grid;
  grid-template-columns: 4.6rem 1fr;
  align-items: baseline;
  gap: 0.7rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px dashed var(--line);
}

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

.page-faq .tut-board__num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .tut-board__item:nth-child(2) .tut-board__num { color: var(--orange); }
.page-faq .tut-board__item:nth-child(3) .tut-board__num { color: var(--magenta); }
.page-faq .tut-board__item:nth-child(4) .tut-board__num { color: var(--violet); }

.page-faq .tut-board__text {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* ---------- shared head ---------- */
.page-faq .tut-head {
  max-width: 62ch;
}

.page-faq .tut-head .eyebrow {
  color: var(--cyan);
}

.page-faq .tut-head .section-title {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 4.4vw, 2.4rem);
  font-weight: 800;
  line-height: 1.16;
  margin-block: 0.55rem 0.85rem;
}

.page-faq .tut-head .lede {
  color: var(--muted);
  line-height: 1.85;
}

/* ---------- steps ---------- */
.page-faq .tut-steps {
  border-bottom: 1px solid var(--line);
}

.page-faq .tut-track {
  list-style: none;
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .tut-step {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
  padding: clamp(1.1rem, 3vw, 1.7rem);
  background: linear-gradient(180deg, var(--bg-1), var(--bg-0));
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
  opacity: 0;
  transform: translateY(14px);
}

.page-faq .tut-step.is-revealed {
  opacity: 1;
  transform: none;
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease), background 0.3s var(--ease);
}

.page-faq .tut-step:hover {
  background: linear-gradient(180deg, var(--panel-strong), var(--bg-1));
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-faq .tut-step__idx {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-faq .tut-step__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.page-faq .tut-step__body p {
  margin: 0 0 0.55rem;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.8;
}

.page-faq .tut-step__check {
  display: inline-block;
  margin-top: 0.3rem;
  padding-left: 0.7rem;
  border-left: 2px solid var(--cyan);
  color: var(--ink) !important;
  font-size: 0.86rem !important;
}

/* ---------- mobile setup ---------- */
.page-faq .tut-mobile {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(10, 28, 51, 0.55), transparent 60%);
}

.page-faq .tut-mobile__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
  grid-template-columns: 1fr;
  align-items: start;
}

.page-faq .tut-mobile__text .eyebrow {
  color: var(--magenta);
}

.page-faq .tut-mobile__text .section-title {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 4.4vw, 2.35rem);
  font-weight: 800;
  line-height: 1.16;
  margin-block: 0.55rem 0.9rem;
}

.page-faq .tut-mobile__text > p {
  color: var(--muted);
  line-height: 1.85;
}

.page-faq .tut-mobile__list {
  list-style: none;
  margin: 1.35rem 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-faq .tut-mobile__list li {
  position: relative;
  padding: 0.7rem 0.9rem 0.7rem 1.9rem;
  background: rgba(142, 124, 255, 0.08);
  border-left: 2px solid var(--magenta);
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.75;
}

.page-faq .tut-mobile__list li::before {
  content: "";
  position: absolute;
  left: 0.9rem;
  top: 1.15rem;
  width: 6px;
  height: 6px;
  background: var(--magenta);
  transform: rotate(45deg);
}

.page-faq .tut-mobile__list strong {
  color: var(--ink);
  margin-right: 0.35rem;
}

.page-faq .tut-mobile__tip {
  padding: 0.85rem 1rem;
  border: 1px dashed var(--line-strong);
  color: var(--ink);
  font-size: 0.88rem;
  line-height: 1.75;
}

.page-faq .tut-mobile__media {
  justify-self: stretch;
}

.page-faq .media-frame {
  position: relative;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line-strong);
}

.page-faq .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.06);
}

.page-faq .media-frame--tall .media-frame__img {
  aspect-ratio: 2 / 3;
}

.page-faq .media-frame--wide .media-frame__img {
  aspect-ratio: 2 / 1;
}

.page-faq .media-frame__scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(200deg, rgba(77, 245, 255, 0.16), transparent 45%, rgba(255, 156, 76, 0.12));
}

.page-faq .media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 0.6rem 0.85rem;
  background: rgba(4, 9, 18, 0.82);
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--muted);
}

/* ---------- family panel ---------- */
.page-faq .tut-family__panel {
  padding: clamp(1.4rem, 4vw, 2.5rem);
  background:
    linear-gradient(135deg, rgba(255, 156, 76, 0.1), transparent 45%),
    var(--bg-1);
  border: 1px solid var(--line-strong);
  border-top: 3px solid var(--orange);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-faq .tut-family__head .eyebrow {
  color: var(--orange);
}

.page-faq .tut-family__head .section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.2vw, 2.2rem);
  font-weight: 800;
  margin-block: 0.5rem 1.4rem;
}

.page-faq .tut-family__cols {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: 1fr;
}

.page-faq .tut-family__col {
  padding: 1rem 0 0;
  border-top: 1px solid var(--line);
}

.page-faq .tut-family__col h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-faq .tut-family__col p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.8;
}

/* ---------- preview ---------- */
.page-faq .tut-preview {
  border-bottom: 1px solid var(--line);
}

.page-faq .tut-preview__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  grid-template-columns: 1fr;
  align-items: center;
}

.page-faq .tut-preview__text .eyebrow {
  color: var(--cyan);
}

.page-faq .tut-preview__text .section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.2vw, 2.2rem);
  font-weight: 800;
  line-height: 1.18;
  margin-block: 0.55rem 0.9rem;
}

.page-faq .tut-preview__text p {
  color: var(--muted);
  line-height: 1.85;
  margin: 0 0 0.85rem;
}

.page-faq .tut-preview__text .btn {
  margin-top: 0.5rem;
}

/* ---------- Q&A ---------- */
.page-faq .tut-qa {
  border-bottom: 1px solid var(--line);
}

.page-faq .tut-qa__list {
  margin-top: clamp(1.5rem, 3.5vw, 2.25rem);
  display: grid;
  gap: 0.6rem;
}

.page-faq .tut-q {
  border: 1px solid var(--line);
  background: var(--bg-1);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .tut-q[open] {
  border-color: var(--line-strong);
  background: linear-gradient(180deg, var(--panel), var(--bg-1));
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-faq .tut-q__ask {
  cursor: pointer;
  padding: 0.95rem 2.4rem 0.95rem 1rem;
  position: relative;
  font-family: var(--font-sans);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--ink);
  list-style: none;
}

.page-faq .tut-q__ask::-webkit-details-marker {
  display: none;
}

.page-faq .tut-q__ask::after {
  content: "+";
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--orange);
}

.page-faq .tut-q[open] .tut-q__ask::after {
  content: "−";
  color: var(--cyan);
}

.page-faq .tut-q__answer {
  margin: 0;
  padding: 0 1rem 1rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.85;
}

/* ---------- help ---------- */
.page-faq .tut-help__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  grid-template-columns: 1fr;
  align-items: start;
}

.page-faq .tut-help__lead .eyebrow {
  color: var(--orange);
}

.page-faq .tut-help__lead .section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.2vw, 2.2rem);
  font-weight: 800;
  margin-block: 0.55rem 0.85rem;
}

.page-faq .tut-help__lead .lede {
  color: var(--muted);
  line-height: 1.85;
  margin-bottom: 1.2rem;
}

.page-faq .tut-help__channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .tut-help__channel {
  display: grid;
  gap: 0.3rem;
  padding: 1rem 1.1rem;
  background: var(--bg-1);
}

.page-faq .tut-help__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .tut-help__value {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--ink);
  word-break: break-word;
}

.page-faq .tut-help__note {
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--dim);
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .tut-step {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@media (min-width: 640px) {
  .page-faq .tut-step {
    grid-template-columns: 4.5rem 1fr;
    align-items: start;
    gap: 1.2rem;
  }

  .page-faq .tut-board__item {
    grid-template-columns: 5.2rem 1fr;
  }

  .page-faq .tut-family__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.4rem 1.8rem;
  }

  .page-faq .tut-help__channels {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 900px) {
  .page-faq .tut-hero__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .tut-hero__actions .btn {
    flex: 0 0 auto;
  }

  .page-faq .tut-mobile__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    gap: clamp(2rem, 5vw, 3.5rem);
  }

  .page-faq .tut-preview__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3rem);
  }

  .page-faq .tut-preview__media {
    order: 2;
  }

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

  .page-faq .tut-help__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }
}

@media (min-width: 1200px) {
  .page-faq .tut-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .tut-step {
    padding: 1.9rem 1.7rem;
  }
}
<<<END>>>