.page-faq {
  --faq-rail-w: 236px;
  --faq-cut: 16px;
  background: var(--ink);
  color: var(--paper);
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 18px 0 56px;
  background:
    radial-gradient(95% 75% at 84% -6%, rgba(140, 92, 255, .22), transparent 62%),
    radial-gradient(80% 66% at 3% 6%, rgba(53, 242, 214, .13), transparent 66%),
    var(--ink);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 34px;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 18px;
  font-family: var(--font-head);
  font-size: clamp(32px, 7.4vw, 76px);
  line-height: 1.04;
  font-weight: 900;
  letter-spacing: -.02em;
  transform: skewX(-2deg);
  transform-origin: left bottom;
}

.page-faq .faq-hero .lede {
  max-width: 60ch;
  color: var(--steel);
  font-size: 16px;
  line-height: 1.78;
  margin: 0;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__meta {
  list-style: none;
  display: grid;
  gap: 14px;
  margin: 30px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-metric {
  display: block;
  font-family: var(--font-mono);
  font-size: 19px;
  letter-spacing: .01em;
  color: var(--cyan);
}

.page-faq .faq-metric__label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--steel);
}

.page-faq .faq-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  clip-path: polygon(var(--faq-cut) 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%, 0 var(--faq-cut));
}

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

.page-faq .faq-hero__media figcaption {
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--steel);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-index {
  padding: 56px 0 32px;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-index .lede {
  max-width: 68ch;
  color: var(--steel);
  font-size: 16px;
  line-height: 1.78;
  margin: 0;
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-faq .faq-shell {
  display: grid;
  gap: 34px;
  padding: 40px 0 72px;
}

.page-faq .faq-rail__inner {
  border: 1px solid var(--line);
  background: var(--ink-2);
  padding: 18px 16px;
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, var(--faq-cut) 100%, 0 calc(100% - var(--faq-cut)));
}

.page-faq .faq-rail__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--violet);
  text-transform: uppercase;
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px;
  font-size: 14.5px;
  color: var(--steel);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-rail__list a .mono {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  color: var(--paper);
  border-left-color: var(--cyan);
  background: rgba(53, 242, 214, .07);
  outline: none;
}

.page-faq .faq-rail__hint {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--steel);
}

.page-faq .qa-group {
  scroll-margin-top: 24px;
}

.page-faq .qa-group + .qa-group {
  margin-top: 60px;
}

.page-faq .qa-group__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-faq .qa-group__num {
  flex: none;
  padding-top: 8px;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-faq .qa-group__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: clamp(20px, 3.4vw, 26px);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-faq .qa-group__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--steel);
}

.page-faq .qa {
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
  transition: border-color .2s var(--ease), transform .2s var(--ease), background .2s var(--ease);
}

.page-faq .qa + .qa {
  margin-top: 12px;
}

.page-faq .qa:hover {
  border-color: rgba(53, 242, 214, .38);
  transform: translateY(-2px);
}

.page-faq .qa[open] {
  background: var(--ink-2);
  border-color: rgba(53, 242, 214, .45);
}

.page-faq .qa > summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 18px 46px 18px 18px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
  transition: color .2s var(--ease);
}

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

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

.page-faq .qa[open] > summary::after {
  content: "−";
  color: var(--orange);
}

.page-faq .qa > summary:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: -3px;
}

.page-faq .qa__body {
  padding: 2px 18px 22px;
  border-top: 1px solid var(--line-soft);
  padding-top: 16px;
}

.page-faq .qa__lead {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
}

.page-faq .qa__lead a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 214, .4);
}

.page-faq .qa__lead a:hover {
  color: var(--orange);
  border-bottom-color: rgba(255, 122, 26, .6);
}

.page-faq .qa-steps {
  list-style: none;
  counter-reset: faqstep;
  display: grid;
  gap: 10px;
  margin: 0 0 14px;
  padding: 0;
}

.page-faq .qa-steps li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 36px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--steel);
}

.page-faq .qa-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  border: 1px solid var(--line);
  background: rgba(53, 242, 214, .07);
}

.page-faq .qa__time {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13.8px;
  line-height: 1.7;
  color: var(--steel);
}

.page-faq .qa__time a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 214, .4);
}

.page-faq .qa__time a:hover {
  color: var(--orange);
}

.page-faq .qa-badge {
  flex: none;
  display: inline-block;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--orange);
  border: 1px solid rgba(255, 122, 26, .42);
  background: rgba(255, 122, 26, .1);
}

.page-faq .tier-list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0 0 14px;
  padding: 0;
}

.page-faq .tier-list li {
  display: grid;
  gap: 6px;
  padding: 12px 14px;
  background: rgba(18, 29, 54, .85);
  border: 1px solid var(--line);
  border-left: 2px solid var(--violet);
}

.page-faq .tier-name {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--violet);
}

.page-faq .tier-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

.page-faq .qa-figure {
  margin: 0 0 18px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  clip-path: polygon(var(--faq-cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--faq-cut));
}

.page-faq .qa-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .qa-figure figcaption {
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--steel);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-support {
  padding: 56px 0 84px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(140, 92, 255, .12), transparent 72%);
}

.page-faq .faq-support .lede {
  max-width: 66ch;
  margin: 0;
  color: var(--steel);
  font-size: 16px;
  line-height: 1.78;
}

.page-faq .support-panel {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-faq .support-card {
  display: grid;
  gap: 10px;
  justify-items: start;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, var(--faq-cut) 100%, 0 calc(100% - var(--faq-cut)));
}

.page-faq .support-card__key {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--violet);
}

.page-faq .support-card__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.4;
  color: var(--paper);
  word-break: break-all;
}

.page-faq .support-card .copy-btn {
  padding: 7px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
  background: rgba(53, 242, 214, .08);
  border: 1px solid rgba(53, 242, 214, .45);
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .support-card .copy-btn:hover {
  background: rgba(53, 242, 214, .18);
  color: var(--ink);
}

.page-faq .support-card .copy-btn[data-state="done"] {
  color: var(--green);
  border-color: rgba(74, 222, 128, .55);
  background: rgba(74, 222, 128, .1);
}

.page-faq .support-card .copy-btn[data-state="fail"] {
  color: var(--red);
  border-color: rgba(255, 92, 122, .55);
  background: rgba(255, 92, 122, .1);
}

.page-faq .support-card__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--steel);
}

.page-faq .support-addr {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px dashed var(--line);
  background: rgba(11, 18, 36, .7);
}

.page-faq .support-addr .mono {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-faq .support-addr p {
  margin: 0;
  font-size: 14.5px;
  color: var(--paper);
}

.page-faq .support-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 24px;
}

.page-faq .support-links a {
  position: relative;
  font-size: 14.5px;
  color: var(--paper);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(53, 242, 214, .45);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

@media (min-width: 640px) {
  .page-faq .faq-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 22px 0 78px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    align-items: end;
    gap: 48px;
  }

  .page-faq .faq-hero__media {
    margin-bottom: 6px;
  }

  .page-faq .faq-shell {
    padding: 52px 0 96px;
  }

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

  .page-faq .qa__body {
    padding: 18px 24px 24px;
  }

  .page-faq .qa > summary {
    padding: 20px 54px 20px 24px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-rail__inner {
    position: sticky;
    top: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .faq-rail__list a,
  .page-faq .support-card .copy-btn,
  .page-faq .support-links a {
    transition: none;
  }

  .page-faq .faq-hero h1 {
    transform: none;
  }
}
<<<END>>>