.page-faq {
  --faq-line-soft: rgba(46, 95, 122, 0.55);
  --faq-line-faint: rgba(46, 95, 122, 0.32);
  --faq-card-bg: rgba(12, 38, 59, 0.62);
  background: var(--ink-900);
  color: var(--paper);
  padding-bottom: clamp(2.5rem, 7vw, 4.5rem);
}

.page-faq * {
  box-sizing: border-box;
}

.page-faq .faq-inline-link {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(99, 216, 232, 0.45);
  transition: color 160ms ease, border-color 160ms ease;
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* ---------- hero ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(1.25rem, 3.5vw, 2rem) 0 clamp(2rem, 5vw, 3rem);
  background:
    radial-gradient(120% 90% at 6% 0%, rgba(99, 216, 232, 0.18), transparent 58%),
    radial-gradient(90% 80% at 94% 8%, rgba(182, 243, 90, 0.12), transparent 62%),
    linear-gradient(180deg, var(--ink-800), var(--ink-900) 72%);
  border-bottom: 1px solid var(--faq-line-faint);
}

.page-faq .breadcrumb {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-faq .faq-hero__lead h1 {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 20ch;
}

.page-faq .faq-hero__sub {
  margin: clamp(1rem, 2.4vw, 1.4rem) 0 0;
  max-width: 48ch;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
}

.page-faq .faq-hero__side {
  align-self: start;
  padding: 0;
  border-top: 1px dashed var(--faq-line-faint);
  padding-top: 1rem;
}

.page-faq .faq-side__label {
  margin: 0 0 0.6rem;
  font-size: var(--fs-small);
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-faq .faq-anchor-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 1rem;
}

.page-faq .faq-anchor-nav a {
  display: block;
  padding: 0.5rem 0;
  font-size: var(--fs-small);
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px dashed var(--faq-line-faint);
  transition: color 160ms ease;
}

.page-faq .faq-anchor-nav a:hover,
.page-faq .faq-anchor-nav a:focus-visible,
.page-faq .faq-anchor-nav a.is-active {
  color: var(--signal);
}

/* ---------- sections ---------- */
.page-faq .faq-section {
  padding: clamp(2.25rem, 5.5vw, 3.5rem) 0;
  border-bottom: 1px solid var(--faq-line-faint);
}

.page-faq .faq-section--last {
  border-bottom: 0;
  padding-bottom: clamp(1rem, 3vw, 1.5rem);
}

.page-faq .section-head {
  max-width: 62ch;
}

.page-faq .section-title {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-faq .section-note {
  margin: 0.9rem 0 0;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--muted);
  max-width: 58ch;
}

/* ---------- fee cards ---------- */
.page-faq .faq-fee-visual {
  margin: clamp(1.5rem, 3.5vw, 2rem) 0 0;
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-faq .fee-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(0.9rem, 2vw, 1.25rem);
  margin-top: clamp(1.5rem, 3.5vw, 2rem);
}

.page-faq .fee-card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: clamp(1.05rem, 2.2vw, 1.4rem);
  background: linear-gradient(180deg, rgba(18, 59, 88, 0.95), rgba(12, 38, 59, 0.95));
  border: 1px solid var(--faq-line-soft);
  border-top: 2px solid var(--amber);
  border-radius: var(--radius);
  box-shadow: var(--lift);
  scroll-margin-top: 7rem;
  transition: border-color 180ms ease, background-color 180ms ease;
}

.page-faq .fee-card__tag {
  margin: 0;
  font-size: var(--fs-small);
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-faq .fee-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .fee-card__line {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .fee-card__more {
  margin-top: auto;
  padding-top: 0.65rem;
  border-top: 1px dashed var(--faq-line-faint);
}

.page-faq .fee-card__more summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.3rem 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--signal);
}

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

.page-faq .fee-card__more summary::after {
  content: "+";
  font-size: 1.05rem;
  line-height: 1;
  transition: color 180ms ease;
}

.page-faq .fee-card__more[open] summary::after {
  content: "−";
}

.page-faq .fee-card__more summary:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

.page-faq .fee-card__more p {
  margin: 0.55rem 0 0;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .fee-card:target {
  border-color: var(--signal);
  border-top-color: var(--signal);
}

/* ---------- qa list ---------- */
.page-faq .qa-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(0.75rem, 1.8vw, 1rem);
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .qa-item {
  padding: clamp(0.95rem, 2vw, 1.3rem) clamp(1rem, 2vw, 1.4rem);
  background: var(--faq-card-bg);
  border: 1px solid var(--faq-line-faint);
  border-left: 2px solid var(--line);
  border-radius: var(--radius);
  scroll-margin-top: 7rem;
  transition: border-color 180ms ease, background-color 180ms ease;
}

.page-faq .qa-item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .qa-item p {
  margin: 0.5rem 0 0;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .qa-item:hover {
  border-left-color: var(--ice);
}

.page-faq .qa-item:target {
  border-color: var(--signal);
  background: rgba(182, 243, 90, 0.07);
}

/* ---------- download board ---------- */
.page-faq .download-board {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: start;
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .download-board__figure {
  margin: 0;
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-800);
}

.page-faq .download-board .qa-list {
  margin-top: 0;
}

.page-faq .media-frame__caption {
  padding: 0.65rem 0.9rem;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--muted);
  border-top: 1px solid var(--faq-line-faint);
}

/* ---------- index grid ---------- */
.page-faq .index-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(0.85rem, 2vw, 1.15rem);
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .index-card {
  padding: clamp(0.95rem, 2vw, 1.2rem);
  border: 1px solid var(--faq-line-faint);
  border-radius: var(--radius);
  background: rgba(18, 59, 88, 0.42);
}

.page-faq .index-card--fee { --faq-dot: var(--amber); }
.page-faq .index-card--account { --faq-dot: var(--signal); }
.page-faq .index-card--device { --faq-dot: var(--ice); }
.page-faq .index-card--notice { --faq-dot: var(--amber); }
.page-faq .index-card--file { --faq-dot: var(--ice); }

.page-faq .index-card__title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.35rem;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--paper);
}

.page-faq .index-card__dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--faq-dot, var(--ice));
  flex: none;
}

.page-faq .index-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .index-card__list a {
  display: block;
  padding: 0.45rem 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px dashed var(--faq-line-faint);
  transition: color 160ms ease;
}

.page-faq .index-card__list li:last-child a {
  border-bottom: 0;
}

.page-faq .index-card__list a:hover,
.page-faq .index-card__list a:focus-visible {
  color: var(--signal);
}

/* ---------- support ---------- */
.page-faq .support-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
  padding: clamp(1.2rem, 3vw, 2rem);
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(18, 59, 88, 0.92), rgba(7, 24, 38, 0.92));
}

.page-faq .support-panel__text h2 {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 800;
  line-height: 1.25;
  color: var(--paper);
}

.page-faq .support-panel__text p {
  margin: 0.75rem 0 0;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .support-panel__urgent {
  padding-left: 0.85rem;
  border-left: 2px solid var(--amber);
  color: var(--paper) !important;
  font-size: var(--fs-small) !important;
}

.page-faq .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .contact-list li {
  display: grid;
  gap: 0.2rem;
  padding: 0.7rem 0;
  border-bottom: 1px dashed var(--faq-line-faint);
}

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

.page-faq .contact-list__key {
  font-size: var(--fs-small);
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-faq .contact-list__value {
  font-family: var(--font-mono);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-faq .support-panel__foot {
  margin: clamp(1rem, 2.5vw, 1.5rem) 0 0;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- responsive ---------- */
@media (min-width: 700px) {
  .page-faq .qa-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 820px) {
  .page-faq .fee-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .support-panel {
    grid-template-columns: minmax(0, 6fr) minmax(0, 4fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    align-items: start;
  }

  .page-faq .faq-hero__side {
    border-top: 0;
    border-left: 1px solid var(--faq-line-faint);
    padding-top: 0.35rem;
    padding-left: clamp(1rem, 2.2vw, 1.6rem);
  }

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

  .page-faq .download-board {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-faq .download-board .qa-list {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 1060px) {
  .page-faq .index-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .fee-card,
  .page-faq .qa-item,
  .page-faq .fee-card__more summary::after,
  .page-faq .faq-inline-link {
    transition: none;
  }
}
<<<END>>>