.page-faq {
  --faq-muted: rgba(244, 250, 252, 0.78);
  --faq-soft: rgba(244, 250, 252, 0.10);
  background: var(--deep);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
}

.page-faq .faq-hero {
  padding: clamp(18px, 3vw, 30px) 0 clamp(34px, 6vw, 68px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% -10%, var(--cyan-a20), transparent 62%),
    radial-gradient(90% 70% at 0% 120%, rgba(138, 124, 255, 0.12), transparent 66%);
}

.page-faq .hero-grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  margin-top: clamp(18px, 3vw, 32px);
}

.page-faq .hero-copy h1 {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(29px, 5.2vw, 52px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .hero-copy .lede {
  margin: 16px 0 0;
  max-width: 52ch;
  color: var(--faq-muted);
  font-size: 16px;
  line-height: 1.8;
}

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

.page-faq .hero-index {
  padding: 20px 20px 18px;
  background: var(--layer);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
}

.page-faq .index-title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

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

.page-faq .index-list li + li {
  border-top: 1px solid var(--line);
}

.page-faq .index-list a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  color: var(--paper);
  text-decoration: none;
  font-size: 15px;
  transition: color var(--dur) var(--ease);
}

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

.page-faq .idx {
  font-family: var(--font-num);
  font-size: 15px;
  color: var(--coral);
  letter-spacing: 0.04em;
}

.page-faq .index-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

.page-faq .faq-hot {
  padding: clamp(38px, 6vw, 74px) 0 clamp(30px, 5vw, 58px);
}

.page-faq .sec-head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .sec-head .section-title {
  margin: 8px 0 0;
}

.page-faq .hot-grid {
  display: grid;
  gap: var(--gap);
}

.page-faq .hot-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  background: var(--layer);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan-dim);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

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

.page-faq .hot-tag {
  margin: 0;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--gray);
}

.page-faq .hot-card h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.4;
  color: var(--paper);
}

.page-faq .hot-card p {
  margin: 0;
  font-size: 15px;
  color: var(--faq-muted);
}

.page-faq .hot-card .button {
  align-self: flex-start;
  margin-top: 4px;
}

.page-faq .hot-card--stat {
  border-top-color: var(--coral);
  background:
    linear-gradient(160deg, rgba(255, 107, 74, 0.10), transparent 58%),
    var(--layer);
}

.page-faq .hot-card--stat .stat-number {
  font-size: 40px;
  color: var(--coral);
  line-height: 1;
}

.page-faq .mini-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.page-faq .mini-steps span {
  padding: 4px 10px;
  font-size: 13px;
  color: var(--cyan);
  border: 1px solid var(--line);
  background: var(--cyan-a10);
}

.page-faq .hot-figure {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

.page-faq .hot-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
}

.page-faq .hot-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--gray);
}

.page-faq .kb-layout {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  padding-bottom: var(--band);
}

.page-faq .kb-nav {
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--layer);
}

.page-faq .kb-nav-title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray);
}

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

.page-faq .kb-nav-list a {
  display: block;
  padding: 8px 0;
  font-size: 15px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(22, 70, 95, 0.6);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-faq .kb-nav-list a:hover,
.page-faq .kb-nav-list a:focus-visible {
  color: var(--cyan);
  padding-left: 6px;
}

.page-faq .kb-nav-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

.page-faq .kb-nav-note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .kb-section {
  scroll-margin-top: 96px;
  padding-top: clamp(24px, 4vw, 40px);
  margin-top: clamp(34px, 5vw, 60px);
  border-top: 1px solid var(--line);
}

.page-faq .kb-section:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-faq .kb-no {
  margin: 0;
  font-family: var(--font-num);
  font-size: 34px;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--cyan-dim);
}

.page-faq .kb-head .section-title {
  margin: 8px 0 0;
}

.page-faq .kb-lede {
  margin: 12px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-muted);
}

.page-faq .steps {
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 16px;
  background: var(--layer);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
}

.page-faq .step-no {
  font-family: var(--font-num);
  font-size: 28px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .step-body h3 {
  margin: 0 0 4px;
  font-size: 16px;
  color: var(--paper);
}

.page-faq .step-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--faq-muted);
}

.page-faq .relogin-grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(18px, 3vw, 26px);
}

.page-faq .relogin-aside {
  padding: 18px;
  border: 1px solid var(--line);
  background:
    linear-gradient(200deg, rgba(53, 242, 208, 0.08), transparent 55%),
    var(--deep);
}

.page-faq .sync-svg {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
}

.page-faq .aside-note {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--faq-muted);
}

.page-faq .relogin-figure {
  margin: 16px 0 0;
}

.page-faq .relogin-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
}

.page-faq .relogin-figure figcaption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--gray);
}

.page-faq .stat-strip {
  display: grid;
  gap: 1px;
  margin-top: clamp(18px, 3vw, 26px);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .stat-cell {
  padding: 16px 18px;
  background: var(--layer);
}

.page-faq .stat-value {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.page-faq .stat-value .stat-number {
  font-size: 34px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .stat-unit {
  font-size: 14px;
  color: var(--gray);
}

.page-faq .stat-label {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--gray);
}

.page-faq .tips {
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .tips li {
  padding: 14px 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-muted);
  border-left: 2px solid var(--line);
  background: rgba(10, 44, 66, 0.55);
}

.page-faq .tips strong {
  color: var(--paper);
}

.page-faq .chart-demo {
  margin-top: clamp(18px, 3vw, 26px);
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--layer);
}

.page-faq .chart-demo .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.page-faq .chart-demo .tab {
  padding: 7px 14px;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--gray);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .chart-demo .tab[aria-selected="true"] {
  color: var(--deep);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .chart-demo .tab:hover:not([aria-selected="true"]) {
  color: var(--cyan);
  border-color: var(--cyan-dim);
}

.page-faq .chart-demo .tabpanel {
  padding-top: 16px;
}

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

.page-faq .segbar li {
  position: relative;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: rgba(53, 242, 208, 0.06);
}

.page-faq .segbar li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--cyan);
}

.page-faq .segbar--extra li {
  background: rgba(138, 124, 255, 0.10);
}

.page-faq .segbar--extra li::before {
  background: var(--violet);
}

.page-faq .seg-time {
  display: block;
  font-family: var(--font-num);
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-faq .segbar--extra .seg-time {
  color: var(--violet);
}

.page-faq .seg-note {
  display: block;
  margin-top: 2px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--faq-muted);
}

.page-faq .seg-foot {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--gray);
}

.page-faq .legend {
  margin: 18px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 8px;
}

.page-faq .legend li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-size: 13.5px;
  color: var(--gray);
}

.page-faq .dot {
  flex: none;
  width: 10px;
  height: 10px;
  transform: translateY(1px);
}

.page-faq .dot--cyan {
  background: var(--cyan);
}

.page-faq .dot--violet {
  background: var(--violet);
}

.page-faq .dot--coral {
  background: var(--coral);
}

.page-faq .account-grid {
  display: grid;
  gap: 12px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-faq .account-card {
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--layer);
  border-top: 2px solid var(--cyan-dim);
}

.page-faq .account-card h3 {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--paper);
}

.page-faq .account-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--faq-muted);
}

.page-faq .qa {
  margin-top: clamp(18px, 3vw, 26px);
  border-top: 1px solid var(--line);
}

.page-faq .kb-item {
  border-bottom: 1px solid var(--line);
}

.page-faq .kb-item summary {
  position: relative;
  padding: 14px 38px 14px 0;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .kb-item summary::after {
  content: "+";
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-num);
  font-size: 22px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .kb-item[open] summary::after {
  content: "–";
  color: var(--coral);
}

.page-faq .kb-item summary:hover,
.page-faq .kb-item summary:focus-visible {
  color: var(--cyan);
}

.page-faq .kb-item p {
  margin: 0 0 16px;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-muted);
}

.page-faq .kb-section--support {
  padding: clamp(22px, 4vw, 36px);
  border: 1px solid var(--line);
  background:
    linear-gradient(150deg, rgba(255, 107, 74, 0.12), transparent 58%),
    var(--layer);
}

.page-faq .support-grid {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.page-faq .support-card {
  padding: 16px;
  border: 1px solid var(--line);
  background: rgba(4, 27, 42, 0.6);
}

.page-faq .support-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-faq .support-value {
  margin: 6px 0 0;
  font-family: var(--font-num);
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-faq .support-note {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--faq-muted);
}

.page-faq .support-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 0;
}

@media (min-width: 620px) {
  .page-faq .stat-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

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

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

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

@media (min-width: 780px) {
  .page-faq .hot-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    align-items: stretch;
  }

  .page-faq .relogin-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 920px) {
  .page-faq .hero-grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-faq .kb-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .kb-nav {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1100px) {
  .page-faq .account-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .hot-card,
  .page-faq .kb-nav-list a,
  .page-faq .chart-demo .tab,
  .page-faq .index-list a {
    transition: none;
  }

  .page-faq .hot-card:hover {
    transform: none;
  }
}
<<<END>>>