.page-faq {
  --faq-blue: #0A5FFF;
  --faq-dark: #0B0D12;
  --faq-light: #F7F9FC;
  --faq-carbon: #111827;
  --faq-white: #FFFFFF;
  --faq-orange: #FF6B00;
  --faq-green: #39FF88;
  --faq-line: #E2E8F0;
  --faq-pale: #D6E4FF;
  --faq-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, monospace;
  --faq-sans: "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --faq-shadow: 0 8px 24px rgba(11, 13, 18, 0.08);
  --faq-shadow-blue: 0 8px 30px rgba(10, 95, 255, 0.25);
  --faq-ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --faq-header-w: 220px;
  --faq-content-max: 1240px;

  color: var(--faq-carbon);
  font-family: var(--faq-sans);
  line-height: 1.7;
  background-color: var(--faq-light);
  min-height: 100vh;
}

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

.page-faq .content-shell {
  max-width: var(--faq-content-max);
  margin-inline: auto;
  padding-inline: 20px;
}

.page-faq .page-hero {
  background-color: var(--faq-dark);
  color: var(--faq-white);
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), 0 100%);
  margin-bottom: 40px;
}

.page-faq .page-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 32px;
  padding-block: 64px 80px;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
}

.page-faq .page-hero__main {
  max-width: 760px;
}

.page-faq .page-hero__title {
  font-size: clamp(1.8rem, 4vw, 2.9rem);
  font-weight: 800;
  line-height: 1.2;
  margin: 12px 0 16px;
  letter-spacing: -0.02em;
}

.page-faq .page-hero__lede {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.78);
  max-width: 640px;
  margin-bottom: 20px;
}

.page-faq .page-hero__meta {
  font-family: var(--faq-mono);
  font-size: 0.85rem;
  color: var(--faq-green);
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(57, 255, 136, 0.1);
  border: 1px solid rgba(57, 255, 136, 0.3);
  border-radius: 4px;
  width: fit-content;
}

.page-faq .page-hero__side {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .hero-metric {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-left: 3px solid var(--faq-blue);
  padding: 20px;
  border-radius: 2px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
}

.page-faq .hero-metric::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, transparent 50%, rgba(10, 95, 255, 0.4) 50%, rgba(10, 95, 255, 0.4) 100%);
}

.page-faq .hero-metric__label {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}

.page-faq .hero-metric__value {
  font-family: var(--faq-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--faq-white);
  line-height: 1.1;
}

.page-faq .hero-metric__value small {
  font-size: 0.9rem;
  color: var(--faq-orange);
}

.page-faq .hero-metric__note {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

.page-faq .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 16px;
}

.page-faq .breadcrumbs a {
  color: var(--faq-blue);
  text-decoration: none;
  transition: color 0.2s var(--faq-ease);
}

.page-faq .breadcrumbs a:hover {
  color: var(--faq-green);
}

.page-faq .kicker {
  font-family: var(--faq-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faq-blue);
  margin-bottom: 8px;
  font-weight: 700;
}

.page-faq .faq-layout {
  background-color: var(--faq-light);
  padding-bottom: 80px;
}

.page-faq .faq-layout__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-top: 24px;
}

.page-faq .faq-aside {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-faq .faq-aside__header {
  padding: 20px;
  background: var(--faq-white);
  border: 1px solid var(--faq-line);
  border-radius: 2px;
  box-shadow: var(--faq-shadow);
  position: relative;
}

.page-faq .faq-aside__header::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 64px;
  height: 3px;
  background: var(--faq-blue);
}

.page-faq .faq-aside__title {
  font-size: 1.35rem;
  font-weight: 800;
  margin: 0 0 4px;
  color: var(--faq-dark);
}

.page-faq .faq-aside__note {
  font-size: 0.8rem;
  color: #6b7280;
}

.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 4px;
  background: var(--faq-white);
  border: 1px solid var(--faq-line);
  border-radius: 2px;
}

.page-faq .filter-btn {
  font-family: var(--faq-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--faq-carbon);
  background: transparent;
  border: 1px solid transparent;
  padding: 8px 14px;
  cursor: pointer;
  transition: all 0.25s var(--faq-ease);
  border-radius: 2px;
  flex: 1 1 auto;
  text-align: center;
}

.page-faq .filter-btn:hover {
  background: var(--faq-pale);
  color: var(--faq-blue);
}

.page-faq .filter-btn.is-active {
  background: var(--faq-blue);
  color: var(--faq-white);
  border-color: var(--faq-blue);
  box-shadow: var(--faq-shadow-blue);
}

.page-faq .faq-aside__board {
  background: var(--faq-dark);
  border-radius: 2px;
  padding: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-aside__board::before {
  content: "";
  position: absolute;
  top: -20px;
  right: -20px;
  width: 80px;
  height: 80px;
  border: 2px solid rgba(10, 95, 255, 0.35);
  transform: rotate(20deg);
  border-radius: 50%;
}

.page-faq .faq-aside__score-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.04);
  border-left: 2px solid var(--faq-blue);
}

.page-faq .faq-aside__score-label {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.04em;
}

.page-faq .faq-aside__score-num {
  font-family: var(--faq-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--faq-white);
  line-height: 1.1;
}

.page-faq .faq-aside__help {
  background: var(--faq-white);
  border: 1px solid var(--faq-line);
  border-radius: 2px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}

.page-faq .faq-aside__help-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
  background: var(--faq-pale);
}

.page-faq .faq-aside__help-text {
  font-size: 0.85rem;
  color: #6b7280;
  margin: 0;
}

.page-faq .faq-aside__help-btn {
  align-self: flex-start;
}

.page-faq .faq-main {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-faq .faq-heading-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--faq-dark);
}

.page-faq .section-title {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 800;
  color: var(--faq-dark);
  margin: 0;
  line-height: 1.2;
}

.page-faq .section-note {
  font-size: 0.85rem;
  color: #6b7280;
  margin: 0;
}

.page-faq .faq-acc {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .acc-panel {
  background: var(--faq-white);
  border: 1px solid var(--faq-line);
  border-radius: 2px;
  transition: border-color 0.25s var(--faq-ease), box-shadow 0.25s var(--faq-ease);
}

.page-faq .acc-panel[data-open] {
  border-left: 3px solid var(--faq-green);
  box-shadow: var(--faq-shadow);
  background: var(--faq-white);
}

.page-faq .acc-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 16px 18px 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: var(--faq-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--faq-dark);
  text-align: start;
  transition: background 0.2s var(--faq-ease);
}

.page-faq .acc-toggle:hover {
  background: var(--faq-pale);
}

.page-faq .acc-toggle__index {
  font-family: var(--faq-mono);
  font-size: 0.8rem;
  color: var(--faq-blue);
  min-width: 28px;
  text-align: start;
}

.page-faq .acc-toggle__title {
  flex: 1;
  line-height: 1.4;
}

.page-faq .acc-toggle__tag {
  font-size: 0.7rem;
  background: var(--faq-pale);
  color: var(--faq-blue);
  padding: 2px 8px;
  border-radius: 20px;
  white-space: nowrap;
  font-weight: 500;
  display: none;
}

.page-faq .acc-toggle__icon {
  width: 20px;
  height: 20px;
  position: relative;
  flex-shrink: 0;
}

.page-faq .acc-toggle__icon::before,
.page-faq .acc-toggle__icon::after {
  content: "";
  position: absolute;
  background: var(--faq-carbon);
  transition: transform 0.3s var(--faq-ease);
  border-radius: 1px;
}

.page-faq .acc-toggle__icon::before {
  width: 14px;
  height: 2px;
  top: 9px;
  left: 3px;
}

.page-faq .acc-toggle__icon::after {
  width: 2px;
  height: 14px;
  top: 3px;
  left: 9px;
}

.page-faq .acc-panel[data-open] .acc-toggle__icon::after {
  transform: scaleY(0);
}

.page-faq .acc-content {
  display: none;
  overflow: hidden;
}

.page-faq .acc-panel[data-open] .acc-content {
  display: block;
}

.page-faq .acc-content__inner {
  padding: 0 20px 24px 60px;
  font-size: 0.9rem;
  line-height: 1.75;
  color: #374151;
  border-top: 1px dashed var(--faq-line);
  padding-top: 16px;
}

.page-faq .acc-step {
  margin: 12px 0 0;
  padding-left: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-faq .acc-step li {
  position: relative;
  padding-left: 22px;
}

.page-faq .acc-step li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--faq-orange);
}

.page-faq .acc-list-detail {
  margin: 12px 0 0;
  padding-left: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-faq .acc-list-detail li {
  position: relative;
  padding-left: 22px;
}

.page-faq .acc-list-detail li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 2px;
  background: var(--faq-blue);
}

.page-faq .acc-step-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 2px;
  margin: 16px 0 4px;
  background: var(--faq-pale);
  object-fit: cover;
}

.page-faq .note-block {
  background: var(--faq-pale);
  border-left: 3px solid var(--faq-blue);
  padding: 12px 16px;
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--faq-carbon);
  border-radius: 0 2px 2px 0;
}

.page-faq .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--faq-sans);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 2px;
  text-decoration: none;
  transition: all 0.25s var(--faq-ease);
  border: 1px solid transparent;
  cursor: pointer;
}

.page-faq .btn--primary {
  background: var(--faq-blue);
  color: var(--faq-white);
  box-shadow: var(--faq-shadow-blue);
}

.page-faq .btn--primary:hover {
  background: #0a52e6;
  transform: translateY(-1px);
}

.page-faq .btn--ghost {
  background: transparent;
  color: var(--faq-blue);
  border-color: var(--faq-blue);
}

.page-faq .btn--ghost:hover {
  background: var(--faq-pale);
  transform: translateY(-1px);
}

.page-faq .faq-contact-strip {
  background: var(--faq-dark);
  border-radius: 2px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 16px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-contact-strip::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 140px;
  height: 140px;
  border: 2px solid rgba(10, 95, 255, 0.4);
  border-radius: 50%;
}

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

.page-faq .faq-contact-strip__title {
  color: var(--faq-white);
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 0 8px;
}

.page-faq .faq-contact-strip__text p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  margin: 0;
}

.page-faq .faq-contact-strip .kicker {
  color: var(--faq-orange);
}

.page-faq .faq-contact-strip__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  position: relative;
  z-index: 1;
}

.page-faq .faq-contact-strip__meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
  position: relative;
  z-index: 1;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.page-faq .faq-contact-strip__meta a {
  color: var(--faq-green);
  text-decoration: none;
  width: fit-content;
}

.page-faq .faq-contact-strip__meta a:hover {
  text-decoration: underline;
}

@media (min-width: 640px) {
  .page-faq .content-shell {
    padding-inline: 32px;
  }

  .page-faq .page-hero__inner {
    grid-template-columns: 1.6fr 1fr;
    align-items: end;
    padding-block: 80px 96px;
  }

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

  .page-faq .acc-toggle__tag {
    display: inline-block;
  }

  .page-faq .faq-contact-strip {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .page-faq .faq-contact-strip__meta {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    padding-bottom: 100px;
  }

  .page-faq .faq-layout__inner {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 48px;
    padding-top: 32px;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 32px;
    align-self: start;
  }

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

  .page-faq .faq-main {
    gap: 28px;
  }

  .page-faq .faq-heading-wrap {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }

  .page-faq .faq-contact-strip {
    grid-template-columns: 1fr auto;
    padding: 36px;
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-layout__inner {
    grid-template-columns: 360px minmax(0, 1fr);
  }
}