.page-faq {
  --faq-rail-width: 230px;
  --faq-accent-soft: rgba(57, 255, 20, 0.1);
  --faq-orange-soft: rgba(255, 107, 53, 0.12);
  --faq-card-divider: rgba(30, 58, 95, 0.6);
  --faq-answer-indent: 68px;
}

.page-faq .page-intro-title {
  max-width: 780px;
  font-size: clamp(1.75rem, 3.2vw, 2.75rem);
  line-height: 1.2;
}

.page-faq .faq-layout {
  display: block;
  margin-top: 36px;
}

.page-faq .faq-rail {
  position: relative;
  margin-bottom: 28px;
  padding: 18px 14px 10px;
  background: rgba(17, 34, 64, 0.55);
  border: 1px solid var(--bg-line);
  border-radius: 12px;
}

.page-faq .faq-rail::before {
  content: "";
  position: absolute;
  top: 0;
  left: 16px;
  right: 16px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-green), transparent 80%);
}

.page-faq .faq-rail-eyebrow {
  margin: 0 0 10px;
  padding-left: 4px;
  font-family: var(--font-data);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.page-faq .faq-nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  padding-bottom: 6px;
}

.page-faq .faq-nav-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--bg-line);
  border-radius: 8px;
  background: rgba(10, 25, 47, 0.6);
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.2;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.page-faq .faq-nav-link:hover,
.page-faq .faq-nav-link.is-active {
  color: var(--accent-green);
  border-color: rgba(57, 255, 20, 0.4);
  background: var(--faq-accent-soft);
}

.page-faq .faq-nav-num {
  font-family: var(--font-data);
  font-size: 0.7rem;
  color: var(--accent-orange);
}

.page-faq .faq-nav-label {
  white-space: nowrap;
}

.page-faq .faq-rail-note {
  display: none;
  margin: 18px 0 0;
  padding: 14px 16px;
  border-top: 1px dashed var(--bg-line);
  font-family: var(--font-data);
  font-size: 0.75rem;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-faq .faq-content {
  min-width: 0;
}

.page-faq .faq-group {
  margin-bottom: 56px;
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-faq .faq-intro {
  margin: 0 0 22px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-faq .faq-card {
  margin-bottom: 14px;
  background: var(--bg-panel);
  border: 1px solid var(--bg-line);
  border-left: 3px solid var(--bg-line);
  border-radius: 0 10px 10px 0;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-faq .faq-card[open] {
  border-left-color: var(--accent-green);
  box-shadow: 0 0 0 1px rgba(57, 255, 20, 0.18), 0 12px 28px rgba(2, 8, 20, 0.35);
  transform: translateY(-2px);
}

.page-faq .faq-card summary {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

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

.page-faq .faq-card summary:focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: -2px;
}

.page-faq .faq-card summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 1.3rem;
  font-weight: 400;
  line-height: 1;
  color: var(--text-muted);
  transition: color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-faq .faq-card[open] summary::after {
  content: "−";
  color: var(--accent-green);
  transform: rotate(180deg);
}

.page-faq .faq-q {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 6px;
  background: var(--faq-orange-soft);
  border: 1px solid rgba(255, 107, 53, 0.6);
  color: var(--accent-orange);
  font-family: var(--font-data);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  clip-path: polygon(16% 0, 100% 0, 84% 100%, 0 100%);
}

.page-faq .faq-q-text {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-light);
  transition: color 0.3s var(--ease);
}

.page-faq .faq-card[open] .faq-q-text {
  color: var(--accent-green);
}

.page-faq .faq-answer {
  padding: 16px 16px 20px;
}

.page-faq .faq-answer p {
  margin: 0 0 12px;
  color: var(--text-light);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.page-faq .faq-answer p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-answer p:first-child::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 2px;
  background: var(--accent-green);
  margin-right: 10px;
  vertical-align: middle;
}

.page-faq .faq-data {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 1.05em;
  white-space: nowrap;
  color: var(--accent-green);
}

.page-faq .faq-hint {
  margin-top: 14px !important;
  padding: 10px 14px;
  background: rgba(30, 58, 95, 0.25);
  border-left: 2px solid var(--accent-orange);
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.7;
}

.page-faq .faq-hint::before {
  display: none !important;
}

.page-faq .faq-figure {
  margin: 0 0 26px;
  padding: 10px;
  background: var(--bg-panel);
  border: 1px solid var(--bg-line);
  border-radius: 12px;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 6px;
}

.page-faq .faq-support-card {
  position: relative;
  margin-bottom: 24px;
  padding: 24px 24px 22px;
  background: var(--bg-light);
  border-radius: 12px;
  overflow: hidden;
}

.page-faq .faq-support-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 88px;
  height: 88px;
  background: linear-gradient(135deg, transparent 48%, rgba(255, 107, 53, 0.22) 48%);
}

.page-faq .faq-mail-icon {
  width: 28px;
  height: 28px;
  margin-bottom: 14px;
  color: var(--accent-orange);
}

.page-faq .faq-support-label {
  margin: 0;
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bg-ink);
  opacity: 0.7;
}

.page-faq .faq-support-mail {
  margin: 8px 0 6px;
  font-family: var(--font-data);
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  font-weight: 700;
  color: var(--bg-ink);
  word-break: break-all;
}

.page-faq .faq-support-time {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 0.85rem;
  color: var(--accent-orange);
}

.page-faq .faq-support-desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--bg-ink);
}

@media (min-width: 640px) {
  .page-faq .faq-answer {
    padding: 16px 24px 20px var(--faq-answer-indent);
  }

  .page-faq .faq-figure {
    padding: 14px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: var(--faq-rail-width) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
    margin-top: 44px;
  }

  .page-faq .faq-rail {
    margin-bottom: 0;
    padding: 20px 14px 14px;
    background: rgba(17, 34, 64, 0.45);
  }

  .page-faq .faq-rail-inner {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .faq-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-nav-link {
    justify-content: flex-start;
    border: 0;
    border-left: 2px solid var(--bg-line);
    border-radius: 0;
    background: transparent;
    padding: 12px 14px;
  }

  .page-faq .faq-nav-link:hover,
  .page-faq .faq-nav-link.is-active {
    color: var(--accent-green);
    border-left-color: var(--accent-green);
    background: var(--faq-accent-soft);
  }

  .page-faq .faq-rail-note {
    display: block;
  }

  .page-faq .faq-group {
    margin-bottom: 64px;
  }
}