.page-faq {
  --faq-accent: #3DFF7E;
  --faq-accent-dark: #2BCF66;
  --faq-text-sub: rgba(240,244,255,0.7);
  --faq-line: rgba(61,255,126,0.4);
  --faq-neutral-light: #2C4A72;
  --faq-neutral-deep: #1C2E4A;
  --faq-bg-mid-trans: rgba(31,58,122,0.5);

  position: relative;
  padding: clamp(1rem, 2vw, 2rem) var(--gutter) clamp(3rem, 6vw, 5rem);
  max-width: 1440px;
  margin: 0 auto;
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
  background:
    radial-gradient(ellipse at 82% 6%, rgba(62,103,184,0.20), transparent 52%),
    var(--bg-deep);
}

.page-faq .faq-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--faq-text-sub);
  padding: 1.5rem 0 0.5rem;
}

.page-faq .faq-breadcrumbs a {
  color: var(--faq-text-sub);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.25s, border-color 0.25s;
}

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

.page-faq .breadcrumbs-sep {
  opacity: 0.45;
}

.page-faq .faq-hero {
  position: relative;
  padding: clamp(2rem, 5vw, 4.5rem) 0 clamp(2rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--faq-line);
  margin-bottom: clamp(2rem, 5vw, 4rem);
  background:
    linear-gradient(135deg, transparent 78%, rgba(61,255,126,0.07) 78%, rgba(61,255,126,0.12) 88%, transparent 88%),
    linear-gradient(155deg, transparent 62%, rgba(31,58,122,0.30) 62%);
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  padding-right: min(240px, 20vw);
}

.page-faq .faq-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.6rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0.75rem 0 1.25rem;
  max-width: 14em;
}

.page-faq .faq-hero-title span {
  color: var(--faq-accent);
}

.page-faq .faq-hero-summary {
  font-size: 1rem;
  max-width: 44em;
  color: var(--faq-text-sub);
  margin: 0 0 1.75rem;
}

.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-faq .faq-hero-meta .tag {
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  padding: 0.4rem 0.9rem;
  background: rgba(31,58,122,0.5);
  border: 1px solid var(--faq-neutral-light);
  color: var(--text-main);
  text-decoration: none;
  transition: background-color 0.25s, border-color 0.25s, color 0.25s;
}

.page-faq .faq-hero-meta .tag:hover {
  background: rgba(61,255,126,0.1);
  border-color: var(--faq-accent);
  color: var(--faq-accent);
}

.page-faq .faq-hero-accent {
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(260px, 30vw);
  pointer-events: none;
  opacity: 0.85;
}

.page-faq .faq-hero-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .repair-section {
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.page-faq .repair-head {
  margin-bottom: 2rem;
}

.page-faq .repair-head .section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  margin: 0.4rem 0 0.6rem;
}

.page-faq .repair-head .section-summary {
  max-width: 42em;
}

.page-faq .repair-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

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

.page-faq .repair-step {
  position: relative;
  border: 1px solid rgba(240,244,255,0.10);
  border-left: 3px solid var(--faq-neutral-light);
  background: rgba(31,58,122,0.22);
  padding: 1.25rem 1.25rem 1.25rem 1.5rem;
  margin-bottom: 0.75rem;
  transition: background-color 0.25s, border-color 0.25s, transform 0.25s;
}

.page-faq .repair-step:hover {
  background: rgba(31,58,122,0.5);
  border-color: var(--faq-line);
  border-left-color: var(--faq-accent);
  transform: translateX(4px);
}

.page-faq .repair-step-top {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.page-faq .repair-step-index {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--faq-accent);
  line-height: 1;
  min-width: 2.5ch;
  opacity: 0.9;
}

.page-faq .repair-step-top h3 {
  font-size: 1.05rem;
  margin: 0;
  color: var(--text-main);
}

.page-faq .repair-step-desc {
  font-size: 0.92rem;
  color: var(--text-main);
  margin: 0 0 0.5rem;
  max-width: 42em;
}

.page-faq .repair-step-hint {
  font-size: 0.82rem;
  color: var(--faq-text-sub);
  padding-left: 0.75rem;
  border-left: 2px solid transparent;
  margin: 0;
  transition: color 0.25s, background-color 0.25s, border-color 0.25s, padding 0.25s;
}

.page-faq .repair-step:hover .repair-step-hint {
  color: var(--faq-accent);
  border-left-color: var(--faq-accent);
  background: rgba(61,255,126,0.06);
  padding: 0.25rem 0.75rem;
}

.page-faq .repair-visual {
  margin: 0;
  position: relative;
}

.page-faq .repair-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
  border: 1px solid var(--faq-neutral-light);
  background: var(--faq-neutral-deep);
}

.page-faq .media-frame-caption {
  font-size: 0.8rem;
  color: var(--faq-text-sub);
  text-align: right;
  margin-top: 0.5rem;
  letter-spacing: 0.04em;
}

.page-faq .faq-grid-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.page-faq .faq-head {
  margin-bottom: 1.5rem;
}

.page-faq .faq-head .section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  margin: 0.4rem 0 0.6rem;
}

.page-faq .faq-cat-image {
  margin: 0 0 1.75rem;
}

.page-faq .faq-cat-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
  border: 1px solid var(--faq-neutral-light);
}

.page-faq .faq-list {
  border-top: 1px solid rgba(240,244,255,0.12);
}

.page-faq .faq-item {
  border-bottom: 1px solid rgba(240,244,255,0.12);
}

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.1rem 0;
  flex-wrap: wrap;
}

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

.page-faq .faq-item summary:hover .faq-item-q {
  color: var(--faq-accent);
}

.page-faq .faq-item-tag {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--faq-neutral-light);
  color: var(--faq-text-sub);
  border-radius: 2px;
  transition: background-color 0.25s, color 0.25s, border-color 0.25s;
  flex-shrink: 0;
}

.page-faq .faq-item summary:hover .faq-item-tag {
  background: rgba(61,255,126,0.1);
  border-color: var(--faq-accent);
  color: var(--faq-accent);
}

.page-faq .faq-item-q {
  flex: 1 1 auto;
  font-size: 0.95rem;
  font-weight: 600;
  transition: color 0.25s;
  min-width: 12em;
}

.page-faq .faq-item-icon {
  position: relative;
  width: 18px;
  height: 18px;
  border: 1px solid var(--faq-neutral-light);
  border-radius: 50%;
  flex-shrink: 0;
  transition: border-color 0.25s, transform 0.25s;
}

.page-faq .faq-item-icon::before,
.page-faq .faq-item-icon::after {
  content: "";
  position: absolute;
  background: var(--faq-text-sub);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: background-color 0.25s;
}

.page-faq .faq-item-icon::before {
  width: 2px;
  height: 8px;
}

.page-faq .faq-item-icon::after {
  width: 8px;
  height: 2px;
}

.page-faq .faq-item[open] .faq-item-icon {
  transform: rotate(180deg);
  border-color: var(--faq-accent);
}

.page-faq .faq-item[open] .faq-item-icon::before {
  background: var(--faq-accent);
}

.page-faq .faq-item[open] .faq-item-icon::after {
  background: var(--faq-accent);
}

.page-faq .faq-item-a {
  padding: 0 0 1.25rem;
  color: var(--faq-text-sub);
  font-size: 0.92rem;
  max-width: 42em;
  animation: faq-reveal 0.3s ease;
}

.page-faq .faq-item-a p {
  margin: 0 0 0.6rem;
}

.page-faq .faq-item-link a {
  color: var(--faq-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s;
  font-size: 0.85rem;
}

.page-faq .faq-item-link a:hover {
  border-bottom-color: var(--faq-accent);
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq .changes-panel {
  position: relative;
  background: rgba(31,58,122,0.32);
  border: 1px solid var(--faq-neutral-light);
  border-top: 3px solid var(--faq-accent);
  padding: 1.75rem 1.5rem 1.5rem;
  box-shadow: var(--shadow-1);
}

.page-faq .changes-panel-head {
  margin-bottom: 1.5rem;
}

.page-faq .changes-panel-head h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 0.4rem 0 0.6rem;
}

.page-faq .changes-panel-head .section-summary {
  font-size: 0.85rem;
  margin: 0;
}

.page-faq .timeline {
  position: relative;
  padding-left: 1.4rem;
  margin: 0;
}

.page-faq .timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(to bottom, var(--faq-accent) 0%, var(--faq-neutral-light) 100%);
}

.page-faq .timeline-item {
  position: relative;
  padding: 0 0 1.25rem 0.5rem;
}

.page-faq .timeline-item:last-child {
  padding-bottom: 0;
}

.page-faq .timeline-dot {
  position: absolute;
  left: -1.44rem;
  top: 0.35rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--faq-accent);
  border: 2px solid var(--bg-deep);
  box-shadow: 0 0 0 2px rgba(61,255,126,0.35);
}

.page-faq .timeline-body .tag {
  font-size: 0.7rem;
  display: inline-block;
  margin-bottom: 0.3rem;
  padding: 0.15rem 0.5rem;
  border: 1px solid var(--faq-neutral-light);
  color: var(--faq-accent);
  background: rgba(61,255,126,0.06);
  border-radius: 2px;
}

.page-faq .timeline-body p {
  font-size: 0.85rem;
  color: var(--text-main);
  margin: 0;
  line-height: 1.55;
}

.page-faq .changes-panel-foot {
  border-top: 1px solid rgba(240,244,255,0.12);
  margin-top: 1.5rem;
  padding-top: 1.25rem;
}

.page-faq .changes-panel-foot p {
  font-size: 0.8rem;
  color: var(--faq-text-sub);
  margin: 0 0 1rem;
}

.page-faq .changes-panel-foot .btn-ghost {
  font-size: 0.85rem;
}

.page-faq .support-section {
  margin-top: clamp(2rem, 5vw, 4rem);
  border-top: 1px solid var(--faq-line);
  padding-top: clamp(2rem, 5vw, 3.5rem);
}

.page-faq .support-head {
  margin-bottom: 2rem;
}

.page-faq .support-head .section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  margin: 0.4rem 0 0.6rem;
}

.page-faq .support-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-faq .support-card {
  background: rgba(31,58,122,0.28);
  border: 1px solid var(--faq-neutral-light);
  padding: 1.5rem 1.25rem;
  transition: border-color 0.25s, background-color 0.25s, transform 0.25s;
}

.page-faq .support-card:hover {
  border-color: var(--faq-accent);
  background: rgba(61,255,126,0.06);
  transform: translateY(-2px);
}

.page-faq .support-card-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faq-text-sub);
  margin-bottom: 0.6rem;
}

.page-faq .support-card-value {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  word-break: break-word;
  margin-bottom: 0.5rem;
}

.page-faq .support-card-value--accent {
  color: var(--faq-accent);
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.page-faq .support-card-note {
  font-size: 0.8rem;
  color: var(--faq-text-sub);
  margin: 0;
}

.page-faq .support-foot {
  margin-top: 2rem;
  display: flex;
  justify-content: flex-end;
}

.page-faq .support-foot .btn-primary {
  margin-top: 0.25rem;
}

@media (min-width: 560px) {
  .page-faq .support-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-faq .repair-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 2.5rem;
  }

  .page-faq .repair-steps-list {
    padding-right: 1rem;
  }

  .page-faq .repair-visual {
    position: sticky;
    top: 2rem;
    align-self: start;
  }

  .page-faq .faq-grid-section {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.8fr);
    align-items: start;
    gap: 2.5rem;
  }

  .page-faq .changes-panel {
    position: sticky;
    top: 2rem;
  }

  .page-faq .support-cards {
    grid-template-columns: repeat(4, 1fr);
  }
}