.page-faq {
  --faq-hero-bg: linear-gradient(135deg, rgba(0, 184, 217, 0.16) 0%, rgba(157, 78, 221, 0.08) 48%, rgba(11, 15, 25, 0) 70%);
  --faq-active-glow: 0 0 0 1px rgba(0, 184, 217, 0.5), 0 8px 30px rgba(0, 184, 217, 0.15);
  --faq-gutter: clamp(16px, 4vw, 40px);
  --faq-panel-pad: clamp(18px, 3vw, 32px);
  background: var(--color-bg);
  color: var(--color-white);
}

.page-faq .breadcrumbs {
  padding-top: calc(var(--header-total) + 20px);
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--faq-gutter);
  padding-right: var(--faq-gutter);
}

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 14px;
  color: var(--color-silver);
}

.page-faq .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(255, 255, 255, 0.28);
  font-family: var(--font-mono);
}

.page-faq .breadcrumb-link {
  color: var(--color-silver);
  text-decoration: none;
  transition: color var(--t-fast);
}

.page-faq .breadcrumb-link:hover {
  color: var(--color-blue);
}

.page-faq .breadcrumb-current {
  color: var(--color-white);
}

.page-faq .faq-hero {
  position: relative;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: clamp(40px, 7vw, 88px) var(--faq-gutter) 0;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 2;
  background: var(--faq-hero-bg);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 5vw, 56px);
  overflow: hidden;
}

.page-faq .faq-hero__inner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-blue), var(--color-purple) 60%, transparent);
  transform: scaleX(0.4);
  transform-origin: left;
  animation: faqLineGrow 0.8s var(--ease-out) forwards;
}

@keyframes faqLineGrow {
  to { transform: scaleX(1); }
}

.page-faq .faq-hero__inner .section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-green);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -0.02em;
  max-width: 14em;
}

.page-faq .faq-hero__lead {
  margin: 0 0 28px;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--color-silver);
  max-width: 44em;
}

.page-faq .faq-hero__meta {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: rgba(11, 15, 25, 0.6);
  backdrop-filter: blur(6px);
}

.page-faq .data-num {
  color: var(--color-green);
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
}

.page-faq .faq-hero__meta-text {
  color: var(--color-white);
  font-size: 14px;
}

.page-faq .faq-hero__visual {
  margin-top: 24px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-line);
}

.page-faq .faq-hero__visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  min-height: 150px;
}

.page-faq .faq-layout {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--faq-gutter);
}

.page-faq .faq-catalog__sticky {
  position: relative;
  z-index: 1;
  background: var(--color-panel);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--color-line);
  margin-bottom: 24px;
}

.page-faq .faq-catalog__title {
  margin: 8px 0 16px;
  font-size: 24px;
  font-weight: 800;
}

.page-faq .faq-catalog__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-faq .faq-catalog__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  color: var(--color-silver);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: background var(--t-fast), color var(--t-fast), box-shadow var(--t-fast);
  border: 1px solid transparent;
}

.page-faq .faq-catalog__link.is-active {
  background: rgba(0, 184, 217, 0.12);
  color: var(--color-white);
  border-color: rgba(0, 184, 217, 0.35);
  box-shadow: var(--faq-active-glow);
}

.page-faq .faq-catalog__link:not(.is-active):hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-blue);
}

.page-faq .faq-catalog__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-blue);
}

.page-faq .faq-catalog__note {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--color-line);
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.page-faq .v-note {
  writing-mode: vertical-rl;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--color-purple);
  text-transform: uppercase;
  border-left: 1px solid var(--color-purple);
  padding-left: 6px;
  min-height: 3.5em;
}

.page-faq .faq-catalog__note p {
  margin: 0;
  font-size: 14px;
  color: var(--color-silver);
  line-height: 1.6;
}

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

.page-faq .faq-section {
  scroll-margin-top: calc(var(--header-total) + 24px);
}

.page-faq .faq-section + .faq-section {
  margin-top: 56px;
}

.page-faq .section-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-line);
}

.page-faq .section-head .section-tag {
  color: var(--color-green);
  font-family: var(--font-mono);
  font-size: 14px;
}

.page-faq .section-head h2 {
  margin: 0;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

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

.page-faq .faq-item {
  background: var(--color-panel);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
  transition: border-color var(--t-med), box-shadow var(--t-med), background var(--t-med);
  overflow: hidden;
}

.page-faq .faq-item:hover,
.page-faq .faq-item[open] {
  border-color: rgba(0, 184, 217, 0.4);
  background: var(--color-panel);
  box-shadow: 0 4px 24px rgba(0, 184, 217, 0.08);
}

.page-faq .faq-item[open] {
  background: linear-gradient(135deg, rgba(0, 184, 217, 0.06) 0%, rgba(255, 255, 255, 0.02) 100%);
}

.page-faq .faq-item__question {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px var(--faq-panel-pad);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

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

.page-faq .faq-item__num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-blue);
  min-width: 2.2em;
}

.page-faq .faq-item__text {
  flex: 1;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.5;
}

.page-faq .faq-item__icon {
  position: relative;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  background: var(--color-blue);
  border-radius: 2px;
  transition: transform var(--t-med), opacity var(--t-med);
}

.page-faq .faq-item__icon::before {
  top: 8px;
  left: 0;
  width: 18px;
  height: 2px;
}

.page-faq .faq-item__icon::after {
  top: 0;
  left: 8px;
  width: 2px;
  height: 18px;
}

.page-faq .faq-item[open] .faq-item__icon::after {
  transform: scaleY(0);
}

.page-faq .faq-item__answer {
  padding: 0 var(--faq-panel-pad) 20px;
  color: var(--color-silver);
  font-size: 15px;
  line-height: 1.8;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin-top: 2px;
  animation: faqAnswerFade 0.3s var(--ease-out);
}

.page-faq .faq-item__answer p {
  margin: 12px 0 0;
}

.page-faq .faq-item__answer .faq-link {
  color: var(--color-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 184, 217, 0.4);
  transition: border-color var(--t-fast), color var(--t-fast);
}

.page-faq .faq-item__answer .faq-link:hover {
  color: var(--color-green);
  border-bottom-color: var(--color-green);
}

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

.page-faq .faq-support-card {
  margin-top: 36px;
  background: var(--color-panel);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-line);
  display: grid;
  grid-template-columns: 1fr;
}

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

.page-faq .faq-support-card__content {
  padding: var(--faq-panel-pad);
}

.page-faq .faq-support-card__content h3 {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 800;
}

.page-faq .faq-support-card__content p {
  margin: 0 0 18px;
  color: var(--color-silver);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
}

.page-faq .btn--primary {
  background: var(--color-blue);
  color: #001418;
  border-color: var(--color-blue);
}

.page-faq .btn--primary:hover {
  background: #00d0f0;
  color: #000;
  box-shadow: 0 0 20px rgba(0, 184, 217, 0.4);
  transform: translateY(-2px);
}

@media (max-width: 640px) {
  .page-faq .faq-hero__inner {
    padding: 24px 18px;
  }

  .page-faq .faq-hero h1 {
    font-size: 26px;
  }

  .page-faq .faq-catalog__list {
    max-height: none;
  }

  .page-faq .faq-item__question {
    padding: 16px;
    gap: 10px;
  }

  .page-faq .faq-item__text {
    font-size: 15px;
  }

  .page-faq .faq-item__answer {
    padding: 0 16px 16px;
  }
}

@media (min-width: 768px) {
  .page-faq .faq-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 32px;
    padding-top: 32px;
    align-items: start;
  }

  .page-faq .faq-catalog__sticky {
    position: sticky;
    top: calc(var(--header-total) + 20px);
    margin-bottom: 0;
  }

  .page-faq .faq-support-card {
    grid-template-columns: 220px 1fr;
  }

  .page-faq .faq-support-card img {
    height: 100%;
    object-fit: cover;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 48px;
  }

  .page-faq .faq-catalog__sticky {
    padding: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}