.page-faq {
  background: var(--color-paper);
  color: var(--color-gray);
}

.page-faq .faq-hero {
  background: var(--color-navy);
  color: var(--color-paper);
  padding: 24px 20px 40px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -64px;
  bottom: -64px;
  width: 180px;
  height: 180px;
  background: var(--color-accent);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  opacity: 0.9;
}

.page-faq .faq-hero .breadcrumb {
  position: relative;
  z-index: 1;
  padding: 0 0 22px;
  font-size: 13px;
  color: rgba(245, 245, 240, 0.65);
}

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

.page-faq .faq-hero .breadcrumb a:hover {
  color: var(--color-gold);
}

.page-faq .faq-hero__copy {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.page-faq .faq-hero .section-kicker {
  color: var(--color-accent);
}

.page-faq .faq-hero h1 {
  font-size: clamp(28px, 6vw, 44px);
  font-weight: 900;
  line-height: 1.18;
  font-family: var(--font-sans);
  letter-spacing: -0.02em;
  color: var(--color-white);
  margin: 8px 0 16px;
}

.page-faq .faq-hero__lead {
  font-size: 15px;
  line-height: 1.85;
  color: rgba(245, 245, 240, 0.8);
  max-width: 60ch;
  margin: 0;
}

.page-faq .faq-hero__stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 28px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.03);
}

.page-faq .faq-stat {
  padding: 12px 12px;
  font-size: 12px;
  line-height: 1.5;
  color: rgba(245, 245, 240, 0.72);
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.page-faq .faq-stat:last-child {
  border-right: 0;
}

.page-faq .faq-stat:nth-child(1) {
  border-top: 2px solid var(--color-accent);
}

.page-faq .faq-stat:nth-child(2) {
  border-top: 2px solid var(--color-gold);
}

.page-faq .faq-stat:nth-child(3) {
  border-top: 2px solid var(--color-green);
}

.page-faq .faq-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.1;
  margin-bottom: 6px;
}

.page-faq .faq-layout {
  max-width: 1240px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

.page-faq .faq-sidebar {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  padding: 22px 20px;
  margin-bottom: 28px;
}

.page-faq .faq-sidebar .section-kicker {
  color: var(--color-accent);
  font-size: 12px;
}

.page-faq .faq-sidebar h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-navy);
  margin: 6px 0 16px;
}

.page-faq .faq-index ul {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-line);
}

.page-faq .faq-index li {
  border-bottom: 1px solid var(--color-line);
}

.page-faq .faq-index a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 2px;
  color: var(--color-gray);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.page-faq .faq-index a::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-weight: 700;
}

.page-faq .faq-index a:hover {
  color: var(--color-navy);
  padding-left: 6px;
}

.page-faq .faq-search-tip {
  margin: 18px 0 0;
  padding: 14px;
  background: var(--color-paper);
  border-left: 2px solid var(--color-gold);
  font-size: 13px;
  line-height: 1.75;
  color: var(--color-gray);
}

.page-faq .faq-search-tip span {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--color-navy);
  color: var(--color-white);
  padding: 2px 6px;
  border-radius: var(--radius);
}

.page-faq .faq-sidebar-note {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--color-line);
}

.page-faq .faq-sidebar-note p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-gray);
  margin: 8px 0 0;
}

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

.page-faq .faq-section {
  counter-reset: faq-q;
  margin-bottom: 42px;
}

.page-faq .faq-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-navy);
}

.page-faq .faq-section__num {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
}

.page-faq .faq-section__head h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-navy);
  margin: 0 0 2px;
}

.page-faq .faq-section__head p {
  margin: 0;
  font-size: 13px;
  color: var(--color-gray);
}

.page-faq .faq-section details {
  counter-increment: faq-q;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-left: 3px solid transparent;
  margin: 0 0 10px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-section details[open] {
  border-left-color: var(--color-accent);
  box-shadow: var(--shadow);
}

.page-faq .faq-section details:hover {
  border-color: rgba(10, 30, 60, 0.28);
}

.page-faq .faq-section details > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  font-family: var(--font-sans);
}

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

.page-faq .faq-section details > summary h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-navy);
  margin: 0;
  line-height: 1.5;
}

.page-faq .faq-section details > summary h3::before {
  content: "Q" counter(faq-q);
  display: inline-block;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent);
  vertical-align: 2px;
}

.page-faq .faq-section details > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 400;
  color: var(--color-accent);
  line-height: 1;
}

.page-faq .faq-section details[open] > summary::after {
  content: "−";
  color: var(--color-navy);
}

.page-faq .faq-answer {
  padding: 0 18px 16px;
  border-top: 1px solid var(--color-line);
}

.page-faq .faq-answer p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--color-gray);
  margin: 14px 0 0;
}

.page-faq .faq-vote {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-size: 12px;
  color: var(--color-gray);
}

.page-faq .faq-vote a {
  color: var(--color-accent);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 53, 0.35);
}

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

.page-faq .faq-structure-img,
.page-faq .faq-operation-img {
  margin: 24px 0 4px;
}

.page-faq .faq-structure-img img,
.page-faq .faq-operation-img img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--color-line);
  background: var(--color-white);
}

.page-faq .faq-structure-img figcaption,
.page-faq .faq-operation-img figcaption {
  font-size: 12px;
  color: var(--color-gray);
  margin-top: 8px;
  padding-left: 10px;
  border-left: 2px solid var(--color-accent);
}

.page-faq .faq-cta {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

.page-faq .faq-cta__inner {
  background: var(--color-navy);
  color: var(--color-paper);
  padding: 32px 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  position: relative;
}

.page-faq .faq-cta__inner::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--color-accent);
}

.page-faq .faq-cta h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-white);
  margin: 0 0 6px;
}

.page-faq .faq-cta p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245, 245, 240, 0.76);
  max-width: 55ch;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-cta .btn--outline {
  border-color: var(--color-white);
  color: var(--color-white);
}

.page-faq .faq-cta .btn--outline:hover {
  background: rgba(255, 255, 255, 0.12);
}

@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: 32px max(40px, calc((100% - 1240px) / 2)) 56px;
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 36px;
    align-items: end;
  }

  .page-faq .faq-hero .breadcrumb {
    grid-column: 1 / -1;
  }

  .page-faq .faq-hero h1 {
    font-size: 42px;
  }

  .page-faq .faq-hero__stats {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 0;
  }

  .page-faq .faq-stat {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 14px 16px;
  }

  .page-faq .faq-stat:last-child {
    border-bottom: 0;
  }

  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    align-items: start;
    padding: 48px max(40px, calc((100% - 1240px) / 2)) 64px;
  }

  .page-faq .faq-sidebar {
    position: sticky;
    top: 24px;
    margin-bottom: 0;
  }

  .page-faq .faq-main {
    max-width: 820px;
  }

  .page-faq .faq-section__head h2 {
    font-size: 26px;
  }

  .page-faq .faq-section details > summary {
    padding: 18px 20px;
  }

  .page-faq .faq-cta {
    padding: 0 max(40px, calc((100% - 1240px) / 2)) 72px;
  }

  .page-faq .faq-cta__inner {
    padding: 44px 40px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    grid-template-columns: 1fr 320px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 300px 1fr;
  }

  .page-faq .faq-cta__inner {
    padding: 48px 52px;
  }
}