.page-faq {
  background: var(--color-bg);
  color: var(--color-text);
  position: relative;
  overflow-x: clip;
}

.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-height) + 28px) 0 28px;
  background:
    linear-gradient(135deg, var(--color-bg) 0%, var(--color-panel) 46%, var(--color-section) 100%);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    120deg,
    transparent 0 30px,
    rgba(255, 196, 0, 0.035) 30px 31px,
    transparent 31px 62px
  );
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 220px;
  height: 220px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.08), transparent 70%);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-faq .faq-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-yellow);
  margin: 0 0 12px;
}

.page-faq .faq-hero-index {
  font-family: var(--font-mono);
  font-size: clamp(84px, 12vw, 148px);
  font-weight: 700;
  line-height: 0.82;
  color: rgba(255, 196, 0, 0.08);
  -webkit-text-stroke: 2px rgba(255, 196, 0, 0.72);
  display: block;
  margin-right: 12px;
}

.page-faq .faq-title-line {
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  gap: 12px;
  margin-bottom: 14px;
}

.page-faq .faq-title-box {
  flex: 1;
  min-width: 0;
}

.page-faq .faq-title-box h1 {
  font-family: var(--font-headline);
  font-size: clamp(26px, 4vw, 46px);
  font-weight: 900;
  line-height: 1.18;
  margin: 0 0 10px;
  letter-spacing: 0.01em;
}

.page-faq .faq-hero-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin: 0;
  max-width: 480px;
}

.page-faq .faq-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.page-faq .faq-hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  background: var(--color-panel);
}

.page-faq .faq-hero-visual::after {
  content: "";
  position: absolute;
  top: 14px;
  left: 14px;
  width: 44px;
  height: 44px;
  border-top: 3px solid var(--color-yellow);
  border-left: 3px solid var(--color-yellow);
  border-radius: 8px 0 0 0;
  opacity: 0.9;
}

.page-faq .faq-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-breadcrumb {
  border-bottom: 1px solid var(--color-border);
  background: rgba(16, 44, 62, 0.4);
}

.page-faq .faq-breadcrumb-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 12px;
  padding-bottom: 12px;
  font-size: 13px;
}

.page-faq .faq-breadcrumb a {
  color: var(--color-cyan);
  text-decoration: none;
}

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

.page-faq .faq-bc-sep {
  color: var(--color-text-muted);
}

.page-faq .faq-bc-current {
  color: var(--color-text-secondary);
}

.page-faq .faq-main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-top: 28px;
  padding-bottom: 44px;
}

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

.page-faq .faq-searchbox {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  margin-bottom: 18px;
  transition: border-color 0.2s;
}

.page-faq .faq-searchbox:focus-within {
  border-color: rgba(255, 196, 0, 0.55);
}

.page-faq .faq-searchbox-icon {
  flex: none;
  color: var(--color-text-muted);
}

.page-faq .faq-searchbox input {
  flex: 1;
  min-width: 0;
  -webkit-appearance: none;
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--color-text);
  font: 14px/1.5 var(--font-body);
  outline: 0;
}

.page-faq .faq-searchbox input::placeholder {
  color: var(--color-text-muted);
}

.page-faq .faq-side-nav {
  display: grid;
  gap: 4px;
  margin-bottom: 18px;
}

.page-faq .faq-side-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.page-faq .faq-side-link {
  display: grid;
  grid-template-columns: 32px 1fr 10px;
  align-items: center;
  gap: 4px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  text-decoration: none;
  color: var(--color-text-secondary);
  transition: background-color 0.2s, border-color 0.2s, color 0.2s;
}

.page-faq .faq-side-link:hover,
.page-faq .faq-side-link:focus-visible {
  background: rgba(255, 196, 0, 0.06);
  border-color: rgba(255, 196, 0, 0.18);
  color: var(--color-text);
}

.page-faq .faq-side-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-muted);
  transition: color 0.2s;
}

.page-faq .faq-side-link:hover .faq-side-num {
  color: var(--color-yellow);
}

.page-faq .faq-side-text {
  font-size: 14px;
  font-weight: 600;
}

.page-faq .faq-side-arrow {
  width: 7px;
  height: 7px;
  border-top: 2px solid var(--color-text-muted);
  border-right: 2px solid var(--color-text-muted);
  transform: rotate(45deg);
  transition: border-color 0.2s;
}

.page-faq .faq-side-link:hover .faq-side-arrow {
  border-color: var(--color-yellow);
}

.page-faq .faq-side-card {
  position: relative;
  padding: 18px 16px;
  border-radius: var(--radius-md);
  background: var(--color-section);
  border: 1px solid var(--color-border);
  margin-bottom: 16px;
  overflow: hidden;
}

.page-faq .faq-side-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.35), transparent 70%);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}

.page-faq .faq-side-card-title {
  font-family: var(--font-headline);
  font-size: 17px;
  font-weight: 800;
  margin: 0 0 6px;
}

.page-faq .faq-side-card-text {
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin: 0 0 12px;
}

.page-faq .faq-side-ver {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
}

.page-faq .faq-side-ver-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.12);
}

.page-faq .faq-side-ver-label {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.page-faq .faq-side-ver-num {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-yellow);
}

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

.page-faq .faq-content-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
}

.page-faq .faq-content-num {
  font-family: var(--font-mono);
  font-size: 42px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-yellow);
}

.page-faq .faq-content-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.page-faq .faq-item {
  position: relative;
  display: block;
  margin-bottom: 14px;
  border-radius: var(--radius-md);
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-yellow);
  opacity: 0;
  transition: opacity 0.25s ease;
  z-index: 2;
}

.page-faq .faq-item::after {
  content: attr(data-num);
  position: absolute;
  right: 12px;
  top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-muted);
  opacity: 0.55;
  z-index: 1;
  pointer-events: none;
}

.page-faq .faq-item[open] {
  border-color: rgba(255, 196, 0, 0.4);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.3);
}

.page-faq .faq-item[open]::before {
  opacity: 1;
}

.page-faq .faq-item[open]::after {
  color: var(--color-yellow);
  opacity: 0.8;
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 20px 22px;
  cursor: pointer;
  list-style: none;
  -webkit-user-select: none;
  user-select: none;
}

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

.page-faq .faq-item-title {
  margin: 0;
  font-family: var(--font-headline);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--color-text);
  transition: color 0.2s;
  padding-right: 8px;
}

.page-faq .faq-item[open] .faq-item-title {
  color: var(--color-yellow);
}

.page-faq .faq-item-mark {
  flex: none;
  position: relative;
  width: 24px;
  height: 24px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  transition: border-color 0.2s, background-color 0.2s;
}

.page-faq .faq-item-mark::before,
.page-faq .faq-item-mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--color-yellow);
  transition: opacity 0.2s, transform 0.2s;
}

.page-faq .faq-item-mark::before {
  width: 12px;
  height: 2px;
}

.page-faq .faq-item-mark::after {
  width: 2px;
  height: 12px;
}

.page-faq .faq-item[open] .faq-item-mark {
  border-color: rgba(255, 196, 0, 0.45);
  background: rgba(255, 196, 0, 0.08);
}

.page-faq .faq-item[open] .faq-item-mark::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-item-body {
  margin: 0 22px;
  padding: 18px 0 20px;
  border-top: 1px dashed rgba(29, 58, 79, 0.7);
}

.page-faq .faq-item-body > p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.page-faq .faq-figure {
  margin: 16px 0;
  width: min(100%, 420px);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.page-faq .faq-figure figcaption {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 8px;
}

.page-faq .faq-item-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(29, 58, 79, 0.5);
}

.page-faq .faq-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px;
  border: 1px solid rgba(255, 196, 0, 0.5);
  border-radius: 999px;
  background: rgba(255, 196, 0, 0.08);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-yellow);
  letter-spacing: 0.05em;
}

.page-faq .faq-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 3px rgba(255, 196, 0, 0.12);
}

.page-faq .faq-item-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-cyan);
  text-decoration: none;
  transition: color 0.2s;
}

.page-faq .faq-item-link:hover {
  color: var(--color-yellow);
}

.page-faq .faq-extra {
  background: var(--color-section);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 26px 0 30px;
}

.page-faq .faq-extra-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-faq .faq-extra-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0 0 6px;
}

.page-faq .faq-extra-link {
  font-family: var(--font-headline);
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.2s;
}

.page-faq .faq-extra-link:hover {
  color: var(--color-yellow);
}

.page-faq .faq-extra-stats {
  display: grid;
  gap: 6px;
  border-left: 1px solid var(--color-border);
  padding-left: 16px;
}

.page-faq .faq-extra-stat {
  font-size: 13px;
  color: var(--color-text-secondary);
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-faq .faq-extra-stat em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--color-yellow);
  line-height: 1;
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: calc(var(--header-height) + 40px) 0 40px;
  }

  .page-faq .faq-hero-inner {
    grid-template-columns: 5fr 7fr;
    gap: 40px;
    align-items: center;
  }

  .page-faq .faq-title-line {
    gap: 16px;
  }

  .page-faq .faq-hero-index {
    font-size: clamp(120px, 16vw, 176px);
  }

  .page-faq .faq-main {
    grid-template-columns: 320px 1fr;
    gap: 44px;
    padding-top: 36px;
    padding-bottom: 60px;
  }

  .page-faq .faq-side {
    border-right: 1px solid var(--color-border);
    padding-right: 28px;
  }

  .page-faq .faq-extra-inner {
    grid-template-columns: 1.2fr 1.2fr 1fr;
    align-items: start;
    gap: 28px;
  }

  .page-faq .faq-extra-stats {
    justify-self: end;
    min-width: 220px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-item-title {
    font-size: 19px;
  }

  .page-faq .faq-item-body > p {
    font-size: 16px;
  }
}