.page-faq {
  font-family: var(--font-sans);
  color: var(--cream-text);
  background-color: var(--space-blue);
  line-height: 1.6;
}

.page-faq .faq-breadcrumb {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 20px 20px 0;
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 48px 20px 56px;
  background:
    linear-gradient(135deg, var(--dark-void) 0%, rgba(10,27,61,0.88) 55%, rgba(30,58,110,0.72) 100%),
    repeating-linear-gradient(0deg, transparent, transparent 31px, rgba(163,184,214,0.06) 32px);
  border-bottom: 1px solid var(--line-blue);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -60px;
  width: 300px;
  height: 300px;
  background: var(--space-blue-light);
  clip-path: polygon(38% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.5;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--orange-race) 0 33%, var(--green-neon) 33% 66%, transparent 66%);
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-width);
  margin: 0 auto;
}

.page-faq .faq-hero-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-faq .faq-hero-index {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--green-neon);
  letter-spacing: 0.08em;
}

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

.page-faq .faq-title {
  font-size: 36px;
  line-height: 1.15;
  font-weight: 900;
  margin: 0 0 16px;
  color: var(--cream-text);
  letter-spacing: 0.01em;
}

.page-faq .faq-hero-desc {
  font-size: 15px;
  color: var(--mist-blue);
  margin: 0 0 28px;
  max-width: 560px;
}

.page-faq .faq-search {
  position: relative;
  max-width: 640px;
}

.page-faq .faq-search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--mist-blue);
  pointer-events: none;
}

.page-faq .faq-search-input {
  box-sizing: border-box;
  width: 100%;
  background: rgba(5, 10, 24, 0.8);
  border: 1px solid var(--line-blue);
  border-left: 4px solid var(--orange-race);
  color: var(--cream-text);
  font-family: var(--font-sans);
  font-size: 15px;
  padding: 16px 20px 16px 48px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
}

.page-faq .faq-search-input::placeholder {
  color: var(--mist-blue);
  opacity: 0.7;
}

.page-faq .faq-search-input:focus {
  border-color: var(--green-neon);
  box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.12);
}

.page-faq .faq-hot {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-faq .faq-hot-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist-blue);
  letter-spacing: 0.1em;
}

.page-faq .faq-hot-tag {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--line-blue);
  color: var(--mist-blue);
  font-size: 13px;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-hot-tag:hover,
.page-faq .faq-hot-tag:focus-visible {
  color: var(--cream-text);
  border-color: var(--green-neon);
  outline: none;
}

.page-faq .faq-layout {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 20px 72px;
}

.page-faq .faq-index {
  margin-bottom: 32px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--line-blue) transparent;
}

.page-faq .faq-index-card {
  border: 1px solid var(--line-blue);
  background: var(--dark-void);
  padding: 12px;
  min-width: max-content;
}

.page-faq .faq-index-card-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--orange-race);
  padding: 0 4px 8px;
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 4px;
}

.page-faq .faq-index-link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 12px;
  color: var(--mist-blue);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  border-left: 2px solid transparent;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible,
.page-faq .faq-index-link.is-active {
  color: var(--cream-text);
  background: var(--space-blue-light);
  border-left-color: var(--green-neon);
  outline: none;
}

.page-faq .faq-index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--green-neon);
}

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

.page-faq .faq-section {
  margin-top: 48px;
}

.page-faq .faq-section-desc {
  color: var(--mist-blue);
  font-size: 15px;
  margin: 8px 0 24px;
  max-width: 640px;
}

.page-faq .faq-link {
  color: var(--orange-race);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 26, 0.4);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  color: var(--green-neon);
  border-bottom-color: var(--green-neon);
  outline: none;
}

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

.page-faq .faq-item {
  border: 1px solid var(--line-blue);
  border-left: 3px solid var(--space-blue-light);
  background: rgba(5, 10, 24, 0.55);
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.page-faq .faq-item[open] {
  background: rgba(10, 27, 61, 0.75);
  border-left-color: var(--green-neon);
}

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 700;
  color: var(--cream-text);
  user-select: none;
}

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

.page-faq .faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 400;
  line-height: 1;
  color: var(--orange-race);
  flex-shrink: 0;
}

.page-faq .faq-item[open] summary::after {
  content: "–";
  color: var(--green-neon);
}

.page-faq .faq-answer {
  margin: 0 20px 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(46, 74, 122, 0.5);
  color: var(--mist-blue);
  font-size: 14px;
}

.page-faq .faq-answer p {
  margin: 0 0 8px;
}

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

.page-faq .faq-steps {
  margin: 12px 0;
  padding-left: 20px;
}

.page-faq .faq-steps li {
  margin-bottom: 6px;
}

.page-faq .faq-steps li:last-child {
  margin-bottom: 0;
}

.page-faq .faq-code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--green-neon);
  background: var(--dark-void);
  padding: 2px 6px;
  border: 1px solid var(--line-blue);
  word-break: break-all;
}

.page-faq .faq-guide-grid,
.page-faq .faq-api-grid {
  margin-top: 24px;
}

.page-faq .faq-figure {
  margin: 24px 0 0;
}

.page-faq .faq-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--line-blue);
  background: var(--dark-void);
  object-fit: cover;
}

.page-faq .faq-figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist-blue);
}

.page-faq .faq-figure--terminal .faq-img {
  border-left: 4px solid var(--green-neon);
}

.page-faq .faq-contact {
  border-top: 2px solid var(--line-blue);
  padding-top: 36px;
  margin-top: 56px;
}

.page-faq .faq-contact-grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-faq .faq-contact-card {
  border: 1px solid var(--line-blue);
  background: var(--dark-void);
  padding: 24px 20px;
  transition: border-color 0.2s ease;
}

.page-faq .faq-contact-card:hover {
  border-color: var(--space-blue-light);
}

.page-faq .faq-contact-icon {
  font-family: var(--font-mono);
  font-size: 26px;
  color: var(--orange-race);
  line-height: 1;
}

.page-faq .faq-contact-card h3 {
  margin: 10px 0 4px;
  font-size: 15px;
  color: var(--cream-text);
}

.page-faq .faq-contact-value {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--green-neon);
  word-break: break-all;
  margin: 0 0 10px;
}

.page-faq .faq-contact-card p:last-child {
  color: var(--mist-blue);
  font-size: 13px;
  margin: 0;
}

.page-faq .faq-contact-note {
  margin-top: 24px;
  padding: 16px 20px;
  border: 1px dashed var(--line-blue);
  color: var(--mist-blue);
  font-size: 14px;
}

@media (min-width: 900px) {
  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding: 64px 32px 72px;
  }

  .page-faq .faq-title {
    font-size: 56px;
  }

  .page-faq .faq-hero-desc {
    font-size: 17px;
  }

  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 48px;
    padding-top: 48px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-height) + 24px);
    overflow: visible;
    margin-bottom: 0;
  }

  .page-faq .faq-index-card {
    min-width: 0;
    padding: 16px;
  }

  .page-faq .faq-index-list {
    display: block;
  }

  .page-faq .faq-index-link {
    border-left: 2px solid transparent;
    border-bottom: 1px solid rgba(46, 74, 122, 0.35);
    white-space: normal;
  }

  .page-faq .faq-index-list li:last-child .faq-index-link {
    border-bottom: none;
  }

  .page-faq .faq-section {
    margin-top: 64px;
  }

  .page-faq .faq-guide-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 400px;
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-api-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 420px;
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-figure {
    margin: 0;
  }
}