.page-faq {
  --faq-night: #07111C;
  --faq-night-2: #0B1A28;
  --faq-night-line: #1B3042;
  --faq-night-soft: #AAB9C7;
  --faq-neon: #B7FF3C;
  --faq-cyan: #42D9C8;
  --faq-orange: #FF5A1F;
  --faq-glass: rgba(255,255,255,0.72);
  background: var(--paper, #F5F1E8);
  color: var(--ink, #1F1A17);
  overflow-x: hidden;
}

.page-faq a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--line, #CBC2B4);
}

.page-faq a:hover {
  text-decoration-color: var(--accent, #E5482D);
}

.page-faq .container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 20px;
}

.page-faq .section-head {
  margin-bottom: 1.75rem;
}

.page-faq .section-index {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--accent, #E5482D);
  border-bottom: 1px solid var(--line, #CBC2B4);
  padding-bottom: 0.35rem;
  margin-bottom: 0.75rem;
}

.page-faq .section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0.4rem 0 0.5rem;
}

.page-faq .section-summary {
  font-size: 0.95rem;
  color: var(--ink-soft, #5B534D);
  line-height: 1.7;
  max-width: 44em;
  margin: 0;
}

.page-faq__crumbs {
  padding-top: 1.4rem;
  font-size: 0.85rem;
}

.page-faq__crumbs .breadcrumbs__item--current {
  color: var(--ink-faint, #8A8078);
}

.page-faq__intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 2.75rem 0 2.4rem;
  position: relative;
}

.page-faq__kicker {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  background: var(--paper-mid, #EAE4D6);
  border: 1px solid var(--line, #CBC2B4);
  padding: 0.32rem 0.75rem;
  margin-bottom: 1.1rem;
  color: var(--accent, #E5482D);
}

.page-faq__intro h1 {
  font-family: var(--font-sans, "Noto Sans SC", "PingFang SC", sans-serif);
  font-size: clamp(1.85rem, 4.6vw, 3.2rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.15;
  max-width: 14em;
  margin: 0 0 1rem;
}

.page-faq__lead {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink-soft, #5B534D);
  max-width: 46em;
  margin: 0;
}

.page-faq__intro-mark {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-end;
  background: var(--paper-mid, #EAE4D6);
  border: 1px solid var(--line, #CBC2B4);
  border-top: 5px solid var(--accent, #E5482D);
  padding: 1.4rem 1.6rem;
  min-height: 164px;
}

.page-faq__intro-mark span:first-child {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--ink-faint, #8A8078);
}

.page-faq__intro-num {
  font-size: 4.5rem;
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--accent, #E5482D);
  margin: 0.45rem 0;
}

.page-faq__intro-mark span:last-child {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--ink-soft, #5B534D);
}

.page-faq__search {
  position: relative;
  background: var(--faq-night);
  padding: 3.2rem 0 5.6rem;
  margin-top: 0.5rem;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 42px), 0 100%);
  color: var(--faq-night-soft);
}

.page-faq__search-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.page-faq__search-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
  display: block;
}

.page-faq__search-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(7,17,28,0.92) 0%, rgba(11,26,40,0.78) 48%, rgba(7,17,28,0.62) 100%);
}

.page-faq__search-inner {
  position: relative;
  z-index: 1;
}

.page-faq__search .section-index {
  color: var(--faq-neon);
  border-bottom-color: var(--faq-night-line);
}

.page-faq__search .section-title {
  color: #FFFFFF;
}

.page-faq__search .section-summary {
  color: var(--faq-night-soft);
}

.page-faq__search-panel {
  background: var(--faq-glass);
  border: 1px solid rgba(255,255,255,0.42);
  box-shadow: 0 24px 80px rgba(7,17,28,0.45);
  padding: 1.6rem 1.35rem 1.75rem;
  backdrop-filter: blur(6px);
}

.page-faq__search-hint {
  font-size: 0.95rem;
  color: var(--ink-soft, #5B534D);
  margin: 0.4rem 0 1.3rem;
  max-width: 42em;
  line-height: 1.7;
}

.page-faq__search-field {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: var(--paper, #F5F1E8);
  border: 2px solid var(--faq-night-2);
  padding: 0.55rem 1rem;
  transition: border-color 0.2s ease;
}

.page-faq__search-field:focus-within {
  border-color: var(--faq-neon);
}

.page-faq__search-caret {
  color: var(--accent, #E5482D);
  font-size: 1.35rem;
  line-height: 1;
}

.page-faq__search-input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  font-family: var(--font-sans, "Noto Sans SC", "PingFang SC", sans-serif);
  font-size: 1rem;
  padding: 0.4rem 0;
  color: var(--ink, #1F1A17);
  outline: none;
}

.page-faq__search-input::placeholder {
  color: var(--ink-faint, #8A8078);
}

.page-faq__suggestions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin-top: 1.3rem;
}

.page-faq__suggest-label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--ink-faint, #8A8078);
  margin-right: 0.25rem;
}

.page-faq__suggest-btn {
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  background: transparent;
  border: 1px solid var(--line, #CBC2B4);
  padding: 0.32rem 0.8rem;
  cursor: pointer;
  color: var(--ink-soft, #5B534D);
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.page-faq__suggest-btn:hover {
  color: #FFFFFF;
  background: var(--accent, #E5482D);
  border-color: var(--accent, #E5482D);
}

.page-faq__search-fallback {
  font-size: 0.85rem;
  color: var(--ink-soft, #5B534D);
  margin: 1.35rem 0 0;
  border-top: 1px dashed var(--line, #CBC2B4);
  padding-top: 1rem;
}

.page-faq__search-fallback .mono {
  color: var(--accent, #E5482D);
  font-size: 0.78rem;
}

.page-faq__qa {
  padding: 4rem 0 2.4rem;
}

.page-faq__qa-head {
  margin-bottom: 2.2rem;
}

.page-faq__manual {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.8rem;
}

.page-faq__toc {
  background: var(--paper-mid, #EAE4D6);
  border: 1px solid var(--line, #CBC2B4);
  border-top: 4px solid var(--ink, #1F1A17);
  padding: 1.3rem 1.3rem 1.5rem;
  align-self: start;
}

.page-faq__toc-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--ink-faint, #8A8078);
  border-bottom: 1px solid var(--line, #CBC2B4);
  padding-bottom: 0.75rem;
  margin-bottom: 0.4rem;
}

.page-faq__toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq__toc-link {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  text-decoration: none;
  color: var(--ink-soft, #5B534D);
  padding: 0.62rem 0;
  border-bottom: 1px dotted var(--line, #CBC2B4);
  font-size: 0.9rem;
  line-height: 1.5;
  transition: color 0.15s ease, padding-left 0.15s ease;
}

.page-faq__toc-link:hover {
  color: var(--ink, #1F1A17);
  padding-left: 0.35rem;
}

.page-faq__toc-link .mono {
  color: var(--accent, #E5482D);
  font-size: 0.78rem;
  min-width: 2.5rem;
}

.page-faq__toc-note {
  margin-top: 1.35rem;
  padding: 0.9rem 1rem;
  background: var(--paper, #F5F1E8);
  border: 1px dashed var(--line, #CBC2B4);
}

.page-faq__toc-note span {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--amber, #D97A0D);
  margin-bottom: 0.35rem;
}

.page-faq__toc-note p {
  font-size: 0.85rem;
  line-height: 1.7;
  margin: 0;
  color: var(--ink-soft, #5B534D);
}

.page-faq__answers {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.page-faq__card {
  background: rgba(255,255,255,0.68);
  border: 1px solid var(--line, #CBC2B4);
  border-left: 5px solid var(--ink, #1F1A17);
  box-shadow: 0 12px 32px rgba(31,26,23,0.05);
  transition: box-shadow 0.2s ease, border-left-color 0.2s ease;
}

.page-faq__card:hover {
  box-shadow: 0 20px 48px rgba(31,26,23,0.1);
}

.page-faq__summary {
  display: grid;
  grid-template-columns: 2.9rem minmax(0, 1fr) 1.5rem;
  gap: 0.85rem;
  align-items: center;
  padding: 1.15rem 1.25rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

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

.page-faq__card-no {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--accent, #E5482D);
  font-weight: 700;
}

.page-faq__card-title {
  font-weight: 700;
  font-size: 1.04rem;
  line-height: 1.4;
  color: var(--ink, #1F1A17);
}

.page-faq__card-arrow {
  text-align: right;
  font-size: 1.05rem;
  color: var(--ink-faint, #8A8078);
  transition: transform 0.2s ease, color 0.2s ease;
}

.page-faq__details[open] .page-faq__card-arrow {
  transform: rotate(45deg);
  color: var(--accent, #E5482D);
}

.page-faq__card-body {
  padding: 0.15rem 1.25rem 1.5rem 1.25rem;
  border-top: 1px solid rgba(203,194,180,0.65);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--ink-soft, #5B534D);
}

.page-faq__card-body p:first-child {
  margin-top: 1.1rem;
}

.page-faq__card-body p {
  margin-bottom: 1rem;
}

.page-faq__steps {
  margin: 1.25rem 0 1.4rem;
  padding: 0;
  list-style: none;
  counter-reset: faq-step;
}

.page-faq__steps li {
  counter-increment: faq-step;
  position: relative;
  padding-left: 2.6rem;
  margin-bottom: 0.75rem;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--ink, #1F1A17);
}

.page-faq__steps li::before {
  content: counter(faq-step);
  position: absolute;
  left: 0;
  top: 0.08rem;
  width: 1.7rem;
  height: 1.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: 0.74rem;
  color: #FFFFFF;
  background: var(--faq-night);
  border: 1px solid var(--faq-night);
}

.page-faq__path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem;
  border-top: 1px dashed var(--line, #CBC2B4);
  padding-top: 1rem;
  margin-top: 1.3rem;
  font-size: 0.85rem;
}

.page-faq__path-label {
  color: var(--ink-faint, #8A8078);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
}

.page-faq__path-code {
  background: var(--faq-night-2);
  color: var(--faq-neon);
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  padding: 0.5rem 0.85rem;
  word-break: break-all;
}

.page-faq__copy-btn {
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: 0.7rem;
  background: transparent;
  border: 1px dashed var(--ink-faint, #8A8078);
  color: var(--ink-faint, #8A8078);
  padding: 0.42rem 0.72rem;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.page-faq__copy-btn:hover {
  color: var(--accent, #E5482D);
  border-color: var(--accent, #E5482D);
  background: rgba(229,72,45,0.06);
}

.page-faq__sync-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.page-faq__sync-figure {
  margin: 1.6rem 0 0;
  background: var(--faq-night);
  padding: 0.9rem 0.9rem 0.6rem;
}

.page-faq__sync-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq__sync-caption {
  display: block;
  text-align: right;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--faq-night-soft);
  padding-top: 0.55rem;
}

.page-faq__statusline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.4rem;
  align-items: center;
  margin-top: 2.8rem;
  background: var(--faq-night-2);
  border-left: 6px solid var(--faq-neon);
  padding: 1rem 1.3rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--faq-night-soft);
}

.page-faq__status-dot {
  color: var(--faq-neon);
}

.page-faq__contact {
  padding: 3rem 0 3.6rem;
}

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

.page-faq__contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
}

.page-faq__contact-item {
  border: 1px dashed var(--line, #CBC2B4);
  padding: 1.4rem 1.5rem;
  background: var(--paper-mid, #EAE4D6);
}

.page-faq__contact-tag {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--accent, #E5482D);
}

.page-faq__contact-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink, #1F1A17);
  margin: 0.6rem 0 0.3rem;
}

.page-faq__contact-value {
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: 0.88rem;
  color: var(--ink, #1F1A17);
  margin: 0;
  word-break: break-all;
}

.page-faq__contact-note {
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--ink-soft, #5B534D);
  border-top: 1px dashed var(--line, #CBC2B4);
  padding-top: 1.4rem;
  margin-top: 2rem;
  max-width: 60em;
}

@media (min-width: 640px) {
  .page-faq__card-body {
    padding: 0.15rem 1.6rem 1.6rem 1.6rem;
  }

  .page-faq__summary {
    padding: 1.25rem 1.6rem;
  }

  .page-faq__sync-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 2rem;
  }

  .page-faq__sync-figure {
    margin-top: 0.4rem;
  }

  .page-faq__contact-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .page-faq__contact-item {
    padding: 1.5rem 1.6rem;
  }
}

@media (min-width: 960px) {
  .page-faq__crumbs {
    padding-top: 1.8rem;
  }

  .page-faq__intro {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 3rem;
    align-items: end;
    padding: 4.5rem 0 3.2rem;
  }

  .page-faq__intro-mark {
    min-height: 190px;
  }

  .page-faq__search {
    padding: 4rem 0 7rem;
  }

  .page-faq__search-panel {
    padding: 2.4rem 3rem;
  }

  .page-faq__manual {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 2.75rem;
    align-items: start;
  }

  .page-faq__toc {
    position: sticky;
    top: 2rem;
  }

  .page-faq__card-body {
    padding: 0.2rem 2rem 1.8rem 5.3rem;
  }

  .page-faq__summary {
    grid-template-columns: 3.4rem minmax(0, 1fr) 1.6rem;
    padding: 1.3rem 2rem;
  }

  .page-faq__card--sync .page-faq__card-body {
    padding-left: 0;
  }

  .page-faq__card--sync .page-faq__sync-copy {
    padding-left: 2rem;
  }

  .page-faq__statusline {
    width: calc(100% + 3rem);
    margin-left: 0;
    margin-right: -3rem;
    padding: 1.1rem 2rem;
  }

  .page-faq__contact {
    padding: 4rem 0 4.5rem;
  }
}

@media (min-width: 1200px) {
  .page-faq__qa {
    padding-top: 5rem;
  }

  .page-faq__statusline {
    gap: 1.6rem;
    font-size: 0.74rem;
  }
}