.page-faq{
  --faq-hard-shadow: 6px 6px 0 rgba(4, 10, 22, 0.55);
  --faq-accent-soft: rgba(255, 107, 53, 0.14);
}

.page-faq .faq-hero{
  position: relative;
  padding: 148px 0 64px;
  background:
    linear-gradient(120deg, rgba(255,107,53,0.10) 0%, transparent 34%),
    var(--bg-primary);
  border-bottom: 2px solid var(--border);
  overflow: hidden;
}
.page-faq .faq-hero::after{
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 180px;
  height: 4px;
  background: var(--accent);
}
.page-faq .faq-hero .container{
  position: relative;
  z-index: 1;
}
.page-faq .faq-hero .breadcrumb{
  margin-bottom: 36px;
}
.page-faq .faq-hero-inner{
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: end;
}
.page-faq .faq-hero-kicker{
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.page-faq .faq-hero-copy h1{
  margin: 0 0 16px;
  font-family: var(--font-headline);
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.16;
  color: var(--text-primary);
}
.page-faq .faq-hero-lead{
  margin: 0;
  max-width: 720px;
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.85;
}
.page-faq .faq-hero-stat{
  border-left: 3px solid var(--accent);
  padding: 8px 0 8px 24px;
  text-align: right;
  white-space: nowrap;
}
.page-faq .faq-hero-stat-num{
  display: block;
  font-family: var(--font-mono);
  font-size: 52px;
  font-weight: 700;
  line-height: 1;
  color: var(--text-primary);
}
.page-faq .faq-hero-stat-label{
  display: block;
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}

.page-faq .faq-search{
  padding: 64px 0;
  background: var(--bg-primary);
}
.page-faq .faq-search-grid{
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 48px;
  align-items: center;
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  box-shadow: var(--faq-hard-shadow);
  padding: 32px;
}
.page-faq .faq-search-figure{
  margin: 0;
  border: 2px solid var(--border);
  background: var(--bg-primary);
  box-shadow: 6px 6px 0 rgba(255,107,53,0.26);
  transform: rotate(-1.2deg);
  overflow: hidden;
}
.page-faq .faq-search-figure img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-search-content h2{
  margin: 8px 0 12px;
  font-family: var(--font-headline);
  font-size: 32px;
  line-height: 1.25;
  color: var(--text-primary);
}
.page-faq .faq-search-content > p{
  margin: 0 0 24px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.page-faq .faq-search-bar{
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-primary);
  border: 2px solid var(--line);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 15px;
  text-align: left;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.page-faq .faq-search-bar svg{
  flex-shrink: 0;
  color: var(--accent);
}
.page-faq .faq-search-bar > span{
  flex: 1;
  min-width: 0;
}
.page-faq .faq-search-bar:hover{
  border-color: var(--accent);
  box-shadow: 4px 4px 0 rgba(255,107,53,0.2);
}
.page-faq .faq-search-action{
  margin-left: auto;
  background: var(--accent);
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  white-space: nowrap;
}
.page-faq .faq-tags{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-muted);
}
.page-faq .faq-tags a{
  border: 1px solid var(--line);
  padding: 4px 10px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}
.page-faq .faq-tags a:hover{
  border-color: var(--accent);
  color: var(--accent);
}

.page-faq .faq-body{
  padding: 24px 0 80px;
  background: var(--bg-primary);
}
.page-faq .faq-layout{
  display: grid;
  grid-template-columns: 264px 1fr;
  gap: 48px;
  align-items: start;
}
.page-faq .faq-index{
  position: sticky;
  top: 96px;
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  box-shadow: var(--faq-hard-shadow);
  padding: 24px;
}
.page-faq .faq-index-nav{
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 16px;
}
.page-faq .faq-index-link{
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.page-faq .faq-index-link span{
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
}
.page-faq .faq-index-link:hover{
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-left-color: var(--accent);
}
.page-faq .faq-index-note{
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.page-faq .faq-index-note p{
  margin: 0 0 14px;
  color: var(--text-secondary);
  font-size: 14px;
}

.page-faq .faq-content{
  min-width: 0;
}
.page-faq .faq-section-title{
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 48px 0 6px;
  font-family: var(--font-headline);
  font-size: 32px;
  line-height: 1.25;
  color: var(--text-primary);
  scroll-margin-top: 96px;
}
.page-faq .faq-section-title:first-child{
  margin-top: 0;
}
.page-faq .faq-section-num{
  display: inline-grid;
  place-items: center;
  min-width: 42px;
  height: 36px;
  padding: 0 10px;
  background: var(--faq-accent-soft);
  border: 1px solid rgba(255,107,53,0.5);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 15px;
}
.page-faq .faq-section-desc{
  margin: 0 0 8px;
  color: var(--text-muted);
  font-size: 14px;
}

.page-faq .faq-price-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 20px 0 32px;
}
.page-faq .faq-price-cell{
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  box-shadow: 4px 4px 0 rgba(4,10,22,0.42);
  padding: 18px 20px;
}
.page-faq .faq-price-num{
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--accent);
}
.page-faq .faq-price-unit{
  font-size: 14px;
  font-weight: 400;
  color: var(--text-secondary);
  margin-left: 4px;
}
.page-faq .faq-price-label{
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.page-faq .faq-version-table{
  margin: 20px 0 32px;
  border: 2px solid var(--border);
  background: var(--bg-primary);
}
.page-faq .faq-version-row{
  display: grid;
  grid-template-columns: 0.8fr 1.2fr 1.6fr;
  gap: 12px;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  color: var(--text-secondary);
  font-size: 15px;
}
.page-faq .faq-version-row:last-child{
  border-bottom: 0;
}
.page-faq .faq-version-row span:first-child{
  color: var(--text-primary);
  font-weight: 600;
}
.page-faq .faq-version-head{
  background: var(--bg-secondary);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding-top: 10px;
  padding-bottom: 10px;
}
.page-faq .faq-version-head span,
.page-faq .faq-version-head span:first-child{
  color: var(--text-muted);
  font-weight: 400;
}

.page-faq .faq-item{
  margin: 16px 0 0;
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  box-shadow: 4px 4px 0 rgba(4,10,22,0.4);
  scroll-margin-top: 90px;
  transition: border-color 0.3s var(--ease);
}
.page-faq .faq-item[open]{
  border-color: rgba(255,107,53,0.55);
}
.page-faq .faq-item summary{
  position: relative;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-primary);
  transition: background 0.25s var(--ease);
}
.page-faq .faq-item summary::-webkit-details-marker{
  display: none;
}
.page-faq .faq-item summary:hover{
  background: var(--bg-elevated);
}
.page-faq .faq-item summary::before{
  content: "Q";
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border: 2px solid var(--accent);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
}
.page-faq .faq-item summary::after{
  content: "+";
  margin-left: auto;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--text-muted);
  transition: color 0.3s var(--ease), transform 0.3s var(--ease);
}
.page-faq .faq-item[open] > summary::after{
  content: "−";
  color: var(--accent);
  transform: rotate(180deg);
}
.page-faq .faq-item-body{
  padding: 0 24px 22px 70px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.85;
}
.page-faq .faq-item-body p{
  margin: 0 0 8px;
}
.page-faq .faq-item-body p:last-child{
  margin-bottom: 0;
}
.page-faq .faq-item-body a{
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-contact{
  padding: 72px 0;
  background:
    linear-gradient(120deg, transparent 40%, rgba(255,107,53,0.05) 40%),
    var(--bg-primary);
  border-top: 2px solid var(--border);
  scroll-margin-top: 72px;
}
.page-faq .faq-contact-grid{
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}
.page-faq .faq-contact-figure{
  margin: 0;
  border: 2px solid var(--border);
  background: var(--bg-secondary);
  box-shadow: var(--faq-hard-shadow);
  transform: rotate(1deg);
}
.page-faq .faq-contact-figure img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-contact-info h2{
  margin: 8px 0 12px;
  font-family: var(--font-headline);
  font-size: 32px;
  line-height: 1.25;
  color: var(--text-primary);
}
.page-faq .faq-contact-info > p{
  margin: 0;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
}
.page-faq .faq-contact-list{
  list-style: none;
  margin: 24px 0 28px;
  padding: 0;
}
.page-faq .faq-contact-list li{
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  color: var(--text-primary);
  font-size: 15px;
  overflow-wrap: break-word;
}
.page-faq .faq-contact-list .contact-label{
  width: 56px;
  flex-shrink: 0;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
}

@media (max-width: 1024px){
  .page-faq .faq-layout{
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .page-faq .faq-index{
    position: static;
  }
  .page-faq .faq-index-nav{
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 8px;
    padding-bottom: 4px;
  }
  .page-faq .faq-index-link{
    border-left: 0;
    border-bottom: 2px solid transparent;
    padding: 8px 12px;
    white-space: nowrap;
  }
  .page-faq .faq-index-link:hover{
    border-left: 0;
    border-bottom-color: var(--accent);
  }
  .page-faq .faq-index-note{
    display: none;
  }
  .page-faq .faq-search-grid,
  .page-faq .faq-contact-grid{
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 640px){
  .page-faq .faq-hero{
    padding: 112px 0 48px;
  }
  .page-faq .faq-hero-inner{
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .page-faq .faq-hero-stat{
    text-align: left;
    padding-left: 16px;
  }
  .page-faq .faq-hero-stat-num{
    font-size: 40px;
  }
  .page-faq .faq-search,
  .page-faq .faq-body{
    padding: 40px 0;
  }
  .page-faq .faq-search-grid{
    padding: 18px;
    gap: 20px;
  }
  .page-faq .faq-contact-grid{
    gap: 28px;
  }
  .page-faq .faq-search-content h2,
  .page-faq .faq-contact-info h2,
  .page-faq .faq-section-title{
    font-size: 24px;
  }
  .page-faq .faq-price-grid{
    grid-template-columns: 1fr;
  }
  .page-faq .faq-version-row{
    grid-template-columns: 1fr 1fr;
    padding: 12px 14px;
    font-size: 14px;
  }
  .page-faq .faq-version-row span:last-child{
    grid-column: 1 / -1;
  }
  .page-faq .faq-item summary{
    padding: 16px;
    font-size: 15px;
    gap: 12px;
  }
  .page-faq .faq-item summary::before{
    width: 28px;
    height: 28px;
    font-size: 13px;
  }
  .page-faq .faq-item-body{
    padding: 0 16px 18px;
  }
  .page-faq .faq-contact{
    padding: 48px 0;
  }
  .page-faq .faq-contact-list li{
    font-size: 14px;
  }
}