.page-faq{
  --faq-index-w: 3.5rem;
  background: var(--bg-deep);
  color: var(--text-light);
  padding-bottom: 3.5rem;
  overflow-x: hidden;
  font-family: var(--font-body);
}
.faq-hero{
  padding: 1.75rem 1.25rem 2.5rem;
  background-image:
    linear-gradient(var(--border-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-line) 1px, transparent 1px);
  background-size: 2.5rem 2.5rem;
  border-bottom: 1px solid var(--border-line);
}
.faq-breadcrumb{
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 auto 1.5rem;
  max-width: var(--container-width);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}
.faq-breadcrumb a{
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  border-bottom: 1px solid transparent;
}
.faq-breadcrumb a:hover{
  color: var(--accent-green);
  border-color: var(--accent-green);
}
.faq-breadcrumb__sep{
  color: var(--border-line);
}
.faq-hero__inner{
  max-width: var(--container-width);
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
  align-items: end;
}
.faq-hero__label{
  color: var(--accent-green);
  margin-bottom: 0.75rem;
}
.faq-hero h1{
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 6vw, 2.75rem);
  line-height: 1.15;
  margin: 0 0 1rem;
  max-width: 20em;
  letter-spacing: 0.01em;
}
.faq-hero__summary{
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.8;
  max-width: 42em;
  margin: 0;
}
.faq-hero__meta{
  display: flex;
  gap: 1px;
  background: var(--border-line);
  border: 1px solid var(--border-line);
  border-top: 3px solid var(--accent-green);
}
.faq-hero__meta-item{
  flex: 1 1 0;
  min-width: 0;
  background: var(--bg-mid);
  padding: 1rem 0.875rem;
  display: grid;
  gap: 0.25rem;
}
.faq-hero__meta-num{
  font-family: var(--font-mono);
  font-size: 1.625rem;
  line-height: 1.1;
  color: var(--accent-green);
  white-space: nowrap;
}
.faq-toolbar{
  position: sticky;
  top: var(--header-h);
  z-index: 20;
  display: flex;
  justify-content: center;
  overflow-x: auto;
  background: rgba(10, 25, 47, 0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-line);
  padding: 0.75rem 1.25rem;
}
.page-faq .tag-filter{
  display: flex;
  gap: 0.5rem;
  flex-wrap: nowrap;
  width: max-content;
  margin: 0 auto;
}
.page-faq .tag-filter__btn{
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  padding: 0.5rem 0.875rem;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-line);
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}
.page-faq .tag-filter__btn:hover,
.page-faq .tag-filter__btn[data-active]{
  color: var(--accent-green);
  border-color: var(--accent-green);
  background: rgba(57, 255, 20, 0.07);
}
.faq-layout{
  max-width: var(--container-width);
  margin: 0 auto;
  display: grid;
  gap: 1.75rem;
  padding: 1.75rem 1.25rem 2.5rem;
  align-items: start;
}
.faq-side{
  order: -1;
}
.faq-side__inner{
  background: var(--bg-mid);
  border: 1px solid var(--border-line);
  padding: 1.25rem;
  display: grid;
  gap: 0.875rem;
}
.faq-side .data-label{
  color: var(--accent-green);
}
.faq-side__nav{
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
}
.page-faq .toc-side__link{
  display: inline-block;
  padding: 0.375rem 0.625rem;
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--text-secondary);
  text-decoration: none;
  border: 1px solid var(--border-line);
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}
.page-faq .toc-side__link:hover,
.page-faq .toc-side__link[data-active]{
  color: var(--accent-green);
  border-color: var(--accent-green);
  background: rgba(57, 255, 20, 0.06);
}
.faq-side__prompt{
  margin-top: 0.875rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-line);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  line-height: 1.75;
}
.faq-side__prompt p{
  margin: 0;
}
.faq-side__prompt a{
  color: var(--accent-green);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.faq-side__prompt-icon{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: 2px solid var(--accent-orange);
  color: var(--accent-orange);
  font-family: var(--font-display);
  font-size: 1.125rem;
  line-height: 1;
  margin-bottom: 0.625rem;
}
.faq-side__prompt-icon::before{
  content: "?";
}
.faq-content{
  min-width: 0;
  display: grid;
  gap: 2.75rem;
}
.faq-section{
  scroll-margin-top: calc(var(--header-h) + 4rem);
  min-width: 0;
}
.faq-section__head{
  display: grid;
  grid-template-columns: var(--faq-index-w) 1fr;
  gap: 0.875rem;
  align-items: start;
  border-bottom: 2px solid var(--border-line);
  padding-bottom: 1rem;
  margin-bottom: 0.75rem;
}
.faq-section__index{
  font-family: var(--font-display);
  font-size: 1.75rem;
  line-height: 1;
  color: var(--accent-green);
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  border-left: 4px solid var(--accent-green);
  padding: 0.75rem 0.375rem 0.625rem;
  text-align: center;
  min-width: 0;
}
.faq-section__title{
  min-width: 0;
}
.faq-section__title h2{
  font-family: var(--font-display);
  font-size: 1.375rem;
  line-height: 1.2;
  margin: 0 0 0.5rem;
  color: var(--text-light);
}
.faq-section__desc{
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--text-secondary);
}
.faq-list{
  border-top: 1px solid var(--border-line);
}
.faq-item{
  border-bottom: 1px solid var(--border-line);
}
.faq-item__trigger{
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.625rem;
  align-items: center;
  width: 100%;
  padding: 1.25rem 0.25rem;
  background: none;
  border: 0;
  color: var(--text-light);
  text-align: left;
  cursor: pointer;
  font-family: var(--font-body);
  transition: background var(--transition-fast);
}
.faq-item__trigger:hover{
  background: rgba(17, 34, 64, 0.5);
}
.faq-item__no{
  font-family: var(--font-mono);
  font-size: 0.75rem;
  white-space: nowrap;
  color: var(--accent-green);
  background: rgba(57, 255, 20, 0.08);
  border: 1px solid rgba(57, 255, 20, 0.3);
  padding: 0.25rem 0.375rem;
  line-height: 1.2;
}
.faq-item__q{
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.5;
  letter-spacing: 0.01em;
  transition: color var(--transition-fast);
}
.faq-item__trigger:hover .faq-item__q{
  color: var(--accent-green);
}
.faq-item__icon{
  font-family: var(--font-mono);
  font-size: 1.125rem;
  color: var(--text-secondary);
  transition: transform 0.25s ease, color var(--transition-fast);
}
.faq-item[data-open] .faq-item__icon{
  transform: rotate(45deg);
  color: var(--accent-orange);
}
.faq-item__answer{
  display: none;
  padding: 0 0.25rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.85;
}
.faq-item[data-open] .faq-item__answer{
  display: block;
}
.faq-item__answer p{
  margin: 0 0 0.75rem;
}
.faq-item__answer p:last-child{
  margin-bottom: 0;
}
.faq-item__answer a{
  color: var(--accent-green);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.faq-item__answer-inner{
  margin-left: 2.875rem;
  padding-left: 1rem;
  border-left: 1px solid var(--border-line);
}
.faq-figure{
  margin: 1.5rem 0 0;
  padding: 0.75rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
}
.faq-figure img{
  display: block;
  width: 100%;
  height: auto;
}
.faq-figure--mobile img{
  max-height: 26rem;
  width: 100%;
  object-fit: cover;
  object-position: top center;
}
.faq-figure figcaption{
  margin-top: 0.625rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}
.faq-more{
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0.5rem 1.25rem 2rem;
  display: grid;
  gap: 1rem;
}
.faq-more__card{
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  padding: 1.5rem;
}
.faq-more__card--orange{
  background: var(--bg-mid);
  border-left: 4px solid var(--accent-orange);
}
.faq-more__card .data-label{
  color: var(--text-secondary);
}
.faq-more__card--orange .data-label{
  color: var(--accent-orange);
}
.faq-more__card h2{
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.3;
  margin: 0.5rem 0 0.75rem;
  color: var(--text-light);
}
.faq-more__card p{
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.75;
}
.faq-more__card a{
  color: var(--accent-green);
  text-underline-offset: 3px;
}
.faq-more__btn{
  display: inline-block;
  margin-top: 1rem;
  padding: 0.625rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-green);
  background: transparent;
  border: 1px solid var(--accent-green);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.faq-more__btn:hover{
  background: var(--accent-green);
  color: var(--bg-deep);
}
.faq-more__card--orange .faq-more__btn{
  color: var(--accent-orange);
  border-color: var(--accent-orange);
}
.faq-more__card--orange .faq-more__btn:hover{
  background: var(--accent-orange);
  color: var(--bg-deep);
}
@media (min-width: 640px){
  .faq-hero__inner{
    grid-template-columns: 1fr auto;
    gap: 2rem;
  }
  .faq-hero__meta{
    min-width: 17rem;
  }
  .faq-more{
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }
}
@media (min-width: 960px){
  .faq-hero{
    padding: 3.5rem 2rem 3.5rem;
  }
  .faq-layout{
    grid-template-columns: 15.5rem minmax(0, 1fr);
    gap: 3rem;
    padding: 3.5rem 2rem 5rem;
  }
  .faq-side{
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    order: 0;
  }
  .faq-side__inner{
    padding: 1.5rem;
  }
  .faq-side__nav{
    display: grid;
    gap: 0.25rem;
    flex-wrap: nowrap;
  }
  .page-faq .toc-side__link{
    display: block;
    padding: 0.5rem 0;
    border: 0;
    border-bottom: 1px solid var(--border-line);
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    border-radius: 0;
  }
  .page-faq .toc-side__link:hover,
  .page-faq .toc-side__link[data-active]{
    border-color: var(--accent-green);
  }
  .faq-content{
    gap: 4.5rem;
  }
  .faq-section__head{
    grid-template-columns: 4rem 1fr;
    gap: 1.25rem;
  }
  .faq-section__index{
    font-size: 2rem;
    padding: 0.875rem 0.375rem 0.75rem;
  }
  .faq-section__title h2{
    font-size: 1.625rem;
  }
  .faq-item__no{
    font-size: 0.8125rem;
  }
  .faq-item__q{
    font-size: 1rem;
  }
  .faq-item__answer-inner{
    margin-left: 4.25rem;
  }
  .faq-more{
    padding: 0.5rem 2rem 4rem;
  }
}
@media (min-width: 1280px){
  .faq-hero{
    padding-left: 3rem;
    padding-right: 3rem;
  }
  .faq-layout{
    grid-template-columns: 17rem minmax(0, 1fr);
    gap: 4rem;
  }
  .faq-more{
    gap: 2rem;
  }
  .faq-more__card{
    padding: 2rem;
  }
}