.page-faq{
  --faq-sidebar-w: 260px;
  --faq-grid-line: rgba(0, 194, 255, 0.07);
  background: var(--boo-ice);
  color: var(--boo-ink);
  counter-reset: faq-cat;
}
.page-faq .boo-container{
  width: min(var(--boo-content-w), calc(100% - 32px));
  margin-inline: auto;
}

.page-faq__crumb-list{
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  font-size: 13px;
}
.page-faq__crumb-list a{
  color: var(--boo-gray);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.page-faq__crumb-list a:hover{
  border-bottom-color: var(--boo-blue);
  color: var(--boo-blue);
}
.page-faq__crumb-list [aria-current="page"]{
  color: var(--boo-ink);
  font-weight: 700;
}

.page-faq__hero{
  background:
    linear-gradient(var(--faq-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--faq-grid-line) 1px, transparent 1px),
    var(--boo-ice);
  background-size: 32px 32px;
  padding: 28px 0 40px;
  border-bottom: 2px solid var(--boo-blue);
}
.page-faq__hero-inner{
  display: grid;
  gap: 24px;
}
.page-faq__hero-tag{
  margin-bottom: 14px;
}
.page-faq__hero h1{
  font-family: var(--boo-font-head);
  font-weight: 900;
  font-size: clamp(30px, 6vw, 46px);
  line-height: 1.05;
  color: var(--boo-night);
  transform: skewX(-6deg);
  transform-origin: left bottom;
  margin: 0 0 12px;
}
.page-faq__hero-lead{
  font-size: 16px;
  line-height: 1.8;
  color: var(--boo-gray);
  max-width: 56ch;
  margin: 0 0 18px;
}
.page-faq__hero-meta{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-faq__hero-meta span{
  font-family: var(--boo-font-num);
  font-size: 12px;
  line-height: 1.4;
  color: var(--boo-night);
  background: #fff;
  border: 1px solid var(--boo-line);
  padding: 6px 10px;
}
.page-faq__hero-media{
  max-width: 200px;
}
.page-faq__hero-media img{
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--boo-night);
}

.page-faq__hot{
  padding-top: 40px;
}
.page-faq__section-head{
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}
.page-faq__section-head h2{
  font-family: var(--boo-font-head);
  font-weight: 900;
  font-size: 24px;
  color: var(--boo-night);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}
.page-faq__hot .page-faq__section-head h2::before{
  content: "01";
  font-family: var(--boo-font-num);
  font-size: 13px;
  color: var(--boo-blue);
  border: 1px solid var(--boo-blue);
  padding: 2px 6px;
}
.page-faq__section-head p{
  margin: 0;
  color: var(--boo-gray);
  font-size: 14px;
  line-height: 1.6;
}

.page-faq__hot-grid{
  display: grid;
  gap: 16px;
}
.page-faq__hot-card{
  background: #fff;
  border: 1px solid var(--boo-line);
  border-top: 4px solid var(--boo-blue);
  padding: 20px;
  margin: 0;
}
.page-faq__hot-num{
  font-family: var(--boo-font-num);
  font-size: 14px;
  color: var(--boo-blue);
}
.page-faq__hot-card h3{
  font-family: var(--boo-font-head);
  font-size: 18px;
  font-weight: 900;
  line-height: 1.35;
  color: var(--boo-night);
  margin: 8px 0 10px;
}
.page-faq__hot-card p{
  font-size: 14px;
  line-height: 1.6;
  color: var(--boo-gray);
  margin: 0 0 14px;
}
.page-faq__hot-link{
  font-family: var(--boo-font-num);
  font-size: 13px;
  font-weight: 700;
  color: var(--boo-orange);
  text-decoration: none;
  border-bottom: 2px solid var(--boo-orange);
  padding-bottom: 2px;
}

.page-faq__layout{
  padding-top: 48px;
  display: grid;
  gap: 28px;
  align-items: start;
}
.page-faq__sidebar{
  background: var(--boo-night);
  color: var(--boo-ice);
  padding: 24px;
}
.page-faq__sidebar h2{
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--boo-font-head);
  font-weight: 900;
  font-size: 20px;
  margin: 0 0 16px;
  color: var(--boo-ice);
}
.page-faq__sidebar h2::before{
  content: "02";
  font-family: var(--boo-font-num);
  font-size: 13px;
  color: var(--boo-blue);
  border: 1px solid var(--boo-blue);
  padding: 2px 6px;
}
.page-faq__cat-nav{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-faq__cat-link{
  display: inline-block;
  background: transparent;
  border: 2px solid var(--boo-blue);
  color: var(--boo-ice);
  padding: 10px 14px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  transition: background 0.25s ease, color 0.25s ease;
}
.page-faq__cat-link:active{
  background: var(--boo-blue);
  color: var(--boo-night);
}
@media (hover: hover){
  .page-faq__cat-link:hover{
    background: var(--boo-blue);
    color: var(--boo-night);
  }
}
.page-faq__layout:has(#faq-cat-account:target) .page-faq__cat-link[href="#faq-cat-account"],
.page-faq__layout:has(#faq-cat-billing:target) .page-faq__cat-link[href="#faq-cat-billing"],
.page-faq__layout:has(#faq-cat-mobile:target) .page-faq__cat-link[href="#faq-cat-mobile"],
.page-faq__layout:has(#faq-cat-data:target) .page-faq__cat-link[href="#faq-cat-data"]{
  background: var(--boo-blue);
  color: var(--boo-night);
}
.page-faq__sidebar-note{
  margin: 24px 0 0;
  color: rgba(240, 247, 255, 0.72);
  font-size: 13px;
  line-height: 1.7;
}
.page-faq__contact-btn{
  display: inline-block;
  margin-top: 12px;
}

.page-faq__content{
  display: grid;
  gap: 36px;
}
.page-faq__category{
  counter-increment: faq-cat;
  scroll-margin-top: 120px;
  background: #fff;
  padding: 20px 16px 8px;
  border-top: 4px solid var(--boo-blue);
}
.page-faq__category:target{
  animation: page-faq-highlight 1.2s ease;
}
@keyframes page-faq-highlight{
  0% { background: #EAF6FF; }
  100% { background: #fff; }
}
.page-faq__cat-title{
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--boo-font-head);
  font-weight: 900;
  font-size: 20px;
  color: var(--boo-night);
  margin: 0 0 4px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--boo-line);
}
.page-faq__cat-title::before{
  content: counter(faq-cat, decimal-leading-zero);
  font-family: var(--boo-font-num);
  font-size: 13px;
  color: var(--boo-blue);
  border: 1px solid var(--boo-blue);
  padding: 2px 6px;
}

.page-faq__qa{
  border: 0;
  border-bottom: 1px solid var(--boo-line);
  scroll-margin-top: 120px;
}
.page-faq__qa summary{
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid transparent;
}
.page-faq__qa summary::-webkit-details-marker{
  display: none;
}
.page-faq__q-num{
  font-family: var(--boo-font-num);
  font-size: 12px;
  color: var(--boo-blue);
  flex: 0 0 auto;
}
.page-faq__q-title{
  flex: 1;
  font-weight: 800;
  font-size: 15px;
  line-height: 1.5;
  color: var(--boo-ink);
}
.page-faq__qa summary::after{
  content: "+";
  font-family: var(--boo-font-num);
  font-size: 20px;
  color: var(--boo-blue);
  flex: 0 0 24px;
  text-align: right;
}
.page-faq__qa[open] summary::after{
  content: "−";
  color: var(--boo-orange);
}
.page-faq__qa[open]{
  border-left: 3px solid var(--boo-blue);
  padding-left: 10px;
  transition: border-left 0.2s ease, padding-left 0.2s ease;
}
.page-faq__qa[open] summary{
  border-bottom-color: var(--boo-line);
}
.page-faq__answer{
  padding: 4px 0 18px;
  color: var(--boo-gray);
  font-size: 14px;
  line-height: 1.85;
}
.page-faq__answer p{
  margin: 0 0 10px;
}
.page-faq__answer a{
  color: var(--boo-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 194, 255, 0.4);
}
.page-faq__qa[open] .page-faq__answer{
  animation: page-faq-fade 0.25s ease-out;
}
@keyframes page-faq-fade{
  from{
    opacity: 0;
    transform: translateY(-4px);
  }
  to{
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq__answer-figure{
  margin: 14px 0 4px;
  background: var(--boo-ice);
  border: 1px solid var(--boo-line);
  padding: 8px;
}
.page-faq__answer-figure img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq__answer-figure figcaption{
  font-family: var(--boo-font-num);
  font-size: 12px;
  color: var(--boo-gray);
  padding-top: 8px;
}

.page-faq__assist{
  padding-block: 48px 64px;
}
.page-faq__assist-inner{
  background: var(--boo-night);
  color: var(--boo-ice);
  padding: 28px 24px;
  border-left: 6px solid var(--boo-orange);
}
.page-faq__assist-inner h2{
  font-family: var(--boo-font-head);
  font-weight: 900;
  font-size: 26px;
  margin: 0 0 8px;
}
.page-faq__assist-inner p{
  color: rgba(240, 247, 255, 0.75);
  font-size: 14px;
  line-height: 1.7;
  margin: 0 0 20px;
}
.page-faq__assist-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-faq__assist-btn{
  min-height: 44px;
}

@media (min-width: 768px){
  .page-faq__hero-inner{
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: center;
    gap: 40px;
  }
  .page-faq__hero-media{
    max-width: 300px;
    justify-self: end;
  }
  .page-faq__hot-grid{
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
  .page-faq__layout{
    grid-template-columns: var(--faq-sidebar-w) minmax(0, 1fr);
    gap: 40px;
  }
  .page-faq__sidebar{
    position: sticky;
    top: calc(var(--boo-header-h) + var(--boo-topbar-h) + 16px);
  }
  .page-faq__cat-nav{
    display: block;
  }
  .page-faq__cat-link{
    display: block;
    margin-bottom: 8px;
  }
  .page-faq__category{
    padding: 24px 24px 8px;
  }
  .page-faq__category:target{
    animation: page-faq-highlight 1.2s ease;
  }
}