:root{
  --faq-page-bg: #1d1d1d;
  --faq-surface: #232323;
  --faq-surface-2: #191919;
  --faq-surface-3: rgba(255,255,255,0.04);
  --faq-text: #f3f4f6;
  --faq-muted: rgba(255,255,255,0.72);
  --faq-line: rgba(255,255,255,0.10);
  --faq-line-strong: rgba(255,255,255,0.16);
  --faq-shadow: 0 26px 60px rgba(0,0,0,0.42);
  --faq-link-underline: rgba(255,255,255,0.24);
  --faq-accent: #60a5fa;
  --faq-accent-2: #22c55e;
  --faq-accent-soft: rgba(96,165,250,0.14);
}

html[data-theme="light"]{
  --faq-page-bg: #ffffff;
  --faq-surface: #ffffff;
  --faq-surface-2: #fafafa;
  --faq-surface-3: rgba(0,0,0,0.03);
  --faq-text: #111111;
  --faq-muted: rgba(0,0,0,0.68);
  --faq-line: rgba(0,0,0,0.10);
  --faq-line-strong: rgba(0,0,0,0.16);
  --faq-shadow: 0 20px 48px rgba(0,0,0,0.08);
  --faq-link-underline: rgba(0,0,0,0.22);
  --faq-accent: #2563eb;
  --faq-accent-2: #16a34a;
  --faq-accent-soft: rgba(37,99,235,0.08);
}

html,
body{
  min-height: 100%;
}

body{
  background: var(--faq-page-bg) !important;
  color: var(--faq-text);
}

.faq-page{
  padding: 38px 16px 72px;
}

.faq-shell{
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
}

.faq-card{
  background: var(--faq-surface);
  border: 1px solid var(--faq-line);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--faq-shadow);
}

.faq-hero{
  padding: 34px 30px 28px;
  border-bottom: 1px solid var(--faq-line);
  background:
    radial-gradient(50rem 24rem at 0% 0%, rgba(96,165,250,0.14), transparent 72%),
    linear-gradient(180deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0) 100%);
}

html[data-theme="light"] .faq-hero{
  background:
    radial-gradient(50rem 24rem at 0% 0%, rgba(37,99,235,0.07), transparent 72%),
    linear-gradient(180deg, rgba(0,0,0,0.02) 0%, rgba(0,0,0,0) 100%);
}

.faq-kicker{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--faq-muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.faq-kicker::before{
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: currentColor;
  opacity: 0.9;
}

.faq-hero h1{
  margin: 0;
  color: var(--faq-text);
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.06;
}

.faq-meta{
  margin: 12px 0 0;
  color: var(--faq-muted);
  font-size: 14px;
}

.faq-lead{
  max-width: 860px;
  margin: 18px 0 0;
  color: var(--faq-text);
  font-size: 16px;
  line-height: 1.8;
}

.faq-tags{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.faq-tags a{
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  background: var(--faq-surface-3);
  color: var(--faq-text);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.2;
  transition: border-color .18s ease, background-color .18s ease, transform .18s ease;
}

.faq-tags a:hover{
  border-color: var(--faq-line-strong);
  background: var(--faq-accent-soft);
  transform: translateY(-1px);
}

.faq-layout{
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
}

.faq-toc{
  padding: 26px 22px 28px;
  border-right: 1px solid var(--faq-line);
  background: var(--faq-surface-2);
}

.faq-toc__title{
  margin: 0 0 14px;
  color: var(--faq-text);
  font-size: 14px;
  font-weight: 800;
}

.faq-toc__list{
  margin: 0;
  padding-left: 18px;
}

.faq-toc__list li{
  margin: 0 0 10px;
  color: var(--faq-muted);
  line-height: 1.55;
}

.faq-toc__list a{
  color: var(--faq-text);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--faq-link-underline);
}

.faq-toc__list a:hover{
  text-decoration-color: currentColor;
}

.faq-content{
  min-width: 0;
  padding: 28px 30px 34px;
}

.faq-section{
  scroll-margin-top: 110px;
}

.faq-section + .faq-section{
  margin-top: 30px;
  padding-top: 30px;
  border-top: 1px solid var(--faq-line);
}

.faq-section h2{
  margin: 0 0 10px;
  color: var(--faq-text);
  font-size: 24px;
  line-height: 1.2;
}

.faq-section p{
  margin: 0 0 14px;
  color: var(--faq-text);
  font-size: 16px;
  line-height: 1.82;
}

.faq-section-intro{
  max-width: 760px;
  color: var(--faq-muted) !important;
}

.faq-callout{
  margin: 0 0 18px;
  padding: 14px 16px;
  border: 1px solid rgba(96,165,250,0.26);
  border-radius: 16px;
  background: var(--faq-accent-soft);
  color: var(--faq-text);
  line-height: 1.7;
}

.faq-items{
  display: grid;
  gap: 12px;
}

.faq-item{
  border: 1px solid var(--faq-line);
  border-radius: 18px;
  background: var(--faq-surface-3);
  overflow: hidden;
}

.faq-item[open]{
  border-color: var(--faq-line-strong);
  background: rgba(255,255,255,0.03);
}

html[data-theme="light"] .faq-item[open]{
  background: rgba(0,0,0,0.02);
}

.faq-item summary{
  position: relative;
  display: block;
  padding: 18px 54px 18px 18px;
  color: var(--faq-text);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after{
  content: "+";
  position: absolute;
  top: 50%;
  right: 18px;
  width: 26px;
  height: 26px;
  margin-top: -13px;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  color: var(--faq-text);
  font-size: 18px;
  font-weight: 500;
  line-height: 24px;
  text-align: center;
}

.faq-item[open] summary::after{
  content: "-";
}

.faq-answer{
  padding: 0 18px 18px;
  border-top: 1px solid var(--faq-line);
}

.faq-answer p{
  margin: 14px 0 0;
}

.faq-answer ul,
.faq-answer ol{
  margin: 14px 0 0;
  padding-left: 22px;
}

.faq-answer li{
  margin: 0 0 10px;
  color: var(--faq-text);
  line-height: 1.75;
}

.faq-answer strong{
  color: var(--faq-text);
}

.faq-answer a,
.faq-section a{
  color: var(--faq-text);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--faq-link-underline);
  word-break: break-word;
}

.faq-answer a:hover,
.faq-section a:hover{
  text-decoration-color: currentColor;
}

.faq-section code{
  padding: 2px 7px;
  border: 1px solid var(--faq-line);
  border-radius: 8px;
  background: var(--faq-surface-2);
  color: var(--faq-text);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.94em;
}

.faq-section--help{
  background: linear-gradient(180deg, rgba(96,165,250,0.08) 0%, rgba(96,165,250,0.02) 100%);
  padding: 24px;
  border: 1px solid var(--faq-line);
  border-radius: 22px;
}

html[data-theme="light"] .faq-section--help{
  background: linear-gradient(180deg, rgba(37,99,235,0.05) 0%, rgba(37,99,235,0.015) 100%);
}

.faq-help{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
  align-items: center;
}

.faq-help__button{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--faq-accent), #3b82f6);
  color: #ffffff !important;
  text-decoration: none !important;
  font-weight: 700;
  box-shadow: 0 14px 28px rgba(37,99,235,0.22);
}

.faq-help__button:hover{
  transform: translateY(-1px);
}

.faq-help__link{
  color: var(--faq-text);
  font-weight: 600;
}

.site-header{
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header__inner{
  max-width: 1180px;
  margin: 0 auto;
  padding-left: 18px;
  padding-right: 18px;
}

.header__left{
  display: flex;
  align-items: center;
}

.faq-nav{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.faq-nav a{
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 999px;
  transition: background-color .18s ease, color .18s ease;
}

.faq-nav a[aria-current="page"]{
  background: var(--faq-accent-soft);
}

html:not([data-theme="light"]) .faq-nav a:hover{
  background: rgba(255,255,255,0.06);
}

html[data-theme="light"] .faq-nav a:hover{
  background: rgba(0,0,0,0.05);
}

@media (max-width: 980px){
  .faq-layout{
    grid-template-columns: 1fr;
  }

  .faq-toc{
    border-right: 0;
    border-bottom: 1px solid var(--faq-line);
  }
}

@media (max-width: 760px){
  .faq-page{
    padding: 24px 12px 54px;
  }

  .faq-hero{
    padding: 24px 18px 20px;
  }

  .faq-content{
    padding: 22px 18px 24px;
  }

  .faq-toc{
    padding: 20px 18px 18px;
  }

  .faq-hero h1{
    font-size: 31px;
  }

  .faq-item summary{
    padding: 16px 48px 16px 16px;
    font-size: 16px;
  }

  .faq-answer{
    padding: 0 16px 16px;
  }

  .faq-section--help{
    padding: 18px;
  }
}