.page-faq{
  --faq-indigo-bright:#6E5AAE;
  --faq-wine-bright:#A04A6E;
  background:var(--space);
  color:var(--offwhite);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  padding-top:16px;
  font-size:.8125rem;
  letter-spacing:.03em;
  color:var(--gray);
}
.page-faq .breadcrumb a{
  color:var(--teal);
  text-decoration:none;
}
.page-faq .breadcrumb a:hover{
  color:var(--orange);
  text-decoration:underline;
}

/* ---------- Hero ---------- */
.page-faq .faq-hero{
  position:relative;
  display:grid;
  gap:36px;
  padding:48px 0 64px;
}
.page-faq .faq-hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  background:
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 85%);
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 85%);
  pointer-events:none;
}
.page-faq .faq-hero::after{
  content:"";
  position:absolute;
  top:0;
  right:-10%;
  width:45%;
  height:2px;
  background:linear-gradient(90deg,transparent,var(--orange),transparent);
  opacity:.5;
  pointer-events:none;
}
.page-faq .faq-hero__content{
  position:relative;
  z-index:1;
  max-width:680px;
}
.page-faq .faq-hero h1{
  font-family:var(--font-display);
  font-size:clamp(2rem,6vw,3.6rem);
  font-weight:700;
  line-height:1.1;
  letter-spacing:-.01em;
  margin:16px 0 20px;
}
.page-faq .faq-hero .lead{
  font-size:1.0625rem;
  line-height:1.8;
  color:var(--gray);
  max-width:62ch;
  margin:0;
}
.page-faq .faq-hero__media{
  position:relative;
  z-index:1;
  margin:0;
  max-width:600px;
}
.page-faq .faq-hero__media img{
  display:block;
  width:100%;
  height:auto;
  border:1px solid var(--line);
  border-radius:10px;
  box-shadow:0 20px 60px rgba(0,0,0,.35);
}
.page-faq .faq-hero__media figcaption{
  margin-top:10px;
  font-size:.8125rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--gray);
}

/* ---------- 版面 ---------- */
.page-faq .faq-layout{
  display:grid;
  gap:40px;
  padding-bottom:96px;
}
.page-faq .faq-sidebar{
  min-width:0;
}
.page-faq .faq-content{
  min-width:0;
}

/* ---------- 侧边索引 ---------- */
.page-faq .faq-sidebar__title{
  font-family:var(--font-display);
  font-size:.8125rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--gray);
  margin:0 0 16px;
}
.page-faq .faq-sidebar__list{
  list-style:none;
  margin:0 0 24px;
  padding:0;
  display:flex;
  gap:8px;
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
}
.page-faq .faq-sidebar__list li{
  flex:0 0 auto;
}
.page-faq .faq-sidebar__list a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 18px;
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--offwhite);
  font-family:var(--font-body);
  font-size:.875rem;
  text-decoration:none;
  white-space:nowrap;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.page-faq .faq-sidebar__list a:hover,
.page-faq .faq-sidebar__list a:focus-visible{
  border-color:var(--teal);
  color:var(--teal);
  background:rgba(0,194,168,.06);
  outline:none;
}
.page-faq .faq-sidebar__num{
  font-family:var(--font-display);
  font-size:.75rem;
  color:var(--orange);
}
.page-faq .faq-sidebar__cta{
  display:inline-flex;
  margin-bottom:16px;
}
.page-faq .faq-sidebar__note{
  font-size:.8125rem;
  line-height:1.7;
  color:var(--gray);
}
.page-faq .faq-sidebar__note strong{
  color:var(--offwhite);
  font-weight:600;
}

/* ---------- 章节 ---------- */
.page-faq .faq-section{
  padding:44px 0;
  border-top:1px solid var(--line);
  scroll-margin-top:calc(var(--header-h) + 20px);
}
.page-faq .faq-section--export{
  background:linear-gradient(180deg,rgba(14,77,87,.16),transparent 42%);
}
.page-faq .faq-section--version{
  background:linear-gradient(180deg,rgba(59,46,110,.2),transparent 42%);
}
.page-faq .faq-section--contact{
  background:linear-gradient(180deg,rgba(106,32,64,.22),transparent 42%);
}
.page-faq .faq-section__header{
  position:relative;
  padding-left:20px;
  margin-bottom:28px;
}
.page-faq .faq-section__header::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--teal);
}
.page-faq .faq-section--export .faq-section__header::before{
  background:var(--orange);
}
.page-faq .faq-section--version .faq-section__header::before{
  background:var(--faq-indigo-bright);
}
.page-faq .faq-section--contact .faq-section__header::before{
  background:var(--faq-wine-bright);
}
.page-faq .faq-section__label{
  display:inline-block;
  padding:3px 10px;
  border:1px solid rgba(0,194,168,.45);
  border-radius:999px;
  font-family:var(--font-display);
  font-size:.75rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--teal);
}
.page-faq .faq-section--export .faq-section__label{
  border-color:rgba(255,122,0,.55);
  color:var(--orange);
}
.page-faq .faq-section--version .faq-section__label{
  border-color:rgba(110,90,174,.7);
  color:#B6A1F2;
}
.page-faq .faq-section--contact .faq-section__label{
  border-color:rgba(160,74,110,.7);
  color:#EEAAC6;
}
.page-faq .faq-section__header h2{
  font-family:var(--font-display);
  font-size:clamp(1.5rem,3.5vw,2.25rem);
  font-weight:700;
  line-height:1.15;
  margin:10px 0 8px;
}
.page-faq .faq-section__header p{
  margin:0;
  color:var(--gray);
  font-size:.9375rem;
  line-height:1.7;
  max-width:52ch;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list{
  counter-reset:faq-counter;
  display:grid;
  gap:12px;
}
.page-faq .faq-item{
  counter-increment:faq-counter;
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  border-radius:8px;
  transition:background-color .25s ease,border-color .25s ease;
}
.page-faq .faq-item[open]{
  background:rgba(255,255,255,.065);
  border-color:rgba(0,194,168,.4);
}
.page-faq .faq-item summary{
  position:relative;
  cursor:pointer;
  padding:20px 56px 20px 22px;
  font-family:var(--font-display);
  font-size:1rem;
  font-weight:600;
  line-height:1.5;
  color:var(--offwhite);
  list-style:none;
  border-radius:8px;
  transition:color .2s ease;
}
.page-faq .faq-item summary::-webkit-details-marker{
  display:none;
}
.page-faq .faq-item summary:hover{
  color:var(--teal);
}
.page-faq .faq-item summary:focus-visible{
  outline:2px solid var(--teal);
  outline-offset:-2px;
}
.page-faq .faq-item summary::before{
  content:"Q" counter(faq-counter,decimal-leading-zero);
  font-family:var(--font-display);
  font-size:.75rem;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--teal);
  margin-right:10px;
  white-space:nowrap;
}
.page-faq .faq-item summary::after{
  content:"+";
  position:absolute;
  right:20px;
  top:50%;
  transform:translateY(-50%);
  font-family:var(--font-display);
  font-size:1.625rem;
  font-weight:300;
  line-height:1;
  color:var(--orange);
  pointer-events:none;
  transition:transform .25s ease,color .25s ease;
}
.page-faq .faq-item[open] summary::after{
  color:var(--teal);
  transform:translateY(-50%) rotate(45deg);
}
.page-faq .faq-item__body{
  padding:0 22px 22px;
  color:var(--gray);
  font-size:.9375rem;
  line-height:1.75;
  max-width:72ch;
}
.page-faq .faq-item__body p{
  margin:0 0 10px;
}
.page-faq .faq-item__body p:last-child{
  margin-bottom:0;
}
.page-faq .faq-item__body a{
  color:var(--teal);
  text-decoration:underline;
  text-underline-offset:3px;
}
.page-faq .faq-item__body a:hover{
  color:var(--orange);
}

/* ---------- 导出示意图 ---------- */
.page-faq .faq-export-figure{
  margin:28px 0 0;
  padding:14px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:10px;
}
.page-faq .faq-export-figure img{
  display:block;
  width:100%;
  height:auto;
  border-radius:6px;
}
.page-faq .faq-export-figure figcaption{
  margin-top:12px;
  text-align:center;
  font-size:.8125rem;
  letter-spacing:.04em;
  color:var(--gray);
}

/* ---------- 联系提示条 ---------- */
.page-faq .faq-contact-strip{
  margin-top:32px;
  padding:24px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  background:rgba(106,32,64,.18);
  border:1px solid var(--line);
  border-radius:10px;
}
.page-faq .faq-contact-strip p{
  margin:0;
  max-width:52ch;
  color:var(--offwhite);
  font-size:.9375rem;
  line-height:1.7;
}
.page-faq .faq-contact-strip a{
  flex:0 0 auto;
}

/* ---------- 平板 ---------- */
@media (min-width:720px){
  .page-faq .faq-sidebar__list{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:8px;
    overflow:visible;
  }
  .page-faq .faq-sidebar__list a{
    justify-content:center;
    white-space:normal;
    text-align:center;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width:960px){
  .page-faq .faq-hero{
    grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
    gap:64px;
    align-items:center;
    padding:72px 0 80px;
  }
  .page-faq .faq-layout{
    grid-template-columns:220px minmax(0,1fr);
    gap:64px;
    align-items:start;
    padding-bottom:120px;
  }
  .page-faq .faq-sidebar__inner{
    position:sticky;
    top:calc(var(--header-h) + 24px);
  }
  .page-faq .faq-sidebar__list{
    display:flex;
    flex-direction:column;
    gap:2px;
    overflow:visible;
  }
  .page-faq .faq-sidebar__list a{
    justify-content:flex-start;
    white-space:nowrap;
    text-align:left;
    border:none;
    border-bottom:1px solid var(--line);
    border-radius:0;
    padding:12px 4px;
  }
  .page-faq .faq-sidebar__list a:hover,
  .page-faq .faq-sidebar__list a:focus-visible{
    border-bottom-color:var(--orange);
    background:transparent;
  }
  .page-faq .faq-section{
    padding:56px 0;
  }
  .page-faq .faq-item summary{
    font-size:1.0625rem;
    padding-top:22px;
    padding-bottom:22px;
  }
  .page-faq .faq-item__body{
    font-size:.96875rem;
  }
}