.page-faq{
  --faq-line:#D8DFE8;
  --faq-ink:#24303E;
  background:var(--c-light);
}

/* ===== 首屏英雄区 ===== */
.page-faq .faq-hero{
  position:relative;
  overflow:hidden;
  color:var(--c-white);
  background:
    repeating-linear-gradient(115deg, rgba(255,255,255,.03) 0 1px, transparent 1px 6px),
    var(--c-primary);
  padding:clamp(44px,7vw,92px) 0 clamp(56px,8vw,100px);
}
.page-faq .faq-hero::before{
  content:"";
  position:absolute;
  right:-16%;
  top:-24%;
  width:58%;
  height:130%;
  transform:rotate(18deg);
  background:linear-gradient(135deg, rgba(255,107,53,.30), rgba(255,215,0,.10));
  clip-path:polygon(0 0, 100% 0, 76% 100%, 0 100%);
  pointer-events:none;
}
.page-faq .faq-hero::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:4px;
  background:linear-gradient(90deg, var(--c-accent), var(--c-gold));
  opacity:.9;
}
.page-faq .faq-hero__inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1fr;
  gap:40px;
  align-items:center;
}
.page-faq .faq-hero__copy{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
}
.page-faq .faq-hero .section-kicker{
  color:var(--c-accent);
  margin-bottom:0;
}
.page-faq .faq-hero h1{
  margin:14px 0 0;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(30px,5vw,52px);
  line-height:1.14;
  letter-spacing:.01em;
  color:var(--c-white);
  text-wrap:balance;
}
.page-faq .faq-h1__sep{
  color:var(--c-accent);
  margin:0 .12em;
  font-weight:900;
}
.page-faq .faq-hero__lead{
  margin:20px 0 0;
  max-width:64ch;
  font-size:15px;
  line-height:1.85;
  color:rgba(255,255,255,.80);
}
.page-faq .faq-search{
  display:flex;
  align-items:center;
  gap:12px;
  width:100%;
  max-width:540px;
  margin-top:28px;
  padding:14px 16px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.20);
  border-radius:var(--radius-lg);
  transition:border-color .3s var(--ease-out), background .3s var(--ease-out);
}
.page-faq .faq-search:hover,
.page-faq .faq-search:focus-within{
  border-color:var(--c-accent);
  background:rgba(255,255,255,.16);
}
.page-faq .faq-search__icon{
  color:var(--c-accent);
  flex-shrink:0;
}
.page-faq .faq-search__text{
  flex:1;
  font-size:14px;
  color:rgba(255,255,255,.72);
}
.page-faq .faq-search__hint{
  font-size:11px;
  font-weight:700;
  letter-spacing:.18em;
  border:1px solid rgba(255,255,255,.30);
  border-radius:99px;
  padding:4px 10px;
  color:var(--c-gold);
  flex-shrink:0;
}
.page-faq .faq-hero__facts{
  display:flex;
  flex-wrap:wrap;
  gap:24px 44px;
  margin:30px 0 0;
  padding:0;
  list-style:none;
}
.page-faq .faq-hero__facts li{
  display:flex;
  flex-direction:column;
}
.page-faq .faq-hero__facts strong{
  font-family:var(--font-display);
  font-size:30px;
  line-height:1;
  color:var(--c-gold);
  letter-spacing:.02em;
}
.page-faq .faq-hero__facts span{
  margin-top:7px;
  font-size:13px;
  color:rgba(255,255,255,.72);
}
.page-faq .faq-hero__side{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  min-height:190px;
  padding:24px 24px 22px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);
}
.page-faq .faq-hero__stamp{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
}
.page-faq .faq-hero__num{
  font-family:var(--font-display);
  font-size:clamp(66px,13vw,118px);
  line-height:.84;
  color:var(--c-gold);
  letter-spacing:.02em;
}
.page-faq .faq-hero__unit{
  margin-top:10px;
  font-size:12px;
  font-weight:800;
  letter-spacing:.42em;
  color:var(--c-accent);
}
.page-faq .faq-hero__side .vertical-note{
  margin:0;
  color:rgba(255,255,255,.72);
}

/* ===== 内容布局 ===== */
.page-faq .faq-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:34px;
  padding:clamp(48px,8vw,92px) 0 clamp(44px,7vw,76px);
}

/* ===== 左侧锚点导航 ===== */
.page-faq .faq-snav{
  order:-1;
  background:var(--c-white);
  border:1px solid var(--faq-line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.page-faq .faq-snav__title{
  display:block;
  padding:14px 18px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--c-muted);
  border-bottom:1px solid var(--faq-line);
}
.page-faq .faq-snav__inner{
  display:flex;
  overflow-x:auto;
  scrollbar-width:thin;
}
.page-faq .faq-snav__link{
  display:flex;
  align-items:center;
  gap:10px;
  padding:14px 16px;
  white-space:nowrap;
  font-size:14px;
  font-weight:500;
  color:var(--faq-ink);
  border-right:1px solid var(--faq-line);
  border-bottom:1px solid var(--faq-line);
  transition:background .25s var(--ease-out), color .25s var(--ease-out);
}
.page-faq .faq-snav__link:last-child{
  border-right:0;
}
.page-faq .faq-snav__idx{
  font-family:var(--font-display);
  font-size:16px;
  color:var(--c-accent);
  transition:color .25s var(--ease-out);
}
.page-faq .faq-snav__link:hover,
.page-faq .faq-snav__link:focus-visible{
  background:var(--c-primary);
  color:var(--c-white);
}
.page-faq .faq-snav__link:hover .faq-snav__idx,
.page-faq .faq-snav__link:focus-visible .faq-snav__idx{
  color:var(--c-gold);
}

/* ===== 右侧问答区 ===== */
.page-faq .faq-body{
  display:flex;
  flex-direction:column;
  gap:clamp(44px,6vw,68px);
}
.page-faq .faq-section__head{
  display:flex;
  align-items:flex-start;
  gap:16px;
  margin-bottom:22px;
  position:relative;
}
.page-faq .faq-section__head .chapter-mark{
  font-family:var(--font-display);
  font-size:clamp(40px,6vw,56px);
  line-height:.8;
  color:var(--c-gold);
  flex-shrink:0;
  min-width:.9em;
}
.page-faq .faq-section__title h2{
  margin:2px 0 0;
  font-family:var(--font-display);
  font-size:clamp(22px,3vw,30px);
  line-height:1.2;
  color:var(--c-primary);
}
.page-faq .faq-section__title p{
  margin:7px 0 0;
  font-size:14px;
  line-height:1.7;
  color:var(--c-muted);
}
.page-faq .faq-section__tag{
  margin-left:auto;
  align-self:center;
}

/* ===== 手风琴条目 ===== */
.page-faq .faq-item{
  display:block;
  margin-bottom:12px;
  background:var(--c-white);
  border:1px solid var(--faq-line);
  border-radius:var(--radius);
  box-shadow:0 1px 4px rgba(10,31,68,.04);
  transition:border-color .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
.page-faq .faq-item:hover{
  border-color:#BCC7D6;
  box-shadow:var(--shadow-sm);
}
.page-faq .faq-item__sum{
  display:flex;
  align-items:center;
  gap:12px;
  padding:16px 18px;
  cursor:pointer;
  list-style:none;
  font-size:15px;
  font-weight:600;
  line-height:1.5;
  color:var(--c-primary);
  transition:color .3s var(--ease-out);
}
.page-faq .faq-item__sum::-webkit-details-marker{
  display:none;
}
.page-faq .faq-item__sum::marker{
  content:"";
}
.page-faq .faq-item__idx{
  display:inline-flex;
  justify-content:center;
  align-items:center;
  width:30px;
  height:30px;
  border-radius:6px;
  background:var(--c-light);
  color:var(--c-accent);
  font-size:12px;
  font-weight:800;
  flex-shrink:0;
  transition:background .3s var(--ease-out), color .3s var(--ease-out);
}
.page-faq .faq-item__text{
  flex:1;
}
.page-faq .faq-item__icon{
  position:relative;
  width:24px;
  height:24px;
  flex-shrink:0;
  border-radius:50%;
  background:var(--c-primary);
  transition:background .35s var(--ease-out), transform .35s var(--ease-out);
}
.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after{
  content:"";
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  background:var(--c-white);
}
.page-faq .faq-item__icon::before{
  width:10px;
  height:2px;
  border-radius:2px;
}
.page-faq .faq-item__icon::after{
  width:2px;
  height:10px;
  border-radius:2px;
  transition:opacity .2s var(--ease-out), transform .35s var(--ease-out);
}
.page-faq .faq-item[open]{
  border-color:var(--c-accent);
  box-shadow:var(--shadow-sm);
}
.page-faq .faq-item[open] .faq-item__icon{
  background:var(--c-accent);
  transform:rotate(180deg);
}
.page-faq .faq-item[open] .faq-item__icon::after{
  opacity:0;
}
.page-faq .faq-item[open] .faq-item__sum{
  color:var(--c-accent);
}
.page-faq .faq-item[open] .faq-item__idx{
  background:var(--c-accent);
  color:var(--c-white);
}
.page-faq .faq-item__body{
  padding:0 18px 18px 58px;
  border-top:1px dashed var(--faq-line);
}
.page-faq .faq-item__body p{
  margin:14px 0 0;
  max-width:72ch;
  font-size:14px;
  line-height:1.9;
  color:var(--faq-ink);
}

/* ===== 图片区 ===== */
.page-faq .faq-media{
  margin:20px 0 16px;
  padding:10px;
  background:var(--c-white);
  border:1px solid var(--faq-line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
}
.page-faq .faq-media img{
  display:block;
  width:100%;
  height:auto;
  object-fit:cover;
  border-radius:calc(var(--radius-lg) - 4px);
}
.page-faq .faq-media__cap{
  padding:12px 4px 4px;
  font-size:13px;
  line-height:1.7;
  color:var(--c-muted);
}

/* ===== 底部帮助 ===== */
.page-faq .faq-help{
  position:relative;
  overflow:hidden;
  background:var(--c-primary);
  color:var(--c-white);
  padding:clamp(42px,6vw,66px) 0;
}
.page-faq .faq-help::after{
  content:"";
  position:absolute;
  right:-60px;
  bottom:-60px;
  width:240px;
  height:240px;
  background:var(--c-accent);
  transform:rotate(14deg);
  opacity:.14;
  pointer-events:none;
}
.page-faq .faq-help__inner{
  position:relative;
  z-index:1;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:24px 40px;
}
.page-faq .faq-help .section-kicker{
  color:var(--c-accent);
}
.page-faq .faq-help h2{
  margin:10px 0 0;
  font-family:var(--font-display);
  font-size:clamp(22px,3vw,32px);
  line-height:1.2;
  color:var(--c-white);
}
.page-faq .faq-help p{
  margin:12px 0 0;
  max-width:56ch;
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.75);
}

/* ===== 平板增强 ===== */
@media (min-width:720px){
  .page-faq .faq-hero__inner{
    grid-template-columns:minmax(0,1fr) 240px;
    gap:40px;
  }
  .page-faq .faq-media--steps{
    max-width:540px;
  }
  .page-faq .faq-media--screenshot{
    max-width:360px;
    margin-left:auto;
  }
  .page-faq .faq-help__inner{
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
  }
}

/* ===== 桌面增强 ===== */
@media (min-width:1024px){
  .page-faq .faq-hero__inner{
    grid-template-columns:minmax(0,1fr) 300px;
    gap:64px;
  }
  .page-faq .faq-layout{
    grid-template-columns:260px minmax(0,1fr);
    gap:56px;
  }
  .page-faq .faq-snav{
    order:0;
    position:sticky;
    top:calc(var(--header-h) + 24px);
  }
  .page-faq .faq-snav__inner{
    flex-direction:column;
    overflow:visible;
  }
  .page-faq .faq-snav__link{
    border-right:0;
    width:100%;
    white-space:normal;
    padding:15px 18px;
  }
  .page-faq .faq-snav__link:last-child{
    border-bottom:0;
  }
  .page-faq .faq-item__sum{
    padding:20px 24px;
  }
  .page-faq .faq-item__body{
    padding-left:74px;
    padding-right:28px;
  }
}