.page-faq{
  --faq-gold-deep:#8a6d00;
  --faq-green-soft:rgba(27,94,32,.09);
  --faq-gold-soft:rgba(255,215,0,.28);
}
.page-faq .container{
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.page-faq img{
  max-width:100%;
  height:auto;
}

/* ---------- 封面区 ---------- */
.page-faq .faq-cover{
  position:relative;
  overflow:hidden;
  padding:clamp(28px,5vw,64px) 0 0;
}
.page-faq .faq-cover::after{
  content:"FAQ";
  position:absolute;
  top:-14px;
  right:-12px;
  font-family:var(--font-headline);
  font-size:clamp(110px,24vw,260px);
  line-height:1;
  color:rgba(27,94,32,.06);
  pointer-events:none;
}
.page-faq .faq-cover__inner{
  position:relative;
  z-index:1;
}
.page-faq .faq-cover .breadcrumb{
  margin:0 0 26px;
}
.page-faq .faq-cover__grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  align-items:stretch;
}
.page-faq .faq-cover__main{
  max-width:900px;
}
.page-faq .faq-cover__title{
  margin:14px 0 20px;
  font-family:var(--font-headline);
  font-size:clamp(34px,6vw,68px);
  line-height:1.06;
  letter-spacing:.01em;
}
.page-faq .faq-cover__accent{
  background:linear-gradient(transparent 60%,var(--faq-gold-soft) 60%);
  padding:0 4px;
}
.page-faq .faq-cover__lead{
  margin:0;
  max-width:64ch;
  font-size:16px;
  line-height:1.85;
  color:rgba(26,26,26,.8);
}
.page-faq .faq-cover__stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
  max-width:520px;
  margin-top:30px;
}
.page-faq .faq-cover__stat{
  border-left:4px solid var(--color-gold);
  padding:4px 0 4px 14px;
}
.page-faq .faq-cover__stat-num{
  display:block;
  font-family:var(--font-headline);
  font-size:clamp(24px,3.6vw,34px);
  line-height:1;
  color:var(--color-primary);
}
.page-faq .faq-cover__stat-label{
  display:block;
  margin-top:8px;
  font-size:12px;
  line-height:1.5;
  color:rgba(26,26,26,.66);
}
.page-faq .faq-index{
  position:relative;
  overflow:hidden;
  background:var(--color-primary);
  border-radius:6px 30px 6px 30px;
  padding:26px 24px 18px;
  color:#fff;
  box-shadow:var(--shadow-2);
}
.page-faq .faq-index::before{
  content:"";
  position:absolute;
  top:-44px;
  right:-44px;
  width:132px;
  height:132px;
  background:rgba(255,215,0,.22);
  transform:rotate(45deg);
}
.page-faq .faq-index__label{
  position:relative;
  margin:0 0 8px;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.26em;
  text-transform:uppercase;
  color:var(--color-gold);
}
.page-faq .faq-index__link{
  position:relative;
  display:flex;
  align-items:center;
  gap:14px;
  padding:14px 4px;
  border-bottom:1px solid rgba(255,255,255,.14);
  color:#fff;
  text-decoration:none;
  font-size:15px;
  letter-spacing:.02em;
  transition:padding-left .25s var(--ease),background .25s var(--ease);
}
.page-faq .faq-index__link:last-child{
  border-bottom:0;
}
.page-faq .faq-index__link:hover{
  background:rgba(255,255,255,.08);
  padding-left:14px;
}
.page-faq .faq-index__num{
  font-family:var(--font-num);
  font-size:13px;
  color:var(--color-gold);
}

/* ---------- 问题浏览器 ---------- */
.page-faq .faq-browser{
  padding-top:clamp(14px,4vw,34px);
}
.page-faq .faq-filter{
  display:flex;
  gap:10px;
  padding:2px 0 18px;
  overflow-x:auto;
  scrollbar-width:none;
}
.page-faq .faq-filter::-webkit-scrollbar{
  display:none;
}
.page-faq .faq-filter__input{
  position:absolute;
  width:1px;
  height:1px;
  opacity:0;
  pointer-events:none;
}
.page-faq .faq-filter__label{
  flex:0 0 auto;
  cursor:pointer;
  padding:9px 18px;
  border:1px solid var(--color-line);
  border-radius:999px;
  background:var(--color-white);
  font-size:14px;
  color:var(--color-ink);
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.page-faq .faq-filter__input:checked + .faq-filter__label{
  background:var(--color-primary);
  border-color:var(--color-primary);
  color:#fff;
}
.page-faq .faq-filter__input:focus-visible + .faq-filter__label{
  outline:2px solid var(--color-gold);
  outline-offset:2px;
}
.page-faq .faq-filter__input:not(:checked) + .faq-filter__label:hover{
  border-color:var(--color-primary);
  color:var(--color-primary);
}

/* ---------- 章节 ---------- */
.page-faq .faq-chapter{
  display:block;
  padding:clamp(40px,6vw,76px) 0 12px;
  border-top:1px dashed var(--color-line);
}
.page-faq .faq-chapter::before{
  content:"";
  display:block;
  width:72px;
  height:6px;
  margin-bottom:30px;
  background:linear-gradient(90deg,var(--color-primary) 0 58%,var(--color-gold) 0 100%);
  clip-path:polygon(0 0,100% 0,86% 100%,0 100%);
}
.page-faq .faq-chapter__head{
  position:relative;
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  align-items:start;
  gap:0 20px;
  margin-bottom:30px;
}
.page-faq .faq-chapter__num{
  grid-row:span 2;
  position:relative;
  padding-right:14px;
  font-family:var(--font-headline);
  font-size:clamp(54px,8vw,96px);
  line-height:.88;
  color:var(--color-primary);
}
.page-faq .faq-chapter__num::after{
  content:"";
  position:absolute;
  right:-2px;
  top:8px;
  width:3px;
  height:62%;
  background:var(--color-gold);
  transform:skewX(-14deg);
}
.page-faq .faq-chapter__titles{
  min-width:0;
  padding-right:10px;
}
.page-faq .faq-chapter__title{
  margin:2px 0 8px;
  font-family:var(--font-headline);
  font-size:clamp(22px,3.2vw,36px);
  letter-spacing:.02em;
}
.page-faq .faq-chapter__desc{
  margin:0;
  max-width:46ch;
  font-size:14px;
  line-height:1.72;
  color:rgba(26,26,26,.7);
}
.page-faq .faq-chapter__note{
  display:none;
  position:absolute;
  right:2px;
  top:16px;
  writing-mode:vertical-rl;
  font-family:var(--font-num);
  font-size:11px;
  letter-spacing:.34em;
  text-transform:uppercase;
  color:var(--faq-gold-deep);
}
.page-faq .faq-chapter__grid{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  align-items:start;
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list{
  display:grid;
  gap:14px;
  min-width:0;
}
.page-faq .faq-item{
  background:var(--color-white);
  border:1px solid var(--color-line);
  border-left:3px solid transparent;
  border-radius:4px 18px 4px 18px;
  box-shadow:0 1px 2px rgba(26,26,26,.04);
  transition:background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.page-faq .faq-item[open]{
  background:var(--color-paper);
  border-left-color:var(--color-primary);
  box-shadow:var(--shadow-1);
}
.page-faq .faq-item__summary{
  display:flex;
  align-items:center;
  gap:12px;
  padding:18px;
  cursor:pointer;
  list-style:none;
  font-family:var(--font-headline);
  font-size:15px;
  line-height:1.5;
}
.page-faq .faq-item__summary::-webkit-details-marker{
  display:none;
}
.page-faq .faq-item__summary::after{
  content:"+";
  flex:0 0 auto;
  margin-left:auto;
  font-family:var(--font-num);
  font-size:24px;
  font-weight:700;
  line-height:1;
  color:var(--color-primary);
  transition:transform .3s var(--ease);
}
.page-faq .faq-item[open] .faq-item__summary::after{
  transform:rotate(45deg);
}
.page-faq .faq-item__summary:focus-visible{
  outline:2px solid var(--color-gold);
  outline-offset:-2px;
  border-radius:4px 16px 4px 16px;
}
.page-faq .faq-item__icon{
  flex:0 0 auto;
  display:grid;
  place-items:center;
  width:40px;
  height:40px;
  border-radius:4px 12px 4px 12px;
  background:var(--faq-green-soft);
  color:var(--color-primary);
}
.page-faq .faq-item--panel .faq-item__icon{
  background:var(--faq-gold-soft);
  color:var(--faq-gold-deep);
}
.page-faq .faq-item--video .faq-item__icon{
  background:rgba(255,111,0,.12);
  color:var(--color-hot);
}
.page-faq .faq-item--data .faq-item__icon{
  background:rgba(76,175,80,.14);
  color:var(--color-data);
}
.page-faq .faq-item__num{
  flex:0 0 auto;
  font-family:var(--font-num);
  font-size:13px;
  color:var(--faq-gold-deep);
}
.page-faq .faq-item__q{
  flex:1;
  min-width:0;
}
.page-faq .faq-item__answer{
  padding:0 18px 20px;
}
.page-faq .faq-item__answer p{
  position:relative;
  margin:0;
  padding-left:16px;
  max-width:68ch;
  font-size:15px;
  line-height:1.8;
  color:var(--color-ink);
}
.page-faq .faq-item__answer p::before{
  content:"";
  position:absolute;
  left:0;
  top:.3em;
  bottom:.3em;
  width:3px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--color-primary),var(--color-gold));
}
.page-faq .faq-item__link{
  color:var(--color-primary);
  font-weight:700;
  text-decoration-color:var(--color-gold);
  text-underline-offset:3px;
}

/* ---------- 章节侧栏 ---------- */
.page-faq .faq-chapter__aside{
  min-width:0;
}
.page-faq .faq-chapter__media{
  position:relative;
  margin:0;
  isolation:isolate;
}
.page-faq .faq-chapter__media::before{
  content:"";
  position:absolute;
  inset:14px -14px -14px 14px;
  border-radius:4px 22px 4px 22px;
  background:linear-gradient(135deg,rgba(27,94,32,.55),rgba(255,215,0,.4));
  z-index:-1;
}
.page-faq .faq-chapter__img{
  display:block;
  width:100%;
  height:auto;
  object-fit:cover;
  border:1px solid var(--color-line);
  border-radius:4px 22px 4px 22px;
  box-shadow:var(--shadow-1);
}
.page-faq .faq-chapter__cap{
  margin:14px 0 0;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--faq-gold-deep);
  text-align:right;
}
.page-faq .faq-board,
.page-faq .faq-timeline{
  background:var(--color-white);
  border:1px solid var(--color-line);
  border-radius:4px 22px 4px 22px;
  padding:22px;
  box-shadow:0 10px 24px rgba(26,26,26,.06);
}
.page-faq .faq-board__label,
.page-faq .faq-timeline__label,
.page-faq .faq-steps__label{
  display:flex;
  align-items:center;
  gap:8px;
  margin:0 0 16px;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--color-primary);
}
.page-faq .faq-board__label::before,
.page-faq .faq-timeline__label::before{
  content:"";
  width:24px;
  height:3px;
  background:var(--color-gold);
}
.page-faq .faq-board__list{
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
}
.page-faq .faq-board__list li{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  gap:14px;
  padding:11px 4px;
  border-bottom:1px dashed var(--color-line);
  font-size:14px;
}
.page-faq .faq-board__list li:last-child{
  border-bottom:0;
}
.page-faq .faq-board__val{
  font-family:var(--font-num);
  font-size:13px;
  color:var(--color-primary);
}
.page-faq .faq-timeline__track{
  display:grid;
  justify-items:start;
}
.page-faq .faq-timeline__node{
  display:flex;
  align-items:center;
  gap:12px;
  font-family:var(--font-headline);
  font-size:16px;
  letter-spacing:.06em;
}
.page-faq .faq-timeline__node::before{
  content:"";
  width:12px;
  height:12px;
  background:var(--color-primary);
  border-radius:2px;
  transform:rotate(45deg);
  box-shadow:0 0 0 4px var(--faq-green-soft);
}
.page-faq .faq-timeline__line{
  width:3px;
  height:24px;
  margin-left:4px;
  background:repeating-linear-gradient(180deg,var(--color-gold) 0 6px,transparent 6px 12px);
}
.page-faq .faq-timeline__sub{
  margin:16px 0 0;
  text-align:right;
  font-size:12px;
  color:rgba(26,26,26,.6);
}
.page-faq .faq-steps{
  background:var(--color-primary);
  border-radius:4px 22px 4px 22px;
  padding:22px;
  color:#fff;
  box-shadow:var(--shadow-1);
}
.page-faq .faq-steps__label{
  color:var(--color-gold);
}
.page-faq .faq-steps__flow{
  display:grid;
  gap:8px;
  justify-items:start;
}
.page-faq .faq-steps__step{
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 16px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  border-radius:6px 14px 6px 14px;
  font-size:14px;
  line-height:1.55;
}
.page-faq .faq-steps__num{
  font-family:var(--font-num);
  color:var(--color-gold);
}
.page-faq .faq-steps__arrow{
  padding-left:16px;
  font-family:var(--font-num);
  font-size:18px;
  line-height:1;
  color:var(--color-gold);
}

/* ---------- 分类筛选 ---------- */
.page-faq #faq-f-login:checked ~ .faq-chapter:not(.faq-chapter--login),
.page-faq #faq-f-panel:checked ~ .faq-chapter:not(.faq-chapter--panel),
.page-faq #faq-f-video:checked ~ .faq-chapter:not(.faq-chapter--video),
.page-faq #faq-f-data:checked ~ .faq-chapter:not(.faq-chapter--data){
  display:none;
}

/* ---------- 联系引导 ---------- */
.page-faq .faq-help{
  margin:clamp(48px,8vw,92px) 0 clamp(40px,7vw,72px);
}
.page-faq .faq-help__inner{
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  align-items:center;
  padding:clamp(26px,5vw,46px);
  background:var(--color-ink);
  border-radius:6px 30px 6px 30px;
  color:var(--color-paper);
}
.page-faq .faq-help__inner::before{
  content:"";
  position:absolute;
  top:-70px;
  left:-50px;
  width:190px;
  height:190px;
  background:rgba(255,215,0,.08);
  transform:rotate(45deg);
}
.page-faq .faq-help__icon{
  display:block;
  width:160px;
  max-width:100%;
  object-fit:cover;
  border:1px solid rgba(255,215,0,.45);
  border-radius:6px 22px 6px 22px;
  background:var(--color-paper);
  box-shadow:0 20px 40px rgba(0,0,0,.28);
}
.page-faq .faq-help__content{
  position:relative;
}
.page-faq .faq-help .eyebrow{
  color:var(--color-gold);
}
.page-faq .faq-help__title{
  margin:12px 0 10px;
  font-family:var(--font-headline);
  font-size:clamp(22px,3.4vw,34px);
  line-height:1.2;
  color:#fff;
}
.page-faq .faq-help__lead{
  margin:0 0 20px;
  font-size:14px;
  line-height:1.75;
  color:rgba(245,240,230,.82);
}
.page-faq .faq-help__channels{
  list-style:none;
  margin:0 0 22px;
  padding:0;
  display:grid;
  gap:8px;
}
.page-faq .faq-help__channels li{
  display:flex;
  flex-wrap:wrap;
  gap:6px 16px;
  align-items:baseline;
  padding:11px 16px;
  background:rgba(255,255,255,.06);
  border-left:3px solid var(--color-gold);
  border-radius:0 12px 0 12px;
  font-size:14px;
}
.page-faq .faq-help__channel-key{
  min-width:64px;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--color-gold);
}
.page-faq .faq-help__channel-val{
  color:var(--color-paper);
  word-break:break-word;
}
.page-faq .faq-help__actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.page-faq .faq-help .btn{
  background:var(--color-gold);
  border:1px solid var(--color-gold);
  color:var(--color-ink);
}
.page-faq .faq-help .btn--outline{
  background:transparent;
  color:var(--color-gold);
  border-color:var(--color-gold);
}
.page-faq .faq-help .btn--outline:hover{
  background:rgba(255,215,0,.14);
  color:var(--color-gold);
  border-color:var(--color-gold);
}

/* ---------- 桌面端适配 ---------- */
@media (min-width:760px){
  .page-faq .faq-cover__grid{
    grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);
    gap:40px;
  }
  .page-faq .faq-index{
    align-self:end;
    margin-bottom:8px;
  }
  .page-faq .faq-filter{
    flex-wrap:wrap;
    overflow:visible;
  }
  .page-faq .faq-chapter__note{
    display:block;
  }
  .page-faq .faq-help__inner{
    grid-template-columns:auto minmax(0,1fr);
    gap:40px;
  }
  .page-faq .faq-help__icon{
    width:200px;
  }
}
@media (min-width:980px){
  .page-faq .faq-chapter__grid{
    grid-template-columns:minmax(0,1.6fr) minmax(0,.8fr);
    gap:clamp(28px,4vw,56px);
  }
  .page-faq .faq-item__summary{
    gap:16px;
    padding:20px 22px;
    font-size:16px;
  }
  .page-faq .faq-item__answer{
    padding:0 22px 24px 100px;
  }
  .page-faq .faq-item__answer p{
    font-size:15px;
  }
}

/* ---------- 减少动态偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after{
    transition-duration:.01ms !important;
    animation-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
}