.page-faq{
  --faq-gap:clamp(20px,3vw,36px);
  --faq-edge:clamp(24px,4vw,56px);
  background:var(--c-ink);
  color:var(--c-text);
  overflow-x:clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  position:relative;
  padding:clamp(28px,5vw,60px) 0 clamp(26px,4vw,46px);
  border-bottom:1px solid var(--c-line-soft);
}
.page-faq .faq-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(118deg,rgba(91,190,63,.20) 0%,rgba(91,190,63,.04) 42%,rgba(91,190,63,0) 66%),
    repeating-linear-gradient(90deg,var(--c-grid) 0 1px,transparent 1px 26px),
    repeating-linear-gradient(0deg,var(--c-grid) 0 1px,transparent 1px 26px);
  clip-path:polygon(0 0,100% 0,100% 72%,0 100%);
  pointer-events:none;
}
.page-faq .faq-hero__inner{
  position:relative;
  max-width:56rem;
}
.page-faq .faq-hero__title{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(30px,5.2vw,54px);
  line-height:1.08;
  letter-spacing:.005em;
  color:var(--c-bone);
  margin:.34em 0 .5em;
  text-wrap:balance;
}
.page-faq .faq-hero__lede{
  max-width:44rem;
  font-size:clamp(15px,1.5vw,18px);
  line-height:1.8;
  color:var(--c-text);
}
.page-faq .faq-hero__meta{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:10px 26px;
  margin:26px 0 0;
  padding:16px 0 0;
  border-top:1px solid var(--c-line);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--c-moss);
}
.page-faq .faq-hero__meta .num{
  color:var(--c-lime);
  font-size:15px;
  margin-right:4px;
}

/* ---------- 通用小节标题 ---------- */
.page-faq .section-head{
  margin-bottom:clamp(18px,2.4vw,28px);
}
.page-faq .section-head h2{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(23px,3.2vw,34px);
  line-height:1.16;
  color:var(--c-bone);
  margin:.3em 0 .4em;
  text-wrap:balance;
}
.page-faq .section-head .lede{
  max-width:46rem;
  color:var(--c-text-dim);
  line-height:1.8;
  margin:0;
}

/* ---------- 快速入口 ---------- */
.page-faq .faq-quick{
  padding:clamp(32px,4.6vw,60px) 0;
  border-bottom:1px solid var(--c-line-soft);
}
.page-faq .faq-quick__body{
  display:grid;
  gap:var(--faq-gap);
}
.page-faq .faq-quick__grid{
  display:grid;
  gap:1px;
  background:var(--c-line-soft);
  border:1px solid var(--c-line);
}
.page-faq .quick-card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:9px;
  padding:20px 18px 18px;
  background:var(--c-seed);
  color:var(--c-text);
  text-decoration:none;
  transition:background .25s var(--ease);
}
.page-faq .quick-card::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  width:100%;
  height:2px;
  background:var(--c-kiwi);
  transform:scaleX(.16);
  transform-origin:left;
  transition:transform .32s var(--ease);
}
.page-faq .quick-card:hover,
.page-faq .quick-card:focus-visible{
  background:#16241A;
  outline:none;
}
.page-faq .quick-card:hover::before,
.page-faq .quick-card:focus-visible::before{
  transform:scaleX(1);
}
.page-faq .quick-card__num{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--c-moss);
}
.page-faq .quick-card__title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:20px;
  line-height:1.2;
  color:var(--c-bone);
  margin:0;
}
.page-faq .quick-card__text{
  margin:0;
  font-size:14px;
  line-height:1.75;
  color:var(--c-text-dim);
}
.page-faq .quick-card__cta{
  margin-top:auto;
  padding-top:8px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--c-lime);
  border-bottom:1px solid var(--c-lime);
  align-self:flex-start;
}
.page-faq .faq-quick__figure{
  margin:0;
  border:1px solid var(--c-line);
  background:var(--c-char);
}
.page-faq .faq-quick__figure img{
  display:block;
  width:100%;
  height:auto;
  aspect-ratio:14/9;
  object-fit:cover;
}
.page-faq .faq-quick__figure .media__cap{
  padding:10px 14px 12px;
  border-top:1px solid var(--c-line-soft);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.05em;
  color:var(--c-moss);
  line-height:1.6;
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-qa{
  padding:clamp(32px,4.6vw,60px) 0;
  border-bottom:1px solid var(--c-line-soft);
}
.page-faq .faq-layout{
  display:grid;
  gap:var(--faq-gap);
}
.page-faq .faq-side{
  display:grid;
  gap:18px;
  padding:16px 0 0;
  border-top:1px solid var(--c-line);
}
.page-faq .faq-side__nav{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.page-faq .faq-side__link{
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:6px 10px;
  border:1px solid var(--c-line-soft);
  font-size:13px;
  color:var(--c-text-dim);
  text-decoration:none;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible{
  color:var(--c-bone);
  border-color:var(--c-kiwi);
  outline:none;
}
.page-faq .faq-side__num{
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--c-kiwi);
}
.page-faq .faq-side__hot-title{
  margin:0 0 8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--c-moss);
  text-transform:uppercase;
}
.page-faq .faq-side__hot-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:8px;
}
.page-faq .faq-side__hot-list a{
  display:block;
  padding-left:12px;
  border-left:1px solid var(--c-line);
  font-size:13px;
  line-height:1.6;
  color:var(--c-text-dim);
  text-decoration:none;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.page-faq .faq-side__hot-list a:hover,
.page-faq .faq-side__hot-list a:focus-visible{
  color:var(--c-lime);
  border-left-color:var(--c-lime);
  outline:none;
}

.page-faq .faq-filter{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:22px;
}
.page-faq .filter-btn{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  padding:8px 13px;
  background:transparent;
  border:1px solid var(--c-line);
  color:var(--c-moss);
  cursor:pointer;
  border-radius:0;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.page-faq .filter-btn:hover{
  color:var(--c-bone);
  border-color:var(--c-kiwi);
}
.page-faq .filter-btn.is-active,
.page-faq .filter-btn[aria-pressed="true"]{
  background:var(--c-lime);
  border-color:var(--c-lime);
  color:var(--c-dark);
}
.page-faq .filter-btn:focus-visible{
  outline:2px solid var(--c-lime);
  outline-offset:2px;
}
.page-faq .filter-empty{
  margin:0 0 16px;
  padding:14px 16px;
  border:1px dashed var(--c-line);
  font-size:14px;
  color:var(--c-moss);
}

.page-faq .faq-list{
  display:grid;
}
.page-faq .faq-item{
  border-top:1px solid var(--c-line);
}
.page-faq .faq-item:last-child{
  border-bottom:1px solid var(--c-line);
}
.page-faq .faq-item summary{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:6px 14px;
  padding:17px 42px 17px 2px;
  cursor:pointer;
  list-style:none;
  transition:color .2s var(--ease);
}
.page-faq .faq-item summary::-webkit-details-marker{
  display:none;
}
.page-faq .faq-item summary:hover{
  color:var(--c-lime);
}
.page-faq .faq-item summary:focus-visible{
  outline:2px solid var(--c-lime);
  outline-offset:-2px;
}
.page-faq .faq-item__q{
  flex:1 1 15rem;
  font-size:16px;
  line-height:1.55;
  font-weight:500;
  color:var(--c-bone);
}
.page-faq .faq-item summary:hover .faq-item__q{
  color:var(--c-lime);
}
.page-faq .faq-item__tag{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.1em;
  padding:2px 7px;
  border:1px solid var(--c-line);
  color:var(--c-moss);
}
.page-faq .faq-item summary::after{
  content:"+";
  position:absolute;
  right:8px;
  top:19px;
  font-family:var(--font-mono);
  font-size:19px;
  line-height:1;
  color:var(--c-lime);
}
.page-faq .faq-item[open] summary::after{
  content:"−";
}
.page-faq .faq-item[open] summary{
  border-bottom:1px solid var(--c-line-soft);
}
.page-faq .faq-item__a{
  padding:16px 2px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-text-dim);
  max-width:62ch;
}
.page-faq .faq-item__a p{
  margin:0;
}
.page-faq .faq-item__figure{
  margin:16px 0 0;
  border:1px solid var(--c-line);
  background:var(--c-char);
  max-width:100%;
}
.page-faq .faq-item__figure img{
  display:block;
  width:100%;
  height:auto;
  aspect-ratio:10/7;
  object-fit:cover;
}
.page-faq .faq-item__figure .media__cap{
  padding:9px 12px 10px;
  border-top:1px solid var(--c-line-soft);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.04em;
  color:var(--c-moss);
  line-height:1.6;
}

/* ---------- 术语表 ---------- */
.page-faq .faq-glossary{
  padding:clamp(32px,4.6vw,60px) 0;
  border-bottom:1px solid var(--c-line-soft);
}
.page-faq .term-board{
  display:grid;
  gap:1px;
  background:var(--c-line-soft);
  border:1px solid var(--c-line);
}
.page-faq .term-card{
  position:relative;
  padding:22px 18px 20px;
  background:var(--c-seed);
}
.page-faq .term-card::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  width:100%;
  height:3px;
  background:var(--c-kiwi);
}
.page-faq .term-card--role::before{
  background:var(--c-indigo);
}
.page-faq .term-card--book::before{
  background:var(--c-wine);
}
.page-faq .term-card__title{
  margin:0 0 14px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:19px;
  letter-spacing:.02em;
  color:var(--c-bone);
}
.page-faq .term-card__list{
  margin:0;
}
.page-faq .term-card__list dt{
  font-family:var(--font-serif);
  font-size:15px;
  color:var(--c-lime);
  margin-top:12px;
  letter-spacing:.02em;
}
.page-faq .term-card__list dt:first-child{
  margin-top:0;
}
.page-faq .term-card__list dd{
  margin:4px 0 0;
  font-size:14px;
  line-height:1.78;
  color:var(--c-text-dim);
}
.page-faq .faq-glossary__more{
  margin:20px 0 0;
  font-size:14px;
  line-height:1.8;
  color:var(--c-moss);
}
.page-faq .faq-glossary__more a{
  color:var(--c-lime);
  text-decoration:none;
  border-bottom:1px solid var(--c-lime);
}
.page-faq .faq-glossary__more a:hover,
.page-faq .faq-glossary__more a:focus-visible{
  color:var(--c-bone);
  border-bottom-color:var(--c-bone);
  outline:none;
}

/* ---------- 联系 ---------- */
.page-faq .faq-contact{
  padding:clamp(32px,4.6vw,60px) 0 clamp(36px,5vw,64px);
  position:relative;
}
.page-faq .faq-contact::before{
  content:"";
  position:absolute;
  inset:0 calc(var(--pad) * -1);
  background:
    linear-gradient(102deg,rgba(27,73,101,.42) 0%,rgba(27,73,101,.10) 46%,rgba(110,31,51,.32) 100%);
  border-top:1px solid var(--c-line);
  pointer-events:none;
}
.page-faq .faq-contact__grid{
  position:relative;
  display:grid;
  gap:var(--faq-gap);
}
.page-faq .faq-contact__copy h2{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(23px,3.2vw,34px);
  line-height:1.16;
  color:var(--c-bone);
  margin:.3em 0 .5em;
  text-wrap:balance;
}
.page-faq .faq-contact__copy p{
  margin:0;
  max-width:34rem;
  font-size:15px;
  line-height:1.85;
  color:var(--c-text);
}
.page-faq .faq-contact__list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:1px;
  background:var(--c-line-soft);
  border:1px solid var(--c-line);
}
.page-faq .faq-contact__item{
  display:grid;
  gap:4px;
  padding:14px 16px;
  background:rgba(11,15,12,.82);
}
.page-faq .faq-contact__label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--c-moss);
}
.page-faq .faq-contact__value{
  font-size:15px;
  line-height:1.6;
  color:var(--c-bone);
  word-break:break-word;
}
.page-faq .faq-contact__note{
  font-size:12.5px;
  line-height:1.65;
  color:var(--c-text-dim);
}
.page-faq .faq-contact__actions{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:clamp(20px,3vw,30px);
}

/* ---------- 响应式 ---------- */
@media (min-width:600px){
  .page-faq .faq-quick__grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .page-faq .term-board{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media (min-width:900px){
  .page-faq .faq-quick__body{
    grid-template-columns:minmax(0,1.5fr) minmax(0,.8fr);
    align-items:start;
  }
  .page-faq .faq-quick__figure{
    position:sticky;
    top:96px;
  }
  .page-faq .faq-contact__grid{
    grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
    align-items:start;
  }
  .page-faq .term-board{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
}

@media (min-width:1000px){
  .page-faq .faq-layout{
    grid-template-columns:clamp(190px,17vw,228px) minmax(0,1fr);
    align-items:start;
  }
  .page-faq .faq-side{
    position:sticky;
    top:88px;
    display:grid;
    gap:22px;
    padding-top:4px;
    border-top:none;
  }
  .page-faq .faq-side__nav{
    display:grid;
    gap:2px;
  }
  .page-faq .faq-side__link{
    border:none;
    border-left:1px solid var(--c-line);
    padding:7px 0 7px 12px;
    font-size:14px;
  }
  .page-faq .faq-side__link:hover,
  .page-faq .faq-side__link:focus-visible{
    border-left-color:var(--c-lime);
    color:var(--c-lime);
  }
}

@media (min-width:1100px){
  .page-faq .faq-quick__grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .page-faq .faq-item summary{
    padding-right:52px;
  }
}

@media (prefers-reduced-motion:reduce){
  .page-faq .quick-card,
  .page-faq .quick-card::before,
  .page-faq .filter-btn,
  .page-faq .faq-side__link,
  .page-faq .faq-side__hot-list a{
    transition:none;
  }
}
<<<END>>>