.page-faq{
  --faq-index-w: 252px;
  --faq-sticky-top: 96px;
  background: var(--ink);
  color: var(--ivory);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  position: relative;
  padding: 26px 0 48px;
  overflow: hidden;
}

.page-faq .faq-hero::before{
  content: "";
  position: absolute;
  top: -18%;
  right: -12%;
  width: min(640px, 92vw);
  height: min(640px, 92vw);
  background: radial-gradient(circle, rgba(0, 230, 184, .18), rgba(0, 230, 184, 0) 68%);
  pointer-events: none;
}

.page-faq .breadcrumb{
  position: relative;
  margin-bottom: 26px;
  font-size: .78rem;
}

.page-faq .faq-hero__grid{
  position: relative;
  display: grid;
  gap: 30px;
}

.page-faq .faq-hero__copy .eyebrow{
  margin: 0 0 14px;
  color: var(--cyan);
  letter-spacing: .16em;
}

.page-faq .faq-hero h1{
  margin: 0;
  font-size: clamp(2rem, 7.2vw, 3.85rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.02em;
  max-width: 16em;
}

.page-faq .faq-hero .lede{
  margin: 18px 0 0;
  max-width: 42ch;
  color: var(--mist);
  font-size: 1rem;
  line-height: 1.85;
}

.page-faq .faq-hero__panel{
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(158deg, rgba(10, 36, 27, .95), rgba(3, 11, 8, .82));
  padding: 20px 18px;
  box-shadow: var(--shadow-deep);
}

.page-faq .faq-hero__panel-label{
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-faq .faq-quick{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-faq .faq-quick__link{
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  color: var(--ivory);
  text-decoration: none;
  font-size: .93rem;
  font-weight: 600;
  transition: background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
}

.page-faq .faq-quick__link:hover,
.page-faq .faq-quick__link:focus-visible{
  background: rgba(0, 230, 184, .09);
  border-color: rgba(0, 230, 184, .4);
  color: var(--mint);
}

.page-faq .faq-quick__count{
  margin-left: auto;
  color: var(--cyan);
  font-size: .76rem;
}

/* ---------- 首屏图 ---------- */
.page-faq .faq-figure{
  margin: 0 0 12px;
}

.page-faq .faq-figure .media,
.page-faq .faq-desk__figure .media{
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(140deg, var(--panel-2), var(--ink));
}

.page-faq .media img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .media__caption{
  margin-top: 12px;
  color: var(--mist);
  font-size: .82rem;
  line-height: 1.7;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body{
  padding: 56px 0 64px;
}

.page-faq .faq-layout{
  display: grid;
  gap: 34px;
}

.page-faq .faq-aside{
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-faq .faq-aside__label{
  margin: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-faq .faq-index{
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.page-faq .faq-index__link{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  color: var(--mist);
  text-decoration: none;
  font-size: .85rem;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-faq .faq-index__link .num{
  color: var(--cyan);
  font-size: .74rem;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible{
  color: var(--ivory);
  border-color: rgba(0, 230, 184, .45);
  background: rgba(0, 230, 184, .07);
}

.page-faq .faq-aside__card{
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  padding: 18px;
}

.page-faq .faq-aside__card-title{
  margin: 0 0 8px;
  font-weight: 800;
  font-size: .98rem;
}

.page-faq .faq-aside__card-text{
  margin: 0 0 14px;
  color: var(--mist);
  font-size: .85rem;
  line-height: 1.75;
}

.page-faq .faq-aside__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-aside__actions .pill{
  font-size: .82rem;
}

/* ---------- 热门速查 ---------- */
.page-faq .faq-hot{
  border-bottom: 1px solid var(--line);
  padding-bottom: 26px;
  margin-bottom: 24px;
}

.page-faq .faq-hot__title{
  margin: 0 0 14px;
  font-size: .78rem;
  letter-spacing: .16em;
  font-family: var(--font-mono);
  color: var(--mint);
  text-transform: uppercase;
  font-weight: 500;
}

.page-faq .faq-hot__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  counter-reset: hot;
}

.page-faq .faq-hot__link{
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  color: var(--ivory);
  text-decoration: none;
  font-size: .93rem;
  transition: background .18s var(--ease), color .18s var(--ease);
}

.page-faq .faq-hot__link:hover,
.page-faq .faq-hot__link:focus-visible{
  background: rgba(0, 230, 184, .08);
  color: var(--mint);
}

.page-faq .faq-hot__n{
  flex: 0 0 auto;
  color: var(--orange);
  font-size: .78rem;
}

.page-faq .faq-hot__q{
  line-height: 1.5;
}

/* ---------- 筛选 ---------- */
.page-faq .faq-filter{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
}

.page-faq .filter-chip{
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(7, 28, 21, .72);
  color: var(--mist);
  border-radius: var(--radius-pill);
  padding: 9px 17px;
  font: inherit;
  font-size: .84rem;
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .filter-chip:hover{
  color: var(--ivory);
  border-color: rgba(0, 230, 184, .4);
}

.page-faq .filter-chip[aria-pressed="true"]{
  background: var(--cyan);
  border-color: var(--cyan);
  color: #03110C;
  font-weight: 700;
}

.page-faq .filter-chip:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 问答组 ---------- */
.page-faq .faq-group{
  margin-bottom: 44px;
}

.page-faq .faq-group:last-child{
  margin-bottom: 0;
}

.page-faq .faq-group__head{
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.page-faq .faq-group__title{
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0;
  font-size: clamp(1.28rem, 3.4vw, 1.7rem);
  font-weight: 900;
  letter-spacing: -.01em;
}

.page-faq .faq-group__idx{
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 1px solid rgba(0, 230, 184, .45);
  color: var(--cyan);
  font-size: .82rem;
  font-weight: 500;
  transform: translateY(-2px);
}

.page-faq .faq-group__desc{
  margin: 0;
  color: var(--mist);
  font-size: .87rem;
  line-height: 1.7;
}

.page-faq .faq-list{
  counter-reset: faq;
  display: grid;
  gap: 10px;
}

.page-faq .faq-item{
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-item:hover{
  border-color: rgba(0, 230, 184, .28);
}

.page-faq .faq-item[open]{
  background: var(--panel-2);
  border-color: rgba(0, 230, 184, .5);
}

.page-faq .faq-item summary{
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  list-style: none;
  cursor: pointer;
  font-size: .96rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ivory);
}

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

.page-faq .faq-item summary::before{
  counter-increment: faq;
  content: counter(faq, decimal-leading-zero);
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 500;
  color: var(--cyan);
}

.page-faq .faq-item summary::after{
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: .92rem;
  line-height: 1;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-item[open] summary::after{
  content: "−";
  background: rgba(0, 230, 184, .16);
  border-color: rgba(0, 230, 184, .55);
}

.page-faq .faq-item summary:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
  border-radius: var(--radius-md);
}

.page-faq .faq-answer{
  padding: 0 18px 18px 50px;
  color: var(--mist);
  font-size: .93rem;
  line-height: 1.85;
}

.page-faq .faq-answer p{
  margin: 0;
}

.page-faq .faq-answer a{
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-answer a:hover{
  color: var(--mint);
}

.page-faq .is-hidden{
  display: none !important;
}

/* ---------- 服务台 ---------- */
.page-faq .faq-desk{
  padding: 56px 0 72px;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(circle at 88% 12%, rgba(0, 230, 184, .12), rgba(0, 230, 184, 0) 62%),
    var(--ink);
}

.page-faq .faq-desk__grid{
  display: grid;
  gap: 30px;
}

.page-faq .faq-desk__copy .eyebrow{
  margin: 0 0 14px;
  color: var(--orange);
  letter-spacing: .16em;
}

.page-faq .faq-desk h2{
  margin: 0;
  font-size: clamp(1.5rem, 4.6vw, 2.35rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -.015em;
}

.page-faq .faq-desk__lede{
  margin: 14px 0 24px;
  max-width: 44ch;
  color: var(--mist);
  font-size: .95rem;
  line-height: 1.85;
}

.page-faq .faq-desk__list{
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 1px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-desk__list li{
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-desk__key{
  color: var(--mist);
  font-size: .76rem;
  letter-spacing: .1em;
}

.page-faq .faq-desk__val{
  color: var(--ivory);
  font-size: 1.02rem;
  font-weight: 700;
  word-break: break-word;
}

.page-faq .faq-desk__note{
  margin: 0 0 22px;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  color: var(--mist);
  font-size: .84rem;
  line-height: 1.75;
}

.page-faq .faq-desk__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-desk__figure{
  margin: 0;
}

.page-faq .faq-desk__figure .media img{
  aspect-ratio: 3 / 2;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px){
  .page-faq .faq-hero{
    padding: 34px 0 58px;
  }

  .page-faq .faq-hot__list{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-desk__list li{
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-faq .faq-desk__key{
    padding-top: 2px;
  }
}

@media (min-width: 900px){
  .page-faq .faq-hero__grid{
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: end;
    gap: 52px;
  }

  .page-faq .faq-hero__panel{
    padding: 22px 20px;
  }

  .page-faq .faq-desk__grid{
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
    gap: 48px;
  }

  .page-faq .faq-desk h2{
    max-width: 15em;
  }
}

@media (min-width: 1000px){
  .page-faq .faq-layout{
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-aside{
    position: sticky;
    top: var(--faq-sticky-top);
  }

  .page-faq .faq-index{
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    gap: 2px;
  }

  .page-faq .faq-index__link{
    justify-content: space-between;
    white-space: normal;
    border-color: transparent;
    padding: 10px 14px;
    font-size: .88rem;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible{
    border-color: rgba(0, 230, 184, .4);
  }

  .page-faq .faq-hot__list{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 520px){
  .page-faq .faq-answer{
    padding-left: 18px;
  }

  .page-faq .faq-item summary{
    gap: 10px;
    padding: 15px 14px;
    font-size: .92rem;
  }

  .page-faq .faq-desk__val{
    font-size: .95rem;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-faq *{
    transition-duration: .001ms !important;
    animation-duration: .001ms !important;
  }
}
<<<END>>>