.page-faq{
  --faq-rail-w: 250px;
  --faq-gap: clamp(20px, 3.2vw, 48px);
  --faq-pulse: 1.2s;
  background: var(--ice-base);
  color: var(--ink-body);
  font-family: var(--font-body);
  line-height: 1.75;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  position: relative;
  padding: 116px 0 58px;
  color: var(--paper);
  background:
    repeating-linear-gradient(90deg, rgba(185,203,211,.08) 0 1px, transparent 1px 92px),
    linear-gradient(158deg, #0b2a3c 0%, var(--ice-deep) 56%, #05141e 100%);
  overflow: hidden;
}
.page-faq .faq-hero::after{
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 8px;
  background: repeating-linear-gradient(90deg, var(--warm) 0 16px, transparent 16px 32px);
  opacity: .5;
}
.page-faq .faq-hero__crumb{
  margin-bottom: 22px;
}
.page-faq .faq-hero__crumb .breadcrumb__link,
.page-faq .faq-hero__crumb .breadcrumb__sep,
.page-faq .faq-hero__crumb .breadcrumb__current{
  color: rgba(234,242,246,.7);
}
.page-faq .faq-hero__crumb .breadcrumb__link:hover{
  color: var(--lime);
}
.page-faq .faq-hero__frame{
  position: relative;
  border: 1px solid rgba(185,203,211,.35);
  padding: clamp(20px, 3.4vw, 42px);
  background: linear-gradient(180deg, rgba(251,249,244,.06), rgba(251,249,244,0));
}
.page-faq .faq-hero__frame::before,
.page-faq .faq-hero__frame::after{
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid var(--lime);
}
.page-faq .faq-hero__frame::before{
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}
.page-faq .faq-hero__frame::after{
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}
.page-faq .faq-hero__grid{
  display: grid;
  gap: clamp(22px, 3vw, 44px);
  grid-template-columns: minmax(0, 1fr);
}
.page-faq .faq-hero__eyebrow{
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin: 0;
  padding-left: 26px;
  position: relative;
}
.page-faq .faq-hero__eyebrow::before{
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 18px;
  height: 2px;
  background: var(--warm);
  transform: translateY(-50%);
}
.page-faq .faq-hero h1{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 58px);
  line-height: 1.08;
  letter-spacing: -.02em;
  margin: 16px 0 0;
  color: #fff;
  max-width: 18ch;
}
.page-faq .faq-hero__lede{
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(234,242,246,.82);
}
.page-faq .faq-hero__jump{
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px dashed rgba(185,203,211,.32);
}
.page-faq .faq-hero__jump-item a{
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 4px;
  border-bottom: 1px dashed rgba(185,203,211,.22);
  color: rgba(251,249,244,.9);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--fast) ease, background var(--fast) ease;
}
.page-faq .faq-hero__jump-item a:hover,
.page-faq .faq-hero__jump-item a:focus-visible{
  color: #fff;
  background: rgba(242,107,56,.14);
}
.page-faq .faq-hero__num{
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--ice-deep);
  background: var(--lime);
  padding: 2px 6px;
  flex: none;
  letter-spacing: .04em;
}
.page-faq .faq-hero__jump-text{
  font-weight: 600;
}
.page-faq .faq-hero__figure{
  margin: 0;
  align-self: start;
}
.page-faq .faq-hero__media{
  border: 1px solid rgba(185,203,211,.4);
  aspect-ratio: 10 / 7;
  overflow: hidden;
  background: rgba(232,220,195,.12);
}
.page-faq .faq-hero__media img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-faq .faq-hero__figure .figure__caption{
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: rgba(234,242,246,.62);
  display: flex;
  gap: 8px;
}
.page-faq .faq-hero__figure .figure__index{
  font-family: var(--font-mono);
  color: var(--warm);
  flex: none;
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body{
  padding: clamp(36px, 5vw, 76px) 0 clamp(52px, 7vw, 96px);
}
.page-faq .faq-body__shell{
  display: grid;
  gap: var(--faq-gap);
  grid-template-columns: minmax(0, 1fr);
}

/* 左侧目录轨道 */
.page-faq .faq-rail{
  border-left: 2px solid var(--warm);
  padding-left: 16px;
}
.page-faq .faq-rail__title{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--rock);
  margin: 0 0 12px;
}
.page-faq .faq-rail__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 10px;
}
.page-faq .faq-rail__link{
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 0;
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color var(--fast) ease;
}
.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible{
  color: var(--warm);
}
.page-faq .faq-rail__no{
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--paper);
  background: var(--mauve);
  padding: 1px 5px;
  flex: none;
}
.page-faq .faq-rail__note{
  margin-top: 20px;
  background: var(--ticket);
  border: 1px dashed var(--rock);
  padding: 14px 14px 12px;
}
.page-faq .faq-rail__note-label{
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--rock);
}
.page-faq .faq-rail__note-text{
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-body);
}

/* ---------- 分组 ---------- */
.page-faq .faq-answers{
  min-width: 0;
}
.page-faq .faq-group{
  margin-bottom: clamp(34px, 4.6vw, 60px);
}
.page-faq .faq-group__head{
  border-top: 2px solid var(--ink);
  padding-top: 16px;
  margin-bottom: 20px;
}
.page-faq .faq-group__head .num-tag{
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  background: var(--ice-deep);
  color: var(--lime);
  padding: 2px 8px;
  margin-bottom: 10px;
  letter-spacing: .08em;
}
.page-faq .faq-group h2{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.4vw, 33px);
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--ink);
  margin: 0;
}
.page-faq .faq-group__lede{
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}
.page-faq .faq-group__figure{
  margin: 0 0 22px;
}
.page-faq .faq-group__media{
  border: 1px solid var(--line);
  background: var(--ticket);
  aspect-ratio: 10 / 7;
  overflow: hidden;
}
.page-faq .faq-group__media img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-faq .faq-group__figure .figure__caption{
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--rock);
  display: flex;
  gap: 8px;
}
.page-faq .faq-group__figure .figure__index{
  font-family: var(--font-mono);
  color: var(--warm);
  flex: none;
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-item{
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  box-shadow: 0 1px 0 rgba(7,28,42,.04), 6px 6px 0 -4px rgba(232,220,195,.95);
  margin-bottom: 12px;
  transition: border-color var(--fast) ease, box-shadow var(--fast) ease;
}
.page-faq .faq-item[open]{
  border-left-color: var(--warm);
  box-shadow: 0 1px 0 rgba(7,28,42,.05), 8px 8px 0 -4px rgba(232,220,195,1);
}
.page-faq .faq-item--saved[open]{
  border-left-color: var(--teal);
}
.page-faq .faq-item__summary{
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  transition: background var(--fast) ease;
}
.page-faq .faq-item__summary::-webkit-details-marker{
  display: none;
}
.page-faq .faq-item__summary:hover{
  background: rgba(234,242,246,.7);
}
.page-faq .faq-item__summary:focus-visible{
  outline: 2px solid var(--warm);
  outline-offset: -2px;
}
.page-faq .faq-item__no{
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-soft);
  background: var(--ice-base);
  border: 1px solid var(--line);
  padding: 1px 6px;
  flex: none;
  margin-top: 2px;
  letter-spacing: .04em;
}
.page-faq .faq-item[open] .faq-item__no{
  background: var(--warm);
  border-color: var(--warm);
  color: #fff;
}
.page-faq .faq-item--saved[open] .faq-item__no{
  background: var(--teal);
  border-color: var(--teal);
}
.page-faq .faq-item__q{
  min-width: 0;
}
.page-faq .faq-item__mark{
  position: relative;
  width: 20px;
  height: 20px;
  flex: none;
  border: 1px solid var(--line);
  background: var(--ice-base);
  margin-top: 2px;
}
.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after{
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  top: 50%;
  height: 2px;
  background: var(--ink-soft);
  transform: translateY(-50%);
}
.page-faq .faq-item__mark::after{
  transform: translateY(-50%) rotate(90deg);
  transition: opacity var(--fast) ease;
}
.page-faq .faq-item[open] .faq-item__mark::after{
  opacity: 0;
}
.page-faq .faq-item__body{
  padding: 0 16px 16px 16px;
  border-top: 1px dashed var(--line);
  margin-top: 2px;
  animation: faq-open var(--slow) ease both;
}
.page-faq .faq-item__body p{
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-body);
  max-width: 66ch;
}
.page-faq .faq-item__body a{
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--warm);
  padding-bottom: 1px;
}
.page-faq .faq-item__body a:hover,
.page-faq .faq-item__body a:focus-visible{
  color: var(--warm);
}
.page-faq .faq-item__meta{
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--ink-soft);
}
.page-faq .faq-item__pulse{
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--teal);
  flex: none;
  animation: faq-pulse var(--faq-pulse) ease-in-out infinite;
}
.page-faq .tag--teal{
  background: rgba(31,191,154,.16);
  color: #106b57;
  border: 1px solid rgba(31,191,154,.5);
  font-size: 12px;
  padding: 1px 8px;
}
.page-faq .faq-hit{
  background: linear-gradient(180deg, transparent 58%, rgba(242,107,56,.36) 58%);
  color: var(--ink);
  font-weight: 700;
  padding: 0 2px;
}

/* ---------- 呼吸区 ---------- */
.page-faq .faq-breath{
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  margin: clamp(22px, 3.4vw, 46px) 0 clamp(30px, 4vw, 58px);
  padding: clamp(20px, 3vw, 32px);
  background:
    repeating-linear-gradient(135deg, rgba(232,220,195,.55) 0 10px, rgba(232,220,195,.28) 10px 20px),
    var(--ice-base);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-breath__num{
  font-family: var(--font-mono);
  font-size: clamp(46px, 9vw, 76px);
  font-weight: 600;
  line-height: 1;
  color: var(--ink);
  margin: 0;
  letter-spacing: -.03em;
}
.page-faq .faq-breath__text{
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 42ch;
}

/* ---------- 联络回执 ---------- */
.page-faq .faq-receipt{
  margin-top: 26px;
  background: var(--paper);
  border: 1px dashed var(--rock);
  border-top: 4px solid var(--ice-deep);
  padding: 20px 18px 16px;
  position: relative;
}
.page-faq .faq-receipt::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: repeating-linear-gradient(90deg, var(--warm) 0 18px, var(--ice-deep) 18px 36px);
}
.page-faq .faq-receipt__title{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--rock);
  margin: 0 0 14px;
}
.page-faq .faq-receipt__list{
  margin: 0;
  display: grid;
  gap: 0;
}
.page-faq .faq-receipt__row{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding: 9px 0;
  border-bottom: 1px dotted var(--line);
}
.page-faq .faq-receipt__row:last-child{
  border-bottom: 0;
}
.page-faq .faq-receipt__label{
  font-size: 12px;
  color: var(--rock);
  font-family: var(--font-mono);
  letter-spacing: .04em;
}
.page-faq .faq-receipt__value{
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  word-break: break-word;
}
.page-faq .faq-receipt__foot{
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-soft);
}
.page-faq .faq-receipt__foot a{
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--warm);
}
.page-faq .faq-receipt__foot a:hover,
.page-faq .faq-receipt__foot a:focus-visible{
  color: var(--warm);
}

/* ---------- 继续浏览 ---------- */
.page-faq .faq-next{
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(28px, 4vw, 52px);
}
.page-faq .faq-next__card{
  display: grid;
  gap: 4px;
  padding: 16px 16px 18px;
  background: var(--ice-deep);
  color: var(--paper);
  text-decoration: none;
  border-left: 4px solid var(--warm);
  transition: transform var(--fast) ease, background var(--fast) ease;
}
.page-faq .faq-next__card:hover,
.page-faq .faq-next__card:focus-visible{
  background: #0d2c3e;
  transform: translateY(-2px);
}
.page-faq .faq-next__no{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--lime);
}
.page-faq .faq-next__title{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.4;
  color: #fff;
}
.page-faq .faq-next__desc{
  font-size: 13px;
  line-height: 1.6;
  color: rgba(234,242,246,.7);
}

/* ---------- 动效 ---------- */
@keyframes faq-open{
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes faq-pulse{
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(31,191,154,.5); }
  50%      { opacity: .55; box-shadow: 0 0 0 5px rgba(31,191,154,0); }
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px){
  .page-faq .faq-hero__jump{
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 22px;
  }
  .page-faq .faq-receipt__row{
    grid-template-columns: 130px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }
  .page-faq .faq-breath{
    grid-template-columns: auto minmax(0, 1fr);
    gap: 28px;
  }
  .page-faq .faq-next{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px){
  .page-faq .faq-hero__grid{
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
    align-items: start;
  }
  .page-faq .faq-item__summary{
    padding: 17px 22px;
    font-size: 16px;
  }
  .page-faq .faq-item__body{
    padding: 0 22px 18px 22px;
  }
}

@media (min-width: 980px){
  .page-faq .faq-body__shell{
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .faq-rail{
    position: sticky;
    top: 96px;
    align-self: start;
  }
  .page-faq .faq-rail__list{
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce){
  .page-faq .faq-item__body{
    animation: none;
  }
  .page-faq .faq-item__pulse{
    animation: none;
  }
  .page-faq .faq-next__card{
    transition: none;
  }
  .page-faq .faq-next__card:hover{
    transform: none;
  }
}
<<<END>>>