.page-faq{
  --faq-gutter-col: 42px;
  position: relative;
  color: var(--text);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--hair);
  background:
    radial-gradient(120% 130% at 92% -20%, rgba(43,242,206,.16), transparent 58%),
    radial-gradient(90% 120% at 0% 118%, rgba(14,33,72,.92), transparent 62%),
    linear-gradient(180deg, var(--navy-950) 0%, var(--navy-900) 100%);
}
.page-faq .faq-hero::after{
  content: "";
  position: absolute;
  right: -14%;
  bottom: -42%;
  width: 82%;
  height: 76%;
  background: linear-gradient(115deg, transparent 44%, rgba(43,242,206,.12) 44%, rgba(43,242,206,.12) 58%, transparent 58%);
  transform: rotate(-2deg);
  pointer-events: none;
}
.page-faq .faq-hero__inner{
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 44px);
  padding-top: clamp(26px, 4.5vw, 52px);
  padding-bottom: clamp(30px, 5vw, 64px);
  align-items: end;
}
.page-faq .faq-crumb-sep{
  color: var(--navy-700);
  margin: 0 8px;
}
.page-faq .breadcrumbs{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-dim);
}
.page-faq .breadcrumbs a{
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 120ms ease, border-color 120ms ease;
}
.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible{
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.page-faq .faq-hero__label{
  margin: 22px 0 0;
}
.page-faq .faq-hero__title{
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(32px, 6.2vw, 76px);
  line-height: 1.06;
  letter-spacing: -.02em;
  max-width: 18em;
}
.page-faq .faq-hero__lead{
  margin: 18px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.95;
  color: var(--text-dim);
}
.page-faq .faq-hero__aside{
  padding: clamp(16px, 2.2vw, 24px);
  background:
    linear-gradient(160deg, rgba(23,48,95,.55), rgba(4,9,26,.9));
  border: 1px solid var(--hair);
}
.page-faq .faq-quick{
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}
.page-faq .faq-quick li{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--hair);
  font-size: 13.5px;
}
.page-faq .faq-quick a{
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 120ms ease, border-color 120ms ease;
}
.page-faq .faq-quick a:hover,
.page-faq .faq-quick a:focus-visible{
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.page-faq .faq-quick .mono{
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--slate-400);
  white-space: nowrap;
}
.page-faq .faq-hero__stat{
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-top: 16px;
}
.page-faq .faq-hero__stat .stat-value{
  font-size: 32px;
  color: var(--warn);
  line-height: 1;
}
.page-faq .faq-hero__stat .stat-label{
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--slate-400);
}

/* ---------- 排查路径条 ---------- */
.page-faq .faq-path{
  border-bottom: 1px solid var(--hair);
  background: linear-gradient(90deg, rgba(8,20,48,.96), rgba(4,9,26,.96));
}
.page-faq .faq-path__inner{
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 12px;
  padding-bottom: 12px;
}
.page-faq .faq-path__list{
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0 0 2px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-faq .faq-path__list::-webkit-scrollbar{ height: 4px; }
.page-faq .faq-path__list::-webkit-scrollbar-thumb{ background: var(--navy-700); }
.page-faq .faq-path__item{
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}
.page-faq .faq-path__node{
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 11px;
  border: 1px solid var(--hair);
  background: rgba(4,9,26,.5);
  color: var(--text-dim);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 120ms ease, color 120ms ease, background-color 120ms ease;
}
.page-faq .faq-path__node:hover,
.page-faq .faq-path__node:focus-visible{
  border-color: var(--accent);
  color: var(--text);
  background: rgba(43,242,206,.07);
}
.page-faq .faq-path__num{
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--accent);
}
.page-faq .faq-path__node--end .faq-path__num{ color: var(--warn); }
.page-faq .faq-path__node--end:hover,
.page-faq .faq-path__node--end:focus-visible{
  border-color: var(--warn);
  background: rgba(255,176,58,.08);
}
.page-faq .faq-path__arrow{
  flex: 0 0 auto;
  color: var(--navy-700);
}

/* ---------- 排查顺序 ---------- */
.page-faq .faq-sequence .section-head{
  margin-bottom: clamp(18px, 2.4vw, 28px);
}
.page-faq .faq-sequence__figure{
  margin: 0 0 clamp(22px, 3vw, 36px);
}
.page-faq .faq-steps{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}
.page-faq .faq-step{
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: clamp(18px, 2.4vw, 26px);
  background: linear-gradient(180deg, var(--navy-900), var(--navy-950));
  transition: background-color 120ms ease, box-shadow 180ms ease;
}
.page-faq .faq-step:hover{
  background: var(--navy-800);
}
.page-faq .faq-step:target{
  background: var(--navy-800);
  box-shadow: inset 2px 0 0 var(--warn);
}
.page-faq .faq-step__num{
  font-size: 22px;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--accent);
}
.page-faq .faq-step:last-child .faq-step__num{ color: var(--warn); }
.page-faq .faq-step__title{
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: .01em;
}
.page-faq .faq-step__text{
  margin: 0;
  max-width: 38em;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--text-dim);
}
.page-faq .faq-step__text a{
  color: var(--accent-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--navy-700);
  transition: border-color 120ms ease, color 120ms ease;
}
.page-faq .faq-step__text a:hover,
.page-faq .faq-step__text a:focus-visible{
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---------- 问答区 ---------- */
.page-faq .faq-qa .section-head{
  margin-bottom: clamp(18px, 2.4vw, 28px);
}
.page-faq .faq-tabs__bar{
  display: flex;
  gap: 0;
  overflow-x: auto;
  border-bottom: 1px solid var(--hair);
  margin-bottom: clamp(18px, 2.6vw, 30px);
}
.page-faq .faq-tab{
  flex: 0 0 auto;
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--text-dim);
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: .04em;
  padding: 12px 16px;
  cursor: pointer;
  white-space: nowrap;
  transition: color 180ms ease, border-color 180ms ease;
}
.page-faq .faq-tab:hover{ color: var(--text); }
.page-faq .faq-tab[aria-selected="true"]{
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.page-faq .faq-tab:focus-visible{
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}
.page-faq .faq-panel + .faq-panel{
  margin-top: clamp(28px, 4vw, 52px);
}
.page-faq .faq-panel__title{
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.3;
}
.page-faq .faq-panel__note{
  margin: 8px 0 0;
  max-width: 40em;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--slate-400);
}
.page-faq .faq-list{
  margin-top: clamp(14px, 2vw, 22px);
  border-top: 1px solid var(--hair);
}
.page-faq .faq-item{
  border-bottom: 1px solid var(--hair);
}
.page-faq .faq-item__summary{
  display: grid;
  grid-template-columns: var(--faq-gutter-col) minmax(0, 1fr) 22px;
  align-items: start;
  gap: 12px;
  padding: clamp(14px, 1.8vw, 20px) 4px;
  cursor: pointer;
  list-style: none;
  transition: background-color 120ms ease;
}
.page-faq .faq-item__summary::-webkit-details-marker{ display: none; }
.page-faq .faq-item__summary:hover{
  background: rgba(23,48,95,.35);
}
.page-faq .faq-item__summary:focus-visible{
  outline: 2px solid var(--focus);
  outline-offset: -2px;
}
.page-faq .faq-item__num{
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--slate-400);
  padding-top: 4px;
}
.page-faq .faq-item__q{
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  font-weight: 500;
}
.page-faq .faq-item[open] .faq-item__q{ color: var(--accent); }
.page-faq .faq-item__mark{
  justify-self: end;
  position: relative;
  width: 12px;
  height: 12px;
  margin-top: 6px;
}
.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after{
  content: "";
  position: absolute;
  background: var(--slate-400);
  transition: transform 180ms ease, background-color 180ms ease;
}
.page-faq .faq-item__mark::before{
  left: 0;
  top: 5px;
  width: 12px;
  height: 1px;
}
.page-faq .faq-item__mark::after{
  left: 5px;
  top: 0;
  width: 1px;
  height: 12px;
}
.page-faq .faq-item[open] .faq-item__mark::before{ background: var(--accent); }
.page-faq .faq-item[open] .faq-item__mark::after{ transform: scaleY(0); }
.page-faq .faq-item__answer{
  padding: 0 4px clamp(18px, 2.4vw, 26px) calc(var(--faq-gutter-col) + 12px);
  animation: faq-answer-in 180ms ease both;
}
@keyframes faq-answer-in{
  from{ opacity: 0; transform: translateY(-6px); }
  to{ opacity: 1; transform: none; }
}
.page-faq .faq-item__answer p{
  margin: 0 0 12px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.95;
  color: var(--text-dim);
}
.page-faq .faq-item__answer p:last-child{ margin-bottom: 0; }
.page-faq .faq-item__answer .mono{
  color: var(--accent-soft);
}
.page-faq .faq-item__answer a{
  color: var(--accent-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--navy-700);
  transition: border-color 120ms ease, color 120ms ease;
}
.page-faq .faq-item__answer a:hover,
.page-faq .faq-item__answer a:focus-visible{
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* 答复内嵌字段表 */
.page-faq .faq-table-wrap{
  margin: 14px 0 4px;
  overflow-x: auto;
  border: 1px solid var(--hair);
}
.page-faq .faq-table{
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
  font-size: 13.5px;
}
.page-faq .faq-table caption{
  caption-side: top;
  text-align: left;
  padding: 10px 12px;
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--slate-400);
  border-bottom: 1px solid var(--hair);
  background: rgba(8,20,48,.6);
}
.page-faq .faq-table th,
.page-faq .faq-table td{
  text-align: left;
  vertical-align: top;
  padding: 10px 12px;
  border-bottom: 1px solid var(--hair);
}
.page-faq .faq-table tbody tr:last-child th,
.page-faq .faq-table tbody tr:last-child td{ border-bottom: 0; }
.page-faq .faq-table thead th{
  font-weight: 400;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--accent-soft);
  background: rgba(23,48,95,.35);
  white-space: nowrap;
}
.page-faq .faq-table tbody th{
  font-weight: 400;
  color: var(--text);
  white-space: nowrap;
}
.page-faq .faq-table tbody td{
  color: var(--text-dim);
  line-height: 1.8;
}

/* 纠错截图示意 */
.page-faq .faq-shot{
  margin: clamp(22px, 3vw, 32px) 0 0;
  max-width: 620px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px){
  .page-faq .faq-steps{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-path__inner{
    flex-direction: row;
    align-items: center;
    gap: 18px;
  }
  .page-faq .faq-path__label{
    flex: 0 0 auto;
  }
  .page-faq .faq-path__list{
    flex: 1 1 auto;
  }
}
@media (min-width: 980px){
  .page-faq .faq-hero__inner{
    grid-template-columns: minmax(0, 1.6fr) minmax(280px, .8fr);
  }
}
@media (min-width: 1120px){
  .page-faq .faq-steps{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
@media (max-width: 600px){
  .page-faq{
    --faq-gutter-col: 30px;
  }
  .page-faq .faq-item__summary{
    gap: 10px;
  }
  .page-faq .faq-item__q{
    font-size: 15px;
  }
  .page-faq .faq-item__answer{
    padding-left: 0;
  }
  .page-faq .faq-hero__title{
    font-size: clamp(28px, 8.4vw, 40px);
  }
}

@media (prefers-reduced-motion: reduce){
  .page-faq .faq-item__answer{ animation: none; }
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-tab,
  .page-faq .faq-path__node,
  .page-faq .faq-breadcrumbs a,
  .page-faq .breadcrumbs a{ transition: none; }
  .page-faq [data-reveal]{
    opacity: 1;
    transform: none;
  }
}
</main>