.page-faq {
  --faq-index-w: 248px;
  --faq-gap: clamp(1.75rem, 3.4vw, 3rem);
  --faq-surface: linear-gradient(180deg, rgba(27, 20, 64, .62), rgba(11, 16, 32, .74));
}

.page-faq .breadcrumb {
  padding-top: clamp(1.25rem, 3vw, 2rem);
  font-size: .82rem;
  color: var(--c-mist);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: clamp(1.1rem, 2.4vw, 1.75rem) 0 clamp(1.5rem, 3vw, 2.5rem);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--c-violet), var(--c-cyan), transparent 78%);
  opacity: .72;
}

.page-faq .faq-hero h1 {
  margin: .55rem 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(1.85rem, 4.4vw, 3.3rem);
  line-height: 1.2;
  letter-spacing: -.012em;
  color: var(--c-paper);
  max-width: 22ch;
  text-shadow: 0 0 1px var(--c-violet), 0 0 24px rgba(139, 92, 246, .34);
}

.page-faq .faq-hero .lede {
  margin: 1.15rem 0 0;
  max-width: 62ch;
  color: var(--c-mist);
  font-size: clamp(.96rem, 1.6vw, 1.05rem);
  line-height: 1.8;
}

.page-faq .faq-hero-points {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .7rem 1.9rem;
  font-size: .86rem;
  color: var(--c-mist);
}

.page-faq .faq-hero-points li {
  display: inline-flex;
  align-items: baseline;
  gap: .5rem;
}

.page-faq .faq-hero-points .num {
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1;
  color: var(--c-cyan);
}

/* ---------- 反馈链路 ---------- */

.page-faq .faq-flow {
  position: relative;
  overflow: hidden;
  margin: clamp(1.75rem, 3vw, 2.6rem) 0 0;
  padding: clamp(1.3rem, 2.6vw, 2rem) clamp(1.15rem, 2.6vw, 2rem) clamp(1.3rem, 2.6vw, 2rem) clamp(1.35rem, 3vw, 2.25rem);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: linear-gradient(140deg, rgba(27, 20, 64, .82), rgba(11, 16, 32, .62));
  box-shadow: var(--shadow-card);
}

.page-faq .faq-flow::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--c-violet), var(--c-cyan));
  box-shadow: var(--glow-cyan);
}

.page-faq .faq-flow-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .5rem 1.5rem;
  margin-bottom: 1.2rem;
}

.page-faq .faq-flow-head h2 {
  margin: 0;
  font-size: clamp(1.05rem, 2.1vw, 1.32rem);
  font-weight: 800;
  color: var(--c-paper);
}

.page-faq .faq-flow-note {
  margin: 0;
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--c-mist);
}

.page-faq .faq-flow-note .num {
  color: var(--c-mint);
  font-weight: 700;
}

.page-faq .faq-flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 195px), 1fr));
  gap: .9rem;
}

.page-faq .faq-flow-step {
  position: relative;
  display: grid;
  gap: .35rem;
  padding: .9rem 1rem;
  border: 1px solid var(--c-line-soft);
  border-radius: var(--r-md);
  background: rgba(11, 16, 32, .5);
}

.page-faq .faq-flow-idx {
  font-size: .76rem;
  letter-spacing: .14em;
  color: var(--c-violet);
}

.page-faq .faq-flow-name {
  font-size: .96rem;
  font-weight: 700;
  color: var(--c-paper);
}

.page-faq .faq-flow-text {
  font-size: .84rem;
  line-height: 1.68;
  color: var(--c-mist);
}

/* ---------- 主结构：左分类 + 右问答 ---------- */

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  padding-block: clamp(2rem, 4vw, 3.1rem);
}

.page-faq .faq-index {
  align-self: start;
}

.page-faq .faq-index-title {
  margin: 0 0 .85rem;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-violet);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--c-line);
  display: grid;
  gap: .1rem;
}

.page-faq .faq-index-link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .75rem;
  margin-left: -1.5px;
  padding: .62rem .7rem .62rem 1rem;
  border-left: 2px solid transparent;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  color: var(--c-mist);
  font-size: .93rem;
  line-height: 1.45;
  text-decoration: none;
  transition: color .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  color: var(--c-paper);
  background: rgba(139, 92, 246, .14);
  border-left-color: var(--c-cyan);
}

.page-faq .faq-index-no {
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--c-violet);
}

.page-faq .faq-index-tip {
  margin: 1rem 0 0;
  font-size: .78rem;
  line-height: 1.65;
  color: var(--c-mist);
  opacity: .85;
}

/* ---------- 问题分组 ---------- */

.page-faq .faq-group {
  scroll-margin-top: 3rem;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(2.5rem, 5vw, 4rem);
}

.page-faq .faq-group-head {
  display: flex;
  align-items: center;
  gap: .85rem;
  margin-bottom: 1.3rem;
  padding-bottom: .85rem;
  border-bottom: 1px solid var(--c-line);
}

.page-faq .faq-group-no {
  flex: none;
  padding: .22rem .5rem;
  border: 1px solid rgba(139, 92, 246, .45);
  border-radius: var(--r-sm);
  background: rgba(139, 92, 246, .12);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--c-violet);
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-size: clamp(1.25rem, 2.8vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.3;
  color: var(--c-paper);
  text-shadow: 0 0 20px rgba(139, 92, 246, .26);
}

.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
  align-items: start;
}

/* ---------- 截图 ---------- */

.page-faq .faq-figure {
  margin: 0 0 1.4rem;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(160deg, rgba(27, 20, 64, .88), rgba(11, 16, 32, .92));
  box-shadow: var(--shadow-card);
}

.page-faq .faq-split .faq-figure {
  margin-bottom: 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-faq .faq-figure figcaption {
  padding: .72rem 1rem;
  border-top: 1px solid var(--c-line-soft);
  background: rgba(27, 20, 64, .5);
  font-size: .78rem;
  line-height: 1.65;
  color: var(--c-mist);
}

/* ---------- 折叠条目 ---------- */

.page-faq .faq-item {
  margin-bottom: .75rem;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: var(--faq-surface);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}

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

.page-faq .faq-item[open] {
  border-color: rgba(139, 92, 246, .68);
  box-shadow: var(--glow-violet), var(--shadow-card);
}

.page-faq .faq-item:hover {
  border-color: rgba(34, 211, 238, .45);
}

.page-faq .faq-summary {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.05rem 1.2rem;
  cursor: pointer;
  list-style: none;
  border-radius: var(--r-md);
}

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

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

.page-faq .faq-q {
  flex: 1;
  margin: 0;
  font-size: clamp(.98rem, 1.7vw, 1.06rem);
  font-weight: 700;
  line-height: 1.55;
  color: var(--c-paper);
}

.page-faq .faq-mark {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: .18rem;
  border: 1px solid var(--c-line);
  border-radius: 50%;
  transition: transform .28s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-faq .faq-mark::before,
.page-faq .faq-mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--c-cyan);
}

.page-faq .faq-mark::before {
  width: 10px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-mark::after {
  width: 1.5px;
  height: 10px;
  transform: translate(-50%, -50%);
  transition: transform .28s var(--ease), opacity .28s var(--ease);
}

.page-faq .faq-item[open] .faq-mark {
  border-color: var(--c-violet);
  box-shadow: var(--glow-violet);
}

.page-faq .faq-item[open] .faq-mark::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .faq-a {
  padding: 0 1.2rem 1.15rem;
  color: var(--c-mist);
  font-size: .96rem;
  line-height: 1.8;
}

.page-faq .faq-a p {
  margin: 0 0 .85rem;
}

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

.page-faq .faq-a strong {
  color: var(--c-paper);
  font-weight: 700;
}

.page-faq .faq-a .num {
  color: var(--c-cyan);
  font-weight: 700;
}

.page-faq .faq-a a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, .38);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-a a:hover,
.page-faq .faq-a a:focus-visible {
  color: var(--c-paper);
  border-bottom-color: var(--c-paper);
}

.page-faq .faq-item[open] .faq-a {
  animation: faq-reveal .3s var(--ease) both;
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 状态行与徽标 ---------- */

.page-faq .faq-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  margin-top: 1rem;
  padding-top: .8rem;
  border-top: 1px dashed var(--c-line-soft);
  font-size: .8rem;
  color: var(--c-mist);
}

.page-faq .faq-badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .22rem .65rem .22rem .55rem;
  border-radius: 999px;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .06em;
  white-space: nowrap;
  cursor: help;
}

.page-faq .faq-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}

.page-faq .faq-badge--amber {
  color: var(--c-amber);
  background: rgba(255, 194, 75, .1);
  border: 1px solid rgba(255, 194, 75, .36);
}

.page-faq .faq-badge--mint {
  color: var(--c-mint);
  background: rgba(52, 211, 153, .1);
  border: 1px solid rgba(52, 211, 153, .36);
}

.page-faq .faq-badge[data-tip]::after {
  content: attr(data-tip);
  position: absolute;
  left: 0;
  bottom: calc(100% + 8px);
  z-index: 6;
  width: max-content;
  max-width: min(21rem, 78vw);
  padding: .45rem .7rem;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: var(--c-indigo);
  box-shadow: var(--shadow-card);
  color: var(--c-paper);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.55;
  white-space: normal;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  pointer-events: none;
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
}

.page-faq .faq-badge[data-tip]:hover::after,
.page-faq .faq-badge[data-tip]:focus-visible::after {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.page-faq .faq-states {
  list-style: none;
  margin: 0 0 .9rem;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-faq .faq-states li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: .8rem;
  padding: .7rem .85rem;
  border: 1px solid var(--c-line-soft);
  border-radius: var(--r-sm);
  background: rgba(11, 16, 32, .45);
}

.page-faq .faq-state-text {
  font-size: .88rem;
  line-height: 1.7;
  color: var(--c-mist);
}

/* ---------- 收尾 ---------- */

.page-faq .faq-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  margin: 0 0 clamp(2.5rem, 5vw, 4rem);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 160% at 0% 0%, rgba(139, 92, 246, .22), transparent 62%),
    var(--faq-surface);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-cta h2 {
  margin: 0 0 .4rem;
  font-size: clamp(1.15rem, 2.3vw, 1.5rem);
  font-weight: 800;
  color: var(--c-paper);
}

.page-faq .faq-cta p {
  margin: 0;
  max-width: 48ch;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--c-mist);
}

/* ---------- 响应式 ---------- */

@media (max-width: 899px) {
  .page-faq .faq-index-list {
    border-left: 0;
    border-top: 1px solid var(--c-line);
    padding-top: .8rem;
    display: flex;
    gap: .5rem;
    overflow-x: auto;
    scrollbar-width: thin;
  }

  .page-faq .faq-index-list li {
    flex: none;
  }

  .page-faq .faq-index-link {
    margin-left: 0;
    padding: .45rem .95rem;
    border: 1px solid var(--c-line);
    border-radius: 999px;
    white-space: nowrap;
    font-size: .86rem;
  }

  .page-faq .faq-index-no {
    display: none;
  }

  .page-faq .faq-index-tip {
    margin-top: .75rem;
  }

  .page-faq .faq-cta {
    align-items: flex-start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-index {
    position: sticky;
    top: 2rem;
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
  }

  .page-faq .faq-flow-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -.9rem;
    width: .9rem;
    height: 1px;
    background: linear-gradient(90deg, var(--c-violet), transparent);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-a {
    animation: none;
  }

  .page-faq .faq-item,
  .page-faq .faq-mark,
  .page-faq .faq-mark::after,
  .page-faq .faq-badge::after,
  .page-faq .faq-index-link {
    transition: none;
  }
}