.page-faq {
  --faq-rule: rgba(169, 162, 214, .22);
  --faq-soft: rgba(244, 241, 255, .04);
  display: block;
  color: var(--text);
  max-width: 100%;
}

.page-faq h2 {
  font-family: var(--font-body);
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.24;
  margin: 10px 0 0;
}

.page-faq .breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 26px;
  padding: clamp(26px, 5vw, 52px) 0 clamp(8px, 2vw, 18px);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.2vw, 52px);
  line-height: 1.16;
  letter-spacing: .01em;
  margin: 12px 0 0;
  max-width: 22ch;
}

.page-faq .faq-hero__copy .lede {
  margin-top: 18px;
  max-width: 60ch;
  color: var(--text-dim);
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-hero__stats li {
  flex: 1 1 130px;
  min-width: 0;
  padding: 16px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(155deg, rgba(255, 62, 143, .16), rgba(53, 230, 224, .07));
}

.page-faq .faq-hero__stats li:nth-child(1) { border-color: rgba(255, 62, 143, .55); }
.page-faq .faq-hero__stats li:nth-child(2) { border-color: rgba(184, 255, 60, .5); background: linear-gradient(155deg, rgba(184, 255, 60, .14), rgba(18, 12, 54, .1)); }
.page-faq .faq-hero__stats li:nth-child(3) { border-color: rgba(255, 182, 39, .5); background: linear-gradient(155deg, rgba(255, 182, 39, .14), rgba(18, 12, 54, .1)); }

.page-faq .faq-hero__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text);
}

.page-faq .faq-hero__stats em {
  display: block;
  margin-top: 6px;
  font-style: normal;
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--text-dim);
}

/* ---------- 四类索引 ---------- */
.page-faq .faq-index__head {
  max-width: 62ch;
}

.page-faq .faq-index__note {
  margin-top: 14px;
  color: var(--text-dim);
  font-size: var(--fs-17);
  line-height: 1.75;
}

.page-faq .faq-index__media {
  margin: 28px 0;
}

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

.page-faq .faq-drawers {
  display: grid;
  gap: 16px;
}

.page-faq .faq-drawer {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--ink-800);
  overflow: hidden;
  scroll-margin-top: 130px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-faq .faq-drawer:hover,
.page-faq .faq-drawer:focus-within {
  border-color: var(--magenta);
  box-shadow: 0 0 0 1px rgba(255, 62, 143, .3), 0 18px 40px -24px rgba(255, 62, 143, .9);
}

.page-faq .faq-drawer:target {
  border-color: var(--lime);
  box-shadow: 0 0 0 1px rgba(184, 255, 60, .3);
}

.page-faq .faq-drawer__tab {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 14px;
  row-gap: 3px;
  align-items: center;
  padding: 20px 22px;
  text-decoration: none;
  color: var(--text);
}

.page-faq .faq-drawer__tab:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -3px;
}

.page-faq .faq-drawer__no {
  grid-row: 1 / 3;
  align-self: center;
  font-family: var(--font-mono);
  font-size: var(--fs-28);
  font-weight: 700;
  line-height: 1;
  color: var(--magenta);
}

.page-faq .faq-drawer__name {
  font-size: var(--fs-22);
  font-weight: 800;
  line-height: 1.3;
}

.page-faq .faq-drawer__meta {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--text-dim);
}

.page-faq .faq-drawer__panel {
  display: none;
  padding: 0 22px 22px;
  border-top: 1px solid var(--line-soft);
  margin-top: 2px;
  padding-top: 18px;
}

.page-faq .faq-drawer:target .faq-drawer__panel {
  display: block;
  animation: faq-drawer-drop .26s var(--ease) both;
}

@keyframes faq-drawer-drop {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

.page-faq .faq-drawer__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-drawer__list li {
  position: relative;
  padding-left: 18px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .faq-drawer__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--lime);
}

/* ---------- 换机登录专题 ---------- */
.page-faq .faq-swap {
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(42, 23, 88, .5), rgba(18, 12, 54, .16));
}

.page-faq .faq-swap__grid {
  align-items: start;
}

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

.page-faq .faq-swap__lede {
  margin-top: 16px;
  max-width: 58ch;
  color: var(--text-dim);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 18px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--ink-750);
}

.page-faq .faq-steps__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-17);
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-900);
  background: var(--lime);
  border-radius: 8px;
  padding: 1px 10px;
}

.page-faq .faq-steps h3 {
  margin: 0 0 6px;
  font-size: var(--fs-17);
  font-weight: 800;
  line-height: 1.4;
}

.page-faq .faq-steps p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 规则对照 ---------- */
.page-faq .faq-rules__head {
  max-width: 62ch;
}

.page-faq .faq-rules__note {
  margin-top: 14px;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-compare {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.page-faq .faq-compare__row {
  display: grid;
  gap: 14px;
  padding: 20px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  background: var(--ink-800);
}

.page-faq .faq-compare__row:nth-child(2) { border-left-color: var(--cyan); }
.page-faq .faq-compare__row:nth-child(3) { border-left-color: var(--lime); }

.page-faq .faq-compare__label {
  justify-self: start;
}

.page-faq .faq-compare__k {
  display: block;
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.page-faq .faq-compare__wrong p,
.page-faq .faq-compare__right p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
}

.page-faq .faq-compare__wrong p {
  color: var(--text-dim);
  text-decoration: line-through;
  text-decoration-color: rgba(255, 62, 143, .5);
  text-decoration-thickness: 1px;
}

.page-faq .faq-compare__right p {
  color: var(--text);
}

/* ---------- 高频问答 ---------- */
.page-faq .faq-qa__head {
  max-width: 62ch;
}

.page-faq .faq-qa__note {
  margin-top: 14px;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-qa__list {
  margin-top: 28px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .qa {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .qa > summary {
  position: relative;
  display: block;
  cursor: pointer;
  list-style: none;
  padding: 18px 46px 18px 24px;
  transition: background-color .2s var(--ease);
}

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

.page-faq .qa > summary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 3px;
  border-radius: 2px;
  background: var(--lime);
  opacity: .4;
  transition: opacity .2s var(--ease), box-shadow .2s var(--ease);
}

.page-faq .qa > summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: var(--fs-22);
  line-height: 1;
  color: var(--text-dim);
  transition: color .2s var(--ease);
}

.page-faq .qa:hover > summary,
.page-faq .qa > summary:focus-visible {
  background: var(--faq-soft);
}

.page-faq .qa:hover > summary::before,
.page-faq .qa > summary:focus-visible::before {
  opacity: 1;
  box-shadow: 0 0 14px rgba(184, 255, 60, .7);
}

.page-faq .qa > summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -3px;
}

.page-faq .qa[open] > summary::after {
  content: "–";
  color: var(--lime);
}

.page-faq .qa[open] > summary::before {
  opacity: 1;
  background: var(--magenta);
  box-shadow: 0 0 14px rgba(255, 62, 143, .7);
}

.page-faq .qa__q {
  display: block;
  font-size: var(--fs-17);
  font-weight: 800;
  line-height: 1.5;
  color: var(--text);
}

.page-faq .qa__a {
  display: block;
  margin-top: 6px;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .qa__body {
  padding: 4px 24px 22px;
}

.page-faq .qa__body p {
  margin: 0 0 8px;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--text-dim);
}

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

.page-faq .qa__step {
  display: inline-block;
  min-width: 26px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--lime);
}

/* ---------- 联系区块 ---------- */
.page-faq .faq-help__panel {
  padding: clamp(26px, 5vw, 48px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(140deg, rgba(255, 62, 143, .18), rgba(53, 230, 224, .1) 52%, rgba(184, 255, 60, .1));
}

.page-faq .faq-help__lede {
  margin-top: 16px;
  max-width: 60ch;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--text);
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-help__list li {
  padding: 16px 18px;
  border-radius: var(--radius);
  background: var(--ink-900);
  border: 1px solid var(--line);
}

.page-faq .faq-help__k {
  display: block;
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.page-faq .faq-help__v {
  display: block;
  font-size: var(--fs-17);
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-hero__stats {
    flex-wrap: nowrap;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-drawers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-compare__row {
    grid-template-columns: minmax(0, 150px) minmax(0, 1fr) minmax(0, 1.25fr);
    gap: 20px;
    align-items: start;
  }

  .page-faq .faq-compare__label {
    justify-self: start;
    align-self: start;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: end;
    gap: 48px;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-drawer__tab {
    padding: 18px 18px;
  }

  .page-faq .faq-drawer__panel {
    padding-left: 18px;
    padding-right: 18px;
  }

  .page-faq .qa > summary {
    padding: 16px 40px 16px 18px;
  }

  .page-faq .qa__body {
    padding: 2px 18px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-drawer:target .faq-drawer__panel {
    animation: none;
  }

  .page-faq .faq-drawer,
  .page-faq .qa > summary,
  .page-faq .qa > summary::before,
  .page-faq .qa > summary::after {
    transition: none;
  }
}