.page-faq {
  --faq-line: rgba(231, 195, 154, .18);
  --faq-paper-line: rgba(16, 18, 22, .12);
  --faq-card: rgba(22, 32, 74, .62);
  overflow-wrap: break-word;
}

.page-faq .crumbs {
  padding: 18px 0 4px;
}

.page-faq .faq-h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 5.4vw, 40px);
  line-height: 1.18;
  letter-spacing: -.01em;
  margin: 8px 0 14px;
  color: var(--stone-white);
  max-width: 20em;
}

.page-faq .prose {
  max-width: 38em;
  margin: 0 0 22px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 8px 0 0;
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  gap: 18px;
  padding: 40px 20px 30px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(122, 107, 255, .18), transparent 60%),
    linear-gradient(158deg, rgba(29, 42, 94, .9), rgba(14, 22, 51, .55));
  overflow: hidden;
}

.page-faq .faq-hero__inner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 10px;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 14px);
  pointer-events: none;
}

.page-faq .faq-hero__inner::after {
  content: "";
  position: absolute;
  top: 34px;
  bottom: 30px;
  left: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--wood), var(--cyan));
  border-radius: 0 3px 3px 0;
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 8.2vw, 60px);
  line-height: 1.1;
  letter-spacing: -.015em;
  color: var(--stone-white);
  margin: 0;
  max-width: 16em;
}

.page-faq .faq-hero__lede {
  margin: 0;
  color: rgba(244, 241, 234, .82);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-hero__facts {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: 6px 0 0;
  padding: 18px 0 0;
  border-top: 1px dashed var(--faq-line);
}

.page-faq .faq-fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-faq .faq-fact__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 26px;
  line-height: 1;
  color: var(--wood-hi);
}

.page-faq .faq-fact__num.mono {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--gold);
}

.page-faq .faq-fact__txt {
  font-size: 13px;
  line-height: 1.5;
  color: var(--stone-gray);
}

/* ---------- 结算三步 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: step;
}

.page-faq .step-card {
  position: relative;
  padding: 22px 20px 20px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background: var(--faq-card);
  display: grid;
  gap: 10px;
}

.page-faq .step-card:nth-child(2) {
  border-color: rgba(56, 242, 208, .3);
  background: linear-gradient(160deg, rgba(22, 32, 74, .9), rgba(14, 22, 51, .6));
}

.page-faq .step-card__no {
  font-size: 34px;
  line-height: 1;
  color: var(--wood-hi);
  letter-spacing: .04em;
}

.page-faq .step-card:nth-child(3) .step-card__no {
  color: var(--cyan);
}

.page-faq .step-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.35;
  color: var(--stone-white);
}

.page-faq .step-card__txt {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244, 241, 234, .78);
}

.page-faq .step-card__eg {
  margin: 0;
  padding: 10px 12px;
  font-size: 13.5px;
  line-height: 1.7;
  font-family: var(--font-mono);
  color: var(--wood-hi);
  background: rgba(14, 22, 51, .6);
  border-left: 2px solid var(--wood);
  border-radius: 0 8px 8px 0;
}

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

/* ---------- 问答 ---------- */
.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
}

.page-faq .filter-btn[aria-pressed="true"] {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .search-desk {
  margin: 0 0 20px;
}

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

.page-faq .qa {
  border: 1px solid var(--faq-line);
  border-radius: 12px;
  background: rgba(14, 22, 51, .5);
  transition: border-color .24s var(--ease), background-color .24s var(--ease);
}

.page-faq .qa[open] {
  border-color: rgba(56, 242, 208, .34);
  background: rgba(22, 32, 74, .72);
}

.page-faq .qa__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  line-height: 1.45;
}

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

.page-faq .qa__q {
  font-weight: 600;
  font-size: 15.5px;
  color: var(--stone-white);
  min-width: 0;
}

.page-faq .qa__q::before {
  content: "";
  display: inline-block;
  width: 3px;
  height: 13px;
  margin-right: 10px;
  vertical-align: -2px;
  background: var(--wood);
  border-radius: 2px;
  transition: background-color .2s var(--ease), height .2s var(--ease);
}

.page-faq .qa[open] .qa__q::before {
  background: var(--cyan);
  height: 18px;
}

.page-faq .qa__head .tag {
  flex: none;
  font-size: 12px;
  letter-spacing: .06em;
}

.page-faq .qa__body {
  margin: 0 12px 12px;
  padding: 14px 16px;
  border-radius: 10px;
  background: var(--stone-white);
  color: var(--stone-ink);
}

.page-faq .qa__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--stone-ink);
}

/* ---------- 快捷收藏 ---------- */
.page-faq .saved-grid {
  display: grid;
  gap: 24px;
}

.page-faq .saved-figure {
  margin: 0;
}

.page-faq .saved-sub {
  margin: 24px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--wood-hi);
}

.page-faq .saved-tips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .saved-tips li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(244, 241, 234, .8);
  padding: 10px 12px;
  border: 1px dashed var(--faq-line);
  border-radius: 10px;
}

.page-faq .saved-tips .mono {
  color: var(--gold);
  flex: none;
}

.page-faq .saved-link {
  margin: 18px 0 0;
  font-size: 15px;
}

.page-faq .saved-link a,
.page-faq .scene__link,
.page-faq .scene-foot a,
.page-faq .version-box__link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 208, .4);
  padding-bottom: 2px;
}

.page-faq .saved-link a:hover,
.page-faq .scene__link:hover,
.page-faq .scene-foot a:hover,
.page-faq .version-box__link a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 场景 ---------- */
.page-faq .scene-grid {
  display: grid;
  gap: 14px;
}

.page-faq .scene {
  padding: 20px 18px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background: linear-gradient(170deg, rgba(22, 32, 74, .8), rgba(14, 22, 51, .48));
  display: grid;
  gap: 10px;
  align-content: start;
  min-width: 0;
}

.page-faq .scene__idx {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--stone-gray);
}

.page-faq .scene__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.35;
  color: var(--stone-white);
}

.page-faq .scene__txt {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 241, 234, .78);
}

.page-faq .scene__link {
  justify-self: start;
  font-size: 14px;
}

.page-faq .scene-foot {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone-gray);
}

/* ---------- 移动端 ---------- */
.page-faq .mobile-card {
  padding: 20px 18px;
  height: 100%;
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-faq .mobile-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16.5px;
  color: var(--cyan);
}

.page-faq .mobile-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 241, 234, .78);
}

/* ---------- 版本 ---------- */
.page-faq .version-box {
  display: grid;
  gap: 20px;
  padding: 24px 20px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background:
    radial-gradient(90% 80% at 0% 100%, rgba(201, 138, 75, .16), transparent 62%),
    var(--ink-1);
}

.page-faq .version-box__main .prose {
  margin-bottom: 16px;
}

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

.page-faq .version-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(244, 241, 234, .82);
}

.page-faq .version-list__dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  transform: translateY(-1px);
}

.page-faq .version-list .mono {
  color: var(--gold);
}

.page-faq .version-box__side {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 18px 16px;
  border: 1px dashed var(--faq-line);
  border-radius: 12px;
  background: rgba(14, 22, 51, .55);
}

.page-faq .version-box__num {
  margin: 0;
  font-size: clamp(30px, 9vw, 46px);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: .02em;
}

.page-faq .version-box__side .btn {
  justify-self: start;
}

.page-faq .version-box__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone-gray);
}

.page-faq .version-box__link {
  margin: 4px 0 0;
  font-size: 14px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__inner {
    padding: 52px 40px 38px;
  }

  .page-faq .faq-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .step-card {
    padding: 26px 22px 24px;
  }

  .page-faq .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .qa__head {
    padding: 16px 20px;
  }

  .page-faq .qa__body {
    margin: 0 16px 16px;
    padding: 16px 20px;
  }

  .page-faq .version-box {
    grid-template-columns: minmax(0, 1.6fr) minmax(240px, .8fr);
    padding: 30px 28px;
    gap: 28px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero__inner {
    padding: 60px 52px 44px;
    gap: 22px;
  }

  .page-faq .saved-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, .75fr);
    gap: 34px;
    align-items: start;
  }

  .page-faq .step-card:nth-child(2) {
    margin-top: 22px;
  }

  .page-faq .step-card:nth-child(3) {
    margin-top: -14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__q::before {
    transition: none;
  }
}