.page-faq {
  --faq-accent: var(--neon-cyan);
  --faq-accent-soft: rgba(57, 224, 200, 0.14);
  --faq-accent-line: rgba(57, 224, 200, 0.38);
  --faq-sticky-top: calc(var(--rail-h) + var(--bar-h) + 18px);
}

/* ---------- 首屏框景 ---------- */

.page-faq .faq-hero {
  padding-block: clamp(24px, 5vw, 56px) clamp(16px, 3vw, 32px);
}

.page-faq .faq-hero__frame {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4.5vw, 46px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(57, 224, 200, 0.10), transparent 62%),
    linear-gradient(158deg, var(--panel-lift) 0%, var(--panel-green) 46%, var(--ink-night) 100%);
}

.page-faq .faq-hero__frame::before {
  content: "";
  position: absolute;
  inset: 11px;
  border: 1px solid var(--line-soft);
  border-radius: calc(var(--radius-lg) - 9px);
  pointer-events: none;
}

.page-faq .faq-hero__frame::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 58%;
  height: 3px;
  background: linear-gradient(90deg, var(--faq-accent), transparent);
}

.page-faq .faq-hero__frame .eyebrow,
.page-faq .faq-hero__frame .title-xl,
.page-faq .faq-hero__frame .lead {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__frame .lead {
  margin-top: 14px;
  max-width: 62ch;
}

.page-faq .faq-hero__meta {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-faq .faq-hero__stat {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  padding: 6px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(5, 19, 15, 0.55);
}

/* ---------- 引导条 ---------- */

.page-faq .faq-lede {
  display: grid;
  gap: 20px;
  align-items: center;
  margin-bottom: clamp(24px, 4vw, 40px);
  padding-bottom: clamp(20px, 3vw, 32px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-lede__media {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line);
}

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

.page-faq .faq-lede__text .title-md {
  margin-bottom: 10px;
}

.page-faq .faq-lede__text p {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-lede__hint {
  color: var(--faq-accent);
  font-size: 13px;
  letter-spacing: 0.04em;
}

@media (min-width: 780px) {
  .page-faq .faq-lede {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(24px, 4vw, 44px);
  }
}

/* ---------- 主体布局 ---------- */

.page-faq .faq-layout {
  display: grid;
  gap: 24px;
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(200px, 250px) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-sticky-top);
  }
}

/* ---------- 现象索引 ---------- */

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  text-transform: none;
}

.page-faq .faq-index__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

@media (min-width: 980px) {
  .page-faq .faq-index__nav {
    flex-direction: column;
    align-items: stretch;
  }
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  padding: 10px 17px;
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  color: var(--text-bright);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(10, 33, 26, 0.72);
  transition: border-color 0.22s ease, background 0.22s ease, color 0.22s ease, transform 0.22s ease;
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  border-color: var(--faq-accent-line);
  background: var(--faq-accent-soft);
  color: var(--faq-accent);
  transform: translateY(-1px);
}

.page-faq .faq-index__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
  padding-left: 12px;
  border-left: 2px solid var(--line);
}

/* ---------- 问题分组 ---------- */

.page-faq .faq-group {
  margin-bottom: clamp(28px, 4vw, 44px);
  scroll-margin-top: var(--faq-sticky-top);
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__idx {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--faq-accent);
  padding: 3px 8px;
  border: 1px solid var(--faq-accent-line);
  border-radius: 8px;
  background: var(--faq-accent-soft);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 23px);
  line-height: 1.4;
  color: var(--text-bright);
}

/* ---------- 旧版读法 ---------- */

.page-faq .read-order {
  list-style: none;
  margin: 0 0 20px;
  padding: 16px;
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(140deg, rgba(15, 42, 58, 0.6), rgba(10, 33, 26, 0.85));
}

.page-faq .read-order__item p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-bright);
}

.page-faq .read-order__step {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--neon-violet);
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid rgba(164, 107, 255, 0.4);
  background: rgba(164, 107, 255, 0.12);
}

@media (min-width: 720px) {
  .page-faq .read-order {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    padding: 20px;
  }
}

/* ---------- 问答卡 ---------- */

.page-faq .qa {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(18, 53, 43, 0.55), rgba(10, 33, 26, 0.92));
  overflow: hidden;
  transition: border-color 0.24s ease, box-shadow 0.24s ease, transform 0.24s ease;
}

.page-faq .qa + .qa {
  margin-top: 10px;
}

.page-faq .qa:hover {
  border-color: var(--line-soft);
  transform: translateY(-1px);
}

.page-faq .qa[open] {
  border-color: var(--gold-line);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.38);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text-bright);
}

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

.page-faq .qa__idx {
  flex: none;
  margin-top: 2px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold);
  padding: 3px 7px;
  border: 1px solid var(--gold-line);
  border-radius: 7px;
  background: rgba(216, 180, 90, 0.1);
}

.page-faq .qa__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa__mark {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--faq-accent);
  transform: translate(-50%, -50%);
}

.page-faq .qa__mark::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .qa__mark::after {
  width: 1.5px;
  height: 10px;
  transition: opacity 0.2s ease;
}

.page-faq .qa[open] .qa__mark::after {
  opacity: 0;
}

.page-faq .qa__body {
  margin: 0 18px 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

.page-faq .qa__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-faq .qa__step {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 11px;
  align-items: start;
}

.page-faq .qa__step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-bright);
}

.page-faq .qa__num {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  font-size: 12px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: rgba(5, 19, 15, 0.6);
  color: var(--text-dim);
}

.page-faq .qa__step:nth-child(1) .qa__num {
  color: var(--neon-cyan);
  border-color: rgba(57, 224, 200, 0.42);
  background: rgba(57, 224, 200, 0.14);
}

.page-faq .qa__step:nth-child(2) .qa__num {
  color: var(--neon-violet);
  border-color: rgba(164, 107, 255, 0.42);
  background: rgba(164, 107, 255, 0.14);
}

.page-faq .qa__step:nth-child(3) .qa__num {
  color: var(--gold);
  border-color: var(--gold-line);
  background: rgba(216, 180, 90, 0.14);
}

.page-faq .qa__verdict {
  margin: 15px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--gold-line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--gold-bright);
}

/* ---------- 移动端示意 ---------- */

.page-faq .faq-mobile__media {
  margin: 0 auto 20px;
  max-width: 340px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line);
}

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

@media (min-width: 720px) {
  .page-faq .faq-mobile__media {
    max-width: 420px;
    margin-bottom: 24px;
  }
}

/* ---------- 兜底区块 ---------- */

.page-faq .faq-escape {
  padding-block: clamp(28px, 5vw, 56px);
}

.page-faq .faq-escape__panel {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid var(--gold-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 100% at 0% 0%, rgba(216, 180, 90, 0.12), transparent 58%),
    linear-gradient(160deg, var(--panel-lift), var(--ink-night) 78%);
}

.page-faq .faq-escape__panel::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 1px solid var(--gold-line);
  opacity: 0.5;
  pointer-events: none;
}

.page-faq .faq-escape__panel .title-lg {
  margin: 10px 0 12px;
}

.page-faq .faq-escape__lead {
  margin: 0 0 20px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
}

.page-faq .faq-escape__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-escape__list li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-bright);
}

.page-faq .faq-escape__no {
  display: grid;
  place-items: center;
  width: 40px;
  height: 28px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
  border: 1px solid var(--gold-line);
  border-radius: var(--radius-pill);
  background: rgba(216, 180, 90, 0.1);
}

.page-faq .faq-escape__note {
  margin: 0 0 22px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-dim);
  padding-left: 13px;
  border-left: 2px solid var(--gold-line);
}

.page-faq .faq-escape__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 760px) {
  .page-faq .faq-escape__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-escape__list li {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

/* ---------- 窄屏兜底 ---------- */

@media (max-width: 420px) {
  .page-faq .qa__q {
    padding: 14px 15px;
    font-size: 15.5px;
  }

  .page-faq .qa__body {
    margin: 0 15px 16px;
  }

  .page-faq .faq-chip {
    padding: 9px 14px;
    font-size: 13.5px;
  }

  .page-faq .faq-escape__list li {
    grid-template-columns: 34px minmax(0, 1fr);
  }

  .page-faq .faq-escape__no {
    width: 34px;
  }
}

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

  .page-faq .qa:hover,
  .page-faq .faq-chip:hover,
  .page-faq .faq-chip:focus-visible {
    transform: none;
  }
}