.page-faq {
  display: block;
  overflow-wrap: break-word;
}

/* ── 面包屑 ── */
.page-faq .crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--grid-400);
}

.page-faq .crumb a {
  color: var(--grid-400);
  text-decoration: none;
}

.page-faq .crumb a:hover,
.page-faq .crumb a:focus-visible {
  color: var(--coral-700);
}

/* ── 首屏 ── */
.page-faq .faq-hero {
  position: relative;
  margin-top: 26px;
  padding: 30px 22px 32px;
  overflow: hidden;
  border-radius: 2px;
  color: var(--paper-50);
  background:
    radial-gradient(120% 95% at 88% 6%, rgba(47, 216, 198, 0.2) 0%, rgba(47, 216, 198, 0) 58%),
    linear-gradient(150deg, var(--deep-900) 0%, var(--deep-700) 62%, var(--indigo-600) 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.65;
  background-image:
    repeating-linear-gradient(to right, rgba(159, 242, 233, 0.14) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(to bottom, rgba(159, 242, 233, 0.1) 0 1px, transparent 1px 44px);
}

.page-faq .faq-hero > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan-200);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(27px, 7vw, 46px);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.page-faq .faq-hero .lead {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 247, 246, 0.86);
}

.page-faq .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

/* ── 章节头 ── */
.page-faq .section {
  margin-top: 52px;
}

.page-faq .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--mist-200);
}

.page-faq .section-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--coral-700);
}

.page-faq .section-title {
  margin: 0;
  font-size: clamp(20px, 4.6vw, 27px);
  line-height: 1.32;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

/* ── 问答组 ── */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--mist-200);
  border-radius: 2px;
  background: #ffffff;
  scroll-margin-top: calc(var(--top-h) + 22px);
  transition: border-color 0.22s var(--ease-out), box-shadow 0.22s var(--ease-out);
}

.page-faq .faq-item:target {
  border-color: var(--coral-500);
  box-shadow: 5px 5px 0 rgba(217, 230, 234, 0.9), 0 0 0 2px rgba(255, 107, 74, 0.16);
}

.page-faq .faq-item .expander-trigger {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 16px;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  text-align: left;
  color: var(--ink-900);
  cursor: pointer;
  transition: color 0.22s var(--ease-out);
}

.page-faq .faq-item .expander-trigger:hover {
  color: var(--coral-700);
}

.page-faq .faq-q-no {
  flex: 0 0 auto;
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.08em;
  color: var(--grid-400);
  transition: color 0.22s var(--ease-out);
}

.page-faq .faq-item[data-open] .faq-q-no {
  color: var(--coral-700);
}

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

.page-faq .faq-item .expander-panel {
  padding: 2px 16px 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--deep-700);
}

.page-faq .faq-verdict {
  margin: 0 0 14px;
  padding: 11px 14px;
  border-left: 3px solid var(--cyan-400);
  background: var(--paper-50);
  font-size: 14px;
  line-height: 1.7;
  font-weight: 600;
  color: var(--deep-700);
}

.page-faq .faq-steps {
  counter-reset: faqstep;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps li {
  position: relative;
  counter-increment: faqstep;
  padding-left: 30px;
  margin-bottom: 9px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--deep-700);
}

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

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--coral-700);
}

.page-faq .faq-extra {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--mist-200);
  font-size: 14px;
  line-height: 1.7;
  color: var(--grid-400);
}

.page-faq .faq-link {
  color: var(--coral-700);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color 0.2s var(--ease-out);
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  color: var(--deep-900);
}

/* ── 图文错位布局 ── */
.page-faq .split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-faq .split-body {
  min-width: 0;
}

.page-faq .faq-shot {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--mist-200);
  background: var(--deep-700);
}

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

.page-faq .faq-shot .figure-caption {
  padding: 9px 12px;
  border-top: 1px solid var(--mist-200);
  background: #ffffff;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--grid-400);
}

/* ── 两栏说明 ── */
.page-faq .lane-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 18px;
}

.page-faq .lane {
  padding: 16px;
  border: 1px solid var(--mist-200);
  background: #ffffff;
}

.page-faq .lane-discover {
  border-top: 3px solid var(--cyan-400);
}

.page-faq .lane-mine {
  border-top: 3px solid var(--indigo-600);
}

.page-faq .lane-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.page-faq .lane-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-faq .lane-count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--grid-400);
}

.page-faq .lane-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--deep-700);
}

/* ── 关键词索引 ── */
.page-faq .kw-wrap {
  padding: 20px;
  border: 1px solid var(--mist-200);
  background: var(--paper-50);
}

.page-faq .kw-list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-faq .kw-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px;
  border: 1px solid var(--mist-200);
  background: #ffffff;
  font-size: 13.5px;
  line-height: 1.4;
  color: var(--deep-700);
  text-decoration: none;
  transition: border-color 0.2s var(--ease-out), color 0.2s var(--ease-out), transform 0.2s var(--ease-out);
}

.page-faq .kw-link::before {
  content: "→";
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--indigo-600);
}

.page-faq .kw-link:hover,
.page-faq .kw-link:focus-visible {
  border-color: var(--coral-500);
  color: var(--coral-700);
  transform: translateY(-1px);
}

.page-faq .kw-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--grid-400);
}

/* ── 响应式 ── */
@media (min-width: 620px) {
  .page-faq .lane-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-item .expander-trigger {
    padding: 18px 20px;
  }

  .page-faq .faq-item .expander-panel {
    padding: 2px 20px 20px;
  }
}

@media (min-width: 880px) {
  .page-faq .faq-hero {
    padding: 44px 46px 48px;
  }

  .page-faq .split {
    grid-template-columns: 300px 1fr;
    align-items: start;
    gap: 34px;
  }

  .page-faq .split-reverse {
    grid-template-columns: 1fr 300px;
  }

  .page-faq .section {
    margin-top: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-q-no,
  .page-faq .faq-item .expander-trigger,
  .page-faq .kw-link,
  .page-faq .faq-link {
    transition: none;
  }
}