.page-faq {
  padding-block: 26px 88px;
}

.page-faq .breadcrumbs {
  margin-bottom: 20px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-bottom: 40px;
  padding: 34px 20px 30px;
  border-radius: var(--radius);
  background: var(--bg-stand);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -42%;
  right: -12%;
  width: 82%;
  height: 195%;
  z-index: -1;
  background: linear-gradient(160deg, rgba(43, 230, 200, 0.30), rgba(43, 230, 200, 0) 64%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 60% 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -12%;
  bottom: -38%;
  width: 62%;
  height: 96%;
  z-index: -1;
  background: radial-gradient(closest-side, rgba(255, 107, 74, 0.30), transparent 74%);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 14px;
  max-width: 22ch;
  font-size: clamp(1.70rem, 6.4vw, 2.85rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .faq-hero__lead {
  max-width: 62ch;
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-fact__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 4.6vw, 2rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--mint);
}

.page-faq .faq-fact--coral .faq-fact__value {
  color: var(--coral);
}

.page-faq .faq-fact__label {
  display: block;
  margin-top: 8px;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(22, 48, 79, 0.55);
  color: var(--text);
  font-size: 0.84rem;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--mint);
  color: var(--mint);
  background: rgba(43, 230, 200, 0.10);
  outline: none;
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 26px;
}

.page-faq .faq-side__label {
  margin: 0 0 14px;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-faq .faq-side__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-side__link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 13px;
  border-left: 2px solid transparent;
  border-radius: 12px;
  color: var(--muted);
  font-size: 0.9rem;
  white-space: nowrap;
  text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible {
  color: var(--text);
  background: rgba(22, 48, 79, 0.62);
  border-left-color: var(--mint);
  outline: none;
}

.page-faq .faq-side__dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--divider);
  box-shadow: inset 0 0 0 1px var(--line);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-side__link:hover .faq-side__dot,
.page-faq .faq-side__link:focus-visible .faq-side__dot {
  background: var(--mint);
  box-shadow: 0 0 10px rgba(43, 230, 200, 0.85);
}

.page-faq .faq-side__num {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--mint);
}

/* ---------- 主题区块 ---------- */
.page-faq .faq-topic {
  margin-bottom: 44px;
  scroll-margin-top: calc(var(--top-h) + 22px);
}

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

.page-faq .faq-topic__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-topic__num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
  color: var(--coral);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-topic__head h2 {
  margin: 0;
  font-size: clamp(1.22rem, 4vw, 1.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .faq-topic__sub {
  flex: 1 1 220px;
  min-width: 0;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-item {
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-left: 3px solid transparent;
  border-radius: 14px;
  background: var(--bg-stand);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.page-faq .faq-item[open] {
  border-left-color: var(--mint);
  background: linear-gradient(180deg, rgba(22, 48, 79, 0.92), rgba(14, 33, 56, 0.92));
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 17px 18px;
  list-style: none;
  cursor: pointer;
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.55;
}

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

.page-faq .faq-item > summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1;
  color: var(--mint);
}

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

.page-faq .faq-item > summary:focus-visible {
  outline: none;
  box-shadow: var(--focus);
  border-radius: 12px;
}

.page-faq .faq-item__body {
  padding: 0 18px 22px;
}

.page-faq .faq-item__body p {
  margin: 0 0 12px;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--text);
}

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

.page-faq .faq-item__body a {
  color: var(--mint);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__body a:hover,
.page-faq .faq-item__body a:focus-visible {
  color: var(--mint-soft);
}

.page-faq .faq-verdict {
  padding-left: 14px;
  border-left: 2px solid var(--coral);
  font-weight: 600;
}

/* ---------- 内嵌数据条 ---------- */
.page-faq .faq-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  margin: 18px 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: var(--line);
}

.page-faq .faq-metric {
  padding: 14px 16px;
  background: rgba(7, 20, 38, 0.9);
}

.page-faq .faq-metric__value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--mint);
}

.page-faq .faq-metric--coral .faq-metric__value {
  color: var(--coral);
}

.page-faq .faq-metric__label {
  display: block;
  margin-top: 7px;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 内嵌图示 ---------- */
.page-faq .media-frame {
  margin: 18px 0 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: rgba(22, 48, 79, 0.5);
}

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

.page-faq .media-frame__caption {
  padding: 10px 14px;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 选档收尾 ---------- */
.page-faq .faq-pick {
  display: grid;
  gap: 20px;
  padding: 26px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 107, 74, 0.18), rgba(43, 230, 200, 0.12)),
    var(--bg-stand);
}

.page-faq .faq-pick h2 {
  margin: 10px 0 12px;
  font-size: clamp(1.12rem, 3.6vw, 1.45rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .faq-pick p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--muted);
}

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

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-faq {
    padding-block: 34px 104px;
  }

  .page-faq .faq-hero {
    padding: 52px 44px 44px;
  }

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

  .page-faq .faq-layout {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--top-h) + 26px);
  }

  .page-faq .faq-side__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-item > summary {
    padding: 19px 24px;
    font-size: 1.04rem;
  }

  .page-faq .faq-item__body {
    padding: 0 24px 26px;
  }

  .page-faq .faq-pick {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 34px 36px;
  }

  .page-faq .faq-pick__actions {
    flex-direction: column;
  }
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 640px) {
  .page-faq .faq-hero {
    padding: 28px 16px 24px;
  }

  .page-faq .faq-hero h1 {
    max-width: none;
  }

  .page-faq .faq-jump a {
    font-size: 0.8rem;
    padding: 7px 12px;
  }

  .page-faq .faq-topic__num {
    font-size: 1.2rem;
  }

  .page-faq .faq-item > summary {
    padding: 15px 14px;
    gap: 12px;
    font-size: 0.96rem;
  }

  .page-faq .faq-item__body {
    padding: 0 14px 18px;
  }

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

  .page-faq .faq-metric {
    padding: 12px 13px;
  }

  .page-faq .faq-metric__value {
    font-size: 1.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-jump a,
  .page-faq .faq-side__link,
  .page-faq .faq-side__dot {
    transition: none;
  }
}