.page-faq {
  display: block;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--section-space) * 0.75) 0 0;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -25% -10% 0 -10%;
  background:
    radial-gradient(58% 66% at 80% 0%, rgba(53, 224, 212, 0.17), transparent 68%),
    radial-gradient(52% 62% at 6% 96%, rgba(255, 61, 139, 0.13), transparent 70%);
  pointer-events: none;
}

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

.page-faq .faq-hero-title {
  margin: 14px 0 0;
  font-size: clamp(36px, 5.6vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  max-width: 19ch;
}

.page-faq .faq-hero-lede {
  margin-top: 20px;
  max-width: 60ch;
  color: var(--text-400);
}

.page-faq .faq-stats {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-800);
  border: 1px solid var(--line-800);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-stat {
  background: var(--night-900);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 108px;
  justify-content: center;
}

.page-faq .faq-stat .stat-num {
  font-size: 30px;
  line-height: 1;
}

.page-faq .faq-stat .stat-label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-400);
}

/* ---------- 索引 ---------- */

.page-faq .faq-index {
  margin-top: 40px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--line-800);
}

.page-faq .faq-index-row {
  text-decoration: none;
  color: inherit;
  border-bottom: 1px solid var(--line-800);
  transition: background-color 180ms var(--ease);
}

.page-faq .faq-index-row:hover,
.page-faq .faq-index-row:focus-visible {
  background: var(--night-900);
}

.page-faq .faq-index-row:hover .index-label,
.page-faq .faq-index-row:focus-visible .index-label {
  color: var(--accent);
}

/* ---------- 分组骨架 ---------- */

.page-faq .faq-group-section {
  padding-top: var(--section-space);
  padding-bottom: 0;
}

.page-faq .faq-group-section:last-of-type {
  padding-bottom: var(--section-space);
}

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

.page-faq .faq-group-rail {
  display: flex;
  align-items: baseline;
}

.page-faq .faq-group-num {
  font-family: var(--font-mono);
  font-size: 34px;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--accent);
}

.page-faq .faq-group-num::after {
  content: "";
  display: block;
  width: 30px;
  height: 2px;
  margin-top: 10px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

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

.page-faq .faq-group-title {
  margin: 0;
}

.page-faq .faq-group-note {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--text-400);
}

/* ---------- 插图 ---------- */

.page-faq .faq-figure {
  margin: 24px 0 28px;
  border: 1px solid var(--line-800);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--night-900);
}

.page-faq .faq-figure .media-frame {
  border-radius: 0;
}

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

.page-faq .faq-figure .media-caption {
  display: block;
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-400);
  border-top: 1px solid var(--line-800);
}

/* ---------- 手风琴 ---------- */

.page-faq .faq-list {
  border-top: 1px solid var(--line-800);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line-800);
  transition: background-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-faq .faq-trigger {
  width: 100%;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) 16px;
  align-items: center;
  gap: 12px;
  padding: 20px 6px 20px 10px;
  background: none;
  border: 0;
  text-align: left;
  color: var(--text-100);
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: color 180ms var(--ease);
}

.page-faq .faq-q-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--text-400);
  transition: color 180ms var(--ease);
}

.page-faq .faq-q-text {
  display: block;
  min-width: 0;
}

.page-faq .faq-caret {
  justify-self: end;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--text-400);
  border-bottom: 2px solid var(--text-400);
  transform: rotate(45deg);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .faq-trigger:hover {
  color: var(--accent-soft);
}

.page-faq .faq-trigger:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  border-radius: var(--radius-sm);
}

.page-faq .faq-trigger[aria-expanded="true"] .faq-q-num {
  color: var(--accent);
}

.page-faq .faq-trigger[aria-expanded="true"] .faq-caret {
  transform: rotate(-135deg);
  border-color: var(--accent);
}

.page-faq .faq-item:has(.faq-trigger[aria-expanded="true"]) {
  background-color: rgba(26, 36, 64, 0.42);
  box-shadow: inset 2px 0 0 var(--accent);
}

.page-faq .faq-answer {
  padding: 0 24px 22px 52px;
}

.page-faq .faq-answer p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-400);
}

/* ---------- 分流提示条 ---------- */

.page-faq .faq-split {
  margin: var(--section-space) 0 0;
}

.page-faq .faq-split-inner {
  position: relative;
  padding: 32px 22px;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  overflow: hidden;
}

.page-faq .faq-split-inner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(53, 224, 212, 0.16), transparent 44%, rgba(255, 61, 139, 0.16));
  pointer-events: none;
}

.page-faq .faq-split-lead,
.page-faq .faq-split-sub,
.page-faq .faq-paths {
  position: relative;
}

.page-faq .faq-split-lead {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-100);
}

.page-faq .faq-split-sub {
  margin: 8px 0 22px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-400);
}

.page-faq .faq-paths {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-path {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--line-800);
  border-radius: var(--radius);
  background: rgba(5, 7, 14, 0.55);
  text-decoration: none;
  color: inherit;
  transition: border-color 180ms var(--ease), transform 180ms var(--ease), background-color 180ms var(--ease);
}

.page-faq .faq-path:hover,
.page-faq .faq-path:focus-visible {
  border-color: var(--accent);
  background: rgba(11, 18, 36, 0.92);
  transform: translateY(-2px);
}

.page-faq .faq-path-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-100);
}

.page-faq .faq-path-note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-400);
}

/* ---------- 收尾 ---------- */

.page-faq .faq-outro-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding: 32px 24px;
  border: 1px solid var(--line-800);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(26, 36, 64, 0.7), rgba(11, 18, 36, 0.92));
}

.page-faq .faq-outro-title {
  margin: 0 0 14px;
}

.page-faq .faq-outro-text .measure {
  color: var(--text-400);
}

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

/* ---------- 响应式 ---------- */

@media (min-width: 480px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .page-faq .faq-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }

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

  .page-faq .faq-split-inner {
    padding: 36px 32px;
  }

  .page-faq .faq-outro-inner {
    padding: 40px 36px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-group {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 44px;
  }

  .page-faq .faq-group-num {
    font-size: 44px;
  }

  .page-faq .faq-trigger {
    padding: 22px 8px 22px 12px;
    font-size: 17px;
  }

  .page-faq .faq-answer {
    padding: 0 40px 26px 54px;
  }

  .page-faq .faq-answer p {
    font-size: 16px;
  }

  .page-faq .faq-outro-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
    padding: 48px 44px;
  }

  .page-faq .faq-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-paths {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-trigger,
  .page-faq .faq-caret,
  .page-faq .faq-q-num,
  .page-faq .faq-path,
  .page-faq .faq-index-row {
    transition: none;
  }

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