.page-faq {
  --faq-index-w: 236px;
  --faq-gap: 52px;
  position: relative;
  background:
    radial-gradient(1100px 560px at 82% -8%, rgba(232, 185, 106, 0.11), transparent 62%),
    radial-gradient(880px 520px at 4% 6%, rgba(63, 224, 208, 0.07), transparent 60%),
    var(--ink);
  color: var(--cream);
  font-family: var(--font-body);
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 46px 0 42px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero-tex {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.3;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 92%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 92%);
}

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

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 880px;
}

.page-faq .faq-title {
  margin: 18px 0 0;
  font-size: clamp(29px, 6.4vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.page-faq .faq-lede {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--stone);
}

.page-faq .faq-body {
  padding: 44px 0 76px;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}

/* ---------- 左侧索引 ---------- */

.page-faq .faq-index {
  align-self: start;
}

.page-faq .faq-index-label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--stone);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.page-faq .faq-index-list li {
  min-width: 0;
}

.page-faq .faq-index-link {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 11px 12px 11px 13px;
  border-left: 3px solid transparent;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--stone);
  font-size: 14.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-left-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-index-link .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  color: var(--cream);
  border-left-color: var(--gold);
  background-color: var(--glass);
}

.page-faq .faq-index-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-index-foot {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--stone);
}

.page-faq .faq-index-foot a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-index-foot a:hover {
  color: var(--gold-light);
}

/* ---------- 右侧内容 ---------- */

.page-faq .faq-stage {
  display: grid;
  gap: 52px;
  min-width: 0;
}

.page-faq .faq-block {
  scroll-margin-top: 108px;
  min-width: 0;
}

.page-faq .faq-block-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 16px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-strong);
  margin-bottom: 10px;
}

.page-faq .faq-block-num {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-faq .faq-block-title {
  margin: 0;
  font-size: clamp(19px, 2.7vw, 25px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--cream);
}

/* ---------- 两步路径 ---------- */

.page-faq .path-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 22px 0 26px;
}

.page-faq .path-step {
  padding: 22px 22px 22px 24px;
  background: var(--glass);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.page-faq .path-k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--cyan);
}

.page-faq .path-h {
  margin: 10px 0 8px;
  font-size: 17.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--cream);
}

.page-faq .path-p {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--stone);
}

.page-faq .path-p a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .path-p a:hover {
  color: var(--gold-light);
}

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

.page-faq .path-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-faq .path-figure .media-frame-caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--stone);
}

/* ---------- 折叠问答 ---------- */

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

.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 112px;
  transition: background-color var(--dur) var(--ease);
}

.page-faq .faq-item:target {
  border-color: var(--line-strong);
  background-color: rgba(232, 185, 106, 0.05);
}

.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 22px;
  gap: 14px;
  align-items: center;
  padding: 18px 6px;
  cursor: pointer;
  list-style: none;
  color: var(--cream);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.55;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

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

.page-faq .faq-item summary::marker {
  content: "";
}

.page-faq .faq-item summary:hover {
  background-color: var(--glass);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .faq-num {
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--stone);
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-qtext {
  min-width: 0;
}

.page-faq .faq-mark {
  position: relative;
  width: 14px;
  height: 14px;
  justify-self: end;
}

.page-faq .faq-mark::before,
.page-faq .faq-mark::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-faq .faq-mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .faq-mark::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-faq .faq-item[open] > summary {
  color: var(--gold-light);
}

.page-faq .faq-item[open] > summary .faq-num {
  color: var(--cyan);
}

.page-faq .faq-item[open] .faq-mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-a {
  padding: 0 6px 22px 66px;
  color: var(--stone);
  font-size: 16px;
  line-height: 1.85;
}

.page-faq .faq-a p {
  margin: 0;
  max-width: 62ch;
}

.page-faq .faq-a a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-a a:hover {
  color: var(--gold-light);
}

@keyframes faqFadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-item[open] .faq-a {
  animation: faqFadeIn 260ms var(--ease) both;
}

/* ---------- 人工协助 ---------- */

.page-faq .help-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 22px 0 0;
}

.page-faq .help-card {
  padding: 22px;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-faq .help-card-label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.26em;
  color: var(--cyan);
}

.page-faq .help-row {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .help-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .help-k {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-faq .help-v {
  font-size: 15px;
  line-height: 1.65;
  color: var(--cream);
  overflow-wrap: anywhere;
}

.page-faq .help-note {
  margin: 18px 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--cyan);
  background: var(--glass);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--stone);
}

.page-faq .help-cta {
  margin: 24px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-faq .path-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 20px;
  }

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

@media (min-width: 920px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: var(--faq-gap);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 88px;
  }

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

  .page-faq .path-step:nth-child(odd) {
    transform: translateX(-10px);
  }

  .page-faq .path-step:nth-child(even) {
    transform: translateX(10px);
  }

  .page-faq .path-grid {
    padding: 0 12px;
  }
}

@media (max-width: 600px) {
  .page-faq .faq-hero {
    padding: 32px 0 30px;
  }

  .page-faq .faq-body {
    padding: 32px 0 56px;
  }

  .page-faq .faq-stage {
    gap: 42px;
  }

  .page-faq .faq-item summary {
    grid-template-columns: 34px minmax(0, 1fr) 16px;
    gap: 10px;
    padding: 15px 4px;
    font-size: 15.5px;
  }

  .page-faq .faq-num {
    font-size: 19px;
  }

  .page-faq .faq-a {
    padding: 0 4px 20px 48px;
    font-size: 15px;
  }

  .page-faq .path-step {
    padding: 18px 16px 18px 18px;
  }

  .page-faq .help-card {
    padding: 18px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-a {
    animation: none;
  }

  .page-faq .path-step {
    transform: none !important;
  }

  .page-faq .faq-item,
  .page-faq .faq-index-link,
  .page-faq .faq-num,
  .page-faq .faq-mark::before,
  .page-faq .faq-mark::after {
    transition: none;
  }
}