.page-faq {
  --faq-gap: 24px;
  --faq-cols: minmax(0, 1fr);
  padding-bottom: 88px;
}

/* ---------- 首屏拼贴 ---------- */
.page-faq .faq-hero {
  display: grid;
  grid-template-columns: var(--faq-cols);
  gap: var(--faq-gap);
  padding: 28px 0 10px;
}

.page-faq .hero-main h1 {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(28px, 5.4vw, 48px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--c-text);
}

.page-faq .hero-main h1::after {
  content: "";
  display: block;
  width: 64px;
  height: 3px;
  margin-top: 20px;
  background: var(--c-cyan);
}

.page-faq .hero-lead {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-faq .hero-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-faq .hero-flow-node {
  padding: 6px 12px;
  border: 1px solid var(--c-line);
  color: var(--c-text);
  background: var(--c-glass);
}

.page-faq .hero-flow-arrow {
  color: var(--c-orange);
}

/* 常见入口面板 */
.page-faq .faq-quick {
  border: 1px solid var(--c-line);
  background: linear-gradient(155deg, rgba(36, 26, 92, 0.6), rgba(11, 38, 53, 0.9));
}

.page-faq .quick-title {
  margin: 0;
  padding: 14px 18px;
  border-bottom: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

.page-faq .quick-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--c-line);
  color: var(--c-text);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .quick-item:last-child {
  border-bottom: 0;
}

.page-faq .quick-item:hover,
.page-faq .quick-item:focus-visible {
  background: var(--c-glass-strong);
  box-shadow: inset 3px 0 0 var(--c-orange);
  color: var(--c-cyan-soft);
}

.page-faq .quick-num {
  grid-row: span 2;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-orange);
}

.page-faq .quick-text {
  font-family: var(--font-cond);
  font-size: 17px;
  line-height: 1.35;
}

.page-faq .quick-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-muted);
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: var(--faq-cols);
  gap: 32px;
  padding-top: 20px;
}

.page-faq .faq-index {
  display: grid;
  gap: 2px;
  align-content: start;
  border-top: 1px solid var(--c-line);
  padding-top: 12px;
}

.page-faq .idx-title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

.page-faq .idx-link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 12px;
  border-left: 3px solid transparent;
  border-bottom: 1px solid var(--c-line);
  color: var(--c-text);
  text-decoration: none;
  font-size: 15px;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .idx-link:hover,
.page-faq .idx-link:focus-visible {
  border-left-color: var(--c-orange);
  background: var(--c-glass);
  color: var(--c-cyan-soft);
}

.page-faq .idx-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-orange);
}

.page-faq .idx-stamp {
  margin: 14px 0 0;
  padding: 10px 12px;
  border: 1px solid var(--c-line);
  background: var(--c-glass);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--c-muted);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding-top: 36px;
  scroll-margin-top: 88px;
}

.page-faq .faq-group:first-child {
  padding-top: 4px;
}

.page-faq .group-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 14px;
  align-items: baseline;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--c-line);
}

.page-faq .group-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--c-orange);
}

.page-faq .faq-group h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--c-text);
}

.page-faq .group-note {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-muted);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 20px 0 4px;
  border: 1px solid var(--c-line);
  background: var(--c-archive);
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-muted);
}

/* ---------- 三步流程 ---------- */
.page-faq .flow {
  display: grid;
  gap: 18px;
  margin: 22px 0 6px;
  padding: 0;
  list-style: none;
}

.page-faq .flow-step {
  position: relative;
  padding: 16px 16px 14px;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-cyan);
  background: var(--c-glass);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .flow-step:hover,
.page-faq .flow-step:focus-within {
  border-left-color: var(--c-orange);
  background: var(--c-glass-strong);
}

.page-faq .flow-no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--c-orange);
}

.page-faq .flow-step strong {
  display: block;
  margin-top: 6px;
  font-family: var(--font-cond);
  font-size: 19px;
  color: var(--c-text);
}

.page-faq .flow-time {
  display: inline-block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-muted);
  opacity: 0.6;
  transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .flow-step:hover .flow-time,
.page-faq .flow-step:focus-within .flow-time {
  opacity: 1;
  color: var(--c-cyan-soft);
}

.page-faq .flow-step p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ---------- 问答抽屉 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--c-line);
}

.page-faq .qa summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
  padding: 16px 2px;
  cursor: pointer;
  list-style: none;
  color: var(--c-text);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .qa summary:hover,
.page-faq .qa summary:focus-visible {
  color: var(--c-cyan-soft);
}

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

.page-faq .qa-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-orange);
  padding-top: 5px;
}

.page-faq .qa-q {
  font-family: var(--font-cond);
  font-size: clamp(17px, 2.3vw, 21px);
  line-height: 1.4;
}

.page-faq .qa-marker {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 5px;
  flex: none;
}

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

.page-faq .qa-marker::before {
  left: 0;
  right: 0;
  top: 8px;
  height: 2px;
}

.page-faq .qa-marker::after {
  top: 0;
  bottom: 0;
  left: 8px;
  width: 2px;
}

.page-faq .qa[open] > summary {
  color: var(--c-cyan-soft);
}

.page-faq .qa[open] .qa-idx {
  color: var(--c-cyan);
}

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

.page-faq .qa-a {
  padding: 0 2px 22px 42px;
  color: var(--c-muted);
}

.page-faq .qa-a p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.78;
}

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

.page-faq .qa-a a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

.page-faq .qa-a a:hover,
.page-faq .qa-a a:focus-visible {
  color: var(--c-cyan-soft);
}

.page-faq .qa-stamps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.page-faq .stamp {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border: 1px solid var(--c-glass-strong);
  border-radius: 999px;
  background: var(--c-glass);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-cyan-soft);
}

/* ---------- 移动端分组：文字与图并排 ---------- */
.page-faq .mobile-split {
  display: grid;
  grid-template-columns: var(--faq-cols);
  gap: 22px;
  margin-top: 4px;
}

.page-faq .mobile-split .faq-figure {
  margin-top: 12px;
}

/* ---------- 联系区 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: var(--faq-cols);
  gap: 28px;
  margin-top: 56px;
  padding-top: 30px;
  border-top: 2px solid var(--c-red);
}

.page-faq .faq-contact h2 {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.32;
  color: var(--c-text);
}

.page-faq .prep-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .prep-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 12px 14px;
  border: 1px solid var(--c-line);
  background: var(--c-glass);
}

.page-faq .prep-no {
  grid-row: span 2;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-orange);
}

.page-faq .prep-list strong {
  font-family: var(--font-cond);
  font-size: 17px;
  font-weight: 600;
  color: var(--c-text);
}

.page-faq .prep-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-muted);
}

.page-faq .contact-card {
  padding: 22px 20px;
  border: 1px solid var(--c-line);
  background: linear-gradient(160deg, rgba(107, 27, 46, 0.42), rgba(11, 38, 53, 0.9));
}

.page-faq .contact-card .label {
  margin: 0 0 16px;
}

.page-faq .contact-row {
  display: grid;
  gap: 4px;
  margin: 0 0 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--c-line);
}

.page-faq .contact-val {
  font-family: var(--font-mono);
  font-size: 15px;
  overflow-wrap: anywhere;
}

.page-faq .contact-val a {
  color: var(--c-cyan);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-faq .contact-val a:hover,
.page-faq .contact-val a:focus-visible {
  color: var(--c-cyan-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .contact-note {
  margin: 0 0 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-faq .flow-step:not(:last-child)::after {
    content: "→";
    position: absolute;
    right: -16px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--c-orange);
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: end;
    padding: 48px 0 16px;
  }

  .page-faq .faq-body {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 52px;
    padding-top: 32px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 28px;
  }

  .page-faq .mobile-split {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 30px;
    align-items: start;
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 48px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-hero {
    padding-top: 58px;
  }

  .page-faq .faq-body {
    grid-template-columns: 288px minmax(0, 1fr);
    gap: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa-marker::before,
  .page-faq .qa-marker::after,
  .page-faq .quick-item,
  .page-faq .idx-link,
  .page-faq .flow-step,
  .page-faq .flow-time,
  .page-faq .qa summary,
  .page-faq .qa-a a {
    transition-duration: 1ms;
  }
}
</final>