.page-faq {
  --faq-sticky: 96px;
  --faq-line: rgba(34, 68, 58, 0.85);
  background: var(--ink);
  color: var(--paper);
}

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

.page-faq .mono {
  font-family: var(--ff-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(26px, 6vw, 60px) 0 clamp(30px, 5vw, 58px);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  opacity: 0.42;
  filter: grayscale(0.35) contrast(1.08);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(7, 16, 14, 0.62) 0%, rgba(7, 16, 14, 0.88) 58%, var(--ink) 100%),
    repeating-linear-gradient(118deg, rgba(39, 245, 200, 0.06) 0 1px, transparent 1px 16px);
}

.page-faq .faq-hero-inner {
  position: relative;
}

.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 18px;
}

.page-faq .crumbs a {
  color: var(--cyan);
  text-decoration: none;
}

.page-faq .crumbs a:hover {
  text-decoration: underline;
}

.page-faq .faq-hero .eyebrow {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 14px;
}

.page-faq h1 {
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: clamp(32px, 8vw, 74px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
  max-width: 16ch;
  color: var(--white);
  text-shadow: 4px 4px 0 rgba(0, 0, 0, 0.55);
}

.page-faq .faq-hero .lede {
  max-width: 62ch;
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.75;
  color: rgba(233, 245, 239, 0.84);
  margin: 0 0 26px;
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  background: rgba(13, 27, 24, 0.82);
  box-shadow: var(--shadow-hard);
  max-width: 720px;
}

.page-faq .faq-jump-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  background: rgba(20, 48, 41, 0.55);
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.page-faq .faq-jump-item .mono {
  font-size: 11px;
  color: var(--amber);
}

.page-faq .faq-jump-item:hover,
.page-faq .faq-jump-item:focus-visible {
  border-color: var(--cyan);
  background: rgba(39, 245, 200, 0.12);
  color: var(--cyan);
}

.page-faq .faq-hero-stats {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  max-width: 720px;
}

.page-faq .faq-hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 12px;
  border-left: 2px solid var(--panel);
}

.page-faq .faq-hero-stats .mono {
  font-size: 26px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.page-faq .faq-hero-stats li span:last-child {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  padding: clamp(30px, 5vw, 64px) 0 clamp(40px, 6vw, 80px);
}

.page-faq .faq-index-title {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 12px;
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 12px;
  border-left: 2px solid transparent;
  color: rgba(233, 245, 239, 0.82);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-index-list .mono {
  font-size: 11px;
  color: var(--amber);
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  border-left-color: var(--cyan);
  background: rgba(39, 245, 200, 0.08);
  color: var(--cyan);
}

.page-faq .faq-index-card {
  margin-top: 22px;
  border: 1px solid var(--faq-line);
  background: var(--panel-2);
  box-shadow: var(--shadow-hard);
  padding: 8px;
}

.page-faq .faq-index-card img {
  width: 100%;
  object-fit: cover;
}

.page-faq .faq-index-card .media-caption {
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted);
  margin: 10px 4px 4px;
}

/* ---------- 问答组 ---------- */
.page-faq .faq-group {
  margin: 0 0 clamp(34px, 4vw, 52px);
  scroll-margin-top: calc(var(--faq-sticky) + 12px);
}

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

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 12px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--panel);
  margin-bottom: 4px;
}

.page-faq .faq-group-idx {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  background: var(--amber);
  padding: 3px 7px;
  line-height: 1;
}

.page-faq .faq-group-head h2 {
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(21px, 3.4vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--white);
}

.page-faq .faq-group-head p {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-group--member .faq-group-head {
  border-bottom-color: rgba(255, 79, 135, 0.4);
}

.page-faq .faq-group--member .faq-group-head h2 {
  color: #FFD9E5;
}

.page-faq .faq-group--member .tag-magenta {
  display: inline-block;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  color: var(--ink);
  background: var(--magenta);
  margin-right: 6px;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-line);
  background: rgba(13, 27, 24, 0.4);
  transition: background 0.18s ease, box-shadow 0.18s ease;
}

.page-faq .faq-item[open] {
  background: rgba(20, 48, 41, 0.55);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 12px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
}

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

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

.page-faq .faq-item > summary:hover .faq-q-text {
  color: var(--cyan);
}

.page-faq .faq-q-idx {
  flex: 0 0 auto;
  font-size: 11px;
  font-weight: 700;
  color: var(--amber);
  padding-top: 4px;
  letter-spacing: 0.06em;
}

.page-faq .faq-q-text {
  flex: 1 1 auto;
  font-weight: 500;
  transition: color 0.18s ease;
}

.page-faq .faq-q-mark {
  position: relative;
  flex: 0 0 16px;
  width: 16px;
  height: 16px;
  margin-top: 5px;
}

.page-faq .faq-q-mark::before,
.page-faq .faq-q-mark::after {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
  background: var(--cyan);
  transition: transform 0.18s ease, background 0.18s ease;
}

.page-faq .faq-q-mark::after {
  transform: rotate(90deg);
}

.page-faq .faq-item[open] .faq-q-mark::after {
  transform: rotate(0deg);
}

.page-faq .faq-item[open] .faq-q-mark::before,
.page-faq .faq-item[open] .faq-q-mark::after {
  background: var(--amber);
}

.page-faq .faq-a {
  padding: 0 12px 18px 46px;
}

.page-faq .faq-a p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(233, 245, 239, 0.78);
}

/* ---------- 联系前准备 ---------- */
.page-faq .faq-prep {
  padding: 0 0 clamp(40px, 6vw, 84px);
}

.page-faq .faq-prep-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid var(--faq-line);
  background:
    linear-gradient(140deg, var(--panel) 0%, var(--ink-2) 62%, var(--wine) 160%),
    repeating-linear-gradient(60deg, rgba(255, 178, 62, 0.05) 0 1px, transparent 1px 18px);
  box-shadow: var(--shadow-hard);
  border-top: 3px solid var(--cyan);
}

.page-faq .faq-prep-copy .eyebrow {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 12px;
}

.page-faq .faq-prep-copy h2 {
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.18;
  margin: 0 0 12px;
  color: var(--white);
}

.page-faq .faq-prep-copy p {
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(233, 245, 239, 0.78);
  margin: 0 0 20px;
  max-width: 44ch;
}

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

.page-faq .faq-prep-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px 12px;
  padding: 13px 0;
  border-top: 1px solid rgba(39, 245, 200, 0.16);
}

.page-faq .faq-prep-list li:last-child {
  border-bottom: 1px solid rgba(39, 245, 200, 0.16);
}

.page-faq .faq-prep-list .mono {
  font-size: 12px;
  color: var(--cyan);
  padding-top: 2px;
}

.page-faq .faq-prep-list strong {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

.page-faq .faq-prep-list p {
  grid-column: 2;
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-prep-note {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
}

.page-faq .faq-prep-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(39, 245, 200, 0.4);
}

.page-faq .faq-prep-note a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-item > summary {
    padding: 18px 18px;
    font-size: 16px;
  }

  .page-faq .faq-a {
    padding: 0 18px 20px 58px;
  }

  .page-faq .faq-prep-panel {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 290px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-sticky);
  }

  .page-faq .faq-index-card {
    margin-top: 26px;
  }

  .page-faq .faq-jump {
    max-width: none;
    width: fit-content;
  }
}

已在上方输出。