.page-faq {
  background:
    radial-gradient(900px 460px at 88% -8%, rgba(40, 240, 194, .10), transparent 70%),
    var(--ink);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-top: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(36px, 6vw, 76px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(30, 74, 64, .85) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 74, 64, .85) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: .3;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .9), transparent 88%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .9), transparent 88%);
}

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

.page-faq .faq-hero-grid {
  display: grid;
  gap: 28px;
}

.page-faq .faq-hero-copy {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: 4px;
}

.page-faq .faq-hero .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 6.2vw, 3.9rem);
  line-height: 1.04;
  letter-spacing: -.01em;
  max-width: 15em;
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 44ch;
  color: var(--muted);
  font-size: clamp(.94rem, 1.4vw, 1.04rem);
  line-height: 1.85;
}

.page-faq .faq-kpis {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-kpis li {
  background: var(--ink-deep);
  padding: 12px 14px;
  display: grid;
  gap: 2px;
  min-width: 0;
}

.page-faq .faq-kpi-v {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
}

.page-faq .faq-kpi-l {
  font-size: .74rem;
  color: var(--muted);
  line-height: 1.4;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-faq .faq-hero-media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-lift);
}

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

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

  .page-faq .faq-kpis {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding-top: clamp(36px, 5vw, 68px);
  padding-bottom: clamp(48px, 7vw, 92px);
}

.page-faq .faq-layout {
  display: grid;
  gap: 28px;
}

/* ---------- 侧栏索引 ---------- */
.page-faq .faq-index {
  border: 1px solid var(--line);
  background: var(--ink-deep);
  padding: 16px 14px;
}

.page-faq .faq-index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--silver);
}

.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: 9px 10px;
  border-left: 2px solid var(--line);
  color: var(--muted);
  text-decoration: none;
  font-size: .9rem;
  line-height: 1.4;
  transition: color .18s ease, border-color .18s ease, background .18s ease;
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  color: var(--text);
  border-left-color: var(--cyan);
  background: rgba(40, 240, 194, .07);
  outline: none;
}

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

.page-faq .faq-idx {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--blue);
  flex: none;
}

.page-faq .faq-index-foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: .78rem;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 问答组 ---------- */
.page-faq .faq-answers {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 104px;
  margin-bottom: clamp(36px, 5vw, 56px);
}

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

.page-faq .faq-group-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 14px;
}

.page-faq .faq-group-no {
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 600;
  color: var(--orange);
  flex: none;
}

.page-faq .faq-group h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.2vw, 1.95rem);
  line-height: 1.15;
  letter-spacing: -.005em;
}

/* ---------- 手风琴 ---------- */
.page-faq .qa {
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  background: var(--ink-deep);
  margin-bottom: 10px;
  transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.page-faq .qa[open] {
  border-color: var(--line);
  border-left-color: var(--cyan);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-faq .qa summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  font-weight: 500;
  font-size: .97rem;
  line-height: 1.6;
  color: var(--text);
}

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

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

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

.page-faq .qa-no {
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 600;
  color: var(--silver);
  padding-top: 4px;
  flex: none;
}

.page-faq .qa[open] .qa-no {
  color: var(--cyan);
}

.page-faq .qa-q {
  flex: 1;
  min-width: 0;
  transition: color .18s ease;
}

.page-faq .qa-mark {
  position: relative;
  width: 12px;
  height: 12px;
  margin-top: 7px;
  flex: none;
}

.page-faq .qa-mark::before,
.page-faq .qa-mark::after {
  content: "";
  position: absolute;
  background: var(--amber);
  transition: transform .2s ease, background .2s ease;
}

.page-faq .qa-mark::before {
  left: 0;
  top: 5px;
  width: 12px;
  height: 2px;
}

.page-faq .qa-mark::after {
  left: 5px;
  top: 0;
  width: 2px;
  height: 12px;
}

.page-faq .qa[open] .qa-mark::before {
  background: var(--orange);
}

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

.page-faq .qa-body {
  padding: 14px 16px 18px 16px;
  border-top: 1px dashed var(--line);
}

/* ---------- 步骤条 ---------- */
.page-faq .qa-steps {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  counter-reset: qa-step;
  display: grid;
  gap: 12px;
}

.page-faq .qa-steps li {
  position: relative;
  padding-left: 40px;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--text);
}

.page-faq .qa-steps li::before {
  counter-increment: qa-step;
  content: counter(qa-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  width: 28px;
  height: 22px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 600;
  color: var(--ink);
  background: var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% 72%, 76% 100%, 0 100%);
}

/* ---------- 提示句 ---------- */
.page-faq .qa-note {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--line);
  font-size: .86rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 核对清单 ---------- */
.page-faq .qa-checklist {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .qa-checklist li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--text);
}

.page-faq .qa-check-tag {
  flex: none;
  min-width: 44px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: .68rem;
  padding: 2px 6px;
  color: var(--ink);
  background: var(--amber);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 82% 100%, 0 100%);
}

/* ---------- 对比表 ---------- */
.page-faq .qa-table-wrap {
  overflow-x: auto;
  margin-bottom: 12px;
  border: 1px solid var(--line);
  background: var(--ink-deep);
}

.page-faq .qa-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: .86rem;
}

.page-faq .qa-table thead th {
  text-align: left;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--silver);
  background: rgba(30, 74, 64, .45);
  border-bottom: 1px solid var(--line);
}

.page-faq .qa-table tbody th {
  text-align: left;
  padding: 10px 12px;
  font-weight: 500;
  color: var(--blue);
  border-bottom: 1px solid var(--line);
  width: 90px;
}

.page-faq .qa-table td {
  padding: 10px 12px;
  color: var(--text);
  line-height: 1.6;
  border-bottom: 1px solid var(--line);
}

.page-faq .qa-table tbody tr:last-child th,
.page-faq .qa-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .qa-table tbody tr:hover td,
.page-faq .qa-table tbody tr:hover th {
  background: rgba(40, 240, 194, .05);
}

/* ---------- 章节插图 ---------- */
.page-faq .faq-figure {
  margin: 18px 0 0;
  border: 1px solid var(--line);
  background: var(--panel);
}

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

.page-faq .faq-figure .media-caption {
  display: block;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: .78rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ---------- 客服卡片 ---------- */
.page-faq .faq-contact-card {
  margin-top: 18px;
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--orange);
  background: var(--ink-deep);
  box-shadow: var(--shadow-hard);
  display: grid;
  gap: 14px;
}

.page-faq .faq-contact-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -.005em;
}

.page-faq .faq-contact-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-contact-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 12px;
  background: var(--panel);
}

.page-faq .faq-contact-row dt {
  font-size: .76rem;
  color: var(--muted);
  letter-spacing: .04em;
}

.page-faq .faq-contact-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .84rem;
  color: var(--text);
  word-break: break-all;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-contact-note {
  margin: 0;
  font-size: .82rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 底部行动区 ---------- */
.page-faq .faq-cta {
  position: relative;
  padding: clamp(32px, 5vw, 58px) 0;
  background: linear-gradient(115deg, var(--ink-deep), var(--panel) 70%);
  border-top: 1px solid var(--line);
}

.page-faq .faq-cta::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: min(420px, 60%);
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), rgba(40, 240, 194, 0));
}

.page-faq .faq-cta-inner {
  display: grid;
  gap: 22px;
  align-items: center;
}

.page-faq .faq-cta .eyebrow {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--amber);
}

.page-faq .faq-cta h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.6vw, 2.1rem);
  line-height: 1.15;
}

.page-faq .faq-cta-text {
  margin: 0;
  max-width: 52ch;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--muted);
}

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

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    padding: 20px 16px;
  }

  .page-faq .qa-body {
    padding: 16px 22px 20px 54px;
  }

  .page-faq .qa summary {
    padding: 16px 22px;
    font-size: 1rem;
  }

  .page-faq .faq-contact-card {
    padding: 24px 26px;
  }

  .page-faq .faq-contact-row {
    grid-template-columns: 92px minmax(0, 1fr);
  }

  .page-faq .faq-cta-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 40px;
  }
}

/* ---------- 减少动态偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa-q,
  .page-faq .qa-mark::before,
  .page-faq .qa-mark::after,
  .page-faq .faq-index-list a {
    transition: none;
  }
}
<<<END>>>