.page-faq {
  --faq-rail-w: 236px;
  --faq-line-soft: rgba(27, 64, 92, 0.7);
  --faq-panel: rgba(18, 48, 71, 0.62);
  color: var(--text);
  background:
    radial-gradient(900px 420px at 88% -10%, rgba(36, 224, 206, 0.1), transparent 70%),
    var(--ink-800);
  padding-bottom: 64px;
  overflow-x: clip;
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px 0 4px;
  font-size: 13px;
  color: var(--muted);
}

.page-faq .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: rgba(165, 255, 245, 0.5);
}

.page-faq .breadcrumb-sep {
  color: var(--line);
}

/* 封面 */
.page-faq .faq-cover {
  position: relative;
  display: grid;
  gap: 30px;
  padding: 20px 0 44px;
}

.page-faq .faq-cover::before {
  content: "";
  position: absolute;
  inset: -20px -12px auto -12px;
  height: 320px;
  background-image:
    linear-gradient(to right, rgba(27, 64, 92, 0.35) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(27, 64, 92, 0.35) 1px, transparent 1px);
  background-size: 120px 120px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent);
  pointer-events: none;
}

.page-faq .cover-main {
  position: relative;
  z-index: 1;
}

.page-faq .faq-cover .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-cover h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 8vw, 62px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--text);
}

.page-faq .lede {
  margin: 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 460px;
  margin: 24px 0 10px;
  padding: 3px 8px 3px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--pill);
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-faq .faq-search:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(36, 224, 206, 0.14);
}

.page-faq .faq-search-icon {
  flex: none;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
  line-height: 1;
}

.page-faq .faq-search input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 12px 0;
  background: transparent;
  border: 0;
  outline: none;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
}

.page-faq .faq-search input::placeholder {
  color: rgba(154, 176, 196, 0.78);
}

.page-faq .cover-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .cover-note a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(165, 255, 245, 0.45);
}

.page-faq .cover-note a:hover,
.page-faq .cover-note a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-faq .cover-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .cover-side {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .faq-figure {
  margin: 0;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

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

.page-faq .faq-figure .media-caption {
  padding: 10px 16px 12px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-figure--wide {
  margin: 22px 0 4px;
}

/* 图例 */
.page-faq .faq-legend {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .legend-row {
  display: grid;
  grid-template-columns: 12px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  font-size: 15px;
  color: var(--text);
  text-decoration: none;
  background: var(--faq-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .legend-row:hover,
.page-faq .legend-row:focus-visible {
  border-color: var(--cyan);
  background: rgba(36, 224, 206, 0.08);
}

.page-faq .legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--muted);
}

.page-faq .faq-legend li:nth-child(1) .legend-dot { background: var(--cyan); }
.page-faq .faq-legend li:nth-child(2) .legend-dot { background: var(--amber); }
.page-faq .faq-legend li:nth-child(3) .legend-dot { background: var(--cyan-soft); }
.page-faq .faq-legend li:nth-child(4) .legend-dot { background: var(--amber-soft); }
.page-faq .faq-legend li:nth-child(5) .legend-dot { background: var(--muted); }

.page-faq .legend-name {
  line-height: 1.5;
}

.page-faq .legend-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-faq .legend-row:hover .legend-num,
.page-faq .legend-row:focus-visible .legend-num {
  color: var(--cyan-soft);
}

/* 主体：索引 + 内容 */
.page-faq .faq-body {
  display: grid;
  gap: 26px;
  padding-top: 10px;
}

.page-faq .faq-rail {
  display: grid;
  gap: 14px;
  padding: 16px;
  background: var(--faq-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.page-faq .rail-head {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-faq .faq-index {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.page-faq .faq-index .index-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: none;
  padding: 9px 14px;
  font-size: 13px;
  white-space: nowrap;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background 0.16s var(--ease);
}

.page-faq .faq-index .index-link:hover,
.page-faq .faq-index .index-link:focus-visible {
  color: var(--text);
  border-color: rgba(36, 224, 206, 0.5);
  background: rgba(36, 224, 206, 0.08);
}

.page-faq .faq-index .index-link.is-active {
  color: var(--text);
  border-color: var(--cyan);
  background: rgba(36, 224, 206, 0.14);
}

.page-faq .idx-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

.page-faq .rail-note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 0;
  padding-top: 12px;
  font-size: 12px;
  line-height: 1.75;
  color: var(--muted);
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .rail-note::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--amber);
}

/* 章节 */
.page-faq .faq-section {
  padding: 6px 0 34px;
  border-bottom: 1px solid var(--faq-line-soft);
  margin-bottom: 26px;
}

.page-faq .faq-section--last {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-faq .section-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .faq-section h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 5vw, 36px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--text);
}

.page-faq .section-lede {
  margin: 0 0 20px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .sub-title {
  margin: 26px 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--cyan-soft);
}

/* 双列路径 */
.page-faq .compare {
  display: grid;
  gap: 14px;
  margin: 20px 0 6px;
}

.page-faq .compare-col {
  padding: 20px;
  background: var(--faq-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.page-faq .compare-col--temp {
  box-shadow: inset 0 3px 0 var(--amber);
}

.page-faq .compare-col--fixed {
  box-shadow: inset 0 3px 0 var(--cyan);
}

.page-faq .compare-tag {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber-soft);
}

.page-faq .compare-col--fixed .compare-tag {
  color: var(--cyan-soft);
}

.page-faq .steps {
  display: grid;
  gap: 13px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .step {
  position: relative;
  padding-left: 34px;
}

.page-faq .step-index {
  position: absolute;
  left: 0;
  top: 1px;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  background: rgba(36, 224, 206, 0.08);
  border: 1px solid rgba(36, 224, 206, 0.5);
  border-radius: 50%;
}

.page-faq .compare-col--temp .step-index {
  color: var(--amber);
  background: rgba(255, 184, 77, 0.08);
  border-color: rgba(255, 184, 77, 0.5);
}

.page-faq .step strong {
  display: block;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
}

.page-faq .step-tip {
  display: block;
  margin-top: 3px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  transition: color 0.16s var(--ease), opacity 0.16s var(--ease);
}

@media (hover: hover) {
  .page-faq .step-tip {
    opacity: 0.6;
  }

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

.page-faq .compare-fit {
  margin: 16px 0 0;
  padding-top: 12px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  border-top: 1px dashed var(--faq-line-soft);
}

/* 表格 */
.page-faq .table-scroll {
  overflow-x: auto;
  background: var(--faq-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.page-faq .data-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .data-table th,
.page-faq .data-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .data-table thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--cyan-soft);
}

.page-faq .data-table tbody th {
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}

.page-faq .data-table td {
  color: var(--muted);
  line-height: 1.7;
}

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

/* 折叠问答 */
.page-faq .qa {
  margin-bottom: 10px;
  overflow: hidden;
  background: var(--faq-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-faq .qa:hover {
  border-color: rgba(36, 224, 206, 0.4);
}

.page-faq .qa[open] {
  border-color: rgba(36, 224, 206, 0.55);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .qa-num {
  flex: none;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}

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

.page-faq .qa-q {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--text);
}

.page-faq .qa-mark {
  position: relative;
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: border-color 0.18s var(--ease);
}

.page-faq .qa-mark::before,
.page-faq .qa-mark::after {
  content: "";
  position: absolute;
  background: var(--muted);
  border-radius: 1px;
}

.page-faq .qa-mark::before {
  left: 5px;
  top: 8.5px;
  width: 9px;
  height: 1.5px;
}

.page-faq .qa-mark::after {
  left: 8.5px;
  top: 5px;
  width: 1.5px;
  height: 9px;
  transition: transform 0.18s var(--ease), opacity 0.18s var(--ease);
}

.page-faq .qa[open] .qa-mark {
  border-color: rgba(36, 224, 206, 0.6);
}

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

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

.page-faq .qa-a {
  padding: 0 16px 16px 44px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

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

.page-faq .qa-a p + p {
  margin-top: 8px;
}

.page-faq .qa-a a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(165, 255, 245, 0.45);
}

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

.page-faq .group-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .group-foot a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(165, 255, 245, 0.45);
}

.page-faq .group-foot a:hover,
.page-faq .group-foot a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* 导出格式卡 */
.page-faq .fmt-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 18px;
}

.page-faq .fmt {
  padding: 14px 16px;
  background: rgba(18, 48, 71, 0.5);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: border-color 0.16s var(--ease);
}

.page-faq .fmt:hover {
  border-color: rgba(36, 224, 206, 0.45);
}

.page-faq .fmt b {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .fmt span {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* 下一步 */
.page-faq .next-grid {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

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

.page-faq .checklist {
  display: grid;
  gap: 14px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-faq .checklist li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
}

.page-faq .check-num {
  display: grid;
  place-items: center;
  height: 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  border: 1px solid rgba(36, 224, 206, 0.42);
  border-radius: var(--pill);
}

.page-faq .checklist strong {
  display: block;
  margin-bottom: 2px;
  font-size: 15px;
  color: var(--text);
}

.page-faq .checklist p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .next-card--contact {
  background: linear-gradient(160deg, rgba(255, 184, 77, 0.14), rgba(18, 48, 71, 0.72));
  border-color: rgba(255, 184, 77, 0.34);
}

.page-faq .contact-label {
  margin: 0 0 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber-soft);
}

.page-faq .contact-value {
  margin: 0 0 15px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

.page-faq .contact-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .next-more {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
}

.page-faq .next-more a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(165, 255, 245, 0.45);
}

.page-faq .next-more a:hover,
.page-faq .next-more a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* 响应式 */
@media (min-width: 640px) {
  .page-faq .fmt-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-cover {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    gap: 48px;
    align-items: start;
    padding: 36px 0 56px;
  }

  .page-faq .cover-side {
    padding-top: 6px;
  }

  .page-faq .next-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
    padding-top: 20px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 24px;
    padding: 18px;
  }

  .page-faq .faq-index {
    display: grid;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index .index-link {
    display: grid;
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 8px;
    padding: 10px 12px;
    font-size: 14px;
    border-color: transparent;
    border-radius: var(--radius-sm);
    white-space: normal;
  }

  .page-faq .faq-index .index-link.is-active {
    border-color: rgba(36, 224, 206, 0.5);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition: none !important;
    animation: none !important;
  }
}
<<<PAGE_CSS_END>>>