.page-faq {
  background: var(--cream);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(1.75rem, 5vw, 3.5rem) 0 clamp(1.5rem, 4vw, 2.75rem);
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
}

.page-faq .faq-hero__lead h1 {
  margin: 0.4rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: clamp(2.1rem, 5.6vw, 3.6rem);
  line-height: 1.1;
  max-width: 19ch;
}

.page-faq .faq-hero__lead .lede {
  max-width: 56ch;
  margin: 0;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-faq .faq-hero__panel {
  position: relative;
  overflow: hidden;
  background: var(--night);
  color: var(--cream);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 3vw, 1.9rem);
}

.page-faq .faq-hero__panel::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(47, 224, 200, 0.45), rgba(47, 224, 200, 0) 70%);
  pointer-events: none;
}

.page-faq .faq-hero__panel-title {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8125rem;
  color: var(--cyan);
  margin: 0 0 1.1rem;
}

.page-faq .faq-stats {
  list-style: none;
  display: grid;
  gap: 0.9rem;
  margin: 0;
  padding: 0;
}

.page-faq .faq-stats li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  align-items: baseline;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(244, 239, 230, 0.18);
}

.page-faq .faq-stats li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.6rem, 4.4vw, 2.35rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-faq .faq-stats__label {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(244, 239, 230, 0.86);
}

/* ---------- 索引 + 正文双栏 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding-bottom: clamp(2.5rem, 6vw, 5rem);
}

.page-faq .faq-rail__title {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  color: var(--grey);
  margin: 0 0 0.7rem;
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0.6rem;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--white);
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
  font-size: 0.875rem;
  line-height: 1.2;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-faq .faq-rail__link:hover {
  border-color: var(--brand);
  color: var(--brand);
}

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

.page-faq .faq-rail__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.75rem;
  color: var(--grey);
}

.page-faq .faq-main {
  display: grid;
  gap: clamp(2.5rem, 6vw, 4.25rem);
  min-width: 0;
}

.page-faq .faq-sec {
  scroll-margin-top: 6.5rem;
  min-width: 0;
}

.page-faq .faq-sec--close {
  margin-bottom: clamp(0.5rem, 2vw, 1.5rem);
}

.page-faq .faq-sec__head {
  margin-bottom: clamp(1.25rem, 3vw, 1.9rem);
}

.page-faq .faq-sec__head .lede {
  max-width: 62ch;
  margin: 0.7rem 0 0;
}

.page-faq .section-title {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: clamp(1.5rem, 3.6vw, 2.2rem);
  line-height: 1.2;
  margin: 0.3rem 0 0;
}

/* ---------- 三条先看 ---------- */
.page-faq .faq-quick {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-faq .faq-quick__item {
  position: relative;
  display: grid;
  gap: 0.55rem;
  padding: clamp(1.15rem, 2.8vw, 1.6rem);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.page-faq .faq-quick__item::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 4px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: var(--brand);
}

.page-faq .faq-quick__item:nth-child(2)::before {
  background: var(--cyan);
}

.page-faq .faq-quick__item:nth-child(3)::before {
  background: var(--orange);
}

.page-faq .faq-quick__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  color: var(--grey);
}

.page-faq .faq-quick__item h3 {
  font-size: 1.125rem;
  line-height: 1.4;
  margin: 0;
}

.page-faq .faq-quick__item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: rgba(27, 23, 18, 0.78);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 1.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ice);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

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

.page-faq .faq-figure--side img {
  aspect-ratio: 10 / 7;
}

.page-faq .faq-figure__cap {
  padding: 0.7rem 1rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--grey);
  background: var(--white);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 层次对照表 ---------- */
.page-faq .table-scroll {
  margin-bottom: 1.75rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .data-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.page-faq .faq-table__cap {
  caption-side: top;
  text-align: left;
  padding: 0.9rem 1rem 0.3rem;
  font-size: 0.8125rem;
  color: var(--grey);
}

.page-faq .data-table th,
.page-faq .data-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
}

.page-faq .data-table thead th {
  background: var(--ice);
  color: var(--night);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
}

.page-faq .data-table tbody th {
  font-weight: 700;
  color: var(--brand);
  white-space: nowrap;
}

.page-faq .data-table tbody tr:nth-child(even) {
  background: rgba(220, 231, 242, 0.4);
}

.page-faq .data-table tbody tr + tr th,
.page-faq .data-table tbody tr + tr td {
  border-top: 1px solid var(--line-soft);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-qa {
  display: grid;
  gap: 0.7rem;
}

.page-faq .qa {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1rem 1.15rem;
  list-style: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.55;
  transition: color 0.2s ease;
}

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

.page-faq .qa__q:hover {
  color: var(--brand);
}

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

.page-faq .qa__mark {
  position: relative;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  margin-top: 0.2rem;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--grey);
  transition: background 0.22s ease, border-color 0.22s ease, color 0.22s ease;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: currentColor;
  transform: translate(-50%, -50%);
}

.page-faq .qa__mark::before {
  width: 9px;
  height: 1.5px;
}

.page-faq .qa__mark::after {
  width: 1.5px;
  height: 9px;
  transition: opacity 0.22s ease;
}

.page-faq .qa[open] .qa__mark {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--night);
}

.page-faq .qa[open] .qa__mark::after {
  opacity: 0;
}

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

.page-faq .qa__a {
  padding: 0.9rem 1.15rem 1.15rem 3.2rem;
  border-top: 1px dashed var(--line-soft);
  background: rgba(220, 231, 242, 0.28);
}

.page-faq .qa__a p {
  margin: 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(27, 23, 18, 0.82);
}

/* ---------- 步骤 + 侧图 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-faq .faq-steps__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1rem 1.15rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.page-faq .faq-steps__n {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--cyan-ink);
}

.page-faq .faq-steps__item h3 {
  font-size: 1rem;
  line-height: 1.45;
  margin: 0 0 0.28rem;
}

.page-faq .faq-steps__item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: rgba(27, 23, 18, 0.78);
}

/* ---------- 四个维度 ---------- */
.page-faq .faq-dims {
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-faq .faq-dims__item {
  display: grid;
  gap: 0.3rem;
  padding: 1rem 1.15rem;
  background: var(--ice);
  border: 1px solid rgba(27, 76, 140, 0.16);
  border-radius: var(--radius-md);
}

.page-faq .faq-dims__k {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  color: var(--brand);
}

.page-faq .faq-dims__v {
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ---------- 导出与引用 ---------- */
.page-faq .faq-export {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.page-faq .faq-export__card {
  padding: clamp(1.15rem, 2.8vw, 1.7rem);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.page-faq .faq-export__card h3 {
  font-size: 1.0625rem;
  line-height: 1.45;
  margin: 0 0 0.9rem;
}

.page-faq .faq-export__card--dark {
  background: var(--night);
  color: var(--cream);
  border-color: transparent;
}

.page-faq .faq-export__card--dark h3 {
  color: var(--white);
}

.page-faq .faq-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-faq .faq-list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.9375rem;
  line-height: 1.74;
}

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-faq .faq-export__card--dark .faq-list li::before {
  background: var(--orange);
}

.page-faq .faq-export__note {
  margin: 1rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(244, 239, 230, 0.22);
  font-size: 0.875rem;
  line-height: 1.72;
  color: rgba(244, 239, 230, 0.8);
}

.page-faq .faq-export__link {
  margin: 1.1rem 0 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--grey);
}

.page-faq .faq-export__link a {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-export__link a:hover {
  color: var(--orange-ink);
}

/* ---------- 收束 ---------- */
.page-faq .faq-help {
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--night) 0%, #123454 60%, #17456f 100%);
  color: var(--cream);
}

.page-faq .faq-help .eyebrow {
  color: var(--cyan);
}

.page-faq .faq-help .section-title {
  color: var(--white);
}

.page-faq .faq-help .lede {
  max-width: 56ch;
  margin: 0.7rem 0 0;
  color: rgba(244, 239, 230, 0.86);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.4rem;
}

.page-faq .faq-help__meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-faq .faq-help__meta li {
  display: grid;
  grid-template-columns: 3.75rem minmax(0, 1fr);
  gap: 0.75rem;
  padding-top: 0.7rem;
  border-top: 1px solid rgba(244, 239, 230, 0.2);
  font-size: 0.9375rem;
  line-height: 1.65;
  word-break: break-word;
}

.page-faq .faq-help__meta li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-help__meta span {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-dims {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.15rem;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-faq .faq-export {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.9fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-shell {
    grid-template-columns: 216px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 6.5rem;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    overflow: visible;
    gap: 0.2rem;
    padding: 0;
  }

  .page-faq .faq-rail__link {
    white-space: normal;
    border: 0;
    border-left: 2px solid var(--line-soft);
    border-radius: var(--radius-sm);
    background: transparent;
    padding: 0.6rem 0.75rem;
  }

  .page-faq .faq-rail__link:hover {
    background: var(--ice);
    border-left-color: var(--brand);
  }
}
<<<END>>>