.page-faq {
  --faq-rail-w: 228px;
  --faq-line: rgba(34, 26, 20, 0.12);
  --faq-line-soft: rgba(34, 26, 20, 0.08);
  --faq-shadow: rgba(34, 26, 20, 0.07);
  --faq-shadow-deep: rgba(34, 26, 20, 0.14);
  background: var(--paper);
  color: var(--ink);
}

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

.page-faq [id] {
  scroll-margin-top: 84px;
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible,
.page-faq button:focus-visible {
  outline: 2px solid var(--barley);
  outline-offset: 3px;
  border-radius: 999px;
}

/* 面包屑 */
.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--saltgray);
}

.page-faq .breadcrumbs li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--mist);
}

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

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

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(24px, 4vw, 44px) clamp(34px, 5vw, 62px);
  border-bottom: 1px solid var(--faq-line-soft);
  background:
    radial-gradient(115% 90% at 92% -10%, rgba(31, 111, 139, 0.16), transparent 60%),
    radial-gradient(85% 70% at -5% 105%, rgba(217, 166, 46, 0.18), transparent 68%),
    var(--paper);
}

.page-faq .faq-hero-inner {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-hero-copy .lede {
  max-width: 60ch;
}

.page-faq .faq-hero-copy .btn-row {
  margin-top: 22px;
}

.page-faq .faq-hero-card {
  align-self: end;
  padding: 20px 22px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-lg);
  background: var(--salt);
  box-shadow: 0 6px 20px var(--faq-shadow);
}

.page-faq .faq-hero-card-label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--lake);
}

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

.page-faq .faq-hot a {
  display: block;
  padding: 10px 0;
  border-bottom: 1px solid var(--faq-line-soft);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.6;
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), padding-left var(--t-fast) var(--ease);
}

.page-faq .faq-hot li:last-child a {
  border-bottom: none;
}

.page-faq .faq-hot a:hover,
.page-faq .faq-hot a:focus-visible {
  color: var(--lake);
  padding-left: 6px;
}

/* 章节公共头 */
.page-faq .faq-head {
  max-width: 700px;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-faq .faq-sub {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--saltgray);
}

/* 路径配图 */
.page-faq .faq-path-figure {
  margin: 0 0 clamp(20px, 3vw, 28px);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(118deg, rgba(31, 111, 139, 0.14), rgba(217, 166, 46, 0.16));
}

.page-faq .faq-path-figure img {
  width: 100%;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-faq .faq-path-figure figcaption {
  padding: 12px 18px;
  border-top: 1px solid var(--faq-line-soft);
  background: var(--salt);
  font-size: 13px;
  line-height: 1.6;
  color: var(--saltgray);
}

/* 场景卡 */
.page-faq .faq-scenes {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .scene-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: var(--salt);
  color: inherit;
  text-decoration: none;
  transition:
    transform var(--t-fast) var(--ease),
    box-shadow var(--t-mid) var(--ease),
    border-color var(--t-fast) var(--ease);
}

.page-faq .scene-card:hover,
.page-faq .scene-card:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px var(--faq-shadow-deep);
  border-color: var(--mist);
}

.page-faq .scene-card--wide {
  background: linear-gradient(120deg, rgba(31, 111, 139, 0.1), var(--salt) 62%);
  border-color: rgba(31, 111, 139, 0.24);
}

.page-faq .scene-num {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--lake);
}

.page-faq .scene-name {
  margin: 0;
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: 0.04em;
  transition: color var(--t-fast) var(--ease);
}

.page-faq .scene-card:hover .scene-name,
.page-faq .scene-card:focus-visible .scene-name {
  color: var(--lake);
}

.page-faq .scene-q {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
  opacity: 0.74;
}

.page-faq .scene-go {
  margin-top: auto;
  padding-top: 6px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ochre);
}

/* 折叠区两栏 */
.page-faq .faq-body {
  display: grid;
  gap: clamp(18px, 3vw, 38px);
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-rail {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
  padding: 10px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: var(--salt);
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-rail-title {
  flex: none;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--saltgray);
}

.page-faq .faq-rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-rail-list a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border-radius: 999px;
  white-space: nowrap;
  font-size: 13.5px;
  color: var(--ink);
  text-decoration: none;
  background: rgba(31, 111, 139, 0.08);
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-faq .faq-rail-list .mono {
  font-size: 11.5px;
  color: var(--lake);
}

.page-faq .faq-rail-list a:hover,
.page-faq .faq-rail-list a:focus-visible {
  background: var(--lake);
  color: var(--salt);
}

.page-faq .faq-rail-list a:hover .mono,
.page-faq .faq-rail-list a:focus-visible .mono {
  color: var(--barley);
}

/* 分组 */
.page-faq .faq-group + .faq-group {
  margin-top: clamp(26px, 4vw, 42px);
}

.page-faq .faq-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-group-num {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--lake);
}

.page-faq .faq-group-head h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.3;
  letter-spacing: 0.04em;
}

.page-faq .faq-group-head p {
  flex-basis: 100%;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--saltgray);
}

/* 折叠条目 */
.page-faq .faq-item {
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: var(--salt);
  box-shadow: 0 4px 10px var(--faq-shadow);
  overflow: hidden;
  transition: box-shadow var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: 10px;
}

.page-faq .faq-item[open] {
  border-color: rgba(31, 111, 139, 0.32);
  box-shadow: 0 12px 26px var(--faq-shadow-deep);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 20px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  line-height: 1.55;
  transition: color var(--t-fast) var(--ease);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  flex: none;
  margin-top: 1px;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--saltgray);
  transition: color var(--t-fast) var(--ease);
}

.page-faq .faq-item[open] summary {
  color: var(--lake);
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  color: var(--barley);
}

.page-faq .faq-item summary:hover {
  color: var(--lake);
}

.page-faq .faq-a {
  padding: 14px 20px 20px;
  border-top: 1px solid var(--faq-line-soft);
  animation: faqPanelIn 180ms ease-out both;
}

.page-faq .faq-a p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
}

.page-faq .faq-a ol {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
  display: grid;
  gap: 9px;
}

.page-faq .faq-a ol li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 32px;
  font-size: 14.5px;
  line-height: 1.72;
}

.page-faq .faq-a ol li::before {
  content: counter(faqstep);
  position: absolute;
  left: 0;
  top: 2px;
  display: grid;
  place-items: center;
  width: 21px;
  height: 21px;
  border-radius: 999px;
  background: rgba(31, 111, 139, 0.13);
  color: var(--lake);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
}

@keyframes faqPanelIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* 折叠区配图 */
.page-faq .faq-shot {
  margin: clamp(26px, 4vw, 40px) 0 0;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--salt);
}

.page-faq .faq-shot img {
  width: 100%;
  aspect-ratio: 11 / 8;
  object-fit: cover;
}

.page-faq .faq-shot figcaption {
  padding: 12px 18px;
  border-top: 1px solid var(--faq-line-soft);
  font-size: 13px;
  line-height: 1.6;
  color: var(--saltgray);
}

/* 换版过渡 */
.page-faq .faq-shift {
  background: linear-gradient(180deg, rgba(143, 189, 203, 0.16), rgba(246, 241, 228, 0));
  border-top: 1px solid var(--faq-line-soft);
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .shift-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .shift-card {
  padding: 18px 20px;
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--wind);
  border-radius: var(--radius-md);
  background: var(--salt);
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t-mid) var(--ease);
}

.page-faq .shift-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px var(--faq-shadow);
}

.page-faq .shift-card h3 {
  margin: 0 0 8px;
  font-size: 16.5px;
  line-height: 1.45;
  letter-spacing: 0.03em;
}

.page-faq .shift-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
}

.page-faq .faq-shift-more {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--saltgray);
}

.page-faq .faq-shift-more a {
  color: var(--lake);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 术语表 */
.page-faq .terms-wrap {
  overflow-x: auto;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: var(--salt);
  box-shadow: 0 4px 12px var(--faq-shadow);
}

.page-faq .terms-caption {
  padding: 14px 18px 0;
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--saltgray);
}

.page-faq .terms-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-faq .terms-table thead th {
  padding: 12px 18px;
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--lake);
  background: rgba(31, 111, 139, 0.09);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .terms-table tbody th,
.page-faq .terms-table tbody td {
  padding: 14px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--faq-line-soft);
  line-height: 1.7;
}

.page-faq .terms-table tbody th {
  width: 26%;
  min-width: 96px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--lake);
  white-space: nowrap;
  cursor: help;
}

.page-faq .terms-table tbody tr:last-child th,
.page-faq .terms-table tbody tr:last-child td {
  border-bottom: none;
}

.page-faq .terms-table tbody tr {
  transition: background var(--t-fast) var(--ease);
}

.page-faq .terms-table tbody tr:hover {
  background: rgba(31, 111, 139, 0.06);
}

/* 求助收尾 */
.page-faq .faq-help {
  margin-top: clamp(36px, 6vw, 72px);
  padding-block: clamp(40px, 6vw, 72px);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(31, 111, 139, 0.42), transparent 62%),
    var(--night);
  color: rgba(246, 241, 228, 0.9);
}

.page-faq .faq-help-inner {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-help-copy h2 {
  margin: 10px 0 0;
  color: var(--salt);
}

.page-faq .faq-help-copy .lede {
  margin: 14px 0 0;
  color: rgba(246, 241, 228, 0.82);
}

.page-faq .eyebrow--light {
  color: var(--barley);
}

.page-faq .faq-help-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .faq-help-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(246, 241, 228, 0.88);
}

.page-faq .faq-help-list .mono {
  flex: none;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: rgba(217, 166, 46, 0.2);
  color: var(--barley);
  font-size: 11px;
}

.page-faq .faq-help-card {
  align-self: start;
  padding: 22px;
  border: 1px solid rgba(246, 241, 228, 0.2);
  border-radius: var(--radius-lg);
  background: rgba(255, 253, 246, 0.07);
}

.page-faq .faq-help-label {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--barley);
}

.page-faq .faq-help-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0 0 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(246, 241, 228, 0.16);
}

.page-faq .faq-help-facts dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(246, 241, 228, 0.62);
}

.page-faq .faq-help-facts dd {
  margin: 6px 0 0;
  font-size: 16px;
  color: var(--salt);
}

.page-faq .faq-help-facts .mono {
  font-size: 20px;
  color: var(--barley);
}

.page-faq .faq-help-line {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(246, 241, 228, 0.86);
}

.page-faq .faq-help-line a {
  color: var(--barley);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-help-card .btn-row {
  flex-wrap: wrap;
}

.page-faq .faq-help-card .btn-ghost {
  color: var(--salt);
  border-color: rgba(246, 241, 228, 0.36);
}

.page-faq .faq-help-card .btn-ghost:hover {
  border-color: var(--barley);
  color: var(--barley);
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-a {
    animation: none;
  }
  .page-faq .scene-card,
  .page-faq .shift-card,
  .page-faq .faq-hot a {
    transition: opacity 120ms linear;
  }
  .page-faq .scene-card:hover,
  .page-faq .shift-card:hover {
    transform: none;
  }
}

/* 平板 */
@media (min-width: 720px) {
  .page-faq .faq-scenes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-scenes .scene-card:nth-child(2) {
    grid-column: span 2;
  }
  .page-faq .faq-scenes .scene-card:nth-child(6) {
    grid-column: span 3;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 6px 18px;
  }
  .page-faq .faq-scenes .scene-card:nth-child(6) .scene-num {
    order: 0;
  }
  .page-faq .faq-scenes .scene-card:nth-child(6) .scene-name {
    order: 1;
  }
  .page-faq .faq-scenes .scene-card:nth-child(6) .scene-q {
    order: 2;
    flex: 1 1 55%;
    min-width: 240px;
  }
  .page-faq .faq-scenes .scene-card:nth-child(6) .scene-go {
    order: 3;
    margin-top: 0;
    padding-top: 0;
  }
  .page-faq .shift-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 桌面 */
@media (min-width: 960px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.85fr);
    align-items: end;
  }
  .page-faq .faq-help-inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .faq-rail {
    position: sticky;
    top: 80px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    margin-bottom: 0;
    padding: 16px 14px;
    overflow: visible;
    box-shadow: 0 6px 20px var(--faq-shadow);
  }
  .page-faq .faq-rail-title {
    padding: 0 10px 10px;
    border-bottom: 1px solid var(--faq-line-soft);
    margin-bottom: 6px;
  }
  .page-faq .faq-rail-list {
    flex-direction: column;
    gap: 2px;
  }
  .page-faq .faq-rail-list a {
    display: flex;
    padding: 9px 10px;
    border-radius: var(--radius-sm);
    border-left: 2px solid transparent;
    background: transparent;
    font-size: 14px;
    white-space: normal;
    transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
  }
  .page-faq .faq-rail-list a:hover,
  .page-faq .faq-rail-list a:focus-visible {
    background: rgba(31, 111, 139, 0.1);
    border-left-color: var(--lake);
    color: var(--lake);
  }
  .page-faq .faq-rail-list a:hover .mono,
  .page-faq .faq-rail-list a:focus-visible .mono {
    color: var(--ochre);
  }
  .page-faq .terms-table {
    min-width: 0;
  }
}
<<<END>>>