.page-faq {
  --faq-tone: var(--cyan);
  --faq-tone-rgb: 53 224 216;
  --faq-client: var(--violet);
  --faq-search: var(--gold);
  --faq-library: var(--ok);
  position: relative;
  overflow-x: clip;
}

.page-faq .faq-band {
  width: min(100% - 40px, var(--shell));
  margin-inline: auto;
  padding-block: 48px;
}

.page-faq .faq-kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .faq-h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 34px);
  line-height: 1.24;
  color: var(--text);
}

.page-faq .faq-sec-head {
  max-width: 72ch;
}

.page-faq .faq-sub {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ── 首屏 ── */
.page-faq .faq-hero {
  padding-top: 32px;
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 32px;
}

.page-faq .faq-lede {
  margin: 0 0 16px;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-hero-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text-mute);
}

.page-faq .faq-hero-stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 22px 20px;
  border: 1px solid var(--line);
  background: linear-gradient(155deg, var(--ink-nebula) 0%, var(--ink-deep) 100%);
}

.page-faq .faq-hero-stats::before {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 58px;
  height: 58px;
  border-top: 1px solid var(--gold);
  border-right: 1px solid var(--gold);
  opacity: 0.7;
  pointer-events: none;
}

.page-faq .faq-hero-stat {
  min-width: 0;
  padding-left: 12px;
  border-left: 2px solid var(--line);
}

.page-faq .faq-hero-stat dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--text-mute);
}

.page-faq .faq-hero-stat dd {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(26px, 6vw, 36px);
  line-height: 1;
  color: var(--text);
}

.page-faq .faq-hero-stat dd em {
  margin-left: 4px;
  font-style: normal;
  font-size: 12px;
  color: var(--cyan);
}

/* ── 答案区 ── */
.page-faq .faq-answers-band {
  padding-top: 8px;
}

.page-faq .faq-answers-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 20px;
  margin-bottom: 24px;
}

.page-faq .faq-filter-status {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--text-mute);
}

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

.page-faq .faq-index {
  padding: 20px 16px;
  border: 1px solid var(--line);
  background: linear-gradient(170deg, var(--ink-nebula), var(--ink-deep) 72%);
}

.page-faq .faq-index-title {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.05em;
  color: var(--text);
}

.page-faq .faq-index-title::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}

.page-faq .faq-index-list {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index-item {
  --faq-tone: var(--cyan);
  --faq-tone-rgb: 53 224 216;
}

.page-faq .faq-index-item--client {
  --faq-tone: var(--violet);
  --faq-tone-rgb: 123 92 255;
}

.page-faq .faq-index-item--search {
  --faq-tone: var(--gold);
  --faq-tone-rgb: 242 180 90;
}

.page-faq .faq-index-item--library {
  --faq-tone: var(--ok);
  --faq-tone-rgb: 91 228 155;
}

.page-faq .faq-index-link {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 11px 10px 11px 12px;
  border-left: 2px solid var(--faq-tone);
  background: linear-gradient(90deg, rgb(var(--faq-tone-rgb) / 0.07), transparent 72%);
  color: var(--text-dim);
  text-decoration: none;
  font-size: 15px;
  transition: background 200ms ease, color 200ms ease;
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  background: linear-gradient(90deg, rgb(var(--faq-tone-rgb) / 0.22), transparent 86%);
  color: var(--text);
  outline: none;
}

.page-faq .faq-index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--faq-tone);
}

.page-faq .faq-index-name {
  min-width: 0;
  overflow-wrap: anywhere;
}

.page-faq .faq-index-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
}

.page-faq .faq-index-hint {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-mute);
}

.page-faq .faq-answers {
  min-width: 0;
}

.page-faq .faq-group {
  --faq-tone: var(--cyan);
  --faq-tone-rgb: 53 224 216;
  margin-top: 42px;
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-faq .faq-group:first-child {
  margin-top: 0;
}

.page-faq .faq-group--client {
  --faq-tone: var(--violet);
  --faq-tone-rgb: 123 92 255;
}

.page-faq .faq-group--search {
  --faq-tone: var(--gold);
  --faq-tone-rgb: 242 180 90;
}

.page-faq .faq-group--library {
  --faq-tone: var(--ok);
  --faq-tone-rgb: 91 228 155;
}

.page-faq .faq-group-head {
  position: relative;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 12px;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 68px;
  height: 2px;
  background: var(--faq-tone);
}

.page-faq .faq-group-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--faq-tone);
}

.page-faq .faq-group-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  color: var(--text);
}

.page-faq .faq-group-range {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-mute);
}

.page-faq .faq-item {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  background: var(--ink-nebula);
  transition: border-color 200ms ease, background 200ms ease;
}

.page-faq .faq-item:hover {
  border-color: rgb(var(--faq-tone-rgb) / 0.55);
}

.page-faq .faq-item[open] {
  border-color: var(--faq-tone);
  background: linear-gradient(180deg, var(--ink-nebula), var(--ink-deep));
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--text);
}

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

.page-faq .faq-q:focus-visible {
  outline: 1px solid var(--faq-tone);
  outline-offset: -2px;
}

.page-faq .faq-q-mark {
  position: relative;
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border: 1px solid var(--faq-tone);
  transition: transform 220ms ease, background 220ms ease;
}

.page-faq .faq-q-mark::before,
.page-faq .faq-q-mark::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  top: 50%;
  height: 1px;
  background: var(--faq-tone);
  transform: translateY(-50%);
}

.page-faq .faq-q-mark::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-q-mark {
  transform: rotate(90deg);
  background: rgb(var(--faq-tone-rgb) / 0.18);
}

.page-faq .faq-a {
  padding: 0 18px 18px 50px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text-dim);
  animation: faq-fade 220ms ease both;
}

.page-faq .faq-a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-a strong {
  color: var(--text);
  font-weight: 600;
}

.page-faq .faq-a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgb(53 224 216 / 0.4);
}

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

@keyframes faq-fade {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-empty {
  margin: 32px 0 0;
  padding: 20px;
  border: 1px dashed var(--line);
  font-size: 15px;
  color: var(--text-mute);
}

/* ── 三步流程 ── */
.page-faq .faq-steps {
  border-top: 1px solid var(--line);
}

.page-faq .faq-step-grid {
  display: grid;
  gap: 16px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  position: relative;
  padding: 24px 20px 22px;
  border: 1px solid var(--line);
  background: var(--ink-nebula);
  transition: border-color 200ms ease;
}

.page-faq .faq-step:hover {
  border-color: var(--cyan);
}

.page-faq .faq-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 1.5px solid var(--cyan);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1;
  color: var(--cyan);
  box-shadow: 0 0 0 4px rgb(53 224 216 / 0.08);
}

.page-faq .faq-step-title {
  margin: 16px 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-step p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-step-out {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--ok);
}

.page-faq .faq-step-figure {
  margin: 32px 0 0;
}

.page-faq .faq-step-figure .media-frame,
.page-faq .faq-search-figure .media-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-deep);
}

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

.page-faq .media-caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-mute);
}

/* ── 检索技巧 ── */
.page-faq .faq-search {
  border-top: 1px solid var(--line);
}

.page-faq .faq-search-grid {
  display: grid;
  gap: 28px;
  margin-top: 30px;
}

.page-faq .faq-tip-list {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-tip {
  padding: 4px 0 4px 16px;
  border-left: 2px solid var(--gold);
}

.page-faq .faq-tip-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-tip p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

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

.page-faq .faq-compare-wrap {
  margin-top: 32px;
}

.page-faq .faq-compare {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-faq .faq-compare-caption {
  padding: 0 0 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.page-faq .faq-compare th,
.page-faq .faq-compare td {
  padding: 13px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-compare thead th {
  background: var(--ink-hull);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.page-faq .faq-compare tbody td:first-child {
  color: var(--text-dim);
}

.page-faq .faq-compare tbody tr {
  transition: background 200ms ease;
}

.page-faq .faq-compare tbody tr:hover {
  background: rgb(53 224 216 / 0.06);
}

.page-faq .faq-good {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--ok);
}

.page-faq .faq-bad {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--warn);
}

/* ── 客户端设置 ── */
.page-faq .faq-client {
  border-top: 1px solid var(--line);
}

.page-faq .faq-client-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-faq .faq-client-card {
  position: relative;
  overflow: hidden;
  padding: 22px 20px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink-nebula), var(--ink-deep));
}

.page-faq .faq-client-card::after {
  content: "";
  position: absolute;
  right: -50px;
  bottom: -70px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: radial-gradient(circle, rgb(123 92 255 / 0.24), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-client-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-client-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-client-card a,
.page-faq .faq-lib-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgb(53 224 216 / 0.4);
}

.page-faq .faq-client-card a:hover,
.page-faq .faq-lib-note a:hover {
  border-bottom-color: var(--cyan);
}

/* ── 资料库筛选 ── */
.page-faq .faq-library {
  border-top: 1px solid var(--line);
}

.page-faq .faq-lib-list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-lib-item {
  display: grid;
  gap: 6px 20px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line);
  transition: background 200ms ease;
}

.page-faq .faq-lib-item:hover {
  background: rgb(91 228 155 / 0.05);
}

.page-faq .faq-lib-key {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--ok);
}

.page-faq .faq-lib-item p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-faq .faq-lib-note {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-mute);
}

/* ── 客服通道 ── */
.page-faq .faq-help {
  padding-bottom: 72px;
}

.page-faq .faq-help-card {
  position: relative;
  padding: 32px 22px;
  border: 1px solid var(--line);
  background: linear-gradient(120deg, var(--ink-hull), var(--ink-nebula) 68%);
}

.page-faq .faq-help-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), rgb(242 180 90 / 0) 80%);
}

.page-faq .faq-help-list {
  display: grid;
  gap: 16px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-help-list li {
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-help-label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--text-mute);
}

.page-faq .faq-help-value {
  display: block;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

.page-faq .faq-help-note {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-help-actions {
  margin: 26px 0 0;
}

/* ── 响应式 ── */
@media (min-width: 760px) {
  .page-faq .faq-band {
    padding-block: 60px;
  }

  .page-faq .faq-step-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

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

  .page-faq .faq-lib-item {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: baseline;
  }

  .page-faq .faq-help-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .faq-help-card {
    padding: 40px 36px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-band {
    padding-block: 72px;
  }

  .page-faq .faq-hero {
    padding-top: 48px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.85fr);
    gap: 56px;
    align-items: end;
  }

  .page-faq .faq-layout {
    grid-template-columns: 272px minmax(0, 1fr);
    gap: 52px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }

  .page-faq .faq-search-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-search-figure {
    margin-top: 4px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-help-card {
    padding: 48px 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
<<<END>>>