.page-faq {
  --faq-line: rgba(143, 217, 232, .38);
  --faq-card-bg: rgba(255, 255, 255, .04);
  --faq-card-edge: rgba(212, 175, 55, .22);
  --faq-cut: 14px;
  display: block;
}

/* ============ 首屏与三步排查 ============ */
.page-faq .faq-hero-band {
  position: relative;
  padding: 1.25rem 0 3rem;
  background:
    radial-gradient(115% 85% at 84% -5%, rgba(122, 63, 166, .45), transparent 62%),
    radial-gradient(90% 70% at 6% 12%, rgba(46, 139, 87, .2), transparent 60%),
    linear-gradient(180deg, var(--violet-900), var(--violet-800) 72%, #22102f);
  color: var(--paper);
  overflow: hidden;
}

.page-faq .faq-crumb {
  margin-bottom: 1.5rem;
}

.page-faq .faq-crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .82rem;
}

.page-faq .faq-crumb li {
  color: rgba(245, 241, 232, .62);
}

.page-faq .faq-crumb li + li::before {
  content: "/";
  margin-right: .5rem;
  color: var(--gold-edge);
}

.page-faq .faq-crumb a {
  color: rgba(245, 241, 232, .82);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-faq .faq-head {
  max-width: 44rem;
  padding: 0;
}

.page-faq .faq-hero-band .eyebrow {
  color: var(--gold);
}

.page-faq .faq-head h1 {
  margin: .6rem 0 1rem;
  font-family: var(--font-display);
  font-size: 1.85rem;
  line-height: 1.4;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-faq .faq-head .page-lead {
  max-width: 36rem;
  margin: 0;
  font-size: 1rem;
  line-height: 1.9;
  color: rgba(245, 241, 232, .78);
}

.page-faq .faq-head-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.6rem;
}

.page-faq .faq-steps-layout {
  display: grid;
  gap: 2.25rem;
  margin-top: 3rem;
}

.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  position: relative;
  padding: 0 0 1.75rem 3.35rem;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 1.05rem;
  top: 2.6rem;
  bottom: .4rem;
  width: 1px;
  background: linear-gradient(180deg, var(--faq-line), rgba(143, 217, 232, .05));
}

.page-faq .faq-step:last-child {
  padding-bottom: 0;
}

.page-faq .faq-step:last-child::before {
  display: none;
}

.page-faq .faq-step-num {
  position: absolute;
  left: 0;
  top: .35rem;
  width: 2.15rem;
  height: 2.15rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--ice);
  border-radius: 50%;
  background: rgba(143, 217, 232, .09);
  color: var(--ice);
  font-size: .78rem;
  letter-spacing: .06em;
}

.page-faq .faq-step-heading {
  margin: 0;
  font-size: 1rem;
}

.page-faq .faq-step-trigger {
  width: 100%;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: .55rem 0;
  border: 0;
  border-bottom: 1px solid var(--gold-line);
  background: none;
  color: var(--paper);
  font: inherit;
  font-family: var(--font-display);
  text-align: left;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-step-trigger:hover,
.page-faq .faq-step-trigger:focus-visible {
  border-bottom-color: var(--gold-edge);
}

.page-faq .faq-step-title {
  font-size: 1.15rem;
  line-height: 1.5;
}

.page-faq .faq-step-hint {
  flex: none;
  font-size: .72rem;
  color: rgba(245, 241, 232, .5);
}

.page-faq .faq-step-panel {
  padding-top: .85rem;
}

.page-faq .fact-list,
.page-faq .check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .6rem;
}

.page-faq .check-list li {
  position: relative;
  padding-left: 1.7rem;
  font-size: .93rem;
  line-height: 1.75;
  color: rgba(245, 241, 232, .74);
}

.page-faq .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .42em;
  width: .85rem;
  height: .85rem;
  border: 1px solid var(--gold-edge);
  border-radius: 2px;
}

.page-faq .check-list li::after {
  content: "";
  position: absolute;
  left: .3rem;
  top: .56em;
  width: .26rem;
  height: .5rem;
  border-right: 1.5px solid var(--green-600);
  border-bottom: 1.5px solid var(--green-600);
  transform: rotate(42deg);
}

.page-faq .check-list a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(143, 217, 232, .5);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .check-list a:hover,
.page-faq .check-list a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

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

.page-faq .figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  border: 1px solid var(--gold-line);
}

.page-faq .figure-cap {
  margin-top: .7rem;
  font-size: .8rem;
  line-height: 1.7;
  color: rgba(245, 241, 232, .55);
}

/* ============ 浅色区：场景速查 + 问答 ============ */
.page-faq .faq-band {
  padding: 2.75rem 0;
}

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

.page-faq .faq-section-head {
  max-width: 40rem;
  margin-bottom: 1.75rem;
}

.page-faq .faq-band-paper .eyebrow {
  color: var(--violet-700);
}

.page-faq .faq-section-head h2 {
  margin: .5rem 0 .85rem;
  font-family: var(--font-display);
  font-size: 1.4rem;
  line-height: 1.5;
  letter-spacing: .01em;
}

.page-faq .faq-section-lead {
  margin: 0;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--mist);
  max-width: 36rem;
}

.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.5rem;
}

.page-faq .filter-btn {
  padding: .45rem .95rem;
  border: 1px solid rgba(74, 29, 110, .28);
  border-radius: var(--pill);
  background: transparent;
  color: var(--violet-700);
  font-family: var(--font-body);
  font-size: .82rem;
  line-height: 1.4;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .filter-btn:hover,
.page-faq .filter-btn:focus-visible,
.page-faq .filter-btn[aria-pressed="true"] {
  background: var(--violet-700);
  border-color: var(--gold-edge);
  color: var(--paper);
}

.page-faq .scene-grid {
  display: grid;
  gap: .9rem;
}

.page-faq .check-card {
  padding: 1.15rem 1.15rem 1.25rem;
  background: #fff;
  border: 1px solid rgba(74, 29, 110, .14);
  border-left: 3px solid var(--ice);
  border-radius: 4px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .check-card:hover {
  border-color: var(--gold-edge);
  border-left-color: var(--gold);
  box-shadow: 0 8px 22px rgba(26, 11, 41, .09);
}

.page-faq .check-card .tag {
  display: inline-flex;
  align-items: center;
  padding: .18rem .6rem;
  border-radius: var(--pill);
  border: 1px solid transparent;
  font-size: .72rem;
  line-height: 1.6;
  letter-spacing: .02em;
}

.page-faq .check-card .tag-ice {
  background: rgba(143, 217, 232, .28);
  border-color: rgba(143, 217, 232, .75);
  color: #1b5461;
}

.page-faq .check-card .tag-pink {
  background: rgba(244, 199, 212, .42);
  border-color: rgba(244, 199, 212, .9);
  color: #7d2f47;
}

.page-faq .check-card .tag-green {
  background: rgba(46, 139, 87, .16);
  border-color: rgba(46, 139, 87, .5);
  color: #1f6340;
}

.page-faq .check-card-title {
  position: relative;
  margin: .7rem 0 .45rem;
  padding-left: 1.55rem;
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .check-card-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: .38em;
  width: .8rem;
  height: .8rem;
  border: 1px solid rgba(74, 29, 110, .35);
  border-radius: 2px;
}

.page-faq .check-card-title::after {
  content: "";
  position: absolute;
  left: .28rem;
  top: .5em;
  width: .24rem;
  height: .46rem;
  border-right: 1.5px solid var(--green-600);
  border-bottom: 1.5px solid var(--green-600);
  transform: rotate(42deg);
}

.page-faq .check-card p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: #4b4356;
}

.page-faq .check-card a {
  color: var(--violet-700);
  text-decoration: none;
  border-bottom: 1px solid rgba(122, 63, 166, .45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .check-card a:hover,
.page-faq .check-card a:focus-visible {
  color: #8a5a00;
  border-bottom-color: var(--gold);
}

.page-faq .faq-scene-figure {
  margin: 2rem 0 0;
}

.page-faq .faq-band-paper .figure-cap {
  color: var(--mist);
}

.page-faq .faq-band-paper .figure img {
  border-color: rgba(74, 29, 110, .16);
}

.page-faq .faq-qa-block {
  margin-top: 3rem;
}

.page-faq .faq-qa-list {
  display: grid;
  gap: .6rem;
  max-width: 46rem;
}

.page-faq .faq-qa {
  background: #fff;
  border: 1px solid rgba(74, 29, 110, .14);
  border-left: 3px solid var(--pink);
  border-radius: 4px;
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-qa:hover {
  border-left-color: var(--violet-500);
}

.page-faq .faq-qa-q {
  margin: 0;
}

.page-faq .faq-qa-q .accordion-trigger {
  position: relative;
  width: 100%;
  padding: 1rem 2.6rem 1rem 1.1rem;
  border: 0;
  background: none;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: .95rem;
  font-weight: 500;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
}

.page-faq .faq-qa-q .accordion-trigger::after {
  content: "";
  position: absolute;
  right: 1.1rem;
  top: 50%;
  width: .5rem;
  height: .5rem;
  border-right: 1.5px solid var(--violet-500);
  border-bottom: 1.5px solid var(--violet-500);
  transform: translateY(-70%) rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-qa.is-open .accordion-trigger::after {
  transform: translateY(-25%) rotate(225deg);
}

.page-faq .faq-qa-a {
  padding: 0 1.1rem 1.1rem;
}

.page-faq .faq-qa-a p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.85;
  color: #4b4356;
}

/* ============ 深色区：切换后疑问 + 联系 ============ */
.page-faq .faq-band-deep {
  background:
    radial-gradient(100% 80% at 88% 0%, rgba(122, 63, 166, .38), transparent 62%),
    linear-gradient(180deg, var(--violet-800), var(--violet-900));
  color: var(--paper);
}

.page-faq .faq-section-head-dark .eyebrow {
  color: var(--gold);
}

.page-faq .faq-section-head-dark h2 {
  color: var(--paper);
}

.page-faq .faq-section-head-dark .faq-section-lead {
  color: rgba(245, 241, 232, .72);
}

.page-faq .switch-grid {
  display: grid;
  gap: .9rem;
}

.page-faq .switch-card {
  padding: 1.1rem 1.1rem 1.2rem;
  background: var(--faq-card-bg);
  border: 1px solid var(--faq-card-edge);
  border-left: 3px solid var(--pink);
  border-radius: 4px;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .switch-card:hover {
  background: rgba(255, 255, 255, .07);
  border-color: var(--gold-edge);
}

.page-faq .switch-card .card-title {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .switch-card p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: rgba(245, 241, 232, .74);
}

.page-faq .switch-card a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(143, 217, 232, .5);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .switch-card a:hover,
.page-faq .switch-card a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-faq .faq-contact {
  display: grid;
  gap: 1.75rem;
  margin-top: 2.75rem;
  padding-top: 2.25rem;
  border-top: 1px solid var(--gold-line);
}

.page-faq .faq-contact-main h2 {
  margin: 0 0 .85rem;
  font-family: var(--font-display);
  font-size: 1.3rem;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .faq-contact-main p {
  margin: 0;
  max-width: 34rem;
  font-size: .95rem;
  line-height: 1.85;
  color: rgba(245, 241, 232, .76);
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.4rem;
}

.page-faq .faq-contact-list {
  display: grid;
  gap: 1rem;
  margin: 0;
}

.page-faq .faq-contact-item {
  padding: 1rem 1.1rem 1.15rem;
  background: rgba(26, 11, 41, .42);
  border: 1px solid var(--gold-line);
  border-radius: 4px;
}

.page-faq .faq-contact-item dt {
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-faq .faq-contact-item dd {
  margin: .45rem 0 .55rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact-item p {
  margin: 0;
  font-size: .85rem;
  line-height: 1.8;
  color: rgba(245, 241, 232, .62);
}

/* ============ 响应式 ============ */
@media (min-width: 720px) {
  .page-faq .faq-hero-band {
    padding: 1.75rem 0 5rem;
  }

  .page-faq .faq-head h1 {
    font-size: 2.4rem;
  }

  .page-faq .faq-head .page-lead {
    font-size: 1.05rem;
  }

  .page-faq .faq-band {
    padding: 4.25rem 0;
  }

  .page-faq .faq-section-head h2 {
    font-size: 1.7rem;
  }

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

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

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

@media (min-width: 960px) {
  .page-faq .faq-hero-band {
    padding: 2.25rem 0 6rem;
  }

  .page-faq .faq-head h1 {
    font-size: 3rem;
  }

  .page-faq .faq-steps-layout {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 3.75rem;
    align-items: start;
    margin-top: 4rem;
  }

  .page-faq .faq-step-figure {
    position: sticky;
    top: 6rem;
  }

  .page-faq .scene-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.1rem;
  }

  .page-faq .faq-qa-list {
    max-width: 52rem;
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 3.5rem;
    align-items: start;
  }
}

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