.page-faq,
.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  position: relative;
  background: var(--ink-900);
  color: var(--white);
  padding: clamp(1.75rem, 5vw, 3.25rem) 0 clamp(2.5rem, 6vw, 4rem);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(170deg, rgba(11, 74, 127, 0.62) 0%, rgba(5, 7, 10, 0) 58%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 64px);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: var(--orange-500);
}

.page-faq .faq-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__frame {
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: clamp(1.25rem, 3.2vw, 2.5rem);
}

.page-faq .faq-hero .breadcrumb {
  margin: 0 0 1.25rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.55);
}

.page-faq .faq-hero .breadcrumb a {
  color: rgba(255, 255, 255, 0.86);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease), color var(--ease);
}

.page-faq .faq-hero .breadcrumb a:hover {
  color: var(--white);
  border-bottom-color: var(--orange-500);
}

.page-faq .faq-hero .eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--blue-400);
}

.page-faq .faq-hero h1 {
  margin: 0 0 1.125rem;
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.02em;
  max-width: 20em;
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 40em;
  font-size: clamp(1rem, 1.3vw, 1.0625rem);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.76);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem 1.5rem;
  margin: 2rem 0 0;
  padding: 1.5rem 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  list-style: none;
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}

.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 2.4vw, 1.625rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
  line-height: 1.1;
}

.page-faq .faq-stat__label {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.6);
}

/* ============ 通用小节标题 ============ */
.page-faq .faq-section__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.35rem 0.875rem;
  align-items: baseline;
  margin: 0 0 1.75rem;
}

.page-faq .faq-section__no {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--orange-500);
}

.page-faq .faq-section__head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.375rem, 3vw, 2rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-faq .faq-section__lead {
  grid-column: 2;
  margin: 0.5rem 0 0;
  max-width: 36em;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--text-soft);
}

/* ============ 场景分类 ============ */
.page-faq .faq-scene {
  background: var(--gray-050);
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.page-faq .scene__figure {
  margin: 0 0 1.75rem;
}

.page-faq .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .media-caption {
  display: block;
  margin-top: 0.625rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--text-mute);
}

.page-faq .scene__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--gray-300);
  border: 1px solid var(--gray-300);
}

.page-faq .scene-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.875rem;
  min-height: 68px;
  padding: 1.125rem 1.125rem 1.125rem 1.5rem;
  background: var(--white);
  text-decoration: none;
  color: var(--ink-900);
  transition: background var(--ease);
}

.page-faq .scene-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--blue-400);
  transition: background var(--ease), width var(--ease);
}

.page-faq .scene-card:hover,
.page-faq .scene-card:focus-visible {
  background: var(--orange-100);
}

.page-faq .scene-card:hover::before,
.page-faq .scene-card:focus-visible::before {
  width: 5px;
  background: var(--orange-500);
}

.page-faq .scene-card__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-mute);
  transition: color var(--ease);
}

.page-faq .scene-card:hover .scene-card__no {
  color: var(--blue-600);
}

.page-faq .scene-card__title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  transition: color var(--ease);
}

.page-faq .scene-card:hover .scene-card__title {
  color: var(--blue-600);
}

/* ============ 工作台 ============ */
.page-faq .faq-workspace {
  background: var(--white);
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.page-faq .workspace {
  display: grid;
  gap: 2rem;
}

.page-faq .side-panel {
  background: var(--gray-050);
  border: 1px solid var(--gray-300);
  border-top: 3px solid var(--blue-600);
  padding: 1.25rem 1.125rem 1.5rem;
}

.page-faq .side-panel__title {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--ink-900);
}

.page-faq .search-box__input {
  width: 100%;
  font: inherit;
  font-size: 0.9375rem;
  padding: 0.7rem 0.75rem;
  border: 1px solid var(--gray-300);
  border-radius: 0;
  background: var(--white);
  color: var(--ink-900);
  transition: border-color var(--ease), box-shadow var(--ease);
}

.page-faq .search-box__input::placeholder {
  color: var(--text-mute);
}

.page-faq .search-box__input:focus {
  outline: none;
  border-color: var(--blue-600);
  box-shadow: 0 0 0 3px rgba(11, 74, 127, 0.14);
}

.page-faq .search-box__count {
  margin: 0.625rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-mute);
}

.page-faq .search-box__count [data-search-count] {
  font-weight: 700;
  color: var(--blue-600);
}

.page-faq .side-links {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  margin-top: 1.25rem;
  padding-top: 1.125rem;
  border-top: 1px solid var(--gray-300);
}

.page-faq .side-links a {
  position: relative;
  display: block;
  padding: 0.45rem 0 0.45rem 0.95rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-soft);
  text-decoration: none;
  transition: color var(--ease), padding-left var(--ease);
}

.page-faq .side-links a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-right: 2px solid var(--blue-400);
  border-bottom: 2px solid var(--blue-400);
  transform: rotate(-45deg);
  transition: border-color var(--ease);
}

.page-faq .side-links a:hover {
  color: var(--blue-600);
  padding-left: 1.2rem;
}

.page-faq .side-links a:hover::before {
  border-color: var(--orange-500);
}

/* ============ 问题分组 ============ */
.page-faq .faq-group {
  margin: 0 0 2.75rem;
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding-bottom: 0.7rem;
  border-bottom: 2px solid var(--ink-900);
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--orange-500);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.125rem, 2.2vw, 1.375rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-faq .qa {
  position: relative;
  border-bottom: 1px solid var(--gray-300);
  transition: opacity var(--ease);
}

.page-faq .qa__q {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 1.125rem 0.25rem 1.125rem 1.125rem;
  cursor: pointer;
  list-style: none;
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.62;
  color: var(--ink-900);
  transition: background var(--ease), color var(--ease);
}

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

.page-faq .qa__q::marker {
  content: "";
}

.page-faq .qa__q::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.3rem;
  bottom: 1.3rem;
  width: 3px;
  background: transparent;
  transition: background var(--ease);
}

.page-faq .qa[open] > .qa__q::before {
  background: var(--orange-500);
}

.page-faq .qa__q:hover {
  color: var(--blue-600);
}

.page-faq .qa__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa__no {
  flex: 0 0 auto;
  padding-top: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--text-mute);
}

.page-faq .qa__mark {
  position: relative;
  flex: 0 0 auto;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.3rem;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--blue-600);
  transform: translate(-50%, -50%);
  transition: transform var(--ease), background var(--ease);
}

.page-faq .qa__mark::before {
  width: 14px;
  height: 2px;
}

.page-faq .qa__mark::after {
  width: 2px;
  height: 14px;
}

.page-faq .qa[open] .qa__mark::before {
  background: var(--orange-500);
}

.page-faq .qa[open] .qa__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .qa__a {
  padding: 0 2.75rem 1.5rem 1.125rem;
  font-size: 0.9375rem;
  line-height: 1.82;
  color: var(--text-soft);
}

.page-faq .qa[open] .qa__a {
  animation: faq-reveal 180ms ease;
}

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

.page-faq .qa__a p {
  margin: 0 0 0.75rem;
  max-width: 36em;
}

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

.page-faq .qa__a a {
  color: var(--blue-600);
  text-decoration: none;
  border-bottom: 1px solid var(--blue-400);
  transition: color var(--ease), border-color var(--ease);
}

.page-faq .qa__a a:hover {
  color: var(--orange-500);
  border-bottom-color: var(--orange-500);
}

.page-faq [data-search-item][data-filtered="out"] {
  opacity: 0.24;
}

/* ============ 联系支持前的准备 ============ */
.page-faq .faq-prep {
  background: var(--ink-800);
  color: var(--white);
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.page-faq .faq-prep .faq-section__head h2 {
  color: var(--white);
}

.page-faq .faq-prep .faq-section__lead {
  color: rgba(255, 255, 255, 0.68);
}

.page-faq .prep__grid {
  display: grid;
  gap: 2rem;
  align-items: start;
}

.page-faq .prep__list {
  background: var(--glass);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 1.5rem 1.375rem;
}

.page-faq .prep__list h3 {
  margin: 0 0 1.125rem;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-faq .prep__list ul {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .prep__list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.82);
}

.page-faq .prep__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--blue-400);
}

.page-faq .prep__figure {
  margin: 0;
}

.page-faq .faq-prep .media-caption {
  color: rgba(255, 255, 255, 0.55);
}

.page-faq .prep__contact {
  display: grid;
  gap: 1.5rem;
  margin-top: 2.25rem;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.page-faq .prep__item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 0;
}

.page-faq .prep__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--blue-400);
}

.page-faq .prep__value {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.86);
  word-break: break-word;
}

.page-faq .prep__value--mono {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--white);
}

.page-faq .faq-prep .prep__value a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  border-bottom: 1px solid var(--blue-400);
  transition: color var(--ease), border-color var(--ease);
}

.page-faq .faq-prep .prep__value a:hover {
  color: var(--orange-500);
  border-bottom-color: var(--orange-500);
}

/* ============ 还没解决 ============ */
.page-faq .faq-escalate {
  background: var(--gray-050);
  border-top: 1px solid var(--gray-300);
  padding: clamp(2.25rem, 5vw, 3.5rem) 0;
}

.page-faq .escalate {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

.page-faq .escalate h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
  font-size: clamp(1.25rem, 2.6vw, 1.75rem);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-faq .escalate p {
  margin: 0;
  max-width: 42em;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-faq .escalate .btn {
  justify-self: start;
  white-space: nowrap;
}

/* ============ 响应式 ============ */
@media (min-width: 560px) {
  .page-faq .scene__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-stats {
    gap: 1.5rem 2rem;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .prep__contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.75rem;
  }
}

@media (min-width: 860px) {
  .page-faq .scene__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-faq .escalate {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 2.5rem;
  }

  .page-faq .escalate .btn {
    justify-self: end;
  }
}

@media (min-width: 1000px) {
  .page-faq .workspace {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 3rem;
    align-items: start;
  }

  .page-faq .faq-main {
    grid-column: 1;
    grid-row: 1;
    min-width: 0;
  }

  .page-faq .side-panel {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 7rem;
  }
}

@media (max-width: 420px) {
  .page-faq .faq-stats {
    grid-template-columns: 1fr;
  }

  .page-faq .qa__no {
    display: none;
  }

  .page-faq .qa__a {
    padding-right: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0ms !important;
    animation-duration: 0ms !important;
  }
}
<<<END>>>