.page-faq {
  --faq-measure: 680px;
  --faq-rail: 208px;
  display: block;
  color: var(--silver);
}

/* 首屏 */
.page-faq .faq-hero {
  padding-top: clamp(24px, 6vw, 56px);
  padding-bottom: clamp(22px, 4vw, 38px);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(30px, 7.2vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--paper);
  max-width: 18em;
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 660px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--silver);
}

/* 状态色带 */
.page-faq .faq-band-section {
  padding-bottom: clamp(26px, 5vw, 48px);
}

.page-faq .faq-band__caption {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-faq .faq-band__rail {
  height: 6px;
  border-radius: var(--pill);
  margin-bottom: 14px;
  background: linear-gradient(90deg, var(--signal), var(--grass) 28%, var(--amber) 58%, var(--amber-deep) 80%, var(--muted));
}

.page-faq .faq-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-faq .faq-band__seg {
  --seg-color: var(--muted);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--silver);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-faq .faq-band__seg:hover,
.page-faq .faq-band__seg:focus-visible {
  border-color: var(--seg-color);
  background: var(--line);
}

.page-faq .faq-band__dot {
  width: 10px;
  height: 10px;
  flex: none;
  border-radius: 50%;
  background: var(--seg-color);
}

.page-faq .faq-band__seg--live { --seg-color: var(--signal); }
.page-faq .faq-band__seg--low { --seg-color: var(--amber); }
.page-faq .faq-band__seg--book { --seg-color: var(--grass); }
.page-faq .faq-band__seg--transit { --seg-color: var(--amber-deep); }
.page-faq .faq-band__seg--off { --seg-color: var(--muted); }

/* 双栏骨架 */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-top: clamp(8px, 2vw, 18px);
  padding-bottom: clamp(48px, 9vw, 96px);
}

.page-faq .faq-body {
  display: grid;
  gap: clamp(44px, 7vw, 74px);
  min-width: 0;
}

/* 问答目录 */
.page-faq .faq-toc {
  min-width: 0;
}

.page-faq .faq-toc__head {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-faq .faq-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-toc__item {
  flex: 0 0 auto;
}

.page-faq .faq-toc__link {
  display: block;
  padding: 9px 15px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.3;
  white-space: nowrap;
  text-decoration: none;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .faq-toc__link:hover {
  color: var(--paper);
  border-color: var(--silver);
}

/* 章节 */
.page-faq .faq-section {
  scroll-margin-top: 110px;
  min-width: 0;
}

.page-faq .faq-section__title {
  margin: 10px 0 0;
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(22px, 4.4vw, 32px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-section__lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--silver);
}

.page-faq .faq-section__foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-link {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(182, 255, 60, 0.38);
}

.page-faq .faq-link:hover {
  border-bottom-color: var(--signal);
}

.page-faq .faq-section__head + .media-frame {
  margin-top: 26px;
}

/* 折叠条目 */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
  margin-top: 26px;
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-left: 3px solid transparent;
  border-radius: var(--radius-lg);
  background: var(--panel);
  scroll-margin-top: 110px;
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-faq .faq-item[open] {
  border-left-color: var(--signal);
  background: var(--line);
}

.page-faq .faq-item:target {
  border-color: var(--signal);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--silver);
  transition: color 180ms var(--ease);
}

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

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

.page-faq .faq-item__dot {
  width: 9px;
  height: 9px;
  flex: none;
  border-radius: 50%;
  background: var(--dot, var(--muted));
}

.page-faq .faq-item--live { --dot: var(--signal); }
.page-faq .faq-item--low { --dot: var(--amber); }
.page-faq .faq-item--book { --dot: var(--grass); }
.page-faq .faq-item--transit { --dot: var(--amber-deep); }
.page-faq .faq-item--off { --dot: var(--muted); }

.page-faq .faq-item__marker {
  position: relative;
  margin-left: auto;
  width: 12px;
  height: 12px;
  flex: none;
}

.page-faq .faq-item__marker::before,
.page-faq .faq-item__marker::after {
  content: "";
  position: absolute;
  background: var(--muted);
  transition: transform 180ms var(--ease), background 180ms var(--ease);
}

.page-faq .faq-item__marker::before {
  top: 5px;
  left: 0;
  width: 12px;
  height: 2px;
}

.page-faq .faq-item__marker::after {
  top: 0;
  left: 5px;
  width: 2px;
  height: 12px;
}

.page-faq .faq-item[open] .faq-item__marker::before {
  background: var(--signal);
}

.page-faq .faq-item[open] .faq-item__marker::after {
  transform: scaleY(0);
}

.page-faq .faq-item__a {
  padding: 0 20px 18px 39px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--silver);
}

.page-faq .faq-item__a p {
  margin: 0;
}

.page-faq .faq-item__a p + p {
  margin-top: 12px;
}

/* 代际时间轴 */
.page-faq .faq-timeline {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(150px, 1fr);
  gap: 0;
  margin: 28px 0 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  border-top: 1px solid var(--line);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-timeline__node {
  position: relative;
  padding: 20px 16px 0 0;
}

.page-faq .faq-timeline__node::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--silver);
}

.page-faq .faq-timeline__node:first-child::before {
  background: var(--signal);
}

.page-faq .faq-timeline__year {
  display: block;
  font-family: var(--mono);
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-timeline__label {
  display: block;
  margin-top: 6px;
  max-width: 15em;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-split {
  display: grid;
  gap: 22px;
  margin-top: 26px;
}

.page-faq .faq-split__text p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--silver);
}

.page-faq .faq-split__text p + p {
  margin-top: 14px;
}

/* 三步流程 */
.page-faq .faq-steps {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 18px 20px;
  border-radius: var(--radius-lg);
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-faq .faq-step__no {
  font-family: var(--mono);
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--signal);
}

.page-faq .faq-step__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .faq-step__body p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--silver);
}

/* 停产支持卡片 */
.page-faq .faq-cards {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-card {
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--signal);
}

.page-faq .faq-card:nth-child(2) {
  border-top-color: var(--grass);
}

.page-faq .faq-card:nth-child(3) {
  border-top-color: var(--amber);
}

.page-faq .faq-card__value {
  margin: 0;
  font-family: var(--mono);
  font-size: 24px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-card__title {
  margin: 10px 0 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-card__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

/* 服务数据 */
.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-faq .faq-stat {
  padding: 20px 18px;
  background: var(--panel);
  min-width: 0;
}

.page-faq .faq-stat__num {
  display: block;
}

.page-faq .faq-stat__value {
  font-family: var(--mono);
  font-size: clamp(28px, 6vw, 38px);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--signal);
}

.page-faq .faq-stat__unit {
  margin-left: 4px;
  font-size: 13px;
  color: var(--muted);
}

.page-faq .faq-stat__label {
  display: block;
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .faq-prose {
  margin-top: 24px;
}

.page-faq .faq-prose p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--silver);
}

.page-faq .faq-prose p + p {
  margin-top: 14px;
}

/* 咨询清单与联系 */
.page-faq .faq-checklist {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-checklist__item {
  position: relative;
  padding: 14px 0 14px 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-checklist__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--signal);
}

.page-faq .faq-checklist__item strong {
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-contact {
  display: grid;
  gap: 0;
  margin-top: 26px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-faq .faq-contact__row {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

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

.page-faq .faq-contact__label {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-faq .faq-contact__value {
  font-size: 15px;
  line-height: 1.7;
  color: var(--silver);
  word-break: break-word;
}

.page-faq .faq-contact .copy-chip {
  max-width: 100%;
  word-break: break-all;
  align-self: flex-start;
}

.page-faq .faq-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* 平板 */
@media (min-width: 720px) {
  .page-faq .faq-band {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

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

  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 20px;
  }

  .page-faq .faq-contact__row:nth-last-child(2) {
    border-bottom: 0;
  }
}

/* 图文分栏 */
@media (min-width: 860px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 30px;
    align-items: start;
  }
}

/* 桌面双栏 */
@media (min-width: 1024px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail) minmax(0, var(--faq-measure));
    justify-content: center;
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 118px;
  }

  .page-faq .faq-toc__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-toc__item {
    flex: none;
  }

  .page-faq .faq-toc__link {
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    background: none;
    padding: 9px 12px;
    white-space: normal;
    font-size: 14px;
    line-height: 1.6;
  }

  .page-faq .faq-toc__link:hover {
    border-left-color: var(--silver);
    color: var(--paper);
  }

  .page-faq .faq-toc__link[aria-current="true"],
  .page-faq .faq-toc__link[aria-current="page"] {
    border-left-color: var(--signal);
    color: var(--signal);
  }
}
<<<END>>>