.page-faq {
  --faq-flow-gap: 10px;
  display: block;
  background: var(--pv-deep);
}

/* ---------- 首屏 ---------- */
.page-faq .page-faq__hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(18px, 3vw, 30px) clamp(30px, 4.6vw, 54px);
}

.page-faq .page-faq__hero::before {
  content: "";
  position: absolute;
  top: -48%;
  right: -14%;
  width: min(620px, 80vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, var(--pv-cyan-veil), transparent 68%);
  pointer-events: none;
  animation: faq-breath 6s ease-in-out infinite;
}

@keyframes faq-breath {
  0%, 100% { transform: scale(1); opacity: .6; }
  50% { transform: scale(1.1); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .page-faq__hero::before { animation: none; }
}

.page-faq .pv-breadcrumb {
  margin-bottom: clamp(14px, 2vw, 20px);
}

.page-faq .page-faq__h1 {
  position: relative;
  margin: 16px 0 0;
  max-width: 17ch;
  font-family: var(--pv-font-display);
  font-size: clamp(29px, 5.2vw, 54px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -.02em;
  color: #fff;
}

.page-faq .page-faq__lede {
  position: relative;
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.78;
  color: var(--pv-text);
}

/* ---------- 场景切换带 ---------- */
.page-faq .page-faq__scenebar {
  border-block: 1px solid var(--pv-line);
  background: linear-gradient(90deg, rgba(13, 39, 64, .85), rgba(6, 23, 38, .6));
}

.page-faq .page-faq__scene {
  display: flex;
  gap: var(--faq-flow-gap);
  margin: 0;
  padding: 12px 0;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-faq .page-faq__scene::-webkit-scrollbar {
  display: none;
}

.page-faq .page-faq__scene > li {
  scroll-snap-align: start;
  flex: 0 0 auto;
}

.page-faq .page-faq__scene-link {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border: 1px solid var(--pv-line);
  border-radius: 999px;
  font-size: 13px;
  white-space: nowrap;
  color: var(--pv-text);
  text-decoration: none;
  transition: border-color .22s ease, color .22s ease, background-color .22s ease;
}

.page-faq .page-faq__scene-link:hover,
.page-faq .page-faq__scene-link:focus-visible,
.page-faq .page-faq__scene-link[aria-current] {
  border-color: var(--pv-cyan);
  color: var(--pv-cyan);
  background: var(--pv-cyan-veil);
}

/* ---------- 主体布局 ---------- */
.page-faq .page-faq__body {
  padding-block: clamp(28px, 4.4vw, 56px) clamp(48px, 7vw, 96px);
}

.page-faq .page-faq__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

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

/* ---------- 章节 ---------- */
.page-faq .pv-section {
  padding-block: clamp(26px, 3.6vw, 42px);
  scroll-margin-top: 92px;
}

.page-faq .pv-section + .pv-section {
  border-top: 1px solid var(--pv-line);
}

.page-faq .pv-section__head {
  display: block;
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

.page-faq .pv-section__head h2 {
  margin: 12px 0 0;
  max-width: 24ch;
  font-family: var(--pv-font-display);
  font-size: clamp(21px, 3.1vw, 31px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -.015em;
  color: #fff;
}

.page-faq .pv-section__lede {
  margin: 10px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pv-mist);
}

/* ---------- 图示位 ---------- */
.page-faq .page-faq__figure {
  margin: 0 0 clamp(20px, 3vw, 28px);
}

.page-faq .page-faq__figure .pv-figure__img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 步骤条 ---------- */
.page-faq .pv-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .pv-step {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 22px;
}

.page-faq .pv-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 50px;
  bottom: 6px;
  border-left: 1px dashed var(--pv-line);
}

.page-faq .pv-step__no {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--pv-cyan);
  border-radius: 50%;
  background: radial-gradient(circle at 50% 28%, rgba(52, 226, 210, .22), transparent 72%);
  font-family: var(--pv-font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--pv-cyan);
}

.page-faq .pv-step__body {
  min-width: 0;
}

.page-faq .pv-step__title {
  margin: 9px 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: #fff;
}

.page-faq .pv-step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--pv-mist);
}

/* ---------- 路径示意条 ---------- */
.page-faq .pv-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin: 0 0 clamp(18px, 2.6vw, 24px);
  padding: 14px 16px;
  border: 1px solid var(--pv-line);
  border-radius: 16px;
  background: rgba(13, 39, 64, .6);
  list-style: none;
}

.page-faq .pv-flow__node {
  position: relative;
  padding: 6px 12px;
  border: 1px dashed var(--pv-line);
  border-radius: 8px;
  font-family: var(--pv-font-mono);
  font-size: 12.5px;
  color: var(--pv-text);
}

.page-faq .pv-flow__node + .pv-flow__node::before {
  content: "›";
  position: absolute;
  left: -14px;
  top: 50%;
  transform: translateY(-52%);
  font-family: var(--pv-font-body);
  font-size: 15px;
  color: var(--pv-mist);
}

.page-faq .pv-flow__node--hit {
  border-style: solid;
  border-color: var(--pv-orange);
  background: rgba(255, 122, 43, .12);
  color: var(--pv-orange);
}

/* ---------- 提示面板 ---------- */
.page-faq .page-faq__notice {
  margin-top: clamp(18px, 2.6vw, 24px);
  padding: clamp(18px, 2.6vw, 24px);
}

.page-faq .page-faq__notice-text {
  margin: 10px 0 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--pv-text);
}

/* ---------- 折叠面板 ---------- */
.page-faq .pv-fold {
  margin-bottom: 10px;
  padding: 0 16px;
  border: 1px solid var(--pv-line);
  border-radius: 14px;
  background: rgba(13, 39, 64, .42);
  transition: background-color .22s ease, border-color .22s ease;
}

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

.page-faq .pv-fold[open] {
  background: rgba(13, 39, 64, .82);
  border-color: var(--pv-line);
}

.page-faq .pv-fold summary {
  padding: 14px 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: #fff;
  cursor: pointer;
}

.page-faq .pv-fold__body {
  padding-bottom: 16px;
}

.page-faq .pv-fold__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--pv-mist);
}

/* ---------- 排查清单 ---------- */
.page-faq .pv-triage {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .pv-triage__item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--pv-line);
  border-left: 3px solid var(--pv-orange);
  border-radius: 12px;
  background: rgba(13, 39, 64, .5);
}

.page-faq .pv-triage__sym {
  padding-top: 3px;
  font-family: var(--pv-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--pv-amber);
}

.page-faq .pv-triage__title {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
  color: #fff;
}

.page-faq .pv-triage__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--pv-mist);
}

.page-faq .page-faq__aside-link {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--pv-mist);
}

/* ---------- 按钮行 ---------- */
.page-faq .page-faq__cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 2.6vw, 24px);
}

/* ---------- 联系面板 ---------- */
.page-faq .page-faq__contact {
  display: grid;
  gap: clamp(20px, 3vw, 28px);
  padding: clamp(22px, 3.2vw, 36px);
}

.page-faq .page-faq__contact .pv-label {
  color: var(--pv-ink);
  opacity: .68;
}

.page-faq .page-faq__contact h2 {
  margin: 12px 0 0;
  max-width: 22ch;
  font-family: var(--pv-font-display);
  font-size: clamp(20px, 2.9vw, 28px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--pv-ink);
}

.page-faq .page-faq__contact p {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--pv-ink);
}

.page-faq .page-faq__contact strong {
  font-family: var(--pv-font-mono);
  font-size: 14px;
  font-weight: 600;
  word-break: break-all;
}

.page-faq .page-faq__contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-faq .page-faq__contact-actions .pv-copy__status {
  margin-left: 8px;
  font-size: 12px;
}

/* ---------- 速查窄栏 ---------- */
.page-faq .page-faq__aside {
  padding: clamp(18px, 2.6vw, 22px);
  border: 1px solid var(--pv-line);
  border-radius: var(--pv-radius);
  background: linear-gradient(160deg, rgba(13, 39, 64, .96), rgba(6, 23, 38, .92));
  box-shadow: 0 26px 60px -34px rgba(0, 0, 0, .9);
}

.page-faq .page-faq__aside-summary {
  display: block;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--pv-line);
  font-family: var(--pv-font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--pv-cyan);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .page-faq__glance {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 14px 0 0;
  list-style: none;
}

.page-faq .page-faq__glance-item {
  padding-top: 12px;
  border-top: 1px dashed var(--pv-line);
}

.page-faq .page-faq__glance-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-faq .page-faq__glance-key {
  display: block;
  margin-bottom: 4px;
  font-family: var(--pv-font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--pv-mist);
}

.page-faq .page-faq__glance-val {
  display: block;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--pv-text);
}

/* ---------- 窄屏微调 ---------- */
@media (max-width: 520px) {
  .page-faq .page-faq__h1 {
    max-width: none;
  }

  .page-faq .pv-step {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 12px;
  }

  .page-faq .pv-step__no {
    width: 38px;
    height: 38px;
    font-size: 12px;
  }

  .page-faq .pv-step:not(:last-child)::before {
    left: 18px;
    top: 44px;
  }

  .page-faq .pv-triage__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .page-faq .pv-flow {
    gap: 14px;
  }
}

/* ---------- 桌面端：双栏 + 粘性速查 ---------- */
@media (min-width: 1024px) {
  .page-faq .page-faq__layout {
    grid-template-columns: minmax(0, 1.72fr) minmax(268px, .82fr);
  }

  .page-faq .page-faq__aside {
    position: sticky;
    top: 92px;
    align-self: start;
  }

  .page-faq .page-faq__aside-summary {
    cursor: default;
  }

  .page-faq .page-faq__contact {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}
<<<END>>>