.page-faq {
  padding-bottom: clamp(56px, 9vw, 110px);
}

.page-faq .breadcrumbs {
  padding-top: 18px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: clamp(26px, 5vw, 56px) 0 clamp(22px, 3.5vw, 38px);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan-400), var(--orange-500) 55%, var(--magenta-500));
  opacity: .5;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  max-width: 20em;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(29px, 5.4vw, 50px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--text-strong);
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 46em;
  font-size: clamp(15.5px, 1.7vw, 17.5px);
  line-height: 1.78;
  color: var(--text-dim);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 28px 0 0;
}

.page-faq .faq-hero__stats > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 15px 17px;
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--cyan-400);
  border-radius: var(--radius);
  background: var(--ink-800);
}

.page-faq .faq-hero__stats dt {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 14.5px;
  letter-spacing: -0.01em;
  color: var(--text-strong);
}

.page-faq .faq-hero__stats dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dim);
}

@media (min-width: 760px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--gap);
  }
}

/* ---------- 侧轴 + 内容主体 ---------- */

.page-faq .faq-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 36px);
  align-items: start;
  padding-top: clamp(22px, 4vw, 40px);
  padding-bottom: 0;
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .faq-rail__link {
  display: block;
  padding: 8px 14px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  color: var(--text-dim);
  transition: color .16s ease, background-color .16s ease, border-color .16s ease;
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--cyan-400);
  border-color: var(--line-cyan);
}

.page-faq .faq-rail__link.is-active,
.page-faq .faq-rail__link[aria-current="true"] {
  color: var(--ink-900);
  background: var(--cyan-400);
  border-color: var(--cyan-400);
}

@media (min-width: 1000px) {
  .page-faq .faq-shell {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: clamp(30px, 4vw, 58px);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    gap: 0;
    padding: 0;
    overflow: visible;
    border-left: 1px solid var(--line-cyan);
  }

  .page-faq .faq-rail__link {
    position: relative;
    padding: 9px 0 9px 16px;
    border: 0;
    border-radius: 0;
    white-space: normal;
    background: none;
  }

  .page-faq .faq-rail__link::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 50%;
    width: 2px;
    height: 18px;
    background: var(--cyan-400);
    transform: translateY(-50%) scaleY(0);
    transition: transform .16s ease;
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    color: var(--cyan-400);
    border-color: transparent;
    background: none;
  }

  .page-faq .faq-rail__link.is-active,
  .page-faq .faq-rail__link[aria-current="true"] {
    color: var(--cyan-400);
    background: none;
  }

  .page-faq .faq-rail__link.is-active::before,
  .page-faq .faq-rail__link[aria-current="true"]::before {
    transform: translateY(-50%) scaleY(1);
  }
}

/* ---------- 章节 ---------- */

.page-faq .faq-section {
  scroll-margin-top: 110px;
}

.page-faq .faq-section + .faq-section {
  margin-top: clamp(34px, 5vw, 58px);
  padding-top: clamp(30px, 4vw, 50px);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-section h2 {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.24;
  letter-spacing: -0.015em;
  color: var(--text-strong);
}

.page-faq .faq-section__lede {
  margin: 14px 0 0;
  max-width: 44em;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-section__note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line-cyan);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-dim);
}

/* ---------- 卡片 ---------- */

.page-faq .path-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--ink-700);
  overflow: hidden;
  transition: transform .16s ease, border-color .16s ease;
}

.page-faq .path-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent, var(--cyan-400));
}

.page-faq .path-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-cyan);
}

.page-faq .path-card--ok { --accent: var(--green-400); }
.page-faq .path-card--warn { --accent: var(--orange-500); }
.page-faq .path-card--fixed { --accent: var(--magenta-500); }

.page-faq .path-card__node {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--cyan-400);
  border: 1px solid var(--line-cyan);
  background: rgba(36, 224, 206, .1);
}

.page-faq .path-card--ok .path-card__node {
  color: var(--green-400);
  border-color: rgba(56, 217, 122, .5);
  background: rgba(56, 217, 122, .1);
}

.page-faq .path-card--warn .path-card__node {
  color: var(--orange-500);
  border-color: rgba(255, 122, 42, .5);
  background: rgba(255, 122, 42, .1);
}

.page-faq .path-card--fixed .path-card__node {
  color: var(--magenta-500);
  border-color: rgba(255, 60, 134, .5);
  background: rgba(255, 60, 134, .1);
}

.page-faq .path-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text-strong);
}

.page-faq .path-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-faq .faq-step-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-step-grid .path-card .chip {
  align-self: flex-start;
  margin-top: auto;
}

@media (min-width: 680px) {
  .page-faq .faq-step-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 图文分栏 ---------- */

.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(20px, 3vw, 30px);
  align-items: start;
}

.page-faq .faq-split__media {
  margin: 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-faq .faq-split__media .media-frame__caption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-dim);
}

@media (min-width: 860px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }

  .page-faq .faq-split--flip {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  }

  .page-faq .faq-split--flip .faq-split__media {
    order: -1;
  }
}

/* ---------- 列表与步骤 ---------- */

.page-faq .faq-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--text);
}

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan-400);
  opacity: .85;
}

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

.page-faq .faq-steps {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
}

.page-faq .faq-steps li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--ink-800);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

.page-faq .faq-steps__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .06em;
  color: var(--orange-500);
}

/* ---------- 同步网格 ---------- */

.page-faq .sync-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  margin-top: clamp(20px, 3vw, 30px);
}

@media (min-width: 700px) {
  .page-faq .sync-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .sync-grid > :nth-child(2n) {
    margin-top: 26px;
  }
}

/* ---------- 客服信息卡 ---------- */

.page-faq .info-card {
  margin-top: clamp(20px, 3vw, 30px);
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background: var(--ink-800);
}

.page-faq .contact-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
}

.page-faq .contact-fields > div {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-faq .contact-fields dt {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 14px;
  line-height: 1.65;
  color: var(--cyan-400);
}

.page-faq .contact-fields dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
}

@media (min-width: 640px) {
  .page-faq .contact-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 36px);
  }
}

.page-faq .faq-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 24px;
}

.page-faq .faq-cta__text {
  margin: 0;
  flex: 1 1 260px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 问答折叠 ---------- */

.page-faq .qa-list {
  display: grid;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .qa-item {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--ink-800);
  overflow: hidden;
  transition: border-color .16s ease;
}

.page-faq .qa-item:hover {
  border-color: var(--line-cyan);
}

.page-faq .qa-item summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--text-strong);
  transition: color .16s ease;
}

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

.page-faq .qa-item summary::before {
  content: "+";
  flex: 0 0 auto;
  width: 18px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.32;
  color: var(--orange-500);
}

.page-faq .qa-item[open] summary::before {
  content: "–";
  color: var(--cyan-400);
}

.page-faq .qa-item summary:hover {
  color: var(--cyan-400);
}

.page-faq .qa-item p {
  margin: 0;
  padding: 0 18px 18px 48px;
  font-size: 15px;
  line-height: 1.76;
  color: var(--text-dim);
}

@media (min-width: 760px) {
  .page-faq .qa-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--gap);
  }
}
<<<END>>>