.page-faq {
  --faq-rail-line: rgba(63, 224, 200, 0.22);
  --faq-soft: rgba(63, 224, 200, 0.06);
  --faq-amber-soft: rgba(255, 168, 61, 0.08);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: 26px;
}

.page-faq .faq-hero__frame {
  position: relative;
  border: 1px solid var(--line);
  padding: clamp(18px, 3vw, 34px);
  background:
    linear-gradient(140deg, rgba(63, 224, 200, 0.05), transparent 46%),
    var(--ink-3);
}

.page-faq .faq-hero__frame::before,
.page-faq .faq-hero__frame::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--line-cyan);
  pointer-events: none;
}

.page-faq .faq-hero__frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-faq .faq-hero__frame::after {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 18px;
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-hero__meta .section__label {
  margin: 0;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 28px;
  padding-top: 26px;
}

.page-faq .faq-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 7vw, 60px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-faq .faq-hero__title span {
  display: block;
  color: var(--cyan);
}

.page-faq .faq-hero__lede {
  margin-top: 18px;
  max-width: 34em;
  color: var(--text-2);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-hero__hint {
  margin: 16px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

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

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

/* ---------- 主体双栏 ---------- */
.page-faq .faq-body {
  padding-top: 44px;
}

.page-faq .faq-layout {
  display: grid;
  gap: 34px;
}

/* ---------- 阶段索引 ---------- */
.page-faq .stage-rail {
  align-self: start;
}

.page-faq .stage-rail__title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .stage-list {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 0;
}

.page-faq .stage-list::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 22px;
  bottom: 22px;
  width: 1px;
  background: var(--faq-rail-line);
}

.page-faq .stage-link {
  position: relative;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 11px 12px 11px 0;
  border: 1px solid transparent;
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text-2);
  transition: border-color 150ms var(--ease), background-color 150ms var(--ease), color 150ms var(--ease);
}

.page-faq .stage-link:hover,
.page-faq .stage-link:focus-visible {
  border-color: var(--line-cyan);
  background: var(--ink-2);
  color: var(--text);
}

.page-faq .stage-link__idx {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  margin-left: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--cyan);
  background: var(--ink);
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius);
}

.page-faq .stage-link:hover .stage-link__idx {
  background: var(--faq-soft);
}

.page-faq .stage-link__text {
  display: block;
  min-width: 0;
}

.page-faq .stage-link__name {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.page-faq .stage-link__note {
  display: block;
  margin-top: 3px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 问答区块 ---------- */
.page-faq .faq-stream {
  min-width: 0;
}

.page-faq .faq-block {
  padding-bottom: 52px;
}

.page-faq .faq-block + .faq-block {
  padding-top: 46px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-block__head {
  display: grid;
  gap: 10px;
  margin-bottom: 26px;
}

.page-faq .faq-block__idx {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .faq-block__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 4.2vw, 34px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .faq-block__desc {
  margin: 0;
  max-width: 38em;
  color: var(--muted);
  font-size: 15px;
}

/* ---------- 问答条目 ---------- */
.page-faq .qa-list {
  display: flex;
  flex-direction: column;
}

.page-faq .qa {
  position: relative;
  border-top: 1px solid var(--line);
}

.page-faq .qa:last-child {
  border-bottom: 1px solid var(--line);
}

.page-faq .qa::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: transparent;
  transition: background-color 150ms var(--ease);
}

.page-faq .qa:has(.qa__head[aria-expanded="true"])::before {
  background: var(--cyan);
}

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

.page-faq .qa__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  width: 100%;
  margin: 0;
  padding: 18px 34px 18px 0;
  background: none;
  border: 0;
  text-align: left;
  color: var(--text);
  cursor: pointer;
  transition: background-color 150ms var(--ease);
}

.page-faq .qa__head:hover {
  background: rgba(63, 224, 200, 0.035);
}

.page-faq .qa__num {
  flex: none;
  font-size: 12px;
  color: var(--muted);
}

.page-faq .qa__title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  transition: color 150ms var(--ease);
}

.page-faq .qa__head:hover .qa__title {
  color: var(--cyan-soft);
}

.page-faq .qa__head[aria-expanded="true"] .qa__title {
  color: var(--cyan);
}

.page-faq .qa__anchor {
  position: absolute;
  right: 34px;
  top: 21px;
  font-size: 11px;
  color: var(--cyan);
  opacity: 0;
  transition: opacity 150ms var(--ease);
  pointer-events: none;
}

.page-faq .qa:has(.qa__head[aria-expanded="true"]) .qa__anchor {
  opacity: 1;
}

.page-faq .qa__inner {
  padding: 0 0 24px 0;
  font-size: 15px;
  color: var(--text-2);
}

.page-faq .qa__inner p {
  margin: 0 0 12px;
  max-width: 36em;
  line-height: 1.75;
}

.page-faq .qa__inner a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-faq .qa__inner a:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

.page-faq .qa__conclusion {
  padding: 10px 14px;
  border-left: 2px solid var(--amber);
  background: var(--faq-amber-soft);
  color: var(--text);
}

.page-faq .qa__steps,
.page-faq .qa__bullets {
  margin: 6px 0 14px;
  padding: 0;
  list-style: none;
}

.page-faq .qa__steps {
  counter-reset: qa-step;
}

.page-faq .qa__steps li {
  position: relative;
  padding-left: 34px;
  margin-bottom: 10px;
  line-height: 1.7;
}

.page-faq .qa__steps li::before {
  counter-increment: qa-step;
  content: counter(qa-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  border: 1px solid var(--line-cyan);
}

.page-faq .qa__bullets li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 8px;
  line-height: 1.7;
}

.page-faq .qa__bullets li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 11px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-faq .qa__note {
  padding: 14px 16px;
  background: var(--paper);
  color: var(--paper-ink);
  border: 2px solid var(--paper-ink);
  box-shadow: var(--shadow-paper);
  font-size: 14px;
}

.page-faq .qa__note .path {
  background: rgba(22, 32, 46, 0.08);
  border-color: rgba(22, 32, 46, 0.28);
  color: var(--paper-ink);
}

.page-faq .path {
  display: inline-block;
  padding: 1px 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--cyan-soft);
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

/* ---------- 流程图 ---------- */
.page-faq .faq-diagram {
  margin: 0 0 26px;
}

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

.page-faq .img-frame {
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-faq .img-frame__caption {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 支持渠道 ---------- */
.page-faq .faq-support {
  display: grid;
  gap: 16px;
}

.page-faq .support-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
  transition: border-color 150ms var(--ease);
}

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

.page-faq .support-card--ticket {
  background:
    linear-gradient(160deg, var(--faq-amber-soft), transparent 58%),
    var(--ink-2);
}

.page-faq .support-card__tag {
  align-self: flex-start;
  margin: 0;
  font-size: 12px;
}

.page-faq .support-card__title {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}

.page-faq .support-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-2);
  max-width: 34em;
}

.page-faq .support-card__meta {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-faq .support-card--paper {
  background: var(--paper);
  color: var(--paper-ink);
  border: 2px solid var(--paper-ink);
  box-shadow: var(--shadow-paper);
}

.page-faq .support-card--paper:hover {
  border-color: var(--paper-ink);
}

.page-faq .support-card--paper .support-card__title,
.page-faq .support-card--paper .support-card__text {
  color: var(--paper-ink);
}

.page-faq .support-card--paper .support-card__tag {
  background: rgba(22, 32, 46, 0.08);
  border-color: rgba(22, 32, 46, 0.3);
  color: var(--paper-ink);
}

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

.page-faq .support-card__list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 7px;
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .support-card__list li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 11px;
  width: 8px;
  height: 1px;
  background: var(--paper-ink);
}

.page-faq .support-card__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(22, 32, 46, 0.78);
}

.page-faq .support-card__note a {
  color: var(--paper-ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(22, 32, 46, 0.45);
}

.page-faq .support-card__note a:hover {
  border-bottom-color: var(--paper-ink);
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-support {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-hero__actions {
    gap: 14px;
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: 40px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 46px;
    align-items: center;
  }

  .page-faq .faq-body {
    padding-top: 60px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-faq .stage-rail {
    position: sticky;
    top: calc(var(--bar-h) + 26px);
  }

  .page-faq .faq-block + .faq-block {
    padding-top: 54px;
  }
}

@media (min-width: 1200px) {
  .page-faq .qa__title {
    font-size: 17px;
  }
}
<<<END>>>