.page-faq {
  --faq-gap: clamp(20px, 3vw, 40px);
  --faq-line: var(--c-line-soft);
}

/* ---------- 面包屑与首屏 ---------- */
.page-faq .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(22px, 3.6vw, 42px);
}

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

.page-faq .faq-hero__note {
  margin: 24px 0 0;
  max-width: 48ch;
  padding-left: 14px;
  border-left: 2px solid var(--c-orange);
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.85;
}

.page-faq .faq-hero__aside {
  background: linear-gradient(158deg, rgba(19, 28, 68, 0.95), rgba(10, 16, 48, 0.35));
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: clamp(18px, 2.4vw, 26px);
}

.page-faq .faq-hero__aside-title {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

.page-faq .faq-hero__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-faq .faq-hero__list li {
  position: relative;
  padding-left: 18px;
  color: var(--c-text);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-hero__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 8px;
  height: 1px;
  background: var(--c-orange);
}

/* ---------- 章节头部 ---------- */
.page-faq .faq-head {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-head .display-2 {
  margin-top: 10px;
}

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

/* ---------- 通用三步 ---------- */
.page-faq .triage {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .triage__item {
  display: grid;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 28px) 0;
  border-top: 1px solid var(--faq-line);
}

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

.page-faq .triage__num {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.16em;
  line-height: 1.1;
  color: var(--c-cyan);
  border-left: 3px solid var(--c-cyan);
  padding-left: 12px;
}

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

.page-faq .triage__title {
  margin: 0 0 8px;
  color: var(--c-text);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.45;
}

.page-faq .triage__body p {
  margin: 0;
  color: var(--c-muted);
  font-size: 16px;
  line-height: 1.9;
}

.page-faq .triage__body strong {
  color: var(--c-green);
  font-weight: 600;
}

/* ---------- 问答条目 ---------- */
.page-faq .qa-list {
  margin-top: clamp(8px, 1.6vw, 16px);
}

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

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

.page-faq .qa__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 16px;
  gap: 12px;
  align-items: center;
  padding: clamp(16px, 2.2vw, 22px) 0;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .qa__num {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--c-muted);
}

.page-faq .qa__q {
  color: var(--c-text);
  font-size: clamp(16px, 1.8vw, 18px);
  font-weight: 600;
  line-height: 1.6;
}

.page-faq .qa[open] .qa__q {
  color: var(--c-cyan);
}

.page-faq .qa__mark {
  position: relative;
  width: 14px;
  height: 14px;
  justify-self: end;
}

.page-faq .qa__mark::before {
  content: "";
  position: absolute;
  inset: 50% 0 auto 0;
  height: 2px;
  background: var(--c-cyan);
  transform: translateY(-50%);
}

.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  inset: 0 auto auto 50%;
  width: 2px;
  height: 100%;
  background: var(--c-cyan);
  transform: translateX(-50%) scaleY(1);
  transition: transform 0.22s var(--ease);
}

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

.page-faq .qa__body {
  padding: 0 0 clamp(20px, 2.6vw, 28px);
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-muted);
}

.page-faq .qa__body p {
  margin: 0 0 14px;
}

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

.page-faq .qa__label {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 7px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  vertical-align: 2px;
  border-radius: 2px;
}

.page-faq .qa__label--cause {
  color: var(--c-orange);
  border: 1px solid rgba(255, 122, 46, 0.42);
}

.page-faq .qa__label--fix {
  color: var(--c-green);
  border: 1px solid rgba(70, 224, 138, 0.42);
}

.page-faq .qa__steps {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
  counter-reset: qastep;
}

.page-faq .qa__steps > li {
  position: relative;
  padding-left: 32px;
  counter-increment: qastep;
}

.page-faq .qa__steps > li::before {
  content: counter(qastep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.12em;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: clamp(28px, 4vw, 46px) 0 0;
}

.page-faq .faq-figure .media-frame__caption {
  color: var(--c-muted);
}

/* ---------- 章节尾注 ---------- */
.page-faq .faq-tail {
  margin: clamp(22px, 3vw, 32px) 0 0;
  max-width: 46em;
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-muted);
}

/* ---------- 收束区 ---------- */
.page-faq .fallback__grid {
  align-items: start;
}

.page-faq .fallback__prep-title {
  margin: 0 0 18px;
  color: var(--c-text);
  font-size: clamp(17px, 1.9vw, 20px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-faq .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-faq .checklist li {
  position: relative;
  padding-left: 26px;
  color: var(--c-text);
  font-size: 16px;
  line-height: 1.8;
}

.page-faq .checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52em;
  width: 10px;
  height: 10px;
  border: 1px solid var(--c-cyan);
  border-radius: 1px;
}

.page-faq .fallback {
  display: grid;
  gap: 18px;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid rgba(255, 122, 46, 0.5);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(255, 122, 46, 0.09), rgba(5, 10, 30, 0.25));
}

.page-faq .fallback__title {
  margin: 0;
  color: var(--c-text);
  font-size: 16px;
  line-height: 1.85;
}

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

.page-faq .fallback__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  align-items: baseline;
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-text);
}

.page-faq .fallback__key {
  min-width: 78px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-orange);
}

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

.page-faq .fallback .btn {
  justify-self: start;
}

/* ---------- 桌面端布局 ---------- */
@media (min-width: 760px) {
  .page-faq .triage__item {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }

  .page-faq .triage__num {
    padding-top: 5px;
  }

  .page-faq .qa__body {
    padding-left: 39px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-faq .faq-hero__aside {
    margin-top: 6px;
  }
}
</final>
</result>