.page-faq {
  --faq-rail-w: 232px;
  padding-bottom: clamp(48px, 8vw, 96px);
}

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

.page-faq .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 26px;
  align-items: center;
  padding-bottom: clamp(34px, 5vw, 56px);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--volt);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-faq .faq-kicker::before {
  content: "";
  width: 26px;
  height: 3px;
  background: var(--volt);
  border-radius: var(--pill);
}

.page-faq .faq-title {
  margin: 0 0 16px;
  font-size: clamp(2rem, 6.4vw, 3.6rem);
  line-height: 1.04;
  letter-spacing: 0.01em;
}

.page-faq .faq-lead {
  margin: 0 0 20px;
  max-width: 52ch;
  color: var(--text-dim);
  font-size: clamp(0.95rem, 2.4vw, 1.05rem);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-hero__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}

/* ---------- 分诊三入口 ---------- */
.page-faq .faq-triage__sub {
  margin: 8px 0 0;
  color: var(--text-mute);
  font-size: 0.9rem;
}

.page-faq .triage {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-faq .triage-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(158deg, var(--panel), var(--panel-deep));
  text-decoration: none;
  color: var(--mist);
  transition: transform 240ms var(--ease), border-color 240ms var(--ease);
}

.page-faq .triage-card::before {
  content: "";
  position: absolute;
  top: 20px;
  right: 20px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--volt);
}

.page-faq .triage-card--flare::before {
  background: var(--flare);
}

.page-faq .triage-card--steel::before {
  background: var(--steel);
}

.page-faq .triage-card__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--text-mute);
}

.page-faq .triage-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-faq .triage-card__desc {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text-dim);
}

.page-faq .triage-card__go {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--volt);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-faq .triage-card--flare .triage-card__go {
  color: var(--flare-soft);
}

.page-faq .triage-card--steel .triage-card__go {
  color: var(--steel);
}

.page-faq .triage-card__go::after {
  content: "→";
}

.page-faq .triage-card:hover,
.page-faq .triage-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--volt);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 32px;
  margin-top: clamp(36px, 5vw, 60px);
  align-items: start;
}

.page-faq .faq-rail {
  border-left: 2px solid var(--volt);
  padding-left: 16px;
}

.page-faq .faq-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--text-mute);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
}

.page-faq .faq-rail__link {
  display: inline-block;
  padding: 4px 0;
  font-size: 0.9rem;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--volt);
  border-bottom-color: var(--volt);
}

.page-faq .rail-card {
  display: none;
}

/* ---------- 问答组 ---------- */
.page-faq .faq-answers {
  display: grid;
  gap: clamp(30px, 4.5vw, 52px);
  min-width: 0;
}

.page-faq .faq-group {
  min-width: 0;
  scroll-margin-top: 96px;
}

.page-faq .faq-group__head {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.page-faq .faq-group__head .tag {
  justify-self: start;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-faq .faq-group__desc {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-mute);
}

.page-faq .qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  background: var(--panel-deep);
  padding: 0 16px;
  transition: border-color 220ms var(--ease), background-color 220ms var(--ease);
}

.page-faq .qa[open] {
  border-color: rgba(200, 255, 61, 0.45);
  background: var(--panel);
}

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 0.96rem;
  line-height: 1.5;
}

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

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--volt);
}

.page-faq .qa[open] .qa__q::after {
  content: "−";
}

.page-faq .qa__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--steel);
  flex: none;
}

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

.page-faq .qa__body {
  padding: 12px 0 16px;
  border-top: 1px dashed var(--line);
}

.page-faq .qa__a {
  margin: 0 0 12px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .qa__next {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--volt);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, 0.5);
  padding-bottom: 2px;
}

.page-faq .qa__next::after {
  content: "→";
}

.page-faq .qa__next:hover,
.page-faq .qa__next:focus-visible {
  color: var(--volt-soft);
  border-bottom-color: var(--volt-soft);
}

/* ---------- 旧版档案组 ---------- */
.page-faq .faq-group__body {
  display: grid;
  gap: 20px;
  align-items: start;
}

.page-faq .archive-figure {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid rgba(216, 209, 192, 0.35);
}

.page-faq .archive-figure__cap {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: #4A463C;
  background: var(--paper);
}

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

.page-faq .support-card {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(20px, 4vw, 30px);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(200, 255, 61, 0.12), transparent 55%),
    linear-gradient(160deg, var(--panel), var(--panel-deep));
}

.page-faq .support-row {
  display: grid;
  gap: 5px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .support-label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--text-mute);
}

.page-faq .support-value {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--mist);
  word-break: break-word;
}

.page-faq .support-note {
  margin: 16px 0 0;
  font-size: 0.85rem;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-faq .support-side {
  border: 1px dashed var(--line);
  border-radius: var(--r-md);
  padding: 20px;
}

.page-faq .support-side__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  color: var(--mist);
}

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

.page-faq .support-side__list a {
  display: block;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--steel);
  text-decoration: none;
  border-left: 2px solid var(--line);
  padding-left: 10px;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-faq .support-side__list a:hover,
.page-faq .support-side__list a:focus-visible {
  color: var(--volt);
  border-left-color: var(--volt);
}

/* ---------- 焦点与动效 ---------- */
.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .triage-card,
  .page-faq .qa,
  .page-faq .faq-rail__link,
  .page-faq .support-side__list a {
    transition: none;
  }

  .page-faq .triage-card:hover,
  .page-faq .triage-card:focus-visible {
    transform: none;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-faq .triage {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .support-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 20px;
  }
}

@media (min-width: 820px) {
  .page-faq .faq-group__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
    gap: 26px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(32px, 5vw, 64px);
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 100px;
  }

  .page-faq .faq-rail__list {
    display: grid;
    gap: 4px;
    flex-wrap: nowrap;
  }

  .page-faq .faq-rail__link {
    display: block;
    padding: 6px 0;
  }

  .page-faq .rail-card {
    display: block;
    margin-top: 22px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    background: var(--panel);
  }

  .page-faq .rail-card__title {
    margin: 0 0 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--mist);
  }

  .page-faq .rail-card__text {
    margin: 0 0 14px;
    font-size: 0.82rem;
    line-height: 1.65;
    color: var(--text-mute);
  }

  .page-faq .rail-card__btn {
    width: 100%;
    justify-content: center;
  }
}
<<<END>>>