.page-faq {
  --faq-line: rgba(255, 255, 255, 0.10);
  --faq-line-soft: rgba(255, 255, 255, 0.06);
  --faq-anchor-offset: 120px;
  display: block;
  padding-bottom: 72px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 28px 0 30px;
  border-bottom: 1px solid var(--faq-line);
  background:
    radial-gradient(120% 150% at 100% 0%, rgba(0, 229, 212, 0.09), transparent 58%),
    radial-gradient(90% 130% at 0% 0%, rgba(255, 138, 61, 0.05), transparent 62%);
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: 20px;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 10px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 13vw, 4.2rem);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-faq .faq-hero__title::after {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  margin-top: 18px;
  background: var(--cyan);
}

.page-faq .faq-hero__lede {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-hero__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__links a {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--glass-line);
  border-radius: 999px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-faq .faq-hero__links a:hover {
  color: var(--cyan);
  border-color: rgba(0, 229, 212, 0.55);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-top: 36px;
}

/* ---------- 左栏 ---------- */
.page-faq .faq-rail__inner {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-faq .faq-rail__fig {
  margin: 0;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--glass);
}

.page-faq .faq-rail__fig img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 180px;
  object-fit: cover;
}

.page-faq .faq-rail__label {
  margin: 0;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-cats {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-cat__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px 11px 16px;
  border-left: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  color: var(--text-dim);
  text-decoration: none;
  transition: background 0.16s var(--ease), color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-faq .faq-cat__link:hover {
  background: var(--glass);
  color: var(--text);
}

.page-faq .faq-cat__link.is-current {
  background: var(--glass);
  border-left-color: var(--cyan);
  color: var(--text);
}

.page-faq .faq-cat__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.page-faq .faq-cat__dot.dot--cyan { background: var(--cyan); }
.page-faq .faq-cat__dot.dot--green { background: var(--tag-green); }
.page-faq .faq-cat__dot.dot--orange { background: var(--orange); }
.page-faq .faq-cat__dot.dot--purple { background: var(--tag-purple); }
.page-faq .faq-cat__dot.dot--gold { background: var(--tag-gold); }

.page-faq .faq-cat__name {
  flex: 1 1 auto;
}

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

.page-faq .faq-rail__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--faq-line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  margin-bottom: 46px;
  scroll-margin-top: var(--faq-anchor-offset);
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-group__idx {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4vw, 1.75rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-faq .faq-group__count {
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 问答卡片 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__q:focus-visible {
  outline: 2px dashed var(--cyan);
  outline-offset: 3px;
}

.page-faq .qa__num {
  flex: 0 0 auto;
  padding-top: 3px;
  min-width: 40px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .qa__dot {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  margin-top: 9px;
  border-radius: 50%;
}

.page-faq .qa__dot.dot--cyan { background: var(--cyan); }
.page-faq .qa__dot.dot--green { background: var(--tag-green); }
.page-faq .qa__dot.dot--orange { background: var(--orange); }
.page-faq .qa__dot.dot--purple { background: var(--tag-purple); }

.page-faq .qa__text {
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-faq .qa__caret {
  flex: 0 0 auto;
  width: 11px;
  height: 11px;
  margin-top: 5px;
  border-right: 1.5px solid var(--muted);
  border-bottom: 1.5px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .qa[open] .qa__caret {
  transform: rotate(-135deg);
  border-color: var(--cyan);
}

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

.page-faq .qa__a {
  padding: 0 0 22px 57px;
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-faq .qa__a p:last-of-type {
  margin-bottom: 14px;
}

.page-faq .qa__path {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(0, 229, 212, 0.5);
  padding-bottom: 2px;
  transition: border-color 0.16s var(--ease), color 0.16s var(--ease);
}

.page-faq .qa__path:hover {
  color: var(--text);
  border-bottom-color: var(--text);
}

.page-faq .qa__fig {
  margin: 0 0 16px;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--solid);
}

.page-faq .qa__fig img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 260px;
  object-fit: cover;
}

.page-faq .qa__fig figcaption {
  padding: 9px 14px;
  border-top: 1px solid var(--faq-line-soft);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--muted);
}

/* ---------- 收尾求助区块 ---------- */
.page-faq .faq-help {
  scroll-margin-top: var(--faq-anchor-offset);
  margin-top: 8px;
  padding: 26px 22px 24px;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(0, 229, 212, 0.07), transparent 62%),
    var(--solid);
}

.page-faq .faq-help__idx {
  margin: 0 0 8px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .faq-help__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 4.4vw, 1.9rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-faq .faq-help__text {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-faq .faq-help__data {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-help__data li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-size: 14px;
}

.page-faq .faq-help__k {
  flex: 0 0 auto;
  min-width: 72px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
  padding-top: 2px;
}

.page-faq .faq-help__v {
  font-family: var(--font-data);
  font-size: 13.5px;
  letter-spacing: 0.03em;
  color: var(--text);
  word-break: break-word;
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 40px 0 36px;
  }

  .page-faq .faq-rail__fig img {
    max-height: 220px;
  }

  .page-faq .qa__a {
    padding-left: 72px;
  }
}

/* ---------- 桌面：双栏 ---------- */
@media (min-width: 900px) {
  .page-faq {
    --faq-anchor-offset: 130px;
    padding-bottom: 96px;
  }

  .page-faq .faq-hero {
    padding: 52px 0 44px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 48px;
  }

  .page-faq .faq-hero__aside {
    padding-bottom: 6px;
  }

  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 290px) minmax(0, 1fr);
    gap: 56px;
    padding-top: 48px;
  }

  .page-faq .faq-rail__inner {
    position: sticky;
    top: 128px;
  }

  .page-faq .faq-rail__fig img {
    max-height: none;
  }

  .page-faq .qa__q {
    padding: 19px 0;
  }

  .page-faq .qa__text {
    font-size: 1.12rem;
  }

  .page-faq .qa__a {
    padding-left: 81px;
  }

  .page-faq .faq-help {
    padding: 32px 30px 30px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    gap: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__caret,
  .page-faq .qa__text,
  .page-faq .qa__path,
  .page-faq .faq-cat__link,
  .page-faq .faq-hero__links a {
    transition: none;
  }
}
<<<END>>>