.page-faq {
  --faq-dot: 44px;
  --faq-ink-soft: rgba(14, 20, 64, 0.74);
  --faq-line-light: rgba(14, 20, 64, 0.12);
  --faq-gap: clamp(26px, 4.6vw, 60px);
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(16px, 2.4vw, 30px);
  font-size: var(--fs-14);
  color: var(--mist);
}

.page-faq .crumbs .crumb {
  color: var(--mist);
  text-decoration: none;
}

.page-faq .crumbs a.crumb:hover {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 52px) 0 clamp(48px, 7.5vw, 100px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -20%;
  width: min(580px, 82vw);
  aspect-ratio: 1 / 1;
  background:
    radial-gradient(circle at 34% 34%, rgba(34, 227, 211, 0.20), transparent 64%),
    radial-gradient(circle at 74% 70%, rgba(255, 122, 47, 0.14), transparent 60%);
  transform: rotate(-7deg);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(28px, 4.4vw, 52px);
}

.page-faq .faq-hero__title {
  color: var(--white);
  margin: 12px 0 0;
  max-width: 20ch;
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: var(--fs-17);
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-hero__side {
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
  padding: 18px 0;
}

.page-faq .faq-hero__side-label {
  margin: 0 0 14px;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-faq .faq-hero__path {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
  counter-reset: faqpath;
}

.page-faq .faq-hero__path li {
  counter-increment: faqpath;
}

.page-faq .faq-hero__path a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: var(--white);
  text-decoration: none;
  font-size: var(--fs-17);
  line-height: 1.5;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.page-faq .faq-hero__path a::before {
  content: counter(faqpath, decimal-leading-zero);
  font-family: var(--mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--orange);
  min-width: 2ch;
}

.page-faq .faq-hero__path a:hover,
.page-faq .faq-hero__path a:focus-visible {
  background: rgba(34, 227, 211, 0.10);
  color: var(--cyan);
}

/* ---------- 分步卡片 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: var(--faq-gap);
  padding-bottom: clamp(48px, 7.5vw, 104px);
}

.page-faq .step-card {
  position: relative;
  padding: clamp(20px, 3vw, 34px) clamp(18px, 3vw, 38px) clamp(22px, 3.2vw, 36px);
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
  background: linear-gradient(140deg, var(--ink-2) 0%, rgba(23, 32, 92, 0.55) 100%);
  overflow: hidden;
}

.page-faq .step-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--cyan) 0%, rgba(34, 227, 211, 0.06) 100%);
}

.page-faq .step-card:nth-child(even)::before {
  background: linear-gradient(180deg, var(--orange) 0%, rgba(255, 122, 47, 0.06) 100%);
}

.page-faq .step-card__head {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.8vw, 20px);
  margin-bottom: clamp(12px, 1.8vw, 18px);
}

.page-faq .step-card__dot {
  flex: 0 0 auto;
  width: var(--faq-dot);
  height: var(--faq-dot);
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 2px solid var(--cyan);
  background: rgba(34, 227, 211, 0.10);
  color: var(--cyan);
  font-size: var(--fs-14);
  letter-spacing: 0.04em;
}

.page-faq .step-card:nth-child(even) .step-card__dot {
  border-color: var(--orange);
  background: rgba(255, 122, 47, 0.10);
  color: var(--orange);
}

.page-faq .step-card__title {
  margin: 0;
  font-size: clamp(1.25rem, 3.4vw, 1.75rem);
  line-height: 1.35;
  color: var(--white);
}

.page-faq .step-card__body {
  margin-left: calc(var(--faq-dot) + clamp(12px, 1.8vw, 20px));
}

.page-faq .step-card__body p {
  margin: 0 0 0.9em;
  font-size: var(--fs-17);
  line-height: 1.85;
  color: var(--mist);
}

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

.page-faq .step-card__figure {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
}

/* ---------- 问题分区索引（浅色区） ---------- */
.page-faq .faq-index {
  position: relative;
  overflow: hidden;
  background: var(--white);
  color: var(--ink);
  padding: clamp(44px, 6.5vw, 96px) 0 clamp(48px, 7vw, 104px);
  border-top: 4px solid var(--cyan);
}

.page-faq .faq-index::before {
  content: "";
  position: absolute;
  top: -26%;
  left: -14%;
  width: min(480px, 66vw);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 50% 50%, rgba(168, 245, 236, 0.85), transparent 66%);
  transform: rotate(-8deg);
  pointer-events: none;
}

.page-faq .faq-index__inner {
  position: relative;
}

.page-faq .faq-index .eyebrow {
  color: var(--teal);
}

.page-faq .faq-index .section-title {
  color: var(--ink);
}

.page-faq .faq-index .lede {
  color: var(--faq-ink-soft);
  max-width: 62ch;
}

.page-faq .faq-index__head {
  margin-bottom: clamp(22px, 3.4vw, 34px);
}

.page-faq .faq-index__figure {
  margin: 0 0 clamp(24px, 3.6vw, 40px);
  border-color: rgba(14, 20, 64, 0.14);
}

.page-faq .faq-index__figure .media__tag {
  background: var(--ink);
  color: var(--white);
}

.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(22px, 3.2vw, 34px);
}

.page-faq .faq-filter .filter-btn {
  border: 1px solid var(--faq-line-light);
  background: transparent;
  color: var(--ink-2);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: var(--fs-14);
  font-family: var(--head);
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-filter .filter-btn:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.page-faq .faq-filter .filter-btn[aria-pressed="true"],
.page-faq .faq-filter .filter-btn.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

.page-faq .qa-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-faq .qa-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(16px, 2.4vw, 24px);
  border-radius: var(--radius-sm);
  border: 1px solid var(--faq-line-light);
  background: #ffffff;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-faq .qa-item:hover {
  border-color: var(--teal);
  transform: translateY(-2px);
}

.page-faq .qa-item__tag {
  align-self: flex-start;
}

.page-faq .qa-item__q {
  margin: 0;
  font-size: var(--fs-22);
  line-height: 1.4;
  color: var(--ink);
}

.page-faq .qa-item__a {
  margin: 0;
  font-size: var(--fs-17);
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

.page-faq [data-filter-item].is-hidden,
.page-faq [data-filter-item][hidden] {
  display: none;
}

/* ---------- 结尾联系 ---------- */
.page-faq .faq-reach {
  padding: clamp(44px, 6.5vw, 96px) 0 clamp(52px, 7.5vw, 110px);
}

.page-faq .faq-reach__inner {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.page-faq .faq-reach__text .section-title {
  color: var(--white);
  margin-top: 12px;
}

.page-faq .faq-reach__text p {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: var(--fs-17);
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-reach__note {
  font-family: var(--mono);
  font-size: var(--fs-14) !important;
  color: var(--orange) !important;
}

.page-faq .faq-reach__text .btn {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-reach__card {
  padding: clamp(20px, 3vw, 30px);
}

.page-faq .faq-reach__card-label {
  margin: 0 0 16px;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-faq .faq-reach__list {
  margin: 0;
  display: grid;
  gap: 4px 16px;
}

.page-faq .faq-reach__list dt {
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--mist);
  font-family: var(--mono);
}

.page-faq .faq-reach__list dd {
  margin: 0 0 12px;
  font-size: var(--fs-17);
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
}

.page-faq .faq-reach__hint {
  margin: 8px 0 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-reach__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-reach__links a {
  color: var(--cyan);
  text-decoration: none;
  font-size: var(--fs-14);
}

.page-faq .faq-reach__links a:hover {
  color: var(--orange);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 0.85fr);
    align-items: end;
  }

  .page-faq .faq-hero__side {
    padding: 20px 0;
  }

  .page-faq .qa-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-reach__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-faq .step-card {
    border-radius: calc(var(--radius) + 4px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa-item,
  .page-faq .faq-hero__path a,
  .page-faq .faq-filter .filter-btn {
    transition: none;
  }

  .page-faq .qa-item:hover {
    transform: none;
  }
}
<<<END>>>