.page-faq {
  --faq-gap: clamp(20px, 4vw, 40px);
  --faq-block: clamp(44px, 7vw, 88px);
}

.page-faq .faq-top {
  padding-top: 20px;
  padding-bottom: 12px;
}

.page-faq .crumbs a {
  color: var(--ink-2);
  text-decoration: none;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(130% 120% at 88% -18%, rgba(27, 69, 96, 0.95) 0%, rgba(14, 42, 58, 1) 58%),
    var(--ink);
  color: var(--snow);
  border-radius: 0 0 var(--r-lg) var(--r-lg);
  padding: clamp(28px, 5vw, 60px) 0 clamp(32px, 5vw, 68px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-radial-gradient(circle at 82% 18%, rgba(247, 245, 240, 0.07) 0 1px, transparent 1px 52px);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .faq-hero__intro .eyebrow {
  display: inline-block;
  color: var(--amber);
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}

.page-faq .faq-hero .display {
  color: var(--snow);
  margin: 0 0 16px;
}

.page-faq .faq-hero .lead {
  color: rgba(247, 245, 240, 0.78);
  max-width: 34rem;
  margin: 0;
}

.page-faq .faq-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-faq .faq-hero__tags li {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(247, 245, 240, 0.22);
  color: rgba(247, 245, 240, 0.72);
}

.page-faq .faq-search {
  background: rgba(247, 245, 240, 0.07);
  border: 1px solid rgba(247, 245, 240, 0.16);
  border-radius: var(--r-lg);
  padding: clamp(20px, 3vw, 30px);
}

.page-faq .faq-search__label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-faq .faq-search__hint {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247, 245, 240, 0.66);
}

.page-faq .faq-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-cloud__item {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  font-size: 15px;
  line-height: 1.3;
  text-decoration: none;
  color: var(--snow);
  background: rgba(224, 138, 60, 0.18);
  border: 1px solid rgba(224, 138, 60, 0.5);
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-cloud__item--xl {
  font-size: 19px;
  font-weight: 600;
}

.page-faq .faq-cloud__item:hover,
.page-faq .faq-cloud__item:focus-visible {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
}

/* ---------- 首屏下方图示 ---------- */
.page-faq .faq-figure {
  padding-top: clamp(24px, 4vw, 44px);
  padding-bottom: clamp(24px, 4vw, 44px);
}

.page-faq .faq-figure .media-frame {
  margin: 0;
}

.page-faq .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
}

.page-faq .media-frame__caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--meta);
  line-height: 1.7;
}

/* ---------- 快捷索引条 ---------- */
.page-faq .faq-dock {
  background: var(--mist);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  z-index: 12;
}

.page-faq .faq-dock__inner {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 12px 0;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-dock a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--snow);
  border: 1px solid var(--line-strong);
  color: var(--text);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-dock a span {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--maple);
}

.page-faq .faq-dock a:hover,
.page-faq .faq-dock a:focus-visible {
  border-color: var(--maple);
  color: var(--maple);
}

/* ---------- 章节 ---------- */
.page-faq .faq-group {
  padding: var(--faq-block) 0;
}

.page-faq .faq-group--mist {
  background: var(--mist);
}

.page-faq .chapter__head {
  display: grid;
  gap: 8px;
  max-width: 46rem;
  margin: 0 0 var(--faq-gap);
}

.page-faq .chapter__num {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--maple);
}

.page-faq .chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
  line-height: 1.3;
}

.page-faq .chapter__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ---------- 短答案并排 ---------- */
.page-faq .faq-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .faq-card {
  background: var(--mist);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 20px 22px;
}

.page-faq .faq-group--mist .faq-card {
  background: var(--snow);
}

.page-faq .faq-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.45;
}

.page-faq .faq-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-2);
}

.page-faq .faq-card a {
  color: var(--fir);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-card a:hover {
  color: var(--maple);
}

/* ---------- 三条规则 ---------- */
.page-faq .faq-rules {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-bottom: var(--faq-gap);
}

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

.page-faq .faq-rule__idx {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--meta);
}

.page-faq .faq-rule h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-rule p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-2);
}

/* ---------- 错层两栏 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: start;
}

.page-faq .faq-split__main h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.45;
}

.page-faq .faq-split__main p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-faq .faq-split__aside {
  background: var(--ink);
  color: var(--snow);
  border-radius: var(--r-md);
  padding: 22px;
}

.page-faq .faq-split__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-faq .faq-split__aside p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 245, 240, 0.8);
}

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

.page-faq .faq-split__aside strong {
  color: var(--snow);
  font-weight: 700;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-acc {
  display: grid;
  gap: 10px;
}

.page-faq .faq-acc__item {
  background: var(--snow);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-faq .faq-group--mist .faq-acc__item {
  background: var(--snow);
}

.page-faq .faq-acc__item[open] {
  border-color: var(--line-strong);
}

.page-faq .faq-acc__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
  padding: 14px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.5;
}

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

.page-faq .faq-acc__mark {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-right: 4px;
  border-right: 2px solid var(--maple);
  border-bottom: 2px solid var(--maple);
  transform: rotate(45deg);
  transition: transform 0.18s var(--ease);
}

.page-faq .faq-acc__item[open] .faq-acc__mark {
  transform: rotate(-135deg);
}

.page-faq .faq-acc__a {
  padding: 0 20px 20px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-faq .faq-acc__a p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
  max-width: 40rem;
}

/* ---------- 提交清单 ---------- */
.page-faq .faq-checklist {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faq-step;
  display: grid;
  gap: 10px;
}

.page-faq .faq-checklist li {
  counter-increment: faq-step;
  position: relative;
  padding-left: 38px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-2);
}

.page-faq .faq-checklist li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--maple);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 2px 7px;
}

.page-faq .faq-inline-link {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-faq .faq-inline-link a {
  color: var(--fir);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 术语表 ---------- */
.page-faq .faq-terms-figure {
  margin: 0 0 var(--faq-gap);
}

.page-faq .faq-terms {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px 32px;
  margin: 0;
  padding: 0;
}

.page-faq .faq-term {
  border-top: 1px solid var(--line-strong);
  padding-top: 14px;
}

.page-faq .faq-term dt {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--text);
  text-decoration: underline dashed var(--line-strong);
  text-underline-offset: 4px;
  margin-bottom: 8px;
}

.page-faq .faq-term dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ---------- 结尾 ---------- */
.page-faq .faq-help {
  background: var(--ink);
  color: var(--snow);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  padding: clamp(44px, 7vw, 88px) 0 clamp(48px, 8vw, 96px);
}

.page-faq .faq-help__inner {
  max-width: 46rem;
}

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

.page-faq .faq-help .display--sm {
  color: var(--snow);
  margin: 0 0 16px;
}

.page-faq .faq-help .lead {
  color: rgba(247, 245, 240, 0.76);
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-help__actions .btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
}

.page-faq .faq-help__actions .btn--fir {
  background: var(--fir);
  border: 1px solid var(--fir);
  color: var(--snow);
}

.page-faq .faq-help__actions .btn--fir:hover {
  background: #3b7461;
  border-color: #3b7461;
}

.page-faq .faq-help__actions .btn--ghost {
  background: transparent;
  border: 1px solid rgba(247, 245, 240, 0.32);
  color: var(--snow);
}

.page-faq .faq-help__actions .btn--ghost:hover {
  border-color: var(--amber);
  color: var(--amber);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-pair .faq-card:last-child {
    grid-column: 1 / -1;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-faq .faq-split {
    grid-template-columns: 7fr 5fr;
    gap: 32px;
  }

  .page-faq .faq-split--reverse {
    grid-template-columns: 5fr 7fr;
  }

  .page-faq .faq-split--reverse .faq-split__main {
    order: 2;
  }

  .page-faq .faq-split--reverse .faq-split__aside {
    order: 1;
  }
}

@media (min-width: 1025px) {
  .page-faq .faq-dock {
    position: sticky;
    top: 0;
  }

  .page-faq .faq-rules {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

  .page-faq .faq-terms {
    gap: 22px 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cloud__item,
  .page-faq .faq-dock a,
  .page-faq .faq-acc__mark {
    transition: none;
  }
}
<<<END>>>