.page-faq {
  display: block;
}

/* ==================== 首屏 ==================== */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(40px, 7vw, 84px) 0 clamp(42px, 6vw, 78px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: clamp(-300px, -20vw, -90px);
  right: clamp(-220px, -10vw, -20px);
  width: min(700px, 86vw);
  aspect-ratio: 1 / 1;
  background:
    radial-gradient(circle at 34% 42%, rgba(108, 77, 246, 0.52), transparent 62%),
    radial-gradient(circle at 72% 72%, rgba(34, 211, 238, 0.22), transparent 58%);
  clip-path: polygon(24% 0%, 100% 13%, 84% 100%, 0% 74%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  max-width: 780px;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(32px, 6.2vw, 70px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-faq .faq-hero .lead {
  margin: 20px 0 0;
  max-width: 42ch;
  font-size: clamp(15px, 1.9vw, 17px);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(36px, 5vw, 56px) 0 0;
  padding: 1px;
  list-style: none;
  background: var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-faq .faq-facts > div {
  background: rgba(11, 16, 36, 0.86);
  padding: 18px 18px 20px;
}

.page-faq .faq-facts dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-dim);
}

.page-faq .faq-facts dd {
  margin: 10px 0 0;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
}

.page-faq .faq-facts dd small {
  margin-left: 4px;
  font-size: 13px;
  font-weight: 400;
  color: var(--ink-dim);
}

/* ==================== 章节通用 ==================== */
.page-faq .section-head {
  max-width: 720px;
}

.page-faq .section-head .h2 {
  margin: 10px 0 0;
}

.page-faq .section-head .lead {
  margin: 16px 0 0;
}

/* ==================== 规则总览 ==================== */
.page-faq .faq-rules__media {
  margin: clamp(28px, 4vw, 42px) 0 0;
}

.page-faq .rules-layout {
  display: grid;
  gap: 26px;
  margin-top: clamp(28px, 4vw, 44px);
}

.page-faq .rules-toc {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(19, 26, 58, 0.62);
  padding: 16px;
}

.page-faq .rules-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .rules-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .rules-toc__list li {
  flex: 0 0 auto;
}

.page-faq .rules-toc__list a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(11, 16, 36, 0.74);
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

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

.page-faq .rules-toc__list a:hover,
.page-faq .rules-toc__list a:focus-visible {
  color: var(--ink);
  border-color: var(--violet);
  background: rgba(108, 77, 246, 0.2);
}

.page-faq .rules-toc__list a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .rules-list {
  min-width: 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .rule {
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
  transition: background 0.25s var(--ease);
}

.page-faq .rule:hover {
  background: rgba(108, 77, 246, 0.06);
}

.page-faq .rule[open] {
  background: rgba(108, 77, 246, 0.09);
}

.page-faq .rule > summary {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) 22px;
  align-items: start;
  gap: 4px 12px;
  padding: 20px 6px 20px 4px;
  cursor: pointer;
  list-style: none;
}

.page-faq .rule > summary::-webkit-details-marker {
  display: none;
}

.page-faq .rule > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
  border-radius: var(--r-sm);
}

.page-faq .rule__num {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .rule__head {
  display: block;
  min-width: 0;
}

.page-faq .rule__title {
  margin: 0;
  font-size: clamp(17px, 2.4vw, 20px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-faq .rule__brief {
  display: block;
  margin-top: 6px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-dim);
}

.page-faq .rule__mark {
  position: relative;
  justify-self: end;
  width: 22px;
  height: 22px;
  margin-top: 3px;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .rule__mark::before,
.page-faq .rule__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--cyan);
  transform: translate(-50%, -50%);
  transition: transform 0.26s var(--ease), opacity 0.26s var(--ease);
}

.page-faq .rule__mark::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .rule__mark::after {
  width: 1.5px;
  height: 10px;
}

.page-faq .rule[open] .rule__mark {
  border-color: var(--violet);
  background: rgba(108, 77, 246, 0.24);
}

.page-faq .rule[open] .rule__mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.page-faq .rule[open] .rule__num {
  color: var(--violet-soft);
}

.page-faq .rule__body {
  padding: 0 24px 24px 46px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .rule__body p {
  margin: 0 0 10px;
}

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

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

/* ==================== 查询步骤 ==================== */
.page-faq .qsteps {
  display: grid;
  gap: 18px;
  margin: clamp(30px, 4vw, 42px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .qstep {
  position: relative;
  overflow: hidden;
  padding: 24px 22px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, rgba(19, 26, 58, 0.92), rgba(11, 16, 36, 0.72));
}

.page-faq .qstep::after {
  content: "";
  position: absolute;
  right: -36px;
  top: -36px;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.24), transparent 70%);
  pointer-events: none;
}

.page-faq .qstep:nth-child(2)::after {
  background: radial-gradient(circle, rgba(108, 77, 246, 0.3), transparent 70%);
}

.page-faq .qstep:nth-child(3)::after {
  background: radial-gradient(circle, rgba(245, 196, 81, 0.22), transparent 70%);
}

.page-faq .qstep__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 42px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--violet-soft);
  opacity: 0.42;
}

.page-faq .qstep__title {
  position: relative;
  margin: 14px 0 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}

.page-faq .qstep__text {
  position: relative;
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-faq .qstep__note {
  position: relative;
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--cyan);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--ink-dim);
}

/* ==================== 切换与导出 ==================== */
.page-faq .ops-grid {
  display: grid;
  gap: 18px;
  margin-top: clamp(28px, 4vw, 40px);
}

.page-faq .ops-card {
  padding: 26px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(170deg, rgba(19, 26, 58, 0.86), rgba(11, 16, 36, 0.62));
}

.page-faq .ops-card--wide {
  background:
    linear-gradient(170deg, rgba(19, 26, 58, 0.9), rgba(11, 16, 36, 0.7)),
    radial-gradient(circle at 88% 12%, rgba(108, 77, 246, 0.24), transparent 60%);
}

.page-faq .ops-card__title {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-faq .switch-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .switch-list li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-faq .switch-list li:last-child {
  padding-bottom: 0;
}

.page-faq .switch-list__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
  padding-top: 4px;
}

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

.page-faq .export-spec {
  margin: 18px 0 0;
}

.page-faq .export-spec > div {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-faq .export-spec dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--cyan);
}

.page-faq .export-spec dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
  overflow-wrap: anywhere;
}

.page-faq .export-spec code {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--gold);
  background: rgba(245, 196, 81, 0.1);
  border-radius: var(--r-sm);
  padding: 3px 7px;
}

.page-faq .ops-card__foot {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-faq .ops-card__foot a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ==================== 速答 ==================== */
.page-faq .qa {
  display: grid;
  gap: 10px;
  margin-top: clamp(26px, 3.6vw, 36px);
}

.page-faq .qa__item {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(11, 16, 36, 0.64);
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease);
}

.page-faq .qa__item[open] {
  border-color: rgba(108, 77, 246, 0.6);
  background: rgba(19, 26, 58, 0.86);
}

.page-faq .qa__item > summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-faq .qa__item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .qa__item > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .qa__q {
  flex: 1 1 auto;
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
}

.page-faq .qa__mark {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--violet-soft);
  transform: translate(-50%, -50%);
  transition: transform 0.24s var(--ease), opacity 0.24s var(--ease);
}

.page-faq .qa__mark::before {
  width: 12px;
  height: 1.5px;
}

.page-faq .qa__mark::after {
  width: 1.5px;
  height: 12px;
}

.page-faq .qa__item[open] .qa__mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.page-faq .qa__a {
  padding: 0 18px 18px;
}

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

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

/* ==================== 字段说明 ==================== */
.page-faq .fields-grid {
  display: grid;
  gap: 26px;
  margin-top: clamp(28px, 4vw, 42px);
}

.page-faq .fields-grid__media {
  margin: 0;
}

.page-faq .fieldlist {
  margin: 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .fieldlist__row {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

.page-faq .fieldlist__row dt {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .fieldlist__name {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .fieldlist__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--cyan);
}

.page-faq .fieldlist__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-faq .fieldlist__note {
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-dim);
}

/* ==================== 下一步 ==================== */
.page-faq .next-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(26px, 3.6vw, 38px);
}

.page-faq .next-card {
  display: block;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(170deg, rgba(19, 26, 58, 0.88), rgba(11, 16, 36, 0.6));
  color: inherit;
  text-decoration: none;
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .next-card:hover,
.page-faq .next-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--violet);
}

.page-faq .next-card:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .next-card__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .next-card h3 {
  margin: 12px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}

.page-faq .next-card p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-dim);
}

/* ==================== 响应式 ==================== */
@media (min-width: 620px) {
  .page-faq .faq-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .fieldlist__row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-faq .rules-list {
    border-radius: var(--r-md);
  }

  .page-faq .rule__body {
    padding-left: 62px;
    padding-right: 60px;
  }
}

@media (min-width: 860px) {
  .page-faq .qsteps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-faq .ops-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 22px;
  }

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

@media (min-width: 900px) {
  .page-faq .fields-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-faq .rules-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

  .page-faq .rules-toc {
    position: sticky;
    top: 88px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
  }

  .page-faq .rules-toc__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-faq .rules-toc__list a {
    display: flex;
    justify-content: flex-start;
    width: 100%;
    border-color: transparent;
    border-radius: var(--r-sm);
    background: transparent;
    padding: 7px 10px;
  }

  .page-faq .rules-toc__list a:hover,
  .page-faq .rules-toc__list a:focus-visible {
    background: rgba(108, 77, 246, 0.18);
    border-color: rgba(108, 77, 246, 0.5);
  }
}

@media (min-width: 1120px) {
  .page-faq .next-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
<<<END>>>