.page-faq {
  --faq-ink: #06301F;
  --faq-ink-soft: #0B3A2B;
  --faq-body: #BBD0CD;
  --faq-card-gap: 10px;
  background: var(--bg);
  color: var(--text);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-block: 32px 46px;
  border-bottom: 2px solid var(--line);
  background:
    radial-gradient(115% 82% at 92% -10%, rgba(25, 227, 198, 0.18), transparent 62%),
    linear-gradient(180deg, #0A1420 0%, #08111B 100%);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(34, 52, 74, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 52, 74, 0.55) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  gap: 30px;
  align-items: end;
}

.page-faq .faq-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 7vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-faq .faq-hero__lead {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(234, 243, 241, 0.86);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__jump a {
  display: inline-block;
  padding: 9px 14px;
  border: 2px solid var(--line);
  background: var(--panel);
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--shadow-hard-sm);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-hero__jump a:hover,
.page-faq .faq-hero__jump a:focus-visible {
  border-color: var(--neon);
  color: var(--neon);
  transform: translate(-2px, -2px);
}

.page-faq .faq-hero__board {
  border: 2px solid var(--line);
  background: linear-gradient(112deg, var(--field) 0%, #0C2B23 48%, var(--panel) 100%);
  box-shadow: var(--shadow-hard);
  padding: 16px 16px 8px;
}

.page-faq .faq-hero__board-title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--neon);
}

.page-faq .faq-hero__board-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__board-item + .faq-hero__board-item {
  border-top: 1px solid rgba(34, 52, 74, 0.9);
}

.page-faq .faq-hero__board-item a {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 4px;
  text-decoration: none;
  color: var(--text);
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-faq .faq-hero__board-item a:hover,
.page-faq .faq-hero__board-item a:focus-visible {
  color: var(--neon);
  padding-left: 8px;
}

.page-faq .faq-hero__board-no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-faq .faq-hero__board-name {
  font-size: 15px;
  font-weight: 700;
}

.page-faq .faq-hero__board-count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--neon-deep);
}

/* ---------- 区块节奏 ---------- */
.page-faq .faq-block {
  position: relative;
  padding-block: 46px;
}

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

.page-faq .faq-head__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 4.4vw, 36px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-faq .faq-head__note {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 弧形分隔带 ---------- */
.page-faq .faq-arc {
  position: relative;
  height: 46px;
  margin-block: 6px;
  background: var(--field);
  border-bottom: 2px solid var(--line);
  border-bottom-left-radius: 92% 46px;
  border-bottom-right-radius: 12px;
  overflow: hidden;
  pointer-events: none;
}

.page-faq .faq-arc::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--neon) 0%, var(--neon-deep) 55%, transparent 100%);
  opacity: 0.9;
}

/* ---------- 规则摘要 ---------- */
.page-faq .faq-rules__intro {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-faq .faq-rules__figure {
  margin: 0;
}

.page-faq .faq-rules__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 25 / 14;
  object-fit: cover;
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .faq-rules__list {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-rules__list > li + li {
  margin-top: var(--faq-card-gap);
}

.page-faq .faq-rule {
  border: 2px solid var(--line);
  border-left: 3px solid var(--neon);
  background: var(--mint);
  color: var(--faq-ink-soft);
  box-shadow: var(--shadow-hard-sm);
  transition: border-left-width 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-rule[open] {
  border-left-width: 5px;
}

.page-faq .faq-rule__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-rule__summary::marker {
  content: "";
}

.page-faq .faq-rule__no {
  flex: none;
  display: inline-grid;
  place-items: center;
  min-width: 42px;
  height: 30px;
  padding-inline: 8px;
  background: var(--faq-ink);
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-faq .faq-rule__title {
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--faq-ink-soft);
}

.page-faq .faq-rule__arrow {
  margin-left: auto;
  flex: none;
  font-size: 14px;
  color: var(--neon-deep);
  transition: transform 0.3s var(--ease), color 0.3s var(--ease);
}

.page-faq .faq-rule[open] .faq-rule__arrow {
  transform: rotate(90deg);
  color: var(--faq-ink);
}

.page-faq .faq-rule__body {
  padding: 14px 18px 18px;
  border-top: 1px dashed rgba(6, 48, 31, 0.28);
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

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

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

.page-faq .faq-rule__scope {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #0A5A4A;
}

.page-faq .faq-rules__foot {
  margin: 20px 0 0;
  font-size: 14px;
}

/* ---------- 通用问答卡 ---------- */
.page-faq .faq-qa {
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-hard-sm);
  transition: border-color 0.25s var(--ease);
}

.page-faq .faq-qa + .faq-qa {
  margin-top: 12px;
}

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

.page-faq .faq-qa__summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-qa__summary::marker {
  content: "";
}

.page-faq .faq-qa__q {
  flex: none;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--neon-deep);
}

.page-faq .faq-qa__text {
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--text);
}

.page-faq .faq-qa__arrow {
  margin-left: auto;
  flex: none;
  padding-top: 2px;
  font-size: 14px;
  color: var(--muted);
  transition: transform 0.3s var(--ease), color 0.3s var(--ease);
}

.page-faq .faq-qa[open] .faq-qa__arrow {
  transform: rotate(90deg);
  color: var(--neon);
}

.page-faq .faq-qa__body {
  margin-top: 2px;
  padding: 14px 18px 18px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-body);
}

.page-faq .faq-qa__body p {
  margin: 0;
}

.page-faq .faq-qa__body p + p {
  margin-top: 10px;
}

.page-faq .faq-qa__body ol,
.page-faq .faq-qa__body ul {
  margin: 10px 0 0;
  padding-left: 20px;
}

.page-faq .faq-qa__body li + li {
  margin-top: 6px;
}

.page-faq .faq-qa__more {
  margin-top: 12px;
  font-size: 14px;
}

/* ---------- 入口与访问 ---------- */
.page-faq .faq-access__grid {
  display: grid;
  gap: 30px;
}

.page-faq .faq-access__figure {
  margin: 0;
}

.page-faq .faq-access__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-qa-list {
  margin-top: 26px;
}

/* ---------- 数据查询 ---------- */
.page-faq .faq-data__grid {
  display: grid;
  gap: 12px;
  margin-top: 30px;
}

/* ---------- 账号与通知 ---------- */
.page-faq .faq-account__list {
  margin-top: 28px;
}

/* ---------- 联系区 ---------- */
.page-faq .faq-help {
  position: relative;
  overflow: hidden;
  border: 2px solid var(--neon);
  background: linear-gradient(112deg, var(--field) 0%, #0A2A22 58%, var(--panel) 100%);
  box-shadow: var(--shadow-hard);
  padding: 26px 20px;
}

.page-faq .faq-help::before {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 220px;
  height: 220px;
  border: 2px solid rgba(25, 227, 198, 0.34);
  border-radius: 50%;
  pointer-events: none;
}

.page-faq .faq-help__title {
  position: relative;
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4.2vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-faq .faq-help__lead {
  position: relative;
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(234, 243, 241, 0.85);
}

.page-faq .faq-help__list {
  position: relative;
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-help__list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border: 2px solid var(--line);
  background: rgba(5, 13, 22, 0.45);
  font-size: 14.5px;
  color: var(--text);
}

.page-faq .faq-help__list .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--neon);
}

.page-faq .faq-help__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-rule__body {
    padding-left: 72px;
  }

  .page-faq .faq-help {
    padding: 40px 44px;
  }

  .page-faq .faq-help__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-rules__intro {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.78fr);
    gap: 48px;
  }

  .page-faq .faq-data__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-faq .faq-account__list {
    max-width: 780px;
  }

  .page-faq .faq-head--center {
    margin-inline: auto;
    text-align: center;
  }

  .page-faq .faq-head--center .faq-head__note {
    margin-inline: auto;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-hero {
    padding-block: 44px 62px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 56px;
  }

  .page-faq .faq-block {
    padding-block: 72px;
  }

  .page-faq .faq-block--tight {
    padding-block: 56px;
  }

  .page-faq .faq-block--loose {
    padding-block: 88px;
  }

  .page-faq .faq-access__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 52px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-rule__arrow,
  .page-faq .faq-qa__arrow,
  .page-faq .faq-hero__jump a,
  .page-faq .faq-hero__board-item a {
    transition: none;
  }
}