.page-disclaimer {
  --pd-hair: rgba(37, 48, 92, 0.85);
  --pd-panel: rgba(20, 27, 60, 0.82);
  --pd-panel-strong: rgba(20, 27, 60, 1);
  --pd-code-bg: rgba(11, 16, 38, 0.92);
  padding-block: clamp(1.25rem, 3vw, 2.25rem) clamp(3rem, 8vw, 6rem);
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .breadcrumb {
  margin: 0 0 clamp(1.5rem, 4vw, 2.5rem);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .rule-hero {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding-bottom: clamp(2rem, 5vw, 3.25rem);
  border-bottom: 1px solid var(--pd-hair);
}

.page-disclaimer .rule-hero__title {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.95rem, 5.2vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--stardust);
}

.page-disclaimer .rule-hero__title em {
  font-style: normal;
  color: var(--gold);
}

.page-disclaimer .rule-hero__lead {
  margin: clamp(1rem, 2.5vw, 1.45rem) 0 0;
  max-width: 62ch;
  font-size: clamp(0.98rem, 1.6vw, 1.1rem);
  line-height: 1.8;
  color: var(--nebula);
}

.page-disclaimer .rule-hero__aside {
  position: relative;
  padding: clamp(1.1rem, 3vw, 1.5rem);
  border: 1px solid var(--pd-hair);
  border-radius: var(--radius-md);
  background:
    radial-gradient(130% 150% at 100% 0%, rgba(123, 47, 190, 0.24), transparent 62%),
    var(--pd-panel);
}

.page-disclaimer .rule-hero__aside::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(1.1rem, 3vw, 1.5rem);
  width: 46px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.page-disclaimer .rule-hero__aside p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--stardust);
}

@media (min-width: 940px) {
  .page-disclaimer .rule-hero {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: end;
  }
}

/* ---------- 速查摘要 ---------- */
.page-disclaimer .quick-lookup {
  margin-top: clamp(2rem, 5vw, 3.25rem);
  padding: clamp(1.1rem, 3vw, 1.75rem);
  border: 1px solid var(--pd-hair);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(20, 27, 60, 0.95), rgba(11, 16, 38, 0.72));
}

.page-disclaimer .quick-lookup > summary {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  cursor: pointer;
  list-style: none;
  padding: 0.1rem 0;
}

.page-disclaimer .quick-lookup > summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .quick-lookup > summary::marker {
  content: "";
}

.page-disclaimer .quick-lookup__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--stardust);
}

.page-disclaimer .quick-lookup__hint {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--nebula);
}

.page-disclaimer .quick-lookup__caret {
  flex: none;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: rotate(45deg);
  transition: transform 0.3s ease;
}

.page-disclaimer .quick-lookup[open] .quick-lookup__caret {
  transform: rotate(-135deg);
}

.page-disclaimer .quick-trail {
  list-style: none;
  margin: clamp(1rem, 3vw, 1.6rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.3rem;
}

.page-disclaimer .quick-trail a {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem 0.6rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--stardust);
  text-decoration: none;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.page-disclaimer .quick-trail a::before {
  content: "";
  position: absolute;
  left: 0.5rem;
  top: 50%;
  width: 7px;
  height: 7px;
  margin-top: -3.5px;
  border-radius: 50%;
  background: var(--orbit);
  box-shadow: inset 0 0 0 1px rgba(245, 197, 24, 0.65);
  transition: background-color 0.25s ease, box-shadow 0.25s ease;
}

.page-disclaimer .quick-trail a:hover,
.page-disclaimer .quick-trail a:focus-visible {
  background: rgba(37, 48, 92, 0.55);
  color: var(--gold);
}

.page-disclaimer .quick-trail a:hover::before,
.page-disclaimer .quick-trail a:focus-visible::before {
  background: var(--gold);
  box-shadow: 0 0 12px rgba(245, 197, 24, 0.85);
}

.page-disclaimer .quick-idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

@media (min-width: 760px) {
  .page-disclaimer .quick-trail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(1.5rem, 4vw, 3rem);
  }
}

@media (min-width: 1120px) {
  .page-disclaimer .quick-trail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 筛选条 ---------- */
.page-disclaimer .rule-filter {
  margin-top: clamp(2rem, 5vw, 3rem);
}

.page-disclaimer .filter-btn[aria-pressed="true"] {
  border-color: var(--gold);
  color: var(--void);
  background: var(--gold);
}

/* ---------- 规则区 ---------- */
.page-disclaimer .rule-section {
  margin-top: clamp(2.75rem, 6vw, 4.25rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 3vw, 1.75rem);
}

.page-disclaimer .rule-section__head {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: clamp(0.75rem, 2vw, 1rem) 0 0;
  border-top: 2px solid var(--orbit);
}

.page-disclaimer .rule-section__idx {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: var(--gold);
}

.page-disclaimer .rule-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 2.6vw, 1.7rem);
  line-height: 1.28;
  letter-spacing: -0.005em;
  color: var(--stardust);
}

.page-disclaimer .rule-section__body {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.5rem);
}

@media (min-width: 980px) {
  .page-disclaimer .rule-section {
    grid-template-columns: minmax(0, 258px) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }

  .page-disclaimer .rule-section__head {
    position: sticky;
    top: calc(var(--bar-h) + 1.75rem);
    border-top: none;
    border-left: 2px solid var(--orbit);
    padding: clamp(0.2rem, 1vw, 0.4rem) 0 clamp(0.2rem, 1vw, 0.4rem) clamp(0.9rem, 2vw, 1.25rem);
  }
}

/* ---------- 规则条目 ---------- */
.page-disclaimer .rule-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-disclaimer .rule-item {
  display: grid;
  gap: 0.6rem;
  padding: clamp(0.9rem, 2.4vw, 1.2rem) clamp(1rem, 2.6vw, 1.4rem);
  border: 1px solid var(--pd-hair);
  border-radius: var(--radius-md);
  background: var(--pd-panel);
  transition: border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.page-disclaimer .rule-item:hover {
  background: var(--pd-panel-strong);
  border-color: rgba(245, 197, 24, 0.45);
  box-shadow: -4px 0 20px -6px rgba(245, 197, 24, 0.7);
  transform: translateX(2px);
}

.page-disclaimer .rule-tag {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  padding: 0.22rem 0.7rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-disclaimer .rule-tag--gold {
  color: var(--gold);
  background: rgba(245, 197, 24, 0.1);
}

.page-disclaimer .rule-tag--violet {
  color: var(--stardust);
  background: rgba(123, 47, 190, 0.4);
  border-color: rgba(123, 47, 190, 0.95);
}

.page-disclaimer .rule-tag--aurora {
  color: var(--aurora);
  background: rgba(43, 217, 168, 0.1);
}

.page-disclaimer .rule-tag--comet {
  color: var(--comet);
  background: rgba(255, 122, 69, 0.12);
}

.page-disclaimer .rule-text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.78;
  color: rgba(237, 241, 255, 0.88);
}

.page-disclaimer .rule-text a,
.page-disclaimer .rule-note a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 197, 24, 0.45);
  transition: border-color 0.2s ease;
}

.page-disclaimer .rule-text a:hover,
.page-disclaimer .rule-note a:hover {
  border-bottom-color: var(--gold);
}

@media (min-width: 640px) {
  .page-disclaimer .rule-item {
    grid-template-columns: minmax(0, 168px) minmax(0, 1fr);
    gap: clamp(1rem, 2.5vw, 1.5rem);
    align-items: start;
  }
}

/* ---------- 署名示例 ---------- */
.page-disclaimer .credit-block {
  overflow-x: auto;
  padding: clamp(0.9rem, 2.4vw, 1.2rem);
  border: 1px solid var(--pd-hair);
  border-radius: var(--radius-md);
  background: var(--pd-code-bg);
}

.page-disclaimer .credit-block__label {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--nebula);
}

.page-disclaimer .credit-code {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(0.82rem, 1.6vw, 0.94rem);
  line-height: 1.75;
  color: var(--aurora);
  white-space: pre-wrap;
  word-break: break-word;
}

.page-disclaimer .credit-figure {
  margin: 0;
  border: 1px solid var(--pd-hair);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-disclaimer .credit-figure > img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 联系方式 ---------- */
.page-disclaimer .rule-lead {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(0.96rem, 1.6vw, 1.05rem);
  line-height: 1.8;
  color: var(--nebula);
}

.page-disclaimer .contact-panel {
  padding: clamp(1.1rem, 3vw, 1.6rem);
  border: 1px solid var(--pd-hair);
  border-radius: var(--radius-md);
  background: linear-gradient(150deg, rgba(37, 48, 92, 0.55), rgba(20, 27, 60, 0.92));
}

.page-disclaimer .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.page-disclaimer .contact-item {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  align-items: baseline;
}

.page-disclaimer .contact-key {
  flex: none;
  min-width: 5.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--nebula);
}

.page-disclaimer .contact-value {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--stardust);
  word-break: break-word;
}

.page-disclaimer .rule-note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--nebula);
}

/* ---------- 筛选隐藏兜底 ---------- */
.page-disclaimer .is-filtered-out {
  display: none !important;
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .rule-item,
  .page-disclaimer .quick-trail a,
  .page-disclaimer .quick-trail a::before,
  .page-disclaimer .quick-lookup__caret {
    transition: none;
  }

  .page-disclaimer .rule-item:hover {
    transform: none;
  }
}
</main>