.page-disclaimer {
  background: var(--paper-100);
  color: var(--ink-800);
  font-family: var(--font-body);
  padding-bottom: clamp(2.5rem, 6vw, 5rem);
}

.page-disclaimer .rules-crumb {
  padding-top: clamp(0.9rem, 2vw, 1.4rem);
  padding-bottom: 0.4rem;
}

.page-disclaimer .rules-crumb .breadcrumb__link,
.page-disclaimer .rules-crumb span {
  color: var(--slate-500);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.page-disclaimer .rules-crumb .breadcrumb__link:hover {
  color: var(--ink-900);
}

/* 页首 */
.page-disclaimer .rules-hero {
  background-color: var(--ink-950);
  background-image:
    linear-gradient(90deg, rgba(156, 247, 231, 0.1) 1px, transparent 1px),
    linear-gradient(rgba(156, 247, 231, 0.1) 1px, transparent 1px);
  background-size: 56px 56px, 56px 56px;
  color: var(--paper-050);
  border-top: 4px solid var(--cyan-400);
  border-bottom: 3px solid var(--ink-800);
  padding: clamp(1.5rem, 4vw, 2.8rem) 0 clamp(1.2rem, 3.5vw, 2rem);
}

.page-disclaimer .rules-hero__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--edge);
  display: grid;
  gap: clamp(1.2rem, 3vw, 2rem);
}

.page-disclaimer .rules-hero__text {
  max-width: 62ch;
}

.page-disclaimer .rules-hero .eyebrow {
  color: var(--cyan-400);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0;
}

.page-disclaimer .rules-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.85rem, 6vw, 3.4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper-050);
  margin: 0.55rem 0 0;
}

.page-disclaimer .rules-hero .lede {
  margin: 1rem 0 0;
  color: var(--paper-300);
  font-size: clamp(1rem, 2.4vw, 1.1rem);
  line-height: 1.8;
  max-width: 58ch;
}

.page-disclaimer .rules-hero__figure {
  margin: 0;
  aspect-ratio: 1200 / 500;
  border: 1px solid rgba(45, 245, 212, 0.4);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-900);
  box-shadow: 6px 6px 0 rgba(45, 245, 212, 0.22);
}

.page-disclaimer .rules-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* 章节跳转条 */
.page-disclaimer .rules-jump {
  background: var(--paper-050);
  border-bottom: 2px solid var(--ink-800);
}

.page-disclaimer .rules-jump__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0.65rem var(--edge);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.page-disclaimer .rules-jump__label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-900);
}

.page-disclaimer .rules-jump__list {
  list-style: none;
  margin: 0;
  padding: 0.15rem 0;
  display: flex;
  gap: 0.5rem;
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-disclaimer .rules-jump__list li {
  flex: 0 0 auto;
}

.page-disclaimer .rules-jump__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.42rem 0.72rem;
  border: 2px solid var(--ink-800);
  border-radius: 999px;
  background: var(--paper-050);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.page-disclaimer .rules-jump__link span {
  color: var(--coral-500);
  font-weight: 700;
}

.page-disclaimer .rules-jump__link:hover,
.page-disclaimer .rules-jump__link:focus-visible {
  background: var(--ink-950);
  border-color: var(--ink-950);
  color: var(--cyan-200);
}

/* 正文窄栏 */
.page-disclaimer .rules-body {
  max-width: 820px;
  margin: 0 auto;
  padding: clamp(1.3rem, 4vw, 2.4rem) var(--edge) 0;
}

/* 规则章节 */
.page-disclaimer .rule-block {
  background: var(--paper-050);
  border: 2px solid var(--ink-800);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  margin-bottom: clamp(1rem, 2.6vw, 1.5rem);
  overflow: hidden;
  scroll-margin-top: 1.2rem;
}

.page-disclaimer .rule-block__head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.85rem;
  padding: 0.9rem 1rem;
  cursor: pointer;
  list-style: none;
  background-image: linear-gradient(90deg, rgba(45, 245, 212, 0.16), rgba(255, 253, 248, 0) 62%);
  transition: background-color var(--t-fast);
}

.page-disclaimer .rule-block__head::-webkit-details-marker {
  display: none;
}

.page-disclaimer .rule-block__head:hover {
  background-color: var(--paper-100);
}

.page-disclaimer .rule-block__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.2rem, 4.4vw, 1.8rem);
  line-height: 1;
  color: var(--ink-900);
  letter-spacing: -0.04em;
}

.page-disclaimer .rule-block__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.02rem, 3vw, 1.3rem);
  line-height: 1.3;
  color: var(--ink-900);
  margin: 0;
}

.page-disclaimer .rule-block__mark {
  width: 1.55rem;
  height: 1.55rem;
  display: grid;
  place-items: center;
  border: 2px solid var(--ink-800);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--ink-900);
  flex: 0 0 auto;
}

.page-disclaimer .rule-block__mark::before {
  content: "+";
}

.page-disclaimer .rule-block[open] .rule-block__mark::before {
  content: "\2212";
}

.page-disclaimer .rule-block__body {
  padding: 0.2rem clamp(1rem, 3vw, 1.5rem) clamp(1rem, 3vw, 1.45rem);
  border-top: 1px dashed var(--paper-300);
}

.page-disclaimer .rule-block__body > p {
  margin: 0.85rem 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink-800);
}

.page-disclaimer .rule-list {
  list-style: none;
  margin: 0.85rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-disclaimer .rule-list li {
  border-left: 3px solid var(--coral-500);
  padding: 0.1rem 0 0.1rem 0.85rem;
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-disclaimer .rule-link {
  color: var(--ink-900);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  text-decoration-color: var(--cyan-400);
  transition: text-decoration-color var(--t-fast), color var(--t-fast);
}

.page-disclaimer .rule-link:hover,
.page-disclaimer .rule-link:focus-visible {
  color: var(--ink-950);
  text-decoration-color: var(--coral-500);
}

/* 深色反馈块 */
.page-disclaimer .rules-help {
  margin: 1.1rem 0 0;
  padding: clamp(1rem, 3vw, 1.5rem);
  background: var(--ink-950);
  border: 2px solid var(--ink-800);
  border-radius: var(--radius);
  box-shadow: var(--shadow-cyan);
  color: var(--paper-050);
}

.page-disclaimer .rules-help__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-disclaimer .rules-help__lead {
  margin: 0.6rem 0 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--paper-300);
}

.page-disclaimer .rules-help__mono {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cyan-200);
  word-break: break-all;
}

.page-disclaimer .rules-help__actions {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-disclaimer .rules-backtop {
  margin: 1.1rem 0 0;
  font-size: 0.88rem;
}

@media (min-width: 700px) {
  .page-disclaimer .rules-hero {
    padding-top: clamp(2rem, 4vw, 3rem);
  }

  .page-disclaimer .rule-block__head {
    padding: 1.05rem 1.35rem;
    gap: 1.1rem;
  }

  .page-disclaimer .rule-list li {
    font-size: 1rem;
  }

  .page-disclaimer .rules-jump__label {
    font-size: 0.72rem;
  }
}

@media (min-width: 1040px) {
  .page-disclaimer .rules-hero__inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-disclaimer .rules-body {
    padding-top: 2.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .rules-jump__link,
  .page-disclaimer .rule-block__head,
  .page-disclaimer .rule-link {
    transition: none;
  }
}
<<<END>>>