.page-disclaimer {
  --rule-measure: 42rem;
  --rule-block: clamp(2.2rem, 5vw, 3.8rem);
  color: var(--paper);
  font-family: var(--font-body);
  background:
    radial-gradient(1100px 560px at 88% -12%, rgba(53, 242, 194, 0.13), transparent 62%),
    radial-gradient(760px 420px at -8% 14%, rgba(255, 90, 54, 0.10), transparent 64%),
    var(--night);
}

/* ============ 首屏框景 ============ */
.page-disclaimer .rule-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(1.75rem, 4vw, 3rem);
}

.page-disclaimer .rule-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(53, 242, 194, 0.11) 0 1px,
    transparent 1px 54px
  );
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 78%);
          mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 78%);
}

.page-disclaimer .rule-hero-inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .rule-hero .breadcrumb {
  margin-bottom: 1.15rem;
}

.page-disclaimer .rule-hero .kicker {
  display: inline-block;
  margin: 0;
}

.page-disclaimer .rule-hero h1 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2rem, 7.4vw, 3.9rem);
  line-height: 1.06;
  letter-spacing: -0.005em;
  margin: 0.45rem 0 0;
  max-width: 16em;
  color: var(--paper);
}

.page-disclaimer .rule-hero h1::after {
  content: "";
  display: block;
  width: 88px;
  height: 4px;
  margin-top: 1.05rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--neon), var(--score));
}

.page-disclaimer .rule-hero .lede {
  margin: 1.1rem 0 0;
  max-width: 40rem;
  color: var(--grass);
  font-size: clamp(1rem, 2.4vw, 1.1rem);
  line-height: 1.8;
}

.page-disclaimer .rule-hero-figure {
  margin: clamp(1.6rem, 4vw, 2.6rem) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--stand);
  box-shadow: 0 26px 64px -40px rgba(3, 10, 7, 0.95);
}

.page-disclaimer .rule-hero-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ============ 轨道 + 正文 ============ */
.page-disclaimer .rule-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 3rem);
  padding-top: clamp(1.6rem, 4vw, 2.6rem);
  padding-bottom: clamp(3rem, 8vw, 5.5rem);
}

.page-disclaimer .rule-rail {
  display: grid;
  gap: 0.7rem;
  min-width: 0;
}

.page-disclaimer .rule-rail .rail-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-disclaimer .rule-rail::before,
.page-disclaimer .rule-rail-fill {
  display: none;
}

.page-disclaimer .rule-rail-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0.35rem;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .rule-rail-list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .rule-rail-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(13, 43, 32, 0.66);
  color: var(--grass);
  font-size: 0.86rem;
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-disclaimer .rule-rail-link:hover,
.page-disclaimer .rule-rail-link:focus-visible {
  color: var(--neon-cool);
  border-color: var(--line-strong);
  background: rgba(18, 61, 44, 0.92);
}

.page-disclaimer .rule-rail-link .rail-no {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--score);
}

/* ============ 条款正文 ============ */
.page-disclaimer .rule-body {
  min-width: 0;
  display: grid;
  gap: var(--rule-block);
}

.page-disclaimer .rule-section {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-disclaimer .rule-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  column-gap: 0.85rem;
  row-gap: 0.35rem;
  padding-bottom: 0.95rem;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .rule-num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4.4vw, 2rem);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--neon);
}

.page-disclaimer .rule-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.4rem, 4vw, 2.05rem);
  line-height: 1.15;
  color: var(--paper);
}

.page-disclaimer .rule-summary {
  grid-column: 1 / -1;
  margin: 0.85rem 0 0;
  max-width: var(--rule-measure);
  color: var(--neon-cool);
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-disclaimer .clause-list {
  list-style: none;
  margin: clamp(1.1rem, 3vw, 1.7rem) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(1rem, 2.6vw, 1.45rem);
}

.page-disclaimer .clause {
  padding-left: 1rem;
  border-left: 2px solid var(--line-soft);
  transition: border-color 0.25s ease;
}

.page-disclaimer .clause:hover {
  border-left-color: var(--line-strong);
}

.page-disclaimer .clause-title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.55rem;
  margin: 0 0 0.4rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1rem, 2.6vw, 1.12rem);
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-disclaimer .clause-id {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--score);
  -webkit-user-select: all;
          user-select: all;
}

.page-disclaimer .clause p {
  margin: 0;
  max-width: var(--rule-measure);
  color: var(--grass);
  font-size: 0.95rem;
  line-height: 1.82;
}

.page-disclaimer .clause p + p {
  margin-top: 0.55rem;
}

.page-disclaimer .clause a {
  color: var(--neon);
  text-decoration: underline;
  text-decoration-color: rgba(53, 242, 194, 0.42);
  text-underline-offset: 3px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.page-disclaimer .clause a:hover,
.page-disclaimer .clause a:focus-visible {
  color: var(--neon-cool);
  text-decoration-color: var(--neon-cool);
}

.page-disclaimer .clause-note {
  display: block;
  margin-top: 0.75rem;
  padding: 0.6rem 0.85rem;
  max-width: var(--rule-measure);
  border: 1px solid rgba(255, 138, 61, 0.34);
  border-radius: 12px;
  background: rgba(255, 138, 61, 0.08);
  color: var(--signal);
  font-size: 0.875rem;
  line-height: 1.7;
}

.page-disclaimer .note-mark {
  display: inline-block;
  margin-right: 0.4rem;
  padding: 0.05rem 0.4rem;
  border-radius: 6px;
  background: rgba(255, 90, 54, 0.18);
  color: var(--score);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

/* ============ 阅读进度 ============ */
@keyframes disclaimer-rail-grow {
  from { transform: scaleY(0); }
  to   { transform: scaleY(1); }
}

@supports (animation-timeline: scroll()) {
  .page-disclaimer .rule-rail-fill {
    animation: disclaimer-rail-grow linear both;
    animation-timeline: scroll(root block);
  }
}

/* ============ 桌面端：粘性轨道 ============ */
@media (min-width: 900px) {
  .page-disclaimer .rule-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(2.4rem, 5vw, 4.5rem);
    align-items: start;
  }

  .page-disclaimer .rule-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
    gap: 1.05rem;
    padding-left: 1.6rem;
  }

  .page-disclaimer .rule-rail::before {
    display: block;
    content: "";
    position: absolute;
    left: 0;
    top: 0.4rem;
    bottom: 0.4rem;
    width: 2px;
    border-radius: 2px;
    background: var(--line-soft);
  }

  .page-disclaimer .rule-rail-fill {
    display: block;
    position: absolute;
    left: 0;
    top: 0.4rem;
    width: 2px;
    height: calc(100% - 0.8rem);
    border-radius: 2px;
    background: linear-gradient(180deg, var(--neon), var(--score));
    transform: scaleY(0);
    transform-origin: top center;
  }

  .page-disclaimer .rule-rail-list {
    flex-direction: column;
    gap: 0.1rem;
    overflow: visible;
    padding: 0;
  }

  .page-disclaimer .rule-rail-link {
    display: flex;
    justify-content: flex-start;
    padding: 0.5rem 0.2rem;
    border: 0;
    border-radius: 8px;
    background: transparent;
    white-space: normal;
    font-size: 0.9rem;
    line-height: 1.5;
  }

  .page-disclaimer .rule-rail-link:hover,
  .page-disclaimer .rule-rail-link:focus-visible {
    background: transparent;
    color: var(--neon);
  }

  .page-disclaimer .rule-num {
    font-size: 2.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .rule-rail-fill {
    animation: none;
    transform: scaleY(1);
  }

  .page-disclaimer .clause,
  .page-disclaimer .rule-rail-link {
    transition: none;
  }
}
<<<END>>>