.page-disclaimer {
  --disc-text: #D3DBF7;
  --disc-rule: rgba(27, 42, 102, 0.9);
  position: relative;
  isolation: isolate;
  overflow-x: clip;
  background: var(--ink-abyss);
  color: var(--paper);
  font-family: var(--font-body);
  padding: 0 0 96px;
}

.page-disclaimer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 150vh;
  z-index: -1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(112deg, rgba(0, 229, 255, 0.06) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(64deg, rgba(255, 45, 149, 0.05) 0 1px, transparent 1px 148px),
    radial-gradient(120% 60% at 80% 0%, rgba(108, 75, 255, 0.2), transparent 62%);
  animation: disc-drift 52s linear infinite;
}

@keyframes disc-drift {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-88px, 88px, 0); }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer::before { animation: none; }
}

/* 区间色彩映射 */
.page-disclaimer [data-range="r1"] { --rc: var(--r1); }
.page-disclaimer [data-range="r2"] { --rc: var(--r2); }
.page-disclaimer [data-range="r3"] { --rc: var(--r3); }
.page-disclaimer [data-range="r4"] { --rc: var(--r4); }
.page-disclaimer [data-range="r5"] { --rc: var(--r5); }
.page-disclaimer [data-range="r6"] { --rc: var(--r6); }

/* 首屏 */
.page-disclaimer .disc-hero {
  position: relative;
  z-index: 1;
  max-width: 780px;
  padding: 40px 0 34px;
}

.page-disclaimer .disc-kicker {
  margin: 0 0 16px;
  font-size: 12px;
  line-height: 16px;
  letter-spacing: 0.24em;
  color: var(--cyan);
}

.page-disclaimer h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 28px;
  line-height: 1.34;
  letter-spacing: 0.03em;
  color: var(--paper);
  overflow-wrap: break-word;
}

.page-disclaimer .disc-lede {
  margin: 0;
  max-width: 33em;
  font-size: 16px;
  line-height: 28px;
  color: var(--muted);
}

@media (min-width: 768px) {
  .page-disclaimer h1 {
    font-size: 40px;
    line-height: 52px;
  }
}

/* 顶部图 */
.page-disclaimer .disc-figure {
  position: relative;
  z-index: 1;
  margin: 0 0 56px;
  padding: 0;
}

.page-disclaimer .disc-figure-img {
  overflow: hidden;
  border: 1px solid var(--line-scale);
  border-radius: 6px;
  background: var(--ink-cabin);
}

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

.page-disclaimer .figure-cap {
  margin-top: 12px;
  font-size: 12px;
  line-height: 20px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* 双栏骨架 */
.page-disclaimer .disc-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}

.page-disclaimer .disc-flow {
  display: flex;
  flex-direction: column;
  gap: 64px;
  min-width: 0;
}

/* 索引轨 */
.page-disclaimer .disc-rail {
  border-top: 1px solid var(--line-scale);
  border-bottom: 1px solid var(--line-scale);
  padding: 14px 0;
}

.page-disclaimer .disc-rail-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 16px;
  letter-spacing: 0.24em;
  color: var(--muted);
}

.page-disclaimer .rail-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .rail-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px;
  border-radius: 4px;
  font-size: 14px;
  line-height: 24px;
  color: var(--muted);
  text-decoration: none;
  transition: color 200ms var(--ease-out), background-color 200ms var(--ease-out);
}

.page-disclaimer .rail-link:hover {
  color: var(--paper);
  background: var(--glass);
}

.page-disclaimer .rail-link:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 4px;
}

.page-disclaimer .rail-dot {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--rc, var(--line-scale));
  transition: transform 200ms var(--ease-out), box-shadow 200ms var(--ease-out);
}

.page-disclaimer .rail-link[aria-current] {
  color: var(--paper);
}

.page-disclaimer .rail-link[aria-current] .rail-dot {
  transform: scale(1.6);
  box-shadow: 0 0 12px var(--rc, var(--cyan));
}

@media (max-width: 999px) {
  .page-disclaimer .disc-rail .rail-list {
    flex-direction: row;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 6px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

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

  .page-disclaimer .rail-link {
    white-space: nowrap;
    border: 1px solid var(--line-scale);
    padding: 6px 12px;
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .disc-layout {
    grid-template-columns: 176px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-disclaimer .disc-flow {
    gap: 88px;
  }

  .page-disclaimer .disc-rail {
    position: sticky;
    top: 108px;
    border: 1px solid var(--line-scale);
    border-radius: 6px;
    padding: 18px 14px;
    background: var(--glass);
  }

  .page-disclaimer .disc-rail .rail-list {
    flex-direction: column;
  }

  .page-disclaimer .rail-link {
    border: 0;
    padding: 6px 8px;
  }
}

/* 章节 */
.page-disclaimer .disc-section {
  position: relative;
  scroll-margin-top: 96px;
  border-top: 1px solid var(--line-scale);
  padding-top: 26px;
}

.page-disclaimer .disc-section::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 64px;
  height: 2px;
  background: var(--rc, var(--cyan));
  box-shadow: 0 0 14px var(--rc, var(--cyan));
}

.page-disclaimer .disc-h2 {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.42;
  letter-spacing: 0.03em;
  color: var(--paper);
}

@media (min-width: 768px) {
  .page-disclaimer .disc-h2 {
    font-size: 26px;
    line-height: 1.38;
  }
}

.page-disclaimer .disc-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0;
  color: var(--rc, var(--cyan));
}

.page-disclaimer :where(.disc-section) p {
  margin: 0 0 16px;
  max-width: 34em;
  font-size: 16px;
  line-height: 28px;
  color: var(--disc-text);
}

.page-disclaimer :where(.disc-section) p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .disc-section a {
  color: var(--cyan);
  text-decoration: none;
  transition: color 180ms var(--ease-out);
}

.page-disclaimer .disc-section a:hover {
  color: var(--paper);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.page-disclaimer .disc-section p.disc-note {
  max-width: 34em;
  font-size: 14px;
  line-height: 24px;
  color: var(--muted);
}

/* 资料参数条 */
.page-disclaimer .disc-facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 28px 0;
  border: 1px solid var(--line-scale);
  border-radius: 6px;
  background: var(--line-scale);
  overflow: hidden;
}

@media (min-width: 620px) {
  .page-disclaimer .disc-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-disclaimer .disc-fact {
  padding: 18px 20px;
  background: var(--ink-cabin);
}

.page-disclaimer .disc-fact dt {
  margin: 0 0 8px;
  font-size: 12px;
  line-height: 16px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-disclaimer .disc-fact dd {
  margin: 0;
  font-size: 20px;
  line-height: 26px;
  color: var(--paper);
}

/* 版本号信息高点 */
.page-disclaimer .disc-version {
  position: relative;
  margin: 32px 0;
  padding: 22px 24px;
  border-left: 2px solid var(--amber);
  border-radius: 0 6px 6px 0;
  background: linear-gradient(100deg, rgba(255, 194, 75, 0.1), rgba(255, 194, 75, 0) 68%);
}

.page-disclaimer .disc-version-label {
  margin: 0 0 10px;
  font-size: 12px;
  line-height: 16px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-disclaimer .disc-version-num {
  margin: 0 0 10px;
  font-size: 48px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--amber);
  text-shadow: 0 0 28px rgba(255, 194, 75, 0.45);
}

.page-disclaimer .disc-version-meta {
  margin: 0;
  font-size: 14px;
  line-height: 24px;
  color: var(--paper);
}

/* 条列 */
.page-disclaimer .disc-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 20px 0 24px;
  padding: 0;
  max-width: 34em;
  list-style: none;
}

.page-disclaimer .disc-list li {
  position: relative;
  padding-left: 18px;
  font-size: 16px;
  line-height: 28px;
  color: var(--disc-text);
}

.page-disclaimer .disc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--rc, var(--cyan));
  box-shadow: 0 0 10px var(--rc, var(--cyan));
}

.page-disclaimer .disc-list-key {
  display: block;
  margin-bottom: 2px;
  font-weight: 600;
  color: var(--paper);
}

/* 引用块 */
.page-disclaimer .disc-quote {
  margin: 28px 0;
  padding: 4px 0 4px 20px;
  max-width: 34em;
  border-left: 2px solid var(--magenta);
}

.page-disclaimer .disc-quote p {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 30px;
  color: var(--paper);
}

/* 联系读数 */
.page-disclaimer .disc-contact {
  display: inline-block;
  padding: 1px 6px;
  border: 1px solid var(--line-scale);
  border-radius: 3px;
  font-size: 15px;
  color: var(--amber);
  background: var(--glass);
  overflow-wrap: anywhere;
}