.page-disclaimer {
  --disc-rail: 220px;
  --disc-gap: clamp(2rem, 5vw, 3.5rem);
  background: var(--sky-night);
  color: var(--sky-white);
  overflow-x: clip;
  font-family: var(--font-body);
}

/* ============ 封面 ============ */
.page-disclaimer .disc-cover {
  position: relative;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(2rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--sky-line);
  isolation: isolate;
}

.page-disclaimer .disc-cover__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-disclaimer .disc-cover__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .28;
}

.page-disclaimer .disc-cover__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(7, 14, 31, .35) 0%,
    rgba(7, 14, 31, .82) 62%,
    var(--sky-night) 100%
  );
}

.page-disclaimer .disc-cover__inner {
  position: relative;
}

.page-disclaimer .disc-crumbs {
  margin: 0 0 1.5rem;
  font-size: 13px;
  color: var(--sky-mist);
}
.page-disclaimer .disc-crumbs a {
  color: var(--sky-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}
.page-disclaimer .disc-crumbs a:hover,
.page-disclaimer .disc-crumbs a:focus-visible {
  color: var(--sky-cyan);
  border-bottom-color: var(--sky-cyan);
}
.page-disclaimer .disc-crumbs__sep {
  margin: 0 .55em;
  color: var(--sky-line);
}

.page-disclaimer .disc-eyebrow {
  margin: 0 0 1rem;
  color: var(--sky-cyan);
}

.page-disclaimer .disc-cover__title {
  margin: 0 0 1.15rem;
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: clamp(1.85rem, 5.4vw, 3.4rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  max-width: 20ch;
}

.page-disclaimer .disc-cover__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--sky-mist);
}

.page-disclaimer .disc-marks {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem .8rem;
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
}

.page-disclaimer .disc-marks__item {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem 1rem .5rem .75rem;
  border: 1px solid var(--sky-line);
  border-radius: var(--r-pill);
  background: var(--sky-panel);
  font-size: 13px;
  color: var(--sky-white);
}

.page-disclaimer .disc-marks__num {
  color: var(--sky-cyan);
  font-size: 12px;
}

/* ============ 主区布局 ============ */
.page-disclaimer .disc-main {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--disc-gap);
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(3rem, 7vw, 5.5rem);
}

/* ============ 目录 ============ */
.page-disclaimer .disc-toc {
  align-self: start;
}

.page-disclaimer .disc-toc__label {
  margin: 0 0 .9rem;
  color: var(--sky-mist);
}

.page-disclaimer .disc-toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem .6rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: disc-toc;
}

.page-disclaimer .disc-toc__list li {
  counter-increment: disc-toc;
}

.page-disclaimer .disc-toc__list a {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  min-height: 44px;
  padding: .35rem .95rem;
  border: 1px solid var(--sky-line);
  border-radius: var(--r-pill);
  font-size: 13px;
  color: var(--sky-mist);
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-disclaimer .disc-toc__list a::before {
  content: counter(disc-toc, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--sky-cyan);
}

.page-disclaimer .disc-toc__list a:hover,
.page-disclaimer .disc-toc__list a:focus-visible {
  color: var(--sky-white);
  border-color: var(--sky-cyan);
  background: var(--sky-raise);
}

/* ============ 内容区 ============ */
.page-disclaimer .disc-content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(2.5rem, 6vw, 4rem);
}

/* ============ 两栏 ============ */
.page-disclaimer .disc-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-disclaimer .disc-col {
  position: relative;
  padding: 1.5rem 1.35rem 1.75rem;
  border: 1px solid var(--sky-line);
  border-radius: var(--r-md);
  background: var(--sky-panel);
  box-shadow: var(--shadow-panel);
}

.page-disclaimer .disc-col::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.75rem;
  bottom: 1.75rem;
  width: 2px;
  border-radius: var(--r-pill);
  background: linear-gradient(180deg, var(--sky-cyan) 0%, var(--sky-orange) 100%);
}

.page-disclaimer .disc-col__head {
  padding-left: .65rem;
  margin-bottom: 1.25rem;
}

.page-disclaimer .disc-col__code {
  margin: 0 0 .6rem;
  color: var(--sky-cyan);
}

.page-disclaimer .disc-col__title {
  margin: 0 0 .75rem;
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  line-height: 1.32;
  letter-spacing: -0.005em;
}

.page-disclaimer .disc-col__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--sky-mist);
}

/* ============ 全宽区块 ============ */
.page-disclaimer .disc-block {
  position: relative;
  padding-top: clamp(1.75rem, 4vw, 2.5rem);
  border-top: 1px solid var(--sky-line);
}

.page-disclaimer .disc-block::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: clamp(56px, 12%, 140px);
  height: 2px;
  border-radius: var(--r-pill);
  background: var(--sky-cyan);
}

.page-disclaimer .disc-block--version::before {
  background: linear-gradient(90deg, var(--sky-cyan) 0%, var(--sky-orange) 100%);
  width: clamp(96px, 22%, 260px);
}

.page-disclaimer .disc-block__head {
  margin-bottom: 1.5rem;
  max-width: 64ch;
}

.page-disclaimer .disc-block__code {
  margin: 0 0 .7rem;
  color: var(--sky-mist);
}

.page-disclaimer .disc-block__title {
  margin: 0 0 .7rem;
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: clamp(1.25rem, 3vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-disclaimer .disc-block__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--sky-mist);
}

/* ============ 条目列表 ============ */
.page-disclaimer .disc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-disclaimer .disc-list--wide {
  max-width: 82ch;
}

.page-disclaimer .disc-item {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: .55rem .9rem;
  padding: .95rem 0;
  border-bottom: 1px solid var(--sky-line);
}

.page-disclaimer .disc-item:first-child {
  padding-top: .25rem;
}

.page-disclaimer .disc-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-disclaimer .disc-item__text {
  flex: 1 1 22ch;
  min-width: 0;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--sky-white);
}

.page-disclaimer .disc-item__text a {
  color: var(--sky-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 232, 210, .4);
  transition: border-color .18s ease, color .18s ease;
}

.page-disclaimer .disc-item__text a:hover,
.page-disclaimer .disc-item__text a:focus-visible {
  color: var(--sky-cyan-soft);
  border-bottom-color: var(--sky-cyan-soft);
}

/* ============ 胶囊标签 ============ */
.page-disclaimer .disc-tag {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: .2rem .75rem;
  border-radius: var(--r-pill);
  border: 1px solid rgba(43, 232, 210, .35);
  background: rgba(43, 232, 210, .12);
  color: var(--sky-cyan-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  white-space: nowrap;
}

.page-disclaimer .disc-tag--key {
  border-color: rgba(255, 106, 43, .4);
  background: rgba(255, 106, 43, .14);
  color: var(--sky-orange-soft);
}

/* ============ 版本时间线 ============ */
.page-disclaimer .disc-timeline {
  margin: 0 0 1.75rem;
}

.page-disclaimer .disc-timeline__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-disclaimer .disc-timeline__base {
  stroke: var(--sky-line);
  stroke-width: 1.5;
}

.page-disclaimer .disc-timeline__trace {
  stroke: var(--sky-cyan);
  stroke-width: 2;
  stroke-dasharray: 5 9;
  opacity: .85;
}

.page-disclaimer .disc-timeline__node {
  fill: var(--sky-cyan);
  opacity: .62;
}

.page-disclaimer .disc-timeline__node--major {
  opacity: 1;
  filter: drop-shadow(0 0 9px rgba(43, 232, 210, .55));
}

.page-disclaimer .disc-timeline__year {
  fill: var(--sky-mist);
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: .06em;
}

.page-disclaimer .disc-timeline__list {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: .4rem;
  margin: .55rem 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-timeline__list li {
  text-align: center;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--sky-mist);
  word-break: break-word;
}

/* ============ 延伸阅读 ============ */
.page-disclaimer .disc-related {
  padding-top: clamp(1.5rem, 3.5vw, 2rem);
  border-top: 1px solid var(--sky-line);
}

.page-disclaimer .disc-related__label {
  margin: 0 0 1rem;
  color: var(--sky-mist);
}

.page-disclaimer .disc-related__links {
  display: grid;
  grid-template-columns: 1fr;
  gap: .75rem;
}

.page-disclaimer .disc-related__link {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  min-height: 44px;
  padding: 1rem 1.15rem;
  border: 1px solid var(--sky-line);
  border-radius: var(--r-sm);
  background: var(--sky-panel);
  text-decoration: none;
  transition: border-color .18s ease, background-color .18s ease, transform .18s ease;
}

.page-disclaimer .disc-related__link:hover,
.page-disclaimer .disc-related__link:focus-visible {
  border-color: var(--sky-cyan);
  background: var(--sky-raise);
  transform: translateY(-2px);
}

.page-disclaimer .disc-related__title {
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--sky-white);
}

.page-disclaimer .disc-related__sub {
  font-size: 13px;
  line-height: 1.6;
  color: var(--sky-mist);
}

/* ============ 响应式 ============ */
@media (max-width: 599px) {
  .page-disclaimer .disc-cover__title {
    max-width: none;
  }

  .page-disclaimer .disc-timeline__list {
    grid-template-columns: repeat(2, 1fr);
    gap: .55rem .75rem;
  }

  .page-disclaimer .disc-timeline__list li {
    text-align: left;
    padding-left: .75rem;
    border-left: 1px solid var(--sky-line);
  }

  .page-disclaimer .disc-marks {
    gap: .45rem;
  }

  .page-disclaimer .disc-marks__item {
    font-size: 12px;
    padding: .4rem .8rem .4rem .65rem;
  }
}

@media (min-width: 760px) {
  .page-disclaimer .disc-related__links {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-disclaimer .disc-col {
    padding: 1.85rem 1.75rem 2rem;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .disc-pair {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-disclaimer .disc-main {
    grid-template-columns: var(--disc-rail) minmax(0, 1fr);
    column-gap: clamp(2.5rem, 5vw, 4rem);
  }

  .page-disclaimer .disc-toc {
    position: sticky;
    top: calc(var(--head-h) + 1.5rem);
  }

  .page-disclaimer .disc-toc__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: .3rem;
  }

  .page-disclaimer .disc-toc__list a {
    display: flex;
    width: 100%;
    border-color: transparent;
    border-radius: var(--r-sm);
    padding: .55rem .85rem;
  }

  .page-disclaimer .disc-toc__list a:hover,
  .page-disclaimer .disc-toc__list a:focus-visible {
    border-color: var(--sky-line);
  }

  .page-disclaimer .disc-item__text {
    flex-basis: 32ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-related__link,
  .page-disclaimer .disc-crumbs a,
  .page-disclaimer .disc-toc__list a,
  .page-disclaimer .disc-item__text a {
    transition: none;
  }

  .page-disclaimer .disc-related__link:hover,
  .page-disclaimer .disc-related__link:focus-visible {
    transform: none;
  }
}
<<<END>>>