.page-disclaimer {
  --doc-measure: 680px;
}

.page-disclaimer .doc-hero {
  position: relative;
  padding: 52px 0 40px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(560px 300px at 10% 0%, rgba(23, 225, 203, .13), transparent 70%),
    radial-gradient(460px 260px at 92% 100%, rgba(243, 178, 63, .12), transparent 72%);
}

.page-disclaimer .doc-hero .crumbs {
  margin-bottom: 26px;
}

.page-disclaimer .doc-hero .label {
  display: inline-block;
}

.page-disclaimer .doc-hero h1 {
  margin: 16px 0 18px;
  max-width: 20ch;
}

.page-disclaimer .doc-hero .lead {
  max-width: 620px;
  color: var(--mist);
}

.page-disclaimer .doc-meta {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-disclaimer .doc-meta li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  background: rgba(27, 58, 87, .38);
  color: var(--mist);
  font-size: 12.5px;
  line-height: 1.4;
}

.page-disclaimer .doc-meta .mono {
  color: var(--gold);
  letter-spacing: .04em;
}

/* 布局 */
.page-disclaimer .doc-layout {
  padding-top: 40px;
  padding-bottom: 76px;
}

.page-disclaimer .doc-body {
  min-width: 0;
}

/* 章节导航 */
.page-disclaimer .doc-rail {
  display: none;
}

@media (min-width: 900px) {
  .page-disclaimer .doc-layout {
    display: grid;
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-disclaimer .doc-rail {
    display: block;
    position: sticky;
    top: 108px;
    padding: 4px 0 4px 16px;
    border-left: 1px solid var(--line);
  }

  .page-disclaimer .doc-rail .rail__link {
    display: block;
    padding: 7px 0;
    color: var(--mist);
    font-size: 13px;
    line-height: 1.5;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color .2s var(--ease), border-color .2s var(--ease);
  }

  .page-disclaimer .doc-rail .rail__link:hover {
    color: var(--cyan);
  }

  .page-disclaimer .doc-rail .rail__link[aria-current="true"] {
    color: var(--gold);
    border-bottom-color: rgba(243, 178, 63, .5);
  }
}

/* 章节 */
.page-disclaimer .doc-sec {
  padding: 34px 0 40px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .doc-sec:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-disclaimer .doc-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
}

.page-disclaimer .doc-sec__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--gold);
  flex: 0 0 auto;
}

.page-disclaimer .doc-sec__title {
  margin: 0;
  max-width: 24ch;
}

.page-disclaimer .doc-sec p {
  max-width: var(--doc-measure);
  color: var(--ice);
  font-size: 16.5px;
  line-height: 1.85;
  margin: 0;
}

.page-disclaimer .doc-sec p + p {
  margin-top: 18px;
}

.page-disclaimer .doc-sec .doc-note {
  position: relative;
  margin-top: 20px;
  padding: 16px 18px 16px 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan-dim);
  border-radius: var(--r);
  background: linear-gradient(120deg, rgba(27, 58, 87, .5), rgba(18, 41, 63, .25));
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

/* 版本示意图 */
.page-disclaimer .ver-figure {
  max-width: var(--doc-measure);
  margin: 26px 0 30px;
}

.page-disclaimer .ver-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  background: var(--ink-2);
  object-fit: cover;
}

.page-disclaimer .ver-figure .media-caption {
  margin-top: 10px;
  color: var(--mist);
  font-size: 12.5px;
  line-height: 1.6;
}

/* 版本节点 */
.page-disclaimer .ver-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  max-width: var(--doc-measure);
}

.page-disclaimer .ver-node {
  position: relative;
  padding-top: 24px;
}

.page-disclaimer .ver-node__dot {
  position: absolute;
  left: 0;
  top: 2px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--cyan-dim);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-disclaimer .ver-node__label {
  display: block;
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--ice);
}

.page-disclaimer .ver-node__tip {
  display: block;
  margin-top: 8px;
  color: var(--mist);
  font-size: 12.5px;
  line-height: 1.65;
}

.page-disclaimer .ver-node:last-child .ver-node__label {
  color: var(--gold);
}

.page-disclaimer .ver-node:last-child .ver-node__dot {
  border-color: var(--gold-lt);
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(243, 178, 63, .16);
}

@media (min-width: 560px) {
  .page-disclaimer .ver-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 20px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .ver-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 44px 22px;
    position: relative;
  }

  .page-disclaimer .ver-list::before {
    content: "";
    position: absolute;
    left: 6px;
    right: 6px;
    top: 7px;
    height: 1px;
    background: linear-gradient(90deg, rgba(14, 156, 146, .9), rgba(243, 178, 63, .85));
  }

  .page-disclaimer .ver-node__tip {
    position: absolute;
    left: 0;
    bottom: calc(100% + 14px);
    width: 210px;
    margin: 0;
    padding: 10px 12px;
    background: var(--panel);
    border: 1px solid var(--line-strong);
    border-radius: var(--r);
    box-shadow: 0 14px 30px rgba(4, 12, 24, .5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
    z-index: 3;
  }

  .page-disclaimer .ver-node:last-child .ver-node__tip {
    left: auto;
    right: 0;
  }

  .page-disclaimer .ver-node:hover .ver-node__tip,
  .page-disclaimer .ver-node:focus-within .ver-node__tip {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .page-disclaimer .ver-node:hover .ver-node__dot {
    border-color: var(--cyan);
  }
}

/* 收束分割线 */
.page-disclaimer .doc-rule {
  height: 2px;
  max-width: var(--doc-measure);
  margin: 4px 0 46px;
  background: linear-gradient(90deg, var(--cyan) 0%, rgba(23, 225, 203, .35) 42%, rgba(23, 225, 203, 0) 100%);
}

/* 相关说明 */
.page-disclaimer .doc-links {
  max-width: var(--doc-measure);
}

.page-disclaimer .doc-links h2 {
  margin: 0 0 20px;
}

.page-disclaimer .doc-links__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-disclaimer .doc-links__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 16px 2px;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .doc-links__list a {
  flex: 0 0 auto;
  color: var(--cyan);
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 225, 203, .35);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .doc-links__list a:hover {
  color: var(--gold);
  border-bottom-color: rgba(243, 178, 63, .6);
}

.page-disclaimer .doc-links__list span {
  flex: 1 1 220px;
  min-width: 0;
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.65;
}

@media (min-width: 900px) {
  .page-disclaimer .doc-links__list li {
    padding: 18px 4px 18px 0;
  }
}
<<<END>>>