.page-disclaimer {
  --lg-measure: 41em;
  background: var(--ink);
  color: var(--stone);
  display: block;
  overflow-x: clip;
}

.page-disclaimer .lg-shell {
  max-width: var(--w-max);
  margin-inline: auto;
  padding-inline: var(--pad-x);
  padding-block: clamp(20px, 3.5vw, 40px) clamp(72px, 10vw, 140px);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .lg-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  padding-block: clamp(22px, 4vw, 46px) clamp(30px, 5vw, 58px);
  margin-top: clamp(16px, 3vw, 28px);
}

.page-disclaimer .lg-hero::before {
  content: "";
  position: absolute;
  top: -38%;
  right: -12%;
  width: min(600px, 88vw);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, var(--glow-amber), transparent 62%);
  pointer-events: none;
  z-index: 0;
  animation: lg-breathe 11s ease-in-out infinite;
}

.page-disclaimer .lg-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: min(240px, 42%);
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
  z-index: 1;
}

.page-disclaimer .lg-hero > * {
  position: relative;
  z-index: 1;
}

.page-disclaimer .lg-eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-disclaimer .lg-hero .display {
  margin: 0 0 clamp(16px, 2.6vw, 24px);
  max-width: 18em;
}

.page-disclaimer .lg-hero .lede {
  margin: 0;
  max-width: 36em;
  color: var(--silver);
}

.page-disclaimer .lg-meta {
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 18px 30px;
  grid-template-columns: 1fr;
}

.page-disclaimer .lg-meta > li {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.page-disclaimer .lg-meta__k {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-disclaimer .lg-meta__v {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--silver);
}

/* ---------- 主体布局 ---------- */
.page-disclaimer .lg-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4.5vw, 60px);
  padding-top: clamp(30px, 5vw, 66px);
}

.page-disclaimer .lg-rail {
  align-self: start;
}

.page-disclaimer .lg-rail__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-disclaimer .lg-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-disclaimer .lg-rail__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  text-decoration: none;
  font-size: 13.5px;
  line-height: 1.4;
  color: var(--slate);
  transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
}

.page-disclaimer .lg-rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-disclaimer .lg-rail__link:hover,
.page-disclaimer .lg-rail__link:focus-visible {
  color: var(--stone);
  border-color: var(--gold);
  background: var(--ink-2);
}

/* ---------- 正文文档 ---------- */
.page-disclaimer .lg-doc {
  display: flex;
  flex-direction: column;
  gap: clamp(34px, 5.5vw, 62px);
}

.page-disclaimer .lg-sec {
  scroll-margin-top: 96px;
  border-top: 1px solid var(--line);
  padding-top: clamp(20px, 3vw, 30px);
}

.page-disclaimer .lg-sec__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  margin-bottom: clamp(14px, 2.4vw, 22px);
}

.page-disclaimer .lg-sec__num {
  font-family: var(--font-mono);
  font-size: clamp(19px, 3vw, 27px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-disclaimer .lg-sec .h2 {
  margin: 0;
  flex: 1 1 12em;
  min-width: 0;
}

.page-disclaimer .lg-sec .copybtn {
  align-self: center;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  padding: 6px 12px;
  border-radius: 999px;
}

.page-disclaimer .lg-p {
  max-width: var(--lg-measure);
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--silver);
}

.page-disclaimer .lg-p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .lg-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  max-width: var(--lg-measure);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-disclaimer .lg-list > li {
  position: relative;
  padding-left: 26px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--silver);
}

.page-disclaimer .lg-list > li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0.86em;
  width: 9px;
  height: 2px;
  background: var(--gold);
  opacity: 0.9;
}

.page-disclaimer .lg-list strong {
  color: var(--stone);
  font-weight: 600;
}

.page-disclaimer .lg-code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  letter-spacing: 0.02em;
  color: var(--stone);
  background: var(--ink-3);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2px 7px;
  white-space: nowrap;
}

/* ---------- 中段通栏 ---------- */
.page-disclaimer .lg-break {
  margin-inline: calc(-1 * var(--pad-x));
  margin-block: clamp(6px, 1.5vw, 14px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink-2), var(--ink));
}

.page-disclaimer .lg-break img {
  width: 100%;
  height: clamp(200px, 34vw, 380px);
  object-fit: cover;
  display: block;
  opacity: 0.92;
}

.page-disclaimer .lg-break .media-frame__caption {
  padding: 12px var(--pad-x) 14px;
  font-size: 12.5px;
  color: var(--slate);
}

/* ---------- 联系块 ---------- */
.page-disclaimer .lg-contact {
  max-width: var(--lg-measure);
  margin-top: clamp(20px, 3vw, 30px);
  display: flex;
  flex-direction: column;
}

.page-disclaimer .lg-contact__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px 14px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

.page-disclaimer .lg-contact__label {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-disclaimer .lg-contact__value {
  min-width: 0;
  font-family: var(--font-mono);
  font-size: clamp(13px, 3.2vw, 15px);
  line-height: 1.6;
  color: var(--stone);
  overflow-wrap: anywhere;
}

.page-disclaimer .lg-contact .copybtn {
  font-size: 10.5px;
  padding: 7px 13px;
  border-radius: 999px;
  white-space: nowrap;
}

.page-disclaimer .lg-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 回到顶部 ---------- */
.page-disclaimer .lg-top {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(18, 38, 61, 0.88);
  color: var(--silver);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  transition: color 0.25s ease, border-color 0.25s ease;
}

.page-disclaimer .lg-top::before {
  content: "↑";
  font-size: 13px;
  color: var(--amber);
}

.page-disclaimer .lg-top:hover,
.page-disclaimer .lg-top:focus-visible {
  color: var(--stone);
  border-color: var(--gold);
}

/* ---------- 动效 ---------- */
@keyframes lg-breathe {
  0%,
  100% {
    opacity: 0.36;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.06);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .lg-hero::before {
    animation: none;
    opacity: 0.45;
  }
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-disclaimer .lg-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-disclaimer .lg-body {
    grid-template-columns: 212px minmax(0, 1fr);
  }

  .page-disclaimer .lg-rail {
    position: sticky;
    top: 92px;
  }

  .page-disclaimer .lg-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    border-left: 1px solid var(--line);
  }

  .page-disclaimer .lg-rail__link {
    position: relative;
    border: 0;
    border-radius: 0;
    padding: 11px 0 11px 18px;
    background: none;
  }

  .page-disclaimer .lg-rail__link::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 50%;
    width: 1px;
    height: 0;
    background: var(--amber);
    transform: translateY(-50%);
    transition: height 0.32s ease;
  }

  .page-disclaimer .lg-rail__link:hover,
  .page-disclaimer .lg-rail__link:focus-visible {
    background: none;
    border-color: transparent;
  }

  .page-disclaimer .lg-rail__link:hover::before,
  .page-disclaimer .lg-rail__link:focus-visible::before {
    height: 100%;
  }

  .page-disclaimer .lg-break {
    margin-inline: calc(-1 * clamp(20px, 5vw, 64px)) calc(-1 * var(--pad-x));
  }

  .page-disclaimer .lg-break .media-frame__caption {
    padding-inline: clamp(20px, 5vw, 64px);
  }
}
<<<END>>>
<<<END>>>
<<<END>>>

错了，我不该写 <<<END>>>。正确格式应该是只有两个标记。让我重新输出。