.page-disclaimer {
  --doc-rule: rgba(11, 61, 58, .15);
  --doc-rule-strong: rgba(11, 61, 58, .32);
  --doc-rule-dark: rgba(184, 255, 240, .22);
  --doc-tint: rgba(0, 229, 192, .08);
  background: var(--paper);
  color: var(--text);
}

/* ── 首屏 ───────────────────────────────────── */
.page-disclaimer .doc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background-color: var(--ink-green);
  color: var(--text-on-dark);
  padding-block: clamp(30px, 5vw, 62px) clamp(42px, 7vw, 84px);
}

.page-disclaimer .doc-hero__img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 76% 38%;
  opacity: .48;
}

.page-disclaimer .doc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    180deg,
    rgba(6, 39, 37, .78) 0%,
    rgba(6, 39, 37, .92) 58%,
    var(--ink-green-deep) 100%
  );
}

.page-disclaimer .doc-hero__inner {
  position: relative;
}

.page-disclaimer .crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--sage);
}

.page-disclaimer .crumb a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 192, .45);
  padding-bottom: 1px;
}

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

.page-disclaimer .crumb [aria-current] {
  color: var(--text-on-dark);
}

.page-disclaimer .doc-hero .eyebrow {
  margin: clamp(26px, 5vw, 44px) 0 12px;
  color: var(--cyan);
}

.page-disclaimer .doc-hero h1 {
  margin: 0 0 18px;
  max-width: 16ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 7.4vw, 54px);
  line-height: 1.16;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-disclaimer .doc-hero .lead {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 3.5vw, 17px);
  line-height: 1.9;
  color: var(--text-on-dark);
}

.page-disclaimer .doc-summary {
  list-style: none;
  margin: clamp(26px, 5vw, 42px) 0 0;
  padding: 0;
  max-width: 640px;
  border-bottom: 1px solid var(--doc-rule-dark);
}

.page-disclaimer .doc-summary li {
  position: relative;
  padding: 13px 0 13px 30px;
  border-top: 1px solid var(--doc-rule-dark);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-on-dark);
}

.page-disclaimer .doc-summary li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 10px;
  height: 10px;
  background: var(--doc-tint);
  border: 1px solid var(--cyan);
}

/* ── 章节索引 ───────────────────────────────── */
.page-disclaimer .doc-index {
  background: var(--mist);
  border-bottom: 1px solid var(--doc-rule);
}

.page-disclaimer .doc-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--doc-rule);
}

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

.page-disclaimer .doc-index a {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 60px;
  min-width: 0;
  padding: 12px 16px;
  background: var(--paper);
  border-left: 3px solid transparent;
  text-decoration: none;
  color: var(--text);
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .doc-index a:hover,
.page-disclaimer .doc-index a:focus-visible {
  background: var(--cyan-soft);
  border-left-color: var(--ink-green);
}

.page-disclaimer .doc-index a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -3px;
}

.page-disclaimer .doc-index__no {
  flex: 0 0 auto;
  padding: 4px 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  background: var(--ink-green);
  color: var(--cyan-soft);
}

.page-disclaimer .doc-index__label {
  min-width: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
}

.page-disclaimer .doc-index__list li:nth-child(2) .doc-index__no {
  background: var(--indigo);
  color: var(--paper);
}

.page-disclaimer .doc-index__list li:nth-child(3) .doc-index__no {
  background: var(--wine);
  color: var(--paper);
}

.page-disclaimer .doc-index__list li:nth-child(4) .doc-index__no {
  background: var(--orange);
  color: var(--ink);
}

/* ── 正文窄栏 ───────────────────────────────── */
.page-disclaimer .doc-body {
  padding-block: clamp(40px, 7vw, 92px);
  background: var(--paper);
}

.page-disclaimer .doc-body__inner {
  display: flex;
  flex-direction: column;
  gap: clamp(32px, 5vw, 60px);
  max-width: 78ch;
  margin-inline: auto;
}

.page-disclaimer .doc-section {
  border-top: 1px solid var(--doc-rule-strong);
  padding-top: clamp(20px, 3vw, 30px);
  scroll-margin-top: calc(var(--bar-h) + 96px);
}

.page-disclaimer .doc-section__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 14px;
}

.page-disclaimer .doc-section__no {
  flex: 0 0 auto;
  margin-top: 5px;
  padding: 6px 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  background: var(--ink-green);
  color: var(--cyan-soft);
}

.page-disclaimer .doc-section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 4.4vw, 30px);
  line-height: 1.3;
  color: var(--ink-green);
}

.page-disclaimer .doc-section__text p {
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
}

.page-disclaimer .doc-section:nth-of-type(2) .doc-section__no {
  background: var(--indigo);
  color: var(--paper);
}

.page-disclaimer .doc-section:nth-of-type(3) .doc-section__no {
  background: var(--wine);
  color: var(--paper);
}

.page-disclaimer .doc-section:nth-of-type(4) .doc-section__no {
  background: var(--orange);
  color: var(--ink);
}

/* ── 折叠补充 ───────────────────────────────── */
.page-disclaimer .doc-section details {
  margin-top: 20px;
  background: var(--mist);
  border: 1px solid var(--doc-rule);
  border-left: 3px solid var(--ink-green);
}

.page-disclaimer .doc-section details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 52px;
  padding: 12px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-green);
}

.page-disclaimer .doc-section details summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .doc-section details summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--orange);
}

.page-disclaimer .doc-section details[open] summary::after {
  content: "\2212";
}

.page-disclaimer .doc-section details summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}

.page-disclaimer .doc-section details ul {
  list-style: none;
  margin: 0;
  padding: 0 16px 18px 34px;
  display: grid;
  gap: 10px;
}

.page-disclaimer .doc-section details li {
  position: relative;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-disclaimer .doc-section details li::before {
  content: "";
  position: absolute;
  left: -16px;
  top: .78em;
  width: 7px;
  height: 1px;
  background: var(--sage);
}

/* ── 相关说明 ───────────────────────────────── */
.page-disclaimer .doc-related {
  background: var(--ink-green);
  color: var(--text-on-dark);
  padding-block: clamp(40px, 6vw, 76px);
}

.page-disclaimer .doc-related h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 5vw, 34px);
  line-height: 1.25;
  color: var(--paper);
}

.page-disclaimer .doc-related .grid {
  gap: 16px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-disclaimer .doc-card {
  display: block;
  padding: 22px 20px 24px;
  background: rgba(247, 245, 240, .06);
  border: 1px solid var(--doc-rule-dark);
  border-top: 3px solid var(--cyan);
  text-decoration: none;
  color: inherit;
  transition: background .22s var(--ease), border-color .22s var(--ease);
}

.page-disclaimer .doc-card:hover,
.page-disclaimer .doc-card:focus-visible {
  background: rgba(0, 229, 192, .12);
  border-color: var(--cyan);
}

.page-disclaimer .doc-card:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-disclaimer .doc-card__k {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-disclaimer .doc-card__t {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--paper);
}

.page-disclaimer .doc-card__d {
  display: block;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-on-dark);
}

/* ── 响应式 ─────────────────────────────────── */
@media (min-width: 700px) {
  .page-disclaimer .doc-index__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-disclaimer .doc-section__head {
    gap: 18px;
  }

  .page-disclaimer .doc-section details ul {
    padding-left: 42px;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .doc-index {
    position: sticky;
    top: var(--bar-h);
    z-index: 4;
  }

  .page-disclaimer .doc-hero__img {
    object-position: 68% 42%;
  }

  .page-disclaimer .doc-body__inner {
    max-width: 74ch;
  }
}
<<<END>>>