.page-disclaimer {
  --doc-rail-width: 250px;
  --doc-gap: 56px;
}

/* ===== 首屏 ===== */
.page-disclaimer .doc-hero {
  position: relative;
  padding-top: 34px;
  padding-bottom: 44px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .doc-hero::before {
  content: "";
  position: absolute;
  top: -180px;
  left: -8%;
  width: 70%;
  height: 460px;
  background: radial-gradient(58% 100% at 22% 40%, rgba(34, 224, 214, .13), transparent 70%);
  pointer-events: none;
}

.page-disclaimer .doc-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 42%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong));
  pointer-events: none;
}

.page-disclaimer .doc-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-disclaimer .doc-hero__grid {
  display: grid;
  gap: 28px;
  margin-top: 30px;
}

.page-disclaimer .doc-hero__text {
  max-width: 46em;
}

.page-disclaimer .doc-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(40px, 8vw, 92px);
  font-weight: 800;
  line-height: .94;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-disclaimer .doc-hero__lede {
  max-width: 34em;
  margin: 20px 0 0;
  padding-left: 18px;
  border-left: 2px solid var(--cyan);
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-disclaimer .doc-hero__figure {
  margin: 4px 0 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-mid);
  background: var(--layer);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.page-disclaimer .doc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  opacity: .92;
}

/* ===== 主体布局：左目录 + 右正文 ===== */
.page-disclaimer .doc-layout {
  display: grid;
  gap: 40px;
  padding-top: 48px;
  padding-bottom: 76px;
}

.page-disclaimer .doc-nav {
  position: relative;
  padding-left: 4px;
}

.page-disclaimer .doc-nav__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-disclaimer .doc-nav__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .doc-nav__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 0 11px 14px;
  border-left: 2px solid var(--line);
  font-size: 14px;
  line-height: 1.4;
  color: var(--mist);
  text-decoration: none;
  transition: color .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease);
}

.page-disclaimer .doc-nav__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--console);
  transition: color .22s var(--ease);
}

.page-disclaimer .doc-nav__link:hover,
.page-disclaimer .doc-nav__link:focus-visible {
  color: var(--cyan-soft);
  border-left-color: var(--cyan);
  background: linear-gradient(90deg, rgba(34, 224, 214, .09), transparent 78%);
}

.page-disclaimer .doc-nav__link:hover .doc-nav__num,
.page-disclaimer .doc-nav__link:focus-visible .doc-nav__num {
  color: var(--cyan);
}

.page-disclaimer .doc-nav__meta {
  margin: 18px 0 0;
  padding-left: 16px;
  font-size: 12px;
  color: var(--mist);
  opacity: .8;
}

.page-disclaimer .doc-nav__meta .mono {
  color: var(--orange);
}

/* ===== 正文章节 ===== */
.page-disclaimer .doc-body {
  min-width: 0;
}

.page-disclaimer .doc-section {
  padding-top: 6px;
  margin-bottom: 52px;
  scroll-margin-top: 96px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .doc-section:first-child {
  border-top: none;
}

.page-disclaimer .doc-section__num {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-disclaimer .doc-section__title {
  margin: 10px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-disclaimer .doc-section p {
  max-width: 34em;
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--paper);
}

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

.page-disclaimer .doc-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

.page-disclaimer .doc-link--mail {
  font-family: var(--font-mono);
  font-size: 15px;
}

.page-disclaimer .doc-note {
  margin-top: 22px;
  padding: 14px 18px;
  border-radius: var(--radius);
  background: var(--glass);
  border: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ===== 两栏对照 ===== */
.page-disclaimer .split {
  display: grid;
  gap: 18px;
  margin: 26px 0 8px;
}

.page-disclaimer .split__col {
  padding: 22px 22px 20px;
  border-radius: var(--radius-lg);
  background: var(--layer);
  border: 1px solid var(--line);
}

.page-disclaimer .split__col--allow {
  border-left: 3px solid var(--cyan);
}

.page-disclaimer .split__col--ask {
  border-left: 3px solid var(--orange);
}

.page-disclaimer .split__heading {
  margin: 0 0 14px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
}

.page-disclaimer .split__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .split__list li {
  position: relative;
  padding: 9px 0 9px 20px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--paper);
  border-top: 1px dashed var(--line);
}

.page-disclaimer .split__list li:first-child {
  border-top: none;
  padding-top: 4px;
}

.page-disclaimer .split__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 17px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-disclaimer .split__col--ask .split__list li::before {
  background: var(--orange);
}

.page-disclaimer .split__list li:first-child::before {
  top: 12px;
}

/* ===== 文末入口 ===== */
.page-disclaimer .doc-outro {
  display: grid;
  gap: 18px;
  margin-top: 8px;
}

.page-disclaimer .outro-card {
  display: block;
  padding: 26px 26px 24px;
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, var(--console), var(--layer) 68%);
  border: 1px solid var(--line-mid);
  text-decoration: none;
  transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-disclaimer .outro-card--ghost {
  background: var(--layer);
}

.page-disclaimer .outro-card:hover,
.page-disclaimer .outro-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}

.page-disclaimer .outro-card__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-disclaimer .outro-card__title {
  display: block;
  margin-top: 10px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--paper);
}

.page-disclaimer .outro-card__desc {
  display: block;
  margin-top: 10px;
  max-width: 30em;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ===== 响应式 ===== */
@media (min-width: 900px) {
  .page-disclaimer .doc-layout {
    grid-template-columns: var(--doc-rail-width) minmax(0, 1fr);
    gap: var(--doc-gap);
    padding-top: 64px;
  }

  .page-disclaimer .doc-nav {
    position: sticky;
    top: 92px;
    padding-left: 0;
    border-left: 1px solid var(--line);
  }

  .page-disclaimer .doc-hero__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
    margin-top: 34px;
  }

  .page-disclaimer .doc-section {
    margin-bottom: 64px;
  }

  .page-disclaimer .split {
    grid-template-columns: 1fr 1fr;
  }

  .page-disclaimer .doc-outro {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1200px) {
  .page-disclaimer .doc-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: end;
  }

  .page-disclaimer .doc-hero__figure {
    margin-top: 0;
  }
}

@media (max-width: 899px) {
  .page-disclaimer .doc-nav__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 14px;
  }

  .page-disclaimer .doc-nav__link {
    padding: 9px 0 9px 12px;
    font-size: 13px;
  }
}

@media (max-width: 560px) {
  .page-disclaimer .doc-nav__list {
    grid-template-columns: 1fr;
  }

  .page-disclaimer .doc-hero__lede {
    font-size: 15px;
    padding-left: 14px;
  }

  .page-disclaimer .doc-section p {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-nav__link,
  .page-disclaimer .outro-card,
  .page-disclaimer .doc-link {
    transition: none;
  }

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