.page-disclaimer {
  --rule-gap: 18px;
  --aside-top: 36px;
  display: block;
  padding-bottom: 64px;
}

/* ---------- 首屏 ---------- */

.page-disclaimer .guide-intro {
  position: relative;
  overflow: hidden;
  padding: 78px 0 42px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(53, 225, 214, 0.09), transparent 62%),
    radial-gradient(80% 70% at 4% 96%, rgba(123, 77, 255, 0.12), transparent 70%),
    var(--ink);
}

.page-disclaimer .guide-intro::before {
  content: "";
  position: absolute;
  top: -110px;
  right: -90px;
  width: 340px;
  height: 300px;
  background: linear-gradient(122deg, rgba(53, 225, 214, 0.2), rgba(123, 77, 255, 0.16) 58%, transparent 80%);
  transform: skewY(-9deg) rotate(-5deg);
  pointer-events: none;
}

.page-disclaimer .guide-intro::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 34%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.45;
}

.page-disclaimer .guide-wrap {
  position: relative;
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px;
}

.page-disclaimer .guide-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-disclaimer .guide-crumb a {
  color: var(--cyan);
  text-decoration: none;
  padding-bottom: 1px;
  border-bottom: 1px solid rgba(53, 225, 214, 0.32);
}

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

.page-disclaimer .guide-intro h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8.4vw, 62px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-disclaimer .guide-intro__lead {
  max-width: 60ch;
  margin: 20px 0 0;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-disclaimer .guide-intro__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .guide-intro__chips li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(27, 36, 49, 0.6);
  font-size: 13px;
  color: var(--muted);
}

.page-disclaimer .guide-intro__chips .mono {
  font-size: 15px;
  color: var(--cyan);
}

/* ---------- 主体 ---------- */

.page-disclaimer .guide-body {
  padding-top: 40px;
}

.page-disclaimer .guide-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--rule-gap);
  align-items: start;
}

.page-disclaimer .rule {
  position: relative;
  padding: 24px 20px 24px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--line);
  border-radius: var(--radius);
  transition: border-left-color 0.3s ease, background 0.3s ease;
}

.page-disclaimer .rule + .rule {
  margin-top: var(--rule-gap);
}

.page-disclaimer .rule:hover {
  border-left-color: var(--cyan);
  background: var(--glass);
}

.page-disclaimer .rule__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-disclaimer .rule:nth-of-type(even) .rule__no {
  color: var(--violet);
}

.page-disclaimer .rule__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 4.8vw, 26px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-disclaimer .rule__text {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text);
}

.page-disclaimer .rule__list {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .rule__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-disclaimer .rule__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 1px;
  background: var(--lime);
  opacity: 0.85;
}

.page-disclaimer .rule a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 225, 214, 0.3);
}

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

/* ---------- 侧栏示例 ---------- */

.page-disclaimer .guide-aside {
  margin-top: 4px;
}

.page-disclaimer .guide-aside__inner {
  padding: 20px 18px 22px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--violet);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(27, 36, 49, 0.92), rgba(16, 22, 31, 0.97));
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.42);
}

.page-disclaimer .guide-aside__cap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.page-disclaimer .guide-aside__cap .mono {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-disclaimer .guide-fig {
  margin: 0;
}

.page-disclaimer .guide-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  filter: saturate(0.92) contrast(1.06) brightness(0.96);
}

.page-disclaimer .guide-fig__cap {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.68;
  color: var(--muted);
}

.page-disclaimer .guide-cite {
  margin-top: 20px;
  padding: 14px 15px;
  border: 1px dashed var(--line);
  border-left: 2px solid var(--violet);
  border-radius: var(--radius);
  background: rgba(123, 77, 255, 0.07);
}

.page-disclaimer .guide-cite__head {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-disclaimer .guide-cite p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.95;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-disclaimer .guide-aside__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 页尾横线 ---------- */

.page-disclaimer .guide-endnote {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  align-items: baseline;
  justify-content: space-between;
  margin-top: 46px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-disclaimer .guide-intro {
    padding: 96px 0 52px;
  }

  .page-disclaimer .guide-wrap {
    padding: 0 34px;
  }

  .page-disclaimer .rule {
    padding: 28px 30px 28px 32px;
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .guide-grid {
    grid-template-columns: minmax(0, 1.58fr) minmax(268px, 1fr);
    gap: 48px;
  }

  .page-disclaimer .guide-aside {
    position: sticky;
    top: var(--aside-top);
    margin-top: 0;
  }

  .page-disclaimer .guide-intro::before {
    width: 480px;
    height: 380px;
  }

  .page-disclaimer .rule__text {
    max-width: 66ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .rule {
    transition: none;
  }
}
<<<END>>>