.page-disclaimer {
  --disc-gap: clamp(28px, 4vw, 56px);
  --disc-sticky: 104px;
  background: var(--ink-900);
  color: var(--cream);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero {
  position: relative;
  padding: clamp(28px, 5vw, 60px) 0 clamp(26px, 4vw, 44px);
  border-bottom: 1px solid var(--line-soft);
  background-image: linear-gradient(to right, rgba(42, 61, 130, .22) 1px, transparent 1px);
  background-size: min(18vw, 148px) 100%;
  overflow: hidden;
}

.page-disclaimer .disc-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -70%;
  width: min(560px, 70vw);
  height: 300px;
  background: radial-gradient(closest-side, rgba(49, 225, 212, .16), transparent 72%);
  pointer-events: none;
}

.page-disclaimer .disc-hero .container {
  position: relative;
  z-index: 1;
}

.page-disclaimer .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: .05em;
  color: var(--muted);
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-disclaimer .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}

.page-disclaimer .breadcrumb a:hover {
  color: var(--cyan);
  border-bottom-color: rgba(49, 225, 212, .6);
}

.page-disclaimer .breadcrumb [aria-current="page"] {
  color: var(--cyan);
}

.page-disclaimer .disc-hero-title {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.012em;
  color: var(--cream);
  max-width: 20ch;
  margin: 10px 0 0;
}

.page-disclaimer .disc-hero-lead {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 42em;
  color: var(--muted);
  font-size: var(--fs-lead);
  line-height: 1.78;
}

.page-disclaimer .disc-hero-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(26px, 4vw, 42px) 0 0;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-disclaimer .disc-hero-meta > div {
  background: var(--ink-950);
  padding: 16px 18px;
}

.page-disclaimer .disc-hero-meta dt {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: .1em;
  color: var(--muted);
}

.page-disclaimer .disc-hero-meta dd {
  margin: 7px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 1.6vw, 19px);
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: .01em;
}

/* ---------- 首屏下方示意图 ---------- */
.page-disclaimer .disc-figure {
  margin: clamp(28px, 4.4vw, 52px) 0 0;
}

.page-disclaimer .disc-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--ink-800);
}

.page-disclaimer .disc-figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: .03em;
  color: var(--muted);
  line-height: 1.7;
}

/* ---------- 主体双栏 ---------- */
.page-disclaimer .disc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  padding-top: clamp(34px, 5vw, 64px);
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-disclaimer .disc-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.page-disclaimer .disc-rail::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .disc-rail .rail-step {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 9px 14px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: var(--ink-800);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: color .15s ease, border-color .15s ease, background-color .15s ease;
}

.page-disclaimer .disc-rail .rail-step:hover {
  color: var(--cream);
  border-color: var(--line);
}

.page-disclaimer .disc-rail .rail-step.is-active {
  color: var(--ink-950);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-disclaimer .disc-rail-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  opacity: .85;
}

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

/* ---------- 章节 ---------- */
.page-disclaimer .disc-section {
  padding: clamp(26px, 3.6vw, 44px) 0;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 108px;
}

.page-disclaimer .disc-section:first-child {
  border-top: 1px solid var(--line-soft);
  padding-top: clamp(22px, 3vw, 36px);
}

.page-disclaimer .disc-section:last-child {
  padding-bottom: 0;
}

.page-disclaimer .disc-section-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: clamp(14px, 2vw, 20px);
}

.page-disclaimer .disc-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  line-height: 1;
  padding: 5px 8px;
  border: 1px solid rgba(49, 225, 212, .42);
  border-radius: var(--radius);
  background: rgba(49, 225, 212, .09);
  color: var(--cyan);
}

.page-disclaimer .disc-section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.22;
  color: var(--cream);
}

.page-disclaimer .disc-section[data-step="2"] .disc-num {
  color: var(--amber);
  border-color: rgba(255, 201, 138, .45);
  background: rgba(255, 201, 138, .09);
}

.page-disclaimer .disc-section[data-step="3"] .disc-num {
  color: var(--orange);
  border-color: rgba(255, 139, 61, .45);
  background: rgba(255, 139, 61, .09);
}

.page-disclaimer .disc-section[data-step="4"] .disc-num {
  color: #E9A2BA;
  border-color: rgba(110, 31, 60, .95);
  background: rgba(110, 31, 60, .38);
}

.page-disclaimer .disc-section[data-step="5"] .disc-num {
  color: var(--muted);
  border-color: var(--line);
  background: rgba(42, 61, 130, .38);
}

.page-disclaimer .prose p {
  max-width: 40em;
  margin: 0 0 1.05em;
  color: var(--muted);
  font-size: var(--fs-body);
  line-height: 1.78;
}

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

.page-disclaimer .prose strong {
  color: var(--cream);
  font-weight: 600;
}

.page-disclaimer .prose a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(49, 225, 212, .45);
  transition: border-color .15s ease, color .15s ease;
}

.page-disclaimer .prose a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 版本时间轴 ---------- */
.page-disclaimer .disc-timeline {
  list-style: none;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  border-left: 1px solid var(--line);
}

.page-disclaimer .disc-timeline li {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  padding: 10px 0 10px 20px;
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .disc-timeline li:last-child {
  border-bottom: 0;
}

.page-disclaimer .disc-timeline li::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 18px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 1px solid var(--cyan);
}

.page-disclaimer .disc-time {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: .08em;
  color: var(--cyan);
  flex: 0 0 auto;
}

.page-disclaimer .disc-time-text {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

/* ---------- 下一步 ---------- */
.page-disclaimer .disc-next {
  border-top: 1px solid var(--line-soft);
  padding: clamp(38px, 5.6vw, 72px) 0 clamp(46px, 6.4vw, 84px);
  background: linear-gradient(180deg, rgba(60, 42, 120, .38), rgba(60, 42, 120, 0) 78%);
}

.page-disclaimer .disc-next-title {
  margin: 0 0 clamp(20px, 3vw, 32px);
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.24;
  color: var(--cream);
}

.page-disclaimer .disc-next-grid {
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-disclaimer .disc-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--panel);
  border: 0;
  border-radius: 0;
  text-decoration: none;
  color: inherit;
  transition: background-color .15s ease;
}

.page-disclaimer .disc-card:hover {
  background: #1C2D6E;
}

.page-disclaimer .disc-card .tag {
  align-self: flex-start;
}

.page-disclaimer .disc-card-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.34;
  color: var(--cream);
}

.page-disclaimer .disc-card-text {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.74;
}

.page-disclaimer .disc-go {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: .05em;
  color: var(--cyan);
}

.page-disclaimer .disc-card:hover .disc-go {
  color: var(--amber);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-disclaimer .disc-hero-meta {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 920px) {
  .page-disclaimer .disc-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 4.4vw, 60px);
  }

  .page-disclaimer .disc-rail {
    position: sticky;
    top: var(--disc-sticky);
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-disclaimer .disc-rail .rail-step {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    margin-left: -1px;
    padding: 13px 14px;
    white-space: normal;
    font-size: 15px;
    line-height: 1.5;
    align-items: flex-start;
  }

  .page-disclaimer .disc-rail .rail-step:hover {
    color: var(--cream);
    background: rgba(23, 37, 95, .55);
  }

  .page-disclaimer .disc-rail .rail-step.is-active {
    background: transparent;
    color: var(--cyan);
    border-left-color: var(--cyan);
  }

  .page-disclaimer .disc-figure img {
    max-height: 460px;
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .disc-next-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-card,
  .page-disclaimer .disc-rail .rail-step,
  .page-disclaimer .prose a {
    transition: none;
  }
}
<<<END>>>