.page-disclaimer {
  --pdl-gap: clamp(20px, 3vw, 40px);
  --pdl-line-dark: rgba(14, 42, 34, .16);
  --pdl-text-dark: #1C3A31;
  --pdl-text-dark-soft: #46695C;
  background: var(--ink);
  color: var(--mist);
  font-family: var(--font-body);
  line-height: 1.75;
}

.page-disclaimer .container {
  box-sizing: border-box;
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .breadcrumbs {
  padding-block: 18px 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--steel);
}

.page-disclaimer .breadcrumbs a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

.page-disclaimer .breadcrumbs span[aria-current="page"] {
  color: var(--lime);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  margin-top: 16px;
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: linear-gradient(142deg, var(--ink-2) 0%, var(--ink) 72%);
  padding-block: clamp(34px, 6vw, 76px) clamp(30px, 5vw, 64px);
}

.page-disclaimer .usage-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-disclaimer .usage-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  filter: saturate(.72) contrast(1.06);
}

.page-disclaimer .usage-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(11, 18, 16, .58) 0%, rgba(11, 18, 16, .93) 82%),
    repeating-linear-gradient(90deg, transparent 0 78px, rgba(42, 71, 64, .5) 78px 79px);
  pointer-events: none;
}

.page-disclaimer .usage-hero-inner {
  position: relative;
  z-index: 2;
}

.page-disclaimer .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-disclaimer .usage-hero h1 {
  margin: 14px 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-size: clamp(34px, 6.2vw, 72px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-disclaimer .usage-hero h1 em {
  font-style: normal;
  color: var(--lime);
}

.page-disclaimer .usage-lede {
  max-width: 60ch;
  margin: 20px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: #C6D9D0;
}

/* ---------- 研究板摘要卡 ---------- */
.page-disclaimer .summary-cards {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-disclaimer .summary-card {
  position: relative;
  padding: 18px 20px 18px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(18, 61, 49, .58);
}

.page-disclaimer .summary-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: var(--pill);
  background: var(--lime);
}

.page-disclaimer .summary-card:nth-child(2)::before {
  background: var(--orange);
}

.page-disclaimer .summary-card:nth-child(3)::before {
  background: var(--steel);
}

.page-disclaimer .summary-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-disclaimer .summary-title {
  margin: 6px 0 5px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--mist);
}

.page-disclaimer .summary-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--steel);
}

/* ---------- 主体双栏 ---------- */
.page-disclaimer .usage-body {
  display: grid;
  gap: var(--pdl-gap);
  margin-block: clamp(26px, 4.5vw, 52px) clamp(44px, 7vw, 88px);
}

.page-disclaimer .clauses {
  min-width: 0;
  padding: clamp(22px, 3.4vw, 46px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--pdl-text-dark);
  box-shadow: 0 26px 60px -34px rgba(0, 0, 0, .75);
}

.page-disclaimer .clause {
  padding-block: clamp(20px, 2.8vw, 32px);
  min-width: 0;
}

.page-disclaimer .clause:first-child {
  padding-top: 0;
}

.page-disclaimer .clause + .clause {
  border-top: 1px solid var(--pdl-line-dark);
}

.page-disclaimer .clause-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-disclaimer .clause-num {
  flex: none;
  padding: 3px 11px;
  border: 1px solid rgba(14, 42, 34, .24);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--pdl-text-dark-soft);
  background: rgba(182, 255, 59, .16);
}

.page-disclaimer .clause h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.6vw, 29px);
  font-weight: 800;
  letter-spacing: .01em;
  line-height: 1.2;
  color: var(--ink-2);
}

.page-disclaimer .clause-list {
  margin: 0;
  padding-left: 1.15em;
  display: grid;
  gap: 10px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pdl-text-dark);
}

.page-disclaimer .clause-list li {
  padding-left: 2px;
}

.page-disclaimer .clause-list li::marker {
  color: #7A9A8C;
  font-family: var(--font-mono);
}

.page-disclaimer .hl {
  background: linear-gradient(transparent 62%, rgba(182, 255, 59, .75) 62%);
  padding-inline: 1px;
  font-weight: 600;
  color: var(--ink-2);
}

.page-disclaimer .back-top {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 22px;
  padding: 8px 16px;
  border: 1px solid rgba(14, 42, 34, .26);
  border-radius: var(--pill);
  background: transparent;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--pdl-text-dark-soft);
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .back-top:hover,
.page-disclaimer .back-top:focus-visible {
  background: var(--ink-2);
  border-color: var(--ink-2);
  color: var(--lime);
}

/* ---------- 右侧窄栏 ---------- */
.page-disclaimer .usage-aside {
  display: grid;
  gap: 14px;
  min-width: 0;
  align-content: start;
}

.page-disclaimer .aside-panel {
  padding: 18px 18px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-disclaimer .aside-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-disclaimer .aside-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-disclaimer .aside-nav a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-disclaimer .aside-nav a:hover,
.page-disclaimer .aside-nav a:focus-visible {
  background: rgba(182, 255, 59, .14);
  color: var(--lime);
}

.page-disclaimer .aside-nav .idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-disclaimer .term {
  border-top: 1px solid var(--line);
}

.page-disclaimer .term:first-of-type {
  border-top: 0;
}

.page-disclaimer .term summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--mist);
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .term summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--lime);
}

.page-disclaimer .term[open] summary::after {
  content: "−";
}

.page-disclaimer .term p {
  margin: 0 0 12px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--steel);
}

.page-disclaimer .read-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.page-disclaimer .read-link:first-of-type {
  border-top: 0;
  padding-top: 2px;
}

.page-disclaimer .read-link span:last-child {
  font-family: var(--font-mono);
  color: var(--lime);
}

.page-disclaimer .read-link:hover,
.page-disclaimer .read-link:focus-visible {
  color: var(--lime);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-disclaimer .summary-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-disclaimer .usage-body {
    grid-template-columns: minmax(0, 1fr) 306px;
    gap: clamp(24px, 3vw, 44px);
    align-items: start;
  }

  .page-disclaimer .usage-aside {
    position: sticky;
    top: 84px;
  }
}

@media (max-width: 520px) {
  .page-disclaimer .usage-hero h1 {
    max-width: none;
  }

  .page-disclaimer .clause-list {
    padding-left: 1em;
    font-size: 14.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .summary-card,
  .page-disclaimer .back-top,
  .page-disclaimer .aside-nav a,
  .page-disclaimer .read-link,
  .page-disclaimer .breadcrumbs a {
    transition: none;
  }
}
<<<END>>>