.page-disclaimer {
  --usage-index-w: 88px;
  --usage-mint-soft: rgba(46, 196, 182, 0.12);
  --usage-red-soft: rgba(215, 38, 61, 0.10);
  --usage-gold-soft: rgba(244, 162, 89, 0.16);
  padding-bottom: 96px;
}

/* 顶部状态提示条 */
.page-disclaimer .usage-bar {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 20px 0 36px;
  padding: 14px 18px;
  background: var(--ink);
  color: var(--paper);
  border-left: 4px solid var(--red);
}

.page-disclaimer .usage-bar p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
}

.page-disclaimer .usage-bar__dot {
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(46, 196, 182, 0.22);
}

/* 页头区 */
.page-disclaimer .usage-hero {
  padding-bottom: 8px;
}

.page-disclaimer .usage-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

.page-disclaimer .usage-hero__text .eyebrow {
  margin: 0 0 12px;
}

.page-disclaimer .usage-hero__text h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.page-disclaimer .usage-hero__text .page-lead {
  margin: 0 0 26px;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-disclaimer .usage-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.page-disclaimer .usage-hero__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-disclaimer .usage-hero__fact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .usage-hero__fact dt {
  flex: none;
  width: 76px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold-text);
}

.page-disclaimer .usage-hero__fact dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text);
}

.page-disclaimer .usage-hero__figure {
  margin: 0;
  position: relative;
  border: 1px solid var(--line);
  background: var(--surface);
}

.page-disclaimer .usage-hero__figure::before,
.page-disclaimer .usage-hero__figure::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid var(--red);
  pointer-events: none;
}

.page-disclaimer .usage-hero__figure::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-disclaimer .usage-hero__figure::after {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
  border-color: var(--mint);
}

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

/* 速览网格 */
.page-disclaimer .usage-scan {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 3px solid var(--red);
}

.page-disclaimer .usage-scan__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 22px;
  margin-bottom: 22px;
}

.page-disclaimer .usage-scan__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 2.6vw, 30px);
  line-height: 1.3;
}

.page-disclaimer .usage-scan__head p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.page-disclaimer .usage-scan__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-disclaimer .usage-scan__grid > li {
  display: flex;
}

.page-disclaimer .usage-chip {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1 1 auto;
  padding: 16px 16px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--red);
  color: var(--text);
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.page-disclaimer .usage-chip:hover,
.page-disclaimer .usage-chip:focus-visible {
  transform: translateY(-2px);
  border-color: var(--gold);
  box-shadow: 0 6px 0 -4px rgba(215, 38, 61, 0.35);
}

.page-disclaimer .usage-chip__num {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--red);
}

.page-disclaimer .usage-chip__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.35;
}

.page-disclaimer .usage-chip__desc {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
}

.page-disclaimer .usage-chip--red {
  background: var(--usage-red-soft);
  border-color: rgba(215, 38, 61, 0.34);
  border-left-color: var(--red);
}

.page-disclaimer .usage-chip--gold {
  background: var(--usage-gold-soft);
  border-color: rgba(244, 162, 89, 0.42);
  border-left-color: var(--gold);
}

.page-disclaimer .usage-chip--gold .usage-chip__num {
  color: var(--gold-text);
}

.page-disclaimer .usage-chip--mint {
  background: var(--usage-mint-soft);
  border-color: rgba(46, 196, 182, 0.38);
  border-left-color: var(--mint);
}

.page-disclaimer .usage-chip--mint .usage-chip__num {
  color: var(--graphite);
}

/* 条款正文 */
.page-disclaimer .usage-body {
  margin-top: 72px;
}

.page-disclaimer .usage-clause {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 32px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--bar-h) + 28px);
}

.page-disclaimer .usage-clause__index {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--red);
}

.page-disclaimer .usage-clause__content h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 26px);
  line-height: 1.4;
}

.page-disclaimer .usage-clause__content p {
  margin: 0 0 14px;
  max-width: 74ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
}

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

.page-disclaimer .usage-clause__content a {
  color: var(--red);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.page-disclaimer .usage-list li {
  position: relative;
  padding-left: 22px;
  max-width: 74ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.page-disclaimer .usage-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 8px;
  height: 8px;
  background: var(--red);
}

.page-disclaimer .usage-clause:nth-child(even) .usage-list li::before {
  background: var(--gold);
}

.page-disclaimer .usage-note {
  margin: 0;
  max-width: 74ch;
  padding: 13px 16px;
  border-left: 3px solid var(--mint);
  background: var(--usage-mint-soft);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text);
}

.page-disclaimer .usage-note .mono {
  font-size: 13.5px;
  word-break: break-all;
}

.page-disclaimer .usage-note .copy-btn {
  margin-left: 10px;
  vertical-align: middle;
}

/* 收尾入口 */
.page-disclaimer .usage-end {
  margin-top: 80px;
  padding-top: 28px;
  border-top: 3px solid var(--ink);
}

.page-disclaimer .usage-end__head h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.35;
}

.page-disclaimer .usage-end__head p {
  margin: 0 0 24px;
  font-size: 14.5px;
  color: var(--muted);
}

.page-disclaimer .usage-end__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-disclaimer .usage-end__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--red);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.page-disclaimer .usage-end__item:hover,
.page-disclaimer .usage-end__item:focus-visible {
  transform: translateY(-2px);
  border-color: var(--ink);
}

.page-disclaimer .usage-end__item--gold {
  border-top-color: var(--gold);
}

.page-disclaimer .usage-end__item--mint {
  border-top-color: var(--mint);
}

.page-disclaimer .usage-end__label {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--graphite);
}

.page-disclaimer .usage-end__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
}

.page-disclaimer .usage-end__desc {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
}

.page-disclaimer .usage-end__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* 响应式 */
@media (min-width: 640px) {
  .page-disclaimer .usage-scan__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .usage-end__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .usage-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .usage-hero__fact {
    display: block;
    border-bottom: 0;
    border-right: 1px solid var(--line);
    padding: 14px 16px 4px 0;
  }

  .page-disclaimer .usage-hero__fact:last-child {
    border-right: 0;
  }

  .page-disclaimer .usage-hero__fact dt {
    width: auto;
    margin-bottom: 6px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .usage-hero__inner {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 1fr);
    gap: 48px;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .usage-scan__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .usage-end__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-disclaimer .usage-clause {
    grid-template-columns: var(--usage-index-w) minmax(0, 1fr);
    gap: 0 32px;
    padding: 44px 0;
  }

  .page-disclaimer .usage-clause__index {
    padding-right: 24px;
    border-right: 1px solid var(--line);
    font-size: 28px;
  }

  .page-disclaimer .usage-clause__content {
    padding-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .usage-chip,
  .page-disclaimer .usage-end__item {
    transition: none;
  }

  .page-disclaimer .usage-chip:hover,
  .page-disclaimer .usage-chip:focus-visible,
  .page-disclaimer .usage-end__item:hover,
  .page-disclaimer .usage-end__item:focus-visible {
    transform: none;
  }
}
</PAGE_CSS>