.page-disclaimer {
  --cl-num-w: 84px;
  --cl-soft: rgba(167, 193, 182, .14);
  --cl-paper-ink: #061C16;
}

.page-disclaimer .breadcrumbs {
  padding-top: 1.25rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--mist);
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  align-items: center;
}

.page-disclaimer .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

.page-disclaimer .kicker {
  font-family: var(--font-serif);
  font-size: .92rem;
  letter-spacing: .06em;
  color: var(--cyan);
  margin: 0 0 1rem;
}

/* 首屏 */
.page-disclaimer .usage-hero {
  padding: 1.5rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .usage-hero__grid {
  display: grid;
  gap: 1.75rem;
}

.page-disclaimer .usage-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 7vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--paper);
  text-wrap: balance;
}

.page-disclaimer .usage-hero__lead p {
  margin: 1.25rem 0 0;
  max-width: 62ch;
  color: var(--paper-70);
  font-size: 1rem;
  line-height: 1.85;
}

.page-disclaimer .usage-hero__keys {
  list-style: none;
  margin: 0;
  padding: 1.25rem 1.15rem;
  display: grid;
  gap: .9rem;
  background: var(--ink-soft);
  border-radius: var(--radius-b);
  border: 1px solid var(--line);
}

.page-disclaimer .usage-hero__keys li {
  font-size: .9rem;
  line-height: 1.7;
  color: var(--paper-70);
  padding-left: .9rem;
  border-left: 2px solid var(--orange);
}

.page-disclaimer .usage-hero__k {
  display: block;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--orange);
  margin-bottom: .2rem;
}

/* 18 点状态条 */
.page-disclaimer .usage-clock {
  margin-top: 2rem;
  padding: 1.1rem 1.15rem 1.25rem;
  background: linear-gradient(180deg, var(--navy), rgba(18, 59, 74, .55));
  border-radius: var(--radius-a);
  border: 1px solid var(--line);
}

.page-disclaimer .usage-clock__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .55rem .8rem;
}

.page-disclaimer .usage-clock__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px var(--cyan-a16);
  align-self: center;
}

.page-disclaimer .usage-clock__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--paper);
}

.page-disclaimer .usage-clock__meta {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .05em;
  color: var(--gold);
}

.page-disclaimer .usage-timeline {
  display: block;
  width: 100%;
  height: auto;
  margin: .9rem 0 .25rem;
}

.page-disclaimer .usage-clock__more {
  margin-top: .5rem;
  border-top: 1px solid var(--line);
  padding-top: .6rem;
}

.page-disclaimer .usage-clock__more summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--cyan);
  list-style: none;
}

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

.page-disclaimer .usage-clock__more summary::before {
  content: "+ ";
  color: var(--orange);
}

.page-disclaimer .usage-clock__more[open] summary::before {
  content: "− ";
}

.page-disclaimer .usage-clock__more p {
  margin: .6rem 0 0;
  max-width: 62ch;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--paper-70);
}

/* 章节索引 */
.page-disclaimer .usage-index {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0 0 .85rem;
  display: flex;
  gap: .5rem;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .usage-index li {
  flex: 0 0 auto;
}

.page-disclaimer .usage-index a {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .45rem .8rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--paper-70);
  font-size: .82rem;
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-disclaimer .usage-index a:hover,
.page-disclaimer .usage-index a:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-disclaimer .usage-index__num {
  font-family: var(--font-mono);
  font-size: .74rem;
  opacity: .8;
}

/* 编号跑道条款 */
.page-disclaimer .clause {
  display: grid;
  gap: .75rem;
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 5rem;
}

.page-disclaimer .clause__rail {
  display: flex;
  align-items: baseline;
  gap: .75rem;
}

.page-disclaimer .clause__num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--cyan);
  letter-spacing: -.02em;
}

.page-disclaimer .clause__tag {
  font-family: var(--font-serif);
  font-size: .78rem;
  letter-spacing: .22em;
  color: var(--mist);
  border-left: 1px solid var(--line-strong);
  padding-left: .6rem;
}

.page-disclaimer .clause__title {
  margin: 0 0 .9rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.25rem, 4.4vw, 1.7rem);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-disclaimer .clause__body p {
  margin: 0 0 1rem;
  max-width: 64ch;
  font-size: .96rem;
  line-height: 1.88;
  color: var(--paper-70);
}

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

.page-disclaimer .clause__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-a16);
}

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

.page-disclaimer .clause__note {
  margin: 1.25rem 0 0;
  padding: .85rem 1rem;
  background: var(--cyan-a10);
  border-left: 3px solid var(--orange);
  border-radius: 0 14px 14px 0;
  font-size: .86rem;
  line-height: 1.8;
  color: var(--paper-70);
  max-width: 62ch;
}

.page-disclaimer .clause__note-k {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--orange);
  margin-right: .5rem;
}

/* 图片 */
.page-disclaimer .usage-visual {
  margin: 1.4rem 0 0;
  position: relative;
}

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

.page-disclaimer .usage-visual__cap {
  margin-top: .6rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .03em;
  color: var(--mist);
}

/* 联系区块：暖白反白 */
.page-disclaimer .clause--contact {
  margin-top: 2rem;
  padding: 1.6rem 1.25rem;
  background: var(--paper);
  border: none;
  border-radius: var(--radius-a);
  color: var(--cl-paper-ink);
}

.page-disclaimer .clause--contact .clause__num {
  -webkit-text-stroke: 1px var(--ink-soft);
}

.page-disclaimer .clause--contact .clause__tag {
  color: var(--ink-soft);
  border-left-color: rgba(11, 42, 34, .3);
}

.page-disclaimer .clause--contact .clause__title {
  color: var(--ink);
}

.page-disclaimer .clause--contact .clause__body p {
  color: rgba(6, 28, 22, .78);
}

.page-disclaimer .clause--contact .clause__body a {
  color: #0B6B5A;
  border-bottom-color: rgba(11, 107, 90, .35);
}

.page-disclaimer .clause--contact .clause__body a:hover,
.page-disclaimer .clause--contact .clause__body a:focus-visible {
  border-bottom-color: #0B6B5A;
}

.page-disclaimer .usage-contact {
  margin: 1.25rem 0 0;
  display: grid;
  gap: .8rem;
  border-top: 1px solid rgba(6, 28, 22, .18);
  padding-top: 1rem;
}

.page-disclaimer .usage-contact__row {
  display: grid;
  gap: .15rem;
}

.page-disclaimer .usage-contact dt {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: rgba(6, 28, 22, .55);
}

.page-disclaimer .usage-contact dd {
  margin: 0;
  font-size: .96rem;
  line-height: 1.7;
  color: var(--cl-paper-ink);
  word-break: break-word;
}

.page-disclaimer .usage-contact__note {
  margin-top: 1rem;
  font-size: .88rem !important;
  line-height: 1.8;
  padding-left: .9rem;
  border-left: 3px solid var(--orange);
}

/* 相关链接 */
.page-disclaimer .usage-related {
  margin: 2.5rem 0 0;
  padding: 1.5rem 0 3rem;
}

.page-disclaimer .usage-related__title {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--paper);
}

.page-disclaimer .usage-related__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-disclaimer .usage-related__list a {
  display: block;
  padding: .75rem .9rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--paper-70);
  font-size: .9rem;
  text-decoration: none;
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}

.page-disclaimer .usage-related__list a:hover,
.page-disclaimer .usage-related__list a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: var(--cyan-a10);
}

.page-disclaimer .usage-related__print {
  margin: 1.1rem 0 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .03em;
  color: var(--mist);
}

/* 中等屏幕 */
@media (min-width: 720px) {
  .page-disclaimer .usage-hero__keys {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-disclaimer .usage-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }

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

/* 桌面：编号跑道 */
@media (min-width: 900px) {
  .page-disclaimer .usage-hero {
    padding: 2rem 0 3rem;
  }

  .page-disclaimer .usage-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    gap: 2.5rem;
    align-items: end;
  }

  .page-disclaimer .usage-clock {
    margin-top: 2.5rem;
    padding: 1.4rem 1.6rem 1.5rem;
  }

  .page-disclaimer .usage-index {
    margin-top: 2rem;
    flex-wrap: wrap;
    overflow: visible;
  }

  .page-disclaimer .clause {
    grid-template-columns: var(--cl-num-w) minmax(0, 1fr);
    gap: 2.5rem;
    padding: 3rem 0;
  }

  .page-disclaimer .clause__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: .5rem;
    padding-top: .2rem;
  }

  .page-disclaimer .clause__num {
    font-size: 2.6rem;
  }

  .page-disclaimer .clause__tag {
    border-left: none;
    padding-left: 0;
    letter-spacing: .18em;
  }

  .page-disclaimer .clause--contact {
    margin-top: 3rem;
    padding: 2.25rem 2rem;
  }

  .page-disclaimer .usage-related {
    padding: 3rem 0 4rem;
  }
}

/* 打印 */
@media print {
  .page-disclaimer .usage-index,
  .page-disclaimer .usage-clock,
  .page-disclaimer .usage-related__print,
  .page-disclaimer .breadcrumbs,
  .page-disclaimer .kicker {
    display: none;
  }

  .page-disclaimer .clause,
  .page-disclaimer .clause--contact {
    background: none;
    border-bottom: 1px solid #ccc;
    break-inside: avoid;
    padding: 1rem 0;
  }

  .page-disclaimer .clause__title,
  .page-disclaimer .clause__body p,
  .page-disclaimer .clause__note,
  .page-disclaimer .usage-contact dd {
    color: #111;
  }

  .page-disclaimer .clause__num {
    -webkit-text-stroke: 1px #444;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .usage-index a,
  .page-disclaimer .usage-related__list a {
    transition: none;
  }
}
<<<END>>>