.page-disclaimer {
  --usage-pad: clamp(16px, 4vw, 28px);
  font-family: var(--sans);
  color: var(--fog);
  padding-bottom: 52px;
}

/* 面包屑 */
.page-disclaimer .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 18px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cold);
}
.page-disclaimer .crumbs a {
  color: var(--cold);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-disclaimer .crumbs a:hover,
.page-disclaimer .crumbs a:focus-visible {
  color: var(--mint);
}
.page-disclaimer .crumbs__sep {
  color: var(--edge-strong);
}
.page-disclaimer .crumbs [aria-current="page"] {
  color: var(--orange);
}

/* 首屏 */
.page-disclaimer .usage-hero {
  padding: 22px 0 4px;
}
.page-disclaimer .usage-hero__grid {
  display: grid;
  gap: 20px;
}
.page-disclaimer .usage-hero__eyebrow {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mint);
}
.page-disclaimer .usage-hero__title {
  margin: 0;
  max-width: 17ch;
  font-size: clamp(30px, 6.2vw, 56px);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: -.015em;
  color: var(--fog);
  transform: skewX(-3deg);
  transform-origin: left bottom;
}
.page-disclaimer .usage-hero__title .hl {
  font-style: normal;
  color: var(--orange);
  text-decoration: underline;
  text-decoration-thickness: 5px;
  text-underline-offset: 7px;
}
.page-disclaimer .usage-lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 245, 241, .86);
}
.page-disclaimer .usage-hero__panel {
  border: 2px solid var(--rail);
  background: var(--coal);
  box-shadow: var(--shadow-hard);
  padding: 6px 16px;
}
.page-disclaimer .hero-fact {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--edge);
  font-size: 13px;
}
.page-disclaimer .hero-fact:last-child {
  border-bottom: 0;
}
.page-disclaimer .hero-fact__k {
  color: var(--cold);
}
.page-disclaimer .hero-fact__v {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .03em;
  color: var(--fog);
  text-align: right;
}
.page-disclaimer .hero-fact__v--mint {
  color: var(--mint);
}

/* 双栏错位版式 */
.page-disclaimer .usage-layout {
  display: grid;
  gap: 18px;
  margin-top: 32px;
}
.page-disclaimer .usage-layout > .usage-main {
  order: 2;
  min-width: 0;
}
.page-disclaimer .usage-layout > .usage-brief {
  order: 1;
}
.page-disclaimer .usage-h2 {
  margin: 0 0 16px;
  padding-left: 13px;
  border-left: 5px solid var(--orange);
  font-size: clamp(21px, 3.4vw, 30px);
  font-weight: 900;
  line-height: 1.24;
  color: var(--fog);
}

/* 条款 */
.page-disclaimer .clause {
  background: var(--surface-2);
  border: 1px solid var(--edge);
  scroll-margin-top: 96px;
}
.page-disclaimer .clause + .clause {
  margin-top: 12px;
}
.page-disclaimer .clause[open] {
  border-color: var(--edge-strong);
}
.page-disclaimer .clause__summary {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 26px;
  align-items: center;
  gap: 10px;
  padding: 14px;
  cursor: pointer;
  list-style: none;
}
.page-disclaimer .clause__summary::-webkit-details-marker {
  display: none;
}
.page-disclaimer .clause__summary::after {
  content: "＋";
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1;
  color: var(--cold);
  text-align: center;
}
.page-disclaimer .clause[open] .clause__summary::after {
  content: "−";
  color: var(--orange);
}
.page-disclaimer .clause__summary:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}
.page-disclaimer .clause__num {
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--orange);
}
.page-disclaimer .clause__title {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--fog);
}
.page-disclaimer .clause__body {
  padding: 0 14px 16px;
}
.page-disclaimer .clause__body ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.page-disclaimer .clause__body li {
  position: relative;
  padding-left: 16px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(242, 245, 241, .9);
}
.page-disclaimer .clause__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 6px;
  height: 6px;
  background: var(--mint);
}
.page-disclaimer .clause__body a {
  color: var(--orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-disclaimer .clause__body a:hover,
.page-disclaimer .clause__body a:focus-visible {
  color: var(--mint);
  outline: none;
}
.page-disclaimer .mark {
  font-family: var(--mono);
  font-size: .93em;
  letter-spacing: .03em;
  padding: 1px 5px;
  background: var(--amber);
  color: var(--coal);
  white-space: nowrap;
}

/* 一句话要点栏 */
.page-disclaimer .usage-brief {
  background: var(--amber);
  color: var(--coal);
  border: 2px solid var(--rail);
  box-shadow: var(--shadow-hard);
  padding: 16px;
}
.page-disclaimer .brief__label {
  margin: 0;
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(18, 16, 15, .72);
}
.page-disclaimer .brief__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}
.page-disclaimer .brief__item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 11px 0;
  border-top: 1px solid rgba(18, 16, 15, .24);
  color: var(--coal);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.62;
  letter-spacing: .01em;
}
.page-disclaimer .brief__item:hover .brief__txt,
.page-disclaimer .brief__item:focus-visible .brief__txt {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-disclaimer .brief__item:focus-visible {
  outline: 2px solid var(--rail);
  outline-offset: 2px;
}
.page-disclaimer .brief__idx {
  font-weight: 700;
  color: var(--brick);
}
.page-disclaimer .brief__note {
  margin: 14px 0 0;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: rgba(18, 16, 15, .76);
}

/* 联系收束块 */
.page-disclaimer .usage-callout {
  margin-top: 34px;
  padding: 20px 18px;
  background: var(--coal);
  border: 2px solid var(--edge-strong);
}
.page-disclaimer .usage-callout__title {
  margin: 0 0 10px;
  font-size: clamp(19px, 3vw, 24px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--fog);
}
.page-disclaimer .usage-callout__text {
  margin: 0 0 18px;
  max-width: 42em;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 245, 241, .84);
}
.page-disclaimer .usage-callout__facts {
  display: grid;
  gap: 14px;
}
.page-disclaimer .callout-fact {
  padding-left: 11px;
  border-left: 3px solid var(--mint);
  min-width: 0;
}
.page-disclaimer .callout-fact__k {
  display: block;
  margin-bottom: 5px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cold);
}
.page-disclaimer .callout-fact__v {
  display: block;
  font-size: 14px;
  line-height: 1.5;
  color: var(--fog);
  word-break: break-word;
}
.page-disclaimer .usage-callout__link {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--cold);
}
.page-disclaimer .usage-callout__link a {
  color: var(--orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-disclaimer .usage-callout__link a:hover,
.page-disclaimer .usage-callout__link a:focus-visible {
  color: var(--mint);
  outline: none;
}

/* 收尾氛围图 */
.page-disclaimer .usage-photo {
  margin: 34px 0 0;
  background: var(--rail);
  border: 2px solid var(--rail);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}
.page-disclaimer .usage-photo img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-disclaimer .usage-photo__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--edge);
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: .03em;
  color: var(--cold);
}

/* 响应式 */
@media (min-width: 560px) {
  .page-disclaimer .usage-callout__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-disclaimer .usage-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .92fr);
    align-items: end;
    gap: 28px;
  }
  .page-disclaimer .usage-lead {
    font-size: 16px;
  }
  .page-disclaimer .clause__summary {
    grid-template-columns: 58px minmax(0, 1fr) 26px;
    padding: 16px 18px;
  }
  .page-disclaimer .clause__num {
    font-size: 32px;
  }
  .page-disclaimer .clause__title {
    font-size: 19px;
  }
  .page-disclaimer .clause__body {
    padding: 0 18px 20px;
  }
  .page-disclaimer .usage-callout {
    padding: 26px 24px;
  }
}

@media (min-width: 920px) {
  .page-disclaimer .usage-layout {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, .96fr);
    gap: 26px;
    align-items: start;
    margin-top: 38px;
  }
  .page-disclaimer .usage-layout > .usage-main {
    order: 1;
  }
  .page-disclaimer .usage-layout > .usage-brief {
    order: 2;
    position: sticky;
    top: 92px;
  }
}

@media (max-width: 700px) {
  .page-disclaimer .usage-photo img {
    aspect-ratio: 4 / 3;
  }
}

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