.page-disclaimer {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.85;
  min-width: 0;
}

.page-disclaimer .breadcrumb {
  padding: 22px 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--slate);
}

.page-disclaimer .breadcrumb a {
  color: var(--slate);
  text-decoration: none;
}

.page-disclaimer .breadcrumb a:hover,
.page-disclaimer .breadcrumb a:focus-visible {
  color: var(--orange);
}

/* ============ 首屏声明区 ============ */

.page-disclaimer .usage-mast {
  padding: 10px 0 44px;
  border-bottom: 1px solid var(--line-ink);
}

.page-disclaimer .usage-mast__grid {
  display: grid;
  gap: 22px;
}

.page-disclaimer .usage-mast__stamp {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-ink);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  line-height: 1.7;
  color: var(--slate);
}

.page-disclaimer .usage-mast__stamp span {
  display: block;
  font-size: 18px;
  letter-spacing: .02em;
  color: var(--orange);
}

.page-disclaimer .usage-mast h1 {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(44px, 11vw, 76px);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--teal);
}

.page-disclaimer .usage-mast h1::after {
  content: "";
  display: block;
  width: 76px;
  height: 6px;
  margin-top: 18px;
  background: var(--orange);
}

.page-disclaimer .usage-mast__lede {
  max-width: 44rem;
  margin: 0 0 26px;
  font-size: 17px;
  line-height: 1.85;
}

.page-disclaimer .usage-mast__keys {
  list-style: none;
  margin: 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line-ink);
  display: grid;
  gap: 10px;
}

.page-disclaimer .usage-mast__keys li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.7;
}

.page-disclaimer .usage-mast__key {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--orange);
}

/* ============ 主体双栏 ============ */

.page-disclaimer .usage-body__grid {
  display: grid;
  gap: 32px;
  padding-top: 36px;
  padding-bottom: 72px;
}

/* 侧边目录 */

.page-disclaimer .usage-toc {
  min-width: 0;
}

.page-disclaimer .usage-toc__title {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-ink);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--slate);
}

.page-disclaimer .usage-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-disclaimer .usage-toc__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 7px 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(16, 20, 24, .08);
  transition: color .18s ease, border-color .18s ease;
}

.page-disclaimer .usage-toc__list a:hover,
.page-disclaimer .usage-toc__list a:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

.page-disclaimer .usage-toc__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
}

/* 分节 */

.page-disclaimer .usage-sections {
  min-width: 0;
}

.page-disclaimer .usage-sec {
  position: relative;
  padding-top: 24px;
}

.page-disclaimer .usage-sec + .usage-sec {
  margin-top: 44px;
}

.page-disclaimer .usage-sec + .usage-sec::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 30%;
  height: 2px;
  background: var(--mustard);
}

.page-disclaimer .usage-sec__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-disclaimer .usage-sec__title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 5.4vw, 34px);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--teal);
}

.page-disclaimer .usage-sec__body > p {
  max-width: 44rem;
  margin: 0 0 14px;
  text-indent: 2em;
}

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

.page-disclaimer .usage-sec__body a {
  color: var(--teal);
  text-decoration: underline;
  text-decoration-color: var(--mustard);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  transition: color .18s ease, text-decoration-color .18s ease;
}

.page-disclaimer .usage-sec__body a:hover,
.page-disclaimer .usage-sec__body a:focus-visible {
  color: var(--orange);
  text-decoration-color: var(--orange);
}

/* 关键要求折叠块 */

.page-disclaimer .usage-note {
  max-width: 44rem;
  margin: 24px 0 0;
  padding: 16px 18px;
  background: var(--mist);
  border-left: 5px solid var(--teal);
}

.page-disclaimer .usage-note summary {
  display: flex;
  gap: 10px;
  align-items: baseline;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
  color: var(--teal);
}

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

.page-disclaimer .usage-note summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--orange);
}

.page-disclaimer .usage-note[open] summary::after {
  content: "–";
}

.page-disclaimer .usage-note p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  text-indent: 0;
  color: var(--ink);
}

/* 图片 */

.page-disclaimer .media {
  max-width: 44rem;
  margin: 26px 0 0;
}

.page-disclaimer .media__frame {
  display: block;
  padding: 10px;
  background: var(--sand);
  border: 1px solid var(--line-ink);
}

.page-disclaimer .media--tilt .media__frame {
  transform: rotate(-.6deg);
}

.page-disclaimer .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-disclaimer .media__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  line-height: 1.7;
  color: var(--slate);
}

/* 版本记录条 */

.page-disclaimer .usage-version {
  position: relative;
  margin-top: 52px;
  padding: 26px 20px;
  background: var(--ink);
  color: var(--paper);
}

.page-disclaimer .usage-version::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 96px;
  height: 4px;
  background: var(--orange);
}

.page-disclaimer .usage-version__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--mustard);
}

.page-disclaimer .usage-version__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .usage-version__list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid rgba(250, 246, 239, .18);
  transition: background .2s ease;
}

.page-disclaimer .usage-version__list li:hover {
  background: rgba(255, 107, 53, .1);
}

.page-disclaimer .usage-version__v {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--orange);
}

.page-disclaimer .usage-version__d {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--slate);
}

.page-disclaimer .usage-version__s {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(250, 246, 239, .78);
}

.page-disclaimer .usage-version__list li:hover .usage-version__s {
  color: var(--paper);
}

/* ============ 响应式 ============ */

@media (min-width: 760px) {
  .page-disclaimer .usage-mast__keys {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-disclaimer .usage-mast__keys li {
    display: block;
  }

  .page-disclaimer .usage-mast__key {
    display: block;
    margin-bottom: 6px;
  }

  .page-disclaimer .usage-version {
    padding: 30px 28px;
  }

  .page-disclaimer .usage-version__list li {
    grid-template-columns: 190px 120px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .usage-mast {
    padding: 16px 0 52px;
  }

  .page-disclaimer .usage-mast__grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 8fr);
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .usage-body__grid {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 72px;
    padding-top: 52px;
    padding-bottom: 88px;
  }

  .page-disclaimer .usage-toc {
    position: sticky;
    top: 96px;
    align-self: start;
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .usage-sec__num {
    position: absolute;
    left: -46px;
    top: 30px;
    margin: 0;
    writing-mode: vertical-rl;
    color: var(--slate);
  }
}

@media (max-width: 480px) {
  .page-disclaimer .usage-sec__title {
    font-size: 23px;
  }

  .page-disclaimer .usage-note {
    padding: 14px 14px;
  }

  .page-disclaimer .usage-version {
    padding: 22px 15px;
  }
}
<<<END>>>