.page-disclaimer {
  --u-radius: 16px;
  --u-radius-sm: 10px;
  --u-card-bg: rgba(26, 29, 39, 0.72);
  --u-hair: rgba(232, 180, 74, 0.22);
  --u-hair-soft: rgba(154, 160, 174, 0.18);
  --u-ink-soft: rgba(36, 28, 23, 0.07);
  --u-ease: var(--ease);
  display: block;
  overflow-x: hidden;
  padding-bottom: 72px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  padding-top: 20px;
}

.page-disclaimer .usage-hero__frame {
  padding: 24px 20px 28px;
  background:
    radial-gradient(120% 140% at 88% 0%, rgba(91, 63, 209, 0.22) 0%, rgba(13, 14, 19, 0) 58%),
    linear-gradient(168deg, rgba(232, 180, 74, 0.09) 0%, rgba(13, 14, 19, 0) 46%);
}

.page-disclaimer .usage-hero__grid {
  display: grid;
  gap: 32px;
}

.page-disclaimer .usage-hero__title {
  margin: 14px 0 0;
  position: relative;
  padding-left: 18px;
}

.page-disclaimer .usage-hero__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.12em;
  bottom: 0.14em;
  width: 6px;
  background: linear-gradient(180deg, var(--gold) 0%, var(--orange) 100%);
  clip-path: polygon(0 0, 100% 6px, 100% 100%, 0 calc(100% - 6px));
}

.page-disclaimer .usage-hero__lead {
  margin-top: 18px;
  max-width: 40ch;
}

.page-disclaimer .usage-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-disclaimer .usage-hero__facts {
  list-style: none;
  margin: 32px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--u-hair);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.page-disclaimer .usage-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-disclaimer .usage-fact-num {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
  letter-spacing: -0.02em;
}

.page-disclaimer .usage-fact-txt {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-dim);
}

.page-disclaimer .usage-hero__media {
  margin: 0;
  border: 1px solid var(--u-hair-soft);
  border-radius: var(--u-radius);
  overflow: hidden;
  background: var(--panel);
  box-shadow: var(--shadow-1);
}

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

.page-disclaimer .usage-hero__media .media-frame__caption {
  padding: 12px 16px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-dim);
  border-top: 1px solid var(--u-hair-soft);
}

/* ---------- 条款目录 ---------- */
.page-disclaimer .usage-toc {
  position: sticky;
  top: var(--header-h-min);
  z-index: 30;
  margin: 8px 0 0;
  padding: 12px 20px;
  background: rgba(13, 14, 19, 0.94);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--u-hair);
  border-bottom: 1px solid var(--u-hair);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-disclaimer .usage-toc::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .usage-toc__title {
  display: none;
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold-deep);
}

.page-disclaimer .usage-toc__list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 0;
  padding: 0;
  white-space: nowrap;
}

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

.page-disclaimer .usage-toc__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 2px 0;
  font-size: 14px;
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--u-ease), border-color 200ms var(--u-ease);
}

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

.page-disclaimer .usage-toc__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--gold);
}

/* ---------- 条款卡片 ---------- */
.page-disclaimer .usage-clauses {
  display: grid;
  gap: 20px;
}

.page-disclaimer .usage-clause {
  position: relative;
  padding: 26px 22px 24px 24px;
  background: var(--u-card-bg);
  border: 1px solid var(--u-hair-soft);
  border-radius: var(--u-radius);
  box-shadow: var(--shadow-1);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  transition: transform 260ms var(--u-ease), border-color 260ms var(--u-ease);
}

.page-disclaimer .usage-clause::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--gold) 0%, rgba(232, 180, 74, 0.08) 100%);
}

.page-disclaimer .usage-clause:hover {
  transform: translate(-4px, -4px);
  border-color: var(--u-hair);
}

.page-disclaimer .usage-clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 12px;
}

.page-disclaimer .usage-clause__num {
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
  letter-spacing: -0.03em;
}

.page-disclaimer .usage-clause .h3 {
  margin: 0;
}

.page-disclaimer .usage-clause p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

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

.page-disclaimer .usage-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}

.page-disclaimer .usage-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 1px;
  background: var(--gold-deep);
}

.page-disclaimer .usage-list--tight li {
  font-size: 14px;
  color: var(--text-brown-dim);
}

/* ---------- 引用章节 ---------- */
.page-disclaimer .usage-cite {
  display: grid;
  gap: 24px;
}

.page-disclaimer .usage-quote-sample {
  padding: 24px 22px;
  background: rgba(13, 14, 19, 0.06);
  border: 1px solid var(--line-cream);
  border-left: 4px solid var(--gold-deep);
  border-radius: var(--u-radius-sm);
}

.page-disclaimer .usage-quote-sample__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--brown);
  opacity: 0.62;
}

.page-disclaimer .usage-quote-sample__code {
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--text-brown);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-disclaimer .usage-quote-sample__note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-brown-dim);
}

.page-disclaimer .usage-figure {
  margin: 0;
  padding: 18px 16px 14px;
  background: var(--brown);
  border-radius: var(--u-radius-sm);
  color: var(--gold);
}

.page-disclaimer .usage-figure svg {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-disclaimer .usage-figure__t {
  fill: var(--gold);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
}

.page-disclaimer .usage-figure__t2 {
  fill: rgba(243, 237, 225, 0.66);
  font-family: var(--font-sans);
  font-size: 12.5px;
}

.page-disclaimer .usage-figure .media-frame__caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(243, 237, 225, 0.62);
}

.page-disclaimer .usage-cite__cards {
  margin-top: 26px;
}

.page-disclaimer .usage-cite__cards .card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}

.page-disclaimer .usage-cite__cards .card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
}

/* ---------- 版本章节 ---------- */
.page-disclaimer .usage-version {
  display: grid;
  gap: 26px;
}

.page-disclaimer .usage-version__main {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .usage-table {
  min-width: 560px;
}

.page-disclaimer .usage-ver {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  color: var(--gold);
  white-space: nowrap;
}

.page-disclaimer .usage-version__aside {
  padding: 24px 22px;
  background: linear-gradient(158deg, rgba(91, 63, 209, 0.24) 0%, rgba(26, 29, 39, 0.9) 62%);
  border: 1px solid var(--u-hair);
  border-radius: var(--u-radius);
}

.page-disclaimer .usage-version__kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold-deep);
}

.page-disclaimer .usage-version__big {
  margin: 12px 0 4px;
  font-family: var(--font-mono);
  font-size: 60px;
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
  letter-spacing: -0.04em;
}

.page-disclaimer .usage-version__big span {
  font-size: 26px;
  margin-left: 4px;
}

.page-disclaimer .usage-version__cap {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-disclaimer .usage-version__aside .usage-list {
  margin-top: 18px;
}

.page-disclaimer .usage-version__aside .link-arrow {
  display: inline-block;
  margin-top: 18px;
}

.page-disclaimer .usage-version__foot {
  margin: 28px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--u-hair-soft);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 62ch;
}

/* ---------- 第三方内容 ---------- */
.page-disclaimer .usage-accordion {
  max-width: 860px;
}

.page-disclaimer .usage-accordion .accordion-trigger-wrap {
  margin: 0;
}

.page-disclaimer .usage-accordion .usage-accordion .accordion-panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 责任与联系 ---------- */
.page-disclaimer .usage-licence {
  display: grid;
  gap: 24px;
}

.page-disclaimer .usage-licence__notes {
  display: grid;
  gap: 18px;
}

.page-disclaimer .usage-note {
  padding: 22px 20px;
  border: 1px solid var(--u-hair-soft);
  border-radius: var(--u-radius-sm);
  background: var(--u-card-bg);
}

.page-disclaimer .usage-note .h3 {
  margin: 0 0 10px;
}

.page-disclaimer .usage-note p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-dim);
}

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

.page-disclaimer .usage-contact {
  position: relative;
  padding: 28px 22px;
  background: linear-gradient(160deg, rgba(232, 180, 74, 0.12) 0%, rgba(19, 21, 30, 0.96) 48%);
  border: 1px solid var(--u-hair);
  border-radius: var(--u-radius);
  box-shadow: var(--shadow-2);
}

.page-disclaimer .usage-contact__kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-disclaimer .usage-contact__title {
  margin: 10px 0 0;
}

.page-disclaimer .usage-contact__text {
  margin: 14px 0 22px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-disclaimer .usage-contact .contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 14px 0;
  border-top: 1px solid var(--u-hair-soft);
}

.page-disclaimer .usage-contact .contact-key {
  flex: 0 0 72px;
  font-size: 13px;
  color: var(--gold-deep);
}

.page-disclaimer .usage-contact .contact-val {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 14.5px;
  color: var(--text);
  word-break: break-all;
}

.page-disclaimer .usage-contact__hours {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-disclaimer .usage-contact__actions {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-disclaimer .usage-contact__meta {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--u-hair-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 页尾 ---------- */
.page-disclaimer .usage-divider {
  margin: 56px 0 22px;
}

.page-disclaimer .usage-tail {
  margin: 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-disclaimer .usage-tail .link-arrow {
  display: inline-block;
  margin-left: 6px;
}

/* ---------- 动效 ---------- */
.page-disclaimer [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 560ms var(--u-ease), transform 560ms var(--u-ease);
}

.page-disclaimer [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .usage-hero__frame {
    padding: 34px 32px 38px;
  }

  .page-disclaimer .usage-clauses {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

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

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

  .page-disclaimer .usage-toc {
    padding: 14px 32px;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .usage-hero__grid {
    grid-template-columns: 6fr 6fr;
    align-items: center;
    gap: 44px;
  }

  .page-disclaimer .usage-cite {
    grid-template-columns: 5fr 7fr;
    align-items: start;
    gap: 32px;
  }

  .page-disclaimer .usage-version {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 32px;
  }

  .page-disclaimer .usage-licence {
    grid-template-columns: 6fr 6fr;
    align-items: start;
    gap: 32px;
  }

  .page-disclaimer .usage-clauses {
    gap: 26px;
  }
}

@media (min-width: 1760px) {
  .page-disclaimer .usage-toc {
    position: fixed;
    top: calc(var(--header-h) + 48px);
    right: 32px;
    width: 224px;
    margin: 0;
    padding: 20px 18px;
    background: var(--panel);
    border: 1px solid var(--u-hair);
    border-radius: var(--u-radius);
    box-shadow: var(--shadow-2);
    overflow: visible;
  }

  .page-disclaimer .usage-toc__title {
    display: block;
  }

  .page-disclaimer .usage-toc__list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    white-space: normal;
  }

  .page-disclaimer .usage-toc__list a {
    padding: 9px 8px;
    border-bottom: none;
    border-left: 2px solid transparent;
    border-radius: 6px;
    font-size: 13.5px;
    line-height: 1.5;
  }

  .page-disclaimer .usage-toc__list a:hover,
  .page-disclaimer .usage-toc__list a:focus-visible {
    background: rgba(53, 224, 214, 0.08);
    border-left-color: var(--cyan);
    border-bottom-color: transparent;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-disclaimer .usage-clause:hover {
    transform: none;
  }
}
<<<END>>>