.page-disclaimer {
  --dc-ink: #C3D6E0;
  --dc-rail: 250px;
  --dc-gap: 52px;
  --dc-line: rgba(23, 56, 77, .7);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dc-hero {
  padding: clamp(20px, 4vw, 44px) 0 clamp(30px, 5vw, 60px);
}

.page-disclaimer .dc-hero__grid {
  display: grid;
  gap: 26px;
}

.page-disclaimer .dc-hero__main h1 {
  margin: 14px 0 0;
  font-family: var(--f-head);
  font-weight: 900;
  font-size: clamp(34px, 7.2vw, 66px);
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--c-white);
}

.page-disclaimer .dc-lede {
  margin: 18px 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.85;
  color: var(--dc-ink);
}

.page-disclaimer .dc-chips {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .dc-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(53, 242, 208, .38);
  background: rgba(11, 34, 57, .5);
  font-size: 13px;
  line-height: 1.45;
  color: var(--c-white);
}

.page-disclaimer .dc-chip::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-cyan);
  box-shadow: 0 0 10px rgba(53, 242, 208, .85);
}

/* ---------- 摘要卡 ---------- */
.page-disclaimer .dc-summary {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 268px;
  display: flex;
  align-items: flex-end;
  border: 1px solid var(--dc-line);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 70px -52px rgba(53, 242, 208, .8);
}

.page-disclaimer .dc-summary__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .55;
  filter: saturate(.85);
}

.page-disclaimer .dc-summary::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(162deg, rgba(6, 20, 35, .28) 0%, rgba(6, 20, 35, .84) 54%, rgba(4, 16, 28, .97) 100%),
    radial-gradient(120% 90% at 88% 6%, rgba(25, 200, 230, .18), transparent 62%);
  pointer-events: none;
}

.page-disclaimer .dc-summary__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 22px 22px 24px;
}

.page-disclaimer .dc-summary__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(53, 242, 208, .24);
}

.page-disclaimer .dc-summary__label {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--c-mist);
}

.page-disclaimer .dc-summary__ver {
  font-family: var(--f-mono);
  font-size: 24px;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--c-cyan);
}

.page-disclaimer .dc-summary__pairs {
  margin: 14px 0 0;
  display: grid;
  gap: 11px;
}

.page-disclaimer .dc-summary__pair {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.page-disclaimer .dc-summary__pair dt {
  flex: none;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--c-mist);
}

.page-disclaimer .dc-summary__pair dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.5;
  text-align: right;
  color: var(--c-white);
}

/* ---------- 主体双栏 ---------- */
.page-disclaimer .dc-body {
  display: grid;
  gap: 28px;
  padding-bottom: clamp(56px, 9vw, 104px);
}

/* 目录 */
.page-disclaimer .dc-toc {
  padding: 15px 15px 13px;
  border: 1px solid var(--dc-line);
  border-radius: var(--radius-md);
  background: rgba(11, 34, 57, .45);
}

.page-disclaimer .dc-toc__title {
  margin: 0 0 12px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--c-mist);
}

.page-disclaimer .dc-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-disclaimer .dc-toc__list li {
  flex: none;
}

.page-disclaimer .dc-toc__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--dc-line);
  border-radius: var(--radius-pill);
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  color: var(--c-mist);
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-disclaimer .dc-toc__list a span {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--c-signal);
}

.page-disclaimer .dc-toc__list a:hover,
.page-disclaimer .dc-toc__list a:focus-visible {
  color: var(--c-white);
  border-color: var(--c-cyan);
  background: rgba(53, 242, 208, .08);
}

/* 章节 */
.page-disclaimer .dc-sec {
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--hair);
  scroll-margin-top: 120px;
}

.page-disclaimer .dc-sec + .dc-sec {
  margin-top: clamp(30px, 4.5vw, 48px);
}

.page-disclaimer .dc-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.page-disclaimer .dc-sec__num {
  flex: none;
  padding: 2px 9px;
  border-radius: var(--radius-pill);
  background: rgba(53, 242, 208, .1);
  font-family: var(--f-mono);
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--c-cyan);
}

.page-disclaimer .dc-sec h2 {
  margin: 0;
  font-family: var(--f-head);
  font-weight: 900;
  font-size: clamp(21px, 3.2vw, 28px);
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--c-white);
}

.page-disclaimer .dc-sec__body {
  display: grid;
  gap: 14px;
}

.page-disclaimer .dc-sec__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--dc-ink);
}

.page-disclaimer .dc-sec__body p a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 208, .42);
  transition: border-color .2s var(--ease);
}

.page-disclaimer .dc-sec__body p a:hover {
  border-bottom-color: var(--c-cyan);
}

.page-disclaimer .dc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
  max-width: 62ch;
}

.page-disclaimer .dc-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--dc-ink);
}

.page-disclaimer .dc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .92em;
  width: 10px;
  height: 1px;
  background: var(--c-signal);
}

/* 联系面板 */
.page-disclaimer .dc-contact {
  display: grid;
  gap: 1px;
  margin-top: 4px;
  border: 1px solid var(--dc-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--dc-line);
}

.page-disclaimer .dc-contact__cell {
  min-width: 0;
  padding: 14px 16px;
  background: var(--c-console);
}

.page-disclaimer .dc-contact__k {
  display: block;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--c-mist);
}

.page-disclaimer .dc-contact__v {
  display: block;
  margin-top: 7px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-white);
  overflow-wrap: anywhere;
}

.page-disclaimer .dc-contact__v a {
  color: var(--c-cyan);
  text-decoration: none;
}

.page-disclaimer .dc-contact__v a:hover {
  text-decoration: underline;
}

.page-disclaimer .dc-sec__body p.dc-note {
  max-width: 62ch;
  padding: 14px 18px;
  border-left: 2px solid var(--c-coral);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(11, 34, 57, .62);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--dc-ink);
}

/* 版本与变更 */
.page-disclaimer .dc-ver {
  display: inline-block;
  padding: 1px 8px;
  border-radius: var(--radius-pill);
  background: rgba(255, 107, 74, .12);
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--c-coral);
}

.page-disclaimer .dc-changelog {
  margin-top: 2px;
  max-width: 62ch;
  border-top: 1px solid var(--dc-line);
}

.page-disclaimer .dc-changelog__item {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--dc-line);
}

.page-disclaimer .dc-changelog__v {
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--c-cyan);
}

.page-disclaimer .dc-changelog__d {
  font-size: 15px;
  line-height: 1.7;
  color: var(--dc-ink);
}

/* 延伸入口 */
.page-disclaimer .dc-next {
  margin-top: clamp(34px, 5vw, 54px);
  padding-top: 24px;
  border-top: 1px solid var(--hair);
}

.page-disclaimer .dc-next__title {
  margin: 0 0 14px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--c-mist);
}

.page-disclaimer .dc-next__list {
  display: grid;
  gap: 10px;
}

.page-disclaimer .dc-next__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  border: 1px solid var(--dc-line);
  border-radius: var(--radius-md);
  background: rgba(11, 34, 57, .4);
  font-size: 14.5px;
  line-height: 1.55;
  text-decoration: none;
  color: var(--c-white);
  transition: border-color .22s var(--ease), background .22s var(--ease), transform .22s var(--ease);
}

.page-disclaimer .dc-next__link span:last-child {
  flex: none;
  font-family: var(--f-mono);
  font-size: 13px;
  color: var(--c-cyan);
}

.page-disclaimer .dc-next__link:hover,
.page-disclaimer .dc-next__link:focus-visible {
  border-color: var(--c-cyan);
  background: rgba(53, 242, 208, .07);
  transform: translateX(3px);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .dc-chips {
    display: flex;
    flex-wrap: wrap;
  }

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

  .page-disclaimer .dc-changelog__item {
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .dc-hero__grid {
    grid-template-columns: minmax(0, 1.14fr) minmax(0, .86fr);
    gap: 40px;
    align-items: start;
  }

  .page-disclaimer .dc-summary {
    min-height: 320px;
  }

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

@media (min-width: 980px) {
  .page-disclaimer .dc-body {
    grid-template-columns: var(--dc-rail) minmax(0, 1fr);
    gap: var(--dc-gap);
    align-items: start;
  }

  .page-disclaimer .dc-toc {
    position: sticky;
    top: 96px;
    padding: 18px 16px;
  }

  .page-disclaimer .dc-toc__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .dc-toc__list li + li {
    margin-top: 4px;
  }

  .page-disclaimer .dc-toc__list a {
    border: 0;
    border-left: 2px solid var(--dc-line);
    border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
    padding: 8px 12px;
    white-space: normal;
  }

  .page-disclaimer .dc-toc__list a:hover,
  .page-disclaimer .dc-toc__list a:focus-visible {
    border-left-color: var(--c-cyan);
    background: rgba(53, 242, 208, .08);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-next__link,
  .page-disclaimer .dc-toc__list a {
    transition: none;
  }

  .page-disclaimer .dc-next__link:hover,
  .page-disclaimer .dc-next__link:focus-visible {
    transform: none;
  }
}
<<<END>>>