.page-disclaimer {
  --cl-w: 2.4rem;
  --cl-rule: rgba(138, 160, 180, 0.2);
  --cl-a: #0E2135;
  --cl-b: #12283D;
  --cl-cut: 22px;
  position: relative;
  isolation: isolate;
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disclaimer-hero {
  position: relative;
  padding: clamp(2rem, 5.5vw, 4.2rem) 0 clamp(1.6rem, 4vw, 2.8rem);
  border-bottom: 1px solid var(--cl-rule);
}

.page-disclaimer .disclaimer-hero::after {
  content: "";
  position: absolute;
  right: 0;
  top: -28%;
  width: min(58%, 620px);
  height: 156%;
  background: radial-gradient(closest-side, rgba(200, 145, 47, 0.16), transparent 74%);
  pointer-events: none;
  z-index: -1;
}

.page-disclaimer .disclaimer-hero h1 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.9rem, 7vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: 0.01em;
  margin: 0.7rem 0 1.05rem;
  max-width: 20ch;
  color: var(--paper);
}

.page-disclaimer .disclaimer-hero__lead {
  margin: 0;
  max-width: 640px;
  font-size: clamp(1rem, 1.7vw, 1.11rem);
  line-height: 1.85;
  color: #C6D2DE;
}

.page-disclaimer .version-stamp {
  display: inline-block;
  margin: 1.5rem 0 0;
  padding: 0.5rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  color: var(--paper);
  background: rgba(200, 145, 47, 0.09);
  border: 1px solid var(--edge-amber);
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px));
}

.page-disclaimer .version-stamp b {
  color: var(--amber-bright);
  border-bottom: 1px solid var(--edge-amber);
  padding-bottom: 1px;
}

/* ---------- 条款区块 ---------- */
.page-disclaimer .clause-block {
  padding: clamp(1.8rem, 4.2vw, 3rem) 0 0;
}

.page-disclaimer .clause-block__title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-disclaimer .clause-block__title::before {
  content: "";
  flex: 0 0 auto;
  width: 26px;
  height: 3px;
  background: var(--amber);
  clip-path: polygon(0 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

.page-disclaimer .clause-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--cl-rule);
  overflow: hidden;
  clip-path: polygon(
    0 0,
    calc(100% - var(--cl-cut)) 0,
    100% var(--cl-cut),
    100% 100%,
    var(--cl-cut) 100%,
    0 calc(100% - var(--cl-cut))
  );
}

.page-disclaimer .clause {
  display: grid;
  grid-template-columns: var(--cl-w) minmax(0, 1fr);
  column-gap: 0.9rem;
  align-items: start;
  padding: 1.05rem 1.1rem 1.05rem 0.9rem;
  border-bottom: 1px solid var(--cl-rule);
  background: var(--cl-a);
}

.page-disclaimer .clause:nth-child(even) {
  background: var(--cl-b);
}

.page-disclaimer .clause:last-child {
  border-bottom: 0;
}

.page-disclaimer .clause-no {
  display: inline-block;
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.5;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid var(--edge-amber);
  padding-bottom: 1px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-disclaimer .clause-no:hover,
.page-disclaimer .clause-no:focus-visible {
  color: var(--amber-bright);
  border-bottom-color: var(--amber-bright);
}

.page-disclaimer .clause-text {
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--paper);
}

.page-disclaimer .mark {
  color: var(--amber-bright);
  border-bottom: 1px solid var(--edge-amber);
  padding-bottom: 1px;
}

.page-disclaimer .link-amber {
  color: var(--amber-bright);
  text-decoration: none;
  border-bottom: 1px solid var(--edge-amber);
  padding-bottom: 1px;
}

.page-disclaimer .link-amber:hover,
.page-disclaimer .link-amber:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--amber-bright);
}

/* ---------- 联系方式 ---------- */
.page-disclaimer .disclaimer-contact {
  padding: clamp(2rem, 4.4vw, 3.2rem) 0 clamp(1.6rem, 3.4vw, 2.4rem);
}

.page-disclaimer .contact-panel {
  padding: clamp(1.3rem, 3vw, 2.1rem);
  background: linear-gradient(140deg, rgba(18, 40, 61, 0.96), rgba(11, 27, 43, 0.96));
  border: 1px solid var(--edge-amber);
  clip-path: polygon(
    0 0,
    calc(100% - 26px) 0,
    100% 26px,
    100% 100%,
    26px 100%,
    0 calc(100% - 26px)
  );
}

.page-disclaimer .contact-panel__title {
  margin: 0 0 0.7rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.15rem, 2.4vw, 1.4rem);
  color: var(--paper);
}

.page-disclaimer .contact-panel__text {
  margin: 0;
  max-width: 720px;
  font-size: 1rem;
  line-height: 1.85;
  color: #C6D2DE;
}

.page-disclaimer .contact-mail {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.95rem;
  color: var(--amber-bright);
  border-bottom: 1px solid var(--edge-amber);
  padding-bottom: 1px;
  word-break: break-all;
}

/* ---------- 页尾收束 ---------- */
.page-disclaimer .disclaimer-coda {
  padding: clamp(1.6rem, 3.4vw, 2.4rem) 0 clamp(3rem, 6vw, 4.6rem);
}

.page-disclaimer .disclaimer-coda .media-frame {
  border: 1px solid var(--cl-rule);
}

.page-disclaimer .coda-line {
  margin: 1.3rem 0 0;
  padding-left: 1rem;
  border-left: 3px solid var(--amber);
  max-width: 34ch;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.6vw, 1.5rem);
  line-height: 1.6;
  color: var(--paper);
}

/* ---------- 回到顶部 ---------- */
.page-disclaimer .to-top {
  position: fixed;
  right: clamp(12px, 2vw, 24px);
  bottom: clamp(12px, 2vw, 24px);
  z-index: 60;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--paper);
  background: rgba(18, 40, 61, 0.94);
  border: 1px solid var(--edge-amber);
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.page-disclaimer .to-top:hover,
.page-disclaimer .to-top:focus-visible {
  color: var(--amber-bright);
  border-color: var(--amber-bright);
}

.page-disclaimer .to-top-mark {
  color: var(--amber);
}

/* ---------- 中屏及以上 ---------- */
@media (min-width: 720px) {
  .page-disclaimer {
    --cl-w: 3.4rem;
    --cl-cut: 30px;
  }

  .page-disclaimer .clause {
    column-gap: 1.4rem;
    padding: 1.35rem 1.8rem 1.35rem 1.3rem;
  }

  .page-disclaimer .clause-no {
    font-size: 1.12rem;
  }

  .page-disclaimer .clause-text {
    font-size: 1.05rem;
    max-width: 72ch;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer {
    --cl-w: 4rem;
  }

  .page-disclaimer .disclaimer-hero {
    padding-bottom: clamp(2.4rem, 4vw, 3.6rem);
  }

  .page-disclaimer .clause-list {
    clip-path: polygon(
      0 0,
      calc(100% - 34px) 0,
      100% 34px,
      100% 100%,
      34px 100%,
      0 calc(100% - 34px)
    );
  }

  .page-disclaimer .clause {
    padding: 1.6rem 2.6rem 1.6rem 1.6rem;
  }

  .page-disclaimer .clause-block__title {
    margin-bottom: 1.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause-no,
  .page-disclaimer .link-amber,
  .page-disclaimer .to-top {
    transition: none;
  }
}
<<<END>>>