.page-disclaimer {
  --tc-gap: clamp(32px, 5vw, 88px);
  --tc-rule: rgba(244, 246, 248, 0.14);
  --tc-text: rgba(244, 246, 248, 0.82);
  --tc-hero-glow-cyan: rgba(22, 224, 200, 0.16);
  --tc-hero-glow-orange: rgba(255, 90, 43, 0.14);
  background-color: var(--yb-navy);
  color: var(--yb-fg);
  overflow-x: hidden;
}

.page-disclaimer a {
  outline-offset: 3px;
}

.page-disclaimer a:focus-visible {
  outline: 3px solid var(--yb-cyan);
}

/* ---------- 首屏 ---------- */

.page-disclaimer .tc-hero {
  position: relative;
  padding-top: calc(var(--yb-header-h) + clamp(48px, 8vw, 104px));
  padding-bottom: clamp(44px, 7vw, 88px);
  background-color: var(--yb-navy);
  background-image:
    radial-gradient(58% 78% at 90% 4%, var(--tc-hero-glow-cyan), transparent 62%),
    radial-gradient(46% 58% at 4% 98%, var(--tc-hero-glow-orange), transparent 68%);
  border-bottom: 1px solid var(--tc-rule);
  overflow: hidden;
}

.page-disclaimer .tc-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--yb-muted);
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-disclaimer .tc-breadcrumb__link {
  color: var(--yb-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--yb-ease), border-color 200ms var(--yb-ease);
}

.page-disclaimer .tc-breadcrumb__link:hover {
  color: var(--yb-cyan);
  border-bottom-color: var(--yb-cyan);
}

.page-disclaimer .tc-breadcrumb__sep {
  color: rgba(244, 246, 248, 0.35);
}

.page-disclaimer .tc-breadcrumb__current {
  color: var(--yb-fg);
  font-weight: 700;
}

.page-disclaimer .tc-hero .yb-kicker {
  margin: 0 0 18px;
}

.page-disclaimer .tc-hero__title {
  margin: 0;
  font-size: clamp(34px, 6vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 900;
  max-width: 20em;
}

.page-disclaimer .tc-hero__lede {
  margin: clamp(20px, 3vw, 30px) 0 0;
  max-width: 60ch;
  color: var(--yb-muted);
}

.page-disclaimer .tc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px clamp(24px, 4vw, 56px);
  margin: clamp(30px, 4vw, 48px) 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--tc-rule);
}

.page-disclaimer .tc-meta__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-disclaimer .tc-meta dt {
  font-family: var(--yb-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--yb-muted);
}

.page-disclaimer .tc-meta__value {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--yb-fg);
  line-height: 1.4;
}

.page-disclaimer .tc-meta__value--mark {
  font-family: var(--yb-font-mono);
  font-size: clamp(22px, 2.6vw, 30px);
  color: var(--yb-yellow);
  letter-spacing: 0.02em;
}

/* ---------- 主体双栏 ---------- */

.page-disclaimer .tc-main {
  background-color: var(--yb-navy);
  padding-top: clamp(44px, 6vw, 88px);
  padding-bottom: clamp(56px, 8vw, 112px);
}

.page-disclaimer .tc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 44px);
}

.page-disclaimer .tc-rail {
  min-width: 0;
}

.page-disclaimer .tc-rail__eyebrow {
  margin: 0 0 14px;
  font-family: var(--yb-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--yb-cyan);
}

.page-disclaimer .tc-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
}

.page-disclaimer .tc-rail__item {
  min-width: 0;
}

.page-disclaimer .tc-rail__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 12px 12px 14px;
  border-left: 3px solid transparent;
  background-color: rgba(20, 41, 74, 0.55);
  color: var(--yb-muted);
  text-decoration: none;
  transition:
    color 200ms var(--yb-ease),
    border-color 200ms var(--yb-ease),
    background-color 200ms var(--yb-ease);
}

.page-disclaimer .tc-rail__no {
  flex: none;
  font-family: var(--yb-font-mono);
  font-weight: 700;
  font-size: clamp(20px, 2.4vw, 30px);
  line-height: 0.9;
  color: var(--yb-cyan);
  transition: color 200ms var(--yb-ease);
}

.page-disclaimer .tc-rail__text {
  font-size: 14px;
  line-height: 1.5;
  font-weight: 600;
}

.page-disclaimer .tc-rail__link:hover,
.page-disclaimer .tc-rail__link:focus-visible {
  color: var(--yb-fg);
  border-left-color: var(--yb-orange);
  background-color: rgba(255, 90, 43, 0.1);
}

.page-disclaimer .tc-rail__link:hover .tc-rail__no,
.page-disclaimer .tc-rail__link:focus-visible .tc-rail__no {
  color: var(--yb-orange);
}

.page-disclaimer .tc-panel {
  min-width: 0;
}

/* ---------- 条款条目 ---------- */

.page-disclaimer .tc-clause {
  padding: clamp(26px, 3.6vw, 44px) clamp(16px, 2.6vw, 32px);
  border-left: 3px solid transparent;
  border-top: 1px solid var(--tc-rule);
  scroll-margin-top: calc(var(--yb-header-h) + 20px);
  transition:
    border-color 240ms var(--yb-ease),
    background-color 240ms var(--yb-ease);
}

.page-disclaimer .tc-clause:last-child {
  border-bottom: 1px solid var(--tc-rule);
}

.page-disclaimer .tc-clause:target {
  border-left-color: var(--yb-orange);
  background-color: rgba(255, 90, 43, 0.06);
}

.page-disclaimer .tc-clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-disclaimer .tc-clause__no {
  flex: none;
  font-family: var(--yb-font-mono);
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--yb-cyan);
}

.page-disclaimer .tc-clause__title {
  margin: 0;
  font-size: clamp(21px, 2.6vw, 32px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--yb-fg);
}

.page-disclaimer .tc-text {
  margin: 0 0 16px;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--tc-text);
}

.page-disclaimer .tc-text--tight {
  margin-bottom: 0;
}

.page-disclaimer .tc-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-disclaimer .tc-list__item {
  position: relative;
  padding-left: 22px;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--tc-text);
}

.page-disclaimer .tc-list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.74em;
  width: 10px;
  height: 2px;
  background-color: var(--yb-cyan);
}

.page-disclaimer .tc-list__item strong {
  color: var(--yb-fg);
  font-weight: 700;
}

.page-disclaimer .tc-link {
  color: var(--yb-cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 180ms var(--yb-ease);
}

.page-disclaimer .tc-link:hover,
.page-disclaimer .tc-link:focus-visible {
  color: var(--yb-orange);
}

/* ---------- 图与旁注 ---------- */

.page-disclaimer .tc-figure {
  margin: 26px 0 0;
}

.page-disclaimer .tc-figure .yb-figure__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--yb-muted);
}

.page-disclaimer .tc-aside {
  margin: 26px 0 0;
  padding: 16px 22px;
  max-width: 62ch;
  background-color: rgba(255, 201, 60, 0.08);
  border-left: 3px solid var(--yb-yellow);
}

.page-disclaimer .tc-aside__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(244, 246, 248, 0.88);
}

/* ---------- 联系信息 ---------- */

.page-disclaimer .tc-contact {
  margin-top: 26px;
  border-top: 1px solid var(--tc-rule);
  max-width: 64ch;
}

.page-disclaimer .tc-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--tc-rule);
}

.page-disclaimer .tc-contact__label {
  flex: none;
  min-width: 5.5em;
  font-family: var(--yb-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--yb-cyan);
}

.page-disclaimer .tc-contact__value {
  font-family: var(--yb-font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--yb-fg);
  word-break: break-all;
}

.page-disclaimer .tc-note {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--yb-muted);
}

/* ---------- 版本刻度 ---------- */

.page-disclaimer .tc-versions {
  background-color: var(--yb-navy-2);
  padding-top: clamp(48px, 7vw, 88px);
  padding-bottom: clamp(56px, 8vw, 104px);
  border-top: 1px solid var(--tc-rule);
}

.page-disclaimer .tc-versions__title {
  margin: 0;
  font-size: clamp(26px, 3.6vw, 48px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.12;
}

.page-disclaimer .tc-versions__lede {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--yb-muted);
}

.page-disclaimer .tc-scale {
  list-style: none;
  margin: clamp(30px, 4vw, 52px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-disclaimer .tc-scale__item {
  position: relative;
  padding-left: 18px;
  border-left: 2px solid var(--yb-cyan);
  min-width: 0;
}

.page-disclaimer .tc-scale__dot {
  display: none;
}

.page-disclaimer .tc-scale__label {
  display: inline-block;
  font-family: var(--yb-font-mono);
  font-size: clamp(22px, 3vw, 38px);
  font-weight: 700;
  line-height: 1;
  color: var(--yb-cyan);
  transition: color 200ms var(--yb-ease);
}

.page-disclaimer .tc-scale__note {
  display: block;
  margin-top: 12px;
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(244, 246, 248, 0.62);
  transition: color 200ms var(--yb-ease);
}

.page-disclaimer .tc-scale__item:hover .tc-scale__label {
  color: var(--yb-orange);
}

.page-disclaimer .tc-scale__item:hover .tc-scale__note {
  color: var(--yb-fg);
}

/* ---------- 平板与桌面 ---------- */

@media (min-width: 720px) {
  .page-disclaimer .tc-rail__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .tc-scale {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(18px, 3vw, 40px);
    padding-top: 24px;
    position: relative;
  }

  .page-disclaimer .tc-scale::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background-image: linear-gradient(
      90deg,
      var(--yb-cyan) 0%,
      rgba(22, 224, 200, 0.5) 46%,
      rgba(22, 224, 200, 0.08) 100%
    );
  }

  .page-disclaimer .tc-scale__item {
    padding-left: 0;
    border-left: 0;
    padding-top: 18px;
  }

  .page-disclaimer .tc-scale__dot {
    display: block;
    position: absolute;
    top: -24px;
    left: 0;
    width: 10px;
    height: 24px;
    background-color: var(--yb-cyan);
    transition: background-color 200ms var(--yb-ease);
  }

  .page-disclaimer .tc-scale__item:hover .tc-scale__dot {
    background-color: var(--yb-orange);
  }

  .page-disclaimer .tc-scale__note {
    color: rgba(244, 246, 248, 0.52);
  }
}

@media (min-width: 960px) {
  .page-disclaimer .tc-layout {
    grid-template-columns: 4fr 8fr;
    gap: var(--tc-gap);
    align-items: start;
  }

  .page-disclaimer .tc-rail {
    position: sticky;
    top: calc(var(--yb-header-h) + 24px);
  }

  .page-disclaimer .tc-rail__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .page-disclaimer .tc-panel {
    position: relative;
  }

  .page-disclaimer .tc-panel::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: calc(var(--tc-gap) / -2 - 1px);
    width: 2px;
    background-image: linear-gradient(
      180deg,
      var(--yb-cyan) 0%,
      rgba(22, 224, 200, 0.42) 58%,
      rgba(22, 224, 200, 0.05) 100%
    );
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .tc-rail__link,
  .page-disclaimer .tc-rail__no,
  .page-disclaimer .tc-clause,
  .page-disclaimer .tc-scale__label,
  .page-disclaimer .tc-scale__note,
  .page-disclaimer .tc-scale__dot,
  .page-disclaimer .tc-link,
  .page-disclaimer .tc-breadcrumb__link {
    transition: none;
  }
}
<<<END>>>