.page-disclaimer {
  --td-rule: rgba(33, 26, 22, 0.2);
  --td-rule-soft: rgba(33, 26, 22, 0.1);
  --td-muted: #4A667C;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .td-hero {
  position: relative;
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(57, 209, 223, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 209, 223, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  color: var(--mist);
  border-bottom: 1px solid var(--hair);
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(2rem, 5vw, 3.5rem);
  overflow: hidden;
}

.page-disclaimer .td-hero__grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.page-disclaimer .td-hero__code {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-disclaimer .td-hero__code::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--orange);
  flex: none;
}

.page-disclaimer .td-hero__title {
  margin: 0.75rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4.5vw, 2.85rem);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-disclaimer .td-hero__intro {
  max-width: 36rem;
  margin: 0;
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  line-height: 1.9;
  color: var(--mist-soft);
}

.page-disclaimer .td-hero__figure {
  margin: 0;
  width: 100%;
}

.page-disclaimer .td-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 纸面正文区 ---------- */
.page-disclaimer .td-paper {
  background: var(--cream);
  color: var(--brown);
  border-top: 3px solid var(--orange);
  padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(2.5rem, 6vw, 4.5rem);
}

.page-disclaimer .td-layout {
  display: grid;
  gap: 1.75rem;
  min-width: 0;
}

/* ---------- 条款索引侧轨 ---------- */
.page-disclaimer .td-rail {
  min-width: 0;
}

.page-disclaimer .td-rail__title {
  margin: 0 0 0.75rem;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--td-muted);
}

.page-disclaimer .td-toc {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--td-rule);
}

.page-disclaimer .td-toc li {
  margin: 0;
}

.page-disclaimer .td-toc a {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin-left: -1px;
  padding: 0.45rem 0 0.45rem 0.85rem;
  border-left: 2px solid transparent;
  color: var(--brown);
  font-size: 0.88rem;
  line-height: 1.5;
  text-decoration: none;
  transition: border-color 200ms ease, color 200ms ease;
}

.page-disclaimer .td-toc a:hover,
.page-disclaimer .td-toc a:focus-visible {
  border-left-color: var(--orange);
  color: var(--brown);
}

.page-disclaimer .td-toc__num {
  flex: none;
  font-size: 0.72rem;
  color: var(--orange);
  letter-spacing: 0.06em;
}

.page-disclaimer .td-rail__note {
  margin-top: 1.75rem;
  padding: 1rem 1.1rem;
  background: var(--ink-2);
  border-left: 3px solid var(--cyan);
  color: var(--mist-soft);
  font-size: 0.82rem;
  line-height: 1.8;
}

.page-disclaimer .td-rail__note p {
  margin: 0;
}

.page-disclaimer .td-rail__note p + p {
  margin-top: 0.5rem;
}

.page-disclaimer .td-rail__note strong {
  display: block;
  color: var(--cream);
  font-weight: 600;
  font-size: 0.85rem;
}

/* ---------- 条款正文 ---------- */
.page-disclaimer .td-body {
  min-width: 0;
  max-width: 44rem;
}

.page-disclaimer .td-clause {
  padding-top: 1.75rem;
  margin-top: 1.75rem;
  border-top: 1px solid var(--td-rule-soft);
}

.page-disclaimer .td-clause:first-child {
  padding-top: 0;
  margin-top: 0;
  border-top: 0;
}

.page-disclaimer .td-clause__head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.9rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--td-rule-soft);
}

.page-disclaimer .td-clause__num {
  flex: none;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-disclaimer .td-clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--brown);
}

.page-disclaimer .td-clause p {
  margin: 0.85rem 0 0;
  font-size: 0.98rem;
  line-height: 1.88;
  color: var(--brown);
}

.page-disclaimer .td-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-disclaimer .td-list > li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--brown);
}

.page-disclaimer .td-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 7px;
  height: 7px;
  background: var(--orange);
}

.page-disclaimer .td-list strong {
  font-weight: 600;
}

.page-disclaimer .td-link {
  color: var(--brown);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  transition: color 180ms ease;
}

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

.page-disclaimer .td-inline-link {
  margin-top: 1.1rem;
}

.page-disclaimer .td-inline-link .td-link {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.02em;
}

/* ---------- 版本提示条 ---------- */
.page-disclaimer .td-hint {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 1.1rem 0 0;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--td-muted);
}

.page-disclaimer .td-hint__bar {
  flex: none;
  width: 46px;
  height: 6px;
  background: var(--amber);
}

/* ---------- 版本切换 ---------- */
.page-disclaimer .td-vers {
  margin-top: 1.1rem;
}

.page-disclaimer .td-vers .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  border-bottom: 1px solid var(--td-rule);
  padding-bottom: 0;
  margin-bottom: 1rem;
}

.page-disclaimer .td-vers .tabs__tab {
  appearance: none;
  margin-bottom: -1px;
  padding: 0.5rem 1rem;
  border: 1px solid var(--td-rule);
  border-bottom-color: transparent;
  border-radius: 0;
  background: rgba(33, 26, 22, 0.04);
  color: var(--brown);
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.5;
  cursor: pointer;
  transition: background-color 200ms ease, color 200ms ease, border-color 200ms ease;
}

.page-disclaimer .td-vers .tabs__tab:hover {
  background: rgba(33, 26, 22, 0.09);
}

.page-disclaimer .td-vers .tabs__tab[aria-selected="true"] {
  background: var(--ink-2);
  border-color: var(--ink-2);
  color: var(--cream);
}

.page-disclaimer .td-vers .tabs__panel {
  padding: 0.25rem 0 0;
}

.page-disclaimer .td-spec {
  margin: 0;
  display: grid;
  gap: 0.7rem;
}

.page-disclaimer .td-spec > div {
  display: grid;
  gap: 0.15rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px dashed var(--td-rule-soft);
}

.page-disclaimer .td-spec > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-disclaimer .td-spec dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--td-muted);
}

.page-disclaimer .td-spec dd {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--brown);
}

/* ---------- 维护节奏 ---------- */
.page-disclaimer .td-cadence {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--td-rule);
  border: 1px solid var(--td-rule);
}

.page-disclaimer .td-cadence li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.9rem 1rem;
  background: var(--cream);
}

.page-disclaimer .td-cadence__num {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink-2);
}

.page-disclaimer .td-cadence__label {
  font-size: 0.83rem;
  line-height: 1.5;
  color: var(--td-muted);
}

/* ---------- 联系信息块 ---------- */
.page-disclaimer .td-contactbox {
  margin: 1.25rem 0 0;
  padding: 1rem 1.1rem;
  border: 1px solid var(--td-rule);
  border-left: 3px solid var(--orange);
  background: rgba(255, 255, 255, 0.34);
}

.page-disclaimer .td-contactbox p {
  margin: 0;
}

.page-disclaimer .td-contactbox__k {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--td-muted);
}

.page-disclaimer .td-contactbox__v {
  margin-top: 0.4rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink-2);
  word-break: break-word;
}

.page-disclaimer .td-contactbox__note {
  margin-top: 0.45rem;
  font-size: 0.83rem;
  line-height: 1.7;
  color: var(--td-muted);
}

/* ---------- 结尾行动区 ---------- */
.page-disclaimer .td-cta {
  background: var(--ink);
  border-top: 1px solid var(--hair);
  color: var(--mist);
  padding: clamp(2rem, 5vw, 3.25rem) 0;
}

.page-disclaimer .td-cta__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
}

.page-disclaimer .td-cta__kicker {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-disclaimer .td-cta__title {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.7rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--cream);
}

.page-disclaimer .td-cta__desc {
  margin: 0.6rem 0 0;
  max-width: 34rem;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--mist-dim);
}

.page-disclaimer .td-cta .btn {
  flex: none;
}

/* ---------- 460px 起：联系块与文本行宽优化 ---------- */
@media (min-width: 460px) {
  .page-disclaimer .td-spec > div {
    grid-template-columns: 7.5rem minmax(0, 1fr);
    gap: 1rem;
    align-items: baseline;
  }
}

/* ---------- 640px 起：维护节奏三列 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .td-cadence {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 900px 起：侧轨 + 正文双栏 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .td-hero__grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: clamp(1.75rem, 4vw, 3.5rem);
    align-items: center;
  }

  .page-disclaimer .td-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }

  .page-disclaimer .td-rail {
    position: sticky;
    top: calc(var(--header-h) + 1.25rem);
  }

  .page-disclaimer .td-cta__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 2.5rem;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-disclaimer .td-hero {
    background: #fff;
    background-image: none;
    color: #000;
    border-bottom: 1px solid #999;
  }

  .page-disclaimer .td-hero__title,
  .page-disclaimer .td-hero__intro,
  .page-disclaimer .td-hero__code {
    color: #000;
  }

  .page-disclaimer .td-hero__figure,
  .page-disclaimer .td-rail,
  .page-disclaimer .td-cta {
    display: none;
  }

  .page-disclaimer .td-paper {
    background: #fff;
    color: #000;
    border-top: 1px solid #999;
    padding: 0;
  }

  .page-disclaimer .td-layout {
    display: block;
  }

  .page-disclaimer .td-clause {
    break-inside: avoid;
  }

  .page-disclaimer .td-link {
    color: #000;
    text-decoration: none;
  }
}