.page-disclaimer {
  --ds-hang: 2.6rem;
  --ds-line: rgba(58, 42, 33, 0.16);
  --ds-line-2: rgba(58, 42, 33, 0.34);
  --ds-cream: rgba(251, 247, 239, 0.86);
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.75;
}

.page-disclaimer .ds-hero {
  border-bottom: 1px solid var(--ds-line-2);
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0 47px,
    rgba(58, 42, 33, 0.05) 47px 48px
  );
}

.page-disclaimer .ds-hero__inner {
  padding-top: 22px;
  padding-bottom: 44px;
}

.page-disclaimer .ds-hero__grid {
  display: grid;
  gap: 30px;
  margin-top: 24px;
}

.page-disclaimer .ds-hero__kicker {
  color: var(--gold-900);
  margin: 0 0 14px;
}

.page-disclaimer .ds-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.6rem, 11vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  color: var(--gold-900);
  background-image: linear-gradient(
    150deg,
    var(--gold-300) 0%,
    var(--gold-600) 46%,
    var(--gold-900) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-disclaimer .ds-hero__intro {
  max-width: 58ch;
  margin: 0 0 12px;
  font-size: 1.0625rem;
  color: var(--umber-700);
}

.page-disclaimer .ds-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 22px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--ds-line);
  list-style: none;
  font-size: 13px;
  color: var(--slate-500);
}

.page-disclaimer .ds-hero__meta .data-num {
  margin-right: 6px;
  color: var(--gold-900);
  font-weight: 500;
}

.page-disclaimer .ds-hero__figure {
  margin: 0;
  border: 1px solid var(--ds-line-2);
  background: var(--parchment-100);
}

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

/* ---------- 主体布局 ---------- */

.page-disclaimer .ds-layout {
  padding-top: 38px;
  padding-bottom: 52px;
}

.page-disclaimer .ds-toc {
  margin-bottom: 34px;
}

.page-disclaimer .ds-toc__label {
  margin: 0 0 10px;
  color: var(--slate-500);
}

.page-disclaimer .ds-toc__list {
  display: flex;
  gap: 0;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  border-bottom: 1px solid var(--ds-line);
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .ds-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 16px 9px 0;
  white-space: nowrap;
  color: var(--slate-500);
  text-decoration: none;
  font-size: 14px;
  border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .ds-toc__link:hover,
.page-disclaimer .ds-toc__link:focus-visible {
  color: var(--crimson-500);
  border-bottom-color: var(--crimson-500);
  outline: none;
}

.page-disclaimer .ds-toc__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold-900);
}

.page-disclaimer .ds-body {
  max-width: 62rem;
}

/* ---------- 条款 ---------- */

.page-disclaimer .ds-clause {
  padding-bottom: 40px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--ds-line);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-disclaimer .ds-clause:last-of-type {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-disclaimer .ds-clause__head {
  display: grid;
  grid-template-columns: var(--ds-hang) minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  margin-bottom: 18px;
}

.page-disclaimer .ds-clause__no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--crimson-500);
  padding-top: 5px;
}

.page-disclaimer .ds-clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--ink-900);
}

.page-disclaimer .ds-p {
  display: grid;
  grid-template-columns: var(--ds-hang) minmax(0, 1fr);
  gap: 12px;
  margin: 0 0 14px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--umber-700);
}

.page-disclaimer .ds-p__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate-500);
  padding-top: 6px;
}

/* ---------- 三类来源标注 ---------- */

.page-disclaimer .ds-sources {
  display: grid;
  gap: 1px;
  margin: 22px 0 22px;
  background: var(--ds-line-2);
  border: 1px solid var(--ds-line-2);
}

.page-disclaimer .ds-source {
  background: var(--cream-50);
  padding: 18px 18px 20px;
  outline: none;
  transition: background var(--dur) var(--ease);
}

.page-disclaimer .ds-source:hover,
.page-disclaimer .ds-source:focus {
  background: var(--parchment-100);
}

.page-disclaimer .ds-source:focus-visible {
  outline: 2px solid var(--gold-600);
  outline-offset: -2px;
}

.page-disclaimer .ds-source__tag {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-gold);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--gold-900);
}

.page-disclaimer .ds-source__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-disclaimer .ds-source__desc {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--umber-700);
}

.page-disclaimer .ds-source__detail {
  margin: 0;
  max-height: 0;
  padding-top: 0;
  overflow: hidden;
  opacity: 0;
  border-top: 1px solid transparent;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--slate-500);
  transition: max-height var(--dur) var(--ease), opacity var(--dur) var(--ease),
    margin var(--dur) var(--ease), padding var(--dur) var(--ease);
}

.page-disclaimer .ds-source:hover .ds-source__detail,
.page-disclaimer .ds-source:focus .ds-source__detail,
.page-disclaimer .ds-source:focus-within .ds-source__detail {
  max-height: 14rem;
  margin-top: 14px;
  padding-top: 10px;
  opacity: 1;
  border-top-color: var(--ds-line);
}

/* ---------- 深红收尾色带 ---------- */

.page-disclaimer .ds-band {
  position: relative;
  overflow: hidden;
  padding: 50px 0 54px;
  background: var(--crimson-700);
  color: var(--cream-50);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-disclaimer .ds-band::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to right,
    rgba(231, 200, 115, 0.14) 0 1px,
    transparent 1px 72px
  );
}

.page-disclaimer .ds-band__inner {
  position: relative;
}

.page-disclaimer .ds-band__label {
  margin: 0 0 14px;
  color: var(--gold-300);
}

.page-disclaimer .ds-band__title {
  margin: 0 0 26px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 5.2vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--cream-50);
}

.page-disclaimer .ds-band__grid {
  display: grid;
  gap: 20px;
}

.page-disclaimer .ds-band__cell {
  padding-top: 18px;
  border-top: 1px solid var(--line-cream);
}

.page-disclaimer .ds-band__cell-no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--gold-300);
}

.page-disclaimer .ds-band__cell-text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ds-cream);
}

.page-disclaimer .ds-band__cell-text a {
  color: var(--gold-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .ds-band__cell-text a:hover,
.page-disclaimer .ds-band__cell-text a:focus-visible {
  color: var(--cream-50);
  outline: none;
}

/* ---------- 页脚前一行 ---------- */

.page-disclaimer .ds-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  align-items: center;
  justify-content: space-between;
  padding-top: 30px;
  padding-bottom: 54px;
}

.page-disclaimer .ds-foot__top {
  text-decoration: none;
}

.page-disclaimer .ds-foot__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.9;
  color: var(--slate-500);
}

.page-disclaimer .ds-foot__note a {
  color: var(--crimson-500);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .ds-foot__note a:hover,
.page-disclaimer .ds-foot__note a:focus-visible {
  color: var(--crimson-700);
  outline: none;
}

/* ---------- 窄屏 ---------- */

@media (max-width: 719px) {
  .page-disclaimer .ds-hero__inner {
    padding-bottom: 34px;
  }

  .page-disclaimer .ds-hero__title {
    letter-spacing: -0.01em;
  }

  .page-disclaimer .ds-hero__intro {
    font-size: 1rem;
  }

  .page-disclaimer .ds-clause {
    padding-bottom: 32px;
    margin-bottom: 32px;
  }

  .page-disclaimer .ds-p {
    font-size: 0.9375rem;
    line-height: 1.78;
  }

  .page-disclaimer .ds-band {
    padding: 40px 0 44px;
  }

  .page-disclaimer .ds-foot {
    padding-bottom: 40px;
  }

  .page-disclaimer .ds-foot__note {
    font-size: 12px;
  }
}

/* ---------- 中屏 ---------- */

@media (min-width: 720px) {
  .page-disclaimer {
    --ds-hang: 3.4rem;
  }

  .page-disclaimer .ds-hero__inner {
    padding-top: 30px;
    padding-bottom: 56px;
  }

  .page-disclaimer .ds-hero__grid {
    gap: 38px;
  }

  .page-disclaimer .ds-sources {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .ds-band__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-disclaimer .ds-band__cell {
    padding: 22px 24px 0 0;
  }

  .page-disclaimer .ds-band__cell + .ds-band__cell {
    padding-left: 24px;
    border-left: 1px solid var(--line-cream);
  }

  .page-disclaimer .ds-band__title {
    margin-bottom: 30px;
  }
}

/* ---------- 宽屏：左侧固定条款索引 ---------- */

@media (min-width: 1040px) {
  .page-disclaimer .ds-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 420px);
    gap: 64px;
    align-items: end;
  }

  .page-disclaimer .ds-layout {
    display: grid;
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 72px;
    align-items: start;
    padding-top: 60px;
    padding-bottom: 76px;
  }

  .page-disclaimer .ds-toc {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    margin-bottom: 0;
    padding-left: 18px;
    border-left: 1px solid var(--ds-line);
  }

  .page-disclaimer .ds-toc__label {
    margin-bottom: 14px;
  }

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

  .page-disclaimer .ds-toc__link {
    display: flex;
    padding: 9px 0;
    white-space: normal;
    border-bottom: 0;
  }

  .page-disclaimer .ds-clause {
    padding-bottom: 48px;
    margin-bottom: 48px;
  }

  .page-disclaimer .ds-p {
    max-width: 74ch;
  }
}

/* ---------- 触摸设备：细则常显 ---------- */

@media (hover: none) {
  .page-disclaimer .ds-source__detail {
    max-height: 14rem;
    margin-top: 14px;
    padding-top: 10px;
    opacity: 1;
    border-top-color: var(--ds-line);
  }
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .ds-toc__link,
  .page-disclaimer .ds-source,
  .page-disclaimer .ds-source__detail {
    transition: none;
  }
}