.page-disclaimer {
  --ud-col: 128px;
  --ud-gap: 28px;
  display: block;
  background:
    radial-gradient(120% 70% at 84% -12%, rgba(53, 224, 214, .10), transparent 58%),
    radial-gradient(90% 60% at 0% 100%, rgba(255, 90, 31, .07), transparent 62%),
    var(--bd-deep);
  color: var(--bd-white);
  font-family: var(--bd-font);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .ud-hero {
  padding: var(--bd-edge) 0 0;
}

.page-disclaimer .bd-crumbs {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--bd-grey);
  padding: 8px 0 0;
}

.page-disclaimer .bd-crumbs a {
  color: var(--bd-grey);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .15s var(--bd-ease), border-color .15s var(--bd-ease);
}

.page-disclaimer .bd-crumbs a:hover,
.page-disclaimer .bd-crumbs a:focus-visible {
  color: var(--bd-white);
  border-bottom-color: var(--bd-orange);
}

.page-disclaimer .bd-crumbs span[aria-hidden] {
  margin: 0 8px;
  color: var(--bd-line);
}

.page-disclaimer .ud-hero__grid {
  display: grid;
  gap: 24px;
  padding: 20px 0 34px;
}

.page-disclaimer .ud-hero__title {
  font-size: clamp(54px, 15vw, 108px);
  line-height: .92;
  font-weight: 300;
  letter-spacing: .01em;
  margin: .18em 0 .28em;
}

.page-disclaimer .ud-lede {
  max-width: 42ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--bd-grey);
}

.page-disclaimer .ud-hero__side {
  border-left: 2px solid var(--bd-orange);
  padding-left: 16px;
}

.page-disclaimer .ud-hero__ver {
  margin: 0 0 8px;
  font-family: var(--bd-mono);
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--bd-grey);
}

.page-disclaimer .ud-hero__ver b {
  display: block;
  margin-top: 6px;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--bd-white);
}

.page-disclaimer .ud-hero__note {
  margin: 0;
  max-width: 34ch;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--bd-grey);
}

.page-disclaimer .ud-shot {
  position: relative;
  margin: 0;
  border-top: 1px solid var(--bd-line);
  border-bottom: 1px solid var(--bd-line);
  background:
    repeating-linear-gradient(90deg, rgba(30, 53, 87, .55) 0 1px, transparent 1px 72px),
    var(--bd-midnight);
}

.page-disclaimer .ud-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1400 / 600;
  object-fit: cover;
  opacity: .78;
}

.page-disclaimer .ud-shot figcaption {
  position: absolute;
  left: var(--bd-edge);
  bottom: var(--bd-edge);
  max-width: 30ch;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--bd-grey);
}

/* ---------- 数字锚点 ---------- */
.page-disclaimer .ud-metrics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-bottom: 1px solid var(--bd-line);
}

.page-disclaimer .ud-metrics__cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 24px var(--bd-edge);
  border-top: 1px solid var(--bd-line);
}

.page-disclaimer .ud-metrics__cell:first-child {
  border-top: 0;
}

.page-disclaimer .ud-metrics__num {
  font-family: var(--bd-mono);
  font-size: clamp(40px, 11vw, 60px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--bd-white);
}

.page-disclaimer .ud-metrics__unit {
  margin-left: 4px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--bd-cyan);
}

.page-disclaimer .ud-metrics__label {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--bd-grey);
}

/* ---------- 条目索引 ---------- */
.page-disclaimer .ud-index {
  position: sticky;
  top: var(--bd-bar);
  z-index: 6;
  background: rgba(10, 26, 47, .92);
  border-bottom: 1px solid var(--bd-line);
  backdrop-filter: blur(10px);
}

.page-disclaimer .ud-index__list {
  list-style: none;
  margin: 0;
  padding-top: 12px;
  padding-bottom: 12px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-disclaimer .ud-index__list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .ud-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 6px 12px;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--bd-grey);
  text-decoration: none;
  border: 1px solid var(--bd-line);
  border-radius: var(--bd-radius);
  transition: color .15s var(--bd-ease), border-color .15s var(--bd-ease), background .15s var(--bd-ease);
}

.page-disclaimer .ud-index__list a:hover,
.page-disclaimer .ud-index__list a:focus-visible {
  color: var(--bd-white);
  border-color: var(--bd-cyan);
  background: var(--bd-glass);
}

.page-disclaimer .ud-index__num {
  font-family: var(--bd-mono);
  font-size: 12px;
  color: var(--bd-orange);
}

/* ---------- 规则主体 ---------- */
.page-disclaimer .ud-body {
  padding-top: 8px;
  padding-bottom: 8px;
}

.page-disclaimer .ud-rule {
  padding: 44px 0 12px;
  border-bottom: 1px solid var(--bd-line);
}

.page-disclaimer .ud-rule:last-of-type {
  border-bottom: 0;
}

.page-disclaimer .ud-rule__inner {
  display: grid;
  gap: 18px;
}

.page-disclaimer .ud-rule__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-disclaimer .ud-rule__num {
  margin: 0;
  font-family: var(--bd-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--bd-orange);
}

.page-disclaimer .ud-rule__tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--bd-grey);
}

.page-disclaimer .ud-rule__body h2 {
  margin: 0 0 12px;
  font-size: clamp(26px, 6vw, 34px);
  font-weight: 500;
  letter-spacing: .01em;
}

.page-disclaimer .ud-rule__intro {
  max-width: 40ch;
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--bd-grey);
}

.page-disclaimer .ud-item {
  position: relative;
  padding: 18px 0 18px 22px;
  border-top: 1px solid var(--bd-line);
}

.page-disclaimer .ud-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 27px;
  width: 8px;
  height: 2px;
  background: var(--bd-cyan);
  transition: width .18s var(--bd-ease), background .18s var(--bd-ease);
}

.page-disclaimer .ud-item:hover::before {
  width: 16px;
  background: var(--bd-orange);
}

.page-disclaimer .ud-item__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--bd-white);
  transition: color .15s var(--bd-ease);
}

.page-disclaimer .ud-item:hover .ud-item__title {
  color: var(--bd-cyan);
}

.page-disclaimer .ud-item__text {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--bd-grey);
}

.page-disclaimer .ud-item__eg {
  margin: 12px 0 0;
  max-width: 34em;
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--bd-white);
  background: var(--bd-glass);
  border-left: 2px solid var(--bd-line);
  border-radius: var(--bd-radius);
}

/* ---------- 交叉提示 ---------- */
.page-disclaimer .ud-cross {
  margin-top: 40px;
  padding: 44px 0 72px;
  border-top: 1px solid var(--bd-line);
  background:
    repeating-linear-gradient(0deg, rgba(30, 53, 87, .35) 0 1px, transparent 1px 96px);
}

.page-disclaimer .ud-cross h2 {
  margin: 6px 0 24px;
  font-size: clamp(24px, 5.5vw, 30px);
  font-weight: 500;
}

.page-disclaimer .ud-cross__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-disclaimer .ud-cross__item a {
  display: block;
  padding: 16px 14px;
  font-size: 17px;
  font-weight: 500;
  color: var(--bd-white);
  text-decoration: none;
  border: 1px solid var(--bd-line);
  border-radius: var(--bd-radius);
  background: var(--bd-panel);
  transition: transform .15s var(--bd-ease), border-color .15s var(--bd-ease), background .15s var(--bd-ease);
}

.page-disclaimer .ud-cross__item a:hover,
.page-disclaimer .ud-cross__item a:focus-visible {
  transform: translateY(-4px);
  border-color: var(--bd-orange);
  background: var(--bd-glass);
}

.page-disclaimer .ud-cross__hint {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--bd-grey);
}

/* ---------- 锚点定位留白 ---------- */
.page-disclaimer .ud-rule {
  scroll-margin-top: calc(var(--bd-bar) + 72px);
}

/* ---------- 窄屏细节 ---------- */
@media (max-width: 420px) {
  .page-disclaimer .ud-hero__title {
    font-size: clamp(44px, 17vw, 62px);
  }

  .page-disclaimer .ud-item {
    padding-left: 18px;
  }
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .ud-hero__grid {
    grid-template-columns: minmax(0, 1fr) 230px;
    align-items: end;
    gap: 40px;
    padding: 34px 0 48px;
  }

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

  .page-disclaimer .ud-metrics__cell {
    border-top: 0;
    border-left: 1px solid var(--bd-line);
    padding: 34px var(--bd-edge);
  }

  .page-disclaimer .ud-metrics__cell:first-child {
    border-left: 0;
  }

  .page-disclaimer .ud-cross__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }
}

/* ---------- 桌面双栏对照 ---------- */
@media (min-width: 960px) {
  .page-disclaimer .ud-rule {
    padding: 64px 0 20px;
  }

  .page-disclaimer .ud-rule__inner {
    grid-template-columns: var(--ud-col) minmax(0, 1fr);
    gap: var(--ud-gap);
  }

  .page-disclaimer .ud-rule__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    align-self: start;
    position: sticky;
    top: calc(var(--bd-bar) + 78px);
    padding-top: 14px;
    border-top: 2px solid var(--bd-orange);
  }

  .page-disclaimer .ud-rule__tag {
    writing-mode: vertical-rl;
    text-orientation: upright;
    letter-spacing: .3em;
    padding: 4px 0;
  }

  .page-disclaimer .ud-rule__body {
    padding-left: var(--ud-gap);
    border-left: 1px solid var(--bd-line);
  }

  .page-disclaimer .ud-rule__body h2 {
    margin-top: -6px;
  }

  .page-disclaimer .ud-item__title {
    font-size: 19px;
  }
}
</style>