.page-disclaimer {
  --disc-measure: 66ch;
  --disc-text: #C7D4E2;
  --disc-mute: rgba(199, 212, 226, .7);
  background-color: var(--c-night);
  color: var(--disc-text);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(22px, 4vw, 44px) clamp(30px, 5vw, 56px);
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .disc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, var(--line-soft) 0 1px, transparent 1px 88px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 82%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 82%);
}

.page-disclaimer .disc-hero__grid {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  align-items: start;
  margin-top: clamp(18px, 3vw, 28px);
  padding: clamp(20px, 3.4vw, 36px) clamp(18px, 3vw, 38px);
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--c-glass);
  backdrop-filter: blur(6px);
}

.page-disclaimer .disc-hero__intro h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.6vw, 46px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.015em;
  color: var(--c-paper);
}

.page-disclaimer .disc-hero__intro .lead {
  margin-top: 16px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--disc-mute);
  max-width: 60ch;
}

.page-disclaimer .disc-hero__facts {
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  display: grid;
  gap: 12px;
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .disc-hero__facts li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  font-size: 13px;
  line-height: 1.5;
}

.page-disclaimer .disc-hero__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-steel);
  flex-shrink: 0;
}

.page-disclaimer .disc-hero__v {
  color: var(--c-paper);
  font-weight: 600;
  text-align: right;
}

.page-disclaimer .disc-hero__figure {
  margin: clamp(22px, 3.4vw, 38px) 0 0;
}

/* ---------- 主体双栏 ---------- */
.page-disclaimer .disc-layout {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  padding-block: clamp(32px, 5vw, 68px) clamp(48px, 6vw, 88px);
}

.page-disclaimer .disc-toc {
  border: 1px solid var(--line-soft);
  background: rgba(18, 58, 92, .34);
  border-radius: var(--r);
  padding: 16px 14px 18px;
}

.page-disclaimer .disc-toc__title {
  margin: 0 0 12px;
  padding-left: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-steel);
}

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

.page-disclaimer .disc-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 9px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--disc-mute);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-disclaimer .disc-toc__link:hover,
.page-disclaimer .disc-toc__link:focus-visible {
  color: var(--c-paper);
  border-left-color: var(--c-saffron);
  background: rgba(244, 241, 232, .05);
}

.page-disclaimer .disc-toc__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--c-saffron);
  flex-shrink: 0;
}

/* ---------- 条款 ---------- */
.page-disclaimer .disc-body {
  max-width: var(--disc-measure);
}

.page-disclaimer .clause {
  padding-block: clamp(26px, 3.6vw, 42px);
  border-top: 1px solid var(--line-soft);
}

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

.page-disclaimer .clause__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin-bottom: 16px;
}

.page-disclaimer .clause__no {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  padding: 3px 8px;
  border: 1px solid rgba(217, 242, 74, .3);
  background: rgba(217, 242, 74, .07);
  color: var(--c-fluo);
  border-radius: var(--r);
}

.page-disclaimer .clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 25px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--c-paper);
}

.page-disclaimer .clause__copy,
.page-disclaimer .disc-copy {
  margin-left: auto;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  padding: 4px 9px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--c-steel);
  border-radius: var(--r);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-disclaimer .disc-copy {
  margin-left: 8px;
  font-size: 10px;
  padding: 3px 7px;
}

.page-disclaimer .clause__copy:hover,
.page-disclaimer .clause__copy:focus-visible,
.page-disclaimer .disc-copy:hover,
.page-disclaimer .disc-copy:focus-visible {
  color: var(--c-fluo);
  border-color: rgba(217, 242, 74, .55);
  background: rgba(217, 242, 74, .06);
}

.page-disclaimer .clause__copy[data-copied],
.page-disclaimer .disc-copy[data-copied] {
  color: var(--c-night);
  background: var(--c-fluo);
  border-color: var(--c-fluo);
}

.page-disclaimer .clause__sub {
  margin: 22px 0 10px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--c-paper);
}

.page-disclaimer .clause__text {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--disc-text);
}

.page-disclaimer .clause__text:last-child {
  margin-bottom: 0;
}

.page-disclaimer .clause__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .clause__list li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--disc-text);
}

.page-disclaimer .clause__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .78em;
  width: 8px;
  height: 1px;
  background: var(--c-saffron);
}

.page-disclaimer .term-mark {
  font-family: var(--font-mono);
  font-size: .92em;
  color: var(--c-paper);
  background: rgba(244, 241, 232, .07);
  border-bottom: 1px solid var(--line);
  padding: 1px 5px;
}

.page-disclaimer .disc-link {
  color: var(--c-fluo);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 242, 74, .4);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

/* ---------- 联系方式 ---------- */
.page-disclaimer .disc-contact {
  margin: 18px 0 18px;
  padding: 14px 16px;
  display: grid;
  gap: 12px;
  border: 1px dashed var(--line);
  border-left: 3px solid var(--c-saffron);
  background: rgba(18, 58, 92, .3);
  border-radius: var(--r);
}

.page-disclaimer .disc-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
}

.page-disclaimer .disc-contact__k {
  flex: 0 0 auto;
  min-width: 78px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--c-steel);
}

.page-disclaimer .disc-contact__v {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .01em;
  color: var(--c-paper);
  overflow-wrap: anywhere;
}

/* ---------- 页尾 ---------- */
.page-disclaimer .disc-foot {
  margin-top: clamp(28px, 4vw, 46px);
  padding-top: 22px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.page-disclaimer .disc-foot__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-steel);
  max-width: 44ch;
}

.page-disclaimer .to-top {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 40;
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .disc-hero__grid {
    grid-template-columns: minmax(0, 1.75fr) minmax(220px, .9fr);
  }

  .page-disclaimer .disc-hero__facts {
    border-top: 0;
    padding-top: 4px;
    padding-left: 22px;
    border-left: 1px solid var(--line-soft);
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .disc-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }

  .page-disclaimer .disc-toc {
    position: sticky;
    top: 132px;
  }
}

@media (max-width: 520px) {
  .page-disclaimer .clause__copy {
    margin-left: 0;
  }

  .page-disclaimer .disc-contact__k {
    min-width: 100%;
  }
}