.page-disclaimer {
  --disc-rule: 1px solid var(--navy-700);
  --disc-glow: rgba(74, 43, 217, 0.42);
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disclaimer-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: var(--sp-6) 0 var(--sp-5);
}

.page-disclaimer .disclaimer-hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -18%;
  width: min(620px, 78vw);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 50% 50%, var(--disc-glow), transparent 64%);
  pointer-events: none;
  z-index: -1;
}

.page-disclaimer .disclaimer-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: min(280px, 46vw);
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  pointer-events: none;
}

.page-disclaimer .disclaimer-hero-text {
  max-width: 46rem;
  margin-top: var(--sp-5);
}

.page-disclaimer .disclaimer-hero-text .eyebrow {
  margin-bottom: var(--sp-3);
}

.page-disclaimer .disclaimer-hero-text .lede {
  margin-top: var(--sp-4);
  max-width: 34rem;
  color: var(--steel);
}

.page-disclaimer .hl {
  display: inline-block;
  padding: 0.02em 0.2em 0.1em;
  border-radius: 4px;
  background: linear-gradient(96deg, rgba(74, 43, 217, 0.95), rgba(34, 230, 208, 0.5));
  color: var(--white);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.page-disclaimer .disclaimer-banner {
  margin-top: var(--sp-6);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-disclaimer .disclaimer-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  object-position: center;
}

/* ---------- 条款骨架 ---------- */
.page-disclaimer .clauses {
  padding: var(--sp-4) 0 var(--sp-6);
}

.page-disclaimer .clause {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-3);
  padding: var(--sp-6) 0;
  border-top: var(--disc-rule);
}

.page-disclaimer .clause:first-of-type {
  border-top: 0;
  padding-top: var(--sp-4);
}

.page-disclaimer .clause-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(34px, 8vw, 46px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: 0.02em;
  color: var(--steel);
  text-decoration: none;
  transition: color 0.25s ease;
}

.page-disclaimer .clause-num:hover,
.page-disclaimer .clause-num:focus-visible {
  color: var(--violet-500);
}

.page-disclaimer .clause-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3.6vw, 32px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-disclaimer .clause-body {
  margin-top: var(--sp-4);
}

.page-disclaimer .clause-body p {
  max-width: 38em;
  font-size: var(--fs-3);
  line-height: 1.78;
  color: var(--mist);
}

.page-disclaimer .clause-body p + p,
.page-disclaimer .clause-body p + ul,
.page-disclaimer .clause-body ul + p {
  margin-top: var(--sp-4);
}

.page-disclaimer .clause-body a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-color: rgba(34, 230, 208, 0.42);
  text-underline-offset: 4px;
  transition: text-decoration-color 0.2s ease;
  overflow-wrap: anywhere;
}

.page-disclaimer .clause-body a:hover,
.page-disclaimer .clause-body a:focus-visible {
  text-decoration-color: var(--cyan);
}

.page-disclaimer .keynum {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

/* ---------- 要点列表 ---------- */
.page-disclaimer .notice-list {
  list-style: none;
  display: grid;
  gap: var(--sp-2);
  margin: 0;
  padding: 0;
}

.page-disclaimer .notice-list li {
  position: relative;
  max-width: 38em;
  padding-left: var(--sp-4);
  font-size: var(--fs-3);
  line-height: 1.72;
  color: var(--mist);
}

.page-disclaimer .notice-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 12px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
}

.page-disclaimer .notice-list strong {
  color: var(--white);
  font-weight: 700;
}

/* ---------- 版本刻度 ---------- */
.page-disclaimer .timeline {
  margin: var(--sp-5) 0;
  padding: 0;
}

.page-disclaimer .timeline-list {
  list-style: none;
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-2);
  margin: 0;
  padding: 44px 0 0;
}

.page-disclaimer .timeline-list::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 16px;
  height: 1px;
  background: linear-gradient(90deg, var(--navy-700) 0%, var(--violet) 58%, var(--cyan) 100%);
}

.page-disclaimer .timeline-node {
  position: relative;
  display: grid;
  align-content: start;
  gap: 6px;
}

.page-disclaimer .timeline-node::before {
  content: "";
  position: absolute;
  top: -34px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--navy-700);
}

.page-disclaimer .timeline-node--current::before {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(34, 230, 208, 0.18);
}

.page-disclaimer .timeline-ver {
  font-size: var(--fs-2);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--white);
}

.page-disclaimer .timeline-node--current .timeline-ver {
  color: var(--cyan);
}

.page-disclaimer .timeline-note {
  font-size: var(--fs-1);
  line-height: 1.62;
  color: var(--steel);
}

/* ---------- 回顶按钮 ---------- */
.page-disclaimer .disclaimer-top {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 40;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--navy-700);
  border-radius: var(--radius-pill);
  background: rgba(14, 22, 51, 0.94);
  color: var(--cyan);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease,
    border-color 0.2s ease;
}

.page-disclaimer .disclaimer-top[data-visible="true"] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.page-disclaimer .disclaimer-top:hover,
.page-disclaimer .disclaimer-top:focus-visible {
  border-color: var(--cyan);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .clauses {
    padding: var(--sp-5) 0 var(--sp-8);
  }

  .page-disclaimer .clause {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: var(--sp-6);
    padding: var(--sp-7) 0;
  }

  .page-disclaimer .clause:first-of-type {
    padding-top: var(--sp-5);
  }

  .page-disclaimer .clause-num {
    font-size: 64px;
    position: sticky;
    top: calc(var(--header-h) + var(--sp-4));
  }

  .page-disclaimer .clause-title {
    font-size: clamp(26px, 3vw, 34px);
  }

  .page-disclaimer .clause-body {
    margin-top: var(--sp-5);
  }

  .page-disclaimer .disclaimer-hero {
    padding: var(--sp-7) 0 var(--sp-5);
  }

  .page-disclaimer .disclaimer-hero-text {
    margin-top: var(--sp-6);
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 1200px) {
  .page-disclaimer .clause {
    grid-template-columns: 176px minmax(0, 1fr);
  }

  .page-disclaimer .clause-num {
    font-size: 76px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disclaimer-top,
  .page-disclaimer .clause-num,
  .page-disclaimer .clause-body a {
    transition: none;
  }
}