.page-disclaimer {
  --disc-axis: 48px;
  --disc-line: rgba(53, 227, 224, 0.26);
  --disc-read: 62ch;
}

.page-disclaimer .disc-hero {
  padding-top: clamp(24px, 4.5vw, 48px);
  padding-bottom: clamp(28px, 5vw, 56px);
}

.page-disclaimer .disc-hero-grid {
  display: grid;
  gap: clamp(26px, 4.5vw, 48px);
  align-items: center;
  margin-top: clamp(18px, 3vw, 30px);
}

.page-disclaimer .disc-hero-copy h1 {
  margin: 12px 0 0;
  font-size: clamp(2.15rem, 6.4vw, 3.9rem);
  line-height: 1.08;
  letter-spacing: -0.022em;
}

.page-disclaimer .disc-lede {
  max-width: 54ch;
  margin-top: 20px;
  color: var(--mist);
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.85;
}

.page-disclaimer .disc-hero-media {
  width: 100%;
  max-width: 430px;
  margin: 0;
  justify-self: start;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius);
  border: 1px solid var(--neon-16);
  overflow: hidden;
  transform: rotate(-1.1deg);
  box-shadow: 0 24px 60px -30px rgba(0, 0, 0, 0.8);
}

.page-disclaimer .disc-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 竖向时间轴 ---------- */

.page-disclaimer .disc-timeline {
  position: relative;
  display: grid;
  gap: clamp(34px, 5.2vw, 62px);
  margin-top: clamp(40px, 7vw, 84px);
  padding-bottom: clamp(10px, 2vw, 20px);
}

.page-disclaimer .disc-timeline::before {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: calc(var(--disc-axis) / 2);
  width: 1px;
  transform: translateX(-50%);
  background: linear-gradient(
    180deg,
    transparent 0%,
    var(--disc-line) 7%,
    var(--disc-line) 90%,
    transparent 100%
  );
  pointer-events: none;
}

.page-disclaimer .disc-node {
  display: grid;
  grid-template-columns: var(--disc-axis) minmax(0, 1fr);
  column-gap: clamp(14px, 2.6vw, 30px);
  align-items: start;
}

.page-disclaimer .disc-node-rail {
  display: flex;
  justify-content: flex-start;
}

.page-disclaimer .disc-num {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  flex: none;
  border-radius: 50%;
  background: var(--ink-800);
  border: 1px solid var(--neon-28);
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  transition: transform 220ms ease, border-color 220ms ease;
}

.page-disclaimer .disc-node:hover .disc-num {
  transform: translateY(-3px);
  border-color: var(--neon);
}

.page-disclaimer .disc-node-body {
  max-width: var(--disc-read);
  padding-top: 4px;
}

.page-disclaimer .disc-node-body h2 {
  margin: 0 0 14px;
  font-size: clamp(1.22rem, 2.5vw, 1.55rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.page-disclaimer .disc-node-body p {
  margin: 0 0 14px;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.85;
}

.page-disclaimer .disc-node-body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .disc-node-body a {
  color: var(--neon);
  text-decoration: underline;
  text-decoration-color: var(--neon-28);
  text-underline-offset: 3px;
}

.page-disclaimer .disc-node-body a:hover {
  text-decoration-color: var(--neon);
}

/* ---------- 浅色条文块 ---------- */

.page-disclaimer .disc-note {
  max-width: var(--disc-read);
  margin-top: 20px;
  padding: clamp(16px, 2.6vw, 22px) clamp(18px, 3vw, 26px);
  background: var(--paper);
  color: var(--paper-ink);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--amber);
}

.page-disclaimer .disc-note p {
  margin: 0;
  color: var(--paper-ink);
  font-size: 0.95rem;
  line-height: 1.8;
}

.page-disclaimer .disc-note a {
  color: var(--paper-link);
  text-decoration-color: var(--amber-38);
}

/* ---------- 可展开细看 ---------- */

.page-disclaimer .disc-more {
  max-width: var(--disc-read);
  margin-top: 18px;
  background: var(--ink-700);
  border: 1px solid var(--ink-600);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-disclaimer .disc-more summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.02em;
}

.page-disclaimer .disc-more summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .disc-more summary::before {
  content: "+";
  font-size: 1.05rem;
  line-height: 1;
  color: var(--amber);
}

.page-disclaimer .disc-more[open] summary::before {
  content: "–";
}

.page-disclaimer .disc-more summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: -2px;
}

.page-disclaimer .disc-more-body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--ink-600);
}

.page-disclaimer .disc-more-body p {
  margin: 14px 0 0;
  color: var(--mist);
  font-size: 0.9rem;
  line-height: 1.8;
}

.page-disclaimer .disc-more-body .disc-quote {
  padding: 12px 14px;
  background: var(--ink-800);
  border-left: 2px solid var(--amber-38);
  border-radius: 8px;
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.01em;
  overflow-wrap: anywhere;
}

/* ---------- 页尾双入口 ---------- */

.page-disclaimer .disc-exit {
  margin-top: clamp(48px, 7.5vw, 88px);
  padding: clamp(26px, 4.6vw, 46px);
  border-radius: var(--radius);
  border: 1px solid var(--ink-600);
  background:
    radial-gradient(130% 150% at 100% 0%, var(--neon-08), transparent 62%),
    var(--ink-700);
}

.page-disclaimer .disc-exit h2 {
  margin: 0;
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.page-disclaimer .disc-exit p {
  max-width: 46ch;
  margin: 14px 0 0;
  color: var(--mist);
  font-size: 0.98rem;
  line-height: 1.8;
}

.page-disclaimer .disc-exit-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 回到顶部 ---------- */

.page-disclaimer .disc-top {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 40;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--ink-700);
  border: 1px solid var(--neon-28);
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
  text-decoration: none;
  backdrop-filter: blur(6px);
  transition: transform 200ms ease, border-color 200ms ease;
}

.page-disclaimer .disc-top:hover {
  transform: translateY(-3px);
  border-color: var(--neon);
}

.page-disclaimer .disc-top:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

/* ---------- 断点 ---------- */

@media (min-width: 900px) {
  .page-disclaimer .disc-hero-grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
  }

  .page-disclaimer .disc-hero-media {
    max-width: 100%;
    justify-self: end;
  }

  .page-disclaimer .disc-exit-actions {
    margin-top: 28px;
  }
}

@media (max-width: 560px) {
  .page-disclaimer {
    --disc-axis: 38px;
  }

  .page-disclaimer .disc-num {
    width: 36px;
    height: 36px;
    font-size: 0.72rem;
  }

  .page-disclaimer .disc-node-body {
    padding-top: 0;
  }

  .page-disclaimer .disc-node-body h2 {
    margin-bottom: 10px;
  }

  .page-disclaimer .disc-hero-media {
    transform: none;
    max-width: 100%;
  }

  .page-disclaimer .disc-exit {
    padding: 24px 20px;
  }

  .page-disclaimer .disc-exit-actions {
    flex-direction: column;
  }

  .page-disclaimer .disc-exit-actions .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .page-disclaimer .disc-top {
    width: 42px;
    height: 42px;
    font-size: 0.92rem;
  }
}