.page-disclaimer {
  --d-rule: rgba(38, 45, 54, 0.95);
  --d-rule-soft: rgba(38, 45, 54, 0.6);
  --d-key: var(--orange);
  position: relative;
  padding-block: 0 88px;
  color: var(--mist);
  overflow-x: clip;
}

.page-disclaimer .disclaimer-progress {
  position: fixed;
  inset-inline: 0;
  top: 0;
  height: 3px;
  z-index: 60;
  background: rgba(10, 12, 16, 0.6);
  pointer-events: none;
}

.page-disclaimer .disclaimer-progress-bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--blue) 0%, var(--cyan) 52%, var(--amber) 100%);
  transition: transform 120ms linear;
}

.page-disclaimer .disclaimer-crumbs {
  padding-block: 26px 4px;
}

/* ---------- 首屏 ---------- */

.page-disclaimer .disclaimer-hero {
  display: grid;
  gap: 28px;
  padding-block: 20px 40px;
  border-bottom: 1px solid var(--d-rule);
}

.page-disclaimer .disclaimer-title {
  margin: 12px 0 0;
  max-width: 22ch;
  font-family: var(--font-head);
  font-size: clamp(28px, 6.4vw, 52px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-disclaimer .disclaimer-title::after {
  content: "";
  display: block;
  width: 68px;
  height: 4px;
  margin-top: 20px;
  background: linear-gradient(90deg, var(--orange), var(--cyan));
}

.page-disclaimer .disclaimer-lede {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-disclaimer .disclaimer-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--muted);
}

.page-disclaimer .disclaimer-hero-meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--d-rule);
  border-radius: 2px;
  background: rgba(18, 22, 28, 0.7);
}

.page-disclaimer .disclaimer-hero-meta .mono {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-disclaimer .disclaimer-hero-figure {
  position: relative;
  margin: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--d-rule);
  background: var(--slate-2);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

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

.page-disclaimer .disclaimer-hero-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(160deg, rgba(41, 224, 200, 0.16) 0%, rgba(10, 12, 16, 0) 46%, rgba(122, 91, 255, 0.2) 100%);
}

@media (min-width: 960px) {
  .page-disclaimer .disclaimer-hero {
    grid-template-columns: 7fr 5fr;
    align-items: end;
    gap: 40px;
    padding-block: 28px 56px;
  }

  .page-disclaimer .disclaimer-hero-copy {
    grid-column: 1;
  }

  .page-disclaimer .disclaimer-hero-figure {
    grid-column: 2;
    aspect-ratio: 4 / 3;
  }
}

/* ---------- 章节 ---------- */

.page-disclaimer .disclaimer-section {
  padding-block: 48px 0;
}

.page-disclaimer .disclaimer-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 16px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--d-rule);
}

.page-disclaimer .disclaimer-head .section-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(19px, 2.8vw, 27px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-disclaimer .disclaimer-check {
  position: relative;
  flex: 0 0 auto;
  width: 17px;
  height: 17px;
  border: 1px solid var(--cyan);
  border-radius: 2px;
  box-shadow: var(--glow-cyan);
}

.page-disclaimer .disclaimer-check::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 3px;
  width: 7px;
  height: 4px;
  border-left: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(-45deg);
}

/* ---------- 条目 ---------- */

.page-disclaimer .disclaimer-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disclaimer-item {
  position: relative;
  padding: 20px 8px 20px 74px;
  border-bottom: 1px solid var(--d-rule-soft);
  transition: background-color 180ms var(--ease);
}

.page-disclaimer .disclaimer-item:hover {
  background-color: rgba(18, 22, 28, 0.85);
}

.page-disclaimer .disclaimer-item--key {
  box-shadow: inset 3px 0 0 var(--d-key);
}

.page-disclaimer .disclaimer-num {
  position: absolute;
  left: 18px;
  top: 23px;
  width: 44px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-disclaimer .disclaimer-item--key .disclaimer-num {
  color: var(--amber);
  text-shadow: var(--glow-amber);
}

.page-disclaimer .disclaimer-text {
  margin: 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-disclaimer .disclaimer-anchor {
  position: absolute;
  left: -30px;
  top: 20px;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  color: var(--cyan);
  text-decoration: none;
  border: 1px solid var(--graphite);
  border-radius: 2px;
  background: var(--slate-2);
  opacity: 0;
  transform: translateX(6px);
  transition: opacity 180ms var(--ease), transform 180ms var(--ease), border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-disclaimer .disclaimer-item:hover .disclaimer-anchor,
.page-disclaimer .disclaimer-item:focus-within .disclaimer-anchor {
  opacity: 1;
  transform: translateX(0);
}

.page-disclaimer .disclaimer-anchor:hover,
.page-disclaimer .disclaimer-anchor:focus-visible {
  border-color: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.page-disclaimer .disclaimer-anchor:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 底部 ---------- */

.page-disclaimer .disclaimer-foot {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 60px;
  padding: 28px 0 0;
  border-top: 1px solid var(--d-rule);
}

.page-disclaimer .disclaimer-foot-text p {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-disclaimer .disclaimer-foot-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 760px) {
  .page-disclaimer .disclaimer-item {
    padding: 22px 16px 22px 84px;
  }

  .page-disclaimer .disclaimer-num {
    left: 22px;
    top: 25px;
  }

  .page-disclaimer .disclaimer-foot {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
  }
}

@media (max-width: 640px) {
  .page-disclaimer {
    padding-bottom: 56px;
  }

  .page-disclaimer .disclaimer-section {
    padding-block: 36px 0;
  }

  .page-disclaimer .disclaimer-item {
    padding: 18px 4px 18px 56px;
  }

  .page-disclaimer .disclaimer-num {
    left: 4px;
    top: 21px;
    width: 40px;
  }

  .page-disclaimer .disclaimer-anchor {
    display: none;
  }

  .page-disclaimer .disclaimer-text {
    font-size: 15px;
    line-height: 1.75;
  }

  .page-disclaimer .disclaimer-hero-meta {
    gap: 8px 12px;
  }

  .page-disclaimer .disclaimer-hero-meta li {
    padding: 5px 10px;
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disclaimer-progress-bar,
  .page-disclaimer .disclaimer-item,
  .page-disclaimer .disclaimer-anchor {
    transition: none;
  }

  .page-disclaimer .disclaimer-anchor {
    transform: none;
  }
}