.page-disclaimer {
  --st-section-gap: clamp(48px, 7vw, 104px);
  position: relative;
  background: var(--deep-space);
  color: var(--chalk-white);
  font-family: var(--font-sans);
}

.page-disclaimer a:focus-visible {
  outline: 2px solid var(--signal-orange);
  outline-offset: 3px;
}

/* 阅读进度 */
.statement-progress {
  position: sticky;
  top: var(--header-h);
  z-index: 5;
  height: 2px;
  background: rgba(34, 64, 95, 0.45);
}

.statement-progress-bar {
  display: block;
  height: 100%;
  transform: scaleX(1);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--track-green) 0%, var(--orange-glow) 52%, var(--signal-orange) 100%);
}

@supports (animation-timeline: scroll()) {
  .statement-progress-bar {
    transform: scaleX(0);
    animation: statement-progress-grow linear both;
    animation-timeline: scroll(root block);
  }
}

@keyframes statement-progress-grow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

/* 首屏 */
.statement-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 7vw, 96px) 0 clamp(36px, 5vw, 72px);
  background: var(--void-black);
}

.statement-hero-art {
  position: absolute;
  inset: 0;
}

.statement-hero-art img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.42;
}

.statement-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 8, 15, 0.7) 0%, rgba(10, 20, 40, 0.9) 58%, var(--deep-space) 100%);
}

.statement-hero-inner {
  position: relative;
  z-index: 1;
}

.statement-title {
  margin: 10px 0 0;
  font-size: clamp(38px, 7.2vw, 76px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--chalk-white);
}

.statement-lede {
  max-width: 40ch;
  margin: 18px 0 0;
  color: rgba(242, 246, 255, 0.84);
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.75;
}

.statement-index {
  list-style: none;
  margin: clamp(30px, 5vw, 56px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border-top: var(--edge-soft);
  max-width: 900px;
}

.statement-index li {
  border-bottom: var(--edge-soft);
}

.statement-index a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 4px;
  color: var(--chalk-white);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.25s ease, padding-left 0.25s ease;
}

.statement-index a .mono {
  color: var(--track-green);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.statement-index a:hover {
  color: var(--orange-glow);
  padding-left: 12px;
}

/* 章节骨架 */
.statement-body {
  padding: var(--st-section-gap) 0 clamp(40px, 6vw, 80px);
}

.clause {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.clause-no a {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--signal-orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 90, 31, 0.35);
  padding-bottom: 2px;
}

.clause-title {
  margin: 0 0 16px;
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--chalk-white);
}

.clause-main p {
  margin: 0 0 16px;
  max-width: 42ch;
  color: rgba(242, 246, 255, 0.84);
  font-size: 16px;
  line-height: 1.75;
}

.clause-list {
  list-style: none;
  margin: 20px 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.clause-list li {
  position: relative;
  padding-left: 20px;
  color: var(--mist-grey);
  font-size: 15px;
  line-height: 1.75;
  max-width: 46ch;
}

.clause-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 1px;
  background: var(--track-green);
}

.clause-list strong {
  color: var(--chalk-white);
  font-weight: 700;
}

.clause-callout {
  margin-top: 24px;
  padding: 18px 20px;
  background: rgba(11, 59, 46, 0.42);
  border-left: 3px solid var(--track-green);
  border-radius: var(--radius-sm);
}

.clause-callout p {
  margin: 0;
  max-width: 44ch;
  color: var(--chalk-white);
  font-size: 15px;
  line-height: 1.75;
}

.clause-note {
  align-self: start;
  border-top: var(--edge-soft);
  padding-top: 14px;
}

.note-label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--track-green);
}

.clause-note p {
  margin: 0 0 12px;
  color: var(--mist-grey);
  font-size: 14px;
  line-height: 1.75;
}

.note-link {
  display: inline-block;
  color: var(--signal-orange);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 90, 31, 0.4);
  padding-bottom: 2px;
  transition: color 0.25s ease, border-color 0.25s ease;
}

.note-link:hover {
  color: var(--orange-glow);
  border-color: var(--orange-glow);
}

.clause-divider {
  height: 1px;
  margin: clamp(34px, 5vw, 68px) 0;
  background: linear-gradient(90deg, transparent 0%, var(--line-blue) 14%, var(--track-green) 52%, var(--signal-orange) 100%);
  transform: skewY(-0.35deg);
  opacity: 0.75;
}

.statement-back {
  margin: 0;
  padding: 0 0 clamp(48px, 7vw, 96px);
  text-align: center;
}

.statement-back a {
  display: inline-block;
  font-size: 14px;
  color: var(--mist-grey);
  text-decoration: none;
  border-bottom: 1px solid var(--line-blue);
  padding-bottom: 3px;
  transition: color 0.25s ease, border-color 0.25s ease;
}

.statement-back a:hover {
  color: var(--chalk-white);
  border-color: var(--track-green);
}

@media (min-width: 640px) {
  .statement-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .clause-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .clause-list li:first-child:nth-last-child(odd) {
    grid-column: span 2;
  }
}

@media (min-width: 960px) {
  .clause {
    grid-template-columns: 72px minmax(0, 7fr) minmax(0, 3fr);
    gap: 0 clamp(24px, 3vw, 56px);
    align-items: start;
  }

  .clause-note {
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }

  .clause-main p {
    font-size: 16.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .statement-progress-bar {
    transform: scaleX(1);
    animation: none;
  }

  .page-disclaimer .statement-index a,
  .page-disclaimer .note-link,
  .page-disclaimer .statement-back a {
    transition: none;
  }
}