.page-disclaimer {
  --disc-cyan-ink: #0B6E5C;
  --disc-orange-ink: #C4531A;
  --disc-line: rgba(53, 240, 208, 0.22);
  --disc-text: rgba(243, 237, 225, 0.8);
  --disc-text-dim: rgba(243, 237, 225, 0.6);
  background: var(--ink-950);
  color: var(--paper-100);
  font-family: var(--font-sans);
  padding-bottom: 80px;
  overflow-x: clip;
}

/* ---------- 首屏框景 ---------- */

.page-disclaimer .disc-hero {
  padding-top: 26px;
}

.page-disclaimer .disc-frame {
  position: relative;
  margin-top: 20px;
  padding: 26px 20px 22px;
  border: 1px solid var(--disc-line);
  border-radius: var(--r-xl);
  background:
    radial-gradient(120% 140% at 88% -10%, rgba(53, 240, 208, 0.12), rgba(53, 240, 208, 0) 58%),
    linear-gradient(158deg, var(--ink-800), var(--ink-950) 66%);
  overflow: hidden;
}

.page-disclaimer .disc-frame::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background-image: repeating-linear-gradient(90deg, rgba(53, 240, 208, 0.55) 0 2px, rgba(53, 240, 208, 0) 2px 22px);
  opacity: 0.55;
}

.page-disclaimer .disc-title {
  margin: 14px 0 0;
  font-size: clamp(28px, 7.2vw, 54px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--white-0);
}

.page-disclaimer .disc-lead {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--disc-text);
}

.page-disclaimer .disc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-disclaimer .disc-ruler {
  display: block;
  width: 100%;
  height: 30px;
  margin-top: 24px;
}

/* ---------- 目录 ---------- */

.page-disclaimer .disc-toc {
  padding-top: 46px;
}

.page-disclaimer .disc-toc__title {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--gray-400);
  font-family: var(--font-mono);
}

.page-disclaimer .disc-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-disclaimer .disc-toc__link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 2px;
  border-bottom: 1px solid rgba(243, 237, 225, 0.12);
  color: var(--paper-100);
  text-decoration: none;
  transition: color 0.25s var(--ease), transform 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-disclaimer .disc-toc__link:hover,
.page-disclaimer .disc-toc__link:focus-visible {
  color: var(--cyan-400);
  border-color: rgba(53, 240, 208, 0.45);
  transform: translateX(4px);
}

.page-disclaimer .disc-toc__idx {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
}

.page-disclaimer .disc-toc__label {
  font-size: 15px;
}

/* ---------- 章节通用 ---------- */

.page-disclaimer .disc-body {
  padding-top: 52px;
}

.page-disclaimer .disc-flow {
  max-width: 900px;
}

.page-disclaimer .disc-chapter {
  scroll-margin-top: 84px;
}

.page-disclaimer .disc-chapter__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.page-disclaimer .disc-chapter__num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--cyan-400);
}

.page-disclaimer .disc-chapter__title {
  margin: 0;
  font-size: clamp(19px, 4.4vw, 25px);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white-0);
}

.page-disclaimer .disc-chapter__body {
  margin-top: 14px;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.95;
  color: var(--disc-text);
}

.page-disclaimer .disc-chapter__body p {
  margin: 0;
}

.page-disclaimer .disc-chapter__body p + p {
  margin-top: 14px;
}

.page-disclaimer .disc-link {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-disclaimer .disc-link:hover,
.page-disclaimer .disc-link:focus-visible {
  color: var(--cyan-200);
}

.page-disclaimer .disc-band {
  height: 2px;
  margin-top: 36px;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--cyan-400), rgba(53, 240, 208, 0) 78%);
}

.page-disclaimer .disc-band--orange {
  background: linear-gradient(90deg, var(--orange-500), rgba(255, 122, 46, 0) 78%);
}

/* ---------- 暖纸长卷 ---------- */

.page-disclaimer .disc-sheet {
  margin-top: 54px;
}

.page-disclaimer .disc-sheet__inner {
  background: var(--paper-100);
  border-radius: var(--r-xl);
  padding: 28px 18px 36px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.34);
}

.page-disclaimer .disc-sheet .disc-chapter + .disc-band {
  margin-top: 34px;
  background: linear-gradient(90deg, var(--disc-cyan-ink), rgba(11, 110, 92, 0) 78%);
}

.page-disclaimer .disc-sheet .disc-chapter__num {
  color: var(--disc-cyan-ink);
}

.page-disclaimer .disc-sheet .disc-chapter__title {
  color: var(--ink-950);
}

.page-disclaimer .disc-sheet .disc-chapter__body {
  color: rgba(11, 33, 27, 0.84);
}

.page-disclaimer .disc-sheet .disc-link {
  color: var(--disc-cyan-ink);
}

/* ---------- 时间口径图 ---------- */

.page-disclaimer .disc-figure {
  margin: 24px 0 0;
  max-width: 760px;
}

.page-disclaimer .disc-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  border: 1px solid rgba(11, 33, 27, 0.14);
  background: var(--ink-800);
}

.page-disclaimer .disc-figure__cap {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(11, 33, 27, 0.62);
}

.page-disclaimer .disc-nodes {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 760px;
}

.page-disclaimer .disc-node {
  padding: 13px 16px;
  border-radius: var(--r-md);
  border-left: 3px solid var(--disc-cyan-ink);
  background: rgba(5, 17, 14, 0.05);
}

.page-disclaimer .disc-node__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--disc-cyan-ink);
}

.page-disclaimer .disc-node__text {
  display: block;
  margin-top: 6px;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(11, 33, 27, 0.84);
}

.page-disclaimer .disc-node__tip {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(11, 33, 27, 0.6);
  opacity: 0.55;
  transition: opacity 0.28s var(--ease), color 0.28s var(--ease);
}

.page-disclaimer .disc-node:hover .disc-node__tip,
.page-disclaimer .disc-node:focus-within .disc-node__tip {
  opacity: 1;
  color: rgba(11, 33, 27, 0.84);
}

/* ---------- 尾段与联系 ---------- */

.page-disclaimer .disc-tail {
  padding-top: 54px;
}

.page-disclaimer .disc-contact {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-disclaimer .disc-contact__item {
  padding: 15px 18px;
  border: 1px solid var(--disc-line);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(11, 33, 27, 0.85), rgba(5, 17, 14, 0.7));
}

.page-disclaimer .disc-contact__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gray-400);
}

.page-disclaimer .disc-contact__value {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--white-0);
  overflow-wrap: anywhere;
}

.page-disclaimer .disc-related {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-disclaimer .disc-related__link {
  display: inline-block;
  padding: 10px 18px;
  border: 1px solid var(--disc-line);
  border-radius: var(--r-pill);
  color: var(--cyan-200);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.25s var(--ease), background-color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-disclaimer .disc-related__link:hover,
.page-disclaimer .disc-related__link:focus-visible {
  color: var(--ink-950);
  background: var(--cyan-400);
  border-color: var(--cyan-400);
}

/* ---------- 响应式 ---------- */

@media (min-width: 660px) {
  .page-disclaimer .disc-toc__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }

  .page-disclaimer .disc-frame {
    padding: 34px 34px 26px;
  }

  .page-disclaimer .disc-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-disclaimer {
    padding-bottom: 110px;
  }

  .page-disclaimer .disc-hero {
    padding-top: 40px;
  }

  .page-disclaimer .disc-frame {
    padding: 44px 46px 30px;
  }

  .page-disclaimer .disc-lead {
    font-size: 17px;
  }

  .page-disclaimer .disc-toc {
    padding-top: 60px;
  }

  .page-disclaimer .disc-body,
  .page-disclaimer .disc-tail {
    padding-top: 68px;
  }

  .page-disclaimer .disc-sheet {
    margin-top: 68px;
  }

  .page-disclaimer .disc-sheet__inner {
    padding: 46px 48px 54px;
  }

  .page-disclaimer .disc-chapter__body {
    font-size: 15.5px;
  }

  .page-disclaimer .disc-contact {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-disclaimer .disc-nodes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: none;
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-toc__link,
  .page-disclaimer .disc-related__link,
  .page-disclaimer .disc-node__tip {
    transition: none;
  }

  .page-disclaimer .disc-toc__link:hover,
  .page-disclaimer .disc-toc__link:focus-visible {
    transform: none;
  }
}