.page-disclaimer {
  --doc-line: 1px solid rgba(107, 122, 144, 0.28);
  --doc-line-soft: 1px solid rgba(107, 122, 144, 0.16);
  --doc-soft: rgba(244, 241, 236, 0.78);
  --doc-soft-dim: rgba(244, 241, 236, 0.62);
  position: relative;
  padding: 20px 0 84px;
  font-family: var(--font-body);
  color: var(--chalk-050);
  background-image:
    repeating-linear-gradient(
      90deg,
      rgba(107, 122, 144, 0.07) 0 1px,
      transparent 1px 140px
    );
  background-repeat: repeat-x;
  background-size: 140px 100%;
}

.page-disclaimer .doc-wrap {
  max-width: 1120px;
}

/* 面包屑 */
.page-disclaimer .doc-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-bottom: 18px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel-500);
}

.page-disclaimer .doc-crumb a {
  color: var(--steel-500);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-hover), border-color var(--dur-hover);
}

.page-disclaimer .doc-crumb a:hover,
.page-disclaimer .doc-crumb a:focus-visible {
  color: var(--flame-500);
  border-bottom-color: var(--flame-500);
}

.page-disclaimer .doc-crumb__sep {
  color: rgba(107, 122, 144, 0.6);
}

/* 页头 */
.page-disclaimer .doc-head {
  position: relative;
  padding: 4px 0 30px;
  border-bottom: var(--doc-line);
}

.page-disclaimer .doc-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 76px;
  height: 3px;
  background: var(--flame-500);
}

.page-disclaimer .doc-title {
  margin: 14px 0 0;
  max-width: 15em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(31px, 8.4vw, 66px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--chalk-050);
  text-shadow: 3px 3px 0 rgba(255, 75, 31, 0.85);
}

.page-disclaimer .doc-lead {
  margin: 22px 0 0;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--doc-soft);
}

.page-disclaimer .doc-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.page-disclaimer .doc-jump a {
  display: inline-block;
  padding: 6px 10px;
  color: var(--steel-500);
  text-decoration: none;
  border: 1px solid rgba(107, 122, 144, 0.3);
  transition: color var(--dur-hover), border-color var(--dur-hover);
}

.page-disclaimer .doc-jump a:hover,
.page-disclaimer .doc-jump a:focus-visible {
  color: var(--signal-400);
  border-color: var(--signal-400);
}

/* 布局 */
.page-disclaimer .doc-layout {
  display: block;
  padding-top: 6px;
}

.page-disclaimer .doc-notes {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 14px 0 12px;
  border-bottom: var(--doc-line-soft);
}

.page-disclaimer .doc-notes__line {
  margin: 0;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--signal-400);
}

.page-disclaimer .doc-notes__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel-500);
}

/* 章节 */
.page-disclaimer .doc-sec {
  padding: 28px 0 24px;
  border-bottom: var(--doc-line-soft);
  scroll-margin-top: 88px;
}

.page-disclaimer .doc-sec:last-of-type {
  border-bottom: none;
}

.page-disclaimer .doc-sec__num a {
  display: inline-block;
  font-family: var(--font-data);
  font-size: clamp(34px, 10vw, 64px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.05em;
  color: transparent;
  -webkit-text-stroke: 1.2px rgba(107, 122, 144, 0.85);
  text-decoration: none;
  transition: -webkit-text-stroke-color var(--dur-hover), transform var(--dur-hover);
}

.page-disclaimer .doc-sec__num a:hover,
.page-disclaimer .doc-sec__num a:focus-visible {
  -webkit-text-stroke-color: var(--flame-500);
  transform: translateY(-2px);
}

.page-disclaimer .doc-sec__main h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 5vw, 27px);
  line-height: 1.32;
  letter-spacing: 0.01em;
  color: var(--chalk-050);
}

.page-disclaimer .doc-sec__main h2::before {
  content: "";
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 10px;
  vertical-align: 2px;
  background: var(--flame-500);
  transform: rotate(45deg);
}

.page-disclaimer .doc-sec__main p {
  margin: 0 0 14px;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--doc-soft);
}

.page-disclaimer .doc-sec__main p strong {
  color: var(--chalk-050);
  font-weight: 700;
  background: linear-gradient(transparent 62%, rgba(255, 75, 31, 0.32) 62%);
  padding: 0 1px;
}

.page-disclaimer .doc-sec__main a {
  color: var(--signal-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 192, 0.42);
  transition: color var(--dur-hover), border-color var(--dur-hover);
}

.page-disclaimer .doc-sec__main a:hover,
.page-disclaimer .doc-sec__main a:focus-visible {
  color: var(--flame-500);
  border-bottom-color: var(--flame-500);
}

/* 指标条 */
.page-disclaimer .doc-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 1px;
  margin: 18px 0 6px;
  background: rgba(107, 122, 144, 0.3);
  border: 1px solid rgba(107, 122, 144, 0.3);
}

.page-disclaimer .doc-stat {
  padding: 14px 12px;
  background: var(--ink-800);
}

.page-disclaimer .doc-stat b {
  display: block;
  font-family: var(--font-data);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--signal-400);
}

.page-disclaimer .doc-stat span {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--steel-500);
}

/* 列表 */
.page-disclaimer .doc-list {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  max-width: 36em;
}

.page-disclaimer .doc-list li {
  padding-left: 16px;
  border-left: 1px solid rgba(53, 240, 192, 0.35);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--doc-soft-dim);
}

.page-disclaimer .doc-list li::marker {
  content: none;
}

/* 提示块 */
.page-disclaimer .doc-note-box {
  margin: 20px 0 4px;
  padding: 14px 16px;
  max-width: 34em;
  border-left: 3px solid var(--flame-500);
  background: rgba(27, 39, 64, 0.72);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--chalk-050);
}

/* 横幅图 */
.page-disclaimer .doc-figure {
  position: relative;
  margin: 10px 0 8px;
  overflow: hidden;
  border-top: 3px solid var(--flame-500);
  border-bottom: var(--doc-line);
  background: var(--ink-800);
}

.page-disclaimer .doc-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: contrast(1.08) saturate(0.9) brightness(0.86);
}

.page-disclaimer .doc-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(
      0deg,
      rgba(8, 13, 22, 0.34) 0 1px,
      transparent 1px 4px
    ),
    linear-gradient(100deg, rgba(255, 75, 31, 0.26), transparent 46%, rgba(53, 240, 192, 0.14));
  mix-blend-mode: screen;
}

.page-disclaimer .doc-figure .media-frame__caption {
  position: relative;
  z-index: 1;
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--steel-500);
  background: var(--ink-950);
  border-top: 1px solid rgba(107, 122, 144, 0.22);
}

/* 按钮行 */
.page-disclaimer .doc-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
}

.page-disclaimer .doc-cta .btn {
  text-decoration: none;
}

/* 回到顶部 */
.page-disclaimer .back-top {
  position: fixed;
  right: 16px;
  bottom: 18px;
  z-index: 30;
  padding: 10px 14px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--chalk-050);
  text-decoration: none;
  background: var(--ink-700);
  border: 1px solid rgba(53, 240, 192, 0.45);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--dur-hover), transform var(--dur-hover), visibility var(--dur-hover);
}

.page-disclaimer .back-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.page-disclaimer .back-top:hover,
.page-disclaimer .back-top:focus-visible {
  border-color: var(--flame-500);
  color: var(--flame-500);
}

.page-disclaimer a:focus-visible {
  outline: 2px solid var(--signal-400);
  outline-offset: 2px;
}

/* 平板及以上 */
@media (min-width: 720px) {
  .page-disclaimer {
    padding: 28px 0 96px;
  }

  .page-disclaimer .doc-title {
    transform: rotate(-1.6deg);
    transform-origin: left center;
    padding-right: 10px;
  }

  .page-disclaimer .doc-sec {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    column-gap: 28px;
    padding: 40px 0 32px;
  }

  .page-disclaimer .doc-sec__num {
    padding-top: 2px;
  }

  .page-disclaimer .doc-figure {
    margin: 26px 0 22px;
  }
}

/* 桌面：左侧竖排注释栏 */
@media (min-width: 980px) {
  .page-disclaimer .doc-layout {
    display: grid;
    grid-template-columns: 84px minmax(0, 1fr);
    column-gap: 44px;
    padding-top: 20px;
  }

  .page-disclaimer .doc-notes {
    display: block;
    padding: 0;
    border-bottom: none;
  }

  .page-disclaimer .doc-notes__line {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    max-height: 360px;
    margin: 0 auto;
    padding-top: 4px;
    font-size: 11.5px;
    letter-spacing: 0.28em;
    border-left: 1px solid rgba(53, 240, 192, 0.35);
  }

  .page-disclaimer .doc-notes__meta {
    writing-mode: vertical-rl;
    margin: 18px auto 0;
    font-size: 11px;
    letter-spacing: 0.24em;
    color: rgba(107, 122, 144, 0.85);
  }

  .page-disclaimer .doc-sec__num a {
    font-size: 58px;
  }

  .page-disclaimer .doc-cta .btn {
    min-width: 168px;
    justify-content: center;
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .doc-sec {
    grid-template-columns: 108px minmax(0, 1fr);
    column-gap: 40px;
  }

  .page-disclaimer .doc-sec__num a {
    font-size: 68px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer *,
  .page-disclaimer *::before,
  .page-disclaimer *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .page-disclaimer .doc-title {
    transform: none;
  }

  .page-disclaimer .back-top {
    transform: none;
  }
}