/* ===== 使用说明 / page-disclaimer ===== */

.page-disclaimer {
  --dis-rule: rgba(198, 211, 206, .22);
  background-color: var(--night);
  color: var(--ivory);
  font-family: var(--font-body);
}

.page-disclaimer .dis-measure {
  font-size: 1.0625rem;
  width: min(36em, 92vw);
  margin-inline: auto;
}

.page-disclaimer a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--neon-edge);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-disclaimer a:hover,
.page-disclaimer a:focus-visible {
  color: var(--ivory);
  border-bottom-color: var(--ivory);
}

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

/* --- 面包屑 --- */
.page-disclaimer .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
  padding-top: 1.1rem;
  padding-bottom: .3rem;
  font-size: .78rem;
  color: var(--mist);
}

.page-disclaimer .breadcrumbs__item {
  color: var(--mist);
  border-bottom: 0;
}

.page-disclaimer a.breadcrumbs__item:hover,
.page-disclaimer a.breadcrumbs__item:focus-visible {
  color: var(--neon);
  border-bottom-color: transparent;
}

.page-disclaimer .breadcrumbs__sep {
  color: rgba(159, 181, 174, .5);
  font-family: var(--font-num);
}

/* --- 首屏 --- */
.page-disclaimer .dis-hero {
  position: relative;
  padding: 1.4rem 0 0;
  border-bottom: 1px solid var(--dis-rule);
  background:
    radial-gradient(115% 82% at 86% 2%, rgba(63, 224, 196, .13), transparent 62%),
    linear-gradient(180deg, var(--night) 0%, var(--pitch) 100%);
}

.page-disclaimer .dis-hero__title {
  margin: .5rem 0 1rem;
  max-width: 16em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 7.6vw, 3.7rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--ivory);
}

.page-disclaimer .dis-hero__lead {
  max-width: 34em;
  margin: 0 0 1.5rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-disclaimer .dis-hero__figure {
  margin: 0 0 1.6rem;
}

.page-disclaimer .dis-hero__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1600 / 600;
  object-fit: cover;
  border: 1px solid var(--dis-rule);
  border-radius: var(--radius);
  background-color: var(--stand);
}

.page-disclaimer .dis-hero__cap {
  margin: .7rem 0 0;
  font-size: .78rem;
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--mist);
}

/* --- 目录 --- */
.page-disclaimer .dis-toc {
  padding: 1.5rem 0 1.7rem;
  background-color: var(--pitch);
  border-bottom: 1px solid var(--dis-rule);
}

.page-disclaimer .dis-toc__title {
  margin: 0 0 .85rem;
  font-family: var(--font-num);
  font-size: .72rem;
  letter-spacing: .24em;
  color: var(--mist);
}

.page-disclaimer .dis-toc__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: .15rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dis-toc__link {
  display: flex;
  align-items: baseline;
  gap: .8rem;
  padding: .6rem .1rem .6rem .7rem;
  border-left: 2px solid var(--hairline-strong);
  border-bottom: 0;
  font-size: .95rem;
  line-height: 1.5;
  color: var(--ivory);
  transition: border-color .18s var(--ease), background-color .18s var(--ease), color .18s var(--ease), padding-left .18s var(--ease);
}

.page-disclaimer .dis-toc__link:hover,
.page-disclaimer .dis-toc__link:focus-visible {
  padding-left: 1.05rem;
  border-left-color: var(--neon);
  border-bottom: 0;
  background-color: rgba(63, 224, 196, .08);
  color: var(--neon);
}

.page-disclaimer .dis-toc__num {
  flex: none;
  font-family: var(--font-num);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--neon);
}

/* --- 正文 --- */
.page-disclaimer .dis-article {
  padding: 2.6rem 0 3.6rem;
}

.page-disclaimer .dis-section {
  padding: 2.2rem 0;
  scroll-margin-top: 1.5rem;
}

.page-disclaimer .dis-section + .dis-section {
  border-top: 1px solid var(--dis-rule);
}

.page-disclaimer .dis-section:first-child {
  padding-top: 0;
}

.page-disclaimer .dis-section:last-child {
  padding-bottom: 0;
}

.page-disclaimer .dis-section__title {
  position: relative;
  margin: 0 0 1.05rem;
  padding-left: .95rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.22rem, 4.4vw, 1.58rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ivory);
}

.page-disclaimer .dis-section__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: .2em;
  width: 3px;
  height: 1em;
  background-color: var(--neon);
  border-radius: 2px;
}

.page-disclaimer .dis-section__num {
  margin-right: .6em;
  font-family: var(--font-num);
  font-weight: 400;
  font-size: .66em;
  letter-spacing: .08em;
  vertical-align: .12em;
  color: var(--neon);
}

.page-disclaimer .dis-section__body p {
  margin: 0 0 1.15rem;
  line-height: 1.8;
  color: var(--ivory);
}

.page-disclaimer .dis-section__body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .dis-section__body a {
  font-weight: 500;
}

.page-disclaimer .dis-list {
  margin: 0 0 1.15rem;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dis-list li {
  position: relative;
  margin-bottom: .72rem;
  padding-left: 1.25rem;
  line-height: 1.75;
  color: var(--ivory);
}

.page-disclaimer .dis-list li:last-child {
  margin-bottom: 0;
}

.page-disclaimer .dis-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: .62rem;
  height: 2px;
  background-color: var(--neon);
  opacity: .8;
}

.page-disclaimer .dis-key {
  padding-bottom: 6px;
  border-bottom: 2px solid var(--neon);
  color: var(--ivory);
}

.page-disclaimer .dis-filing {
  display: inline-block;
  margin: .5rem 0 0;
  padding: .5rem .85rem;
  font-family: var(--font-num);
  font-size: .8rem;
  letter-spacing: .04em;
  color: var(--mist);
  background-color: rgba(4, 20, 15, .55);
  border: 1px solid var(--dis-rule);
  border-radius: var(--radius);
}

/* --- 回到顶部 --- */
.page-disclaimer .dis-backtop {
  position: fixed;
  right: 1rem;
  bottom: 5.5rem;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  font-size: 1.05rem;
  line-height: 1;
  color: var(--neon);
  background-color: rgba(4, 20, 15, .9);
  border: 1px solid var(--neon-edge);
  border-bottom-width: 1px;
  border-radius: 50%;
  backdrop-filter: blur(6px);
  transition: background-color .18s var(--ease), color .18s var(--ease), transform .18s var(--ease);
}

.page-disclaimer .dis-backtop:hover,
.page-disclaimer .dis-backtop:focus-visible {
  color: var(--stand);
  background-color: var(--neon);
  border-color: var(--neon);
  transform: translateY(-2px);
}

/* --- 响应式 --- */
@media (min-width: 720px) {
  .page-disclaimer .dis-hero {
    padding-top: 2.4rem;
  }

  .page-disclaimer .dis-toc {
    padding: 1.9rem 0 2.1rem;
  }

  .page-disclaimer .dis-toc__list {
    grid-template-columns: repeat(2, 1fr);
    gap: .18rem 1.6rem;
  }

  .page-disclaimer .dis-article {
    padding: 3.4rem 0 4.6rem;
  }

  .page-disclaimer .dis-section {
    padding: 3rem 0;
  }

  .page-disclaimer .dis-backtop {
    right: 1.6rem;
    bottom: 2rem;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .dis-hero {
    padding-top: 3rem;
  }

  .page-disclaimer .dis-hero__lead {
    font-size: 1.05rem;
  }

  .page-disclaimer .dis-article {
    padding: 4.2rem 0 5.4rem;
  }

  .page-disclaimer .dis-section {
    padding: 3.4rem 0;
  }

  .page-disclaimer .dis-backtop {
    right: 2.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer *,
  .page-disclaimer *::before,
  .page-disclaimer *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }

  .page-disclaimer .dis-backtop:hover,
  .page-disclaimer .dis-backtop:focus-visible {
    transform: none;
  }
}