.page-disclaimer {
  --dc-line: rgba(127, 168, 180, 0.16);
  background: var(--ink);
  color: var(--text-soft);
}

/* 首屏 */
.page-disclaimer .dc-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(36px, 6vw, 76px) clamp(32px, 5vw, 60px);
  border-bottom: 1px solid var(--dc-line);
}

.page-disclaimer .dc-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -8%;
  width: 58%;
  height: 76%;
  background: var(--night);
  clip-path: polygon(16% 0, 100% 0, 100% 100%, 0 74%);
  opacity: 0.9;
  pointer-events: none;
}

.page-disclaimer .dc-hero__wash {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(118deg, rgba(22, 36, 47, 0.85) 0%, rgba(10, 26, 40, 0) 55%),
    linear-gradient(200deg, rgba(192, 138, 62, 0.1) 0%, rgba(10, 26, 40, 0) 46%);
  pointer-events: none;
}

.page-disclaimer .dc-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--sp-2);
}

.page-disclaimer .dc-hero__eyebrow {
  margin: var(--sp-2) 0 0;
}

.page-disclaimer .dc-hero__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(38px, 7.4vw, 68px);
  line-height: 1.06;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-disclaimer .dc-hero__lead {
  margin: var(--sp-2) 0 0;
  max-width: 34em;
  color: var(--text-soft);
}

.page-disclaimer .dc-hero__media {
  position: relative;
  z-index: 1;
  margin-top: clamp(28px, 4vw, 52px);
}

.page-disclaimer .dc-figure {
  margin: 0;
}

.page-disclaimer .dc-figure__frame {
  width: 100%;
  aspect-ratio: 1400 / 600;
  overflow: hidden;
  border: 1px solid var(--dc-line);
  background: var(--film);
}

.page-disclaimer .dc-figure__frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.06);
}

.page-disclaimer .dc-figure__caption {
  margin-top: var(--sp-2);
  font-size: 13px;
  color: var(--steel);
  letter-spacing: 0.02em;
}

/* 目录 */
.page-disclaimer .dc-toc__head {
  margin-bottom: var(--sp-3);
}

.page-disclaimer .dc-toc__title {
  margin: var(--sp-1) 0 0;
  font-family: var(--font-head);
  font-weight: 600;
  color: var(--paper);
}

.page-disclaimer .dc-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--dc-line);
}

.page-disclaimer .dc-toc__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  column-gap: var(--sp-2);
  row-gap: 2px;
  padding: var(--sp-2) 0;
  border-bottom: 1px solid var(--dc-line);
  text-decoration: none;
  color: var(--paper);
  transition: color 0.28s var(--ease-water), padding-left 0.28s var(--ease-water);
}

.page-disclaimer .dc-toc__link:hover,
.page-disclaimer .dc-toc__link:focus-visible {
  color: var(--copper-pale);
  padding-left: 8px;
}

.page-disclaimer .dc-toc__no {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--copper);
}

.page-disclaimer .dc-toc__label {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.35;
}

.page-disclaimer .dc-toc__hint {
  grid-column: 2;
  font-size: 14px;
  line-height: 1.6;
  color: var(--steel);
}

/* 正文骨架 */
.page-disclaimer .dc-body__grid {
  display: grid;
  gap: var(--sp-5);
}

.page-disclaimer .dc-body__main {
  min-width: 0;
  max-width: 38em;
}

/* 章节 */
.page-disclaimer .dc-chapter {
  border-top: 1px solid var(--dc-line);
  padding-block: var(--sp-4);
  scroll-margin-top: 96px;
}

.page-disclaimer .dc-body__main > .dc-chapter:last-child {
  border-bottom: 1px solid var(--dc-line);
}

.page-disclaimer .dc-chapter__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  column-gap: var(--sp-2);
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .dc-chapter__head::-webkit-details-marker {
  display: none;
}

.page-disclaimer .dc-chapter__no {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--copper);
}

.page-disclaimer .dc-chapter__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(21px, 2.7vw, 28px);
  font-weight: 600;
  line-height: 1.32;
  color: var(--paper);
}

.page-disclaimer .dc-chapter__mark {
  position: relative;
  justify-self: end;
  align-self: center;
  width: 14px;
  height: 14px;
}

.page-disclaimer .dc-chapter__mark::before,
.page-disclaimer .dc-chapter__mark::after {
  content: "";
  position: absolute;
  background: var(--aqua);
  transition: transform 0.3s var(--ease-water), opacity 0.3s var(--ease-water);
}

.page-disclaimer .dc-chapter__mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 1px;
}

.page-disclaimer .dc-chapter__mark::after {
  top: 0;
  left: 6px;
  width: 1px;
  height: 14px;
}

.page-disclaimer .dc-chapter[open] .dc-chapter__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-disclaimer .dc-chapter__content {
  margin-top: var(--sp-3);
}

.page-disclaimer .dc-chapter__content p {
  margin: 0 0 var(--sp-2);
  max-width: 36em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-disclaimer .dc-chapter__content p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .dc-chapter__content a {
  color: var(--aqua);
  text-decoration: none;
  border-bottom: 1px solid var(--line-mid);
  transition: color 0.25s var(--ease-water), border-color 0.25s var(--ease-water);
}

.page-disclaimer .dc-chapter__content a:hover,
.page-disclaimer .dc-chapter__content a:focus-visible {
  color: var(--copper-pale);
  border-bottom-color: var(--copper);
}

.page-disclaimer .dc-chip {
  display: inline-block;
  margin-right: 6px;
  padding: 2px 8px;
  border: 1px solid var(--line-copper);
  color: var(--copper-pale);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  vertical-align: 1px;
}

.page-disclaimer .dc-chapter__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
}

/* 侧栏 */
.page-disclaimer .dc-aside {
  border-top: 1px solid var(--line-copper);
  padding-top: var(--sp-3);
}

.page-disclaimer .dc-aside__title {
  margin: 0 0 var(--sp-2);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--copper);
}

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

.page-disclaimer .dc-aside__item {
  padding-block: var(--sp-2);
  border-bottom: 1px solid var(--dc-line);
}

.page-disclaimer .dc-aside__link {
  display: block;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
  color: var(--paper);
  text-decoration: none;
  transition: color 0.25s var(--ease-water);
}

.page-disclaimer .dc-aside__link:hover,
.page-disclaimer .dc-aside__link:focus-visible {
  color: var(--copper-pale);
}

.page-disclaimer .dc-aside__note {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--steel);
}

/* 页尾 */
.page-disclaimer .dc-outro__inner {
  border-top: 1px solid var(--dc-line);
  padding-top: var(--sp-4);
}

.page-disclaimer .dc-wave {
  display: block;
  width: 100%;
  height: 48px;
  color: rgba(127, 168, 180, 0.55);
}

.page-disclaimer .dc-outro__line {
  margin: var(--sp-3) 0 0;
  font-family: var(--font-head);
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 600;
  color: var(--paper);
}

/* 断点 */
@media (min-width: 720px) {
  .page-disclaimer .dc-chapter__content {
    padding-left: calc(26px + var(--sp-2));
  }

  .page-disclaimer .dc-toc__no,
  .page-disclaimer .dc-chapter__no {
    font-size: 13px;
  }
}

@media (min-width: 860px) {
  .page-disclaimer .dc-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    grid-template-areas:
      "crumb crumb"
      "eyebrow eyebrow"
      "title lead";
    align-items: end;
    column-gap: var(--gap);
  }

  .page-disclaimer .dc-hero .breadcrumb {
    grid-area: crumb;
  }

  .page-disclaimer .dc-hero__eyebrow {
    grid-area: eyebrow;
  }

  .page-disclaimer .dc-hero__title {
    grid-area: title;
  }

  .page-disclaimer .dc-hero__lead {
    grid-area: lead;
    margin-bottom: 6px;
  }

  .page-disclaimer .dc-toc__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--gap);
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .dc-body__grid {
    grid-template-columns: minmax(0, 1fr) 244px;
    column-gap: clamp(40px, 6vw, 88px);
    align-items: start;
  }

  .page-disclaimer .dc-aside {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-toc__link,
  .page-disclaimer .dc-chapter__mark::before,
  .page-disclaimer .dc-chapter__mark::after,
  .page-disclaimer .dc-chapter__content a,
  .page-disclaimer .dc-aside__link {
    transition: none;
  }
}