.page-disclaimer {
  position: relative;
  background-color: var(--white);
  background-image: repeating-linear-gradient(-4deg, rgba(26, 22, 20, .038) 0 1px, transparent 1px 48px);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-disclaimer h1,
.page-disclaimer h2,
.page-disclaimer p {
  margin: 0;
}

/* ---------- 页头 ---------- */

.page-disclaimer .disc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--night);
  color: var(--white);
  padding: 2rem 0 2.25rem;
}

.page-disclaimer .disc-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-disclaimer .disc-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
  filter: grayscale(1) contrast(1.05);
}

.page-disclaimer .disc-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(168deg, rgba(11, 27, 51, .62) 0%, rgba(11, 27, 51, .96) 68%);
}

.page-disclaimer .disc-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: .85rem;
}

.page-disclaimer .disc-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: .45rem;
  font-size: 13px;
  letter-spacing: .08em;
  color: rgba(255, 255, 255, .58);
}

.page-disclaimer .disc-hero .breadcrumb a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 206, 122, .45);
  transition: border-color .2s var(--ease);
}

.page-disclaimer .disc-hero .breadcrumb a:hover,
.page-disclaimer .disc-hero .breadcrumb a:focus-visible {
  border-color: var(--gold-soft);
}

.page-disclaimer .disc-hero h1 {
  font-size: clamp(2.1rem, 8vw, 3.375rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -.02em;
}

.page-disclaimer .disc-hero__lede {
  max-width: 62ch;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, .82);
}

/* ---------- 版本横条 ---------- */

.page-disclaimer .disc-versions {
  background: var(--night-2);
  border-top: 2px solid var(--gold);
  color: var(--white);
  padding: 1.15rem 0 1.35rem;
}

.page-disclaimer .disc-versions__inner {
  display: grid;
  gap: .8rem;
}

.page-disclaimer .disc-versions__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold-soft);
}

.page-disclaimer .disc-versions__track {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.page-disclaimer .disc-ver {
  background: rgba(255, 255, 255, .045);
  border: 1px solid var(--rule-dark);
  border-radius: var(--radius);
  padding: .7rem .85rem;
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-disclaimer .disc-ver[open] {
  border-color: var(--gold);
  background: rgba(201, 162, 39, .09);
}

.page-disclaimer .disc-ver__sum {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--gold-soft);
}

.page-disclaimer .disc-ver__sum::-webkit-details-marker {
  display: none;
}

.page-disclaimer .disc-ver__sum::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-sans);
  font-size: .8rem;
  color: rgba(255, 255, 255, .55);
}

.page-disclaimer .disc-ver[open] .disc-ver__sum::after {
  content: "－";
  color: var(--gold-soft);
}

.page-disclaimer .disc-ver__sum:focus-visible {
  outline: 2px solid var(--gold-soft);
  outline-offset: 3px;
}

.page-disclaimer .disc-ver__tag {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .1em;
  color: rgba(255, 255, 255, .58);
}

.page-disclaimer .disc-ver__body {
  margin-top: .6rem;
  font-size: .875rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, .78);
}

/* ---------- 目录 ---------- */

.page-disclaimer .disc-toc {
  background: var(--cream);
  border-bottom: 1px solid var(--rule);
  padding: .9rem 0;
}

.page-disclaimer .disc-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem .55rem;
}

.page-disclaimer .disc-toc__list a {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .35rem .6rem;
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  color: var(--ink);
  text-decoration: none;
  font-size: .875rem;
  line-height: 1.4;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-disclaimer .disc-toc__list a:hover,
.page-disclaimer .disc-toc__list a:focus-visible {
  border-color: var(--gold);
  color: var(--gold-ink);
}

.page-disclaimer .disc-toc__num {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--gold);
}

/* ---------- 章节 ---------- */

.page-disclaimer .disc-body {
  padding: 1rem 0 2.5rem;
}

.page-disclaimer .disc-chapter {
  display: grid;
  gap: .45rem;
  padding: 1.75rem 0;
  border-top: 1px solid var(--rule);
  scroll-margin-top: 4.5rem;
}

.page-disclaimer .disc-chapter:first-child {
  border-top: none;
}

.page-disclaimer .disc-chapter__num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--gold);
}

.page-disclaimer .disc-chapter__title {
  font-size: clamp(1.375rem, 5vw, 2.125rem);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -.02em;
}

.page-disclaimer .disc-chapter__text {
  display: grid;
  gap: .7rem;
  margin-top: .35rem;
}

.page-disclaimer .disc-chapter__text p {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(26, 22, 20, .9);
}

.page-disclaimer .disc-chapter__text a,
.page-disclaimer .disc-report__text a {
  color: var(--gold-ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 162, 39, .5);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .disc-chapter__text a:hover,
.page-disclaimer .disc-chapter__text a:focus-visible,
.page-disclaimer .disc-report__text a:hover,
.page-disclaimer .disc-report__text a:focus-visible {
  color: var(--night);
  border-color: var(--night);
}

/* ---------- 纠错入口 ---------- */

.page-disclaimer .disc-report {
  padding: 0 0 3.5rem;
}

.page-disclaimer .disc-report__card {
  display: grid;
  gap: 1.15rem;
  padding: 1.4rem 1.25rem;
  background: var(--cream);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
}

.page-disclaimer .disc-report__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold-ink);
}

.page-disclaimer .disc-report__card h2 {
  margin-top: .45rem;
  font-size: clamp(1.25rem, 4.2vw, 1.75rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -.015em;
}

.page-disclaimer .disc-report__text p + p {
  margin-top: .65rem;
  font-size: .9375rem;
  line-height: 1.8;
  color: rgba(26, 22, 20, .88);
}

.page-disclaimer .disc-report__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

/* ---------- 窄屏微调 ---------- */

@media (max-width: 480px) {
  .page-disclaimer .disc-hero {
    padding: 1.5rem 0 1.75rem;
  }

  .page-disclaimer .disc-hero__lede {
    font-size: 1rem;
  }

  .page-disclaimer .disc-chapter {
    padding: 1.4rem 0;
  }

  .page-disclaimer .disc-report__actions .btn {
    flex: 1 1 auto;
    justify-content: center;
    text-align: center;
  }
}

/* ---------- 桌面栅格 ---------- */

@media (min-width: 760px) {
  .page-disclaimer .disc-versions__track {
    flex-direction: row;
    align-items: flex-start;
  }

  .page-disclaimer .disc-ver {
    flex: 1 1 0;
    min-width: 0;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .disc-hero {
    padding: 3.25rem 0 3.5rem;
  }

  .page-disclaimer .disc-versions {
    padding: 1.35rem 0 1.55rem;
  }

  .page-disclaimer .disc-chapter {
    grid-template-columns: 96px minmax(0, 1fr);
    column-gap: 2rem;
    padding: 2.6rem 0;
  }

  .page-disclaimer .disc-chapter__num {
    grid-row: 1 / span 2;
    font-size: 2.125rem;
    padding-top: .2rem;
  }

  .page-disclaimer .disc-chapter__title {
    grid-column: 2;
  }

  .page-disclaimer .disc-chapter__text {
    grid-column: 2;
    max-width: 66ch;
  }

  .page-disclaimer .disc-report__card {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 2rem;
    padding: 2rem 2.25rem;
  }

  .page-disclaimer .disc-report__actions {
    flex-direction: column;
    align-items: stretch;
  }
}