.page-disclaimer {
  display: block;
}

.page-disclaimer a:focus-visible,
.page-disclaimer [tabindex]:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 3px;
}

/* ---------- Hero ---------- */
.page-disclaimer .disc-hero {
  position: relative;
  background: var(--c-night);
  overflow: hidden;
}

.page-disclaimer .disc-hero__figure {
  margin: 0;
  line-height: 0;
}

.page-disclaimer .disc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  opacity: 0.72;
}

.page-disclaimer .disc-hero__inner {
  position: relative;
  z-index: 1;
  padding: var(--space-5) 0 var(--space-6);
}

.page-disclaimer .disc-hero .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-disclaimer .disc-hero .crumbs li {
  display: inline-flex;
  align-items: center;
  color: var(--c-snow);
}

.page-disclaimer .disc-hero .crumbs li + li::before {
  content: "／";
  margin: 0 6px;
  font-size: 11px;
  color: rgba(246, 249, 250, 0.4);
}

.page-disclaimer .disc-hero .crumbs a {
  color: var(--on-dark);
  text-decoration: none;
}

.page-disclaimer .disc-hero .crumbs a:hover {
  color: var(--c-gold);
}

.page-disclaimer .disc-hero__title {
  margin: var(--space-3) 0 var(--space-3);
  font-family: var(--font-display);
  font-size: clamp(28px, 7.4vw, 58px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--c-snow);
}

.page-disclaimer .disc-hero__lead {
  margin: 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--on-dark);
}

/* ---------- 周期三步 ---------- */
.page-disclaimer .disc-steps {
  background: var(--c-mist);
  border-bottom: 1px solid var(--c-rule);
  padding: var(--space-5) 0 var(--space-5);
}

.page-disclaimer .disc-steps__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--c-plateau);
}

.page-disclaimer .disc-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-4);
}

.page-disclaimer .disc-step {
  padding-top: var(--space-3);
  border-top: 1px solid var(--c-gold);
}

.page-disclaimer .disc-step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-slate);
}

.page-disclaimer .disc-step__name {
  margin: var(--space-1) 0 var(--space-1);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--c-plateau);
}

.page-disclaimer .disc-step__sum {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-ink);
}

.page-disclaimer .disc-step__detail {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 320ms var(--ease);
}

.page-disclaimer .disc-step__detail > p {
  overflow: hidden;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-slate);
}

.page-disclaimer .disc-step:hover .disc-step__detail,
.page-disclaimer .disc-step:focus-within .disc-step__detail {
  grid-template-rows: 1fr;
}

.page-disclaimer .disc-step:hover .disc-step__detail > p,
.page-disclaimer .disc-step:focus-within .disc-step__detail > p {
  padding-top: var(--space-2);
}

/* ---------- 手册主体 ---------- */
.page-disclaimer .disc-manual {
  padding: var(--space-6) 0 var(--space-7);
}

.page-disclaimer .disc-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--c-rule);
}

.page-disclaimer .disc-row__index {
  background: var(--c-mist);
  padding: var(--space-3) var(--space-3) var(--space-2);
}

.page-disclaimer .disc-row__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--c-gold);
}

.page-disclaimer .disc-row__title {
  margin: var(--space-1) 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--c-plateau);
}

.page-disclaimer .disc-row__body {
  padding: var(--space-4) 0 var(--space-6);
}

.page-disclaimer .disc-row__body p {
  margin: 0 0 var(--space-3);
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-ink);
}

.page-disclaimer .disc-row__body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .disc-row__body a {
  color: var(--c-lake);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-disclaimer .disc-row__body a:hover {
  color: var(--c-plateau);
}

/* ---------- 有序步骤列表 ---------- */
.page-disclaimer .disc-list {
  list-style: none;
  counter-reset: disc;
  margin: var(--space-3) 0 var(--space-3);
  padding: 0;
}

.page-disclaimer .disc-list > li {
  position: relative;
  counter-increment: disc;
  padding-left: 44px;
  margin-bottom: var(--space-3);
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-ink);
}

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

.page-disclaimer .disc-list > li::before {
  content: counter(disc);
  position: absolute;
  left: 0;
  top: 4px;
  width: 26px;
  height: 26px;
  border: 1px solid var(--c-gold);
  border-radius: 50%;
  background: var(--c-gold-soft);
  color: var(--c-ink);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  display: grid;
  place-items: center;
}

.page-disclaimer .disc-list > li strong {
  font-weight: 700;
  color: var(--c-plateau);
}

/* ---------- 段落之间的分割提示 ---------- */
.page-disclaimer .disc-break {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-5) var(--space-3) var(--space-2);
}

.page-disclaimer .disc-break__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-slate);
  white-space: nowrap;
}

.page-disclaimer .disc-break__rule {
  flex: 1 1 auto;
  height: 1px;
  background: var(--c-rule);
}

.page-disclaimer .disc-break__hint {
  margin: 0;
  padding: 0 var(--space-3) var(--space-4);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--c-slate);
}

.page-disclaimer .disc-break + .disc-row {
  border-top: 0;
}

/* ---------- 底部入口 ---------- */
.page-disclaimer .disc-exit {
  background: var(--c-night);
  color: var(--c-snow);
  padding: var(--space-6) 0 var(--space-7);
}

.page-disclaimer .disc-exit__title {
  margin: 0 0 var(--space-4);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--c-gold);
}

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

.page-disclaimer .disc-exit__list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2);
  min-height: 44px;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--line-dark);
  text-decoration: none;
  color: var(--c-snow);
  transition: color 200ms var(--ease);
}

.page-disclaimer .disc-exit__list a:hover,
.page-disclaimer .disc-exit__list a:focus-visible {
  color: var(--c-gold);
}

.page-disclaimer .disc-exit__k {
  min-width: 84px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-gold);
}

.page-disclaimer .disc-exit__v {
  font-size: 15px;
  line-height: 1.7;
  color: var(--on-dark);
}

.page-disclaimer .disc-exit__list a:hover .disc-exit__v,
.page-disclaimer .disc-exit__list a:focus-visible .disc-exit__v {
  color: var(--c-snow);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 760px) {
  .page-disclaimer .disc-steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-disclaimer .disc-step {
    padding: var(--space-3) var(--space-4) 0 0;
  }

  .page-disclaimer .disc-step + .disc-step {
    border-left: 1px solid var(--c-rule);
    padding-left: var(--space-4);
  }

  .page-disclaimer .disc-step__name {
    font-size: 22px;
  }

  .page-disclaimer .disc-exit__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--space-6);
  }
}

@media (min-width: 960px) {
  .page-disclaimer .disc-hero {
    display: grid;
    min-height: 440px;
    align-items: end;
  }

  .page-disclaimer .disc-hero__figure {
    grid-area: 1 / 1;
    height: 100%;
  }

  .page-disclaimer .disc-hero__figure img {
    height: 100%;
    aspect-ratio: auto;
    opacity: 0.58;
  }

  .page-disclaimer .disc-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(104deg, rgba(7, 43, 51, 0.94) 10%, rgba(7, 43, 51, 0.7) 48%, rgba(7, 43, 51, 0.24) 100%);
    pointer-events: none;
  }

  .page-disclaimer .disc-hero__inner {
    grid-area: 1 / 1;
    padding: 0 0 var(--space-6);
  }

  .page-disclaimer .disc-hero__lead {
    max-width: 38em;
  }

  .page-disclaimer .disc-manual {
    padding: var(--space-7) 0 var(--space-8);
  }

  .page-disclaimer .disc-row {
    grid-template-columns: minmax(0, 232px) minmax(0, 1fr);
    gap: var(--space-7);
  }

  .page-disclaimer .disc-row__index {
    padding: var(--space-6) var(--space-4);
  }

  .page-disclaimer .disc-row__title {
    font-size: 22px;
  }

  .page-disclaimer .disc-row__body {
    padding: var(--space-6) 0;
    max-width: 42em;
  }

  .page-disclaimer .disc-break {
    padding: var(--space-6) var(--space-4) var(--space-2);
  }

  .page-disclaimer .disc-break__hint {
    padding: 0 var(--space-4) var(--space-5);
  }

  .page-disclaimer .disc-exit {
    padding: var(--space-7) 0 var(--space-8);
  }

  .page-disclaimer .disc-exit__k {
    min-width: 104px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-step__detail {
    transition: none;
  }

  .page-disclaimer .disc-exit__list a {
    transition: none;
  }
}