.page-disclaimer {
  --disc-rule: 1px solid rgba(74, 90, 90, 0.45);
  --disc-rule-soft: 1px solid rgba(74, 90, 90, 0.32);
  --disc-rule-gold: 1px solid rgba(201, 162, 75, 0.3);
  --disc-gap: clamp(2.2rem, 5vw, 4.2rem);
  --disc-text: rgba(245, 240, 230, 0.82);
  --disc-dim: rgba(245, 240, 230, 0.6);
  padding-bottom: clamp(2.4rem, 6vw, 5rem);
}

.page-disclaimer .breadcrumb {
  margin-top: clamp(1rem, 3vw, 2rem);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero {
  padding-top: clamp(1.2rem, 3vw, 2rem);
}

.page-disclaimer .disc-hero__title {
  margin: 0.7rem 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.2vw, 3.3rem);
  line-height: 1.14;
  letter-spacing: -0.005em;
  color: var(--paper);
  max-width: 24ch;
}

.page-disclaimer .disc-hero__lead {
  margin: 1rem 0 0;
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.9;
  color: var(--disc-text);
  max-width: 46rem;
}

.page-disclaimer .disc-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.6rem;
  margin: 1.7rem 0 0;
  padding: 1rem 0 0;
  border-top: var(--disc-rule);
}

.page-disclaimer .disc-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.45rem 0.8rem;
  border: 1px solid rgba(74, 90, 90, 0.55);
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-size: 0.84rem;
  line-height: 1.4;
  color: rgba(245, 240, 230, 0.76);
  text-decoration: none;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease),
    background 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-disclaimer .disc-index__link:hover,
.page-disclaimer .disc-index__link:focus-visible {
  color: var(--paper);
  border-color: rgba(201, 162, 75, 0.6);
  background: rgba(201, 162, 75, 0.08);
  transform: translateY(-1px);
}

.page-disclaimer .disc-index__link[data-active="true"] {
  color: var(--teal);
  border-color: rgba(62, 198, 176, 0.55);
  background: rgba(62, 198, 176, 0.07);
}

.page-disclaimer .disc-index__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-disclaimer .disc-hero__figure {
  margin: clamp(1.8rem, 4vw, 2.8rem) 0 0;
}

/* ---------- 章节骨架 ---------- */
.page-disclaimer .disc-sec {
  display: grid;
  gap: 1rem;
  padding: var(--disc-gap) 0;
  border-top: var(--disc-rule);
}

.page-disclaimer .disc-sec:first-of-type {
  border-top: var(--disc-rule-gold);
}

.page-disclaimer .disc-sec__num {
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-disclaimer .disc-sec__rail .section__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  line-height: 1.32;
  color: var(--paper);
}

.page-disclaimer .disc-sec__body > p {
  margin: 0 0 1.05rem;
  max-width: 44rem;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.9;
  color: var(--disc-text);
}

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

@media (min-width: 960px) {
  .page-disclaimer .disc-sec {
    grid-template-columns: minmax(0, 15rem) minmax(0, 1fr);
    gap: 0 3.5rem;
  }

  .page-disclaimer .disc-sec__rail {
    position: sticky;
    top: 6rem;
    align-self: start;
  }
}

/* ---------- 浏览器列表 ---------- */
.page-disclaimer .browser-list {
  display: grid;
  gap: 0.6rem;
  margin: 1.3rem 0 1.3rem;
  padding: 0;
  list-style: none;
}

.page-disclaimer .browser {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.35rem 0.85rem;
  align-items: start;
  padding: 0.9rem 1rem;
  border: var(--disc-rule-gold);
  border-radius: var(--radius);
  background: rgba(6, 26, 23, 0.55);
  box-shadow: var(--shadow-1);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-disclaimer .browser:hover,
.page-disclaimer .browser:focus-within {
  border-color: rgba(62, 198, 176, 0.5);
  background: rgba(18, 58, 51, 0.55);
}

.page-disclaimer .browser__icon {
  grid-row: 1 / span 2;
  width: 2rem;
  height: 2rem;
  color: var(--teal);
}

.page-disclaimer .browser__meta {
  display: block;
  min-width: 0;
}

.page-disclaimer .browser__name {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 1rem;
  color: var(--paper);
  letter-spacing: 0.01em;
}

.page-disclaimer .browser__ver {
  margin-left: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.page-disclaimer .browser__req {
  display: block;
  max-height: 0;
  margin-top: 0;
  overflow: hidden;
  opacity: 0;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--disc-dim);
  transition: max-height 0.3s var(--ease), opacity 0.3s var(--ease),
    margin-top 0.3s var(--ease);
}

.page-disclaimer .browser:hover .browser__req,
.page-disclaimer .browser:focus-within .browser__req {
  max-height: 5rem;
  margin-top: 0.35rem;
  opacity: 1;
}

@media (min-width: 620px) {
  .page-disclaimer .browser-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (hover: none) {
  .page-disclaimer .browser__req {
    max-height: 5rem;
    margin-top: 0.35rem;
    opacity: 1;
  }
}

/* ---------- 版本对照表 ---------- */
.page-disclaimer .disc-table-wrap {
  margin: 1.4rem 0 1.3rem;
}

.page-disclaimer .disc-table {
  min-width: 34rem;
}

.page-disclaimer .disc-table th,
.page-disclaimer .disc-table td {
  font-family: var(--font-body);
  font-size: 0.94rem;
  line-height: 1.7;
}

/* ---------- 更新节奏列表 ---------- */
.page-disclaimer .disc-steps {
  display: grid;
  gap: 1rem;
  margin: 1.3rem 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-steps__item {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.85rem;
  padding-bottom: 1rem;
  border-bottom: var(--disc-rule-soft);
}

.page-disclaimer .disc-steps__item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-disclaimer .disc-steps__num {
  padding-top: 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  color: var(--teal);
}

.page-disclaimer .disc-steps__title {
  margin: 0 0 0.3rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--paper);
}

.page-disclaimer .disc-steps__text {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--disc-text);
}

/* ---------- 延伸入口 ---------- */
.page-disclaimer .disc-next {
  margin-top: var(--disc-gap);
  padding-top: 2rem;
  border-top: var(--disc-rule-gold);
}

.page-disclaimer .disc-next .section__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  line-height: 1.35;
  color: var(--paper);
}

.page-disclaimer .disc-next__list {
  display: grid;
  gap: 0.3rem;
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-next__item {
  padding: 0.85rem 0;
  border-bottom: var(--disc-rule-soft);
}

.page-disclaimer .disc-next__item:last-child {
  border-bottom: 0;
}

@media (min-width: 720px) {
  .page-disclaimer .disc-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.3rem 2.5rem;
  }

  .page-disclaimer .disc-next__item:nth-last-child(-n + 2) {
    border-bottom: 0;
  }
}