.page-disclaimer {
  --disc-gap: clamp(48px, 8vw, 96px);
  --disc-measure: 62ch;
  background: var(--ink);
  color: var(--paper);
  padding-bottom: calc(48px + var(--dock-h));
}

/* ---------- 首屏 ---------- */
.page-disclaimer .page-top {
  padding-top: calc(var(--header-h) + 12px);
}

.page-disclaimer .disc-hero {
  padding: clamp(32px, 6vw, 64px) 0 0;
  background:
    radial-gradient(120% 90% at 4% 0%, rgba(53, 242, 216, 0.07) 0%, transparent 55%),
    radial-gradient(90% 80% at 100% 90%, rgba(255, 138, 61, 0.05) 0%, transparent 60%);
}

.page-disclaimer .disc-hero__inner {
  max-width: 68ch;
  padding: 0 0 clamp(28px, 4vw, 44px);
}

.page-disclaimer .disc-hero__title {
  margin: 12px 0 20px;
  font-family: var(--font-head);
  font-weight: 300;
  font-size: clamp(36px, 7.2vw, 88px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--paper);
  text-wrap: balance;
}

.page-disclaimer .disc-hero .lede {
  font-size: clamp(16px, 1.1vw, 18px);
  line-height: 1.85;
  color: var(--grey);
  max-width: var(--disc-measure);
}

.page-disclaimer .disc-hero .meta {
  margin-top: 18px;
  color: var(--index);
  font-size: 13px;
  letter-spacing: 0.02em;
}

/* ---------- 顶部分段进度条 ---------- */
.page-disclaimer .disc-rail {
  border-top: 1px solid var(--track);
  border-bottom: 1px solid var(--track);
  margin-top: clamp(8px, 2vw, 20px);
}

.page-disclaimer .disc-rail__list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.page-disclaimer .disc-rail__list::-webkit-scrollbar { display: none; }

.page-disclaimer .disc-rail__item {
  flex: 1 0 auto;
  min-width: 138px;
  scroll-snap-align: start;
  border-right: 1px solid var(--track);
}
.page-disclaimer .disc-rail__item:last-child { border-right: 0; }

.page-disclaimer .disc-rail__item a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-height: 52px;
  padding: 14px 18px;
  color: var(--grey);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 200ms var(--ease), border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-disclaimer .disc-rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--index);
  transition: color 200ms var(--ease);
}

.page-disclaimer .disc-rail__label {
  font-size: 14px;
  letter-spacing: 0.02em;
}

.page-disclaimer .disc-rail__item a:hover,
.page-disclaimer .disc-rail__item a:focus-visible {
  color: var(--paper);
  background: rgba(53, 242, 216, 0.05);
  outline: none;
}

.page-disclaimer .disc-rail__item a[aria-current="true"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-disclaimer .disc-rail__item a[aria-current="true"] .disc-rail__num {
  color: var(--amber);
}

/* ---------- 章节 ---------- */
.page-disclaimer .disc-block {
  padding: clamp(48px, 8vw, 96px) 0;
  border-bottom: 1px solid var(--track);
}
.page-disclaimer .disc-block:last-of-type { border-bottom: 0; }

.page-disclaimer .disc-head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: clamp(24px, 4vw, 40px);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--track);
}

.page-disclaimer .disc-head__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--amber);
  flex-shrink: 0;
  padding-top: 6px;
}

.page-disclaimer .disc-head__title {
  margin: 0;
  font-weight: 400;
  color: var(--paper);
  text-wrap: balance;
}

.page-disclaimer .prose {
  max-width: var(--disc-measure);
  color: var(--paper);
  font-size: 16px;
  line-height: 1.85;
}
.page-disclaimer .prose p { margin: 0 0 1.15em; }
.page-disclaimer .prose p:last-child { margin-bottom: 0; }

/* ---------- 图片 ---------- */
.page-disclaimer .figure {
  margin: 0 0 clamp(24px, 4vw, 40px);
}

.page-disclaimer .figure__media {
  overflow: hidden;
  border-radius: var(--radius-soft);
  background: var(--night);
}

.page-disclaimer .figure__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  filter: saturate(0.85) brightness(0.9) contrast(1.03);
}

.page-disclaimer .figure__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--index);
}

/* ---------- 编号列表 A–D ---------- */
.page-disclaimer .disc-list {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-disclaimer .disc-list__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px 20px;
  background: var(--night);
  border: 1px solid var(--track);
  border-radius: var(--radius-chip);
}

.page-disclaimer .disc-list__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
  padding-top: 3px;
}

.page-disclaimer .disc-list__body { min-width: 0; }

.page-disclaimer .disc-list__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-disclaimer .disc-list__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey);
}

/* ---------- 跳转卡片 ---------- */
.page-disclaimer .disc-link-card {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: clamp(24px, 4vw, 40px);
  padding: 20px 24px;
  background: var(--night);
  border: 1px solid var(--track);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius-soft);
  color: var(--paper);
  text-decoration: none;
  transition: background 200ms var(--ease), transform 200ms var(--ease);
}
.page-disclaimer .disc-link-card:hover,
.page-disclaimer .disc-link-card:focus-visible {
  background: var(--slate);
  outline: none;
  transform: translateX(4px);
}

.page-disclaimer .disc-link-card__num {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--cyan);
  flex-shrink: 0;
}

.page-disclaimer .disc-link-card__text { min-width: 0; display: grid; gap: 6px; }

.page-disclaimer .disc-link-card__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  color: var(--paper);
}

.page-disclaimer .disc-link-card__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--grey);
}

/* ---------- 引用标签组 ---------- */
.page-disclaimer .disc-taglist {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-disclaimer .disc-taglist .tag {
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.01em;
  padding: 8px 14px;
}

/* ---------- 异常反馈步骤 ---------- */
.page-disclaimer .disc-steps {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--track);
}

.page-disclaimer .disc-steps__item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 22px 0;
  border-bottom: 1px solid var(--track);
}

.page-disclaimer .disc-steps__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--amber);
  padding-top: 2px;
  position: relative;
}
.page-disclaimer .disc-steps__num::after {
  content: "";
  position: absolute;
  left: -8px;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
}

.page-disclaimer .disc-steps__body { min-width: 0; }

.page-disclaimer .disc-steps__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-disclaimer .disc-steps__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey);
}

.page-disclaimer .disc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(28px, 4vw, 44px);
}

/* ---------- 收尾 ---------- */
.page-disclaimer .disc-foot {
  padding: clamp(48px, 8vw, 96px) 0 clamp(40px, 6vw, 72px);
}

.page-disclaimer .disc-foot__line {
  height: 1px;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--amber) 32%, var(--track) 100%);
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-disclaimer .disc-foot__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-disclaimer .disc-foot__title {
  margin: 12px 0 14px;
  font-family: var(--font-head);
  font-weight: 300;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.25;
  color: var(--paper);
}

.page-disclaimer .disc-foot__text {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--grey);
}

.page-disclaimer .disc-foot__actions {
  display: grid;
  gap: 12px;
  align-content: start;
}

/* ---------- 桌面增强 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .disc-hero__title {
    font-size: clamp(48px, 6.8vw, 96px);
  }
  .page-disclaimer .disc-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
  .page-disclaimer .disc-steps__item {
    grid-template-columns: 72px minmax(0, 1fr);
  }
  .page-disclaimer .disc-actions { gap: 14px; }
}

@media (min-width: 960px) {
  .page-disclaimer .disc-rail__item {
    flex: 1 1 0;
    min-width: 0;
  }
  .page-disclaimer .disc-foot__grid {
    grid-template-columns: minmax(0, 1fr) 280px;
    align-items: start;
  }
  .page-disclaimer .disc-foot__actions { justify-items: stretch; }
  .page-disclaimer .disc-block {
    padding-left: 48px;
    position: relative;
  }
  .page-disclaimer .disc-block::before {
    content: "";
    position: absolute;
    left: 8px;
    top: clamp(48px, 8vw, 96px);
    bottom: clamp(48px, 8vw, 96px);
    width: 1px;
    background: var(--track);
  }
  .page-disclaimer .disc-head {
    position: relative;
  }
  .page-disclaimer .disc-head::before {
    content: "";
    position: absolute;
    left: -48px;
    top: 12px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 0 4px rgba(53, 242, 216, 0.15);
  }
  .page-disclaimer .disc-block[data-chapter].is-current .disc-head::before {
    background: var(--amber);
    box-shadow: 0 0 0 5px rgba(255, 138, 61, 0.18);
  }
}

@media (hover: hover) {
  .page-disclaimer .disc-list__item {
    transition: border-color 200ms var(--ease), background 200ms var(--ease);
  }
  .page-disclaimer .disc-list__item:hover {
    border-color: rgba(53, 242, 216, 0.35);
    background: var(--slate);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-rail__item a,
  .page-disclaimer .disc-list__item,
  .page-disclaimer .disc-link-card {
    transition: none;
  }
  .page-disclaimer .disc-link-card:hover,
  .page-disclaimer .disc-link-card:focus-visible {
    transform: none;
  }
}
</main>