.page-disclaimer {
  --dis-line: 2px solid var(--edge);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
}

.page-disclaimer .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 1rem;
}

.page-disclaimer .breadcrumb a {
  color: var(--signal-soft);
  text-decoration: none;
}

.page-disclaimer .breadcrumb a:hover {
  color: var(--signal);
}

.page-disclaimer .breadcrumb-sep {
  margin: 0 0.45rem;
  color: var(--edge);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dis-hero {
  position: relative;
  padding: clamp(1.25rem, 3vw, 2rem) 0 clamp(2rem, 5vw, 3rem);
  background:
    repeating-linear-gradient(180deg, rgba(79, 255, 176, 0.04) 0 1px, transparent 1px 4px),
    linear-gradient(160deg, var(--ink-2) 0%, var(--ink) 72%);
  border-bottom: var(--dis-line);
}

.page-disclaimer .dis-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  background: linear-gradient(90deg, var(--signal) 0%, var(--amber) 34%, transparent 78%);
}

.page-disclaimer .dis-version {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 1rem;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--edge);
  background: rgba(18, 44, 36, 0.7);
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-disclaimer .dis-version-tag {
  padding: 0.15rem 0.5rem;
  background: var(--amber);
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-disclaimer .dis-hero-grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}

.page-disclaimer .dis-kicker {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  color: var(--amber);
}

.page-disclaimer .dis-title {
  margin: 0.4rem 0 0.9rem;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 6.2vw, 3.4rem);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .dis-title em {
  font-style: normal;
  color: var(--signal);
  box-shadow: inset 0 -0.14em 0 rgba(79, 255, 176, 0.28);
}

.page-disclaimer .dis-lede {
  margin: 0 0 1.4rem;
  max-width: 46ch;
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  color: var(--paper);
  opacity: 0.86;
}

.page-disclaimer .dis-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.page-disclaimer .dis-hero-media {
  margin: 0;
  border: var(--dis-line);
  box-shadow: var(--shadow);
  background: var(--card);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 3%, 100% 100%, 0 97%);
}

.page-disclaimer .dis-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1400 / 420;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

/* ---------- 正文骨架 ---------- */
.page-disclaimer .dis-body {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2rem);
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(2.5rem, 6vw, 4rem);
}

.page-disclaimer .dis-toc {
  padding: 0.9rem 1rem;
  border: var(--dis-line);
  background: var(--ink-2);
  box-shadow: var(--shadow-sm);
}

.page-disclaimer .dis-toc-title {
  margin: 0 0 0.65rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-disclaimer .dis-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.page-disclaimer .dis-toc-list a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--edge);
  font-size: 0.8rem;
  color: var(--paper);
  text-decoration: none;
  transition: border-color 150ms ease, color 150ms ease;
}

.page-disclaimer .dis-toc-list a:hover,
.page-disclaimer .dis-toc-list a:focus-visible {
  border-color: var(--signal);
  color: var(--signal-soft);
}

.page-disclaimer .dis-toc-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--signal);
}

/* ---------- 章节 ---------- */
.page-disclaimer .dis-section {
  padding-top: clamp(1rem, 2.5vw, 1.5rem);
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
  border-top: var(--dis-line);
  scroll-margin-top: 110px;
}

.page-disclaimer .dis-clauses > .dis-section:last-of-type {
  margin-bottom: 0;
}

.page-disclaimer .dis-sec-head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.45rem;
}

.page-disclaimer .dis-num {
  font-family: var(--mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--amber);
}

.page-disclaimer .dis-sec-head h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.2rem, 3.2vw, 1.7rem);
  line-height: 1.32;
  color: var(--paper);
}

.page-disclaimer .dis-intro {
  margin: 0 0 1rem;
  max-width: 62ch;
  font-size: 0.9rem;
  color: var(--muted);
}

/* ---------- 条款条目 ---------- */
.page-disclaimer .dis-rules {
  display: grid;
  gap: 0.6rem;
}

.page-disclaimer .dis-rule {
  border: 1px solid var(--edge);
  border-left: 4px solid var(--signal);
  background: var(--ink-2);
}

.page-disclaimer .dis-rule > summary {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 0.9rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--paper);
  transition: color 150ms ease;
}

.page-disclaimer .dis-rule > summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .dis-rule > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--signal);
}

.page-disclaimer .dis-rule[open] > summary::after {
  content: "–";
}

.page-disclaimer .dis-rule > summary:hover {
  color: var(--signal-soft);
}

.page-disclaimer .dis-rule > summary:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: -2px;
}

.page-disclaimer .dis-rule-body {
  padding: 0 0.9rem 1rem;
}

.page-disclaimer .dis-rule-body p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--paper);
  opacity: 0.9;
}

.page-disclaimer .dis-rule-body p + p {
  margin-top: 0.5rem;
}

.page-disclaimer .dis-rule-body a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid var(--edge);
}

.page-disclaimer .dis-rule-body a:hover {
  color: var(--signal-soft);
  border-bottom-color: var(--signal);
}

.page-disclaimer .dis-rule--warn {
  border-left-color: var(--amber);
  background: linear-gradient(90deg, rgba(255, 176, 46, 0.1) 0%, var(--ink-2) 62%);
}

.page-disclaimer .dis-rule--warn > summary::after {
  color: var(--amber);
}

.page-disclaimer .dis-snippet {
  margin: 0.6rem 0 0;
  padding: 0.6rem 0.7rem;
  border: 1px dashed var(--edge);
  background: var(--card);
  font-family: var(--mono);
  font-size: 0.74rem;
  line-height: 1.65;
  color: var(--signal-soft);
  white-space: pre-wrap;
  word-break: break-word;
}

/* ---------- 联系信息 ---------- */
.page-disclaimer .dis-contact {
  display: grid;
  gap: 0.6rem;
  margin-top: 0.5rem;
}

.page-disclaimer .dis-contact-row {
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--edge);
  border-left: 3px solid var(--edge);
  background: var(--card);
}

.page-disclaimer .dis-contact-key {
  display: block;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-disclaimer .dis-contact-val {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.9rem;
  color: var(--paper);
  word-break: break-word;
}

.page-disclaimer .dis-closing {
  margin: 1rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.page-disclaimer .dis-closing a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid var(--edge);
}

.page-disclaimer .dis-closing a:hover {
  color: var(--signal-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .dis-contact {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .dis-hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
  }

  .page-disclaimer .dis-hero-media img {
    aspect-ratio: 4 / 3;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .dis-body {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }

  .page-disclaimer .dis-toc {
    position: sticky;
    top: 96px;
  }

  .page-disclaimer .dis-toc-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }

  .page-disclaimer .dis-toc-list li + li {
    border-top: 1px solid var(--edge);
  }

  .page-disclaimer .dis-toc-list a {
    width: 100%;
    border: 0;
    border-left: 2px solid transparent;
    padding: 0.55rem 0.25rem;
  }

  .page-disclaimer .dis-toc-list a:hover,
  .page-disclaimer .dis-toc-list a:focus-visible {
    border-left-color: var(--signal);
    padding-left: 0.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer *,
  .page-disclaimer *::before,
  .page-disclaimer *::after {
    transition: none !important;
    animation: none !important;
  }
}