.page-disclaimer {
  --dp-hero-min: 21rem;
  --dp-clause-gap: clamp(2.6rem, 5vw, 4.2rem);
  --dp-text: #c9d8e6;
  background: var(--deep);
}

/* ---------- 首屏：灯光视觉 + 规范标题 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--deep);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .usage-hero-visual {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
  z-index: 0;
}

.page-disclaimer .usage-hero-veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(6, 26, 46, 0.5) 0%, rgba(6, 26, 46, 0.86) 58%, var(--deep) 100%),
    linear-gradient(90deg, rgba(6, 26, 46, 0.92) 0%, rgba(6, 26, 46, 0.3) 70%);
}

.page-disclaimer .usage-hero-inner {
  position: relative;
  z-index: 2;
  min-height: var(--dp-hero-min);
  padding-block: clamp(2.2rem, 6vw, 3.4rem) clamp(2.6rem, 6vw, 4rem);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 1rem;
}

.page-disclaimer .breadcrumb {
  color: var(--mist);
  margin-bottom: 0.4rem;
}

.page-disclaimer .breadcrumb a {
  color: var(--cyan-soft);
}

.page-disclaimer h1 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.1rem, 7vw, 3.4rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--white);
}

.page-disclaimer .lede {
  margin: 0;
  max-width: 48ch;
  color: var(--dp-text);
  font-size: clamp(0.98rem, 2.4vw, 1.06rem);
  line-height: 1.85;
}

.page-disclaimer .hero-tags {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-disclaimer .hero-tags li {
  font-family: var(--font-num);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--cyan-soft);
  background: rgba(11, 39, 69, 0.72);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.34rem 0.82rem;
}

.page-disclaimer .hero-tags li:first-child {
  border-color: var(--lava);
  color: var(--amber);
}

/* ---------- 正文布局 ---------- */
.page-disclaimer .usage-body {
  padding-block: clamp(2.6rem, 7vw, 5.4rem);
  background: var(--deep);
}

.page-disclaimer .usage-layout {
  row-gap: 2.2rem;
  align-items: start;
}

/* ---------- 条款目录 ---------- */
.page-disclaimer .usage-toc {
  align-self: start;
}

.page-disclaimer .toc-label {
  margin: 0 0 0.9rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-num);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-disclaimer .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.page-disclaimer .toc-list a {
  display: flex;
  align-items: baseline;
  gap: 0.72rem;
  padding: 0.55rem 0.2rem;
  border-left: 2px solid transparent;
  color: var(--mist);
  font-size: 0.94rem;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .toc-list a:hover,
.page-disclaimer .toc-list a:focus-visible {
  color: var(--white);
  border-left-color: var(--lava);
}

.page-disclaimer .toc-num {
  font-family: var(--font-num);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* ---------- 条款块 ---------- */
.page-disclaimer .clause {
  margin: 0 0 var(--dp-clause-gap);
  padding: 0;
  scroll-margin-top: calc(var(--header-h) + 1.4rem);
}

.page-disclaimer .clause:last-child {
  margin-bottom: 0;
}

.page-disclaimer .clause--band {
  padding: clamp(1.3rem, 3.4vw, 2.1rem);
  background: var(--night);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.page-disclaimer .clause--alert {
  padding-left: clamp(1rem, 3vw, 1.6rem);
  border-left: 3px solid var(--lava);
}

.page-disclaimer .clause-head {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  margin-bottom: 1rem;
}

.page-disclaimer .clause-num {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(1.5rem, 5vw, 2.2rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-disclaimer .clause--alert .clause-num {
  color: var(--lava);
}

.page-disclaimer .clause-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.3rem, 3.6vw, 1.72rem);
  letter-spacing: -0.02em;
  color: var(--white);
}

/* ---------- 条款正文 ---------- */
.page-disclaimer .prose {
  color: var(--dp-text);
  max-width: 74ch;
}

.page-disclaimer .prose p {
  margin: 0 0 0.95rem;
  line-height: 1.85;
}

.page-disclaimer .prose h3 {
  margin: 1.6rem 0 0.5rem;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--cyan-soft);
}

.page-disclaimer .prose ul,
.page-disclaimer .prose ol {
  margin: 0.6rem 0 1rem;
  padding-left: 1.15rem;
}

.page-disclaimer .prose li {
  margin-bottom: 0.6rem;
  line-height: 1.8;
}

.page-disclaimer .prose li::marker {
  color: var(--cyan);
}

.page-disclaimer .prose a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .prose a:hover {
  color: var(--cyan-soft);
}

/* ---------- 禁止行为编号列表 ---------- */
.page-disclaimer .clause-list {
  list-style: none;
  counter-reset: ban;
  margin: 0.8rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-disclaimer .clause-list li {
  position: relative;
  counter-increment: ban;
  padding-left: 2.5rem;
  margin: 0;
}

.page-disclaimer .clause-list li::before {
  content: counter(ban, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.15rem;
  font-family: var(--font-num);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--lava);
}

/* ---------- 可展开条款摘要 ---------- */
.page-disclaimer .clause-more {
  margin-top: 1.3rem;
  background: var(--night);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-disclaimer .clause--band .clause-more {
  background: rgba(6, 26, 46, 0.6);
}

.page-disclaimer .clause-more summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.1rem;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--cyan);
  transition: color 0.2s var(--ease);
}

.page-disclaimer .clause-more summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .clause-more summary::after {
  content: "+";
  font-family: var(--font-num);
  font-size: 1.05rem;
  color: var(--lava);
}

.page-disclaimer .clause-more[open] summary::after {
  content: "\2013";
}

.page-disclaimer .clause-more summary:hover {
  color: var(--cyan-soft);
}

.page-disclaimer .clause-more-body {
  padding: 0 1.1rem 1.05rem;
  color: var(--dp-text);
  font-size: 0.95rem;
  line-height: 1.85;
}

.page-disclaimer .clause-more-body ul {
  margin: 0;
  padding-left: 1.1rem;
}

.page-disclaimer .clause-more-body li {
  margin-bottom: 0.5rem;
}

.page-disclaimer .clause-more-body li::marker {
  color: var(--cyan);
}

.page-disclaimer .clause-more-body strong {
  color: var(--white);
}

/* ---------- 窄屏 ---------- */
@media (max-width: 899px) {
  .page-disclaimer .usage-toc {
    position: static;
  }

  .page-disclaimer .toc-list {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 0.5rem;
    padding-bottom: 0.55rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }

  .page-disclaimer .toc-list li {
    flex: 0 0 auto;
  }

  .page-disclaimer .toc-list a {
    border-left: 0;
    border-bottom: 2px solid transparent;
    padding: 0.45rem 0.7rem;
    border-radius: var(--r-sm);
    background: var(--night);
    white-space: nowrap;
  }

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

@media (max-width: 599px) {
  .page-disclaimer .usage-hero-inner {
    min-height: 18rem;
  }

  .page-disclaimer .clause--band {
    border-radius: var(--r-md);
  }

  .page-disclaimer .clause--alert {
    padding-left: 0.9rem;
  }

  .page-disclaimer .clause-head {
    flex-direction: column;
    gap: 0.35rem;
  }

  .page-disclaimer .clause-more summary {
    font-size: 0.9rem;
    padding: 0.8rem 0.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .toc-list a,
  .page-disclaimer .clause-more summary {
    transition: none;
  }
}