.page-disclaimer {
  --dn-num-w: 2.6rem;
  --dn-line-h: 7px;
  padding-bottom: 4rem;
  color: var(--ink);
}

/* 页头 */
.page-disclaimer .dn-head {
  max-width: 44rem;
  margin: 2.25rem 0 2.5rem;
}

.page-disclaimer .dn-head h1 {
  margin: .75rem 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.85rem, 5.2vw, 3.4rem);
  line-height: 1.18;
  letter-spacing: -.02em;
  color: var(--ink);
  text-shadow: 0 0 26px rgba(43, 245, 224, .22);
}

.page-disclaimer .dn-lead {
  margin: 0;
  max-width: 42rem;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--muted);
}

/* 首屏横幅 */
.page-disclaimer .dn-banner {
  position: relative;
  margin: 0 0 2.75rem;
  overflow: hidden;
  border-radius: 3px;
}

.page-disclaimer .dn-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-disclaimer .dn-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 6, 22, 0) 48%, rgba(11, 6, 22, .82) 100%);
  pointer-events: none;
}

/* 索引目录 */
.page-disclaimer .dn-toc {
  margin-bottom: 3.25rem;
  padding: 1.4rem 0 1.5rem;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .dn-toc-label {
  margin: 0 0 .9rem;
  font-size: .68rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-disclaimer .dn-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-disclaimer .dn-toc-list a {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  padding: .35rem 0;
  font-size: .95rem;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

.page-disclaimer .dn-toc-num {
  font-size: .74rem;
  letter-spacing: .2em;
}

/* 条款主体 */
.page-disclaimer .dn-body {
  max-width: 44rem;
}

.page-disclaimer .dn-clause {
  margin-bottom: 3rem;
}

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

/* 刻度线 */
.page-disclaimer .dn-rule {
  position: relative;
  margin-bottom: 1.6rem;
  padding-bottom: .35rem;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .dn-rule::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: var(--dn-line-h);
  background-image: repeating-linear-gradient(
    90deg,
    var(--line-soft) 0 1px,
    transparent 1px 13px
  );
  pointer-events: none;
}

.page-disclaimer .dn-rule-num {
  position: relative;
  z-index: 1;
  display: inline-block;
  padding: 0 .55rem .12rem 0;
  background: var(--bg);
  font-size: .72rem;
  letter-spacing: .26em;
  line-height: 1;
}

.page-disclaimer .dn-clause h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  letter-spacing: .012em;
  line-height: 1.35;
  color: var(--ink);
}

.page-disclaimer .dn-clause p {
  margin: 0 0 1rem;
  max-width: 42rem;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--ink);
}

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

.page-disclaimer .dn-clause a,
.page-disclaimer .dn-edge a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 245, 224, .4);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-disclaimer .dn-clause a:hover,
.page-disclaimer .dn-edge a:hover,
.page-disclaimer .dn-clause a:focus-visible,
.page-disclaimer .dn-edge a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* 品红左边线强调块 */
.page-disclaimer .dn-edge {
  margin: 1.25rem 0;
  padding: .85rem 1rem .85rem 1.1rem;
  border-left: 2px solid var(--magenta);
  background: linear-gradient(90deg, rgba(255, 61, 190, .1), rgba(255, 61, 190, 0) 72%);
  font-size: .95rem;
  line-height: 1.85;
  color: var(--ink);
}

/* 条目列表 */
.page-disclaimer .dn-list {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-disclaimer .dn-list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-disclaimer .dn-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-disclaimer .dn-list strong {
  font-weight: 600;
  color: var(--ink);
}

/* 引用格式示例 */
.page-disclaimer .dn-quote {
  margin: 1.25rem 0;
  padding: .95rem 1.1rem;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background: rgba(26, 16, 48, .62);
  font-family: var(--font-mono);
  font-size: .85rem;
  line-height: 1.9;
  color: var(--ink);
  overflow-x: auto;
}

.page-disclaimer .dn-quote p {
  margin: 0;
  max-width: none;
  font-size: inherit;
  line-height: inherit;
}

.page-disclaimer .dn-quote-key {
  display: inline-block;
  min-width: 3rem;
  margin-right: .5rem;
  color: var(--muted);
  letter-spacing: .1em;
}

/* 页尾索引 */
.page-disclaimer .dn-foot {
  margin-top: 3.5rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
}

.page-disclaimer .dn-foot-lead {
  margin: 0 0 1.15rem;
  max-width: 42rem;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .dn-foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-disclaimer .dn-foot-links a {
  display: inline-block;
  padding: .45rem .85rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-size: .85rem;
  color: var(--ink);
  text-decoration: none;
  transition: border-color .2s var(--ease), color .2s var(--ease), background-color .2s var(--ease);
}

.page-disclaimer .dn-foot-links a:hover,
.page-disclaimer .dn-foot-links a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(43, 245, 224, .07);
}

/* 响应式 */
@media (min-width: 640px) {
  .page-disclaimer .dn-toc-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .5rem 2rem;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .dn-toc-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .dn-head {
    margin-top: 3rem;
  }
}

@media (max-width: 639px) {
  .page-disclaimer .dn-head {
    margin: 1.5rem 0 1.75rem;
  }

  .page-disclaimer .dn-banner {
    margin-bottom: 2rem;
  }

  .page-disclaimer .dn-toc {
    margin-bottom: 2.25rem;
  }

  .page-disclaimer .dn-clause {
    margin-bottom: 2.25rem;
  }

  .page-disclaimer .dn-clause p,
  .page-disclaimer .dn-list li,
  .page-disclaimer .dn-edge {
    font-size: .92rem;
  }

  .page-disclaimer .dn-quote {
    font-size: .78rem;
    padding: .8rem .85rem;
  }

  .page-disclaimer .dn-foot {
    margin-top: 2.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dn-toc-list a,
  .page-disclaimer .dn-clause a,
  .page-disclaimer .dn-edge a,
  .page-disclaimer .dn-foot-links a {
    transition: none;
  }
}