.page-disclaimer {
  --dc-num: clamp(54px, 13vw, 118px);
  --dc-line: rgba(42, 42, 56, 0.72);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dc-hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 72px;
  background:
    radial-gradient(85% 130% at 88% -10%, rgba(124, 77, 255, 0.24), transparent 62%),
    radial-gradient(60% 90% at 8% 110%, rgba(47, 208, 255, 0.1), transparent 60%),
    linear-gradient(180deg, #0B0B12 0%, var(--ink) 100%);
}

.page-disclaimer .dc-hero__media {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  pointer-events: none;
}

.page-disclaimer .dc-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 42%, #000 72%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 42%, #000 72%, transparent 100%);
}

.page-disclaimer .dc-hero__slash {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 96px;
  opacity: 0.55;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(255, 138, 61, 0.18), rgba(200, 162, 74, 0.52) 32%, rgba(47, 208, 255, 0.16) 74%, transparent 100%);
  clip-path: polygon(0 100%, 0 66%, 100% 0, 100% 100%);
}

.page-disclaimer .dc-hero__inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .dc-hero__title {
  margin: 16px 0 0;
  font-size: clamp(38px, 7.4vw, 90px);
  font-weight: 200;
  line-height: 1.06;
  letter-spacing: 0.03em;
  color: transparent;
  background: linear-gradient(180deg, var(--champagne) 0%, var(--gold) 56%, #8A6A28 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.page-disclaimer .dc-hero__lead {
  margin: 22px 0 0;
  max-width: var(--measure);
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
  opacity: 0.84;
}

/* ---------- 条目索引 ---------- */
.page-disclaimer .dc-index {
  position: relative;
  background: var(--obsidian);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .dc-index__inner {
  display: flex;
  align-items: stretch;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-disclaimer .dc-index__link {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  margin-right: 30px;
  padding: 17px 0 15px;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .dc-index__link:last-child {
  margin-right: 0;
}

.page-disclaimer .dc-index__link:hover,
.page-disclaimer .dc-index__link:focus-visible {
  color: var(--text);
  border-bottom-color: var(--amber);
}

.page-disclaimer .dc-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

/* ---------- 正文列表 ---------- */
.page-disclaimer .dc-body {
  padding-top: 4px;
  padding-bottom: 32px;
}

.page-disclaimer .dc-rule {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 42px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 32px;
}

.page-disclaimer .dc-rule:first-child {
  border-top: 0;
}

.page-disclaimer .dc-rule__num {
  margin: 0;
  display: block;
  font-family: var(--font-mono);
  font-size: var(--dc-num);
  font-weight: 200;
  line-height: 0.82;
  letter-spacing: -0.03em;
  color: transparent;
  background: linear-gradient(180deg, rgba(242, 217, 160, 0.88), rgba(200, 162, 74, 0.26) 58%, rgba(200, 162, 74, 0.04) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  user-select: none;
}

.page-disclaimer .dc-rule__kicker {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--electric);
  opacity: 0.78;
}

.page-disclaimer .dc-rule__title {
  margin: 0 0 16px;
  font-size: clamp(21px, 3.2vw, 30px);
  font-weight: 300;
  letter-spacing: 0.02em;
  line-height: 1.3;
  color: var(--text);
}

.page-disclaimer .dc-rule__note {
  margin: 0 0 14px;
  max-width: var(--measure);
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .dc-rule a {
  color: var(--electric);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 208, 255, 0.32);
  transition: border-color 0.2s var(--ease);
}

.page-disclaimer .dc-rule a:hover,
.page-disclaimer .dc-rule a:focus-visible {
  border-bottom-color: var(--amber);
}

.page-disclaimer .dc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: var(--measure);
}

.page-disclaimer .dc-list > li {
  position: relative;
  padding: 14px 0 14px 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-disclaimer .dc-list > li + li {
  border-top: 1px solid var(--dc-line);
}

.page-disclaimer .dc-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 2px;
  height: 0;
  border-radius: 2px;
  background: var(--amber);
  transition: height 0.28s var(--ease);
}

.page-disclaimer .dc-list > li:hover::before,
.page-disclaimer .dc-list > li:focus-within::before {
  height: 16px;
}

.page-disclaimer .dc-steps {
  list-style: none;
  counter-reset: dcstep;
  margin: 0;
  padding: 0;
  max-width: var(--measure);
}

.page-disclaimer .dc-steps > li {
  counter-increment: dcstep;
  position: relative;
  padding: 15px 0 15px 42px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-disclaimer .dc-steps > li + li {
  border-top: 1px solid var(--dc-line);
}

.page-disclaimer .dc-steps > li::before {
  content: "0" counter(dcstep);
  position: absolute;
  left: 0;
  top: 17px;
  padding: 1px 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--gold);
  border: 1px solid var(--line);
  border-radius: 2px;
}

.page-disclaimer .dc-steps strong {
  color: var(--amber);
  font-weight: 500;
}

/* ---------- 折叠条目 ---------- */
.page-disclaimer .dc-fold {
  margin-top: 20px;
  max-width: var(--measure);
  padding-left: 16px;
  border-left: 2px solid var(--line);
  transition: border-color 0.28s var(--ease);
}

.page-disclaimer .dc-fold[open] {
  border-left-color: var(--amber);
}

.page-disclaimer .dc-fold > summary {
  list-style: none;
  cursor: pointer;
  padding: 4px 0;
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--gold);
}

.page-disclaimer .dc-fold > summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .dc-fold > summary::after {
  content: "+";
  float: right;
  font-family: var(--font-mono);
  color: var(--muted);
}

.page-disclaimer .dc-fold[open] > summary::after {
  content: "−";
}

.page-disclaimer .dc-fold p {
  margin: 8px 0 6px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 页脚行动条 ---------- */
.page-disclaimer .dc-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 28px;
  align-items: center;
  justify-content: space-between;
  padding: 34px 0 64px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .dc-foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}

.page-disclaimer .dc-foot__links a {
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-disclaimer .dc-foot__links a:hover,
.page-disclaimer .dc-foot__links a:focus-visible {
  color: var(--electric);
}

.page-disclaimer .dc-top {
  display: inline-flex;
  align-items: center;
  padding: 11px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
  text-decoration: none;
  border: 1px solid var(--line);
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-disclaimer .dc-top:hover,
.page-disclaimer .dc-top:focus-visible {
  color: var(--champagne);
  border-color: var(--amber);
  background-color: rgba(255, 138, 61, 0.08);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-disclaimer .dc-hero {
    padding: 112px 0 92px;
  }

  .page-disclaimer .dc-hero__lead {
    font-size: 16px;
  }

  .page-disclaimer .dc-rule {
    grid-template-columns: minmax(96px, 168px) minmax(0, 1fr);
    gap: 48px;
    padding: 54px 0;
  }

  .page-disclaimer .dc-rule__num {
    padding-top: 4px;
  }

  .page-disclaimer .dc-list > li,
  .page-disclaimer .dc-steps > li {
    font-size: 16px;
  }

  .page-disclaimer .dc-rule__note,
  .page-disclaimer .dc-fold p {
    font-size: 15px;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .dc-rule {
    grid-template-columns: minmax(120px, 200px) minmax(0, 1fr);
    gap: 64px;
    padding: 60px 0;
  }

  .page-disclaimer .dc-hero__title {
    letter-spacing: 0.04em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-index__link,
  .page-disclaimer .dc-list > li::before,
  .page-disclaimer .dc-fold,
  .page-disclaimer .dc-foot__links a,
  .page-disclaimer .dc-top,
  .page-disclaimer .dc-rule a {
    transition: opacity 0.12s linear;
  }

  .page-disclaimer .dc-list > li:hover::before,
  .page-disclaimer .dc-list > li:focus-within::before {
    height: 0;
  }
}