.page-disclaimer {
  --dc-rule: rgba(56, 73, 92, 0.72);
  --dc-step-base: 18px;
  --dc-step-gap: 11px;
}

.page-disclaimer .dc-anchor {
  display: block;
  position: relative;
  top: -24px;
  width: 1px;
  height: 1px;
}

.page-disclaimer .breadcrumb {
  margin: 0 0 clamp(18px, 2.6vw, 30px);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.03em;
}

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

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

.page-disclaimer .breadcrumb li[aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */

.page-disclaimer .dc-hero {
  border-top: 1px solid var(--line);
  padding-top: clamp(20px, 3vw, 34px);
}

.page-disclaimer .dc-hero .eyebrow {
  margin: 0 0 14px;
}

.page-disclaimer .dc-hero-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(40px, 6.4vw, 78px);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .dc-hero-title::after {
  content: "";
  display: block;
  width: clamp(48px, 8vw, 96px);
  height: 3px;
  margin-top: 16px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  border-radius: 2px;
}

.page-disclaimer .dc-hero-lede {
  max-width: 64ch;
  margin: 0;
  color: var(--paper);
  opacity: 0.92;
}

.page-disclaimer .dc-hero-media {
  position: relative;
  margin: clamp(22px, 3.4vw, 42px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--ink-panel);
}

.page-disclaimer .dc-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(112deg, rgba(47, 224, 208, 0.16) 0%, rgba(47, 224, 208, 0) 44%, rgba(255, 122, 41, 0.12) 100%);
}

.page-disclaimer .dc-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-disclaimer .dc-hero-caption {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 2;
  margin: 0;
  padding: 4px 10px;
  border: 1px solid var(--dc-rule);
  border-radius: var(--radius-sm);
  background: rgba(6, 16, 28, 0.72);
  color: var(--paper);
  opacity: 0.82;
}

/* ---------- 台阶式章节索引 ---------- */

.page-disclaimer .dc-index {
  margin-top: clamp(30px, 4.4vw, 58px);
  padding-top: clamp(16px, 2.2vw, 24px);
  border-top: 1px solid var(--line);
}

.page-disclaimer .dc-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.page-disclaimer .dc-index-list > li {
  display: flex;
  align-items: stretch;
}

.page-disclaimer .dc-index-list > li > a {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--ink-panel);
  text-decoration: none;
  color: var(--paper);
  transition: border-color var(--dur) var(--ease),
              background var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}

.page-disclaimer .dc-index-list > li > a:hover,
.page-disclaimer .dc-index-list > li > a:focus-visible {
  border-color: var(--cyan);
  background: rgba(47, 224, 208, 0.09);
  transform: translateY(-2px);
}

.page-disclaimer .dc-index-num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-disclaimer .dc-index-label {
  font-size: var(--fs-14);
  line-height: 1.4;
  color: var(--paper);
}

/* ---------- 正文 ---------- */

.page-disclaimer .dc-body {
  margin-top: clamp(34px, 5vw, 68px);
  display: grid;
  gap: clamp(28px, 3.6vw, 46px);
}

.page-disclaimer .dc-sec {
  border-top: 1px solid var(--line);
  padding-top: clamp(20px, 2.8vw, 34px);
  scroll-margin-top: 84px;
}

.page-disclaimer .dc-sec-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-22);
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--cyan);
  padding-bottom: 10px;
}

.page-disclaimer .dc-sec-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: var(--fs-30);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-disclaimer .dc-sec-main p {
  margin: 0 0 14px;
  max-width: 74ch;
  line-height: 1.78;
  color: var(--paper);
  opacity: 0.9;
}

.page-disclaimer .dc-sec-main p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .dc-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-disclaimer .dc-list > li {
  position: relative;
  padding-left: 24px;
  max-width: 74ch;
  line-height: 1.78;
  color: var(--paper);
  opacity: 0.88;
}

.page-disclaimer .dc-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 12px;
  height: 2px;
  background: var(--cyan);
  border-radius: 1px;
}

.page-disclaimer .dc-note {
  margin-top: 20px;
  padding: 14px 18px;
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(255, 122, 41, 0.07);
}

.page-disclaimer .dc-note .note {
  margin: 0;
  max-width: 70ch;
  line-height: 1.7;
  color: var(--paper);
  opacity: 0.78;
}

/* 折叠说明 */

.page-disclaimer .dc-details {
  margin-top: 22px;
  border: 1px dashed var(--line);
  border-radius: var(--radius-sm);
  background: rgba(47, 224, 208, 0.05);
  overflow: hidden;
}

.page-disclaimer .dc-details > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.02em;
  color: var(--cyan);
}

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

.page-disclaimer .dc-details > summary::before {
  content: "+";
  flex: none;
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--cyan);
  border-radius: var(--radius-sm);
  font-size: var(--fs-12);
  line-height: 1;
}

.page-disclaimer .dc-details[open] > summary::before {
  content: "–";
  background: var(--cyan);
  color: var(--ink-deep);
}

.page-disclaimer .dc-details > summary:hover {
  background: rgba(47, 224, 208, 0.08);
}

.page-disclaimer .dc-details-body {
  padding: 0 18px 18px;
}

.page-disclaimer .dc-details-body .dc-list {
  margin-top: 0;
}

/* ---------- 收尾 ---------- */

.page-disclaimer .dc-outro {
  margin-top: clamp(34px, 4.6vw, 62px);
  border-top: 1px solid var(--line);
  padding-top: clamp(22px, 3vw, 36px);
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  align-items: center;
  justify-content: space-between;
}

.page-disclaimer .dc-outro-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: var(--fs-22);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-disclaimer .dc-outro-text .note {
  margin: 0;
  max-width: 52ch;
}

.page-disclaimer .dc-outro-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.page-disclaimer .dc-toplink {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .dc-toplink:hover,
.page-disclaimer .dc-toplink:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-disclaimer .dc-index-list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 8px;
    align-items: end;
  }

  .page-disclaimer .dc-index-list > li > a {
    padding: 18px 16px;
  }

  .page-disclaimer .dc-index-list > li:nth-child(1) > a {
    padding-top: calc(var(--dc-step-base) + var(--dc-step-gap) * 4);
  }

  .page-disclaimer .dc-index-list > li:nth-child(2) > a {
    padding-top: calc(var(--dc-step-base) + var(--dc-step-gap) * 3);
  }

  .page-disclaimer .dc-index-list > li:nth-child(3) > a {
    padding-top: calc(var(--dc-step-base) + var(--dc-step-gap) * 2);
  }

  .page-disclaimer .dc-index-list > li:nth-child(4) > a {
    padding-top: calc(var(--dc-step-base) + var(--dc-step-gap));
  }

  .page-disclaimer .dc-index-list > li:nth-child(5) > a {
    padding-top: var(--dc-step-base);
  }
}

@media (min-width: 900px) {
  .page-disclaimer .dc-sec {
    display: grid;
    grid-template-columns: 84px minmax(0, 1fr);
    column-gap: 22px;
  }

  .page-disclaimer .dc-sec-num {
    padding-bottom: 0;
    padding-top: 6px;
    font-size: var(--fs-30);
    text-align: left;
  }

  .page-disclaimer .dc-sec-main {
    border-left: 1px solid var(--dc-rule);
    padding-left: 26px;
  }

  .page-disclaimer .dc-hero-lede {
    font-size: var(--fs-22);
    line-height: 1.7;
  }
}

@media (max-width: 420px) {
  .page-disclaimer .dc-hero-caption {
    position: static;
    display: inline-block;
    margin: 10px 12px 12px;
    border-color: transparent;
    background: transparent;
    padding: 0;
  }

  .page-disclaimer .dc-list > li {
    padding-left: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-index-list > li > a,
  .page-disclaimer .dc-toplink {
    transition: none;
  }

  .page-disclaimer .dc-index-list > li > a:hover {
    transform: none;
  }
}