.page-disclaimer {
  --dc-paper-ink: rgba(28, 21, 16, 0.84);
  --dc-ice-soft: rgba(232, 237, 247, 0.82);
  background: var(--night);
  color: var(--ice);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(22px, 4vw, 40px) 0 clamp(32px, 6vw, 68px);
  border-bottom: 1px solid var(--line-strong);
}

.page-disclaimer .dc-hero-img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-disclaimer .dc-hero-grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(11, 16, 38, 0.5) 0%, rgba(11, 16, 38, 0.93) 72%, var(--night) 100%),
    repeating-linear-gradient(90deg, rgba(45, 226, 197, 0.09) 0 1px, transparent 1px 58px),
    repeating-linear-gradient(0deg, rgba(255, 122, 61, 0.07) 0 1px, transparent 1px 58px);
}

.page-disclaimer .dc-hero-inner {
  position: relative;
}

.page-disclaimer .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0 0 clamp(20px, 3vw, 34px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-disclaimer .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-strong);
}

.page-disclaimer .breadcrumb a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

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

.page-disclaimer .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-disclaimer h1 {
  margin: 0 0 clamp(16px, 3vw, 24px);
  font-family: var(--font-display);
  font-size: clamp(2rem, 6.2vw, 3.8rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.08;
  color: var(--ice);
}

.page-disclaimer .dc-lede {
  max-width: 60ch;
  margin: 0 0 clamp(24px, 4vw, 36px);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--dc-ice-soft);
}

.page-disclaimer .dc-hero-meta {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: clamp(16px, 3vw, 20px) 0 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.page-disclaimer .dc-hero-meta li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-disclaimer .dc-meta-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--steel);
}

.page-disclaimer .dc-meta-val {
  font-size: 14px;
  color: var(--ice);
}

/* ---------- 主布局 ---------- */
.page-disclaimer .dc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  padding: clamp(28px, 5vw, 52px) 0 clamp(48px, 8vw, 96px);
}

/* ---------- 目录 ---------- */
.page-disclaimer .dc-toc {
  border-top: 1px solid var(--line-strong);
  padding-top: 14px;
  min-width: 0;
}

.page-disclaimer .dc-toc-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .dc-toc-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
}

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

.page-disclaimer .dc-toc-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  color: var(--ice);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease), color 0.18s var(--ease);
}

.page-disclaimer .dc-toc-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-disclaimer .dc-toc-list a:hover,
.page-disclaimer .dc-toc-list a:focus-visible {
  border-color: var(--cyan);
  background: var(--night-2);
  color: var(--cyan);
}

/* ---------- 正文 ---------- */
.page-disclaimer .dc-body {
  min-width: 0;
}

.page-disclaimer .dc-summary {
  margin: 0 0 clamp(26px, 4vw, 40px);
  border: 1px solid var(--line-strong);
  background: var(--night-2);
}

.page-disclaimer .dc-summary summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

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

.page-disclaimer .dc-summary summary::after {
  content: "+";
  flex: 0 0 auto;
  font-size: 18px;
  line-height: 1;
  color: var(--amber);
}

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

.page-disclaimer .dc-summary summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -4px;
}

.page-disclaimer .dc-summary ul {
  margin: 0;
  padding: 4px 18px 20px;
  list-style: none;
}

.page-disclaimer .dc-summary li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 12px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--dc-ice-soft);
}

.page-disclaimer .dc-summary li:last-child {
  margin-bottom: 0;
}

.page-disclaimer .dc-summary li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-disclaimer .dc-clause {
  margin: 0 0 clamp(26px, 3.6vw, 36px);
  padding-top: clamp(18px, 2.4vw, 24px);
  border-top: 1px solid var(--line-strong);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-disclaimer .dc-clause-num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-disclaimer .dc-clause h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.8vw, 1.6rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.32;
  color: var(--ice);
}

.page-disclaimer .dc-clause p {
  max-width: 64ch;
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--dc-ice-soft);
}

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

.page-disclaimer .dc-clause a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 226, 197, 0.45);
  transition: border-color 0.18s var(--ease);
}

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

.page-disclaimer .dc-clause--paper {
  padding: clamp(20px, 3.4vw, 30px);
  background: var(--paper);
  border-top-color: var(--line-paper);
  box-shadow: 0 0 0 1px rgba(28, 21, 16, 0.1);
}

.page-disclaimer .dc-clause--paper .dc-clause-num {
  color: var(--rust);
}

.page-disclaimer .dc-clause--paper h2 {
  color: var(--ink);
}

.page-disclaimer .dc-clause--paper p {
  color: var(--dc-paper-ink);
}

.page-disclaimer .dc-clause--paper a {
  color: var(--rust);
  border-bottom-color: rgba(178, 58, 30, 0.4);
}

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

/* ---------- 延伸阅读 ---------- */
.page-disclaimer .dc-cta {
  border-top: 1px solid var(--line-strong);
  padding-top: clamp(18px, 2.6vw, 24px);
  margin-top: clamp(8px, 2vw, 16px);
}

.page-disclaimer .dc-cta-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-disclaimer .dc-cta-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dc-cta-list a {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--ice);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-disclaimer .dc-cta-list a:hover,
.page-disclaimer .dc-cta-list a:focus-visible {
  border-color: var(--cyan);
  background: var(--night-2);
  transform: translateY(-2px);
}

.page-disclaimer .dc-cta-label {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-disclaimer .dc-cta-desc {
  display: block;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 620px) {
  .page-disclaimer .dc-hero-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-disclaimer .dc-cta-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-disclaimer .dc-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 68px);
  }

  .page-disclaimer .dc-toc {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
    border-top: 0;
    border-left: 1px solid var(--line-strong);
    padding: 2px 0 0 18px;
  }

  .page-disclaimer .dc-toc-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .dc-toc-list li {
    flex: 1 1 auto;
  }

  .page-disclaimer .dc-toc-list a {
    display: flex;
    width: 100%;
    padding: 9px 0;
    border: 0;
    border-bottom: 1px solid var(--line);
    white-space: normal;
  }

  .page-disclaimer .dc-toc-list a:hover,
  .page-disclaimer .dc-toc-list a:focus-visible {
    background: transparent;
    border-bottom-color: var(--cyan);
    transform: translateX(3px);
  }

  .page-disclaimer .dc-clause {
    margin-bottom: 40px;
  }
}

@media (min-width: 1120px) {
  .page-disclaimer .dc-summary {
    max-width: none;
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-toc-list a,
  .page-disclaimer .dc-cta-list a,
  .page-disclaimer .breadcrumb a,
  .page-disclaimer .dc-clause a {
    transition: none;
  }

  .page-disclaimer .dc-cta-list a:hover,
  .page-disclaimer .dc-cta-list a:focus-visible,
  .page-disclaimer .dc-toc-list a:hover,
  .page-disclaimer .dc-toc-list a:focus-visible {
    transform: none;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-disclaimer {
    background: #ffffff;
    color: #000000;
  }

  .page-disclaimer .dc-hero {
    border-bottom: 1px solid #999999;
    padding: 0 0 16px;
  }

  .page-disclaimer .dc-hero-img,
  .page-disclaimer .dc-hero-grid,
  .page-disclaimer .dc-toc,
  .page-disclaimer .dc-summary,
  .page-disclaimer .dc-cta {
    display: none;
  }

  .page-disclaimer h1,
  .page-disclaimer .dc-clause h2,
  .page-disclaimer .dc-clause-num,
  .page-disclaimer .dc-meta-val,
  .page-disclaimer .dc-meta-key,
  .page-disclaimer .eyebrow {
    color: #000000;
  }

  .page-disclaimer .dc-lede,
  .page-disclaimer .dc-clause p {
    color: #1c1510;
    max-width: none;
  }

  .page-disclaimer .dc-clause {
    break-inside: avoid;
    border-top: 1px solid #999999;
    margin-bottom: 18px;
  }

  .page-disclaimer .dc-clause--paper {
    background: transparent;
    padding: 0;
    box-shadow: none;
  }

  .page-disclaimer .dc-clause a {
    color: #1c1510;
    border-bottom: 0;
  }
}