.page-disclaimer {
  --dc-gap: clamp(30px, 4.6vw, 64px);
  --dc-line: 1px solid var(--line-500);
  background: var(--ink-950);
  color: var(--mist-100);
}

.page-disclaimer .shell {
  padding-block: clamp(18px, 3vw, 38px) clamp(52px, 7vw, 104px);
}

.page-disclaimer a:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 3px;
}

/* 面包屑 */
.page-disclaimer .crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 34px);
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  color: var(--mist-400);
}

.page-disclaimer .crumb a {
  color: var(--mist-400);
  text-decoration: none;
  border-bottom: 1px solid var(--line-500);
  transition: color var(--ease), border-color var(--ease);
}

.page-disclaimer .crumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-disclaimer .crumb__sep {
  color: var(--line-500);
}

.page-disclaimer .crumb [aria-current="page"] {
  color: var(--mist-100);
}

/* 首屏框景 */
.dc-hero {
  position: relative;
  border: var(--dc-line);
  background: var(--green-900);
  padding: clamp(22px, 4vw, 52px);
}

.dc-hero::before,
.dc-hero::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  border: 1px solid var(--gold);
  pointer-events: none;
}

.dc-hero::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.dc-hero::after {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

.dc-hero__kicker {
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.dc-hero h1 {
  margin: 0;
  font-size: clamp(36px, 8vw, 84px);
  line-height: 1.02;
  letter-spacing: 0.04em;
  font-weight: 800;
}

.dc-hero__lead {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 58ch;
  font-size: var(--step-1);
  line-height: 1.75;
  color: var(--mist-400);
}

.dc-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: clamp(22px, 3.2vw, 40px);
  padding-top: 18px;
  border-top: var(--dc-line);
}

.dc-toc__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 3px;
  font-size: var(--step--1);
  color: var(--mist-100);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}

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

.dc-toc__item[aria-current="true"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.dc-toc__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  color: var(--mist-400);
}

/* 主视觉 */
.dc-plate {
  margin: clamp(26px, 4vw, 54px) 0 0;
  border: var(--dc-line);
  background: var(--green-900);
}

.dc-plate img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.06);
}

.dc-plate__cap {
  display: block;
  padding: 10px 14px;
  border-top: var(--dc-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist-400);
}

/* 条款区块 */
.dc-clause {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  padding-block: clamp(22px, 3.2vw, 40px);
}

.dc-clause__rail {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.dc-clause__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1;
  color: var(--mist-400);
}

.page-disclaimer .annot--rot {
  writing-mode: horizontal-tb;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--line-500);
  text-transform: uppercase;
}

.dc-clause__body h2 {
  margin: 0 0 14px;
  font-size: var(--step-2);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.25;
}

.dc-clause__body > p {
  margin: 0 0 14px;
  max-width: 68ch;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--mist-100);
}

.dc-clause__body .dc-sub {
  margin: 16px 0 0;
  max-width: 68ch;
  font-size: var(--step--1);
  line-height: 1.8;
  color: var(--mist-400);
}

/* 条款列表 */
.dc-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.dc-list li {
  position: relative;
  padding-left: 18px;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--mist-100);
}

.dc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

.dc-list--num li::before {
  background: var(--orange);
}

.dc-list__k {
  margin-right: 8px;
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  color: var(--mist-400);
}

/* 引用示例 */
.dc-sample {
  margin: 18px 0 20px;
  border: var(--dc-line);
  background: var(--green-900);
  padding: clamp(14px, 2.4vw, 24px);
}

.dc-sample code {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(13px, 1.4vw, 15px);
  line-height: 1.8;
  color: var(--cyan);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.dc-sample code + code {
  margin-top: 10px;
}

.dc-sample figcaption {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line-500);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist-400);
}

/* 刻度带 */
.dc-scale {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  margin-block: clamp(6px, 1.2vw, 12px);
}

.dc-scale__tick {
  flex: 1 1 auto;
  min-width: 0;
  height: 16px;
  background-image:
    repeating-linear-gradient(to right, var(--line-500) 0 1px, transparent 1px 60px),
    repeating-linear-gradient(to right, var(--line-500) 0 1px, transparent 1px 12px);
  background-size: 100% 16px, 100% 8px;
  background-position: left bottom, left bottom;
  background-repeat: repeat-x, repeat-x;
}

.dc-scale__mark {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist-400);
}

/* 数据带 */
.dc-band {
  display: grid;
  gap: 1px;
  margin: 20px 0;
  border: var(--dc-line);
  background: var(--line-500);
}

.dc-band__cell {
  padding: 14px 16px;
  background: var(--green-900);
}

.dc-band__k {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist-400);
}

.dc-band__v {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--step-1);
  color: var(--cyan);
}

/* 提示块 */
.dc-note {
  margin: 20px 0 0;
  padding: 14px 16px;
  border: var(--dc-line);
  border-left: 2px solid var(--cyan);
  background: var(--cyan-veil);
  font-size: var(--step--1);
  line-height: 1.8;
  color: var(--mist-100);
}

.dc-note--alert {
  border-left-color: var(--orange);
  background: var(--orange-veil);
}

.dc-act {
  margin: 20px 0 0;
}

.dc-act .btn {
  display: inline-block;
  padding: 10px 18px;
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  text-decoration: none;
  border: 1px solid var(--line-500);
  color: var(--mist-100);
  background: var(--green-900);
  transition: border-color var(--ease), color var(--ease), background var(--ease);
}

.dc-act .btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--green-700);
}

/* 相邻页面 */
.dc-related {
  margin-top: var(--dc-gap);
  padding-top: clamp(22px, 3.2vw, 40px);
  border-top: var(--dc-line);
}

.dc-links {
  display: grid;
  gap: 1px;
  margin-top: 20px;
  border: var(--dc-line);
  background: var(--line-500);
}

.dc-links a {
  display: grid;
  gap: 6px;
  padding: 16px;
  background: var(--ink-950);
  text-decoration: none;
  transition: background var(--ease);
}

.dc-links a:hover {
  background: var(--green-700);
}

.dc-links__k {
  font-size: var(--step-1);
  font-weight: 700;
  color: var(--mist-100);
}

.dc-links a:hover .dc-links__k {
  color: var(--cyan);
}

.dc-links__d {
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--mist-400);
}

.dc-topline {
  margin: var(--dc-gap) 0 0;
  text-align: right;
  font-size: var(--step--1);
}

.dc-topline a {
  color: var(--mist-400);
  text-decoration: none;
  border-bottom: 1px solid var(--line-500);
  transition: color var(--ease), border-color var(--ease);
}

.dc-topline a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* 平板及以上 */
@media (min-width: 640px) {
  .dc-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .dc-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 桌面非对称分栏 */
@media (min-width: 880px) {
  .dc-clause {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: clamp(24px, 4vw, 66px);
    padding-block: clamp(28px, 3.4vw, 48px);
  }

  .dc-clause__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
  }

  .page-disclaimer .annot--rot {
    writing-mode: vertical-rl;
    text-orientation: mixed;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer a,
  .page-disclaimer .btn,
  .dc-links a,
  .dc-toc__item {
    transition: none;
  }
}