.page-disclaimer {
  --d-hairline: rgba(30, 74, 64, 0.65);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-disclaimer .breadcrumb {
  padding: clamp(18px, 3vw, 28px) 0 0;
  font-size: 0.875rem;
  color: var(--muted);
}

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

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

.page-disclaimer .breadcrumb__sep {
  padding: 0 0.5em;
  color: var(--line);
}

/* 首屏 */
.page-disclaimer .disc-hero {
  position: relative;
  overflow: hidden;
  margin-top: clamp(20px, 3vw, 34px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(112deg, rgba(46, 242, 204, 0.09) 0 16%, transparent 16% 100%),
    radial-gradient(120% 140% at 92% -10%, rgba(46, 242, 204, 0.12), transparent 58%),
    var(--ink-900);
}

.page-disclaimer .disc-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  padding: clamp(30px, 5vw, 60px) 0 clamp(34px, 5vw, 64px);
}

.page-disclaimer .disc-hero__text .eyebrow {
  margin: 0 0 14px;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .disc-hero h1 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 8vw, 4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-disclaimer .disc-hero .lead {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-disclaimer .disc-hero__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-800);
}

.page-disclaimer .disc-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

/* 双栏主体 */
.page-disclaimer .disc-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(36px, 5vw, 56px);
  margin-top: clamp(40px, 6vw, 76px);
}

.page-disclaimer .disc-main {
  min-width: 0;
}

.page-disclaimer .disc-clause {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding: clamp(30px, 5vw, 48px) 0;
  border-top: 1px solid var(--d-hairline);
}

.page-disclaimer .disc-clause:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .disc-num {
  margin: 0;
  font-family: var(--font-mono);
  font-feature-settings: "tnum" 1;
  font-size: clamp(1.25rem, 4vw, 1.875rem);
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
  letter-spacing: 0.02em;
}

.page-disclaimer .disc-clause h2 {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.25rem, 4.5vw, 1.875rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-disclaimer .disc-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 13px;
}

.page-disclaimer .disc-list li {
  position: relative;
  padding-left: 26px;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--white);
}

.page-disclaimer .disc-list li::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 0.68em;
  width: 8px;
  height: 8px;
  border: 1.5px solid var(--cyan);
  border-radius: 2px;
  transform: rotate(45deg);
}

/* 引用示例 */
.page-disclaimer .disc-sample {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-800);
  overflow: hidden;
}

.page-disclaimer .disc-sample summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--mist);
}

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

.page-disclaimer .disc-sample summary:hover,
.page-disclaimer .disc-sample summary:focus-visible {
  color: var(--cyan);
}

.page-disclaimer .disc-sample__sign {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  color: var(--cyan);
  transition: transform var(--t-fast) var(--ease);
}

.page-disclaimer .disc-sample[open] .disc-sample__sign {
  transform: rotate(45deg);
}

.page-disclaimer .disc-sample__body {
  padding: 0 20px 20px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.page-disclaimer .disc-sample__code {
  margin: 0 0 10px;
  padding: 14px 16px;
  border-left: 3px solid var(--cyan);
  border-radius: var(--r-xs);
  background: rgba(46, 242, 204, 0.08);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--white);
  word-break: break-word;
}

/* 侧注栏 */
.page-disclaimer .disc-aside {
  align-self: start;
  display: grid;
  gap: 20px;
  min-width: 0;
}

.page-disclaimer .disc-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-800);
}

.page-disclaimer .disc-card--tip {
  background:
    linear-gradient(160deg, var(--amber-14), transparent 62%),
    var(--ink-800);
  border-color: rgba(240, 180, 41, 0.28);
}

.page-disclaimer .disc-card__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: 0.875rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-disclaimer .disc-card--tip .disc-card__title {
  color: var(--amber);
}

.page-disclaimer .disc-toc {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-toc li + li {
  border-top: 1px solid var(--d-hairline);
}

.page-disclaimer .disc-toc a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--white);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

.page-disclaimer .disc-toc a:hover,
.page-disclaimer .disc-toc a:focus-visible {
  color: var(--cyan);
}

.page-disclaimer .disc-toc__n {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-feature-settings: "tnum" 1;
  font-size: 0.75rem;
  color: var(--amber);
}

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

.page-disclaimer .disc-tips li {
  position: relative;
  padding-left: 20px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--white);
}

.page-disclaimer .disc-tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 9px;
  height: 2px;
  background: var(--amber);
}

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

.page-disclaimer .disc-links a {
  display: inline-block;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

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

/* 收尾刻度线 */
.page-disclaimer .disc-ruler {
  height: 12px;
  margin-top: clamp(40px, 6vw, 76px);
  border-top: 1px solid var(--line);
  background-image: repeating-linear-gradient(
    to right,
    var(--line) 0 1px,
    transparent 1px 28px
  );
  position: relative;
}

.page-disclaimer .disc-ruler::after {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  width: clamp(64px, 12vw, 132px);
  height: 2px;
  background: var(--cyan);
}

.page-disclaimer .disc-stamp {
  margin: 12px 0 0;
  font-size: 0.75rem;
  color: var(--muted);
}

.page-disclaimer .back-to-top {
  position: fixed;
  right: clamp(16px, 3vw, 32px);
  bottom: clamp(16px, 3vw, 32px);
  z-index: 50;
  padding: 10px 18px;
  border: 1px solid var(--cyan-16);
  border-radius: var(--r-pill);
  background: var(--ink-800);
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t) var(--ease), color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease);
}

.page-disclaimer .back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.page-disclaimer .back-to-top:hover,
.page-disclaimer .back-to-top:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

@media (min-width: 720px) {
  .page-disclaimer .disc-clause {
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 26px;
  }
}

@media (min-width: 920px) {
  .page-disclaimer .disc-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-disclaimer .disc-body {
    grid-template-columns: minmax(0, 1fr) 302px;
    gap: clamp(40px, 5vw, 72px);
  }

  .page-disclaimer .disc-aside {
    position: sticky;
    top: calc(var(--topbar-h) + 26px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-sample__sign,
  .page-disclaimer .back-to-top,
  .page-disclaimer .disc-toc a,
  .page-disclaimer .disc-links a {
    transition: none;
  }
}