.page-disclaimer {
  --nt-panel: rgba(13, 23, 48, 0.55);
  --nt-panel-solid: rgba(13, 23, 48, 0.9);
  --nt-pad: clamp(18px, 4.5vw, 40px);
  background: var(--c-void);
  color: var(--c-paper);
  font-family: var(--font-sans);
}

/* 首屏 */
.page-disclaimer .nt-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 6vw, 64px) 0 clamp(30px, 5vw, 56px);
  border-bottom: 1px solid var(--c-steel);
  background:
    radial-gradient(115% 90% at 90% 6%, rgba(139, 92, 246, 0.26) 0%, transparent 56%),
    radial-gradient(90% 80% at 6% 104%, rgba(47, 224, 224, 0.16) 0%, transparent 62%),
    var(--c-void);
}

.page-disclaimer .nt-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  top: 6%;
  width: 48%;
  height: 78%;
  background: linear-gradient(140deg, rgba(47, 224, 224, 0.18), rgba(139, 92, 246, 0.05));
  clip-path: polygon(30% 0, 100% 0, 70% 100%, 0 100%);
  pointer-events: none;
}

.page-disclaimer .nt-hero .shell {
  position: relative;
  z-index: 1;
}

.page-disclaimer .breadcrumb {
  font-size: 12.5px;
  letter-spacing: 0.04em;
}

.page-disclaimer h1 {
  margin: 18px 0 0;
  font-size: clamp(28px, 6.2vw, 50px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.02em;
  max-width: 20ch;
}

.page-disclaimer .nt-lead {
  margin: 20px 0 0;
  max-width: 62ch;
  color: var(--c-mist);
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.8;
}

.page-disclaimer .nt-meta {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  font-size: 13px;
  color: var(--c-mist);
}

.page-disclaimer .nt-meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--c-steel);
}

.page-disclaimer .nt-meta .mono {
  color: var(--c-cyan);
  font-size: 12.5px;
}

/* 章节导航 */
.page-disclaimer .nt-toc {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  background: rgba(6, 11, 24, 0.94);
  border-bottom: 1px solid var(--c-steel);
  backdrop-filter: blur(10px);
}

.page-disclaimer .nt-toc-list {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 10px var(--gutter);
  display: flex;
  gap: 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-disclaimer .nt-toc-list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .nt-toc-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 7px 12px;
  border: 1px solid var(--c-steel);
  color: var(--c-mist);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-disclaimer .nt-toc-link .mono {
  color: var(--c-violet);
  font-size: 11.5px;
  letter-spacing: 0.06em;
}

.page-disclaimer .nt-toc-link:hover,
.page-disclaimer .nt-toc-link:focus-visible {
  border-color: var(--c-orange);
  background: rgba(255, 122, 47, 0.09);
  color: var(--c-paper);
}

/* 章节 */
.page-disclaimer .nt-sec {
  position: relative;
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(26px, 5vw, 52px) var(--gutter);
  border-top: 1px solid var(--c-steel);
  scroll-margin-top: calc(var(--header-h) + 56px);
}

.page-disclaimer .nt-sec::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--grad-band);
}

.page-disclaimer .nt-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-disclaimer .nt-num {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-orange);
  border: 1px solid currentColor;
  padding: 3px 7px;
}

.page-disclaimer h2 {
  margin: 0;
  font-size: clamp(20px, 3.6vw, 24px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-disclaimer .nt-body {
  margin-top: 18px;
  max-width: 68ch;
}

.page-disclaimer .nt-body p {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-disclaimer .nt-body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .nt-link {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 224, 224, 0.4);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-disclaimer .nt-link:hover,
.page-disclaimer .nt-link:focus-visible {
  color: var(--c-orange);
  border-color: var(--c-orange);
}

.page-disclaimer .nt-note {
  border-left: 3px solid var(--c-cyan);
  background: var(--nt-panel-solid);
  padding: 14px 18px;
  color: var(--c-paper) !important;
  font-size: 15px;
}

/* 条款条目 */
.page-disclaimer .nt-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .nt-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  padding: 13px 15px;
  border: 1px solid var(--c-steel);
  background: var(--nt-panel);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-disclaimer .nt-list li:hover {
  border-color: var(--c-cyan);
  transform: translateX(3px);
}

.page-disclaimer .nt-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-paper);
}

.page-disclaimer .nt-list .tag {
  margin-top: 2px;
  white-space: nowrap;
}

/* 引用格式示例 */
.page-disclaimer .nt-format {
  margin: 20px 0 20px;
  padding: 16px 18px;
  border: 1px solid var(--c-steel);
  box-shadow: var(--shadow-cyan);
  background: var(--c-ink);
  color: var(--c-cyan);
  font-size: 13px;
  line-height: 1.95;
  letter-spacing: 0.02em;
  overflow-x: auto;
  word-break: break-word;
}

/* 中段全宽视觉带 */
.page-disclaimer .nt-media {
  margin: 0;
  border-top: 1px solid var(--c-steel);
  border-bottom: 1px solid var(--c-steel);
  background: var(--c-deep);
}

.page-disclaimer .nt-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-disclaimer .nt-media-cap {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 12px var(--gutter) 16px;
  font-size: 13px;
  color: var(--c-mist);
  border-top: 1px solid rgba(34, 49, 79, 0.7);
}

/* 折叠条目 */
.page-disclaimer .nt-fold {
  border: 1px solid var(--c-steel);
  background: var(--nt-panel);
  margin-top: 12px;
}

.page-disclaimer .nt-fold summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 15px;
  color: var(--c-paper);
}

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

.page-disclaimer .nt-fold summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--c-cyan);
}

.page-disclaimer .nt-fold[open] summary::after {
  content: "–";
}

.page-disclaimer .nt-fold[open] summary {
  border-bottom: 1px solid var(--c-steel);
}

.page-disclaimer .nt-fold-body {
  padding: 14px 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-mist);
}

/* 联系卡 */
.page-disclaimer .nt-contact {
  margin-top: 24px;
  padding: var(--nt-pad);
  border: 1px solid var(--c-cyan);
  box-shadow: var(--shadow-violet);
  background: linear-gradient(150deg, rgba(13, 23, 48, 0.96), rgba(6, 11, 24, 0.96));
  display: grid;
  gap: 22px;
}

.page-disclaimer .nt-contact-list {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-disclaimer .nt-contact-row {
  display: grid;
  gap: 4px;
}

.page-disclaimer .nt-contact-row dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  color: var(--c-mist);
}

.page-disclaimer .nt-contact-row dd {
  margin: 0;
  font-size: 15.5px;
  color: var(--c-paper);
}

.page-disclaimer .nt-contact-row dd .mono {
  font-size: 15px;
  color: var(--c-cyan);
}

.page-disclaimer .nt-contact-btn {
  justify-self: start;
  text-decoration: none;
}

.page-disclaimer .nt-foot-links {
  margin: 22px 0 0;
  font-size: 14px;
  color: var(--c-mist);
}

.page-disclaimer .nt-icp {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 8px var(--gutter) 48px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(154, 168, 199, 0.7);
}

.page-disclaimer .nt-sec--last {
  border-bottom: 1px solid var(--c-steel);
}

/* 返回顶部 */
.page-disclaimer .nt-top {
  position: fixed;
  right: clamp(12px, 3vw, 28px);
  bottom: clamp(16px, 4vw, 30px);
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 13px;
  border: 1px solid var(--c-steel);
  background: rgba(6, 11, 24, 0.92);
  color: var(--c-mist);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-disclaimer .nt-top:hover,
.page-disclaimer .nt-top:focus-visible {
  border-color: var(--c-orange);
  color: var(--c-orange);
}

/* 桌面端：章节左标题右正文 */
@media (min-width: 900px) {
  .page-disclaimer h1 {
    max-width: 24ch;
  }

  .page-disclaimer .nt-sec {
    display: grid;
    grid-template-columns: minmax(190px, 250px) minmax(0, 1fr);
    gap: clamp(24px, 5vw, 60px);
    align-items: start;
  }

  .page-disclaimer .nt-head {
    position: sticky;
    top: calc(var(--header-h) + 80px);
    display: block;
  }

  .page-disclaimer h2 {
    margin-top: 10px;
  }

  .page-disclaimer .nt-body {
    margin-top: 2px;
  }

  .page-disclaimer .nt-contact {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-disclaimer .nt-contact-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 599px) {
  .page-disclaimer .nt-list li {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-disclaimer .nt-list .tag {
    justify-self: start;
  }

  .page-disclaimer .nt-format {
    box-shadow: 3px 3px 0 0 var(--c-cyan);
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .nt-list li,
  .page-disclaimer .nt-top,
  .page-disclaimer .nt-toc-link {
    transition: none;
  }
}