.page-disclaimer {
  --disclaimer-rule: rgba(140, 129, 120, 0.34);
  --disclaimer-soft: rgba(214, 169, 74, 0.14);
  background: var(--paper);
  color: var(--ink);
}

.page-disclaimer .page-hero {
  padding: 40px 0 32px;
  background:
    radial-gradient(circle at 88% 8%, rgba(46, 110, 142, 0.14), transparent 46%),
    radial-gradient(circle at 6% 96%, rgba(178, 58, 47, 0.10), transparent 42%),
    var(--paper);
}

.page-disclaimer .hero-grid {
  display: grid;
  gap: 28px;
}

.page-disclaimer .hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6.2vw, 3.6rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--thangka-red);
  margin: 14px 0 18px;
  font-weight: 700;
}

.page-disclaimer .hero-lead {
  font-size: var(--fs-base);
  line-height: 1.8;
  max-width: 34em;
  color: var(--ink);
}

.page-disclaimer .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-disclaimer .hero-figure {
  margin: 0;
}

.page-disclaimer .hero-figure .media-frame {
  background: linear-gradient(150deg, var(--thangka-deep), var(--ink-black) 62%, var(--lake-deep));
}

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

/* 章节目录 */
.page-disclaimer .doc-index {
  position: sticky;
  top: 0;
  z-index: 6;
  background: rgba(246, 241, 231, 0.93);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--disclaimer-rule);
  border-bottom: 1px solid var(--disclaimer-rule);
}

.page-disclaimer .doc-index-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 10px 0;
  margin: 0;
  list-style: none;
  scrollbar-width: none;
}

.page-disclaimer .doc-index-list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .doc-index-link {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  white-space: nowrap;
  padding: 6px 12px;
  font-size: var(--fs-sm);
  color: var(--ink);
  text-decoration: none;
  border: 1px solid transparent;
  clip-path: var(--cut-btn);
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-disclaimer .doc-index-link .mono {
  font-size: var(--fs-xs);
  color: var(--thangka-red);
  letter-spacing: 0.06em;
}

.page-disclaimer .doc-index-link:hover,
.page-disclaimer .doc-index-link:focus-visible {
  background: var(--disclaimer-soft);
  border-color: var(--gold);
}

.page-disclaimer .doc-index-link[aria-current="location"] {
  background: var(--thangka-red);
  color: var(--gold-light);
}

.page-disclaimer .doc-index-link[aria-current="location"] .mono {
  color: var(--gold-light);
}

/* 章节 */
.page-disclaimer .doc-section {
  padding: 48px 0;
}

.page-disclaimer .doc-grid {
  display: grid;
  gap: 26px;
}

.page-disclaimer .doc-aside {
  position: relative;
}

.page-disclaimer .doc-num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 11vw, 5rem);
  line-height: 0.9;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--thangka-red);
  opacity: 0.24;
  margin-bottom: 6px;
}

.page-disclaimer .doc-title {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 12px;
}

.page-disclaimer .doc-principle {
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--thangka-red);
  border-left: 3px solid var(--gold);
  padding-left: 14px;
  margin: 0;
}

/* 应用说明 */
.page-disclaimer .app-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-disclaimer .app-item {
  display: grid;
  grid-template-columns: 12px 1fr;
  gap: 14px;
  padding: 18px 18px 18px 16px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--disclaimer-rule);
  clip-path: var(--cut-btn);
}

.page-disclaimer .app-mark {
  width: 8px;
  height: 8px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--lake-blue);
  box-shadow: 0 0 0 4px rgba(46, 110, 142, 0.12);
}

.page-disclaimer .app-title {
  font-size: var(--fs-base);
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 6px;
  color: var(--ink);
}

.page-disclaimer .app-desc {
  font-size: var(--fs-sm);
  line-height: 1.85;
  margin: 0;
  color: var(--ink);
}

.page-disclaimer .inline-link {
  color: var(--lake-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(46, 110, 142, 0.4);
  transition: color var(--t-fast) var(--ease);
}

.page-disclaimer .inline-link:hover,
.page-disclaimer .inline-link:focus-visible {
  color: var(--thangka-red);
}

/* 分隔斜线 */
.page-disclaimer .slant-rule {
  height: 1px;
  margin: 0 auto;
  max-width: 1200px;
  background: linear-gradient(90deg, transparent, var(--fog) 22%, var(--fog) 78%, transparent);
  opacity: 0.36;
  transform: rotate(-0.45deg);
}

/* 深色版块 */
.page-disclaimer .doc-section--dark {
  background:
    radial-gradient(circle at 84% 12%, rgba(46, 110, 142, 0.32), transparent 52%),
    linear-gradient(158deg, var(--ink-black) 0%, var(--lake-deep) 128%);
  color: var(--gold-light);
  margin: 8px 0;
}

.page-disclaimer .doc-section--dark .doc-num {
  color: var(--gold);
  opacity: 0.34;
}

.page-disclaimer .doc-section--dark .doc-title {
  color: var(--gold-light);
}

.page-disclaimer .doc-section--dark .doc-principle {
  color: var(--gold-light);
  border-left-color: var(--thangka-red);
}

.page-disclaimer .doc-section--dark .app-item {
  background: rgba(240, 217, 160, 0.05);
  border-color: rgba(214, 169, 74, 0.32);
}

.page-disclaimer .doc-section--dark .app-mark {
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(214, 169, 74, 0.16);
}

.page-disclaimer .doc-section--dark .app-title {
  color: var(--gold-light);
}

.page-disclaimer .doc-section--dark .app-desc {
  color: rgba(240, 217, 160, 0.86);
}

.page-disclaimer .doc-section--dark .inline-link {
  color: var(--gold);
  text-decoration-color: rgba(214, 169, 74, 0.5);
}

.page-disclaimer .doc-section--dark .inline-link:hover,
.page-disclaimer .doc-section--dark .inline-link:focus-visible {
  color: var(--paper);
}

/* 页尾联系带 */
.page-disclaimer .contact-strip {
  padding: 44px 0 56px;
  background: var(--ink-black);
  color: var(--gold-light);
  border-top: 1px solid var(--gold);
}

.page-disclaimer .contact-strip-inner {
  display: grid;
  gap: 22px;
}

.page-disclaimer .contact-strip .eyebrow {
  color: var(--gold);
}

.page-disclaimer .contact-strip-text {
  font-size: var(--fs-base);
  line-height: 1.8;
  margin: 10px 0 0;
  color: rgba(240, 217, 160, 0.9);
  max-width: 32em;
}

.page-disclaimer .contact-strip-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-disclaimer .contact-strip .btn--outline {
  border-color: var(--gold);
  color: var(--gold-light);
}

/* 移动端断点：保持堆叠，收紧留白 */
@media (max-width: 479px) {
  .page-disclaimer .page-hero {
    padding: 28px 0 24px;
  }
  .page-disclaimer .doc-section {
    padding: 36px 0;
  }
  .page-disclaimer .app-item {
    padding: 16px 14px;
  }
  .page-disclaimer .contact-strip {
    padding: 34px 0 44px;
  }
}

/* 桌面端：左右对照 4:8，首屏 7:5 分屏 */
@media (min-width: 900px) {
  .page-disclaimer .page-hero {
    padding: 64px 0 56px;
  }
  .page-disclaimer .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 56px;
  }
  .page-disclaimer .doc-section {
    padding: 72px 0;
  }
  .page-disclaimer .doc-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 56px;
    align-items: start;
  }
  .page-disclaimer .doc-aside {
    position: sticky;
    top: 92px;
  }
  .page-disclaimer .contact-strip-inner {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: center;
    gap: 40px;
  }
  .page-disclaimer .contact-strip-actions {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .slant-rule {
    transform: none;
  }
  .page-disclaimer .doc-index-link {
    transition: none;
  }
}