.page-disclaimer {
  --doc-sticky: calc(var(--bar-h) + 24px);
  --doc-rule: rgba(244, 241, 234, 0.10);
  position: relative;
  isolation: isolate;
  padding-block: clamp(20px, 3vw, 36px) clamp(56px, 8vw, 104px);
  color: var(--c-paper);
  background:
    radial-gradient(120% 80% at 6% -12%, rgba(139, 92, 246, 0.20), transparent 56%),
    radial-gradient(90% 62% at 100% 2%, rgba(34, 211, 238, 0.13), transparent 52%);
}

.page-disclaimer::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(244, 241, 234, 0.035) 0 1px, transparent 1px 96px);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 68%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 68%);
}

.page-disclaimer a:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

/* 面包屑 */
.page-disclaimer .terms-crumb {
  margin-bottom: var(--sp-4);
}

.page-disclaimer .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-paper-3);
}

.page-disclaimer .breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
}

.page-disclaimer .breadcrumb li + li::before {
  content: "/";
  color: var(--c-line-c);
}

.page-disclaimer .breadcrumb a {
  color: var(--c-paper-2);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

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

/* 首屏 */
.terms-hero {
  margin-top: clamp(16px, 2.6vw, 32px);
}

.terms-hero-grid {
  display: grid;
  gap: var(--sp-6);
  min-width: 0;
}

.page-disclaimer h1 {
  margin: var(--sp-3) 0 0;
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 8vw, 4.6rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.02em;
  background: linear-gradient(100deg, var(--c-paper) 22%, var(--c-violet) 64%, var(--c-cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.terms-deck {
  margin: var(--sp-5) 0 0;
  max-width: 46ch;
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.85;
  color: var(--c-paper-2);
}

.terms-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-5);
}

.terms-hero-art {
  margin: 0;
  min-width: 0;
}

.terms-hero-art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  border-radius: var(--r-lg);
  border: 1px solid var(--c-line-v);
  box-shadow: var(--glow-v);
}

.terms-hero-art figcaption {
  margin-top: var(--sp-3);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--c-paper-3);
}

/* 目录 + 正文 */
.terms-body {
  display: grid;
  gap: var(--sp-6);
  margin-top: clamp(36px, 6vw, 72px);
  min-width: 0;
}

.terms-toc {
  min-width: 0;
  padding: var(--sp-5);
  border: 1px solid var(--c-line-v);
  border-radius: var(--r-md);
  background: rgba(21, 17, 38, 0.78);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.toc-eyebrow {
  margin: 0 0 var(--sp-4);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.toc-list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc-list a {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: baseline;
  gap: var(--sp-2);
  padding: 10px var(--sp-3);
  border-left: 2px solid transparent;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  color: var(--c-paper-2);
  text-decoration: none;
  font-size: 0.9375rem;
  line-height: 1.5;
  transition:
    color var(--dur) var(--ease),
    background var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.toc-list a:hover,
.toc-list a:focus-visible {
  color: var(--c-paper);
  background: rgba(139, 92, 246, 0.16);
  border-left-color: var(--c-violet);
}

.toc-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-gold);
}

.toc-hint {
  margin: var(--sp-4) 0 0;
  padding-top: var(--sp-4);
  border-top: 1px solid var(--c-line-0);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--c-paper-3);
}

.terms-articles {
  min-width: 0;
}

/* 光带示意 */
.terms-flow {
  margin: 0 0 var(--sp-5);
}

.flow-svg {
  display: block;
  width: 100%;
  height: auto;
}

.flow-line {
  fill: none;
  stroke: var(--c-violet);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 2 10;
  opacity: 0.85;
}

.flow-node circle {
  fill: var(--c-void);
  stroke: var(--c-cyan);
  stroke-width: 2.5;
}

.flow-node:last-of-type circle {
  fill: var(--c-gold);
  stroke: var(--c-gold);
}

.flow-node text {
  fill: var(--c-paper-2);
  font-family: var(--font-head);
  font-size: 15px;
  letter-spacing: 0.06em;
  text-anchor: middle;
}

/* 条款条目 */
.term {
  padding-block: var(--sp-6);
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.term + .term {
  border-top: 1px solid var(--doc-rule);
}

.term-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: var(--sp-3) var(--sp-4);
}

.term-num {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--c-violet);
}

@supports (-webkit-text-stroke: 1px #000) {
  .term-num {
    color: transparent;
    -webkit-text-stroke: 1.5px var(--c-violet);
  }
}

.term-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.2rem, 2.6vw, 1.75rem);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.term-body {
  margin-top: var(--sp-4);
}

.term-body p {
  margin: 0 0 var(--sp-4);
  max-width: 66ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--c-paper-2);
}

.term-body p:last-child {
  margin-bottom: 0;
}

.term-body a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-decoration-color: rgba(34, 211, 238, 0.42);
  text-underline-offset: 3px;
  transition:
    color var(--dur) var(--ease),
    text-decoration-color var(--dur) var(--ease);
}

.term-body a:hover {
  color: var(--c-gold);
  text-decoration-color: var(--c-gold);
}

.term-list {
  display: grid;
  gap: var(--sp-3);
  margin: 0 0 var(--sp-4);
  padding: 0;
  list-style: none;
  max-width: 66ch;
}

.term-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9688rem;
  line-height: 1.8;
  color: var(--c-paper-2);
}

.term-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--c-cyan);
  box-shadow: 0 0 8px rgba(34, 211, 238, 0.7);
}

/* 相关入口 */
.terms-outro {
  margin-top: clamp(40px, 7vw, 88px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--c-line-0);
}

.outro-title {
  margin: 0 0 var(--sp-5);
  font-family: var(--font-head);
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-paper);
}

.outro-grid {
  display: grid;
  gap: var(--sp-3);
}

.outro-card {
  display: grid;
  gap: var(--sp-2);
  padding: var(--sp-4) var(--sp-4) var(--sp-5);
  border: 1px solid var(--c-line-0);
  border-radius: var(--r-md);
  background: rgba(21, 17, 38, 0.62);
  color: inherit;
  text-decoration: none;
  transition:
    border-color var(--dur) var(--ease),
    background var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.outro-card:hover,
.outro-card:focus-visible {
  border-color: var(--c-line-c);
  background: rgba(34, 211, 238, 0.08);
  transform: translateY(-2px);
}

.outro-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-gold);
}

.outro-name {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--c-paper);
}

.outro-desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-paper-3);
}

/* 平板及以上 */
@media (min-width: 720px) {
  .term-body p,
  .term-list li {
    font-size: 1.0625rem;
  }

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

@media (min-width: 920px) {
  .terms-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
    gap: clamp(32px, 6vw, 80px);
  }

  .term {
    padding-block: var(--sp-7);
  }
}

@media (min-width: 1000px) {
  .terms-body {
    grid-template-columns: 258px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }

  .terms-toc {
    position: sticky;
    top: var(--doc-sticky);
  }
}

@media (min-width: 1120px) {
  .outro-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* 打印 */
@media print {
  .page-disclaimer {
    padding: 0;
    background: #fff;
    color: #111;
  }

  .page-disclaimer::before,
  .page-disclaimer .terms-toc,
  .page-disclaimer .terms-hero-art,
  .page-disclaimer .terms-flow,
  .page-disclaimer .terms-outro {
    display: none;
  }

  .page-disclaimer h1 {
    background: none;
    color: #111;
    -webkit-text-fill-color: #111;
  }

  .page-disclaimer .terms-deck,
  .page-disclaimer .term-title,
  .page-disclaimer .term-body p,
  .page-disclaimer .term-list li,
  .page-disclaimer .term-num {
    color: #111;
    -webkit-text-stroke: 0;
  }

  .page-disclaimer .term {
    border-color: #cccccc;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .page-disclaimer .term-list li::before {
    background: #111;
    box-shadow: none;
  }
}