.page-disclaimer {
  --doc-rule: rgba(23, 74, 110, .18);
  --doc-rule-soft: rgba(23, 74, 110, .1);
  --doc-card: #ffffff;
  background: var(--paper);
  color: var(--ink-900);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .doc-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(1.75rem, 4.5vw, 3rem) 0 clamp(2.75rem, 7vw, 4.75rem);
  background: var(--ink-900);
  color: var(--paper);
}

.page-disclaimer .doc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(200, 214, 227, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200, 214, 227, .07) 1px, transparent 1px);
  background-size: 46px 46px;
}

.page-disclaimer .doc-hero::after {
  content: "";
  position: absolute;
  top: -18%;
  right: -12%;
  width: 78vw;
  height: 150%;
  z-index: -1;
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  background: linear-gradient(158deg, rgba(33, 212, 195, .18), rgba(255, 122, 61, .11) 56%, transparent 80%);
}

.page-disclaimer .doc-hero-inner {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}

.page-disclaimer .doc-hero .breadcrumbs {
  margin-bottom: .8rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--dim);
}

.page-disclaimer .doc-hero .crumb-link {
  color: var(--cyan);
}

.page-disclaimer .doc-hero .crumb-current {
  color: var(--paper);
}

.page-disclaimer .doc-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .7rem;
  margin: 0;
}

.page-disclaimer .doc-code {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-disclaimer .doc-hero h1 {
  margin: .6rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 7vw, 3.5rem);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-disclaimer .doc-hero .lede {
  max-width: 48ch;
  margin: .9rem 0 0;
  font-size: clamp(.96rem, 1.5vw, 1.06rem);
  line-height: 1.85;
  color: rgba(243, 247, 250, .86);
}

.page-disclaimer .doc-meta {
  list-style: none;
  display: grid;
  gap: .55rem;
  margin: 1.5rem 0 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--line-strong);
}

.page-disclaimer .doc-meta li {
  display: flex;
  flex-direction: column;
  gap: .15rem;
  padding-left: .65rem;
  border-left: 2px solid rgba(33, 212, 195, .55);
}

.page-disclaimer .meta-key {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .14em;
  color: var(--dim);
}

.page-disclaimer .meta-val {
  font-size: .88rem;
  line-height: 1.5;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 首屏叠层纸张 ---------- */
.page-disclaimer .doc-stack {
  position: relative;
  margin: 0;
  padding: 0 .5rem .5rem 0;
}

.page-disclaimer .doc-stack-sheet {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  border: 1px solid;
}

.page-disclaimer .doc-stack-sheet--back {
  transform: translate(1.1rem, 1.1rem);
  border-color: rgba(255, 122, 61, .55);
  background: rgba(255, 122, 61, .1);
}

.page-disclaimer .doc-stack-sheet--mid {
  transform: translate(.55rem, .55rem);
  border-color: rgba(33, 212, 195, .5);
  background: rgba(33, 212, 195, .08);
}

.page-disclaimer .doc-stack-plate {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(200, 214, 227, .42);
  background: var(--ink-800);
}

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

.page-disclaimer .doc-stack-tag {
  margin-top: .75rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  text-align: right;
  color: var(--dim);
}

/* ---------- 正文双栏 ---------- */
.page-disclaimer .doc-layout {
  padding: clamp(1.75rem, 4vw, 2.75rem) 0 clamp(3rem, 7vw, 4.5rem);
}

/* 目录 */
.page-disclaimer .doc-toc {
  position: relative;
  padding: 1.1rem 1rem 1rem;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(200, 214, 227, .24);
  background: var(--ink-800);
  color: var(--paper);
  box-shadow: 0 18px 34px -30px rgba(8, 24, 38, .95);
}

.page-disclaimer .doc-toc::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--cyan), var(--orange));
}

.page-disclaimer .toc-title {
  margin: 0 0 .75rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  color: var(--dim);
}

.page-disclaimer .toc-list {
  list-style: none;
  display: grid;
  gap: .18rem;
  margin: 0;
  padding: 0;
}

.page-disclaimer .toc-link {
  display: grid;
  grid-template-columns: 2.2ch minmax(0, 1fr);
  gap: .55rem;
  align-items: baseline;
  padding: .48rem .55rem;
  border-left: 2px solid transparent;
  font-size: .86rem;
  line-height: 1.45;
  color: var(--mist);
  text-decoration: none;
  transition: color 180ms var(--ease), background-color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-disclaimer .toc-link:hover,
.page-disclaimer .toc-link:focus-visible {
  color: #ffffff;
  border-left-color: var(--cyan);
  background: rgba(33, 212, 195, .1);
}

.page-disclaimer .toc-link[aria-current="true"] {
  color: var(--ink-900);
  background: var(--cyan);
  border-left-color: var(--orange);
  font-weight: 600;
}

.page-disclaimer .toc-num {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  opacity: .8;
}

.page-disclaimer .doc-top-link {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(33, 212, 195, .45);
  padding-bottom: 2px;
}

.page-disclaimer .doc-top-link:hover,
.page-disclaimer .doc-top-link:focus-visible {
  color: #ffffff;
  border-bottom-color: var(--orange);
}

/* 条款 */
.page-disclaimer .doc-body {
  display: grid;
  gap: 1rem;
  min-width: 0;
}

.page-disclaimer .doc-clause {
  position: relative;
  padding: 1.35rem clamp(.95rem, 3vw, 1.9rem) 1.5rem;
  border: 1px solid var(--doc-rule);
  border-left: 3px solid var(--ink-700);
  background: var(--doc-card);
  box-shadow: 0 20px 36px -34px rgba(8, 24, 38, .85);
}

.page-disclaimer .doc-clause:nth-of-type(3n+1) { border-left-color: var(--cyan); }
.page-disclaimer .doc-clause:nth-of-type(3n+2) { border-left-color: var(--amber); }
.page-disclaimer .doc-clause:nth-of-type(3n) { border-left-color: var(--rose); }

.page-disclaimer .clause-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .65rem;
  margin-bottom: .85rem;
  padding-bottom: .7rem;
  border-bottom: 1px dashed var(--doc-rule);
}

.page-disclaimer .clause-num {
  flex: none;
  padding: .08rem .4rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--paper);
  background: var(--ink-900);
}

.page-disclaimer .doc-clause h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.12rem, 2.4vw, 1.4rem);
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--ink-900);
}

.page-disclaimer .doc-clause p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.82;
  color: var(--ink-800);
}

.page-disclaimer .doc-clause p + p {
  margin-top: .6rem;
}

.page-disclaimer .clause-list {
  list-style: none;
  display: grid;
  gap: .55rem;
  margin: .85rem 0 0;
  padding: 0;
}

.page-disclaimer .clause-list li {
  position: relative;
  padding-left: 1.3rem;
  font-size: .93rem;
  line-height: 1.78;
  color: var(--ink-800);
}

.page-disclaimer .clause-list li::before {
  content: "";
  position: absolute;
  top: .82em;
  left: .1rem;
  width: .55rem;
  height: 2px;
  background: var(--ink-700);
}

.page-disclaimer .doc-inline-link {
  color: var(--ink-700);
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 74, 110, .45);
}

.page-disclaimer .doc-inline-link:hover,
.page-disclaimer .doc-inline-link:focus-visible {
  color: var(--teal);
  border-bottom-color: var(--orange);
}

/* 版本双色对照条 */
.page-disclaimer .doc-version-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: .95rem;
  border: 1px solid var(--doc-rule);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  line-height: 1.4;
}

.page-disclaimer .doc-version-strip span {
  padding: .5rem .6rem;
  color: var(--ink-900);
}

.page-disclaimer .doc-version-strip .v-a {
  background: rgba(242, 184, 75, .28);
  border-right: 1px solid var(--doc-rule);
}

.page-disclaimer .doc-version-strip .v-b {
  background: rgba(201, 79, 124, .18);
}

/* 联系方式块 */
.page-disclaimer .doc-contact {
  display: grid;
  gap: .1rem;
  margin-top: .95rem;
  border-top: 1px solid var(--doc-rule-soft);
}

.page-disclaimer .doc-contact-row {
  display: grid;
  gap: .1rem;
  padding: .55rem 0;
  border-bottom: 1px solid var(--doc-rule-soft);
}

.page-disclaimer .doc-contact-label {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .14em;
  color: var(--ink-700);
}

.page-disclaimer .doc-contact-value {
  font-size: .92rem;
  line-height: 1.6;
  color: var(--ink-900);
  overflow-wrap: anywhere;
}

.page-disclaimer .doc-contact-note {
  margin-top: .8rem;
  font-size: .88rem;
}

/* 尾注 */
.page-disclaimer .doc-endnote {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin-top: .35rem;
  padding: 1rem 0 0;
  border-top: 1px solid var(--doc-rule);
}

.page-disclaimer .doc-endnote p {
  margin: 0;
  font-size: .84rem;
  color: var(--ink-700);
}

.page-disclaimer .doc-endnote .doc-top-link {
  margin-top: 0;
  color: var(--ink-700);
  border-bottom-color: rgba(23, 74, 110, .45);
}

.page-disclaimer .doc-endnote .doc-top-link:hover,
.page-disclaimer .doc-endnote .doc-top-link:focus-visible {
  color: var(--teal);
  border-bottom-color: var(--orange);
}

/* ---------- 动效 ---------- */
.page-disclaimer [data-reveal].is-visible {
  animation: doc-clause-rise 260ms var(--ease) both;
}

@keyframes doc-clause-rise {
  from {
    opacity: .55;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer [data-reveal].is-visible {
    animation: none;
  }
  .page-disclaimer .toc-link {
    transition: none;
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-disclaimer .doc-meta {
    grid-template-columns: 1fr 1fr;
    column-gap: 1.5rem;
  }

  .page-disclaimer .doc-contact-row {
    grid-template-columns: 7rem minmax(0, 1fr);
    align-items: baseline;
    gap: .8rem;
  }

  .page-disclaimer .toc-list {
    grid-template-columns: 1fr 1fr;
    column-gap: .5rem;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .doc-hero-inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }

  .page-disclaimer .doc-layout {
    display: grid;
    grid-template-columns: 268px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.25rem);
    align-items: start;
  }

  .page-disclaimer .doc-toc {
    position: sticky;
    top: 5.5rem;
    margin-bottom: 0;
  }

  .page-disclaimer .toc-list {
    grid-template-columns: 1fr;
  }

  .page-disclaimer .doc-clause {
    padding: 1.6rem clamp(1.25rem, 2.4vw, 2.1rem) 1.75rem;
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .doc-body {
    gap: 1.15rem;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-disclaimer .doc-hero {
    background: #ffffff;
    color: #081826;
    padding: 0 0 1rem;
  }

  .page-disclaimer .doc-hero::before,
  .page-disclaimer .doc-hero::after,
  .page-disclaimer .doc-stack {
    display: none;
  }

  .page-disclaimer .doc-hero h1,
  .page-disclaimer .doc-hero .lede,
  .page-disclaimer .meta-val {
    color: #081826;
  }

  .page-disclaimer .doc-toc,
  .page-disclaimer .doc-top-link {
    display: none;
  }

  .page-disclaimer .doc-layout {
    display: block;
    padding: 0;
  }

  .page-disclaimer .doc-clause {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #c8d6e3;
  }
}