.page-disclaimer {
  --disc-line: rgba(143, 163, 184, 0.24);
  --disc-line-soft: rgba(143, 163, 184, 0.14);
  --disc-paper-ink: #0C1B28;
  color: var(--board-white);
  background:
    radial-gradient(120% 70% at 92% 0%, rgba(14, 79, 92, 0.42) 0%, rgba(7, 26, 43, 0) 62%),
    var(--ink-navy);
}

.page-disclaimer .disc-head {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 3.4vw, 34px) 0 clamp(30px, 5vw, 58px);
  border-bottom: 1px solid var(--line-strong);
  background:
    repeating-linear-gradient(90deg, rgba(143, 163, 184, 0.09) 0 1px, transparent 1px 104px),
    linear-gradient(158deg, #0B2437 0%, #071A2B 66%);
}

.page-disclaimer .disc-head::after {
  content: "";
  position: absolute;
  right: -12%;
  top: -30%;
  width: 58%;
  height: 150%;
  background: linear-gradient(215deg, rgba(49, 242, 208, 0.13) 0%, rgba(49, 242, 208, 0) 68%);
  clip-path: polygon(48% 0, 100% 0, 100% 100%, 12% 100%);
  pointer-events: none;
}

.page-disclaimer .breadcrumb {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(16px, 3vw, 28px);
  font-size: 0.78rem;
}

.page-disclaimer .breadcrumb__list {
  color: var(--slate-blue);
}

.page-disclaimer .breadcrumb__list a {
  color: var(--slate-blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

.page-disclaimer .breadcrumb__list li[aria-current="page"] {
  color: var(--board-white);
}

.page-disclaimer .disc-head__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

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

.page-disclaimer .disc-title {
  margin: 0.24em 0 0.4em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.3rem, 7.6vw, 4rem);
  line-height: 0.96;
  letter-spacing: -0.02em;
  color: var(--board-white);
}

.page-disclaimer .disc-title::after {
  content: "";
  display: block;
  width: 74px;
  height: 4px;
  margin-top: 0.5em;
  background: linear-gradient(90deg, var(--neon-cyan) 0%, var(--volt-orange) 100%);
}

.page-disclaimer .disc-head .lede {
  max-width: 46ch;
  margin: 0;
  color: rgba(244, 247, 250, 0.82);
  font-size: 0.98rem;
  line-height: 1.85;
}

/* 摘要卡：纸张叠层 + 电光橙角标 */
.page-disclaimer .disc-brief {
  position: relative;
  min-width: 0;
  padding: clamp(16px, 2.6vw, 24px);
  color: var(--disc-paper-ink);
  background: var(--paper-beige);
  border: 1px solid rgba(8, 13, 18, 0.55);
  box-shadow:
    6px 6px 0 -1px rgba(231, 220, 200, 0.3),
    12px 12px 0 -2px rgba(231, 220, 200, 0.13),
    0 22px 44px rgba(0, 0, 0, 0.38);
}

.page-disclaimer .disc-brief::after {
  content: "使用说明";
  position: absolute;
  top: -13px;
  right: 12px;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: #101010;
  background: var(--volt-orange);
}

.page-disclaimer .disc-brief__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(12, 27, 40, 0.24);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: #17364B;
}

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

.page-disclaimer .disc-brief__sign {
  position: relative;
  width: 14px;
  height: 14px;
  flex: none;
}

.page-disclaimer .disc-brief__sign::before,
.page-disclaimer .disc-brief__sign::after {
  content: "";
  position: absolute;
  background: #17364B;
  transition: transform 0.22s var(--ease);
}

.page-disclaimer .disc-brief__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-disclaimer .disc-brief__sign::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-disclaimer .disc-brief[open] .disc-brief__sign::after {
  transform: scaleY(0);
}

.page-disclaimer .disc-brief__visual {
  position: relative;
  margin-top: 14px;
  overflow: hidden;
  border: 1px solid rgba(12, 27, 40, 0.35);
}

.page-disclaimer .disc-brief__visual img {
  display: block;
  width: 100%;
  height: 118px;
  object-fit: cover;
}

.page-disclaimer .disc-brief__stamp {
  position: absolute;
  left: 10px;
  bottom: 10px;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--ink-navy);
  background: var(--neon-cyan);
}

.page-disclaimer .disc-brief__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  font-size: 0.86rem;
  line-height: 1.7;
}

.page-disclaimer .disc-brief__list li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(12, 27, 40, 0.22);
}

.page-disclaimer .disc-brief__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-disclaimer .disc-brief__list .mono {
  color: #0E4F5C;
  font-size: 0.78rem;
  padding-top: 2px;
}

/* 正文与目录 */
.page-disclaimer .disc-body {
  padding: clamp(26px, 4.6vw, 64px) 0 clamp(44px, 7vw, 88px);
}

.page-disclaimer .disc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 44px);
  align-items: start;
}

.page-disclaimer .disc-doc {
  position: relative;
  min-width: 0;
  padding: clamp(18px, 3.2vw, 42px);
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(180deg, rgba(27, 42, 58, 0.62) 0%, rgba(7, 26, 43, 0.28) 100%);
  box-shadow: inset 0 0 0 1px rgba(8, 13, 18, 0.5);
}

.page-disclaimer .disc-doc::before {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  top: 10px;
  bottom: 10px;
  border: 1px solid var(--disc-line-soft);
  pointer-events: none;
}

.page-disclaimer .doc-sec {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: clamp(20px, 3.2vw, 34px) 0;
  border-top: 1px solid var(--disc-line);
  scroll-margin-top: 96px;
}

.page-disclaimer .doc-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .doc-sec:last-child {
  padding-bottom: 0;
}

.page-disclaimer .doc-sec__num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--neon-cyan);
}

.page-disclaimer .doc-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--board-white);
}

.page-disclaimer .doc-sec__text {
  min-width: 0;
  color: rgba(244, 247, 250, 0.8);
  font-size: 0.94rem;
  line-height: 1.9;
}

.page-disclaimer .doc-sec__text p {
  margin: 0 0 0.9em;
}

.page-disclaimer .doc-sec__text p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .doc-sec__text a {
  color: var(--neon-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  padding-bottom: 1px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .doc-sec__text a:hover,
.page-disclaimer .doc-sec__text a:focus-visible {
  color: var(--volt-orange);
  border-bottom-color: rgba(255, 107, 44, 0.6);
}

.page-disclaimer .doc-note {
  margin: 0 0 0.9em;
  padding: 14px 16px;
  border-left: 3px solid var(--volt-orange);
  background: rgba(255, 107, 44, 0.08);
  font-size: 0.88rem;
  line-height: 1.8;
}

.page-disclaimer .doc-note p {
  margin: 0 0 0.7em;
}

.page-disclaimer .doc-note p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .doc-note strong {
  color: var(--board-white);
  font-weight: 700;
}

.page-disclaimer .doc-sec__meta {
  margin: 1em 0 0;
  padding-top: 0.9em;
  border-top: 1px dashed var(--disc-line);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--slate-blue);
}

.page-disclaimer .disc-toc {
  min-width: 0;
  padding: 16px 18px 18px;
  border: 1px solid var(--disc-line);
  background: rgba(27, 42, 58, 0.5);
}

.page-disclaimer .toc-list {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .toc-list li {
  border-bottom: 1px dashed var(--disc-line-soft);
}

.page-disclaimer .toc-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  color: rgba(244, 247, 250, 0.78);
  font-size: 0.86rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-disclaimer .toc-list a:hover,
.page-disclaimer .toc-list a:focus-visible {
  color: var(--neon-cyan);
  padding-left: 4px;
}

.page-disclaimer .toc-list__num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--slate-blue);
}

.page-disclaimer .toc-foot {
  margin: 14px 0 0;
  font-size: 0.8rem;
  color: var(--slate-blue);
}

.page-disclaimer .toc-foot a {
  color: var(--neon-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-disclaimer .toc-foot a:hover,
.page-disclaimer .toc-foot a:focus-visible {
  color: var(--volt-orange);
}

@media (min-width: 720px) {
  .page-disclaimer .doc-sec {
    grid-template-columns: 72px minmax(0, 1fr);
    column-gap: 22px;
    row-gap: 6px;
  }

  .page-disclaimer .doc-sec__num {
    grid-column: 1;
    grid-row: 1 / span 2;
    padding-top: 2px;
  }

  .page-disclaimer .doc-sec__title {
    grid-column: 2;
  }

  .page-disclaimer .doc-sec__text {
    grid-column: 2;
  }

  .page-disclaimer .disc-brief__visual img {
    height: 150px;
  }
}

@media (min-width: 980px) {
  .page-disclaimer .disc-head__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-disclaimer .disc-layout {
    grid-template-columns: minmax(0, 1fr) 262px;
    gap: clamp(28px, 3.4vw, 52px);
  }

  .page-disclaimer .disc-toc {
    position: sticky;
    top: 96px;
    align-self: start;
  }
}

@media (min-width: 1280px) {
  .page-disclaimer .doc-sec {
    grid-template-columns: 88px minmax(0, 1fr);
    column-gap: 28px;
  }

  .page-disclaimer .doc-sec__num {
    font-size: 2.2rem;
  }
}

@media print {
  .page-disclaimer {
    color: #000;
    background: #fff;
  }

  .page-disclaimer .disc-head,
  .page-disclaimer .disc-doc,
  .page-disclaimer .disc-brief {
    background: #fff;
    box-shadow: none;
    border-color: #8a8a8a;
  }

  .page-disclaimer .disc-head::after,
  .page-disclaimer .disc-toc,
  .page-disclaimer .disc-doc::before {
    display: none;
  }

  .page-disclaimer .disc-title,
  .page-disclaimer .doc-sec__title,
  .page-disclaimer .doc-sec__text {
    color: #000;
  }

  .page-disclaimer .doc-sec__text a {
    color: #000;
    border-bottom-color: #666;
  }

  .page-disclaimer .doc-sec {
    break-inside: avoid;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .toc-list a,
  .page-disclaimer .doc-sec__text a,
  .page-disclaimer .disc-brief__sign::before,
  .page-disclaimer .disc-brief__sign::after {
    transition: none;
  }
}