.page-disclaimer {
  --doc-dim: rgba(169, 184, 200, 0.78);
  --doc-hair: rgba(43, 59, 82, 0.85);
  --doc-text: rgba(244, 241, 234, 0.82);
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
}

/* ---------- 首屏：印刷标签 + 时间码纹理 ---------- */
.page-disclaimer .doc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 24px 0 clamp(40px, 7vw, 76px);
  border-bottom: 1px solid var(--doc-hair);
  background:
    repeating-linear-gradient(90deg, rgba(43, 59, 82, 0.28) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(43, 59, 82, 0.2) 0 1px, transparent 1px 96px),
    radial-gradient(120% 90% at 10% 0%, rgba(34, 230, 211, 0.14), transparent 62%),
    var(--ink-900);
}

.page-disclaimer .doc-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), rgba(34, 230, 211, 0) 58%, var(--orange));
  transform: skewY(-0.6deg);
  transform-origin: left bottom;
}

.page-disclaimer .doc-hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.42;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
}

.page-disclaimer .doc-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.06);
}

.page-disclaimer .doc-hero__inner {
  position: relative;
  z-index: 1;
}

/* 印刷式版本标签 */
.page-disclaimer .doc-stamp {
  position: relative;
  display: inline-block;
  margin: 18px 0 0;
}

.page-disclaimer .doc-stamp__label {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 7px 13px;
  border: 1px dashed var(--cyan);
  background: rgba(34, 230, 211, 0.07);
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.16em;
  cursor: help;
}

.page-disclaimer .doc-stamp__label::before {
  content: "";
  width: 6px;
  height: 6px;
  background: currentColor;
}

.page-disclaimer .doc-stamp__note {
  position: absolute;
  left: 0;
  top: calc(100% + 8px);
  z-index: 6;
  width: min(290px, 76vw);
  padding: 10px 12px;
  border: 1px solid var(--cyan);
  background: var(--ink-700);
  color: var(--paper);
  font-size: 12.5px;
  line-height: 1.65;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.16s ease, transform 0.16s ease;
  pointer-events: none;
}

.page-disclaimer .doc-stamp:hover .doc-stamp__note,
.page-disclaimer .doc-stamp:focus-within .doc-stamp__note {
  opacity: 1;
  transform: none;
}

.page-disclaimer .doc-hero h1 {
  margin: 22px 0 0;
  font-size: clamp(2.1rem, 8vw, 4.2rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-disclaimer .doc-hero__lead {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--doc-text);
}

.page-disclaimer .doc-hero__lead::before {
  content: "";
  display: block;
  width: 46px;
  height: 2px;
  margin-bottom: 14px;
  background: var(--orange);
}

.page-disclaimer .doc-hero__meta {
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--doc-hair);
  display: grid;
  gap: 14px;
}

.page-disclaimer .doc-hero__meta li {
  display: grid;
  gap: 4px;
}

.page-disclaimer .doc-hero__meta b {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--doc-dim);
}

.page-disclaimer .doc-hero__meta span {
  font-size: 14px;
  color: var(--paper);
}

/* ---------- 文档双栏 ---------- */
.page-disclaimer .doc-layout {
  display: grid;
  gap: clamp(20px, 4vw, 48px);
  padding-top: clamp(28px, 5vw, 56px);
  padding-bottom: clamp(56px, 9vw, 100px);
}

.page-disclaimer .doc-index {
  grid-column: 1;
  border: 1px solid var(--doc-hair);
  background: var(--ink-800);
  padding: 16px 16px 14px;
}

.page-disclaimer .doc-index__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--violet);
}

.page-disclaimer .doc-index__list {
  list-style: none;
  counter-reset: docidx;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-disclaimer .doc-index__list a {
  display: flex;
  gap: 10px;
  padding: 8px 2px;
  border-bottom: 1px dashed transparent;
  color: var(--paper);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.page-disclaimer .doc-index__list a::before {
  counter-increment: docidx;
  content: counter(docidx, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  padding-top: 3px;
}

.page-disclaimer .doc-index__list a:hover,
.page-disclaimer .doc-index__list a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--grid);
}

.page-disclaimer .doc-index__top {
  display: inline-block;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--doc-hair);
  width: 100%;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--mist);
  text-decoration: none;
}

.page-disclaimer .doc-index__top:hover,
.page-disclaimer .doc-index__top:focus-visible {
  color: var(--cyan);
}

.page-disclaimer .doc-body {
  grid-column: 1;
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-disclaimer .doc-sec {
  position: relative;
  padding: 28px 0 28px 42px;
  border-top: 1px solid var(--doc-hair);
  scroll-margin-top: calc(var(--header-h) + 16px);
}

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

.page-disclaimer .doc-sec__num {
  position: absolute;
  left: 0;
  top: 32px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-disclaimer .doc-sec:first-child .doc-sec__num {
  top: 4px;
}

.page-disclaimer .doc-sec__num::after {
  content: "";
  display: block;
  width: 1px;
  height: 24px;
  margin: 10px 0 0 7px;
  background: linear-gradient(180deg, var(--cyan), rgba(34, 230, 211, 0));
  transform: rotate(16deg);
  transform-origin: top center;
}

.page-disclaimer .doc-sec h2 {
  margin: 0 0 0.7em;
  font-size: clamp(1.2rem, 1rem + 1.1vw, 1.55rem);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-disclaimer .doc-sec p {
  margin: 0 0 1.05em;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--doc-text);
}

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

.page-disclaimer .doc-sec a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 230, 211, 0.45);
  padding-bottom: 1px;
}

.page-disclaimer .doc-sec a:hover,
.page-disclaimer .doc-sec a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

/* 列表 */
.page-disclaimer .doc-list {
  list-style: none;
  margin: 0 0 1.1em;
  padding: 0;
  max-width: 68ch;
  display: grid;
  gap: 10px;
}

.page-disclaimer .doc-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--doc-text);
}

.page-disclaimer .doc-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.78em;
  width: 9px;
  height: 1px;
  background: var(--orange);
}

/* 版本时间轴 */
.page-disclaimer .doc-version-line {
  list-style: none;
  margin: 6px 0 1.2em;
  padding: 0 0 0 16px;
  border-left: 1px solid var(--doc-hair);
  display: grid;
}

.page-disclaimer .doc-version-line li {
  position: relative;
  display: grid;
  gap: 3px;
  padding: 12px 0 12px 8px;
  border-bottom: 1px dashed rgba(43, 59, 82, 0.7);
}

.page-disclaimer .doc-version-line li:last-child {
  border-bottom: 0;
}

.page-disclaimer .doc-version-line li::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 19px;
  width: 7px;
  height: 7px;
  background: var(--ink-900);
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

.page-disclaimer .doc-version-line li.is-current::before {
  background: var(--orange);
  border-color: var(--orange);
}

.page-disclaimer .doc-version-line__tag {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-disclaimer .doc-version-line li.is-current .doc-version-line__tag {
  color: var(--orange);
}

.page-disclaimer .doc-version-line__name {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--paper);
}

.page-disclaimer .doc-version-line__desc {
  font-size: 14px;
  line-height: 1.72;
  color: var(--doc-text);
}

/* 设备规格标签 */
.page-disclaimer .doc-spec {
  list-style: none;
  margin: 0 0 1.1em;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-disclaimer .doc-spec li {
  padding: 5px 10px;
  border: 1px solid var(--grid);
  background: rgba(14, 29, 51, 0.7);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* 反馈清单 */
.page-disclaimer .doc-checklist {
  list-style: none;
  margin: 0 0 1.2em;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 8px;
}

.page-disclaimer .doc-checklist li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 12px;
  border-left: 2px solid var(--cyan);
  background: rgba(14, 29, 51, 0.72);
  font-size: 14px;
  color: var(--paper);
}

.page-disclaimer .doc-checklist .mono {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-disclaimer .doc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .doc-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-disclaimer .doc-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 14px;
  }

  .page-disclaimer .doc-sec {
    padding-left: 56px;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .doc-layout {
    grid-template-columns: minmax(0, 1fr) 240px;
    align-items: start;
  }

  .page-disclaimer .doc-body {
    grid-column: 1;
  }

  .page-disclaimer .doc-index {
    grid-column: 2;
    position: sticky;
    top: calc(var(--header-h) + 18px);
  }

  .page-disclaimer .doc-index__list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-disclaimer .doc-sec {
    padding: 34px 0 34px 66px;
  }

  .page-disclaimer .doc-sec__num {
    top: 38px;
  }

  .page-disclaimer .doc-sec h2 {
    margin-bottom: 0.85em;
  }
}

@media (min-width: 1200px) {
  .page-disclaimer .doc-hero__lead {
    font-size: 16px;
  }

  .page-disclaimer .doc-sec p,
  .page-disclaimer .doc-list li {
    font-size: 15.5px;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-disclaimer {
    background: #ffffff;
    color: #111111;
  }

  .page-disclaimer .doc-hero__media,
  .page-disclaimer .doc-hero::after,
  .page-disclaimer .doc-index,
  .page-disclaimer .doc-stamp__note,
  .page-disclaimer .doc-actions {
    display: none !important;
  }

  .page-disclaimer .doc-hero {
    background: none;
    border-bottom: 1px solid #cccccc;
    padding-bottom: 16px;
  }

  .page-disclaimer .doc-hero h1,
  .page-disclaimer .doc-hero__meta span,
  .page-disclaimer .doc-sec h2,
  .page-disclaimer .doc-version-line__name {
    color: #111111;
  }

  .page-disclaimer .doc-sec p,
  .page-disclaimer .doc-list li,
  .page-disclaimer .doc-version-line__desc,
  .page-disclaimer .doc-hero__lead {
    color: #222222;
  }

  .page-disclaimer .doc-sec,
  .page-disclaimer .doc-hero__meta {
    border-color: #cccccc;
    padding-left: 0;
  }

  .page-disclaimer .doc-sec__num {
    position: static;
    display: block;
    margin-bottom: 4px;
  }

  .page-disclaimer .doc-sec__num::after {
    display: none;
  }
}