.page-disclaimer {
  --ag-sticky: calc(var(--tick-h) + var(--mast-h) + 20px);
  background: var(--ink);
  color: var(--paper);
  padding-block: clamp(16px, 3vw, 28px) clamp(48px, 8vw, 92px);
  overflow-x: clip;
}

/* 首屏 */
.page-disclaimer .ag-hero {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  align-items: end;
  padding-block: clamp(20px, 5vw, 46px) clamp(22px, 4vw, 38px);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .ag-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 9vw, 5.4rem);
  line-height: 0.92;
  letter-spacing: -0.015em;
  font-weight: 800;
  margin-block: 10px 14px;
  color: var(--paper);
  text-wrap: balance;
}

.page-disclaimer .ag-hero__lead {
  max-width: 56ch;
  font-size: clamp(0.98rem, 2.4vw, 1.08rem);
  line-height: 1.85;
  color: var(--muted);
  margin: 0;
}

.page-disclaimer .ag-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-block: 18px 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.page-disclaimer .ag-hero__chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-disclaimer .ag-hero__chip--gold {
  color: var(--gold);
  border-color: rgba(212, 175, 55, 0.45);
}

.page-disclaimer .ag-hero__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  position: relative;
  overflow: hidden;
}

.page-disclaimer .ag-hero__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.06);
}

.page-disclaimer .ag-hero__caption {
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--muted);
  background: var(--panel);
}

/* 数据横条 */
.page-disclaimer .ag-strip {
  margin-block-start: clamp(14px, 2.5vw, 22px);
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-disclaimer .ag-strip .data-strip__item {
  padding: 14px 16px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .ag-strip .data-strip__value {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 4vw, 1.7rem);
  font-weight: 700;
  color: var(--cyan);
  display: block;
  line-height: 1;
}

.page-disclaimer .ag-strip .data-strip__label {
  display: block;
  margin-block-start: 6px;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* 条款目录索引 */
.page-disclaimer .ag-index {
  margin-block-start: clamp(20px, 3.5vw, 34px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-disclaimer .ag-index__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 14px 14px 16px;
  background: var(--panel);
  color: var(--paper);
  text-decoration: none;
  position: relative;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-disclaimer .ag-index__item::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block: 0;
  width: 2px;
  background: var(--red);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.22s var(--ease);
}

.page-disclaimer .ag-index__item:hover,
.page-disclaimer .ag-index__item:focus-visible {
  background: var(--elevated);
  outline: none;
}

.page-disclaimer .ag-index__item:hover::before,
.page-disclaimer .ag-index__item:focus-visible::before {
  transform: scaleY(1);
}

.page-disclaimer .ag-index__no {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.06em;
}

.page-disclaimer .ag-index__label {
  font-size: 0.9rem;
  line-height: 1.4;
}

/* 正文双栏 */
.page-disclaimer .ag-body {
  display: grid;
  gap: clamp(22px, 4vw, 46px);
  padding-block-start: clamp(26px, 5vw, 54px);
  align-items: start;
}

.page-disclaimer .ag-toc {
  display: none;
}

.page-disclaimer .ag-clause {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: clamp(18px, 3vw, 30px);
  margin-block-end: clamp(12px, 2vw, 18px);
  scroll-margin-top: var(--ag-sticky);
}

.page-disclaimer .ag-clause::before {
  content: "";
  position: absolute;
  inset-inline-start: -1px;
  inset-block-start: 0;
  width: 3px;
  height: 44px;
  background: var(--red);
}

.page-disclaimer .ag-clause__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  padding-block-end: 12px;
  border-bottom: 1px solid var(--line);
  margin-block-end: 16px;
}

.page-disclaimer .ag-clause__no {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 4vw, 1.7rem);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.05em;
}

.page-disclaimer .ag-clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3.4vw, 1.85rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-disclaimer .ag-clause__tag {
  margin-inline-start: auto;
  align-self: center;
}

.page-disclaimer .ag-clause__body {
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--paper);
}

.page-disclaimer .ag-clause__body p {
  margin-block: 0 0.9em;
  max-width: 66ch;
  color: var(--paper);
}

.page-disclaimer .ag-clause__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 72ch;
}

.page-disclaimer .ag-clause__list li {
  position: relative;
  padding-inline-start: 20px;
  line-height: 1.8;
  font-size: 0.94rem;
  color: var(--muted);
}

.page-disclaimer .ag-clause__list li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0.78em;
  width: 9px;
  height: 2px;
  background: var(--cyan);
}

.page-disclaimer .ag-clause__note {
  background: var(--paper);
  color: var(--ink);
  border-inline-start: 3px solid var(--gold);
  padding: 14px 16px;
  margin-block-start: 18px;
  font-size: 0.87rem;
  line-height: 1.75;
}

.page-disclaimer .ag-clause__note strong {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  margin-block-end: 6px;
  padding-block-end: 6px;
  border-bottom: 1px solid rgba(11, 14, 20, 0.16);
}

.page-disclaimer .ag-clause__note p {
  margin: 0;
  color: #2b3442;
}

/* 版本路径图 */
.page-disclaimer .ag-flow {
  margin: 18px 0 22px;
  padding: 14px 12px 10px;
  border: 1px solid var(--line);
  background: rgba(11, 14, 20, 0.55);
}

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

.page-disclaimer .ag-flow__t {
  font-family: var(--font-mono);
  font-size: 12px;
  fill: var(--muted);
  letter-spacing: 0.04em;
}

.page-disclaimer .ag-flow__t--now {
  fill: var(--red);
  font-weight: 700;
}

.page-disclaimer .ag-flow__cap {
  margin-block-start: 8px;
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--muted);
}

/* 结尾指引 */
.page-disclaimer .ag-help {
  display: grid;
  gap: var(--gap);
  margin-block-start: clamp(20px, 4vw, 34px);
}

.page-disclaimer .ag-help__card {
  padding: clamp(18px, 3vw, 26px);
}

.page-disclaimer .ag-help__eyebrow {
  margin: 0 0 8px;
}

.page-disclaimer .ag-help__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-disclaimer .ag-help__text {
  margin: 0 0 16px;
  font-size: 0.92rem;
  line-height: 1.8;
}

.page-disclaimer .ag-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-disclaimer .ag-help__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
}

.page-disclaimer .ag-help__list li {
  background: var(--panel);
}

.page-disclaimer .ag-help__link {
  display: block;
  padding: 12px 4px;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 0.2s var(--ease), padding-inline-start 0.2s var(--ease);
}

.page-disclaimer .ag-help__link:hover,
.page-disclaimer .ag-help__link:focus-visible {
  color: var(--cyan);
  padding-inline-start: 8px;
  outline: none;
}

.page-disclaimer .ag-foot {
  margin-block: clamp(24px, 4vw, 40px) 0;
  padding-block-start: 14px;
  border-top: 1px solid var(--line);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* 平板起：目录索引四列、数据条四列 */
@media (min-width: 640px) {
  .page-disclaimer .ag-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-disclaimer .ag-strip .data-strip__item {
    border-top: 0;
    border-inline-start: 1px solid var(--line);
  }

  .page-disclaimer .ag-strip .data-strip__item:first-child {
    border-inline-start: 0;
  }

  .page-disclaimer .ag-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-disclaimer .ag-help {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 桌面：首屏左右分置、目录吸顶 */
@media (min-width: 900px) {
  .page-disclaimer .ag-hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-disclaimer .ag-hero__figure {
    align-self: stretch;
  }

  .page-disclaimer .ag-hero__img {
    aspect-ratio: 4 / 3;
    height: 100%;
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .ag-body {
    grid-template-columns: 216px minmax(0, 1fr);
  }

  .page-disclaimer .ag-toc {
    display: block;
    position: sticky;
    top: var(--ag-sticky);
    padding-inline-end: 8px;
    border-inline-end: 1px solid var(--line);
    align-self: start;
  }

  .page-disclaimer .ag-toc .toc__title {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
    margin: 0 0 12px;
  }

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

  .page-disclaimer .ag-toc .toc__link {
    display: block;
    padding: 8px 10px;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--muted);
    text-decoration: none;
    border-inline-start: 2px solid transparent;
    transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
  }

  .page-disclaimer .ag-toc .toc__link:hover,
  .page-disclaimer .ag-toc .toc__link:focus-visible {
    color: var(--paper);
    background: var(--panel);
    outline: none;
  }

  .page-disclaimer .ag-toc .toc__link[aria-current="true"],
  .page-disclaimer .ag-toc .toc__link[aria-current="location"] {
    color: var(--paper);
    border-inline-start-color: var(--red);
    background: var(--panel);
  }
}

/* 宽屏：条款内正文与暖纸摘要并置 */
@media (min-width: 1180px) {
  .page-disclaimer .ag-clause--split {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(230px, 1fr);
    gap: 4px 28px;
    align-items: start;
  }

  .page-disclaimer .ag-clause--split .ag-clause__head {
    grid-column: 1 / -1;
  }

  .page-disclaimer .ag-clause--split .ag-clause__note {
    margin-block-start: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .ag-index__item,
  .page-disclaimer .ag-index__item::before,
  .page-disclaimer .ag-help__link {
    transition: none;
  }
}
<<<END>>>