.page-disclaimer {
  --dis-rail: 136px;
  --dis-line: var(--frost);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dis-hero {
  position: relative;
  padding: 104px 0 52px;
  background: linear-gradient(158deg, var(--mist-a) 0%, var(--mist-b) 58%, var(--paper) 100%);
  border-bottom: 1px solid var(--frost);
  overflow: hidden;
}

.page-disclaimer .dis-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(27, 59, 111, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(27, 59, 111, 0.055) 1px, transparent 1px);
  background-size: 52px 52px;
  pointer-events: none;
}

.page-disclaimer .dis-hero .container {
  position: relative;
  z-index: 1;
}

.page-disclaimer .dis-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  align-items: end;
}

.page-disclaimer h1 {
  margin: 18px 0 0;
  font-size: clamp(29px, 5vw, 50px);
  line-height: 1.14;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 17em;
}

.page-disclaimer .dis-hero__lead {
  margin: 20px 0 0;
  max-width: 36em;
  color: var(--ink-2);
  font-size: 16px;
  line-height: 1.75;
}

.page-disclaimer .eyebrow {
  display: inline-block;
  margin: 22px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--red);
}

/* 首屏修订卡 */
.page-disclaimer .dis-hero__log {
  position: relative;
  background: var(--white);
  border: 1px solid var(--frost);
  border-radius: var(--radius);
  box-shadow: var(--shadow-2);
  padding: 20px 22px 18px 26px;
  overflow: hidden;
}

.page-disclaimer .dis-hero__log::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--red) 0%, var(--blue) 60%, var(--green) 100%);
}

.page-disclaimer .dis-log__title {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-disclaimer .dis-log__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .dis-log__item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px dashed var(--frost);
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

.page-disclaimer .dis-log__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-disclaimer .dis-log__rev {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--red);
}

/* ---------- 宽幅头图 ---------- */
.page-disclaimer .dis-banner {
  margin: 0;
  border-bottom: 1px solid var(--frost);
  background: var(--paper-2);
  line-height: 0;
}

.page-disclaimer .dis-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 1400 / 400;
  object-fit: cover;
}

/* ---------- 条款索引条 ---------- */
.page-disclaimer .dis-toc {
  background: var(--paper-2);
  border-bottom: 1px solid var(--frost);
}

.page-disclaimer .dis-toc__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  padding: 15px 0;
}

.page-disclaimer .dis-toc__cap {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
  flex: none;
}

.page-disclaimer .dis-toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .dis-toc__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 6px 12px;
  border: 1px solid var(--frost);
  border-radius: var(--radius);
  background: var(--white);
  font-size: 13.5px;
  color: var(--ink-2);
  text-decoration: none;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-disclaimer .dis-toc__list a:hover,
.page-disclaimer .dis-toc__list a:focus-visible {
  border-color: var(--blue);
  color: var(--blue);
  transform: translateY(-1px);
}

.page-disclaimer .dis-toc__list .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--red);
}

/* ---------- 正文区 ---------- */
.page-disclaimer .dis-body {
  padding: 40px 0 80px;
  background: var(--paper);
}

.page-disclaimer .dis-sec {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  padding: 30px 0;
  border-top: 1px solid var(--frost);
}

.page-disclaimer .dis-sec:first-child {
  border-top: 0;
  padding-top: 8px;
}

.page-disclaimer .dis-sec__head {
  display: flex;
  align-items: baseline;
  gap: 13px;
  margin-bottom: 15px;
}

.page-disclaimer .dis-sec__no {
  flex: none;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.1em;
  color: var(--red);
  padding: 3px 8px;
  border: 1px solid currentColor;
  border-radius: 2px;
}

.page-disclaimer .dis-sec h2 {
  margin: 0;
  font-size: clamp(20px, 3vw, 26px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-disclaimer .dis-sec__text p {
  margin: 0 0 14px;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink-2);
}

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

.page-disclaimer .dis-sec__text a {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-disclaimer .dis-sec__text a:hover,
.page-disclaimer .dis-sec__text a:focus-visible {
  color: var(--red);
}

/* ---------- 版本刻度栏 ---------- */
.page-disclaimer .dis-rail {
  padding-top: 4px;
}

.page-disclaimer .dis-rail__stack {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
}

.page-disclaimer .dis-rail__rev {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--white);
  background: var(--blue);
  border-radius: 2px;
  padding: 3px 8px;
  flex: none;
}

.page-disclaimer .dis-rail__date {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--slate);
  letter-spacing: 0.04em;
  flex: none;
}

.page-disclaimer .dis-rail__note {
  flex: 1 1 100%;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--slate);
  max-height: 6em;
  opacity: 1;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 880px) {
  .page-disclaimer .dis-hero {
    padding: 132px 0 64px;
  }

  .page-disclaimer .dis-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.85fr);
    gap: 60px;
  }

  .page-disclaimer .dis-body {
    padding: 52px 0 104px;
  }

  .page-disclaimer .dis-sec {
    grid-template-columns: minmax(0, 1fr) var(--dis-rail);
    gap: 44px;
    padding: 42px 0;
  }

  .page-disclaimer .dis-sec:first-child {
    padding-top: 12px;
  }

  .page-disclaimer .dis-rail {
    border-left: 1px solid var(--dis-line);
    padding-left: 26px;
    padding-top: 3px;
  }

  .page-disclaimer .dis-rail__stack {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }

  .page-disclaimer .dis-rail__note {
    flex: 0 0 auto;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.22s var(--ease), opacity 0.22s var(--ease), margin-top 0.22s var(--ease);
  }

  .page-disclaimer .dis-rail:hover .dis-rail__note,
  .page-disclaimer .dis-rail:focus-within .dis-rail__note {
    max-height: 6em;
    opacity: 1;
    margin-top: 5px;
  }
}

@media (min-width: 1100px) {
  .page-disclaimer .dis-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.75fr);
    gap: 72px;
  }
}

/* ---------- 移动端兜底 ---------- */
@media (max-width: 560px) {
  .page-disclaimer .dis-hero {
    padding: 92px 0 40px;
  }

  .page-disclaimer .dis-toc__list a {
    padding: 5px 10px;
    font-size: 13px;
  }

  .page-disclaimer .dis-sec__head {
    flex-direction: row;
    align-items: flex-start;
    gap: 10px;
  }

  .page-disclaimer .dis-sec__text p {
    font-size: 15px;
  }
}