.page-disclaimer {
  --disc-line: rgba(90, 107, 122, 0.26);
  --disc-line-soft: rgba(90, 107, 122, 0.14);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-17);
  line-height: 1.85;
  padding-bottom: 88px;
  overflow-x: hidden;
}

.page-disclaimer .disc-hero {
  position: relative;
  padding: calc(var(--header-h) + 44px) 0 44px;
  border-bottom: 1px solid var(--disc-line);
  overflow: hidden;
}

.page-disclaimer .disc-hero::after {
  content: "";
  position: absolute;
  left: 30%;
  bottom: -60%;
  width: 70%;
  height: 320px;
  background: radial-gradient(58% 68% at 50% 50%, rgba(217, 162, 74, 0.17), rgba(217, 162, 74, 0) 72%);
  pointer-events: none;
}

.page-disclaimer .disc-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-disclaimer .disc-hero .eyebrow {
  color: var(--slate);
}

.page-disclaimer .disc-hero h1 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(28px, 7vw, var(--fs-56));
  line-height: 1.24;
  letter-spacing: -0.01em;
  margin: 14px 0 20px;
  max-width: 15em;
  color: var(--deep);
}

.page-disclaimer .disc-hero .lede {
  max-width: var(--measure);
  color: var(--slate);
  font-size: var(--fs-17);
  margin: 0;
}

.page-disclaimer .disc-hero-meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 28px 0 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-disclaimer .disc-hero-meta li {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-disclaimer .disc-hero-meta .mono-num {
  color: var(--deep);
  font-size: var(--fs-14);
}

/* 主体两栏 */
.page-disclaimer .disc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding-top: 34px;
}

.page-disclaimer .disc-rail,
.page-disclaimer .disc-body {
  min-width: 0;
}

/* 锚点导航 */
.page-disclaimer .disc-rail-list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-disclaimer .disc-rail-list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .disc-rail-link {
  display: block;
  white-space: nowrap;
  padding: 9px 16px;
  border-radius: var(--pill);
  border: 1px solid var(--disc-line);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--slate);
  text-decoration: none;
  transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
}

.page-disclaimer .disc-rail-link:hover,
.page-disclaimer .disc-rail-link:focus-visible {
  color: var(--deep);
  border-color: var(--mist);
}

.page-disclaimer .disc-rail-link[aria-current="true"] {
  color: var(--deep);
  border-color: var(--gold);
  background: var(--warm);
}

/* 章节 */
.page-disclaimer .disc-sec {
  padding: 42px 0 34px;
  border-top: 1px solid var(--disc-line);
}

.page-disclaimer .disc-sec:first-child {
  padding-top: 6px;
  border-top: 0;
}

.page-disclaimer .disc-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  color: var(--slate);
}

.page-disclaimer .disc-eyebrow::after {
  content: "";
  flex: 0 0 48px;
  height: 2px;
  background: var(--gold);
}

.page-disclaimer .disc-eyebrow .mono-num {
  color: var(--deep);
}

.page-disclaimer .section-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(21px, 4.6vw, var(--fs-28));
  line-height: 1.42;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--ink);
}

.page-disclaimer .disc-sec .prose {
  max-width: var(--measure);
  margin: 0;
  color: var(--ink);
}

/* 条目列表 */
.page-disclaimer .disc-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  max-width: var(--measure);
}

.page-disclaimer .disc-item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 10px;
  padding: 15px 0;
  border-top: 1px solid var(--disc-line-soft);
}

.page-disclaimer .disc-item:first-child {
  border-top: 0;
  padding-top: 6px;
}

.page-disclaimer .disc-item-num {
  font-size: var(--fs-12);
  color: var(--slate);
  letter-spacing: 0.08em;
  padding-top: 6px;
}

.page-disclaimer .disc-item p {
  margin: 0;
  font-size: var(--fs-17);
  line-height: 1.8;
}

.page-disclaimer .disc-item .mono-num {
  font-size: var(--fs-14);
  color: var(--deep);
}

/* 版本号四段结构 */
.page-disclaimer .disc-anatomy {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  max-width: var(--measure);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-disclaimer .disc-anatomy li {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--disc-line-soft);
  background: linear-gradient(180deg, var(--warm), rgba(255, 251, 243, 0.55));
  font-size: var(--fs-14);
  color: var(--deep);
}

.page-disclaimer .disc-anatomy .mono-num {
  font-size: var(--fs-12);
  color: var(--slate);
  letter-spacing: 0.08em;
}

/* 配图 */
.page-disclaimer .disc-figure {
  margin: 26px 0 8px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 100%;
  background: linear-gradient(135deg, var(--deep-2), var(--deep));
}

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

/* 宽度分档 */
.page-disclaimer .disc-breaks {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  max-width: var(--measure);
  display: grid;
  gap: 10px;
}

.page-disclaimer .disc-break {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--disc-line-soft);
  background: var(--warm);
}

.page-disclaimer .disc-break-range {
  font-size: var(--fs-14);
  color: var(--deep);
  letter-spacing: 0.03em;
}

.page-disclaimer .disc-break-text {
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--slate);
}

/* 责任边界强调块 */
.page-disclaimer .disc-callout {
  margin: 26px 0 0;
  padding: 20px 22px 22px 24px;
  max-width: var(--measure);
  border-left: 5px solid var(--coral);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--warm);
}

.page-disclaimer .disc-callout p {
  margin: 0 0 16px;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--ink);
}

.page-disclaimer .disc-callout .btn {
  font-size: var(--fs-14);
}

/* 三段结构色带 */
.page-disclaimer .disc-band {
  margin-top: 54px;
  padding-top: 36px;
  border-top: 1px solid var(--disc-line);
}

.page-disclaimer .disc-band-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(21px, 4.4vw, var(--fs-28));
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  color: var(--ink);
}

.page-disclaimer .disc-band-lede {
  margin: 0;
  max-width: var(--measure);
  color: var(--slate);
  font-size: var(--fs-14);
}

.page-disclaimer .disc-band-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-disclaimer .disc-band-item {
  padding-top: 15px;
  border-top: 4px solid var(--gold);
}

.page-disclaimer .disc-band-item--versions {
  border-top-color: var(--mist);
  border-top-width: 3px;
}

.page-disclaimer .disc-band-item--feedback {
  border-top-color: var(--coral);
  border-top-width: 5px;
}

.page-disclaimer .disc-band-num {
  display: block;
  font-size: var(--fs-12);
  color: var(--slate);
  letter-spacing: 0.12em;
  margin-bottom: 10px;
}

.page-disclaimer .disc-band-link {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: var(--fs-21);
  color: var(--deep);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 0.25s ease, color 0.25s ease;
}

.page-disclaimer .disc-band-item--feedback .disc-band-link {
  color: var(--wine);
}

.page-disclaimer .disc-band-link:hover,
.page-disclaimer .disc-band-link:focus-visible {
  border-bottom-color: var(--gold);
}

.page-disclaimer .disc-band-item p {
  margin: 8px 0 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--slate);
}

/* 页尾注 */
.page-disclaimer .disc-footnote {
  margin: 56px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--disc-line);
  max-width: var(--measure);
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--slate);
}

.page-disclaimer .disc-footnote a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--coral);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

/* 平板与桌面 */
@media (min-width: 640px) {
  .page-disclaimer .disc-anatomy {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .disc-break {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
    border-radius: var(--pill);
  }
}

@media (min-width: 760px) {
  .page-disclaimer .disc-band-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .disc-anatomy {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .disc-hero {
    padding-top: calc(var(--header-h) + 64px);
    padding-bottom: 58px;
  }

  .page-disclaimer .disc-layout {
    grid-template-columns: minmax(0, 1fr) 208px;
    gap: 64px;
    padding-top: 46px;
  }

  .page-disclaimer .disc-rail {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    align-self: start;
    padding-left: 18px;
    border-left: 1px solid var(--disc-line);
  }

  .page-disclaimer .disc-rail-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .disc-rail-link {
    position: relative;
    border: 0;
    border-radius: 0;
    white-space: normal;
    padding: 10px 0 10px 14px;
    font-size: var(--fs-12);
    line-height: 1.6;
    background: transparent;
  }

  .page-disclaimer .disc-rail-link::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 0;
    background: var(--gold);
    transition: height 0.25s ease;
  }

  .page-disclaimer .disc-rail-link:hover,
  .page-disclaimer .disc-rail-link:focus-visible {
    border-color: transparent;
    background: transparent;
    color: var(--deep);
  }

  .page-disclaimer .disc-rail-link[aria-current="true"] {
    border-color: transparent;
    background: transparent;
    color: var(--ink);
    font-weight: 500;
  }

  .page-disclaimer .disc-rail-link[aria-current="true"]::before {
    height: 22px;
  }

  .page-disclaimer .disc-sec {
    padding: 52px 0 40px;
  }

  .page-disclaimer .disc-band {
    margin-top: 66px;
    padding-top: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer * {
    transition: none !important;
    animation: none !important;
  }
}