.page-disclaimer {
  --doc-rule: rgba(42, 111, 176, 0.18);
  --doc-rule-strong: rgba(42, 111, 176, 0.34);
  --doc-muted: #4a5766;
  --doc-band-text: rgba(214, 227, 240, 0.86);
  background: var(--mist);
  color: var(--ink);
}

.page-disclaimer .doc-topline {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--grid);
  background: rgba(255, 255, 255, 0.7);
}

/* ---------- 顶部说明区 ---------- */
.page-disclaimer .doc-hero {
  position: relative;
  padding: clamp(2.2rem, 6vw, 4.4rem) 0 clamp(2.2rem, 5vw, 3.4rem);
  border-bottom: 1px solid var(--doc-rule);
  background-color: var(--mist);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 96px 96px;
  background-position: -1px -1px;
}

.page-disclaimer .doc-hero__inner {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.8rem);
}

.page-disclaimer .doc-hero__text {
  max-width: 48rem;
}

.page-disclaimer .doc-hero h1 {
  margin: 0.6rem 0 1.1rem;
  font-family: var(--font-heading);
  font-size: clamp(1.9rem, 6.2vw, 3.35rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-disclaimer .doc-hero__lead {
  margin: 0;
  max-width: 44rem;
  font-size: clamp(1rem, 2.4vw, 1.12rem);
  line-height: 1.9;
  color: var(--doc-muted);
}

.page-disclaimer .doc-hero__figure {
  position: relative;
  margin: 0;
  border-top: 3px solid var(--tibet-red);
  background: var(--paper);
}

.page-disclaimer .doc-hero__figure::after {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--sky) 0 20%,
    var(--tibet-red) 20% 40%,
    var(--banner-orange) 40% 60%,
    var(--turquoise) 60% 80%,
    var(--violet) 80% 100%
  );
}

.page-disclaimer .doc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: cover;
}

.page-disclaimer .doc-hero__figure .media__caption {
  margin: 0;
  padding: 0.7rem 0.9rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--sky);
  background: var(--paper);
}

/* ---------- 正文骨架 ---------- */
.page-disclaimer .doc-body {
  padding-block: clamp(2rem, 5vw, 3.5rem);
}

.page-disclaimer .doc-grid {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.4rem);
  align-items: start;
}

/* ---------- 章节索引 ---------- */
.page-disclaimer .doc-toc {
  padding: 1rem;
  border: 1px solid var(--doc-rule);
  background: rgba(255, 255, 255, 0.78);
}

.page-disclaimer .doc-toc__label {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  color: var(--sky);
}

.page-disclaimer .doc-toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .doc-toc__list li {
  flex: 0 0 auto;
}

.page-disclaimer .doc-toc__list a {
  display: block;
  padding: 0.4rem 0.55rem;
  border-bottom: 2px solid var(--doc-rule);
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--doc-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out),
    background-color 0.2s var(--ease-out);
}

.page-disclaimer .doc-toc__list a:hover {
  border-bottom-color: var(--sky);
  color: var(--sky);
  background: rgba(42, 111, 176, 0.06);
}

.page-disclaimer .doc-toc__list a.is-current {
  border-bottom-color: var(--tibet-red);
  color: var(--tibet-red);
  font-weight: 600;
}

/* ---------- 分节 ---------- */
.page-disclaimer .doc-sections {
  display: grid;
  gap: 0;
}

.page-disclaimer .doc-sec {
  padding: clamp(1.7rem, 4vw, 2.9rem) 0;
  border-top: 1px solid var(--doc-rule);
  scroll-margin-top: 7rem;
}

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

.page-disclaimer .doc-sec__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.2em;
  color: var(--tibet-red);
}

.page-disclaimer .doc-sec h2 {
  margin: 0.5rem 0 1rem;
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 3.6vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-disclaimer .doc-sec p {
  margin: 0 0 1rem;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--doc-muted);
}

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

.page-disclaimer .doc-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.3rem;
}

/* ---------- 使用规则编号清单 ---------- */
.page-disclaimer .doc-rules {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: rule;
}

.page-disclaimer .doc-rules li {
  position: relative;
  padding: 1rem 0 1rem 2.7rem;
  border-top: 1px dashed var(--doc-rule);
  font-size: 0.97rem;
  line-height: 1.85;
  color: var(--doc-muted);
  counter-increment: rule;
}

.page-disclaimer .doc-rules li:first-child {
  border-top: 0;
  padding-top: 1rem;
}

.page-disclaimer .doc-rules li::before {
  content: counter(rule, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.05rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  color: var(--sky);
}

.page-disclaimer .doc-rules b {
  font-weight: 600;
  color: var(--ink);
}

/* ---------- 数据来源键值清单 ---------- */
.page-disclaimer .doc-facts {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--doc-rule);
}

.page-disclaimer .doc-facts li {
  display: grid;
  gap: 0.2rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--grid);
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-disclaimer .doc-facts__key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--sky);
}

.page-disclaimer .doc-facts__val {
  color: var(--ink);
}

/* ---------- 责任限制深色区 ---------- */
.page-disclaimer .doc-sec.doc-sec--band {
  position: relative;
  overflow: hidden;
  margin: 1.2rem 0;
  padding: clamp(1.6rem, 4vw, 2.8rem);
  border-top: 0;
  background: var(--sky-deep);
}

.page-disclaimer .doc-sec--band::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -50px;
  width: 230px;
  height: 230px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.26), transparent 70%);
  pointer-events: none;
}

.page-disclaimer .doc-sec--band .doc-sec__num {
  color: var(--banner-orange);
}

.page-disclaimer .doc-sec--band h2 {
  color: #ffffff;
}

.page-disclaimer .doc-sec--band p {
  color: var(--doc-band-text);
}

/* ---------- 结尾引导 ---------- */
.page-disclaimer .doc-foot {
  display: grid;
  gap: 1rem;
  margin-top: 2.4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--doc-rule);
}

.page-disclaimer .doc-foot__text {
  margin: 0;
  max-width: 52ch;
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-disclaimer .doc-foot__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-disclaimer .doc-totop {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--sky);
  text-decoration: none;
}

.page-disclaimer .doc-totop::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--sky);
}

.page-disclaimer .doc-totop:hover {
  color: var(--tibet-red);
}

.page-disclaimer .doc-totop:hover::before {
  background: var(--tibet-red);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 620px) {
  .page-disclaimer .doc-facts li {
    grid-template-columns: 12rem 1fr;
    gap: 1rem;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .doc-hero__inner {
    grid-template-columns: 1fr;
  }

  .page-disclaimer .doc-grid {
    grid-template-columns: minmax(176px, 216px) 1fr;
    gap: clamp(2rem, 5vw, 4.4rem);
  }

  .page-disclaimer .doc-toc {
    position: sticky;
    top: 6.5rem;
    padding: 1.1rem 1rem;
  }

  .page-disclaimer .doc-toc__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0.12rem;
  }

  .page-disclaimer .doc-toc__list li {
    flex: 1 1 auto;
  }

  .page-disclaimer .doc-toc__list a {
    padding: 0.58rem 0 0.58rem 0.9rem;
    border-bottom: 0;
    border-left: 2px solid var(--doc-rule);
    white-space: normal;
  }

  .page-disclaimer .doc-toc__list a:hover {
    border-left-color: var(--sky);
  }

  .page-disclaimer .doc-toc__list a.is-current {
    border-left-color: var(--tibet-red);
  }
}

@media (min-width: 1100px) {
  .page-disclaimer .doc-hero__figure {
    max-width: 1080px;
  }
}