.page-disclaimer {
  background: var(--blue-900);
  color: var(--mist-050);
  padding-top: clamp(18px, 2.6vw, 30px);
  padding-bottom: 0;
}

.page-disclaimer .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 32px);
}

/* ---------- 首屏：主题声明 + 章节索引 ---------- */
.page-disclaimer .usage-hero {
  display: grid;
  gap: clamp(22px, 3.4vw, 44px);
  padding-bottom: clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .usage-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.9rem, 5.4vw, 3.75rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 12px 0 0;
  color: var(--paper-000);
}

.page-disclaimer .usage-hero .lede {
  margin-top: clamp(14px, 2vw, 22px);
  max-width: 62ch;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--text-soft);
}

.page-disclaimer .usage-hero__aside {
  border-left: 1px solid var(--line-soft);
  padding-left: clamp(14px, 2.2vw, 26px);
}

.page-disclaimer .usage-hero__aside-label {
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-500);
  margin: 0 0 12px;
}

.page-disclaimer .usage-hero__index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-disclaimer .usage-hero__index a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--mist-050);
  font-size: var(--fs-14);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-disclaimer .usage-hero__index a .mono {
  color: var(--cyan-700);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
}

.page-disclaimer .usage-hero__index a:hover,
.page-disclaimer .usage-hero__index a:focus-visible {
  color: var(--cyan-500);
  border-bottom-color: var(--cyan-500);
  transform: translateX(2px);
}

@media (min-width: 900px) {
  .page-disclaimer .usage-hero {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
    align-items: end;
  }
}

/* ---------- 条文式区块 ---------- */
.page-disclaimer .clause {
  display: grid;
  gap: 12px;
  padding: clamp(24px, 3.6vw, 42px) 0;
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--masthead-h) + var(--nav-h) + 12px);
}

.page-disclaimer .clause__rail {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-disclaimer .clause__no {
  font-size: var(--fs-28);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--cyan-500);
}

.page-disclaimer .clause__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 2.8vw, 1.9rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--paper-000);
}

.page-disclaimer .clause__body p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--mist-050);
}

.page-disclaimer .clause__body p a,
.page-disclaimer .rule-list a {
  color: var(--cyan-500);
  text-decoration: none;
  border-bottom: 1px solid rgba(18, 214, 200, 0.45);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .clause__body p a:hover,
.page-disclaimer .rule-list a:hover,
.page-disclaimer .clause__body p a:focus-visible,
.page-disclaimer .rule-list a:focus-visible {
  color: var(--paper-000);
  border-bottom-color: var(--orange-500);
}

@media (min-width: 900px) {
  .page-disclaimer .clause {
    grid-template-columns: 132px minmax(0, 0.85fr) minmax(0, 1.75fr);
    gap: clamp(18px, 2.6vw, 40px);
    align-items: start;
  }
  .page-disclaimer .clause__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    position: sticky;
    top: calc(var(--masthead-h) + var(--nav-h) + 16px);
  }
}

/* ---------- 条文列表 ---------- */
.page-disclaimer .rule-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-disclaimer .rule-list li {
  position: relative;
  padding-left: 20px;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--text-soft);
}

.page-disclaimer .rule-list li strong {
  color: var(--paper-000);
  font-weight: 600;
  margin-right: 4px;
}

.page-disclaimer .rule-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 9px;
  height: 1px;
  background: var(--cyan-700);
}

/* ---------- 复制锚点按钮 ---------- */
.page-disclaimer .copy-btn {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  padding: 3px 9px;
  background: transparent;
  color: var(--text-mute);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .copy-btn:hover,
.page-disclaimer .copy-btn:focus-visible {
  color: var(--cyan-500);
  border-color: var(--cyan-500);
}

.page-disclaimer .copy-btn[data-copied] {
  color: var(--cyan-500);
  border-color: var(--cyan-500);
}

/* ---------- 引用示例视觉区 ---------- */
.page-disclaimer .ref-demo {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-disclaimer .ref-demo .media__frame {
  border: 1px solid var(--line-soft);
  background: var(--blue-700);
  overflow: hidden;
}

.page-disclaimer .ref-demo img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-disclaimer .ref-demo .media__caption {
  margin-top: 10px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-mute);
}

.page-disclaimer .ref-compare {
  margin-top: clamp(16px, 2.4vw, 24px);
  display: grid;
  gap: 12px;
}

.page-disclaimer .ref-block {
  background: var(--blue-700);
  border: 1px solid var(--line-soft);
  padding: 16px 18px;
}

.page-disclaimer .ref-block--good {
  border-left: 2px solid var(--cyan-500);
}

.page-disclaimer .ref-block--bad {
  border-left: 2px solid var(--orange-500);
}

.page-disclaimer .ref-block__label {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.page-disclaimer .ref-block--good .ref-block__label {
  color: var(--cyan-500);
}

.page-disclaimer .ref-block--bad .ref-block__label {
  color: var(--orange-500);
}

.page-disclaimer .ref-block pre {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  line-height: 1.9;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--mist-050);
}

@media (min-width: 760px) {
  .page-disclaimer .ref-compare {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
}

.page-disclaimer .ref-more {
  margin-top: 18px;
  border: 1px dashed var(--line-soft);
  padding: 12px 16px;
}

.page-disclaimer .ref-more summary {
  cursor: pointer;
  font-size: var(--fs-14);
  color: var(--cyan-500);
  list-style: none;
}

.page-disclaimer .ref-more summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .ref-more summary::before {
  content: "+ ";
  font-family: var(--font-mono);
}

.page-disclaimer .ref-more[open] summary::before {
  content: "– ";
}

.page-disclaimer .ref-more p {
  margin: 10px 0 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--text-soft);
}

/* ---------- 结尾联系入口 ---------- */
.page-disclaimer .feedback {
  margin-top: clamp(36px, 5.5vw, 70px);
  border-top: 2px solid var(--orange-500);
  padding: clamp(22px, 3vw, 34px) 0 clamp(48px, 7vw, 88px);
  scroll-margin-top: calc(var(--masthead-h) + var(--nav-h) + 12px);
  transition: background var(--dur-slow) var(--ease);
}

.page-disclaimer .feedback:target {
  background: linear-gradient(90deg, rgba(255, 122, 47, 0.15), rgba(255, 122, 47, 0) 64%);
}

.page-disclaimer .feedback__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.4vw, 2.25rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--paper-000);
}

.page-disclaimer .feedback__text {
  margin: 14px 0 0;
  max-width: 68ch;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--text-soft);
}

.page-disclaimer .feedback__actions {
  margin-top: clamp(18px, 2.6vw, 26px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 600px) {
  .page-disclaimer .usage-hero__aside {
    border-left: none;
    border-top: 1px solid var(--line-soft);
    padding-left: 0;
    padding-top: 16px;
  }
  .page-disclaimer .ref-demo .media__caption {
    font-size: var(--fs-12);
  }
}
<<<END>>>