.page-disclaimer {
  --usage-line: rgba(74, 85, 96, 0.22);
  background: var(--mist);
  color: var(--rock);
  font-family: var(--font-body);
}

.page-disclaimer p {
  line-height: 1.75;
}

.page-disclaimer a {
  color: var(--tide-blue);
}

.page-disclaimer .usage-crumb {
  background: var(--mist);
  padding-top: 18px;
}

/* 首屏 */
.page-disclaimer .usage-hero {
  background: linear-gradient(158deg, var(--deep-sea) 0%, var(--deep-sea-2) 100%);
  color: var(--paper);
  border-bottom: 6px solid var(--coral);
  padding-block: 30px 46px;
}

.page-disclaimer .usage-hero-inner {
  display: grid;
  gap: 28px;
}

.page-disclaimer .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--sand);
}

.page-disclaimer .usage-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(27px, 6vw, 50px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  max-width: 15em;
  color: var(--paper);
}

.page-disclaimer .hero-lede {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 16px;
  color: var(--on-dark-soft);
}

.page-disclaimer .hero-meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
}

.page-disclaimer .hero-meta li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 7px 12px;
  border: 1px solid var(--on-dark-line);
  color: var(--paper);
}

.page-disclaimer .hero-media {
  margin: 0;
  border: 1px solid var(--on-dark-line);
  box-shadow: 8px 8px 0 rgba(228, 87, 46, 0.32);
}

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

/* 章节速览 */
.page-disclaimer .usage-toc {
  background: var(--paper);
  border-bottom: 1px solid var(--usage-line);
}

.page-disclaimer .usage-toc-inner {
  padding-block: 14px;
}

.page-disclaimer .usage-toc-list {
  list-style: none;
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .usage-toc-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 9px 14px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--deep-sea);
  text-decoration: none;
  font-size: 14px;
  transition: border-color 0.2s var(--ease-tide), box-shadow 0.2s var(--ease-tide);
}

.page-disclaimer .usage-toc-list a b {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--coral);
}

.page-disclaimer .usage-toc-list a:hover,
.page-disclaimer .usage-toc-list a[aria-current="true"] {
  border-color: var(--coral);
  box-shadow: var(--hard-shadow-sm);
}

/* 双栏主体 */
.page-disclaimer .usage-body {
  display: grid;
  gap: 34px;
  padding-block: 40px 64px;
}

.page-disclaimer .usage-main {
  min-width: 0;
}

.page-disclaimer .usage-section {
  padding-top: 4px;
  margin-bottom: 52px;
}

.page-disclaimer .usage-section:last-child {
  margin-bottom: 0;
}

.page-disclaimer .sec-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.page-disclaimer .sec-index {
  flex: 0 0 auto;
  min-width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: var(--coral);
  color: var(--sand);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  box-shadow: var(--hard-shadow-sm);
}

.page-disclaimer .sec-head h2 {
  margin: 2px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--deep-sea);
}

.page-disclaimer .sec-lede {
  margin: 16px 0 20px;
  max-width: 36em;
  font-size: 16px;
}

/* 条款清单 */
.page-disclaimer .rule-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .rule-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--usage-line);
}

.page-disclaimer .rule-item:last-child {
  border-bottom: 1px solid var(--usage-line);
}

.page-disclaimer .rule-num {
  height: 30px;
  display: grid;
  place-items: center;
  background: var(--coral);
  color: var(--sand);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  box-shadow: var(--hard-shadow-sm);
  transition: transform 0.2s var(--ease-tide), box-shadow 0.2s var(--ease-tide);
}

.page-disclaimer .rule-item:hover .rule-num {
  transform: translate(-2px, -2px);
  box-shadow: 10px 10px 0 rgba(14, 42, 71, 0.14);
}

.page-disclaimer .rule-body {
  border-left: 1px solid var(--usage-line);
  padding-left: 14px;
}

.page-disclaimer .rule-body h3 {
  margin: 2px 0 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--deep-sea);
}

.page-disclaimer .rule-body p {
  margin: 6px 0 0;
  font-size: 15px;
}

/* 三步自查 */
.page-disclaimer .steps {
  display: grid;
  gap: 12px;
  margin-top: 6px;
}

.page-disclaimer .step {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  box-shadow: var(--hard-shadow-sm);
}

.page-disclaimer .step > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--deep-sea);
}

.page-disclaimer .step > summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .step-num {
  flex: 0 0 auto;
  background: var(--deep-sea);
  color: var(--sand);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 3px 8px;
}

.page-disclaimer .step-arrow {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--coral);
}

.page-disclaimer .step[open] > summary {
  border-bottom: 1px solid var(--usage-line);
}

.page-disclaimer .step-body {
  padding: 12px 16px 16px;
  font-size: 15px;
}

.page-disclaimer .step-body p {
  margin: 0;
}

/* 结尾动作 */
.page-disclaimer .usage-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-disclaimer .back-top-row {
  margin: 26px 0 0;
}

.page-disclaimer .back-top {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--deep-sea);
  text-decoration: none;
  border-bottom: 1px solid var(--coral);
  padding-bottom: 2px;
}

/* 右侧提示列 */
.page-disclaimer .usage-aside {
  min-width: 0;
}

.page-disclaimer .aside-inner {
  display: grid;
  gap: 14px;
  padding-left: 18px;
  border-left: 1px solid var(--usage-line);
}

.page-disclaimer .aside-title {
  margin: 0 0 2px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--deep-sea);
}

.page-disclaimer .aside-note {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--tide-blue);
  padding: 14px 16px;
}

.page-disclaimer .aside-note h3 {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--tide-green);
}

.page-disclaimer .aside-note p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.65;
}

.page-disclaimer .aside-links {
  background: var(--deep-sea);
  color: var(--paper);
  padding: 16px 18px 18px;
}

.page-disclaimer .aside-links h3 {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sand);
}

.page-disclaimer .aside-links ul {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-disclaimer .aside-links a {
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  border-bottom: 1px solid var(--on-dark-line);
  padding-bottom: 2px;
}

.page-disclaimer .aside-links a:hover {
  color: var(--coral-light);
  border-bottom-color: var(--coral-light);
}

@media (min-width: 760px) {
  .page-disclaimer .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: 14px;
  }

  .page-disclaimer .usage-hero {
    padding-block: 40px 58px;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .usage-body {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 52px;
    padding-block: 52px 84px;
  }

  .page-disclaimer .aside-inner {
    position: sticky;
    top: 84px;
  }

  .page-disclaimer .usage-hero-inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: end;
    gap: 44px;
  }

  .page-disclaimer .hero-media img {
    max-height: 320px;
  }
}