/* ===== 使用说明页专属样式 · 页面作用域 .page-disclaimer ===== */
.page-disclaimer {
  --pd-num-size: clamp(3.5rem, 8vw, 5rem);
  --pd-num-gold: rgba(212, 175, 55, 0.85);
  --pd-line-soft: rgba(58, 74, 90, 0.5);
  background-color: var(--deep-blue);
  color: var(--cream);
  overflow-x: hidden;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--line-h);
}

.page-disclaimer .container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* 面包屑 */
.page-disclaimer .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-label);
  letter-spacing: 0.04em;
  color: var(--gray-blue);
  margin: 0 0 2rem;
  padding-top: 1.25rem;
}

.page-disclaimer .breadcrumb a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.page-disclaimer .breadcrumb a:hover {
  color: var(--cream);
  border-bottom-color: var(--gold);
}

.page-disclaimer .breadcrumb [aria-current] {
  color: var(--gray-blue);
}

/* 页头区 */
.page-disclaimer__head {
  padding-top: 1rem;
  padding-bottom: 2.5rem;
  position: relative;
}

.page-disclaimer__head::after {
  content: "";
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 72px;
  height: 72px;
  border: 1px solid rgba(212, 175, 55, 0.18);
  transform: rotate(45deg);
  pointer-events: none;
  display: none;
}

.page-disclaimer__head-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.page-disclaimer__head-copy {
  min-width: 0;
}

.page-disclaimer__kicker {
  font-family: var(--font-body);
  font-size: var(--fs-label);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 0.75rem;
}

.page-disclaimer h1 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--fs-title);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 1.25rem;
  color: var(--cream);
  letter-spacing: -0.01em;
}

.page-disclaimer__intro {
  font-size: var(--fs-body);
  color: var(--gray-blue);
  max-width: 36em;
  margin: 0;
  padding-left: 1rem;
  border-left: 2px solid var(--line-blue);
}

/* 版本元数据 */
.page-disclaimer__head-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.page-disclaimer__meta-item {
  background: var(--card-blue);
  border: 1px solid var(--line-blue);
  padding: 0.75rem 0.875rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.page-disclaimer__meta-label {
  font-size: var(--fs-label);
  color: var(--gray-blue);
  letter-spacing: 0.08em;
}

.page-disclaimer__meta-value {
  font-size: var(--fs-small);
  color: var(--cream);
  line-height: 1.4;
}

/* 主题底纹 */
.page-disclaimer__banner-block {
  padding-bottom: 3rem;
}

.page-disclaimer__banner-wrap {
  position: relative;
  border: 1px solid var(--line-blue);
  overflow: hidden;
}

.page-disclaimer__banner {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-disclaimer__banner-label {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  background: rgba(10, 17, 40, 0.85);
  color: var(--gold);
  font-family: var(--font-body);
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  padding: 0.3rem 0.6rem;
  border: 1px solid rgba(212, 175, 55, 0.4);
}

/* 条款主体 */
.page-disclaimer__body {
  padding-bottom: 2rem;
  border-top: 1px solid var(--pd-line-soft);
}

.page-disclaimer__section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding: 2.25rem 0;
}

.page-disclaimer__section + .page-disclaimer__section {
  border-top: 1px solid var(--pd-line-soft);
}

.page-disclaimer__section:last-of-type {
  border-bottom: 1px solid rgba(212, 175, 55, 0.3);
}

.page-disclaimer__num {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: var(--pd-num-size);
  line-height: 1;
  color: var(--pd-num-gold);
}

.page-disclaimer__content h2 {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--cream);
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line-blue);
  display: inline-block;
}

.page-disclaimer__content p {
  font-size: var(--fs-body);
  color: var(--gray-blue);
  margin: 0 0 1rem;
  max-width: 62em;
}

.page-disclaimer__content p:last-child {
  margin-bottom: 0;
}

/* 警告框 */
.page-disclaimer__notice {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding: 0.875rem 1rem;
  background: rgba(230, 57, 70, 0.06);
  border-left: 3px solid var(--red);
}

.page-disclaimer__notice-icon {
  flex: 0 0 auto;
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--red);
  color: var(--cream);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.875rem;
}

.page-disclaimer__notice p {
  color: var(--cream);
  font-size: var(--fs-small);
  margin: 0;
  padding-top: 0.15rem;
}

/* 列表 */
.page-disclaimer__list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.page-disclaimer__list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: var(--fs-body);
  color: var(--gray-blue);
}

.page-disclaimer__list li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 800;
}

/* 联系信息 */
.page-disclaimer__contact {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.page-disclaimer__contact-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.875rem 1rem;
  background: var(--card-blue);
  border: 1px solid var(--line-blue);
}

.page-disclaimer__contact-label {
  font-size: var(--fs-label);
  color: var(--gold);
  letter-spacing: 0.06em;
}

.page-disclaimer__contact-value {
  font-size: var(--fs-small);
  color: var(--cream);
}

/* 相关链接 */
.page-disclaimer__related {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding: 2.5rem 0 5rem;
}

.page-disclaimer__related-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.25rem 1.25rem 1.5rem;
  background: var(--card-blue);
  border: 1px solid var(--line-blue);
  text-decoration: none;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.page-disclaimer__related-card:hover {
  border-color: var(--gold);
  background-color: rgba(212, 175, 55, 0.04);
}

.page-disclaimer__related-tag {
  align-self: flex-start;
  font-size: var(--fs-label);
  color: var(--gold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: rgba(212, 175, 55, 0.09);
  padding: 0.2rem 0.5rem;
}

.page-disclaimer__related-title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--cream);
}

.page-disclaimer__related-desc {
  font-size: var(--fs-small);
  color: var(--gray-blue);
  margin: 0;
}

.page-disclaimer__related-link {
  font-size: var(--fs-label);
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  margin-top: 0.5rem;
}

/* 桌面端增强 */
@media (min-width: 768px) {
  .page-disclaimer__head {
    padding-top: 2rem;
    padding-bottom: 3.5rem;
  }

  .page-disclaimer__head::after {
    display: block;
  }

  .page-disclaimer__head-grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 2rem;
    align-items: end;
  }

  .page-disclaimer__head-meta {
    grid-template-columns: 1fr;
  }

  .page-disclaimer__section {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 2.5rem;
    padding: 2.75rem 0;
  }

  .page-disclaimer__num {
    text-align: right;
    padding-top: 0.1rem;
  }

  .page-disclaimer__content h2 {
    font-size: 1.75rem;
  }

  .page-disclaimer__contact {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-disclaimer__related {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    padding-top: 3.5rem;
  }
}