/* ===== 页面专属：使用说明 (page-disclaimer) ===== */
.page-disclaimer {
  background-color: var(--clr-bg-dark);
  color: var(--clr-text-light);
  font-family: var(--font-body);
  padding: 1.5rem 1rem 3rem;
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
}

/* 面包屑导航 */
.page-disclaimer .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--clr-text-muted);
  margin-bottom: 2rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(192, 192, 192, 0.2);
}
.page-disclaimer .breadcrumb a {
  color: var(--clr-primary);
  text-decoration: none;
  transition: color var(--transition);
}
.page-disclaimer .breadcrumb a:hover {
  color: var(--clr-accent);
}
.page-disclaimer .breadcrumb .sep {
  color: var(--clr-metal);
}
.page-disclaimer .breadcrumb [aria-current] {
  color: var(--clr-text-light);
  font-weight: 600;
}

/* 标题区域 — 非对称斜切设计 */
.page-disclaimer .dl-header {
  position: relative;
  padding: 2rem 1.5rem 2.5rem;
  margin-bottom: 2.5rem;
  background: linear-gradient(135deg, var(--clr-bg-medium) 0%, transparent 80%);
  border-left: 4px solid var(--clr-primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
}
.page-disclaimer .dl-header::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 30%;
  height: 100%;
  background: linear-gradient(135deg, transparent 40%, rgba(0, 168, 142, 0.08) 100%);
  clip-path: polygon(40% 0, 100% 0, 100% 100%, 0% 100%);
  pointer-events: none;
}
.page-disclaimer .dl-icon {
  width: 100px;
  height: 100px;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(0, 168, 142, 0.4));
}
.page-disclaimer .dl-header h1 {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  line-height: 1.1;
  color: var(--clr-text-light);
  text-shadow: var(--glow);
  margin: 0;
  letter-spacing: 0.02em;
}
.page-disclaimer .dl-subtitle {
  font-size: 1rem;
  color: var(--clr-text-muted);
  max-width: 640px;
  margin: 0;
  line-height: 1.6;
}

/* 主体卡片 — 仪表盘数据面板风格 */
.page-disclaimer .dl-body {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.page-disclaimer .dl-card {
  background: rgba(17, 43, 63, 0.5);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(192, 192, 192, 0.15);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  position: relative;
}
.page-disclaimer .dl-card:hover {
  border-color: var(--clr-primary);
  box-shadow: 0 4px 20px rgba(0, 168, 142, 0.15);
}
.page-disclaimer .dl-card-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: var(--clr-text-light);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1rem 0;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--clr-primary);
}
.page-disclaimer .dl-card-title .stat-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--clr-primary);
  color: var(--clr-bg-dark);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  width: 28px;
  height: 28px;
  border-radius: 4px;
  flex-shrink: 0;
}
.page-disclaimer .dl-card-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--clr-text-muted);
  margin: 0;
}
/* 联系列表 */
.page-disclaimer .dl-contact-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.page-disclaimer .dl-contact-list li {
  font-size: 0.95rem;
  color: var(--clr-text-light);
  padding: 0.5rem 0.75rem;
  background: rgba(0, 0, 0, 0.2);
  border-left: 3px solid var(--clr-accent);
  border-radius: 0 4px 4px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}
.page-disclaimer .dl-c-label {
  color: var(--clr-accent);
  font-weight: 600;
  min-width: 4em;
}

/* 底部链接 */
.page-disclaimer .dl-footer {
  margin-top: 1rem;
  padding: 1.5rem 1rem;
  border-top: 1px solid rgba(192, 192, 192, 0.2);
  text-align: center;
}
.page-disclaimer .dl-footer p {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 0;
  font-size: 0.95rem;
  color: var(--clr-text-muted);
}
.page-disclaimer .dl-footer .btn-primary,
.page-disclaimer .dl-footer .btn-accent {
  padding: 0.4rem 1.2rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: opacity var(--transition), transform var(--transition);
  display: inline-block;
}
.page-disclaimer .dl-footer .btn-primary {
  background-color: var(--clr-primary);
  color: var(--clr-bg-dark);
}
.page-disclaimer .dl-footer .btn-accent {
  background-color: var(--clr-accent);
  color: var(--clr-bg-dark);
}
.page-disclaimer .dl-footer .btn-primary:hover,
.page-disclaimer .dl-footer .btn-accent:hover {
  opacity: 0.85;
  transform: translateY(-2px);
}

/* ===== 响应式 ===== */
@media (min-width: 768px) {
  .page-disclaimer {
    padding: 2.5rem 2rem 4rem;
  }
  .page-disclaimer .dl-header {
    flex-direction: row;
    flex-wrap: wrap;
    padding: 3rem 2.5rem;
  }
  .page-disclaimer .dl-header h1 {
    font-size: 3rem;
    flex-basis: calc(100% - 120px);
  }
  .page-disclaimer .dl-subtitle {
    font-size: 1.1rem;
    flex-basis: 100%;
  }
  .page-disclaimer .dl-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
  .page-disclaimer .dl-card:last-child {
    grid-column: 1 / -1;
  }
  .page-disclaimer .dl-card {
    padding: 2rem 2rem;
  }
  .page-disclaimer .dl-card-title {
    font-size: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .dl-body {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .page-disclaimer .dl-card:last-child {
    grid-column: auto;
  }
}