/**
 * 页面骨架与响应式网格布局样式
 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--color-neutral-100);
  color: var(--text-color-primary);
  font-family: var(--font-family-sans);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: var(--leading-body);
}

h1, h2, h3, h4 {
  font-weight: var(--font-semibold);
  line-height: var(--leading-heading);
  color: var(--text-color-primary);
}

.site-header {
  background-color: var(--color-neutral-50);
  border-bottom: var(--border-card);
  padding: var(--space-6) var(--space-6);
}

.header-inner {
  max-width: var(--layout-max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.header-top-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
}

.brand-title-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.brand-title {
  font-size: var(--text-2xl);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-subtitle {
  font-size: var(--text-sm);
  color: var(--text-color-secondary);
}

.meta-pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.nav-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-top: var(--space-2);
  border-top: var(--border-card);
}

.main-container {
  max-width: var(--layout-max-width);
  margin: 0 auto;
  padding: var(--space-8) var(--space-6) var(--space-16) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.section-block, .section-mount {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.section-block[hidden] {
  display: none;
}

.section-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-4);
}

.section-title-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.section-title {
  font-size: var(--text-xl);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.section-desc {
  font-size: var(--text-sm);
  color: var(--text-color-secondary);
}

.grid-kpi {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
}

.grid-2col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

.grid-3col {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

.grid-player-selector {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-3);
}

.site-footer {
  background-color: var(--color-neutral-50);
  border-top: var(--border-card);
  padding: var(--space-6);
}

.footer-inner {
  max-width: var(--layout-max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--text-color-secondary);
}

@media (max-width: 1024px) {
  .grid-kpi,
  .grid-player-selector {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .grid-2col,
  .grid-3col {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .grid-kpi,
  .grid-player-selector {
    grid-template-columns: minmax(0, 1fr);
  }
}