:root {
  --sv-accent: #2f6f52;
  --sv-accent-rgb: 47, 111, 82;
  --sv-header: #123b3d;
  --sv-header-soft: #235c57;
  --sv-page: #f5f7f5;
  --sv-paper: #ffffff;
  --sv-paper-alt: #f6f8f6;
  --sv-ink: #202622;
  --sv-muted: #68716b;
  --sv-line: #e2e7e3;
  --sv-gold: #d8a234;
  --sv-berry: #b94c5b;
  --sv-sky: #e4f1f0;
  --sv-content-width: 1220px;
  --sv-radius: 6px;
  --sv-radius-small: 4px;
  --sv-shadow: 0 2px 12px rgba(34, 48, 38, 0.06);
  --sv-font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --sv-font-display: ui-rounded, "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --sv-header-height: 58px;
  --sv-mobile-header-height: 54px;
  --sv-bottom-nav-height: 60px;
  --sv-motion: 180ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  overflow-x: clip;
  scroll-behavior: smooth;
}

body {
  min-width: 0;
  color: var(--sv-ink);
  background: var(--sv-page);
  font-family: var(--sv-font-sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
input,
select,
textarea {
  font: inherit;
}

::selection {
  color: #fff;
  background: var(--sv-accent);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}
