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

/* hidden 属性优先于任何 display 规则（否则 display:flex 会盖掉 hidden） */
[hidden] { display: none !important; }

html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  min-height: 100vh;
  font-family: var(--font-body, system-ui, sans-serif);
  background: var(--void, #15121A);
  color: var(--mauve, #9F8999);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

button { font-family: inherit; cursor: pointer; touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
input { font-family: inherit; }
ul { list-style: none; margin: 0; padding: 0; }