/* reset + 版面底(helmet 與根 div inline style 搬來) */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0}


.site-root {
  position:relative;
  min-height:100vh;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-serif);
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

.paper-grain {
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:60;
  opacity:var(--grain-opacity);
  mix-blend-mode:multiply;
  background-image:radial-gradient(var(--c-grain) 0.5px, transparent 0.7px);
  background-size:4px 4px;
}