:root{--pink:#ec4899;--pink-light:#fff1f5;--text-dark:#4a001e;--border-pink:#fbcfe8}body{background-color:var(--pink-light);color:var(--text-dark);margin:0;font-family:Inter,Noto Sans TC,system-ui,sans-serif}h1,h2,h3{color:var(--pink)}button{transition:all .2s ease-in-out}button:hover{transform:scale(1.05)}