*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Noto Sans TC,system-ui,-apple-system,sans-serif;color:#1a1a2e;background:#f8f9fc;line-height:1.6}a{color:inherit;text-decoration:none}.container{width:100%;max-width:1120px;margin:0 auto;padding:0 1.25rem}.section-title{font-size:clamp(1.5rem,4vw,2rem);font-weight:700;text-align:center;margin:0 0 .5rem}.section-subtitle{text-align:center;color:#64748b;margin:0 0 2.5rem;max-width:640px;margin-left:auto;margin-right:auto}