*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f6f8fc;color:#142344;font-family:system-ui,-apple-system,"Noto Sans TC",sans-serif;line-height:1.8}a{color:#164ed5;text-underline-offset:4px}a:focus-visible{outline:3px solid #ffb442;outline-offset:5px}header,main,footer{max-width:1100px;margin:auto;padding:0 28px}header{display:flex;justify-content:space-between;align-items:center;gap:24px;min-height:100px}.brand{font-size:23px;font-weight:850;color:#142344;text-decoration:none;letter-spacing:-.5px}.brand span{color:#1655e9}nav{display:flex;gap:25px;flex-wrap:wrap}nav a{font-size:15px;color:#475674;text-decoration:none}nav a[aria-current=page]{color:#164ed5;font-weight:700}.hero{padding:55px 0 45px}.eyebrow{font-size:14px;letter-spacing:.18em;font-weight:750;color:#245de2}h1{font-size:clamp(36px,6vw,66px);line-height:1.25;letter-spacing:-.04em;margin:15px 0 24px}h2{font-size:27px;line-height:1.4}h3{font-size:19px;line-height:1.5}.lead{font-size:19px;color:#52617c;max-width:620px}.tool{display:grid;grid-template-columns:1.35fr 1fr;background:#fff;border:1px solid #dce3ef;border-radius:24px;overflow:hidden;box-shadow:0 12px 40px #17336909}.tool-copy{padding:40px}.tag{font-size:13px;font-weight:700;color:#2359c8;background:#ecf2ff;padding:6px 12px;border-radius:6px}.tool h2{font-size:34px;line-height:1.35;margin:22px 0 12px}.tool p{color:#596883}.button{display:inline-block;background:#1852dd;color:white;padding:13px 24px;border-radius:9px;text-decoration:none;font-weight:750;margin:16px 0 5px}.tool-side{padding:40px;background:#142e67;color:white;display:flex;flex-direction:column;justify-content:center;gap:18px}.feature{padding-bottom:16px;border-bottom:1px solid #ffffff25}.feature:last-child{border:0;padding:0}.feature strong{display:block;font-size:19px}.feature small{color:#bfcfed;font-size:15px}.section{padding:48px 0}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.card{border-top:2px solid #d6dfee;padding-top:16px}.number{color:#3867cb;font-weight:700;font-size:14px}.card p{color:#5c6981;margin-bottom:0}.plainlink{display:inline-block;margin-top:24px;font-weight:650}.article{max-width:760px;margin:20px auto 64px;background:white;border:1px solid #dce3ef;border-radius:20px;padding:38px}.article h1{font-size:38px}.article h2{font-size:23px;margin-top:34px}.article p,.article li{color:#4b5b75}.article ul,.article ol{padding-left:24px}.article .date{font-size:14px;color:#68758d}.note{background:#eef4ff;border-left:3px solid #3066dc;padding:16px 20px}.faq details{border-bottom:1px solid #dce3ef;padding:18px 0}.faq summary{font-weight:700;cursor:pointer}.faq p{color:#52617c}footer{border-top:1px solid #dce3ef;padding-top:26px;padding-bottom:30px;display:flex;justify-content:space-between;gap:20px;color:#6a7790;font-size:14px}.skip{position:absolute;left:20px;top:-80px;background:white;padding:10px;z-index:5}.skip:focus{top:10px}@media(max-width:650px){header,main,footer{padding-left:21px;padding-right:21px}header{align-items:flex-start;padding-top:23px;padding-bottom:20px;min-height:0;flex-direction:column;gap:12px}nav{gap:20px}.hero{padding:25px 0 30px}.tool{grid-template-columns:1fr}.tool-copy,.tool-side{padding:26px}.tool h2{font-size:29px}.cards{grid-template-columns:1fr;gap:20px}.section{padding:32px 0}.article{padding:25px 22px;margin-top:20px}.article h1{font-size:32px}footer{flex-direction:column;gap:6px}.lead{font-size:17px}}