:root{font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:#142b50;background:#eef5ff}*{box-sizing:border-box}body{margin:0}.wrap{max-width:1100px;margin:auto;padding:28px 16px 60px}header{background:#103e8b;color:white;padding:20px 16px}header .inner{max-width:1100px;margin:auto}header a{color:white}.badge{display:inline-block;background:#ffda4d;color:#193b6b;border-radius:30px;padding:6px 12px;font-weight:800;font-size:13px}h1{font-size:clamp(30px,5vw,46px);margin:14px 0 10px}.intro{max-width:760px;line-height:1.6}.layout{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:20px;margin-top:22px}.card{background:white;border-radius:22px;padding:22px;box-shadow:0 9px 28px #163b7714}label{display:block;font-weight:700;margin:14px 0 6px}input{width:100%;padding:12px;border:2px solid #c5d6ee;border-radius:10px;font-size:17px;color:#132f58}input:focus-visible,button:focus-visible{outline:3px solid #f3c525;outline-offset:2px}.hint{font-size:13px;color:#4b617d;margin-top:4px}button{border:0;border-radius:12px;background:#ffdb47;color:#18396e;font-weight:800;padding:13px 18px;cursor:pointer;margin-top:18px}button:hover{background:#f5c927}.results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.metric{border-radius:14px;background:#eff5ff;padding:15px}.metric strong{display:block;font-size:clamp(19px,3vw,28px);overflow-wrap:anywhere}.metric small{display:block;color:#4a617f;margin-bottom:6px}.chart{width:100%;height:auto;margin-top:20px;border-radius:12px;background:#f7faff}svg text{font:12px system-ui;fill:#345}.legend{font-size:14px;line-height:1.5}.legend span{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:5px}.explain{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}.speech{border-radius:16px;padding:16px;line-height:1.55}.uppy{background:#e5f8e9;border:1px solid #9cddb0}.downy{background:#ffeded;border:1px solid #f5b6b6}.foot{font-size:13px;color:#4d617c;line-height:1.6;margin-top:20px}.advanced{border-top:1px solid #dce6f5;margin-top:16px;padding-top:8px}details summary{font-weight:800;cursor:pointer;padding:8px 0}@media(max-width:760px){.layout{grid-template-columns:1fr}.explain{grid-template-columns:1fr}.card{padding:18px}}