:root{font-family:system-ui,"Microsoft YaHei",sans-serif;color:#181d29;background:#f8faff;font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}header{height:82px;padding:0 max(28px,6vw);display:flex;justify-content:space-between;align-items:center;background:#fff;border-bottom:1px solid #edf1f7;font-size:14px}.brand{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:750}.brand span{color:white;background:#1761d3;border-radius:9px;padding:4px 9px;font-weight:500}main{max-width:1040px;margin:0 auto;padding:70px 24px 90px}.activation{max-width:560px;margin:auto;text-align:center}.eyebrow{color:#1761d3;letter-spacing:2px;font-size:12px;font-weight:700}h1{font-size:38px;margin:20px 0 16px;letter-spacing:-1px}h2{font-size:24px;margin:12px 0}p{color:#6c788e;line-height:1.8;font-size:15px}form{margin:35px 0 12px;padding:28px;text-align:left;background:#fff;border:1px solid #e3eaf6;border-radius:18px;box-shadow:0 16px 45px #1b4f9d08}label{display:block;font-size:14px;font-weight:600;margin-bottom:12px}input{width:100%;font:17px system-ui;letter-spacing:1px;border:1px solid #d7e0ef;border-radius:8px;padding:15px;color:#24334c;background:#fbfcfe}button{font:600 16px system-ui;cursor:pointer;background:#1761d3;color:white;border:0;padding:15px 20px;border-radius:8px}#submit{margin-top:16px;width:100%;display:flex;justify-content:space-between}button:disabled{opacity:.6;cursor:wait}input:focus,button:focus-visible,a:focus-visible{outline:3px solid #8bb8ff;outline-offset:3px}#message{font-size:14px;margin:12px 0 0;min-height:25px}.note{font-size:13px}.error{color:#bc303b!important}#license-panel{margin-top:55px;border-top:1px solid #e1e7f2;padding-top:35px}.license-top{display:flex;justify-content:space-between;align-items:center;gap:20px}.secondary{color:#47617f;background:#eaf0f9;font-size:14px}.courses{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:24px 0}.course{background:white;border:1px solid #e0e8f4;padding:22px;border-radius:12px}.course h3{font-size:20px;margin:0 0 12px}.course p{font-size:13px;margin:8px 0 20px}.course a{display:inline-block;color:#1761d3;font-weight:600;font-size:14px}footer{text-align:center;padding:25px;border-top:1px solid #e6edf6;color:#8490a1;font-size:12px}[hidden]{display:none!important}@media(max-width:600px){main{padding-top:44px}h1{font-size:29px}form{padding:22px}.courses{grid-template-columns:1fr}.license-top{align-items:flex-start}header{padding:0 22px}}