:root{font-family:system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:#18304b;background:#f3f7fb}*{box-sizing:border-box}body{margin:0;min-height:100vh}.header{background:#15395c;color:white;padding:16px max(20px,calc((100vw - 1100px)/2));display:flex;justify-content:space-between;align-items:center;gap:12px}.brand{display:flex;align-items:center;gap:12px}.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:#41c5b2;color:#083d46;font-weight:900}.brand strong{display:block;letter-spacing:1px}.brand small{display:block;opacity:.8;font-size:12px;margin-top:2px}.status{font-size:12px;font-weight:700;color:#f9e8a4;border:1px solid #9c9161;border-radius:99px;padding:8px 12px}.container{max-width:1100px;margin:auto;padding:35px 20px}.hero{border-radius:20px;background:linear-gradient(120deg,#e5f5f8,#f4f8ff);padding:38px;display:grid;grid-template-columns:1.7fr 1fr;gap:20px;overflow:hidden}.eyebrow{font-size:12px;font-weight:800;letter-spacing:2px;color:#127c82}.hero h1{font-size:clamp(27px,4vw,43px);line-height:1.15;margin:8px 0 14px}.hero p{color:#52677c;line-height:1.65;max-width:550px}.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:23px}.chips span{background:white;border:1px solid #d3e8ed;border-radius:99px;padding:8px 12px;font-size:12px;font-weight:700}.graphic{position:relative;min-height:210px;display:flex;justify-content:center;align-items:center}.math{background:#15395c;color:white;padding:20px 23px;border-radius:16px;font-weight:800;font-size:24px;box-shadow:0 15px 30px #12355524;transform:rotate(-7deg)}.math.small{position:absolute;top:7px;right:5px;font-size:15px;background:#16a696;transform:rotate(9deg)}.math.bottom{position:absolute;bottom:5px;left:10px;font-size:15px;background:#4b6d9c;transform:rotate(7deg)}.panels{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:24px}.panel{background:white;border:1px solid #dce5ee;border-radius:18px;padding:27px;box-shadow:0 10px 30px #1938550a}.panel h2{margin:0 0 10px;font-size:21px}.panel p{color:#5a6b7d;line-height:1.55;font-size:14px}.panel-top{display:flex;justify-content:space-between;gap:8px;align-items:center}.lock{background:#fff0db;color:#936000;font-size:12px;font-weight:700;border-radius:99px;padding:6px 10px}form{display:grid;gap:10px;margin-top:23px}label{font-size:13px;font-weight:750}input{font:inherit;border:1px solid #d6e0e8;background:#f4f6f8;padding:13px 14px;border-radius:10px}button{font:inherit;margin-top:8px;border:0;border-radius:10px;background:#a2b0bf;color:white;font-weight:800;padding:14px;cursor:not-allowed}.notice{background:#fff8e9;border-left:4px solid #d5a143;padding:13px;border-radius:7px;font-size:13px;line-height:1.5;margin-top:18px}.module{display:flex;align-items:center;gap:12px;border-bottom:1px solid #e7edf3;padding:18px 0}.module-icon{width:38px;height:38px;border-radius:11px;background:#e8f4f7;color:#177d88;display:grid;place-items:center;font-weight:800}.module div{flex:1}.module strong{display:block;font-size:14px}.module small{display:block;color:#667789;margin-top:3px}.soon{font-size:11px;color:#7c8997;white-space:nowrap}.tip{background:#f1f7fb;padding:18px;border-radius:12px;margin-top:25px}.tip p{margin-bottom:0}footer{text-align:center;padding:28px 15px;color:#6b7b89;font-size:12px}@media(max-width:740px){.header{padding:14px 18px}.status{font-size:10px}.container{padding:18px 14px}.hero{grid-template-columns:1fr;padding:26px}.graphic{min-height:155px}.panels{grid-template-columns:1fr}.panel{padding:22px}.soon{font-size:10px}}

.demo-link{display:inline-block;padding:12px 18px;background:#143b67;color:#fff!important;border-radius:10px;text-decoration:none;font-weight:700}.demo-link:hover{background:#235789}