:root{font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:#182c3a;background:#f5f7f8;font-synthesis:none}
*{box-sizing:border-box}
body{margin:0;min-height:100vh}
button,input{font:inherit}
button{cursor:pointer}
[hidden]{display:none!important}
.layout{min-height:100vh;display:grid;grid-template-columns:minmax(340px,47%) minmax(420px,53%)}
.intro{display:flex;flex-direction:column;justify-content:space-between;padding:52px clamp(34px,5vw,86px);color:#fff;background:radial-gradient(circle at 78% 18%,#256e87 0,transparent 34%),linear-gradient(155deg,#071d2e 6%,#104a62 61%,#0d2c40 100%);position:relative;overflow:hidden}
.intro:after{content:"";position:absolute;width:62vw;height:62vw;max-width:780px;max-height:780px;border:1px solid #a6dce43b;border-radius:50%;left:-24%;bottom:-68%;box-shadow:0 0 0 80px #9ce0ed0b,0 0 0 160px #9ce0ed08;pointer-events:none}
.brand{display:flex;align-items:center;gap:13px;position:relative;z-index:1;font-size:13px;letter-spacing:.17em;font-weight:600}
.brand strong{font-weight:800}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;border:1px solid #94d7e9;border-radius:10px;color:#adf0ff;font-size:22px;font-weight:700;letter-spacing:-.08em}
.intro-copy,.intro-foot{position:relative;z-index:1}
.eyebrow{margin:0;color:#2e8497;font-size:11px;font-weight:800;letter-spacing:.2em}
.intro .eyebrow{color:#9adce8}
.intro h1{font-size:clamp(38px,4.25vw,68px);line-height:1.18;letter-spacing:-.045em;margin:22px 0 24px;font-weight:700}
.intro-copy>p:last-child{max-width:420px;line-height:1.9;color:#d2e6ee;font-size:15px}
.intro-foot{font-size:12px;color:#afd0dd}
.panel{display:grid;place-items:center;padding:50px 28px}
.panel-inner{width:min(100%,430px)}
.panel h2{font-size:32px;letter-spacing:-.04em;margin:14px 0 9px}
.panel-subtitle{color:#6d7d87;font-size:14px;line-height:1.7;margin:0 0 38px}
.tabs{display:flex;border-bottom:1px solid #dce4e8;gap:30px;margin-bottom:30px}
.tabs button{border:0;border-bottom:2px solid transparent;background:transparent;padding:0 4px 13px;color:#6d7d87;font-weight:700}
.tabs button[aria-selected=true]{border-color:#0c7188;color:#11495b}
.form{display:grid;gap:10px}
.form label{font-size:13px;font-weight:700;margin-top:9px}
.form label small{color:#85939a;font-weight:400;margin-left:5px}
.form input{width:100%;border:1px solid #d4dfe4;background:#fff;color:#182c3a;border-radius:8px;padding:13px 14px;min-height:48px;outline:none}
.form input:focus{border-color:#147b91;box-shadow:0 0 0 3px #14849b1a}
.submit{display:flex;align-items:center;justify-content:space-between;margin-top:19px;width:100%;background:#0c5369;color:#fff;border:0;border-radius:8px;padding:16px 18px;font-weight:700}
.submit:hover{background:#0c6b80}
.submit:disabled{opacity:.65;cursor:wait}
.submit span{font-size:20px;line-height:12px}
.status{min-height:24px;margin:18px 0 0;font-size:13px;line-height:1.6;color:#0b6f77}
.status.error{color:#b02d38}
.privacy{font-size:12px;line-height:1.7;color:#84929a;margin:20px 0 0}
.session{background:#fff;border:1px solid #d9e5e8;border-radius:13px;padding:26px;box-shadow:0 12px 32px #0c30400a}
.session-badge{display:inline-block;border-radius:99px;padding:5px 10px;background:#e2f5f0;color:#17735f;font-size:12px;font-weight:700}
.session h3{font-size:24px;margin:16px 0 20px;overflow-wrap:anywhere}
.session p{font-size:14px;color:#536873;margin:9px 0}
.session p strong{color:#203945}
.session .session-hint{margin-top:24px;color:#798c95}
.secondary{border:1px solid #b9ccd3;border-radius:7px;background:#fff;color:#174d60;font-weight:700;padding:10px 16px;margin-top:13px}
.secondary:hover{background:#edf5f7}
@media(max-width:800px){.layout{grid-template-columns:1fr}.intro{min-height:270px;padding:28px}.intro h1{font-size:34px;margin:20px 0 8px}.intro-copy>p:last-child{margin-bottom:0}.intro-foot{display:none}.panel{padding:40px 24px 65px}}